watchdog: BUG: soft lockup - CPU#0 stuck for 23s! [syz-executor.6:17165] Modules linked in: irq event stamp: 2461691 hardirqs last enabled at (2461690): [] irqentry_exit+0x3b/0x90 hardirqs last disabled at (2461691): [] sysvec_apic_timer_interrupt+0xf/0x80 softirqs last enabled at (2436486): [] handle_softirqs+0x50c/0x770 softirqs last disabled at (2436491): [] irq_exit_rcu+0x94/0xc0 CPU: 0 UID: 0 PID: 17165 Comm: syz-executor.6 Not tainted 6.12.0-rc5-next-20241104 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:srso_safe_ret+0x0/0x20 Code: cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc 48 b8 <48> 8d 64 24 08 c3 cc cc 0f ae e8 e8 f0 ff ff ff 0f 0b 66 66 2e 0f RSP: 0018:ffff88806ce09478 EFLAGS: 00000246 RAX: ffff888009d884da RBX: ffff888009d88470 RCX: 000000006c604830 RDX: 0000000000000004 RSI: ffff88803ff274b8 RDI: ffff888009d884da RBP: ffff888041762800 R08: 000000006c604830 R09: ffffed10013b109b R10: ffff888009d884dd R11: 00000000000c33ea R12: ffff88806ce09b80 R13: 0000000000000004 R14: 000000000000000c R15: ffff888009d884d2 FS: 00007f769e75e700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b33222000 CR3: 00000000161ba000 CR4: 0000000000350ef0 Call Trace: srso_return_thunk+0x5/0x5f ieee80211_inform_bss+0xb87/0x10b0 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+0x94/0xc0 sysvec_apic_timer_interrupt+0x70/0x80 asm_sysvec_apic_timer_interrupt+0x1a/0x20 RIP: 0010:__sanitizer_cov_trace_pc+0x60/0x80 Code: 8b 82 ec 14 00 00 85 c0 75 05 e9 4b ff 33 03 8b 82 c8 14 00 00 83 f8 02 75 f0 48 8b 8a d0 14 00 00 8b 92 cc 14 00 00 48 8b 01 <48> 83 c0 01 48 39 c2 76 d7 48 89 01 48 89 34 c1 e9 1b ff 33 03 66 RSP: 0018:ffff88804088fc98 EFLAGS: 00000246 RAX: 000000000000023b RBX: 0000000080000000 RCX: ffffc9000da3c000 RDX: 0000000000040000 RSI: ffffffff8115d84a RDI: ffff88800c5a99c0 RBP: ffff88800c5a99c0 R08: 0000000000000001 R09: fffffbfff0fdc5e9 R10: ffffffff87ee2f4f R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: ffffea0000356040 R15: ffff88800d581000 __virt_addr_valid+0x1a/0x5d0 kasan_addr_to_slab+0xd/0xa0 __kasan_record_aux_stack+0xe/0xa0 __call_rcu_common.constprop.0+0x6a/0xaa0 kfree+0x28e/0x480 __free_slab+0x10d/0x130 qlist_free_all+0x50/0x160 kasan_quarantine_reduce+0x19f/0x240 __kasan_slab_alloc+0x49/0x70 __kmalloc_cache_noprof+0x149/0x3e0 fscontext_alloc_log+0x4a/0x1b0 __x64_sys_fsopen+0x157/0x240 do_syscall_64+0xbf/0x1d0 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f76a11e8b19 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:00007f769e75e188 EFLAGS: 00000246 ORIG_RAX: 00000000000001ae RAX: ffffffffffffffda RBX: 00007f76a12fbf60 RCX: 00007f76a11e8b19 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000080 RBP: 00007f76a1242f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffe72cf079f R14: 00007f769e75e300 R15: 0000000000022000 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 skipped: idling at default_idle+0x1e/0x30 ---------------- Code disassembly (best guess): 0: 8b 82 ec 14 00 00 mov 0x14ec(%rdx),%eax 6: 85 c0 test %eax,%eax 8: 75 05 jne 0xf a: e9 4b ff 33 03 jmpq 0x333ff5a f: 8b 82 c8 14 00 00 mov 0x14c8(%rdx),%eax 15: 83 f8 02 cmp $0x2,%eax 18: 75 f0 jne 0xa 1a: 48 8b 8a d0 14 00 00 mov 0x14d0(%rdx),%rcx 21: 8b 92 cc 14 00 00 mov 0x14cc(%rdx),%edx 27: 48 8b 01 mov (%rcx),%rax * 2a: 48 83 c0 01 add $0x1,%rax <-- trapping instruction 2e: 48 39 c2 cmp %rax,%rdx 31: 76 d7 jbe 0xa 33: 48 89 01 mov %rax,(%rcx) 36: 48 89 34 c1 mov %rsi,(%rcx,%rax,8) 3a: e9 1b ff 33 03 jmpq 0x333ff5a 3f: 66 data16