wlan1: No active IBSS STAs - trying to scan for other IBSS networks with same SSID (merge) Bluetooth: hci2: command 0x0406 tx timeout wlan1: No active IBSS STAs - trying to scan for other IBSS networks with same SSID (merge) ieee802154 phy0 wpan0: encryption failed: -22 INFO: task kworker/0:2:4679 blocked for more than 140 seconds. ieee802154 phy1 wpan1: encryption failed: -22 Not tainted 4.19.211-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. kworker/0:2 D25784 4679 2 0x80000000 Workqueue: ipv6_addrconf addrconf_dad_work Call Trace: context_switch kernel/sched/core.c:2828 [inline] __schedule+0x887/0x2040 kernel/sched/core.c:3517 schedule+0x8d/0x1b0 kernel/sched/core.c:3561 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:3619 __mutex_lock_common kernel/locking/mutex.c:1016 [inline] __mutex_lock+0x5f0/0x1190 kernel/locking/mutex.c:1078 addrconf_dad_work+0x9c/0x10a0 net/ipv6/addrconf.c:3989 process_one_work+0x864/0x1570 kernel/workqueue.c:2153 worker_thread+0x64c/0x1130 kernel/workqueue.c:2296 kthread+0x33f/0x460 kernel/kthread.c:259 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415 INFO: task syz-executor.3:26194 blocked for more than 140 seconds. Not tainted 4.19.211-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor.3 D25968 26194 8137 0x00000004 Call Trace: context_switch kernel/sched/core.c:2828 [inline] __schedule+0x887/0x2040 kernel/sched/core.c:3517 schedule+0x8d/0x1b0 kernel/sched/core.c:3561 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:3619 __mutex_lock_common kernel/locking/mutex.c:1016 [inline] __mutex_lock+0x5f0/0x1190 kernel/locking/mutex.c:1078 load_metaops_and_vet net/sched/act_ife.c:281 [inline] populate_metalist net/sched/act_ife.c:456 [inline] tcf_ife_init+0x105b/0x1730 net/sched/act_ife.c:580 tcf_action_init_1+0xa06/0xcd0 net/sched/act_api.c:870 tcf_action_init+0x26e/0x3b0 net/sched/act_api.c:936 tcf_action_add+0xd9/0x360 net/sched/act_api.c:1317 tc_ctl_action+0x327/0x410 net/sched/act_api.c:1372 rtnetlink_rcv_msg+0x453/0xb80 net/core/rtnetlink.c:4782 netlink_rcv_skb+0x160/0x440 net/netlink/af_netlink.c:2463 netlink_unicast_kernel net/netlink/af_netlink.c:1325 [inline] netlink_unicast+0x4d5/0x690 net/netlink/af_netlink.c:1351 netlink_sendmsg+0x6c3/0xc50 net/netlink/af_netlink.c:1917 sock_sendmsg_nosec net/socket.c:651 [inline] sock_sendmsg+0xc3/0x120 net/socket.c:661 ___sys_sendmsg+0x7bb/0x8e0 net/socket.c:2227 __sys_sendmsg net/socket.c:2265 [inline] __do_sys_sendmsg net/socket.c:2274 [inline] __se_sys_sendmsg net/socket.c:2272 [inline] __x64_sys_sendmsg+0x132/0x220 net/socket.c:2272 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f80b92000e9 Code: Bad RIP value. RSP: 002b:00007f80b7b75168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f80b9312f60 RCX: 00007f80b92000e9 RDX: 0000000000000000 RSI: 0000000020000100 RDI: 0000000000000003 RBP: 00007f80b925a08d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffc4a28c88f R14: 00007f80b7b75300 R15: 0000000000022000 INFO: task