------------[ cut here ]------------
WARNING: CPU: 0 PID: 0 at mm/maccess.c:226 copy_from_user_nofault+0x15c/0x1c0 mm/maccess.c:-1
Modules linked in:
CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.15.180-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
RIP: 0010:copy_from_user_nofault+0x15c/0x1c0 mm/maccess.c:226
Code: db 48 c7 c0 f2 ff ff ff 48 0f 44 c5 eb 0c e8 2b b0 d5 ff 48 c7 c0 f2 ff ff ff 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 14 b0 d5 ff <0f> 0b e9 1e ff ff ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c ef fe ff
RSP: 0018:ffffc90000007c08 EFLAGS: 00010006
RAX: ffffffff81aaedcc RBX: 0000000000000000 RCX: ffffffff8c8bd680
RDX: 0000000000010000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: dffffc0000000000 R08: ffffffff81aaecdd R09: fffffbfff1917ad1
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000020000000
R13: 0000000000000008 R14: 0000000020000000 R15: ffffc90000007c88
FS: 0000000000000000(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020000000 CR3: 000000000c88e000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
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+0xe4/0x180 kernel/trace/bpf_trace.c:277
bpf_prog_bcff4640d6a7c5a9+0x5e/0x750
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+0x19e/0x340 kernel/trace/bpf_trace.c:1915
__traceiter_tlb_flush+0x6c/0xc0 include/trace/events/tlb.h:38
trace_tlb_flush+0xed/0x110 include/trace/events/tlb.h:38
switch_mm_irqs_off+0x748/0xa30 arch/x86/mm/tlb.c:-1
flush_tlb_func+0x208/0x590 arch/x86/mm/tlb.c:769
flush_smp_call_function_queue+0x2b5/0x760 kernel/smp.c:628
__sysvec_call_function_single+0x9a/0x250 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:default_idle+0xb/0x10 arch/x86/kernel/process.c:723
Code: 07 80 c1 03 38 c1 7c b5 4c 89 e7 e8 1f f3 80 f7 eb ab e8 88 80 f6 ff cc cc cc cc cc cc cc cc 66 90 0f 00 2d 17 3d 5c 00 fb f4 0f 1f 40 00 41 57 41 56 53 49 be 00 00 00 00 00 fc ff df 65 48
RSP: 0018:ffffffff8c807da8 EFLAGS: 000002c2
RAX: 06b4c807f1081600 RBX: ffffffff8c8bd680 RCX: 0000000000006fc2
RDX: 0000000000000001 RSI: ffffffff8aab2b60 RDI: ffffffff8af9fc80
RBP: ffffffff8c807ef8 R08: dffffc0000000000 R09: ffffed10171c765a
R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffffffff1900fce
R13: 1ffffffff1917ad0 R14: 0000000000000000 R15: dffffc0000000000
default_idle_call+0x81/0xc0 kernel/sched/idle.c:112
cpuidle_idle_call kernel/sched/idle.c:194 [inline]
do_idle+0x271/0x670 kernel/sched/idle.c:306
cpu_startup_entry+0x14/0x20 kernel/sched/idle.c:403
start_kernel+0x48c/0x540 init/main.c:1140
secondary_startup_64_no_verify+0xb1/0xbb
----------------
Code disassembly (best guess), 1 bytes skipped:
0: 80 c1 03 add $0x3,%cl
3: 38 c1 cmp %al,%cl
5: 7c b5 jl 0xffffffbc
7: 4c 89 e7 mov %r12,%rdi
a: e8 1f f3 80 f7 call 0xf780f32e
f: eb ab jmp 0xffffffbc
11: e8 88 80 f6 ff call 0xfff6809e
16: cc int3
17: cc int3
18: cc int3
19: cc int3
1a: cc int3
1b: cc int3
1c: cc int3
1d: cc int3
1e: 66 90 xchg %ax,%ax
20: 0f 00 2d 17 3d 5c 00 verw 0x5c3d17(%rip) # 0x5c3d3e
27: fb sti
28: f4 hlt
* 29: c3 ret <-- trapping instruction
2a: 0f 1f 40 00 nopl 0x0(%rax)
2e: 41 57 push %r15
30: 41 56 push %r14
32: 53 push %rbx
33: 49 be 00 00 00 00 00 movabs $0xdffffc0000000000,%r14
3a: fc ff df
3d: 65 gs
3e: 48 rex.W