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WARNING: CPU: 0 PID: 5844 at kernel/rcu/tree_stall.h:989 rcu_check_gp_start_stall+0x2e4/0x470 kernel/rcu/tree_stall.h:989
Modules linked in:
CPU: 0 UID: 0 PID: 5844 Comm: syz-executor Not tainted 6.15.0-syzkaller-g90b83efa6701 #0 PREEMPT(full)
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
RIP: 0010:rcu_check_gp_start_stall+0x2e4/0x470 kernel/rcu/tree_stall.h:989
Code: ff ff 48 c7 c7 60 24 ab 99 be 04 00 00 00 e8 93 b5 7b 00 4c 89 f7 b8 01 00 00 00 87 05 b5 be 03 18 85 c0 0f 85 17 ff ff ff 90 <0f> 0b 90 48 81 ff 80 20 14 8e 74 47 48 c7 c0 f0 e2 a0 8f 48 c1 e8
RSP: 0018:ffffc90000007bb8 EFLAGS: 00010046
RAX: 0000000000000000 RBX: 0000000000000a02 RCX: ffffffff81a7659d
RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffffffff8e142080
RBP: ffffc90000007e30 R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: fffffbfff335648c R12: 0000000000002904
R13: 1ffff110170c793a R14: ffffffff8e142080 R15: dffffc0000000000
FS: 000055557eb93500(0000) GS:ffff888125c66000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f382077d2d8 CR3: 000000007af9e000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
rcu_core+0x5f7/0x1710 kernel/rcu/tree.c:2827
handle_softirqs+0x286/0x870 kernel/softirq.c:579
__do_softirq kernel/softirq.c:613 [inline]
invoke_softirq kernel/softirq.c:453 [inline]
__irq_exit_rcu+0xca/0x1f0 kernel/softirq.c:680
irq_exit_rcu+0x9/0x30 kernel/softirq.c:696
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1050 [inline]
sysvec_apic_timer_interrupt+0xa6/0xc0 arch/x86/kernel/apic/apic.c:1050
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:pv_native_safe_halt+0x13/0x20 arch/x86/kernel/paravirt.c:82
Code: 43 d5 02 00 cc cc cc 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 66 90 0f 00 2d a3 92 24 00 f3 0f 1e fa fb f4 18 d5 02 00 cc cc cc cc cc cc cc cc 90 90 90 90 90 90 90 90 90
RSP: 0018:ffffc900044ff118 EFLAGS: 000002d3
RAX: ffffffff8171aaed RBX: 0000000000000003 RCX: ffff888079070000
RDX: 0000000000000000 RSI: ffffffff8d96be0f RDI: ffffffff8be263c0
RBP: ffffc900044ff1f0 R08: ffffffff8fa0b1b7 R09: 1ffffffff1f41636
R10: dffffc0000000000 R11: fffffbfff1f41637 R12: dffffc0000000000
R13: 0000000000000200 R14: 0000000000000003 R15: 1ffff9200089fe28
arch_safe_halt arch/x86/include/asm/paravirt.h:107 [inline]
kvm_wait+0x232/0x290 arch/x86/kernel/kvm.c:1064
pv_wait arch/x86/include/asm/paravirt.h:569 [inline]
pv_wait_head_or_lock kernel/locking/qspinlock_paravirt.h:466 [inline]
__pv_queued_spin_lock_slowpath+0x7bf/0xb60 kernel/locking/qspinlock.c:325
pv_queued_spin_lock_slowpath arch/x86/include/asm/paravirt.h:557 [inline]
queued_spin_lock_slowpath+0x43/0x50 arch/x86/include/asm/qspinlock.h:51
queued_spin_lock include/asm-generic/qspinlock.h:114 [inline]
do_raw_spin_lock+0x21f/0x290 kernel/locking/spinlock_debug.c:116
spin_lock include/linux/spinlock.h:351 [inline]
preload_this_cpu_lock mm/vmalloc.c:1865 [inline]
alloc_vmap_area+0x355/0x24c0 mm/vmalloc.c:2031
__get_vm_area_node+0x1f8/0x300 mm/vmalloc.c:3170
__vmalloc_node_range_noprof+0x301/0x1340 mm/vmalloc.c:3837
__vmalloc_node_noprof mm/vmalloc.c:3940 [inline]
vzalloc_noprof+0xb2/0xf0 mm/vmalloc.c:4014
alloc_counters+0xd3/0x6d0 net/ipv4/netfilter/ip_tables.c:799
copy_entries_to_user net/ipv4/netfilter/arp_tables.c:681 [inline]
get_entries net/ipv4/netfilter/arp_tables.c:867 [inline]
do_arpt_get_ctl+0xa42/0x1010 net/ipv4/netfilter/arp_tables.c:1461
nf_getsockopt+0x26b/0x290 net/netfilter/nf_sockopt.c:116
ip_getsockopt+0x1c4/0x220 net/ipv4/ip_sockglue.c:1777
do_sock_getsockopt+0x35d/0x650 net/socket.c:2357
__sys_getsockopt net/socket.c:2386 [inline]
__do_sys_getsockopt net/socket.c:2393 [inline]
__se_sys_getsockopt net/socket.c:2390 [inline]
__x64_sys_getsockopt+0x1a5/0x250 net/socket.c:2390
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f38205906aa
Code: ff c3 66 0f 1f 44 00 00 48 c7 c2 a8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb b8 0f 1f 44 00 00 49 89 ca b8 37 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 06 c3 0f 1f 44 00 00 48 c7 c2 a8 ff ff ff f7
RSP: 002b:00007ffd96c87ed8 EFLAGS: 00000212 ORIG_RAX: 0000000000000037
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f38205906aa
RDX: 0000000000000061 RSI: 0000000000000000 RDI: 0000000000000003
RBP: 00007ffd96c87f40 R08: 00007ffd96c87eec R09: 00007ffd96c882d7
R10: 00007ffd96c87f40 R11: 0000000000000212 R12: 00007ffd96c87eec
R13: 00000000000927c0 R14: 0000000000019647 R15: 00007ffd96c88620
----------------
Code disassembly (best guess):
0: 43 d5 rex.XB (bad)
2: 02 00 add (%rax),%al
4: cc int3
5: cc int3
6: cc int3
7: 90 nop
8: 90 nop
9: 90 nop
a: 90 nop
b: 90 nop
c: 90 nop
d: 90 nop
e: 90 nop
f: 90 nop
10: 90 nop
11: 90 nop
12: 90 nop
13: 90 nop
14: 90 nop
15: 90 nop
16: 90 nop
17: f3 0f 1e fa endbr64
1b: 66 90 xchg %ax,%ax
1d: 0f 00 2d a3 92 24 00 verw 0x2492a3(%rip) # 0x2492c7
24: f3 0f 1e fa endbr64
28: fb sti
29: f4 hlt
* 2a: e9 18 d5 02 00 jmp 0x2d547 <-- trapping instruction
2f: cc int3
30: cc int3
31: cc int3
32: cc int3
33: cc int3
34: cc int3
35: cc int3
36: cc int3
37: 90 nop
38: 90 nop
39: 90 nop
3a: 90 nop
3b: 90 nop
3c: 90 nop
3d: 90 nop
3e: 90 nop
3f: 90 nop