watchdog: BUG: soft lockup - CPU#1 stuck for 123s! [syz.1.616:7736] Modules linked in: irq event stamp: 11010413 hardirqs last enabled at (11010412): [] irqentry_exit+0x63/0x90 kernel/entry/common.c:357 hardirqs last disabled at (11010413): [] sysvec_apic_timer_interrupt+0xe/0xc0 arch/x86/kernel/apic/apic.c:1049 softirqs last enabled at (11006356): [] __do_softirq kernel/softirq.c:588 [inline] softirqs last enabled at (11006356): [] invoke_softirq kernel/softirq.c:428 [inline] softirqs last enabled at (11006356): [] __irq_exit_rcu+0xf7/0x220 kernel/softirq.c:655 softirqs last disabled at (11006359): [] __do_softirq kernel/softirq.c:588 [inline] softirqs last disabled at (11006359): [] invoke_softirq kernel/softirq.c:428 [inline] softirqs last disabled at (11006359): [] __irq_exit_rcu+0xf7/0x220 kernel/softirq.c:655 CPU: 1 UID: 0 PID: 7736 Comm: syz.1.616 Not tainted 6.13.0-rc1-syzkaller-00035-ge10500b69c3f #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 RIP: 0010:preempt_count arch/x86/include/asm/preempt.h:26 [inline] RIP: 0010:check_kcov_mode kernel/kcov.c:183 [inline] RIP: 0010:__sanitizer_cov_trace_pc+0x11/0x70 kernel/kcov.c:217 Code: 5b e9 23 dc 5e 00 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 48 8b 04 24 65 48 8b 0c 25 00 d6 03 00 <65> 8b 15 d0 63 64 7e 81 e2 00 01 ff 00 74 11 81 fa 00 01 00 00 75 RSP: 0018:ffffc90000a17d30 EFLAGS: 00000202 RAX: ffffffff814d47e6 RBX: 0000000000000001 RCX: ffff88802c8d5a00 RDX: ffff88802c8d5a00 RSI: 0000000000000302 RDI: 0000000000000000 RBP: 0000000000000302 R08: ffffffff814d47d9 R09: 1ffffffff20328d6 R10: dffffc0000000000 R11: fffffbfff20328d7 R12: 0000000058c02200 R13: dffffc0000000000 R14: ffffffff814d4513 R15: ffff88813fffa6a0 FS: 00007fddc5fe86c0(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055ab07236408 CR3: 000000005a844000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: rcu_read_unlock_sched include/linux/rcupdate.h:964 [inline] pfn_valid include/linux/mmzone.h:2058 [inline] __virt_addr_valid+0x456/0x530 arch/x86/mm/physaddr.c:65 kasan_addr_to_slab+0xd/0x80 mm/kasan/common.c:37 __kasan_record_aux_stack+0x11/0xc0 mm/kasan/generic.c:529 kvfree_call_rcu+0xfc/0x790 kernel/rcu/tree.c:3820 cfg80211_update_known_bss+0xb45/0x1590 net/wireless/scan.c:1892 __cfg80211_bss_update+0x153/0x2030 net/wireless/scan.c:1939 cfg80211_inform_single_bss_data+0xd82/0x2070 net/wireless/scan.c:2330 cfg80211_inform_bss_data+0x3ce/0x5e80 net/wireless/scan.c:3189 cfg80211_inform_bss_frame_data+0x3bb/0x720 net/wireless/scan.c:3284 ieee80211_bss_info_update+0x8a7/0xbc0 net/mac80211/scan.c:226 ieee80211_scan_rx+0x526/0x9c0 net/mac80211/scan.c:340 __ieee80211_rx_handle_packet net/mac80211/rx.c:5232 [inline] ieee80211_rx_list+0x2c44/0x3810 net/mac80211/rx.c:5469 ieee80211_rx_napi+0x18a/0x3c0 net/mac80211/rx.c:5492 ieee80211_rx include/net/mac80211.h:5163 [inline] ieee80211_handle_queued_frames+0xe7/0x1e0 net/mac80211/main.c:441 tasklet_action_common+0x426/0x620 kernel/softirq.c:804 handle_softirqs+0x2d4/0x9b0 kernel/softirq.c:554 __do_softirq kernel/softirq.c:588 [inline] invoke_softirq kernel/softirq.c:428 [inline] __irq_exit_rcu+0xf7/0x220 kernel/softirq.c:655 irq_exit_rcu+0x9/0x30 kernel/softirq.c:671 instr_sysvec_irq_work arch/x86/kernel/irq_work.c:17 [inline] sysvec_irq_work+0xa3/0xc0 arch/x86/kernel/irq_work.c:17 asm_sysvec_irq_work+0x1a/0x20 arch/x86/include/asm/idtentry.h:738 RIP: 0010:pfn_valid include/linux/mmzone.h:2049 [inline] RIP: 0010:__virt_addr_valid+0x23b/0x530 arch/x86/mm/physaddr.c:65 Code: 00 48 c7 c2 40 58 08 8c e8 12 cd 2d 00 4d 85 ff 74 36 4c 89 f8 48 c1 e8 03 80 3c 28 00 74 08 4c 89 ff e8 78 22 bd 00 49 8b 1f <48> 89 de 48 83 e6 02 31 ff e8 27 31 52 00 48 89 d8 48 83 e0 02 75 RSP: 0018:ffffc9001c0a7b48 EFLAGS: 00000246 RAX: 1ffff11027fff4b8 RBX: ffffea000000000f RCX: 0000000000080000 RDX: ffffc9000b859000 