Bluetooth: hci6: command 0x0406 tx timeout Bluetooth: hci5: command 0x0406 tx timeout Bluetooth: hci7: command 0x0406 tx timeout Bluetooth: hci0: command 0x0406 tx timeout Bluetooth: hci4: command 0x0406 tx timeout watchdog: BUG: soft lockup - CPU#1 stuck for 22s! [syz-executor.7:4045] Modules linked in: irq event stamp: 9153911 hardirqs last enabled at (9153910): [<ffffffff8460144a>] asm_sysvec_apic_timer_interrupt+0x1a/0x20 hardirqs last disabled at (9153911): [<ffffffff843fe0af>] sysvec_apic_timer_interrupt+0xf/0xc0 softirqs last enabled at (9152032): [<ffffffff8118443b>] __irq_exit_rcu+0x11b/0x180 softirqs last disabled at (9152035): [<ffffffff8118443b>] __irq_exit_rcu+0x11b/0x180 CPU: 1 PID: 4045 Comm: syz-executor.7 Not tainted 6.1.0-rc8-next-20221207 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:__orc_find+0x75/0xf0 Code: 29 e8 48 89 c2 48 c1 e8 3f 48 c1 fa 02 48 01 d0 48 d1 f8 48 8d 5c 85 00 48 89 d8 48 c1 e8 03 42 0f b6 14 38 48 89 d8 83 e0 07 <83> c0 03 38 d0 7c 04 84 d2 75 50 48 63 03 48 01 d8 48 39 c1 73 b0 RSP: 0018:ffff88806cf096d8 EFLAGS: 00000246 RAX: 0000000000000000 RBX: ffffffff86009430 RCX: ffffffff843f9d1e RDX: 0000000000000000 RSI: ffffffff8645e1e8 RDI: ffffffff86009430 RBP: ffffffff86009430 R08: ffffffff8645e1e8 R09: ffffffff86055748 R10: ffff88806cf09ff8 R11: 0000000000038001 R12: ffffffff86009430 R13: ffffffff86009430 R14: ffffffff86009430 R15: dffffc0000000000 FS: 00007f81e7e1d700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00005557a53c46f0 CR3: 000000000f4cc000 CR4: 0000000000350ee0 Call Trace: <IRQ> unwind_next_frame+0x2b1/0x2130 arch_stack_walk+0x87/0xf0 stack_trace_save+0x90/0xd0 kasan_save_stack+0x22/0x50 kasan_set_track+0x25/0x30 __kasan_slab_alloc+0x5c/0x70 kmem_cache_alloc_node+0x1f5/0x420 __alloc_skb+0x21a/0x310 __netdev_alloc_skb+0x76/0x3e0 __ieee80211_beacon_get+0x3d9/0x1310 ieee80211_beacon_get_tim+0x99/0x4f0 mac80211_hwsim_beacon_tx+0x1d2/0xab0 __iterate_interfaces+0x2d3/0x560 ieee80211_iterate_active_interfaces_atomic+0x74/0x180 mac80211_hwsim_beacon+0x105/0x200 __hrtimer_run_queues+0x54b/0xba0 hrtimer_run_softirq+0x176/0x350 __do_softirq+0x1c7/0x8f9 __irq_exit_rcu+0x11b/0x180 irq_exit_rcu+0x9/0x30 sysvec_apic_timer_interrupt+0x92/0xc0 </IRQ> <TASK> asm_sysvec_apic_timer_interrupt+0x1a/0x20 RIP: 0010:memcg_slab_post_alloc_hook+0x21/0x440 Code: 90 90 90 90 90 90 90 90 90 41 57 41 56 41 55 41 54 55 53 48 83 ec 10 89 54 24 0c 48 89 0c 24 0f 1f 44 00 00 49 89 f4 48 85 f6 <0f> 84 4a 02 00 00 48 89 fd 4d 89 c6 45 31 ed 48 85 c9 0f 84 7d 01 RSP: 0018:ffff888044e9f1e8 EFLAGS: 00000246 RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000001 RDX: 0000000000040dc0 RSI: 0000000000000000 RDI: ffff888008441500 RBP: ffff888008441500 R08: ffff888044e9f240 R09: ffffffff8762e8cf R10: fffffbfff0ec5d19 R11: 0000000000000001 R12: 0000000000000000 R13: 0000000000000020 R14: 0000000000000020 