[ 10.403949][ T2658] 8021q: adding VLAN 0 to HW filter on device bond0 [ 10.410774][ T2658] eql: remember to turn off Van-Jacobson compression on your slave devices [ 10.440186][ T29] gvnic 0000:00:00.0 enp0s0: Device link is up. [ 10.444751][ T2567] IPv6: ADDRCONF(NETDEV_CHANGE): enp0s0: link becomes ready Starting sshd: OK syzkaller Warning: Permanently added '10.128.0.136' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 35.301701][ T3072] loop0: detected capacity change from 0 to 64 [ 35.305709][ T3072] Unable to handle kernel NULL pointer dereference at virtual address 0000000000000040 [ 35.308235][ T3072] Mem abort info: [ 35.309163][ T3072] ESR = 0x0000000096000006 [ 35.310343][ T3072] EC = 0x25: DABT (current EL), IL = 32 bits [ 35.311933][ T3072] SET = 0, FnV = 0 [ 35.312934][ T3072] EA = 0, S1PTW = 0 [ 35.314087][ T3072] FSC = 0x06: level 2 translation fault [ 35.315648][ T3072] Data abort info: [ 35.316608][ T3072] ISV = 0, ISS = 0x00000006 [ 35.317833][ T3072] CM = 0, WnR = 0 [ 35.318798][ T3072] user pgtable: 4k pages, 48-bit VAs, pgdp=000000010cf96000 [ 35.320678][ T3072] [0000000000000040] pgd=08000001063e3003, p4d=08000001063e3003, pud=0800000106b86003, pmd=0000000000000000 [ 35.323985][ T3072] Internal error: Oops: 0000000096000006 [#1] PREEMPT SMP [ 35.325783][ T3072] Modules linked in: [ 35.326807][ T3072] CPU: 0 PID: 3072 Comm: syz-executor214 Not tainted 6.1.0-rc8-syzkaller-33330-ga5541c0811a0 #0 [ 35.329539][ T3072] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 35.332145][ T3072] pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 35.334194][ T3072] pc : hfs_find_init+0x20/0xcc [ 35.335461][ T3072] lr : hfs_find_init+0x1c/0xcc [ 35.336718][ T3072] sp : ffff80000fba36c0 [ 35.337824][ T3072] x29: ffff80000fba36c0 x28: ffff0000c9c90000 x27: 0000000000000004 [ 35.339967][ T3072] x26: ffff0000c7b9e000 x25: 0000000000000000 x24: 0000000000000000 [ 35.342123][ T3072] x23: 0000000000000004 x22: ffff0000c9c90090 x21: 0000000000000004 [ 35.344240][ T3072] x20: ffff80000fba36f0 x19: 0000000000000000 x18: 00000000000000c0 [ 35.346387][ T3072] x17: ffff80000dda8198 x16: ffff80000dbe6158 x15: ffff0000c93d0000 [ 35.348508][ T3072] x14: 0000000000000018 x13: 0000000000000001 x12: ffff0000c93d0000 [ 35.350689][ T3072] x11: ff808000088fbf94 x10: 0000000000000000 x9 : ffff8000088fbf94 [ 35.352858][ T3072] x8 : ffff0000c93d0000 x7 : 0000000000000008 x6 : ffff80000801154c [ 35.354978][ T3072] x5 : ffff80000e0b3f90 x4 : 0000000000000008 x3 : ffff80000dc2e0c8 [ 35.357103][ T3072] x2 : ffff0000c93d0000 x1 : ffff80000fba36f0 x0 : 0000000000000000 [ 35.359258][ T3072] Call trace: [ 35.360109][ T3072] hfs_find_init+0x20/0xcc [ 35.361293][ T3072] hfs_get_block+0x23c/0x4c4 [ 35.362497][ T3072] block_read_full_folio+0x188/0x8c0 [ 35.363944][ T3072] hfs_read_folio+0x28/0x38 [ 35.365125][ T3072] filemap_read_folio+0xc4/0x468 [ 35.366436][ T3072] do_read_cache_folio+0x1c8/0x588 [ 35.367823][ T3072] read_cache_page+0x40/0x174 [ 35.369087][ T3072] hfs_btree_open+0x1c4/0x594 [ 35.370329][ T3072] hfs_mdb_get+0x5a8/0x7e8 [ 35.371494][ T3072] hfs_fill_super+0x59c/0x88c [ 35.372761][ T3072] mount_bdev+0x1b8/0x210 [ 35.373918][ T3072] hfs_mount+0x44/0x58 [ 35.374994][ T3072] legacy_get_tree+0x30/0x74 [ 35.376208][ T3072] vfs_get_tree+0x40/0x140 [ 35.377366][ T3072] do_new_mount+0x1dc/0x4e4 [ 35.378597][ T3072] path_mount+0x358/0x890 [ 35.379749][ T3072] __arm64_sys_mount+0x2c4/0x3c4 [ 35.381047][ T3072] el0_svc_common+0x138/0x220 [ 35.382280][ T3072] do_el0_svc+0x48/0x140 [ 35.383393][ T3072] el0_svc+0x58/0x150 [ 35.384441][ T3072] el0t_64_sync_handler+0x84/0xf0 [ 35.385757][ T3072] el0t_64_sync+0x190/0x194 [ 35.386918][ T3072] Code: aa0103f4 aa0003f3 97e6aaa5 a9017e93 (b9404268) [ 35.388798][ T3072] ---[ end trace 0000000000000000 ]--- [ 35.679665][ T3072] Kernel panic - not syncing: Oops: Fatal exception [ 35.681407][ T3072] SMP: stopping secondary CPUs [ 35.682731][ T3072] Kernel Offset: disabled [ 35.683877][ T3072] CPU features: 0x00000,040e0108,4c017203 [ 35.685365][ T3072] Memory Limit: none [ 35.977042][ T3072] Rebooting in 86400 seconds..