------------[ cut here ]------------
WARNING: CPU: 1 PID: 5336 at mm/maccess.c:226 copy_from_user_nofault+0x160/0x1c0 mm/maccess.c:226
Modules linked in:
CPU: 1 PID: 5336 Comm: syz.0.394 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
RIP: 0010:copy_from_user_nofault+0x160/0x1c0 mm/maccess.c:226
Code: 24 45 31 f6 31 ff 89 de e8 3d f7 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 c0 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: 0018:ffffc90000dd0d40 EFLAGS: 00010006
RAX: ffffffff819ed760 RBX: 0000000000000008 RCX: ffff888020e81dc0
RDX: 0000000000010000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: dffffc0000000000 R09: ffffed100bb57677
R10: ffffed100bb57677 R11: 1ffff1100bb57676 R12: ffff888020e83548
R13: dffffc0000000000 R14: ffffc90000dd0da8 R15: 0000000000000000
FS:  00007f18f47ea6c0(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000008000 CR3: 000000007d473000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 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_1604070e585f43ad+0x5e/0x950
 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
 </IRQ>
 <TASK>
 asm_sysvec_call_function_single+0x16/0x20 arch/x86/include/asm/idtentry.h:684
RIP: 0010:lock_acquire+0x6/0x3f0 kernel/locking/lockdep.c:5591
Code: e9 35 fb ff ff 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 65 8b 05 a1 77 a6 7e a9 00 ff ff 00 0f 95 c0 c3 55 48 89 e5 41 57 <41> 56 41 55 41 54 53 48 83 e4 e0 48 81 ec e0 00 00 00 4c 89 4c 24
RSP: 0018:ffffc90002f0fb98 EFLAGS: 00000246
RAX: 92208aaadba2ec00 RBX: ffff888020e822d0 RCX: 0000000000000001
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff88802ae58128
RBP: ffffc90002f0fba0 R08: 0000000000000001 R09: 0000000000000000
R10: fffff94000124589 R11: 1ffffd4000124588 R12: dffffc0000000000
R13: 0000000000000010 R14: 1ffff110041d045a R15: 0000000000000000
 __might_fault+0xb3/0x110 mm/memory.c:5357
 _copy_from_user+0x29/0x170 lib/usercopy.c:14
 copy_from_user include/linux/uaccess.h:192 [inline]
 generic_map_update_batch+0x4d4/0x7c0 kernel/bpf/syscall.c:1427
 bpf_map_do_batch+0x466/0x600 kernel/bpf/syscall.c:-1
 __sys_bpf+0x601/0x670 kernel/bpf/syscall.c:-1
 __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: 0033:0x7f18f6582ba9
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:00007f18f47ea038 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00007f18f67c9fa0 RCX: 00007f18f6582ba9
RDX: 0000000000000038 RSI: 0000200000000240 RDI: 000000000000001a
RBP: 00007f18f6605e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f18f67ca038 R14: 00007f18f67c9fa0 R15: 00007ffcbab35ff8
 </TASK>
----------------
Code disassembly (best guess):
   0:	e9 35 fb ff ff       	jmp    0xfffffb3a
   5:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   c:	00 00 00
   f:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  14:	65 8b 05 a1 77 a6 7e 	mov    %gs:0x7ea677a1(%rip),%eax        # 0x7ea677bc
  1b:	a9 00 ff ff 00       	test   $0xffff00,%eax
  20:	0f 95 c0             	setne  %al
  23:	c3                   	ret
  24:	55                   	push   %rbp
  25:	48 89 e5             	mov    %rsp,%rbp
  28:	41 57                	push   %r15
* 2a:	41 56                	push   %r14 <-- trapping instruction
  2c:	41 55                	push   %r13
  2e:	41 54                	push   %r12
  30:	53                   	push   %rbx
  31:	48 83 e4 e0          	and    $0xffffffffffffffe0,%rsp
  35:	48 81 ec e0 00 00 00 	sub    $0xe0,%rsp
  3c:	4c                   	rex.WR
  3d:	89                   	.byte 0x89
  3e:	4c                   	rex.WR
  3f:	24                   	.byte 0x24