BUG: memory leak
unreferenced object 0xffff8881073a9d20 (size 32):
  comm "syz-executor.0", pid 8219, jiffies 4295046698 (age 9.240s)
  hex dump (first 32 bytes):
    34 32 39 35 30 34 36 36 39 38 00 81 ff ff ff ff  4295046698......
    40 34 4c 81 ff ff ff ff c0 52 56 81 ff ff ff ff  @4L......RV.....
  backtrace:
    [<0000000018d359c4>] kmalloc include/linux/slab.h:555 [inline]
    [<0000000018d359c4>] v9fs_random_cachetag fs/9p/cache.c:36 [inline]
    [<0000000018d359c4>] v9fs_cache_session_get_cookie+0x98/0x100 fs/9p/cache.c:52
    [<0000000009cd2146>] v9fs_session_init+0x5a1/0x840 fs/9p/v9fs.c:470
    [<0000000050efd59e>] v9fs_mount+0x56/0x390 fs/9p/vfs_super.c:124
    [<0000000021ccc9cb>] legacy_get_tree+0x26/0x70 fs/fs_context.c:592
    [<000000002277b7e0>] vfs_get_tree+0x28/0xe0 fs/super.c:1547
    [<00000000b7b0a975>] do_new_mount fs/namespace.c:2874 [inline]
    [<00000000b7b0a975>] do_mount+0xa5b/0xe40 fs/namespace.c:3199
    [<0000000039177292>] __do_sys_mount fs/namespace.c:3409 [inline]
    [<0000000039177292>] __se_sys_mount fs/namespace.c:3386 [inline]
    [<0000000039177292>] __x64_sys_mount+0xb0/0x120 fs/namespace.c:3386
    [<00000000d0422612>] do_syscall_64+0x4c/0xe0 arch/x86/entry/common.c:384
    [<00000000ade26077>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff888106e35100 (size 32):
  comm "syz-executor.4", pid 8276, jiffies 4295046708 (age 9.140s)
  hex dump (first 32 bytes):
    34 32 39 35 30 34 36 37 30 38 00 00 00 00 00 00  4295046708......
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
  backtrace:
    [<0000000018d359c4>] kmalloc include/linux/slab.h:555 [inline]
    [<0000000018d359c4>] v9fs_random_cachetag fs/9p/cache.c:36 [inline]
    [<0000000018d359c4>] v9fs_cache_session_get_cookie+0x98/0x100 fs/9p/cache.c:52
    [<0000000009cd2146>] v9fs_session_init+0x5a1/0x840 fs/9p/v9fs.c:470
    [<0000000050efd59e>] v9fs_mount+0x56/0x390 fs/9p/vfs_super.c:124
    [<0000000021ccc9cb>] legacy_get_tree+0x26/0x70 fs/fs_context.c:592
    [<000000002277b7e0>] vfs_get_tree+0x28/0xe0 fs/super.c:1547
    [<00000000b7b0a975>] do_new_mount fs/namespace.c:2874 [inline]
    [<00000000b7b0a975>] do_mount+0xa5b/0xe40 fs/namespace.c:3199
    [<0000000039177292>] __do_sys_mount fs/namespace.c:3409 [inline]
    [<0000000039177292>] __se_sys_mount fs/namespace.c:3386 [inline]
    [<0000000039177292>] __x64_sys_mount+0xb0/0x120 fs/namespace.c:3386
    [<00000000d0422612>] do_syscall_64+0x4c/0xe0 arch/x86/entry/common.c:384
    [<00000000ade26077>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff888106e35920 (size 32):
  comm "syz-executor.3", pid 8273, jiffies 4295046710 (age 9.120s)
  hex dump (first 32 bytes):
    34 32 39 35 30 34 36 37 31 30 00 00 00 00 00 00  4295046710......
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
  backtrace:
    [<0000000018d359c4>] kmalloc include/linux/slab.h:555 [inline]
    [<0000000018d359c4>] v9fs_random_cachetag fs/9p/cache.c:36 [inline]
    [<0000000018d359c4>] v9fs_cache_session_get_cookie+0x98/0x100 fs/9p/cache.c:52
    [<0000000009cd2146>] v9fs_session_init+0x5a1/0x840 fs/9p/v9fs.c:470
    [<0000000050efd59e>] v9fs_mount+0x56/0x390 fs/9p/vfs_super.c:124
    [<0000000021ccc9cb>] legacy_get_tree+0x26/0x70 fs/fs_context.c:592
    [<000000002277b7e0>] vfs_get_tree+0x28/0xe0 fs/super.c:1547
    [<00000000b7b0a975>] do_new_mount fs/namespace.c:2874 [inline]
    [<00000000b7b0a975>] do_mount+0xa5b/0xe40 fs/namespace.c:3199
    [<0000000039177292>] __do_sys_mount fs/namespace.c:3409 [inline]
    [<0000000039177292>] __se_sys_mount fs/namespace.c:3386 [inline]
    [<0000000039177292>] __x64_sys_mount+0xb0/0x120 fs/namespace.c:3386
    [<00000000d0422612>] do_syscall_64+0x4c/0xe0 arch/x86/entry/common.c:384
    [<00000000ade26077>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff888106efd060 (size 32):
  comm "syz-executor.6", pid 8311, jiffies 4295046726 (age 8.960s)
  hex dump (first 32 bytes):
    34 32 39 35 30 34 36 37 32 36 00 00 00 00 00 00  4295046726......
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
  backtrace:
    [<0000000018d359c4>] kmalloc include/linux/slab.h:555 [inline]
    [<0000000018d359c4>] v9fs_random_cachetag fs/9p/cache.c:36 [inline]
    [<0000000018d359c4>] v9fs_cache_session_get_cookie+0x98/0x100 fs/9p/cache.c:52
    [<0000000009cd2146>] v9fs_session_init+0x5a1/0x840 fs/9p/v9fs.c:470
    [<0000000050efd59e>] v9fs_mount+0x56/0x390 fs/9p/vfs_super.c:124
    [<0000000021ccc9cb>] legacy_get_tree+0x26/0x70 fs/fs_context.c:592
    [<000000002277b7e0>] vfs_get_tree+0x28/0xe0 fs/super.c:1547
    [<00000000b7b0a975>] do_new_mount fs/namespace.c:2874 [inline]
    [<00000000b7b0a975>] do_mount+0xa5b/0xe40 fs/namespace.c:3199
    [<0000000039177292>] __do_sys_mount fs/namespace.c:3409 [inline]
    [<0000000039177292>] __se_sys_mount fs/namespace.c:3386 [inline]
    [<0000000039177292>] __x64_sys_mount+0xb0/0x120 fs/namespace.c:3386
    [<00000000d0422612>] do_syscall_64+0x4c/0xe0 arch/x86/entry/common.c:384
    [<00000000ade26077>] entry_SYSCALL_64_after_hwframe+0x44/0xa9