block nbd2: shutting down sockets 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.2:16565 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.2 D28648 16565 8113 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 blkdev_put+0x30/0x520 fs/block_dev.c:1839 blkdev_close+0x86/0xb0 fs/block_dev.c:1888 __fput+0x2ce/0x890 fs/file_table.c:278 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: 0033:0x7f92c926cd4b Code: Bad RIP value. RSP: 002b:00007ffe6e507cc0 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 RAX: 0000000000000000 RBX: 0000000000000004 RCX: 00007f92c926cd4b RDX: 0000001b2e620000 RSI: 0000001b2e621d64 RDI: 0000000000000003 RBP: 00007f92c93ce960 R08: 0000000000000000 R09: 000000003253460c R10: 001b0555671d7b6f R11: 0000000000000293 R12: 00000000000f74a9 R13: 00007ffe6e507dc0 R14: 00007ffe6e507de0 R15: 0000000000000032 INFO: task systemd-udevd:16587 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. systemd-udevd D26624 16587 4704 0x00000100 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 io_schedule+0xb5/0x120 kernel/sched/core.c:5181 wait_on_page_bit_common mm/filemap.c:1123 [inline] wait_on_page_bit+0x2c5/0x3f0 mm/filemap.c:1156 wait_on_page_locked include/linux/pagemap.h:531 [inline] wait_on_page_read mm/filemap.c:2795 [inline] do_read_cache_page+0x8ed/0x1170 mm/filemap.c:2834 read_mapping_page include/linux/pagemap.h:402 [inline] read_dev_sector+0xbf/0x500 block/partition-generic.c:671 read_part_sector block/partitions/check.h:38 [inline] adfspart_check_ICS+0x114/0xe70 block/partitions/acorn.c:366 check_partition+0x390/0x690 block/partitions/check.c:167 rescan_partitions+0x1b5/0x970 block/partition-generic.c:535 bdev_disk_changed+0x179/0x1b0 fs/block_dev.c:1435 __blkdev_get+0x1282/0x1480 fs/block_dev.c:1561 blkdev_get+0xb0/0x940 fs/block_dev.c:1627 blkdev_open+0x202/0x290 fs/block_dev.c:1788 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: 0033:0x7f1a3a98a840 Code: Bad RIP value. RSP: 002b:00007ffd9e0181b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 RAX: ffffffffffffffda RBX: 00005575c15616e0 RCX: 00007f1a3a98a840 RDX: 00005575c079cfe3 RSI: 00000000000a0800 RDI: 00005575c1566760 RBP: 00007ffd9e018330 R08: 00005575c079c670 R09: 0000000000000010 R10: 00005575c079cd0c R11: 0000000000000246 R12: 00007ffd9e018280 R13: 00005575c1564880 R14: 0000000000000003 R15: 000000000000000e Showing all locks held in the system: 3 locks held by kworker/u4:2/62: #0: 000000009943ff8b (&rq->lock){-.-.}, at: idle_balance kernel/sched/fair.c:9702 [inline] #0: 000000009943ff8b (&rq->lock){-.-.}, at: pick_next_task_fair+0x556/0x1570 kernel/sched/fair.c:6841 #1: 00000000f666b95d (&p->pi_lock){-.-.}, at: try_to_wake_up+0x7b/0x1050 kernel/sched/core.c:1961 #2: 00000000e1f81884 (rcu_read_lock){....}, at: trace_sched_stat_runtime include/trace/events/sched.h:428 [inline] #2: 00000000e1f81884 (rcu_read_lock){....}, at: update_curr+0x2c3/0x870 kernel/sched/fair.c:857 1 lock held by khungtaskd/1569: #0: 00000000e1f81884 (rcu_read_lock){....}, at: debug_show_all_locks+0x53/0x265 kernel/locking/lockdep.c:4441 1 lock held by syz-executor.2/16565: #0: 00000000f86782df (&bdev->bd_mutex){+.+.}, at: blkdev_put+0x30/0x520 fs/block_dev.c:1839 1 lock held by systemd-udevd/16587: #0: 00000000f86782df (&bdev->bd_mutex){+.+.}, at: __blkdev_get+0x1d0/0x1480 fs/block_dev.c:1478 ============================================= NMI backtrace for cpu 1 CPU: 1 PID: 1569 Comm: khungtaskd Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 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 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 62 Comm: kworker/u4:2 Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 Workqueue: bat_events batadv_nc_worker RIP: 0010:rcu_read_lock include/linux/rcupdate.h:625 [inline] RIP: 0010:batadv_nc_purge_orig_hash net/batman-adv/network-coding.c:419 [inline] RIP: 0010:batadv_nc_worker+0x103/0xd50 net/batman-adv/network-coding.c:730 Code: 01 e8 48 89 44 24 48 e8 5b 9a 89 f9 48 8b 44 24 48 80 38 00 0f 85 84 0b 00 00 48 8b 4c 24 38 8b 44 24 34 48 8b 11 48 8d 1c c2 a8 20 78 f9 e8 33 9a 89 f9 45 31 c9 45 31 c0 31 d2 31 f6 b9 02 RSP: 0018:ffff8880b51e7cb0 EFLAGS: 00000246 RAX: 00000000000003b9 RBX: ffff8880ab7fb2c8 RCX: ffff8880a9347f40 RDX: ffff8880ab7f9500 RSI: ffffffff87d8eb15 RDI: 0000000000000004 RBP: 0000000000000001 R08: 0000000000000000 R09: 00000000000003b9 R10: 0000000000000004 R11: 0000000000000000 R12: 0000000000000000 R13: dffffc0000000000 R14: 00000000000003b9 R15: ffff8880a452f400 FS: 0000000000000000(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f4f26c05000 CR3: 00000000b16ad000 CR4: 00000000003406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: 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): 0: 01 e8 add %ebp,%eax 2: 48 89 44 24 48 mov %rax,0x48(%rsp) 7: e8 5b 9a 89 f9 callq 0xf9899a67 c: 48 8b 44 24 48 mov 0x48(%rsp),%rax 11: 80 38 00 cmpb $0x0,(%rax) 14: 0f 85 84 0b 00 00 jne 0xb9e 1a: 48 8b 4c 24 38 mov 0x38(%rsp),%rcx 1f: 8b 44 24 34 mov 0x34(%rsp),%eax 23: 48 8b 11 mov (%rcx),%rdx 26: 48 8d 1c c2 lea (%rdx,%rax,8),%rbx * 2a: e8 a8 20 78 f9 callq 0xf97820d7 <-- trapping instruction 2f: e8 33 9a 89 f9 callq 0xf9899a67 34: 45 31 c9 xor %r9d,%r9d 37: 45 31 c0 xor %r8d,%r8d 3a: 31 d2 xor %edx,%edx 3c: 31 f6 xor %esi,%esi 3e: b9 .byte 0xb9 3f: 02 .byte 0x2