FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 1, space 0, times 100
CPU: 0 UID: 0 PID: 5323 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
Call Trace:
 <TASK>
 dump_stack_lvl+0xe8/0x150 lib/dump_stack.c:120
 fail_dump lib/fault-inject.c:73 [inline]
 should_fail_ex+0x40c/0x560 lib/fault-inject.c:174
 should_failslab+0xa8/0x100 mm/failslab.c:46
 slab_pre_alloc_hook mm/slub.c:4539 [inline]
 slab_alloc_node mm/slub.c:4897 [inline]
 kmem_cache_alloc_node_noprof+0xb3/0x610 mm/slub.c:4989
 preload_this_cpu_lock+0x49/0xc0 mm/vmalloc.c:1902
 alloc_vmap_area+0x3c3/0x1420 mm/vmalloc.c:2072
 __get_vm_area_node+0x1f2/0x300 mm/vmalloc.c:3226
 __vmalloc_node_range_noprof+0x358/0x1730 mm/vmalloc.c:4042
 __vmalloc_node_noprof+0xc2/0x100 mm/vmalloc.c:4143
 alloc_thread_stack_node kernel/fork.c:359 [inline]
 dup_task_struct+0x2a0/0x8e0 kernel/fork.c:929
 copy_process+0x820/0x4390 kernel/fork.c:2115
 kernel_clone+0x2d7/0x940 kernel/fork.c:2748
 __do_sys_clone kernel/fork.c:2889 [inline]
 __se_sys_clone kernel/fork.c:2873 [inline]
 __x64_sys_clone+0x1b6/0x230 kernel/fork.c:2873
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x174/0x580 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f77b919df99
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f77ba0daf98 EFLAGS: 00000246 ORIG_RAX: 0000000000000038
RAX: ffffffffffffffda RBX: 00007f77b9426090 RCX: 00007f77b919df99
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007f77b9234ec4 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f77b9426128 R14: 00007f77b9426090 R15: 00007ffc5cfb3e58
 </TASK>
------------[ cut here ]------------
ret
WARNING: mm/vmalloc.c:1820 at va_alloc+0xeb/0xec0 mm/vmalloc.c:1820, CPU#0: syz.0.0/5323
Modules linked in:
CPU: 0 UID: 0 PID: 5323 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
RIP: 0010:va_alloc+0xeb/0xec0 mm/vmalloc.c:1820
Code: 08 4c 89 ef e8 16 98 10 00 4d 8b 7d 00 48 89 df 4c 89 fe e8 97 69 a1 ff 4c 39 fb 76 27 e8 2d 67 a1 ff 49 c7 c6 ea ff ff ff 90 <0f> 0b 90 4c 89 f0 48 83 c4 58 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc
RSP: 0018:ffffc9000ef47550 EFLAGS: 00010287
RAX: ffffffff8225caea RBX: ffffc9000f039000 RCX: 0000000000100000
RDX: ffffc90020001000 RSI: 000000000000cccb RDI: 000000000000cccc
RBP: ffff88803ff20a90 R08: 00000000ffffffff R09: 1ffffffff1d94962
R10: dffffc0000000000 R11: fffffbfff1d94963 R12: 1ffff11007fe4152
R13: ffffc9000f030000 R14: fffffffffffffff4 R15: 0000000000000000
FS:  00007f77ba0db6c0(0000) GS:ffff88808c543000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f77ba0d9f68 CR3: 0000000044da0000 CR4: 0000000000352ef0
Call Trace:
 <TASK>
 __alloc_vmap_area mm/vmalloc.c:1855 [inline]
 alloc_vmap_area+0x907/0x1420 mm/vmalloc.c:2073
 __get_vm_area_node+0x1f2/0x300 mm/vmalloc.c:3226
 __vmalloc_node_range_noprof+0x358/0x1730 mm/vmalloc.c:4042
 __vmalloc_node_noprof+0xc2/0x100 mm/vmalloc.c:4143
 alloc_thread_stack_node kernel/fork.c:359 [inline]
 dup_task_struct+0x2a0/0x8e0 kernel/fork.c:929
 copy_process+0x820/0x4390 kernel/fork.c:2115
 kernel_clone+0x2d7/0x940 kernel/fork.c:2748
 __do_sys_clone kernel/fork.c:2889 [inline]
 __se_sys_clone kernel/fork.c:2873 [inline]
 __x64_sys_clone+0x1b6/0x230 kernel/fork.c:2873
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x174/0x580 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f77b919df99
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f77ba0daf98 EFLAGS: 00000246 ORIG_RAX: 0000000000000038
RAX: ffffffffffffffda RBX: 00007f77b9426090 RCX: 00007f77b919df99
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007f77b9234ec4 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f77b9426128 R14: 00007f77b9426090 R15: 00007ffc5cfb3e58
 </TASK>