watchdog: BUG: soft lockup - CPU#0 stuck for 144s! [syz.4.352:6388] Modules linked in: irq event stamp: 537556 hardirqs last enabled at (537555): [] irqentry_exit+0x63/0x90 kernel/entry/common.c:357 hardirqs last disabled at (537556): [] sysvec_apic_timer_interrupt+0xe/0xc0 arch/x86/kernel/apic/apic.c:1043 softirqs last enabled at (537542): [] __do_softirq kernel/softirq.c:588 [inline] softirqs last enabled at (537542): [] invoke_softirq kernel/softirq.c:428 [inline] softirqs last enabled at (537542): [] __irq_exit_rcu+0xf4/0x1c0 kernel/softirq.c:637 softirqs last disabled at (537521): [] __do_softirq kernel/softirq.c:588 [inline] softirqs last disabled at (537521): [] invoke_softirq kernel/softirq.c:428 [inline] softirqs last disabled at (537521): [] __irq_exit_rcu+0xf4/0x1c0 kernel/softirq.c:637 CPU: 0 PID: 6388 Comm: syz.4.352 Not tainted 6.10.0-syzkaller-04511-gba1cf16ae34e #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 RIP: 0010:pv_wait_head_or_lock kernel/locking/qspinlock_paravirt.h:430 [inline] RIP: 0010:__pv_queued_spin_lock_slowpath+0x781/0xdc0 kernel/locking/qspinlock.c:508 Code: ff 42 0f b6 04 2b 84 c0 75 6c 66 c7 84 24 b0 00 00 00 00 01 48 8b 44 24 40 42 0f b6 04 28 84 c0 75 77 41 80 3e 00 74 0c f3 90 <41> ff c4 75 d2 e9 a0 00 00 00 4c 89 f7 be 02 00 00 00 e8 28 74 65 RSP: 0018:ffffc9000d41f640 EFLAGS: 00000206 RAX: 0000000000000000 RBX: 1ffff92001a83ede RCX: ffffc9000d41f601 RDX: ffffc9000a0a9000 RSI: 000000000003ffff RDI: 0000000000040000 RBP: ffffc9000d41f778 R08: ffffffff92fcf5c7 R09: 1ffffffff25f9eb8 R10: dffffc0000000000 R11: fffffbfff25f9eb9 R12: 00000000ffffff43 R13: dffffc0000000000 R14: ffffffff8e431a28 R15: ffffc9000d41f700 FS: 00007f20fe5826c0(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b32f1aff8 CR3: 000000002adee000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 Call Trace: 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 include/linux/spinlock.h:351 [inline] kasan_populate_vmalloc_pte+0x86/0xe0 mm/kasan/shadow.c:311 apply_to_pte_range mm/memory.c:2746 [inline] apply_to_pmd_range mm/memory.c:2790 [inline] apply_to_pud_range mm/memory.c:2826 [inline] apply_to_p4d_range mm/memory.c:2862 [inline] __apply_to_page_range+0x8a8/0xe50 mm/memory.c:2896 alloc_vmap_area+0x1d41/0x23e0 mm/vmalloc.c:2034 __get_vm_area_node+0x1a9/0x270 mm/vmalloc.c:3118 get_vm_area_caller mm/vmalloc.c:3169 [inline] vmap+0x119/0x2b0 mm/vmalloc.c:3438 bpf_ringbuf_area_alloc kernel/bpf/ringbuf.c:134 [inline] bpf_ringbuf_alloc+0x1ec/0x410 kernel/bpf/ringbuf.c:172 ringbuf_map_alloc+0x1d7/0x2f0 kernel/bpf/ringbuf.c:207 map_create+0x90c/0x1200 kernel/bpf/syscall.c:1333 __sys_bpf+0x6d1/0x810 kernel/bpf/syscall.c:5692 __do_sys_bpf kernel/bpf/syscall.c:5817 [inline] __se_sys_bpf kernel/bpf/syscall.c:5815 [inline] __x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:5815 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: 0033:0x7f20fd775f19 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:00007f20fe582048 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 00007f20fd905f60 RCX: 00007f20fd775f19 RDX: 0000000000000048 RSI: 00000000200007c0 RDI: 0000000000000000 RBP: 00007f20fd7e4e68 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007f20fd905f60 R15: 00007ffc14ed05a8 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 5104 Comm: kworker/1:3 Not tainted 6.10.0-syzkaller-04511-gba1cf16ae34e #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 Workqueue: events drain_vmap_area_work RIP: 0010:__cant_sleep+0xc0/0x280 kernel/sched/core.c:8446 Code: 4c 89 ff e8 32 30 95 00 48 c7 44 24 60 00 00 00 00 9c 8f 44 24 60 42 80 3c 2b 00 74 08 4c 