Buffer I/O error on dev loop7, logical block 10, lost async page write syz-executor.7: attempt to access beyond end of device loop7: rw=2049, sector=40, nr_sectors = 4 limit=40 Buffer I/O error on dev loop7, logical block 10, lost async page write BUG: unable to handle page fault for address: ffffed100fffc000 #PF: supervisor write access in kernel mode #PF: error_code(0x0002) - not-present page PGD 7ffd3067 P4D 7ffd3067 PUD 7ffd2067 PMD 7ffd1067 PTE 0 Oops: 0002 [#1] PREEMPT SMP KASAN NOPTI CPU: 1 PID: 5570 Comm: syz-executor.2 Not tainted 6.1.0-rc3-next-20221031 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:__memset+0x24/0x50 Code: 90 90 90 90 90 90 0f 1f 44 00 00 49 89 f9 48 89 d1 83 e2 07 48 c1 e9 03 40 0f b6 f6 48 b8 01 01 01 01 01 01 01 01 48 0f af c6 48 ab 89 d1 f3 aa 4c 89 c8 e9 4d d4 12 00 66 66 2e 0f 1f 84 00 RSP: 0018:ffff88803a1dfcc0 EFLAGS: 00010216 RAX: 0000000000000000 RBX: ffff88800c0190c0 RCX: 1ffffe21fe601bb5 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffed100fffc000 RBP: ffff88800c035c80 R08: 0000000000000005 R09: ffffed1001803218 R10: 0000000000000001 R11: 0000000000000001 R12: ffff88800c035c80 R13: ffff88800c0190c0 R14: ffffffff815f27a0 R15: 1ffff1100112341f FS: 00007f3effbfb700(0000) GS:ffff88806d100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffed100fffc000 CR3: 00000000367ac000 CR4: 0000000000350ee0 Call Trace: kasan_unpoison+0x23/0x60 mempool_exit+0x1c2/0x330 bioset_exit+0x2c9/0x630 disk_release+0x143/0x490 device_release+0xa2/0x250 kobject_put+0x173/0x280 put_device+0x1b/0x40 put_disk+0x41/0x60 loop_control_ioctl+0x4d1/0x630 __x64_sys_ioctl+0x19a/0x220 do_syscall_64+0x3b/0xa0 entry_SYSCALL_64_after_hwframe+0x72/0xdc RIP: 0033:0x7f3f02685b19 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f3effbfb188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f3f02798f60 RCX: 00007f3f02685b19 RDX: 0000000000000000 RSI: 0000000000004c81 RDI: 0000000000000006 RBP: 00007f3f026dff6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffd918ff70f R14: 00007f3effbfb300 R15: 0000000000022000 Modules linked in: CR2: ffffed100fffc000 ---[ end trace 0000000000000000 ]--- RIP: 0010:__memset+0x24/0x50 Code: 90 90 90 90 90 90 0f 1f 44 00 00 49 89 f9 48 89 d1 83 e2 07 48 c1 e9 03 40 0f b6 f6 48 b8 01 01 01 01 01 01 01 01 48 0f af c6 48 ab 89 d1 f3 aa 4c 89 c8 e9 4d d4 12 00 66 66 2e 0f 1f 84 00 RSP: 0018:ffff88803a1dfcc0 EFLAGS: 00010216 RAX: 0000000000000000 RBX: ffff88800c0190c0 RCX: 1ffffe21fe601bb5 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffed100fffc000 RBP: ffff88800c035c80 R08: 0000000000000005 R09: ffffed1001803218 R10: 0000000000000001 R11: 0000000000000001 R12: ffff88800c035c80 R13: ffff88800c0190c0 R14: ffffffff815f27a0 R15: 1ffff1100112341f FS: 00007f3effbfb700(0000) GS:ffff88806d100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffed100fffc000 CR3: 00000000367ac000 CR4: 0000000000350ee0 loop7: detected capacity change from 0 to 40 syz-executor.7: attempt to access beyond end of device loop7: rw=2049, sector=40, nr_sectors = 4 limit=40 Buffer I/O error on dev loop7, logical block 10, lost async page write BUG: unable to handle page fault for address: ffffed100fffc000 #PF: supervisor write access in kernel mode #PF: error_code(0x0002) - not-present page PGD 7ffd3067 P4D 7ffd3067 PUD 7ffd2067 PMD 7ffd1067 PTE 0 Oops: 0002 [#2] PREEMPT SMP KASAN NOPTI CPU: 1 PID: 5618 Comm: syz-executor.2 Tainted: G D 6.1.0-rc3-next-20221031 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:__memset+0x24/0x50 Code: 90 90 90 90 90 90 0f 1f 44 00 00 49 89 f9 48 89 d1 83 e2 07 48 c1 e9 03 40 0f b6 f6 48 b8 01 01 01 01 01 01 01 01 48 0f af c6 48 ab 89 d1 f3 aa 4c 89 c8 e9 4d d4 12 00 66 66 2e 0f 1f 84 00 RSP: 0018:ffff888039327cc0 EFLAGS: 00010216 RAX: 0000000000000000 RBX: ffff88800c019240 RCX: 1ffffe21fe601bbb RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffed100fffc000 RBP: ffff88800c035c80 R08: 0000000000000005 R09: ffffed1001803248 R10: 0000000000000001 R11: 0000000000000001 R12: ffff88800c035c80 R13: ffff88800c019240 R14: ffffffff815f27a0 R15: 1ffff1100112301f FS: 00007f3effbfb700(0000) GS:ffff88806d100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffed100fffc000 CR3: 00000000203b6000 CR4: 0000000000350ee0 Call Trace: kasan_unpoison+0x23/0x60 mempool_exit+0x1c2/0x330 bioset_exit+0x2c9/0x630 disk_release+0x143/0x490 device_release+0xa2/0x250 kobject_put+0x173/0x280 put_device+0x1b/0x40 put_disk+0x41/0x60 loop_control_ioctl+0x4d1/0x630 __x64_sys_ioctl+0x19a/0x220 do_syscall_64+0x3b/0xa0 entry_SYSCALL_64_after_hwframe+0x72/0xdc RIP: 0033:0x7f3f02685b19 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f3effbfb188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f3f02798f60 RCX: 00007f3f02685b19 RDX: 0000000000000001 RSI: 0000000000004c81 RDI: 0000000000000006 RBP: 00007f3f026dff6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffd918ff70f R14: 00007f3effbfb300 R15: 0000000000022000 Modules linked in: CR2: ffffed100fffc000 ---[ end trace 0000000000000000 ]--- RIP: 0010:__memset+0x24/0x50 Code: 90 90 90 90 90 90 0f 1f 44 00 00 49 89 f9 48 89 d1 83 e2 07 48 c1 e9 03 40 0f b6 f6 48 b8 01 01 01 01 01 01 01 01 48 0f af c6 48 ab 89 d1 f3 aa 4c 89 c8 e9 4d d4 12 00 66 66 2e 0f 1f 84 00 RSP: 0018:ffff88803a1dfcc0 EFLAGS: 00010216 RAX: 0000000000000000 RBX: ffff88800c0190c0 RCX: 1ffffe21fe601bb5 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffed100fffc000 RBP: ffff88800c035c80 R08: 0000000000000005 R09: ffffed1001803218 R10: 0000000000000001 R11: 0000000000000001 R12: ffff88800c035c80 R13: ffff88800c0190c0 R14: ffffffff815f27a0 R15: 1ffff1100112341f FS: 00007f3effbfb700(0000) GS:ffff88806d100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffed100fffc000 CR3: 00000000203b6000 CR4: 0000000000350ee0 BUG: unable to handle page fault for address: ffffed100fffc000 #PF: supervisor write access in kernel mode #PF: error_code(0x0002) - not-present page PGD 7ffd3067 P4D 7ffd3067 PUD 7ffd2067 PMD 7ffd1067 PTE 0 Oops: 0002 [#3] PREEMPT SMP KASAN NOPTI CPU: 0 PID: 5629 Comm: syz-executor.0 Tainted: G D 6.1.0-rc3-next-20221031 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:__memset+0x24/0x50 