------------[ cut here ]------------
WARNING: CPU: 0 PID: 7991 at mm/maccess.c:226 copy_from_user_nofault+0x160/0x1c0 mm/maccess.c:226
Modules linked in:
CPU: 0 PID: 7991 Comm: syz.5.862 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
RIP: 0010:copy_from_user_nofault+0x160/0x1c0 mm/maccess.c:226
Code: 24 45 31 f6 31 ff 89 de e8 8d f6 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 10 f3 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: 0000:ffffc90000007d38 EFLAGS: 00010006
RAX: ffffffff819ed900 RBX: 0000000000000008 RCX: ffff888079d65940
RDX: 0000000000010000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: dffffc0000000000 R09: fffffbfff1ff7c19
R10: fffffbfff1ff7c19 R11: 1ffffffff1ff7c18 R12: ffff888079d670c8
R13: dffffc0000000000 R14: ffffc90000007da8 R15: 0000000000000000
FS: 00007f8adc1706c0(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f8addea0830 CR3: 000000001f6db000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 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_user kernel/trace/bpf_trace.c:166 [inline]
bpf_probe_read_user+0x26/0x70 kernel/trace/bpf_trace.c:163
bpf_prog_f3e5fe856b9a9160+0x5b/0x628
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_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:debug_lockdep_rcu_enabled+0x0/0x30 kernel/rcu/update.c:279
Code: 5d c0 03 00 75 e8 48 c7 c7 00 1b 0b 8a 48 c7 c6 80 3f 0b 8a e8 71 34 f5 ff 0f 0b eb d1 00 00 cc cc 00 00 cc cc 00 00 cc cc 00 <31> c0 83 3d ab 2a c0 03 00 74 1d 83 3d 22 5d c0 03 00 74 14 65 48
RSP: 0000:ffffc90002f2fa98 EFLAGS: 00000246
RAX: 1ffff11028fc8136 RBX: ffffea0001cd9e00 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000040
RBP: dffffc0000000000 R08: dffffc0000000000 R09: fffff9400039b3c7
R10: fffff9400039b3c7 R11: 1ffffd400039b3c6 R12: ffff888074ed0ec8
R13: 1ffff920005e5f80 R14: ffff888147e40840 R15: ffffc90002f2fc00
xa_entry include/linux/xarray.h:1197 [inline]
xas_reload+0xd5/0x470 include/linux/xarray.h:1573
next_uptodate_page+0x2a5/0x8b0 mm/filemap.c:3259
next_map_page mm/filemap.c:3296 [inline]
filemap_map_pages+0xebd/0x1390 mm/filemap.c:3352
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+0x257d/0x43b0 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: 0033:0x7f8addea0830
Code: 84 00 00 00 00 00 0f 1f 40 00 48 c7 c0 b0 ff ff ff 64 48 03 04 25 00 00 00 00 c3 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 <48> c7 c0 50 fe ff ff 48 c7 c1 c0 ff ff ff 64 48 8b 00 48 8b 00 48
RSP: 002b:00007f8adc170118 EFLAGS: 00010246
RAX: fffffffffffffeb8 RBX: 00007f8adc1706c0 RCX: 00007f8addf3de89
RDX: 00007f8adc170d78 RSI: 0000000000000058 RDI: 00007f8adc1706c0
RBP: 0000000000000000 R08: 00007f8adc1706c0 R09: 00007ffcec9ed847
R10: 0000000000000008 R11: 0000000000000206 R12: ffffffffffffffa8
R13: 000000000000000b R14: 00007ffcec9ed760 R15: 00007ffcec9ed848