Bluetooth: hci1: command 0x0406 tx timeout Bluetooth: hci2: command 0x0406 tx timeout Bluetooth: hci6: command 0x0406 tx timeout Bluetooth: hci5: command 0x0406 tx timeout Bluetooth: hci7: command 0x0406 tx timeout watchdog: BUG: soft lockup - CPU#1 stuck for 22s! [syz-executor.5:4363] Modules linked in: irq event stamp: 9982369 hardirqs last enabled at (9982368): [] asm_sysvec_irq_work+0x12/0x20 arch/x86/include/asm/idtentry.h:661 hardirqs last disabled at (9982369): [] sysvec_apic_timer_interrupt+0xb/0xa0 arch/x86/kernel/apic/apic.c:1095 softirqs last enabled at (9956636): [] asm_call_irq_on_stack+0x12/0x20 softirqs last disabled at (9956639): [] asm_call_irq_on_stack+0x12/0x20 CPU: 1 PID: 4363 Comm: syz-executor.5 Not tainted 5.10.109 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 RIP: 0010:unwind_next_frame+0xc42/0x1a90 arch/x86/kernel/unwind_orc.c:538 Code: 24 30 48 c1 ea 03 80 3c 02 00 0f 85 e1 0b 00 00 48 8b 14 24 4d 89 65 38 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 80 3c 02 00 <0f> 85 9f 0b 00 00 49 8d 7d 58 49 c7 45 50 00 00 00 00 48 b8 00 00 RSP: 0018:ffff88806cf09558 EFLAGS: 00000246 RAX: dffffc0000000000 RBX: 0000000000000002 RCX: ffffffff85a4f8aa RDX: 1ffff1100d9e12d0 RSI: ffff88806cf09b48 RDI: ffff88806cf09b48 RBP: ffff88806cf09665 R08: ffffffff85a4f8af R09: ffff88806cf09b50 R10: 0000000000030041 R11: 1ffff1100d9e12b3 R12: ffff88806cf09b50 R13: ffff88806cf09630 R14: 1ffff1100d9e12b3 R15: ffffffff85a4f8ae FS: 00007effd3f93700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f598e8d5308 CR3: 000000001aeb8000 CR4: 0000000000350ee0 Call Trace: arch_stack_walk+0x83/0xf0 arch/x86/kernel/stacktrace.c:25 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+0xc2/0xd0 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/0x350 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] slab_alloc mm/slub.c:2904 [inline] kmem_cache_alloc+0x159/0x350 mm/slub.c:2909 __skb_ext_alloc+0x19/0x80 net/core/skbuff.c:6224 skb_ext_add+0x504/0x670 net/core/skbuff.c:6319 skb_set_kcov_handle include/linux/skbuff.h:4622 [inline] skb_set_kcov_handle include/linux/skbuff.h:4612 [inline] __alloc_skb+0x3c1/0x620 net/core/skbuff.c:253 __netdev_alloc_skb+0x6e/0x360 net/core/skbuff.c:446 netdev_alloc_skb include/linux/skbuff.h:2826 [inline] dev_alloc_skb include/linux/skbuff.h:2839 [inline] __ieee80211_beacon_get+0x3af/0x13a0 net/mac80211/tx.c:4874 ieee80211_beacon_get_tim+0x88/0x900 net/mac80211/tx.c:4988 ieee80211_beacon_get include/net/mac80211.h:4912 [inline] mac80211_hwsim_beacon_tx+0x111/0x8f0 drivers/net/wireless/mac80211_hwsim.c:1736 __iterate_interfaces+0x1f0/0x530 net/mac80211/util.c:792 ieee80211_iterate_active_interfaces_atomic+0x72/0x180 net/mac80211/util.c:828 mac80211_hwsim_beacon+0xcd/0x1c0 drivers/net/wireless/mac80211_hwsim.c:1789 __run_hrtimer kernel/time/hrtimer.c:1583 [inline] __hrtimer_run_queues+0x5e8/0xb50 kernel/time/hrtimer.c:1647 