watchdog: BUG: soft lockup - CPU#0 stuck for 144s! [syz.0.380:6249] Modules linked in: irq event stamp: 789984 hardirqs last enabled at (789983): [] kvm_wait+0x23b/0x2c0 hardirqs last disabled at (789984): [] sysvec_apic_timer_interrupt+0xe/0xc0 arch/x86/kernel/apic/apic.c:1037 softirqs last enabled at (789980): [] __do_softirq kernel/softirq.c:588 [inline] softirqs last enabled at (789980): [] invoke_softirq kernel/softirq.c:428 [inline] softirqs last enabled at (789980): [] __irq_exit_rcu+0xf4/0x1c0 kernel/softirq.c:637 softirqs last disabled at (789965): [] __do_softirq kernel/softirq.c:588 [inline] softirqs last disabled at (789965): [] invoke_softirq kernel/softirq.c:428 [inline] softirqs last disabled at (789965): [] __irq_exit_rcu+0xf4/0x1c0 kernel/softirq.c:637 CPU: 0 UID: 0 PID: 6249 Comm: syz.0.380 Not tainted 6.11.0-syzkaller-10574-g93eeaab4563c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 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:1060 Code: 3b 45 0f b6 f6 44 89 ff 44 89 f6 e8 aa 3e 54 00 e8 c5 fd 5b 00 45 38 f7 75 15 66 90 e8 19 3e 54 00 0f 00 2d 52 bc c7 0a fb f4 50 fe ff ff e8 06 3e 54 00 fb e9 45 fe ff ff 89 d9 80 e1 07 38 RSP: 0018:ffffc9000330f5e0 EFLAGS: 00000246 RAX: ffffffff81407727 RBX: ffffffff8ea39d28 RCX: 0000000000040000 RDX: ffffc9000407a000 RSI: 000000000003ffff RDI: 0000000000040000 RBP: ffffc9000330f6b0 R08: ffffffff942687c7 R09: 1ffffffff284d0f8 R10: dffffc0000000000 R11: fffffbfff284d0f9 R12: 1ffff92000661ec0 R13: dffffc0000000000 R14: 0000000000000003 R15: 0000000000000003 FS: 00007f31093ff6c0(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000004 CR3: 00000000568d6000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 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 include/linux/spinlock.h:351 [inline] kasan_populate_vmalloc_pte+0x86/0xe0 mm/kasan/shadow.c:311 apply_to_pte_range mm/memory.c:2817 [inline] apply_to_pmd_range mm/memory.c:2861 [inline] apply_to_pud_range mm/memory.c:2897 [inline] apply_to_p4d_range mm/memory.c:2933 [inline] __apply_to_page_range+0x806/0xde0 mm/memory.c:2967 alloc_vmap_area+0x1d52/0x2400 mm/vmalloc.c:2035 __get_vm_area_node+0x1a9/0x270 mm/vmalloc.c:3116 get_vm_area+0x46/0x60 mm/vmalloc.c:3158 arena_map_alloc+0x1f4/0x470 kernel/bpf/arena.c:120 map_create+0x946/0x11c0 kernel/bpf/syscall.c:1341 __sys_bpf+0x6d1/0x810 kernel/bpf/syscall.c:5616 __do_sys_bpf kernel/bpf/syscall.c:5741 [inline] __se_sys_bpf kernel/bpf/syscall.c:5739 [inline] __x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:5739 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: 0033:0x7f310997dff9 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:00007f31093ff038 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 00007f3109b35f80 RCX: 00007f310997dff9 RDX: 0000000000000048 RSI: 0000000020003940 RDI: 0000000000000000 RBP: 00007f31099f0296 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000001 R14: 00007f3109b35f80 R15: 00007ffde8ed7158 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 UID: 0 PID: 5246 Comm: kworker/1:4 Not tainted 6.11.0-syzkaller-10574-g93eeaab4563c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 Workqueue: events drain_vmap_area_work RIP: 0010:get_current arch/x86/include/asm/current.h:49 [inline] RIP: 0010:__sanitizer_cov_trace_pc+0x8/0x70 