Warning: Permanently added '10.128.1.75' (ECDSA) to the list of known hosts. 2021/08/21 07:37:43 parsed 1 programs 2021/08/21 07:37:44 executed programs: 0 [ 1583.712845][ T8470] chnl_net:caif_netlink_parms(): no params data found [ 1583.765725][ T8470] bridge0: port 1(bridge_slave_0) entered blocking state [ 1583.773818][ T8470] bridge0: port 1(bridge_slave_0) entered disabled state [ 1583.781847][ T8470] device bridge_slave_0 entered promiscuous mode [ 1583.792081][ T8470] bridge0: port 2(bridge_slave_1) entered blocking state [ 1583.799396][ T8470] bridge0: port 2(bridge_slave_1) entered disabled state [ 1583.806859][ T8470] device bridge_slave_1 entered promiscuous mode [ 1583.824901][ T8470] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 1583.835833][ T8470] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 1583.855812][ T8470] team0: Port device team_slave_0 added [ 1583.863000][ T8470] team0: Port device team_slave_1 added [ 1583.876963][ T8470] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 1583.883981][ T8470] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1583.910260][ T8470] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 1583.922743][ T8470] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 1583.929729][ T8470] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1583.955743][ T8470] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 1583.978944][ T8470] device hsr_slave_0 entered promiscuous mode [ 1583.985400][ T8470] device hsr_slave_1 entered promiscuous mode [ 1584.062188][ T8470] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 1584.071378][ T8470] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 1584.081157][ T8470] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 1584.090328][ T8470] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 1584.109092][ T8470] bridge0: port 2(bridge_slave_1) entered blocking state [ 1584.116288][ T8470] bridge0: port 2(bridge_slave_1) entered forwarding state [ 1584.124331][ T8470] bridge0: port 1(bridge_slave_0) entered blocking state [ 1584.131527][ T8470] bridge0: port 1(bridge_slave_0) entered forwarding state [ 1584.165445][ T8470] 8021q: adding VLAN 0 to HW filter on device bond0 [ 1584.177471][ T8611] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 1584.189829][ T8611] bridge0: port 1(bridge_slave_0) entered disabled state [ 1584.197535][ T8611] bridge0: port 2(bridge_slave_1) entered disabled state [ 1584.205904][ T8611] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 1584.218886][ T8470] 8021q: adding VLAN 0 to HW filter on device team0 [ 1584.229303][ T3191] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 1584.237548][ T3191] bridge0: port 1(bridge_slave_0) entered blocking state [ 1584.244651][ T3191] bridge0: port 1(bridge_slave_0) entered forwarding state [ 1584.254892][ T8611] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 1584.263595][ T8611] bridge0: port 2(bridge_slave_1) entered blocking state [ 1584.270681][ T8611] bridge0: port 2(bridge_slave_1) entered forwarding state [ 1584.289088][ T8611] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 1584.297788][ T8611] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 1584.311302][ T8470] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 