kernel BUG in ntfs_read_folio

From: Dipanjan Das
Date: Wed Jul 20 2022 - 22:25:07 EST

Hi,

We would like to report the following bug which has been found by our
modified version of syzkaller.

======================================================
description: kernel BUG in ntfs_read_folio
affected file: fs/ntfs/aops.c
kernel version: 5.19-rc6
kernel commit: 32346491ddf24599decca06190ebca03ff9de7f8
git tree: upstream
kernel config: https://syzkaller.appspot.com/text?tag=KernelConfig&x=cd73026ceaed1402
crash reproducer: attached
======================================================
Crash log:
======================================================
kernel BUG at fs/ntfs/aops.c:186!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 6070 Comm: syz-executor.3 Tainted: G OE
5.19.0-rc6-g2eae0556bb9d #2
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS
1.13.0-1ubuntu1.1 04/01/2014
RIP: 0010:ntfs_read_block fs/ntfs/aops.c:186 [inline]
RIP: 0010:ntfs_read_folio+0x306a/0x4250 fs/ntfs/aops.c:436
Code: 00 48 8b 44 24 18 31 ff 48 8b 98 30 fd ff ff 48 c1 eb 03 83 e3
01 89 de e8 23 cd d8 fe 84 db 0f 85 60 e8 ff ff e8 f6 cb d8 fe <0f> 0b
e8 ef cb d8 fe 48 c7 c6 a0 f5 00 8a 4c 89 ff e8 a0 87 0e ff
RSP: 0018:ffffc9001de2f848 EFLAGS: 00010212
RAX: 0000000000005c9f RBX: 0000000000000000 RCX: 0000000000040000
RDX: ffffc90002a91000 RSI: ffff888038f40000 RDI: 0000000000000002
RBP: ffff8880195f4250 R08: ffffffff82a204ca R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000001 R12: ffff8880195f4250
R13: ffffea0002024220 R14: fffff94000404841 R15: ffffea0002024200
FS: 00007f223e52d700(0000) GS:ffff888135c00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fe2f01b0000 CR3: 000000008d587000 CR4: 0000000000150ee0
Call Trace:
<TASK>
do_read_cache_folio+0x213/0x6c0 mm/filemap.c:3524
do_read_cache_page mm/filemap.c:3602 [inline]
read_cache_page+0x62/0x2b0 mm/filemap.c:3611
read_mapping_page include/linux/pagemap.h:759 [inline]
ntfs_map_page fs/ntfs/aops.h:75 [inline]
map_mft_record_page fs/ntfs/mft.c:73 [inline]
map_mft_record+0x1db/0x10c0 fs/ntfs/mft.c:156
ntfs_read_locked_inode+0x19c/0x5ab0 fs/ntfs/inode.c:550
ntfs_read_inode_mount+0xd72/0x2480 fs/ntfs/inode.c:2091
ntfs_fill_super+0x16ce/0x3520 fs/ntfs/super.c:2854
mount_bdev+0x34d/0x410 fs/super.c:1367
legacy_get_tree+0x105/0x220 fs/fs_context.c:610
vfs_get_tree+0x89/0x2f0 fs/super.c:1497
do_new_mount fs/namespace.c:3040 [inline]
path_mount+0x1228/0x1cb0 fs/namespace.c:3370
do_mount+0xf3/0x110 fs/namespace.c:3383
__do_sys_mount fs/namespace.c:3591 [inline]
__se_sys_mount fs/namespace.c:3568 [inline]
__x64_sys_mount+0x18f/0x230 fs/namespace.c:3568
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x46/0xb0
RIP: 0033:0x7f223d48fe8e
Code: 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f
84 00 00 00 00 00 90 f3 0f 1e fa 49 89 ca b8 a5 00 00 00 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:00007f223e52c9f8 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 00007f223d48fe8e
RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007f223e52ca50
RBP: 00007f223e52ca90 R08: 00007f223e52ca90 R09: 0000000020000000
R10: 0000000000000000 R11: 0000000000000202 R12: 0000000020000000
R13: 0000000020000100 R14: 00007f223e52ca50 R15: 0000000020086400
</TASK>
Modules linked in: uio_ivshmem(OE) uio(E)
---[ end trace 0000000000000000 ]---
RIP: 0010:ntfs_read_block fs/ntfs/aops.c:186 [inline]
RIP: 0010:ntfs_read_folio+0x306a/0x4250 fs/ntfs/aops.c:436
Code: 00 48 8b 44 24 18 31 ff 48 8b 98 30 fd ff ff 48 c1 eb 03 83 e3
01 89 de e8 23 cd d8 fe 84 db 0f 85 60 e8 ff ff e8 f6 cb d8 fe <0f> 0b
e8 ef cb d8 fe 48 c7 c6 a0 f5 00 8a 4c 89 ff e8 a0 87 0e ff
RSP: 0018:ffffc9001de2f848 EFLAGS: 00010212
RAX: 0000000000005c9f RBX: 0000000000000000 RCX: 0000000000040000
RDX: ffffc90002a91000 RSI: ffff888038f40000 RDI: 0000000000000002
RBP: ffff8880195f4250 R08: ffffffff82a204ca R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000001 R12: ffff8880195f4250
R13: ffffea0002024220 R14: fffff94000404841 R15: ffffea0002024200
FS: 00007f223e52d700(0000) GS:ffff888063c00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f67d6e60c30 CR3: 000000008d587000 CR4: 0000000000150ef0

