syzbot


KASAN: invalid-access Read in init_module_from_file

Status: auto-obsoleted due to no activity on 2023/09/16 02:26
Subsystems: modules
[Documentation on labels]
Reported-by: syzbot+e3705186451a87fd93b8@syzkaller.appspotmail.com
First crash: 511d, last: 503d
Cause bisection: failed (error log, bisect log)
  
Fix bisection: fixed by (bisect log) :
commit f1962207150c8b602e980616f04b37ea4e64bb9f
Author: Linus Torvalds <torvalds@linux-foundation.org>
Date: Tue Jul 4 13:37:32 2023 +0000

  module: fix init_module_from_file() error handling

  
Discussions (2)
Title Replies (including bot) Last reply
[syzbot] [modules?] KASAN: invalid-access Read in init_module_from_file 3 (8) 2023/08/14 12:08
[syzbot] Monthly modules report (Jul 2023) 0 (1) 2023/07/19 09:03
Last patch testing requests (11)
Created Duration User Patch Repo Result
2023/09/07 18:06 26m retest repro upstream OK log
2023/09/05 16:36 51m retest repro linux-next OK log
2023/09/05 16:36 24m retest repro linux-next OK log
2023/09/04 23:59 3h15m retest repro upstream OK log
2023/09/04 23:59 30m retest repro upstream OK log
2023/09/04 23:59 22m retest repro upstream OK log
2023/09/04 23:59 25m retest repro upstream OK log
2023/08/22 01:58 27m retest repro upstream OK log
2023/08/22 01:58 27m retest repro upstream OK log
2023/07/24 20:31 22m mcgrof@kernel.org git://git.kernel.org/pub/scm/linux/kernel/git/mcgrof/linux.git 910e230d5f1bb72c54532e94fbb1705095c7bab6 OK log
2023/07/24 19:44 6m mcgrof@kernel.org git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 910e230d5f1bb72c54532e94fbb1705095c7bab6 error
Fix bisection attempts (2)
Created Duration User Patch Repo Result
2023/08/14 06:13 5h53m bisect fix upstream OK (1) job log
2023/08/07 15:41 6h27m bisect fix upstream OK (1) job log
marked invalid by nogikh@google.com

