general protection fault, probably for non-canonical address 0xdffffc0000000001: 0000 [#1] PREEMPT SMP KASAN
KASAN: null-ptr-deref in range [0x0000000000000008-0x000000000000000f]
CPU: 1 PID: 1 Comm: systemd Not tainted 5.15.0-rc6-next-20211019-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:blk_mq_free_request+0x16d/0x5d0 block/blk-mq.c:589
Code: 48 8b 9d d8 00 00 00 48 85 db 0f 84 7c 02 00 00 e8 48 3d b3 fd 48 8d 7b 08 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 34 04 00 00 48 8b 7b 08 e8 90 97 fe ff 4c 89 fa
RSP: 0018:ffffc90000dc0ca0 EFLAGS: 00010003
RAX: dffffc0000000000 RBX: 0000000000000007 RCX: 0000000000000100
RDX: 0000000000000001 RSI: ffffffff83c437a8 RDI: 000000000000000f
RBP: ffff88801d114c00 R08: 0000000000000001 R09: ffff88801ce8a4bf
R10: ffffffff83ce54c3 R11: 0000000000000000 R12: ffff88801a73a970
R13: ffff88801d114c1c R14: ffff88801b5c2000 R15: ffff88801d114cd8
FS: 00007f1bd0de8500(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005571ed69a898 CR3: 000000007f242000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
__blk_mq_end_request+0x339/0x580 block/blk-mq.c:782
blk_flush_complete_seq+0x561/0x1040 block/blk-flush.c:204
flush_end_io+0x76e/0xbf0 block/blk-flush.c:259
__blk_mq_end_request+0x123/0x580 block/blk-mq.c:780
scsi_end_request+0x485/0x980 drivers/scsi/scsi_lib.c:577
scsi_io_completion+0x24f/0x1650 drivers/scsi/scsi_lib.c:939
scsi_complete+0x129/0x3b0 drivers/scsi/scsi_lib.c:1433
blk_complete_reqs+0xad/0xe0 block/blk-mq.c:852
__do_softirq+0x29b/0x9c2 kernel/softirq.c:558
invoke_softirq kernel/softirq.c:432 [inline]
__irq_exit_rcu+0x123/0x180 kernel/softirq.c:637
irq_exit_rcu+0x5/0x20 kernel/softirq.c:649
common_interrupt+0xa9/0xc0 arch/x86/kernel/irq.c:240
asm_common_interrupt+0x1e/0x40 arch/x86/include/asm/idtentry.h:629
RIP: 0010:lock_acquire+0x1ef/0x510 kernel/locking/lockdep.c:5605
Code: dc a5 7e 83 f8 01 0f 85 b4 02 00 00 9c 58 f6 c4 02 0f 85 9f 02 00 00 48 83 7c 24 08 00 74 01 fb 48 b8 00 00 00 00 00 fc ff df <48> 01 c3 48 c7 03 00 00 00 00 48 c7 43 08 00 00 00 00 48 8b 84 24
RSP: 0018:ffffc90000c67620 EFLAGS: 00000206
RAX: dffffc0000000000 RBX: 1ffff9200018cec6 RCX: ffffffff815c4b4f
RDX: 1ffff1100232814c RSI: 0000000000000001 RDI: 0000000000000000
RBP: 0000000000000001 R08: 0000000000000000 R09: ffffffff8ff46a5f
R10: fffffbfff1fe8d4b R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000000 R14: ffffffff8b8146d8 R15: 0000000000000000
__raw_spin_lock include/linux/spinlock_api_smp.h:142 [inline]
_raw_spin_lock+0x2a/0x40 kernel/locking/spinlock.c:154
spin_lock include/linux/spinlock.h:367 [inline]
iget_locked+0x1e9/0x740 fs/inode.c:1215
kernfs_get_inode+0x47/0x520 fs/kernfs/inode.c:250
kernfs_iop_lookup+0x18f/0x2c0 fs/kernfs/dir.c:1122
__lookup_slow+0x24c/0x480 fs/namei.c:1657
lookup_slow fs/namei.c:1674 [inline]
walk_component+0x40f/0x6a0 fs/namei.c:1970
link_path_walk.part.0+0x757/0xd00 fs/namei.c:2297
link_path_walk fs/namei.c:2222 [inline]
path_openat+0x265/0x2740 fs/namei.c:3557
do_filp_open+0x1aa/0x400 fs/namei.c:3588
do_sys_openat2+0x16d/0x4d0 fs/open.c:1200
do_sys_open fs/open.c:1216 [inline]
__do_sys_open fs/open.c:1224 [inline]
__se_sys_open fs/open.c:1220 [inline]
__x64_sys_open+0x119/0x1c0 fs/open.c:1220
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7f1bcf3b16f0
Code: 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 3d 19 30 2c 00 00 75 10 b8 02 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 31 c3 48 83 ec 08 e8 fe 9d 01 00 48 89 04 24
RSP: 002b:00007ffe15248478 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffda RBX: 00005571ed6eb780 RCX: 00007f1bcf3b16f0
RDX: 00000000000001b6 RSI: 0000000000080000 RDI: 00005571ed6a9bb0
RBP: 0000000000000008 R08: 0000000000000008 R09: 0000000000000001
R10: 0000000000080000 R11: 0000000000000246 R12: 00007f1bd0aeb7b4
R13: 0000000000000001 R14: 00007ffe1524859c R15: 00005571ed6fe5b0
Modules linked in:
---[ end trace c6660a7c3dadc729 ]---
RIP: 0010:blk_mq_free_request+0x16d/0x5d0 block/blk-mq.c:589
Code: 48 8b 9d d8 00 00 00 48 85 db 0f 84 7c 02 00 00 e8 48 3d b3 fd 48 8d 7b 08 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 34 04 00 00 48 8b 7b 08 e8 90 97 fe ff 4c 89 fa
RSP: 0018:ffffc90000dc0ca0 EFLAGS: 00010003
RAX: dffffc0000000000 RBX: 0000000000000007 RCX: 0000000000000100
RDX: 0000000000000001 RSI: ffffffff83c437a8 RDI: 000000000000000f
RBP: ffff88801d114c00 R08: 0000000000000001 R09: ffff88801ce8a4bf
R10: ffffffff83ce54c3 R11: 0000000000000000 R12: ffff88801a73a970
R13: ffff88801d114c1c R14: ffff88801b5c2000 R15: ffff88801d114cd8
FS: 00007f1bd0de8500(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005571ed69a898 CR3: 000000007f242000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
0: 48 8b 9d d8 00 00 00 mov 0xd8(%rbp),%rbx
7: 48 85 db test %rbx,%rbx
a: 0f 84 7c 02 00 00 je 0x28c
10: e8 48 3d b3 fd callq 0xfdb33d5d
15: 48 8d 7b 08 lea 0x8(%rbx),%rdi
19: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax
20: fc ff df
23: 48 89 fa mov %rdi,%rdx
26: 48 c1 ea 03 shr $0x3,%rdx
* 2a: 80 3c 02 00 cmpb $0x0,(%rdx,%rax,1) <-- trapping instruction
2e: 0f 85 34 04 00 00 jne 0x468
34: 48 8b 7b 08 mov 0x8(%rbx),%rdi
38: e8 90 97 fe ff callq 0xfffe97cd
3d: 4c 89 fa mov %r15,%rdx