block nbd1: 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.4:18277 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 D28560 18277 8140 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: 0033:0x7fa76e91e049 Code: Bad RIP value. RSP: 002b:00007fa76d293168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: 0000000000000000 RBX: 00007fa76ea30f60 RCX: 00007fa76e91e049 RDX: ffffffffffffffff RSI: 000000000000ab03 RDI: 0000000000000003 RBP: 00007fa76e97808d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fff95a1c19f R14: 00007fa76d293300 R15: 0000000000022000 INFO: task syz-executor.4:18292 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 D26624 18292 8140 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 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: 0033:0x7fa76e8d0f64 Code: Bad RIP value. RSP: 002b:00007fa76d271ca0 EFLAGS: 00000293 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 6666666666666667 RCX: 00007fa76e8d0f64 RDX: 0000000000000000 RSI: 00007fa76d271d40 RDI: 00000000ffffff9c RBP: 00007fa76d271d40 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000000 R13: 00007fff95a1c19f R14: 00007fa76d272300 R15: 0000000000022000 Showing all locks held in the system: 1 lock held by khungtaskd/1570: #0: 00000000419c3d96 (rcu_read_lock){....}, at: debug_show_all_locks+0x53/0x265 kernel/locking/lockdep.c:4441 1 lock held by in:imklog/7800: #0: 00000000b0f5be5e (&f->f_pos_lock){+.+.}, at: __fdget_pos+0x26f/0x310 fs/file.c:767 1 lock held by systemd-udevd/13613: #0: 00000000b9fa33a3 (&bdev->bd_mutex){+.+.}, at: __blkdev_get+0x1d0/0x1480 fs/block_dev.c:1478 1 lock held by syz-executor.4/18277: #0: 00000000b9fa33a3 (&bdev->bd_mutex){+.+.}, at: blkdev_put+0x30/0x520 fs/block_dev.c:1839 1 lock held by syz-executor.4/18292: #0: 00000000b9fa33a3 (&bdev->bd_mutex){+.+.}, at: __blkdev_get+0x1d0/0x1480 fs/block_dev.c:1478 ============================================= NMI backtrace for cpu 0 CPU: 0 PID: 1570 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 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 4706 Comm: systemd-udevd Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0033:0x5610700132a1 Code: 00 00 43 80 3c 13 2f 0f 84 1c 01 00 00 43 80 3c 14 2f 0f 84 11 01 00 00 90 48 8b 1b 48 39 1c 24 0f 84 63 01 00 00 4c 8b 7b 48 <4c> 39 7c 24 08 77 e8 74 56 4d 3b 7e 48 0f 83 4c 01 00 00 49 8b 6e RSP: 002b:00007ffce586d8f0 EFLAGS: 00000283 RAX: 0000000000000c00 RBX: 0000561072f7c8f0 RCX: 000000000000622f RDX: 00000000000000e6 RSI: 000056107345261e RDI: 0000561072f3ac6e RBP: 0000000000002b80 R08: 000000000000001b R09: 000000000000001a R10: 000000000000001a R11: 00007f08b69a9060 R12: 0000561072f3ac54 R13: 0000000000000000 R14: 0000561072379580 R15: 000000000000d314 FS: 00007f08b7aa88c0 GS: 0000000000000000