[ 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... Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.89' (ECDSA) to the list of known hosts. syzkaller login: [ 37.731331] IPVS: ftp: loaded support on port[0] = 21 [ 37.803195] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready [ 37.813892] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 37.825304] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 37.844879] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 37.859471] IPv6: ADDRCONF(NETDEV_UP): wlan1: link is not ready [ 37.866664] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 37.874342] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 37.881956] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 37.931603] ================================================================== [ 37.939247] BUG: KASAN: slab-out-of-bounds in ieee80211_key_free+0xf0/0x110 [ 37.947131] Read of size 2 at addr ffff8880a8fd0928 by task syz-executor582/8182 [ 37.955046] [ 37.956716] CPU: 1 PID: 8182 Comm: syz-executor582 Not tainted 4.19.157-syzkaller #0 [ 37.964734] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 37.974195] Call Trace: [ 37.976895] dump_stack+0x1fc/0x2fe [ 37.980673] print_address_description.cold+0x54/0x219 [ 37.985955] kasan_report_error.cold+0x8a/0x1c7 [ 37.990695] ? ieee80211_key_free+0xf0/0x110 [ 37.995636] __asan_report_load2_noabort+0x88/0x90 [ 38.000793] ? ieee80211_key_free+0xf0/0x110 [ 38.005457] ieee80211_key_free+0xf0/0x110 [ 38.010658] ieee80211_del_key+0x162/0x3d0 [ 38.015048] nl80211_del_key+0x43e/0xc20 [ 38.019120] ? nl80211_parse_key+0xed0/0xed0 [ 38.023864] ? nl80211_pre_doit+0xa2/0x620 [ 38.029517] ? __cfg80211_rdev_from_attrs+0x700/0x700 [ 38.035895] genl_family_rcv_msg+0x642/0xc40 [ 38.041790] ? genl_rcv+0x40/0x40 [ 38.045236] ? genl_rcv_msg+0x12f/0x160 [ 38.049500] ? __mutex_add_waiter+0x160/0x160 [ 38.055480] ? __radix_tree_lookup+0x216/0x370 [ 38.060268] genl_rcv_msg+0xbf/0x160 [ 38.065966] netlink_rcv_skb+0x160/0x440 [ 38.071484] ? genl_family_rcv_msg+0xc40/0xc40 [ 38.077075] ? netlink_ack+0xae0/0xae0 [ 38.083364] ? genl_rcv+0x15/0x40 [ 38.087042] genl_rcv+0x24/0x40 [ 38.090362] netlink_unicast+0x4d5/0x690 [ 38.094421] ? netlink_sendskb+0x110/0x110 [ 38.098657] ? _copy_from_iter_full+0x229/0x7c0 [ 38.103312] ? __phys_addr_symbol+0x2c/0x70 [ 38.107628] ? __check_object_size+0x17b/0x3d1 [ 38.112226] netlink_sendmsg+0x6bb/0xc40 [ 38.116298] ? aa_af_perm+0x230/0x230 [ 38.120090] ? nlmsg_notify+0x1a0/0x1a0 [ 38.124053] ? kernel_recvmsg+0x220/0x220 [ 38.128255] ? nlmsg_notify+0x1a0/0x1a0 [ 38.132244] sock_sendmsg+0xc3/0x120 [ 38.136519] ___sys_sendmsg+0x7bb/0x8e0 [ 38.140935] ? copy_msghdr_from_user+0x440/0x440 [ 38.146954] ? sock_ioctl+0x30e/0x5d0 [ 38.152256] ? dlci_ioctl_set+0x30/0x30 [ 38.157105] ? lock_downgrade+0x720/0x720 [ 38.161272] ? lock_acquire+0x170/0x3c0 [ 38.165338] ? debug_object_active_state+0x104/0x330 [ 38.170500] ? mark_held_locks+0xf0/0xf0 [ 38.174786] ? dlci_ioctl_set+0x30/0x30 [ 38.178842] ? do_vfs_ioctl+0x110/0x12e0 [ 38.182906] ? ioctl_preallocate+0x200/0x200 [ 38.187445] ? __fdget+0x1a0/0x230 [ 38.191506] __x64_sys_sendmsg+0x132/0x220 [ 38.195885] ? __sys_sendmsg+0x1b0/0x1b0 [ 38.199965] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 38.205625] ? trace_hardirqs_off_caller+0x6e/0x210 [ 38.210727] ? do_syscall_64+0x21/0x620 [ 38.214809] do_syscall_64+0xf9/0x620 [ 38.218609] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 38.223790] RIP: 0033:0x441ff9 [ 38.226993] Code: e8 ac 00 03 00 48 83 c4 18 c3 0f 1f 80 00 00 00 00 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 