BUG: memory leak
unreferenced object 0xffff88811d0ab3c0 (size 32):
  comm "syz-executor873", pid 6875, jiffies 4294947936 (age 16.170s)
  hex dump (first 32 bytes):
    34 32 39 34 39 34 37 39 33 36 00 04 00 ea ff ff  4294947936......
    c0 35 66 04 00 ea ff ff 00 34 66 04 00 ea ff ff  .5f......4f.....
  backtrace:
    [<0000000064c24479>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline]
    [<0000000064c24479>] slab_post_alloc_hook mm/slab.h:586 [inline]
    [<0000000064c24479>] slab_alloc mm/slab.c:3319 [inline]
    [<0000000064c24479>] kmem_cache_alloc_trace+0x145/0x2c0 mm/slab.c:3548
    [<0000000047b17e6b>] kmalloc include/linux/slab.h:556 [inline]
    [<0000000047b17e6b>] v9fs_random_cachetag fs/9p/cache.c:36 [inline]
    [<0000000047b17e6b>] v9fs_cache_session_get_cookie+0xa6/0x110 fs/9p/cache.c:52
    [<00000000387817bf>] v9fs_session_init+0x5c3/0x880 fs/9p/v9fs.c:470
    [<00000000e1b67b24>] v9fs_mount+0x5e/0x3c0 fs/9p/vfs_super.c:124
    [<0000000096cfecb5>] legacy_get_tree+0x27/0x80 fs/fs_context.c:647
    [<00000000ae6b760e>] vfs_get_tree+0x2d/0xe0 fs/super.c:1545
    [<000000002866953d>] do_new_mount fs/namespace.c:2823 [inline]
    [<000000002866953d>] do_mount+0x95f/0xc60 fs/namespace.c:3143
    [<0000000039d7acda>] ksys_mount+0xab/0x120 fs/namespace.c:3352
    [<0000000009370cb5>] __do_sys_mount fs/namespace.c:3366 [inline]
    [<0000000009370cb5>] __se_sys_mount fs/namespace.c:3363 [inline]
    [<0000000009370cb5>] __x64_sys_mount+0x26/0x30 fs/namespace.c:3363
    [<00000000105f90cc>] do_syscall_64+0x73/0x1f0 arch/x86/entry/common.c:290
    [<000000007025d15b>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff888118fc5d80 (size 32):
  comm "syz-executor873", pid 6876, jiffies 4294947936 (age 16.170s)
  hex dump (first 32 bytes):
    34 32 39 34 39 34 37 39 33 36 00 73 74 65 6d 5f  4294947936.stem_
    72 3a 6b 65 72 6e 65 6c 5f 74 3a 73 30 00 00 00  r:kernel_t:s0...
  backtrace:
    [<0000000064c24479>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline]
    [<0000000064c24479>] slab_post_alloc_hook mm/slab.h:586 [inline]
    [<0000000064c24479>] slab_alloc mm/slab.c:3319 [inline]
    [<0000000064c24479>] kmem_cache_alloc_trace+0x145/0x2c0 mm/slab.c:3548
    [<0000000047b17e6b>] kmalloc include/linux/slab.h:556 [inline]
    [<0000000047b17e6b>] v9fs_random_cachetag fs/9p/cache.c:36 [inline]
    [<0000000047b17e6b>] v9fs_cache_session_get_cookie+0xa6/0x110 fs/9p/cache.c:52
    [<00000000387817bf>] v9fs_session_init+0x5c3/0x880 fs/9p/v9fs.c:470
    [<00000000e1b67b24>] v9fs_mount+0x5e/0x3c0 fs/9p/vfs_super.c:124
    [<0000000096cfecb5>] legacy_get_tree+0x27/0x80 fs/fs_context.c:647
    [<00000000ae6b760e>] vfs_get_tree+0x2d/0xe0 fs/super.c:1545
    [<000000002866953d>] do_new_mount fs/namespace.c:2823 [inline]
    [<000000002866953d>] do_mount+0x95f/0xc60 fs/namespace.c:3143
    [<0000000039d7acda>] ksys_mount+0xab/0x120 fs/namespace.c:3352
    [<0000000009370cb5>] __do_sys_mount fs/namespace.c:3366 [inline]
    [<0000000009370cb5>] __se_sys_mount fs/namespace.c:3363 [inline]
    [<0000000009370cb5>] __x64_sys_mount+0x26/0x30 fs/namespace.c:3363
    [<00000000105f90cc>] do_syscall_64+0x73/0x1f0 arch/x86/entry/common.c:290
    [<000000007025d15b>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff8881198daca0 (size 32):
  comm "syz-executor873", pid 6881, jiffies 4294947936 (age 16.170s)
  hex dump (first 32 bytes):
    34 32 39 34 39 34 37 39 33 36 00 00 00 00 00 00  4294947936......
