audit: type=1400 audit(1667301441.425:9): avc: denied { read } for pid=6359 comm="syz-executor.2" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=perf_event permissive=1 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: 6360 Comm: syz-executor.2 Not tainted 6.1.0-rc3-next-20221101 #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 0d d4 12 00 66 66 2e 0f 1f 84 00 RSP: 0018:ffff88803f06fcc0 EFLAGS: 00010212 RAX: 0000000000000000 RBX: ffff88800bfd10c0 RCX: 1ffffe21fe5ff826 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffed100fffc000 RBP: ffff88800bfef8c0 R08: 0000000000000005 R09: ffffed10017fa218 R10: 0000000000000001 R11: 0000000000000001 R12: ffff88800bfef8c0 R13: ffff88800bfd10c0 R14: ffffffff815f2620 R15: 1ffff1100112641f FS: 00007f8a39fa7700(0000) GS:ffff88806d100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffed100fffc000 CR3: 000000003d9ea000 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: 0033:0x7f8a3ca31b19 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:00007f8a39fa7188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f8a3cb44f60 RCX: 00007f8a3ca31b19 RDX: 0000000000000000 RSI: 0000000000004c81 RDI: 0000000000000005 RBP: 00007f8a3ca8bf6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fffb8fa757f R14: 00007f8a39fa7300 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 0d d4 12 00 66 66 2e 0f 1f 84 00 RSP: 0018:ffff88803f06fcc0 EFLAGS: 00010212 RAX: 0000000000000000 RBX: ffff88800bfd10c0 RCX: 1ffffe21fe5ff826 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffed100fffc000 RBP: ffff88800bfef8c0 R08: 0000000000000005 R09: ffffed10017fa218 R10: 0000000000000001 R11: 0000000000000001 R12: ffff88800bfef8c0 R13: ffff88800bfd10c0 R14: ffffffff815f2620 R15: 1ffff1100112641f FS: 00007f8a39fa7700(0000) GS:ffff88806d100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffed100fffc000 CR3: 000000003d9ea000 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 [#2] PREEMPT SMP KASAN NOPTI CPU: 1 PID: 6385 Comm: syz-executor.2 Tainted: G D 6.1.0-rc3-next-20221101 #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 0d d4 12 00 66 66 2e 0f 1f 84 00 RSP: 0018:ffff8880404e7cc0 EFLAGS: 00010212 RAX: 0000000000000000 RBX: ffff88800bfd1240 RCX: 1ffffe21fe5ff82c RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffed100fffc000 RBP: ffff88800bfef8c0 R08: 0000000000000005 R09: ffffed10017fa248 R10: 0000000000000001 R11: 0000000000000001 R12: ffff88800bfef8c0 R13: ffff88800bfd1240 R14: ffffffff815f2620 R15: 1ffff1100112601f FS: 00007f8a39fa7700(0000) GS:ffff88806d100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffed100fffc000 CR3: 000000003d8b2000 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: 0033:0x7f8a3ca31b19 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:00007f8a39fa7188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f8a3cb44f60 RCX: 00007f8a3ca31b19 RDX: 0000000000000001 RSI: 0000000000004c81 RDI: 0000000000000005 RBP: 00007f8a3ca8bf6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fffb8fa757f R14: 00007f8a39fa7300 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 0d d4 12 00 66 66 2e 0f 1f 84 00 RSP: 0018:ffff88803f06fcc0 EFLAGS: 00010212 RAX: 0000000000000000 RBX: ffff88800bfd10c0 RCX: 1ffffe21fe5ff826 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffed100fffc000 RBP: ffff88800bfef8c0 R08: 0000000000000005 R09: ffffed10017fa218 R10: 0000000000000001 R11: 0000000000000001 R12: ffff88800bfef8c0 R13: ffff88800bfd10c0 R14: ffffffff815f2620 R15: 1ffff1100112641f FS: 00007f8a39fa7700(0000) GS:ffff88806d100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffed100fffc000 CR3: 000000003d8b2000 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: 1 PID: 6397 Comm: syz-executor.3 Tainted: G D 6.1.0-rc3-next-20221101 #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 0d d4 12 00 66 66 2e 0f 1f 84 00 RSP: 0018:ffff888040677cc0 EFLAGS: 00010212 RAX: 0000000000000000 RBX: ffff88800bfd1540 RCX: 1ffffe21fe5ff838 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffed100fffc000 RBP: ffff88800bfef8c0 R08: 0000000000000005 