rock: corrupted directory entry. extent=32, offset=2044, size=237 overlayfs: fs on './file0' does not support file handles, falling back to index=off. ------------[ cut here ]------------ WARNING: CPU: 0 PID: 9930 at fs/overlayfs/dir.c:521 ovl_create_or_link+0xc0e/0x1200 fs/overlayfs/dir.c:521 Kernel panic - not syncing: panic_on_warn set ... CPU: 0 PID: 9930 Comm: syz-executor.1 Not tainted 4.14.302-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x281 lib/dump_stack.c:58 panic+0x1f9/0x42d kernel/panic.c:183 __warn.cold+0x20/0x44 kernel/panic.c:547 report_bug+0x208/0x250 lib/bug.c:183 fixup_bug arch/x86/kernel/traps.c:177 [inline] fixup_bug arch/x86/kernel/traps.c:172 [inline] do_error_trap+0x195/0x2d0 arch/x86/kernel/traps.c:295 invalid_op+0x1b/0x40 arch/x86/entry/entry_64.S:967 RIP: 0010:ovl_create_or_link+0xc0e/0x1200 fs/overlayfs/dir.c:521 RSP: 0018:ffff88809eda7be0 EFLAGS: 00010216 RAX: 0000000000040000 RBX: ffff888047326548 RCX: ffffc900062e5000 RDX: 0000000000007751 RSI: ffffffff8231f56e RDI: ffff88808dca4cb8 RBP: ffff88804731a3b0 R08: 0000000000000282 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 000000000000a16d R14: ffff888047311750 R15: 1ffff11013db4f88 ovl_link+0x14f/0x190 fs/overlayfs/dir.c:614 vfs_link+0x6d5/0xb40 fs/namei.c:4266 SYSC_linkat fs/namei.c:4334 [inline] SyS_linkat+0x3e5/0x6a0 fs/namei.c:4290 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x5e/0xd3 RIP: 0033:0x7f933d12d0c9 RSP: 002b:00007f933b69f168 EFLAGS: 00000246 ORIG_RAX: 0000000000000056 RAX: ffffffffffffffda RBX: 00007f933d24cf80 RCX: 00007f933d12d0c9 RDX: 0000000000000000 RSI: 00000000200004c0 RDI: 0000000020000400 RBP: 00007f933d188ae9 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffc8611f46f R14: 00007f933b69f300 R15: 0000000000022000 Kernel Offset: disabled Rebooting in 86400 seconds..