[ OK ] Listening on Load/Save RF Kill Switch Status /dev/rfkill Watch. [ OK ] Started Getty on tty6. [ OK ] Started Getty on tty5. [ OK ] Reached target Login Prompts. [ OK ] Reached target Multi-User System. [ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... [ OK ] Started Update UTMP about System Runlevel Changes. Starting Load/Save RF Kill Switch Status... [ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.1.79' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program syzkaller login: [ 35.017111] FAULT_INJECTION: forcing a failure. [ 35.017111] name failslab, interval 1, probability 0, space 0, times 1 [ 35.029085] CPU: 1 PID: 8108 Comm: syz-executor410 Not tainted 4.19.211-syzkaller #0 [ 35.037437] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 35.046908] Call Trace: [ 35.049600] dump_stack+0x1fc/0x2ef [ 35.053242] should_fail.cold+0xa/0xf [ 35.057213] ? setup_fault_attr+0x200/0x200 [ 35.061532] ? lock_acquire+0x170/0x3c0 [ 35.065500] __should_failslab+0x115/0x180 [ 35.069743] should_failslab+0x5/0x10 [ 35.073737] kmem_cache_alloc_node_trace+0x244/0x3b0 [ 35.078876] setup_kmem_cache_node+0x211/0x510 [ 35.083671] __do_tune_cpucache+0x161/0x210 [ 35.088082] enable_cpucache+0x50/0x130 [ 35.092149] __kmem_cache_create+0x1a7/0x260 [ 35.096837] create_cache+0xd1/0x1f0 [ 35.100902] kmem_cache_create_usercopy+0x1a6/0x240 [ 35.105918] kmem_cache_create+0xd/0x10 [ 35.110091] ieee80211_mesh_init_sdata+0x47c/0x550 [ 35.115202] ieee80211_setup_sdata+0xcb2/0xf70 [ 35.119781] ieee80211_if_add+0xd7f/0x1700 [ 35.124028] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 35.129042] ieee80211_add_iface+0x99/0x160 [ 35.133347] ? ieee80211_del_iface+0x20/0x20 [ 35.137755] nl80211_new_interface+0x531/0x1570 [ 35.142452] ? nl80211_prepare_wdev_dump+0x550/0x550 [ 35.147544] ? nl80211_notify_iface+0x1b0/0x1b0 [ 35.152220] ? nl80211_pre_doit+0xa2/0x620 [ 35.156453] ? __cfg80211_rdev_from_attrs+0x700/0x700 [ 35.161634] genl_family_rcv_msg+0x642/0xc40 [ 35.166033] ? genl_rcv+0x40/0x40 [ 35.169567] ? genl_rcv_msg+0x12f/0x160 [ 35.173537] ? mutex_trylock+0x1a0/0x1a0 [ 35.177606] ? __radix_tree_lookup+0x216/0x370 [ 35.182235] genl_rcv_msg+0xbf/0x160 [ 35.186028] netlink_rcv_skb+0x160/0x440 [ 35.190192] ? genl_family_rcv_msg+0xc40/0xc40 [ 35.194766] ? netlink_ack+0xae0/0xae0 [ 35.198830] ? genl_rcv+0x15/0x40 [ 35.202285] genl_rcv+0x24/0x40 [ 35.205588] netlink_unicast+0x4d5/0x690 [ 35.209651] ? netlink_sendskb+0x110/0x110 [ 35.213880] ? _copy_from_iter_full+0x229/0x7c0 [ 35.218590] ? __phys_addr_symbol+0x2c/0x70 [ 35.222922] ? __check_object_size+0x17b/0x3e0 [ 35.227501] netlink_sendmsg+0x6c3/0xc50 [ 35.231564] ? aa_af_perm+0x230/0x230 [ 35.235443] ? nlmsg_notify+0x1f0/0x1f0 [ 35.239429] ? kernel_recvmsg+0x220/0x220 [ 35.243600] ? nlmsg_notify+0x1f0/0x1f0 [ 35.247559] sock_sendmsg+0xc3/0x120 [ 35.251265] ___sys_sendmsg+0x7bb/0x8e0 [ 35.255230] ? check_preemption_disabled+0x41/0x280 [ 35.260261] ? copy_msghdr_from_user+0x440/0x440 [ 35.265011] ? __fget+0x32f/0x510 [ 35.268464] ? lock_downgrade+0x720/0x720 [ 35.272597] ? check_preemption_disabled+0x41/0x280 [ 35.277792] ? check_preemption_disabled+0x41/0x280 [ 35.283018] ? __fget+0x356/0x510 [ 35.286464] ? do_dup2+0x450/0x450 [ 35.289989] ? lock_downgrade+0x720/0x720 [ 35.294302] ? vfs_write+0x3d7/0x540 [ 35.298019] ? __fdget+0x1d0/0x230 [ 35.301822] __x64_sys_sendmsg+0x132/0x220 [ 35.306047] ? __sys_sendmsg+0x1b0/0x1b0 [ 35.310106] ? vfs_write+0x393/0x540 [ 35.314111] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 35.319649] ? trace_hardirqs_off_caller+0x6e/0x210 [ 35.324769] ? do_syscall_64+0x21/0x620 [ 35.328760] do_syscall_64+0xf9/0x620 [ 35.332564] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 35.337746] RIP: 0033:0x7fb2d7aa0789 [ 35.341450] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 15 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 35.360417] RSP: 002b:00007fb2d7a512e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 35.368119] RAX: ffffffffffffffda RBX: 00007fb2d7b294c0 RCX: 00007fb2d7aa0789 [ 35.375555] RDX: 0000000000000000 RSI: 0000000020000400 RDI: 0000000000000003 [ 35.382819] RBP: 00007fb2d7b294cc R08: 0000000000000002 R09: 0000000000003131 [ 35.390464] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb2d7a512f0 [ 35.397737] R13: 00007fb2d7b294c8 R14: 0000000700050008 R15: 0000000000000002 [ 35.406489] enable_cpucache failed for mesh_rmc, error 12 [ 35.412404] kmem_cache_create(mesh_rmc) failed with error -12 [ 35.418849] CPU: 1 PID: 8108 Comm: syz-executor410 Not tainted 4.19.211-syzkaller #0 [ 35.426830] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 35.436195] Call Trace: [ 35.438821] dump_stack+0x1fc/0x2ef [ 35.442460] kmem_cache_create_usercopy.cold+0x23/0xae [ 35.447749] kmem_cache_create+0xd/0x10 [ 35.451708] ieee80211_mesh_init_sdata+0x47c/0x550 [ 35.456651] ieee80211_setup_sdata+0xcb2/0xf70 [ 35.461233] ieee80211_if_add+0xd7f/0x1700 [ 35.465467] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 35.470471] ieee80211_add_iface+0x99/0x160 [ 35.474795] ? ieee80211_del_iface+0x20/0x20 [ 35.479201] nl80211_new_interface+0x531/0x1570 [ 35.483981] ? nl80211_prepare_wdev_dump+0x550/0x550 [ 35.489081] ? nl80211_notify_iface+0x1b0/0x1b0 [ 35.493773] ? nl80211_pre_doit+0xa2/0x620 [ 35.497995] ? __cfg80211_rdev_from_attrs+0x700/0x700 [ 35.503205] genl_family_rcv_msg+0x642/0xc40 [ 35.507602] ? genl_rcv+0x40/0x40 [ 35.511034] ? genl_rcv_msg+0x12f/0x160 [ 35.514999] ? mutex_trylock+0x1a0/0x1a0 [ 35.519139] ? __radix_tree_lookup+0x216/0x370 [ 35.523766] genl_rcv_msg+0xbf/0x160 [ 35.527487] netlink_rcv_skb+0x160/0x440 [ 35.531803] ? genl_family_rcv_msg+0xc40/0xc40 [ 35.536376] ? netlink_ack+0xae0/0xae0 [ 35.540363] ? genl_rcv+0x15/0x40 [ 35.543900] genl_rcv+0x24/0x40 [ 35.547376] netlink_unicast+0x4d5/0x690 [ 35.551994] ? netlink_sendskb+0x110/0x110 [ 35.556235] ? _copy_from_iter_full+0x229/0x7c0 [ 35.560893] ? __phys_addr_symbol+0x2c/0x70 [ 35.565212] ? __check_object_size+0x17b/0x3e0 [ 35.569813] netlink_sendmsg+0x6c3/0xc50 [ 35.573881] ? aa_af_perm+0x230/0x230 [ 35.577683] ? nlmsg_notify+0x1f0/0x1f0 [ 35.581742] ? kernel_recvmsg+0x220/0x220 [ 35.585884] ? nlmsg_notify+0x1f0/0x1f0 [ 35.589871] sock_sendmsg+0xc3/0x120 [ 35.593578] ___sys_sendmsg+0x7bb/0x8e0 [ 35.597550] ? check_preemption_disabled+0x41/0x280 [ 35.602652] ? copy_msghdr_from_user+0x440/0x440 [ 35.607686] ? __fget+0x32f/0x510 [ 35.611143] ? lock_downgrade+0x720/0x720 [ 