watchdog: BUG: soft lockup - CPU#0 stuck for 22s! [syz-executor.2:8911] Modules linked in: irq event stamp: 2081477 hardirqs last enabled at (2081476): [] irqentry_exit+0x3b/0x90 hardirqs last disabled at (2081477): [] sysvec_apic_timer_interrupt+0xf/0x80 softirqs last enabled at (2060884): [] handle_softirqs+0x50c/0x770 softirqs last disabled at (2060887): [] __irq_exit_rcu+0xc4/0x100 CPU: 0 UID: 0 PID: 8911 Comm: syz-executor.2 Not tainted 6.13.0-rc3-next-20241219 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:unwind_get_return_address+0x59/0xa0 Code: 5d e9 bb 7f 75 03 48 b8 00 00 00 00 00 fc ff df 48 8d 6b 58 48 89 ea 48 c1 ea 03 80 3c 02 00 75 36 48 8b 7b 58 e8 d7 91 0d 00 <85> c0 74 cf 48 b8 00 00 00 00 00 fc ff df 48 89 ea 48 c1 ea 03 80 RSP: 0018:ffff88806ce08ea0 EFLAGS: 00000202 RAX: 0000000000000001 RBX: ffff88806ce08eb8 RCX: 0000000000000001 RDX: 1ffff1100d9c11e2 RSI: ffff888038f4f6b8 RDI: ffffffff8135b558 RBP: ffff88806ce08f10 R08: 0000000000000001 R09: ffff88806ce08ef8 R10: 000000000003aa65 R11: 0000000000020d4d R12: ffff88806ce08f80 R13: 0000000000000000 R14: ffff88803635b780 R15: ffffffff8484138c FS: 00007ff449b60700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b3192d000 CR3: 000000002d764000 CR4: 0000000000350ef0 Call Trace: arch_stack_walk+0x9d/0xf0 stack_trace_save+0x8f/0xc0 kasan_save_stack+0x24/0x50 kasan_save_track+0x14/0x30 __kasan_kmalloc+0x7f/0x90 __kmalloc_noprof+0x1f7/0x4b0 ieee802_11_parse_elems_full+0xec/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 14 de ab ff 4d 85 ed 74 06 e8 7a 5d 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:ffff888038f4f580 EFLAGS: 00000246 RAX: 00000000001f0c03 RBX: ffffea0000db65c0 RCX: 1ffffffff0fe1d0a RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff81a45d06 RBP: ffff888008c4f780 R08: 0000000000000001 R09: fffffbfff0fdfbe1 R10: ffffffff87efdf0f R11: 0000000000000000 R12: ffff88806ce40390 R13: 0000000000000200 R14: 0000000000000000 R15: ffff888036d97940 qlist_free_all+0x50/0x160 kasan_quarantine_reduce+0x19f/0x240 __kasan_slab_alloc+0x49/0x70 kmem_cache_alloc_noprof+0x13d/0x3d0 ptlock_alloc+0x21/0x70 pte_alloc_one+0x78/0x340 __pte_alloc+0x6d/0x350 copy_page_range+0x2878/0x4d90 dup_mm+0xd7b/0x1ff0 copy_process+0x704e/0x70e0 kernel_clone+0xeb/0x850 __do_sys_fork+0x80/0xc0 do_syscall_64+0xbf/0x1d0 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7ff44c5eab19 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:00007ff449b60188 EFLAGS: 00000246 ORIG_RAX: 0000000000000039 RAX: ffffffffffffffda RBX: 00007ff44c6fdf60 RCX: 00007ff44c5eab19 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00007ff44c644f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffd5b6cbf8f R14: 00007ff449b60300 R15: 0000000000022000 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 UID: 0 PID: 0 Comm: swapper/1 Not tainted 6.13.0-rc3-next-20241219 #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: 38 03 48 c7 c0 f4 ff ff ff eb 92 0f 1f 80 00 00 00 00 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 00 e4 91 7e 65 8b 05 01 e4 91 7e a9 00 01 ff 00 74 27 RSP: 0018:ffff88806cf09d90 EFLAGS: 00000016 RAX: 0000000080010001 RBX: ffff88806cf2d3d8 RCX: ffffffff815fff55 RDX: ffff888009615340 RSI: ffffffff815fff63 RDI: 0000000000000006 RBP: 00000000000f4240 R08: 0000000000000000 R09: fffffbfff0c7f92f R10: 0000000000005c25 R11: 0000000000000000 R12: 0000000000005c25 R13: 00000050490d6bc0 R14: 0000000000000001 R15: 00000050490d6bc0 FS: 0000000000000000(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000557ebcc04618 CR3: 000000000c51e000 CR4: 0000000000350ef0 Call Trace: hrtimer_forward+0x103/0x270 tick_nohz_handler+0x220/0x6d0 __hrtimer_run_queues+0x57c/0xa80 hrtimer_interrupt+0x369/0x830 __sysvec_apic_timer_interrupt+0xc2/0x330 sysvec_apic_timer_interrupt+0x6b/0x80 asm_sysvec_apic_timer_interrupt+0x1a/0x20 RIP: 0010:default_idle+0x1e/0x30 Code: 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 0f 1f 44 00 00 eb 0c 0f 1f 44 00 00 0f 00 2d 89 a6 1a 00 0f 1f 44 00 00 fb f4 e9 fc 2e 02 00 66 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 RSP: 0018:ffff88800970fe68 EFLAGS: 00000206 RAX: 000000000013341d RBX: 0000000000000001 RCX: ffffffff84a7da77 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff814b2f4a RBP: dffffc0000000000 R08: 0000000000000001 R09: ffffed100d9e6c4a R10: ffff88806cf36253 R11: 0000000000000000 R12: ffffffff863fc990 R13: 1ffff110012e1fd2 R14: 0000000000000000 R15: 0000000000000000 default_idle_call+0x6d/0xb0 do_idle+0x2fa/0x3b0 cpu_startup_entry+0x4f/0x60 start_secondary+0x1c1/0x220 common_startup_64+0x12c/0x138 ---------------- Code disassembly (best guess): 0: 5d pop %rbp 1: e9 bb 7f 75 03 jmpq 0x3757fc1 6: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax d: fc ff df 10: 48 8d 6b 58 lea 0x58(%rbx),%rbp 14: 48 89 ea mov %rbp,%rdx 17: 48 c1 ea 03 shr $0x3,%rdx 1b: 80 3c 02 00 cmpb $0x0,(%rdx,%rax,1) 1f: 75 36 jne 0x57 21: 48 8b 7b 58 mov 0x58(%rbx),%rdi 25: e8 d7 91 0d 00 callq 0xd9201 * 2a: 85 c0 test %eax,%eax <-- trapping instruction 2c: 74 cf je 0xfffffffd 2e: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 35: fc ff df 38: 48 89 ea mov %rbp,%rdx 3b: 48 c1 ea 03 shr $0x3,%rdx 3f: 80 .byte 0x80