kasan: CONFIG_KASAN_INLINE enabled
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: 1 PID: 23483 Comm: syz-executor.0 Not tainted 4.14.195-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
task: ffff88805a5426c0 task.stack: ffff8881fa708000
RIP: 0010:__read_once_size include/linux/compiler.h:183 [inline]
RIP: 0010:kasan_slab_free+0x34/0x1a0 mm/kasan/kasan.c:512
RSP: 0018:ffff8881fa70fb78 EFLAGS: 00010096
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: dffffc0000000000
RDX: 0000000000000004 RSI: 0000000000000000 RDI: dffffc0000000000
RBP: ffff8881fa70fda8 R08: 1ffff1101160cb1b R09: 0000000000000000
R10: 0000000000000000 R11: ffff88805a5426c0 R12: ffff8880aa50b380
R13: 0000000000000000 R14: ffffffff84e70bd0 R15: ffff88809b604cd0
FS:  00007f254dae3700(0000) GS:ffff8880aeb00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055daacdd3438 CR3: 0000000064c1a000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 __cache_free mm/slab.c:3496 [inline]
 kmem_cache_free+0x7c/0x2b0 mm/slab.c:3758
 security_file_free+0x42/0x80 security/security.c:879
 __fput+0x26c/0x7a0 fs/file_table.c:211
 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: 0033:0x45d5b9
RSP: 002b:00007f254dae2c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000e9
RAX: 0000000000000000 RBX: 0000000000002ac0 RCX: 000000000045d5b9
RDX: 0000000000000004 RSI: 0000000000000001 RDI: 0000000000000005
RBP: 000000000118cf88 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000020000040 R11: 0000000000000246 R12: 000000000118cf4c
R13: 00007fffac1133ef R14: 00007f254dae39c0 R15: 000000000118cf4c
Code: 00 48 b9 00 00 00 00 00 fc ff df 55 48 89 e5 41 55 49 89 f5 41 54 49 89 fc 48 89 f7 48 c1 ef 03 53 48 01 cf 48 81 ec 18 02 00 00 <0f> b6 07 3c 07 0f 87 20 01 00 00 49 63 44 24 74 48 83 e8 01 48 
RIP: __read_once_size include/linux/compiler.h:183 [inline] RSP: ffff8881fa70fb78
RIP: kasan_slab_free+0x34/0x1a0 mm/kasan/kasan.c:512 RSP: ffff8881fa70fb78
---[ end trace f15d21fbbab9963a ]---