------------[ cut here ]------------ WARNING: CPU: 1 PID: 13744 at fs/io_uring.c:7081 io_rsrc_node_switch_start fs/io_uring.c:7107 [inline] WARNING: CPU: 1 PID: 13744 at fs/io_uring.c:7081 io_uring_create fs/io_uring.c:9610 [inline] WARNING: CPU: 1 PID: 13744 at fs/io_uring.c:7081 io_uring_setup fs/io_uring.c:9689 [inline] WARNING: CPU: 1 PID: 13744 at fs/io_uring.c:7081 __do_sys_io_uring_setup fs/io_uring.c:9695 [inline] WARNING: CPU: 1 PID: 13744 at fs/io_uring.c:7081 __se_sys_io_uring_setup+0x2059/0x3100 fs/io_uring.c:9692 Modules linked in: CPU: 0 PID: 13744 Comm: syz-executor.2 Not tainted 5.12.0-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:io_rsrc_node_switch fs/io_uring.c:7107 [inline] RIP: 0010:io_uring_create fs/io_uring.c:9611 [inline] RIP: 0010:io_uring_setup fs/io_uring.c:9689 [inline] RIP: 0010:__do_sys_io_uring_setup fs/io_uring.c:9695 [inline] RIP: 0010:__se_sys_io_uring_setup+0x2059/0x3100 fs/io_uring.c:9692 Code: dc ff eb 05 e8 78 09 97 ff 48 b8 00 00 00 00 00 fc ff df 41 80 7c 05 00 00 74 08 4c 89 ff e8 ce a1 dd ff 49 c7 07 00 00 00 00 <0f> 0b e9 e1 00 00 00 e8 4b 09 97 ff 49 8d 5c 24 10 48 89 d8 48 c1 RSP: 0018:ffffc90001d3fd00 EFLAGS: 00010246 RAX: dffffc0000000000 RBX: 00000000fffffff4 RCX: 84f59e3413e0d200 RDX: dffffc0000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffffc90001d3ff20 R08: ffffffff81850d20 R09: fffffbfff1a60ef9 R10: fffffbfff1a60ef9 R11: 0000000000000000 R12: ffff88802175ee00 R13: 1ffff11002a34501 R14: ffff88802175ee00 R15: ffff8880151a2808 FS: 00007f46c4fbd700(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000528430 CR3: 0000000019fd9000 CR4: 00000000001506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: do_syscall_64+0x3f/0xb0 arch/x86/entry/common.c:47 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x4665f9 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f46c4fbd188 EFLAGS: 00000246 ORIG_RAX: 00000000000001a9 RAX: ffffffffffffffda RBX: 000000000056bf60 RCX: 00000000004665f9 RDX: 0000000000000000 RSI: 00000000200003c0 RDI: 0000000000004cd1 RBP: 00000000004bfce1 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056bf60 R13: 00007fff2f71902f R14: 00007f46c4fbd300 R15: 0000000000022000