Bluetooth: hci1: command 0x0406 tx timeout ieee802154 phy0 wpan0: encryption failed: -22 ieee802154 phy1 wpan1: encryption failed: -22 ieee802154 phy0 wpan0: encryption failed: -22 ieee802154 phy1 wpan1: encryption failed: -22 INFO: task syz-executor.0:4578 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 D27816 4578 31619 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 request_wait_answer+0x3dc/0x750 fs/fuse/dev.c:485 __fuse_request_send+0x123/0x1c0 fs/fuse/dev.c:505 fuse_simple_request+0x2e6/0x820 fs/fuse/dev.c:576 fuse_dentry_revalidate+0x477/0x9f0 fs/fuse/dir.c:219 d_revalidate fs/namei.c:767 [inline] lookup_fast+0xe0e/0x1080 fs/namei.c:1616 do_last fs/namei.c:3287 [inline] path_openat+0xa11/0x2df0 fs/namei.c:3537 do_filp_open+0x18c/0x3f0 fs/namei.c:3567 do_sys_open+0x3b3/0x520 fs/open.c:1085 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7fa767dfe0e9 Code: Bad RIP value. RSP: 002b:00007fa766773168 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 00007fa767f10f60 RCX: 00007fa767dfe0e9 RDX: 0000000000000000 RSI: 0000000020002040 RDI: ffffffffffffff9c RBP: 00007fa767e5808d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffd6bafe28f R14: 00007fa766773300 R15: 0000000000022000 Showing all locks held in the system: 1 lock held by khungtaskd/1570: #0: 0000000009c91cd2 (rcu_read_lock){....}, at: debug_show_all_locks+0x53/0x265 kernel/locking/lockdep.c:4441 1 lock held by in:imklog/7815: #0: 00000000f4fcdddd (&f->f_pos_lock){+.+.}, at: __fdget_pos+0x26f/0x310 fs/file.c:767 ============================================= 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: 9461 Comm: kworker/u4:8 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_iv_send_outstanding_bat_ogm_packet RIP: 0010:deref_stack_reg+0xe/0x1d0 arch/x86/kernel/unwind_orc.c:330 Code: ff ff ff 4c 89 ef e8 21 e6 6e 00 0f b6 44 24 04 eb a0 66 2e 0f 1f 84 00 00 00 00 00 48 b8 00 00 00 00 00 fc ff df 41 56 41 55 <49> 89 d5 41 54 49 89 fc 55 48 89 f5 53 48 83 ec 68 48 c7 44 24 08 RSP: 0018:ffff888051bef5a8 EFLAGS: 00000283 RAX: dffffc0000000000 RBX: 1ffff1100a37dec1 RCX: ffffffff8b9099ed RDX: ffff888051bef7e8 RSI: ffff888051bef768 RDI: ffff888051bef7a8 RBP: 0000000000000001 R08: 0000000000000001 R09: 0000000000000001 R10: ffff888051bef807 R11: 0000000000074071 R12: ffff888051bef798 R13: ffff888051bef7dd R14: ffff888051bef7a8 R15: ffffffff8b9099e8 FS: 0000000000000000(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055bc9014cb08 CR3: 00000000a9811000 CR4: 00000000003406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: unwind_next_frame+0xf83/0x1400 arch/x86/kernel/unwind_orc.c:555 __unwind_start+0x5b8/0x960 arch/x86/kernel/unwind_orc.c:667 unwind_start arch/x86/include/asm/unwind.h:60 [inline] __save_stack_trace+0x72/0x190 arch/x86/kernel/stacktrace.c:43 save_stack mm/kasan/kasan.c:448 [inline] set_track mm/kasan/kasan.c:460 [inline] kasan_kmalloc+0xeb/0x160 mm/kasan/kasan.c:553 kmem_cache_alloc_node+0x146/0x3b0 mm/slab.c:3649 __alloc_skb+0x71/0x560 net/core/skbuff.c:193 __netdev_alloc_skb+0x76/0x460 net/core/skbuff.c:407 __netdev_alloc_skb_ip_align include/linux/skbuff.h:2700 [inline] netdev_alloc_skb_ip_align include/linux/skbuff.h:2710 [inline] batadv_iv_ogm_aggregate_new+0x106/0x4d0 net/batman-adv/bat_iv_ogm.c:745 batadv_iv_ogm_queue_add net/batman-adv/bat_iv_ogm.c:857 [inline] batadv_iv_ogm_schedule_buff+0x9c5/0x1340 net/batman-adv/bat_iv_ogm.c:1016 batadv_iv_ogm_schedule net/batman-adv/bat_iv_ogm.c:1052 [inline] batadv_iv_ogm_schedule net/batman-adv/bat_iv_ogm.c:1045 [inline] batadv_iv_send_outstanding_bat_ogm_packet+0x68c/0x7a0 net/batman-adv/bat_iv_ogm.c:1871 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), 2 bytes skipped: 0: ff 4c 89 ef decl -0x11(%rcx,%rcx,4) 4: e8 21 e6 6e 00 callq 0x6ee62a 9: 0f b6 44 24 04 movzbl 0x4(%rsp),%eax e: eb a0 jmp 0xffffffb0 10: 66 2e 0f 1f 84 00 00 nopw %cs:0x0(%rax,%rax,1) 17: 00 00 00 1a: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 21: fc ff df 24: 41 56 push %r14 26: 41 55 push %r13 * 28: 49 89 d5 mov %rdx,%r13 <-- trapping instruction 2b: 41 54 push %r12 2d: 49 89 fc mov %rdi,%r12 30: 55 push %rbp 31: 48 89 f5 mov %rsi,%rbp 34: 53 push %rbx 35: 48 83 ec 68 sub $0x68,%rsp 39: 48 rex.W 3a: c7 .byte 0xc7 3b: 44 24 08 rex.R and $0x8,%al