Sample crash report:
general protection fault, probably for non-canonical address 0xe0000bff959ba6d9: 0000 [#1] PREEMPT SMP KASAN
KASAN: probably user-memory-access in range [0x00007ffcacdd36c8-0x00007ffcacdd36cf]
CPU: 0 PID: 5011 Comm: syz-executor180 Not tainted 6.4.0-syzkaller-11312-gb5641a5d8b8b #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023
RIP: 0010:idempotent kernel/module/main.c:3078 [inline]
RIP: 0010:init_module_from_file+0x1c1/0x6a0 kernel/module/main.c:3124
Code: 0f 84 c0 01 00 00 e8 ae f1 12 00 4d 89 e7 49 83 ef 08 74 61 e8 a0 f1 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 59 04 00 00 4d 3b 2f 0f 84 ae 00 00 00 e8 77 f1
RSP: 0018:ffffc90003abfd28 EFLAGS: 00010212
RAX: dffffc0000000000 RBX: 0000000000000048 RCX: 0000000000000000
RDX: 00000fff959ba6d9 RSI: ffffffff8171ed30 RDI: ffffc90003b8fe28
RBP: ffff88807de8a780 R08: 0000000000000001 R09: fffff52000757f97
R10: 0000000000000003 R11: 0000000000000001 R12: ffffc90003b8fe28
R13: ffff888026504c98 R14: ffffffff92149360 R15: 00007ffcacdd36c8
FS:  00007fc57b5c6700(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000200000d0 CR3: 000000002a388000 CR4: 0000000000350ef0
Call Trace:
 <TASK>
 __do_sys_finit_module kernel/module/main.c:3171 [inline]
 __se_sys_finit_module kernel/module/main.c:3154 [inline]
 __x64_sys_finit_module+0xfd/0x190 kernel/module/main.c:3154
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fc57b614879
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 15 00 00 90 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 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fc57b5c6318 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
RAX: ffffffffffffffda RBX: 00007fc57b69c3e8 RCX: 00007fc57b614879
RDX: 0000000000000000 RSI: 00000000200000c0 RDI: 0000000000000003
RBP: 00007fc57b69c3e0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc57b69c3ec
R13: 00007ffcacdd362f R14: 00007fc57b5c6400 R15: 0000000000022000
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:idempotent kernel/module/main.c:3078 [inline]
RIP: 0010:init_module_from_file+0x1c1/0x6a0 kernel/module/main.c:3124
Code: 0f 84 c0 01 00 00 e8 ae f1 12 00 4d 89 e7 49 83 ef 08 74 61 e8 a0 f1 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 59 04 00 00 4d 3b 2f 0f 84 ae 00 00 00 e8 77 f1
RSP: 0018:ffffc90003abfd28 EFLAGS: 00010212
RAX: dffffc0000000000 RBX: 0000000000000048 RCX: 0000000000000000
RDX: 00000fff959ba6d9 RSI: ffffffff8171ed30 RDI: ffffc90003b8fe28
RBP: ffff88807de8a780 R08: 0000000000000001 R09: fffff52000757f97
R10: 0000000000000003 R11: 0000000000000001 R12: ffffc90003b8fe28
R13: ffff888026504c98 R14: ffffffff92149360 R15: 00007ffcacdd36c8
FS:  00007fc57b5c6700(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000200000d0 CR3: 000000002a388000 CR4: 0000000000350ef0
----------------
Code disassembly (best guess):
   0:	0f 84 c0 01 00 00    	je     0x1c6
   6:	e8 ae f1 12 00       	callq  0x12f1b9
   b:	4d 89 e7             	mov    %r12,%r15
   e:	49 83 ef 08          	sub    $0x8,%r15
  12:	74 61                	je     0x75
  14:	e8 a0 f1 12 00       	callq  0x12f1b9
  19:	4c 89 fa             	mov    %r15,%rdx
  1c:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  23:	fc ff df
  26:	48 c1 ea 03          	shr    $0x3,%rdx
* 2a:	80 3c 02 00          	cmpb   $0x0,(%rdx,%rax,1) <-- trapping instruction
  2e:	0f 85 59 04 00 00    	jne    0x48d
  34:	4d 3b 2f             	cmp    (%r15),%r13
  37:	0f 84 ae 00 00 00    	je     0xeb
  3d:	e8                   	.byte 0xe8
  3e:	77 f1                	ja     0x31

