[ 8.940176][ T2615] 8021q: adding VLAN 0 to HW filter on device bond0 [ 8.942526][ T2615] eql: remember to turn off Van-Jacobson compression on your slave devices [ 8.967792][ T9] gvnic 0000:00:00.0 enp0s0: Device link is up. [ 8.973010][ T2524] IPv6: ADDRCONF(NETDEV_CHANGE): enp0s0: link becomes ready Starting sshd: OK syzkaller Warning: Permanently added '10.128.0.83' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program syzkaller login: [ 29.623400][ T3317] ------------[ cut here ]------------ [ 29.624730][ T3317] WARNING: CPU: 1 PID: 3317 at fs/kernfs/dir.c:504 __kernfs_remove+0x6f4/0x7d8 [ 29.626625][ T3317] Modules linked in: [ 29.627432][ T3317] CPU: 1 PID: 3317 Comm: syz-executor488 Not tainted 6.0.0-rc7-syzkaller-18095-gbbed346d5a96 #0 [ 29.629637][ T3317] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/30/2022 [ 29.631731][ T3317] pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 29.633340][ T3317] pc : __kernfs_remove+0x6f4/0x7d8 [ 29.634422][ T3317] lr : __kernfs_remove+0x6f4/0x7d8 [ 29.635467][ T3317] sp : ffff800012b238a0 [ 29.636332][ T3317] x29: ffff800012b238d0 x28: ffff80000cee8161 x27: 0000000080000001 [ 29.637969][ T3317] x26: ffff0000c0011a00 x25: ffff80000d30c000 x24: ffff0000cb5d2540 [ 29.639631][ T3317] x23: ffff0000cb441d60 x22: 0000000000000000 x21: ffff0000cb5d2540 [ 29.641325][ T3317] x20: ffff0000cb5d2540 x19: ffff8000086f7744 x18: 000000000000018c [ 29.643010][ T3317] x17: ffff80000bffd6bc x16: ffff80000db49158 x15: ffff0000c3bf9a80 [ 29.644698][ T3317] x14: 0000000000000000 x13: 00000000ffffffff x12: ffff0000c3bf9a80 [ 29.646350][ T3317] x11: ff808000086f70dc x10: 0000000000000000 x9 : ffff8000086f70dc [ 29.648048][ T3317] x8 : ffff0000c3bf9a80 x7 : ffff8000095d331c x6 : 0000000000000000 [ 29.649702][ T3317] x5 : 0000000080180007 x4 : fffffc00032d74a0 x3 : 0000000080180007 [ 29.651436][ T3317] x2 : ffff0000cb5d2540 x1 : 0000000000000000 x0 : 0000000000000000 [ 29.653123][ T3317] Call trace: [ 29.653821][ T3317] __kernfs_remove+0x6f4/0x7d8 [ 29.654810][ T3317] kernfs_remove_by_name_ns+0x68/0xb8 [ 29.655956][ T3317] sysfs_remove_link+0x40/0x50 [ 29.656966][ T3317] sysfs_slab_add+0x70/0x274 [ 29.657905][ T3317] __kmem_cache_create+0x60/0x118 [ 29.659018][ T3317] kmem_cache_create_usercopy+0x19c/0x31c [ 29.660209][ T3317] p9_client_create+0x618/0x758 [ 29.661248][ T3317] v9fs_session_init+0xa4/0x9f0 [ 29.662289][ T3317] v9fs_mount+0x6c/0x568 [ 29.663130][ T3317] legacy_get_tree+0x30/0x74 [ 29.664076][ T3317] vfs_get_tree+0x40/0x140 [ 29.665138][ T3317] do_new_mount+0x1dc/0x4e4 [ 29.666073][ T3317] path_mount+0x358/0x914 [ 29.666970][ T3317] __arm64_sys_mount+0x2c4/0x3c4 [ 29.668013][ T3317] el0_svc_common+0x138/0x220 [ 29.668961][ T3317] do_el0_svc+0x48/0x164 [ 29.669838][ T3317] el0_svc+0x58/0x150 [ 29.670701][ T3317] el0t_64_sync_handler+0x84/0xf0 [ 29.671775][ T3317] el0t_64_sync+0x18c/0x190 [ 