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: 3581 Comm: syzkaller424074 Not tainted 4.16.0+ #83
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
 kmem_cache_zalloc include/linux/slab.h:691 [inline]
 mmap_region+0x1c90/0x33b0 mm/mmap.c:1673
 do_mmap+0x16ac/0x1830 mm/mmap.c:1483
 do_mmap_pgoff include/linux/mm.h:2223 [inline]
 vm_mmap_pgoff+0x31b/0x430 mm/util.c:355
 SYSC_mmap_pgoff+0x260/0xaf0 mm/mmap.c:1533
 SyS_mmap_pgoff+0x8a/0xb0 mm/mmap.c:1491
 SYSC_mmap+0x172/0x1a0 arch/x86/kernel/sys_x86_64.c:100
 SyS_mmap+0x85/0xb0 arch/x86/kernel/sys_x86_64.c:91
 do_syscall_64+0x309/0x430 arch/x86/entry/common.c:287
 entry_SYSCALL_64_after_hwframe+0x3d/0xa2
RIP: 0033:0x440429
RSP: 002b:00007ffd20a36c58 EFLAGS: 00000212 ORIG_RAX: 0000000000000009
RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 0000000000440429
RDX: 0000000000000003 RSI: 0000000001000000 RDI: 0000000020000000
RBP: 00000000006cb018 R08: 00000000ffffffff R09: 0000000000000000
R10: 0000000000000032 R11: 0000000000000212 R12: 0000000000401d10
R13: 0000000000401da0 R14: 0000000000000000 R15: 0000000000000000

Local variable description: ----name@__fsnotify_parent
Variable was created at:
 __fsnotify_parent+0x75/0x560 fs/notify/fsnotify.c:147
 fsnotify_parent include/linux/fsnotify.h:26 [inline]
 fsnotify_perm include/linux/fsnotify.h:52 [inline]
 security_file_open+0x28f/0x3c0 security/security.c:975
==================================================================