35.615297] ? check_preemption_disabled+0x41/0x280 [ 35.620303] ? check_preemption_disabled+0x41/0x280 [ 35.625501] ? __fget+0x356/0x510 [ 35.628962] ? do_dup2+0x450/0x450 [ 35.632502] ? lock_downgrade+0x720/0x720 [ 35.636661] ? vfs_write+0x3d7/0x540 [ 35.640459] ? __fdget+0x1d0/0x230 [ 35.644103] __x64_sys_sendmsg+0x132/0x220 [ 35.649070] ? __sys_sendmsg+0x1b0/0x1b0 [ 35.653251] ? vfs_write+0x393/0x540 [ 35.656997] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 35.662363] ? trace_hardirqs_off_caller+0x6e/0x210 [ 35.667380] ? do_syscall_64+0x21/0x620 [ 35.671461] do_syscall_64+0xf9/0x620 [ 35.675267] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 35.680542] RIP: 0033:0x7fb2d7aa0789 [ 35.684249] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 15 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 35.703621] RSP: 002b:00007fb2d7a512e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 35.711340] RAX: ffffffffffffffda RBX: 00007fb2d7b294c0 RCX: 00007fb2d7aa0789 executing program executing program executing program executing program executing program executing program [ 35.718618] RDX: 0000000000000000 RSI: 0000000020000400 RDI: 0000000000000003 [ 35.725881] RBP: 00007fb2d7b294cc R08: 0000000000000002 R09: 0000000000003131 [ 35.733331] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb2d7a512f0 [ 35.740707] R13: 00007fb2d7b294c8 R14: 0000000700050008 R15: 0000000000000002 [ 35.801262] FAULT_INJECTION: forcing a failure. [ 35.801262] name failslab, interval 1, probability 0, space 0, times 0 [ 35.813890] CPU: 0 PID: 8148 Comm: syz-executor410 Not tainted 4.19.211-syzkaller #0 [ 35.821794] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 35.831179] Call Trace: [ 35.833968] dump_stack+0x1fc/0x2ef [ 35.837584] should_fail.cold+0xa/0xf [ 35.841385] ? setup_fault_attr+0x200/0x200 [ 35.845732] ? lock_acquire+0x170/0x3c0 [ 35.849716] __should_failslab+0x115/0x180 [ 35.854060] should_failslab+0x5/0x10 [ 35.857857] kmem_cache_alloc_trace+0x284/0x380 [ 35.862530] ieee80211_mesh_init_sdata+0xe7/0x550 [ 35.867430] ieee80211_setup_sdata+0xcb2/0xf70 [ 35.872178] ieee80211_if_add+0xd7f/0x1700 [ 35.876606] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 35.881755] ieee80211_add_iface+0x99/0x160 [ 35.886088] ? ieee80211_del_iface+0x20/0x20 [ 35.890598] nl80211_new_interface+0x531/0x1570 [ 35.895289] ? nl80211_prepare_wdev_dump+0x550/0x550 [ 35.900415] ? nl80211_notify_iface+0x1b0/0x1b0 [ 35.905173] ? nl80211_pre_doit+0xa2/0x620 [ 35.909443] ? __cfg80211_rdev_from_attrs+0x700/0x700 [ 35.914626] genl_family_rcv_msg+0x642/0xc40 [ 35.919037] ? genl_rcv+0x40/0x40 [ 35.922485] ? genl_rcv_msg+0x12f/0x160 [ 35.926636] ? mutex_trylock+0x1a0/0x1a0 [ 35.930701] ? __radix_tree_lookup+0x216/0x370 [ 35.935290] genl_rcv_msg+0xbf/0x160 [ 35.939040] netlink_rcv_skb+0x160/0x440 [ 35.943103] ? genl_family_rcv_msg+0xc40/0xc40 [ 35.948013] ? netlink_ack+0xae0/0xae0 [ 35.951907] ? genl_rcv+0x15/0x40 [ 35.955611] genl_rcv+0x24/0x40 [ 35.958888] netlink_unicast+0x4d5/0x690 [ 35.962952] ? netlink_sendskb+0x110/0x110 [ 35.967188] ? _copy_from_iter_full+0x229/0x7c0 [ 35.971872] ? __phys_addr_symbol+0x2c/0x70 [ 35.976196] ? __check_object_size+0x17b/0x3e0 [ 35.981163] netlink_sendmsg+0x6c3/0xc50 [ 