0f 83 7b 07 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 38.246013] RSP: 002b:00007ffd9ede8438 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 38.253867] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000441ff9 [ 38.262071] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000003 [ 38.269582] RBP: 0000000000000000 R08: 0000001d00000000 R09: 0000001d00000000 [ 38.276856] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000009422 [ 38.284208] R13: 0000000000000000 R14: 000000000000000c R15: 0000000000000004 [ 38.291690] [ 38.293315] Allocated by task 8133: [ 38.297019] __kmalloc_track_caller+0x155/0x3c0 [ 38.301811] kstrdup+0x36/0x70 [ 38.305250] kstrdup_const+0x53/0x80 [ 38.309061] __kernfs_new_node+0x9b/0x680 [ 38.313400] kernfs_new_node+0x92/0x120 [ 38.317364] kernfs_create_link+0xd1/0x228 [ 38.321619] sysfs_do_create_link_sd+0x90/0x130 [ 38.326280] sysfs_create_link+0x5f/0xc0 [ 38.330333] driver_sysfs_add+0x102/0x350 [ 38.334737] device_bind_driver+0x15/0xd0 [ 38.339189] mac80211_hwsim_new_radio+0x3c7/0x3c60 [ 38.344424] hwsim_new_radio_nl+0x5c3/0x850 [ 38.348981] genl_family_rcv_msg+0x642/0xc40 [ 38.353390] genl_rcv_msg+0xbf/0x160 [ 38.357095] netlink_rcv_skb+0x160/0x440 [ 38.361148] genl_rcv+0x24/0x40 [ 38.364440] netlink_unicast+0x4d5/0x690 [ 38.368574] netlink_sendmsg+0x6bb/0xc40 [ 38.372767] sock_sendmsg+0xc3/0x120 [ 38.376629] __sys_sendto+0x21a/0x320 [ 38.380571] __x64_sys_sendto+0xdd/0x1b0 [ 38.384659] do_syscall_64+0xf9/0x620 [ 38.388927] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 38.394650] [ 38.396359] Freed by task 3539: [ 38.399646] kfree+0xcc/0x210 [ 38.402739] usb_hcd_submit_urb+0xb93/0x23c0 [ 38.407322] usb_submit_urb+0xb2f/0x13b0 [ 38.411379] usb_start_wait_urb+0x108/0x4c0 [ 38.415776] usb_control_msg+0x31c/0x4a0 [ 38.419843] hub_suspend+0x979/0xb80 [ 38.423713] usb_suspend_both+0x260/0x830 [ 38.427995] usb_runtime_suspend+0x42/0x140 [ 38.432330] __rpm_callback+0x1ee/0x830 [ 38.436386] rpm_callback+0x18f/0x230 [ 38.440181] rpm_suspend+0x3b4/0x1500 [ 38.443995] __pm_runtime_suspend+0xbb/0x150 [ 38.448413] usb_runtime_idle+0x44/0x60 [ 38.452399] __rpm_callback+0x1ee/0x830 [ 38.456378] rpm_idle+0x200/0x970 [ 38.459846] pm_runtime_work+0x13e/0x180 [ 38.463959] process_one_work+0x864/0x1570 [ 38.468185] worker_thread+0x64c/0x1130 [ 38.472426] kthread+0x33f/0x460 [ 38.476953] ret_from_fork+0x24/0x30 [ 38.481167] [ 38.482808] The buggy address belongs to the object at ffff8880a8fd0900 [ 38.482808] which belongs to the cache kmalloc-32 of size 32 [ 38.495298] The buggy address is located 8 bytes to the right of [ 38.495298] 32-byte region [ffff8880a8fd0900, ffff8880a8fd0920) [ 38.507543] The buggy address belongs to the page: [ 38.512476] page:ffffea0002a3f400 count:1 mapcount:0 mapping:ffff88813bff01c0 index:0xffff8880a8fd0fc1 [ 38.522056] flags: 0xfff00000000100(slab) [ 38.526485] raw: 00fff00000000100 ffffea0002a46508 ffffea0002a3f5c8 ffff88813bff01c0 [ 38.535149] raw: ffff8880a8fd0fc1 ffff8880a8fd0000 000000010000003f 0000000000000000 [ 38.543481] page dumped because: kasan: bad access detected [ 38.549190] [ 38.550815] Memory state around the buggy address: [ 38.555945] ffff8880a8fd0800: 00 fc fc fc fc fc fc fc 00 fc fc fc fc fc fc fc [ 38.564598] ffff8880a8fd0880: 05 fc fc fc fc fc fc fc 00 fc fc fc fc fc fc fc [ 38.573372] >ffff8880a8fd0900: 07 fc fc fc fc fc fc fc 05 fc fc fc fc fc fc fc [ 38.580737] ^ [ 38.585506] ffff8880a8fd0980: 07 fc fc fc fc fc fc fc 07 fc fc fc fc fc fc fc [ 38.592890] ffff8880a8fd0a00: 00 02 fc fc fc fc fc fc 07 fc fc fc fc fc fc fc [ 