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.3:31384 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 D28592 31384 19555 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: 0033:0x7fed4ca6b0a9 Code: Bad RIP value. RSP: 002b:00007fed4afdd168 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 RAX: ffffffffffffffda RBX: 00007fed4cb8af80 RCX: 00007fed4ca6b0a9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00007fed4cac6ae9 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffc048db06f R14: 00007fed4afdd300 R15: 0000000000022000 INFO: task syz-executor.3:31391 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 D29920 31391 19555 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: 0033:0x7fed4ca6b0a9 Code: Bad RIP value. RSP: 002b:00007fed4afbc168 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 RAX: ffffffffffffffda RBX: 00007fed4cb8b050 RCX: 00007fed4ca6b0a9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00007fed4cac6ae9 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffc048db06f R14: 00007fed4afbc300 R15: 0000000000022000 INFO: task syz-executor.3:31396 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 D30704 31396 19555 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: 0033:0x7fed4ca6b0a9 Code: Bad RIP value. RSP: 002b:00007fed4af9b168 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 RAX: ffffffffffffffda RBX: 00007fed4cb8b120 RCX: 00007fed4ca6b0a9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00007fed4cac6ae9 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffc048db06f R14: 00007fed4af9b300 R15: 0000000000022000 INFO: task syz-executor.3:31397 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 D27272 31397 19555 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: 0033:0x7fed4ca6b0a9 Code: Bad RIP value. RSP: 002b:00007fed4af7a168 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 RAX: ffffffffffffffda RBX: 00007fed4cb8b1f0 RCX: 00007fed4ca6b0a9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00007fed4cac6ae9 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffc048db06f R14: 00007fed4af7a300 R15: 0000000000022000 INFO: task syz-executor.3:31480 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 D28096 31480 19555 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: 0033:0x7fed4ca6b0a9 Code: Bad RIP value. RSP: 002b:00007fed43b59168 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 RAX: ffffffffffffffda RBX: 00007fed4cb8b2c0 RCX: 00007fed4ca6b0a9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00007fed4cac6ae9 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffc048db06f R14: 00007fed43b59300 R15: 0000000000022000 Showing all locks held in the system: 1 lock held by khungtaskd/1570: #0: 00000000d6e1081b (rcu_read_lock){....}, at: debug_show_all_locks+0x53/0x265 kernel/locking/lockdep.c:4441 1 lock held by in:imklog/7752: #0: 00000000ce00fa68 (&f->f_pos_lock){+.+.}, at: __fdget_pos+0x26f/0x310 fs/file.c:767 1 lock held by syz-executor.5/14980: #0: 00000000221dcfaa (&type->s_umount_key#76/1){+.+.}, at: alloc_super fs/super.c:226 [inline] #0: 00000000221dcfaa (&type->s_umount_key#76/1){+.+.}, at: sget_userns+0x20b/0xcd0 fs/super.c:519 1 lock held by syz-executor.3/31384: #0: 00000000221dcfaa (&type->s_umount_key#77){++++}, at: iterate_supers+0xdb/0x290 fs/super.c:631 1 lock held by syz-executor.3/31391: #0: 00000000221dcfaa (&type->s_umount_key#77){++++}, at: iterate_supers+0xdb/0x290 fs/super.c:631 1 lock held by syz-executor.3/31396: #0: 00000000221dcfaa (&type->s_umount_key#77){++++}, at: iterate_supers+0xdb/0x290 fs/super.c:631 1 lock held by syz-executor.3/31397: #0: 00000000221dcfaa (&type->s_umount_key#77){++++}, at: iterate_supers+0xdb/0x290 fs/super.c:631 1 lock held by syz-executor.3/31480: #0: 00000000221dcfaa (&type->s_umount_key#77){++++}, at: iterate_supers+0xdb/0x290 fs/super.c:631 1 lock held by syz-executor.3/31978: #0: 00000000221dcfaa (&type->s_umount_key#77){++++}, at: iterate_supers+0xdb/0x290 fs/super.c:631 1 lock held by syz-executor.3/31979: #0: 00000000221dcfaa (&type->s_umount_key#77){++++}, at: iterate_supers+0xdb/0x290 fs/super.c:631 1 lock held by syz-executor.3/31980: #0: 00000000221dcfaa (&type->s_umount_key#77){++++}, at: iterate_supers+0xdb/0x290 fs/super.c:631 1 lock held by syz-executor.3/32351: #0: 00000000221dcfaa (&type->s_umount_key#77){++++}, at: iterate_supers+0xdb/0x290 fs/super.c:631 1 lock held by syz-executor.3/32355: #0: 00000000221dcfaa (&type->s_umount_key#77){++++}, at: iterate_supers+0xdb/0x290 fs/super.c:631 1 lock held by syz-executor.3/32356: #0: 00000000221dcfaa (&type->s_umount_key#77){++++}, at: iterate_supers+0xdb/0x290 fs/super.c:631 ============================================= NMI backtrace for cpu 1 CPU: 1 PID: 1570 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 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 4692 Comm: systemd-journal Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 RIP: 0033:0x7fc2fe0c34b0 Code: 72 00 00 00 e8 a1 5b fe ff 48 8d 0d ba ba 0f 00 48 8d 35 db e1 0e 00 48 8d 3d 0a 14 0e 00 ba 77 00 00 00 e8 82 5b fe ff 66 90 <48> 85 ff 41 54 55 53 0f 84 43 01 00 00 0f b6 47 28 48 89 fb 83 e0 RSP: 002b:00007fffdf512498 EFLAGS: 00000246 RAX: 0000000000000001 RBX: 000055a8c02601e0 RCX: 00000000000ef323 RDX: 000000005189b6e3 RSI: 0000000000000001 RDI: 000055a8c0260780 RBP: 00007fffdf512690 R08: 00007fffdf5d6000 R09: 0000015f20f548d5 R10: 001d32d9bab7b8d3 R11: 0000000000000202 R12: 000055a8c0260780 R13: 0000000000000001 R14: 00007fffdf5124ac R15: 00007fffdf5124a0 FS: 00007fc2fe4a38c0 GS: 0000000000000000