BUG: memory leak
unreferenced object 0xffff88811d682b60 (size 32):
  comm "syz-executor153", pid 6817, jiffies 4294944649 (age 16.940s)
  hex dump (first 32 bytes):
    34 32 39 34 39 34 34 36 34 39 00 00 00 00 00 00  4294944649......
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
  backtrace:
    [<0000000097074d50>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline]
    [<0000000097074d50>] slab_post_alloc_hook mm/slab.h:586 [inline]
    [<0000000097074d50>] slab_alloc mm/slab.c:3319 [inline]
    [<0000000097074d50>] kmem_cache_alloc_trace+0x145/0x2c0 mm/slab.c:3548
    [<000000005103ae16>] kmalloc include/linux/slab.h:552 [inline]
    [<000000005103ae16>] v9fs_random_cachetag fs/9p/cache.c:36 [inline]
    [<000000005103ae16>] v9fs_cache_session_get_cookie+0xa6/0x110 fs/9p/cache.c:52
    [<00000000c764e792>] v9fs_session_init+0x5c3/0x880 fs/9p/v9fs.c:470
    [<000000009e82ccc6>] v9fs_mount+0x5e/0x3c0 fs/9p/vfs_super.c:124
    [<000000002023d149>] legacy_get_tree+0x27/0x80 fs/fs_context.c:647
    [<00000000d5f4b3b7>] vfs_get_tree+0x2d/0xe0 fs/super.c:1542
    [<00000000d08d2538>] do_new_mount fs/namespace.c:2823 [inline]
    [<00000000d08d2538>] do_mount+0x95f/0xc60 fs/namespace.c:3143
    [<000000006722a88f>] ksys_mount+0xab/0x120 fs/namespace.c:3352
    [<000000005af6ca9b>] __do_sys_mount fs/namespace.c:3366 [inline]
    [<000000005af6ca9b>] __se_sys_mount fs/namespace.c:3363 [inline]
    [<000000005af6ca9b>] __x64_sys_mount+0x26/0x30 fs/namespace.c:3363
    [<00000000e8001d09>] do_syscall_64+0x73/0x1f0 arch/x86/entry/common.c:290
    [<000000008b0583ef>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff88811ba7b300 (size 32):
  comm "syz-executor153", pid 6820, jiffies 4294944649 (age 16.940s)
  hex dump (first 32 bytes):
    34 32 39 34 39 34 34 36 34 39 00 00 00 00 00 00  4294944649......
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
  backtrace:
    [<0000000097074d50>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline]
    [<0000000097074d50>] slab_post_alloc_hook mm/slab.h:586 [inline]
    [<0000000097074d50>] slab_alloc mm/slab.c:3319 [inline]
    [<0000000097074d50>] kmem_cache_alloc_trace+0x145/0x2c0 mm/slab.c:3548
    [<000000005103ae16>] kmalloc include/linux/slab.h:552 [inline]
    [<000000005103ae16>] v9fs_random_cachetag fs/9p/cache.c:36 [inline]
    [<000000005103ae16>] v9fs_cache_session_get_cookie+0xa6/0x110 fs/9p/cache.c:52
    [<00000000c764e792>] v9fs_session_init+0x5c3/0x880 fs/9p/v9fs.c:470
    [<000000009e82ccc6>] v9fs_mount+0x5e/0x3c0 fs/9p/vfs_super.c:124
    [<000000002023d149>] legacy_get_tree+0x27/0x80 fs/fs_context.c:647
    [<00000000d5f4b3b7>] vfs_get_tree+0x2d/0xe0 fs/super.c:1542
    [<00000000d08d2538>] do_new_mount fs/namespace.c:2823 [inline]
    [<00000000d08d2538>] do_mount+0x95f/0xc60 fs/namespace.c:3143
    [<000000006722a88f>] ksys_mount+0xab/0x120 fs/namespace.c:3352
    [<000000005af6ca9b>] __do_sys_mount fs/namespace.c:3366 [inline]
    [<000000005af6ca9b>] __se_sys_mount fs/namespace.c:3363 [inline]
    [<000000005af6ca9b>] __x64_sys_mount+0x26/0x30 fs/namespace.c:3363
    [<00000000e8001d09>] do_syscall_64+0x73/0x1f0 arch/x86/entry/common.c:290
    [<000000008b0583ef>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff88811ba7b680 (size 32):
  comm "syz-executor153", pid 6825, jiffies 4294944650 (age 16.930s)
  hex dump (first 32 bytes):
    34 32 39 34 39 34 34 36 35 30 00 00 00 00 00 00  4294944650......