35.985219] ? aa_af_perm+0x230/0x230 [ 35.989019] ? nlmsg_notify+0x1f0/0x1f0 [ 35.992979] ? kernel_recvmsg+0x220/0x220 [ 35.997130] ? nlmsg_notify+0x1f0/0x1f0 [ 36.001110] sock_sendmsg+0xc3/0x120 [ 36.004817] ___sys_sendmsg+0x7bb/0x8e0 [ 36.009000] ? check_preemption_disabled+0x41/0x280 [ 36.014014] ? copy_msghdr_from_user+0x440/0x440 [ 36.018793] ? __fget+0x32f/0x510 [ 36.022275] ? lock_downgrade+0x720/0x720 [ 36.026522] ? check_preemption_disabled+0x41/0x280 [ 36.031659] ? check_preemption_disabled+0x41/0x280 [ 36.036694] ? __fget+0x356/0x510 [ 36.040152] ? do_dup2+0x450/0x450 [ 36.043692] ? lock_downgrade+0x720/0x720 [ 36.047832] ? vfs_write+0x3d7/0x540 [ 36.051556] ? __fdget+0x1d0/0x230 [ 36.055112] __x64_sys_sendmsg+0x132/0x220 [ 36.059336] ? __sys_sendmsg+0x1b0/0x1b0 [ 36.063446] ? vfs_write+0x393/0x540 [ 36.067268] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 36.072824] ? trace_hardirqs_off_caller+0x6e/0x210 [ 36.077846] ? do_syscall_64+0x21/0x620 [ 36.082084] do_syscall_64+0xf9/0x620 [ 36.085877] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 36.091072] RIP: 0033:0x7fb2d7aa0789 [ 36.094785] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 15 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 36.114455] RSP: 002b:00007fb2d7a512e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 36.122263] RAX: ffffffffffffffda RBX: 00007fb2d7b294c0 RCX: 00007fb2d7aa0789 [ 36.129524] RDX: 0000000000000000 RSI: 0000000020000400 RDI: 0000000000000003 [ 36.136783] RBP: 00007fb2d7b294cc R08: 0000000000000002 R09: 0000000000003131 [ 36.144040] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb2d7a512f0 [ 36.151478] R13: 00007fb2d7b294c8 R14: 0000000700050008 R15: 0000000000000002 [ 36.169872] FAULT_INJECTION: forcing a failure. [ 36.169872] name failslab, interval 1, probability 0, space 0, times 0 [ 36.181963] CPU: 0 PID: 8145 Comm: syz-executor410 Not tainted 4.19.211-syzkaller #0 [ 36.190190] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 36.199645] Call Trace: [ 36.202238] dump_stack+0x1fc/0x2ef [ 36.205854] should_fail.cold+0xa/0xf [ 36.209653] ? setup_fault_attr+0x200/0x200 [ 36.213978] ? lock_acquire+0x170/0x3c0 [ 36.217971] __should_failslab+0x115/0x180 [ 36.222202] should_failslab+0x5/0x10 [ 36.225996] kmem_cache_alloc_node_trace+0x244/0x3b0 [ 36.231099] __kmalloc_node+0x38/0x70 [ 36.234997] kvmalloc_node+0x61/0xf0 [ 36.238785] alloc_netdev_mqs+0x831/0xd50 [ 36.242926] ? ieee80211_setup_sdata+0xf70/0xf70 [ 36.247684] ieee80211_if_add+0x205/0x1700 [ 36.251918] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 36.256929] ieee80211_add_iface+0x99/0x160 [ 36.261352] ? ieee80211_del_iface+0x20/0x20 [ 36.266014] nl80211_new_interface+0x531/0x1570 [ 36.270676] ? nl80211_prepare_wdev_dump+0x550/0x550 [ 36.275774] ? nl80211_notify_iface+0x1b0/0x1b0 [ 36.280450] ? nl80211_pre_doit+0xa2/0x620 [ 36.284729] ? __cfg80211_rdev_from_attrs+0x700/0x700 [ 36.290102] genl_family_rcv_msg+0x642/0xc40 [ 36.294512] ? genl_rcv+0x40/0x40 [ 36.297949] ? genl_rcv_msg+0x12f/0x160 [ 36.301923] ? mutex_trylock+0x1a0/0x1a0 [ 36.305972] ? __radix_tree_lookup+0x216/0x370 [ 36.310559] genl_rcv_msg+0xbf/0x160 [ 36.314443] netlink_rcv_skb+0x160/0x440 [ 36.318504] ? genl_family_rcv_msg+0xc40/0xc40 [ 36.323163] ? netlink_ack+0xae0/0xae0 [ 36.327173] ? genl_rcv+0x15/0x40 [ 36.330624] genl_rcv+0x24/0x40 [ 36.333945] netlink_unicast+0x4d5/0x690 [ 36.338020] ? netlink_sendskb+0x110/0x110 [ 36.342254] ? _copy_from_iter_full+0x229/0x7c0 [ 36.346929] ? __phys_addr_symbol+0x2c/0x70 [ 36.351298] ? __check_object_size+0x17b/0x3e0 [ 36.355880] netlink_sendmsg+0x6c3/0xc50 [ 36.359949] ? aa_af_perm+0x230/0x230 [ 36.363750] ? nlmsg_notify+0x1f0/0x1f0 [ 36.367734] ? kernel_recvmsg+0x220/0x220 [ 36.371969] ? nlmsg_notify+0x1f0/0x1f0 [ 36.376052] sock_sendmsg+0xc3/0x120 [ 36.379820] ___sys_sendmsg+0x7bb/0x8e0 [ 36.383823] ? check_preemption_disabled+0x41/0x280 [ 36.389020] ? copy_msghdr_from_user+0x440/0x440 [ 36.393954] ? __fget+0x32f/0x510 [ 36.397418] ? lock_downgrade+0x720/0x720 [ 36.401646] ? check_preemption_disabled+0x41/0x280 [ 36.406834] ? check_preemption_disabled+0x41/0x280 [ 36.411846] ? __fget+0x356/0x510 [ 36.415281] ? do_dup2+0x450/0x450 [ 36.418826] ? lock_downgrade+0x720/0x720 [ 36.423069] ? vfs_write+0x3d7/0x540 [ 36.426774] ? __fdget+0x1d0/0x230 [ 36.430327] __x64_sys_sendmsg+0x132/0x220 [ 36.434558] ? __sys_sendmsg+0x1b0/0x1b0 [ 36.438608] ? vfs_write+0x393/0x540 [ 36.442341] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 36.448048] ? trace_hardirqs_off_caller+0x6e/0x210 [ 36.453155] ? do_syscall_64+0x21/0x620 [ 36.457127] do_syscall_64+0xf9/0x620 [ 36.460924] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 36.466109] RIP: 0033:0x7fb2d7aa0789 [ 36.469806] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 15 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 36.488690] RSP: 002b:00007fb2d7a512e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 36.496485] RAX: ffffffffffffffda RBX: 00007fb2d7b294c0 RCX: 00007fb2d7aa0789 executing program executing program executing program [ 36.503743] RDX: 0000000000000000 RSI: 0000000020000400 RDI: 0000000000000003 [ 36.510994] RBP: 00007fb2d7b294cc R08: 0000000000000002 R09: 0000000000003131 [ 36.518263] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb2d7a512f0 [ 36.525514] R13: 00007fb2d7b294c8 R14: 0000000700050008 R15: 0000000000000002 [ 36.545152] FAULT_INJECTION: forcing a failure. [ 36.545152] name failslab, interval 1, probability 0, space 0, times 0 [ 36.558776] CPU: 1 PID: 8146 Comm: syz-executor410 Not tainted 4.19.211-syzkaller #0 [ 36.566766] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 36.576128] Call Trace: [ 36.578756] dump_stack+0x1fc/0x2ef [ 36.582419] should_fail.cold+0xa/0xf [ 36.586232] ? setup_fault_attr+0x200/0x200 [ 36.590673] ? should_fail+0x142/0x7b0 [ 36.594660] ? fs_reclaim_release+0xd0/0x110 [ 36.599082] ? setup_fault_attr+0x200/0x200 [ 36.603429] __should_failslab+0x115/0x180 [ 36.607745] should_failslab+0x5/0x10 [ 36.611542] kmem_cache_alloc_trace+0x46/0x380 [ 36.616474] mesh_table_alloc+0x3d/0x160 [ 36.620553] mesh_pathtbl_init+0x11/0xd0 [ 36.624607] ieee80211_mesh_init_sdata+0x28e/0x550 [ 36.629638] ieee80211_setup_sdata+0xcb2/0xf70 [ 36.634235] ieee80211_if_add+0xd7f/0x1700 [ 36.638465] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 36.643736] ieee80211_add_iface+0x99/0x160 [ 36.648069] ? ieee80211_del_iface+0x20/0x20 [ 