--
Thanks and Regards,

Dipanjan
// autogenerated by syzkaller (https://github.com/google/syzkaller)

#define _GNU_SOURCE

#include <endian.h>
#include <errno.h>
#include <fcntl.h>
#include <stddef.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/ioctl.h>
#include <sys/mount.h>
#include <sys/stat.h>
#include <sys/syscall.h>
#include <sys/types.h>
#include <unistd.h>

#include <linux/loop.h>

#ifndef __NR_memfd_create
#define __NR_memfd_create 319
#endif

static unsigned long long procid;

struct fs_image_segment {
void* data;
uintptr_t size;
uintptr_t offset;
};

#define IMAGE_MAX_SEGMENTS 4096
#define IMAGE_MAX_SIZE (129 << 20)

static unsigned long fs_image_segment_check(unsigned long size, unsigned long nsegs, struct fs_image_segment* segs)
{
if (nsegs > IMAGE_MAX_SEGMENTS)
nsegs = IMAGE_MAX_SEGMENTS;
for (size_t i = 0; i < nsegs; i++) {
if (segs[i].size > IMAGE_MAX_SIZE)
segs[i].size = IMAGE_MAX_SIZE;
segs[i].offset %= IMAGE_MAX_SIZE;
if (segs[i].offset > IMAGE_MAX_SIZE - segs[i].size)
segs[i].offset = IMAGE_MAX_SIZE - segs[i].size;
if (size < segs[i].offset + segs[i].offset)
size = segs[i].offset + segs[i].offset;
}
if (size > IMAGE_MAX_SIZE)
size = IMAGE_MAX_SIZE;
return size;
}
static int setup_loop_device(long unsigned size, long unsigned nsegs, struct fs_image_segment* segs, const char* loopname, int* memfd_p, int* loopfd_p)
{
int err = 0, loopfd = -1;
size = fs_image_segment_check(size, nsegs, segs);
int memfd = syscall(__NR_memfd_create, "syzkaller", 0);
if (memfd == -1) {
err = errno;
goto error;
}
if (ftruncate(memfd, size)) {
err = errno;
goto error_close_memfd;
}
for (size_t i = 0; i < nsegs; i++) {
if (pwrite(memfd, segs[i].data, segs[i].size, segs[i].offset) < 0) {
}
}
loopfd = open(loopname, O_RDWR);
if (loopfd == -1) {
err = errno;
goto error_close_memfd;
}
if (ioctl(loopfd, LOOP_SET_FD, memfd)) {
if (errno != EBUSY) {
err = errno;
goto error_close_loop;
}
ioctl(loopfd, LOOP_CLR_FD, 0);
usleep(1000);
if (ioctl(loopfd, LOOP_SET_FD, memfd)) {
err = errno;
goto error_close_loop;
}
}
*memfd_p = memfd;
*loopfd_p = loopfd;
return 0;