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
  backtrace:
    [<0000000097074d50>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline]
    [<0000000097074d50>] slab_post_alloc_hook mm/slab.h:586 [inline]
    [<0000000097074d50>] slab_alloc mm/slab.c:3319 [inline]
    [<0000000097074d50>] kmem_cache_alloc_trace+0x145/0x2c0 mm/slab.c:3548
    [<000000005103ae16>] kmalloc include/linux/slab.h:552 [inline]
    [<000000005103ae16>] v9fs_random_cachetag fs/9p/cache.c:36 [inline]
    [<000000005103ae16>] v9fs_cache_session_get_cookie+0xa6/0x110 fs/9p/cache.c:52
    [<00000000c764e792>] v9fs_session_init+0x5c3/0x880 fs/9p/v9fs.c:470
    [<000000009e82ccc6>] v9fs_mount+0x5e/0x3c0 fs/9p/vfs_super.c:124
    [<000000002023d149>] legacy_get_tree+0x27/0x80 fs/fs_context.c:647
    [<00000000d5f4b3b7>] vfs_get_tree+0x2d/0xe0 fs/super.c:1542
    [<00000000d08d2538>] do_new_mount fs/namespace.c:2823 [inline]
    [<00000000d08d2538>] do_mount+0x95f/0xc60 fs/namespace.c:3143
    [<000000006722a88f>] ksys_mount+0xab/0x120 fs/namespace.c:3352
    [<000000005af6ca9b>] __do_sys_mount fs/namespace.c:3366 [inline]
    [<000000005af6ca9b>] __se_sys_mount fs/namespace.c:3363 [inline]
    [<000000005af6ca9b>] __x64_sys_mount+0x26/0x30 fs/namespace.c:3363
    [<00000000e8001d09>] do_syscall_64+0x73/0x1f0 arch/x86/entry/common.c:290
    [<000000008b0583ef>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff88811d66c4c0 (size 32):
  comm "syz-executor153", pid 6821, jiffies 4294944655 (age 16.880s)
  hex dump (first 32 bytes):
    34 32 39 34 39 34 34 36 35 35 00 00 00 00 00 00  4294944655......
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
  backtrace:
    [<0000000097074d50>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline]
    [<0000000097074d50>] slab_post_alloc_hook mm/slab.h:586 [inline]
    [<0000000097074d50>] slab_alloc mm/slab.c:3319 [inline]
    [<0000000097074d50>] kmem_cache_alloc_trace+0x145/0x2c0 mm/slab.c:3548
    [<000000005103ae16>] kmalloc include/linux/slab.h:552 [inline]
    [<000000005103ae16>] v9fs_random_cachetag fs/9p/cache.c:36 [inline]
    [<000000005103ae16>] v9fs_cache_session_get_cookie+0xa6/0x110 fs/9p/cache.c:52
    [<00000000c764e792>] v9fs_session_init+0x5c3/0x880 fs/9p/v9fs.c:470
    [<000000009e82ccc6>] v9fs_mount+0x5e/0x3c0 fs/9p/vfs_super.c:124
    [<000000002023d149>] legacy_get_tree+0x27/0x80 fs/fs_context.c:647
    [<00000000d5f4b3b7>] vfs_get_tree+0x2d/0xe0 fs/super.c:1542
    [<00000000d08d2538>] do_new_mount fs/namespace.c:2823 [inline]
    [<00000000d08d2538>] do_mount+0x95f/0xc60 fs/namespace.c:3143
    [<000000006722a88f>] ksys_mount+0xab/0x120 fs/namespace.c:3352
    [<000000005af6ca9b>] __do_sys_mount fs/namespace.c:3366 [inline]
    [<000000005af6ca9b>] __se_sys_mount fs/namespace.c:3363 [inline]
    [<000000005af6ca9b>] __x64_sys_mount+0x26/0x30 fs/namespace.c:3363
    [<00000000e8001d09>] do_syscall_64+0x73/0x1f0 arch/x86/entry/common.c:290
    [<000000008b0583ef>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff88811d682b60 (size 32):
  comm "syz-executor153", pid 6817, jiffies 4294944649 (age 17.880s)
  hex dump (first 32 bytes):
    34 32 39 34 39 34 34 36 34 39 00 00 00 00 00 00  4294944649......
