ieee802154 phy0 wpan0: encryption failed: -22 aoe: packet could not be sent on wpan1. consider increasing tx_queue_len ieee802154 phy0 wpan0: encryption failed: -22 aoe: packet could not be sent on wpan1. consider increasing tx_queue_len INFO: task syz-executor.4:8144 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 D24064 8144 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: 0033:0x7fbef4f87567 Code: Bad RIP value. RSP: 002b:00007ffc4b197828 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fbef4f87567 RDX: 00007ffc4b1978fc RSI: 000000000000000a RDI: 00007ffc4b1978f0 RBP: 00007ffc4b1978f0 R08: 00000000ffffffff R09: 00007ffc4b1976c0 R10: 000055555584b903 R11: 0000000000000246 R12: 00007fbef4fe0b24 R13: 00007ffc4b1989b0 R14: 000055555584b810 R15: 00007ffc4b1989f0 Showing all locks held in the system: 1 lock held by khungtaskd/1568: #0: 00000000a39878e8 (rcu_read_lock){....}, at: debug_show_all_locks+0x53/0x265 kernel/locking/lockdep.c:4441 1 lock held by in:imklog/7803: #0: 0000000031f869e1 (&f->f_pos_lock){+.+.}, at: __fdget_pos+0x26f/0x310 fs/file.c:767 1 lock held by syz-executor.4/8144: #0: 000000002e4ba78b (&type->s_umount_key#50){+.+.}, at: deactivate_super+0x16c/0x1a0 fs/super.c:359 ============================================= NMI backtrace for cpu 1 CPU: 1 PID: 1568 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: 4693 Comm: systemd-journal Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023 RIP: 0010:_raw_spin_lock_irqsave+0x94/0xc0 kernel/locking/spinlock.c:152 Code: 00 e8 a0 20 28 f9 45 31 c9 41 b8 01 00 00 00 31 c9 ff 74 24 10 48 8d 7d 18 31 d2 31 f6 e8 04 05 32 f9 48 89 ef e8 4c 90 32 f9 <58> 4c 89 e0 5d 41 5c c3 0f 0b 0f 0b 48 c7 c7 80 82 f1 89 e8 a4 14 RSP: 0018:ffff8880a0f67988 EFLAGS: 00000096 RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff814bdebb RDX: 1ffffffff1a7fb6b RSI: 0000000000000004 RDI: ffffffff8d3fdb48 RBP: ffffffff8d3fdb48 R08: 0000000000000001 R09: fffffbfff1a7fb69 R10: ffffffff8d3fdb4b R11: 0000000000000000 R12: 0000000000000086 R13: ffff8880b4710000 R14: 0000000000000000 R15: dffffc0000000000 FS: 00007f00cdfd38c0(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f00c6593000 CR3: 00000000a1061000 CR4: 00000000003406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600 Call Trace: __debug_check_no_obj_freed lib/debugobjects.c:776 [inline] debug_check_no_obj_freed+0xb5/0x490 lib/debugobjects.c:817 free_pages_prepare mm/page_alloc.c:1056 [inline] __free_pages_ok+0x22d/0xd30 mm/page_alloc.c:1279 slab_destroy mm/slab.c:1713 [inline] slabs_destroy+0x90/0xd0 mm/slab.c:1729 cache_flusharray mm/slab.c:3490 [inline] ___cache_free+0x295/0x3a0 mm/slab.c:3532 qlink_free mm/kasan/quarantine.c:147 [inline] qlist_free_all+0x79/0x140 mm/kasan/quarantine.c:166 quarantine_reduce+0x1a9/0x230 mm/kasan/quarantine.c:259 kasan_kmalloc+0xa2/0x160 mm/kasan/kasan.c:538 slab_post_alloc_hook mm/slab.h:445 [inline] slab_alloc mm/slab.c:3397 [inline] kmem_cache_alloc+0x110/0x370 mm/slab.c:3557 getname_flags+0xce/0x590 fs/namei.c:140 getname fs/namei.c:211 [inline] user_path_create fs/namei.c:3696 [inline] do_mkdirat+0x8d/0x2d0 fs/namei.c:3834 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f00cd28e687 Code: 00 b8 ff ff ff ff c3 0f 1f 40 00 48 8b 05 09 d8 2b 00 64 c7 00 5f 00 00 00 b8 ff ff ff ff c3 0f 1f 40 00 b8 53 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d e1 d7 2b 00 f7 d8 64 89 01 48 RSP: 002b:00007ffcf3fbaa78 EFLAGS: 00000293 ORIG_RAX: 0000000000000053 RAX: ffffffffffffffda RBX: 00007ffcf3fbdae0 RCX: 00007f00cd28e687 RDX: 0000000000000000 RSI: 00000000000001ed RDI: 000055b6bc8138a0 RBP: 00007ffcf3fbaab0 R08: 000055b6bbc8e3e5 R09: 0000000000000018 R10: 0000000000000069 R11: 0000000000000293 R12: 0000000000000000 R13: 0000000000000001 R14: 000055b6bc8138a0 R15: 00007ffcf3fbb0f0