Bluetooth: hci2: unexpected cc 0x0c38 length: 249 > 2 Bluetooth: hci2: command tx timeout Bluetooth: hci2: command tx timeout Bluetooth: hci2: command tx timeout Bluetooth: hci2: command tx timeout watchdog: BUG: soft lockup - CPU#1 stuck for 22s! [syz-executor.6:14122] Modules linked in: irq event stamp: 2982425 hardirqs last enabled at (2982424): [] irqentry_exit+0x3b/0x90 hardirqs last disabled at (2982425): [] sysvec_apic_timer_interrupt+0xf/0x80 softirqs last enabled at (2914024): [] handle_softirqs+0x50c/0x770 softirqs last disabled at (2914027): [] __irq_exit_rcu+0xc4/0x100 CPU: 1 UID: 0 PID: 14122 Comm: syz-executor.6 Not tainted 6.13.0-rc3-next-20241220 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:srso_return_thunk+0x0/0x5f Code: cc cc cc cc cc cc cc cc 48 b8 48 8d 64 24 08 c3 cc cc 0f ae e8 e8 f0 ff ff ff 0f 0b 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 db ff ff ff 0f 0b 66 66 2e 0f 1f 84 00 00 00 00 00 66 66 2e 0f RSP: 0018:ffff88806cf094c0 EFLAGS: 00000286 RAX: ffffffff86849146 RBX: 0000000000000002 RCX: ffffffff81af009c RDX: 0000000000000000 RSI: ffffffff8684910a RDI: ffffffff864ce934 RBP: ffff88806cf09590 R08: ffffffff8684910a R09: ffff88806cf09578 R10: 000000000003aab6 R11: 0000000000025323 R12: ffff88806cf09598 R13: ffff88806cf09580 R14: ffff88806cf09579 R15: ffff88806cf09538 FS: 00007fe3b2354700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000200011c0 CR3: 000000003ecc8000 CR4: 0000000000350ef0 Call Trace: unwind_next_frame+0x2b7/0x2490 arch_stack_walk+0x87/0xf0 stack_trace_save+0x8f/0xc0 kasan_save_stack+0x24/0x50 kasan_save_track+0x14/0x30 __kasan_slab_alloc+0x59/0x70 kmem_cache_alloc_noprof+0x13d/0x3d0 __alloc_object+0x2f/0x270 __create_object+0x1d/0x80 kmem_cache_alloc_node_noprof+0x311/0x3e0 kmalloc_reserve+0x189/0x2b0 __alloc_skb+0x162/0x370 skb_copy+0x1d5/0x3b0 mac80211_hwsim_tx_frame_no_nl.isra.0+0xafb/0x1320 mac80211_hwsim_tx_frame+0x1ee/0x2a0 mac80211_hwsim_beacon_tx+0x546/0x950 __iterate_interfaces+0x2e0/0x650 ieee80211_iterate_active_interfaces_atomic+0x71/0x1b0 mac80211_hwsim_beacon+0x105/0x200 __hrtimer_run_queues+0x1ab/0xa80 hrtimer_run_softirq+0x14c/0x310 handle_softirqs+0x1b1/0x770 __irq_exit_rcu+0xc4/0x100 irq_exit_rcu+0x9/0x20 sysvec_apic_timer_interrupt+0x70/0x80 asm_sysvec_apic_timer_interrupt+0x1a/0x20 RIP: 0010:__sanitizer_cov_trace_switch+0x16/0x90 Code: 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 41 56 41 55 41 54 49 89 fc 55 48 89 f5 53 48 8b 46 08 <48> 83 f8 20 74 6b 77 48 48 83 f8 08 74 5b 48 83 f8 10 75 2f 41 bd RSP: 0018:ffff8880381bfa78 EFLAGS: 00000246 RAX: 0000000000000020 RBX: 0000000000000000 RCX: 1ffff110017b3a70 RDX: 1ffff11007037f6c RSI: ffffffff852d1a40 RDI: 0000000000000000 RBP: ffffffff852d1a40 R08: 0000000000000001 R09: ffffed100783815f R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000000 R13: dffffc0000000000 R14: ffff8880381bfb60 R15: ffff8880381bfb28 mas_find+0x4e/0x550 acct_collect+0x1db/0x880 do_exit+0x7b5/0x2a40 do_group_exit+0xd3/0x2a0 get_signal+0x2240/0x2320 arch_do_signal_or_restart+0x81/0x780 syscall_exit_to_user_mode+0x123/0x1e0 do_syscall_64+0xcc/0x1d0 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fe3b4d91a04 Code: 84 00 00 00 00 00 44 89 54 24 0c e8 96 f9 ff ff 44 8b 54 24 0c 44 89 e2 48 89 ee 41 89 c0 bf 9c ff ff ff b8 01 01 00 00 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 89 44 24 0c e8 c8 f9 ff ff 8b 44 RSP: 002b:00007fe3b2354060 EFLAGS: 00000293 ORIG_RAX: 0000000000000101 RAX: fffffffffffffffe RBX: 00007fe3b4ef1f60 RCX: 00007fe3b4d91a04 RDX: 0000000000000002 RSI: 00007fe3b23540f0 RDI: 00000000ffffff9c RBP: 00007fe3b23540f0 R08: 0000000000000000 R09: 00007fe3b2353f70 R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000002 R13: 00007ffe4b8a234f R14: 00007fe3b2354300 R15: 0000000000022000 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 UID: 0 PID: 14361 Comm: modprobe Not tainted 