error_close_loop:
close(loopfd);
error_close_memfd:
close(memfd);
error:
errno = err;
return -1;
}

static long syz_mount_image(volatile long fsarg, volatile long dir, volatile unsigned long size, volatile unsigned long nsegs, volatile long segments, volatile long flags, volatile long optsarg)
{
struct fs_image_segment* segs = (struct fs_image_segment*)segments;
int res = -1, err = 0, loopfd = -1, memfd = -1, need_loop_device = !!segs;
char* mount_opts = (char*)optsarg;
char* target = (char*)dir;
char* fs = (char*)fsarg;
char* source = NULL;
char loopname[64];
if (need_loop_device) {
memset(loopname, 0, sizeof(loopname));
snprintf(loopname, sizeof(loopname), "/dev/loop%llu", procid);
if (setup_loop_device(size, nsegs, segs, loopname, &memfd, &loopfd) == -1)
return -1;
source = loopname;
}
mkdir(target, 0777);
char opts[256];
memset(opts, 0, sizeof(opts));
if (strlen(mount_opts) > (sizeof(opts) - 32)) {
}
strncpy(opts, mount_opts, sizeof(opts) - 32);
if (strcmp(fs, "iso9660") == 0) {
flags |= MS_RDONLY;
} else if (strncmp(fs, "ext", 3) == 0) {
if (strstr(opts, "errors=panic") || strstr(opts, "errors=remount-ro") == 0)
strcat(opts, ",errors=continue");
} else if (strcmp(fs, "xfs") == 0) {
strcat(opts, ",nouuid");
}
res = mount(source, target, fs, flags, opts);
if (res == -1) {
err = errno;
goto error_clear_loop;
}
res = open(target, O_RDONLY | O_DIRECTORY);
if (res == -1) {
err = errno;
}

error_clear_loop:
if (need_loop_device) {
ioctl(loopfd, LOOP_CLR_FD, 0);
close(loopfd);
close(memfd);
}
errno = err;
return res;
}

int main(void)
{
syscall(__NR_mmap, 0x1ffff000ul, 0x1000ul, 0ul, 0x32ul, -1, 0ul);
syscall(__NR_mmap, 0x20000000ul, 0x1000000ul, 7ul, 0x32ul, -1, 0ul);
syscall(__NR_mmap, 0x21000000ul, 0x1000ul, 0ul, 0x32ul, -1, 0ul);