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
  backtrace:
    [<0000000097074d50>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline]
    [<0000000097074d50>] slab_post_alloc_hook mm/slab.h:586 [inline]
    [<0000000097074d50>] slab_alloc mm/slab.c:3319 [inline]
    [<0000000097074d50>] kmem_cache_alloc_trace+0x145/0x2c0 mm/slab.c:3548
    [<000000005103ae16>] kmalloc include/linux/slab.h:552 [inline]
    [<000000005103ae16>] v9fs_random_cachetag fs/9p/cache.c:36 [inline]
    [<000000005103ae16>] v9fs_cache_session_get_cookie+0xa6/0x110 fs/9p/cache.c:52
    [<00000000c764e792>] v9fs_session_init+0x5c3/0x880 fs/9p/v9fs.c:470
    [<000000009e82ccc6>] v9fs_mount+0x5e/0x3c0 fs/9p/vfs_super.c:124
    [<000000002023d149>] legacy_get_tree+0x27/0x80 fs/fs_context.c:647
    [<00000000d5f4b3b7>] vfs_get_tree+0x2d/0xe0 fs/super.c:1542
    [<00000000d08d2538>] do_new_mount fs/namespace.c:2823 [inline]
    [<00000000d08d2538>] do_mount+0x95f/0xc60 fs/namespace.c:3143
    [<000000006722a88f>] ksys_mount+0xab/0x120 fs/namespace.c:3352
    [<000000005af6ca9b>] __do_sys_mount fs/namespace.c:3366 [inline]
    [<000000005af6ca9b>] __se_sys_mount fs/namespace.c:3363 [inline]
    [<000000005af6ca9b>] __x64_sys_mount+0x26/0x30 fs/namespace.c:3363
    [<00000000e8001d09>] do_syscall_64+0x73/0x1f0 arch/x86/entry/common.c:290
    [<000000008b0583ef>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff88811ba7b300 (size 32):
  comm "syz-executor153", pid 6820, jiffies 4294944649 (age 17.880s)
  hex dump (first 32 bytes):
    34 32 39 34 39 34 34 36 34 39 00 00 00 00 00 00  4294944649......
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
  backtrace:
    [<0000000097074d50>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline]
    [<0000000097074d50>] slab_post_alloc_hook mm/slab.h:586 [inline]
    [<0000000097074d50>] slab_alloc mm/slab.c:3319 [inline]
    [<0000000097074d50>] kmem_cache_alloc_trace+0x145/0x2c0 mm/slab.c:3548
    [<000000005103ae16>] kmalloc include/linux/slab.h:552 [inline]
    [<000000005103ae16>] v9fs_random_cachetag fs/9p/cache.c:36 [inline]
    [<000000005103ae16>] v9fs_cache_session_get_cookie+0xa6/0x110 fs/9p/cache.c:52
    [<00000000c764e792>] v9fs_session_init+0x5c3/0x880 fs/9p/v9fs.c:470
    [<000000009e82ccc6>] v9fs_mount+0x5e/0x3c0 fs/9p/vfs_super.c:124
    [<000000002023d149>] legacy_get_tree+0x27/0x80 fs/fs_context.c:647
    [<00000000d5f4b3b7>] vfs_get_tree+0x2d/0xe0 fs/super.c:1542
    [<00000000d08d2538>] do_new_mount fs/namespace.c:2823 [inline]
    [<00000000d08d2538>] do_mount+0x95f/0xc60 fs/namespace.c:3143
    [<000000006722a88f>] ksys_mount+0xab/0x120 fs/namespace.c:3352
    [<000000005af6ca9b>] __do_sys_mount fs/namespace.c:3366 [inline]
    [<000000005af6ca9b>] __se_sys_mount fs/namespace.c:3363 [inline]
    [<000000005af6ca9b>] __x64_sys_mount+0x26/0x30 fs/namespace.c:3363
    [<00000000e8001d09>] do_syscall_64+0x73/0x1f0 arch/x86/entry/common.c:290
    [<000000008b0583ef>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff88811ba7b680 (size 32):
  comm "syz-executor153", pid 6825, jiffies 4294944650 (age 17.870s)
  hex dump (first 32 bytes):
    34 32 39 34 39 34 34 36 35 30 00 00 00 00 00 00  4294944650......