Crashes (337):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2023/07/05 01:47 upstream b5641a5d8b8b 17a98177 .config console log report syz C [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root general protection fault in init_module_from_file
2023/07/01 14:47 upstream b25f62ccb490 af3053d2 .config strace log report syz C [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root general protection fault in init_module_from_file
2023/07/01 02:37 upstream 533925cb7604 01298212 .config console log report syz C [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root general protection fault in init_module_from_file
2023/07/01 02:20 upstream 533925cb7604 01298212 .config strace log report syz C [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root general protection fault in init_module_from_file
2023/07/01 01:13 upstream 533925cb7604 01298212 .config strace log report syz C [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root KASAN: stack-out-of-bounds Read in init_module_from_file
2023/07/03 23:38 upstream a901a3568fd2 6e553898 .config strace log report syz C [disk image] [vmlinux] [kernel image] ci-upstream-kasan-badwrites-root general protection fault in init_module_from_file
2023/07/03 19:52 upstream a901a3568fd2 49fef1e5 .config console log report syz C [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream general protection fault in init_module_from_file
2023/07/02 20:47 upstream 995b406c7e97 bfc47836 .config console log report syz C [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root KASAN: vmalloc-out-of-bounds Read in init_module_from_file
2023/06/30 23:09 upstream 533925cb7604 af3053d2 .config console log report syz C [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream general protection fault in init_module_from_file
2023/06/30 21:21 linux-next 6352a698ca5b 01298212 .config strace log report syz C [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root general protection fault in init_module_from_file
2023/06/30 19:32 linux-next 6352a698ca5b 01298212 .config strace log report syz C [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root general protection fault in init_module_from_file
2023/07/05 20:15 upstream 3a8a670eeeaa e8b147c6 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm64-mte KASAN: invalid-access Read in init_module_from_file
2023/06/30 09:29 upstream 3a8a670eeeaa 01298212 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm64-mte KASAN: invalid-access Read in init_module_from_file
2023/07/05 02:52 upstream b5641a5d8b8b 17a98177 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root KASAN: vmalloc-out-of-bounds Read in init_module_from_file
2023/07/05 00:54 upstream b5641a5d8b8b 17a98177 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root KASAN: vmalloc-out-of-bounds Read in init_module_from_file
2023/07/04 23:16 upstream b5641a5d8b8b 17a98177 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root KASAN: vmalloc-out-of-bounds Read in init_module_from_file
2023/07/04 22:32 upstream b5641a5d8b8b 17a98177 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root KASAN: vmalloc-out-of-bounds Read in init_module_from_file
2023/07/04 20:25 upstream b5641a5d8b8b 17a98177 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-badwrites-root KASAN: vmalloc-out-of-bounds Read in init_module_from_file
2023/07/04 19:13 upstream b5641a5d8b8b 17a98177 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-badwrites-root KASAN: vmalloc-out-of-bounds Read in init_module_from_file
2023/07/04 17:51 upstream 24be4d0b46bb 07d54a36 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream general protection fault in init_module_from_file
2023/07/04 17:17 upstream 24be4d0b46bb 07d54a36 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream KASAN: vmalloc-out-of-bounds Read in init_module_from_file
2023/07/04 16:03 upstream 24be4d0b46bb 07d54a36 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream KASAN: vmalloc-out-of-bounds Read in init_module_from_file
2023/07/04 15:01 upstream 24be4d0b46bb 07d54a36 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream KASAN: stack-out-of-bounds Read in init_module_from_file
2023/07/04 12:21 upstream 24be4d0b46bb 6e553898 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root KASAN: vmalloc-out-of-bounds Read in init_module_from_file
2023/07/04 12:10 upstream 24be4d0b46bb 6e553898 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root general protection fault in init_module_from_file
2023/07/04 09:33 upstream 24be4d0b46bb 6e553898 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root KASAN: vmalloc-out-of-bounds Read in init_module_from_file
2023/07/04 08:22 upstream 24be4d0b46bb 6e553898 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root KASAN: vmalloc-out-of-bounds Read in init_module_from_file
2023/07/04 07:10 upstream 24be4d0b46bb 6e553898 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root KASAN: vmalloc-out-of-bounds Read in init_module_from_file
2023/07/04 05:36 upstream 24be4d0b46bb 6e553898 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-badwrites-root KASAN: stack-out-of-bounds Read in init_module_from_file
2023/07/04 05:15 upstream a901a3568fd2 6e553898 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root BUG: unable to handle kernel paging request in init_module_from_file
2023/07/04 01:58 upstream a901a3568fd2 6e553898 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root KASAN: vmalloc-out-of-bounds Read in init_module_from_file
2023/07/04 00:46 upstream a901a3568fd2 6e553898 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root KASAN: stack-out-of-bounds Read in init_module_from_file
2023/07/03 23:38 upstream a901a3568fd2 6e553898 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root KASAN: vmalloc-out-of-bounds Read in init_module_from_file
2023/07/03 22:25 upstream a901a3568fd2 6e553898 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root general protection fault in init_module_from_file
2023/07/03 21:56 upstream a901a3568fd2 6e553898 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root KASAN: vmalloc-out-of-bounds Read in init_module_from_file
