watchdog: BUG: soft lockup - CPU#0 stuck for 23s! [syz-executor.7:7638] Modules linked in: irq event stamp: 3608205 hardirqs last enabled at (3608204): [] irqentry_exit+0x3b/0x90 hardirqs last disabled at (3608205): [] sysvec_apic_timer_interrupt+0xf/0x80 softirqs last enabled at (3599954): [] handle_softirqs+0x50c/0x770 softirqs last disabled at (3599971): [] __irq_exit_rcu+0xc4/0x100 CPU: 0 UID: 0 PID: 7638 Comm: syz-executor.7 Not tainted 6.13.0-rc1-next-20241205 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:__sanitizer_cov_trace_pc+0x8/0x80 Code: c0 e9 8c 44 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 f3 0f 1e fa 48 8b 34 24 <65> 48 8b 15 80 c4 b1 7e 65 8b 05 81 c4 b1 7e a9 00 01 ff 00 74 27 RSP: 0018:ffff88806ce09480 EFLAGS: 00000246 RAX: 0000000000000000 RBX: ffff888018b8f400 RCX: ffffffff843536e1 RDX: 1ffff1100d9c12d6 RSI: ffffffff84352ed0 RDI: ffff88806ce096b0 RBP: ffff88806ce09628 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000001 R12: ffff88806ce09628 R13: ffff88803e1e8000 R14: 0000000000000001 R15: ffff888014de4e9c FS: 00007f5a639cb700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b30e37000 CR3: 0000000007140000 CR4: 0000000000350ef0 Call Trace: cfg80211_update_known_bss+0x190/0x11e0 __cfg80211_bss_update+0xe0/0x1fe0 cfg80211_inform_single_bss_data+0x6e2/0x1c70 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:qlist_free_all+0x28/0x160 Code: 90 90 48 8b 07 48 85 c0 0f 84 41 01 00 00 41 57 41 56 41 55 49 89 fd 41 54 49 89 f4 55 53 eb 3e 48 63 95 c0 00 00 00 48 8b 18 <48> 89 ef 48 29 d0 48 89 c6 49 89 c6 e8 77 f0 ff ff 49 89 c7 66 90 RSP: 0018:ffff8880401d75a0 EFLAGS: 00000246 RAX: ffff88800e2de000 RBX: ffff88800e2de250 RCX: ffffea000038b780 RDX: 0000000000000000 RSI: ffff888008c4f780 RDI: ffffffff818477d6 RBP: ffff888008c4f780 R08: 0000000000000001 R09: fffffbfff0fde3e9 R10: ffffffff87ef1f4f R11: 0000000000000000 R12: 0000000000000000 R13: ffff8880401d75d8 R14: ffff88800dbba000 R15: ffff88800dbba000 kasan_quarantine_reduce+0x19f/0x240 __kasan_slab_alloc+0x49/0x70 kmem_cache_alloc_noprof+0x13d/0x3d0 __alloc_object+0x2f/0x270 __create_object+0x1d/0x80 kmem_cache_alloc_lru_noprof+0x303/0x3c0 proc_alloc_inode+0x27/0x210 alloc_inode+0x63/0x240 new_inode+0x1c/0x190 proc_pid_make_inode+0x21/0x170 proc_pident_instantiate+0x85/0x320 proc_pident_lookup+0x211/0x2a0 __lookup_slow+0x252/0x470 walk_component+0x345/0x5b0 link_path_walk.part.0+0x683/0xd50 path_openat+0x2e3/0x2980 do_filp_open+0x1e9/0x450 do_sys_openat2+0x164/0x1d0 __x64_sys_openat+0x143/0x200 do_syscall_64+0xbf/0x1d0 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f5a66408a04 Code: 84 00 00 00 00 00 44 89 54 24 0c e8 96 f9 ff ff 44 8b 54 24 0c 44 89 e2 48 89 ee 41 89 c0 bf 9c ff ff ff b8 01 01 00 00 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 89 44 24 0c e8 c8 f9 ff ff 8b 44 RSP: 002b:00007f5a639cb060 EFLAGS: 00000293 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 00007f5a66568f60 RCX: 00007f5a66408a04 RDX: 0000000000000002 RSI: 00007f5a639cb0f0 RDI: 00000000ffffff9c RBP: 00007f5a639cb0f0 R08: 0000000000000000 R09: 00007f5a639caf70 R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000002 R13: 00007fff8d6df32f R14: 00007f5a639cb300 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: c0 e9 8c shr $0x8c,%cl 3: 44 35 03 66 66 2e rex.R xor $0x2e666603,%eax 9: 0f 1f 84 00 00 00 00 nopl 0x0(%rax,%rax,1) 10: 00 11: 90 nop 12: 90 nop 13: 90 nop 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: f3 0f 1e fa endbr64 26: 48 8b 34 24 mov (%rsp),%rsi * 2a: 65 48 8b 15 80 c4 b1 mov %gs:0x7eb1c480(%rip),%rdx # 0x7eb1c4b2 <-- trapping instruction 31: 7e 32: 65 8b 05 81 c4 b1 7e mov %gs:0x7eb1c481(%rip),%eax # 0x7eb1c4ba 39: a9 00 01 ff 00 test $0xff0100,%eax 3e: 74 27 je 0x67