NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds ------------[ cut here ]------------ WARNING: CPU: 0 PID: 10035 at fs/nilfs2/dat.c:167 nilfs_dat_prepare_end+0x1e8/0x2e0 fs/nilfs2/dat.c:167 Kernel panic - not syncing: panic_on_warn set ... CPU: 0 PID: 10035 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 ISO 9660 Extensions: Microsoft Joliet Level 0 invalid_op+0x1b/0x40 arch/x86/entry/entry_64.S:967 RIP: 0010:nilfs_dat_prepare_end+0x1e8/0x2e0 fs/nilfs2/dat.c:167 RSP: 0018:ffff888049d179c8 EFLAGS: 00010212 RAX: 0000000000040000 RBX: ffff888049d17a30 RCX: ffffc90006bea000 RDX: 0000000000002771 RSI: ffffffff826e0948 RDI: ffff88804092d5a0 RBP: ffff888049d17a48 R08: 0000000000000000 R09: 0000000000000004 R10: 0000000000000000 R11: 0000000000000000 R12: 00000000fffffffe R13: ffff88808d3f86f8 R14: ffff88808d3f86f8 R15: ffff888040940230 nilfs_bmap_prepare_end_ptr fs/nilfs2/bmap.h:220 [inline] nilfs_direct_delete+0x1b7/0x250 fs/nilfs2/direct.c:164 nilfs_bmap_do_delete+0x1d8/0x280 fs/nilfs2/bmap.c:185 nilfs_bmap_do_truncate fs/nilfs2/bmap.c:273 [inline] nilfs_bmap_truncate+0xe9/0x280 fs/nilfs2/bmap.c:306 nilfs_truncate_bmap+0x101/0x2c0 fs/nilfs2/inode.c:867 nilfs_evict_inode+0x11b/0x3a0 fs/nilfs2/inode.c:955 evict+0x2c8/0x700 fs/inode.c:554 iput_final fs/inode.c:1523 [inline] iput+0x458/0x7e0 fs/inode.c:1550 do_unlinkat+0x35b/0x5c0 fs/namei.c:4100 SYSC_unlinkat fs/namei.c:4136 [inline] SyS_unlinkat+0x33/0x70 fs/namei.c:4128 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x5e/0xd3 RIP: 0033:0x7f65d70d30c9 RSP: 002b:00007f65d5645168 EFLAGS: 00000246 ORIG_RAX: 0000000000000107 RAX: ffffffffffffffda RBX: 00007f65d71f2f80 RCX: 00007f65d70d30c9 RDX: 0000000000000000 RSI: 0000000020000200 RDI: 0000000000000004 RBP: 00007f65d712eae9 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fffdb75b10f R14: 00007f65d5645300 R15: 0000000000022000 Kernel Offset: disabled Rebooting in 86400 seconds..