watchdog: BUG: soft lockup - CPU#0 stuck for 123s! [syz-executor.0:24559] Modules linked in: CPU: 0 PID: 24559 Comm: syz-executor.0 Tainted: G W 5.10.215-syzkaller-00370-gb58b8f9dad93 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 RIP: 0010:pv_wait_head_or_lock kernel/locking/qspinlock_paravirt.h:434 [inline] RIP: 0010:__pv_queued_spin_lock_slowpath+0x5a1/0xc70 kernel/locking/qspinlock.c:508 Code: 85 ba 01 00 00 c6 03 00 48 8b 44 24 28 42 0f b6 04 30 84 c0 0f 85 bf 01 00 00 48 8b 04 24 c6 00 01 bb 00 80 ff ff eb 06 f3 90 c3 74 50 43 0f b6 44 35 00 84 c0 75 32 41 80 3c 24 00 75 e9 4c RSP: 0018:ffffc90001156ec0 EFLAGS: 00000206 RAX: 0000000000000004 RBX: 00000000ffffab36 RCX: 00000000870ba400 RDX: 0000000000000001 RSI: 0000000000000003 RDI: ffffc90001156e40 RBP: ffffc90001156fb0 R08: dffffc0000000000 R09: 0000000000000000 R10: fffffbfff0e17490 R11: dffffc0000000001 R12: ffffffff870ba480 R13: 1ffffffff0e17490 R14: dffffc0000000000 R15: ffff88823ff52e40 FS: 00007f8204f7d6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000786c6c257830 CR3: 0000000126a63000 CR4: 00000000003506b0 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:554 [inline] queued_spin_lock_slowpath arch/x86/include/asm/qspinlock.h:51 [inline] queued_spin_lock include/asm-generic/qspinlock.h:85 [inline] do_raw_spin_lock include/linux/spinlock.h:183 [inline] __raw_spin_lock include/linux/spinlock_api_smp.h:143 [inline] _raw_spin_lock+0x139/0x1b0 kernel/locking/spinlock.c:151 spin_lock include/linux/spinlock.h:354 [inline] find_vmap_area mm/vmalloc.c:1451 [inline] find_vm_area mm/vmalloc.c:2166 [inline] __vunmap+0x50/0x8f0 mm/vmalloc.c:2276 __vfree mm/vmalloc.c:2349 [inline] vfree+0x5c/0x80 mm/vmalloc.c:2380 bpf_check+0x9e7b/0xf2b0 kernel/bpf/verifier.c:12743 bpf_prog_load kernel/bpf/syscall.c:2239 [inline] __do_sys_bpf kernel/bpf/syscall.c:4435 [inline] __se_sys_bpf+0x107a2/0x11cb0 kernel/bpf/syscall.c:4391 __x64_sys_bpf+0x7b/0x90 kernel/bpf/syscall.c:4391 do_syscall_64+0x34/0x70 entry_SYSCALL_64_after_hwframe+0x61/0xc6 RIP: 0033:0x7f8205c02f29 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f8204f7d0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 00007f8205d39f80 RCX: 00007f8205c02f29 RDX: 0000000000000080 RSI: 0000000020000040 RDI: 0000000000000005 RBP: 00007f8205c72074 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007f8205d39f80 R15: 00007ffea0e26348 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 24568 Comm: syz-executor.4 Tainted: G W 5.10.215-syzkaller-00370-gb58b8f9dad93 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 RIP: 0010:x2apic_send_IPI_self+0x0/0x70 arch/x86/kernel/apic/x2apic_phys.c:154 Code: f8 5d c3 0f 1f 80 00 00 00 00 55 48 89 e5 89 f8 5d c3 0f 1f 84 00 00 00 00 00 55 48 89 e5 89 f1 89 f8 d3 f8 5d c3 0f 1f 40 00 <55> 48 89 e5 41 57 41 56 53 41 89 fe 48 c7 c0 a8 0c dc 85 48 c1 e8 RSP: 0018:ffffc900001705d0 EFLAGS: 00000046 RAX: 1ffffffff0bb813a RBX: ffffffff85dc09d0 RCX: ffff88810ca0cf00 RDX: 0000000000010102 RSI: 0000000000000008 RDI: 00000000000000f6 RBP: ffffc900001705e8 R08: dffffc0000000000 R09: ffffed103ee2a5f7 R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000 R13: 0000000000000000 R14: dffffc0000000000 R15: dffffc0000000000 FS: 00007f2b4be566c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f2b4be35d58 CR3: 000000011fcb9000 CR4: 00000000003506a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __irq_work_queue_local+0x111/0x180 irq_work_queue+0xaa/0x160 kernel/irq_work.c:75 __perf_event_overflow+0x272/0x350 kernel/events/core.c:9049 perf_swevent_hrtimer+0x3fd/0x560 kernel/events/core.c:10448 __run_hrtimer kernel/time/hrtimer.c:1583 [inline] __hrtimer_run_queues+0x3d7/0xa50 kernel/time/hrtimer.c:1647 hrtimer_interrupt+0x39a/0x8b0 