Bluetooth: hci8: command 0x041b tx timeout Bluetooth: hci8: command 0x040f tx timeout Bluetooth: hci8: command 0x0419 tx timeout ieee802154 phy0 wpan0: encryption failed: -22 ieee802154 phy1 wpan1: encryption failed: -22 INFO: task syz-executor.4:11598 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 D28592 11598 8171 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 iterate_supers+0xdb/0x290 fs/super.c:631 ksys_sync+0x86/0x150 fs/sync.c:113 __ia32_sys_sync+0xa/0x10 fs/sync.c:124 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f94f12fa0a9 Code: Bad RIP value. RSP: 002b:00007f94ef86c168 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 RAX: ffffffffffffffda RBX: 00007f94f1419f80 RCX: 00007f94f12fa0a9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00007f94f1355ae9 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fff49a3078f R14: 00007f94ef86c300 R15: 0000000000022000 INFO: task syz-executor.4:11609 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 D30128 11609 8171 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 iterate_supers+0xdb/0x290 fs/super.c:631 ksys_sync+0x86/0x150 fs/sync.c:113 __ia32_sys_sync+0xa/0x10 fs/sync.c:124 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f94f12fa0a9 Code: Bad RIP value. RSP: 002b:00007f94ef84b168 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 RAX: ffffffffffffffda RBX: 00007f94f141a050 RCX: 00007f94f12fa0a9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00007f94f1355ae9 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fff49a3078f R14: 00007f94ef84b300 R15: 0000000000022000 INFO: task syz-executor.4:11619 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 D29168 11619 8171 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 iterate_supers+0xdb/0x290 fs/super.c:631 ksys_sync+0x86/0x150 fs/sync.c:113 __ia32_sys_sync+0xa/0x10 fs/sync.c:124 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f94f12fa0a9 Code: Bad RIP value. RSP: 002b:00007f94ef82a168 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 RAX: ffffffffffffffda RBX: 00007f94f141a120 RCX: 00007f94f12fa0a9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00007f94f1355ae9 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fff49a3078f R14: 00007f94ef82a300 R15: 0000000000022000 INFO: task syz-executor.4:11627 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 D30128 11627 8171 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 iterate_supers+0xdb/0x290 fs/super.c:631 ksys_sync+0x86/0x150 fs/sync.c:113 __ia32_sys_sync+0xa/0x10 fs/sync.c:124 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f94f12fa0a9 Code: Bad RIP value. RSP: 002b:00007f94ef809168 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 RAX: ffffffffffffffda RBX: 00007f94f141a1f0 RCX: 00007f94f12fa0a9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00007f94f1355ae9 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fff49a3078f R14: 00007f94ef809300 R15: 0000000000022000 INFO: task syz-executor.4:11635 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 D27272 11635 8171 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 iterate_supers+0xdb/0x290 fs/super.c:631 ksys_sync+0x86/0x150 fs/sync.c:113 __ia32_sys_sync+0xa/0x10 fs/sync.c:124 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f94f12fa0a9 Code: Bad RIP value. RSP: 002b:00007f94ef7e8168 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 RAX: ffffffffffffffda RBX: 00007f94f141a2c0 RCX: 00007f94f12fa0a9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00007f94f1355ae9 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fff49a3078f R14: 00007f94ef7e8300 R15: 0000000000022000 INFO: task syz-executor.4:11667 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 D30184 11667 8171 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 iterate_supers+0xdb/0x290 fs/super.c:631 ksys_sync+0x86/0x150 fs/sync.c:113 __ia32_sys_sync+0xa/0x10 fs/sync.c:124 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f94f12fa0a9 Code: Bad RIP value. RSP: 002b:00007f94e83c7168 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 RAX: ffffffffffffffda RBX: 00007f94f141a390 RCX: 00007f94f12fa0a9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00007f94f1355ae9 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fff49a3078f R14: 00007f94e83c7300 R15: 0000000000022000 Showing all locks held in the system: 1 lock held by khungtaskd/1569: #0: 000000004b1d3490 (rcu_read_lock){....}, at: debug_show_all_locks+0x53/0x265 kernel/locking/lockdep.c:4441 1 lock held by in:imklog/7807: #0: 00000000b395f5b6 (&f->f_pos_lock){+.+.