netlink: 92 bytes leftover after parsing attributes in process `syz-executor.0'. Bluetooth: hci0: command 0x0406 tx timeout Bluetooth: hci3: command 0x0406 tx timeout Bluetooth: hci5: command 0x0406 tx timeout Bluetooth: hci6: command 0x0406 tx timeout watchdog: BUG: soft lockup - CPU#0 stuck for 22s! [syz-executor.0:5818] Modules linked in: irq event stamp: 2496713 hardirqs last enabled at (2496712): [] irqentry_exit+0x3b/0x90 hardirqs last disabled at (2496713): [] sysvec_apic_timer_interrupt+0xf/0x80 softirqs last enabled at (2481458): [] handle_softirqs+0x50c/0x770 softirqs last disabled at (2481461): [] __irq_exit_rcu+0xc4/0x100 CPU: 0 UID: 0 PID: 5818 Comm: syz-executor.0 Not tainted 6.12.0-rc7-next-20241115 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:__kasan_record_aux_stack+0x46/0xa0 Code: 03 4c 8b 60 08 48 89 c7 48 c1 f9 06 48 89 d8 48 c1 e1 0c 48 03 0d ba d8 f1 03 41 8b 74 24 18 48 29 c8 48 99 49 89 f0 48 f7 fe <0f> b7 77 2a 81 e6 ff 7f 00 00 4c 89 e7 83 ee 01 41 0f af f0 48 01 RSP: 0018:ffff88806ce09398 EFLAGS: 00000212 RAX: 0000000000000008 RBX: ffff888015c5e9c0 RCX: ffff888015c5e000 RDX: 0000000000000080 RSI: 0000000000000128 RDI: ffffea0000571780 RBP: 0000000000000000 R08: 0000000000000128 R09: ffff88803f60c138 R10: 0000000000000000 R11: 00000000000c3893 R12: ffff888008c4f780 R13: 0000000000000000 R14: ffffea0000fc8800 R15: ffff88803f224000 FS: 00007f04ac3f1700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055c7abb4a618 CR3: 000000003dbfc000 CR4: 0000000000350ef0 Call Trace: __call_rcu_common.constprop.0+0x6a/0xaa0 kfree+0x28e/0x480 ieee80211_inform_bss+0x7f6/0x10b0 cfg80211_inform_single_bss_data+0x7fe/0x1c50 cfg80211_inform_bss_data+0x20f/0x3510 cfg80211_inform_bss_frame_data+0x250/0x690 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:unwind_next_frame+0x56f/0x2490 Code: 88 47 41 44 0f b6 71 04 41 83 e6 0f 41 80 fe 06 0f 84 8c 09 00 00 0f 87 6a 02 00 00 41 80 fe 04 0f 84 cc 0b 00 00 41 80 fe 05 <0f> 85 1a 01 00 00 48 b8 00 00 00 00 00 fc ff df 4c 89 ea 48 c1 ea RSP: 0018:ffff88803ef9ee88 EFLAGS: 00000246 RAX: 0000000000000000 RBX: 0000000000000001 RCX: ffffffff86b11614 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000001 RBP: ffff88803ef9ef50 R08: ffffffff86b11618 R09: ffff88803ef9ef38 R10: 000000000003c001 R11: 000000000009c782 R12: ffff88803ef9ef58 R13: ffff88803ef9ef40 R14: 0000000000000005 R15: ffff88803ef9eef8 arch_stack_walk+0x87/0xf0 stack_trace_save+0x8f/0xc0 kasan_save_stack+0x24/0x50 __kasan_record_aux_stack+0x8c/0xa0 __call_rcu_common.constprop.0+0x6a/0xaa0 kfree+0x28e/0x480 __free_slab+0x10d/0x130 qlist_free_all+0x50/0x160 kasan_quarantine_reduce+0x19f/0x240 __kasan_slab_alloc+0x49/0x70 kmem_cache_alloc_node_noprof+0x14c/0x3e0 __alloc_skb+0x2ad/0x370 nl80211_get_protocol_features+0x80/0x350 genl_family_rcv_msg_doit+0x1ff/0x2f0 genl_rcv_msg+0x534/0x7e0 netlink_rcv_skb+0x15d/0x450 genl_rcv+0x28/0x40 netlink_unicast+0x547/0x800 