ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 rcu: Stack dump where RCU GP kthread last ran: Sending NMI from CPU 0 to CPUs 1: watchdog: BUG: soft lockup - CPU#0 stuck for 225s! [syz-executor:5227] Modules linked in: irq event stamp: 548879 hardirqs last enabled at (548878): [] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:151 [inline] hardirqs last enabled at (548878): [] _raw_spin_unlock_irqrestore+0x52/0x80 kernel/locking/spinlock.c:194 hardirqs last disabled at (548879): [] sysvec_apic_timer_interrupt+0xe/0xb0 arch/x86/kernel/apic/apic.c:1043 softirqs last enabled at (343298): [] softirq_handle_end kernel/softirq.c:400 [inline] softirqs last enabled at (343298): [] handle_softirqs+0x5be/0x8f0 kernel/softirq.c:582 softirqs last disabled at (343301): [] __do_softirq kernel/softirq.c:588 [inline] softirqs last disabled at (343301): [] invoke_softirq kernel/softirq.c:428 [inline] softirqs last disabled at (343301): [] __irq_exit_rcu kernel/softirq.c:637 [inline] softirqs last disabled at (343301): [] irq_exit_rcu+0xbb/0x120 kernel/softirq.c:649 CPU: 0 UID: 0 PID: 5227 Comm: syz-executor Not tainted 6.11.0-rc5-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 RIP: 0010:__sanitizer_cov_trace_switch+0x40/0x90 kernel/kcov.c:350 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 <4c> 89 e2 4c 89 ef 48 83 c3 01 48 8b 4c 24 28 e8 8c fd ff ff 49 39 RSP: 0018:ffffc90000006fb0 EFLAGS: 00000202 RAX: 0000000000000000 RBX: 0000000000000001 RCX: ffffffff813ce5c1 RDX: ffff88801cf3bc00 RSI: 0000000000000003 RDI: 0000000000000001 RBP: ffffffff8b49d6c0 R08: 0000000000000001 R09: 0000000000000002 R10: 0000000000000005 R11: 0000000000000000 R12: 0000000000000005 R13: 0000000000000001 R14: 0000000000000008 R15: ffffc90000007095 FS: 0000555571dd1500(0000) GS:ffff8880b9200000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f2fc5c00460 CR3: 0000000063dfc000 CR4: 0000000000350ef0 Call Trace: unwind_next_frame+0x6c1/0x23a0 arch/x86/kernel/unwind_orc.c:515 arch_stack_walk+0x100/0x170 arch/x86/kernel/stacktrace.c:25 stack_trace_save+0x95/0xd0 kernel/stacktrace.c:122 kasan_save_stack+0x33/0x60 mm/kasan/common.c:47 __kasan_record_aux_stack+0xba/0xd0 mm/kasan/generic.c:541 kvfree_call_rcu+0x74/0xbe0 kernel/rcu/tree.c:3815 cfg80211_update_known_bss+0x39f/0x1150 net/wireless/scan.c:1891 __cfg80211_bss_update+0x1aa/0x2560 net/wireless/scan.c:1937 cfg80211_inform_single_bss_data+0x79b/0x1dc0 net/wireless/scan.c:2331 cfg80211_inform_bss_data+0x205/0x39c0 net/wireless/scan.c:3159 cfg80211_inform_bss_frame_data+0x271/0x7a0 net/wireless/scan.c:3254 ieee80211_bss_info_update+0x311/0xab0 net/mac80211/scan.c:226 ieee80211_scan_rx+0x474/0xac0 net/mac80211/scan.c:340 __ieee80211_rx_handle_packet net/mac80211/rx.c:5225 [inline] ieee80211_rx_list+0x1be3/0x2e90 net/mac80211/rx.c:5462 ieee80211_rx_napi+0xdd/0x400 net/mac80211/rx.c:5485 ieee80211_rx include/net/mac80211.h:5124 [inline] ieee80211_handle_queued_frames+0xd5/0x130 net/mac80211/main.c:439 tasklet_action_common.constprop.0+0x24f/0x3e0 kernel/softirq.c:785 handle_softirqs+0x219/0x8f0 kernel/softirq.c:554 __do_softirq kernel/softirq.c:588 [inline] invoke_softirq kernel/softirq.c:428 [inline] __irq_exit_rcu kernel/softirq.c:637 [inline] irq_exit_rcu+0xbb/0x120 kernel/softirq.c:649 