Bluetooth: hci8: command 0x040f tx timeout Bluetooth: hci7: command 0x0419 tx timeout Bluetooth: hci8: command 0x0419 tx timeout ieee802154 phy0 wpan0: encryption failed: -22 ieee802154 phy1 wpan1: encryption failed: -22 INFO: task syz-executor.0:12764 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.0 D27232 12764 5076 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_timeout+0x92d/0xfe0 kernel/time/timer.c:1794 do_wait_for_common kernel/sched/completion.c:83 [inline] __wait_for_common kernel/sched/completion.c:104 [inline] wait_for_common+0x29c/0x470 kernel/sched/completion.c:115 crypto_wait_req include/linux/crypto.h:517 [inline] tls_do_encryption net/tls/tls_sw.c:193 [inline] tls_push_record+0xec4/0x1370 net/tls/tls_sw.c:228 tls_sw_sendmsg+0xd8b/0x1210 net/tls/tls_sw.c:427 inet_sendmsg+0x132/0x5a0 net/ipv4/af_inet.c:798 sock_sendmsg_nosec net/socket.c:651 [inline] sock_sendmsg+0xc3/0x120 net/socket.c:661 __sys_sendto+0x21a/0x320 net/socket.c:1899 __do_sys_sendto net/socket.c:1911 [inline] __se_sys_sendto net/socket.c:1907 [inline] __x64_sys_sendto+0xdd/0x1b0 net/socket.c:1907 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f16153125a9 Code: Bad RIP value. RSP: 002b:00007f1613c85168 EFLAGS: 00000246 ORIG_RAX: 000000000000002c RAX: ffffffffffffffda RBX: 00007f1615432f80 RCX: 00007f16153125a9 RDX: ffffffffffffff7f RSI: 00000000200005c0 RDI: 0000000000000005 RBP: 00007f161536d580 R08: 0000000000000000 R09: fffffffffffffe60 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffeccca5e1f R14: 00007f1613c85300 R15: 0000000000022000 Showing all locks held in the system: 1 lock held by khungtaskd/1570: #0: 000000002a0939e3 (rcu_read_lock){....}, at: debug_show_all_locks+0x53/0x265 kernel/locking/lockdep.c:4441 1 lock held by in:imklog/7806: 1 lock held by syz-executor.0/12764: #0: 000000006a77d5d7 (sk_lock-AF_INET6){+.+.}, at: lock_sock include/net/sock.h:1512 [inline] #0: 000000006a77d5d7 (sk_lock-AF_INET6){+.+.}, at: tls_sw_sendmsg+0x1b6/0x1210 net/tls/tls_sw.c:371 1 lock held by syz-executor.5/13058: #0: 000000006af908d3 (sk_lock-AF_INET6){+.+.}, at: lock_sock include/net/sock.h:1512 [inline] #0: 000000006af908d3 (sk_lock-AF_INET6){+.+.}, at: tls_sw_sendmsg+0x1b6/0x1210 net/tls/tls_sw.c:371 1 lock held by syz-executor.0/13342: #0: 00000000cfce98f9 (sk_lock-AF_INET6){+.+.}, at: lock_sock include/net/sock.h:1512 [inline] #0: 00000000cfce98f9 (sk_lock-AF_INET6){+.+.}, at: tls_sw_sendmsg+0x1b6/0x1210 net/tls/tls_sw.c:371 1 lock held by syz-executor.5/13962: #0: 00000000f956ae6b (sk_lock-AF_INET6){+.+.}, at: lock_sock include/net/sock.h:1512 [inline] #0: 00000000f956ae6b (sk_lock-AF_INET6){+.+.}, at: tls_sw_sendmsg+0x1b6/0x1210 net/tls/tls_sw.c:371 ============================================= 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 09/22/2022 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: 20658 Comm: kworker/u4:9 Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 Workqueue: bat_events batadv_nc_worker RIP: 0010:mark_irqflags kernel/locking/lockdep.c:3027 [inline] RIP: 0010:__lock_acquire+0x672/0x3ff0 kernel/locking/lockdep.c:3373 Code: 8d bd 70 08 00 00 4c 8b 54 24 20 48 b8 00 00 00 00 00 fc ff df 48 89 fa 44 8b 4c 24 28 48 c1 ea 03 44 8b 44 24 30 0f b6 04 02 <84> c0 74 08 3c 03 0f 8e e5 33 00 00 41 8b 85 70 08 00 00 85 c0 74 RSP: 0018:ffff88803b4779e8 EFLAGS: 00000802 RAX: 0000000000000000 RBX: 0000000000000006 RCX: 1ffff11013c6ed27 RDX: 1ffff11013c6ed16 RSI: ffff88809e376918 RDI: ffff88809e3768b0 RBP: ffff88809e37693a R08: 0000000000000619 R09: 0000000000000002 R10: ffff88809e376918 R11: 0000000000000000 R12: 0000000000040619 R13: ffff88809e376040 R14: ffff88809e376930 R15: 0000000000000001 FS: 0000000000000000(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f9d06990010 CR3: 00000000a5fa3000 CR4: 00000000003406f0 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_bh include/linux/spinlock_api_smp.h:135 [inline] _raw_spin_lock_bh+0x2f/0x40 kernel/locking/spinlock.c:168 spin_lock_bh include/linux/spinlock.h:334 [inline] batadv_nc_purge_paths+0xdc/0x310 net/batman-adv/network-coding.c:453 batadv_nc_worker+0x6fa/0xd50 net/batman-adv/network-coding.c:731 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