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: 6297 Comm: syz-executor.3 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:ffff8880422afcc0 EFLAGS: 00010212 RAX: 0000000000000000 RBX: ffff88800c0df0c0 RCX: 1ffffe21fe607112 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffed100fffc000 RBP: ffff88800c0c53c0 R08: 0000000000000005 R09: ffffed100181be18 R10: 0000000000000001 R11: 0000000000000001 R12: ffff88800c0c53c0 R13: ffff88800c0df0c0 R14: ffffffff815f27a0 R15: 1ffff1100112321f FS: 00007f9d5c170700(0000) GS:ffff88806d100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffed100fffc000 CR3: 0000000009030000 CR4: 0000000000350ee0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff4ff0 DR7: 0000000000000400 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: 0033:0x7f9d5ebfab19 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:00007f9d5c170188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f9d5ed0df60 RCX: 00007f9d5ebfab19 RDX: 0000000000000000 RSI: 0000000000004c81 RDI: 0000000000000005 RBP: 00007f9d5ec54f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffdd71718cf R14: 00007f9d5c170300 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:ffff8880422afcc0 EFLAGS: 00010212 RAX: 0000000000000000 RBX: ffff88800c0df0c0 RCX: 1ffffe21fe607112 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffed100fffc000 RBP: ffff88800c0c53c0 R08: 0000000000000005 R09: ffffed100181be18 R10: 0000000000000001 R11: 0000000000000001 R12: ffff88800c0c53c0 R13: ffff88800c0df0c0 R14: ffffffff815f27a0 R15: 1ffff1100112321f FS: 00007f9d5c170700(0000) GS:ffff88806d100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffed100fffc000 CR3: 0000000009030000 CR4: 0000000000350ee0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff4ff0 DR7: 0000000000000400 sg_write: data in/out 917468/251 bytes for SCSI command 0x0-- guessing data in; program syz-executor.0 not setting count and/or reply_len properly sg_write: data in/out 917468/251 bytes for SCSI command 0x0-- guessing data in; program syz-executor.0 not setting count and/or reply_len properly 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: 0 PID: 6327 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:ffff888043c3fcc0 EFLAGS: 00010212 RAX: 0000000000000000 RBX: ffff88800c0df240 RCX: 1ffffe21fe607118 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffed100fffc000 RBP: ffff88800c0c53c0 R08: 0000000000000005 R09: ffffed100181be48 R10: 0000000000000001 R11: 0000000000000001 R12: ffff88800c0c53c0 R13: ffff88800c0df240 R14: ffffffff815f27a0 R15: 1ffff110010e5c1f FS: 00007f9d5c12e700(0000) GS:ffff88806d000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffed100fffc000 CR3: 0000000009030000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff4ff0 DR7: 0000000000000400 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: 0033:0x7f9d5ebfab19 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:00007f9d5c12e188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f9d5ed0e0e0 RCX: 00007f9d5ebfab19 RDX: 0000000000000001 RSI: 0000000000004c81 RDI: 0000000000000005 RBP: 00007f9d5ec54f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffdd71718cf R14: 00007f9d5c12e300 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:ffff8880422afcc0 EFLAGS: 00010212 RAX: 0000000000000000 RBX: ffff88800c0df0c0 RCX: 1ffffe21fe607112 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffed100fffc000 RBP: ffff88800c0c53c0 R08: 0000000000000005 R09: ffffed100181be18 R10: 0000000000000001 R11: 0000000000000001 R12: ffff88800c0c53c0 R13: ffff88800c0df0c0 R14: ffffffff815f27a0 R15: 1ffff1100112321f FS: 00007f9d5c12e700(0000) GS:ffff88806d000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffed100fffc000 CR3: 0000000009030000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff4ff0 DR7: 0000000000000400 sg_write: data in/out 917468/251 bytes for SCSI command 0x0-- guessing data in; program syz-executor.5 not setting count and/or reply_len properly loop4: detected capacity change from 0 to 512 sg_write: data in/out 917468/251 bytes for SCSI command 0x0-- guessing data in; program syz-executor.0 not setting count and/or reply_len properly EXT4-fs error (device loop4): __ext4_fill_super:5380: inode #2: comm syz-executor.4: iget: root inode unallocated EXT4-fs (loop4): get root inode failed EXT4-fs (loop4): mount failed loop4: detected capacity change from 0 to 512 EXT4-fs error (device loop4): __ext4_fill_super:5380: inode #2: comm syz-executor.4: iget: root inode unallocated EXT4-fs (loop4): get root inode failed EXT4-fs (loop4): mount failed 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: 6349 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:ffff88804247fcc0 EFLAGS: 00010212 RAX: 0000000000000000 RBX: ffff88800c0df3c0 RCX: 1ffffe21fe60711e RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffed100fffc000 RBP: ffff88800c0c53c0 R08: 0000000000000005 R09: ffffed100181be78 R10: 0000000000000001 R11: 0000000000000001 R12: ffff88800c0c53c0 R13: ffff88800c0df3c0 R14: ffffffff815f27a0 R15: 1ffff1100119901f FS: 