Bluetooth: hci6: command 0x1009 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.5:10921 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.5 D27480 10921 19712 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_getxattr+0x214/0x3c0 fs/fuse/xattr.c:80 fuse_xattr_get+0x29/0x40 fs/fuse/xattr.c:181 vfs_getxattr_alloc+0x1ad/0x330 fs/xattr.c:320 ima_read_xattr+0x2c/0x60 security/integrity/ima/ima_appraise.c:196 process_measurement+0xdab/0x1440 security/integrity/ima/ima_main.c:280 ima_file_check+0xb9/0x100 security/integrity/ima/ima_main.c:391 do_last fs/namei.c:3425 [inline] path_openat+0x7e4/0x2df0 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: 0033:0x7ff371571109 Code: Bad RIP value. RSP: 002b:00007ff36fee6168 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 RAX: ffffffffffffffda RBX: 00007ff371683f60 RCX: 00007ff371571109 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000080 RBP: 00007ff3715cb05d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffeb99dfa2f R14: 00007ff36fee6300 R15: 0000000000022000 Showing all locks held in the system: 1 lock held by khungtaskd/1570: #0: 0000000093c3c32f (rcu_read_lock){....}, at: debug_show_all_locks+0x53/0x265 kernel/locking/lockdep.c:4441 2 locks held by in:imklog/7749: #0: 00000000072ea72e (&f->f_pos_lock){+.+.}, at: __fdget_pos+0x26f/0x310 fs/file.c:767 #1: 000000007bbea7b0 (&rq->lock){-.-.}, at: rq_lock kernel/sched/sched.h:1826 [inline] #1: 000000007bbea7b0 (&rq->lock){-.-.}, at: __schedule+0x1f9/0x2040 kernel/sched/core.c:3455 1 lock held by syz-executor.5/10921: #0: 00000000ec592782 (&iint->mutex){+.+.}, at: process_measurement+0x316/0x1440 security/integrity/ima/ima_main.c:224 ============================================= 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: 10781 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_nc_worker RIP: 0010:debug_lockdep_rcu_enabled+0x5b/0xe0 kernel/rcu/update.c:253 Code: 1f 42 d6 09 85 f6 74 79 48 c7 c0 60 f1 45 8a 48 ba 00 00 00 00 00 fc ff df 48 89 c1 83 e0 07 48 c1 e9 03 83 c0 03 0f b6 14 11 <38> d0 7c 04 84 d2 75 64 8b 0d 07 53 f5 08 85 c9 74 45 65 48 8b 1c RSP: 0018:ffff8880b35ffc28 EFLAGS: 00000206 RAX: 0000000000000003 RBX: ffff888096db0db0 RCX: 1ffffffff148be2c RDX: 0000000000000004 RSI: 0000000000000002 RDI: 0000000000000286 RBP: 0000000000000000 R08: 00000000fda5ac5d R09: 0000000000000002 R10: ffff88809033ab18 R11: 0000000000000000 R12: dffffc0000000000 R13: ffff888092de9828 R14: ffff888092de8e00 R15: 0000000000000006 FS: 0000000000000000(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fd375861028 CR3: 00000000a1367000 CR4: 00000000003406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: rcu_read_lock include/linux/rcupdate.h:628 [inline] batadv_nc_process_nc_paths.part.0+0xf1/0x3d0 net/batman-adv/network-coding.c:698 batadv_nc_process_nc_paths net/batman-adv/network-coding.c:690 [inline] batadv_nc_worker+0x9bb/0xd50 net/batman-adv/network-coding.c:739 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), 1 bytes skipped: 0: 42 d6 rex.X (bad) 2: 09 85 f6 74 79 48 or %eax,0x487974f6(%rbp) 8: c7 c0 60 f1 45 8a mov $0x8a45f160,%eax e: 48 ba 00 00 00 00 00 movabs $0xdffffc0000000000,%rdx 15: fc ff df 18: 48 89 c1 mov %rax,%rcx 1b: 83 e0 07 and $0x7,%eax 1e: 48 c1 e9 03 shr $0x3,%rcx 22: 83 c0 03 add $0x3,%eax 25: 0f b6 14 11 movzbl (%rcx,%rdx,1),%edx * 29: 38 d0 cmp %dl,%al <-- trapping instruction 2b: 7c 04 jl 0x31 2d: 84 d2 test %dl,%dl 2f: 75 64 jne 0x95 31: 8b 0d 07 53 f5 08 mov 0x8f55307(%rip),%ecx # 0x8f5533e 37: 85 c9 test %ecx,%ecx 39: 74 45 je 0x80 3b: 65 gs 3c: 48 rex.W 3d: 8b .byte 0x8b 3e: 1c .byte 0x1c