kasan: CONFIG_KASAN_INLINE enabled kasan: CONFIG_KASAN_INLINE enabled kasan: GPF could be caused by NULL-ptr deref or user memory access kasan: GPF could be caused by NULL-ptr deref or user memory access general protection fault: 0000 [#1] PREEMPT SMP KASAN Modules linked in: CPU: 0 PID: 7933 Comm: syz-executor.5 Not tainted 4.14.196-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 task: ffff88809ff3e180 task.stack: ffff888084410000 RIP: 0010:locks_inode include/linux/fs.h:1060 [inline] RIP: 0010:locks_remove_file+0x86/0x420 fs/locks.c:2563 RSP: 0018:ffff888084417d70 EFLAGS: 00010202 RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000000 RDX: 000000000000000b RSI: 0000000000000001 RDI: 0000000000000058 RBP: ffff8880a5342040 R08: ffff8880aea2beb0 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: ffff8880a53421d8 R13: ffff8880a53420bc R14: ffff88807ee37040 R15: ffff8880a5342050 FS: 0000000001dfb940(0000) GS:ffff8880aea00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000001590004 CR3: 00000000a052c000 CR4: 00000000001406f0 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:00007ffd89375780 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 RAX: 0000000000000000 RBX: 0000000000000004 RCX: 0000000000416f01 RDX: 0000000000000001 RSI: 00000000011902c0 RDI: 0000000000000003 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 00007ffd89375870 R11: 0000000000000293 R12: 00000000011902c0 R13: 000000000000a291 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: ffff888084417d70 RIP: locks_remove_file+0x86/0x420 fs/locks.c:2563 RSP: ffff888084417d70 general protection fault: 0000 [#2] PREEMPT SMP KASAN Modules linked in: ---[ end trace 5881f116acba85f1 ]--- CPU: 1 PID: 7934 Comm: syz-executor.1 Tainted: G D 4.14.196-syzkaller #0