ieee802154 phy1 wpan1: encryption failed: -22 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.0:15955 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.0 D28344 15955 8136 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 nbd_start_device_ioctl drivers/block/nbd.c:1278 [inline] __nbd_ioctl drivers/block/nbd.c:1347 [inline] nbd_ioctl+0x765/0xbe0 drivers/block/nbd.c:1387 __blkdev_driver_ioctl block/ioctl.c:303 [inline] blkdev_ioctl+0x5cb/0x1a80 block/ioctl.c:601 block_ioctl+0xe9/0x130 fs/block_dev.c:1906 vfs_ioctl fs/ioctl.c:46 [inline] file_ioctl fs/ioctl.c:501 [inline] do_vfs_ioctl+0xcdb/0x12e0 fs/ioctl.c:688 ksys_ioctl+0x9b/0xc0 fs/ioctl.c:705 __do_sys_ioctl fs/ioctl.c:712 [inline] __se_sys_ioctl fs/ioctl.c:710 [inline] __x64_sys_ioctl+0x6f/0xb0 fs/ioctl.c:710 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f8637760ae9 Code: Bad RIP value. RSP: 002b:00007f8634cd6188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f8637873f60 RCX: 00007f8637760ae9 RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000003 RBP: 00007f86377baf6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffd61d5732f R14: 00007f8634cd6300 R15: 0000000000022000 INFO: task syz-executor.0:15964 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.0 D28248 15964 8136 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 nbd_ioctl+0x151/0xbe0 drivers/block/nbd.c:1380 __blkdev_driver_ioctl block/ioctl.c:303 [inline] blkdev_ioctl+0x5cb/0x1a80 block/ioctl.c:601 block_ioctl+0xe9/0x130 fs/block_dev.c:1906 vfs_ioctl fs/ioctl.c:46 [inline] file_ioctl fs/ioctl.c:501 [inline] do_vfs_ioctl+0xcdb/0x12e0 fs/ioctl.c:688 ksys_ioctl+0x9b/0xc0 fs/ioctl.c:705 __do_sys_ioctl fs/ioctl.c:712 [inline] __se_sys_ioctl fs/ioctl.c:710 [inline] __x64_sys_ioctl+0x6f/0xb0 fs/ioctl.c:710 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f8637760ae9 Code: Bad RIP value. RSP: 002b:00007f8634cb5188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f8637874020 RCX: 00007f8637760ae9 RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000003 RBP: 00007f86377baf6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffd61d5732f R14: 00007f8634cb5300 R15: 0000000000022000 INFO: task syz-executor.0:16013 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.0 D29280 16013 8136 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 blk_mq_freeze_queue_wait+0x119/0x270 block/blk-mq.c:152 nbd_add_socket+0x168/0x840 drivers/block/nbd.c:973 __nbd_ioctl drivers/block/nbd.c:1320 [inline] nbd_ioctl+0x584/0xbe0 drivers/block/nbd.c:1387 __blkdev_driver_ioctl block/ioctl.c:303 [inline] blkdev_ioctl+0x5cb/0x1a80 block/ioctl.c:601 block_ioctl+0xe9/0x130 fs/block_dev.c:1906 vfs_ioctl fs/ioctl.c:46 [inline] file_ioctl fs/ioctl.c:501 [inline] do_vfs_ioctl+0xcdb/0x12e0 fs/ioctl.c:688 ksys_ioctl+0x9b/0xc0 fs/ioctl.c:705 __do_sys_ioctl fs/ioctl.c:712 [inline] __se_sys_ioctl fs/ioctl.c:710 [inline] __x64_sys_ioctl+0x6f/0xb0 fs/ioctl.c:710 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f8637760ae9 Code: Bad RIP value. RSP: 002b:00007f8634c94188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f86378740e0 RCX: 00007f8637760ae9 RDX: 0000000000000004 RSI: 000000000000ab00 RDI: 0000000000000003 RBP: 00007f86377baf6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffd61d5732f R14: 00007f8634c94300 R15: 0000000000022000 INFO: task syz-executor.0:16015 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.0 D29328 16015 8136 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 nbd_ioctl+0x151/0xbe0 drivers/block/nbd.c:1380 __blkdev_driver_ioctl block/ioctl.c:303 [inline] blkdev_ioctl+0x5cb/0x1a80 block/ioctl.c:601 block_ioctl+0xe9/0x130 fs/block_dev.c:1906 vfs_ioctl fs/ioctl.c:46 [inline] file_ioctl fs/ioctl.c:501 [inline] do_vfs_ioctl+0xcdb/0x12e0 fs/ioctl.c:688 ksys_ioctl+0x9b/0xc0 fs/ioctl.c:705 __do_sys_ioctl fs/ioctl.c:712 [inline] __se_sys_ioctl fs/ioctl.c:710 [inline] __x64_sys_ioctl+0x6f/0xb0 fs/ioctl.c:710 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f8637760ae9 Code: Bad RIP value. RSP: 002b:00007f8634c52188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f8637874260 RCX: 00007f8637760ae9 RDX: 0000000000000003 RSI: 000000000000ab07 RDI: 0000000000000006 RBP: 00007f86377baf6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffd61d5732f R14: 00007f8634c52300 R15: 0000000000022000 Showing all locks held in the system: 1 lock held by khungtaskd/1569: #0: 00000000a83e5af0 (rcu_read_lock){....