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.5:20708 blocked for more than 140 seconds. Not tainted 4.19.188-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor.5 D28712 20708 8088 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_send_open+0x190/0x1f0 fs/fuse/file.c:44 fuse_do_open+0x2bd/0x500 fs/fuse/file.c:135 fuse_open_common+0x15b/0x2c0 fs/fuse/file.c:219 do_dentry_open+0x4aa/0x1160 fs/open.c:796 do_last fs/namei.c:3421 [inline] path_openat+0x793/0x2df0 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: 0033:0x466459 Code: 44 24 18 00 00 00 00 48 8d 05 43 ba ff ff 48 89 44 24 08 48 8d 44 24 38 48 89 44 24 10 48 8d 44 24 30 48 89 44 24 18 48 8d 44 <24> 08 48 89 04 24 90 e8 5b 42 00 00 83 7c 24 30 00 7c 0a 48 8b 6c RSP: 002b:00007f35133f3188 EFLAGS: 00000246 ORIG_RAX: 0000000000000055 RAX: ffffffffffffffda RBX: 000000000056bf60 RCX: 0000000000466459 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000000 RBP: 00000000004bf9fb R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056bf60 R13: 00007ffc7b77893f R14: 00007f35133f3300 R15: 0000000000022000 Showing all locks held in the system: 1 lock held by khungtaskd/1569: #0: 000000000240a3bd (rcu_read_lock){....}, at: debug_show_all_locks+0x53/0x265 kernel/locking/lockdep.c:4440 2 locks held by agetty/7803: #0: 000000005e029bf3 (&tty->ldisc_sem){++++}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:272 #1: 000000005930f4b4 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x217/0x1950 drivers/tty/n_tty.c:2154 1 lock held by syz-executor.5/20708: #0: 000000008c84e1d3 (sb_writers#17){.+.+}, at: sb_start_write include/linux/fs.h:1579 [inline] #0: 000000008c84e1d3 (sb_writers#17){.+.+}, at: mnt_want_write+0x3a/0xb0 fs/namespace.c:360 ============================================= NMI backtrace for cpu 0 CPU: 0 PID: 1569 Comm: khungtaskd Not tainted 4.19.188-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: 7795 Comm: rs:main Q:Reg Not tainted 4.19.188-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:__schedule+0x8f1/0x2040 kernel/sched/core.c:3524 Code: 83 b8 88 0a 00 00 00 0f 85 da 0c 00 00 48 8b b5 50 ff ff ff 48 b8 00 00 00 00 00 fc ff df 48 c7 04 06 00 00 00 00 48 8b 45 d0 <65> 48 2b 04 25 28 00 00 00 0f 85 40 12 00 00 48 81 c4 a0 00 00 00 RSP: 0018:ffff8880aff778f8 EFLAGS: 00000246 RAX: 4b3763564e65ac00 RBX: ffff8880ba12b058 RCX: 0000000000000000 RDX: 1ffff11017425759 RSI: 1ffff11015feef27 RDI: ffff8880a34979a0 RBP: ffff8880aff779c0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: ffff8880ba12bac8 R13: ffff88804441c400 R14: 0000000000000000 R15: ffff8880ba12b040 FS: 00007f006b849700(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f0e83f89000 CR3: 00000000914ad000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: schedule+0x8d/0x1b0 kernel/sched/core.c:3561 freezable_schedule include/linux/freezer.h:172 [inline] futex_wait_queue_me+0x2fc/0x5e0 kernel/futex.c:2722 futex_wait+0x1ef/0x610 kernel/futex.c:2837 do_futex+0x15b/0x18a0 kernel/futex.c:3890 __do_sys_futex kernel/futex.c:3951 [inline] __se_sys_futex+0x28f/0x3b0 kernel/futex.c:3919 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f006e28a17f Code: 30 83 f8 20 75 15 be 8b 00 00 00 b8 ca 00 00 00 0f 05 83 f8 00 41 0f 94 c0 eb 0f be 80 00 00 00 45 30 c0 b8 ca 00 00 00 0f 05 <8b> 3c 24 e8 49 2d 00 00 48 8b 7c 24 08 be 01 00 00 00 31 c0 f0 0f RSP: 002b:00007f006b848c70 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f006e28a17f RDX: 0000000000000f19 RSI: 0000000000000080 RDI: 000055e7a112928c RBP: 000055e7a1129288 R08: 000055e7a1129000 R09: 000000000000078c R10: 0000000000000000 R11: 0000000000000246 R12: 00007f006b848cd0 R13: 0000000000000000 R14: 000055e79ffaf290 R15: 0000000000000000