R09: ffffed10017fa2a8 R10: 0000000000000001 R11: 0000000000000001 R12: ffff88800bfef8c0 R13: ffff88800bfd1540 R14: ffffffff815f2620 R15: 1ffff110011aae1f FS: 00007f99cc874700(0000) GS:ffff88806d100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffed100fffc000 CR3: 000000003f474000 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: 0033:0x7f99cf2feb19 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:00007f99cc874188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f99cf411f60 RCX: 00007f99cf2feb19 RDX: 0000000000000003 RSI: 0000000000004c81 RDI: 0000000000000005 RBP: 00007f99cf358f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffe04fa04df R14: 00007f99cc874300 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 0d d4 12 00 66 66 2e 0f 1f 84 00 RSP: 0018:ffff88803f06fcc0 EFLAGS: 00010212 RAX: 0000000000000000 RBX: ffff88800bfd10c0 RCX: 1ffffe21fe5ff826 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffed100fffc000 RBP: ffff88800bfef8c0 R08: 0000000000000005 R09: ffffed10017fa218 R10: 0000000000000001 R11: 0000000000000001 R12: ffff88800bfef8c0 R13: ffff88800bfd10c0 R14: ffffffff815f2620 R15: 1ffff1100112641f FS: 00007f99cc874700(0000) GS:ffff88806d100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffed100fffc000 CR3: 000000003f474000 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 [#4] PREEMPT SMP KASAN NOPTI CPU: 1 PID: 6407 Comm: syz-executor.1 Tainted: G D 6.1.0-rc3-next-20221101 #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 0d d4 12 00 66 66 2e 0f 1f 84 00 RSP: 0018:ffff8880405c7cc0 EFLAGS: 00010212 RAX: 0000000000000000 RBX: ffff88800bfd16c0 RCX: 1ffffe21fe5ff83e RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffed100fffc000 RBP: ffff88800bfef8c0 R08: 0000000000000005 R09: ffffed10017fa2d8 R10: 0000000000000001 R11: 0000000000000001 R12: ffff88800bfef8c0 R13: ffff88800bfd16c0 R14: ffffffff815f2620 R15: 1ffff1100119ba1f FS: 00007f3a07d66700(0000) GS:ffff88806d100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffed100fffc000 CR3: 000000001fefa000 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: 0033:0x7f3a0a811b19 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:00007f3a07d66188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f3a0a925020 RCX: 00007f3a0a811b19 RDX: 0000000000000004 RSI: 0000000000004c81 RDI: 0000000000000005 RBP: 00007f3a0a86bf6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffffb8a6a7f R14: 00007f3a07d66300 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 0d d4 12 00 66 66 2e 0f 1f 84 00 RSP: 0018:ffff88803f06fcc0 EFLAGS: 00010212 RAX: 0000000000000000 RBX: ffff88800bfd10c0 RCX: 1ffffe21fe5ff826 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffed100fffc000 RBP: ffff88800bfef8c0 R08: 0000000000000005 R09: ffffed10017fa218 R10: 0000000000000001 R11: 0000000000000001 R12: ffff88800bfef8c0 R13: ffff88800bfd10c0 R14: ffffffff815f2620 R15: 1ffff1100112641f FS: 00007f3a07d66700(0000) GS:ffff88806d100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffed100fffc000 CR3: 000000001fefa000 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: 6390 Comm: syz-executor.7 Tainted: G D 6.1.0-rc3-next-20221101 #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 0d d4 12 00 66 66 2e 0f 1f 84 00 RSP: 0018:ffff88803227fcc0 EFLAGS: 00010212 RAX: 0000000000000000 RBX: ffff88800bfd13c0 RCX: 1ffffe21fe5ff832 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffed100fffc000 RBP: ffff88800bfef8c0 R08: 0000000000000005 R09: ffffed10017fa278 R10: 0000000000000001 R11: 0000000000000001 R12: ffff88800bfef8c0 R13: ffff88800bfd13c0 R14: ffffffff815f2620 R15: 1ffff110011a5e1f FS: 00007fe99071f700(0000) GS:ffff88806d100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffed100fffc000 CR3: 000000002f180000 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: 0033:0x7fe9931a9b19 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:00007fe99071f188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007fe9932bcf60 RCX: 00007fe9931a9b19 RDX: 0000000000000002 RSI: 0000000000004c81 RDI: 0000000000000005 RBP: 