36.652467] nl80211_new_interface+0x531/0x1570 [ 36.657121] ? nl80211_prepare_wdev_dump+0x550/0x550 [ 36.662207] ? nl80211_notify_iface+0x1b0/0x1b0 [ 36.666872] ? nl80211_pre_doit+0xa2/0x620 [ 36.671112] ? __cfg80211_rdev_from_attrs+0x700/0x700 [ 36.676318] genl_family_rcv_msg+0x642/0xc40 [ 36.680824] ? genl_rcv+0x40/0x40 [ 36.684277] ? genl_rcv_msg+0x12f/0x160 [ 36.688346] ? mutex_trylock+0x1a0/0x1a0 [ 36.692417] ? __radix_tree_lookup+0x216/0x370 [ 36.697013] genl_rcv_msg+0xbf/0x160 [ 36.700719] netlink_rcv_skb+0x160/0x440 [ 36.704793] ? genl_family_rcv_msg+0xc40/0xc40 [ 36.709454] ? netlink_ack+0xae0/0xae0 [ 36.713801] ? genl_rcv+0x15/0x40 [ 36.717420] genl_rcv+0x24/0x40 [ 36.720711] netlink_unicast+0x4d5/0x690 [ 36.724876] ? netlink_sendskb+0x110/0x110 [ 36.729148] ? _copy_from_iter_full+0x229/0x7c0 [ 36.733906] ? __phys_addr_symbol+0x2c/0x70 [ 36.738400] ? __check_object_size+0x17b/0x3e0 [ 36.742977] netlink_sendmsg+0x6c3/0xc50 [ 36.747130] ? aa_af_perm+0x230/0x230 [ 36.750923] ? nlmsg_notify+0x1f0/0x1f0 [ 36.754901] ? kernel_recvmsg+0x220/0x220 [ 36.759143] ? nlmsg_notify+0x1f0/0x1f0 [ 36.763109] sock_sendmsg+0xc3/0x120 [ 36.766876] ___sys_sendmsg+0x7bb/0x8e0 [ 36.770842] ? check_preemption_disabled+0x41/0x280 [ 36.775876] ? copy_msghdr_from_user+0x440/0x440 [ 36.780693] ? __fget+0x32f/0x510 [ 36.784183] ? lock_downgrade+0x720/0x720 [ 36.788425] ? check_preemption_disabled+0x41/0x280 [ 36.793560] ? check_preemption_disabled+0x41/0x280 [ 36.799287] ? __fget+0x356/0x510 [ 36.802822] ? do_dup2+0x450/0x450 [ 36.806360] ? lock_downgrade+0x720/0x720 [ 36.810496] ? vfs_write+0x3d7/0x540 [ 36.814214] ? __fdget+0x1d0/0x230 [ 36.817745] __x64_sys_sendmsg+0x132/0x220 [ 36.821966] ? __sys_sendmsg+0x1b0/0x1b0 [ 36.826031] ? vfs_write+0x393/0x540 [ 36.829748] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 36.835118] ? trace_hardirqs_off_caller+0x6e/0x210 [ 36.840155] ? do_syscall_64+0x21/0x620 [ 36.844140] do_syscall_64+0xf9/0x620 [ 36.847947] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 36.853127] RIP: 0033:0x7fb2d7aa0789 [ 36.856830] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 15 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 36.875893] RSP: 002b:00007fb2d7a512e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 36.883600] RAX: ffffffffffffffda RBX: 00007fb2d7b294c0 RCX: 00007fb2d7aa0789 [ 36.890858] RDX: 0000000000000000 RSI: 0000000020000400 RDI: 0000000000000003 [ 36.898119] RBP: 00007fb2d7b294cc R08: 0000000000000002 R09: 0000000000003131 executing program executing program executing program executing program [ 36.905500] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb2d7a512f0 [ 36.912882] R13: 00007fb2d7b294c8 R14: 0000000700050008 R15: 0000000000000002 [ 36.945395] BUG: unable to handle kernel NULL pointer dereference at 0000000000000080 [ 36.953391] PGD 0 P4D 0 [ 36.956348] Oops: 0002 [#1] PREEMPT SMP KASAN [ 36.960935] CPU: 0 PID: 14 Comm: kworker/0:1 Not tainted 4.19.211-syzkaller #0 [ 36.968290] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 36.977648] Workqueue: events cfg80211_destroy_iface_wk [ 36.983122] RIP: 0010:try_to_grab_pending+0xcd/0x6f0 [ 36.988230] Code: 3c 02 00 0f 85 26 05 00 00 4c 89 6d 00 e8 4b 53 29 00 31 ff 44 89 e6 e8 81 