------------[ cut here ]------------
WARNING: CPU: 0 PID: 17932 at mm/maccess.c:226 copy_from_user_nofault+0x160/0x1c0 mm/maccess.c:226
Modules linked in:
CPU: 0 PID: 17932 Comm: syz.7.3650 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
RIP: 0010:copy_from_user_nofault+0x160/0x1c0 mm/maccess.c:226
Code: 24 45 31 f6 31 ff 89 de e8 8d 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 10 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: 0000:ffffc90000007d40 EFLAGS: 00010006
RAX: ffffffff819ed900 RBX: 0000000000000000 RCX: ffff88807b3f1dc0
RDX: 0000000000010000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffffffff8eed3008 R09: ffffffff8eed3018
R10: ffffffff8eed3010 R11: ffffffff8eed3003 R12: ffff88807b3f3548
R13: dffffc0000000000 R14: ffffc90000007da8 R15: 0000000000000000
FS:  00007f63890e16c0(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f638ae11830 CR3: 000000006570e000 CR4: 00000000003506f0
DR0: 0000000000000000 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_user kernel/trace/bpf_trace.c:166 [inline]
 bpf_probe_read_user+0x26/0x70 kernel/trace/bpf_trace.c:163
 bpf_prog_8848bede53a6b60e+0x34/0x3cc
 bpf_dispatcher_nop_func include/linux/bpf.h:888 [inline]
 __bpf_prog_run include/linux/filter.h:621 [inline]
 bpf_prog_run include/linux/filter.h:635 [inline]
 __bpf_trace_run kernel/trace/bpf_trace.c:1878 [inline]
 bpf_trace_run2+0x242/0x2d0 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:instrument_atomic_read_write include/linux/instrumented.h:101 [inline]
RIP: 0010:atomic_try_cmpxchg_acquire include/linux/atomic/atomic-instrumented.h:512 [inline]
RIP: 0010:queued_spin_lock include/asm-generic/qspinlock.h:82 [inline]
RIP: 0010:do_raw_spin_lock+0x113/0x280 kernel/locking/spinlock_debug.c:115
Code: 00 65 8b 0d 17 c8 a4 7e 39 c8 0f 84 ef 00 00 00 c7 44 24 40 00 00 00 00 48 89 df be 04 00 00 00 e8 72 e8 5e 00 48 8d 7c 24 40 <be> 04 00 00 00 e8 63 e8 5e 00 8b 44 24 40 b9 01 00 00 00 f0 0f b1
RSP: 0000:ffffc9000338fa80 EFLAGS: 00000256
RAX: 00000000ffffff01 RBX: ffff888031b40b40 RCX: ffffffff815d4d5e
RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffffc9000338fac0
RBP: ffffc9000338fb30 R08: dffffc0000000000 R09: ffffed1006368169
R10: ffffed1006368169 R11: 1ffff11006368168 R12: ffff888031b40b50
R13: ffff888031b40b48 R14: 1ffff1100636816a R15: 1ffff11006368169
 spin_lock include/linux/spinlock.h:364 [inline]
 filemap_map_pages+0xb7d/0x1390 mm/filemap.c:3324
 do_fault_around mm/memory.c:4243 [inline]
 do_read_fault mm/memory.c:4258 [inline]
 do_fault mm/memory.c:4392 [inline]
 handle_pte_fault mm/memory.c:4650 [inline]
 __handle_mm_fault mm/memory.c:4785 [inline]
 handle_mm_fault+0x257d/0x43b0 mm/memory.c:4883
 do_user_addr_fault+0x489/0xc80 arch/x86/mm/fault.c:1357
 handle_page_fault arch/x86/mm/fault.c:1445 [inline]
 exc_page_fault+0x60/0x100 arch/x86/mm/fault.c:1501
 asm_exc_page_fault+0x22/0x30 arch/x86/include/asm/idtentry.h:606
RIP: 0033:0x7f638ae11830
Code: Unable to access opcode bytes at RIP 0x7f638ae11806.
RSP: 002b:00007f63890e1118 EFLAGS: 00010246
RAX: fffffffffffffeb8 RBX: 00007f63890e16c0 RCX: 00007f638aeaee89
RDX: 00007f63890e1d78 RSI: 0000000000000058 RDI: 00007f63890e16c0
RBP: 0000000000000000 R08: 00007f63890e16c0 R09: 00007ffdcb509057
R10: 0000000000000008 R11: 0000000000000206 R12: ffffffffffffffa8
R13: 000000000000000b R14: 00007ffdcb508f70 R15: 00007ffdcb509058
 </TASK>
----------------
Code disassembly (best guess):
   0:	00 65 8b             	add    %ah,-0x75(%rbp)
   3:	0d 17 c8 a4 7e       	or     $0x7ea4c817,%eax
   8:	39 c8                	cmp    %ecx,%eax
   a:	0f 84 ef 00 00 00    	je     0xff
  10:	c7 44 24 40 00 00 00 	movl   $0x0,0x40(%rsp)
  17:	00
  18:	48 89 df             	mov    %rbx,%rdi
  1b:	be 04 00 00 00       	mov    $0x4,%esi
  20:	e8 72 e8 5e 00       	call   0x5ee897
  25:	48 8d 7c 24 40       	lea    0x40(%rsp),%rdi
* 2a:	be 04 00 00 00       	mov    $0x4,%esi <-- trapping instruction
  2f:	e8 63 e8 5e 00       	call   0x5ee897
  34:	8b 44 24 40          	mov    0x40(%rsp),%eax
  38:	b9 01 00 00 00       	mov    $0x1,%ecx
  3d:	f0                   	lock
  3e:	0f                   	.byte 0xf
  3f:	b1                   	.byte 0xb1