6.13.0-rc3-next-20241220 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:queued_spin_lock_slowpath+0x242/0xb60 Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 85 08 00 00 b8 01 00 00 00 66 89 45 00 e9 bf fe ff ff 89 44 24 38 f3 90 5b fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 RSP: 0018:ffff88806ce099e0 EFLAGS: 00000202 RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffff84aa53ff RDX: fffffbfff0c1bb01 RSI: 0000000000000004 RDI: ffffffff860dd800 RBP: ffffffff860dd800 R08: 0000000000000000 R09: fffffbfff0c1bb00 R10: ffffffff860dd803 R11: 0000000000000001 R12: 1ffff1100d9c133d R13: 0000000000000003 R14: fffffbfff0c1bb00 R15: ffff88806ce09a18 FS: 0000000000000000(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055e208e70080 CR3: 00000000420e6000 CR4: 0000000000350ef0 Call Trace: do_raw_spin_lock+0x1de/0x270 mac80211_hwsim_tx_frame_no_nl.isra.0+0x6d1/0x1320 mac80211_hwsim_tx_frame+0x1ee/0x2a0 mac80211_hwsim_beacon_tx+0x546/0x950 __iterate_interfaces+0x2e0/0x650 ieee80211_iterate_active_interfaces_atomic+0x71/0x1b0 mac80211_hwsim_beacon+0x105/0x200 __hrtimer_run_queues+0x1ab/0xa80 hrtimer_run_softirq+0x14c/0x310 handle_softirqs+0x1b1/0x770 __irq_exit_rcu+0xc4/0x100 irq_exit_rcu+0x9/0x20 sysvec_apic_timer_interrupt+0x70/0x80 asm_sysvec_apic_timer_interrupt+0x1a/0x20 RIP: 0010:unwind_next_frame+0x482/0x2490 Code: bd 17 00 00 41 c6 47 40 01 48 c7 c1 40 d9 ac 85 48 c7 c0 45 d9 ac 85 eb 49 48 c7 c1 80 d9 ac 85 48 ba 00 00 00 00 00 fc ff df <48> 8d 41 05 48 89 c6 48 c1 ee 03 0f b6 14 16 48 89 c6 83 e6 07 40 RSP: 0018:ffff888042117398 EFLAGS: 00000282 RAX: ffffffff8678315e RBX: 0000000000000001 RCX: ffffffff8678315e RDX: dffffc0000000000 RSI: ffffffff86783140 RDI: ffffffff8644a958 RBP: ffff8880421174b0 R08: ffffffff86783140 R09: ffff888042117498 R10: 000000000003aab6 R11: 000000000000432c R12: ffff8880421174b8 R13: ffff8880421174a0 R14: ffff888042117499 R15: ffff888042117458 __unwind_start+0x517/0x7c0 arch_stack_walk+0x63/0xf0 stack_trace_save+0x8f/0xc0 kasan_save_stack+0x24/0x50 kasan_save_track+0x14/0x30 __kasan_slab_alloc+0x59/0x70 kmem_cache_alloc_bulk_noprof+0x360/0x8c0 mas_alloc_nodes+0x347/0x8b0 mas_node_count_gfp+0x106/0x140 mas_preallocate+0x1c1/0x590 vma_link+0x104/0x690 insert_vm_struct+0x197/0x3f0 _install_special_mapping+0x198/0x3d0 map_vdso+0x1ee/0x5f0 arch_setup_additional_pages+0x35/0x50 load_elf_binary+0x20b1/0x5010 bprm_execve+0x8f8/0x1670 kernel_execve+0x2ff/0x3d0 call_usermodehelper_exec_async+0x25f/0x4e0 ret_from_fork+0x48/0x80 ret_from_fork_asm+0x1a/0x30 Bluetooth: hci5: unexpected cc 0x0c03 length: 249 > 1 Bluetooth: hci5: unexpected cc 0x1003 length: 249 > 9 Bluetooth: hci5: unexpected cc 0x1001 length: 249 > 9 Bluetooth: hci5: unexpected cc 0x0c23 length: 249 > 4 Bluetooth: hci5: unexpected cc 0x0c25 length: 249 > 3 Bluetooth: hci5: unexpected cc 0x0c38 length: 249 > 2 Bluetooth: hci7: unexpected cc 0x0c03 length: 249 > 1 Bluetooth: hci7: unexpected cc 0x1003 length: 249 > 9 Bluetooth: hci7: unexpected cc 0x1001 length: 249 > 9 Bluetooth: hci7: unexpected cc 0x0c23 length: 249 > 4 Bluetooth: hci7: unexpected cc 0x0c25 length: 249 > 3 Bluetooth: hci7: unexpected cc 0x0c38 length: 249 > 2 Bluetooth: hci5: command tx timeout Bluetooth: hci7: command tx timeout Bluetooth: hci5: command tx timeout Bluetooth: hci7: command tx timeout ---------------- Code disassembly (best guess): 0: cc int3 1: cc int3 2: cc int3 3: cc int3 4: cc int3 5: cc int3 6: cc int3 7: cc int3 8: 48 b8 48 8d 64 24 08 movabs $0xccccc30824648d48,%rax f: c3 cc cc 12: 0f ae e8 lfence 15: e8 f0 ff ff ff callq 0xa 1a: 0f 0b ud2 1c: 66 66 2e 0f 1f 84 00 data16 nopw %cs:0x0(%rax,%rax,1) 23: 00 00 00 00 27: 0f 1f 00 nopl (%rax) * 2a: e8 db ff ff ff callq 0xa <-- trapping instruction 2f: 0f 0b ud2 31: 66 66 2e 0f 1f 84 00 data16 nopw %cs:0x0(%rax,%rax,1) 38: 00 00 00 00 3c: 66 data16 3d: 66 data16 3e: 2e cs 3f: 0f .byte 0xf