loop0: detected capacity change from 127 to 0
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BUG: KASAN: vmalloc-out-of-bounds in lzo_uncompress+0x443/0x7d0 fs/squashfs/lzo_wrapper.c:80
Write of size 4096 at addr ffffc9000d7ecf6f by task syz-executor.0/14478

CPU: 1 PID: 14478 Comm: syz-executor.0 Not tainted 5.11.0-rc3-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:79 [inline]
 dump_stack+0x183/0x22e lib/dump_stack.c:120
 print_address_description+0x5f/0x3b0 mm/kasan/report.c:230
 __kasan_report mm/kasan/report.c:396 [inline]
 kasan_report+0x15e/0x200 mm/kasan/report.c:413
 check_memory_region_inline mm/kasan/generic.c:134 [inline]
 check_memory_region+0x2b5/0x2f0 mm/kasan/generic.c:185
 memcpy+0x3c/0x60 mm/kasan/shadow.c:65
 lzo_uncompress+0x443/0x7d0 fs/squashfs/lzo_wrapper.c:80
 squashfs_decompress+0xcd/0x160 fs/squashfs/decompressor_single.c:70
 squashfs_read_data+0x5e9/0xf20 fs/squashfs/block.c:214
 squashfs_cache_get+0x9ef/0xf90 fs/squashfs/cache.c:110
 squashfs_read_metadata+0x10e/0x800 fs/squashfs/cache.c:344
 squashfs_read_inode+0x1f6/0x2970 fs/squashfs/inode.c:115
 squashfs_fill_super+0x1668/0x1c60 fs/squashfs/super.c:310
 get_tree_bdev+0x406/0x630 fs/super.c:1291
 vfs_get_tree+0x86/0x270 fs/super.c:1496
 do_new_mount fs/namespace.c:2878 [inline]
 path_mount+0x1937/0x2c50 fs/namespace.c:3208
 do_mount fs/namespace.c:3221 [inline]
 __do_sys_mount fs/namespace.c:3429 [inline]
 __se_sys_mount+0x2f9/0x3b0 fs/namespace.c:3406
 do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x460c6a
Code: b8 a6 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 ad 89 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 8a 89 fb ff c3 66 0f 1f 84 00 00 00 00 00
RSP: 002b:00007f55bff01a78 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f55bff01b10 RCX: 0000000000460c6a
RDX: 0000000020000040 RSI: 0000000020000100 RDI: 00007f55bff01ad0
RBP: 00007f55bff01ad0 R08: 00007f55bff01b10 R09: 0000000020000040
R10: 0000000000000000 R11: 0000000000000202 R12: 0000000020000040
R13: 0000000020000100 R14: 0000000020000440 R15: 00000000200003c0


Memory state around the buggy address:
 ffffc9000d7ecf00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 ffffc9000d7ecf80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
>ffffc9000d7ed000: f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8
                   ^
 ffffc9000d7ed080: f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8
 ffffc9000d7ed100: f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8
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