------------[ cut here ]------------
WARNING: CPU: 0 PID: 18000 at mm/maccess.c:226 copy_from_user_nofault+0x160/0x1c0 mm/maccess.c:226
Modules linked in:
CPU: 0 PID: 18000 Comm: syz.4.3539 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
RIP: 0010:copy_from_user_nofault+0x160/0x1c0 mm/maccess.c:226
Code: 24 45 31 f6 31 ff 89 de e8 5d 95 d8 ff 85 db 48 c7 c0 f2 ff ff ff 49 0f 44 c6 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 e0 91 d8 ff <0f> 0b e9 1c ff ff ff 44 89 e1 80 e1 07 80 c1 03 38 c1 0f 8c ea fe
RSP: 0018:ffffc90000007b18 EFLAGS: 00010046
RAX: ffffffff81a0b710 RBX: 0000000000000008 RCX: ffff888078f53b80
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffff888078f53b87 R09: 1ffff1100f1ea770
R10: dffffc0000000000 R11: ffffed100f1ea771 R12: ffff888078f55308
R13: 00007ffffffff000 R14: ffffc90000007b88 R15: 0000000000000005
FS: 00007f623ccd36c0(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000005 CR3: 00000000734e7000 CR4: 00000000003506f0
DR0: 0000200000000300 DR1: 0000200000000300 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
bpf_probe_read_user_common kernel/trace/bpf_trace.c:157 [inline]
____bpf_probe_read_compat kernel/trace/bpf_trace.c:281 [inline]
bpf_probe_read_compat+0xdd/0x170 kernel/trace/bpf_trace.c:277
bpf_prog_35c2aeabad5a7bfe+0x45/0x494
bpf_dispatcher_nop_func include/linux/bpf.h:888 [inline]
__bpf_prog_run include/linux/filter.h:628 [inline]
bpf_prog_run include/linux/filter.h:635 [inline]
BPF_PROG_RUN_ARRAY include/linux/bpf.h:1439 [inline]
trace_call_bpf+0x2b1/0x5b0 kernel/trace/bpf_trace.c:127
perf_trace_run_bpf_submit+0x79/0x1c0 kernel/events/core.c:10016
perf_trace_preemptirq_template+0x2aa/0x360 include/trace/events/preemptirq.h:14
trace_irq_enable_rcuidle+0x108/0x180 include/trace/events/preemptirq.h:40
trace_hardirqs_on+0x57/0x80 kernel/trace/trace_preemptirq.c:44
handle_softirqs+0x1a4/0x830 kernel/softirq.c:560
__do_softirq kernel/softirq.c:610 [inline]
invoke_softirq kernel/softirq.c:450 [inline]
__irq_exit_rcu+0x13b/0x230 kernel/softirq.c:659
irq_exit_rcu+0x5/0x20 kernel/softirq.c:671
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1108 [inline]
sysvec_apic_timer_interrupt+0xa0/0xc0 arch/x86/kernel/apic/apic.c:1108
asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:676
RIP: 0010:seqcount_lockdep_reader_access+0x144/0x190 include/linux/seqlock.h:106
Code: 00 00 00 00 9c 8f 44 24 20 f7 44 24 20 00 02 00 00 41 c6 04 07 f8 75 42 41 f7 c5 00 02 00 00 74 01 fb 48 c7 04 24 0e 36 e0 45 <4b> c7 04 27 00 00 00 00 43 c7 44 27 08 00 00 00 00 65 48 8b 04 25
RSP: 0018:ffffc90002e5f4c0 EFLAGS: 00000206
RAX: dffffc0000000004 RBX: ffff88813fffb7c0 RCX: ca8b31617689bc00
RDX: dffffc0000000000 RSI: ffffffff8a2b3180 RDI: ffffffff8a7a09c0
RBP: ffffc90002e5f580 R08: ffff8880b903b30b R09: 1ffff11017207661
R10: dffffc0000000000 R11: ffffed1017207662 R12: dffffc0000000000
R13: 0000000000000a02 R14: ffffffff81b56047 R15: 1ffff920005cbe98
read_seqbegin include/linux/seqlock.h:897 [inline]
zone_span_seqbegin include/linux/memory_hotplug.h:83 [inline]
page_outside_zone_boundaries mm/page_alloc.c:580 [inline]
bad_range+0x77/0x2d0 mm/page_alloc.c:607
rmqueue mm/page_alloc.c:3760 [inline]
get_page_from_freelist+0x1b9c/0x1ca0 mm/page_alloc.c:4189
__alloc_pages+0x1ee/0x480 mm/page_alloc.c:5501
__get_free_pages+0x8/0x30 mm/page_alloc.c:5538
kasan_populate_vmalloc_pte+0x21/0xc0 mm/kasan/shadow.c:266
apply_to_pte_range mm/memory.c:2573 [inline]
apply_to_pmd_range mm/memory.c:2617 [inline]
apply_to_pud_range mm/memory.c:2653 [inline]
apply_to_p4d_range mm/memory.c:2689 [inline]
__apply_to_page_range+0x983/0xd10 mm/memory.c:2725
alloc_vmap_area+0x18d5/0x1a10 mm/vmalloc.c:1572
__get_vm_area_node+0x14f/0x2d0 mm/vmalloc.c:2430
__vmalloc_node_range+0xef/0x8b0 mm/vmalloc.c:3027
__bpf_map_area_alloc kernel/bpf/syscall.c:328 [inline]
bpf_map_area_alloc+0xd4/0xe0 kernel/bpf/syscall.c:335
array_map_alloc+0x27c/0x6f0 kernel/bpf/arraymap.c:142
find_and_alloc_map kernel/bpf/syscall.c:129 [inline]
map_create+0x485/0x2350 kernel/bpf/syscall.c:881
__sys_bpf+0x30a/0x6f0 kernel/bpf/syscall.c:4639
__do_sys_bpf kernel/bpf/syscall.c:4761 [inline]
__se_sys_bpf kernel/bpf/syscall.c:4759 [inline]
__x64_sys_bpf+0x78/0x90 kernel/bpf/syscall.c:4759
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: 0033:0x7f623ea79e59
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:00007f623ccd3028 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00007f623ecf2fa0 RCX: 00007f623ea79e59
RDX: 0000000000000048 RSI: 00002000000009c0 RDI: 0000000000000000
RBP: 00007f623eb0fd6f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f623ecf3038 R14: 00007f623ecf2fa0 R15: 00007ffc4793faf8
----------------
Code disassembly (best guess):
0: 00 00 add %al,(%rax)
2: 00 00 add %al,(%rax)
4: 9c pushf
5: 8f 44 24 20 pop 0x20(%rsp)
9: f7 44 24 20 00 02 00 testl $0x200,0x20(%rsp)
10: 00
11: 41 c6 04 07 f8 movb $0xf8,(%r15,%rax,1)
16: 75 42 jne 0x5a
18: 41 f7 c5 00 02 00 00 test $0x200,%r13d
1f: 74 01 je 0x22
21: fb sti
22: 48 c7 04 24 0e 36 e0 movq $0x45e0360e,(%rsp)
29: 45
* 2a: 4b c7 04 27 00 00 00 movq $0x0,(%r15,%r12,1) <-- trapping instruction
31: 00
32: 43 c7 44 27 08 00 00 movl $0x0,0x8(%r15,%r12,1)
39: 00 00
3b: 65 gs
3c: 48 rex.W
3d: 8b .byte 0x8b
3e: 04 25 add $0x25,%al