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
  backtrace:
    [<0000000097074d50>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline]
    [<0000000097074d50>] slab_post_alloc_hook mm/slab.h:586 [inline]
    [<0000000097074d50>] slab_alloc mm/slab.c:3319 [inline]
    [<0000000097074d50>] kmem_cache_alloc_trace+0x145/0x2c0 mm/slab.c:3548
    [<000000005103ae16>] kmalloc include/linux/slab.h:552 [inline]
    [<000000005103ae16>] v9fs_random_cachetag fs/9p/cache.c:36 [inline]
    [<000000005103ae16>] v9fs_cache_session_get_cookie+0xa6/0x110 fs/9p/cache.c:52
    [<00000000c764e792>] v9fs_session_init+0x5c3/0x880 fs/9p/v9fs.c:470
    [<000000009e82ccc6>] v9fs_mount+0x5e/0x3c0 fs/9p/vfs_super.c:124
    [<000000002023d149>] legacy_get_tree+0x27/0x80 fs/fs_context.c:647
    [<00000000d5f4b3b7>] vfs_get_tree+0x2d/0xe0 fs/super.c:1542
    [<00000000d08d2538>] do_new_mount fs/namespace.c:2823 [inline]
    [<00000000d08d2538>] do_mount+0x95f/0xc60 fs/namespace.c:3143
    [<000000006722a88f>] ksys_mount+0xab/0x120 fs/namespace.c:3352
    [<000000005af6ca9b>] __do_sys_mount fs/namespace.c:3366 [inline]
    [<000000005af6ca9b>] __se_sys_mount fs/namespace.c:3363 [inline]
    [<000000005af6ca9b>] __x64_sys_mount+0x26/0x30 fs/namespace.c:3363
    [<00000000e8001d09>] do_syscall_64+0x73/0x1f0 arch/x86/entry/common.c:290
    [<000000008b0583ef>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff88811d66c4c0 (size 32):
  comm "syz-executor153", pid 6821, jiffies 4294944655 (age 17.820s)
  hex dump (first 32 bytes):
    34 32 39 34 39 34 34 36 35 35 00 00 00 00 00 00  4294944655......
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
  backtrace:
    [<0000000097074d50>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline]
    [<0000000097074d50>] slab_post_alloc_hook mm/slab.h:586 [inline]
    [<0000000097074d50>] slab_alloc mm/slab.c:3319 [inline]
    [<0000000097074d50>] kmem_cache_alloc_trace+0x145/0x2c0 mm/slab.c:3548
    [<000000005103ae16>] kmalloc include/linux/slab.h:552 [inline]
    [<000000005103ae16>] v9fs_random_cachetag fs/9p/cache.c:36 [inline]
    [<000000005103ae16>] v9fs_cache_session_get_cookie+0xa6/0x110 fs/9p/cache.c:52
    [<00000000c764e792>] v9fs_session_init+0x5c3/0x880 fs/9p/v9fs.c:470
    [<000000009e82ccc6>] v9fs_mount+0x5e/0x3c0 fs/9p/vfs_super.c:124
    [<000000002023d149>] legacy_get_tree+0x27/0x80 fs/fs_context.c:647
    [<00000000d5f4b3b7>] vfs_get_tree+0x2d/0xe0 fs/super.c:1542
    [<00000000d08d2538>] do_new_mount fs/namespace.c:2823 [inline]
    [<00000000d08d2538>] do_mount+0x95f/0xc60 fs/namespace.c:3143
    [<000000006722a88f>] ksys_mount+0xab/0x120 fs/namespace.c:3352
    [<000000005af6ca9b>] __do_sys_mount fs/namespace.c:3366 [inline]
    [<000000005af6ca9b>] __se_sys_mount fs/namespace.c:3363 [inline]
    [<000000005af6ca9b>] __x64_sys_mount+0x26/0x30 fs/namespace.c:3363
    [<00000000e8001d09>] do_syscall_64+0x73/0x1f0 arch/x86/entry/common.c:290
    [<000000008b0583ef>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff88811d682b60 (size 32):
  comm "syz-executor153", pid 6817, jiffies 4294944649 (age 18.810s)
  hex dump (first 32 bytes):
    34 32 39 34 39 34 34 36 34 39 00 00 00 00 00 00  4294944649......