00007f9d5c170700(0000) GS:ffff88806d100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffed100fffc000 CR3: 0000000037ea6000 CR4: 0000000000350ee0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff4ff0 DR7: 0000000000000400 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: 0033:0x7f9d5ebfab19 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:00007f9d5c170188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f9d5ed0df60 RCX: 00007f9d5ebfab19 RDX: 0000000000000002 RSI: 0000000000004c81 RDI: 0000000000000005 RBP: 00007f9d5ec54f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffdd71718cf R14: 00007f9d5c170300 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:ffff8880422afcc0 EFLAGS: 00010212 RAX: 0000000000000000 RBX: ffff88800c0df0c0 RCX: 1ffffe21fe607112 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffed100fffc000 RBP: ffff88800c0c53c0 R08: 0000000000000005 R09: ffffed100181be18 R10: 0000000000000001 R11: 0000000000000001 R12: ffff88800c0c53c0 R13: ffff88800c0df0c0 R14: ffffffff815f27a0 R15: 1ffff1100112321f FS: 00007f9d5c170700(0000) GS:ffff88806d100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffed100fffc000 CR3: 0000000037ea6000 CR4: 0000000000350ee0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff4ff0 DR7: 0000000000000400 loop4: detected capacity change from 0 to 512 EXT4-fs error (device loop4): __ext4_fill_super:5380: inode #2: comm syz-executor.4: iget: root inode unallocated EXT4-fs (loop4): get root inode failed EXT4-fs (loop4): mount failed loop4: detected capacity change from 0 to 512 sg_write: data in/out 917468/251 bytes for SCSI command 0x0-- guessing data in; program syz-executor.5 not setting count and/or reply_len properly sg_write: data in/out 917468/251 bytes for SCSI command 0x0-- guessing data in; program syz-executor.0 not setting count and/or reply_len properly EXT4-fs error (device loop4): __ext4_fill_super:5380: inode #2: comm syz-executor.4: iget: root inode unallocated EXT4-fs (loop4): get root inode failed EXT4-fs (loop4): mount failed ======================================================= WARNING: The mand mount option has been deprecated and and is ignored by this kernel. Remove the mand option from the mount to silence this warning. ======================================================= 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: 0 PID: 6387 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:ffff88803d09fcc0 EFLAGS: 00010212 RAX: 0000000000000000 RBX: ffff88800c0df540 RCX: 1ffffe21fe607124 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffed100fffc000 RBP: ffff88800c0c53c0 R08: 0000000000000005 R09: ffffed100181bea8 R10: 0000000000000001 R11: 0000000000000001 R12: ffff88800c0c53c0 R13: ffff88800c0df540 R14: ffffffff815f27a0 R15: 1ffff110011ad41f FS: 00007f9d5c170700(0000) GS:ffff88806d000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffed100fffc000 CR3: 000000003b802000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff4ff0 DR7: 0000000000000400 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: 0033:0x7f9d5ebfab19 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:00007f9d5c170188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f9d5ed0df60 RCX: 00007f9d5ebfab19 RDX: 0000000000000003 RSI: 0000000000004c81 RDI: 0000000000000005 RBP: 00007f9d5ec54f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffdd71718cf R14: 00007f9d5c170300 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:ffff8880422afcc0 EFLAGS: 00010212 RAX: 0000000000000000 RBX: ffff88800c0df0c0 RCX: 1ffffe21fe607112 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffed100fffc000 RBP: ffff88800c0c53c0 R08: 0000000000000005 R09: ffffed100181be18 R10: 0000000000000001 R11: 0000000000000001 R12: ffff88800c0c53c0 R13: ffff88800c0df0c0 R14: ffffffff815f27a0 R15: 1ffff1100112321f FS: 00007f9d5c170700(0000) GS:ffff88806d000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffed100fffc000 CR3: 000000003b802000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff4ff0 DR7: 0000000000000400 loop4: detected capacity change from 0 to 512 EXT4-fs error (device loop4): __ext4_fill_super:5380: inode #2: comm syz-executor.4: iget: root inode unallocated EXT4-fs (loop4): get root inode failed EXT4-fs (loop4): mount failed sg_write: data in/out 917468/251 bytes for SCSI command 0x0-- guessing data in; program syz-executor.5 not setting count and/or reply_len properly 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: 6425 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:ffff888042847cc0 EFLAGS: 00010212 RAX: 0000000000000000 RBX: ffff88800c0df6c0 RCX: 1ffffe21fe60712a RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffed100fffc000 RBP: ffff88800c0c53c0 R08: 0000000000000005 R09: ffffed100181bed8 R10: 0000000000000001 R11: 0000000000000001 R12: ffff88800c0c53c0 R13: ffff88800c0df6c0 R14: ffffffff815f27a0 R15: 1ffff110011af41f FS: 00007f9d5c170700(0000) GS:ffff88806d100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffed100fffc000 CR3: 0000000013d24000 CR4: 0000000000350ee0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff4ff0 