RSI: 000000000007ffff RDI: 0000000000080000 RBP: dffffc0000000000 R08: ffffffff814d4544 R09: 1ffffffff2857110 R10: dffffc0000000000 R11: fffffbfff2857111 R12: 0000000026a2c560 R13: 000000000000000b R14: ffffffff814d4513 R15: ffff88813fffa5c0 check_heap_object mm/usercopy.c:189 [inline] __check_object_size+0x10d/0x900 mm/usercopy.c:251 check_object_size include/linux/thread_info.h:228 [inline] check_copy_size include/linux/thread_info.h:264 [inline] copy_from_user include/linux/uaccess.h:207 [inline] generic_map_update_batch+0x559/0x900 kernel/bpf/syscall.c:1945 bpf_map_do_batch+0x39a/0x660 kernel/bpf/syscall.c:5298 __sys_bpf+0x377/0x810 __do_sys_bpf kernel/bpf/syscall.c:5897 [inline] __se_sys_bpf kernel/bpf/syscall.c:5895 [inline] __x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:5895 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fddc517fed9 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 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fddc5fe8058 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 00007fddc5345fa0 RCX: 00007fddc517fed9 RDX: 0000000000000038 RSI: 0000000020000200 RDI: 000000000000001a RBP: 00007fddc51f3cc8 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007fddc5345fa0 R15: 00007ffc9bf95328 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 UID: 0 PID: 35 Comm: kworker/u8:2 Not tainted 6.13.0-rc1-syzkaller-00035-ge10500b69c3f #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 Workqueue: events_unbound cfg80211_wiphy_work RIP: 0010:native_safe_halt arch/x86/include/asm/irqflags.h:48 [inline] RIP: 0010:arch_safe_halt arch/x86/include/asm/irqflags.h:106 [inline] RIP: 0010:kvm_wait+0x250/0x2c0 arch/x86/kernel/kvm.c:1064 Code: 3b 45 0f b6 f6 44 89 ff 44 89 f6 e8 4a 79 54 00 e8 a5 42 5c 00 45 38 f7 75 15 66 90 e8 b9 78 54 00 0f 00 2d f2 16 bd 0a fb f4 50 fe ff ff e8 a6 78 54 00 fb e9 45 fe ff ff 89 d9 80 e1 07 38 RSP: 0018:ffffc90000ab6c40 EFLAGS: 000002d3 RAX: ffffffff814af967 RBX: ffff88805a7c8150 RCX: ffff88801de91e00 RDX: 0000000000000000 RSI: ffffffff8c0a9680 RDI: ffffffff8c5f6660 RBP: ffffc90000ab6d10 R08: ffffffff942b8957 R09: 1ffffffff285712a R10: dffffc0000000000 R11: fffffbfff285712b R12: 1ffff92000156d8c R13: dffffc0000000000 R14: 0000000000000003 R15: 0000000000000003 FS: 0000000000000000(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fd3e5146038 CR3: 000000007e718000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: pv_wait arch/x86/include/asm/paravirt.h:596 [inline] pv_wait_head_or_lock kernel/locking/qspinlock_paravirt.h:466 [inline] __pv_queued_spin_lock_slowpath+0x8d0/0xdb0 kernel/locking/qspinlock.c:508 pv_queued_spin_lock_slowpath arch/x86/include/asm/paravirt.h:584 [inline] queued_spin_lock_slowpath+0x42/0x50 arch/x86/include/asm/qspinlock.h:51 queued_spin_lock include/asm-generic/qspinlock.h:114 [inline] do_raw_spin_lock+0x272/0x370 kernel/locking/spinlock_debug.c:116 spin_lock_bh include/linux/spinlock.h:356 [inline] cfg80211_inform_single_bss_data+0xd6e/0x2070 net/wireless/scan.c:2329 cfg80211_inform_bss_data+0x3ce/0x5e80 net/wireless/scan.c:3189 cfg80211_inform_bss_frame_data+0x3bb/0x720 net/wireless/scan.c:3284 ieee80211_bss_info_update+0x8a7/0xbc0 net/mac80211/scan.c:226 ieee80211_rx_bss_info net/mac80211/ibss.c:1101 [inline] ieee80211_rx_mgmt_probe_beacon net/mac80211/ibss.c:1580 [inline] ieee80211_ibss_rx_queued_mgmt+0x1969/0x2d70 net/mac80211/ibss.c:1607 ieee80211_iface_process_skb net/mac80211/iface.c:1616 [inline] ieee80211_iface_work+0x8a5/0xf20 net/mac80211/iface.c:1670 cfg80211_wiphy_work+0x2db/0x480 net/wireless/core.c:440 process_one_work kernel/workqueue.c:3229 [inline] process_scheduled_works+0xa66/0x1840 kernel/workqueue.c:3310 worker_thread+0x870/0xd30 kernel/workqueue.c:3391 kthread+0x2f0/0x390 kernel/kthread.c:389 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244