memcpy((void*)0x20000000, "ntfs\000", 5);
memcpy((void*)0x20000100, "./file0\000", 8);
*(uint64_t*)0x20000200 = 0x20010000;
memcpy((void*)0x20010000, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x40\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x07\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\xf4\x00\x00\x00\xa3\xb8\xb2\x0f\xcf\x7a\xa8\x36\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00\xcd\x10\x5e\xeb\xf0\x32\xe4\xcd\x16\xcd\x19\xeb\xfe\x54\x68\x69\x73\x20\x69\x73\x20\x6e\x6f\x74\x20\x61\x20\x62\x6f\x6f\x74\x61\x62\x6c\x65\x20\x64\x69\x73\x6b\x2e\x20\x50\x6c\x65\x61\x73\x65\x20\x69\x6e\x73\x65\x72\x74\x20\x61\x20\x62\x6f\x6f\x74\x61\x62\x6c\x65\x20\x66\x6c\x6f\x70\x70\x79\x20\x61\x6e\x64\x0d\x0a\x70\x72\x65\x73\x73\x20\x61\x6e\x79\x20\x6b\x65\x79\x20\x74\x6f\x20\x74\x72\x79\x20\x61\x67\x61\x69\x6e\x20\x2e\x2e\x2e\x20\x0d\x0a\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 224);
*(uint64_t*)0x20000208 = 0xe0;
*(uint64_t*)0x20000210 = 0;
*(uint64_t*)0x20000218 = 0;
*(uint64_t*)0x20000220 = 0;
*(uint64_t*)0x20000228 = 0x1e0;
*(uint64_t*)0x20000230 = 0;
*(uint64_t*)0x20000238 = 0;
*(uint64_t*)0x20000240 = 0x10000;
*(uint64_t*)0x20000248 = 0x20010300;
memcpy((void*)0x20010300, "\x46\x49\x4c\x45\x30\x00\x03\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x01\x00\x38\x00\x01\x00\x98\x01\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x60\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x48\x00\x00\x00\x18\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x30\x00\x00\x00\x68\x00\x00\x00\x00\x00\x18\x00\x00\x00\x02\x00\x4a\x00\x00\x00\x18\x00\x01\x00\x05\x00\x00\x00\x00\x00\x05\x00\x80\x05\x2e\x00\xc8\x8d\xd6\x01\x80\x05\x2e\x00\xc8\x8d\xd6\x01\x80\x05\x2e\x00\xc8\x8d\xd6\x01\x80\x05\x2e\x00\xc8\x8d\xd6\x01\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x04\x03\x24\x00\x4d\x00\x46\x00\x54\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x48\x00\x00\x00\x01\x00\x40\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x40\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x18\x01\x00\x00\x00\x00\x00", 312);
*(uint64_t*)0x20000250 = 0x138;
*(uint64_t*)0x20000258 = 0x20000;
*(uint64_t*)0x20000260 = 0x20010500;
memcpy((void*)0x20010500, "\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\b", 31);
*(uint64_t*)0x20000268 = 0x1f;
*(uint64_t*)0x20000270 = 0x201e0;
*(uint64_t*)0x20000278 = 0x20010600;
memcpy((void*)0x20010600, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x08\x00\x46\x49\x4c\x45\x30\x00\x03\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x01\x00\x38\x00\x01\x00\x58\x01\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x03\x00\x00\x00\x01\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x60\x00\x00\x00\x00\x00\x18\x00\x00\x00\x00\x00\x48\x00\x00\x00\x18\x00\x00\x00\x80\x05\x2e\x00\xc8\x8d\xd6\x01\x80\x05\x2e\x00\xc8\x8d\xd6\x01\x80\x05\x2e\x00\xc8\x8d\xd6\x01\x80\x05\x2e\x00\xc8\x8d\xd6\x01\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x30\x00\x00\x00\x70\x00\x00\x00\x00\x00\x18\x00\x00\x00\x02\x00\x52\x00\x00\x00\x18\x00\x01\x00\x05\x00\x00\x00\x00\x00\x05\x00\x80\x05\x2e\x00\xc8\x8d\xd6\x01\x80\x05\x2e\x00\xc8\x8d\xd6\x01\x80\x05\x2e\x00\xc8\x8d\xd6\x01\x80\x05\x2e\x00\xc8\x8d\xd6\x01\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x08\x03\x24\x00\x4d\x00\x46\x00\x54\x00\x4d\x00\x69\x00\x72\x00\x72\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x48\x00\x00\x00\x01\x00\x40\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x40\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x11\x01\x0f\x00\x00\x00\x00\x00\xff\xff\xff\xff", 372);
