------------[ cut here ]------------
WARNING: CPU: 0 PID: 4182 at mm/maccess.c:226 copy_from_user_nofault+0x160/0x1c0 mm/maccess.c:226
Modules linked in:
CPU: 0 PID: 4182 Comm: syz-execprog 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:ffffc90000007d30 EFLAGS: 00010006
RAX: ffffffff819ed760 RBX: 0000000000000000 RCX: ffff88807b14d940
RDX: 0000000000010000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: dffffc0000000000 R09: ffffed100f629b29
R10: ffffed100f629b29 R11: 1ffff1100f629b28 R12: ffff88807b14f0c8
R13: 00007ffffffff000 R14: ffffc90000007da8 R15: 0000000000000000
FS:  000000c00007c098(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b31863fff CR3: 0000000023320000 CR4: 00000000003506f0
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_f3c4d654356a1293+0x34/0x1ac
 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:do_nanosleep+0x138/0x760 kernel/time/hrtimer.c:-1
Code: 54 24 10 4c 89 74 24 58 48 8b 44 24 40 42 80 3c 28 00 74 0f 48 8b 7c 24 10 e8 04 17 0a f8 48 8b 54 24 10 48 c7 02 96 1c b2 89 <48> 8b 5c 24 48 48 89 df be 04 00 00 00 e8 06 18 0a f8 b8 01 00 00
RSP: 0018:ffffc9000268fc20 EFLAGS: 00000246
RAX: 1ffff1100f629e18 RBX: 0000000000011170 RCX: 1ffff920004d1fb8
RDX: ffff88807b14f0c0 RSI: 1ffff920004d1fb4 RDI: ffff88807b14d940
RBP: ffffc9000268fd30 R08: 1ffff1100f629b2d R09: ffffc9000268fd80
R10: fffff520004d1fb8 R11: 1ffff920004d1fb0 R12: 0000000000000001
R13: dffffc0000000000 R14: ffffc9000268fda0 R15: ffffc9000268fd80
 hrtimer_nanosleep+0x2f7/0x520 kernel/time/hrtimer.c:2102
 __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: 0000000000000ac1 R09: 00193a81163da106
R10: 0000003a14ba462e R11: 0000000000000202 R12: 000000c00005df18
R13: 000000c00007c008 R14: 000000c000002700 R15: 000000c000002700
 </TASK>
----------------
Code disassembly (best guess):
   0:	54                   	push   %rsp
   1:	24 10                	and    $0x10,%al
   3:	4c 89 74 24 58       	mov    %r14,0x58(%rsp)
   8:	48 8b 44 24 40       	mov    0x40(%rsp),%rax
   d:	42 80 3c 28 00       	cmpb   $0x0,(%rax,%r13,1)
  12:	74 0f                	je     0x23
  14:	48 8b 7c 24 10       	mov    0x10(%rsp),%rdi
  19:	e8 04 17 0a f8       	call   0xf80a1722
  1e:	48 8b 54 24 10       	mov    0x10(%rsp),%rdx
  23:	48 c7 02 96 1c b2 89 	movq   $0xffffffff89b21c96,(%rdx)
* 2a:	48 8b 5c 24 48       	mov    0x48(%rsp),%rbx <-- trapping instruction
  2f:	48 89 df             	mov    %rbx,%rdi
  32:	be 04 00 00 00       	mov    $0x4,%esi
  37:	e8 06 18 0a f8       	call   0xf80a1842
  3c:	b8                   	.byte 0xb8
  3d:	01 00                	add    %eax,(%rax)