ieee802154 phy1 wpan1: encryption failed: -22 Bluetooth: hci3: command 0x0406 tx timeout Bluetooth: hci1: command 0x0406 tx timeout ieee802154 phy0 wpan0: encryption failed: -22 ieee802154 phy1 wpan1: encryption failed: -22 INFO: task syz-executor.3:5157 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 D27568 5157 4602 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 __rwsem_down_write_failed_common kernel/locking/rwsem-xadd.c:589 [inline] rwsem_down_write_failed+0x3aa/0x760 kernel/locking/rwsem-xadd.c:618 call_rwsem_down_write_failed+0x13/0x20 arch/x86/lib/rwsem.S:117 __down_write arch/x86/include/asm/rwsem.h:142 [inline] down_write+0x4f/0x90 kernel/locking/rwsem.c:72 tty_set_termios+0xec/0x830 drivers/tty/tty_ioctl.c:328 set_termios.part.0+0x2b1/0x4c0 drivers/tty/tty_ioctl.c:414 set_termios drivers/tty/tty_ioctl.c:368 [inline] tty_mode_ioctl+0xa05/0xb60 drivers/tty/tty_ioctl.c:781 n_tty_ioctl_helper+0x55/0x3a0 drivers/tty/tty_ioctl.c:940 n_tty_ioctl+0x56/0x360 drivers/tty/n_tty.c:2464 tty_ioctl+0x65d/0x1630 drivers/tty/tty_io.c:2678 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: 0033:0x7f54fe908059 Code: Bad RIP value. RSP: 002b:00007f54fd27d168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f54fea1af60 RCX: 00007f54fe908059 RDX: 0000000020000000 RSI: 0000000000005406 RDI: 0000000000000004 RBP: 00007f54fe96208d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffe9b44126f R14: 00007f54fd27d300 R15: 0000000000022000 INFO: task syz-executor.3:5162 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 D29496 5162 4602 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 __rwsem_down_read_failed_common kernel/locking/rwsem-xadd.c:292 [inline] rwsem_down_read_failed+0x20a/0x390 kernel/locking/rwsem-xadd.c:309 call_rwsem_down_read_failed+0x14/0x30 arch/x86/lib/rwsem.S:94 __down_read arch/x86/include/asm/rwsem.h:83 [inline] down_read+0x44/0x80 kernel/locking/rwsem.c:26 set_termios.part.0+0x8a/0x4c0 drivers/tty/tty_ioctl.c:371 set_termios drivers/tty/tty_ioctl.c:368 [inline] tty_mode_ioctl+0x34c/0xb60 drivers/tty/tty_ioctl.c:772 n_tty_ioctl_helper+0x55/0x3a0 drivers/tty/tty_ioctl.c:940 n_tty_ioctl+0x56/0x360 drivers/tty/n_tty.c:2464 tty_ioctl+0x65d/0x1630 drivers/tty/tty_io.c:2678 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: 0033:0x7f54fe908059 Code: Bad RIP value. RSP: 002b:00007f54fd25c168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f54fea1b030 RCX: 00007f54fe908059 RDX: 00000000200003c0 RSI: 00000000402c542b RDI: 0000000000000004 RBP: 00007f54fe96208d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffe9b44126f R14: 00007f54fd25c300 R15: 0000000000022000 INFO: task syz-executor.3:5163 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 D28720 5163 4602 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 paste_selection+0x125/0x470 drivers/tty/vt/selection.c:372 tioclinux+0x122/0x510 drivers/tty/vt/vt.c:3072 vt_ioctl+0x163e/0x2380 drivers/tty/vt/vt_ioctl.c:372 tty_ioctl+0x5b0/0x1630 drivers/tty/tty_io.c:2669 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: 0033:0x7f54fe908059 Code: Bad RIP value. RSP: 002b:00007f54fd23b168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f54fea1b100 RCX: 00007f54fe908059 RDX: 0000000020000100 RSI: 000000000000541c RDI: 0000000000000004 RBP: 00007f54fe96208d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffe9b44126f R14: 00007f54fd23b300 R15: 0000000000022000 Showing all locks held in the system: 1 lock held by khungtaskd/1570: #0: 00000000f360da15 (rcu_read_lock){....}, at: debug_show_all_locks+0x53/0x265 kernel/locking/lockdep.c:4441 1 lock held by in:imklog/7808: #0: 00000000edf71975 (&f->f_pos_lock){+.+.