lo: entered promiscuous mode lo: entered allmulticast mode watchdog: BUG: soft lockup - CPU#1 stuck for 26s! [syz-executor.0:12561] Modules linked in: irq event stamp: 2748777 hardirqs last enabled at (2748776): [] irqentry_exit+0x3b/0x90 hardirqs last disabled at (2748777): [] sysvec_apic_timer_interrupt+0xf/0x80 softirqs last enabled at (2744412): [] handle_softirqs+0x50c/0x770 softirqs last disabled at (2744449): [] __irq_exit_rcu+0xc4/0x100 CPU: 1 UID: 0 PID: 12561 Comm: syz-executor.0 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:get_stack_info+0x4/0xa0 Code: ff 05 77 08 48 8b 04 fd 80 19 c2 84 e9 15 af 80 03 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 <41> 54 49 89 d4 55 48 89 cd 53 65 48 8b 1d 8a eb d9 7e 48 85 f6 74 RSP: 0018:ffff88806cf09080 EFLAGS: 00000246 RAX: dffffc0000000000 RBX: ffff88806cf09170 RCX: ffff88806cf090f8 RDX: ffff88806cf090d8 RSI: ffff88800ef29bc0 RDI: ffff88806cf09088 RBP: ffff88800ef29bc0 R08: 0000000000000001 R09: 0000000000000000 R10: ffff88806cf090d8 R11: 0000000000000000 R12: ffff88806cf090f8 R13: ffff88806cf09100 R14: ffff88806cf09120 R15: ffff88806cf090d8 FS: 00007f27f8d35700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffc84c66b88 CR3: 000000003e560000 CR4: 0000000000350ef0 Call Trace: __unwind_start+0x4aa/0x7c0 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_noprof+0x13d/0x3d0 __alloc_object+0x2f/0x270 __create_object+0x1d/0x80 __kmalloc_noprof+0x37e/0x4b0 cfg80211_inform_single_bss_data+0x4f1/0x1c70 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:free_frozen_page_commit+0x1e9/0xd60 Code: fc ff df 49 89 f8 01 d0 49 c1 e8 03 41 89 44 24 40 41 0f b6 34 30 40 84 f6 74 0a 40 80 fe 03 0f 8e 7a 07 00 00 45 8b 6c 24 50 <83> e9 01 44 89 6c 24 60 83 f9 02 0f 86 42 04 00 00 48 b9 00 00 00 RSP: 0018:ffff88800d34fa30 EFLAGS: 00000246 RAX: 00000000000000cb RBX: ffff88806cf415a0 RCX: 0000000000000000 RDX: 0000000000000001 RSI: 0000000000000000 RDI: ffff88806cf41590 RBP: ffff88807ffdcb80 R08: 1ffff1100d9e82b2 R09: 1ffffd4000070c92 R10: ffffffff87efdf27 R11: 0000000000000000 R12: ffff88806cf41540 R13: 000000000000003f R14: 1ffff11001a69f4e R15: ffffea0000f7ee48 free_frozen_pages+0x638/0xe40 qlist_free_all+0x50/0x160 kasan_quarantine_reduce+0x19f/0x240 __kasan_slab_alloc+0x49/0x70 kmem_cache_alloc_noprof+0x13d/0x3d0 alloc_empty_file+0x76/0x1e0 alloc_file_pseudo+0x139/0x200 anon_inode_getfile+0xb4/0x1e0 __do_sys_perf_event_open+0x1776/0x2b00 do_syscall_64+0xbf/0x1d0 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f27fb7bfb19 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:00007f27f8d35188 EFLAGS: 00000246 ORIG_RAX: 000000000000012a RAX: ffffffffffffffda RBX: 00007f27fb8d2f60 RCX: 00007f27fb7bfb19 RDX: ffffffffffffffff RSI: 0000000000000000 RDI: 0000000020000080 RBP: 00007f27fb819f6d R08: 0000000000000000 R09: 0000000000000000 R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000 R13: 00007fff45458bdf R14: 00007f27f8d35300 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), 2 bytes skipped: 0: 77 08 ja 0xa 2: 48 8b 04 fd 80 19 c2 mov -0x7b3de680(,%rdi,8),%rax 9: 84 a: e9 15 af 80 03 jmpq 0x380af24 f: 0f 1f 44 00 00 nopl 0x0(%rax,%rax,1) 14: 90 nop 15: 90 nop 16: 90 nop 17: 90 nop 18: 90 nop 19: 90 nop 1a: 90 nop 1b: 90 nop 1c: 90 nop 1d: 90 nop 1e: 90 nop 1f: 90 nop 20: 90 nop 21: 90 nop 22: 90 nop 23: 90 nop 24: 66 0f 1f 00 nopw (%rax) * 28: 41 54 push %r12 <-- trapping instruction 2a: 49 89 d4 mov %rdx,%r12 2d: 55 push %rbp 2e: 48 89 cd mov %rcx,%rbp 31: 53 push %rbx 32: 65 48 8b 1d 8a eb d9 mov %gs:0x7ed9eb8a(%rip),%rbx # 0x7ed9ebc4 39: 7e 3a: 48 85 f6 test %rsi,%rsi 3d: 74 .byte 0x74