Bluetooth: hci5: command 0x0406 tx timeout Bluetooth: hci4: command 0x0406 tx timeout Bluetooth: hci7: command 0x0406 tx timeout Bluetooth: hci3: command 0x0406 tx timeout Bluetooth: hci2: command 0x0406 tx timeout watchdog: BUG: soft lockup - CPU#0 stuck for 22s! [syz-executor.6:4686] Modules linked in: irq event stamp: 5652909 hardirqs last enabled at (5652908): [] asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:635 hardirqs last disabled at (5652909): [] sysvec_apic_timer_interrupt+0xb/0xa0 arch/x86/kernel/apic/apic.c:1106 softirqs last enabled at (5639104): [] asm_call_irq_on_stack+0x12/0x20 softirqs last disabled at (5639109): [] asm_call_irq_on_stack+0x12/0x20 CPU: 0 PID: 4686 Comm: syz-executor.6 Not tainted 5.10.238 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:stack_trace_consume_entry+0x58/0x160 kernel/stacktrace.c:85 Code: 48 8d 7b 08 8b 6b 10 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 0f b6 04 02 84 c0 74 08 3c 03 0f 8e ad 00 00 00 31 c0 <3b> 6b 08 0f 83 81 00 00 00 48 b8 00 00 00 00 00 fc ff df 48 8d 7b RSP: 0018:ffff88806ce09690 EFLAGS: 00000246 RAX: 0000000000000000 RBX: ffff88806ce09768 RCX: 1ffff1100d9c1201 RDX: 1ffff1100d9c12ee RSI: ffffffff8351dc56 RDI: ffff88806ce09770 RBP: 000000000000001c R08: 0000000000000001 R09: 0000000000000001 R10: 0000000000032042 R11: 1ffff1100d9c12c3 R12: ffff88806ce09768 R13: 0000000000000000 R14: ffff88803a933480 R15: 0000000000000170 FS: 00007f5b6ae79700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fde019dcf98 CR3: 0000000043efe000 CR4: 0000000000350ef0 Call Trace: arch_stack_walk+0x73/0xf0 arch/x86/kernel/stacktrace.c:27 stack_trace_save+0x8c/0xc0 kernel/stacktrace.c:121 kasan_save_stack+0x1b/0x40 mm/kasan/common.c:48 kasan_set_track mm/kasan/common.c:56 [inline] __kasan_kmalloc.constprop.0+0xc9/0xd0 mm/kasan/common.c:461 slab_post_alloc_hook mm/slab.h:532 [inline] slab_alloc_node mm/slub.c:2896 [inline] slab_alloc mm/slub.c:2904 [inline] kmem_cache_alloc+0x13b/0x310 mm/slub.c:2909 mem_pool_alloc mm/kmemleak.c:423 [inline] create_object.isra.0+0x3a/0xa20 mm/kmemleak.c:578 kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline] slab_post_alloc_hook mm/slab.h:534 [inline] slab_alloc_node mm/slub.c:2896 [inline] kmem_cache_alloc_node+0x169/0x330 mm/slub.c:2932 __alloc_skb+0x6d/0x5b0 net/core/skbuff.c:200 skb_copy+0x183/0x350 net/core/skbuff.c:1530 mac80211_hwsim_tx_frame_no_nl.isra.0+0xb50/0x1410 drivers/net/wireless/mac80211_hwsim.c:1499 mac80211_hwsim_tx_frame+0x152/0x1e0 drivers/net/wireless/mac80211_hwsim.c:1716 mac80211_hwsim_beacon_tx+0x494/0x940 drivers/net/wireless/mac80211_hwsim.c:1770 __iterate_interfaces+0x1f0/0x550 net/mac80211/util.c:792 ieee80211_iterate_active_interfaces_atomic+0x71/0x1c0 net/mac80211/util.c:828 mac80211_hwsim_beacon+0xd1/0x1d0 drivers/net/wireless/mac80211_hwsim.c:1793 __run_hrtimer kernel/time/hrtimer.c:1588 [inline] __hrtimer_run_queues+0x632/0xb40 kernel/time/hrtimer.c:1652 hrtimer_run_softirq+0x148/0x310 kernel/time/hrtimer.c:1669 __do_softirq+0x1b8/0x7c9 kernel/softirq.c:298 asm_call_irq_on_stack+0x12/0x20 __run_on_irqstack arch/x86/include/asm/irq_stack.h:26 [inline] run_on_irqstack_cond arch/x86/include/asm/irq_stack.h:77 [inline] do_softirq_own_stack+0x80/0xa0 arch/x86/kernel/irq_64.c:77 invoke_softirq kernel/softirq.c:393 [inline] __irq_exit_rcu kernel/softirq.c:423 [inline] irq_exit_rcu+0x114/0x1b0 kernel/softirq.c:435 sysvec_apic_timer_interrupt+0x43/0xa0 arch/x86/kernel/apic/apic.c:1106 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:635 RIP: 0010:refill_obj_stock+0x18c/0x320 mm/memcontrol.c:3231 Code: f4 48 c1 ea 03 0f b6 04 02 84 c0 74 08 3c 03 0f 8e 45 01 00 00 44 89 65 18 41 81 fc 00 10 00 00 77 56 4d 85 f6 75 4a 41 55 9d <48> 83 c4 08 5b 5d 41 5c 41 5d 41 5e 41 5f e9 01 ad b1 02 48 b8 00 RSP: 0018:ffff888047967668 EFLAGS: 00000292 RAX: 0000000000560bc3 RBX: ffff88806ce38cf8 RCX: 1ffffffff0d0e94a RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff816e92f8 RBP: ffff88806ce38ce0 R08: 0000000000000001 R09: ffffffff8686e6af R10: fffffbfff0d0dcd5 R11: 0000000000000001 R12: 00000000000010e8 R13: 0000000000000292 R14: 0000000000000200 R15: ffff88806ce38cf0 memcg_slab_free_hook mm/slab.h:382 [inline] memcg_slab_free_hook mm/slab.h:351 [inline] do_slab_free mm/slub.c:3105 [inline] ___cache_free+0x101/0x360 mm/slub.c:3156 qlink_free mm/kasan/quarantine.c:151 [inline] qlist_free_all+0x59/0xe0 mm/kasan/quarantine.c:170 quarantine_reduce+0x184/0x210 mm/kasan/quarantine.c:267 __kasan_kmalloc.constprop.0+0xa2/0xd0 mm/kasan/common.c:442 slab_post_alloc_hook mm/slab.h:532 [inline] slab_alloc_node mm/slub.c:2896 [inline] slab_alloc mm/slub.c:2904 [inline] __kmalloc_track_caller+0x159/0x370 mm/slub.c:4465 kmemdup+0x23/0x50 mm/util.c:128 kmemdup include/linux/string.h:465 [inline] devinet_init_net+0x76/0x650 net/ipv4/devinet.c:2688 ops_init+0xbb/0x6b0 net/core/net_namespace.c:156 setup_net+0x2f4/0x900 net/core/net_namespace.c:348 copy_net_ns+0x2c0/0x5d0 net/core/net_namespace.c:518 create_new_namespaces+0x3f6/0xb20 kernel/nsproxy.c:110 copy_namespaces+0x3fb/0x4f0 kernel/nsproxy.c:179 copy_process+0x393a/0x78b0 kernel/fork.c:2214 kernel_clone+0xe7/0x980 kernel/fork.c:2582 __do_sys_clone3+0x1e5/0x320 kernel/fork.c:2857 do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x67/0xd1 RIP: 0033:0x7f5b6d903b19 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 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f5b6ae79188 EFLAGS: 00000246 ORIG_RAX: 00000000000001b3 RAX: ffffffffffffffda RBX: 00007f5b6da16f60 RCX: 00007f5b6d903b19 RDX: 0000000000000000 RSI: 0000000000000058 RDI: 00000000200001c0 RBP: 00007f5b6d95df6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffe3355d1cf R14: 00007f5b6ae79300 R15: 0000000000022000 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 0 Comm: swapper/1 Not tainted 5.10.238 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:cpu_relax arch/x86/include/asm/vdso/processor.h:19 [inline] RIP: 0010:virt_spin_lock arch/x86/include/asm/qspinlock.h:100 [inline] RIP: 0010:queued_spin_lock_slowpath+0x122/0x8c0 kernel/locking/qspinlock.c:326 Code: 00 00 00 65 48 2b 04 25 28 00 00 00 0f 85 09 07 00 00 48 81 c4 88 00 00 00 5b 5d 41 5c 41 5d 41 5e 41 5f e9 f0 80 f8 02 f3 90 73 ff ff ff 44 8b 74 24 48 41 81 fe 00 01 00 00 0f 84 e1 00 00 RSP: 0018:ffff88806cf09a38 EFLAGS: 00000202 RAX: 0000000000000000 RBX: ffffffff87a0a080 RCX: ffffffff8127be57 RDX: fffffbfff0f41411 