syz-executor.1:26218 blocked for more than 140 seconds. Not tainted 4.19.211-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor.1 D27400 26218 25753 0x00000004 Call Trace: context_switch kernel/sched/core.c:2828 [inline] __schedule+0x887/0x2040 kernel/sched/core.c:3517 schedule+0x8d/0x1b0 kernel/sched/core.c:3561 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:3619 __mutex_lock_common kernel/locking/mutex.c:1016 [inline] __mutex_lock+0x5f0/0x1190 kernel/locking/mutex.c:1078 wiphy_new_nm+0x1761/0x1d30 net/wireless/core.c:432 ieee80211_alloc_hw_nm+0x331/0x1d40 net/mac80211/main.c:548 mac80211_hwsim_new_radio+0x1ca/0x3c60 drivers/net/wireless/mac80211_hwsim.c:2659 hwsim_new_radio_nl+0x5c3/0x850 drivers/net/wireless/mac80211_hwsim.c:3374 genl_family_rcv_msg+0x642/0xc40 net/netlink/genetlink.c:602 genl_rcv_msg+0xbf/0x160 net/netlink/genetlink.c:627 netlink_rcv_skb+0x160/0x440 net/netlink/af_netlink.c:2463 genl_rcv+0x24/0x40 net/netlink/genetlink.c:638 netlink_unicast_kernel net/netlink/af_netlink.c:1325 [inline] netlink_unicast+0x4d5/0x690 net/netlink/af_netlink.c:1351 netlink_sendmsg+0x6c3/0xc50 net/netlink/af_netlink.c:1917 sock_sendmsg_nosec net/socket.c:651 [inline] sock_sendmsg+0xc3/0x120 net/socket.c:661 ___sys_sendmsg+0x7bb/0x8e0 net/socket.c:2227 __sys_sendmsg net/socket.c:2265 [inline] __do_sys_sendmsg net/socket.c:2274 [inline] __se_sys_sendmsg net/socket.c:2272 [inline] __x64_sys_sendmsg+0x132/0x220 net/socket.c:2272 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f05d34320e9 Code: Bad RIP value. RSP: 002b:00007f05d1da7168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f05d3544f60 RCX: 00007f05d34320e9 RDX: 0000000000000000 RSI: 0000000020000400 RDI: 0000000000000004 RBP: 00007f05d348c08d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fff57b3020f R14: 00007f05d1da7300 R15: 0000000000022000 INFO: task syz-executor.4:26288 blocked for more than 140 seconds. Not tainted 4.19.211-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor.4 D27472 26288 8132 0x00000004 Call Trace: context_switch kernel/sched/core.c:2828 [inline] __schedule+0x887/0x2040 kernel/sched/core.c:3517 schedule+0x8d/0x1b0 kernel/sched/core.c:3561 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:3619 __mutex_lock_common kernel/locking/mutex.c:1016 [inline] __mutex_lock+0x5f0/0x1190 kernel/locking/mutex.c:1078 rtnl_lock net/core/rtnetlink.c:77 [inline] rtnetlink_rcv_msg+0x3fe/0xb80 net/core/rtnetlink.c:4779 netlink_rcv_skb+0x160/0x440 net/netlink/af_netlink.c:2463 netlink_unicast_kernel net/netlink/af_netlink.c:1325 [inline] netlink_unicast+0x4d5/0x690 net/netlink/af_netlink.c:1351 netlink_sendmsg+0x6c3/0xc50 net/netlink/af_netlink.c:1917 sock_sendmsg_nosec net/socket.c:651 [inline] sock_sendmsg+0xc3/0x120 net/socket.c:661 ___sys_sendmsg+0x7bb/0x8e0 net/socket.c:2227 __sys_sendmsg net/socket.c:2265 [inline] __do_sys_sendmsg net/socket.c:2274 [inline] __se_sys_sendmsg net/socket.c:2272 [inline] __x64_sys_sendmsg+0x132/0x220 net/socket.c:2272 