syzbot

------------[ cut here ]------------
time_after(jiffies, warn_timeout)
WARNING: io_uring/io-wq.c:1370 at io_wq_exit_workers io_uring/io-wq.c:1370 [inline], CPU#1: syz.1.3062/15053
WARNING: io_uring/io-wq.c:1370 at io_wq_put_and_exit+0x736/0xaa0 io_uring/io-wq.c:1399, CPU#1: syz.1.3062/15053
Modules linked in:
CPU: 1 UID: 0 PID: 15053 Comm: syz.1.3062 Tainted: G             L      syzkaller #0 PREEMPT(full) 
Tainted: [L]=SOFTLOCKUP
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
RIP: 0010:io_wq_exit_workers io_uring/io-wq.c:1370 [inline]
RIP: 0010:io_wq_put_and_exit+0x736/0xaa0 io_uring/io-wq.c:1399
Code: 78 22 e8 1d b9 14 fd 4c 89 e7 4c 89 fe e8 e2 0f fe 06 48 85 c0 75 18 e8 08 b9 14 fd 80 3c 2b 00 75 bb eb c5 e8 fb b8 14 fd 90 <0f> 0b 90 eb d8 e8 f0 b8 14 fd 4c 8b 2c 24 4d 8d 7d 08 4c 89 fd 48
RSP: 0018:ffffc9000408f838 EFLAGS: 00010293
RAX: ffffffff84b17bb5 RBX: 1ffffffff1cc1e50 RCX: ffff88802c2e0000
RDX: 0000000000000000 RSI: ffffffffffffe858 RDI: 0000000000000000
RBP: dffffc0000000000 R08: ffffffff9031abf7 R09: 1ffffffff206357e
R10: dffffc0000000000 R11: fffffbfff206357f R12: ffff88802e3b6018
R13: 000000010000fe58 R14: 0000000100011600 R15: 0000000000001b58
FS:  00007fc3958206c0(0000) GS:ffff888125353000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f3df31eb078 CR3: 00000000526db000 CR4: 0000000000350ef0
Call Trace:
 <TASK>
 io_uring_clean_tctx+0x12e/0x1b0 io_uring/tctx.c:253
 io_uring_cancel_generic+0x6c0/0x7d0 io_uring/cancel.c:655
 io_uring_files_cancel include/linux/io_uring.h:20 [inline]
 do_exit+0x39f/0x2360 kernel/exit.c:944
 do_group_exit+0x22d/0x2f0 kernel/exit.c:1147
 get_signal+0x121b/0x12c0 kernel/signal.c:3038
 arch_do_signal_or_restart+0xbb/0x860 arch/x86/kernel/signal.c:337
 __exit_to_user_mode_loop kernel/entry/common.c:66 [inline]
 exit_to_user_mode_loop+0x104/0x730 kernel/entry/common.c:101
 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:207 [inline]
 syscall_exit_to_user_mode_prepare include/linux/irq-entry-common.h:230 [inline]
 syscall_exit_to_user_mode include/linux/entry-common.h:318 [inline]
 do_syscall_64+0x353/0x580 arch/x86/entry/syscall_64.c:100
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fc39499ce59
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fc3958200e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffe00 RBX: 00007fc394c16098 RCX: 00007fc39499ce59
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007fc394c16098
RBP: 00007fc394c16090 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fc394c16128 R14: 00007ffd44dc2110 R15: 00007ffd44dc21f8
 </TASK>