R13: 0000000020ffd000 R14: 0000000000000000 R15: 0000000020ffa000
general protection fault, probably for non-canonical address 0xdffffc0000000018: 0000 [#1] PREEMPT SMP KASAN
KASAN: null-ptr-deref in range [0x00000000000000c0-0x00000000000000c7]
CPU: 0 PID: 24375 Comm: syz-executor.2 Not tainted 5.12.0-rc5-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:io_commit_cqring+0x368/0x8f0 fs/io_uring.c:1318
Code: 40 04 00 00 48 89 e8 48 c1 e8 03 42 80 3c 28 00 74 08 48 89 ef e8 78 df de ff bb c0 00 00 00 48 03 5d 00 48 89 d8 48 c1 e8 03 <42> 8a 04 28 84 c0 4c 89 ed 0f 85 ed 04 00 00 44 89 33 49 83 c7 78
RSP: 0018:ffffc90018a0fcd8 EFLAGS: 00010006
RAX: 0000000000000018 RBX: 00000000000000c0 RCX: 0000000000040000
RDX: ffffc9000d319000 RSI: 000000000002c9c7 RDI: ffff88801ba7c600
RBP: ffff88801ba7c440 R08: dffffc0000000000 R09: fffff52003141f9a
R10: fffff52003141f9a R11: 0000000000000000 R12: ffff88801ba7c088
R13: dffffc0000000000 R14: 0000000000000000 R15: ffff88801ba7c000
FS:  00007fe87e417700(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 0000000051629000 CR4: 00000000001506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 io_kill_timeouts+0xfc/0x140 fs/io_uring.c:8606
 io_ring_ctx_wait_and_kill+0x218/0x360 fs/io_uring.c:8629
 io_uring_create fs/io_uring.c:9572 [inline]
 io_uring_setup fs/io_uring.c:9599 [inline]
 __do_sys_io_uring_setup fs/io_uring.c:9605 [inline]
 __se_sys_io_uring_setup+0x1132/0x2b10 fs/io_uring.c:9602
 do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x466459
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:00007fe87e417108 EFLAGS: 00000202 ORIG_RAX: 00000000000001a9
RAX: ffffffffffffffda RBX: 000000000056bf60 RCX: 0000000000466459
RDX: 0000000020ffd000 RSI: 0000000020006e40 RDI: 0000000000007174
RBP: 0000000020006e40 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000000
R13: 0000000020ffd000 R14: 0000000000000000 R15: 0000000020ffa000
Modules linked in:
---[ end trace 6741dbaf5e4c3383 ]---
RIP: 0010:io_commit_cqring+0x368/0x8f0 fs/io_uring.c:1318
Code: 40 04 00 00 48 89 e8 48 c1 e8 03 42 80 3c 28 00 74 08 48 89 ef e8 78 df de ff bb c0 00 00 00 48 03 5d 00 48 89 d8 48 c1 e8 03 <42> 8a 04 28 84 c0 4c 89 ed 0f 85 ed 04 00 00 44 89 33 49 83 c7 78
RSP: 0018:ffffc90018a0fcd8 EFLAGS: 00010006
RAX: 0000000000000018 RBX: 00000000000000c0 RCX: 0000000000040000
RDX: ffffc9000d319000 RSI: 000000000002c9c7 RDI: ffff88801ba7c600
RBP: ffff88801ba7c440 R08: dffffc0000000000 R09: fffff52003141f9a
R10: fffff52003141f9a R11: 0000000000000000 R12: ffff88801ba7c088
R13: dffffc0000000000 R14: 0000000000000000 R15: ffff88801ba7c000
FS:  00007fe87e417700(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 0000000051629000 CR4: 00000000001506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400