00007fe993203f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffd96f30e8f R14: 00007fe99071f300 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 0d d4 12 00 66 66 2e 0f 1f 84 00 RSP: 0018:ffff88803f06fcc0 EFLAGS: 00010212 RAX: 0000000000000000 RBX: ffff88800bfd10c0 RCX: 1ffffe21fe5ff826 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffed100fffc000 RBP: ffff88800bfef8c0 R08: 0000000000000005 R09: ffffed10017fa218 R10: 0000000000000001 R11: 0000000000000001 R12: ffff88800bfef8c0 R13: ffff88800bfd10c0 R14: ffffffff815f2620 R15: 1ffff1100112641f FS: 00007fe99071f700(0000) GS:ffff88806d100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffed100fffc000 CR3: 000000002f180000 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: 1 PID: 6439 Comm: syz-executor.3 Tainted: G D 6.1.0-rc3-next-20221101 #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 0d d4 12 00 66 66 2e 0f 1f 84 00 RSP: 0018:ffff88803fbbfcc0 EFLAGS: 00010212 RAX: 0000000000000000 RBX: ffff88800bfd1840 RCX: 1ffffe21fe5ff844 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffed100fffc000 RBP: ffff88800bfef8c0 R08: 0000000000000005 R09: ffffed10017fa308 R10: 0000000000000001 R11: 0000000000000001 R12: ffff88800bfef8c0 R13: ffff88800bfd1840 R14: ffffffff815f2620 R15: 1ffff1100119b41f FS: 00007f99cc874700(0000) GS:ffff88806d100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffed100fffc000 CR3: 000000003ee66000 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: 0033:0x7f99cf2feb19 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:00007f99cc874188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f99cf411f60 RCX: 00007f99cf2feb19 RDX: 0000000000000005 RSI: 0000000000004c81 RDI: 0000000000000005 RBP: 00007f99cf358f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffe04fa04df R14: 00007f99cc874300 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 0d d4 12 00 66 66 2e 0f 1f 84 00 RSP: 0018:ffff88803f06fcc0 EFLAGS: 00010212 RAX: 0000000000000000 RBX: ffff88800bfd10c0 RCX: 1ffffe21fe5ff826 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffed100fffc000 RBP: ffff88800bfef8c0 R08: 0000000000000005 R09: ffffed10017fa218 R10: 0000000000000001 R11: 0000000000000001 R12: ffff88800bfef8c0 R13: ffff88800bfd10c0 R14: ffffffff815f2620 R15: 1ffff1100112641f FS: 00007f99cc874700(0000) GS:ffff88806d100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffed100fffc000 CR3: 000000003ee66000 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 [#7] PREEMPT SMP KASAN NOPTI CPU: 1 PID: 6435 Comm: syz-executor.1 Tainted: G D 6.1.0-rc3-next-20221101 #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 0d d4 12 00 66 66 2e 0f 1f 84 00 RSP: 0018:ffff88803fc07cc0 EFLAGS: 00010212 RAX: 0000000000000000 RBX: ffff88800bfd19c0 RCX: 1ffffe21fe5ff84a RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffed100fffc000 RBP: ffff88800bfef8c0 R08: 0000000000000005 R09: ffffed10017fa338 R10: 0000000000000001 R11: 0000000000000001 R12: ffff88800bfef8c0 R13: ffff88800bfd19c0 R14: ffffffff815f2620 R15: 1ffff1100119b01f FS: 00007f3a07d87700(0000) GS:ffff88806d100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffed100fffc000 CR3: 000000003d8b2000 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: 0033:0x7f3a0a811b19 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:00007f3a07d87188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f3a0a924f60 RCX: 00007f3a0a811b19 RDX: 0000000000000006 RSI: 0000000000004c81 RDI: 0000000000000005 RBP: 00007f3a0a86bf6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffffb8a6a7f R14: 00007f3a07d87300 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 0d d4 12 00 66 66 2e 0f 1f 84 00 RSP: 0018:ffff88803f06fcc0 EFLAGS: 00010212 RAX: 0000000000000000 RBX: ffff88800bfd10c0 RCX: 1ffffe21fe5ff826 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffed100fffc000 RBP: ffff88800bfef8c0 R08: 0000000000000005 R09: ffffed10017fa218 R10: 0000000000000001 R11: 0000000000000001 R12: ffff88800bfef8c0 R13: ffff88800bfd10c0 R14: ffffffff815f2620 R15: 1ffff1100112641f FS: 