netlink_sendmsg+0x8a2/0xd80 ____sys_sendmsg+0xac5/0xc80 ___sys_sendmsg+0x110/0x1b0 __sys_sendmsg+0x151/0x200 do_syscall_64+0xbf/0x1d0 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f04aee7bb19 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:00007f04ac3f1188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f04aef8ef60 RCX: 00007f04aee7bb19 RDX: 0000000020000000 RSI: 00000000200000c0 RDI: 0000000000000003 RBP: 00007f04aeed5f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fff1e4978df R14: 00007f04ac3f1300 R15: 0000000000022000 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 UID: 0 PID: 0 Comm: swapper/1 Not tainted 6.12.0-rc7-next-20241115 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:lock_unpin_lock+0x1ea/0x3a0 Code: 85 38 0a 00 00 85 c0 7f 27 e9 e0 00 00 00 41 0f b6 04 24 41 83 c7 01 84 c0 74 08 3c 03 0f 8e 59 01 00 00 44 3b bd 38 0a 00 00 <0f> 8d be 00 00 00 49 63 c7 48 89 de 48 8d 04 80 4d 8d 74 c5 00 4c RSP: 0018:ffff88806cf09be0 EFLAGS: 00000097 RAX: 0000000000000000 RBX: ffff88806ce3b998 RCX: 0000000000000000 RDX: 1ffff110012c2b97 RSI: ffff88806ce3b998 RDI: ffff888009615cc0 RBP: ffff888009615280 R08: 0000000000000000 R09: 0000000000000001 R10: ffff888009466607 R11: 00000000fa83b2da R12: ffffed10012c2b97 R13: ffff888009615cc0 R14: ffff888009615cc0 R15: 0000000000000001 FS: 0000000000000000(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055c7abb94ba0 CR3: 000000000dcee000 CR4: 0000000000350ef0 Call Trace: sched_balance_rq+0xe94/0x2930 sched_balance_domains+0x673/0xc20 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:default_idle+0x1e/0x30 Code: 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 0f 1f 44 00 00 eb 0c 0f 1f 44 00 00 0f 00 2d 29 d0 3d 00 0f 1f 44 00 00 fb f4 e9 7c 2e 02 00 66 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 RSP: 0018:ffff8880096cfe68 EFLAGS: 00000206 RAX: 00000000000bb933 RBX: 0000000000000001 RCX: ffffffff8484aaf7 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff812b0fca RBP: dffffc0000000000 R08: 0000000000000001 R09: ffffed100d9e6cba R10: ffff88806cf365d3 R11: 0000000000000000 R12: ffffffff863fa390 R13: 1ffff110012d9fd2 R14: 0000000000000000 R15: 0000000000000000 default_idle_call+0x6d/0xb0 do_idle+0x2fa/0x3b0 cpu_startup_entry+0x4f/0x60 start_secondary+0x1c1/0x220 common_startup_64+0x12c/0x138 ---------------- Code disassembly (best guess), 1 bytes skipped: 0: 4c 8b 60 08 mov 0x8(%rax),%r12 4: 48 89 c7 mov %rax,%rdi 7: 48 c1 f9 06 sar $0x6,%rcx b: 48 89 d8 mov %rbx,%rax e: 48 c1 e1 0c shl $0xc,%rcx 12: 48 03 0d ba d8 f1 03 add 0x3f1d8ba(%rip),%rcx # 0x3f1d8d3 19: 41 8b 74 24 18 mov 0x18(%r12),%esi 1e: 48 29 c8 sub %rcx,%rax 21: 48 99 cqto 23: 49 89 f0 mov %rsi,%r8 26: 48 f7 fe idiv %rsi * 29: 0f b7 77 2a movzwl 0x2a(%rdi),%esi <-- trapping instruction 2d: 81 e6 ff 7f 00 00 and $0x7fff,%esi 33: 4c 89 e7 mov %r12,%rdi 36: 83 ee 01 sub $0x1,%esi 39: 41 0f af f0 imul %r8d,%esi 3d: 48 rex.W 3e: 01 .byte 0x1