ieee802154 phy1 wpan1: encryption failed: -22 Bluetooth: hci5: command 0x0406 tx timeout ieee802154 phy1 wpan1: encryption failed: -22 ieee802154 phy1 wpan1: encryption failed: -22 INFO: task kworker/u4:12:14911 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. kworker/u4:12 D25808 14911 2 0x80000000 Workqueue: netns cleanup_net 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 ip6gre_exit_batch_net+0x82/0x6c0 net/ipv6/ip6_gre.c:1632 ops_exit_list+0xf9/0x150 net/core/net_namespace.c:156 cleanup_net+0x3b4/0x8b0 net/core/net_namespace.c:554 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 Showing all locks held in the system: 1 lock held by khungtaskd/1571: #0: 00000000886ad805 (rcu_read_lock){....}, at: debug_show_all_locks+0x53/0x265 kernel/locking/lockdep.c:4441 1 lock held by systemd-journal/4691: 4 locks held by systemd-udevd/4696: 1 lock held by in:imklog/7813: #0: 00000000eedebe69 (&f->f_pos_lock){+.+.}, at: __fdget_pos+0x26f/0x310 fs/file.c:767 3 locks held by syz-fuzzer/8108: 2 locks held by kworker/u4:10/13020: 4 locks held by kworker/u4:12/14911: #0: 0000000000f2c87d ((wq_completion)"%s""netns"){+.+.}, at: process_one_work+0x767/0x1570 kernel/workqueue.c:2124 #1: 0000000027c71c52 (net_cleanup_work){+.+.}, at: process_one_work+0x79c/0x1570 kernel/workqueue.c:2128 #2: 000000003703fc87 (pernet_ops_rwsem){++++}, at: cleanup_net+0xa8/0x8b0 net/core/net_namespace.c:521 #3: 00000000951278c4 (rtnl_mutex){+.+.}, at: ip6gre_exit_batch_net+0x82/0x6c0 net/ipv6/ip6_gre.c:1632 1 lock held by syz-executor.0/16774: 2 locks held by syz-executor.2/25102: #0: 000000000e5218e8 (&tty->ldisc_sem){++++}, at: __tty_ldisc_lock drivers/tty/tty_ldisc.c:320 [inline] #0: 000000000e5218e8 (&tty->ldisc_sem){++++}, at: tty_ldisc_lock_pair_timeout drivers/tty/tty_ldisc.c:383 [inline] #0: 000000000e5218e8 (&tty->ldisc_sem){++++}, at: tty_ldisc_lock_pair drivers/tty/tty_ldisc.c:397 [inline] #0: 000000000e5218e8 (&tty->ldisc_sem){++++}, at: tty_ldisc_release+0x7b/0x440 drivers/tty/tty_ldisc.c:805 #1: 00000000951278c4 (rtnl_mutex){+.+.}, at: x25_asy_close_tty+0x9d/0x210 drivers/net/wan/x25_asy.c:605 2 locks held by syz-executor.1/11515: 5 locks held by syz-executor.5/11523: 5 locks held by kworker/u4:1/11565: 3 locks held by kworker/1:2/11592: #0: 000000003cdbde09 ((wq_completion)"events"){+.+.}, at: process_one_work+0x767/0x1570 kernel/workqueue.c:2124 #1: 0000000050d7fc48 (deferred_process_work){+.+.}, at: process_one_work+0x79c/0x1570 kernel/workqueue.c:2128 #2: 00000000951278c4 (rtnl_mutex){+.+.}, at: switchdev_deferred_process_work+0xa/0x20 net/switchdev/switchdev.c:150 3 locks held by kworker/1:3/11595: #0: 00000000c36fc97a ((wq_completion)"%s"("ipv6_addrconf")){+.+.}, at: process_one_work+0x767/0x1570 kernel/workqueue.c:2124 #1: 00000000ab74ca82 ((addr_chk_work).work){+.+.}, at: process_one_work+0x79c/0x1570 kernel/workqueue.c:2128 #2: 00000000951278c4 (rtnl_mutex){+.