kasan: CONFIG_KASAN_INLINE enabled
kasan: GPF could be caused by NULL-ptr deref or user memory access
ODEBUG: free active (active state 1) object type: rcu_head hint:           (null)
------------[ cut here ]------------
WARNING: CPU: 0 PID: 24443 at lib/debugobjects.c:287 debug_print_object.cold+0xa7/0xdb lib/debugobjects.c:287
Kernel panic - not syncing: panic_on_warn set ...

general protection fault: 0000 [#1] PREEMPT SMP KASAN
Modules linked in:
CPU: 1 PID: 24432 Comm: syz-executor.4 Not tainted 4.14.196-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
task: ffff88809ba5e6c0 task.stack: ffff88807c120000
RIP: 0010:locks_inode include/linux/fs.h:1060 [inline]
RIP: 0010:locks_remove_file+0x86/0x420 fs/locks.c:2563
RSP: 0018:ffff88807c127d70 EFLAGS: 00010202
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 000000000000000b RSI: 0000000000000001 RDI: 0000000000000058
RBP: ffff88809f067a80 R08: ffff8880aea2beb0 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffff88809f067c18
R13: ffff88809f067afc R14: ffff88809b780b70 R15: ffff88809f067a90
FS:  0000000002ba8940(0000) GS:ffff8880aeb00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f4de98d4db8 CR3: 000000008e1b6000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 __fput+0x1ca/0x7a0 fs/file_table.c:202
 task_work_run+0x11f/0x190 kernel/task_work.c:113
 tracehook_notify_resume include/linux/tracehook.h:191 [inline]
 exit_to_usermode_loop+0x1ad/0x200 arch/x86/entry/common.c:164
 prepare_exit_to_usermode arch/x86/entry/common.c:199 [inline]
 syscall_return_slowpath arch/x86/entry/common.c:270 [inline]
 do_syscall_64+0x4a3/0x640 arch/x86/entry/common.c:297
 entry_SYSCALL_64_after_hwframe+0x46/0xbb
RIP: 0033:0x416f01
RSP: 002b:00007ffda37a3a90 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
RAX: 0000000000000000 RBX: 0000000000000005 RCX: 0000000000416f01
RDX: 0000000000000000 RSI: 0000000001190208 RDI: 0000000000000004
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 00007ffda37a3b80 R11: 0000000000000293 R12: 0000000001190300
R13: 000000000002f52e R14: ffffffffffffffff R15: 000000000118cfec
Code: 18 48 89 f8 48 c1 e8 03 80 3c 18 00 0f 85 83 03 00 00 48 b8 00 00 00 00 00 fc ff df 48 8b 5d 18 48 8d 7b 58 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 56 03 00 00 48 b8 00 00 00 00 00 fc ff df 48 
RIP: locks_inode include/linux/fs.h:1060 [inline] RSP: ffff88807c127d70
RIP: locks_remove_file+0x86/0x420 fs/locks.c:2563 RSP: ffff88807c127d70
Kernel Offset: disabled

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