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WARNING: CPU: 0 PID: 4180 at mm/maccess.c:226 copy_from_user_nofault+0x160/0x1c0 mm/maccess.c:226
Modules linked in:
CPU: 0 PID: 4180 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 6d 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 f0 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:ffffc90000007d00 EFLAGS: 00010006
RAX: ffffffff819ed660 RBX: 0000000000000000 RCX: ffff88807962bb80
RDX: 0000000000010000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: dffffc0000000000 R09: fffffbfff1ff7a19
R10: fffffbfff1ff7a19 R11: 1ffffffff1ff7a18 R12: ffff88807962d308
R13: dffffc0000000000 R14: ffffc90000007d28 R15: 0000000000000000
FS:  000000c00007e098(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f91bcbb32f8 CR3: 0000000024744000 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_user kernel/trace/bpf_trace.c:166 [inline]
 bpf_probe_read_user+0x26/0x70 kernel/trace/bpf_trace.c:163
 bpf_prog_2903cf4cc3d681d2+0x3a/0x5d8
 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
 __traceiter_tlb_flush+0x69/0xb0 include/trace/events/tlb.h:38
 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:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:161 [inline]
RIP: 0010:_raw_spin_unlock_irqrestore+0xa5/0x100 kernel/locking/spinlock.c:194
Code: 74 05 e8 ae 4b cb f7 48 c7 44 24 20 00 00 00 00 9c 8f 44 24 20 f6 44 24 21 02 75 4b f7 c3 00 02 00 00 74 01 fb bf 01 00 00 00 <e8> 36 d5 9e f7 65 8b 05 17 d3 4f 76 85 c0 74 3c 48 c7 04 24 0e 36
RSP: 0018:ffffc90002e9fb20 EFLAGS: 00000206
RAX: 2168f57b949b6400 RBX: 0000000000000a02 RCX: 2168f57b949b6400
RDX: dffffc0000000000 RSI: ffffffff8a0b1820 RDI: 0000000000000001
RBP: ffffc90002e9fbb0 R08: dffffc0000000000 R09: fffffbfff2c654b9
R10: fffffbfff2c654b9 R11: 1ffffffff2c654b8 R12: dffffc0000000000
R13: ffff8880242f3ba8 R14: ffffffff9632a5c0 R15: 1ffff920005d3f64
 __debug_object_init+0x217/0xa40 lib/debugobjects.c:633
 hrtimer_init_sleeper_on_stack kernel/time/hrtimer.c:435 [inline]
 hrtimer_nanosleep+0x144/0x520 kernel/time/hrtimer.c:2077
 __do_sys_nanosleep kernel/time/hrtimer.c:2114 [inline]
 __se_sys_nanosleep kernel/time/hrtimer.c:2100 [inline]
 __x64_sys_nanosleep+0x229/0x290 kernel/time/hrtimer.c:2100
 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:000000c00005ff18 EFLAGS: 00000202 ORIG_RAX: 0000000000000023
RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 000000000047fad7
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000000c00005ff18
RBP: 000000c00005ff28 R08: 000000000000087e R09: 00251fae2ed46a02
R10: 00000031dfa2d4c3 R11: 0000000000000202 R12: 000000c00005ff18
R13: 000000c00007e008 R14: 000000c000002700 R15: 000000c000002700
 </TASK>
----------------
Code disassembly (best guess):
   0:	74 05                	je     0x7
   2:	e8 ae 4b cb f7       	call   0xf7cb4bb5
   7:	48 c7 44 24 20 00 00 	movq   $0x0,0x20(%rsp)
   e:	00 00
  10:	9c                   	pushf
  11:	8f 44 24 20          	pop    0x20(%rsp)
  15:	f6 44 24 21 02       	testb  $0x2,0x21(%rsp)
  1a:	75 4b                	jne    0x67
  1c:	f7 c3 00 02 00 00    	test   $0x200,%ebx
  22:	74 01                	je     0x25
  24:	fb                   	sti
  25:	bf 01 00 00 00       	mov    $0x1,%edi
* 2a:	e8 36 d5 9e f7       	call   0xf79ed565 <-- trapping instruction
  2f:	65 8b 05 17 d3 4f 76 	mov    %gs:0x764fd317(%rip),%eax        # 0x764fd34d
  36:	85 c0                	test   %eax,%eax
  38:	74 3c                	je     0x76
  3a:	48                   	rex.W
  3b:	c7                   	.byte 0xc7
  3c:	04 24                	add    $0x24,%al
  3e:	0e                   	(bad)
  3f:	36                   	ss