block nbd5: Device being setup by another task 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.3:22016 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.3 D28648 22016 8090 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: 0033:0x7f4db1e53adb Code: Bad RIP value. RSP: 002b:00007ffc97afd020 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 RAX: 0000000000000000 RBX: 0000000000000007 RCX: 00007f4db1e53adb RDX: 0000001b2d220000 RSI: 0000001b2d222738 RDI: 0000000000000006 RBP: 00007f4db1fb5960 R08: 0000000000000000 R09: 000000003253460c R10: 00007d99459e7712 R11: 0000000000000293 R12: 00000000001d637f R13: 00007ffc97afd120 R14: 00007ffc97afd140 R15: 0000000000000032 INFO: task syz-executor.3:22022 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.3 D28560 22022 8090 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: 0033:0x7f4db1ea0e99 Code: Bad RIP value. RSP: 002b:00007f4db0816168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: 0000000000000000 RBX: 00007f4db1fb3f60 RCX: 00007f4db1ea0e99 RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000003 RBP: 00007f4db1efaff1 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffc97afcfbf R14: 00007f4db0816300 R15: 0000000000022000 INFO: task systemd-udevd:22030 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 22030 4705 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: 0033:0x7f12bad4f840 Code: Bad RIP value. RSP: 002b:00007ffc63ef67b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 RAX: ffffffffffffffda RBX: 000055e173ca0dc0 RCX: 00007f12bad4f840 RDX: 000055e172a1efe3 RSI: 00000000000a0800 RDI: 000055e173cb4140 RBP: 00007ffc63ef6930 R08: 000055e172a1e670 R09: 0000000000000010 R10: 000055e172a1ed0c R11: 0000000000000246 R12: 00007ffc63ef6880 R13: 000055e173cb2880 R14: 0000000000000003 R15: 000000000000000e Showing all locks held in the system: 3 locks held by kworker/u4:3/281: #0: 000000001d176027 (&rq->lock){-.-.}, at: idle_balance kernel/sched/fair.c:9702 [inline] #0: 000000001d176027 (&rq->lock){-.-.}, at: pick_next_task_fair+0x556/0x1570 kernel/sched/fair.c:6841 #1: 00000000bdb08958 (rcu_read_lock){....}, at: cpu_of kernel/sched/sched.h:923 [inline] #1: 00000000bdb08958 (rcu_read_lock){....}, at: __update_idle_core+0x39/0x3e0 kernel/sched/fair.c:6057 #2: 00000000bdb08958 (rcu_read_lock){....}, at: batadv_nc_purge_orig_hash net/batman-adv/network-coding.c:417 [inline] #2: 00000000bdb08958 (rcu_read_lock){....}, at: batadv_nc_worker+0xf3/0xd50 net/batman-adv/network-coding.c:730 1 lock held by khungtaskd/1571: #0: 00000000bdb08958 (rcu_read_lock){....}, at: debug_show_all_locks+0x53/0x265 kernel/locking/lockdep.c:4441 1 lock held by in:imklog/7721: #0: 0000000091dc527c (&f->f_pos_lock){+.+.}, at: __fdget_pos+0x26f/0x310 fs/file.c:767 1 lock held by syz-executor.3/22016: #0: 00000000973c9c61 (&bdev->bd_mutex){+.+.}, at: blkdev_put+0x30/0x520 fs/block_dev.c:1839 1 lock held by syz-executor.3/22022: #0: 00000000973c9c61 (&bdev->bd_mutex){+.+.}, at: blkdev_put+0x30/0x520 fs/block_dev.c:1839 1 lock held by systemd-udevd/22030: #0: 00000000973c9c61 (&bdev->bd_mutex){+.+.}, at: __blkdev_get+0x1d0/0x1480 fs/block_dev.c:1478 ============================================= NMI backtrace for cpu 1 CPU: 1 PID: 1571 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: 4693 Comm: systemd-journal Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:___bpf_prog_run+0x3283/0x4e80 kernel/bpf/core.c:1233 Code: e2 07 0f b6 04 18 38 d0 7f 08 84 c0 0f 85 ff 12 00 00 41 0f b6 46 01 83 e0 0f 4c 8d 7c c5 00 4c 89 f8 48 c1 e8 03 80 3c 18 00 <0f> 85 fe 09 00 00 49 8d 7e 04 49 8b 17 48 89 f8 48 c1 e8 03 0f b6 RSP: 0018:ffff8880a0e9fa30 EFLAGS: 00000246 RAX: 1ffff110141d3f60 RBX: dffffc0000000000 RCX: ffffffff816c6963 RDX: 0000000000000001 RSI: ffffffff816c68ea RDI: ffffc90001ad4129 RBP: ffff8880a0e9fb00 R08: 0000000000000000 R09: 0000000000000027 R10: 0000000000000006 R11: 0000000000000000 R12: ffffffff886fb460 R13: ffffed10141d3f62 R14: ffffc90001ad4128 R15: ffff8880a0e9fb00 FS: 00007f8db130f8c0(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f8dad970020 CR3: 00000000a0d0e000 CR4: 00000000003406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: ---------------- Code disassembly (best guess): 0: e2 07 loop 0x9 2: 0f b6 04 18 movzbl (%rax,%rbx,1),%eax 6: 38 d0 cmp %dl,%al 8: 7f 08 jg 0x12 a: 84 c0 test %al,%al c: 0f 85 ff 12 00 00 jne 0x1311 12: 41 0f b6 46 01 movzbl 0x1(%r14),%eax 17: 83 e0 0f and $0xf,%eax 1a: 4c 8d 7c c5 00 lea 0x0(%rbp,%rax,8),%r15 1f: 4c 89 f8 mov %r15,%rax 22: 48 c1 e8 03 shr $0x3,%rax 26: 80 3c 18 00 cmpb $0x0,(%rax,%rbx,1) * 2a: 0f 85 fe 09 00 00 jne 0xa2e <-- trapping instruction 30: 49 8d 7e 04 lea 0x4(%r14),%rdi 34: 49 8b 17 mov (%r15),%rdx 37: 48 89 f8 mov %rdi,%rax 3a: 48 c1 e8 03 shr $0x3,%rax 3e: 0f .byte 0xf 3f: b6 .byte 0xb6