BUG: MAX_STACK_TRACE_ENTRIES too low!
turning off the locking correctness validator.
CPU: 0 PID: 27257 Comm: syz-executor704 Not tainted 5.2.0+ #36
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack /lib/dump_stack.c:77 [inline]
 dump_stack+0x1d8/0x2f8 /lib/dump_stack.c:113
 save_trace /kernel/locking/lockdep.c:473 [inline]
 mark_lock+0x52e/0x1850 /kernel/locking/lockdep.c:3583
 mark_usage /kernel/locking/lockdep.c:3505 [inline]
 __lock_acquire+0x6e3/0x4750 /kernel/locking/lockdep.c:3834
 lock_acquire+0x158/0x250 /kernel/locking/lockdep.c:4413
 flush_workqueue+0x17e/0x13f0 /kernel/workqueue.c:2774
 drain_workqueue+0xb9/0x500 /kernel/workqueue.c:2939
 destroy_workqueue+0x2b/0xb00 /kernel/workqueue.c:4320
 ucma_close+0x2a4/0x2c0 /drivers/infiniband/core/ucma.c:1771
 __fput+0x2e4/0x740 /fs/file_table.c:280
 ____fput+0x15/0x20 /fs/file_table.c:313
 task_work_run+0x17e/0x1b0 /kernel/task_work.c:113
 exit_task_work /./include/linux/task_work.h:22 [inline]
 do_exit+0x64c/0x2310 /kernel/exit.c:877
 do_group_exit+0x15c/0x2b0 /kernel/exit.c:981
 __do_sys_exit_group+0x17/0x20 /kernel/exit.c:992
 __se_sys_exit_group+0x14/0x20 /kernel/exit.c:990
 __x64_sys_exit_group+0x3b/0x40 /kernel/exit.c:990
 do_syscall_64+0xfe/0x140 /arch/x86/entry/common.c:296
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x43fd98
Code: Bad RIP value.
RSP: 002b:00007ffcc5c81fb8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000043fd98
RDX: 0000000000000000 RSI: 000000000000003c RDI: 0000000000000000
RBP: 00000000004bf630 R08: 00000000000000e7 R09: ffffffffffffffd0
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
R13: 00000000006d1180 R14: 0000000000000000 R15: 0000000000000000