loop3: detected capacity change from 264192 to 0
==================================================================
BUG: KASAN: slab-out-of-bounds in squashfs_get_id+0x116/0x250 fs/squashfs/id.c:38
Read of size 8 at addr ffff888029071d50 by task syz-executor.3/8633

CPU: 1 PID: 8633 Comm: syz-executor.3 Not tainted 5.11.0-rc4-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
 squashfs_get_id+0x116/0x250 fs/squashfs/id.c:38
 squashfs_new_inode fs/squashfs/inode.c:51 [inline]
 squashfs_read_inode+0x24d/0x2970 fs/squashfs/inode.c:120
 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:2881 [inline]
 path_mount+0x1937/0x2c50 fs/namespace.c:3211
 do_mount fs/namespace.c:3224 [inline]
 __do_sys_mount fs/namespace.c:3432 [inline]
 __se_sys_mount+0x2f9/0x3b0 fs/namespace.c:3409
 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:00007fc32d676a78 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007fc32d676b10 RCX: 0000000000460c6a
RDX: 0000000020000000 RSI: 00000000200000c0 RDI: 00007fc32d676ad0
RBP: 00007fc32d676ad0 R08: 00007fc32d676b10 R09: 0000000020000000
R10: 0000000000000000 R11: 0000000000000202 R12: 0000000020000000
R13: 00000000200000c0 R14: 0000000020000200 R15: 0000000020010200

Allocated by task 8633:
 kasan_save_stack mm/kasan/common.c:38 [inline]
 kasan_set_track mm/kasan/common.c:46 [inline]
 set_alloc_info mm/kasan/common.c:401 [inline]
 ____kasan_kmalloc+0xbd/0xf0 mm/kasan/common.c:429
 kasan_kmalloc include/linux/kasan.h:219 [inline]
 __kmalloc+0xaf/0x330 mm/slub.c:3970
 kmalloc_array include/linux/slab.h:592 [inline]
 kcalloc+0x2b/0x40 include/linux/slab.h:621
 squashfs_read_table+0x50/0x3b0 fs/squashfs/cache.c:417
 squashfs_fill_super+0xfd6/0x1c60 fs/squashfs/super.c:225
 get_tree_bdev+0x406/0x630 fs/super.c:1291
 vfs_get_tree+0x86/0x270 fs/super.c:1496
 do_new_mount fs/namespace.c:2881 [inline]
 path_mount+0x1937/0x2c50 fs/namespace.c:3211
 do_mount fs/namespace.c:3224 [inline]
 __do_sys_mount fs/namespace.c:3432 [inline]
 __se_sys_mount+0x2f9/0x3b0 fs/namespace.c:3409
 do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x44/0xa9

Freed by task 8633:
 kasan_save_stack mm/kasan/common.c:38 [inline]
 kasan_set_track+0x3d/0x70 mm/kasan/common.c:46
 kasan_set_free_info+0x1f/0x40 mm/kasan/generic.c:356
 ____kasan_slab_free+0xe2/0x110 mm/kasan/common.c:362
 kasan_slab_free include/linux/kasan.h:192 [inline]
 slab_free_hook mm/slub.c:1547 [inline]
 slab_free_freelist_hook+0xd6/0x1a0 mm/slub.c:1580
 slab_free mm/slub.c:3142 [inline]
 kfree+0xd1/0x2a0 mm/slub.c:4124
 squashfs_read_table+0x364/0x3b0 fs/squashfs/cache.c:435
 squashfs_fill_super+0xfd6/0x1c60 fs/squashfs/super.c:225
 get_tree_bdev+0x406/0x630 fs/super.c:1291
 vfs_get_tree+0x86/0x270 fs/super.c:1496
 do_new_mount fs/namespace.c:2881 [inline]
 path_mount+0x1937/0x2c50 fs/namespace.c:3211
 do_mount fs/namespace.c:3224 [inline]
 __do_sys_mount fs/namespace.c:3432 [inline]
 __se_sys_mount+0x2f9/0x3b0 fs/namespace.c:3409
 do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x44/0xa9

The buggy address belongs to the object at ffff888029071d48
 which belongs to the cache kmalloc-8 of size 8
The buggy address is located 0 bytes to the right of
 8-byte region [ffff888029071d48, ffff888029071d50)
The buggy address belongs to the page:
page:00000000916761dc refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x29071
flags: 0xfff00000000200(slab)
raw: 00fff00000000200 ffffea0000859280 0000000d0000000d ffff888010841c80
raw: 0000000000000000 0000000080660066 00000001ffffffff 0000000000000000
page dumped because: kasan: bad access detected

Memory state around the buggy address:
 ffff888029071c00: fc 00 fc fc fc fc 00 fc fc fc fc 00 fc fc fc fc
 ffff888029071c80: 00 fc fc fc fc fa fc fc fc fc 00 fc fc fc fc fa
>ffff888029071d00: fc fc fc fc 00 fc fc fc fc fa fc fc fc fc 00 fc
                                                 ^
 ffff888029071d80: fc fc fc fa fc fc fc fc 00 fc fc fc fc fa fc fc
 ffff888029071e00: fc fc fa fc fc fc fc fa fc fc fc fc fa fc fc fc
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