29.672737][ T3317] irq event stamp: 848 [ 29.673532][ T3317] hardirqs last enabled at (847): [] _raw_spin_unlock_irqrestore+0x48/0x8c [ 29.675707][ T3317] hardirqs last disabled at (848): [] el1_dbg+0x24/0x5c [ 29.677571][ T3317] softirqs last enabled at (576): [] local_bh_enable+0x10/0x34 [ 29.679544][ T3317] softirqs last disabled at (574): [] local_bh_disable+0x10/0x34 [ 29.681468][ T3317] ---[ end trace 0000000000000000 ]--- executing program executing program executing program executing program executing program executing program [ 29.751242][ T3322] Unable to handle kernel paging request at virtual address 00000000000070eb [ 29.753144][ T3322] Mem abort info: executing program executing program [ 29.753857][ T3322] ESR = 0x0000000096000006 [ 29.759309][ T3323] Unable to handle kernel paging request at virtual address 00000000000070eb [ 29.761077][ T3322] EC = 0x25: DABT (current EL), IL = 32 bits [ 29.761175][ T3323] Mem abort info: [ 29.762846][ T3322] SET = 0, FnV = 0 [ 29.763265][ T3323] ESR = 0x0000000096000006 [ 29.764668][ T3322] EA = 0, S1PTW = 0 [ 29.766228][ T3323] EC = 0x25: DABT (current EL), IL = 32 bits [ 29.767386][ T3323] SET = 0, FnV = 0 [ 29.768165][ T3323] EA = 0, S1PTW = 0 [ 29.768951][ T3323] FSC = 0x06: level 2 translation fault [ 29.769908][ T3322] FSC = 0x06: level 2 translation fault [ 29.771717][ T3323] Data abort info: [ 29.772451][ T3323] ISV = 0, ISS = 0x00000006 [ 29.773389][ T3323] CM = 0, WnR = 0 [ 29.773777][ T3322] Data abort info: [ 29.776149][ T3323] user pgtable: 4k pages, 48-bit VAs, pgdp=00000001072d1000 [ 29.776296][ T3322] ISV = 0, ISS = 0x00000006 [ 29.778786][ T3323] [00000000000070eb] pgd=0800000109361003, p4d=0800000109361003, pud=0800000106fe3003, pmd=0000000000000000 [ 29.779898][ T3326] ------------[ cut here ]------------ [ 29.781164][ T3323] Internal error: Oops: 0000000096000006 [#1] PREEMPT SMP [ 29.782277][ T3326] WARNING: CPU: 0 PID: 3326 at fs/kernfs/dir.c:504 __kernfs_remove+0x6f4/0x7d8 [ 29.783636][ T3323] Modules linked in: [ 29.785486][ T3326] Modules linked in: [ 29.785492][ T3326] CPU: 0 PID: 3326 Comm: syz-executor488 Tainted: G W 6.0.0-rc7-syzkaller-18095-gbbed346d5a96 #0 [ 29.786484][ T3323] [ 29.786488][ T3323] CPU: 1 PID: 3323 Comm: syz-executor488 Tainted: G W 6.0.0-rc7-syzkaller-18095-gbbed346d5a96 #0 [ 29.787255][ T3326] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/30/2022 [ 29.789707][ T3323] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/30/2022 [ 29.789713][ T3323] pstate: 40400005 (nZcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 29.790197][ T3326] pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 29.792646][ T3323] pc : kmem_cache_alloc+0x17c/0x334 [ 29.794764][ T3326] pc : __kernfs_remove+0x6f4/0x7d8 [ 29.796852][ T3323] lr : kmem_cache_alloc+0x88/0x334 [ 29.798476][ T3326] lr : __kernfs_remove+0x6f4/0x7d8 [ 29.800082][ T3323] sp : ffff800012b3b7e0 [ 29.801131][ T3326] sp : ffff800012b538a0 [ 29.802159][ T3323] x29: ffff800012b3b7f0 x28: ffff0000c359cf80 x27: 0000000000000001 [ 29.803257][ T3326] x29: ffff800012b538d0 [ 29.804328][ T3323] [ 29.804331][ T3323] x26: ffff80000d309000 [ 29.805205][ T3326] x28: ffff80000cee8161 [ 29.806079][ T3323] x25: 0000000000000002 [ 29.807708][ T3326] x27: 0000000080000001 [ 29.808553][ T3323] x24: 0000000000000000 [ 29.808998][ T3326] [ 29.809000][ T3326] x26: ffff0000c0011a00 [ 29.809938][ T3323] [ 29.810825][ T3326] x25: ffff80000d30c000 [ 29.811721][ T3323] x23: 000000000000709b [ 29.812590][ T3326] x24: ffff0000c4720888 [ 29.813445][ T3323] x22: 0000000000000000 [ 29.813972][ T3326] [ 29.813975][ T3326] x23: ffff0000c6fd4f58 [ 29.814933][ T3323] x21: ffff8000086f467c [ 29.815412][ T3326] x22: 0000000000000000 [ 29.816278][ T3323] [ 29.816280][ T3323] x20: ffff0000c01a0000 [ 29.817146][ T3326] x21: ffff0000c4720888 [ 29.818005][ T3323] x19: 0000000000000dc0 x18: 000000000000037f [ 29.818885][ T3326] [ 29.818889][ T3326] x20: ffff0000c4720888 x19: ffff8000086f7744 [ 29.819345][ T3323] [ 29.820135][ T3326] x18: 0000000000000105 [ 29.821058][ T3323] x17: ffff80000bffd6bc [ 29.821927][ T3326] [ 29.821930][ T3326] x17: ffff80000bffd6bc [ 29.822385][ T3323] x16: ffff80000db49158 [ 29.823236][ T3326] x16: ffff80000db49158 [ 29.824117][ T3323] x15: ffff0000c359cf80 [ 29.825421][ T3326] x15: ffff0000c547cf80 [ 29.825876][ T3323] [ 29.825878][ T3323] x14: 0000000000000010 [ 29.827148][ T3326] [ 29.827151][ T3326] x14: 0000000000000000 [ 29.827615][ T3323] x13: 0000000000000000 [ 29.828580][ T3326] x13: 00000000ffffffff [ 29.829482][ T3323] x12: ffff0000c359cf80 [ 29.830021][ T3326] x12: ffff0000c547cf80 [ 29.830929][ T3323] [ 29.830932][ T3323] x11: ff808000095d1a0c [ 29.831851][ T3326] [ 29.831854][ T3326] x11: ff808000086f70dc [ 29.832784][ T3323] x10: 0000000000000000 [ 29.833889][ T3326] x10: 0000000000000000 [ 29.834859][ T3323] x9 : 0000000000000050 [ 29.835351][ T3326] x9 : ffff8000086f70dc [ 29.836162][ T3323] [ 29.836165][ T3323] x8 : 00000000000414d9 [ 29.836664][ T3326] [ 29.836666][ T3326] x8 : ffff0000c547cf80 x7 : ffff8000095d331c [ 29.837621][ T3323] x7 : ffff8000084b15e8 [ 29.838466][ T3326] x6 : 0000000000000000 [ 29.839325][ T3323] x6 : 0000000000000000 [ 29.840236][ T3326] [ 29.840239][ T3326] x5 : 0000000080180008 [ 29.841139][ T3323] [ 29.841143][ T3323] x5 : 0000000000000000 [ 29.841734][ T3326] x4 : fffffc000311c820 [ 29.842552][ T3323] x4 : 0000000000000001 x3 : 00000000000414e1 [ 29.842562][ T3323] x2 : 0000000000000000 x1 : 0000000000000dc0 x0 : 0000000000000000 [ 29.842571][ T3323] Call trace: [ 29.842574][ T3323] kmem_cache_alloc+0x17c/0x334 [ 29.843045][ T3326] x3 : 0000000080180008 [ 29.843953][ T3323] __kernfs_new_node+0x74/0x2d0 [ 29.844838][ T3326] [ 29.844841][ T3326] x2 : ffff0000c4720888 [ 29.845708][ T3323] kernfs_new_node+0x60/0xf0 [ 29.846404][ T3326] x1 : 0000000000000000 [ 29.847126][ T3323] __kernfs_create_file+0x60/0x188 [ 29.847512][ T3326] x0 : 0000000000000000 [ 29.848317][ T3323] sysfs_add_file_mode_ns+0xf8/0x1b4 [ 29.848829][ T3326] [ 29.848832][ T3326] Call trace: [ 29.850126][ T3323] internal_create_group+0x22c/0x654 [ 29.851066][ T3326] __kernfs_remove+0x6f4/0x7d8 [ 29.851867][ T3323] sysfs_create_group+0x2c/0x3c [ 29.852536][ T3326] kernfs_remove_by_name_ns+0x68/0xb8 [ 29.853002][ T3323] loop_configure+0x590/0x728 [ 29.853856][ T3326] sysfs_remove_link+0x40/0x50 [ 29.854353][ T3323] lo_ioctl+0x954/0x1024 [ 29.855389][ T3326] sysfs_slab_add+0x70/0x274 [ 29.856296][ T3323] blkdev_ioctl+0x24c/0x6d8 [ 29.857636][ T3326] __kmem_cache_create+0x60/0x118 [ 29.859470][ T3323] __arm64_sys_ioctl+0xd0/0x140 [ 29.860201][ T3326] kmem_cache_create_usercopy+0x19c/0x31c [ 29.861232][ T3323] el0_svc_common+0x138/0x220 [ 29.862105][ T3326] p9_client_create+0x618/0x758 [ 29.863105][ T3323] do_el0_svc+0x48/0x164 [ 29.863607][ T3326] v9fs_session_init+0xa4/0x9f0 [ 29.864482][ T3323] el0_svc+0x58/0x150 [ 29.865474][ T3326] v9fs_mount+0x6c/0x568 [ 29.866343][ T3323] el0t_64_sync_handler+0x84/0xf0 [ 29.867296][ T3326] legacy_get_tree+0x30/0x74 [ 29.868069][ T3323] el0t_64_sync+0x18c/0x190 [ 29.869070][ T3326] vfs_get_tree+0x40/0x140 [ 29.869476][ T3323] Code: 54000e01 34000e1b b9402a89 91002103 (f8696af8) [ 29.870039][ T3326] do_new_mount+0x1dc/0x4e4 [ 29.871084][ T3323] ---[ end trace 0000000000000000 ]--- [ 29.872092][ T3326] path_mount+0x358/0x914 [ 29.897170][ T3326] __arm64_sys_mount+0x2c4/0x3c4 [ 29.898351][ T3326] el0_svc_common+0x138/0x220 [ 29.899439][ T3326] do_el0_svc+0x48/0x164 [ 29.900390][ T3326] el0_svc+0x58/0x150 [ 29.901421][ T3326] el0t_64_sync_handler+0x84/0xf0 [ 29.902529][ T3326] el0t_64_sync+0x18c/0x190 [ 29.903271][ T3326] irq event stamp: 970 [ 29.903944][ T3326] hardirqs last enabled at (969): [] _raw_spin_unlock_irqrestore+0x48/0x8c [ 29.905946][ T3326] hardirqs last disabled at (970): [] el1_dbg+0x24/0x5c [ 29.907813][ T3326] softirqs last enabled at (636): [] local_bh_enable+0x10/0x34 [ 29.909774][ T3326] softirqs last disabled at (634): [] local_bh_disable+0x10/0x34 [ 29.911904][ T3326] ---[ end trace 0000000000000000 ]--- [ 29.913193][ T3322] CM = 0, WnR = 0 [ 29.913932][ T3322] user pgtable: 4k pages, 48-bit VAs, pgdp=000000010b460000 [ 29.915740][ T3322] [00000000000070eb] pgd=0800000104f7f003, p4d=0800000104f7f003, pud=0800000101b87003, pmd=0000000000000000 [ 30.008593][ T3323] Kernel panic - not syncing: Oops: Fatal exception [ 30.010087][ T3323] SMP: stopping secondary CPUs [ 31.088845][ T3323] SMP: failed to stop secondary CPUs 0-1 [ 31.090009][ T3323] Kernel Offset: disabled [ 31.091089][ T3323] CPU features: 0x00000,02070084,26017203 [ 31.092311][ T3323] Memory Limit: none [ 31.231913][ T3323] Rebooting in 86400 seconds..