kernel/kcov.c:216 Code: 8b 3d 14 dd 9c 0c 48 89 de 5b e9 a3 c5 5d 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 c0 d7 03 00 65 8b 15 70 22 6f 7e 81 e2 00 01 ff 00 RSP: 0018:ffffc90000a18930 EFLAGS: 00000002 RAX: ffffffff8142c1b6 RBX: 0000000000000001 RCX: ffff88802d7c1e00 RDX: ffff88802d7c1e00 RSI: ffffffff8c610400 RDI: ffffffff8c6103c0 RBP: dffffc0000000000 R08: ffffffff8142c1a4 R09: 1ffffffff284d0f8 R10: dffffc0000000000 R11: fffffbfff284d0f9 R12: 00000000b873fa70 R13: 0000000000000000 R14: ffffffff8142c173 R15: ffff88813fffa820 FS: 0000000000000000(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f3109b07ab8 CR3: 000000002fe7a000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: rcu_read_lock_sched include/linux/rcupdate.h:942 [inline] pfn_valid include/linux/mmzone.h:2043 [inline] __virt_addr_valid+0x1c6/0x530 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:526 irq_work_queue_on+0x118/0x260 kernel/irq_work.c:150 rcu_read_unlock_special+0x3cf/0x550 kernel/rcu/tree_plugin.h:686 __rcu_read_unlock+0xa1/0x110 kernel/rcu/tree_plugin.h:437 rcu_read_unlock include/linux/rcupdate.h:882 [inline] trace_call_bpf+0x607/0x8a0 kernel/trace/bpf_trace.c:148 perf_trace_run_bpf_submit+0x82/0x180 kernel/events/core.c:10417 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+0x1e3/0x980 kernel/softirq.c:542 Code: 7c 24 70 45 0f b7 e4 48 c7 c7 60 bf 09 8c e8 a4 0a 6d 0a 65 66 c7 05 62 7e ac 7e 00 00 e8 55 1b 45 00 fb 49 c7 c6 c0 a0 60 8e ff ff ff ff 41 0f bc c4 41 89 c7 41 ff c7 0f 84 eb 03 00 00 44 RSP: 0018:ffffc90000a18e40 EFLAGS: 00000286 RAX: 8f06af7e8584f000 RBX: ffffc90000a18ee0 RCX: ffffffff8170892a RDX: dffffc0000000000 RSI: ffffffff8c0aca40 RDI: ffffffff8c610420 RBP: ffffc90000a18f50 R08: ffffffff942687c7 R09: 1ffffffff284d0f8 R10: dffffc0000000000 R11: fffffbfff284d0f9 R12: 0000000000000200 R13: 0000000000000000 R14: ffffffff8e60a0c0 R15: 1ffff11005af83c0 __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:693 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 59 60 88 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:ffffc90002eef6a0 EFLAGS: 00000206 RAX: 8f06af7e8584f000 RBX: 1ffff920005ddedc RCX: ffffffff8170892a RDX: dffffc0000000000 RSI: ffffffff8c0aca40 RDI: ffffffff8c610420 RBP: ffffc90002eef778 R08: ffffffff942687c7 R09: 1ffffffff284d0f8 R10: dffffc0000000000 R11: fffffbfff284d0f9 R12: ffffffff8e93cd00 R13: ffff88802d7c2260 R14: ffffc90002eef6e0 R15: 1ffff920005dded8 __rcu_read_unlock+0xa1/0x110 kernel/rcu/tree_plugin.h:437 page_table_check_free include/linux/page_table_check.h:41 [inline] free_pages_prepare mm/page_alloc.c:1109 [inline] free_unref_page+0xd0f/0xf20 mm/page_alloc.c:2638 kasan_depopulate_vmalloc_pte+0x74/0x90 mm/kasan/shadow.c:408 apply_to_pte_range mm/memory.c:2817 [inline] apply_to_pmd_range mm/memory.c:2861 [inline] apply_to_pud_range mm/memory.c:2897 [inline] apply_to_p4d_range mm/memory.c:2933 [inline] __apply_to_page_range+0x806/0xde0 mm/memory.c:2967 kasan_release_vmalloc+0x9a/0xb0 mm/kasan/shadow.c:525 purge_vmap_node+0x417/0x810 mm/vmalloc.c:2204 __purge_vmap_area_lazy+0x708/0xae0 mm/vmalloc.c:2288 drain_vmap_area_work+0x27/0x40 mm/vmalloc.c:2322 process_one_work kernel/workqueue.c:3229 [inline] process_scheduled_works+0xa63/0x1850 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