ieee802154 phy0 wpan0: encryption failed: -22 ieee802154 phy1 wpan1: encryption failed: -22 Bluetooth: hci0: command 0x0406 tx timeout ieee802154 phy0 wpan0: encryption failed: -22 ieee802154 phy1 wpan1: encryption failed: -22 INFO: task syz-executor.0:8124 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 D23864 8124 1 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 fuse_lock_inode+0xaf/0xe0 fs/fuse/inode.c:365 fuse_lookup+0x86/0x410 fs/fuse/dir.c:367 __lookup_slow+0x246/0x4a0 fs/namei.c:1672 lookup_slow fs/namei.c:1689 [inline] walk_component+0x7ac/0xda0 fs/namei.c:1811 link_path_walk.part.0+0x901/0x1230 fs/namei.c:2142 link_path_walk fs/namei.c:2073 [inline] path_openat+0x1db/0x2df0 fs/namei.c:3536 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: 0033:0x7f17b0e57c38 Code: Bad RIP value. RSP: 002b:00007ffdd1e3dea0 EFLAGS: 00000287 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f17b0e57c38 RDX: 0000000000090800 RSI: 00007f17b0eb2bc8 RDI: 00000000ffffff9c RBP: 00007ffdd1e3df6c R08: 0000000000090800 R09: 00007f17b0eb2bc8 R10: 0000000000000000 R11: 0000000000000287 R12: 0000000000000000 R13: 00000000001838d4 R14: 0000000000000008 R15: 00007ffdd1e3dfd0 INFO: task syz-executor.0:8394 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 D27120 8394 8124 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_lookup_name+0x24c/0x5c0 fs/fuse/dir.c:330 fuse_lookup+0xdf/0x410 fs/fuse/dir.c:368 __lookup_slow+0x246/0x4a0 fs/namei.c:1672 lookup_slow fs/namei.c:1689 [inline] walk_component+0x7ac/0xda0 fs/namei.c:1811 link_path_walk.part.0+0x901/0x1230 fs/namei.c:2142 link_path_walk fs/namei.c:2073 [inline] path_openat+0x1db/0x2df0 fs/namei.c:3536 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: 0033:0x7f17b0e0a254 Code: Bad RIP value. RSP: 002b:00007f17b01a8ec0 EFLAGS: 00000293 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f17b0e0a254 RDX: 0000000000000002 RSI: 00007f17b01a8fe0 RDI: 00000000ffffff9c RBP: 00007f17b01a8fe0 R08: 0000000000000000 R09: 00000000000010f7 R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000002 R13: 00007f17b01a8fdc R14: 00007f17b01a8fe0 R15: 0000000020001142 Showing all locks held in the system: 1 lock held by khungtaskd/1570: #0: 000000006cf63474 (rcu_read_lock){....}, at: debug_show_all_locks+0x53/0x265 kernel/locking/lockdep.c:4441 1 lock held by in:imklog/7826: 2 locks held by syz-executor.0/8124: #0: 0000000092a71e53 (&type->i_mutex_dir_key#8){++++}, at: inode_lock_shared include/linux/fs.h:758 [inline] #0: 0000000092a71e53 (&type->i_mutex_dir_key#8){++++}, at: lookup_slow fs/namei.c:1688 [inline] #0: 0000000092a71e53 (&type->i_mutex_dir_key#8){++++}, at: walk_component+0x798/0xda0 fs/namei.c:1811 #1: 00000000815659b0 (&fi->mutex){+.+.}, at: fuse_lock_inode+0xaf/0xe0 fs/fuse/inode.c:365 2 locks held by syz-executor.0/8394: #0: 0000000092a71e53 (&type->i_mutex_dir_key#8){++++}, at: inode_lock_shared include/linux/fs.h:758 [inline] #0: 0000000092a71e53 (&type->i_mutex_dir_key#8){++++}, at: lookup_slow fs/namei.c:1688 [inline] #0: 0000000092a71e53 (&type->i_mutex_dir_key#8){++++}, at: walk_component+0x798/0xda0 fs/namei.c:1811 #1: 00000000815659b0 (&fi->mutex){+.+.}, at: fuse_lock_inode+0xaf/0xe0 fs/fuse/inode.c:365 ============================================= 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 10/26/2022 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 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 8136 Comm: kworker/u4:0 Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 Workqueue: bat_events batadv_nc_worker RIP: 0010:separate_irq_context kernel/locking/lockdep.c:3045 [inline] RIP: 0010:__lock_acquire+0x7a7/0x3ff0 kernel/locking/lockdep.c:3407 Code: 89 d1 48 c1 e9 03 80 3c 11 00 0f 85 e5 26 00 00 48 8b 4c 24 18 49 89 1a 48 ba 00 00 00 00 00 fc ff df 48 c1 e9 03 0f b6 14 11 <84> d2 74 09 80 fa 03 0f 8e 93 26 00 00 41 8b 95 80 08 00 00 85 d2 RSP: 0018:ffff8880afe8f9e8 EFLAGS: 00000806 RAX: 0000000000000613 RBX: 23655e1ade3c1a41 RCX: 1ffff11015ed5928 RDX: 0000000000000000 RSI: ffff8880af6ac998 RDI: ffffffff8cdded50 RBP: ffff8880af6ac9ba R08: 0000000000000613 R09: 0000000000000002 R10: ffff8880af6ac998 R11: 0000000000000000 R12: 0000000000040613 R13: ffff8880af6ac0c0 R14: ffff8880af6ac9b0 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f3e25b1f028 CR3: 00000000a1334000 CR4: 00000000003406e0 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