WARNING: kmalloc bug in should

Kernel	Title	Rank 🛈	Repro	Cause bisect	Fix bisect	Count	Last	Reported	Patched	Status
upstream	WARNING: kmalloc bug in should_fail (2) mm	-1				1	2714d	2714d	0/29	closed as invalid on 2018/03/23 14:00
syz-executor4[26523] is installing a program with bpf_probe_write_user helper that may corrupt user memory!
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 0
WARNING: CPU: 0 PID: 26548 at mm/slab_common.c:1012 kmalloc_slab+0x5d/0x70 mm/slab_common.c:1012
CPU: 1 PID: 26547 Comm: syz-executor3 Not tainted 4.16.0-rc1+ #13
Kernel panic - not syncing: panic_on_warn set ...

Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x194/0x257 lib/dump_stack.c:53
 fail_dump lib/fault-inject.c:51 [inline]
 should_fail+0x8c0/0xa40 lib/fault-inject.c:149
 should_failslab+0xec/0x120 mm/failslab.c:32
 slab_pre_alloc_hook mm/slab.h:422 [inline]
 slab_alloc_node mm/slab.c:3286 [inline]
 kmem_cache_alloc_node_trace+0x5a/0x760 mm/slab.c:3648
 kmalloc_node include/linux/slab.h:550 [inline]
 kzalloc_node include/linux/slab.h:712 [inline]
 __get_vm_area_node+0xae/0x340 mm/vmalloc.c:1402
 __vmalloc_node_range+0xa3/0x650 mm/vmalloc.c:1754
 __vmalloc_node mm/vmalloc.c:1804 [inline]
 __vmalloc+0x45/0x50 mm/vmalloc.c:1810
 bpf_prog_alloc+0xaa/0x350 kernel/bpf/core.c:84
 bpf_prog_load+0x2e3/0x1bb0 kernel/bpf/syscall.c:1209
 SYSC_bpf kernel/bpf/syscall.c:1881 [inline]
 SyS_bpf+0xe0f/0x4860 kernel/bpf/syscall.c:1843
 do_syscall_64+0x282/0x940 arch/x86/entry/common.c:287
 entry_SYSCALL_64_after_hwframe+0x26/0x9b
RIP: 0033:0x453a59
RSP: 002b:00007f6088315c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00007f60883166d4 RCX: 0000000000453a59
RDX: 0000000000000048 RSI: 00000000200ba000 RDI: 0000000000000005
RBP: 000000000071bea0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000012
R13: 0000000000000045 R14: 00000000006f0718 R15: 0000000000000000
CPU: 0 PID: 26548 Comm: syz-executor1 Not tainted 4.16.0-rc1+ #13
syz-executor3: vmalloc: allocation failure: 4096 bytes, mode:0x14280c0(GFP_USER|__GFP_ZERO), nodemask=(null)
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x194/0x257 lib/dump_stack.c:53
syz-executor3 cpuset=
 panic+0x1e4/0x41c kernel/panic.c:183
/
 mems_allowed=0
 __warn+0x1dc/0x200 kernel/panic.c:547
 report_bug+0x211/0x2d0 lib/bug.c:184
 fixup_bug.part.11+0x37/0x80 arch/x86/kernel/traps.c:178
 fixup_bug arch/x86/kernel/traps.c:247 [inline]
 do_error_trap+0x2d7/0x3e0 arch/x86/kernel/traps.c:296
 do_invalid_op+0x1b/0x20 arch/x86/kernel/traps.c:315
 invalid_op+0x22/0x40 arch/x86/entry/entry_64.S:988
RIP: 0010:kmalloc_slab+0x5d/0x70 mm/slab_common.c:1012
RSP: 0018:ffff8801d49ef798 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 1ffff1003a93df22 RCX: ffffffff817e12fd
RDX: 0000000000000173 RSI: 0000000000000000 RDI: 0000000100000084
RBP: ffff8801d49ef798 R08: ffffed003a93df26 R09: ffffed003a93df26
R10: 0000000000000001 R11: ffffed003a93df26 R12: ffff8801bb144700
R13: ffff8801d49ef930 R14: 00000000014280c0 R15: 0000000040000021
 __do_kmalloc mm/slab.c:3700 [inline]
 __kmalloc+0x25/0x760 mm/slab.c:3714
 kmalloc_array include/linux/slab.h:631 [inline]
 kcalloc include/linux/slab.h:642 [inline]
 bpf_prog_array_copy_to_user+0x98/0x480 kernel/bpf/core.c:1593
 bpf_prog_array_copy_info+0x17b/0x1c0 kernel/bpf/core.c:1701
 perf_event_query_prog_array+0x196/0x280 kernel/trace/bpf_trace.c:877
 _perf_ioctl kernel/events/core.c:4737 [inline]
 perf_ioctl+0x3e1/0x1480 kernel/events/core.c:4757
 vfs_ioctl fs/ioctl.c:46 [inline]
 do_vfs_ioctl+0x1b1/0x1520 fs/ioctl.c:686
 SYSC_ioctl fs/ioctl.c:701 [inline]
 SyS_ioctl+0x8f/0xc0 fs/ioctl.c:692
 do_syscall_64+0x282/0x940 arch/x86/entry/common.c:287
 entry_SYSCALL_64_after_hwframe+0x26/0x9b
RIP: 0033:0x453a59
RSP: 002b:00007fe48aa7ac68 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007fe48aa7b6d4 RCX: 0000000000453a59
RDX: 0000000020fb4000 RSI: 00000000c008240a RDI: 0000000000000014
RBP: 000000000071bea0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
R13: 0000000000000277 R14: 00000000006f3bc8 R15: 0000000000000000
CPU: 1 PID: 26547 Comm: syz-executor3 Not tainted 4.16.0-rc1+ #13
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x194/0x257 lib/dump_stack.c:53
 warn_alloc+0x19a/0x2b0 mm/page_alloc.c:3306
 __vmalloc_node_range+0x4f0/0x650 mm/vmalloc.c:1775
 __vmalloc_node mm/vmalloc.c:1804 [inline]
 __vmalloc+0x45/0x50 mm/vmalloc.c:1810
 bpf_prog_alloc+0xaa/0x350 kernel/bpf/core.c:84
 bpf_prog_load+0x2e3/0x1bb0 kernel/bpf/syscall.c:1209
 SYSC_bpf kernel/bpf/syscall.c:1881 [inline]
 SyS_bpf+0xe0f/0x4860 kernel/bpf/syscall.c:1843
 do_syscall_64+0x282/0x940 arch/x86/entry/common.c:287
 entry_SYSCALL_64_after_hwframe+0x26/0x9b
RIP: 0033:0x453a59
RSP: 002b:00007f6088315c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00007f60883166d4 RCX: 0000000000453a59
RDX: 0000000000000048 RSI: 00000000200ba000 RDI: 0000000000000005
RBP: 000000000071bea0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000012
R13: 0000000000000045 R14: 00000000006f0718 R15: 0000000000000000
Dumping ftrace buffer:
   (ftrace buffer empty)
Kernel Offset: disabled
Rebooting in 86400 seconds..