Code: 90 90 90 90 90 90 0f 1f 44 00 00 49 89 f9 48 89 d1 83 e2 07 48 c1 e9 03 40 0f b6 f6 48 b8 01 01 01 01 01 01 01 01 48 0f af c6 48 ab 89 d1 f3 aa 4c 89 c8 e9 4d d4 12 00 66 66 2e 0f 1f 84 00 RSP: 0018:ffff88803b287cc0 EFLAGS: 00010216 RAX: 0000000000000000 RBX: ffff88800c019540 RCX: 1ffffe21fe601bc7 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffed100fffc000 RBP: ffff88800c035c80 R08: 0000000000000005 R09: ffffed10018032a8 R10: 0000000000000001 R11: 0000000000000001 R12: ffff88800c035c80 R13: ffff88800c019540 R14: ffffffff815f27a0 R15: 1ffff1100110bc1f FS: 00007fb2ebf40700(0000) GS:ffff88806d000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffed100fffc000 CR3: 0000000020358000 CR4: 0000000000350ef0 Call Trace: kasan_unpoison+0x23/0x60 mempool_exit+0x1c2/0x330 bioset_exit+0x2c9/0x630 disk_release+0x143/0x490 device_release+0xa2/0x250 kobject_put+0x173/0x280 put_device+0x1b/0x40 put_disk+0x41/0x60 loop_control_ioctl+0x4d1/0x630 __x64_sys_ioctl+0x19a/0x220 do_syscall_64+0x3b/0xa0 entry_SYSCALL_64_after_hwframe+0x72/0xdc RIP: 0033:0x7fb2ee9cab19 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fb2ebf40188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007fb2eeaddf60 RCX: 00007fb2ee9cab19 RDX: 0000000000000003 RSI: 0000000000004c81 RDI: 0000000000000006 RBP: 00007fb2eea24f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffd4da655cf R14: 00007fb2ebf40300 R15: 0000000000022000 Modules linked in: CR2: ffffed100fffc000 ---[ end trace 0000000000000000 ]--- RIP: 0010:__memset+0x24/0x50 Code: 90 90 90 90 90 90 0f 1f 44 00 00 49 89 f9 48 89 d1 83 e2 07 48 c1 e9 03 40 0f b6 f6 48 b8 01 01 01 01 01 01 01 01 48 0f af c6 48 ab 89 d1 f3 aa 4c 89 c8 e9 4d d4 12 00 66 66 2e 0f 1f 84 00 RSP: 0018:ffff88803a1dfcc0 EFLAGS: 00010216 RAX: 0000000000000000 RBX: ffff88800c0190c0 RCX: 1ffffe21fe601bb5 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffed100fffc000 RBP: ffff88800c035c80 R08: 0000000000000005 R09: ffffed1001803218 R10: 0000000000000001 R11: 0000000000000001 R12: ffff88800c035c80 R13: ffff88800c0190c0 R14: ffffffff815f27a0 R15: 1ffff1100112341f FS: 00007fb2ebf40700(0000) GS:ffff88806d000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffed100fffc000 CR3: 0000000020358000 CR4: 0000000000350ef0 loop7: detected capacity change from 0 to 40 BUG: unable to handle page fault for address: ffffed100fffc000 #PF: supervisor write access in kernel mode #PF: error_code(0x0002) - not-present page PGD 7ffd3067 P4D 7ffd3067 PUD 7ffd2067 PMD 7ffd1067 PTE 0 Oops: 0002 [#4] PREEMPT SMP KASAN NOPTI CPU: 1 PID: 5622 Comm: syz-executor.6 Tainted: G D 6.1.0-rc3-next-20221031 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:__memset+0x24/0x50 Code: 90 90 90 90 90 90 0f 1f 44 00 00 49 89 f9 48 89 d1 83 e2 07 48 c1 e9 03 40 0f b6 f6 48 b8 01 01 01 01 01 01 01 01 48 0f af c6 48 ab 89 d1 f3 aa 4c 89 c8 e9 4d d4 12 00 66 66 2e 0f 1f 84 00 RSP: 0018:ffff888039477cc0 EFLAGS: 00010216 RAX: 0000000000000000 RBX: ffff88800c0193c0 RCX: 1ffffe21fe601bc1 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffed100fffc000 RBP: ffff88800c035c80 R08: 0000000000000005 R09: ffffed1001803278 R10: 0000000000000001 R11: 0000000000000001 R12: ffff88800c035c80 R13: ffff88800c0193c0 R14: ffffffff815f27a0 R15: 1ffff1100119941f FS: 00007f3743709700(0000) GS:ffff88806d100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffed100fffc000 CR3: 0000000037398000 CR4: 0000000000350ee0 Call Trace: kasan_unpoison+0x23/0x60 mempool_exit+0x1c2/0x330 bioset_exit+0x2c9/0x630 disk_release+0x143/0x490 device_release+0xa2/0x250 kobject_put+0x173/0x280 put_device+0x1b/0x40 put_disk+0x41/0x60 loop_control_ioctl+0x4d1/0x630 __x64_sys_ioctl+0x19a/0x220 do_syscall_64+0x3b/0xa0 entry_SYSCALL_64_after_hwframe+0x72/0xdc RIP: 0033:0x7f3746193b19 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f3743709188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f37462a6f60 RCX: 00007f3746193b19 RDX: 0000000000000002 RSI: 0000000000004c81 RDI: 0000000000000006 RBP: 00007f37461edf6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffca3fbd50f R14: 00007f3743709300 R15: 0000000000022000 Modules linked in: CR2: ffffed100fffc000 ---[ end trace 0000000000000000 ]--- RIP: 0010:__memset+0x24/0x50 Code: 90 90 90 90 90 90 0f 1f 44 00 00 49 89 f9 48 89 d1 83 e2 07 48 c1 e9 03 40 0f b6 f6 48 b8 01 01 01 01 01 01 01 01 48 0f af c6 48 ab 89 d1 f3 aa 4c 89 c8 e9 4d d4 12 00 66 66 2e 0f 1f 84 00 RSP: 0018:ffff88803a1dfcc0 EFLAGS: 00010216 RAX: 0000000000000000 RBX: ffff88800c0190c0 RCX: 1ffffe21fe601bb5 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffed100fffc000 RBP: ffff88800c035c80 R08: 0000000000000005 R09: ffffed1001803218 R10: 0000000000000001 R11: 0000000000000001 R12: ffff88800c035c80 R13: ffff88800c0190c0 R14: ffffffff815f27a0 R15: 1ffff1100112341f FS: 00007f3743709700(0000) GS:ffff88806d100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffed100fffc000 CR3: 0000000037398000 CR4: 0000000000350ee0 BUG: unable to handle page fault for address: ffffed100fffc000 #PF: supervisor write access in kernel mode #PF: error_code(0x0002) - not-present page PGD 7ffd3067 P4D 7ffd3067 PUD 7ffd2067 PMD 7ffd1067 PTE 0 Oops: 0002 [#5] PREEMPT SMP KASAN NOPTI CPU: 1 PID: 5632 Comm: syz-executor.3 Tainted: G D 6.1.0-rc3-next-20221031 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:__memset+0x24/0x50 Code: 90 90 90 90 90 90 0f 1f 44 00 00 49 89 f9 48 89 d1 83 e2 07 48 c1 e9 03 40 0f b6 f6 48 b8 01 01 01 01 01 01 01 01 48 0f af c6 48 ab 89 d1 f3 aa 4c 89 c8 e9 4d d4 12 00 66 66 2e 0f 1f 84 00 RSP: 0018:ffff88803715fcc0 EFLAGS: 00010216 RAX: 0000000000000000 RBX: ffff88800c0196c0 RCX: 1ffffe21fe601bcd RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffed100fffc000 RBP: ffff88800c035c80 R08: 0000000000000005 R09: ffffed10018032d8 R10: 0000000000000001 R11: 0000000000000001 R12: ffff88800c035c80 R13: ffff88800c0196c0 R14: ffffffff815f27a0 R15: 1ffff11001112c1f FS: 00007f3744e1e700(0000) GS:ffff88806d100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffed100fffc000 CR3: 0000000020498000 CR4: 0000000000350ee0 Call Trace: kasan_unpoison+0x23/0x60 