RBP: 00007fbbed498090 R08: 0000000000000000 R09: 0000000000000002 R10: 0000000000000006 R11: 0000000000000246 R12: 0000000000000001 R13: 00007fbbec816128 R14: 00007fbbec816090 R15: 00007ffd31cdf968 ------------[ cut here ]------------ !test_bit(IO_WQ_BIT_EXIT, &wq->state) WARNING: io_uring/io-wq.c:1396 at io_wq_put_and_exit+0x8a7/0x9d0 io_uring/io-wq.c:1396, CPU#0: syz.4.1823/14137 Modules linked in: CPU: 0 UID: 0 PID: 14137 Comm: syz.4.1823 Tainted: G U L syzkaller #0 PREEMPT(full) Tainted: [U]=USER, [L]=SOFTLOCKUP Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 RIP: 0010:io_wq_put_and_exit+0x8a7/0x9d0 io_uring/io-wq.c:1396 Code: ff e8 9d 18 18 fd 44 0f b6 74 24 78 31 ff 44 89 f6 e8 dd 12 18 fd 45 84 f6 0f 85 1a fd ff ff e9 67 fd ff ff e8 7a 18 18 fd 90 <0f> 0b 90 e9 00 f8 ff ff e8 2c dc 83 fd e9 72 f8 ff ff 48 8b 3c 24 RSP: 0018:ffffc9000371fbd0 EFLAGS: 00010293 RAX: 0000000000000000 RBX: ffff88802da90000 RCX: ffffffff84effe06 RDX: ffff888031b65c40 RSI: ffffffff84f00606 RDI: ffff888031b65c40 RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000001 R12: 1ffff920006e3f9c R13: 0000000000000000 R14: ffff888031b665a8 R15: ffff888035747818 FS: 00007fbbed4986c0(0000) GS:ffff8881242fb000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fbbec5e9f00 CR3: 000000005993e000 CR4: 00000000003526f0 Call Trace: __io_uring_add_tctx_node+0x3e8/0x4c0 io_uring/tctx.c:174 __io_uring_add_tctx_node_from_submit+0x89/0x130 io_uring/tctx.c:189 io_uring_add_tctx_node io_uring/tctx.h:32 [inline] __do_sys_io_uring_enter+0x1656/0x1b50 io_uring/io_uring.c:2629 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x10b/0xf80 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fbbec59c819 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:00007fbbed498028 EFLAGS: 00000246 ORIG_RAX: 00000000000001aa RAX: ffffffffffffffda RBX: 00007fbbec816090 RCX: 00007fbbec59c819 RDX: 00000000ffffffff RSI: 0000000000000004 RDI: 0000000000000003 RBP: 00007fbbed498090 R08: 0000000000000000 R09: 0000000000000002 R10: 0000000000000006 R11: 0000000000000246 R12: 0000000000000001 R13: 00007fbbec816128 R14: 00007fbbec816090 R15: 00007ffd31cdf968