general protection fault, probably for non-canonical address 0xdffffc0000000012: 0000 [#1] PREEMPT SMP KASAN
KASAN: null-ptr-deref in range [0x0000000000000090-0x0000000000000097]
CPU: 1 PID: 5750 Comm: syz-executor.3 Not tainted 6.0.0-rc1-next-20220819-syzkaller #0
syz-executor.3[5750] cmdline:
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022
RIP: 0010:vma_is_shmem+0x21/0x40 mm/shmem.c:254
Code: 73 02 e9 20 fc ff ff 66 90 53 48 89 fb e8 d7 02 cf ff 48 8d bb 90 00 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 75 10 48 81 bb 90 00 00 00 20 90 f7 89 5b 0f 94 c0 c3
RSP: 0018:ffffc90014e5fb68 EFLAGS: 00010206
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffc9000651f000
RDX: 0000000000000012 RSI: ffffffff81ad1279 RDI: 0000000000000090
RBP: ffff888083c03360 R08: 0000000000000006 R09: 000000000000066c
R10: 0000000000008001 R11: 0000000000000000 R12: 000000000000066c
R13: ffff888083c00000 R14: dffffc0000000000 R15: 0000000000000000
FS: 00007fbdf540f700(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000c00bd6a000 CR3: 0000000025d67000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
io_pin_pages+0x25f/0x430 io_uring/rsrc.c:1207
io_sqe_buffer_register+0x14e/0x13b0 io_uring/rsrc.c:1254
io_sqe_buffers_register.cold+0x351/0x445 io_uring/rsrc.c:1346
__io_uring_register io_uring/io_uring.c:3711 [inline]
__do_sys_io_uring_register+0x96d/0x1110 io_uring/io_uring.c:3878
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fbdf4289279
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 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fbdf540f168 EFLAGS: 00000246 ORIG_RAX: 00000000000001ab
RAX: ffffffffffffffda RBX: 00007fbdf439c050 RCX: 00007fbdf4289279
RDX: 0000000020000080 RSI: 0000000000000000 RDI: 0000000000000003
RBP: 00007fbdf42e3189 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffe2578163f R14: 00007fbdf540f300 R15: 0000000000022000
Modules linked in:
------------[ cut here ]------------
raw_local_irq_restore() called with IRQs enabled
WARNING: CPU: 0 PID: 5750 at kernel/locking/irqflag-debug.c:10 warn_bogus_irq_restore+0x1d/0x20 kernel/locking/irqflag-debug.c:10
Modules linked in:
CPU: 1 PID: 5750 Comm: syz-executor.3 Tainted: G D 6.0.0-rc1-next-20220819-syzkaller #0
syz-executor.3[5750] cmdline:
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022
RIP: 0010:warn_bogus_irq_restore+0x1d/0x20 kernel/locking/irqflag-debug.c:10
Code: ba ff cc cc cc cc cc cc cc cc cc cc cc 80 3d 6e 95 49 04 00 74 01 c3 48 c7 c7 a0 a3 ec 89 c6 05 5d 95 49 04 01 e8 ef ed ba ff <0f> 0b c3 44 8b 05 d5 cf 5e 04 55 53 65 48 8b 1c 25 80 6f 02 00 45
RSP: 0018:ffffc90014e5fa00 EFLAGS: 00010282
RAX: 0000000000000000 RBX: 0000000000000212 RCX: 0000000000000000
RDX: 0000000000040000 RSI: ffffffff816203c8 RDI: fffff520029cbf32
RBP: ffffc90014e5fab8 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000080000000 R11: 61636f6c5f776172 R12: 000000000000000b
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
FS: 00007fbdf540f700(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000c00762cf10 CR3: 0000000025d67000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
oops_end+0xae/0xf0 arch/x86/kernel/dumpstack.c:362
__exc_general_protection arch/x86/kernel/traps.c:774 [inline]
exc_general_protection+0x121/0x210 arch/x86/kernel/traps.c:719
asm_exc_general_protection+0x22/0x30 arch/x86/include/asm/idtentry.h:564
RIP: 0010:vma_is_shmem+0x21/0x40 mm/shmem.c:254
Code: 73 02 e9 20 fc ff ff 66 90 53 48 89 fb e8 d7 02 cf ff 48 8d bb 90 00 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 75 10 48 81 bb 90 00 00 00 20 90 f7 89 5b 0f 94 c0 c3
RSP: 0018:ffffc90014e5fb68 EFLAGS: 00010206
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffc9000651f000
RDX: 0000000000000012 RSI: ffffffff81ad1279 RDI: 0000000000000090
RBP: ffff888083c03360 R08: 0000000000000006 R09: 000000000000066c
R10: 0000000000008001 R11: 0000000000000000 R12: 000000000000066c
R13: ffff888083c00000 R14: dffffc0000000000 R15: 0000000000000000
io_pin_pages+0x25f/0x430 io_uring/rsrc.c:1207
io_sqe_buffer_register+0x14e/0x13b0 io_uring/rsrc.c:1254
io_sqe_buffers_register.cold+0x351/0x445 io_uring/rsrc.c:1346
__io_uring_register io_uring/io_uring.c:3711 [inline]
__do_sys_io_uring_register+0x96d/0x1110 io_uring/io_uring.c:3878
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fbdf4289279
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 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fbdf540f168 EFLAGS: 00000246 ORIG_RAX: 00000000000001ab
RAX: ffffffffffffffda RBX: 00007fbdf439c050 RCX: 00007fbdf4289279
RDX: 0000000020000080 RSI: 0000000000000000 RDI: 0000000000000003
RBP: 00007fbdf42e3189 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffe2578163f R14: 00007fbdf540f300 R15: 0000000000022000
----------------
Code disassembly (best guess):
0: 73 02 jae 0x4
2: e9 20 fc ff ff jmpq 0xfffffc27
7: 66 90 xchg %ax,%ax
9: 53 push %rbx
a: 48 89 fb mov %rdi,%rbx
d: e8 d7 02 cf ff callq 0xffcf02e9
12: 48 8d bb 90 00 00 00 lea 0x90(%rbx),%rdi
19: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax
20: fc ff df
23: 48 89 fa mov %rdi,%rdx
26: 48 c1 ea 03 shr $0x3,%rdx
* 2a: 80 3c 02 00 cmpb $0x0,(%rdx,%rax,1) <-- trapping instruction
2e: 75 10 jne 0x40
30: 48 81 bb 90 00 00 00 cmpq $0xffffffff89f79020,0x90(%rbx)
37: 20 90 f7 89
3b: 5b pop %rbx
3c: 0f 94 c0 sete %al
3f: c3 retq