mempool_exit+0x1c2/0x330 bioset_exit+0x2c9/0x630 disk_release+0x143/0x490 device_release+0xa2/0x250 kobject_put+0x173/0x280 put_device+0x1b/0x40 put_disk+0x41/0x60 loop_control_ioctl+0x4d1/0x630 __x64_sys_ioctl+0x19a/0x220 do_syscall_64+0x3b/0xa0 entry_SYSCALL_64_after_hwframe+0x72/0xdc RIP: 0033:0x7f37478c9b19 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f3744e1e188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f37479dd020 RCX: 00007f37478c9b19 RDX: 0000000000000004 RSI: 0000000000004c81 RDI: 0000000000000006 RBP: 00007f3747923f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fff77369cbf R14: 00007f3744e1e300 R15: 0000000000022000 Modules linked in: CR2: ffffed100fffc000 ---[ end trace 0000000000000000 ]--- RIP: 0010:__memset+0x24/0x50 Code: 90 90 90 90 90 90 0f 1f 44 00 00 49 89 f9 48 89 d1 83 e2 07 48 c1 e9 03 40 0f b6 f6 48 b8 01 01 01 01 01 01 01 01 48 0f af c6 48 ab 89 d1 f3 aa 4c 89 c8 e9 4d d4 12 00 66 66 2e 0f 1f 84 00 RSP: 0018:ffff88803a1dfcc0 EFLAGS: 00010216 RAX: 0000000000000000 RBX: ffff88800c0190c0 RCX: 1ffffe21fe601bb5 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffed100fffc000 RBP: ffff88800c035c80 R08: 0000000000000005 R09: ffffed1001803218 R10: 0000000000000001 R11: 0000000000000001 R12: ffff88800c035c80 R13: ffff88800c0190c0 R14: ffffffff815f27a0 R15: 1ffff1100112341f FS: 00007f3744e1e700(0000) GS:ffff88806d100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffed100fffc000 CR3: 0000000020498000 CR4: 0000000000350ee0 BUG: unable to handle page fault for address: ffffed100fffc000 #PF: supervisor write access in kernel mode #PF: error_code(0x0002) - not-present page PGD 7ffd3067 P4D 7ffd3067 PUD 7ffd2067 PMD 7ffd1067 PTE 0 Oops: 0002 [#6] PREEMPT SMP KASAN NOPTI CPU: 0 PID: 5645 Comm: syz-executor.1 Tainted: G D 6.1.0-rc3-next-20221031 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:__memset+0x24/0x50 Code: 90 90 90 90 90 90 0f 1f 44 00 00 49 89 f9 48 89 d1 83 e2 07 48 c1 e9 03 40 0f b6 f6 48 b8 01 01 01 01 01 01 01 01 48 0f af c6 48 ab 89 d1 f3 aa 4c 89 c8 e9 4d d4 12 00 66 66 2e 0f 1f 84 00 RSP: 0018:ffff888038d57cc0 EFLAGS: 00010216 RAX: 0000000000000000 RBX: ffff88800c019840 RCX: 1ffffe21fe601bd3 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffed100fffc000 RBP: ffff88800c035c80 R08: 0000000000000005 R09: ffffed1001803308 R10: 0000000000000001 R11: 0000000000000001 R12: ffff88800c035c80 R13: ffff88800c019840 R14: ffffffff815f27a0 R15: 1ffff1100111241f FS: 00007fa3c59f1700(0000) GS:ffff88806d000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffed100fffc000 CR3: 00000000151c2000 CR4: 0000000000350ef0 Call Trace: kasan_unpoison+0x23/0x60 mempool_exit+0x1c2/0x330 bioset_exit+0x2c9/0x630 disk_release+0x143/0x490 device_release+0xa2/0x250 kobject_put+0x173/0x280 put_device+0x1b/0x40 put_disk+0x41/0x60 loop_control_ioctl+0x4d1/0x630 __x64_sys_ioctl+0x19a/0x220 do_syscall_64+0x3b/0xa0 entry_SYSCALL_64_after_hwframe+0x72/0xdc RIP: 0033:0x7fa3c849cb19 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fa3c59f1188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007fa3c85b0020 RCX: 00007fa3c849cb19 RDX: 0000000000000005 RSI: 0000000000004c81 RDI: 0000000000000006 RBP: 00007fa3c84f6f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffdd7beb5ff R14: 00007fa3c59f1300 R15: 0000000000022000 Modules linked in: CR2: ffffed100fffc000 ---[ end trace 0000000000000000 ]--- RIP: 0010:__memset+0x24/0x50 Code: 90 90 90 90 90 90 0f 1f 44 00 00 49 89 f9 48 89 d1 83 e2 07 48 c1 e9 03 40 0f b6 f6 48 b8 01 01 01 01 01 01 01 01 48 0f af c6 48 ab 89 d1 f3 aa 4c 89 c8 e9 4d d4 12 00 66 66 2e 0f 1f 84 00 RSP: 0018:ffff88803a1dfcc0 EFLAGS: 00010216 RAX: 0000000000000000 RBX: ffff88800c0190c0 RCX: 1ffffe21fe601bb5 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffed100fffc000 RBP: ffff88800c035c80 R08: 0000000000000005 R09: ffffed1001803218 R10: 0000000000000001 R11: 0000000000000001 R12: ffff88800c035c80 R13: ffff88800c0190c0 R14: ffffffff815f27a0 R15: 1ffff1100112341f FS: 00007fa3c59f1700(0000) GS:ffff88806d000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffed100fffc000 CR3: 00000000151c2000 CR4: 0000000000350ef0 loop7: detected capacity change from 0 to 40 syz-executor.7: attempt to access beyond end of device loop7: rw=2049, sector=40, nr_sectors = 4 limit=40 Buffer I/O error on dev loop7, logical block 10, lost async page write BUG: unable to handle page fault for address: ffffed100fffc000 #PF: supervisor write access in kernel mode #PF: error_code(0x0002) - not-present page PGD 7ffd3067 P4D 7ffd3067 PUD 7ffd2067 PMD 7ffd1067 PTE 0 Oops: 0002 [#7] PREEMPT SMP KASAN NOPTI CPU: 1 PID: 5661 Comm: syz-executor.4 Tainted: G D 6.1.0-rc3-next-20221031 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:__memset+0x24/0x50 Code: 90 90 90 90 90 90 0f 1f 44 00 00 49 89 f9 48 89 d1 83 e2 07 48 c1 e9 03 40 0f b6 f6 48 b8 01 01 01 01 01 01 01 01 48 0f af c6 48 ab 89 d1 f3 aa 4c 89 c8 e9 4d d4 12 00 66 66 2e 0f 1f 84 00 RSP: 0018:ffff88803a0f7cc0 EFLAGS: 00010216 RAX: 0000000000000000 RBX: ffff88800c0199c0 RCX: 1ffffe21fe601bd9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffed100fffc000 RBP: ffff88800c035c80 R08: 0000000000000005 R09: ffffed1001803338 R10: 0000000000000001 R11: 0000000000000001 R12: ffff88800c035c80 R13: ffff88800c0199c0 R14: ffffffff815f27a0 R15: 1ffff110011fce1f FS: 00007fc33f332700(0000) GS:ffff88806d100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffed100fffc000 CR3: 000000001310a000 CR4: 0000000000350ee0 Call Trace: kasan_unpoison+0x23/0x60 mempool_exit+0x1c2/0x330 bioset_exit+0x2c9/0x630 disk_release+0x143/0x490 device_release+0xa2/0x250 kobject_put+0x173/0x280 put_device+0x1b/0x40 put_disk+0x41/0x60 loop_control_ioctl+0x4d1/0x630 __x64_sys_ioctl+0x19a/0x220 do_syscall_64+0x3b/0xa0 entry_SYSCALL_64_after_hwframe+0x72/0xdc RIP: 0033:0x7fc341dbcb19 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fc33f332188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007fc341ecff60 RCX: 00007fc341dbcb19 RDX: 0000000000000006 RSI: 0000000000004c81 RDI: 0000000000000006 RBP: 00007fc341e16f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffdadf59f8f R14: 