------------[ cut here ]------------
WARNING: CPU: 1 PID: 4181 at mm/maccess.c:226 copy_from_user_nofault+0x160/0x1c0 mm/maccess.c:226
Modules linked in:
CPU: 1 PID: 4181 Comm: syz-execprog Not tainted 5.15.189-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
RIP: 0010:copy_from_user_nofault+0x160/0x1c0 mm/maccess.c:226
Code: 24 45 31 f6 31 ff 89 de e8 ed 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 70 f4 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:ffffc90000dd0d30 EFLAGS: 00010006
RAX: ffffffff819ecfb0 RBX: 0000000000000008 RCX: ffff88802bf7d940
RDX: 0000000000010000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: dffffc0000000000 R09: ffffed10057efb29
R10: ffffed10057efb29 R11: 1ffff110057efb28 R12: ffff88802bf7f0c8
R13: 00007ffffffff000 R14: ffffc90000dd0da8 R15: 0000000020000000
FS:  000000c00007c098(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020000000 CR3: 0000000023838000 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_compat kernel/trace/bpf_trace.c:281 [inline]
 bpf_probe_read_compat+0xdd/0x170 kernel/trace/bpf_trace.c:277
 bpf_prog_bcff4640d6a7c5a9+0x5e/0x488
 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
 </IRQ>
 <TASK>
 asm_sysvec_call_function_single+0x16/0x20 arch/x86/include/asm/idtentry.h:684
RIP: 0010:__hrtimer_init kernel/time/hrtimer.c:1571 [inline]
RIP: 0010:__hrtimer_init_sleeper kernel/time/hrtimer.c:2001 [inline]
RIP: 0010:hrtimer_init_sleeper_on_stack kernel/time/hrtimer.c:436 [inline]
RIP: 0010:hrtimer_nanosleep+0x162/0x520 kernel/time/hrtimer.c:2100
Code: 48 c7 c6 00 a8 0c 8a e8 5c f5 76 02 ba 40 00 00 00 4c 89 ef 31 f6 e8 dd 65 54 00 49 c7 c5 00 a2 02 00 65 4c 03 2d 1e 52 9a 7e <31> ff 89 de e8 35 04 10 00 41 83 e7 01 85 db 44 0f 45 fb bf 10 00
RSP: 0018:ffffc90002ddfd40 EFLAGS: 00000286
RAX: ffffc90002ddfd80 RBX: 0000000000000001 RCX: 0000000000000000
RDX: 0000000000000040 RSI: 0000000000000000 RDI: ffffc90002ddfdc0
RBP: ffffc90002ddfe50 R08: dffffc0000000000 R09: ffffc90002ddfd80
R10: fffff520005bbfb8 R11: 1ffff920005bbfb0 R12: dffffc0000000000
R13: ffff8880b912a200 R14: 000000000000c350 R15: 0000000000000001
 __do_sys_nanosleep kernel/time/hrtimer.c:2137 [inline]
 __se_sys_nanosleep kernel/time/hrtimer.c:2123 [inline]
 __x64_sys_nanosleep+0x229/0x290 kernel/time/hrtimer.c:2123
 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: 0033:0x47fad7
Code: 8b 44 24 20 b9 40 42 0f 00 f7 f1 48 89 04 24 b8 e8 03 00 00 f7 e2 48 89 44 24 08 48 89 e7 be 00 00 00 00 b8 23 00 00 00 0f 05 <48> 83 c4 10 5d c3 cc cc cc b8 ba 00 00 00 0f 05 89 44 24 08 c3 cc
RSP: 002b:000000c00005df18 EFLAGS: 00000202 ORIG_RAX: 0000000000000023
RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 000000000047fad7
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000000c00005df18
RBP: 000000c00005df28 R08: 00000000000008fa R09: 0022ea261c541416
R10: 0000002dc944afa2 R11: 0000000000000202 R12: 000000c00005df18
R13: 000000c00007c008 R14: 000000c000002700 R15: 000000c000002700
 </TASK>
----------------
Code disassembly (best guess):
   0:	48 c7 c6 00 a8 0c 8a 	mov    $0xffffffff8a0ca800,%rsi
   7:	e8 5c f5 76 02       	call   0x276f568
   c:	ba 40 00 00 00       	mov    $0x40,%edx
  11:	4c 89 ef             	mov    %r13,%rdi
  14:	31 f6                	xor    %esi,%esi
  16:	e8 dd 65 54 00       	call   0x5465f8
  1b:	49 c7 c5 00 a2 02 00 	mov    $0x2a200,%r13
  22:	65 4c 03 2d 1e 52 9a 	add    %gs:0x7e9a521e(%rip),%r13        # 0x7e9a5248
  29:	7e
* 2a:	31 ff                	xor    %edi,%edi <-- trapping instruction
  2c:	89 de                	mov    %ebx,%esi
  2e:	e8 35 04 10 00       	call   0x100468
  33:	41 83 e7 01          	and    $0x1,%r15d
  37:	85 db                	test   %ebx,%ebx
  39:	44 0f 45 fb          	cmovne %ebx,%r15d
  3d:	bf                   	.byte 0xbf
  3e:	10 00                	adc    %al,(%rax)