RBP: 00007f237a516bf7 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f237a724038 R14: 00007f237a723fa0 R15: 00007fffc934b118
watchdog: BUG: soft lockup - CPU#0 stuck for 226s! [syz.2.2927:8426]
Modules linked in:
CPU: 0 PID: 8426 Comm: syz.2.2927 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
RIP: 0010:csd_lock_wait kernel/smp.c:440 [inline]
RIP: 0010:smp_call_function_many_cond+0x8e3/0xa10 kernel/smp.c:969
Code: 84 c0 0f 85 9d 00 00 00 41 8b 1f 89 de 83 e6 01 31 ff e8 e0 4e 0a 00 83 e3 01 48 8b 5c 24 10 75 07 e8 21 4b 0a 00 eb 42 f3 90 <48> b8 00 00 00 00 00 fc ff df 41 0f b6 44 05 00 84 c0 75 10 41 f7
RSP: 0018:ffffc90000dd7220 EFLAGS: 00000246
RAX: ffffffff815f7e75 RBX: ffff8881f7038e80 RCX: 0000000000080000
RDX: ffffc9000ab18000 RSI: 000000000007ffff RDI: 0000000000080000
RBP: ffffc90000dd7328 R08: ffffc90000dd716f R09: ffffc90000dd7160
R10: dffffc0000000000 R11: fffff520001bae2e R12: 1ffff1103ee071d0
R13: 1ffff1103ee2784d R14: 0000000000000001 R15: ffff8881f713c268
FS: 00007f2378f056c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000020000000cf3d CR3: 000000011a134000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
on_each_cpu_cond_mask+0x43/0x80 kernel/smp.c:1134
on_each_cpu include/linux/smp.h:71 [inline]
flush_tlb_kernel_range+0x43/0x240 arch/x86/mm/tlb.c:1074
__purge_vmap_area_lazy+0x1b5/0x18a0 mm/vmalloc.c:1702
_vm_unmap_aliases+0x2fd/0x380 mm/vmalloc.c:2126
vm_unmap_aliases+0x19/0x20 mm/vmalloc.c:2149
change_page_attr_set_clr+0x323/0xca0 arch/x86/mm/pat/set_memory.c:1740
change_page_attr_clear arch/x86/mm/pat/set_memory.c:1797 [inline]
set_memory_ro+0x89/0xd0 arch/x86/mm/pat/set_memory.c:1943
bpf_jit_binary_lock_ro include/linux/filter.h:919 [inline]
bpf_int_jit_compile+0xc6c3/0xcd60 arch/x86/net/bpf_jit_comp.c:2478
bpf_prog_select_runtime+0x6f1/0x9f0 kernel/bpf/core.c:1934
bpf_prog_load+0x10f3/0x1640 kernel/bpf/syscall.c:2332
__sys_bpf+0x51d/0x7d0 kernel/bpf/syscall.c:4633
__do_sys_bpf kernel/bpf/syscall.c:4737 [inline]
__se_sys_bpf kernel/bpf/syscall.c:4735 [inline]
__x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:4735
x64_sys_call+0x4b9/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:322
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f237a4a8cb9
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f2378f05028 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00007f237a723fa0 RCX: 00007f237a4a8cb9
RDX: 0000000000000048 RSI: 0000200000000080 RDI: 0000000000000005
RBP: 00007f237a516bf7 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f237a724038 R14: 00007f237a723fa0 R15: 00007fffc934b118
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 8421 Comm: syz.3.2925 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
RIP: 0010:native_halt arch/x86/include/asm/irqflags.h:57 [inline]
RIP: 0010:halt arch/x86/include/asm/irqflags.h:98 [inline]
RIP: 0010:kvm_wait+0xdf/0x150 arch/x86/kernel/kvm.c:912
Code: 43 c6 44 37 04 f8 75 24 48 89 f8 48 c1 e8 03 42 0f b6 04 30 84 c0 75 48 0f b6 07 40 38 f0 75 93 66 90 0f 00 2d 92 21 d6 03 f4 87 fa 48 89 f8 48 c1 e8 03 42 0f b6 04 30 84 c0 75 3f 0f b6 07
RSP: 0018:ffffc900001d0820 EFLAGS: 00000046
RAX: 0000000000000003 RBX: ffff888116746bac RCX: ffffffff81500549
RDX: 0000000000000001 RSI: 0000000000000003 RDI: ffff888116746bac
RBP: ffffc900001d08b0 R08: ffff888116746bac R09: 1ffff11022ce8d75
R10: dffffc0000000000 R11: ffffed1022ce8d76 R12: 1ffff1103ee20001
R13: ffff8881f7138ad4 R14: dffffc0000000000 R15: 1ffff9200003a104
