kthread+0x34b/0x3d0 kernel/kthread.c:313
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:298
watchdog: BUG: soft lockup - CPU#1 stuck for 123s! [syz.1.776:3038]
Modules linked in:
CPU: 1 PID: 3038 Comm: syz.1.776 Tainted: G W 5.10.234-syzkaller-00023-g3f5f2283d684 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
RIP: 0010:csd_lock_wait kernel/smp.c:229 [inline]
RIP: 0010:smp_call_function_single+0x278/0x510 kernel/smp.c:517
Code: 0f 85 18 02 00 00 44 8b 6c 24 48 44 89 ee 83 e6 01 31 ff e8 ea ec 0a 00 41 83 e5 01 75 0a e8 2f e9 0a 00 e9 eb 00 00 00 f3 90 <42> 0f b6 04 23 84 c0 75 15 f7 44 24 48 01 00 00 00 0f 84 cd 00 00
RSP: 0018:ffffc9000128ef80 EFLAGS: 00000246
RAX: ffffffff815fd654 RBX: 1ffff92000251df9 RCX: 0000000000080000
RDX: ffffc90001d1d000 RSI: 000000000007ffff RDI: 0000000000080000
RBP: ffffc9000128f070 R08: ffffffff815fd626 R09: ffffed103ee0aec9
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: 0000000000000001 R14: ffffc9000128efc8 R15: 0000000000000000
FS: 00007f1510cb46c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000100000000 CR3: 000000011c6d6000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
smp_call_function_many_cond+0x94e/0xa30 kernel/smp.c:653
smp_call_function_many kernel/smp.c:716 [inline]
smp_call_function kernel/smp.c:738 [inline]
on_each_cpu+0xa8/0x1a0 kernel/smp.c:837
cpa_flush arch/x86/mm/pat/set_memory.c:367 [inline]
change_page_attr_set_clr+0xe2d/0x1050 arch/x86/mm/pat/set_memory.c:1774
change_page_attr_clear arch/x86/mm/pat/set_memory.c:1789 [inline]
set_memory_x+0xee/0x130 arch/x86/mm/pat/set_memory.c:1922
bpf_jit_binary_lock_ro include/linux/filter.h:843 [inline]
bpf_int_jit_compile+0x9841/0x9dc0 arch/x86/net/bpf_jit_comp.c:2130
bpf_prog_select_runtime+0x735/0x9c0 kernel/bpf/core.c:1876
bpf_prog_load kernel/bpf/syscall.c:2243 [inline]
__do_sys_bpf kernel/bpf/syscall.c:4440 [inline]
__se_sys_bpf+0x1080e/0x11cb0 kernel/bpf/syscall.c:4396
__x64_sys_bpf+0x7b/0x90 kernel/bpf/syscall.c:4396
do_syscall_64+0x34/0x70
entry_SYSCALL_64_after_hwframe+0x61/0xcb
RIP: 0033:0x7f151266b169
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:00007f1510cb4038 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00007f1512884080 RCX: 00007f151266b169
RDX: 0000000000000080 RSI: 0000400000000200 RDI: 0000000000000005
RBP: 00007f15126ec2a0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f1512884080 R15: 00007ffe95ca6ae8
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 3040 Comm: syz.3.779 Tainted: G W 5.10.234-syzkaller-00023-g3f5f2283d684 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
RIP: 0010:native_halt arch/x86/include/asm/irqflags.h:66 [inline]
RIP: 0010:halt arch/x86/include/asm/irqflags.h:112 [inline]
RIP: 0010:kvm_wait+0xec/0x150 arch/x86/kernel/kvm.c:921
Code: 03 42 0f b6 04 20 84 c0 75 6a 41 0f b6 45 00 44 38 f0 75 26 41 f7 c7 00 02 00 00 75 0f 0f 1f 44 00 00 0f 00 2d a5 53 d5 03 f4 0e 0f 1f 44 00 00 0f 00 2d 96 53 d5 03 fb f4 4c 89 7c 24 18 ff
RSP: 0018:ffffc90000d47040 EFLAGS: 00000046
RAX: 0000000000000003 RBX: 1ffff920001a8e0c RCX: ffffffff8150ca64
RDX: 0000000000000001 RSI: 0000000000000003 RDI: ffffc90000d47080
RBP: ffffc90000d470f0 R08: dffffc0000000000 R09: ffffed1024a7b825
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: ffff8881253dc120 R14: 0000000000000003 R15: 0000000000000046
FS: 00007efe590626c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c2c2868 CR3: 000000011297e000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
pv_wait arch/x86/include/asm/paravirt.h:564 [inline]
pv_wait_head_or_lock kernel/locking/qspinlock_paravirt.h:470 [inline]
__pv_queued_spin_lock_slowpath+0x72f/0xc70 kernel/locking/qspinlock.c:508
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_flags include/linux/spinlock.h:195 [inline]
__raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:119 [inline]
_raw_spin_lock_irqsave+0x1a0/0x210 kernel/locking/spinlock.c:159
trie_delete_elem+0x94/0x760 kernel/bpf/lpm_trie.c:465
bpf_prog_8c8ab8634bca3061+0x3a/0x1c8
bpf_dispatcher_nop_func include/linux/bpf.h:669 [inline]
__bpf_trace_run kernel/trace/bpf_trace.c:2061 [inline]
bpf_trace_run4+0x13e/0x2e0 kernel/trace/bpf_trace.c:2100
__bpf_trace_mm_page_alloc+0xbf/0xf0 include/trace/events/kmem.h:193
trace_mm_page_alloc include/trace/events/kmem.h:193 [inline]
__alloc_pages_nodemask+0xa8e/0xaf0 mm/page_alloc.c:5376
__alloc_pages include/linux/gfp.h:544 [inline]
__alloc_pages_node include/linux/gfp.h:557 [inline]
alloc_pages_node include/linux/gfp.h:571 [inline]
alloc_pages include/linux/gfp.h:590 [inline]
kmalloc_order+0x4c/0x170 mm/slab_common.c:843
kmalloc_order_trace+0x18/0x90 mm/slab_common.c:859
kmalloc_large include/linux/slab.h:481 [inline]
__kmalloc+0x1f1/0x330 mm/slub.c:4022
__kmalloc_node include/linux/slab.h:418 [inline]
kmalloc_node include/linux/slab.h:575 [inline]
lpm_trie_node_alloc kernel/bpf/lpm_trie.c:288 [inline]
trie_update_elem+0x1be/0xd30 kernel/bpf/lpm_trie.c:330
bpf_map_update_value+0x230/0x420 kernel/bpf/syscall.c:219
map_update_elem kernel/bpf/syscall.c:1136 [inline]
__do_sys_bpf kernel/bpf/syscall.c:4428 [inline]
__se_sys_bpf+0x7687/0x11cb0 kernel/bpf/syscall.c:4396
__x64_sys_bpf+0x7b/0x90 kernel/bpf/syscall.c:4396
do_syscall_64+0x34/0x70
entry_SYSCALL_64_after_hwframe+0x61/0xcb
RIP: 0033:0x7efe5a9f8169
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:00007efe59062038 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00007efe5ac10fa0 RCX: 00007efe5a9f8169
RDX: 0000000000000020 RSI: 0000400000000140 RDI: 0000000000000002
RBP: 00007efe5aa792a0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007efe5ac10fa0 R15: 00007ffef9868558