loop1: detected capacity change from 0 to 39 watchdog: BUG: soft lockup - CPU#1 stuck for 26s! [syz-executor.3:9986] Modules linked in: irq event stamp: 4024793 hardirqs last enabled at (4024792): [<ffffffff8482356b>] irqentry_exit+0x3b/0x90 hardirqs last disabled at (4024793): [<ffffffff84821f2f>] sysvec_apic_timer_interrupt+0xf/0x80 softirqs last enabled at (4019190): [<ffffffff811a7dec>] handle_softirqs+0x50c/0x770 softirqs last disabled at (4019199): [<ffffffff811a87f4>] irq_exit_rcu+0x94/0xc0 CPU: 1 UID: 0 PID: 9986 Comm: syz-executor.3 Not tainted 6.12.0-rc3-next-20241016 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:unwind_next_frame+0x2ba/0x2490 Code: 8d bc 3f f0 c3 75 86 48 81 ff ec e7 c1 86 0f 87 a6 13 00 00 44 29 da 48 8d 3c 85 48 01 43 86 4c 89 c6 e8 89 f3 ff ff 48 89 c1 <e9> c2 03 00 00 80 3d 04 d9 27 05 00 4d 8d 4f 40 75 3a 48 89 ea c6 RSP: 0018:ffff88806cf08fc8 EFLAGS: 00000286 RAX: ffffffff86ba899a RBX: 0000000000000002 RCX: ffffffff86ba899a RDX: 0000000000000000 RSI: ffffffff86ba899a RDI: ffffffff8670da64 RBP: ffff88806cf09090 R08: ffffffff86ba899a R09: ffff88806cf09078 R10: 000000000003c001 R11: 00000000000b7647 R12: ffff88806cf09098 R13: ffff88806cf09080 R14: ffff88806cf09079 R15: ffff88806cf09038 FS: 00007fa81cab8700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020004c00 CR3: 0000000015006000 CR4: 0000000000350ef0 Call Trace: <IRQ> 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 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+0x21ec/0x2cf0 ieee80211_rx_napi+0xdc/0x3b0 ieee80211_handle_queued_frames+0xd9/0x130 tasklet_action_common+0x235/0x3b0 handle_softirqs+0x1b1/0x770 irq_exit_rcu+0x94/0xc0 sysvec_apic_timer_interrupt+0x70/0x80 </IRQ> <TASK> asm_sysvec_apic_timer_interrupt+0x1a/0x20 RIP: 0010:qlist_free_all+0x96/0x160 Code: 0f 82 e0 00 00 00 48 c7 c2 00 00 00 80 48 2b 15 f8 ed f1 03 48 01 ca 48 c1 ea 0c 48 c1 e2 06 48 03 15 d6 ed f1 03 48 8b 72 08 <48> 89 d1 40 f6 c6 01 0f 85 a1 00 00 00 66 90 80 79 33 f5 ba 00 00 RSP: 0018:ffff88803a6a7830 EFLAGS: 00000286 RAX: ffff88803eba8d00 RBX: ffff88803eba8d00 RCX: ffff8880beba8d00 RDX: ffffea0000faea00 RSI: ffff888008c41280 RDI: 0000000000080000 RBP: 0000000000000000 R08: ffff888009b4bd00 R09: 000000000020001d R10: ffffea000026d200 R11: 00000000000007e0 R12: 0000000000000000 R13: ffff88803a6a7868 R14: ffff888009b4bd00 R15: ffff888009b4bd00 kasan_quarantine_reduce+0x19c/0x230 __kasan_slab_alloc+0x49/0x70 __kmalloc_cache_noprof+0x149/0x3e0 copy_net_ns+0x16c/0x6f0 create_new_namespaces+0x3f6/0xaf0 copy_namespaces+0x45c/0x580 copy_process+0x2704/0x8e00 kernel_clone+0xeb/0x850 __do_sys_clone3+0x1d5/0x250 do_syscall_64+0xbf/0x1d0 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fa81f542b19 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:00007fa81cab8188 EFLAGS: 00000246 ORIG_RAX: 00000000000001b3 RAX: ffffffffffffffda RBX: 00007fa81f655f60 RCX: 00007fa81f542b19 RDX: 0000000000000000 RSI: 0000000000000058 RDI: 0000000020004c00 RBP: 00007fa81f59cf6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffff8d1671f R14: 00007fa81cab8300 R15: 0000000000022000 </TASK> Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 skipped: idling at default_idle+0x1e/0x30 ---------------- Code disassembly (best guess): 0: 8d bc 3f f0 c3 75 86 lea -0x798a3c10(%rdi,%rdi,1),%edi 7: 48 81 ff ec e7 c1 86 cmp $0xffffffff86c1e7ec,%rdi e: 0f 87 a6 13 00 00 ja 0x13ba 14: 44 29 da sub %r11d,%edx 17: 48 8d 3c 85 48 01 43 lea -0x79bcfeb8(,%rax,4),%rdi 1e: 86 1f: 4c 89 c6 mov %r8,%rsi 22: e8 89 f3 ff ff callq 0xfffff3b0 27: 48 89 c1 mov %rax,%rcx * 2a: e9 c2 03 00 00 jmpq 0x3f1 <-- trapping instruction 2f: 80 3d 04 d9 27 05 00 cmpb $0x0,0x527d904(%rip) # 0x527d93a 36: 4d 8d 4f 40 lea 0x40(%r15),%r9 3a: 75 3a jne 0x76 3c: 48 89 ea mov %rbp,%rdx 3f: c6 .byte 0xc6