+.}, at: addrconf_verify_work+0xa/0x20 net/ipv6/addrconf.c:4476 1 lock held by systemd-udevd/11596: ============================================= NMI backtrace for cpu 0 CPU: 0 PID: 1571 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: 11523 Comm: syz-executor.5 Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:apic_timer_interrupt+0x0/0x20 arch/x86/entry/entry_64.S:894 Code: 31 ff fc e8 b8 28 e0 f8 48 89 e7 e8 0a 68 e0 f8 e8 8f 28 e0 f8 e9 85 f5 ff ff c3 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 <68> 13 ff ff ff e8 46 f4 ff ff e8 01 2a 00 00 e9 2b f5 ff ff 66 66 RSP: 0018:ffff8880ba107938 EFLAGS: 00000046 RAX: 00000000ba107a00 RBX: 00007faded0dfe99 RCX: 0000000000000000 RDX: 0000000000000004 RSI: 0000000000000004 RDI: 00007faded0dfe99 RBP: 00007faded0dfe99 R08: 0000000000000000 R09: ffffed101742455a R10: ffff8880ba122ad3 R11: 0000000000074071 R12: ffff8880ba107a58 R13: 0000000000000000 R14: ffff8880b5b97900 R15: 00000000000000e8 FS: 00007fadeba55700(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000558445dad51c CR3: 00000000451b7000 CR4: 00000000003426e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600 Call Trace: RIP: 0010:is_bpf_text_address+0x0/0x1b0 kernel/bpf/core.c:543 Code: 2b 00 e9 1b ff ff ff 48 89 df e8 ab 54 2b 00 eb c1 48 89 ef e8 a1 54 2b 00 eb 82 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 <41> 54 55 48 89 fd 53 e8 c4 74 f5 ff e8 2f fb e3 ff e8 ba 74 f5 ff RSP: 0018:ffff8880ba107968 EFLAGS: 00000246 kernel_text_address kernel/extable.c:152 [inline] kernel_text_address+0xbd/0xf0 kernel/extable.c:122 __kernel_text_address+0x9/0x30 kernel/extable.c:107 unwind_get_return_address arch/x86/kernel/unwind_orc.c:297 [inline] unwind_get_return_address+0x51/0x90 arch/x86/kernel/unwind_orc.c:292 __save_stack_trace+0xaf/0x190 arch/x86/kernel/stacktrace.c:45 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 alloc_skb include/linux/skbuff.h:995 [inline] bcm_can_tx+0x259/0x800 net/can/bcm.c:287 bcm_tx_timeout_tsklet+0x1f0/0x3a0 net/can/bcm.c:414 tasklet_action_common.constprop.0+0x265/0x360 kernel/softirq.c:522 __do_softirq+0x265/0x980 kernel/softirq.c:292 invoke_softirq kernel/softirq.c:372 [inline] irq_exit+0x215/0x260 kernel/softirq.c:412 exiting_irq arch/x86/include/asm/apic.h:536 [inline] smp_apic_timer_interrupt+0x136/0x550 arch/x86/kernel/apic/apic.c:1098 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:894 RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:789 [inline] RIP: 0010:qlink_free mm/kasan/quarantine.c:150 [inline] RIP: 0010:qlist_free_all+0xfc/0x140 mm/kasan/quarantine.c:166 Code: 50 08 48 8d 4a ff 83 e2 01 48 0f 45 c1 4c 8b 70 18 e9 40 ff ff ff e8 a3 36 cf ff 48 83 3d e3 0f 59 08 00 74 38 4c 89 ff 57 9d <0f> 1f 44 00 00 4d 85 e4 75 9e 49 c7 45 08 00 00 00 00 49 c7 45 00 RSP: 0018:ffff888047d5f050 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 RAX: 0000000000000007 RBX: ffff8880b3159d40 RCX: 1ffff1100cce914a RDX: 0000000000000000 RSI: ffff888066748a58 RDI: 0000000000000286 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: ffff8880b3159e80 R13: ffff888047d5f088 R14: ffff8880b5b97900 R15: 0000000000000286 quarantine_reduce+0x1a9/0x230 mm/kasan/quarantine.c:259 kasan_kmalloc+0xa2/0x160 mm/kasan/kasan.c:538 kmem_cache_alloc+0x122/0x370 mm/slab.c:3559 kmem_cache_zalloc include/linux/slab.h:699 [inline] __kernfs_new_node+0xd2/0x680 fs/kernfs/dir.c:633 kernfs_new_node+0x92/0x120 fs/kernfs/dir.c:693 __kernfs_create_file+0x51/0x340 fs/kernfs/file.c:992 sysfs_add_file_mode_ns+0x226/0x540 fs/sysfs/file.c:307 create_files fs/sysfs/group.c:63 [inline] internal_create_group+0x355/0xb20 fs/sysfs/group.c:147 sysfs_create_group fs/sysfs/group.c:173 [inline] sysfs_create_groups fs/sysfs/group.c:200 [inline] sysfs_create_groups+0x98/0x140 fs/sysfs/group.c:190 device_add_groups drivers/base/core.c:1301 [inline] device_add_attrs drivers/base/core.c:1460 [inline] device_add+0x12ba/0x16d0 drivers/base/core.c:2139 netdev_register_kobject+0x181/0x430 net/core/net-sysfs.c:1806 register_netdevice+0xb46/0x10f0 net/core/dev.c:8730 __ip_tunnel_create+0x398/0x580 net/ipv4/ip_tunnel.c:280 ip_tunnel_init_net+0x330/0x990 net/ipv4/ip_tunnel.c:1035 vti_init_net+0x2a/0x370 net/ipv4/ip_vti.c:520 ops_init+0xb3/0x410 net/core/net_namespace.c:129 setup_net+0x2c2/0x720 net/core/net_namespace.c:316 copy_net_ns+0x1f7/0x340 net/core/net_namespace.c:439 create_new_namespaces+0x3f6/0x7b0 kernel/nsproxy.c:107 copy_namespaces+0x325/0x3c0 kernel/nsproxy.c:165 copy_process.part.0+0x3a59/0x8260 kernel/fork.c:1916 copy_process kernel/fork.c:1710 [inline] _do_fork+0x22f/0xf30 kernel/fork.c:2219 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7faded0dfe99 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 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fadeba55168 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 RAX: ffffffffffffffda RBX: 00007faded1f2f60 RCX: 00007faded0dfe99 RDX: 0000000020000400 RSI: 0000000020000240 RDI: 0000000040030900 RBP: 00007faded139ff1 R08: 0000000020000300 R09: 0000000000000000 R10: 00000000200001c0 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffc12d5cb9f R14: 00007fadeba55300 R15: 0000000000022000 ---------------- Code disassembly (best guess): 0: 31 ff xor %edi,%edi 2: fc cld 3: e8 b8 28 e0 f8 callq 0xf8e028c0 8: 48 89 e7 mov %rsp,%rdi b: e8 0a 68 e0 f8 callq 0xf8e0681a 10: e8 8f 28 e0 f8 callq 0xf8e028a4 15: e9 85 f5 ff ff jmpq 0xfffff59f 1a: c3 retq 1b: 90 nop 1c: 90 nop 1d: 90 nop 1e: 90 nop 1f: 90 nop 20: 90 nop 21: 90 nop 22: 90 nop 23: 90 nop 24: 90 nop 25: 90 nop 26: 90 nop 27: 90 nop 28: 90 nop 29: 90 nop * 2a: 68 13 ff ff ff pushq $0xffffffffffffff13 <-- trapping instruction 2f: e8 46 f4 ff ff callq 0xfffff47a 34: e8 01 2a 00 00 callq 0x2a3a 39: e9 2b f5 ff ff jmpq 0xfffff569 3e: 66 data16 3f: 66 data16