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+0x185/0x1d0 lib/dump_stack.c:53
 fail_dump lib/fault-inject.c:51 [inline]
 should_fail+0x87b/0xab0 lib/fault-inject.c:149
==================================================================
BUG: KMSAN: uninit-value in core_kernel_text kernel/extable.c:77 [inline]
BUG: KMSAN: uninit-value in kernel_text_address+0x248/0x3a0 kernel/extable.c:127
CPU: 0 PID: 6637 Comm: syz-executor7 Not tainted 4.16.0+ #81
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+0x14a/0x1d0 lib/dump_stack.c:53
 kmsan_report+0x142/0x240 mm/kmsan/kmsan.c:1067
 __msan_warning_32+0x6c/0xb0 mm/kmsan/kmsan_instr.c:676
 core_kernel_text kernel/extable.c:77 [inline]
 kernel_text_address+0x248/0x3a0 kernel/extable.c:127
 __kernel_text_address+0x34/0xe0 kernel/extable.c:107
 show_trace_log_lvl+0x954/0x1030 arch/x86/kernel/dumpstack.c:175
 show_stack+0xfc/0x150 arch/x86/kernel/dumpstack.c:236
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x185/0x1d0 lib/dump_stack.c:53
 fail_dump lib/fault-inject.c:51 [inline]
 should_fail+0x87b/0xab0 lib/fault-inject.c:149
 should_failslab+0x279/0x2a0 mm/failslab.c:32
 slab_pre_alloc_hook mm/slab.h:422 [inline]
 slab_alloc_node mm/slub.c:2663 [inline]
 kmem_cache_alloc_node+0x151/0xc70 mm/slub.c:2779
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 1
 __alloc_skb+0x203/0x9f0 net/core/skbuff.c:194
 alloc_skb include/linux/skbuff.h:984 [inline]
 netlink_dump+0x407/0x1540 net/netlink/af_netlink.c:2206
 netlink_recvmsg+0xcd1/0x1720 net/netlink/af_netlink.c:1983
 sock_recvmsg_nosec net/socket.c:803 [inline]
 sock_recvmsg net/socket.c:810 [inline]
 SYSC_recvfrom+0x659/0x820 net/socket.c:1799
 SyS_recvfrom+0x8a/0xb0 net/socket.c:1771
 do_syscall_64+0x309/0x430 arch/x86/entry/common.c:287
 entry_SYSCALL_64_after_hwframe+0x3d/0xa2
RIP: 0033:0x455259
RSP: 002b:00007f4252349c68 EFLAGS: 00000246 ORIG_RAX: 000000000000002d
RAX: ffffffffffffffda RBX: 00007f425234a6d4 RCX: 0000000000455259
RDX: 0000000000000007 RSI: 0000000020000180 RDI: 0000000000000013
RBP: 000000000072bea0 R08: 0000000020000240 R09: 0000000000000080
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000014
R13: 000000000000048d R14: 00000000006f9dd8 R15: 0000000000000000

Local variable description: ----wait.i@d_alloc_parallel
Variable was created at:
 d_alloc_parallel+0x7b/0x22e0 fs/dcache.c:2469
 lookup_open fs/namei.c:3113 [inline]
 do_last fs/namei.c:3291 [inline]
 path_openat+0x13e8/0x6520 fs/namei.c:3520
==================================================================
Kernel panic - not syncing: panic_on_warn set ...

CPU: 0 PID: 6637 Comm: syz-executor7 Tainted: G    B            4.16.0+ #81
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+0x14a/0x1d0 lib/dump_stack.c:53
 panic+0x39d/0x940 kernel/panic.c:183
 kmsan_report+0x238/0x240 mm/kmsan/kmsan.c:1083
 __msan_warning_32+0x6c/0xb0 mm/kmsan/kmsan_instr.c:676
 core_kernel_text kernel/extable.c:77 [inline]
 kernel_text_address+0x248/0x3a0 kernel/extable.c:127
 __kernel_text_address+0x34/0xe0 kernel/extable.c:107
 show_trace_log_lvl+0x954/0x1030 arch/x86/kernel/dumpstack.c:175
 show_stack+0xfc/0x150 arch/x86/kernel/dumpstack.c:236
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x185/0x1d0 lib/dump_stack.c:53
 fail_dump lib/fault-inject.c:51 [inline]
 should_fail+0x87b/0xab0 lib/fault-inject.c:149
 should_failslab+0x279/0x2a0 mm/failslab.c:32
 slab_pre_alloc_hook mm/slab.h:422 [inline]
 slab_alloc_node mm/slub.c:2663 [inline]
 kmem_cache_alloc_node+0x151/0xc70 mm/slub.c:2779
 __alloc_skb+0x203/0x9f0 net/core/skbuff.c:194
 alloc_skb include/linux/skbuff.h:984 [inline]
 netlink_dump+0x407/0x1540 net/netlink/af_netlink.c:2206
 netlink_recvmsg+0xcd1/0x1720 net/netlink/af_netlink.c:1983
 sock_recvmsg_nosec net/socket.c:803 [inline]
 sock_recvmsg net/socket.c:810 [inline]
 SYSC_recvfrom+0x659/0x820 net/socket.c:1799
 SyS_recvfrom+0x8a/0xb0 net/socket.c:1771
 do_syscall_64+0x309/0x430 arch/x86/entry/common.c:287
 entry_SYSCALL_64_after_hwframe+0x3d/0xa2
RIP: 0033:0x455259
RSP: 002b:00007f4252349c68 EFLAGS: 00000246 ORIG_RAX: 000000000000002d
RAX: ffffffffffffffda RBX: 00007f425234a6d4 RCX: 0000000000455259
RDX: 0000000000000007 RSI: 0000000020000180 RDI: 0000000000000013
RBP: 000000000072bea0 R08: 0000000020000240 R09: 0000000000000080
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000014
R13: 000000000000048d R14: 00000000006f9dd8 R15: 0000000000000000
Dumping ftrace buffer:
   (ftrace buffer empty)
Kernel Offset: disabled
Rebooting in 86400 seconds..