2c 24 00 45 84 e4 0f 85 da 01 00 00 e8 43 2b 24 00 48 0f ba 2b 00 41 0f 92 c4 31 ff 44 89 e6 e8 5f 2c 24 00 45 84 [ 37.007231] RSP: 0018:ffff8880b5a97870 EFLAGS: 00010093 [ 37.012620] RAX: ffff8880b5a82380 RBX: 0000000000000080 RCX: ffffffff813e5a1f [ 37.019988] RDX: 0000000000000000 RSI: ffffffff813e5a2d RDI: 0000000000000001 [ 37.027357] RBP: ffff8880b5a978e8 R08: 0000000000400000 R09: 0000000000000000 [ 37.035170] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000000 [ 37.042469] R13: 0000000000000293 R14: dffffc0000000010 R15: ffff8880b5a82380 executing program executing program [ 37.049916] FS: 0000000000000000(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000 [ 37.058150] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 37.064323] CR2: 0000000000000080 CR3: 00000000a8b63000 CR4: 00000000003406f0 [ 37.072378] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 37.079667] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 37.087470] Call Trace: [ 37.090058] __cancel_work_timer+0xa6/0x590 [ 37.094372] ? try_to_grab_pending+0x6f0/0x6f0 [ 37.098938] ? trace_hardirqs_off+0x64/0x200 [ 37.103344] ? _raw_spin_unlock_irqrestore+0x66/0xe0 [ 37.108636] ? debug_check_no_obj_freed+0x201/0x490 [ 37.113751] ? mark_held_locks+0xa6/0xf0 [ 37.117811] ? ieee80211_if_setup_no_queue+0x110/0x110 [ 37.123088] rhashtable_free_and_destroy+0x2b/0x970 [ 37.128102] ? mesh_path_tbl_expire.constprop.0+0x1d0/0x1d0 [ 37.133910] ? mesh_rmc_free+0x19b/0x230 [ 37.138044] ? ieee80211_if_setup_no_queue+0x110/0x110 [ 37.143330] mesh_pathtbl_unregister+0x42/0xa0 [ 37.147936] ieee80211_uninit+0x7e/0x90 [ 37.152057] rollback_registered_many+0x927/0xe70 [ 37.156983] ? generic_xdp_install+0x550/0x550 [ 37.161868] ? ieee80211_if_remove+0x6c/0x390 [ 37.166375] ? ieee80211_if_remove+0x16b/0x390 [ 37.170957] rollback_registered+0xe9/0x1b0 [ 37.173651] FAULT_INJECTION: forcing a failure. [ 37.173651] name failslab, interval 1, probability 0, space 0, times 0 [ 37.175309] ? rollback_registered_many+0xe70/0xe70 [ 37.175328] ? wait_for_completion_io+0x10/0x10 [ 37.187158] CPU: 1 PID: 8203 Comm: syz-executor410 Not tainted 4.19.211-syzkaller #0 [ 37.191721] unregister_netdevice_queue+0x1de/0x3e0 [ 37.196342] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 37.204312] ieee80211_if_remove+0x213/0x390 [ 37.209296] Call Trace: [ 37.218758] ieee80211_del_iface+0x12/0x20 [ 37.223228] dump_stack+0x1fc/0x2ef [ 37.225794] cfg80211_destroy_ifaces+0x1d0/0x750 [ 37.230481] should_fail.cold+0xa/0xf [ 37.234098] cfg80211_destroy_iface_wk+0x1a/0x20 [ 37.238842] ? setup_fault_attr+0x200/0x200 [ 37.242637] process_one_work+0x864/0x1570 [ 37.247366] ? lock_downgrade+0x720/0x720 [ 37.251770] ? pwq_dec_nr_in_flight+0x2d0/0x2d0 [ 37.256098] ? lock_acquire+0x170/0x3c0 [ 37.260327] worker_thread+0x64c/0x1130 [ 37.264989] __should_failslab+0x115/0x180 [ 37.268967] ? __kthread_parkme+0x133/0x1e0 [ 37.272918] should_failslab+0x5/0x10 [ 37.277251] ? process_one_work+0x1570/0x1570 [ 37.281634] kmem_cache_alloc+0x3f/0x370 [ 37.285603] kthread+0x33f/0x460 [ 37.290705] __debug_object_init+0x6d9/0x9b0 [ 37.294847] ? kthread_park+0x180/0x180 [ 37.298287] ? lock_downgrade+0x720/0x720 [ 37.302773] ret_from_fork+0x24/0x30 [ 