00007fc33f332300 R15: 0000000000022000 Modules linked in: CR2: ffffed100fffc000 ---[ end trace 0000000000000000 ]--- RIP: 0010:__memset+0x24/0x50 Code: 90 90 90 90 90 90 0f 1f 44 00 00 49 89 f9 48 89 d1 83 e2 07 48 c1 e9 03 40 0f b6 f6 48 b8 01 01 01 01 01 01 01 01 48 0f af c6 48 ab 89 d1 f3 aa 4c 89 c8 e9 4d d4 12 00 66 66 2e 0f 1f 84 00 RSP: 0018:ffff88803a1dfcc0 EFLAGS: 00010216 RAX: 0000000000000000 RBX: ffff88800c0190c0 RCX: 1ffffe21fe601bb5 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffed100fffc000 RBP: ffff88800c035c80 R08: 0000000000000005 R09: ffffed1001803218 R10: 0000000000000001 R11: 0000000000000001 R12: ffff88800c035c80 R13: ffff88800c0190c0 R14: ffffffff815f27a0 R15: 1ffff1100112341f FS: 00007fc33f332700(0000) GS:ffff88806d100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffed100fffc000 CR3: 000000001310a000 CR4: 0000000000350ee0 BUG: unable to handle page fault for address: ffffed100fffc000 #PF: supervisor write access in kernel mode #PF: error_code(0x0002) - not-present page PGD 7ffd3067 P4D 7ffd3067 PUD 7ffd2067 PMD 7ffd1067 PTE 0 Oops: 0002 [#8] PREEMPT SMP KASAN NOPTI CPU: 0 PID: 5695 Comm: syz-executor.2 Tainted: G D 6.1.0-rc3-next-20221031 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:__memset+0x24/0x50 Code: 90 90 90 90 90 90 0f 1f 44 00 00 49 89 f9 48 89 d1 83 e2 07 48 c1 e9 03 40 0f b6 f6 48 b8 01 01 01 01 01 01 01 01 48 0f af c6 48 ab 89 d1 f3 aa 4c 89 c8 e9 4d d4 12 00 66 66 2e 0f 1f 84 00 RSP: 0018:ffff888038417cc0 EFLAGS: 00010216 RAX: 0000000000000000 RBX: ffff88800c019f00 RCX: 1ffffe21fe601bee RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffed100fffc000 RBP: ffff88800c035c80 R08: 0000000000000005 R09: ffffed10018033e0 R10: 0000000000000001 R11: 0000000000000001 R12: ffff88800c035c80 R13: ffff88800c019f00 R14: ffffffff815f27a0 R15: 1ffff1100701cc1f FS: 00007f3effbfb700(0000) GS:ffff88806d000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffed100fffc000 CR3: 000000000cfb0000 CR4: 0000000000350ef0 Call Trace: kasan_unpoison+0x23/0x60 mempool_exit+0x1c2/0x330 bioset_exit+0x2c9/0x630 disk_release+0x143/0x490 device_release+0xa2/0x250 kobject_put+0x173/0x280 put_device+0x1b/0x40 put_disk+0x41/0x60 loop_control_ioctl+0x4d1/0x630 __x64_sys_ioctl+0x19a/0x220 do_syscall_64+0x3b/0xa0 entry_SYSCALL_64_after_hwframe+0x72/0xdc RIP: 0033:0x7f3f02685b19 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f3effbfb188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f3f02798f60 RCX: 00007f3f02685b19 RDX: 0000000000000003 RSI: 0000000000004c81 RDI: 0000000000000006 RBP: 00007f3f026dff6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffd918ff70f R14: 00007f3effbfb300 R15: 0000000000022000 Modules linked in: CR2: ffffed100fffc000 ---[ end trace 0000000000000000 ]--- RIP: 0010:__memset+0x24/0x50 Code: 90 90 90 90 90 90 0f 1f 44 00 00 49 89 f9 48 89 d1 83 e2 07 48 c1 e9 03 40 0f b6 f6 48 b8 01 01 01 01 01 01 01 01 48 0f af c6 48 ab 89 d1 f3 aa 4c 89 c8 e9 4d d4 12 00 66 66 2e 0f 1f 84 00 RSP: 0018:ffff88803a1dfcc0 EFLAGS: 00010216 RAX: 0000000000000000 RBX: ffff88800c0190c0 RCX: 1ffffe21fe601bb5 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffed100fffc000 RBP: ffff88800c035c80 R08: 0000000000000005 R09: ffffed1001803218 R10: 0000000000000001 R11: 0000000000000001 R12: ffff88800c035c80 R13: ffff88800c0190c0 R14: ffffffff815f27a0 R15: 1ffff1100112341f FS: 00007f3effbfb700(0000) GS:ffff88806d000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffed100fffc000 CR3: 000000000cfb0000 CR4: 0000000000350ef0 BUG: unable to handle page fault for address: ffffed100fffc000 #PF: supervisor write access in kernel mode #PF: error_code(0x0002) - not-present page PGD 7ffd3067 P4D 7ffd3067 PUD 7ffd2067 PMD 7ffd1067 PTE 0 Oops: 0002 [#9] PREEMPT SMP KASAN NOPTI CPU: 0 PID: 5696 Comm: syz-executor.5 Tainted: G D 6.1.0-rc3-next-20221031 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:__memset+0x24/0x50 Code: 90 90 90 90 90 90 0f 1f 44 00 00 49 89 f9 48 89 d1 83 e2 07 48 c1 e9 03 40 0f b6 f6 48 b8 01 01 01 01 01 01 01 01 48 0f af c6 48 ab 89 d1 f3 aa 4c 89 c8 e9 4d d4 12 00 66 66 2e 0f 1f 84 00 RSP: 0018:ffff88803863fcc0 EFLAGS: 00010216 RAX: 0000000000000000 RBX: ffff88800c019d80 RCX: 1ffffe21fe601be8 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffed100fffc000 RBP: ffff88800c035c80 R08: 0000000000000005 R09: ffffed10018033b0 R10: 0000000000000001 R11: 0000000000000001 R12: ffff88800c035c80 R13: ffff88800c019d80 R14: ffffffff815f27a0 R15: 1ffff1100701ca1f FS: 00007f92b7870700(0000) GS:ffff88806d000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffed100fffc000 CR3: 000000000e930000 CR4: 0000000000350ef0 Call Trace: kasan_unpoison+0x23/0x60 mempool_exit+0x1c2/0x330 bioset_exit+0x2c9/0x630 disk_release+0x143/0x490 device_release+0xa2/0x250 kobject_put+0x173/0x280 put_device+0x1b/0x40 put_disk+0x41/0x60 loop_control_ioctl+0x4d1/0x630 __x64_sys_ioctl+0x19a/0x220 do_syscall_64+0x3b/0xa0 entry_SYSCALL_64_after_hwframe+0x72/0xdc RIP: 0033:0x7f92ba2fab19 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f92b7870188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f92ba40df60 RCX: 00007f92ba2fab19 RDX: 0000000000000004 RSI: 0000000000004c81 RDI: 0000000000000006 RBP: 00007f92ba354f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fff4d3d320f R14: 00007f92b7870300 R15: 0000000000022000 Modules linked in: CR2: ffffed100fffc000 ---[ end trace 0000000000000000 ]--- RIP: 0010:__memset+0x24/0x50 Code: 90 90 90 90 90 90 0f 1f 44 00 00 49 89 f9 48 89 d1 83 e2 07 48 c1 e9 03 40 0f b6 f6 48 b8 01 01 01 01 01 01 01 01 48 0f af c6 48 ab 89 d1 f3 aa 4c 89 c8 e9 4d d4 12 00 66 66 2e 0f 1f 84 00 RSP: 0018:ffff88803a1dfcc0 EFLAGS: 00010216 BUG: unable to handle page fault for address: ffffed100fffc000 RAX: 0000000000000000 RBX: ffff88800c0190c0 RCX: 1ffffe21fe601bb5 #PF: supervisor write access in kernel mode RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffed100fffc000 #PF: error_code(0x0002) - not-present page RBP: ffff88800c035c80 R08: 0000000000000005 R09: ffffed1001803218 PGD 7ffd3067 R10: 0000000000000001 R11: 0000000000000001 R12: ffff88800c035c80 P4D 7ffd3067 R13: ffff88800c0190c0 