00007f3a07d87700(0000) GS:ffff88806d100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffed100fffc000 CR3: 000000003d8b2000 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: 1 PID: 6443 Comm: syz-executor.2 Tainted: G D 6.1.0-rc3-next-20221101 #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 0d d4 12 00 66 66 2e 0f 1f 84 00 RSP: 0018:ffff88803f99fcc0 EFLAGS: 00010212 RAX: 0000000000000000 RBX: ffff88800bfd1b40 RCX: 1ffffe21fe5ff850 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffed100fffc000 RBP: ffff88800bfef8c0 R08: 0000000000000005 R09: ffffed10017fa368 R10: 0000000000000001 R11: 0000000000000001 R12: ffff88800bfef8c0 R13: ffff88800bfd1b40 R14: ffffffff815f2620 R15: 1ffff110011a8a1f FS: 00007f8a39fa7700(0000) GS:ffff88806d100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffed100fffc000 CR3: 000000001fefa000 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: 0033:0x7f8a3ca31b19 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:00007f8a39fa7188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f8a3cb44f60 RCX: 00007f8a3ca31b19 RDX: 0000000000000007 RSI: 0000000000004c81 RDI: 0000000000000005 RBP: 00007f8a3ca8bf6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fffb8fa757f R14: 00007f8a39fa7300 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 0d d4 12 00 66 66 2e 0f 1f 84 00 RSP: 0018:ffff88803f06fcc0 EFLAGS: 00010212 RAX: 0000000000000000 RBX: ffff88800bfd10c0 RCX: 1ffffe21fe5ff826 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffed100fffc000 RBP: ffff88800bfef8c0 R08: 0000000000000005 R09: ffffed10017fa218 R10: 0000000000000001 R11: 0000000000000001 R12: ffff88800bfef8c0 R13: ffff88800bfd10c0 R14: ffffffff815f2620 R15: 1ffff1100112641f FS: 00007f8a39fa7700(0000) GS:ffff88806d100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffed100fffc000 CR3: 000000001fefa000 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 [#9] PREEMPT SMP KASAN NOPTI CPU: 1 PID: 6490 Comm: syz-executor.2 Tainted: G D 6.1.0-rc3-next-20221101 #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 0d d4 12 00 66 66 2e 0f 1f 84 00 RSP: 0018:ffff88803ebefcc0 EFLAGS: 00010212 RAX: 0000000000000000 RBX: ffff88800b7723c0 RCX: 1ffffe21fe5de072 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffed100fffc000 RBP: ffff88800bfef8c0 R08: 0000000000000005 R09: ffffed10016ee478 R10: 0000000000000001 R11: 0000000000000001 R12: ffff88800bfef8c0 R13: ffff88800b7723c0 R14: ffffffff815f2620 R15: 1ffff11007b9bc1f FS: 00007f8a39fa7700(0000) GS:ffff88806d100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffed100fffc000 CR3: 000000003e03a000 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: 0033:0x7f8a3ca31b19 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:00007f8a39fa7188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f8a3cb44f60 RCX: 00007f8a3ca31b19 RDX: 0000000000000000 RSI: 0000000000004c81 RDI: 0000000000000005 RBP: 00007f8a3ca8bf6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fffb8fa757f R14: 00007f8a39fa7300 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 0d d4 12 00 66 66 2e 0f 1f 84 00 RSP: 0018:ffff88803f06fcc0 EFLAGS: 00010212 RAX: 0000000000000000 RBX: ffff88800bfd10c0 RCX: 1ffffe21fe5ff826 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffed100fffc000 RBP: ffff88800bfef8c0 R08: 0000000000000005 R09: ffffed10017fa218 R10: 0000000000000001 R11: 0000000000000001 R12: ffff88800bfef8c0 R13: ffff88800bfd10c0 R14: ffffffff815f2620 R15: 1ffff1100112641f FS: 00007f8a39fa7700(0000) GS:ffff88806d100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffed100fffc000 CR3: 000000003e03a000 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 [#10] PREEMPT SMP KASAN NOPTI CPU: 0 PID: 6494 Comm: syz-executor.3 Tainted: G D 6.1.0-rc3-next-20221101 #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 0d d4 12 00 66 66 2e 0f 1f 84 00 RSP: 0018:ffff88803f337cc0 EFLAGS: 00010212 RAX: 0000000000000000 RBX: ffff88800b772540 RCX: 1ffffe21fe5de078 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffed100fffc000 RBP: ffff88800bfef8c0 R08: 0000000000000005 R09: ffffed10016ee4a8 R10: 0000000000000001 