Warning: Permanently added '10.128.1.39' (ECDSA) to the list of known hosts.
[   33.307328] IPVS: ftp: loaded support on port[0] = 21
executing program
[   33.377106] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024)
[   33.397792] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[   33.423389] ------------[ cut here ]------------
[   33.428386] WARNING: CPU: 1 PID: 8126 at fs/nilfs2/dat.c:186 nilfs_dat_commit_end.cold+0x11/0x18
[   33.437304] Kernel panic - not syncing: panic_on_warn set ...
[   33.437304] 
[   33.444660] CPU: 1 PID: 8126 Comm: segctord Not tainted 4.19.211-syzkaller #0
[   33.452017] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022
[   33.461360] Call Trace:
[   33.463949]  dump_stack+0x1fc/0x2ef
[   33.467573]  panic+0x26a/0x50e
[   33.470756]  ? __warn_printk+0xf3/0xf3
[   33.474636]  ? nilfs_dat_commit_end.cold+0x11/0x18
[   33.479557]  ? __probe_kernel_read+0x130/0x1b0
[   33.484126]  ? __warn.cold+0x5/0x5a
[   33.487744]  ? __warn+0xe4/0x200
[   33.491117]  ? nilfs_dat_commit_end.cold+0x11/0x18
[   33.496081]  __warn.cold+0x20/0x5a
[   33.499621]  ? nilfs_dat_commit_end.cold+0x11/0x18
[   33.504543]  report_bug+0x262/0x2b0
[   33.508163]  do_error_trap+0x1d7/0x310
[   33.512038]  ? math_error+0x310/0x310
[   33.515824]  ? __irq_work_queue_local+0x101/0x160
[   33.520655]  ? irq_work_queue+0x29/0x80
[   33.524617]  ? error_entry+0x72/0xd0
[   33.528318]  ? trace_hardirqs_off_caller+0x6e/0x210
[   33.533322]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[   33.538154]  invalid_op+0x14/0x20
[   33.541609] RIP: 0010:nilfs_dat_commit_end.cold+0x11/0x18
[   33.547914] Code: fa e8 98 4f 69 f9 48 c7 c7 80 df 9e 88 e8 f7 80 fa ff 0f 0b e9 1a 66 b6 fa e8 80 4f 69 f9 48 c7 c7 80 df 9e 88 e8 df 80 fa ff <0f> 0b e9 0e 69 b6 fa e8 68 4f 69 f9 48 c7 c7 80 df 9e 88 e8 c7 80
[   33.566799] RSP: 0018:ffff888095277810 EFLAGS: 00010286
[   33.572147] RAX: 0000000000000024 RBX: ffff8880ab8aba40 RCX: 0000000000000000
[   33.579402] RDX: 0000000000000000 RSI: ffffffff814dff01 RDI: ffffed1012a4eef4
[   33.586657] RBP: ffff8880952778b8 R08: 0000000000000024 R09: 0000000000000000
[   33.593910] R10: 0000000000000005 R11: 0000000000000000 R12: ffff88808e1b19c0
[   33.601163] R13: 000023d50af30002 R14: ffff8880952778d0 R15: 0000000000000003
[   33.608431]  ? vprintk_func+0x81/0x180
[   33.612318]  nilfs_dat_commit_update+0x26/0x40
[   33.616892]  nilfs_direct_propagate+0x237/0x2f0
[   33.621548]  ? nilfs_direct_lookup_contig+0x310/0x310
[   33.626733]  nilfs_bmap_propagate+0x73/0x170
[   33.631130]  nilfs_collect_file_data+0x45/0xd0
[   33.635700]  nilfs_segctor_apply_buffers+0x14a/0x490
[   33.640793]  ? nilfs_collect_dat_data+0xd0/0xd0
[   33.645452]  nilfs_segctor_scan_file+0x3f4/0x6f0
[   33.650199]  ? nilfs_collect_file_data+0xd0/0xd0
[   33.654946]  ? check_preemption_disabled+0x41/0x280
[   33.659955]  nilfs_segctor_do_construct+0x242b/0x8360
[   33.665146]  ? nilfs_segctor_scan_file+0x6f0/0x6f0
[   33.670063]  ? lock_downgrade+0x720/0x720
[   33.674197]  ? lock_acquire+0x170/0x3c0
[   33.678163]  ? nilfs_segctor_confirm+0xe1/0x180
[   33.682820]  ? do_raw_spin_unlock+0x171/0x230
[   33.687304]  ? _raw_spin_unlock+0x29/0x40
[   33.691457]  nilfs_segctor_construct+0x764/0xae0
[   33.696204]  nilfs_segctor_thread+0x3cb/0xf50
[   33.700696]  ? nilfs_segctor_construct+0xae0/0xae0
[   33.705616]  ? __kthread_parkme+0x5d/0x1e0
[   33.709837]  ? wait_woken+0x250/0x250
[   33.713623]  ? lockdep_hardirqs_on+0x3a8/0x5c0
[   33.718191]  ? _raw_spin_unlock_irqrestore+0x66/0xe0
[   33.723299]  ? __kthread_parkme+0x133/0x1e0
[   33.727610]  ? nilfs_segctor_construct+0xae0/0xae0
[   33.732524]  kthread+0x33f/0x460
[   33.735878]  ? kthread_park+0x180/0x180
[   33.739841]  ret_from_fork+0x24/0x30
[   33.743871] Kernel Offset: disabled
[   33.747546] Rebooting in 86400 seconds..