}, at: debug_show_all_locks+0x53/0x265 kernel/locking/lockdep.c:4441 1 lock held by in:imklog/7818: #0: 00000000a08468d0 (&f->f_pos_lock){+.+.}, at: __fdget_pos+0x26f/0x310 fs/file.c:767 2 locks held by agetty/18166: #0: 00000000e547f5ce (&tty->ldisc_sem){++++}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:272 #1: 00000000eef5f52a (&tty->atomic_write_lock){+.+.}, at: tty_write_lock drivers/tty/tty_io.c:886 [inline] #1: 00000000eef5f52a (&tty->atomic_write_lock){+.+.}, at: do_tty_write drivers/tty/tty_io.c:909 [inline] #1: 00000000eef5f52a (&tty->atomic_write_lock){+.+.}, at: tty_write+0x24e/0x810 drivers/tty/tty_io.c:1044 1 lock held by syz-executor.0/15955: #0: 00000000aa1bc881 (&nbd->config_lock){+.+.}, at: nbd_start_device_ioctl drivers/block/nbd.c:1278 [inline] #0: 00000000aa1bc881 (&nbd->config_lock){+.+.}, at: __nbd_ioctl drivers/block/nbd.c:1347 [inline] #0: 00000000aa1bc881 (&nbd->config_lock){+.+.}, at: nbd_ioctl+0x765/0xbe0 drivers/block/nbd.c:1387 1 lock held by syz-executor.0/15964: #0: 00000000aa1bc881 (&nbd->config_lock){+.+.}, at: nbd_ioctl+0x151/0xbe0 drivers/block/nbd.c:1380 1 lock held by syz-executor.0/16013: #0: 00000000aa1bc881 (&nbd->config_lock){+.+.}, at: nbd_ioctl+0x151/0xbe0 drivers/block/nbd.c:1380 1 lock held by syz-executor.0/16015: #0: 00000000aa1bc881 (&nbd->config_lock){+.+.}, at: nbd_ioctl+0x151/0xbe0 drivers/block/nbd.c:1380 ============================================= 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 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: 7819 Comm: rs:main Q:Reg Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:__mark_inode_dirty+0x0/0x1140 fs/fs-writeback.c:2150 Code: ff eb 94 e8 a2 96 ea ff e9 20 ff ff ff e8 98 96 ea ff e9 3c ff ff ff 48 c7 c7 80 d9 e0 89 e8 87 96 ea ff eb a6 0f 1f 44 00 00 <41> 57 41 56 41 55 41 54 55 89 f5 53 48 89 fb 48 83 ec 10 e8 78 b9 RSP: 0018:ffff88809f9a7a98 EFLAGS: 00000293 RAX: ffff8880a09fc240 RBX: 0000000000000000 RCX: ffffffff81a94b91 RDX: 0000000000000000 RSI: 0000000000000801 RDI: ffff88808e016370 RBP: ffff88809f9a7ad0 R08: ffffffff8cd183b0 R09: 0000000000000000 R10: 0000000000000007 R11: 0000000000000000 R12: ffff88808e016370 R13: 0000000000000801 R14: 0000000000000000 R15: 0000000000000002 FS: 00007f8d168e1700(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f61423b4018 CR3: 0000000090c1f000 CR4: 00000000003426f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600 Call Trace: generic_update_time+0x21c/0x370 fs/inode.c:1659 update_time fs/inode.c:1675 [inline] file_update_time+0x316/0x500 fs/inode.c:1890 __generic_file_write_iter+0x1bc/0x610 mm/filemap.c:3245 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: 0033:0x7f8d193251cd 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:00007f8d168e0590 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007f8d0c023840 RCX: 00007f8d193251cd RDX: 0000000000000403 RSI: 00007f8d0c023840 RDI: 0000000000000008 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000293 R12: 00007f8d0c0235c0 R13: 00007f8d168e05b0 R14: 00005629622fb440 R15: 0000000000000403 ---------------- Code disassembly (best guess), 1 bytes skipped: 0: eb 94 jmp 0xffffff96 2: e8 a2 96 ea ff callq 0xffea96a9 7: e9 20 ff ff ff jmpq 0xffffff2c c: e8 98 96 ea ff callq 0xffea96a9 11: e9 3c ff ff ff jmpq 0xffffff52 16: 48 c7 c7 80 d9 e0 89 mov $0xffffffff89e0d980,%rdi 1d: e8 87 96 ea ff callq 0xffea96a9 22: eb a6 jmp 0xffffffca 24: 0f 1f 44 00 00 nopl 0x0(%rax,%rax,1) * 29: 41 57 push %r15 <-- trapping instruction 2b: 41 56 push %r14 2d: 41 55 push %r13 2f: 41 54 push %r12 31: 55 push %rbp 32: 89 f5 mov %esi,%ebp 34: 53 push %rbx 35: 48 89 fb mov %rdi,%rbx 38: 48 83 ec 10 sub $0x10,%rsp 3c: e8 .byte 0xe8 3d: 78 b9 js 0xfffffff8