kernel/time/hrtimer.c:1709 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1083 [inline] __sysvec_apic_timer_interrupt+0xfd/0x3c0 arch/x86/kernel/apic/apic.c:1100 run_sysvec_on_irqstack_cond arch/x86/include/asm/irq_stack.h:91 [inline] sysvec_apic_timer_interrupt+0xba/0xe0 arch/x86/kernel/apic/apic.c:1094 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:635 RIP: 0010:should_resched arch/x86/include/asm/preempt.h:102 [inline] RIP: 0010:__local_bh_enable_ip+0x53/0x80 kernel/softirq.c:201 Code: a9 00 ff ff 00 75 19 48 c7 c7 e0 b3 07 85 e8 54 73 6c 03 65 66 8b 05 1c 9a c5 7e 66 85 c0 75 22 bf 01 00 00 00 e8 6d 57 09 00 <65> 8b 05 52 b0 c2 7e 85 c0 74 02 5d c3 e8 0f c2 c0 ff 5d c3 0f 0b RSP: 0018:ffffc90000170c28 EFLAGS: 00000213 RAX: 0000000000000102 RBX: ffff88811a683900 RCX: 0000000000000102 RDX: 0000000000000001 RSI: 0000000000000201 RDI: 0000000000000001 RBP: ffffc90000170c28 R08: dffffc0000000000 R09: ffffed10234d0721 R10: 0000000000000000 R11: dffffc0000000001 R12: ffff88811a683808 R13: 0000000000000040 R14: ffff8881188be400 R15: dffffc0000000000 __raw_read_unlock_bh include/linux/rwlock_api_smp.h:251 [inline] _raw_read_unlock_bh+0x29/0x30 kernel/locking/spinlock.c:279 ipv6_get_lladdr+0x1af/0x1f0 net/ipv6/addrconf.c:1888 addrconf_rs_timer+0x26b/0x600 net/ipv6/addrconf.c:3961 call_timer_fn+0x3b/0x2d0 kernel/time/timer.c:1450 expire_timers kernel/time/timer.c:1495 [inline] __run_timers+0x72a/0xa10 kernel/time/timer.c:1789 run_timer_softirq+0x69/0xf0 kernel/time/timer.c:1802 __do_softirq+0x268/0x5bb kernel/softirq.c:309 asm_call_irq_on_stack+0xf/0x20 __run_on_irqstack arch/x86/include/asm/irq_stack.h:26 [inline] run_on_irqstack_cond arch/x86/include/asm/irq_stack.h:77 [inline] do_softirq_own_stack+0x60/0x80 arch/x86/kernel/irq_64.c:77 invoke_softirq kernel/softirq.c:405 [inline] __irq_exit_rcu+0x128/0x150 kernel/softirq.c:435 irq_exit_rcu+0x9/0x10 kernel/softirq.c:447 sysvec_apic_timer_interrupt+0xbf/0xe0 arch/x86/kernel/apic/apic.c:1094 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:635 RIP: 0010:rb_link_node include/linux/rbtree.h:73 [inline] RIP: 0010:link_va mm/vmalloc.c:607 [inline] RIP: 0010:insert_vmap_area+0x1e5/0x350 mm/vmalloc.c:714 Code: 8d 60 10 4c 89 e0 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df 80 3c 08 00 74 08 4c 89 e7 e8 d3 d4 05 00 48 8b 5d c8 4c 89 73 10 <48> 8d 7b 18 ba 10 00 00 00 31 f6 e8 3b d6 05 00 4c 89 f8 48 c1 e8 RSP: 0018:ffffc90000dd7518 EFLAGS: 00000246 RAX: 1ffff11021a99d46 RBX: ffff88810d4cea20 RCX: dffffc0000000000 RDX: ffffc90004d56000 RSI: 0000000000000139 RDI: 000000000000013a RBP: ffffc90000dd7550 R08: ffffffff81a26bc0 R09: 0000000000000003 R10: fffff520001bae9c R11: dffffc0000000001 R12: ffff88810d4cea30 R13: dffffc0000000000 R14: ffff888119c3b2b0 R15: ffff888119c3b2c0 alloc_vmap_area+0x18a1/0x1a90 mm/vmalloc.c:1231 __get_vm_area_node+0x156/0x470 mm/vmalloc.c:2093 __vmalloc_node_range+0xdc/0x7c0 mm/vmalloc.c:2591 __vmalloc_node mm/vmalloc.c:2682 [inline] __vmalloc+0x7a/0x90 mm/vmalloc.c:2696 bpf_prog_alloc_no_stats+0x39/0x2a0 kernel/bpf/core.c:92 bpf_prog_alloc+0x21/0x1e0 kernel/bpf/core.c:120 bpf_prog_load kernel/bpf/syscall.c:2180 [inline] __do_sys_bpf kernel/bpf/syscall.c:4435 [inline] __se_sys_bpf+0x9856/0x11cb0 kernel/bpf/syscall.c:4391 __x64_sys_bpf+0x7b/0x90 kernel/bpf/syscall.c:4391 do_syscall_64+0x34/0x70 entry_SYSCALL_64_after_hwframe+0x61/0xc6 RIP: 0033:0x7f2b4cadbf29 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f2b4be560c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 00007f2b4cc12f80 RCX: 00007f2b4cadbf29 RDX: 0000000000000090 RSI: 00000000200000c0 RDI: 0000000000000005 RBP: 00007f2b4cb4b074 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007f2b4cc12f80 R15: 00007ffc363b5db8