[ 8.907745][ T2616] 8021q: adding VLAN 0 to HW filter on device bond0 [ 8.910123][ T2616] eql: remember to turn off Van-Jacobson compression on your slave devices [ 8.936189][ T1011] gvnic 0000:00:00.0 enp0s0: Device link is up. [ 8.942635][ T2524] IPv6: ADDRCONF(NETDEV_CHANGE): enp0s0: link becomes ready Starting sshd: OK syzkaller Warning: Permanently added '10.128.0.102' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 27.435860][ T3037] loop0: detected capacity change from 0 to 2048 [ 27.442005][ T3038] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 27.442109][ T3037] INFO: trying to register non-static key. [ 27.445437][ T3037] The code is fine but needs lockdep annotation, or maybe [ 27.447124][ T3037] you didn't initialize this object before use? [ 27.448429][ T3037] turning off the locking correctness validator. [ 27.449820][ T3037] CPU: 1 PID: 3037 Comm: syz-executor295 Not tainted 6.0.0-rc7-syzkaller-18095-gbbed346d5a96 #0 [ 27.451945][ T3037] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/30/2022 [ 27.454013][ T3037] Call trace: [ 27.454749][ T3037] dump_backtrace+0x1c4/0x1f0 [ 27.455639][ T3037] show_stack+0x2c/0x54 [ 27.456451][ T3037] dump_stack_lvl+0x104/0x16c [ 27.457472][ T3037] dump_stack+0x1c/0x58 [ 27.458332][ T3037] assign_lock_key+0x134/0x140 [ 27.459383][ T3037] register_lock_class+0xc4/0x2f8 [ 27.460490][ T3037] __lock_acquire+0xa8/0x30a4 [ 27.461447][ T3037] lock_acquire+0x100/0x1f8 [ 27.462392][ T3037] down_read+0x5c/0x78 [ 27.463279][ T3037] nilfs_bmap_lookup_at_level+0x4c/0x168 [ 27.464489][ T3037] nilfs_mdt_submit_block+0x164/0x4bc [ 27.465655][ T3037] nilfs_mdt_read_block+0x58/0x22c [ 27.466728][ T3037] nilfs_mdt_get_block+0x5c/0xcc [ 27.467777][ T3037] nilfs_palloc_get_block+0xb4/0x18c [ 27.468951][ T3037] nilfs_palloc_get_entry_block+0x90/0xa4 [ 27.470205][ T3037] nilfs_ifile_get_inode_block+0x7c/0xf8 [ 27.471426][ T3037] nilfs_iget+0xac/0x33c [ 27.472361][ T3037] nilfs_get_root_dentry+0x38/0x180 [ 27.473503][ T3037] nilfs_fill_super+0x1e4/0x2f8 [ 27.474540][ T3037] nilfs_mount+0x370/0x52c [ 27.475483][ T3037] legacy_get_tree+0x30/0x74 [ 27.476468][ T3037] vfs_get_tree+0x40/0x140 [ 27.477232][ T3037] do_new_mount+0x1dc/0x4e4 [ 27.477995][ T3037] path_mount+0x358/0x914 [ 27.479104][ T3037] __arm64_sys_mount+0x2c4/0x3c4 [ 27.480152][ T3037] el0_svc_common+0x138/0x220 [ 27.481189][ T3037] do_el0_svc+0x48/0x164 [ 27.482112][ T3037] el0_svc+0x58/0x150 [ 27.482965][ T3037] el0t_64_sync_handler+0x84/0xf0 [ 27.484056][ T3037] el0t_64_sync+0x18c/0x190 [ 27.485161][ T3037] Unable to handle kernel NULL pointer dereference at virtual address 0000000000000000 [ 27.487225][ T3037] Mem abort info: [ 27.487968][ T3037] ESR = 0x0000000096000006 [ 27.488956][ T3037] EC = 0x25: DABT (current EL), IL = 32 bits [ 27.490283][ T3037] SET = 0, FnV = 0 [ 27.491001][ T3037] EA = 0, S1PTW = 0 [ 27.491724][ T3037] FSC = 0x06: level 2 translation fault [ 27.492660][ T3037] Data abort info: [ 27.493258][ T3037] ISV = 0, ISS = 0x00000006 [ 27.494116][ T3037] CM = 0, WnR = 0 [ 27.494806][ T3037] user pgtable: 4k pages, 48-bit VAs, pgdp=00000001090d7000 [ 27.496399][ T3037] [0000000000000000] pgd=0800000108baa003, p4d=0800000108baa003, pud=080000010d8a4003, pmd=0000000000000000 [ 27.498791][ T3037] Internal error: Oops: 0000000096000006 [#1] PREEMPT SMP [ 27.500276][ T3037] Modules linked in: [ 27.501083][ T3037] CPU: 1 PID: 3037 Comm: syz-executor295 Not tainted 6.0.0-rc7-syzkaller-18095-gbbed346d5a96 #0 [ 27.503187][ T3037] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/30/2022 [ 27.505177][ T3037] pstate: 40400005 (nZcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 27.506471][ T3037] pc : nilfs_bmap_lookup_at_level+0x5c/0x168 [ 27.507644][ T3037] lr : nilfs_bmap_lookup_at_level+0x4c/0x168 [ 27.508644][ T3037] sp : ffff80000ff7b810 [ 27.509506][ T3037] x29: ffff80000ff7b820 x28: 000000000000002c x27: 0000000000000000 [ 27.511143][ T3037] x26: ffff80000cd66a71 x25: ffff0000ca55a4f8 x24: 0000000000000000 [ 27.512858][ T3037] x23: 0000000000000002 x22: ffff0000ca55a3b8 x21: ffff80000ff7b860 [ 27.514587][ T3037] x20: 0000000000000001 x19: ffff0000ca55a3f0 x18: 00000000000000c0 [ 27.516372][ T3037] x17: 6e69676e45206574 x16: 0000000000000001 x15: 0000000000000000 [ 27.518294][ T3037] x14: 0000000000000000 x13: 205d373330335420 x12: 5b5d363530343834 [ 27.519987][ T3037] x11: ff808000095d1a0c x10: 0000000000000000 x9 : ffff0000c4d50000 [ 27.521674][ T3037] x8 : 0000000000000000 x7 : 205b5d3635303438 x6 : ffff80000819545c [ 27.523384][ T3037] x5 : 0000000000000000 x4 : 0000000000000001 x3 : 0000000000000000 [ 27.525141][ T3037] x2 : 0000000000000001 x1 : 0000000000000002 x0 : ffff0000ca55a3b8 [ 27.526860][ T3037] Call trace: [ 27.527497][ T3037] nilfs_bmap_lookup_at_level+0x5c/0x168 [ 27.528479][ T3037] nilfs_mdt_submit_block+0x164/0x4bc [ 27.529398][ T3037] nilfs_mdt_read_block+0x58/0x22c [ 27.530241][ T3037] nilfs_mdt_get_block+0x5c/0xcc [ 27.531031][ T3037] nilfs_palloc_get_block+0xb4/0x18c [ 27.532287][ T3037] nilfs_palloc_get_entry_block+0x90/0xa4 [ 27.533599][ T3037] nilfs_ifile_get_inode_block+0x7c/0xf8 [ 27.534856][ T3037] nilfs_iget+0xac/0x33c [ 27.535818][ T3037] nilfs_get_root_dentry+0x38/0x180 [ 27.537013][ T3037] nilfs_fill_super+0x1e4/0x2f8 [ 27.538051][ T3037] nilfs_mount+0x370/0x52c [ 27.538965][ T3037] legacy_get_tree+0x30/0x74 [ 27.539906][ T3037] vfs_get_tree+0x40/0x140 [ 27.540949][ T3037] do_new_mount+0x1dc/0x4e4 [ 27.541944][ T3037] path_mount+0x358/0x914 [ 27.542949][ T3037] __arm64_sys_mount+0x2c4/0x3c4 [ 27.543976][ T3037] el0_svc_common+0x138/0x220 [ 27.544945][ T3037] do_el0_svc+0x48/0x164 [ 27.545922][ T3037] el0_svc+0x58/0x150 [ 27.546743][ T3037] el0t_64_sync_handler+0x84/0xf0 [ 27.547884][ T3037] el0t_64_sync+0x18c/0x190 [ 27.548882][ T3037] Code: f9406ec8 aa1603e0 aa1703e1 2a1403e2 (f9400108) [ 27.550397][ T3037] ---[ end trace 0000000000000000 ]--- [ 27.701325][ T3037] Kernel panic - not syncing: Oops: Fatal exception [ 27.702670][ T3037] SMP: stopping secondary CPUs [ 27.703755][ T3037] Kernel Offset: disabled [ 27.704678][ T3037] CPU features: 0x00000,02070084,26017203 [ 27.705873][ T3037] Memory Limit: none [ 27.859345][ T3037] Rebooting in 86400 seconds..