------------[ cut here ]------------ WARNING: CPU: 1 PID: 13895 at fs/io_uring.c:7081 io_rsrc_node_switch+0x2a5/0x390 fs/io_uring.c:7081 Modules linked in: CPU: 1 PID: 13895 Comm: syz-executor.0 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+0x2a5/0x390 fs/io_uring.c:7081 Code: ff 4d 85 e4 74 a4 48 83 c4 20 5b 5d 41 5c 41 5d 41 5e 41 5f e9 fc 00 99 ff e8 f7 00 99 ff 0f 0b e9 ee fd ff ff e8 eb 00 99 ff <0f> 0b e9 9d fd ff ff 4c 89 f7 e8 7c e0 dc ff eb 8b 4c 89 ef e8 72 RSP: 0018:ffffc9001806fd90 EFLAGS: 00010246 RAX: 0000000000040000 RBX: ffff8880528bc000 RCX: ffffc90002441000 RDX: 0000000000040000 RSI: ffffffff81db5d25 RDI: ffff8880528bc000 RBP: 0000000000000000 R08: 0000000000000dc0 R09: ffffffff8c0b37d3 R10: fffffbfff18166fa R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: ffff8880528bc808 R15: 0000000000000000 FS: 00007fefd2b42700(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f4ac4063010 CR3: 0000000024cc6000 CR4: 0000000000350ee0 Call Trace: io_uring_create fs/io_uring.c:9611 [inline] io_uring_setup+0xf75/0x2a80 fs/io_uring.c:9689 do_syscall_64+0x3a/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:00007fefd2b42108 EFLAGS: 00000202 ORIG_RAX: 00000000000001a9 RAX: ffffffffffffffda RBX: 000000000056bf60 RCX: 00000000004665f9 RDX: 0000000020e00000 RSI: 0000000020000180 RDI: 0000000000003162 RBP: 0000000020000180 R08: 0000000020000140 R09: 0000000020000140 R10: 00000000200000c0 R11: 0000000000000202 R12: 0000000020000140 R13: 0000000020e00000 R14: 00000000200000c0 R15: 0000000020ffb000