NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds ------------[ cut here ]------------ WARNING: CPU: 0 PID: 8107 at fs/inode.c:979 unlock_new_inode.cold+0x11/0x3f fs/inode.c:979 Kernel panic - not syncing: panic_on_warn set ... CPU: 0 PID: 8107 Comm: syz-executor890 Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1fc/0x2ef lib/dump_stack.c:118 panic+0x26a/0x50e kernel/panic.c:186 __warn.cold+0x20/0x5a kernel/panic.c:541 report_bug+0x262/0x2b0 lib/bug.c:183 fixup_bug arch/x86/kernel/traps.c:178 [inline] fixup_bug arch/x86/kernel/traps.c:173 [inline] do_error_trap+0x1d7/0x310 arch/x86/kernel/traps.c:296 invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:1038 RIP: 0010:unlock_new_inode.cold+0x11/0x3f fs/inode.c:979 Code: b3 e8 bf bc 6d f9 48 c7 c7 80 b0 74 88 e8 1e ee fe ff 0f 0b e9 4a 70 b4 f9 e8 a7 bc 6d f9 48 c7 c7 80 b0 74 88 e8 06 ee fe ff <0f> 0b b8 ff ff 37 00 4c 89 e2 48 c1 ea 03 48 c1 e0 2a 80 3c 02 00 RSP: 0018:ffff8880965af7e0 EFLAGS: 00010286 RAX: 0000000000000024 RBX: ffff88808da89368 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff814dff01 RDI: ffffed1012cb5eee RBP: 0000000000008000 R08: 0000000000000024 R09: 0000000000000000 R10: 0000000000000005 R11: 0000000000000000 R12: ffff88808da89438 R13: ffff88808da893f0 R14: 0000000000000000 R15: fffffffffffffffb nilfs_new_inode+0x61f/0x760 fs/nilfs2/inode.c:399 nilfs_create fs/nilfs2/namei.c:85 [inline] nilfs_create+0xfe/0x2f0 fs/nilfs2/namei.c:75 lookup_open+0x893/0x1a20 fs/namei.c:3235 do_last fs/namei.c:3327 [inline] path_openat+0x1094/0x2df0 fs/namei.c:3537 do_filp_open+0x18c/0x3f0 fs/namei.c:3567 do_sys_open+0x3b3/0x520 fs/open.c:1085 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f10c7ded339 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffd2efa9778 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f10c7ded339 RDX: 000000000000275a RSI: 0000000020000140 RDI: 00000000ffffff9c RBP: 00007f10c7dacba0 R08: 00005555566cd2c0 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f10c7dacc30 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 Kernel Offset: disabled Rebooting in 86400 seconds..