*(uint64_t*)0x20000280 = 0x174;
*(uint64_t*)0x20000288 = 0x203e0;
*(uint64_t*)0x20000290 = 0;
*(uint64_t*)0x20000298 = 0;
*(uint64_t*)0x200002a0 = 0x205e0;
*(uint64_t*)0x200002a8 = 0;
*(uint64_t*)0x200002b0 = 0;
*(uint64_t*)0x200002b8 = 0x207e0;
*(uint64_t*)0x200002c0 = 0;
*(uint64_t*)0x200002c8 = 0;
*(uint64_t*)0x200002d0 = 0;
*(uint64_t*)0x200002d8 = 0;
*(uint64_t*)0x200002e0 = 0;
*(uint64_t*)0x200002e8 = 0x227e0;
*(uint64_t*)0x200002f0 = 0;
*(uint64_t*)0x200002f8 = 0;
*(uint64_t*)0x20000300 = 0x229e0;
*(uint64_t*)0x20000308 = 0;
*(uint64_t*)0x20000310 = 0;
*(uint64_t*)0x20000318 = 0x22be0;
*(uint64_t*)0x20000320 = 0;
*(uint64_t*)0x20000328 = 0;
*(uint64_t*)0x20000330 = 0;
*(uint64_t*)0x20000338 = 0;
*(uint64_t*)0x20000340 = 0;
*(uint64_t*)0x20000348 = 0;
*(uint64_t*)0x20000350 = 0;
*(uint64_t*)0x20000358 = 0;
*(uint64_t*)0x20000360 = 0;
*(uint64_t*)0x20000368 = 0;
*(uint64_t*)0x20000370 = 0;
*(uint64_t*)0x20000378 = 0;
*(uint64_t*)0x20000380 = 0;
*(uint64_t*)0x20000388 = 0;
*(uint64_t*)0x20000390 = 0;
*(uint64_t*)0x20000398 = 0;
*(uint64_t*)0x200003a0 = 0;
*(uint64_t*)0x200003a8 = 0;
*(uint64_t*)0x200003b0 = 0;
*(uint64_t*)0x200003b8 = 0;
*(uint64_t*)0x200003c0 = 0xe0000;
*(uint64_t*)0x200003c8 = 0;
*(uint64_t*)0x200003d0 = 0;
*(uint64_t*)0x200003d8 = 0xf01e0;
*(uint64_t*)0x200003e0 = 0;
*(uint64_t*)0x200003e8 = 0;
*(uint64_t*)0x200003f0 = 0xf03e0;
*(uint64_t*)0x200003f8 = 0;
*(uint64_t*)0x20000400 = 0;
*(uint64_t*)0x20000408 = 0xf05e0;
*(uint64_t*)0x20000410 = 0;
*(uint64_t*)0x20000418 = 0;
*(uint64_t*)0x20000420 = 0xf07e0;
*(uint64_t*)0x20000428 = 0;
*(uint64_t*)0x20000430 = 0;
*(uint64_t*)0x20000438 = 0xf09e0;
*(uint64_t*)0x20000440 = 0;
*(uint64_t*)0x20000448 = 0;
*(uint64_t*)0x20000450 = 0xf0be0;
*(uint64_t*)0x20000458 = 0;
*(uint64_t*)0x20000460 = 0;
*(uint64_t*)0x20000468 = 0xf0fe0;
*(uint64_t*)0x20000470 = 0;
*(uint64_t*)0x20000478 = 0;
*(uint64_t*)0x20000480 = 0;
*(uint64_t*)0x20000488 = 0;
*(uint64_t*)0x20000490 = 0;
*(uint64_t*)0x20000498 = 0;
*(uint64_t*)0x200004a0 = 0;
*(uint64_t*)0x200004a8 = 0;
*(uint64_t*)0x200004b0 = 0;
*(uint64_t*)0x200004b8 = 0;
*(uint64_t*)0x200004c0 = 0;
*(uint64_t*)0x200004c8 = 0;
*(uint64_t*)0x200004d0 = 0;
*(uint64_t*)0x200004d8 = 0;
*(uint64_t*)0x200004e0 = 0;
*(uint64_t*)0x200004e8 = 0;
*(uint64_t*)0x200004f0 = 0;
*(uint64_t*)0x200004f8 = 0;
*(uint64_t*)0x20000500 = 0;
*(uint64_t*)0x20000508 = 0;
*(uint64_t*)0x20000510 = 0;
*(uint64_t*)0x20000518 = 0;
*(uint64_t*)0x20000520 = 0;
*(uint64_t*)0x20000528 = 0;
*(uint64_t*)0x20000530 = 0;
*(uint64_t*)0x20000538 = 0;
*(uint64_t*)0x20000540 = 0;
*(uint64_t*)0x20000548 = 0;
*(uint64_t*)0x20000550 = 0;
*(uint64_t*)0x20000558 = 0;
*(uint64_t*)0x20000560 = 0;
*(uint64_t*)0x20000568 = 0;
*(uint64_t*)0x20000570 = 0;
*(uint8_t*)0x20086400 = 0;
syz_mount_image(0x20000000, 0x20000100, 0, 0x25, 0x20000200, 0, 0x20086400);
return 0;
}

Attachment: repro.syz
Description: Binary data