1584.322833][ T8470] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 1584.335547][ T8692] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 1584.343958][ T8692] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 1584.352592][ T8692] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 1584.364143][ T8694] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 1584.377724][ T8694] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 1584.385175][ T8694] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 1584.396511][ T8470] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 1584.413021][ T3191] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 1584.429652][ T8694] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 1584.438461][ T8694] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 1584.445978][ T8694] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 1584.455753][ T8470] device veth0_vlan entered promiscuous mode [ 1584.467001][ T8470] device veth1_vlan entered promiscuous mode [ 1584.485589][ T3191] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 1584.493601][ T3191] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 1584.502344][ T3191] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 1584.512657][ T8470] device veth0_macvtap entered promiscuous mode [ 1584.521384][ T8470] device veth1_macvtap entered promiscuous mode [ 1584.535518][ T8470] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 1584.544276][ T3191] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 1584.553410][ T3191] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 1584.563699][ T8470] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 1584.571248][ T8694] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 1584.582224][ T8470] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 1584.591188][ T8470] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 1584.600999][ T8470] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 1584.610094][ T8470] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 1584.664976][ T31] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 1584.684177][ T31] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 1584.710637][ T350] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 1584.721567][ T3191] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 1584.731009][ T350] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 1584.740774][ T3191] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 1585.619675][ T8692] Bluetooth: hci0: command 0x0409 tx timeout [ 1587.698128][ T8692] Bluetooth: hci0: command 0x041b tx timeout 2021/08/21 07:37:49 executed programs: 4 [ 1589.778106][ T8445] Bluetooth: hci0: command 0x040f tx timeout [ 1591.867726][ T8445] Bluetooth: hci0: command 0x0419 tx timeout 2021/08/21 07:37:54 executed programs: 10 2021/08/21 07:38:00 executed programs: 16 2021/08/21 07:38:05 executed programs: 22 [ 1606.580927][ T3264] ieee802154 phy0 wpan0: encryption failed: -22 [ 1606.587765][ T3264] ieee802154 phy1 wpan1: encryption failed: -22 2021/08/21 07:38:10 executed programs: 28 2021/08/21 07:38:15 executed programs: 34 2021/08/21 07:38:20 executed programs: 40 2021/08/21 07:38:25 executed programs: 46 2021/08/21 