DR7: 0000000000000400 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: 0033:0x7f9d5ebfab19 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:00007f9d5c170188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f9d5ed0df60 RCX: 00007f9d5ebfab19 RDX: 0000000000000004 RSI: 0000000000004c81 RDI: 0000000000000005 RBP: 00007f9d5ec54f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffdd71718cf R14: 00007f9d5c170300 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:ffff8880422afcc0 EFLAGS: 00010212 RAX: 0000000000000000 RBX: ffff88800c0df0c0 RCX: 1ffffe21fe607112 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffed100fffc000 RBP: ffff88800c0c53c0 R08: 0000000000000005 R09: ffffed100181be18 R10: 0000000000000001 R11: 0000000000000001 R12: ffff88800c0c53c0 R13: ffff88800c0df0c0 R14: ffffffff815f27a0 R15: 1ffff1100112321f FS: 00007f9d5c170700(0000) GS:ffff88806d100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffed100fffc000 CR3: 0000000013d24000 CR4: 0000000000350ee0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff4ff0 DR7: 0000000000000400 device syz_tun entered promiscuous mode device syz_tun left promiscuous mode device syz_tun entered promiscuous mode device syz_tun left promiscuous mode device syz_tun entered promiscuous mode device syz_tun left promiscuous mode device syz_tun entered promiscuous mode device syz_tun left promiscuous mode device syz_tun entered promiscuous mode device syz_tun left promiscuous mode loop7: detected capacity change from 0 to 264192 loop7: detected capacity change from 0 to 264192 loop7: detected capacity change from 0 to 264192 loop7: detected capacity change from 0 to 256 FAT-fs (loop7): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) Bluetooth: hci0: ACL packet for unknown connection handle 201 Bluetooth: hci0: ACL packet for unknown connection handle 201 Bluetooth: hci0: ACL packet for unknown connection handle 201 loop7: detected capacity change from 0 to 264192 loop7: detected capacity change from 0 to 256 FAT-fs (loop7): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) Bluetooth: hci0: ACL packet for unknown connection handle 201 Bluetooth: hci0: ACL packet for unknown connection handle 201 syz-executor.4 (6652) used greatest stack depth: 23432 bytes left mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium loop5: detected capacity change from 0 to 5 capability: warning: `syz-executor.1' uses deprecated v2 capabilities in a way that may be insecure loop5: detected capacity change from 0 to 5 mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium syz-executor.7 (6675) used greatest stack depth: 23280 bytes left loop5: detected capacity change from 0 to 5 audit: type=1400 audit(1667221273.786:13): avc: denied { module_load } for pid=6731 comm="syz-executor.3" path=2F6D656D66643A42DB2F89036CDE62CBB534EDBE4C4BA4673F4B29A0F09B3859B55AE11253F547CCF3E902680BCA2896E143DF1CEA8543FB1013FA0316CD05202864656C6574656429 dev="tmpfs" ino=1075 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:tmpfs_t:s0 tclass=system permissive=1 Invalid ELF header len 5 Invalid ELF header len 5 Invalid ELF header len 5 Invalid ELF header len 5 Invalid ELF header len 5 blktrace: Concurrent blktraces are not allowed on sg0 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: 6823 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:ffff88804196fcc0 EFLAGS: 00010212 RAX: 0000000000000000 RBX: ffff88800c0df840 RCX: 1ffffe21fe607130 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffed100fffc000 RBP: ffff88800c0c53c0 R08: 0000000000000005 R09: ffffed100181bf08 R10: 0000000000000001 R11: 0000000000000001 R12: ffff88800c0c53c0 R13: ffff88800c0df840 R14: ffffffff815f27a0 R15: 1ffff110011ecc1f FS: 00007f45c2aee700(0000) GS:ffff88806d100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffed100fffc000 CR3: 000000000c04a000 CR4: 0000000000350ee0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff4ff0 DR7: 0000000000000400 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: 0033:0x7f45c5578b19 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:00007f45c2aee188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f45c568bf60 RCX: 00007f45c5578b19 RDX: 0000000000000005 RSI: 0000000000004c81 RDI: 0000000000000006 RBP: 00007f45c55d2f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffc983ac63f R14: 00007f45c2aee300 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:ffff8880422afcc0 EFLAGS: 00010212 RAX: 0000000000000000 RBX: ffff88800c0df0c0 RCX: 1ffffe21fe607112 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffed100fffc000 RBP: ffff88800c0c53c0 R08: 0000000000000005 R09: ffffed100181be18 R10: 0000000000000001 R11: 0000000000000001 R12: ffff88800c0c53c0 R13: ffff88800c0df0c0 R14: ffffffff815f27a0 R15: 1ffff1100112321f FS: 00007f45c2aee700(0000) GS:ffff88806d100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffed100fffc000 CR3: 000000000c04a000 CR4: 0000000000350ee0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff4ff0 DR7: 0000000000000400 ---------------- 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)