R10: 0000000000000000 R11: 0000000000000246 R12: 00007f8616b4c6d4
R13: 00000000004c1d40 R14: 00000000004d5a18 R15: 0000000000000003
INFO: trying to register non-static key.
the code is fine but needs lockdep annotation.
turning off the locking correctness validator.
CPU: 0 PID: 21892 Comm: syz-executor.1 Not tainted 5.4.0-rc8-next-20191120-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x197/0x210 lib/dump_stack.c:118
 assign_lock_key kernel/locking/lockdep.c:881 [inline]
 register_lock_class+0x179e/0x1850 kernel/locking/lockdep.c:1190
 __lock_acquire+0xf4/0x4a00 kernel/locking/lockdep.c:3837
 lock_acquire+0x190/0x410 kernel/locking/lockdep.c:4485
 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
 _raw_spin_lock_irqsave+0x95/0xcd kernel/locking/spinlock.c:159
 __wake_up_common_lock+0xc8/0x150 kernel/sched/wait.c:122
 __wake_up+0xe/0x10 kernel/sched/wait.c:142
 io_cqring_ev_posted+0xaa/0x120 fs/io_uring.c:655
 io_cqring_overflow_flush+0x6d4/0xa90 fs/io_uring.c:702
 io_ring_ctx_wait_and_kill+0x20a/0x770 fs/io_uring.c:4399
 io_uring_create fs/io_uring.c:4736 [inline]
 io_uring_setup+0x123d/0x1ca0 fs/io_uring.c:4762
 __do_sys_io_uring_setup fs/io_uring.c:4775 [inline]
 __se_sys_io_uring_setup fs/io_uring.c:4772 [inline]
 __x64_sys_io_uring_setup+0x54/0x80 fs/io_uring.c:4772
 do_syscall_64+0xfa/0x790 arch/x86/entry/common.c:294
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x45a639
Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007f8616b4bc78 EFLAGS: 00000246 ORIG_RAX: 00000000000001a9
RAX: ffffffffffffffda RBX: 00007f8616b4bc90 RCX: 000000000045a639
RDX: 0000000000000000 RSI: 00000000200003c0 RDI: 00000000000006d2
RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f8616b4c6d4
R13: 00000000004c1d40 R14: 00000000004d5a18 R15: 0000000000000003
kasan: CONFIG_KASAN_INLINE enabled
kasan: GPF could be caused by NULL-ptr deref or user memory access
general protection fault: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 21892 Comm: syz-executor.1 Not tainted 5.4.0-rc8-next-20191120-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:__wake_up_common+0xdf/0x610 kernel/sched/wait.c:86
Code: 05 00 00 4c 8b 43 38 49 83 e8 18 49 8d 78 18 48 39 7d d0 0f 84 64 02 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 f9 48 c1 e9 03 <80> 3c 01 00 0f 85 0d 05 00 00 49 8b 40 18 89 55 b0 31 db 49 bc 00
RSP: 0018:ffff88805d76fb00 EFLAGS: 00010046
RAX: dffffc0000000000 RBX: ffff888094557120 RCX: 0000000000000000
RDX: 0000000000000001 RSI: 1ffffffff1391cee RDI: 0000000000000000
RBP: ffff88805d76fb58 R08: ffffffffffffffe8 R09: ffff88805d76fba8
R10: ffffed100baedf59 R11: 0000000000000003 R12: 0000000000000001
R13: 0000000000000286 R14: 0000000000000000 R15: 0000000000000003
FS:  00007f8616b4c700(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000004eab00 CR3: 000000009cd97000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 __wake_up_common_lock+0xea/0x150 kernel/sched/wait.c:123
 __wake_up+0xe/0x10 kernel/sched/wait.c:142
 io_cqring_ev_posted+0xaa/0x120 fs/io_uring.c:655
 io_cqring_overflow_flush+0x6d4/0xa90 fs/io_uring.c:702
 io_ring_ctx_wait_and_kill+0x20a/0x770 fs/io_uring.c:4399
 io_uring_create fs/io_uring.c:4736 [inline]
 io_uring_setup+0x123d/0x1ca0 fs/io_uring.c:4762
 __do_sys_io_uring_setup fs/io_uring.c:4775 [inline]
 __se_sys_io_uring_setup fs/io_uring.c:4772 [inline]
 __x64_sys_io_uring_setup+0x54/0x80 fs/io_uring.c:4772
 do_syscall_64+0xfa/0x790 arch/x86/entry/common.c:294
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x45a639
Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007f8616b4bc78 EFLAGS: 00000246 ORIG_RAX: 00000000000001a9
RAX: ffffffffffffffda RBX: 00007f8616b4bc90 RCX: 000000000045a639
RDX: 0000000000000000 RSI: 00000000200003c0 RDI: 00000000000006d2
RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f8616b4c6d4
R13: 00000000004c1d40 R14: 00000000004d5a18 R15: 0000000000000003
Modules linked in:
---[ end trace 270480d95854bb96 ]---
RIP: 0010:__wake_up_common+0xdf/0x610 kernel/sched/wait.c:86
Code: 05 00 00 4c 8b 43 38 49 83 e8 18 49 8d 78 18 48 39 7d d0 0f 84 64 02 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 f9 48 c1 e9 03 <80> 3c 01 00 0f 85 0d 05 00 00 49 8b 40 18 89 55 b0 31 db 49 bc 00
RSP: 0018:ffff88805d76fb00 EFLAGS: 00010046
RAX: dffffc0000000000 RBX: ffff888094557120 RCX: 0000000000000000
RDX: 0000000000000001 RSI: 1ffffffff1391cee RDI: 0000000000000000
RBP: ffff88805d76fb58 R08: ffffffffffffffe8 R09: ffff88805d76fba8
R10: ffffed100baedf59 R11: 0000000000000003 R12: 0000000000000001
R13: 0000000000000286 R14: 0000000000000000 R15: 0000000000000003
FS:  00007f8616b4c700(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000004eab00 CR3: 000000009cd97000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400