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
  backtrace:
    [<0000000064c24479>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline]
    [<0000000064c24479>] slab_post_alloc_hook mm/slab.h:586 [inline]
    [<0000000064c24479>] slab_alloc mm/slab.c:3319 [inline]
    [<0000000064c24479>] kmem_cache_alloc_trace+0x145/0x2c0 mm/slab.c:3548
    [<0000000047b17e6b>] kmalloc include/linux/slab.h:556 [inline]
    [<0000000047b17e6b>] v9fs_random_cachetag fs/9p/cache.c:36 [inline]
    [<0000000047b17e6b>] v9fs_cache_session_get_cookie+0xa6/0x110 fs/9p/cache.c:52
    [<00000000387817bf>] v9fs_session_init+0x5c3/0x880 fs/9p/v9fs.c:470
    [<00000000e1b67b24>] v9fs_mount+0x5e/0x3c0 fs/9p/vfs_super.c:124
    [<0000000096cfecb5>] legacy_get_tree+0x27/0x80 fs/fs_context.c:647
    [<00000000ae6b760e>] vfs_get_tree+0x2d/0xe0 fs/super.c:1545
    [<000000002866953d>] do_new_mount fs/namespace.c:2823 [inline]
    [<000000002866953d>] do_mount+0x95f/0xc60 fs/namespace.c:3143
    [<0000000039d7acda>] ksys_mount+0xab/0x120 fs/namespace.c:3352
    [<0000000009370cb5>] __do_sys_mount fs/namespace.c:3366 [inline]
    [<0000000009370cb5>] __se_sys_mount fs/namespace.c:3363 [inline]
    [<0000000009370cb5>] __x64_sys_mount+0x26/0x30 fs/namespace.c:3363
    [<00000000105f90cc>] do_syscall_64+0x73/0x1f0 arch/x86/entry/common.c:290
    [<000000007025d15b>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff8881198da880 (size 32):
  comm "syz-executor873", pid 6880, jiffies 4294947936 (age 16.170s)
  hex dump (first 32 bytes):
    34 32 39 34 39 34 37 39 33 36 00 00 00 00 00 00  4294947936......
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
  backtrace:
    [<0000000064c24479>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline]
    [<0000000064c24479>] slab_post_alloc_hook mm/slab.h:586 [inline]
    [<0000000064c24479>] slab_alloc mm/slab.c:3319 [inline]
    [<0000000064c24479>] kmem_cache_alloc_trace+0x145/0x2c0 mm/slab.c:3548
    [<0000000047b17e6b>] kmalloc include/linux/slab.h:556 [inline]
    [<0000000047b17e6b>] v9fs_random_cachetag fs/9p/cache.c:36 [inline]
    [<0000000047b17e6b>] v9fs_cache_session_get_cookie+0xa6/0x110 fs/9p/cache.c:52
    [<00000000387817bf>] v9fs_session_init+0x5c3/0x880 fs/9p/v9fs.c:470
    [<00000000e1b67b24>] v9fs_mount+0x5e/0x3c0 fs/9p/vfs_super.c:124
    [<0000000096cfecb5>] legacy_get_tree+0x27/0x80 fs/fs_context.c:647
    [<00000000ae6b760e>] vfs_get_tree+0x2d/0xe0 fs/super.c:1545
    [<000000002866953d>] do_new_mount fs/namespace.c:2823 [inline]
    [<000000002866953d>] do_mount+0x95f/0xc60 fs/namespace.c:3143
    [<0000000039d7acda>] ksys_mount+0xab/0x120 fs/namespace.c:3352
    [<0000000009370cb5>] __do_sys_mount fs/namespace.c:3366 [inline]
    [<0000000009370cb5>] __se_sys_mount fs/namespace.c:3363 [inline]
    [<0000000009370cb5>] __x64_sys_mount+0x26/0x30 fs/namespace.c:3363
    [<00000000105f90cc>] do_syscall_64+0x73/0x1f0 arch/x86/entry/common.c:290
    [<000000007025d15b>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff88811d0ab3c0 (size 32):
  comm "syz-executor873", pid 6875, jiffies 4294947936 (age 17.070s)
  hex dump (first 32 bytes):
    34 32 39 34 39 34 37 39 33 36 00 04 00 ea ff ff  4294947936......
