------------[ cut here ]------------
WARNING: CPU: 1 PID: 4618 at mm/maccess.c:226 copy_from_user_nofault+0x160/0x1c0 mm/maccess.c:226
Modules linked in:
CPU: 1 PID: 4618 Comm: dhcpcd-run-hook Not tainted 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 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 70 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:ffffc90000dd0ba0 EFLAGS: 00010006
RAX: ffffffff819ed740 RBX: 0000000000000008 RCX: ffff888028de5940
RDX: 0000000000010000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: dffffc0000000000 R09: fffffbfff1ff7619
R10: fffffbfff1ff7619 R11: 1ffffffff1ff7618 R12: ffff888028de70c8
R13: dffffc0000000000 R14: ffffc90000dd0c08 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fbefe23a6b0 CR3: 000000005dbcf000 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_02073d59a3c0f06f+0x3d/0x3e8
 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_hrtimer_start include/trace/events/timer.h:199 [inline]
 debug_activate kernel/time/hrtimer.c:466 [inline]
 enqueue_hrtimer+0x314/0x370 kernel/time/hrtimer.c:1074
 __run_hrtimer kernel/time/hrtimer.c:1707 [inline]
 __hrtimer_run_queues+0x65a/0xc40 kernel/time/hrtimer.c:1754
 hrtimer_interrupt+0x3bb/0x8d0 kernel/time/hrtimer.c:1816
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1097 [inline]
 __sysvec_apic_timer_interrupt+0x137/0x4a0 arch/x86/kernel/apic/apic.c:1114
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1108 [inline]
 sysvec_apic_timer_interrupt+0x9b/0xc0 arch/x86/kernel/apic/apic.c:1108
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:676
RIP: 0010:__mmput+0x31f/0x3b0 kernel/fork.c:1136
Code: 4d 8b 36 4d 85 f6 74 29 e8 1e 89 31 00 49 83 c6 10 4c 89 f0 48 c1 e8 03 42 80 3c 28 00 74 08 4c 89 f7 e8 34 ef 75 00 49 8b 3e <e8> 9c 8e 26 00 eb 05 e8 f5 88 31 00 48 8d 7b 60 be 04 00 00 00 e8
RSP: 0018:ffffc9000311f968 EFLAGS: 00000246
RAX: 1ffffffff1847216 RBX: ffff88802346d400 RCX: ffff888028de5940
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 1ffff1100468daaa R08: dffffc0000000000 R09: ffffed100ef82150
R10: ffffed100ef82150 R11: 1ffff1100ef8214f R12: 1ffff1100468db3d
R13: dffffc0000000000 R14: ffffffff8c2390b0 R15: ffff888016c2e650
 exec_mmap+0x4d1/0x5c0 fs/exec.c:1035
 begin_new_exec+0x7e8/0x1160 fs/exec.c:1293
 load_elf_binary+0x98e/0x2890 fs/binfmt_elf.c:1001
 search_binary_handler fs/exec.c:1742 [inline]
 exec_binprm fs/exec.c:1783 [inline]
 bprm_execve+0xa92/0x17d0 fs/exec.c:1852
 do_execveat_common+0x51e/0x6d0 fs/exec.c:1957
 do_execve fs/exec.c:2027 [inline]
 __do_sys_execve fs/exec.c:2103 [inline]
 __se_sys_execve fs/exec.c:2098 [inline]
 __x64_sys_execve+0x8e/0xa0 fs/exec.c:2098
 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: 0033:0x7f4b0b02b107
Code: Unable to access opcode bytes at RIP 0x7f4b0b02b0dd.
RSP: 002b:00007ffe0f73e748 EFLAGS: 00000246 ORIG_RAX: 000000000000003b
RAX: ffffffffffffffda RBX: 000055d71b037078 RCX: 00007f4b0b02b107
RDX: 000055d71b0370a0 RSI: 000055d71b037078 RDI: 000055d71b037130
RBP: 000055d71b037130 R08: 00007ffe0f742eb9 R09: 0000000000000000
R10: 0000000000000008 R11: 0000000000000246 R12: 000055d71b0370a0
R13: 00007f4b0b1f0e8b R14: 000055d71b0370a0 R15: 0000000000000000
 </TASK>
----------------
Code disassembly (best guess):
   0:	4d 8b 36             	mov    (%r14),%r14
   3:	4d 85 f6             	test   %r14,%r14
   6:	74 29                	je     0x31
   8:	e8 1e 89 31 00       	call   0x31892b
   d:	49 83 c6 10          	add    $0x10,%r14
  11:	4c 89 f0             	mov    %r14,%rax
  14:	48 c1 e8 03          	shr    $0x3,%rax
  18:	42 80 3c 28 00       	cmpb   $0x0,(%rax,%r13,1)
  1d:	74 08                	je     0x27
  1f:	4c 89 f7             	mov    %r14,%rdi
  22:	e8 34 ef 75 00       	call   0x75ef5b
  27:	49 8b 3e             	mov    (%r14),%rdi
* 2a:	e8 9c 8e 26 00       	call   0x268ecb <-- trapping instruction
  2f:	eb 05                	jmp    0x36
  31:	e8 f5 88 31 00       	call   0x31892b
  36:	48 8d 7b 60          	lea    0x60(%rbx),%rdi
  3a:	be 04 00 00 00       	mov    $0x4,%esi
  3f:	e8                   	.byte 0xe8