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f6fa1e0f0e9 Code: Bad RIP value. RSP: 002b:00007f6fa0784168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f6fa1f21f60 RCX: 00007f6fa1e0f0e9 RDX: 0000000000000800 RSI: 0000000020000080 RDI: 0000000000000004 RBP: 00007f6fa1e6908d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffdc345c90f R14: 00007f6fa0784300 R15: 0000000000022000 INFO: task syz-executor.2:26293 blocked for more than 140 seconds. Not tainted 4.19.211-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor.2 D28248 26293 8130 0x00000004 Call Trace: context_switch kernel/sched/core.c:2828 [inline] __schedule+0x887/0x2040 kernel/sched/core.c:3517 schedule+0x8d/0x1b0 kernel/sched/core.c:3561 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:3619 __mutex_lock_common kernel/locking/mutex.c:1016 [inline] __mutex_lock+0x5f0/0x1190 kernel/locking/mutex.c:1078 rtnl_lock net/core/rtnetlink.c:77 [inline] rtnetlink_rcv_msg+0x3fe/0xb80 net/core/rtnetlink.c:4779 netlink_rcv_skb+0x160/0x440 net/netlink/af_netlink.c:2463 netlink_unicast_kernel net/netlink/af_netlink.c:1325 [inline] netlink_unicast+0x4d5/0x690 net/netlink/af_netlink.c:1351 netlink_sendmsg+0x6c3/0xc50 net/netlink/af_netlink.c:1917 sock_sendmsg_nosec net/socket.c:651 [inline] sock_sendmsg+0xc3/0x120 net/socket.c:661 ___sys_sendmsg+0x7bb/0x8e0 net/socket.c:2227 __sys_sendmsg net/socket.c:2265 [inline] __do_sys_sendmsg net/socket.c:2274 [inline] __se_sys_sendmsg net/socket.c:2272 [inline] __x64_sys_sendmsg+0x132/0x220 net/socket.c:2272 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7ffbfdee60e9 Code: Bad RIP value. RSP: 002b:00007ffbfc85b168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007ffbfdff8f60 RCX: 00007ffbfdee60e9 RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000013 RBP: 00007ffbfdf4008d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fff4723621f R14: 00007ffbfc85b300 R15: 0000000000022000 Showing all locks held in the system: 1 lock held by khungtaskd/1570: #0: 000000002c3a2bbc (rcu_read_lock){....}, at: debug_show_all_locks+0x53/0x265 kernel/locking/lockdep.c:4441 3 locks held by kworker/0:2/4679: #0: 000000008d8cf133 ((wq_completion)"%s"("ipv6_addrconf")){+.+.}, at: process_one_work+0x767/0x1570 kernel/workqueue.c:2124 #1: 00000000c2396de6 ((work_completion)(&(&ifa->dad_work)->work)){+.+.}, at: process_one_work+0x79c/0x1570 kernel/workqueue.c:2128 #2: 00000000cddb34b8 (rtnl_mutex){+.+.}, at: addrconf_dad_work+0x9c/0x10a0 net/ipv6/addrconf.c:3989 1 lock held by in:imklog/7800: #0: 000000006c717ddd (&f->f_pos_lock){+.+.}, at: __fdget_pos+0x26f/0x310 fs/file.c:767 2 locks held by agetty/7803: #0: 00000000842c6c7c (&tty->ldisc_sem){++++}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:272 #1: 00000000e2c79aff (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x217/0x1950 drivers/tty/n_tty.c:2154 3 locks held by kworker/1:3/9349: #0: 000000008d8cf133 ((wq_completion)"%s"("ipv6_addrconf")){+.+.