hrtimer: interrupt took 35978 ns watchdog: BUG: soft lockup - CPU#0 stuck for 22s! [syz-executor.0:7769] Modules linked in: irq event stamp: 2400065 hardirqs last enabled at (2400064): [] irqentry_exit+0x3b/0x90 hardirqs last disabled at (2400065): [] sysvec_apic_timer_interrupt+0xf/0x80 softirqs last enabled at (2397472): [] handle_softirqs+0x50c/0x770 softirqs last disabled at (2397477): [] __irq_exit_rcu+0xc4/0x100 CPU: 0 UID: 0 PID: 7769 Comm: syz-executor.0 Not tainted 6.13.0-rc2-next-20241216 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:__sanitizer_cov_trace_switch+0x40/0x90 Code: 48 83 f8 20 74 6b 77 48 48 83 f8 08 74 5b 48 83 f8 10 75 2f 41 bd 03 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 RSP: 0018:ffff88806ce09118 EFLAGS: 00000206 RAX: 0000000000000000 RBX: 0000000000000022 RCX: ffffffff8481b738 RDX: ffff88804088b780 RSI: 00000000000000c4 RDI: 0000000000000001 RBP: ffffffff852a6b00 R08: 0000000000000000 R09: ffffed100d9c1242 R10: 0000000000000003 R11: 0000000000000003 R12: 0000000000000003 R13: 0000000000000001 R14: 000000000000002b R15: dffffc0000000000 FS: 00007fd8eb55f700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffc4ac9cf48 CR3: 000000000f49e000 CR4: 0000000000350ef0 Call Trace: _ieee802_11_parse_elems_full+0x2f8/0x3ec0 ieee802_11_parse_elems_full+0x979/0x15a0 ieee80211_inform_bss+0xf4/0x10b0 cfg80211_inform_single_bss_data+0x801/0x1c70 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: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 04 ac ab ff 4d 85 ed 74 06 e8 aa 75 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:ffff8880138d77d0 EFLAGS: 00000246 RAX: 0000000000249523 RBX: ffffea0000f57c00 RCX: 1ffffffff0fe050a RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff81a48ae6 RBP: ffff888008c4f780 R08: 0000000000000001 R09: fffffbfff0fde3e1 R10: ffffffff87ef1f0f R11: 0000000000000000 R12: ffff88806ce40390 R13: 0000000000000200 R14: 0000000000000000 R15: ffff88803d5f0000 qlist_free_all+0x50/0x160 kasan_quarantine_reduce+0x19f/0x240 __kasan_slab_alloc+0x49/0x70 __kmalloc_node_noprof+0x191/0x4a0 alloc_slab_obj_exts+0x35/0x90 new_slab+0xff/0x2e0 ___slab_alloc+0x89c/0x11d0 kmem_cache_alloc_noprof+0x228/0x3d0 alloc_empty_file+0x76/0x1e0 path_openat+0xe1/0x2990 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: 0033:0x7fd8edfe9b19 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:00007fd8eb55f188 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 00007fd8ee0fcf60 RCX: 00007fd8edfe9b19 RDX: 00000000000026e1 RSI: 0000000020000040 RDI: ffffffffffffff9c RBP: 00007fd8ee043f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffd62a660bf R14: 00007fd8eb55f300 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: 48 83 f8 20 cmp $0x20,%rax 4: 74 6b je 0x71 6: 77 48 ja 0x50 8: 48 83 f8 08 cmp $0x8,%rax c: 74 5b je 0x69 e: 48 83 f8 10 cmp $0x10,%rax 12: 75 2f jne 0x43 14: 41 bd 03 00 00 00 mov $0x3,%r13d 1a: 4c 8b 75 00 mov 0x0(%rbp),%r14 1e: 31 db xor %ebx,%ebx 20: 4d 85 f6 test %r14,%r14 23: 74 1e je 0x43 25: 48 8b 74 dd 10 mov 0x10(%rbp,%rbx,8),%rsi * 2a: 48 8b 4c 24 28 mov 0x28(%rsp),%rcx <-- trapping instruction 2f: 4c 89 e2 mov %r12,%rdx 32: 4c 89 ef mov %r13,%rdi 35: 48 83 c3 01 add $0x1,%rbx 39: e8 7c fd ff ff callq 0xfffffdba 3e: 49 rex.WB 3f: 39 .byte 0x39