RBP: 00000000200002c0 R08: 0000000020000340 R09: 0000000020000340
R10: 0000000020000500 R11: 0000000000000202 R12: 0000000020000340
R13: 0000000020001000 R14: 0000000020000500 R15: 0000000020ffe000
general protection fault, probably for non-canonical address 0xdffffc0000000018: 0000 [#1] PREEMPT SMP KASAN NOPTI
KASAN: null-ptr-deref in range [0x00000000000000c0-0x00000000000000c7]
CPU: 1 PID: 5330 Comm: syz-executor.2 Not tainted 5.17.0-next-20220323 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014
RIP: 0010:io_kill_timeouts+0x256/0x2bd
Code: 74 09 3c 03 7f 05 e8 86 4a 76 fd 49 8d bc 24 c0 00 00 00 b8 ff ff 37 00 44 8b ad 40 03 00 00 48 89 fa 48 c1 e0 2a 48 c1 ea 03 <8a> 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 09 84 d2 74 05 e8 be
RSP: 0018:ffff88801b0d7cf0 EFLAGS: 00010216
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000000018 RSI: 0000000000000002 RDI: 00000000000000c0
RBP: ffff888041d74000 R08: 0000000000000001 R09: ffffffff86a2283f
R10: fffffbfff0d44507 R11: 0000000000000001 R12: 0000000000000000
R13: 0000000000000000 R14: ffff888041d74040 R15: dffffc0000000000
FS: 00007fc29c3e3700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 000000001eaf8000 CR4: 0000000000350ee0
Call Trace:
io_ring_ctx_wait_and_kill+0x17b/0x2d6
io_uring_setup.cold+0xfc9/0x2592
do_syscall_64+0x3b/0x90
entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7fc29ee6db19
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:00007fc29c3e3108 EFLAGS: 00000202 ORIG_RAX: 00000000000001a9
RAX: ffffffffffffffda RBX: 00007fc29ef80f60 RCX: 00007fc29ee6db19
RDX: 0000000020001000 RSI: 00000000200002c0 RDI: 00000000002075de
RBP: 00000000200002c0 R08: 0000000020000340 R09: 0000000020000340
R10: 0000000020000500 R11: 0000000000000202 R12: 0000000020000340
R13: 0000000020001000 R14: 0000000020000500 R15: 0000000020ffe000
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:io_kill_timeouts+0x256/0x2bd
Code: 74 09 3c 03 7f 05 e8 86 4a 76 fd 49 8d bc 24 c0 00 00 00 b8 ff ff 37 00 44 8b ad 40 03 00 00 48 89 fa 48 c1 e0 2a 48 c1 ea 03 <8a> 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 09 84 d2 74 05 e8 be
RSP: 0018:ffff88801b0d7cf0 EFLAGS: 00010216
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000000018 RSI: 0000000000000002 RDI: 00000000000000c0
RBP: ffff888041d74000 R08: 0000000000000001 R09: ffffffff86a2283f
R10: fffffbfff0d44507 R11: 0000000000000001 R12: 0000000000000000
R13: 0000000000000000 R14: ffff888041d74040 R15: dffffc0000000000
FS: 00007fc29c3e3700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 000000001eaf8000 CR4: 0000000000350ee0
note: syz-executor.2[5330] exited with preempt_count 1
loop6: detected capacity change from 0 to 6
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 0
CPU: 0 PID: 5347 Comm: syz-executor.5 Tainted: G D 5.17.0-next-20220323 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014
Call Trace:
dump_stack_lvl+0x8b/0xb3
should_fail.cold+0x5/0xa
should_failslab+0x5/0x10
kmem_cache_alloc_trace+0x55/0x3c0
percpu_ref_init+0xdb/0x3d0
io_uring_setup.cold+0x49d/0x2592
do_syscall_64+0x3b/0x90
entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7efe77414b19
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:00007efe7498a108 EFLAGS: 00000202 ORIG_RAX: 00000000000001a9
RAX: ffffffffffffffda RBX: 00007efe77527f60 RCX: 00007efe77414b19
RDX: 0000000020001000 RSI: 00000000200002c0 RDI: 00000000002075de
RBP: 00000000200002c0 R08: 0000000020000340 R09: 0000000020000340
R10: 0000000020000500 R11: 0000000000000202 R12: 0000000020000340
R13: 0000000020001000 R14: 0000000020000500 R15: 0000000020ffe000