hrtimer_run_softirq+0x148/0x310 kernel/time/hrtimer.c:1664 __do_softirq+0x1b8/0x867 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+0x110/0x1a0 kernel/softirq.c:435 sysvec_apic_timer_interrupt+0x43/0xa0 arch/x86/kernel/apic/apic.c:1095 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:635 RIP: 0010:qlist_free_all+0xa0/0xd0 mm/kasan/quarantine.c:130 Code: 15 25 27 3d 03 48 01 d0 48 c1 e8 0c 48 c1 e0 06 48 03 05 03 27 3d 03 48 8b 50 08 48 8d 4a ff 83 e2 01 48 0f 45 c1 48 8b 78 18 93 49 c7 44 24 08 00 00 00 00 49 c7 04 24 00 00 00 00 49 c7 44 RSP: 0018:ffff88801e35f850 EFLAGS: 00000202 RAX: ffffea00003eb100 RBX: 0000000000000000 RCX: ffffea00003eb100 RDX: 0000000000000001 RSI: ffff88800fac5400 RDI: ffff888007c41280 RBP: dffffc0000000000 R08: 0000000000000000 R09: ffffffff816b0b00 R10: ffff888017cb4800 R11: 0000000000000001 R12: ffff88801e35f888 R13: 0000000080000000 R14: ffffffff80000000 R15: ffff88800fac5400 quarantine_reduce+0x180/0x200 mm/kasan/quarantine.c:267 __kasan_kmalloc.constprop.0+0x9e/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+0x150/0x3e0 mm/slub.c:3967 kmalloc include/linux/slab.h:557 [inline] kzalloc include/linux/slab.h:664 [inline] ops_init net/core/net_namespace.c:142 [inline] setup_net+0x3aa/0x970 net/core/net_namespace.c:344 copy_net_ns+0x2ca/0x5d0 net/core/net_namespace.c:485 create_new_namespaces+0x3f6/0xb20 kernel/nsproxy.c:110 copy_namespaces+0x39a/0x480 kernel/nsproxy.c:179 copy_process+0x245f/0x66f0 kernel/fork.c:2108 kernel_clone+0xe7/0xa20 kernel/fork.c:2466 __do_sys_clone3+0x1dd/0x310 kernel/fork.c:2741 do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x7effd6a1db19 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:00007effd3f93188 EFLAGS: 00000246 ORIG_RAX: 00000000000001b3 RAX: ffffffffffffffda RBX: 00007effd6b30f60 RCX: 00007effd6a1db19 RDX: 0000000000000000 RSI: 0000000000000058 RDI: 0000000020000200 RBP: 00007effd6a77f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffee05efcef R14: 00007effd3f93300 R15: 0000000000022000 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 skipped: idling at native_safe_halt arch/x86/include/asm/irqflags.h:60 [inline] NMI backtrace for cpu 0 skipped: idling at arch_safe_halt arch/x86/include/asm/irqflags.h:103 [inline] NMI backtrace for cpu 0 skipped: idling at default_idle+0xe/0x10 arch/x86/kernel/process.c:689 ---------------- Code disassembly (best guess): 0: 24 30 and $0x30,%al 2: 48 c1 ea 03 shr $0x3,%rdx 6: 80 3c 02 00 cmpb $0x0,(%rdx,%rax,1) a: 0f 85 e1 0b 00 00 jne 0xbf1 10: 48 8b 14 24 mov (%rsp),%rdx 14: 4d 89 65 38 mov %r12,0x38(%r13) 18: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 1f: fc ff df 22: 48 c1 ea 03 shr $0x3,%rdx 26: 80 3c 02 00 cmpb $0x0,(%rdx,%rax,1) * 2a: 0f 85 9f 0b 00 00 jne 0xbcf <-- trapping instruction 30: 49 8d 7d 58 lea 0x58(%r13),%rdi 34: 49 c7 45 50 00 00 00 movq $0x0,0x50(%r13) 3b: 00 3c: 48 rex.W 3d: b8 .byte 0xb8