Bluetooth: hci1: unexpected cc 0x0c23 length: 249 > 4 Bluetooth: hci1: unexpected cc 0x0c25 length: 249 > 3 Bluetooth: hci1: unexpected cc 0x0c38 length: 249 > 2 Bluetooth: hci1: command tx timeout watchdog: BUG: soft lockup - CPU#0 stuck for 26s! [syz-executor.4:7402] Modules linked in: irq event stamp: 2468473 hardirqs last enabled at (2468472): [] irqentry_exit+0x3b/0x90 hardirqs last disabled at (2468473): [] sysvec_apic_timer_interrupt+0xf/0x80 softirqs last enabled at (2464268): [] handle_softirqs+0x50c/0x770 softirqs last disabled at (2464277): [] __irq_exit_rcu+0xc4/0x100 CPU: 0 UID: 0 PID: 7402 Comm: syz-executor.4 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:cfg80211_inform_single_bss_data+0x505/0x1c70 Code: 21 79 18 fd 8b 74 24 18 4c 89 ef 81 ce 00 01 00 00 e8 af 43 4b fd 49 89 c5 48 85 c0 0f 84 a5 07 00 00 e8 fe 78 18 fd 4c 89 fa <48> b8 00 00 00 00 00 fc ff df 48 c1 ea 03 80 3c 02 00 0f 85 fd 13 RSP: 0018:ffff88806ce09598 EFLAGS: 00000246 RAX: 0000000000000000 RBX: ffff88806ce09970 RCX: 0000000000000080 RDX: ffff88806ce099a8 RSI: ffffffff84595052 RDI: ffff88806ce36250 RBP: ffff88806ce09b98 R08: 0000000000000920 R09: 00000000ffffffff R10: ffffffff863fcc97 R11: 0000000000000003 R12: ffff88803fcdb318 R13: ffff888015c50f80 R14: ffff88803fcd8700 R15: ffff88806ce099a8 FS: 00007f3ac1fae700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fff0b3a6fb0 CR3: 000000001a802000 CR4: 0000000000350ef0 Call Trace: cfg80211_inform_bss_data+0x20f/0x3510 cfg80211_inform_bss_frame_data+0x250/0x6a0 ieee80211_bss_info_update+0x2f6/0xa90 ieee80211_scan_rx+0x474/0xac0 ieee80211_rx_list+0x1e38/0x2840 ieee80211_rx_napi+0xdc/0x3b0 ieee80211_handle_queued_frames+0xd9/0x130 tasklet_action_common+0x235/0x3b0 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:__is_insn_slot_addr+0x11b/0x290 Code: 80 3c 28 00 0f 85 62 01 00 00 48 8b 1b 4c 39 f3 75 92 45 31 e4 e8 e5 7a ff ff e8 b0 d1 35 03 31 ff 89 c3 89 c6 e8 c5 75 ff ff <85> db 0f 85 af 00 00 00 e8 c8 7a ff ff 48 c7 c7 40 6c c1 85 48 8d RSP: 0018:ffff888041e6f528 EFLAGS: 00000297 RAX: 0000000000000002 RBX: 0000000000000001 RCX: ffffffff81724e7b RDX: ffff88800a31d340 RSI: 0000000000000000 RDI: 0000000000000005 RBP: 0000000000000001 R08: 0000000000000000 R09: fffffbfff0fdfbe4 R10: 0000000000000001 R11: 0000000000000003 R12: 0000000000000000 R13: 0000000000000000 R14: ffffffff85c6e308 R15: ffff88801aae6500 kernel_text_address+0x5b/0xc0 __kernel_text_address+0xd/0x40 unwind_get_return_address+0x59/0xa0 arch_stack_walk+0x9d/0xf0 stack_trace_save+0x8f/0xc0 kasan_save_stack+0x24/0x50 kasan_save_track+0x14/0x30 kasan_save_free_info+0x3a/0x60 __kasan_slab_free+0x38/0x50 kfree+0x132/0x480 __free_slab+0x10d/0x130 __put_partials+0xd8/0x110 qlist_free_all+0x50/0x160 kasan_quarantine_reduce+0x19f/0x240 __kasan_slab_alloc+0x49/0x70 kmem_cache_alloc_noprof+0x13d/0x3d0 alloc_buffer_head+0x24/0x130 folio_alloc_buffers+0x289/0x540 bdev_getblk+0x2d3/0x630 fat_alloc_new_dir+0x25b/0xd00 vfat_mkdir+0x104/0x310 vfs_mkdir+0x291/0x4f0 do_mkdirat+0x1a4/0x350 __x64_sys_mkdir+0xf3/0x140 do_syscall_64+0xbf/0x1d0 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f3ac4a37c27 Code: 