==================================================================
QAT: Invalid ioctl
BUG: KMSAN: uninit-value in update_stack_state+0x673/0xa40 arch/x86/kernel/unwind_frame.c:222
CPU: 1 PID: 8424 Comm: syz-executor6 Not tainted 4.16.0+ #84
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
 update_stack_state+0x673/0xa40 arch/x86/kernel/unwind_frame.c:222
 unwind_next_frame+0x618/0xe50 arch/x86/kernel/unwind_frame.c:329
 show_trace_log_lvl+0xb49/0x1030 arch/x86/kernel/dumpstack.c:212
QAT: Invalid ioctl
 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
 dst_alloc+0x295/0x830 net/core/dst.c:104
 __ip6_dst_alloc net/ipv6/route.c:361 [inline]
 ip6_dst_alloc net/ipv6/route.c:376 [inline]
 ip6_route_info_create+0xcb9/0x45a0 net/ipv6/route.c:2665
 ip6_route_add+0xa2/0x300 net/ipv6/route.c:2883
 ipv6_route_ioctl+0x56e/0x590 net/ipv6/route.c:3403
 inet6_ioctl+0x239/0x380 net/ipv6/af_inet6.c:523
 sock_do_ioctl+0x13b/0x6b0 net/socket.c:958
 sock_ioctl+0x4da/0xbf0 net/socket.c:1081
QAT: Invalid ioctl
 vfs_ioctl fs/ioctl.c:46 [inline]
 do_vfs_ioctl+0xaf0/0x2440 fs/ioctl.c:686
 SYSC_ioctl+0x1d2/0x260 fs/ioctl.c:701
 SyS_ioctl+0x54/0x80 fs/ioctl.c:692
 do_syscall_64+0x309/0x430 arch/x86/entry/common.c:287
 entry_SYSCALL_64_after_hwframe+0x3d/0xa2
RIP: 0033:0x455329
RSP: 002b:00007ffba82fec68 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007ffba82ff6d4 RCX: 0000000000455329
RDX: 0000000020000180 RSI: 000000000000890b RDI: 0000000000000013
RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000014
R13: 000000000000038d R14: 00000000006f85d8 R15: 0000000000000000

Local variable description: ----wait.i@d_alloc_parallel
Variable was created at:
 d_alloc_parallel+0x7b/0x22e0 fs/dcache.c:2469
 lookup_slow+0x1a0/0x760 fs/namei.c:1617