general protection fault, probably for non-canonical address 0xffff000000000300: 0000 [#1] PREEMPT SMP KASAN
KASAN: maybe wild-memory-access in range [0xfff8200000001800-0xfff8200000001807]
CPU: 0 PID: 91 Comm: kworker/u4:4 Not tainted 5.19.0-syzkaller-14377-g9f162193d6e4 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022
Workqueue: events_unbound call_usermodehelper_exec_work
RIP: 0010:slab_alloc mm/slub.c:3251 [inline]
RIP: 0010:__kmem_cache_alloc_lru mm/slub.c:3258 [inline]
RIP: 0010:kmem_cache_alloc+0x12d/0x310 mm/slub.c:3268
Code: 84 1c 01 00 00 48 83 78 10 00 0f 84 11 01 00 00 49 8b 3f 40 f6 c7 0f 0f 85 e3 01 00 00 45 84 c0 0f 84 dc 01 00 00 41 8b 47 28 <49> 8b 5c 05 00 48 8d 4a 08 4c 89 e8 65 48 0f c7 0f 0f 94 c0 a8 01
RSP: 0000:ffffc90001caf708 EFLAGS: 00010202
RAX: 0000000000000300 RBX: 0000000000000dc0 RCX: 0000000000000000
RDX: 00000000000008f8 RSI: 0000000000000dc0 RDI: 00000000000409b0
RBP: ffffffff81512ee1 R08: dffffc0000000001 R09: fffffbfff1c4ade6
R10: fffffbfff1c4ade6 R11: 1ffffffff1c4ade5 R12: 1ffff92000395f1c
R13: ffff000000000000 R14: ffffffff81512ee1 R15: ffff888140006500
FS: 0000000000000000(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffff88823ffff000 CR3: 000000000ca8e000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
<TASK>
kmem_cache_zalloc include/linux/slab.h:723 [inline]
copy_signal+0x51/0x630 kernel/fork.c:1689
copy_process+0x19bd/0x4010 kernel/fork.c:2253
kernel_clone+0x22f/0x7a0 kernel/fork.c:2673
user_mode_thread+0x12d/0x190 kernel/fork.c:2742
call_usermodehelper_exec_work+0x57/0x220 kernel/umh.c:174
process_one_work+0x81c/0xd10 kernel/workqueue.c:2289
worker_thread+0xb14/0x1330 kernel/workqueue.c:2436
kthread+0x266/0x300 kernel/kthread.c:376
ret_from_fork+0x1f/0x30
</TASK>
Modules linked in:
----------------
Code disassembly (best guess):
0: 84 1c 01 test %bl,(%rcx,%rax,1)
3: 00 00 add %al,(%rax)
5: 48 83 78 10 00 cmpq $0x0,0x10(%rax)
a: 0f 84 11 01 00 00 je 0x121
10: 49 8b 3f mov (%r15),%rdi
13: 40 f6 c7 0f test $0xf,%dil
17: 0f 85 e3 01 00 00 jne 0x200
1d: 45 84 c0 test %r8b,%r8b
20: 0f 84 dc 01 00 00 je 0x202
26: 41 8b 47 28 mov 0x28(%r15),%eax
* 2a: 49 8b 5c 05 00 mov 0x0(%r13,%rax,1),%rbx <-- trapping instruction
2f: 48 8d 4a 08 lea 0x8(%rdx),%rcx
33: 4c 89 e8 mov %r13,%rax
36: 65 48 0f c7 0f cmpxchg16b %gs:(%rdi)
3b: 0f 94 c0 sete %al
3e: a8 01 test $0x1,%al