lo: entered promiscuous mode lo: entered allmulticast mode watchdog: BUG: soft lockup - CPU#0 stuck for 26s! [syz-executor.3:8149] Modules linked in: irq event stamp: 2317657 hardirqs last enabled at (2317656): [] _raw_spin_unlock_irqrestore+0x2c/0x50 hardirqs last disabled at (2317657): [] sysvec_apic_timer_interrupt+0xf/0x80 softirqs last enabled at (2306180): [] handle_softirqs+0x50c/0x770 softirqs last disabled at (2306205): [] __irq_exit_rcu+0xc4/0x100 CPU: 0 UID: 0 PID: 8149 Comm: syz-executor.3 Not tainted 6.12.0-next-20241122 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:__unwind_start+0x1b/0x7c0 Code: 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 41 57 49 89 ff 41 56 41 55 4d 8d 6f 28 41 54 49 89 d4 ba 70 00 00 00 <55> 48 89 f5 31 f6 53 48 89 cb 48 83 ec 18 e8 d2 3b 77 00 4c 89 ea RSP: 0018:ffff88806ce09650 EFLAGS: 00000246 RAX: ffff8880414b5280 RBX: ffffffff813f2420 RCX: ffff88806ce09710 RDX: 0000000000000070 RSI: ffff8880414b5280 RDI: ffff88806ce09678 RBP: ffff88806ce09710 R08: ffff888042cb7900 R09: 0000000000000000 R10: ffff888042cb7b80 R11: 00000000ffffffff R12: 0000000000000000 R13: ffff88806ce096a0 R14: ffff8880414b5280 R15: ffff88806ce09678 FS: 00007f9d07148700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007feacdc96ae0 CR3: 000000000d8f8000 CR4: 0000000000350ef0 Call Trace: 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_node_noprof+0x14c/0x3e0 kmalloc_reserve+0x189/0x2b0 __alloc_skb+0x162/0x370 __netdev_alloc_skb+0x7a/0x7c0 __ieee80211_beacon_get+0x3f4/0xfc0 ieee80211_beacon_get_tim+0xa6/0x280 mac80211_hwsim_beacon_tx+0x49b/0x950 __iterate_interfaces+0x2e0/0x650 ieee80211_iterate_active_interfaces_atomic+0x71/0x1b0 mac80211_hwsim_beacon+0x105/0x200 __hrtimer_run_queues+0x1ab/0xa70 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:put_cpu_partial+0x10a/0x1b0 Code: 24 28 75 5b 49 c7 44 24 28 00 00 00 00 4c 89 e7 48 8d 35 00 00 00 00 e8 e4 92 ab ff 4d 85 ed 74 06 e8 6a 5f d5 ff fb 4d 85 f6 <74> 1c 5b 4c 89 f6 48 89 ef 5d 41 5c 41 5d 41 5e e9 c1 fa ff ff 44 RSP: 0018:ffff88803f8b7990 EFLAGS: 00000246 RAX: 000000000023309b RBX: ffffea000036e940 RCX: 1ffffffff0fdfecf RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff8184a5e6 RBP: ffff888008c4f780 R08: 0000000000000001 R09: fffffbfff0fdddf1 R10: ffffffff87eeef8f R11: 00000000000007e0 R12: ffff88806ce40350 R13: 0000000000000200 R14: 0000000000000000 R15: ffff88800dba5000 qlist_free_all+0x50/0x160 kasan_quarantine_reduce+0x19f/0x240 __kasan_slab_alloc+0x49/0x70 kmem_cache_alloc_noprof+0x13d/0x3d0 vm_area_dup+0x20/0x160 copy_process+0x78e3/0x8e90 kernel_clone+0xeb/0x850 __do_sys_fork+0x80/0xc0 do_syscall_64+0xbf/0x1d0 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f9d09bd2b19 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:00007f9d07148188 EFLAGS: 00000246 ORIG_RAX: 0000000000000039 RAX: ffffffffffffffda RBX: 00007f9d09ce5f60 RCX: 00007f9d09bd2b19 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00007f9d09c2cf6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffc1b52f49f R14: 00007f9d07148300 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-next-20241122 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:__sanitizer_cov_trace_pc+0x0/0x80 Code: 7e 60 e8 a3 ff ff ff 31 c0 e9 1c 07 35 03 66 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 0f 1e fa 48 8b 34 24 65 48 8b 15 90 a4 b1 7e 65 8b 05 91 a4 b1 RSP: 0018:ffff88806cf09490 EFLAGS: 00000246 RAX: 0000000000000000 RBX: ffff888042d6d886 RCX: ffffffff843512d0 RDX: ffff88800961d280 RSI: 0000000000000003 RDI: 0000000000000000 RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000003 R11: ffffffff81520d87 R12: ffff888042d6d887 R13: 0000000000000001 R14: 0000000000000001 R15: 0000000000000003 FS: 0000000000000000(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000056451204e618 CR3: 000000000d2d4000 CR4: 0000000000350ef0 Call Trace: cfg80211_find_elem_match+0x10e/0x1e0 cfg80211_get_ies_channel_number+0xba/0x540 cfg80211_inform_single_bss_data+0xb4d/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: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 e9 b0 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: 00000202 RAX: 00000000002bc1cb RBX: 0000000000000001 RCX: ffffffff8484caf7 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff812b10ea RBP: dffffc0000000000 R08: 0000000000000001 R09: ffffed100d9e6cba R10: ffff88806cf365d3 R11: 0000000000000000 R12: ffffffff863f9410 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): 0: 90 nop 1: 90 nop 2: 90 nop 3: 90 nop 4: 90 nop 5: 90 nop 6: 90 nop 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: f3 0f 1e fa endbr64 13: 41 57 push %r15 15: 49 89 ff mov %rdi,%r15 18: 41 56 push %r14 1a: 41 55 push %r13 1c: 4d 8d 6f 28 lea 0x28(%r15),%r13 20: 41 54 push %r12 22: 49 89 d4 mov %rdx,%r12 25: ba 70 00 00 00 mov $0x70,%edx * 2a: 55 push %rbp <-- trapping instruction 2b: 48 89 f5 mov %rsi,%rbp 2e: 31 f6 xor %esi,%esi 30: 53 push %rbx 31: 48 89 cb mov %rcx,%rbx 34: 48 83 ec 18 sub $0x18,%rsp 38: e8 d2 3b 77 00 callq 0x773c0f 3d: 4c 89 ea mov %r13,%rdx