[ 9.305090][ T2616] 8021q: adding VLAN 0 to HW filter on device bond0 [ 9.313192][ T2616] eql: remember to turn off Van-Jacobson compression on your slave devices [ 9.340712][ T49] gvnic 0000:00:00.0 enp0s0: Device link is up. [ 9.347391][ T13] IPv6: ADDRCONF(NETDEV_CHANGE): enp0s0: link becomes ready Starting sshd: OK syzkaller Warning: Permanently added '10.128.0.85' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 27.250632][ T3031] loop0: detected capacity change from 0 to 2048 [ 27.256852][ T3032] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 27.259106][ T3031] NILFS error (device loop0): nilfs_check_page: bad entry in directory #2: rec_len is smaller than minimal - offset=0, inode=0, rec_len=0, name_len=0 [ 27.263571][ T3031] Remounting filesystem read-only [ 27.265622][ T3031] NILFS error (device loop0): nilfs_check_page: bad entry in directory #2: rec_len is smaller than minimal - offset=0, inode=0, rec_len=0, name_len=0 [ 27.273698][ T3031] ------------[ cut here ]------------ [ 27.275044][ T3031] WARNING: CPU: 1 PID: 3031 at fs/nilfs2/dat.c:186 nilfs_dat_commit_end+0x194/0x1e4 [ 27.277198][ T3031] Modules linked in: [ 27.278172][ T3031] CPU: 1 PID: 3031 Comm: syz-executor212 Not tainted 6.0.0-rc7-syzkaller-18095-gbbed346d5a96 #0 [ 27.280569][ T3031] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/26/2022 [ 27.282830][ T3031] pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 27.284745][ T3031] pc : nilfs_dat_commit_end+0x194/0x1e4 [ 27.286077][ T3031] lr : nilfs_dat_commit_end+0x194/0x1e4 [ 27.287568][ T3031] sp : ffff80001286b6b0 [ 27.288580][ T3031] x29: ffff80001286b6b0 x28: 0000000000000000 x27: ffff80001286baf0 [ 27.290526][ T3031] x26: ffff0000ca1a6008 x25: 000000000000001b x24: ffff0000c4ae8000 [ 27.292541][ T3031] x23: 00000026ae000002 x22: ffff0000cc64ba80 x21: 0000000000000003 [ 27.294469][ T3031] x20: ffff0000ca220158 x19: ffff80001286b748 x18: 00000000000000c0 [ 27.296415][ T3031] x17: ffff80000dd0b198 x16: ffff80000db49158 x15: ffff0000c4ae8000 [ 27.298381][ T3031] x14: 00000000000000c0 x13: 00000000ffffffff x12: 0000000000000000 [ 27.300304][ T3031] x11: ff80800008f62954 x10: 0000000000000000 x9 : ffff800008f62954 [ 27.302197][ T3031] x8 : ffff0000c4ae8000 x7 : ffff800008f7a100 x6 : 0000000000000000 [ 27.304068][ T3031] x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff0000cc64b000 [ 27.305951][ T3031] x2 : ffff0000c75063f0 x1 : 0000000000000003 x0 : 00000026ae000002 [ 27.307900][ T3031] Call trace: [ 27.308698][ T3031] nilfs_dat_commit_end+0x194/0x1e4 [ 27.309951][ T3031] nilfs_dat_commit_update+0x38/0x58 [ 27.311237][ T3031] nilfs_direct_propagate+0xec/0x1a8 [ 27.312563][ T3031] nilfs_bmap_propagate+0x40/0xa8 [ 27.313808][ T3031] nilfs_collect_file_data+0x34/0xa8 [ 27.315109][ T3031] nilfs_segctor_apply_buffers+0x84/0x168 [ 27.316569][ T3031] nilfs_segctor_scan_file+0x110/0x358 [ 27.317915][ T3031] nilfs_segctor_collect_blocks+0x48c/0x93c [ 27.319365][ T3031] nilfs_segctor_do_construct+0x3e4/0xee8 [ 27.320766][ T3031] nilfs_segctor_construct+0xa0/0x380 [ 27.322140][ T3031] nilfs_detach_log_writer+0x25c/0x4d0 [ 27.323582][ T3031] nilfs_put_super+0x28/0x9c [ 27.324657][ T3031] generic_shutdown_super+0x8c/0x190 [ 27.325958][ T3031] kill_block_super+0x30/0x78 [ 27.327066][ T3031] deactivate_locked_super+0x70/0xe8 [ 27.328346][ T3031] deactivate_super+0xd0/0xd4 [ 27.329535][ T3031] cleanup_mnt+0x1f8/0x234 [ 27.330696][ T3031] __cleanup_mnt+0x20/0x30 [ 27.331875][ T3031] task_work_run+0xc4/0x14c [ 27.333082][ T3031] do_exit+0x26c/0xbe0 [ 27.334041][ T3031] do_group_exit+0x60/0xe8 [ 27.335075][ T3031] __wake_up_parent+0x0/0x40 [ 27.336233][ T3031] el0_svc_common+0x138/0x220 [ 27.337225][ T3031] do_el0_svc+0x48/0x164 [ 27.338124][ T3031] el0_svc+0x58/0x150 [ 27.338963][ T3031] el0t_64_sync_handler+0x84/0xf0 [ 27.340019][ T3031] el0t_64_sync+0x18c/0x190 [ 27.340976][ T3031] irq event stamp: 9614 [ 27.341994][ T3031] hardirqs last enabled at (9613): [] folio_memcg_lock+0xe4/0x188 [ 27.344262][ T3031] hardirqs last disabled at (9614): [] el1_dbg+0x24/0x5c [ 27.346268][ T3031] softirqs last enabled at (9558): [] _stext+0x2e4/0x37c [ 27.348447][ T3031] softirqs last disabled at (9553): [] ____do_softirq+0x14/0x20 [ 27.350612][ T3031] ---[ end trace 0000000000000000 ]---