}, at: process_one_work+0x767/0x1570 kernel/workqueue.c:2124 #1: 00000000b6f15a19 ((addr_chk_work).work){+.+.}, at: process_one_work+0x79c/0x1570 kernel/workqueue.c:2128 #2: 00000000cddb34b8 (rtnl_mutex){+.+.}, at: addrconf_verify_work+0xa/0x20 net/ipv6/addrconf.c:4476 3 locks held by kworker/0:4/17053: #0: 000000002449cb9f ((wq_completion)"events"){+.+.}, at: process_one_work+0x767/0x1570 kernel/workqueue.c:2124 #1: 000000000f8488c2 ((linkwatch_work).work){+.+.}, at: process_one_work+0x79c/0x1570 kernel/workqueue.c:2128 #2: 00000000cddb34b8 (rtnl_mutex){+.+.}, at: linkwatch_event+0xb/0x60 net/core/link_watch.c:236 1 lock held by syz-executor.3/26194: #0: 00000000cddb34b8 (rtnl_mutex){+.+.}, at: load_metaops_and_vet net/sched/act_ife.c:281 [inline] #0: 00000000cddb34b8 (rtnl_mutex){+.+.}, at: populate_metalist net/sched/act_ife.c:456 [inline] #0: 00000000cddb34b8 (rtnl_mutex){+.+.}, at: tcf_ife_init+0x105b/0x1730 net/sched/act_ife.c:580 1 lock held by syz-executor.3/26203: 3 locks held by syz-executor.1/26218: #0: 00000000482a85f9 (cb_lock){++++}, at: genl_rcv+0x15/0x40 net/netlink/genetlink.c:637 #1: 00000000b86646e4 (genl_mutex){+.+.}, at: genl_lock net/netlink/genetlink.c:33 [inline] #1: 00000000b86646e4 (genl_mutex){+.+.}, at: genl_rcv_msg+0x12f/0x160 net/netlink/genetlink.c:625 #2: 00000000cddb34b8 (rtnl_mutex){+.+.}, at: wiphy_new_nm+0x1761/0x1d30 net/wireless/core.c:432 1 lock held by syz-executor.4/26288: #0: 00000000cddb34b8 (rtnl_mutex){+.+.}, at: rtnl_lock net/core/rtnetlink.c:77 [inline] #0: 00000000cddb34b8 (rtnl_mutex){+.+.}, at: rtnetlink_rcv_msg+0x3fe/0xb80 net/core/rtnetlink.c:4779 1 lock held by syz-executor.2/26293: #0: 00000000cddb34b8 (rtnl_mutex){+.+.}, at: rtnl_lock net/core/rtnetlink.c:77 [inline] #0: 00000000cddb34b8 (rtnl_mutex){+.+.}, at: rtnetlink_rcv_msg+0x3fe/0xb80 net/core/rtnetlink.c:4779 1 lock held by syz-executor.2/26306: #0: 00000000cddb34b8 (rtnl_mutex){+.+.}, at: rtnl_lock net/core/rtnetlink.c:77 [inline] #0: 00000000cddb34b8 (rtnl_mutex){+.+.}, at: rtnetlink_rcv_msg+0x3fe/0xb80 net/core/rtnetlink.c:4779 1 lock held by syz-executor.2/26316: #0: 00000000cddb34b8 (rtnl_mutex){+.+.}, at: rtnl_lock net/core/rtnetlink.c:77 [inline] #0: 00000000cddb34b8 (rtnl_mutex){+.+.}, at: rtnetlink_rcv_msg+0x3fe/0xb80 net/core/rtnetlink.c:4779 ============================================= NMI backtrace for cpu 1 CPU: 1 PID: 1570 Comm: khungtaskd Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1fc/0x2ef lib/dump_stack.c:118 nmi_cpu_backtrace.cold+0x63/0xa2 lib/nmi_backtrace.c:101 nmi_trigger_cpumask_backtrace+0x1a6/0x1f0 lib/nmi_backtrace.c:62 trigger_all_cpu_backtrace include/linux/nmi.h:146 [inline] check_hung_uninterruptible_tasks kernel/hung_task.c:203 [inline] watchdog+0x991/0xe60 kernel/hung_task.c:287 kthread+0x33f/0x460 kernel/kthread.c:259 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 26203 Comm: syz-executor.3 Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:separate_irq_context kernel/locking/lockdep.c:3059 [inline] RIP: 0010:__lock_acquire+0x7f0/0x3ff0 kernel/locking/lockdep.c:3407 Code: 14 92 48 8d 6c d6 d8 48 ba 00 00 00 00 00 fc ff df 48 8d 7d 21 48 89 f9 48 c1 e9 03 0f b6 14 11 48 89 f9 83 e1 07 38 ca 7f 08 <84> d2 0f 85 c9 26 00 00 49 8d 7a 21 0f b6 6d 21 48 ba 00 00 00 00 RSP: 0018:ffff88804ad46cd8 EFLAGS: 00000097 RAX: 0000000000000b4a RBX: eebb08106f39bc0e RCX: 0000000000000001 RDX: 0000000000000000 RSI: ffff88804c812e88 RDI: ffff88804c812ea9 RBP: ffff88804c812e88 R08: 0000000000000b4a R09: 0000000000000001 R10: ffff88804c812eb0 R11: 00000000ee11417d R12: 0000000000040b4a R13: ffff88804c812600 R14: ffff88804c812ec8 R15: 0000000000000000 FS: 00007f80b7b33700(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f8e10c3c028 CR3: 0000000095a2e000 CR4: 00000000003426f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: lock_acquire+0x170/0x3c0 kernel/locking/lockdep.c:3908 __raw_spin_lock include/linux/spinlock_api_smp.h:142 [inline] _raw_spin_lock+0x2a/0x40 kernel/locking/spinlock.c:144 spin_lock include/linux/spinlock.h:329 [inline] tcf_idr_check_alloc+0x73/0x320 net/sched/act_api.c:444 tcf_ife_init+0x38e/0x1730 net/sched/act_ife.c:514 tcf_action_init_1+0xa06/0xcd0 net/sched/act_api.c:870 tcf_action_init+0x26e/0x3b0 net/sched/act_api.c:936 tcf_action_add+0xd9/0x360 net/sched/act_api.c:1317 tc_ctl_action+0x327/0x410 net/sched/act_api.c:1372 rtnetlink_rcv_msg+0x453/0xb80 net/core/rtnetlink.c:4782 netlink_rcv_skb+0x160/0x440 net/netlink/af_netlink.c:2463 netlink_unicast_kernel net/netlink/af_netlink.c:1325 [inline] netlink_unicast+0x4d5/0x690 net/netlink/af_netlink.c:1351 netlink_sendmsg+0x6c3/0xc50 net/netlink/af_netlink.c:1917 sock_sendmsg_nosec net/socket.c:651 [inline] sock_sendmsg+0xc3/0x120 net/socket.c:661 ___sys_sendmsg+0x7bb/0x8e0 net/socket.c:2227 __sys_sendmsg net/socket.c:2265 [inline] __do_sys_sendmsg net/socket.c:2274 [inline] __se_sys_sendmsg net/socket.c:2272 [inline] __x64_sys_sendmsg+0x132/0x220 net/socket.c:2272 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f80b92000e9 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f80b7b33168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f80b9313100 RCX: 00007f80b92000e9 RDX: 0000000000000000 RSI: 0000000020000100 RDI: 0000000000000003 RBP: 00007f80b925a08d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffc4a28c88f R14: 00007f80b7b33300 R15: 0000000000022000 ---------------- Code disassembly (best guess): 0: 14 92 adc $0x92,%al 2: 48 8d 6c d6 d8 lea -0x28(%rsi,%rdx,8),%rbp 7: 48 ba 00 00 00 00 00 movabs $0xdffffc0000000000,%rdx e: fc ff df 11: 48 8d 7d 21 lea 0x21(%rbp),%rdi 15: 48 89 f9 mov %rdi,%rcx 18: 48 c1 e9 03 shr $0x3,%rcx 1c: 0f b6 14 11 movzbl (%rcx,%rdx,1),%edx 20: 48 89 f9 mov %rdi,%rcx 23: 83 e1 07 and $0x7,%ecx 26: 38 ca cmp %cl,%dl 28: 7f 08 jg 0x32 * 2a: 84 d2 test %dl,%dl <-- trapping instruction 2c: 0f 85 c9 26 00 00 jne 0x26fb 32: 49 8d 7a 21 lea 0x21(%r10),%rdi 36: 0f b6 6d 21 movzbl 0x21(%rbp),%ebp 3a: 48 rex.W 3b: ba 00 00 00 00 mov $0x0,%edx