[ 15.313003][ T3892] 8021q: adding VLAN 0 to HW filter on device bond0 [ 15.317529][ T3892] eql: remember to turn off Van-Jacobson compression on your slave devices [ 15.362362][ T9] gvnic 0000:00:00.0 enp0s0: Device link is up. [ 15.364944][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): enp0s0: link becomes ready Starting sshd: OK syzkaller Warning: Permanently added '10.128.0.135' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 36.669380][ T4216] loop0: detected capacity change from 0 to 4096 [ 36.672564][ T4216] ======================================================= [ 36.672564][ T4216] WARNING: The mand mount option has been deprecated and [ 36.672564][ T4216] and is ignored by this kernel. Remove the mand [ 36.672564][ T4216] option from the mount to silence this warning. [ 36.672564][ T4216] ======================================================= [ 36.681284][ T4216] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024) [ 36.684739][ T4216] NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 4096) [ 36.692956][ T4217] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 36.709100][ T4216] ------------[ cut here ]------------ [ 36.710368][ T4216] WARNING: CPU: 0 PID: 4216 at fs/nilfs2/dat.c:158 nilfs_dat_prepare_end+0x2ac/0x2f4 [ 36.712348][ T4216] Modules linked in: [ 36.713201][ T4216] CPU: 0 PID: 4216 Comm: syz-executor384 Not tainted 6.1.27-syzkaller #0 [ 36.715063][ T4216] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/14/2023 [ 36.717234][ T4216] pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 36.718916][ T4216] pc : nilfs_dat_prepare_end+0x2ac/0x2f4 [ 36.720195][ T4216] lr : nilfs_dat_prepare_end+0x2ac/0x2f4 [ 36.721360][ T4216] sp : ffff80001da07630 [ 36.722191][ T4216] x29: ffff80001da07640 x28: 1fffe0001bec40ee x27: 1fffe0001bec40d3 [ 36.723858][ T4216] x26: dfff800000000000 x25: dfff800000000000 x24: 0000229900000000 [ 36.725544][ T4216] x23: 1ffff00003b40ed8 x22: 00000000fffffffe x21: ffff0000e2040158 [ 36.727266][ T4216] x20: ffff80001da076c0 x19: ffff80001da076d8 x18: ffff80001da06c40 [ 36.729037][ T4216] x17: ffff80001558d000 x16: 0000000000000000 x15: 0000000000000000 [ 36.730747][ T4216] x14: 0000000000000000 x13: 00000000ffffffef x12: ffff0000c75251c0 [ 36.732501][ T4216] x11: ff80800009d9b720 x10: 0000000000000000 x9 : ffff800009d9b720 [ 36.734173][ T4216] x8 : ffff0000c75251c0 x7 : ffff800008061ea0 x6 : ffff8000080620b0 [ 36.735884][ T4216] x5 : ffff0000d936c408 x4 : ffff80001da06e30 x3 : ffff800008b28cf8 [ 36.737602][ T4216] x2 : 0000000000000001 x1 : 00000000fffffffe x0 : 00000000fffffffe [ 36.739373][ T4216] Call trace: [ 36.740057][ T4216] nilfs_dat_prepare_end+0x2ac/0x2f4 [ 36.741186][ T4216] nilfs_direct_delete+0x154/0x2c0 [ 36.742207][ T4216] nilfs_bmap_truncate+0x2a0/0x4c0 [ 36.743309][ T4216] nilfs_truncate_bmap+0x198/0x314 [ 36.744415][ T4216] nilfs_evict_inode+0x14c/0x3a4 [ 36.745450][ T4216] evict+0x260/0x68c [ 36.746289][ T4216] iput+0x7c0/0x8a4 [ 36.747131][ T4216] do_unlinkat+0x52c/0x82c [ 36.748085][ T4216] __arm64_sys_unlinkat+0xcc/0xfc [ 36.749215][ T4216] invoke_syscall+0x98/0x2c0 [ 36.750203][ T4216] el0_svc_common+0x138/0x258 [ 36.751258][ T4216] do_el0_svc+0x64/0x218 [ 36.752143][ T4216] el0_svc+0x58/0x168 [ 36.753001][ T4216] el0t_64_sync_handler+0x84/0xf0 [ 36.754058][ T4216] el0t_64_sync+0x18c/0x190 [ 36.755032][ T4216] irq event stamp: 27846 [ 36.755920][ T4216] hardirqs last enabled at (27845): [] kasan_quarantine_put+0xdc/0x204 [ 36.758015][ T4216] hardirqs last disabled at (27846): [] el1_dbg+0x24/0x80 [ 36.759836][ T4216] softirqs last enabled at (27546): [] local_bh_enable+0x10/0x34 [ 36.761879][ T4216] softirqs last disabled at (27544): [] local_bh_disable+0x10/0x34 [ 36.763922][ T4216] ---[ end trace 0000000000000000 ]--- [ 36.765233][ T4216] NILFS (loop0): error -2 truncating bmap (ino=15)