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
  backtrace:
    [<0000000097074d50>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline]
    [<0000000097074d50>] slab_post_alloc_hook mm/slab.h:586 [inline]
    [<0000000097074d50>] slab_alloc mm/slab.c:3319 [inline]
    [<0000000097074d50>] kmem_cache_alloc_trace+0x145/0x2c0 mm/slab.c:3548
    [<000000005103ae16>] kmalloc include/linux/slab.h:552 [inline]
    [<000000005103ae16>] v9fs_random_cachetag fs/9p/cache.c:36 [inline]
    [<000000005103ae16>] v9fs_cache_session_get_cookie+0xa6/0x110 fs/9p/cache.c:52
    [<00000000c764e792>] v9fs_session_init+0x5c3/0x880 fs/9p/v9fs.c:470
    [<000000009e82ccc6>] v9fs_mount+0x5e/0x3c0 fs/9p/vfs_super.c:124
    [<000000002023d149>] legacy_get_tree+0x27/0x80 fs/fs_context.c:647
    [<00000000d5f4b3b7>] vfs_get_tree+0x2d/0xe0 fs/super.c:1542
    [<00000000d08d2538>] do_new_mount fs/namespace.c:2823 [inline]
    [<00000000d08d2538>] do_mount+0x95f/0xc60 fs/namespace.c:3143
    [<000000006722a88f>] ksys_mount+0xab/0x120 fs/namespace.c:3352
    [<000000005af6ca9b>] __do_sys_mount fs/namespace.c:3366 [inline]
    [<000000005af6ca9b>] __se_sys_mount fs/namespace.c:3363 [inline]
    [<000000005af6ca9b>] __x64_sys_mount+0x26/0x30 fs/namespace.c:3363
    [<00000000e8001d09>] do_syscall_64+0x73/0x1f0 arch/x86/entry/common.c:290
    [<000000008b0583ef>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff88811ba7b300 (size 32):
  comm "syz-executor153", pid 6820, jiffies 4294944649 (age 18.810s)
  hex dump (first 32 bytes):
    34 32 39 34 39 34 34 36 34 39 00 00 00 00 00 00  4294944649......
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
  backtrace:
    [<0000000097074d50>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline]
    [<0000000097074d50>] slab_post_alloc_hook mm/slab.h:586 [inline]
    [<0000000097074d50>] slab_alloc mm/slab.c:3319 [inline]
    [<0000000097074d50>] kmem_cache_alloc_trace+0x145/0x2c0 mm/slab.c:3548
    [<000000005103ae16>] kmalloc include/linux/slab.h:552 [inline]
    [<000000005103ae16>] v9fs_random_cachetag fs/9p/cache.c:36 [inline]
    [<000000005103ae16>] v9fs_cache_session_get_cookie+0xa6/0x110 fs/9p/cache.c:52
    [<00000000c764e792>] v9fs_session_init+0x5c3/0x880 fs/9p/v9fs.c:470
    [<000000009e82ccc6>] v9fs_mount+0x5e/0x3c0 fs/9p/vfs_super.c:124
    [<000000002023d149>] legacy_get_tree+0x27/0x80 fs/fs_context.c:647
    [<00000000d5f4b3b7>] vfs_get_tree+0x2d/0xe0 fs/super.c:1542
    [<00000000d08d2538>] do_new_mount fs/namespace.c:2823 [inline]
    [<00000000d08d2538>] do_mount+0x95f/0xc60 fs/namespace.c:3143
    [<000000006722a88f>] ksys_mount+0xab/0x120 fs/namespace.c:3352
    [<000000005af6ca9b>] __do_sys_mount fs/namespace.c:3366 [inline]
    [<000000005af6ca9b>] __se_sys_mount fs/namespace.c:3363 [inline]
    [<000000005af6ca9b>] __x64_sys_mount+0x26/0x30 fs/namespace.c:3363
    [<00000000e8001d09>] do_syscall_64+0x73/0x1f0 arch/x86/entry/common.c:290
    [<000000008b0583ef>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff88811ba7b680 (size 32):
  comm "syz-executor153", pid 6825, jiffies 4294944650 (age 18.800s)
  hex dump (first 32 bytes):
    34 32 39 34 39 34 34 36 35 30 00 00 00 00 00 00  4294944650......