}, at: __fdget_pos+0x26f/0x310 fs/file.c:767 6 locks held by syz-executor.4/5143: 2 locks held by syz-executor.3/5157: #0: 0000000075e2ab47 (&tty->ldisc_sem){++++}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:272 #1: 0000000027db9c8d (&tty->termios_rwsem){++++}, at: tty_set_termios+0xec/0x830 drivers/tty/tty_ioctl.c:328 2 locks held by syz-executor.3/5162: #0: 0000000075e2ab47 (&tty->ldisc_sem){++++}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:272 #1: 0000000027db9c8d (&tty->termios_rwsem){++++}, at: set_termios.part.0+0x8a/0x4c0 drivers/tty/tty_ioctl.c:371 2 locks held by syz-executor.3/5163: #0: 0000000075e2ab47 (&tty->ldisc_sem){++++}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:272 #1: 000000005b7ad02f (&buf->lock){+.+.}, at: paste_selection+0x125/0x470 drivers/tty/vt/selection.c:372 ============================================= 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: 5143 Comm: syz-executor.4 Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:slow_down_io arch/x86/include/asm/paravirt.h:268 [inline] RIP: 0010:inb_p arch/x86/include/asm/io.h:333 [inline] RIP: 0010:vga_io_r include/video/vga.h:204 [inline] RIP: 0010:vga_io_rgfx include/video/vga.h:389 [inline] RIP: 0010:setcolor drivers/video/fbdev/vga16fb.c:170 [inline] RIP: 0010:vga_imageblit_expand drivers/video/fbdev/vga16fb.c:1164 [inline] RIP: 0010:vga16fb_imageblit+0x969/0x2260 drivers/video/fbdev/vga16fb.c:1260 Code: c7 c2 10 82 f1 89 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 80 3c 02 00 0f 85 74 14 00 00 ff 15 5d 06 53 06 ba cf 03 00 00 ec <48> c7 c2 10 82 f1 89 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 80 RSP: 0018:ffff888053d4eff8 EFLAGS: 00000246 RAX: dffffc00000000ff RBX: 0000000000000007 RCX: ffffc90006ce3000 RDX: 00000000000003cf RSI: ffffffff839e79da RDI: ffff888053d4f198 RBP: ffff888053d4f18c R08: 0000000000000013 R09: 0000000000000000 R10: 0000000000000005 R11: 0000000000000000 R12: ffff8880b07abb48 R13: ffff888238ca4a91 R14: ffff888053d4f1a8 R15: 0000000000000001 FS: 00007f6b23002700(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000c017888c60 CR3: 000000009c00c000 CR4: 00000000003406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000003 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: bit_putcs_unaligned drivers/video/fbdev/core/bitblit.c:139 [inline] bit_putcs+0x6e2/0xd10 drivers/video/fbdev/core/bitblit.c:188 fbcon_putcs+0x336/0x4f0 drivers/video/fbdev/core/fbcon.c:1269 fbcon_redraw.constprop.0+0x41a/0x4b0 drivers/video/fbdev/core/fbcon.c:1646 fbcon_scroll+0x3ee/0x3440 drivers/video/fbdev/core/fbcon.c:1757 con_scroll+0x5f8/0x720 drivers/tty/vt/vt.c:637 lf+0x262/0x2b0 drivers/tty/vt/vt.c:1509 do_con_write+0x133e/0x1d90 drivers/tty/vt/vt.c:2786 con_put_char+0x96/0xe0 drivers/tty/vt/vt.c:3173 tty_put_char+0xb7/0x150 drivers/tty/tty_io.c:2892 do_output_char+0x155/0x850 drivers/tty/n_tty.c:486 __process_echoes+0x38e/0x9f0 drivers/tty/n_tty.c:737 flush_echoes drivers/tty/n_tty.c:827 [inline] __receive_buf drivers/tty/n_tty.c:1646 [inline] n_tty_receive_buf_common+0xc0c/0x2a90 drivers/tty/n_tty.c:1740 tty_ldisc_receive_buf+0xa9/0x190 drivers/tty/tty_buffer.c:456 paste_selection+0x1e5/0x470 drivers/tty/vt/selection.c:390 tioclinux+0x122/0x510 drivers/tty/vt/vt.c:3072 vt_ioctl+0x163e/0x2380 drivers/tty/vt/vt_ioctl.c:372 tty_ioctl+0x5b0/0x1630 drivers/tty/tty_io.c:2669 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: 0033:0x7f6b2468d059 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f6b23002168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f6b2479ff60 RCX: 00007f6b2468d059 RDX: 0000000020000100 RSI: 000000000000541c RDI: 0000000000000004 RBP: 00007f6b246e708d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffccab514df R14: 00007f6b23002300 R15: 0000000000022000 ---------------- Code disassembly (best guess): 0: c7 c2 10 82 f1 89 mov $0x89f18210,%edx 6: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax d: fc ff df 10: 48 c1 ea 03 shr $0x3,%rdx 14: 80 3c 02 00 cmpb $0x0,(%rdx,%rax,1) 18: 0f 85 74 14 00 00 jne 0x1492 1e: ff 15 5d 06 53 06 callq *0x653065d(%rip) # 0x6530681 24: ba cf 03 00 00 mov $0x3cf,%edx 29: ec in (%dx),%al * 2a: 48 c7 c2 10 82 f1 89 mov $0xffffffff89f18210,%rdx <-- trapping instruction 31: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 38: fc ff df 3b: 48 c1 ea 03 shr $0x3,%rdx 3f: 80 .byte 0x80