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1043 [inline] sysvec_apic_timer_interrupt+0x95/0xb0 arch/x86/kernel/apic/apic.c:1043 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 RIP: 0010:preempt_schedule_irq+0x4c/0x90 kernel/sched/core.c:6851 Code: df 55 65 48 8b 2d d4 6b f0 74 53 48 89 eb 48 c1 eb 03 48 01 c3 bf 01 00 00 00 e8 cf 83 48 f6 e8 9a 9e 7f f6 fb bf 01 00 00 00 4f a3 ff ff 9c 58 fa f6 c4 02 75 1e bf 01 00 00 00 e8 1d 34 48 RSP: 0018:ffffc900031efb28 EFLAGS: 00000202 RAX: 0000000000051583 RBX: ffffed10039e7780 RCX: 1ffffffff28cab86 RDX: 0000000000000000 RSI: ffffffff8b4cd6e0 RDI: 0000000000000001 RBP: ffff88801cf3bc00 R08: 0000000000000001 R09: fffffbfff28c84e6 R10: ffffffff94642737 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 irqentry_exit+0x36/0x90 kernel/entry/common.c:354 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 RIP: 0010:put_cpu_partial+0x12c/0x220 mm/slub.c:3125 Code: 28 75 75 48 c7 43 28 00 00 00 00 48 89 df 48 8d 35 00 00 00 00 e8 94 8d 8a ff 4d 85 e4 75 4a 9c 58 f6 c4 02 0f 85 b4 00 00 00 <4d> 85 ed 74 21 5b 4c 89 ee 48 89 ef 5d 41 5c 41 5d 41 5e 41 5f e9 RSP: 0018:ffffc900031efbf8 EFLAGS: 00000246 RAX: 0000000000000006 RBX: ffff8880b9245a10 RCX: 1ffffffff28cab86 RDX: 0000000000000000 RSI: ffffffff8b4cd6e0 RDI: ffffffff8bb0c800 RBP: ffff888016ab9780 R08: 0000000000000001 R09: fffffbfff28c84e6 R10: ffffffff94642737 R11: 0000000000000000 R12: 0000000000000200 R13: ffffea0000af7e00 R14: 0000000000000000 R15: 0000000000000001 qlink_free mm/kasan/quarantine.c:163 [inline] qlist_free_all+0x4e/0x140 mm/kasan/quarantine.c:179 kasan_quarantine_reduce+0x192/0x1e0 mm/kasan/quarantine.c:286 __kasan_slab_alloc+0x69/0x90 mm/kasan/common.c:322 kasan_slab_alloc include/linux/kasan.h:201 [inline] slab_post_alloc_hook mm/slub.c:3988 [inline] slab_alloc_node mm/slub.c:4037 [inline] kmem_cache_alloc_lru_noprof+0x121/0x2f0 mm/slub.c:4056 __d_alloc+0x31/0xaa0 fs/dcache.c:1631 d_alloc_pseudo+0x1c/0xc0 fs/dcache.c:1763 alloc_path_pseudo fs/file_table.c:330 [inline] alloc_file_pseudo+0xdc/0x210 fs/file_table.c:346 sock_alloc_file+0x50/0x1d0 net/socket.c:469 sock_map_fd net/socket.c:494 [inline] __sys_socket+0x1c2/0x260 net/socket.c:1715 __do_sys_socket net/socket.c:1720 [inline] __se_sys_socket net/socket.c:1718 [inline] __x64_sys_socket+0x72/0xb0 net/socket.c:1718 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f544817bd97 Code: f0 ff ff 77 06 c3 0f 1f 44 00 00 48 c7 c2 a8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 0f 1f 44 00 00 b8 29 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffeecfa3178 EFLAGS: 00000202 ORIG_RAX: 0000000000000029 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f544817bd97 RDX: 0000000000000006 RSI: 0000000000000001 RDI: 0000000000000002 RBP: 00007ffeecfa385c R08: 00007ffeecfa316c R09: 00007ffeecfa3577 R10: 00007ffeecfa31f0 R11: 0000000000000202 R12: 0000555571de45eb R13: 0000555571de4590 R14: 0000000000026213 R15: 00007ffeecfa38b0 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 skipped: idling at native_safe_halt arch/x86/include/asm/irqflags.h:48 [inline] NMI backtrace for cpu 1 skipped: idling at arch_safe_halt arch/x86/include/asm/irqflags.h:106 [inline] NMI backtrace for cpu 1 skipped: idling at acpi_safe_halt+0x1a/0x20 drivers/acpi/processor_idle.c:111