R15: 0000000000000000 __kmem_cache_alloc_node+0x21f/0x400 __kmalloc_node+0x45/0xb0 memcg_alloc_slab_cgroups+0x7e/0x130 allocate_slab+0xf4/0x2f0 ___slab_alloc+0x8f5/0x1080 __slab_alloc.constprop.0+0x4d/0x90 __kmem_cache_alloc_node+0x33e/0x400 __kmalloc_node_track_caller+0x43/0xb0 kmemdup+0x2c/0x60 __addrconf_sysctl_register+0x9d/0x3e0 addrconf_sysctl_register+0x13d/0x1e0 ipv6_add_dev+0xa0f/0x12c0 addrconf_notify+0xbdb/0x2440 raw_notifier_call_chain+0xb7/0x110 call_netdevice_notifiers_info+0xb5/0x130 register_netdevice+0xf47/0x1530 register_netdev+0x31/0x60 loopback_net_init+0x7a/0x170 ops_init+0xbb/0x680 setup_net+0x40c/0x9d0 copy_net_ns+0x31c/0x760 create_new_namespaces+0x3f6/0xb30 copy_namespaces+0x3b7/0x4a0 copy_process+0x29e3/0x7220 kernel_clone+0xeb/0x950 __do_sys_clone3+0x1d9/0x370 do_syscall_64+0x3f/0x90 entry_SYSCALL_64_after_hwframe+0x72/0xdc RIP: 0033:0x7f81ea8a7b19 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:00007f81e7e1d188 EFLAGS: 00000246 ORIG_RAX: 00000000000001b3 RAX: ffffffffffffffda RBX: 00007f81ea9baf60 RCX: 00007f81ea8a7b19 RDX: 0000000000000000 RSI: 0000000000000058 RDI: 0000000020004c00 RBP: 00007f81ea901f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffd1c28945f R14: 00007f81e7e1d300 R15: 0000000000022000 </TASK> Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 4109 Comm: syz-executor.2 Not tainted 6.1.0-rc8-next-20221207 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:perf_output_begin_forward+0xef/0xb00 Code: 40 84 ed 0f 84 b8 06 00 00 e8 5d 6e ec ff 48 8d bb e8 02 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 <0f> 85 8d 09 00 00 48 8b 83 e8 02 00 00 48 85 c0 48 0f 45 d8 48 89 RSP: 0018:ffff88806ce093e0 EFLAGS: 00000046 RAX: dffffc0000000000 RBX: ffff888008ea91a0 RCX: 0000000000000100 RDX: 1ffff110011d5291 RSI: ffffffff815ce2c3 RDI: ffff888008ea9488 RBP: 0000000000000001 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000001 R12: ffff88806ce09680 R13: ffff888008ea91a0 R14: ffff88806ce09a38 R15: 0000000000000008 FS: 0000000000000000(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f29f8c75220 CR3: 00000000108a2000 CR4: 0000000000350ef0 Call Trace: <IRQ> perf_event_output_forward+0xf6/0x280 __perf_event_overflow+0x3ed/0x760 perf_swevent_hrtimer+0x361/0x3d0 __hrtimer_run_queues+0x17f/0xba0 hrtimer_interrupt+0x319/0x770 __sysvec_apic_timer_interrupt+0x148/0x500 sysvec_apic_timer_interrupt+0x3f/0xc0 asm_sysvec_apic_timer_interrupt+0x1a/0x20 RIP: 0010:___slab_alloc+0x2/0x1080 Code: ff ff 45 31 ff e9 2e fe ff ff 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 41 57 <41> 56 41 55 41 54 41 89 d4 55 48 89 fd 53 4c 89 c3 65 4c 8b 34 25 RSP: 0018:ffff88806ce09ae0 EFLAGS: 00000282 RAX: 0000000000000000 RBX: ffff88806ce416d0 RCX: ffffffff834b1e0a RDX: 00000000ffffffff RSI: 0000000000000a20 RDI: ffff888008c9adc0 RBP: ffff888008c9adc0 R08: ffff88806ce416d0 