RSI: 0000000000000004 RDI: ffffffff87a0a080 RBP: 0000000000000001 R08: 0000000000000000 R09: ffffffff87a0a083 R10: fffffbfff0f41410 R11: 0000000000000001 R12: 0000000000000003 R13: fffffbfff0f41410 R14: 0000000000000001 R15: 1ffff1100d9e1348 FS: 0000000000000000(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000c000790000 CR3: 000000001b5a8000 CR4: 0000000000350ee0 Call Trace: queued_spin_lock include/asm-generic/qspinlock.h:85 [inline] do_raw_spin_lock+0x1dc/0x260 kernel/locking/spinlock_debug.c:113 spin_lock include/linux/spinlock.h:354 [inline] mac80211_hwsim_tx_frame_no_nl.isra.0+0x6c8/0x1410 drivers/net/wireless/mac80211_hwsim.c:1450 mac80211_hwsim_tx_frame+0x152/0x1e0 drivers/net/wireless/mac80211_hwsim.c:1716 mac80211_hwsim_beacon_tx+0x494/0x940 drivers/net/wireless/mac80211_hwsim.c:1770 __iterate_interfaces+0x1f0/0x550 net/mac80211/util.c:792 ieee80211_iterate_active_interfaces_atomic+0x71/0x1c0 net/mac80211/util.c:828 mac80211_hwsim_beacon+0xd1/0x1d0 drivers/net/wireless/mac80211_hwsim.c:1793 __run_hrtimer kernel/time/hrtimer.c:1588 [inline] __hrtimer_run_queues+0x632/0xb40 kernel/time/hrtimer.c:1652 hrtimer_run_softirq+0x148/0x310 kernel/time/hrtimer.c:1669 __do_softirq+0x1b8/0x7c9 kernel/softirq.c:298 asm_call_irq_on_stack+0x12/0x20 __run_on_irqstack arch/x86/include/asm/irq_stack.h:26 [inline] run_on_irqstack_cond arch/x86/include/asm/irq_stack.h:77 [inline] do_softirq_own_stack+0x80/0xa0 arch/x86/kernel/irq_64.c:77 invoke_softirq kernel/softirq.c:393 [inline] __irq_exit_rcu kernel/softirq.c:423 [inline] irq_exit_rcu+0x114/0x1b0 kernel/softirq.c:435 sysvec_apic_timer_interrupt+0x43/0xa0 arch/x86/kernel/apic/apic.c:1106 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:635 RIP: 0010:default_idle+0xe/0x20 arch/x86/kernel/process.c:712 Code: 4e ff ff ff 4c 89 e7 e8 90 a2 83 fd eb 8f 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 e9 07 00 00 00 0f 00 2d 24 0c 59 00 fb f4 1d 0c 37 00 cc cc cc cc cc cc cc cc cc cc cc cc cc 41 55 41 54 RSP: 0018:ffff888008987e70 EFLAGS: 00000206 RAX: ffffffff83e93390 RBX: 0000000000000001 RCX: ffffffff83e7af2c RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff83e93998 RBP: 0000000000000001 R08: 0000000000000001 R09: ffff88806cf3c12b R10: ffffed100d9e7825 R11: 0000000000000001 R12: 0000000000000001 R13: ffffffff85678908 R14: 0000000000000000 R15: dffffc0000000000 default_idle_call+0xbf/0x2c0 kernel/sched/idle.c:112 cpuidle_idle_call kernel/sched/idle.c:194 [inline] do_idle+0x3b3/0x520 kernel/sched/idle.c:306 cpu_startup_entry+0x14/0x20 kernel/sched/idle.c:402 secondary_startup_64_no_verify+0xbe/0xcb ---------------- Code disassembly (best guess): 0: 48 8d 7b 08 lea 0x8(%rbx),%rdi 4: 8b 6b 10 mov 0x10(%rbx),%ebp 7: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax e: fc ff df 11: 48 89 fa mov %rdi,%rdx 14: 48 c1 ea 03 shr $0x3,%rdx 18: 0f b6 04 02 movzbl (%rdx,%rax,1),%eax 1c: 84 c0 test %al,%al 1e: 74 08 je 0x28 20: 3c 03 cmp $0x3,%al 22: 0f 8e ad 00 00 00 jle 0xd5 28: 31 c0 xor %eax,%eax * 2a: 3b 6b 08 cmp 0x8(%rbx),%ebp <-- trapping instruction 2d: 0f 83 81 00 00 00 jae 0xb4 33: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 3a: fc ff df 3d: 48 rex.W 3e: 8d .byte 0x8d 3f: 7b .byte 0x7b