loop1: detected capacity change from 264192 to 0
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BUG: KASAN: vmalloc-out-of-bounds in memcpy syzkaller/managers/upstream-linux-next-kasan-gce-root/kernel/./include/linux/fortify-string.h:191 [inline]
BUG: KASAN: vmalloc-out-of-bounds in lzo_uncompress+0x44c/0x620 syzkaller/managers/upstream-linux-next-kasan-gce-root/kernel/fs/squashfs/lzo_wrapper.c:80
Write of size 4096 at addr ffffc900181a4ffe by task syz-executor.1/19933

CPU: 1 PID: 19933 Comm: syz-executor.1 Not tainted 5.11.0-rc6-next-20210205-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack syzkaller/managers/upstream-linux-next-kasan-gce-root/kernel/lib/dump_stack.c:79 [inline]
 dump_stack+0x107/0x163 syzkaller/managers/upstream-linux-next-kasan-gce-root/kernel/lib/dump_stack.c:120
 print_address_description.constprop.0.cold+0x5/0x2f8 syzkaller/managers/upstream-linux-next-kasan-gce-root/kernel/mm/kasan/report.c:232
 __kasan_report syzkaller/managers/upstream-linux-next-kasan-gce-root/kernel/mm/kasan/report.c:399 [inline]
 kasan_report.cold+0x7c/0xd8 syzkaller/managers/upstream-linux-next-kasan-gce-root/kernel/mm/kasan/report.c:416
 check_region_inline syzkaller/managers/upstream-linux-next-kasan-gce-root/kernel/mm/kasan/generic.c:180 [inline]
 kasan_check_range+0x13d/0x180 syzkaller/managers/upstream-linux-next-kasan-gce-root/kernel/mm/kasan/generic.c:186
 memcpy+0x39/0x60 syzkaller/managers/upstream-linux-next-kasan-gce-root/kernel/mm/kasan/shadow.c:66
 memcpy syzkaller/managers/upstream-linux-next-kasan-gce-root/kernel/./include/linux/fortify-string.h:191 [inline]
 lzo_uncompress+0x44c/0x620 syzkaller/managers/upstream-linux-next-kasan-gce-root/kernel/fs/squashfs/lzo_wrapper.c:80
 squashfs_decompress+0xcc/0x160 syzkaller/managers/upstream-linux-next-kasan-gce-root/kernel/fs/squashfs/decompressor_single.c:70
 squashfs_read_data+0x1f8/0xe10 syzkaller/managers/upstream-linux-next-kasan-gce-root/kernel/fs/squashfs/block.c:214
 squashfs_cache_get+0x4a9/0xd50 syzkaller/managers/upstream-linux-next-kasan-gce-root/kernel/fs/squashfs/cache.c:110
 squashfs_read_metadata+0x134/0x460 syzkaller/managers/upstream-linux-next-kasan-gce-root/kernel/fs/squashfs/cache.c:344
 squashfs_xattr_lookup+0x129/0x270 syzkaller/managers/upstream-linux-next-kasan-gce-root/kernel/fs/squashfs/xattr_id.c:38
 squashfs_read_inode+0x5e3/0x1b40 syzkaller/managers/upstream-linux-next-kasan-gce-root/kernel/fs/squashfs/inode.c:395
 squashfs_iget+0xcf/0x130 syzkaller/managers/upstream-linux-next-kasan-gce-root/kernel/fs/squashfs/inode.c:85
 squashfs_lookup+0xa6b/0xd00 syzkaller/managers/upstream-linux-next-kasan-gce-root/kernel/fs/squashfs/namei.c:212
 lookup_open.isra.0+0x84a/0x13d0 syzkaller/managers/upstream-linux-next-kasan-gce-root/kernel/fs/namei.c:3197
 open_last_lookups syzkaller/managers/upstream-linux-next-kasan-gce-root/kernel/fs/namei.c:3289 [inline]
 path_openat+0x9b4/0x27e0 syzkaller/managers/upstream-linux-next-kasan-gce-root/kernel/fs/namei.c:3495
 do_filp_open+0x17e/0x3c0 syzkaller/managers/upstream-linux-next-kasan-gce-root/kernel/fs/namei.c:3525
 do_sys_openat2+0x16d/0x420 syzkaller/managers/upstream-linux-next-kasan-gce-root/kernel/fs/open.c:1187
 do_sys_open syzkaller/managers/upstream-linux-next-kasan-gce-root/kernel/fs/open.c:1203 [inline]
 __do_sys_openat syzkaller/managers/upstream-linux-next-kasan-gce-root/kernel/fs/open.c:1219 [inline]
 __se_sys_openat syzkaller/managers/upstream-linux-next-kasan-gce-root/kernel/fs/open.c:1214 [inline]
 __x64_sys_openat+0x13f/0x1f0 syzkaller/managers/upstream-linux-next-kasan-gce-root/kernel/fs/open.c:1214
 do_syscall_64+0x2d/0x70 syzkaller/managers/upstream-linux-next-kasan-gce-root/kernel/arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x465b09
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:00007f506fa7e188 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 000000000056bf60 RCX: 0000000000465b09
RDX: 0000000000000000 RSI: 0000000020000500 RDI: 0000000000000005
RBP: 00000000004b069f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056bf60
R13: 00007ffd72dcb88f R14: 00007f506fa7e300 R15: 0000000000022000


Memory state around the buggy address:
 ffffc900181a4f00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 ffffc900181a4f80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
>ffffc900181a5000: f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8
                   ^
 ffffc900181a5080: f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8
 ffffc900181a5100: f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8
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