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 0
CPU: 0 PID: 5349 Comm: syz-executor.0 Tainted: G D 5.17.0-next-20220323 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014
Call Trace:
dump_stack_lvl+0x8b/0xb3
should_fail.cold+0x5/0xa
should_failslab+0x5/0x10
kmem_cache_alloc+0x5b/0x480
create_object.isra.0+0x3a/0xa20
__kmalloc+0x25b/0x440
io_uring_setup.cold+0x15b/0x2592
do_syscall_64+0x3b/0x90
entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7f83b58d2b19
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:00007f83b2e48108 EFLAGS: 00000202 ORIG_RAX: 00000000000001a9
RAX: ffffffffffffffda RBX: 00007f83b59e5f60 RCX: 00007f83b58d2b19
RDX: 0000000020001000 RSI: 00000000200002c0 RDI: 00000000002075de
RBP: 00000000200002c0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000000
R13: 0000000020001000 R14: 0000000000000000 R15: 0000000020ffe000
FAT-fs (loop6): Directory bread(block 6) failed
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 0
CPU: 1 PID: 5367 Comm: syz-executor.5 Tainted: G D 5.17.0-next-20220323 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014
Call Trace:
dump_stack_lvl+0x8b/0xb3
should_fail.cold+0x5/0xa
should_failslab+0x5/0x10
kmem_cache_alloc+0x5b/0x480
create_object.isra.0+0x3a/0xa20
kmem_cache_alloc_trace+0x22e/0x3c0
percpu_ref_init+0xdb/0x3d0
io_uring_setup.cold+0x49d/0x2592
do_syscall_64+0x3b/0x90
entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7efe77414b19
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:00007efe7498a108 EFLAGS: 00000202 ORIG_RAX: 00000000000001a9
RAX: ffffffffffffffda RBX: 00007efe77527f60 RCX: 00007efe77414b19
RDX: 0000000020001000 RSI: 00000000200002c0 RDI: 00000000002075de
RBP: 00000000200002c0 R08: 0000000020000340 R09: 0000000020000340
R10: 0000000020000500 R11: 0000000000000202 R12: 0000000020000340
R13: 0000000020001000 R14: 0000000020000500 R15: 0000000020ffe000
FAULT_INJECTION: forcing a failure.
name fail_page_alloc, interval 1, probability 0, space 0, times 0
CPU: 0 PID: 5368 Comm: syz-executor.0 Tainted: G D 5.17.0-next-20220323 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014
Call Trace:
dump_stack_lvl+0x8b/0xb3
should_fail.cold+0x5/0xa
prepare_alloc_pages+0x17b/0x500
__alloc_pages+0x131/0x4e0
alloc_pages+0x1a0/0x2f0
kmalloc_order+0x30/0xd0
kmalloc_order_trace+0x14/0xf0
io_uring_setup.cold+0x1e8/0x2592
do_syscall_64+0x3b/0x90
entry_SYSCALL_64_after_hwframe+0x44/0xae
loop6: detected capacity change from 0 to 6
RIP: 0033:0x7f83b58d2b19
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:00007f83b2e48108 EFLAGS: 00000202 ORIG_RAX: 00000000000001a9
RAX: ffffffffffffffda RBX: 00007f83b59e5f60 RCX: 00007f83b58d2b19
RDX: 0000000020001000 RSI: 00000000200002c0 RDI: 00000000002075de
RBP: 00000000200002c0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000000
R13: 0000000020001000 R14: 0000000000000000 R15: 0000000020ffe000
FAT-fs (loop6): Directory bread(block 6) failed
----------------
Code disassembly (best guess):
0: 74 09 je 0xb
2: 3c 03 cmp $0x3,%al
4: 7f 05 jg 0xb
6: e8 86 4a 76 fd callq 0xfd764a91
b: 49 8d bc 24 c0 00 00 lea 0xc0(%r12),%rdi
12: 00
13: b8 ff ff 37 00 mov $0x37ffff,%eax
18: 44 8b ad 40 03 00 00 mov 0x340(%rbp),%r13d
1f: 48 89 fa mov %rdi,%rdx
22: 48 c1 e0 2a shl $0x2a,%rax
26: 48 c1 ea 03 shr $0x3,%rdx
* 2a: 8a 14 02 mov (%rdx,%rax,1),%dl <-- trapping instruction
2d: 48 89 f8 mov %rdi,%rax
30: 83 e0 07 and $0x7,%eax
33: 83 c0 03 add $0x3,%eax
36: 38 d0 cmp %dl,%al
38: 7c 09 jl 0x43
3a: 84 d2 test %dl,%dl
3c: 74 05 je 0x43
3e: e8 .byte 0xe8
3f: be .byte 0xbe