watchdog: BUG: soft lockup - CPU#1 stuck for 23s! [syz-executor.5:5145] Modules linked in: irq event stamp: 2711943 hardirqs last enabled at (2711942): [<ffffffff8482356b>] irqentry_exit+0x3b/0x90 hardirqs last disabled at (2711943): [<ffffffff84821f2f>] sysvec_apic_timer_interrupt+0xf/0x80 softirqs last enabled at (2703890): [<ffffffff811a7dec>] handle_softirqs+0x50c/0x770 softirqs last disabled at (2703899): [<ffffffff811a87f4>] irq_exit_rcu+0x94/0xc0 CPU: 1 UID: 0 PID: 5145 Comm: syz-executor.5 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:__sanitizer_cov_trace_switch+0x57/0x90 Code: 00 00 00 4c 8b 75 00 31 db 4d 85 f6 74 1e 48 8b 74 dd 10 48 8b 4c 24 28 4c 89 e2 4c 89 ef 48 83 c3 01 e8 7c fd ff ff 49 39 de <75> e2 5b 5d 41 5c 41 5d 41 5e e9 ca f0 32 03 41 bd 07 00 00 00 48 RSP: 0018:ffff88806cf090f0 EFLAGS: 00000212 RAX: 0000000000000000 RBX: 0000000000000012 RCX: ffffffff845e4ae5 RDX: ffff88803d26b700 RSI: 0000000000000075 RDI: 0000000000000001 RBP: ffffffff85297de0 R08: 0000000000000001 R09: ffffed100d9e123d R10: 0000000000000001 R11: 00000000000c2f81 R12: 0000000000000001 R13: 0000000000000001 R14: 0000000000000020 R15: dffffc0000000000 FS: 00007ff7254a8700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2d122000 CR3: 000000003abe8000 CR4: 0000000000350ef0 Call Trace: <IRQ> _ieee802_11_parse_elems_full+0x295/0x3ec0 ieee802_11_parse_elems_full+0x979/0x15a0 ieee80211_inform_bss+0xf7/0x10b0 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:__slab_free+0x7f/0x310 Code: c1 e8 1f 4d 85 ed 66 89 5c 24 58 41 89 c6 41 0f 94 c2 66 85 db 74 05 45 84 d2 74 05 45 84 f6 74 42 41 8b 7f 08 4c 8b 4c 24 58 <4c> 89 ea 4c 89 e6 4c 8b 44 24 20 e8 c1 a0 ff ff 84 c0 74 9d 4c 89 RSP: 0018:ffff88800f757b90 EFLAGS: 00000246 RAX: 0000000000000000 RBX: 00000000000d000c RCX: 00000000000d000d RDX: ffff88803c489a68 RSI: ffffea0000f12240 RDI: 0000000000089800 RBP: ffff88800f757c30 R08: 0000000000000001 R09: 00000000000d000c R10: ffffea0000f12201 R11: 00000000000007e0 R12: ffffea0000f12240 R13: 0000000000000000 R14: 0000000000000000 R15: ffff888008c4f780 qlist_free_all+0x50/0x160 kasan_quarantine_reduce+0x19c/0x230 __kasan_slab_alloc+0x49/0x70 kmem_cache_alloc_lru_noprof+0x14c/0x3c0 __d_alloc+0x31/0x990 d_alloc_pseudo+0x1d/0xc0 alloc_file_pseudo+0xcc/0x200 hugetlb_file_setup+0x28a/0x5a0 ksys_mmap_pgoff+0x152/0x520 __x64_sys_mmap+0x127/0x190 do_syscall_64+0xbf/0x1d0 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7ff727f32b19 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:00007ff7254a8188 EFLAGS: 00000246 ORIG_RAX: 0000000000000009 RAX: ffffffffffffffda RBX: 00007ff728045f60 RCX: 00007ff727f32b19 RDX: 0000000000000000 RSI: 0000000000003000 RDI: 0000000020000000 RBP: 00007ff727f8cf6d R08: ffffffffffffffff R09: 0000000000000000 R10: 0000000000044031 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffdfc4e8e5f R14: 00007ff7254a8300 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: 00 00 add %al,(%rax) 2: 00 4c 8b 75 add %cl,0x75(%rbx,%rcx,4) 6: 00 31 add %dh,(%rcx) 8: db 4d 85 fisttpl -0x7b(%rbp) b: f6 74 1e 48 divb 0x48(%rsi,%rbx,1) f: 8b 74 dd 10 mov 0x10(%rbp,%rbx,8),%esi 13: 48 8b 4c 24 28 mov 0x28(%rsp),%rcx 18: 4c 89 e2 mov %r12,%rdx 1b: 4c 89 ef mov %r13,%rdi 1e: 48 83 c3 01 add $0x1,%rbx 22: e8 7c fd ff ff callq 0xfffffda3 27: 49 39 de cmp %rbx,%r14 * 2a: 75 e2 jne 0xe <-- trapping instruction 2c: 5b pop %rbx 2d: 5d pop %rbp 2e: 41 5c pop %r12 30: 41 5d pop %r13 32: 41 5e pop %r14 34: e9 ca f0 32 03 jmpq 0x332f103 39: 41 bd 07 00 00 00 mov $0x7,%r13d 3f: 48 rex.W