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: 1 PID: 6570 Comm: syz-executor2 Not tainted 4.16.0+ #82
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]
 slab_alloc mm/slub.c:2745 [inline]
 kmem_cache_alloc+0x136/0xb90 mm/slub.c:2750
 sock_alloc_inode+0x5f/0x2b0 net/socket.c:244
 alloc_inode fs/inode.c:209 [inline]
 new_inode_pseudo+0x8a/0x430 fs/inode.c:890
 sock_alloc net/socket.c:565 [inline]
 SYSC_accept4+0x2db/0x1100 net/socket.c:1541
 SyS_accept4+0x64/0x90 net/socket.c:1522
 SYSC_accept+0x99/0xb0 net/socket.c:1605
 SyS_accept+0x55/0x80 net/socket.c:1602
 do_syscall_64+0x309/0x430 arch/x86/entry/common.c:287
 entry_SYSCALL_64_after_hwframe+0x3d/0xa2
RIP: 0033:0x455259
RSP: 002b:00007f97dbcbdc68 EFLAGS: 00000246 ORIG_RAX: 000000000000002b
RAX: ffffffffffffffda RBX: 00007f97dbcbe6d4 RCX: 0000000000455259
RDX: 0000000020000080 RSI: 0000000020000000 RDI: 0000000000000013
RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000016
R13: 0000000000000000 R14: 00000000006f30a0 R15: 0000000000000000

Local variable description: ----flags.i.i.i.i@__local_bh_enable_ip
Variable was created at:
 __local_bh_enable_ip+0x3b/0x140 kernel/softirq.c:159
 __raw_read_unlock_bh include/linux/rwlock_api_smp.h:251 [inline]
 _raw_read_unlock_bh+0x50/0x70 kernel/locking/spinlock.c:272
==================================================================