07:38:30 executed programs: 52 [ 1633.250096][ T8476] Bluetooth: hci0: link tx timeout [ 1633.256357][ T8476] Bluetooth: hci0: killing stalled connection 10:aa:aa:aa:aa:aa [ 1633.266623][ T8476] Bluetooth: hci0: link tx timeout [ 1633.272711][ T8476] Bluetooth: hci0: killing stalled connection 10:aa:aa:aa:aa:aa 2021/08/21 07:38:35 executed programs: 58 [ 1635.308245][ T8612] Bluetooth: hci0: command 0x0406 tx timeout [ 1637.387647][ T8612] Bluetooth: hci0: command 0x0405 tx timeout 2021/08/21 07:38:40 executed programs: 64 2021/08/21 07:38:45 executed programs: 70 2021/08/21 07:38:51 executed programs: 76 2021/08/21 07:38:56 executed programs: 82 2021/08/21 07:39:01 executed programs: 88 2021/08/21 07:39:06 executed programs: 94 [ 1668.018533][ T3264] ieee802154 phy0 wpan0: encryption failed: -22 [ 1668.024910][ T3264] ieee802154 phy1 wpan1: encryption failed: -22 2021/08/21 07:39:11 executed programs: 100 2021/08/21 07:39:16 executed programs: 106 2021/08/21 07:39:21 executed programs: 112 2021/08/21 07:39:26 executed programs: 118 2021/08/21 07:39:31 executed programs: 124 2021/08/21 07:39:37 executed programs: 130 2021/08/21 07:39:42 executed programs: 136 2021/08/21 07:39:47 executed programs: 142 2021/08/21 07:39:52 executed programs: 148 2021/08/21 07:39:57 executed programs: 154 2021/08/21 07:40:02 executed programs: 160 2021/08/21 07:40:07 executed programs: 166 [ 1729.460073][ T3264] ieee802154 phy0 wpan0: encryption failed: -22 [ 1729.466506][ T3264] ieee802154 phy1 wpan1: encryption failed: -22 2021/08/21 07:40:12 executed programs: 172 2021/08/21 07:40:17 executed programs: 178 2021/08/21 07:40:22 executed programs: 184 2021/08/21 07:40:28 executed programs: 190 2021/08/21 07:40:33 executed programs: 196 2021/08/21 07:40:38 executed programs: 202 2021/08/21 07:40:43 executed programs: 208 2021/08/21 07:40:48 executed programs: 214 2021/08/21 07:40:53 executed programs: 220 2021/08/21 07:40:58 executed programs: 226 2021/08/21 07:41:03 executed programs: 232 2021/08/21 07:41:08 executed programs: 238 [ 1790.898700][ T3264] ieee802154 phy0 wpan0: encryption failed: -22 [ 1790.905170][ T3264] ieee802154 phy1 wpan1: encryption failed: -22 2021/08/21 07:41:13 executed programs: 244 2021/08/21 07:41:19 executed programs: 250 2021/08/21 07:41:24 executed programs: 256 2021/08/21 07:41:29 executed programs: 262 2021/08/21 07:41:34 executed programs: 268 2021/08/21 07:41:39 executed programs: 274 2021/08/21 07:41:44 executed programs: 280 2021/08/21 07:41:49 executed programs: 286 2021/08/21 07:41:54 executed programs: 292 2021/08/21 07:41:59 executed programs: 298 2021/08/21 07:42:04 executed programs: 304 2021/08/21 07:42:10 executed programs: 310 [ 1852.338719][ T3264] ieee802154 phy0 wpan0: encryption failed: -22 [ 1852.345400][ T3264] ieee802154 phy1 wpan1: encryption failed: -22 2021/08/21 07:42:15 executed programs: 316 2021/08/21 07:42:20 executed programs: 322 2021/08/21 07:42:25 executed programs: 328 2021/08/21 07:42:30 executed programs: 334 2021/08/21 07:42:35 executed programs: 340 2021/08/21 07:42:40 executed programs: 346 2021/08/21 07:42:45 executed programs: 352 2021/08/21 07:42:50 executed programs: 358 2021/08/21 07:42:55 executed programs: 364 2021/08/21 07:43:01 executed