}, at: __fdget_pos+0x26f/0x310 fs/file.c:767 2 locks held by kworker/u4:8/9627: 2 locks held by agetty/17860: #0: 00000000deed3383 (&tty->ldisc_sem){++++}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:272 #1: 00000000674db5ae (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x217/0x1950 drivers/tty/n_tty.c:2154 5 locks held by syz-executor.2/32679: 1 lock held by syz-executor.4/11598: #0: 000000001ba5825a (&type->s_umount_key#84){++++}, at: iterate_supers+0xdb/0x290 fs/super.c:631 1 lock held by syz-executor.4/11609: #0: 000000001ba5825a (&type->s_umount_key#84){++++}, at: iterate_supers+0xdb/0x290 fs/super.c:631 1 lock held by syz-executor.4/11619: #0: 000000001ba5825a (&type->s_umount_key#84){++++}, at: iterate_supers+0xdb/0x290 fs/super.c:631 1 lock held by syz-executor.4/11627: #0: 000000001ba5825a (&type->s_umount_key#84){++++}, at: iterate_supers+0xdb/0x290 fs/super.c:631 1 lock held by syz-executor.4/11635: #0: 000000001ba5825a (&type->s_umount_key#84){++++}, at: iterate_supers+0xdb/0x290 fs/super.c:631 1 lock held by syz-executor.4/11667: #0: 000000001ba5825a (&type->s_umount_key#84){++++}, at: iterate_supers+0xdb/0x290 fs/super.c:631 1 lock held by syz-executor.4/12000: #0: 000000001ba5825a (&type->s_umount_key#84){++++}, at: iterate_supers+0xdb/0x290 fs/super.c:631 1 lock held by syz-executor.4/12001: #0: 000000001ba5825a (&type->s_umount_key#84){++++}, at: iterate_supers+0xdb/0x290 fs/super.c:631 1 lock held by syz-executor.4/12002: #0: 000000001ba5825a (&type->s_umount_key#84){++++}, at: iterate_supers+0xdb/0x290 fs/super.c:631 1 lock held by syz-executor.4/12004: #0: 000000001ba5825a (&type->s_umount_key#84){++++}, at: iterate_supers+0xdb/0x290 fs/super.c:631 1 lock held by syz-executor.4/12011: #0: 000000001ba5825a (&type->s_umount_key#84){++++}, at: iterate_supers+0xdb/0x290 fs/super.c:631 1 lock held by syz-executor.4/12319: #0: 000000001ba5825a (&type->s_umount_key#84){++++}, at: iterate_supers+0xdb/0x290 fs/super.c:631 1 lock held by syz-executor.4/12320: #0: 000000001ba5825a (&type->s_umount_key#84){++++}, at: iterate_supers+0xdb/0x290 fs/super.c:631 1 lock held by syz-executor.4/12323: #0: 000000001ba5825a (&type->s_umount_key#84){++++}, at: iterate_supers+0xdb/0x290 fs/super.c:631 1 lock held by syz-executor.4/12324: #0: 000000001ba5825a (&type->s_umount_key#84){++++}, at: iterate_supers+0xdb/0x290 fs/super.c:631 1 lock held by syz-executor.4/12325: #0: 000000001ba5825a (&type->s_umount_key#84){++++}, at: iterate_supers+0xdb/0x290 fs/super.c:631 1 lock held by syz-executor.4/12326: #0: 000000001ba5825a (&type->s_umount_key#84){++++}, at: iterate_supers+0xdb/0x290 fs/super.c:631 ============================================= NMI backtrace for cpu 0 CPU: 0 PID: 1569 Comm: khungtaskd Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 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 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 32679 Comm: syz-executor.2 Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 RIP: 0010:__sanitizer_cov_trace_pc+0x47/0x50 kernel/kcov.c:111 Code: 90 60 13 00 00 83 fa 02 75 20 48 8b 88 68 13 00 00 8b 80 64 13 00 00 48 8b 11 48 83 c2 01 48 39 d0 76 07 48 89 34 d1 48 89 11 0f 1f 84 00 00 00 00 00 49 89 f1 49 89 fa 65 48 8b 34 25 c0 df RSP: 0018:ffff88803a167570 EFLAGS: 00000046 RAX: 0000000000040000 RBX: ffff88808e355348 RCX: ffffc90005d1a000 RDX: 0000000000040000 RSI: ffffffff8167ad6d RDI: 0000000000000007 RBP: 0000000000000200 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000007 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000003 R14: ffffea0000cc7140 R15: ffff88808e355348 FS: 00007f3d1273f700(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f28e94eb000 CR3: 000000009c0d3000 CR4: 00000000003406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: trace_hardirqs_off+0xd/0x200 kernel/trace/trace_preemptirq.c:36 bh_lru_install fs/buffer.c:1234 [inline] __find_get_block+0x91f/0xde0 fs/buffer.c:1297 flush_commit_list.isra.0+0xb17/0x1e20 fs/reiserfs/journal.c:1058 flush_journal_list.isra.0+0x24e/0x1e60 fs/reiserfs/journal.c:1395 flush_used_journal_lists.isra.0+0x330/0x580 fs/reiserfs/journal.c:1837 do_journal_end+0x325a/0x4840 fs/reiserfs/journal.c:4357 do_journal_begin_r+0x9f8/0x10b0 fs/reiserfs/journal.c:3125 journal_begin+0x162/0x400 fs/reiserfs/journal.c:3265 reiserfs_fill_super+0x1a81/0x2d80 fs/reiserfs/super.c:2117 mount_bdev+0x2fc/0x3b0 fs/super.c:1158 mount_fs+0xa3/0x310 fs/super.c:1261 vfs_kern_mount.part.0+0x68/0x470 fs/namespace.c:961 vfs_kern_mount fs/namespace.c:951 [inline] do_new_mount fs/namespace.c:2492 [inline] do_mount+0x115c/0x2f50 fs/namespace.c:2822 ksys_mount+0xcf/0x130 fs/namespace.c:3038 __do_sys_mount fs/namespace.c:3052 [inline] __se_sys_mount fs/namespace.c:3049 [inline] __x64_sys_mount+0xba/0x150 fs/namespace.c:3049 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f3d141ce5da Code: 48 c7 c2 b8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d2 e8 b8 04 00 00 0f 1f 84 00 00 00 00 00 49 89 ca b8 a5 00 00 00 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:00007f3d1273ef88 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00000000000010ff RCX: 00007f3d141ce5da RDX: 0000000020001100 RSI: 0000000020000040 RDI: 00007f3d1273efe0 RBP: 00007f3d1273f020 R08: 00007f3d1273f020 R09: 0000000000000042 R10: 0000000000000042 R11: 0000000000000202 R12: 0000000020001100 R13: 0000000020000040 R14: 00007f3d1273efe0 R15: 00000000200000c0