R14: ffffffff815f27a0 R15: 1ffff1100112341f FS: 00007f92b7870700(0000) GS:ffff88806d000000(0000) knlGS:0000000000000000 PUD 7ffd2067 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 PMD 7ffd1067 CR2: ffffed100fffc000 CR3: 000000000e930000 CR4: 0000000000350ef0 PTE 0 Oops: 0002 [#10] PREEMPT SMP KASAN NOPTI CPU: 1 PID: 5688 Comm: syz-executor.7 Tainted: G D 6.1.0-rc3-next-20221031 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:__memset+0x24/0x50 Code: 90 90 90 90 90 90 0f 1f 44 00 00 49 89 f9 48 89 d1 83 e2 07 48 c1 e9 03 40 0f b6 f6 48 b8 01 01 01 01 01 01 01 01 48 0f af c6 48 ab 89 d1 f3 aa 4c 89 c8 e9 4d d4 12 00 66 66 2e 0f 1f 84 00 RSP: 0018:ffff88803b3bfcc0 EFLAGS: 00010216 RAX: 0000000000000000 RBX: ffff88800a4a26c0 RCX: 1ffffe21fe593e0d RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffed100fffc000 RBP: ffff88800c035c80 R08: 0000000000000005 R09: ffffed10014944d8 R10: 0000000000000001 R11: 0000000000000001 R12: ffff88800c035c80 R13: ffff88800a4a26c0 R14: ffffffff815f27a0 R15: 1ffff110011f8c1f FS: 00007f3dcf079700(0000) GS:ffff88806d100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffed100fffc000 CR3: 0000000013cd8000 CR4: 0000000000350ee0 Call Trace: kasan_unpoison+0x23/0x60 mempool_exit+0x1c2/0x330 bioset_exit+0x2c9/0x630 disk_release+0x143/0x490 device_release+0xa2/0x250 kobject_put+0x173/0x280 put_device+0x1b/0x40 put_disk+0x41/0x60 loop_control_ioctl+0x4d1/0x630 __x64_sys_ioctl+0x19a/0x220 do_syscall_64+0x3b/0xa0 entry_SYSCALL_64_after_hwframe+0x72/0xdc RIP: 0033:0x7f3dd1b03b19 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f3dcf079188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f3dd1c16f60 RCX: 00007f3dd1b03b19 RDX: 0000000000000001 RSI: 0000000000004c81 RDI: 0000000000000006 RBP: 00007f3dd1b5df6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffe4089e6bf R14: 00007f3dcf079300 R15: 0000000000022000 Modules linked in: CR2: ffffed100fffc000 ---[ end trace 0000000000000000 ]--- RIP: 0010:__memset+0x24/0x50 Code: 90 90 90 90 90 90 0f 1f 44 00 00 49 89 f9 48 89 d1 83 e2 07 48 c1 e9 03 40 0f b6 f6 48 b8 01 01 01 01 01 01 01 01 48 0f af c6 48 ab 89 d1 f3 aa 4c 89 c8 e9 4d d4 12 00 66 66 2e 0f 1f 84 00 RSP: 0018:ffff88803a1dfcc0 EFLAGS: 00010216 RAX: 0000000000000000 RBX: ffff88800c0190c0 RCX: 1ffffe21fe601bb5 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffed100fffc000 RBP: ffff88800c035c80 R08: 0000000000000005 R09: ffffed1001803218 R10: 0000000000000001 R11: 0000000000000001 R12: ffff88800c035c80 R13: ffff88800c0190c0 R14: ffffffff815f27a0 R15: 1ffff1100112341f FS: 00007f3dcf079700(0000) GS:ffff88806d100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffed100fffc000 CR3: 0000000013cd8000 CR4: 0000000000350ee0 BUG: unable to handle page fault for address: ffffed100fffc000 #PF: supervisor write access in kernel mode #PF: error_code(0x0002) - not-present page PGD 7ffd3067 P4D 7ffd3067 PUD 7ffd2067 PMD 7ffd1067 PTE 0 Oops: 0002 [#11] PREEMPT SMP KASAN NOPTI CPU: 1 PID: 5686 Comm: syz-executor.6 Tainted: G D 6.1.0-rc3-next-20221031 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:__memset+0x24/0x50 Code: 90 90 90 90 90 90 0f 1f 44 00 00 49 89 f9 48 89 d1 83 e2 07 48 c1 e9 03 40 0f b6 f6 48 b8 01 01 01 01 01 01 01 01 48 0f af c6 48 ab 89 d1 f3 aa 4c 89 c8 e9 4d d4 12 00 66 66 2e 0f 1f 84 00 RSP: 0018:ffff8880394bfcc0 EFLAGS: 00010216 RAX: 0000000000000000 RBX: ffff88800a4a2540 RCX: 1ffffe21fe593e07 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffed100fffc000 RBP: ffff88800c035c80 R08: 0000000000000005 R09: ffffed10014944a8 R10: 0000000000000001 R11: 0000000000000001 R12: ffff88800c035c80 R13: ffff88800a4a2540 R14: ffffffff815f27a0 R15: 1ffff110054dae1f FS: 00007f3743709700(0000) GS:ffff88806d100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffed100fffc000 CR3: 0000000013650000 CR4: 0000000000350ee0 Call Trace: kasan_unpoison+0x23/0x60 mempool_exit+0x1c2/0x330 bioset_exit+0x2c9/0x630 disk_release+0x143/0x490 device_release+0xa2/0x250 kobject_put+0x173/0x280 put_device+0x1b/0x40 put_disk+0x41/0x60 loop_control_ioctl+0x4d1/0x630 __x64_sys_ioctl+0x19a/0x220 do_syscall_64+0x3b/0xa0 entry_SYSCALL_64_after_hwframe+0x72/0xdc RIP: 0033:0x7f3746193b19 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f3743709188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f37462a6f60 RCX: 00007f3746193b19 RDX: 0000000000000000 RSI: 0000000000004c81 RDI: 0000000000000006 RBP: 00007f37461edf6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffca3fbd50f R14: 00007f3743709300 R15: 0000000000022000 Modules linked in: CR2: ffffed100fffc000 ---[ end trace 0000000000000000 ]--- RIP: 0010:__memset+0x24/0x50 Code: 90 90 90 90 90 90 0f 1f 44 00 00 49 89 f9 48 89 d1 83 e2 07 48 c1 e9 03 40 0f b6 f6 48 b8 01 01 01 01 01 01 01 01 48 0f af c6 48 ab 89 d1 f3 aa 4c 89 c8 e9 4d d4 12 00 66 66 2e 0f 1f 84 00 RSP: 0018:ffff88803a1dfcc0 EFLAGS: 00010216 RAX: 0000000000000000 RBX: ffff88800c0190c0 RCX: 1ffffe21fe601bb5 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffed100fffc000 RBP: ffff88800c035c80 R08: 0000000000000005 R09: ffffed1001803218 R10: 0000000000000001 R11: 0000000000000001 R12: ffff88800c035c80 R13: ffff88800c0190c0 R14: ffffffff815f27a0 R15: 1ffff1100112341f FS: 00007f3743709700(0000) GS:ffff88806d100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffed100fffc000 CR3: 0000000013650000 CR4: 0000000000350ee0 BUG: unable to handle page fault for address: ffffed100fffc000 #PF: supervisor write access in kernel mode #PF: error_code(0x0002) - not-present page PGD 7ffd3067 P4D 7ffd3067 PUD 7ffd2067 PMD 7ffd1067 PTE 0 Oops: 0002 [#12] PREEMPT SMP KASAN NOPTI CPU: 1 PID: 5699 Comm: syz-executor.1 Tainted: G D 6.1.0-rc3-next-20221031 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:__memset+0x24/0x50 Code: 90 90 90 90 90 90 0f 1f 44 00 00 49 89 f9 48 89 d1 83 e2 07 48 c1 e9 03 40 0f b6 f6 48 b8 01 01 01 01 01 01 01 01 48 0f af c6 48 ab 89 d1 f3 aa 4c 89 c8 e9 4d d4 12 00 66 66 2e 0f 1f 84 00 RSP: 0018:ffff88803ad47cc0 EFLAGS: 00010216 RAX: 0000000000000000 RBX: ffff88800a4a2840 RCX: 1ffffe21fe593e13 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffed100fffc000 