XFS (loop3): Unmounting Filesystem 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.4:8149 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.4 D24216 8149 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 xlog_grant_head_wait+0x13b/0xcd0 fs/xfs/xfs_log.c:263 xlog_grant_head_check+0x3c8/0x420 fs/xfs/xfs_log.c:325 xfs_log_reserve+0x347/0xa70 fs/xfs/xfs_log.c:454 xfs_log_write_unmount_record+0x147/0x850 fs/xfs/xfs_log.c:854 xfs_log_unmount_write fs/xfs/xfs_log.c:953 [inline] xfs_log_quiesce+0x4a4/0x570 fs/xfs/xfs_log.c:1020 xfs_log_unmount+0x1d/0xb0 fs/xfs/xfs_log.c:1034 xfs_unmountfs+0x1b8/0x2b0 fs/xfs/xfs_mount.c:1173 xfs_fs_put_super+0x62/0x130 fs/xfs/xfs_super.c:1774 generic_shutdown_super+0x144/0x370 fs/super.c:456 kill_block_super+0x97/0xf0 fs/super.c:1185 deactivate_locked_super+0x94/0x160 fs/super.c:329 deactivate_super+0x174/0x1a0 fs/super.c:360 cleanup_mnt+0x1a8/0x290 fs/namespace.c:1098 task_work_run+0x148/0x1c0 kernel/task_work.c:113 tracehook_notify_resume include/linux/tracehook.h:193 [inline] exit_to_usermode_loop+0x251/0x2a0 arch/x86/entry/common.c:167 prepare_exit_to_usermode arch/x86/entry/common.c:198 [inline] syscall_return_slowpath arch/x86/entry/common.c:271 [inline] do_syscall_64+0x538/0x620 arch/x86/entry/common.c:296 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f8df9d92567 Code: Bad RIP value. RSP: 002b:00007ffdeafe4098 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f8df9d92567 RDX: 00007ffdeafe416b RSI: 000000000000000a RDI: 00007ffdeafe4160 RBP: 00007ffdeafe4160 R08: 00000000ffffffff R09: 00007ffdeafe3f30 R10: 000055555743f903 R11: 0000000000000246 R12: 00007f8df9debb24 R13: 00007ffdeafe5220 R14: 000055555743f810 R15: 00007ffdeafe5260 Showing all locks held in the system: 1 lock held by khungtaskd/1570: #0: 000000006a06e522 (rcu_read_lock){....}, at: debug_show_all_locks+0x53/0x265 kernel/locking/lockdep.c:4441 1 lock held by in:imklog/7800: #0: 00000000a248c671 (&f->f_pos_lock){+.+.}, at: __fdget_pos+0x26f/0x310 fs/file.c:767 1 lock held by syz-executor.4/8149: #0: 0000000076902036 (&type->s_umount_key#61){+.+.}, at: deactivate_super+0x16c/0x1a0 fs/super.c:359 ============================================= 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 01/21/2023 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: 7801 Comm: rs:main Q:Reg Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023 RIP: 0010:generic_write_end+0x0/0x1a0 fs/buffer.c:2172 Code: ff e9 db fe ff ff e8 cf 88 e7 ff e9 59 fd ff ff e8 c5 88 e7 ff e9 a8 fd ff ff e8 bb 88 e7 ff e9 01 ff ff ff 66 0f 1f 44 00 00 <41> 57 41 56 49 89 d6 41 55 45 89 f7 4d 89 cd 41 54 45 89 c4 41 81 RSP: 0018:ffff888090c7f9f0 EFLAGS: 00000293 RAX: ffff8880a367c5c0 RBX: 0000000000000000 RCX: 000000000000004a RDX: 00000000001bafb6 RSI: ffff88808ffa68f8 RDI: ffff8880a37f42c0 RBP: ffff88808ffa66f0 R08: 000000000000004a R09: ffffea00023b1d40 R10: 0000000000000001 R11: 0000000000000000 R12: 000000000000004a R13: 00000000001bafb6 R14: 000000000000004a R15: ffff888099fb2d20 FS: 00007fbc03fff700(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f468b225028 CR3: 0000000092235000 CR4: 00000000003406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: ext4_da_write_end+0x623/0xa70 fs/ext4/inode.c:3201 generic_perform_write+0x2ae/0x4d0 mm/filemap.c:3181 __generic_file_write_iter+0x24b/0x610 mm/filemap.c:3295 ext4_file_write_iter+0x2fe/0xf20 fs/ext4/file.c:272 call_write_iter include/linux/fs.h:1821 [inline] new_sync_write fs/read_write.c:474 [inline] __vfs_write+0x51b/0x770 fs/read_write.c:487 vfs_write+0x1f3/0x540 fs/read_write.c:549 ksys_write+0x12b/0x2a0 fs/read_write.c:599 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7fbc0aa6d1cd Code: c2 20 00 00 75 10 b8 01 00 00 00 0f 05 48 3d 01 f0 ff ff 73 31 c3 48 83 ec 08 e8 ae fc ff ff 48 89 04 24 b8 01 00 00 00 0f 05 <48> 8b 3c 24 48 89 c2 e8 f7 fc ff ff 48 89 d0 48 83 c4 08 48 3d 01 RSP: 002b:00007fbc03ffe590 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007fbbf4023fb0 RCX: 00007fbc0aa6d1cd RDX: 000000000000038e RSI: 00007fbbf4023fb0 RDI: 0000000000000006 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000293 R12: 00007fbbf4023d30 R13: 00007fbc03ffe5b0 R14: 000055a797924360 R15: 000000000000038e