programs: 370 2021/08/21 07:43:06 executed programs: 376 2021/08/21 07:43:11 executed programs: 382 [ 1913.778195][ T3264] ieee802154 phy0 wpan0: encryption failed: -22 [ 1913.785030][ T3264] ieee802154 phy1 wpan1: encryption failed: -22 2021/08/21 07:43:16 executed programs: 388 2021/08/21 07:43:21 executed programs: 394 2021/08/21 07:43:26 executed programs: 400 2021/08/21 07:43:31 executed programs: 406 2021/08/21 07:43:36 executed programs: 412 2021/08/21 07:43:41 executed programs: 418 2021/08/21 07:43:47 executed programs: 424 2021/08/21 07:43:52 executed programs: 430 2021/08/21 07:43:57 executed programs: 436 2021/08/21 07:44:02 executed programs: 442 2021/08/21 07:44:07 executed programs: 448 2021/08/21 07:44:12 executed programs: 454 [ 1975.218148][ T3264] ieee802154 phy0 wpan0: encryption failed: -22 [ 1975.224793][ T3264] ieee802154 phy1 wpan1: encryption failed: -22 2021/08/21 07:44:17 executed programs: 460 2021/08/21 07:44:22 executed programs: 466 2021/08/21 07:44:27 executed programs: 472 2021/08/21 07:44:32 executed programs: 478 2021/08/21 07:44:38 executed programs: 484 2021/08/21 07:44:43 executed programs: 490 2021/08/21 07:44:48 executed programs: 496 2021/08/21 07:44:53 executed programs: 502 2021/08/21 07:44:58 executed programs: 508 2021/08/21 07:45:03 executed programs: 514 2021/08/21 07:45:08 executed programs: 520 2021/08/21 07:45:13 executed programs: 526 [ 2036.658332][ T3264] ieee802154 phy0 wpan0: encryption failed: -22 [ 2036.664937][ T3264] ieee802154 phy1 wpan1: encryption failed: -22 2021/08/21 07:45:18 executed programs: 532 2021/08/21 07:45:24 executed programs: 538 2021/08/21 07:45:29 executed programs: 544 2021/08/21 07:45:34 executed programs: 550 2021/08/21 07:45:39 executed programs: 556 2021/08/21 07:45:44 executed programs: 562 2021/08/21 07:45:49 executed programs: 568 2021/08/21 07:45:54 executed programs: 574 2021/08/21 07:45:59 executed programs: 580 2021/08/21 07:46:04 executed programs: 586 2021/08/21 07:46:09 executed programs: 592 [ 2089.788885][ T8445] ================================================================== [ 2089.797384][ T8445] BUG: KASAN: use-after-free in __lock_acquire+0x3d86/0x54a0 [ 2089.804755][ T8445] Read of size 8 at addr ffff888029d5b0a0 by task kworker/1:0/8445 [ 2089.812628][ T8445] [ 2089.815211][ T8445] CPU: 1 PID: 8445 Comm: kworker/1:0 Not tainted 5.14.0-rc6-syzkaller #0 [ 2089.824217][ T8445] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 2089.834255][ T8445] Workqueue: events l2cap_chan_timeout [ 2089.839929][ T8445] Call Trace: [ 2089.843193][ T8445] dump_stack_lvl+0xcd/0x134 [ 2089.847776][ T8445] print_address_description.constprop.0.cold+0x6c/0x309 [ 2089.854891][ T8445] ? __lock_acquire+0x3d86/0x54a0 [ 2089.859900][ T8445] ? __lock_acquire+0x3d86/0x54a0 [ 2089.864911][ T8445] kasan_report.cold+0x83/0xdf [ 2089.869664][ T8445] ? __lock_acquire+0x3d86/0x54a0 [ 2089.874672][ T8445] __lock_acquire+0x3d86/0x54a0 [ 2089.879506][ T8445] ? call_rcu_zapped+0xb0/0xb0 [ 2089.884257][ T8445] ? mark_lock+0xef/0x17b0 [ 2089.888831][ T8445] ? _raw_spin_unlock_irqrestore+0x3d/0x70 [ 2089.894800][ T8445] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 2089.900766][ T8445] ? lock_chain_count+0x20/0x20 [ 2089.905604][ T8445] lock_acquire+0x1ab/0x510 [ 2089.910089][ T8445] ? lock_sock_nested+0x40/0x120 [ 2089.915018][ T8445] ? lock_release+0x720/0x720 [ 2089.919678][ T8445] ? del_timer+0xc5/0x110 [ 2089.924004][ T8445] _raw_spin_lock_bh+0x2f/0x40 [ 2089.928761][ T8445] ? lock_sock_nested+0x40/0x120 [ 2089.933689][ T8445] lock_sock_nested+0x40/0x120 [ 2089.938443][ T8445] l2cap_sock_teardown_cb+0xa1/0x660 [ 2089.943804][ T8445] l2cap_chan_del+0xbc/0xa80 [ 2089.948383][ T8445] l2cap_chan_close+0x1b9/0xaf0 [ 2089.953221][ T8445] ? l2cap_rx+0x1fb0/0x1fb0 [ 2089.957884][ T8445] ? lock_release+0x720/0x720 [ 2089.962547][ T8445] ? lock_downgrade+0x6e0/0x6e0 [ 2089.967387][ T8445] l2cap_chan_timeout+0x17e/0x2f0 [ 2089.972399][ T8445] process_one_work+0x98d/0x1630 [ 2089.977325][ T8445] ? pwq_dec_nr_in_flight+0x320/0x320 [ 2089.982686][ T8445] ? rwlock_bug.part.0+0x90/0x90 [ 2089.987781][ T8445] ? _raw_spin_lock_irq+0x41/0x50 [ 2089.992795][ T8445] worker_thread+0x658/0x11f0 [ 2089.997461][ T8445] ? process_one_work+0x1630/0x1630 [ 2090.002651][ T8445] kthread+0x3e5/0x4d0 [ 2090.006704][ T8445] ? set_kthread_struct+0x130/0x130 [ 2090.011886][ T8445] ret_from_fork+0x1f/0x30 [ 2090.016293][ T8445] [ 2090.018595][ T8445] Allocated by task 12535: [ 2090.023997][ T8445] kasan_save_stack+0x1b/0x40 [ 2090.028747][ T8445] __kasan_kmalloc+0x9b/0xd0 [ 2090.033319][ T8445] sk_prot_alloc+0x110/0x290 [ 2090.037892][ T8445] sk_alloc+0x32/0xbc0 [ 2090.043319][ T8445] l2cap_sock_alloc.constprop.0+0x31/0x230 [ 2090.049114][ T8445] l2cap_sock_create+0x123/0x1f0 [ 2090.054297][ T8445] bt_sock_create+0x17c/0x340 [ 2090.060088][ T8445] __sock_create+0x353/0x790 [ 2090.064684][ T8445] __sys_socket+0xef/0x200 [ 2090.069081][ T8445] __x64_sys_socket+0x6f/0xb0 [ 2090.073739][ T8445] do_syscall_64+0x35/0xb0 [ 2090.078138][ T8445] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 2090.084014][ T8445] [ 2090.086317][ T8445] Freed by task 12536: [ 2090.090360][ T8445] kasan_save_stack+0x1b/0x40 [ 2090.095021][ T8445] kasan_set_track+0x1c/0x30 [ 2090.099591][ T8445] kasan_set_free_info+0x20/0x30 [ 2090.104512][ T8445] __kasan_slab_free+0xfb/0x130 [ 2090.109349][ T8445] slab_free_freelist_hook+0xdf/0x240 [ 2090.114703][ T8445] kfree+0xe4/0x540 [ 2090.118491][ T8445] __sk_destruct+0x6a8/0x900 [ 2090.123067][ T8445] sk_destruct+0xbd/0xe0 [ 2090.127847][ T8445] __sk_free+0xef/0x3d0 [ 2090.132010][ T8445] sk_free+0x78/0xa0 [ 2090.135908][ T8445] l2cap_sock_kill+0x203/0x240 [ 2090.141785][ T8445] l2cap_sock_release+0x184/0x200 [ 2090.146796][ T8445] __sock_release+0xcd/0x280 [ 2090.151476][ T8445] sock_close+0x18/0x20 [ 2090.155613][ T8445] __fput+0x288/0x920 [ 2090.159577][ T8445] task_work_run+0xdd/0x1a0 [ 2090.164084][ T8445] get_signal+0x1b35/0x2160 [ 2090.169142][ T8445] arch_do_signal_or_restart+0x2a9/0x1c40 [ 2090.174954][ T8445] exit_to_user_mode_prepare+0x17d/0x290 [ 2090.180568][ T8445] syscall_exit_to_user_mode+0x19/0x60 [ 2090.186015][ T8445] do_syscall_64+0x42/0xb0 [ 2090.190413][ T8445] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 2090.196288][ T8445] [ 2090.198591][ T8445] Last potentially related work creation: [ 2090.204283][ T8445] kasan_save_stack+0x1b/0x40 [ 2090.208946][ T8445] kasan_record_aux_stack+0xe5/0x110 [ 2090.214218][ T8445] call_rcu+0xb1/0x750 [ 2090.218531][ T8445] netlink_release+0xdd4/0x1dd0 [ 2090.223717][ T8445] __sock_release+0xcd/0x280 [ 2090.228308][ T8445] sock_close+0x18/0x20 [ 2090.232444][ T8445] __fput+0x288/0x920 [ 2090.236409][ T8445] task_work_run+0xdd/0x1a0 [ 2090.241154][ T8445] do_exit+0xbd4/0x2a60 [ 2090.245819][ T8445] do_group_exit+0x125/0x310 [ 2090.250399][ T8445] __x64_sys_exit_group+0x3a/0x50 [ 2090.255407][ T8445] do_syscall_64+0x35/0xb0 [ 2090.263094][ T8445] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 2090.270186][ T8445] [ 2090.272488][ T8445] Second to last potentially related work creation: [ 2090.279047][ T8445] kasan_save_stack+0x1b/0x40 [ 2090.283706][ T8445] kasan_record_aux_stack+0xe5/0x110 [ 2090.288983][ T8445] call_rcu+0xb1/0x750 [ 2090.293142][ T8445] netlink_release+0xdd4/0x1dd0 [ 2090.297978][ T8445] __sock_release+0xcd/0x280 [ 2090.302809][ T8445] sock_close+0x18/0x20 [ 2090.306949][ T8445] __fput+0x288/0x920 [ 2090.311175][ T8445] task_work_run+0xdd/0x1a0 [ 2090.315666][ T8445] do_exit+0xbd4/0x2a60 [ 2090.319803][ T8445] do_group_exit+0x125/0x310 [ 2090.324377][ T8445] __x64_sys_exit_group+0x3a/0x50 [ 2090.329385][ T8445] do_syscall_64+0x35/0xb0 [ 2090.333785][ T8445] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 2090.339664][ T8445] [ 2090.341969][ T8445] The buggy address belongs to the object at ffff888029d5b000 [ 2090.341969][ T8445] which belongs to the cache kmalloc-2k of size 2048 [ 2090.356001][ T8445] The buggy address is located 160 bytes inside of [ 2090.356001][ T8445] 2048-byte region [ffff888029d5b000, ffff888029d5b800) [ 2090.369433][ T8445] The buggy address belongs to the page: [ 2090.375475][ T8445] page:ffffea0000a75600 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x29d58 [ 2090.386651][ T8445] head:ffffea0000a75600 order:3 compound_mapcount:0 compound_pincount:0 [ 2090.395560][ T8445] flags: 0xfff00000010200(slab|head|node=0|zone=1|lastcpupid=0x7ff) [ 2090.403529][ T8445] raw: 00fff00000010200 dead000000000100 dead000000000122 ffff888010842000 [ 2090.412099][ T8445] raw: 0000000000000000 0000000080080008 00000001ffffffff 0000000000000000 [ 2090.421295][ T8445] page dumped because: kasan: bad access detected [ 2090.427684][ T8445] page_owner tracks the page as allocated [ 2090.433372][ T8445] page last allocated via order 3, migratetype Unmovable, gfp_mask 0xd2a20(GFP_ATOMIC|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 1, ts 11277830666, free_ts 0 [ 2090.450913][ T8445] get_page_from_freelist+0xa72/0x2f80 [ 2090.457135][ T8445] __alloc_pages+0x1b2/0x500 [ 2090.461703][ T8445] alloc_pages+0x18c/0x2a0 [ 2090.466100][ T8445] allocate_slab+0x32e/0x4b0 [ 2090.470758][ T8445] ___slab_alloc+0x4ba/0x820 [ 2090.475335][ T8445] __slab_alloc.constprop.0+0xa7/0xf0 [ 2090.480688][ T8445] __kmalloc_node_track_caller+0x2e3/0x360 [ 2090.486472][ T8445] pskb_expand_head+0x15e/0x1060 [ 2090.491389][ T8445] netlink_trim+0x1ea/0x240 [ 2090.495872][ T8445] netlink_broadcast_filtered+0x65/0xdc0 [ 2090.501486][ T8445] nlmsg_notify+0x90/0x250 [ 2090.505883][ T8445] rtmsg_ifinfo+0xf0/0x120 [ 2090.510369][ T8445] __dev_notify_flags+0x226/0x2b0 [ 2090.515376][ T8445] dev_change_flags+0x112/0x170 [ 2090.520640][ T8445] do_setlink+0x90a/0x3900 [ 2090.525033][ T8445] rtnl_setlink+0x24d/0x3c0 [ 2090.529692][ T8445] page_owner free stack trace missing [ 2090.535034][ T8445] [ 2090.537681][ T8445] Memory state around the buggy address: [ 2090.543285][ T8445] ffff888029d5af80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 2090.551497][ T8445] ffff888029d5b000: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 2090.559533][ T8445] >ffff888029d5b080: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 2090.568352][ T8445] ^ [ 2090.573795][ T8445] ffff888029d5b100: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 2090.581836][ T8445] ffff888029d5b180: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 2090.589962][ T8445] ================================================================== [ 2090.598284][ T8445] Disabling lock debugging due to kernel taint [ 2090.604429][ T8445] Kernel panic - not syncing: panic_on_warn set ... [ 2090.610991][ T8445] CPU: 1 PID: 8445 Comm: kworker/1:0 Tainted: G B 5.14.0-rc6-syzkaller #0 [ 2090.620775][ T8445] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 2090.631421][ T8445] Workqueue: events l2cap_chan_timeout [ 2090.637039][ T8445] Call Trace: [ 2090.640477][ T8445] dump_stack_lvl+0xcd/0x134 [ 2090.645402][ T8445] panic+0x306/0x73d [ 2090.649302][ T8445] ? __warn_printk+0xf3/0xf3 [ 2090.654599][ T8445] ? __lock_acquire+0x3d86/0x54a0 [ 2090.659781][ T8445] ? __lock_acquire+0x3d86/0x54a0 [ 2090.664787][ T8445] ? __lock_acquire+0x3d86/0x54a0 [ 2090.670316][ T8445] end_report.cold+0x5a/0x5a [ 2090.674901][ T8445] kasan_report.cold+0x71/0xdf [ 2090.679650][ T8445] ? __lock_acquire+0x3d86/0x54a0 [ 2090.684831][ T8445] __lock_acquire+0x3d86/0x54a0 [ 2090.689933][ T8445] ? call_rcu_zapped+0xb0/0xb0 [ 2090.695725][ T8445] ? mark_lock+0xef/0x17b0 [ 2090.700730][ T8445] ? _raw_spin_unlock_irqrestore+0x3d/0x70 [ 2090.706520][ T8445] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 2090.713375][ T8445] ? lock_chain_count+0x20/0x20 [ 2090.718648][ T8445] lock_acquire+0x1ab/0x510 [ 2090.723222][ T8445] ? lock_sock_nested+0x40/0x120 [ 2090.728146][ T8445] ? lock_release+0x720/0x720 [ 2090.732806][ T8445] ? del_timer+0xc5/0x110 [ 2090.737906][ T8445] _raw_spin_lock_bh+0x2f/0x40 [ 2090.742657][ T8445] ? lock_sock_nested+0x40/0x120 [ 2090.747844][ T8445] lock_sock_nested+0x40/0x120 [ 2090.752599][ T8445] l2cap_sock_teardown_cb+0xa1/0x660 [ 2090.757966][ T8445] l2cap_chan_del+0xbc/0xa80 [ 2090.762547][ T8445] l2cap_chan_close+0x1b9/0xaf0 [ 2090.767383][ T8445] ? l2cap_rx+0x1fb0/0x1fb0 [ 2090.773086][ T8445] ? lock_release+0x720/0x720 [ 2090.777745][ T8445] ? lock_downgrade+0x6e0/0x6e0 [ 2090.782579][ T8445] l2cap_chan_timeout+0x17e/0x2f0 [ 2090.789064][ T8445] process_one_work+0x98d/0x1630 [ 2090.793993][ T8445] ? pwq_dec_nr_in_flight+0x320/0x320 [ 2090.799613][ T8445] ? rwlock_bug.part.0+0x90/0x90 [ 2090.804533][ T8445] ? _raw_spin_lock_irq+0x41/0x50 [ 2090.809548][ T8445] worker_thread+0x658/0x11f0 [ 2090.814212][ T8445] ? process_one_work+0x1630/0x1630 [ 2090.819397][ T8445] kthread+0x3e5/0x4d0 [ 2090.823591][ T8445] ? set_kthread_struct+0x130/0x130 [ 2090.828862][ T8445] ret_from_fork+0x1f/0x30 [ 2090.842288][ T8445] Kernel Offset: disabled [ 2090.848322][ T8445] Rebooting in 86400 seconds..