89 ff e8 25 2f 95 00 f6 44 24 61 02 <74> 4b 65 8b 05 ef 67 9c 7e 25 ff ff ff 7f 44 39 e0 7f 3a 48 c7 c0 RSP: 0018:ffffc90000a18a20 EFLAGS: 00000046 RAX: f2f2f200f1f1f1f1 RBX: 1ffff92000143150 RCX: ffff88801a7e5a00 RDX: 0000000000000000 RSI: 0000000000000073 RDI: ffffffff8bd01200 RBP: ffffc90000a18af0 R08: 0000000000000001 R09: ffff8880b9537948 R10: dffffc0000000000 R11: fffffbfff1f5c736 R12: 0000000000000000 R13: dffffc0000000000 R14: 1ffff92000143148 R15: ffffc90000a18a80 FS: 0000000000000000(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f20fd8f2aa8 CR3: 000000005caa2000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 Call Trace: trace_call_bpf+0x8e/0x8a0 kernel/trace/bpf_trace.c:115 perf_trace_run_bpf_submit+0x82/0x180 kernel/events/core.c:10304 perf_trace_preemptirq_template+0x2d2/0x3f0 include/trace/events/preemptirq.h:14 trace_irq_enable+0xf1/0x120 include/trace/events/preemptirq.h:40 trace_hardirqs_on+0x18/0x40 kernel/trace/trace_preemptirq.c:56 irqentry_exit+0x63/0x90 kernel/entry/common.c:357 asm_sysvec_irq_work+0x1a/0x20 arch/x86/include/asm/idtentry.h:738 RIP: 0010:variable_ffs arch/x86/include/asm/bitops.h:321 [inline] RIP: 0010:handle_softirqs+0x1df/0x970 kernel/softirq.c:542 Code: 89 7c 24 70 0f b7 db 48 c7 c7 60 be c9 8b e8 a8 11 32 0a 65 66 c7 05 86 af a9 7e 00 00 e8 a9 9b 43 00 fb 49 c7 c4 c0 a0 00 8e ff ff ff ff 0f bc c3 41 89 c7 41 ff c7 0f 84 e6 03 00 00 89 5c RSP: 0018:ffffc90000a18e40 EFLAGS: 00000286 RAX: 509334355e582000 RBX: 0000000000000200 RCX: ffffffff817302da RDX: dffffc0000000000 RSI: ffffffff8bcac920 RDI: ffffffff8c204660 RBP: ffffc90000a18f50 R08: ffffffff92fcf5c7 R09: 1ffffffff25f9eb8 R10: dffffc0000000000 R11: fffffbfff25f9eb9 R12: ffffffff8e00a0c0 R13: 0000000000000000 R14: dffffc0000000000 R15: 1ffff920001431dc __do_softirq kernel/softirq.c:588 [inline] invoke_softirq kernel/softirq.c:428 [inline] __irq_exit_rcu+0xf4/0x1c0 kernel/softirq.c:637 irq_exit_rcu+0x9/0x30 kernel/softirq.c:649 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:rcu_read_unlock_special+0x88/0x550 kernel/rcu/tree_plugin.h:692 Code: f1 f1 f1 00 f2 f2 f2 49 89 04 17 66 41 c7 44 17 09 f3 f3 41 c6 44 17 0b f3 65 44 8b 25 d9 7e 86 7e 41 f7 c4 00 00 f0 00 74 49 <48> c7 44 24 20 0e 36 e0 45 4a c7 04 3a 00 00 00 00 66 42 c7 44 3a RSP: 0018:ffffc90003acf620 EFLAGS: 00000206 RAX: 509334355e582000 RBX: 1ffff92000759ecc RCX: ffffffff817302da RDX: dffffc0000000000 RSI: ffffffff8bcac920 RDI: ffffffff8c204660 RBP: ffffc90003acf700 R08: ffffffff92fcf5c7 R09: 1ffffffff25f9eb8 R10: dffffc0000000000 R11: fffffbfff25f9eb9 R12: ffffffff8e33ac00 R13: ffff88801a7e5e60 R14: ffffc90003acf660 R15: 1ffff92000759ec8 __rcu_read_unlock+0xa1/0x110 kernel/rcu/tree_plugin.h:436 __reset_page_owner+0x2bd/0x3f0 mm/page_owner.c:300 reset_page_owner include/linux/page_owner.h:25 [inline] free_pages_prepare mm/page_alloc.c:1093 [inline] free_unref_page+0xd22/0xea0 mm/page_alloc.c:2588 kasan_depopulate_vmalloc_pte+0x74/0x90 mm/kasan/shadow.c:408 apply_to_pte_range mm/memory.c:2746 [inline] apply_to_pmd_range mm/memory.c:2790 [inline] apply_to_pud_range mm/memory.c:2826 [inline] apply_to_p4d_range mm/memory.c:2862 [inline] __apply_to_page_range+0x8a8/0xe50 mm/memory.c:2896 kasan_release_vmalloc+0x9a/0xb0 mm/kasan/shadow.c:525 purge_vmap_node+0x3e3/0x770 mm/vmalloc.c:2207 __purge_vmap_area_lazy+0x708/0xae0 mm/vmalloc.c:2289 drain_vmap_area_work+0x27/0x40 mm/vmalloc.c:2323 process_one_work kernel/workqueue.c:3231 [inline] process_scheduled_works+0xa2c/0x1830 kernel/workqueue.c:3312 worker_thread+0x86d/0xd40 kernel/workqueue.c:3390 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