Bluetooth: hci10: command 0x041b tx timeout Bluetooth: hci10: command 0x040f tx timeout Bluetooth: hci10: command 0x0419 tx timeout ieee802154 phy0 wpan0: encryption failed: -22 ieee802154 phy1 wpan1: encryption failed: -22 INFO: task syz-executor.3:15538 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 D29872 15538 9842 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: 0033:0x7f13773190c9 Code: Bad RIP value. RSP: 002b:00007f137588b168 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 RAX: ffffffffffffffda RBX: 00007f1377438f80 RCX: 00007f13773190c9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00007f1377374ae9 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fff041f4c1f R14: 00007f137588b300 R15: 0000000000022000 INFO: task syz-executor.3:15541 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 D30128 15541 9842 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: 0033:0x7f13773190c9 Code: Bad RIP value. RSP: 002b:00007f137586a168 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 RAX: ffffffffffffffda RBX: 00007f1377439050 RCX: 00007f13773190c9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00007f1377374ae9 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fff041f4c1f R14: 00007f137586a300 R15: 0000000000022000 Showing all locks held in the system: 1 lock held by khungtaskd/1570: #0: 000000002d2cd3d4 (rcu_read_lock){....}, at: debug_show_all_locks+0x53/0x265 kernel/locking/lockdep.c:4441 1 lock held by in:imklog/7812: 1 lock held by syz-executor.3/9163: #0: 00000000d23ddff8 (&type->s_umount_key#85/1){+.+.}, at: alloc_super fs/super.c:226 [inline] #0: 00000000d23ddff8 (&type->s_umount_key#85/1){+.+.}, at: sget_userns+0x20b/0xcd0 fs/super.c:519 1 lock held by syz-executor.3/9657: #0: 00000000aaf6b4a4 (&type->s_umount_key#85/1){+.+.}, at: alloc_super fs/super.c:226 [inline] #0: 00000000aaf6b4a4 (&type->s_umount_key#85/1){+.+.}, at: sget_userns+0x20b/0xcd0 fs/super.c:519 1 lock held by syz-executor.2/14057: #0: 00000000150e8296 (&type->s_umount_key#85/1){+.+.}, at: alloc_super fs/super.c:226 [inline] #0: 00000000150e8296 (&type->s_umount_key#85/1){+.+.}, at: sget_userns+0x20b/0xcd0 fs/super.c:519 1 lock held by syz-executor.3/15538: #0: 00000000d23ddff8 (&type->s_umount_key#87){.+.+}, at: iterate_supers+0xdb/0x290 fs/super.c:631 1 lock held by syz-executor.3/15541: #0: 00000000d23ddff8 (&type->s_umount_key#87){.+.+}, at: iterate_supers+0xdb/0x290 fs/super.c:631 1 lock held by syz-executor.3/15991: #0: 00000000d23ddff8 (&type->s_umount_key#87){.+.+}, at: iterate_supers+0xdb/0x290 fs/super.c:631 1 lock held by syz-executor.3/15992: #0: 00000000d23ddff8 (&type->s_umount_key#87){.+.+}, at: iterate_supers+0xdb/0x290 fs/super.c:631 1 lock held by syz-executor.3/16319: #0: 00000000d23ddff8 (&type->s_umount_key#87){.+.+}, at: iterate_supers+0xdb/0x290 fs/super.c:631 1 lock held by syz-executor.3/16320: #0: 00000000d23ddff8 (&type->s_umount_key#87){.+.+}, at: iterate_supers+0xdb/0x290 fs/super.c:631 ============================================= 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 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: 2956 Comm: kworker/u4:5 Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 Workqueue: phy16 ieee80211_iface_work RIP: 0010:mark_lock+0xa6/0x1160 kernel/locking/lockdep.c:3106 Code: 01 00 00 48 81 eb 50 01 00 00 48 81 c3 80 f5 d5 8c 48 8d 7b 30 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 <0f> 85 04 0d 00 00 4c 89 e0 48 23 43 30 0f 84 ad 00 00 00 b8 01 00 RSP: 0018:ffff8880ab82f0a8 EFLAGS: 00000046 RAX: dffffc0000000000 RBX: ffffffff8cde6880 RCX: 1ffff11015704592 RDX: 1ffffffff19bcd16 RSI: ffff8880ab822c70 RDI: ffffffff8cde68b0 RBP: ffff8880ab822c70 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000004 R13: ffff8880ab8223c0 R14: ffff8880ab822c90 R15: 0000000000000002 FS: 0000000000000000(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fce18d14000 CR3: 00000000a0cbe000 CR4: 00000000003406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: mark_held_locks+0xa6/0xf0 kernel/locking/lockdep.c:2810 __trace_hardirqs_on_caller kernel/locking/lockdep.c:2831 [inline] lockdep_hardirqs_on+0x288/0x5c0 kernel/locking/lockdep.c:2884 __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:160 [inline] _raw_spin_unlock_irqrestore+0x79/0xe0 kernel/locking/spinlock.c:184 debug_object_activate+0x295/0x450 lib/debugobjects.c:498 debug_object_activate+0x390/0x450 lib/debugobjects.c:513 debug_rcu_head_queue kernel/rcu/rcu.h:193 [inline] __call_rcu.constprop.0+0x31/0x7f0 kernel/rcu/tree.c:2977 cfg80211_bss_update+0x47a/0x2590 net/wireless/scan.c:967 cfg80211_inform_bss_frame_data+0x69c/0xeb0 net/wireless/scan.c:1283 ieee80211_bss_info_update+0x42d/0x1800 net/mac80211/scan.c:105 ieee80211_rx_bss_info net/mac80211/ibss.c:1125 [inline] ieee80211_rx_mgmt_probe_beacon+0xb4f/0x15c0 net/mac80211/ibss.c:1607 ieee80211_ibss_rx_queued_mgmt+0xe27/0x18b0 net/mac80211/ibss.c:1634 ieee80211_iface_work+0x5c4/0x8a0 net/mac80211/iface.c:1341 process_one_work+0x864/0x1570 kernel/workqueue.c:2153 worker_thread+0x64c/0x1130 kernel/workqueue.c:2296 kthread+0x33f/0x460 kernel/kthread.c:259 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415