Warning: Permanently added '10.128.1.81' (ECDSA) to the list of known hosts. executing program [ 28.145037][ T3025] loop0: detected capacity change from 0 to 2048 [ 28.151809][ T3026] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 28.158014][ T3025] NILFS error (device loop0): nilfs_check_page: bad entry in directory #12: rec_len is smaller than minimal - offset=0, inode=0, rec_len=0, name_len=0 [ 28.162450][ T3025] Remounting filesystem read-only [ 28.164506][ T9] NILFS (loop0): discard dirty page: offset=0, ino=3 [ 28.166471][ T9] NILFS (loop0): discard dirty block: blocknr=42, size=1024 [ 28.168263][ T9] NILFS (loop0): discard dirty block: blocknr=43, size=1024 [ 28.169986][ T9] NILFS (loop0): discard dirty block: blocknr=44, size=1024 [ 28.171848][ T9] NILFS (loop0): discard dirty block: blocknr=18446744073709551615, size=1024 [ 28.174736][ T9] NILFS (loop0): discard dirty page: offset=0, ino=6 [ 28.177149][ T9] NILFS (loop0): discard dirty block: blocknr=35, size=1024 [ 28.179007][ T9] NILFS (loop0): discard dirty block: blocknr=18446744073709551615, size=1024 [ 28.181261][ T9] NILFS (loop0): discard dirty block: blocknr=37, size=1024 [ 28.183504][ T9] NILFS (loop0): discard dirty block: blocknr=38, size=1024 [ 28.185676][ T9] NILFS (loop0): discard dirty page: offset=0, ino=2 [ 28.187501][ T9] NILFS (loop0): discard dirty block: blocknr=18, size=1024 [ 28.189274][ T9] NILFS (loop0): discard dirty block: blocknr=18446744073709551615, size=1024 [ 28.191421][ T9] NILFS (loop0): discard dirty block: blocknr=18446744073709551615, size=1024 [ 28.194270][ T9] NILFS (loop0): discard dirty block: blocknr=18446744073709551615, size=1024 [ 28.196798][ T9] NILFS (loop0): discard dirty page: offset=196608, ino=3 [ 28.198606][ T9] NILFS (loop0): discard dirty block: blocknr=18446744073709551615, size=1024 [ 28.200834][ T9] NILFS (loop0): discard dirty block: blocknr=18446744073709551615, size=1024 [ 28.203361][ T9] NILFS (loop0): discard dirty block: blocknr=49, size=1024 [ 28.205618][ T9] NILFS (loop0): discard dirty block: blocknr=18446744073709551615, size=1024 [ 28.208034][ T9] NILFS (loop0): discard dirty page: offset=268697600, ino=6 [ 28.209892][ T9] NILFS (loop0): discard dirty block: blocknr=18446744073709551615, size=1024 [ 28.212124][ T9] NILFS (loop0): discard dirty block: blocknr=0, size=1024 [ 28.214449][ T9] NILFS (loop0): discard dirty block: blocknr=0, size=1024 [ 28.216583][ T9] NILFS (loop0): discard dirty block: blocknr=0, size=1024 [ 28.333408][ T3025] ------------[ cut here ]------------ [ 28.334861][ T3025] WARNING: CPU: 1 PID: 3025 at fs/buffer.c:1081 mark_buffer_dirty+0x19c/0x368 [ 28.337171][ T3025] Modules linked in: [ 28.338152][ T3025] CPU: 1 PID: 3025 Comm: syz-executor366 Not tainted 6.1.0-rc5-syzkaller-32254-g9e4ce762f0e7 #0 [ 28.340774][ T3025] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/30/2022 [ 28.343343][ T3025] pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 28.345333][ T3025] pc : mark_buffer_dirty+0x19c/0x368 [ 28.346945][ T3025] lr : mark_buffer_dirty+0x19c/0x368 [ 28.348399][ T3025] sp : ffff800012be38d0 [ 28.349452][ T3025] x29: ffff800012be38d0 x28: ffff0000c82d1328 x27: 0000000000000008 [ 28.351526][ T3025] x26: ffff0000ca8c23a8 x25: ffff0000c82d1328 x24: ffff0000c82d1000 [ 28.353596][ T3025] x23: ffff0000caaf0138 x22: ffff0000c8279418 x21: ffff0000ca8c24f8 [ 28.355804][ T3025] x20: 0000000000000008 x19: ffff0000c7108150 x18: 00000000000000c0 [ 28.358122][ T3025] x17: ffff80000dccb198 x16: ffff80000db09158 x15: ffff0000c82f0000 [ 28.360144][ T3025] x14: 00000000000000c0 x13: 00000000ffffffff x12: ffff0000c82f0000 [ 28.362213][ T3025] x11: ff8080000863e16c x10: 0000000000000000 x9 : ffff80000863e16c [ 28.364281][ T3025] x8 : ffff0000c82f0000 x7 : ffff800008f87e18 x6 : 0000000000000000 [ 28.366612][ T3025] x5 : 0000000000000000 x4 : 0000000000000001 x3 : 0000000000000000 [ 28.368706][ T3025] x2 : 0000000000000001 x1 : 0000000000000000 x0 : 0000000000000000 [ 28.370750][ T3025] Call trace: [ 28.371562][ T3025] mark_buffer_dirty+0x19c/0x368 [ 28.372868][ T3025] nilfs_segctor_collect_dirty_files+0x7c/0x298 [ 28.374570][ T3025] nilfs_segctor_do_construct+0x64/0xefc [ 28.376271][ T3025] nilfs_segctor_construct+0xa0/0x380 [ 28.377678][ T3025] nilfs_detach_log_writer+0x25c/0x4d0 [ 28.379313][ T3025] nilfs_put_super+0x28/0x9c [ 28.380523][ T3025] generic_shutdown_super+0x94/0x198 [ 28.381910][ T3025] kill_block_super+0x30/0x78 [ 28.383099][ T3025] deactivate_locked_super+0x70/0xe8 [ 28.384446][ T3025] deactivate_super+0xd0/0xd4 [ 28.385696][ T3025] cleanup_mnt+0x184/0x1c0 [ 28.386959][ T3025] __cleanup_mnt+0x20/0x30 [ 28.388087][ T3025] task_work_run+0x100/0x148 [ 28.389283][ T3025] do_exit+0x2dc/0xcac [ 28.390336][ T3025] __arm64_sys_exit_group+0x0/0x18 [ 28.391648][ T3025] __wake_up_parent+0x0/0x40 [ 28.392930][ T3025] el0_svc_common+0x138/0x220 [ 28.394176][ T3025] do_el0_svc+0x48/0x164 [ 28.395442][ T3025] el0_svc+0x58/0x150 [ 28.396725][ T3025] el0t_64_sync_handler+0x84/0xf0 [ 28.398021][ T3025] el0t_64_sync+0x190/0x194 [ 28.399196][ T3025] irq event stamp: 13248 [ 28.400270][ T3025] hardirqs last enabled at (13247): [] _raw_spin_unlock_irqrestore+0x48/0x8c [ 28.403041][ T3025] hardirqs last disabled at (13248): [] el1_dbg+0x24/0x80 [ 28.405478][ T3025] softirqs last enabled at (13124): [] _stext+0x2e4/0x37c [ 28.408107][ T3025] softirqs last disabled at (13115): [] ____do_softirq+0x14/0x20 [ 28.410313][ T3025] ---[ end trace 0000000000000000 ]---