RBP: ffff88800c035c80 R08: 0000000000000005 R09: ffffed1001494508 R10: 0000000000000001 R11: 0000000000000001 R12: ffff88800c035c80 R13: ffff88800a4a2840 R14: ffffffff815f27a0 R15: 1ffff1100119901f FS: 00007fa3c5a12700(0000) GS:ffff88806d100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffed100fffc000 CR3: 0000000016a98000 CR4: 0000000000350ee0 Call Trace: kasan_unpoison+0x23/0x60 mempool_exit+0x1c2/0x330 bioset_exit+0x2c9/0x630 disk_release+0x143/0x490 device_release+0xa2/0x250 kobject_put+0x173/0x280 put_device+0x1b/0x40 put_disk+0x41/0x60 loop_control_ioctl+0x4d1/0x630 __x64_sys_ioctl+0x19a/0x220 do_syscall_64+0x3b/0xa0 entry_SYSCALL_64_after_hwframe+0x72/0xdc RIP: 0033:0x7fa3c849cb19 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fa3c5a12188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007fa3c85aff60 RCX: 00007fa3c849cb19 RDX: 0000000000000005 RSI: 0000000000004c81 RDI: 0000000000000006 RBP: 00007fa3c84f6f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffdd7beb5ff R14: 00007fa3c5a12300 R15: 0000000000022000 Modules linked in: CR2: ffffed100fffc000 ---[ end trace 0000000000000000 ]--- RIP: 0010:__memset+0x24/0x50 Code: 90 90 90 90 90 90 0f 1f 44 00 00 49 89 f9 48 89 d1 83 e2 07 48 c1 e9 03 40 0f b6 f6 48 b8 01 01 01 01 01 01 01 01 48 0f af c6 48 ab 89 d1 f3 aa 4c 89 c8 e9 4d d4 12 00 66 66 2e 0f 1f 84 00 RSP: 0018:ffff88803a1dfcc0 EFLAGS: 00010216 RAX: 0000000000000000 RBX: ffff88800c0190c0 RCX: 1ffffe21fe601bb5 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffed100fffc000 RBP: ffff88800c035c80 R08: 0000000000000005 R09: ffffed1001803218 R10: 0000000000000001 R11: 0000000000000001 R12: ffff88800c035c80 R13: ffff88800c0190c0 R14: ffffffff815f27a0 R15: 1ffff1100112341f FS: 00007fa3c5a12700(0000) GS:ffff88806d100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffed100fffc000 CR3: 0000000016a98000 CR4: 0000000000350ee0 BUG: unable to handle page fault for address: ffffed100fffc000 #PF: supervisor write access in kernel mode #PF: error_code(0x0002) - not-present page PGD 7ffd3067 P4D 7ffd3067 PUD 7ffd2067 PMD 7ffd1067 PTE 0 Oops: 0002 [#13] PREEMPT SMP KASAN NOPTI CPU: 0 PID: 5694 Comm: syz-executor.3 Tainted: G D 6.1.0-rc3-next-20221031 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:__memset+0x24/0x50 Code: 90 90 90 90 90 90 0f 1f 44 00 00 49 89 f9 48 89 d1 83 e2 07 48 c1 e9 03 40 0f b6 f6 48 b8 01 01 01 01 01 01 01 01 48 0f af c6 48 ab 89 d1 f3 aa 4c 89 c8 e9 4d d4 12 00 66 66 2e 0f 1f 84 00 RSP: 0018:ffff8880381ffcc0 EFLAGS: 00010216 RAX: 0000000000000000 RBX: ffff88800a4a23c0 RCX: 1ffffe21fe593e01 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffed100fffc000 RBP: ffff88800c035c80 R08: 0000000000000005 R09: ffffed1001494478 R10: 0000000000000001 R11: 0000000000000001 R12: ffff88800c035c80 R13: ffff88800a4a23c0 R14: ffffffff815f27a0 R15: 1ffff110054da01f FS: 00007f3744e3f700(0000) GS:ffff88806d000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffed100fffc000 CR3: 000000000ecc2000 CR4: 0000000000350ef0 Call Trace: kasan_unpoison+0x23/0x60 mempool_exit+0x1c2/0x330 bioset_exit+0x2c9/0x630 disk_release+0x143/0x490 device_release+0xa2/0x250 kobject_put+0x173/0x280 put_device+0x1b/0x40 put_disk+0x41/0x60 loop_control_ioctl+0x4d1/0x630 __x64_sys_ioctl+0x19a/0x220 do_syscall_64+0x3b/0xa0 entry_SYSCALL_64_after_hwframe+0x72/0xdc RIP: 0033:0x7f37478c9b19 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f3744e3f188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f37479dcf60 RCX: 00007f37478c9b19 RDX: 0000000000000002 RSI: 0000000000004c81 RDI: 0000000000000006 RBP: 00007f3747923f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fff77369cbf R14: 00007f3744e3f300 R15: 0000000000022000 Modules linked in: CR2: ffffed100fffc000 ---[ end trace 0000000000000000 ]--- RIP: 0010:__memset+0x24/0x50 Code: 90 90 90 90 90 90 0f 1f 44 00 00 49 89 f9 48 89 d1 83 e2 07 48 c1 e9 03 40 0f b6 f6 48 b8 01 01 01 01 01 01 01 01 48 0f af c6 48 ab 89 d1 f3 aa 4c 89 c8 e9 4d d4 12 00 66 66 2e 0f 1f 84 00 RSP: 0018:ffff88803a1dfcc0 EFLAGS: 00010216 RAX: 0000000000000000 RBX: ffff88800c0190c0 RCX: 1ffffe21fe601bb5 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffed100fffc000 RBP: ffff88800c035c80 R08: 0000000000000005 R09: ffffed1001803218 R10: 0000000000000001 R11: 0000000000000001 R12: ffff88800c035c80 R13: ffff88800c0190c0 R14: ffffffff815f27a0 R15: 1ffff1100112341f FS: 00007f3744e3f700(0000) GS:ffff88806d000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffed100fffc000 CR3: 000000000ecc2000 CR4: 0000000000350ef0 BUG: unable to handle page fault for address: ffffed100fffc000 #PF: supervisor write access in kernel mode #PF: error_code(0x0002) - not-present page PGD 7ffd3067 P4D 7ffd3067 PUD 7ffd2067 PMD 7ffd1067 PTE 0 Oops: 0002 [#14] PREEMPT SMP KASAN NOPTI CPU: 1 PID: 5712 Comm: syz-executor.0 Tainted: G D 6.1.0-rc3-next-20221031 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:__memset+0x24/0x50 Code: 90 90 90 90 90 90 0f 1f 44 00 00 49 89 f9 48 89 d1 83 e2 07 48 c1 e9 03 40 0f b6 f6 48 b8 01 01 01 01 01 01 01 01 48 0f af c6 48 ab 89 d1 f3 aa 4c 89 c8 e9 4d d4 12 00 66 66 2e 0f 1f 84 00 RSP: 0018:ffff88800994fcc0 EFLAGS: 00010216 RAX: 0000000000000000 RBX: ffff88800c019b40 RCX: 1ffffe21fe601bdf RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffed100fffc000 RBP: ffff88800c035c80 R08: 0000000000000005 R09: ffffed1001803368 R10: 0000000000000001 R11: 0000000000000001 R12: ffff88800c035c80 R13: ffff88800c019b40 R14: ffffffff815f27a0 R15: 1ffff110011fca1f FS: 00007fb2ebf1f700(0000) GS:ffff88806d100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffed100fffc000 CR3: 000000000e878000 CR4: 0000000000350ee0 Call Trace: kasan_unpoison+0x23/0x60 mempool_exit+0x1c2/0x330 bioset_exit+0x2c9/0x630 disk_release+0x143/0x490 device_release+0xa2/0x250 kobject_put+0x173/0x280 put_device+0x1b/0x40 put_disk+0x41/0x60 loop_control_ioctl+0x4d1/0x630 __x64_sys_ioctl+0x19a/0x220 do_syscall_64+0x3b/0xa0 entry_SYSCALL_64_after_hwframe+0x72/0xdc RIP: 0033:0x7fb2ee9cab19 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fb2ebf1f188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007fb2eeade020 RCX: 