------------[ cut here ]------------
WARNING: CPU: 1 PID: 12238 at mm/maccess.c:226 copy_from_user_nofault+0x160/0x1c0 mm/maccess.c:226
Modules linked in:
CPU: 1 PID: 12238 Comm: syz.5.1957 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
RIP: 0010:copy_from_user_nofault+0x160/0x1c0 mm/maccess.c:226
Code: 24 45 31 f6 31 ff 89 de e8 dd 99 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 60 96 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:ffffc90000dd0918 EFLAGS: 00010006
RAX: ffffffff81a05c40 RBX: 0000000000000008 RCX: ffff88801bba0000
RDX: 0000000000010000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffff88801bba0007 R09: 1ffff11003774000
R10: dffffc0000000000 R11: ffffed1003774001 R12: ffff88801bba1788
R13: 00007ffffffff000 R14: ffffc90000dd0988 R15: 0000000020000000
FS:  00007f08eeb7b6c0(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000100000000 CR3: 0000000067733000 CR4: 00000000003506e0
DR0: 0000200000000300 DR1: 0000200000000300 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
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_ceda4e53fcf21ae1+0x3e/0x24c
 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_overflow_handler+0x1c2/0x4a0 kernel/events/core.c:10297
 __perf_event_overflow+0x35f/0x550 kernel/events/core.c:9515
 perf_swevent_hrtimer+0x3c2/0x550 kernel/events/core.c:10934
 __run_hrtimer kernel/time/hrtimer.c:1685 [inline]
 __hrtimer_run_queues+0x4b0/0xb60 kernel/time/hrtimer.c:1749
 hrtimer_interrupt+0x397/0x8b0 kernel/time/hrtimer.c:1811
 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:get_current arch/x86/include/asm/current.h:15 [inline]
RIP: 0010:write_comp_data kernel/kcov.c:226 [inline]
RIP: 0010:__sanitizer_cov_trace_const_cmp8+0x4/0x80 kernel/kcov.c:300
Code: 77 22 89 ff 89 f6 4a c7 44 02 08 05 00 00 00 4a 89 7c 02 10 4a 89 74 02 18 4a 89 44 02 20 48 ff c1 48 89 0a c3 90 48 8b 04 24 <65> 48 8b 0d 34 79 89 7e 65 8b 15 35 79 89 7e 81 e2 00 01 ff 00 74
RSP: 0018:ffffc90002f3fee0 EFLAGS: 00000246
RAX: ffffffff81cd50ce RBX: ffff88804c898781 RCX: ffff88801bba0000
RDX: 0000000000000002 RSI: 0000000000000001 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffff8880760ee557 R09: 1ffff1100ec1dcaa
R10: dffffc0000000000 R11: ffffed100ec1dcab R12: 0000000000000000
R13: 00000000fffffdfd R14: ffff88804c898780 R15: 0000000000000000
 fdput include/linux/file.h:46 [inline]
 __do_sys_ioctl fs/ioctl.c:877 [inline]
 __se_sys_ioctl+0x13e/0x170 fs/ioctl.c:860
 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: 0033:0x7f08f0921e59
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f08eeb7b028 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f08f0b9afa0 RCX: 00007f08f0921e59
RDX: 0000000000000006 RSI: 0000000040042408 RDI: 0000000000000007
RBP: 00007f08f09b7e6f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f08f0b9b038 R14: 00007f08f0b9afa0 R15: 00007ffe318deff8
 </TASK>
----------------
Code disassembly (best guess):
   0:	77 22                	ja     0x24
   2:	89 ff                	mov    %edi,%edi
   4:	89 f6                	mov    %esi,%esi
   6:	4a c7 44 02 08 05 00 	movq   $0x5,0x8(%rdx,%r8,1)
   d:	00 00
   f:	4a 89 7c 02 10       	mov    %rdi,0x10(%rdx,%r8,1)
  14:	4a 89 74 02 18       	mov    %rsi,0x18(%rdx,%r8,1)
  19:	4a 89 44 02 20       	mov    %rax,0x20(%rdx,%r8,1)
  1e:	48 ff c1             	inc    %rcx
  21:	48 89 0a             	mov    %rcx,(%rdx)
  24:	c3                   	ret
  25:	90                   	nop
  26:	48 8b 04 24          	mov    (%rsp),%rax
* 2a:	65 48 8b 0d 34 79 89 	mov    %gs:0x7e897934(%rip),%rcx        # 0x7e897966 <-- trapping instruction
  31:	7e
  32:	65 8b 15 35 79 89 7e 	mov    %gs:0x7e897935(%rip),%edx        # 0x7e89796e
  39:	81 e2 00 01 ff 00    	and    $0xff0100,%edx
  3f:	74                   	.byte 0x74