R11: 0000000000000001 R12: ffff88800bfef8c0 R13: ffff88800b772540 R14: ffffffff815f2620 R15: 1ffff11007b9b41f FS: 00007f99cc874700(0000) GS:ffff88806d000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffed100fffc000 CR3: 000000003ee66000 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: 0033:0x7f99cf2feb19 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:00007f99cc874188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f99cf411f60 RCX: 00007f99cf2feb19 RDX: 0000000000000001 RSI: 0000000000004c81 RDI: 0000000000000005 RBP: 00007f99cf358f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffe04fa04df R14: 00007f99cc874300 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 0d d4 12 00 66 66 2e 0f 1f 84 00 RSP: 0018:ffff88803f06fcc0 EFLAGS: 00010212 RAX: 0000000000000000 RBX: ffff88800bfd10c0 RCX: 1ffffe21fe5ff826 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffed100fffc000 RBP: ffff88800bfef8c0 R08: 0000000000000005 R09: ffffed10017fa218 R10: 0000000000000001 R11: 0000000000000001 R12: ffff88800bfef8c0 R13: ffff88800bfd10c0 R14: ffffffff815f2620 R15: 1ffff1100112641f FS: 00007f99cc874700(0000) GS:ffff88806d000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffed100fffc000 CR3: 000000003ee66000 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 [#11] PREEMPT SMP KASAN NOPTI CPU: 1 PID: 6532 Comm: syz-executor.5 Tainted: G D 6.1.0-rc3-next-20221101 #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 0d d4 12 00 66 66 2e 0f 1f 84 00 RSP: 0018:ffff88802f1bfcc0 EFLAGS: 00010212 RAX: 0000000000000000 RBX: ffff88800b7726c0 RCX: 1ffffe21fe5de07e RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffed100fffc000 RBP: ffff88800bfef8c0 R08: 0000000000000005 R09: ffffed10016ee4d8 R10: 0000000000000001 R11: 0000000000000001 R12: ffff88800bfef8c0 R13: ffff88800b7726c0 R14: ffffffff815f2620 R15: 1ffff11002b4901f FS: 00007f2b06ec8700(0000) GS:ffff88806d100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffed100fffc000 CR3: 0000000030432000 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: 0033:0x7f2b09952b19 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:00007f2b06ec8188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f2b09a65f60 RCX: 00007f2b09952b19 RDX: 0000000000000002 RSI: 0000000000004c81 RDI: 0000000000000005 RBP: 00007f2b099acf6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffee83a991f R14: 00007f2b06ec8300 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 0d d4 12 00 66 66 2e 0f 1f 84 00 RSP: 0018:ffff88803f06fcc0 EFLAGS: 00010212 RAX: 0000000000000000 RBX: ffff88800bfd10c0 RCX: 1ffffe21fe5ff826 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffed100fffc000 RBP: ffff88800bfef8c0 R08: 0000000000000005 R09: ffffed10017fa218 R10: 0000000000000001 R11: 0000000000000001 R12: ffff88800bfef8c0 R13: ffff88800bfd10c0 R14: ffffffff815f2620 R15: 1ffff1100112641f FS: 00007f2b06ec8700(0000) GS:ffff88806d100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffed100fffc000 CR3: 0000000030432000 CR4: 0000000000350ee0 netlink: 16 bytes leftover after parsing attributes in process `syz-executor.7'. netlink: 16 bytes leftover after parsing attributes in process `syz-executor.7'. netlink: 16 bytes leftover after parsing attributes in process `syz-executor.7'. netlink: 16 bytes leftover after parsing attributes in process `syz-executor.7'. netlink: 16 bytes leftover after parsing attributes in process `syz-executor.7'. audit: type=1400 audit(1667301450.601:10): avc: denied { write } for pid=6783 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=perf_event permissive=1 capability: warning: `syz-executor.1' uses deprecated v2 capabilities in a way that may be insecure audit: type=1400 audit(1667301451.169:11): avc: denied { block_suspend } for pid=6846 comm="syz-executor.5" capability=36 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=capability2 permissive=1 ---------------- 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 0d d4 12 00 jmpq 0x12d446 39: 66 data16 3a: 66 data16 3b: 2e cs 3c: 0f .byte 0xf 3d: 1f (bad) 3e: 84 00 test %al,(%rax)