37.306724] ? debug_object_destroy+0x240/0x240 [ 37.310897] Modules linked in: [ 37.314632] ? trace_hardirqs_on+0x55/0x210 [ 37.319278] CR2: 0000000000000080 [ 37.322459] debug_object_activate+0x382/0x450 [ 37.326755] ---[ end trace 35f022831dcf777c ]--- [ 37.330188] ? debug_object_assert_init+0x2e0/0x2e0 [ 37.334749] RIP: 0010:try_to_grab_pending+0xcd/0x6f0 [ 37.339477] ? lock_downgrade+0x720/0x720 [ 37.344464] Code: 3c 02 00 0f 85 26 05 00 00 4c 89 6d 00 e8 4b 53 29 00 31 ff 44 89 e6 e8 81 2c 24 00 45 84 e4 0f 85 da 01 00 00 e8 43 2b 24 00 48 0f ba 2b 00 41 0f 92 c4 31 ff 44 89 e6 e8 5f 2c 24 00 45 84 [ 37.349557] ? lock_acquire+0x170/0x3c0 [ 37.353682] RSP: 0018:ffff8880b5a97870 EFLAGS: 00010093 [ 37.372780] ? trace_hardirqs_off+0x64/0x200 [ 37.376722] RAX: ffff8880b5a82380 RBX: 0000000000000080 RCX: ffffffff813e5a1f [ 37.382074] ? trace_hardirqs_on+0x55/0x210 [ 37.386462] RDX: 0000000000000000 RSI: ffffffff813e5a2d RDI: 0000000000000001 [ 37.393717] ? find_alive_thread+0x130/0x130 [ 37.398010] RBP: ffff8880b5a978e8 R08: 0000000000400000 R09: 0000000000000000 [ 37.405273] __call_rcu.constprop.0+0x31/0x7f0 [ 37.409653] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000000 [ 37.416905] ? trace_hardirqs_on+0x55/0x210 [ 37.421476] R13: 0000000000000293 R14: dffffc0000000010 R15: ffff8880b5a82380 [ 37.428744] do_exit+0x15be/0x2be0 [ 37.433221] FS: 0000000000000000(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000 [ 37.440499] ? mm_update_next_owner+0x650/0x650 [ 37.444009] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 37.452225] ? lock_downgrade+0x720/0x720 [ 37.456876] CR2: 0000000000000080 CR3: 00000000a8b63000 CR4: 00000000003406f0 [ 37.462883] ? lock_acquire+0x170/0x3c0 [ 37.467000] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 37.474341] ? get_signal+0x219/0x1f70 [ 37.478292] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 37.485657] do_group_exit+0x125/0x310 [ 37.489535] Kernel panic - not syncing: Fatal exception [ 37.496805] get_signal+0x3f2/0x1f70 [ 37.509696] do_signal+0x8f/0x1670 [ 37.513249] ? do_dup2+0x450/0x450 [ 37.516778] ? lock_downgrade+0x720/0x720 [ 37.520927] ? setup_sigcontext+0x820/0x820 [ 37.525323] ? __fdget+0x1d0/0x230 [ 37.528853] ? fput+0x2b/0x190 [ 37.532033] ? __se_sys_futex+0x28f/0x3b0 [ 37.536171] ? __se_sys_futex+0x298/0x3b0 [ 37.540345] ? do_futex+0x1880/0x1880 [ 37.544138] exit_to_usermode_loop+0x204/0x2a0 [ 37.548717] do_syscall_64+0x538/0x620 [ 37.552631] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 37.557817] RIP: 0033:0x7fb2d7aa0789 [ 37.561528] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 15 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 37.580426] RSP: 002b:00007fb2d7a0f2e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 37.588121] RAX: fffffffffffffe00 RBX: 00007fb2d7b294e0 RCX: 00007fb2d7aa0789 [ 37.595379] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007fb2d7b294e8 [ 37.602634] RBP: 00007fb2d7b294ec R08: 0000000000003131 R09: 0000000000003131 [ 37.609886] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb2d7a0f2f0 [ 37.617138] R13: 00007fb2d7b294e8 R14: 0000000700050008 R15: 0000000000000002 [ 37.624591] Kernel Offset: disabled [ 37.628205] Rebooting in 86400 seconds..