38.600361] ================================================================== [ 38.608301] Disabling lock debugging due to kernel taint [ 38.615922] Kernel panic - not syncing: panic_on_warn set ... [ 38.615922] [ 38.623344] CPU: 1 PID: 8182 Comm: syz-executor582 Tainted: G B 4.19.157-syzkaller #0 [ 38.632637] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 38.641991] Call Trace: [ 38.644589] dump_stack+0x1fc/0x2fe [ 38.648230] panic+0x26a/0x50e [ 38.651433] ? __warn_printk+0xf3/0xf3 [ 38.655336] ? preempt_schedule_common+0x45/0xc0 [ 38.660112] ? ___preempt_schedule+0x16/0x18 [ 38.664565] ? trace_hardirqs_on+0x55/0x210 [ 38.668906] kasan_end_report+0x43/0x49 [ 38.672902] kasan_report_error.cold+0xa7/0x1c7 [ 38.677705] ? ieee80211_key_free+0xf0/0x110 [ 38.677719] __asan_report_load2_noabort+0x88/0x90 [ 38.677728] ? ieee80211_key_free+0xf0/0x110 [ 38.677738] ieee80211_key_free+0xf0/0x110 [ 38.677752] ieee80211_del_key+0x162/0x3d0 [ 38.677767] nl80211_del_key+0x43e/0xc20 [ 38.677782] ? nl80211_parse_key+0xed0/0xed0 [ 38.677798] ? nl80211_pre_doit+0xa2/0x620 [ 38.677810] ? __cfg80211_rdev_from_attrs+0x700/0x700 [ 38.677824] genl_family_rcv_msg+0x642/0xc40 [ 38.677839] ? genl_rcv+0x40/0x40 [ 38.726486] ? genl_rcv_msg+0x12f/0x160 [ 38.730564] ? __mutex_add_waiter+0x160/0x160 [ 38.735337] ? __radix_tree_lookup+0x216/0x370 [ 38.740416] genl_rcv_msg+0xbf/0x160 [ 38.744233] netlink_rcv_skb+0x160/0x440 [ 38.748374] ? genl_family_rcv_msg+0xc40/0xc40 [ 38.752961] ? netlink_ack+0xae0/0xae0 [ 38.756875] ? genl_rcv+0x15/0x40 [ 38.760320] genl_rcv+0x24/0x40 [ 38.763684] netlink_unicast+0x4d5/0x690 [ 38.767774] ? netlink_sendskb+0x110/0x110 [ 38.772091] ? _copy_from_iter_full+0x229/0x7c0 [ 38.777504] ? __phys_addr_symbol+0x2c/0x70 [ 38.781842] ? __check_object_size+0x17b/0x3d1 [ 38.786518] netlink_sendmsg+0x6bb/0xc40 [ 38.790592] ? aa_af_perm+0x230/0x230 [ 38.794496] ? nlmsg_notify+0x1a0/0x1a0 [ 38.798477] ? kernel_recvmsg+0x220/0x220 [ 38.802617] ? nlmsg_notify+0x1a0/0x1a0 [ 38.806669] sock_sendmsg+0xc3/0x120 [ 38.810384] ___sys_sendmsg+0x7bb/0x8e0 [ 38.815323] ? copy_msghdr_from_user+0x440/0x440 [ 38.820600] ? sock_ioctl+0x30e/0x5d0 [ 38.824427] ? dlci_ioctl_set+0x30/0x30 [ 38.828398] ? lock_downgrade+0x720/0x720 [ 38.832563] ? lock_acquire+0x170/0x3c0 [ 38.836552] ? debug_object_active_state+0x104/0x330 [ 38.841669] ? mark_held_locks+0xf0/0xf0 [ 38.846614] ? dlci_ioctl_set+0x30/0x30 [ 38.850609] ? do_vfs_ioctl+0x110/0x12e0 [ 38.854661] ? ioctl_preallocate+0x200/0x200 [ 38.859263] ? __fdget+0x1a0/0x230 [ 38.862799] __x64_sys_sendmsg+0x132/0x220 [ 38.867021] ? __sys_sendmsg+0x1b0/0x1b0 [ 38.871078] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 38.876453] ? trace_hardirqs_off_caller+0x6e/0x210 [ 38.881866] ? do_syscall_64+0x21/0x620 [ 38.886437] do_syscall_64+0xf9/0x620 [ 38.890259] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 38.895700] RIP: 0033:0x441ff9 [ 38.899318] Code: e8 ac 00 03 00 48 83 c4 18 c3 0f 1f 80 00 00 00 00 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 0f 83 7b 07 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 38.918322] RSP: 002b:00007ffd9ede8438 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 38.926285] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000441ff9 [ 38.934419] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000003 [ 38.941859] RBP: 0000000000000000 R08: 0000001d00000000 R09: 0000001d00000000 [ 38.949132] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000009422 [ 38.956445] R13: 0000000000000000 R14: 000000000000000c R15: 0000000000000004 [ 38.964444] Kernel Offset: disabled [ 38.968071] Rebooting in 86400 seconds..