2023/07/03 20:55 upstream a901a3568fd2 49fef1e5 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream KASAN: stack-out-of-bounds Read in init_module_from_file
2023/07/03 19:14 upstream a901a3568fd2 49fef1e5 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream KASAN: vmalloc-out-of-bounds Read in init_module_from_file
2023/07/03 18:09 upstream a901a3568fd2 6e553898 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root KASAN: vmalloc-out-of-bounds Read in init_module_from_file
2023/07/03 16:37 upstream a901a3568fd2 6e553898 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root general protection fault in init_module_from_file
2023/07/03 15:16 upstream a901a3568fd2 6e553898 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-badwrites-root KASAN: vmalloc-out-of-bounds Read in init_module_from_file
2023/07/03 10:19 upstream a901a3568fd2 bfc47836 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root KASAN: vmalloc-out-of-bounds Read in init_module_from_file
2023/07/03 09:04 upstream a901a3568fd2 bfc47836 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root BUG: unable to handle kernel paging request in init_module_from_file
2023/07/03 08:12 upstream a901a3568fd2 bfc47836 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root KASAN: vmalloc-out-of-bounds Read in init_module_from_file
2023/07/03 07:06 upstream a901a3568fd2 bfc47836 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root KASAN: vmalloc-out-of-bounds Read in init_module_from_file
2023/07/03 06:05 upstream a901a3568fd2 bfc47836 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream KASAN: stack-out-of-bounds Read in init_module_from_file
2023/07/03 02:02 upstream a901a3568fd2 bfc47836 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root KASAN: stack-out-of-bounds Read in init_module_from_file
2023/07/03 00:44 upstream 995b406c7e97 bfc47836 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root general protection fault in init_module_from_file
2023/07/02 22:05 upstream 995b406c7e97 bfc47836 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root KASAN: vmalloc-out-of-bounds Read in init_module_from_file
2023/07/02 20:08 upstream 995b406c7e97 bfc47836 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root KASAN: stack-out-of-bounds Read in init_module_from_file
2023/07/02 16:26 upstream 995b406c7e97 bfc47836 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root KASAN: vmalloc-out-of-bounds Read in init_module_from_file
2023/07/02 14:25 upstream 995b406c7e97 bfc47836 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream KASAN: stack-out-of-bounds Read in init_module_from_file
2023/07/02 12:47 upstream dfab92f27c60 bfc47836 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream KASAN: stack-out-of-bounds Write in init_module_from_file
2023/07/02 12:34 upstream dfab92f27c60 bfc47836 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream KASAN: vmalloc-out-of-bounds Read in init_module_from_file
2023/07/02 11:16 upstream dfab92f27c60 bfc47836 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream KASAN: vmalloc-out-of-bounds Read in init_module_from_file
2023/07/02 09:46 upstream f8566aa4f176 bfc47836 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root general protection fault in init_module_from_file
2023/07/04 14:01 upstream 24be4d0b46bb 07d54a36 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 KASAN: stack-out-of-bounds Read in init_module_from_file
2023/07/04 10:48 upstream 24be4d0b46bb 07d54a36 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 KASAN: vmalloc-out-of-bounds Read in init_module_from_file
2023/07/03 12:35 upstream a901a3568fd2 49fef1e5 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 KASAN: stack-out-of-bounds Read in init_module_from_file
2023/07/03 11:33 upstream a901a3568fd2 49fef1e5 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 KASAN: stack-out-of-bounds Read in init_module_from_file
2023/07/03 04:19 upstream a901a3568fd2 bfc47836 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 KASAN: out-of-bounds Read in init_module_from_file
2023/07/03 19:12 linux-next 296d53d8f84c 6e553898 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root KASAN: slab-out-of-bounds Read in init_module_from_file
2023/07/03 04:39 linux-next 296d53d8f84c bfc47836 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root KASAN: slab-out-of-bounds Read in init_module_from_file
2023/07/02 18:42 linux-next 6352a698ca5b bfc47836 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root BUG: unable to handle kernel paging request in init_module_from_file
2023/07/02 17:35 linux-next 6352a698ca5b bfc47836 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root BUG: unable to handle kernel paging request in init_module_from_file
2023/07/02 15:15 linux-next 6352a698ca5b bfc47836 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root KASAN: vmalloc-out-of-bounds Read in init_module_from_file
2023/07/08 02:26 git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux.git fixes 533925cb7604 668cb1fa .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-riscv64 KASAN: vmalloc-out-of-bounds Read in init_module_from_file
2023/07/07 03:24 git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux.git fixes 533925cb7604 22ae5830 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-riscv64 KASAN: vmalloc-out-of-bounds Read in init_module_from_file
2023/07/06 14:30 git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux.git fixes 533925cb7604 1a2f6297 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-riscv64 KASAN: vmalloc-out-of-bounds Read in init_module_from_file
2023/07/06 07:21 git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux.git fixes 533925cb7604 ba5dba36 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-riscv64 KASAN: vmalloc-out-of-bounds Read in init_module_from_file
2023/07/05 14:45 git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux.git fixes 533925cb7604 e8b147c6 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-riscv64 KASAN: vmalloc-out-of-bounds Read in init_module_from_file
* Struck through repros no longer work on HEAD.