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
  backtrace:
    [<0000000097074d50>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline]
    [<0000000097074d50>] slab_post_alloc_hook mm/slab.h:586 [inline]
    [<0000000097074d50>] slab_alloc mm/slab.c:3319 [inline]
    [<0000000097074d50>] kmem_cache_alloc_trace+0x145/0x2c0 mm/slab.c:3548
    [<000000005103ae16>] kmalloc include/linux/slab.h:552 [inline]
    [<000000005103ae16>] v9fs_random_cachetag fs/9p/cache.c:36 [inline]
    [<000000005103ae16>] v9fs_cache_session_get_cookie+0xa6/0x110 fs/9p/cache.c:52
    [<00000000c764e792>] v9fs_session_init+0x5c3/0x880 fs/9p/v9fs.c:470
    [<000000009e82ccc6>] v9fs_mount+0x5e/0x3c0 fs/9p/vfs_super.c:124
    [<000000002023d149>] legacy_get_tree+0x27/0x80 fs/fs_context.c:647
    [<00000000d5f4b3b7>] vfs_get_tree+0x2d/0xe0 fs/super.c:1542
    [<00000000d08d2538>] do_new_mount fs/namespace.c:2823 [inline]
    [<00000000d08d2538>] do_mount+0x95f/0xc60 fs/namespace.c:3143
    [<000000006722a88f>] ksys_mount+0xab/0x120 fs/namespace.c:3352
    [<000000005af6ca9b>] __do_sys_mount fs/namespace.c:3366 [inline]
    [<000000005af6ca9b>] __se_sys_mount fs/namespace.c:3363 [inline]
    [<000000005af6ca9b>] __x64_sys_mount+0x26/0x30 fs/namespace.c:3363
    [<00000000e8001d09>] do_syscall_64+0x73/0x1f0 arch/x86/entry/common.c:290
    [<000000008b0583ef>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff88811d66c4c0 (size 32):
  comm "syz-executor153", pid 6821, jiffies 4294944655 (age 18.750s)
  hex dump (first 32 bytes):
    34 32 39 34 39 34 34 36 35 35 00 00 00 00 00 00  4294944655......
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
  backtrace:
    [<0000000097074d50>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline]
    [<0000000097074d50>] slab_post_alloc_hook mm/slab.h:586 [inline]
    [<0000000097074d50>] slab_alloc mm/slab.c:3319 [inline]
    [<0000000097074d50>] kmem_cache_alloc_trace+0x145/0x2c0 mm/slab.c:3548
    [<000000005103ae16>] kmalloc include/linux/slab.h:552 [inline]
    [<000000005103ae16>] v9fs_random_cachetag fs/9p/cache.c:36 [inline]
    [<000000005103ae16>] v9fs_cache_session_get_cookie+0xa6/0x110 fs/9p/cache.c:52
    [<00000000c764e792>] v9fs_session_init+0x5c3/0x880 fs/9p/v9fs.c:470
    [<000000009e82ccc6>] v9fs_mount+0x5e/0x3c0 fs/9p/vfs_super.c:124
    [<000000002023d149>] legacy_get_tree+0x27/0x80 fs/fs_context.c:647
    [<00000000d5f4b3b7>] vfs_get_tree+0x2d/0xe0 fs/super.c:1542
    [<00000000d08d2538>] do_new_mount fs/namespace.c:2823 [inline]
    [<00000000d08d2538>] do_mount+0x95f/0xc60 fs/namespace.c:3143
    [<000000006722a88f>] ksys_mount+0xab/0x120 fs/namespace.c:3352
    [<000000005af6ca9b>] __do_sys_mount fs/namespace.c:3366 [inline]
    [<000000005af6ca9b>] __se_sys_mount fs/namespace.c:3363 [inline]
    [<000000005af6ca9b>] __x64_sys_mount+0x26/0x30 fs/namespace.c:3363
    [<00000000e8001d09>] do_syscall_64+0x73/0x1f0 arch/x86/entry/common.c:290
    [<000000008b0583ef>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

executing program
executing program
executing program
executing program