watchdog: BUG: soft lockup - CPU#1 stuck for 26s! [syz-executor.7:7113] Modules linked in: irq event stamp: 2660743 hardirqs last enabled at (2660742): [] irqentry_exit+0x3b/0x90 hardirqs last disabled at (2660743): [] sysvec_apic_timer_interrupt+0xf/0x80 softirqs last enabled at (2645948): [] handle_softirqs+0x50c/0x770 softirqs last disabled at (2645951): [] __irq_exit_rcu+0xc4/0x100 CPU: 1 UID: 0 PID: 7113 Comm: syz-executor.7 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:kernel_text_address+0x13/0xc0 Code: bb 66 0f 1f 44 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 66 0f 1f 00 55 48 89 fd 48 83 ec 08 e8 3f ff ff ff 85 c0 <74> 0f b8 01 00 00 00 48 83 c4 08 5d e9 8c cd 64 03 e8 e7 32 17 00 RSP: 0018:ffff88806cf09008 EFLAGS: 00000202 RAX: 0000000000000001 RBX: ffffffff8123411c RCX: 0000000000000001 RDX: 1ffff1100d9e1214 RSI: ffff8880156179a8 RDI: ffffffff8123411c RBP: ffffffff8123411c R08: 0000000000000001 R09: ffff88806cf09088 R10: 000000000003c001 R11: 000000000000a65e R12: ffff88806cf09110 R13: 0000000000000000 R14: ffff88801df13700 R15: ffff88803270c800 FS: 00007faf93303700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007faf932e1ff8 CR3: 000000000a21c000 CR4: 0000000000350ef0 Call Trace: __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_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+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:__slab_free+0x194/0x310 Code: 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d e9 83 f8 ff ff 44 89 f0 4d 89 ee 4d 89 dd 45 89 d3 4c 8b 14 24 4d 85 ed 75 04 66 90 3b 4d 85 f6 74 04 84 c0 74 0b 66 85 db 0f 84 9c 00 00 00 66 90 RSP: 0018:ffff8880156174e0 EFLAGS: 00000246 RAX: 0000000000000000 RBX: 0000000000150014 RCX: 0000000000150014 RDX: 0000000000150015 RSI: ffffea00004ed400 RDI: 0000000000080000 RBP: ffff888015617580 R08: ffff888013b52400 R09: 0000000000150014 R10: ffffea00004ed401 R11: 0000000000000000 R12: ffffea00004ed400 R13: 0000000000000000 R14: 0000000000000000 R15: ffff88800969f500 qlist_free_all+0x50/0x160 kasan_quarantine_reduce+0x19f/0x240 __kasan_kmalloc+0x6f/0x90 __kmalloc_noprof+0x1f7/0x4b0 __netlink_kernel_create+0x17e/0x7c0 audit_net_init+0x1af/0x440 ops_init+0x1e1/0x650 setup_net+0x1d7/0x7a0 copy_net_ns+0x2e3/0x6f0 create_new_namespaces+0x3f6/0xaf0 copy_namespaces+0x45c/0x580 copy_process+0x2704/0x8e90 kernel_clone+0xeb/0x850 __do_sys_clone3+0x1d9/0x260 do_syscall_64+0xbf/0x1d0 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7faf95d8db19 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:00007faf93303188 EFLAGS: 00000246 ORIG_RAX: 00000000000001b3 RAX: ffffffffffffffda RBX: 00007faf95ea0f60 RCX: 00007faf95d8db19 RDX: 0000000000000000 RSI: 0000000000000058 RDI: 0000000020004c00 RBP: 00007faf95de7f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffc715cdfaf R14: 00007faf93303300 R15: 0000000000022000 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: bb 66 0f 1f 44 mov $0x441f0f66,%ebx 5: 00 00 add %al,(%rax) 7: 90 nop 8: 90 nop 9: 90 nop a: 90 nop b: 90 nop c: 90 nop d: 90 nop e: 90 nop f: 90 nop 10: 90 nop 11: 90 nop 12: 90 nop 13: 90 nop 14: 90 nop 15: 90 nop 16: 90 nop 17: 66 0f 1f 00 nopw (%rax) 1b: 55 push %rbp 1c: 48 89 fd mov %rdi,%rbp 1f: 48 83 ec 08 sub $0x8,%rsp 23: e8 3f ff ff ff callq 0xffffff67 28: 85 c0 test %eax,%eax * 2a: 74 0f je 0x3b <-- trapping instruction 2c: b8 01 00 00 00 mov $0x1,%eax 31: 48 83 c4 08 add $0x8,%rsp 35: 5d pop %rbp 36: e9 8c cd 64 03 jmpq 0x364cdc7 3b: e8 e7 32 17 00 callq 0x173327