FS: 00007fa515b606c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000005000 CR3: 0000000127195000 CR4: 00000000003506a0
DR0: 0000000000000002 DR1: 0000200000000300 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
pv_wait arch/x86/include/asm/paravirt.h:597 [inline]
pv_wait_head_or_lock kernel/locking/qspinlock_paravirt.h:470 [inline]
__pv_queued_spin_lock_slowpath+0x60f/0x9c0 kernel/locking/qspinlock.c:508
pv_queued_spin_lock_slowpath arch/x86/include/asm/paravirt.h:585 [inline]
queued_spin_lock_slowpath+0x47/0x50 arch/x86/include/asm/qspinlock.h:51
queued_spin_lock include/asm-generic/qspinlock.h:85 [inline]
do_raw_spin_lock include/linux/spinlock.h:188 [inline]
__raw_spin_lock_irq include/linux/spinlock_api_smp.h:129 [inline]
_raw_spin_lock_irq+0xe5/0xf0 kernel/locking/spinlock.c:170
get_wchan kernel/sched/core.c:2021 [inline]
perf_trace_sched_blocked_reason+0x24f/0x4b0 include/trace/events/sched.h:490
trace_sched_blocked_reason include/trace/events/sched.h:490 [inline]
try_to_wake_up+0xea1/0x1160 kernel/sched/core.c:4190
wake_up_process+0x10/0x20 kernel/sched/core.c:4348
swake_up_locked+0x60/0x120 kernel/sched/swait.c:30
complete+0x5e/0xb0 kernel/sched/completion.c:36
rcu_barrier_callback+0x47/0x50 kernel/rcu/tree.c:4033
rcu_do_batch+0x532/0xbe0 kernel/rcu/tree.c:2523
rcu_core+0x5ee/0xf80 kernel/rcu/tree.c:2763
rcu_core_si+0x9/0x10 kernel/rcu/tree.c:2776
handle_softirqs+0x250/0x560 kernel/softirq.c:583
__do_softirq kernel/softirq.c:621 [inline]
invoke_softirq kernel/softirq.c:443 [inline]
__irq_exit_rcu+0x52/0xf0 kernel/softirq.c:670
irq_exit_rcu+0x9/0x10 kernel/softirq.c:682
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1108 [inline]
sysvec_apic_timer_interrupt+0xa9/0xc0 arch/x86/kernel/apic/apic.c:1108
asm_sysvec_apic_timer_interrupt+0x1b/0x20 arch/x86/include/asm/idtentry.h:676
RIP: 0010:__sanitizer_cov_trace_const_cmp8+0x1/0x80 kernel/kcov.c:299
Code: 02 08 05 00 00 00 4a 89 7c 02 10 4a 89 74 02 18 4a 89 44 02 20 48 ff c1 48 89 0a 5d c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 55 <48> 89 e5 48 8b 45 08 65 48 8b 0d c0 9f 98 7e 65 8b 15 c1 9f 98 7e
RSP: 0018:ffffc90000bbfbd0 EFLAGS: 00000246
RAX: 1ffffd4000858249 RBX: 0000000000000004 RCX: dffffc0000000000
RDX: ffffc90002700000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90000bbfc10 R08: ffff888116410000 R09: 0000000000000002
R10: 0000000000000001 R11: 0000000000000002 R12: ffffea00042c1240
R13: ffffea0004dabf00 R14: ffff88810b049a28 R15: 0000000000000000
check_object_size include/linux/thread_info.h:199 [inline]
check_copy_size include/linux/thread_info.h:232 [inline]
copy_from_user include/linux/uaccess.h:191 [inline]
generic_map_update_batch+0x44c/0x760 kernel/bpf/syscall.c:1399
bpf_map_do_batch+0x463/0x5f0 kernel/bpf/syscall.c:-1
__sys_bpf+0x65c/0x7d0 kernel/bpf/syscall.c:-1
__do_sys_bpf kernel/bpf/syscall.c:4737 [inline]
__se_sys_bpf kernel/bpf/syscall.c:4735 [inline]
__x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:4735
x64_sys_call+0x4b9/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:322
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7fa517103cb9
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fa515b60028 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00007fa51737efa0 RCX: 00007fa517103cb9
RDX: 0000000000000038 RSI: 0000200000000200 RDI: 000000000000001a
RBP: 00007fa517171bf7 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fa51737f038 R14: 00007fa51737efa0 R15: 00007ffe423ee088