------------[ cut here ]------------
WARNING: CPU: 1 PID: 9080 at mm/maccess.c:226 copy_from_user_nofault+0x160/0x1c0 mm/maccess.c:226
Modules linked in:
CPU: 1 PID: 9080 Comm: syz.2.1499 Not tainted 5.15.185-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
RIP: 0010:copy_from_user_nofault+0x160/0x1c0 mm/maccess.c:226
Code: 24 45 31 f6 31 ff 89 de e8 ad e2 d7 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 30 df d7 ff <0f> 0b e9 1c ff ff ff 44 89 e1 80 e1 07 80 c1 03 38 c1 0f 8c ea fe
RSP: 0000:ffffc90000dd0d30 EFLAGS: 00010006
RAX: ffffffff819fe2f0 RBX: 0000000000000002 RCX: ffff888026db8000
RDX: 0000000000010000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: dffffc0000000000 R09: ffffed1004db7001
R10: ffffed1004db7001 R11: 1ffff11004db7000 R12: ffff888026db9788
R13: 00007ffffffff000 R14: ffffc90000dd0da8 R15: 0000000000000000
FS: 00007f4f0fe306c0(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f4f11f64890 CR3: 0000000066dc4000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 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_4c951443d905a12d+0x37/0xe74
bpf_dispatcher_nop_func include/linux/bpf.h:790 [inline]
__bpf_prog_run include/linux/filter.h:628 [inline]
bpf_prog_run include/linux/filter.h:635 [inline]
__bpf_trace_run kernel/trace/bpf_trace.c:1878 [inline]
bpf_trace_run2+0x15b/0x2d0 kernel/trace/bpf_trace.c:1915
trace_tlb_flush+0xe6/0x110 include/trace/events/tlb.h:38
flush_tlb_func+0x43f/0x510 arch/x86/mm/tlb.c:855
flush_smp_call_function_queue+0x2a9/0x760 kernel/smp.c:628
__sysvec_call_function_single+0x98/0x240 arch/x86/kernel/smp.c:248
instr_sysvec_call_function_single arch/x86/kernel/smp.c:243 [inline]
sysvec_call_function_single+0x98/0xc0 arch/x86/kernel/smp.c:243
asm_sysvec_call_function_single+0x16/0x20 arch/x86/include/asm/idtentry.h:684
RIP: 0010:add_mm_counter_fast mm/memory.c:194 [inline]
RIP: 0010:do_set_pte+0x357/0x530 mm/memory.c:4068
Code: 74 08 4c 89 f7 e8 a9 cb 0f 00 4d 8b 36 41 81 e6 00 00 08 00 31 ff 4c 89 f6 e8 65 57 ca ff 41 c1 ee 13 65 48 8b 2d 19 01 55 7e <4c> 8d a5 10 05 00 00 4c 89 e0 48 c1 e8 03 48 b9 00 00 00 00 00 fc
RSP: 0000:ffffc90002e9fae8 EFLAGS: 00000246
RAX: ffffffff81ad6e9b RBX: 0000000000000000 RCX: ffff888026db8000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffff888026db8000 R08: dffffc0000000000 R09: fffff94000397529
R10: fffff94000397529 R11: 1ffffd4000397528 R12: 00fff00000002037
R13: 0000000072ea5025 R14: 0000000000000000 R15: ffff88801686f700
filemap_map_pages+0xe7e/0x1390 mm/filemap.c:3344
do_fault_around mm/memory.c:4243 [inline]
do_read_fault mm/memory.c:4258 [inline]
do_fault mm/memory.c:4392 [inline]
handle_pte_fault mm/memory.c:4650 [inline]
__handle_mm_fault mm/memory.c:4785 [inline]
handle_mm_fault+0x2580/0x43c0 mm/memory.c:4883
do_user_addr_fault+0x489/0xc80 arch/x86/mm/fault.c:1357
handle_page_fault arch/x86/mm/fault.c:1445 [inline]
exc_page_fault+0x60/0x100 arch/x86/mm/fault.c:1501
asm_exc_page_fault+0x22/0x30 arch/x86/include/asm/idtentry.h:606
RIP: 0033:0x7f4f11f64890
Code: 81 e2 00 00 00 f0 74 0a 48 21 c8 48 c1 ea 18 48 31 d0 0f b6 17 84 d2 75 d9 c3 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 <31> f6 e9 29 e6 07 00 66 0f 1f 84 00 00 00 00 00 55 48 89 fd 53 89
RSP: 002b:00007f4f0fe30118 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 00007f4f0fe306c0 RCX: 00007f4f11f7f647
RDX: ffffffffffffffb0 RSI: 0000000000000018 RDI: 00007f4f0fe30130
RBP: 0000000000000000 R08: 00007f4f0fe306c0 R09: 00007ffda03037e7
R10: 0000000000000008 R11: 0000000000000246 R12: ffffffffffffffa8
R13: 000000000000000b R14: 00007ffda0303700 R15: 00007ffda03037e8
----------------
Code disassembly (best guess):
0: 74 08 je 0xa
2: 4c 89 f7 mov %r14,%rdi
5: e8 a9 cb 0f 00 call 0xfcbb3
a: 4d 8b 36 mov (%r14),%r14
d: 41 81 e6 00 00 08 00 and $0x80000,%r14d
14: 31 ff xor %edi,%edi
16: 4c 89 f6 mov %r14,%rsi
19: e8 65 57 ca ff call 0xffca5783
1e: 41 c1 ee 13 shr $0x13,%r14d
22: 65 48 8b 2d 19 01 55 mov %gs:0x7e550119(%rip),%rbp # 0x7e550143
29: 7e
* 2a: 4c 8d a5 10 05 00 00 lea 0x510(%rbp),%r12 <-- trapping instruction
31: 4c 89 e0 mov %r12,%rax
34: 48 c1 e8 03 shr $0x3,%rax
38: 48 rex.W
39: b9 00 00 00 00 mov $0x0,%ecx
3e: 00 fc add %bh,%ah