general protection fault, probably for non-canonical address 0xdffffc0000000022: 0000 [#1] PREEMPT SMP KASAN KASAN: null-ptr-deref in range [0x0000000000000110-0x0000000000000117] CPU: 0 PID: 28470 Comm: syz-executor.0 Not tainted 5.11.0-rc3-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:io_ring_set_wakeup_flag fs/io_uring.c:6929 [inline] RIP: 0010:io_disable_sqo_submit fs/io_uring.c:8891 [inline] RIP: 0010:io_uring_create fs/io_uring.c:9711 [inline] RIP: 0010:io_uring_setup fs/io_uring.c:9739 [inline] RIP: 0010:__do_sys_io_uring_setup fs/io_uring.c:9745 [inline] RIP: 0010:__se_sys_io_uring_setup+0x2abb/0x37b0 fs/io_uring.c:9742 Code: c0 00 00 00 48 89 d8 48 c1 e8 03 42 80 3c 28 00 74 08 48 89 df e8 c5 31 de ff 41 be 14 01 00 00 4c 03 33 4c 89 f0 48 c1 e8 03 <42> 8a 04 28 84 c0 0f 85 46 06 00 00 41 80 0e 01 48 8b 7c 24 30 e8 RSP: 0018:ffffc90001dafca0 EFLAGS: 00010007 RAX: 0000000000000022 RBX: ffff88802be230c0 RCX: 0000000000000001 RDX: dffffc0000000000 RSI: 0000000000000004 RDI: ffffc90001dafb80 RBP: ffffc90001daff38 R08: dffffc0000000000 R09: 0000000000000003 R10: fffff520003b5f71 R11: 0000000000000004 R12: 0000000000000001 R13: dffffc0000000000 R14: 0000000000000114 R15: 00000000fffffff4 FS: 00007f5e2f66c700(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000016b9e60 CR3: 000000001342c000 CR4: 00000000001506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x45e219 Code: 0d b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 db b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f5e2f66bbe8 EFLAGS: 00000206 ORIG_RAX: 00000000000001a9 RAX: ffffffffffffffda RBX: 0000000020000040 RCX: 000000000045e219 RDX: 0000000020ffc000 RSI: 0000000020000040 RDI: 0000000000003416 RBP: 00007f5e2f66bca0 R08: 0000000020000100 R09: 0000000020000100 R10: 00000000200000c0 R11: 0000000000000206 R12: 0000000020ffc000 R13: 0000000020ffc000 R14: 0000000020000100 R15: 00000000200000c0 Modules linked in: ---[ end trace dac83311b0b45c40 ]--- RIP: 0010:io_ring_set_wakeup_flag fs/io_uring.c:6929 [inline] RIP: 0010:io_disable_sqo_submit fs/io_uring.c:8891 [inline] RIP: 0010:io_uring_create fs/io_uring.c:9711 [inline] RIP: 0010:io_uring_setup fs/io_uring.c:9739 [inline] RIP: 0010:__do_sys_io_uring_setup fs/io_uring.c:9745 [inline] RIP: 0010:__se_sys_io_uring_setup+0x2abb/0x37b0 fs/io_uring.c:9742 Code: c0 00 00 00 48 89 d8 48 c1 e8 03 42 80 3c 28 00 74 08 48 89 df e8 c5 31 de ff 41 be 14 01 00 00 4c 03 33 4c 89 f0 48 c1 e8 03 <42> 8a 04 28 84 c0 0f 85 46 06 00 00 41 80 0e 01 48 8b 7c 24 30 e8 RSP: 0018:ffffc90001dafca0 EFLAGS: 00010007 RAX: 0000000000000022 RBX: ffff88802be230c0 RCX: 0000000000000001 RDX: dffffc0000000000 RSI: 0000000000000004 RDI: ffffc90001dafb80 RBP: ffffc90001daff38 R08: dffffc0000000000 R09: 0000000000000003 R10: fffff520003b5f71 R11: 0000000000000004 R12: 0000000000000001 R13: dffffc0000000000 R14: 0000000000000114 R15: 00000000fffffff4 FS: 00007f5e2f66c700(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000016b9e60 CR3: 000000001342c000 CR4: 00000000001506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400