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 53 00 00 00 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:00007f3ac1fadfa8 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f3ac4a37c27 RDX: 0000000000000000 RSI: 00000000000001ff RDI: 0000000020000100 RBP: 00007f3ac1fae040 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000020000100 R14: 00007f3ac1fae000 R15: 0000000000000000 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 UID: 0 PID: 7517 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:stack_access_ok+0x0/0x1d0 Code: 48 89 ef e8 62 3e 77 00 eb c0 48 89 ef e8 58 3e 77 00 eb da 66 0f 1f 44 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 <48> b8 00 00 00 00 00 fc ff df 41 56 41 55 41 54 49 89 d4 48 89 fa RSP: 0018:ffff888042497650 EFLAGS: 00000246 RAX: 0000000000000002 RBX: 0000000000000001 RCX: ffffffff868490c2 RDX: 0000000000000008 RSI: ffff888042497ae0 RDI: ffff8880424976c8 RBP: ffff888042497720 R08: ffffffff868490c6 R09: ffff888042497708 R10: 000000000003aab6 R11: 0000000000025311 R12: ffff888042497728 R13: ffff888042497710 R14: ffff888042497ae8 R15: ffff8880424976c8 FS: 0000000000000000(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055b654307080 CR3: 000000003f296000 CR4: 0000000000350ef0 Call Trace: unwind_next_frame+0xa5c/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_noprof+0x300/0x3d0 vm_area_alloc+0x113/0x200 _install_special_mapping+0x2e/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: hci1: command tx timeout Bluetooth: hci3: unexpected cc 0x0c03 length: 249 > 1 Bluetooth: hci3: unexpected cc 0x1003 length: 249 > 9 Bluetooth: hci3: unexpected cc 0x1001 length: 249 > 9 Bluetooth: hci3: unexpected cc 0x0c23 length: 249 > 4 Bluetooth: hci3: unexpected cc 0x0c25 length: 249 > 3 Bluetooth: hci3: unexpected cc 0x0c38 length: 249 > 2 Bluetooth: hci1: command tx timeout Bluetooth: hci6: unexpected cc 0x0c03 length: 249 > 1 Bluetooth: hci6: unexpected cc 0x1003 length: 249 > 9 Bluetooth: hci6: unexpected cc 0x1001 length: 249 > 9 Bluetooth: hci6: unexpected cc 0x0c23 length: 249 > 4 Bluetooth: hci6: unexpected cc 0x0c25 length: 249 > 3 Bluetooth: hci6: 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: hci3: command tx timeout Bluetooth: hci1: command tx timeout Bluetooth: hci6: command tx timeout Bluetooth: hci7: command tx timeout Bluetooth: hci3: command tx timeout Bluetooth: hci6: command tx timeout Bluetooth: hci7: command tx timeout Bluetooth: hci3: command tx timeout Bluetooth: hci6: command tx timeout Bluetooth: hci7: command tx timeout ---------------- Code disassembly (best guess): 0: 21 79 18 and %edi,0x18(%rcx) 3: fd std 4: 8b 74 24 18 mov 0x18(%rsp),%esi 8: 4c 89 ef mov %r13,%rdi b: 81 ce 00 01 00 00 or $0x100,%esi 11: e8 af 43 4b fd callq 0xfd4b43c5 16: 49 89 c5 mov %rax,%r13 19: 48 85 c0 test %rax,%rax 1c: 0f 84 a5 07 00 00 je 0x7c7 22: e8 fe 78 18 fd callq 0xfd187925 27: 4c 89 fa mov %r15,%rdx * 2a: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax <-- trapping instruction 31: fc ff df 34: 48 c1 ea 03 shr $0x3,%rdx 38: 80 3c 02 00 cmpb $0x0,(%rdx,%rax,1) 3c: 0f .byte 0xf 3d: 85 fd test %edi,%ebp 3f: 13 .byte 0x13