[ 14.784333][ T3898] 8021q: adding VLAN 0 to HW filter on device bond0 [ 14.787571][ T3898] eql: remember to turn off Van-Jacobson compression on your slave devices [ 14.831474][ T9] gvnic 0000:00:00.0 enp0s0: Device link is up. [ 14.834297][ T3807] IPv6: ADDRCONF(NETDEV_CHANGE): enp0s0: link becomes ready Starting sshd: OK syzkaller Warning: Permanently added '10.128.10.17' (ED25519) to the list of known hosts. executing program syzkaller login: [ 32.914031][ T4234] loop0: detected capacity change from 0 to 128 [ 32.918646][ T4234] oldfs: cannot read superblock [ 32.920196][ T4234] ------------[ cut here ]------------ [ 32.921520][ T4234] VFS: brelse: Trying to free free buffer [ 32.923034][ T4234] WARNING: CPU: 1 PID: 4234 at fs/buffer.c:1145 invalidate_bh_lru+0x128/0x200 [ 32.925195][ T4234] Modules linked in: [ 32.926158][ T4234] CPU: 1 PID: 4234 Comm: syz-executor215 Not tainted 6.1.87-syzkaller #0 [ 32.928196][ T4234] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 [ 32.930703][ T4234] pstate: 604010c5 (nZCv daIF +PAN -UAO -TCO -DIT +SSBS BTYPE=--) [ 32.932704][ T4234] pc : invalidate_bh_lru+0x128/0x200 [ 32.934043][ T4234] lr : invalidate_bh_lru+0x128/0x200 [ 32.935393][ T4234] sp : ffff80001df07450 [ 32.936446][ T4234] x29: ffff80001df07450 x28: ffff80001584d000 x27: ffff0001b437234e [ 32.938657][ T4234] x26: 0000000000000001 x25: 00000000ffffffff x24: ffff0001b4387698 [ 32.940552][ T4234] x23: 0000000000000000 x22: dfff800000000000 x21: 0000000000000000 [ 32.942660][ T4234] x20: ffff0000e2052888 x19: ffff800012381bc0 x18: ffff80001df06840 [ 32.944676][ T4234] x17: 0000000000000000 x16: ffff80001215c9dc x15: 0000000000000000 [ 32.946698][ T4234] x14: 00000000ffffffff x13: 0000000000000001 x12: 0000000000000001 [ 32.948731][ T4234] x11: 0000000000ff0100 x10: 0000000000000000 x9 : 56ec2b3a3cd00900 [ 32.950750][ T4234] x8 : 56ec2b3a3cd00900 x7 : 0000000000000001 x6 : 0000000000000001 [ 32.952893][ T4234] x5 : ffff80001df06d38 x4 : ffff800015932b00 x3 : ffff80000858856c [ 32.954920][ T4234] x2 : 0000000000000001 x1 : 0000000100000002 x0 : 0000000000000000 [ 32.956931][ T4234] Call trace: [ 32.957769][ T4234] invalidate_bh_lru+0x128/0x200 [ 32.959024][ T4234] smp_call_function_many_cond+0x828/0x32b8 [ 32.960590][ T4234] on_each_cpu_cond_mask+0x5c/0xc4 [ 32.961924][ T4234] invalidate_bh_lrus+0x34/0x40 [ 32.963222][ T4234] blkdev_flush_mapping+0x128/0x280 [ 32.964600][ T4234] blkdev_put+0x464/0x6e0 [ 32.965741][ T4234] kill_block_super+0x98/0xdc [ 32.966907][ T4234] deactivate_locked_super+0xac/0x124 [ 32.968284][ T4234] mount_bdev+0x294/0x370 [ 32.969392][ T4234] sysv_mount+0x44/0x58 [ 32.970497][ T4234] legacy_get_tree+0xd4/0x16c [ 32.971723][ T4234] vfs_get_tree+0x90/0x274 [ 32.972889][ T4234] do_new_mount+0x278/0x8fc [ 32.974081][ T4234] path_mount+0x590/0xe5c [ 32.975230][ T4234] __arm64_sys_mount+0x45c/0x594 [ 32.976625][ T4234] invoke_syscall+0x98/0x2c0 [ 32.977835][ T4234] el0_svc_common+0x138/0x258 [ 32.979073][ T4234] do_el0_svc+0x64/0x218 [ 32.980163][ T4234] el0_svc+0x58/0x168 [ 32.981190][ T4234] el0t_64_sync_handler+0x84/0xf0 [ 32.982482][ T4234] el0t_64_sync+0x18c/0x190 [ 32.983636][ T4234] irq event stamp: 15842 [ 32.984691][ T4234] hardirqs last enabled at (15841): [] kasan_quarantine_put+0xdc/0x204 [ 32.987248][ T4234] hardirqs last disabled at (15842): [] smp_call_function_many_cond+0x81c/0x32b8 [ 32.989939][ T4234] softirqs last enabled at (14388): [] __do_softirq+0xc1c/0xe38 [ 32.992419][ T4234] softirqs last disabled at (14379): [] ____do_softirq+0x14/0x20 [ 32.994916][ T4234] ---[ end trace 0000000000000000 ]--- [ 33.021096][ T4235] I/O error, dev loop0, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2