==================================================================
BUG: KASAN: stack-out-of-bounds in init_module_from_file+0x630/0x6b0
Read of size 8 at addr ffff8880411afe20 by task syz-executor.3/10667

CPU: 0 PID: 10667 Comm: syz-executor.3 Not tainted 6.4.0-next-20230630 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
 <TASK>
 dump_stack_lvl+0x91/0xf0
 print_report+0xcc/0x620
 kasan_report+0xbe/0xf0
 init_module_from_file+0x630/0x6b0
 __x64_sys_finit_module+0xee/0x160
 do_syscall_64+0x3f/0x90
 entry_SYSCALL_64_after_hwframe+0x6e/0xd8
RIP: 0033:0x7fc5b208cb19
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 bc ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fc5af5e1188 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
RAX: ffffffffffffffda RBX: 00007fc5b21a0020 RCX: 00007fc5b208cb19
RDX: 0000000000000001 RSI: 0000000020000180 RDI: 0000000000000005
RBP: 00007fc5b20e6f6d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffe1d6d3c1f R14: 00007fc5af5e1300 R15: 0000000000022000
 </TASK>

The buggy address belongs to the physical page:
page:000000006d3dce1e refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x411af
flags: 0x100000000000000(node=0|zone=1)
page_type: 0xffffffff()
raw: 0100000000000000 0000000000000000 dead000000000122 0000000000000000
raw: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000
page dumped because: kasan: bad access detected

Memory state around the buggy address:
 ffff8880411afd00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 ffff8880411afd80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 f1 f1
>ffff8880411afe00: f1 f1 f1 f1 04 f2 00 00 f2 f2 00 00 00 f3 f3 f3
                               ^
 ffff8880411afe80: f3 f3 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 ffff8880411aff00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
==================================================================
BUG: unable to handle page fault for address: fffffffffffffffa
#PF: supervisor read access in kernel mode
#PF: error_code(0x0000) - not-present page
PGD 5485067 P4D 5485067 PUD 5487067 PMD 0 
Oops: 0000 [#1] PREEMPT SMP KASAN NOPTI
CPU: 0 PID: 10667 Comm: syz-executor.3 Tainted: G    B              6.4.0-next-20230630 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
RIP: 0010:init_module_from_file+0x1cb/0x6b0
Code: 00 4d 89 e7 49 83 ef 08 74 61 e8 50 36 12 00 4c 89 fa 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 80 3c 02 00 0f 85 5d 04 00 00 <4d> 3b 2f 0f 84 ae 00 00 00 e8 27 36 12 00 49 8d 7f 08 48 b8 00 00
RSP: 0018:ffff88800ea4fd28 EFLAGS: 00010246
RAX: dffffc0000000000 RBX: 000000000000003b RCX: ffffc900043e1000
RDX: 1fffffffffffffff RSI: ffffffff813a30f0 RDI: ffff8880411afe28
RBP: ffff88801cb65900 R08: 0000000000000007 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000001 R12: ffff8880411afe28
R13: ffff888008937740 R14: ffffffff87b7be78 R15: fffffffffffffffa
FS:  00007fc5af5e1700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: fffffffffffffffa CR3: 0000000040a56000 CR4: 0000000000350ef0
Call Trace:
 <TASK>
 __x64_sys_finit_module+0xee/0x160
 do_syscall_64+0x3f/0x90
 entry_SYSCALL_64_after_hwframe+0x6e/0xd8
RIP: 0033:0x7fc5b208cb19
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 bc ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fc5af5e1188 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
RAX: ffffffffffffffda RBX: 00007fc5b21a0020 RCX: 00007fc5b208cb19
RDX: 0000000000000001 RSI: 0000000020000180 RDI: 0000000000000005
RBP: 00007fc5b20e6f6d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffe1d6d3c1f R14: 00007fc5af5e1300 R15: 0000000000022000
 </TASK>
Modules linked in:
CR2: fffffffffffffffa
---[ end trace 0000000000000000 ]---
RIP: 0010:init_module_from_file+0x1cb/0x6b0
Code: 00 4d 89 e7 49 83 ef 08 74 61 e8 50 36 12 00 4c 89 fa 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 80 3c 02 00 0f 85 5d 04 00 00 <4d> 3b 2f 0f 84 ae 00 00 00 e8 27 36 12 00 49 8d 7f 08 48 b8 00 00
RSP: 0018:ffff88800ea4fd28 EFLAGS: 00010246
RAX: dffffc0000000000 RBX: 000000000000003b RCX: ffffc900043e1000
RDX: 1fffffffffffffff RSI: ffffffff813a30f0 RDI: ffff8880411afe28
RBP: ffff88801cb65900 R08: 0000000000000007 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000001 R12: ffff8880411afe28
R13: ffff888008937740 R14: ffffffff87b7be78 R15: fffffffffffffffa
FS:  00007fc5af5e1700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: fffffffffffffffa CR3: 0000000040a56000 CR4: 0000000000350ef0
note: syz-executor.3[10667] exited with irqs disabled
note: syz-executor.3[10667] exited with preempt_count 1
----------------
Code disassembly (best guess):
   0:	00 4d 89             	add    %cl,-0x77(%rbp)
   3:	e7 49                	out    %eax,$0x49
   5:	83 ef 08             	sub    $0x8,%edi
   8:	74 61                	je     0x6b
   a:	e8 50 36 12 00       	callq  0x12365f
   f:	4c 89 fa             	mov    %r15,%rdx
  12:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  19:	fc ff df
  1c:	48 c1 ea 03          	shr    $0x3,%rdx
  20:	80 3c 02 00          	cmpb   $0x0,(%rdx,%rax,1)
  24:	0f 85 5d 04 00 00    	jne    0x487
* 2a:	4d 3b 2f             	cmp    (%r15),%r13 <-- trapping instruction
  2d:	0f 84 ae 00 00 00    	je     0xe1
  33:	e8 27 36 12 00       	callq  0x12365f
  38:	49 8d 7f 08          	lea    0x8(%r15),%rdi
  3c:	48                   	rex.W
  3d:	b8                   	.byte 0xb8