00007fb2ee9cab19 RDX: 0000000000000007 RSI: 0000000000004c81 RDI: 0000000000000006 RBP: 00007fb2eea24f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffd4da655cf R14: 00007fb2ebf1f300 R15: 0000000000022000 Modules linked in: CR2: ffffed100fffc000 ---[ end trace 0000000000000000 ]--- RIP: 0010:__memset+0x24/0x50 Code: 90 90 90 90 90 90 0f 1f 44 00 00 49 89 f9 48 89 d1 83 e2 07 48 c1 e9 03 40 0f b6 f6 48 b8 01 01 01 01 01 01 01 01 48 0f af c6 48 ab 89 d1 f3 aa 4c 89 c8 e9 4d d4 12 00 66 66 2e 0f 1f 84 00 RSP: 0018:ffff88803a1dfcc0 EFLAGS: 00010216 RAX: 0000000000000000 RBX: ffff88800c0190c0 RCX: 1ffffe21fe601bb5 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffed100fffc000 RBP: ffff88800c035c80 R08: 0000000000000005 R09: ffffed1001803218 R10: 0000000000000001 R11: 0000000000000001 R12: ffff88800c035c80 R13: ffff88800c0190c0 R14: ffffffff815f27a0 R15: 1ffff1100112341f FS: 00007fb2ebf1f700(0000) GS:ffff88806d100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffed100fffc000 CR3: 000000000e878000 CR4: 0000000000350ee0 BUG: unable to handle page fault for address: ffffed100fffc000 #PF: supervisor write access in kernel mode #PF: error_code(0x0002) - not-present page PGD 7ffd3067 P4D 7ffd3067 PUD 7ffd2067 PMD 7ffd1067 PTE 0 Oops: 0002 [#15] PREEMPT SMP KASAN NOPTI CPU: 0 PID: 5718 Comm: syz-executor.4 Tainted: G D 6.1.0-rc3-next-20221031 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:__memset+0x24/0x50 Code: 90 90 90 90 90 90 0f 1f 44 00 00 49 89 f9 48 89 d1 83 e2 07 48 c1 e9 03 40 0f b6 f6 48 b8 01 01 01 01 01 01 01 01 48 0f af c6 48 ab 89 d1 f3 aa 4c 89 c8 e9 4d d4 12 00 66 66 2e 0f 1f 84 00 RSP: 0018:ffff8880386a7cc0 EFLAGS: 00010216 RAX: 0000000000000000 RBX: ffff8880198d4000 RCX: 1ffffe21fe964a72 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffed100fffc000 RBP: ffff88800c035c80 R08: 0000000000000005 R09: ffffed100331a800 R10: 0000000000000001 R11: 0000000000000001 R12: ffff88800c035c80 R13: ffff8880198d4000 R14: ffffffff815f27a0 R15: 1ffff1100338021f FS: 00007fc33f311700(0000) GS:ffff88806d000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffed100fffc000 CR3: 000000001310a000 CR4: 0000000000350ef0 Call Trace: kasan_unpoison+0x23/0x60 mempool_exit+0x1c2/0x330 bioset_exit+0x2c9/0x630 disk_release+0x143/0x490 device_release+0xa2/0x250 kobject_put+0x173/0x280 put_device+0x1b/0x40 put_disk+0x41/0x60 loop_control_ioctl+0x4d1/0x630 __x64_sys_ioctl+0x19a/0x220 do_syscall_64+0x3b/0xa0 entry_SYSCALL_64_after_hwframe+0x72/0xdc RIP: 0033:0x7fc341dbcb19 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fc33f311188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007fc341ed0020 RCX: 00007fc341dbcb19 RDX: 0000000000000000 RSI: 0000000000004c81 RDI: 0000000000000006 RBP: 00007fc341e16f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffdadf59f8f R14: 00007fc33f311300 R15: 0000000000022000 Modules linked in: CR2: ffffed100fffc000 ---[ end trace 0000000000000000 ]--- RIP: 0010:__memset+0x24/0x50 Code: 90 90 90 90 90 90 0f 1f 44 00 00 49 89 f9 48 89 d1 83 e2 07 48 c1 e9 03 40 0f b6 f6 48 b8 01 01 01 01 01 01 01 01 48 0f af c6 48 ab 89 d1 f3 aa 4c 89 c8 e9 4d d4 12 00 66 66 2e 0f 1f 84 00 RSP: 0018:ffff88803a1dfcc0 EFLAGS: 00010216 RAX: 0000000000000000 RBX: ffff88800c0190c0 RCX: 1ffffe21fe601bb5 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffed100fffc000 RBP: ffff88800c035c80 R08: 0000000000000005 R09: ffffed1001803218 R10: 0000000000000001 R11: 0000000000000001 R12: ffff88800c035c80 R13: ffff88800c0190c0 R14: ffffffff815f27a0 R15: 1ffff1100112341f FS: 00007fc33f311700(0000) GS:ffff88806d000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffed100fffc000 CR3: 000000001310a000 CR4: 0000000000350ef0 BUG: unable to handle page fault for address: ffffed100fffc000 #PF: supervisor write access in kernel mode #PF: error_code(0x0002) - not-present page PGD 7ffd3067 P4D 7ffd3067 PUD 7ffd2067 PMD 7ffd1067 PTE 0 Oops: 0002 [#16] PREEMPT SMP KASAN NOPTI CPU: 1 PID: 5742 Comm: syz-executor.5 Tainted: G D 6.1.0-rc3-next-20221031 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:__memset+0x24/0x50 Code: 90 90 90 90 90 90 0f 1f 44 00 00 49 89 f9 48 89 d1 83 e2 07 48 c1 e9 03 40 0f b6 f6 48 b8 01 01 01 01 01 01 01 01 48 0f af c6 48 ab 89 d1 f3 aa 4c 89 c8 e9 4d d4 12 00 66 66 2e 0f 1f 84 00 RSP: 0018:ffff888038a0fcc0 EFLAGS: 00010216 RAX: 0000000000000000 RBX: ffff88800a4a29c0 RCX: 1ffffe21fe593e19 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffed100fffc000 RBP: ffff88800c035c80 R08: 0000000000000005 R09: ffffed1001494538 R10: 0000000000000001 R11: 0000000000000001 R12: ffff88800c035c80 R13: ffff88800a4a29c0 R14: ffffffff815f27a0 R15: 1ffff1100703c01f FS: 00007f92b7870700(0000) GS:ffff88806d100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffed100fffc000 CR3: 000000000f210000 CR4: 0000000000350ee0 Call Trace: kasan_unpoison+0x23/0x60 mempool_exit+0x1c2/0x330 bioset_exit+0x2c9/0x630 disk_release+0x143/0x490 device_release+0xa2/0x250 kobject_put+0x173/0x280 put_device+0x1b/0x40 put_disk+0x41/0x60 loop_control_ioctl+0x4d1/0x630 __x64_sys_ioctl+0x19a/0x220 do_syscall_64+0x3b/0xa0 entry_SYSCALL_64_after_hwframe+0x72/0xdc RIP: 0033:0x7f92ba2fab19 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f92b7870188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f92ba40df60 RCX: 00007f92ba2fab19 RDX: 0000000000000000 RSI: 0000000000004c81 RDI: 0000000000000006 RBP: 00007f92ba354f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fff4d3d320f R14: 00007f92b7870300 R15: 0000000000022000 Modules linked in: CR2: ffffed100fffc000 ---[ end trace 0000000000000000 ]--- RIP: 0010:__memset+0x24/0x50 Code: 90 90 90 90 90 90 0f 1f 44 00 00 49 89 f9 48 89 d1 83 e2 07 48 c1 e9 03 40 0f b6 f6 48 b8 01 01 01 01 01 01 01 01 48 0f af c6 48 ab 89 d1 f3 aa 4c 89 c8 e9 4d d4 12 00 66 66 2e 0f 1f 84 00 RSP: 0018:ffff88803a1dfcc0 EFLAGS: 00010216 RAX: 0000000000000000 RBX: ffff88800c0190c0 RCX: 1ffffe21fe601bb5 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffed100fffc000 RBP: ffff88800c035c80 R08: 0000000000000005 R09: ffffed1001803218 R10: 0000000000000001 R11: 0000000000000001 R12: ffff88800c035c80 R13: