------------[ cut here ]------------ kernel BUG at fs/inode.c:509! invalid opcode: 0000 [#1] PREEMPT SMP KASAN Modules linked in: CPU: 0 PID: 6354 Comm: syz-executor.1 Not tainted 4.14.180-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 task: ffff88809cd00000 task.stack: ffff8880a9008000 RIP: 0010:clear_inode+0x155/0x1b0 fs/inode.c:509 RSP: 0018:ffff8880a900fc98 EFLAGS: 00010097 RAX: ffff88809cd00000 RBX: ffff888000800530 RCX: 000000008395dfd0 RDX: 0000000000000000 RSI: ffff88809cd00888 RDI: ffff888000800828 RBP: ffff888000800758 R08: 0000000000004ae1 R09: ffffffff8a084f48 R10: ffff88809cd00888 R11: ffff88809cd00000 R12: ffff888000800608 R13: ffff888000800558 R14: ffffffff8737a860 R15: 0000000000000001 FS: 000000000250c940(0000) GS:ffff8880aea00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000000073b138 CR3: 0000000097447000 CR4: 00000000001426f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: evict+0x4a1/0x5f0 fs/inode.c:558 iput_final fs/inode.c:1524 [inline] iput fs/inode.c:1551 [inline] iput+0x457/0x8d0 fs/inode.c:1536 dentry_unlink_inode+0x26e/0x330 fs/dcache.c:387 __dentry_kill+0x320/0x550 fs/dcache.c:591 dentry_kill fs/dcache.c:632 [inline] dput.part.0+0x578/0x710 fs/dcache.c:847 dput+0x1b/0x30 fs/dcache.c:811 __fput+0x445/0x790 fs/file_table.c:228 task_work_run+0x113/0x190 kernel/task_work.c:113 tracehook_notify_resume include/linux/tracehook.h:191 [inline] exit_to_usermode_loop+0x1d6/0x220 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+0x42/0xb7 RIP: 0033:0x416400 RSP: 002b:00007ffd3a687088 EFLAGS: 00000246 ORIG_RAX: 0000000000000003 RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000416400 RDX: 00000000000000e0 RSI: 00007ffd3a687150 RDI: 0000000000000003 RBP: 00007ffd3a6870a0 R08: 00007ffd3a68709c R09: 000000000000000a R10: 00007ffd3a6870a0 R11: 0000000000000246 R12: 0000000000000003 R13: 000000000073c4c0 R14: 000000000073bdc8 R15: 0000000000001380 Code: 03 80 3c 02 00 75 74 48 8b 83 c0 01 00 00 48 39 c5 75 36 e8 ae 4c c9 ff 48 c7 83 d8 00 00 00 60 00 00 00 5b 5d c3 e8 9b 4c c9 ff <0f> 0b e8 94 4c c9 ff 0f 0b e8 8d 4c c9 ff 0f 0b e8 86 4c c9 ff RIP: clear_inode+0x155/0x1b0 fs/inode.c:509 RSP: ffff8880a900fc98 ---[ end trace 8e10d1ed534cf52b ]---