ieee802154 phy0 wpan0: encryption failed: -22 ieee802154 phy1 wpan1: encryption failed: -22 Bluetooth: hci2: command 0x0406 tx timeout ieee802154 phy0 wpan0: encryption failed: -22 ieee802154 phy1 wpan1: encryption failed: -22 INFO: task syz-executor.4:19731 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 D28160 19731 31626 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 __flush_work+0x4bb/0x8b0 kernel/workqueue.c:2926 n_tty_poll+0x54d/0x8f0 drivers/tty/n_tty.c:2410 tty_poll+0x139/0x1b0 drivers/tty/tty_io.c:2110 vfs_poll include/linux/poll.h:90 [inline] do_select+0x8e1/0x1610 fs/select.c:507 core_sys_select+0x3ac/0x7e0 fs/select.c:650 do_pselect fs/select.c:731 [inline] __do_sys_pselect6 fs/select.c:772 [inline] __se_sys_pselect6+0x419/0x480 fs/select.c:757 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f3a24790109 Code: Bad RIP value. RSP: 002b:00007f3a23105168 EFLAGS: 00000246 ORIG_RAX: 000000000000010e RAX: ffffffffffffffda RBX: 00007f3a248a2f60 RCX: 00007f3a24790109 RDX: 0000000000000000 RSI: 00000000200000c0 RDI: 0000000000000040 RBP: 00007f3a247ea08d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000020000140 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fffbfb3785f R14: 00007f3a23105300 R15: 0000000000022000 Showing all locks held in the system: 9 locks held by kworker/u4:1/23: 1 lock held by khungtaskd/1570: #0: 0000000082557574 (rcu_read_lock){....}, at: debug_show_all_locks+0x53/0x265 kernel/locking/lockdep.c:4441 1 lock held by in:imklog/7831: #0: 0000000011ee81f1 (&f->f_pos_lock){+.+.}, at: __fdget_pos+0x26f/0x310 fs/file.c:767 1 lock held by syz-executor.4/19731: #0: 0000000036873d2f (&tty->ldisc_sem){++++}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:272 ============================================= NMI backtrace for cpu 0 CPU: 0 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 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 53 Comm: kworker/u4:3 Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: bat_events batadv_tt_purge RIP: 0010:trace_hardirqs_on+0x5a/0x210 kernel/trace/trace_preemptirq.c:31 Code: 00 10 00 31 ff 89 de e8 64 dd fa ff 85 db 74 27 e8 eb db fa ff 65 c7 05 a0 c2 9a 7e 00 00 00 00 e8 db db fa ff 48 8b 7c 24 28 <5b> 5d 41 5c 41 5d 41 5e e9 b9 ac e3 ff e8 c4 db fa ff 4c 8b 6c 24 RSP: 0018:ffff8880b5207bf0 EFLAGS: 00000093 RAX: ffff8880b51f2000 RBX: 0000000000000000 RCX: ffffffff8167a97c RDX: 0000000000000000 RSI: ffffffff8167a995 RDI: ffffffff813922a9 RBP: ffffffff87dbdb48 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000005 R11: 0000000000000000 R12: ffff8880b51f2000 R13: ffffffff813922a9 R14: 00000000000927c0 R15: dffffc0000000000 FS: 0000000000000000(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f3a247900df CR3: 00000000abada000 CR4: 00000000003406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __local_bh_enable_ip+0x159/0x270 kernel/softirq.c:194 spin_unlock_bh include/linux/spinlock.h:374 [inline] batadv_tt_local_purge+0x278/0x370 net/batman-adv/translation-table.c:1456 batadv_tt_purge+0x2c/0xa00 net/batman-adv/translation-table.c:3811 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 ---------------- Code disassembly (best guess): 0: 00 10 add %dl,(%rax) 2: 00 31 add %dh,(%rcx) 4: ff 89 de e8 64 dd decl -0x229b1722(%rcx) a: fa cli b: ff 85 db 74 27 e8 incl -0x17d88b25(%rbp) 11: eb db jmp 0xffffffee 13: fa cli 14: ff 65 c7 jmpq *-0x39(%rbp) 17: 05 a0 c2 9a 7e add $0x7e9ac2a0,%eax 1c: 00 00 add %al,(%rax) 1e: 00 00 add %al,(%rax) 20: e8 db db fa ff callq 0xfffadc00 25: 48 8b 7c 24 28 mov 0x28(%rsp),%rdi * 2a: 5b pop %rbx <-- trapping instruction 2b: 5d pop %rbp 2c: 41 5c pop %r12 2e: 41 5d pop %r13 30: 41 5e pop %r14 32: e9 b9 ac e3 ff jmpq 0xffe3acf0 37: e8 c4 db fa ff callq 0xfffadc00 3c: 4c rex.WR 3d: 8b .byte 0x8b 3e: 6c insb (%dx),%es:(%rdi) 3f: 24 .byte 0x24