R09: 00000000000000f0 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000a20 R13: 00000000ffffffff R14: ffffffff834b1e0a R15: 00000000000000f0 __slab_alloc.constprop.0+0x4d/0x90 kmem_cache_alloc_node+0x361/0x420 __alloc_skb+0x21a/0x310 __netdev_alloc_skb+0x76/0x3e0 __ieee80211_beacon_get+0x3d9/0x1310 ieee80211_beacon_get_tim+0x99/0x4f0 mac80211_hwsim_beacon_tx+0x1d2/0xab0 __iterate_interfaces+0x2d3/0x560 ieee80211_iterate_active_interfaces_atomic+0x74/0x180 mac80211_hwsim_beacon+0x105/0x200 __hrtimer_run_queues+0x54b/0xba0 hrtimer_run_softirq+0x176/0x350 __do_softirq+0x1c7/0x8f9 __irq_exit_rcu+0x11b/0x180 irq_exit_rcu+0x9/0x30 sysvec_apic_timer_interrupt+0x92/0xc0 </IRQ> <TASK> asm_sysvec_apic_timer_interrupt+0x1a/0x20 RIP: 0010:unmap_page_range+0x1b24/0x2c10 Code: 00 0f 85 c8 07 00 00 49 8b 5d 08 31 ff 49 89 de 41 83 e6 01 4c 89 f6 e8 fa 08 dc ff 4d 85 f6 0f 85 17 04 00 00 e8 8c 0c dc ff <0f> 1f 44 00 00 4c 89 eb e8 7f 0c dc ff 48 8d 7b 18 48 89 f8 48 c1 RSP: 0018:ffff88804620f700 EFLAGS: 00000293 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 RDX: ffff88801bc58000 RSI: ffffffff816d4494 RDI: 0000000000000007 RBP: dffffc0000000000 R08: 0000000000000007 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000001 R12: ffff88801bc28130 R13: ffffea0000d92000 R14: 0000000000000000 R15: ffff88804620fad8 unmap_single_vma+0x190/0x2a0 unmap_vmas+0x226/0x380 exit_mmap+0x158/0x680 mmput+0xd5/0x390 do_exit+0x99b/0x2720 do_group_exit+0xd4/0x2a0 get_signal+0x21b7/0x22f0 arch_do_signal_or_restart+0x79/0x5a0 exit_to_user_mode_prepare+0x131/0x1a0 syscall_exit_to_user_mode+0x1d/0x50 do_syscall_64+0x4c/0x90 entry_SYSCALL_64_after_hwframe+0x72/0xdc RIP: 0033:0x7f512a1f2b19 Code: Unable to access opcode bytes at 0x7f512a1f2aef. RSP: 002b:00007f5127747188 EFLAGS: 00000246 ORIG_RAX: 000000000000012a RAX: 0000000000000004 RBX: 00007f512a306020 RCX: 00007f512a1f2b19 RDX: ffffffffffffffff RSI: 0000000000000000 RDI: 0000000020000280 RBP: 00007f512a24cf6d R08: 0000000000000000 R09: 0000000000000000 R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffc94d13d0f R14: 00007f5127747300 R15: 0000000000022000 </TASK> Bluetooth: hci2: command 0x0406 tx timeout Bluetooth: hci3: command 0x0406 tx timeout ---------------- Code disassembly (best guess): 0: 29 e8 sub %ebp,%eax 2: 48 89 c2 mov %rax,%rdx 5: 48 c1 e8 3f shr $0x3f,%rax 9: 48 c1 fa 02 sar $0x2,%rdx d: 48 01 d0 add %rdx,%rax 10: 48 d1 f8 sar %rax 13: 48 8d 5c 85 00 lea 0x0(%rbp,%rax,4),%rbx 18: 48 89 d8 mov %rbx,%rax 1b: 48 c1 e8 03 shr $0x3,%rax 1f: 42 0f b6 14 38 movzbl (%rax,%r15,1),%edx 24: 48 89 d8 mov %rbx,%rax 27: 83 e0 07 and $0x7,%eax * 2a: 83 c0 03 add $0x3,%eax <-- trapping instruction 2d: 38 d0 cmp %dl,%al 2f: 7c 04 jl 0x35 31: 84 d2 test %dl,%dl 33: 75 50 jne 0x85 35: 48 63 03 movslq (%rbx),%rax 38: 48 01 d8 add %rbx,%rax 3b: 48 39 c1 cmp %rax,%rcx 3e: 73 b0 jae 0xfffffff0