ffff88800c0190c0 R14: ffffffff815f27a0 R15: 1ffff1100112341f FS: 00007f92b7870700(0000) GS:ffff88806d100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffed100fffc000 CR3: 000000000f210000 CR4: 0000000000350ee0 loop2: detected capacity change from 0 to 40 syz-executor.2: attempt to access beyond end of device loop2: rw=2049, sector=40, nr_sectors = 4 limit=40 Buffer I/O error on dev loop2, logical block 10, lost async page write loop1: detected capacity change from 0 to 40 BUG: unable to handle page fault for address: ffffed100fffc000 #PF: supervisor write access in kernel mode #PF: error_code(0x0002) - not-present page PGD 7ffd3067 P4D 7ffd3067 PUD 7ffd2067 PMD 7ffd1067 PTE 0 Oops: 0002 [#17] PREEMPT SMP KASAN NOPTI CPU: 1 PID: 5767 Comm: syz-executor.6 Tainted: G D 6.1.0-rc3-next-20221031 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:__memset+0x24/0x50 Code: 90 90 90 90 90 90 0f 1f 44 00 00 49 89 f9 48 89 d1 83 e2 07 48 c1 e9 03 40 0f b6 f6 48 b8 01 01 01 01 01 01 01 01 48 0f af c6 48 ab 89 d1 f3 aa 4c 89 c8 e9 4d d4 12 00 66 66 2e 0f 1f 84 00 RSP: 0018:ffff88803af7fcc0 EFLAGS: 00010216 RAX: 0000000000000000 RBX: ffff8880198d4300 RCX: 1ffffe21fe964a7e RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffed100fffc000 RBP: ffff88800c035c80 R08: 0000000000000005 R09: ffffed100331a860 R10: 0000000000000001 R11: 0000000000000001 R12: ffff88800c035c80 R13: ffff8880198d4300 R14: ffffffff815f27a0 R15: 1ffff11006de2e1f FS: 00007f3743709700(0000) GS:ffff88806d100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffed100fffc000 CR3: 00000000178f2000 CR4: 0000000000350ee0 Call Trace: kasan_unpoison+0x23/0x60 mempool_exit+0x1c2/0x330 bioset_exit+0x2c9/0x630 disk_release+0x143/0x490 device_release+0xa2/0x250 kobject_put+0x173/0x280 put_device+0x1b/0x40 put_disk+0x41/0x60 loop_control_ioctl+0x4d1/0x630 __x64_sys_ioctl+0x19a/0x220 do_syscall_64+0x3b/0xa0 entry_SYSCALL_64_after_hwframe+0x72/0xdc RIP: 0033:0x7f3746193b19 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f3743709188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f37462a6f60 RCX: 00007f3746193b19 RDX: 0000000000000000 RSI: 0000000000004c81 RDI: 0000000000000006 RBP: 00007f37461edf6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffca3fbd50f R14: 00007f3743709300 R15: 0000000000022000 Modules linked in: CR2: ffffed100fffc000 ---[ end trace 0000000000000000 ]--- RIP: 0010:__memset+0x24/0x50 Code: 90 90 90 90 90 90 0f 1f 44 00 00 49 89 f9 48 89 d1 83 e2 07 48 c1 e9 03 40 0f b6 f6 48 b8 01 01 01 01 01 01 01 01 48 0f af c6 48 ab 89 d1 f3 aa 4c 89 c8 e9 4d d4 12 00 66 66 2e 0f 1f 84 00 RSP: 0018:ffff88803a1dfcc0 EFLAGS: 00010216 RAX: 0000000000000000 RBX: ffff88800c0190c0 RCX: 1ffffe21fe601bb5 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffed100fffc000 RBP: ffff88800c035c80 R08: 0000000000000005 R09: ffffed1001803218 R10: 0000000000000001 R11: 0000000000000001 R12: ffff88800c035c80 R13: ffff88800c0190c0 R14: ffffffff815f27a0 R15: 1ffff1100112341f FS: 00007f3743709700(0000) GS:ffff88806d100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffed100fffc000 CR3: 00000000178f2000 CR4: 0000000000350ee0 syz-executor.3 (5745) used greatest stack depth: 23856 bytes left syz-executor.1: attempt to access beyond end of device loop1: rw=2049, sector=40, nr_sectors = 4 limit=40 Buffer I/O error on dev loop1, logical block 10, lost async page write loop2: detected capacity change from 0 to 40 syz-executor.2: attempt to access beyond end of device loop2: rw=2049, sector=40, nr_sectors = 4 limit=40 Buffer I/O error on dev loop2, logical block 10, lost async page write loop1: detected capacity change from 0 to 40 loop3: detected capacity change from 0 to 40 syz-executor.1: attempt to access beyond end of device loop1: rw=2049, sector=40, nr_sectors = 4 limit=40 Buffer I/O error on dev loop1, logical block 10, lost async page write loop2: detected capacity change from 0 to 40 loop1: detected capacity change from 0 to 40 syz-executor.3: attempt to access beyond end of device loop3: rw=2049, sector=40, nr_sectors = 4 limit=40 Buffer I/O error on dev loop3, logical block 10, lost async page write syz-executor.1: attempt to access beyond end of device loop1: rw=2049, sector=40, nr_sectors = 4 limit=40 Buffer I/O error on dev loop1, logical block 10, lost async page write syz-executor.2: attempt to access beyond end of device loop2: rw=2049, sector=40, nr_sectors = 4 limit=40 Buffer I/O error on dev loop2, logical block 10, lost async page write loop3: detected capacity change from 0 to 40 loop1: detected capacity change from 0 to 40 syz-executor.1: attempt to access beyond end of device loop1: rw=2049, sector=40, nr_sectors = 4 limit=40 Buffer I/O error on dev loop1, logical block 10, lost async page write loop2: detected capacity change from 0 to 40 syz-executor.3: attempt to access beyond end of device loop3: rw=2049, sector=40, nr_sectors = 4 limit=40 Buffer I/O error on dev loop3, logical block 10, lost async page write syz-executor.5 (5804) used greatest stack depth: 23592 bytes left syz-executor.2: attempt to access beyond end of device loop2: rw=2049, sector=40, nr_sectors = 4 limit=40 Buffer I/O error on dev loop2, logical block 10, lost async page write loop1: detected capacity change from 0 to 40 loop2: detected capacity change from 0 to 40 syz-executor.1: attempt to access beyond end of device loop1: rw=2049, sector=40, nr_sectors = 4 limit=40 Buffer I/O error on dev loop1, logical block 10, lost async page write ---------------- Code disassembly (best guess): 0: 90 nop 1: 90 nop 2: 90 nop 3: 90 nop 4: 90 nop 5: 90 nop 6: 0f 1f 44 00 00 nopl 0x0(%rax,%rax,1) b: 49 89 f9 mov %rdi,%r9 e: 48 89 d1 mov %rdx,%rcx 11: 83 e2 07 and $0x7,%edx 14: 48 c1 e9 03 shr $0x3,%rcx 18: 40 0f b6 f6 movzbl %sil,%esi 1c: 48 b8 01 01 01 01 01 movabs $0x101010101010101,%rax 23: 01 01 01 26: 48 0f af c6 imul %rsi,%rax * 2a: f3 48 ab rep stos %rax,%es:(%rdi) <-- trapping instruction 2d: 89 d1 mov %edx,%ecx 2f: f3 aa rep stos %al,%es:(%rdi) 31: 4c 89 c8 mov %r9,%rax 34: e9 4d d4 12 00 jmpq 0x12d486 39: 66 data16 3a: 66 data16 3b: 2e cs 3c: 0f .byte 0xf 3d: 1f (bad) 3e: 84 00 test %al,(%rax)