[ 9.350832][ T2613] 8021q: adding VLAN 0 to HW filter on device bond0 [ 9.360758][ T2613] eql: remember to turn off Van-Jacobson compression on your slave devices [ 9.384901][ T1006] gvnic 0000:00:00.0 enp0s0: Device link is up. [ 9.390379][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): enp0s0: link becomes ready Starting sshd: OK syzkaller syzkaller login: [ 69.599253][ T110] cfg80211: failed to load regulatory.db Warning: Permanently added '10.128.10.19' (ECDSA) to the list of known hosts. executing program executing program [ 349.641895][ T3065] Cache volume key already in use (9p,,) executing program executing program executing program executing program [ 349.655047][ T3070] Cache volume key already in use (9p,,) [ 349.663508][ T3067] Cache volume key already in use (9p,,) executing program [ 349.669879][ T3069] Cache volume key already in use (9p,,) [ 349.673279][ T3071] Cache volume key already in use (9p,,) executing program executing program executing program executing program executing program [ 349.691676][ T3073] Cache volume key already in use (9p,,) executing program [ 349.699744][ T3074] Cache volume key already in use (9p,,) [ 349.700431][ T3076] Cache volume key already in use (9p,,) [ 349.701603][ T3075] Cache volume key already in use (9p,,) [ 349.710043][ T3077] ------------[ cut here ]------------ executing program executing program [ 349.711515][ T3077] WARNING: CPU: 0 PID: 3077 at fs/kernfs/dir.c:504 __kernfs_remove+0x6f4/0x7d8 [ 349.713733][ T3077] Modules linked in: [ 349.714783][ T3077] CPU: 0 PID: 3077 Comm: syz-executor301 Not tainted 6.0.0-rc4-syzkaller-17255-ga6b443748715 #0 [ 349.717594][ T3077] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/26/2022 [ 349.720282][ T3077] pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 349.722351][ T3077] pc : __kernfs_remove+0x6f4/0x7d8 [ 349.723710][ T3077] lr : __kernfs_remove+0x6f4/0x7d8 [ 349.725034][ T3077] sp : ffff8000127fb8a0 [ 349.726122][ T3077] x29: ffff8000127fb8d0 x28: ffff80000cef5861 x27: 0000000080000001 [ 349.728261][ T3077] x26: ffff0000c0011800 x25: ffff80000d33c000 x24: ffff0000cacede70 [ 349.730437][ T3077] x23: ffff0000cacede08 x22: 0000000000000000 x21: ffff0000cacede70 [ 349.732554][ T3077] x20: ffff0000cacede70 x19: ffff8000086fa014 x18: 0000000000000025 [ 349.734668][ T3077] x17: ffff80000c00d6bc x16: ffff80000db78658 x15: ffff0000c66d3500 [ 349.736813][ T3077] x14: 0000000000000000 x13: 00000000ffffffff x12: ffff0000c66d3500 [ 349.738966][ T3077] x11: ff808000086f99ac x10: 0000000000000000 x9 : ffff8000086f99ac [ 349.741123][ T3077] x8 : ffff0000c66d3500 x7 : ffff8000095d69c4 x6 : 0000000000000000 [ 349.743249][ T3077] x5 : 0000000080180001 x4 : fffffc00032b3b60 x3 : 0000000080180001 [ 349.745320][ T3077] x2 : ffff0000cacede70 x1 : 0000000000000000 x0 : 0000000000000000 [ 349.747412][ T3077] Call trace: [ 349.748264][ T3077] __kernfs_remove+0x6f4/0x7d8 [ 349.749510][ T3077] kernfs_remove_by_name_ns+0x68/0xb8 [ 349.750938][ T3077] sysfs_remove_link+0x40/0x50 [ 349.752166][ T3077] sysfs_slab_add+0x70/0x260 [ 349.753358][ T3077] __kmem_cache_create+0x60/0x118 [ 349.754699][ T3077] kmem_cache_create_usercopy+0x19c/0x31c [ 349.756176][ T3077] p9_client_create+0x618/0x758 [ 349.757472][ T3077] v9fs_session_init+0xa4/0x9f0 [ 349.758858][ T3077] v9fs_mount+0x6c/0x568 [ 349.759994][ T3077] legacy_get_tree+0x30/0x74 [ 349.761238][ T3077] vfs_get_tree+0x40/0x140 [ 349.762403][ T3077] do_new_mount+0x1dc/0x4e4 [ 349.763658][ T3077] path_mount+0x358/0x914 [ 349.764796][ T3077] __arm64_sys_mount+0x2f8/0x408 [ 349.766141][ T3077] el0_svc_common+0x138/0x220 [ 349.767384][ T3077] do_el0_svc+0x48/0x164 [ 349.768482][ T3077] el0_svc+0x58/0x150 [ 349.769507][ T3077] el0t_64_sync_handler+0x84/0xf0 [ 349.770814][ T3077] el0t_64_sync+0x18c/0x190 [ 349.772185][ T3077] irq event stamp: 806 [ 349.773257][ T3077] hardirqs last enabled at (805): [] _raw_spin_unlock_irqrestore+0x48/0x8c [ 349.776023][ T3077] hardirqs last disabled at (806): [] el1_dbg+0x24/0x5c [ 349.778237][ T3077] softirqs last enabled at (558): [] local_bh_enable+0x10/0x34 [ 349.780661][ T3077] softirqs last disabled at (556): [] local_bh_disable+0x10/0x34 [ 349.783069][ T3077] ---[ end trace 0000000000000000 ]--- executing program executing program executing program [ 349.796752][ T3078] Cache volume key already in use (9p,,) [ 349.799375][ T3079] Cache volume key already in use (9p,,) executing program [ 349.806570][ T3082] Cache volume key already in use (9p,,) [ 349.808336][ T3081] Cache volume key already in use (9p,,) executing program executing program [ 349.816170][ T3085] Cache volume key already in use (9p,,) [ 349.823975][ T3084] Cache volume key already in use (9p,,) [ 349.830679][ T3086] Cache volume key already in use (9p,,) executing program executing program executing program executing program executing program [ 349.851750][ T3089] Cache volume key already in use (9p,,) [ 349.856316][ T3091] Cache volume key already in use (9p,,) [ 349.858618][ T3088] Cache volume key already in use (9p,,) executing program executing program executing program executing program executing program executing program [ 349.885503][ T3094] Cache volume key already in use (9p,,) executing program [ 349.892776][ T3098] Cache volume key already in use (9p,,) executing program [ 349.900959][ T3097] Cache volume key already in use (9p,,) [ 349.906660][ T3099] Cache volume key already in use (9p,,) executing program executing program executing program executing program executing program executing program [ 349.930654][ T3103] Cache volume key already in use (9p,,) [ 349.934249][ T3104] Cache volume key already in use (9p,,) [ 349.940595][ T3106] Cache volume key already in use (9p,,) executing program executing program executing program [ 349.954573][ T3107] Cache volume key already in use (9p,,) executing program executing program [ 349.965168][ T3109] Cache volume key already in use (9p,,) executing program executing program executing program [ 349.982623][ T3114] Cache volume key already in use (9p,,) executing program executing program [ 349.986978][ T3112] Cache volume key already in use (9p,,) [ 349.987471][ T3115] Cache volume key already in use (9p,,) [ 349.989370][ T3113] Cache volume key already in use (9p,,) [ 349.993545][ T3110] sysfs: cannot create duplicate filename '/devices/virtual/bdi/9p-45/power/runtime_suspended_time' [ 349.996274][ T3110] CPU: 1 PID: 3110 Comm: syz-executor301 Tainted: G W 6.0.0-rc4-syzkaller-17255-ga6b443748715 #0 [ 349.999153][ T3110] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/26/2022 [ 350.001865][ T3110] Call trace: [ 350.002683][ T3110] dump_backtrace+0x1c4/0x1f0 [ 350.003834][ T3110] show_stack+0x2c/0x54 [ 350.004942][ T3110] dump_stack_lvl+0x104/0x16c [ 350.006137][ T3110] dump_stack+0x1c/0x58 [ 350.007186][ T3110] sysfs_warn_dup+0x74/0x90 [ 350.008359][ T3110] sysfs_add_file_mode_ns+0x158/0x1b4 [ 350.009768][ T3110] sysfs_merge_group+0x94/0x164 [ 350.010972][ T3110] dpm_sysfs_add+0x88/0x1bc [ 350.011818][ T3116] Cache volume key already in use (9p,,) [ 350.012074][ T3110] device_add+0x4f4/0x958 [ 350.014462][ T3110] device_create_groups_vargs+0xf4/0x15c [ 350.016026][ T3110] device_create+0x88/0xbc [ 350.017204][ T3110] bdi_register_va+0x8c/0x328 [ 350.018389][ T3110] super_setup_bdi_name+0x84/0x120 [ 350.019720][ T3110] super_setup_bdi+0x50/0x8c [ 350.020886][ T3110] v9fs_mount+0x1a4/0x568 [ 350.022071][ T3110] legacy_get_tree+0x30/0x74 [ 350.023242][ T3110] vfs_get_tree+0x40/0x140 [ 350.024370][ T3110] do_new_mount+0x1dc/0x4e4 [ 350.025521][ T3110] path_mount+0x358/0x914 [ 350.026609][ T3110] __arm64_sys_mount+0x2f8/0x408 [ 350.027858][ T3110] el0_svc_common+0x138/0x220 [ 350.029094][ T3110] do_el0_svc+0x48/0x164 [ 350.030174][ T3110] el0_svc+0x58/0x150 [ 350.031150][ T3110] el0t_64_sync_handler+0x84/0xf0 [ 350.032366][ T3110] el0t_64_sync+0x18c/0x190 executing program [ 350.037003][ T3117] Cache volume key already in use (9p,,) executing program executing program executing program