R13: 0000000020ffc000 R14: 0000000020000200 R15: 00000000200001c0
------------[ cut here ]------------
percpu_ref_kill_and_confirm called more than once on io_ring_ctx_ref_free!
WARNING: CPU: 1 PID: 32673 at lib/percpu-refcount.c:382 percpu_ref_kill_and_confirm+0x169/0x1d0 lib/percpu-refcount.c:382
Modules linked in:
CPU: 1 PID: 32673 Comm: syz-executor.5 Not tainted 5.10.0-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:percpu_ref_kill_and_confirm+0x169/0x1d0 lib/percpu-refcount.c:382
Code: 5d 08 48 8d 7b 08 48 89 fa 48 c1 ea 03 80 3c 02 00 75 68 48 8b 53 08 48 c7 c6 c0 05 bf 89 48 c7 c7 e0 04 bf 89 e8 d9 a9 09 05 <0f> 0b 48 b8 00 00 00 00 00 fc ff df 48 89 ea 48 c1 ea 03 80 3c 02
RSP: 0018:ffffc90016bc7e18 EFLAGS: 00010082
RAX: 0000000000000000 RBX: ffff8880125cbb80 RCX: 0000000000000000
RDX: 0000000000040000 RSI: ffffffff815a6925 RDI: fffff52002d78fb5
RBP: ffff88807ba23000 R08: 0000000000000000 R09: 0000000000000000
R10: ffffffff815a4d7b R11: 0000000000000000 R12: 0000000000000246
R13: 0000000000000000 R14: 0000000000000002 R15: ffff88802fdb51a0
FS:  00007f075087e700(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b30121000 CR3: 000000008baca000 CR4: 00000000001506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 percpu_ref_kill include/linux/percpu-refcount.h:149 [inline]
 io_ring_ctx_wait_and_kill+0x2b/0x450 fs/io_uring.c:8649
 io_uring_release+0x3e/0x50 fs/io_uring.c:8687
 __fput+0x283/0x920 fs/file_table.c:280
 task_work_run+0xdd/0x190 kernel/task_work.c:140
 tracehook_notify_resume include/linux/tracehook.h:189 [inline]
 exit_to_user_mode_loop kernel/entry/common.c:174 [inline]
 exit_to_user_mode_prepare+0x1f0/0x200 kernel/entry/common.c:201
 __syscall_exit_to_user_mode_work kernel/entry/common.c:291 [inline]
 syscall_exit_to_user_mode+0x19/0x50 kernel/entry/common.c:302
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x45e149
Code: 0d b4 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 db b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007f075087dbe8 EFLAGS: 00000206 ORIG_RAX: 00000000000001a9
RAX: fffffffffffffff4 RBX: 0000000020000140 RCX: 000000000045e149
RDX: 0000000020ffd000 RSI: 0000000020000140 RDI: 0000000000000001
RBP: 00007f075087dca0 R08: 0000000020000200 R09: 0000000020000200
R10: 00000000200001c0 R11: 0000000000000206 R12: 0000000020ffd000
R13: 0000000020ffc000 R14: 0000000020000200 R15: 00000000200001c0