Bluetooth: hci6: command 0x0406 tx timeout Bluetooth: hci2: command 0x0406 tx timeout Bluetooth: hci1: command 0x0406 tx timeout Bluetooth: hci3: command 0x0406 tx timeout Bluetooth: hci4: command 0x0406 tx timeout watchdog: BUG: soft lockup - CPU#0 stuck for 22s! [syz-executor.1:4692] Modules linked in: irq event stamp: 12630447 hardirqs last enabled at (12630446): [] asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:635 hardirqs last disabled at (12630447): [] sysvec_apic_timer_interrupt+0xb/0xa0 arch/x86/kernel/apic/apic.c:1106 softirqs last enabled at (12630088): [] asm_call_irq_on_stack+0x12/0x20 softirqs last disabled at (12630091): [] asm_call_irq_on_stack+0x12/0x20 CPU: 0 PID: 4692 Comm: syz-executor.1 Not tainted 5.10.230 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:ieee80211_rx_napi+0xa/0x3c0 net/mac80211/rx.c:4856 Code: eb f7 ff ff e8 97 f0 ac fd e9 bc f7 ff ff e8 8d f0 ac fd e9 88 f7 ff ff 0f 1f 84 00 00 00 00 00 48 b8 00 00 00 00 00 fc ff df <41> 57 41 56 49 89 ce 41 55 41 54 49 89 f4 55 48 89 fd 53 48 89 d3 RSP: 0018:ffff88806ce09ef8 EFLAGS: 00000246 RAX: dffffc0000000000 RBX: ffff888048bb94b0 RCX: 0000000000000000 RDX: ffff88804aefedc0 RSI: 0000000000000000 RDI: ffff888048bb8d00 RBP: dffffc0000000000 R08: 0000000000000001 R09: ffffffff8686a6ef R10: 0000000000000002 R11: 0000000000000001 R12: ffff88804aefedc0 R13: ffff888048bb8d00 R14: ffff888048bb9508 R15: 0000000000000001 FS: 00007f5f94fda700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2d02c000 CR3: 0000000018068000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000dd060a Call Trace: ieee80211_rx include/net/mac80211.h:4502 [inline] ieee80211_tasklet_handler+0xd3/0x130 net/mac80211/main.c:235 tasklet_action_common.constprop.0+0x244/0x2f0 kernel/softirq.c:560 __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:discard_slab+0x3/0x40 mm/slub.c:1869 Code: f7 e8 81 e7 ff ff e9 3e ff ff ff 48 c7 c6 58 c6 be 84 4c 89 ef e8 2d 9a f2 ff 0f 0b 49 89 c7 e9 46 ff ff ff 0f 1f 00 48 8b 16 <0f> b7 46 2a 48 c1 ea 3a 66 25 ff 7f 48 8b 94 d7 d0 00 00 00 f0 48 RSP: 0018:ffff88800cec75d0 EFLAGS: 00000246 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 1ffffffff0d0e152 RDX: 0100000000010200 RSI: ffffea0000600280 RDI: ffff8880083f9280 RBP: dffffc0000000000 R08: 0000000000000001 R09: ffffffff8686a6ef R10: fffffbfff0d0d4dd R11: 0000000000000001 R12: ffff88800cec7610 R13: 0000000080000000 R14: ffffffff80000000 R15: ffff88800b3ab0e0 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 kmalloc include/linux/slab.h:557 [inline] kzalloc include/linux/slab.h:664 [inline] new_dir fs/proc/proc_sysctl.c:954 [inline] get_subdir fs/proc/proc_sysctl.c:999 [inline] __register_sysctl_table+0x9ef/0x1090 fs/proc/proc_sysctl.c:1348 __addrconf_sysctl_register+0x1db/0x3e0 net/ipv6/addrconf.c:7000 addrconf_init_net+0x376/0x620 net/ipv6/addrconf.c:7111 ops_init+0xbb/0x6b0 net/core/net_namespace.c:156 setup_net+0x2d8/0x810 net/core/net_namespace.c:354 copy_net_ns+0x2c0/0x5d0 net/core/net_namespace.c:495 create_new_namespaces+0x3f6/0xb20 kernel/nsproxy.c:110 copy_namespaces+0x3fb/0x4f0 kernel/nsproxy.c:179 copy_process+0x385b/0x7800 kernel/fork.c:2129 kernel_clone+0xe7/0x980 kernel/fork.c:2506 __do_sys_clone3+0x1e5/0x320 kernel/fork.c:2781 do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x67/0xd1 RIP: 0033:0x7f5f97a64b19 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:00007f5f94fda188 EFLAGS: 00000246 ORIG_RAX: 00000000000001b3 RAX: ffffffffffffffda RBX: 00007f5f97b77f60 RCX: 00007f5f97a64b19 RDX: 0000000000000000 RSI: 0000000000000058 RDI: 0000000020000ac0 RBP: 00007f5f97abef6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffd4b12b3ff R14: 00007f5f94fda300 R15: 0000000000022000 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 skipped: idling at native_safe_halt arch/x86/include/asm/irqflags.h:60 [inline] NMI backtrace for cpu 1 skipped: idling at arch_safe_halt arch/x86/include/asm/irqflags.h:103 [inline] NMI backtrace for cpu 1 skipped: idling at default_idle+0xe/0x20 arch/x86/kernel/process.c:706 Bluetooth: hci7: command 0x0406 tx timeout ---------------- Code disassembly (best guess), 4 bytes skipped: 0: e8 97 f0 ac fd callq 0xfdacf09c 5: e9 bc f7 ff ff jmpq 0xfffff7c6 a: e8 8d f0 ac fd callq 0xfdacf09c f: e9 88 f7 ff ff jmpq 0xfffff79c 14: 0f 1f 84 00 00 00 00 nopl 0x0(%rax,%rax,1) 1b: 00 1c: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 23: fc ff df * 26: 41 57 push %r15 <-- trapping instruction 28: 41 56 push %r14 2a: 49 89 ce mov %rcx,%r14 2d: 41 55 push %r13 2f: 41 54 push %r12 31: 49 89 f4 mov %rsi,%r12 34: 55 push %rbp 35: 48 89 fd mov %rdi,%rbp 38: 53 push %rbx 39: 48 89 d3 mov %rdx,%rbx