    c0 35 66 04 00 ea ff ff 00 34 66 04 00 ea ff ff  .5f......4f.....
  backtrace:
    [<0000000064c24479>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline]
    [<0000000064c24479>] slab_post_alloc_hook mm/slab.h:586 [inline]
    [<0000000064c24479>] slab_alloc mm/slab.c:3319 [inline]
    [<0000000064c24479>] kmem_cache_alloc_trace+0x145/0x2c0 mm/slab.c:3548
    [<0000000047b17e6b>] kmalloc include/linux/slab.h:556 [inline]
    [<0000000047b17e6b>] v9fs_random_cachetag fs/9p/cache.c:36 [inline]
    [<0000000047b17e6b>] v9fs_cache_session_get_cookie+0xa6/0x110 fs/9p/cache.c:52
    [<00000000387817bf>] v9fs_session_init+0x5c3/0x880 fs/9p/v9fs.c:470
    [<00000000e1b67b24>] v9fs_mount+0x5e/0x3c0 fs/9p/vfs_super.c:124
    [<0000000096cfecb5>] legacy_get_tree+0x27/0x80 fs/fs_context.c:647
    [<00000000ae6b760e>] vfs_get_tree+0x2d/0xe0 fs/super.c:1545
    [<000000002866953d>] do_new_mount fs/namespace.c:2823 [inline]
    [<000000002866953d>] do_mount+0x95f/0xc60 fs/namespace.c:3143
    [<0000000039d7acda>] ksys_mount+0xab/0x120 fs/namespace.c:3352
    [<0000000009370cb5>] __do_sys_mount fs/namespace.c:3366 [inline]
    [<0000000009370cb5>] __se_sys_mount fs/namespace.c:3363 [inline]
    [<0000000009370cb5>] __x64_sys_mount+0x26/0x30 fs/namespace.c:3363
    [<00000000105f90cc>] do_syscall_64+0x73/0x1f0 arch/x86/entry/common.c:290
    [<000000007025d15b>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff888118fc5d80 (size 32):
  comm "syz-executor873", pid 6876, jiffies 4294947936 (age 17.070s)
  hex dump (first 32 bytes):
    34 32 39 34 39 34 37 39 33 36 00 73 74 65 6d 5f  4294947936.stem_
    72 3a 6b 65 72 6e 65 6c 5f 74 3a 73 30 00 00 00  r:kernel_t:s0...
  backtrace:
    [<0000000064c24479>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline]
    [<0000000064c24479>] slab_post_alloc_hook mm/slab.h:586 [inline]
    [<0000000064c24479>] slab_alloc mm/slab.c:3319 [inline]
    [<0000000064c24479>] kmem_cache_alloc_trace+0x145/0x2c0 mm/slab.c:3548
    [<0000000047b17e6b>] kmalloc include/linux/slab.h:556 [inline]
    [<0000000047b17e6b>] v9fs_random_cachetag fs/9p/cache.c:36 [inline]
    [<0000000047b17e6b>] v9fs_cache_session_get_cookie+0xa6/0x110 fs/9p/cache.c:52
    [<00000000387817bf>] v9fs_session_init+0x5c3/0x880 fs/9p/v9fs.c:470
    [<00000000e1b67b24>] v9fs_mount+0x5e/0x3c0 fs/9p/vfs_super.c:124
    [<0000000096cfecb5>] legacy_get_tree+0x27/0x80 fs/fs_context.c:647
    [<00000000ae6b760e>] vfs_get_tree+0x2d/0xe0 fs/super.c:1545
    [<000000002866953d>] do_new_mount fs/namespace.c:2823 [inline]
    [<000000002866953d>] do_mount+0x95f/0xc60 fs/namespace.c:3143
    [<0000000039d7acda>] ksys_mount+0xab/0x120 fs/namespace.c:3352
    [<0000000009370cb5>] __do_sys_mount fs/namespace.c:3366 [inline]
    [<0000000009370cb5>] __se_sys_mount fs/namespace.c:3363 [inline]
    [<0000000009370cb5>] __x64_sys_mount+0x26/0x30 fs/namespace.c:3363
    [<00000000105f90cc>] do_syscall_64+0x73/0x1f0 arch/x86/entry/common.c:290
    [<000000007025d15b>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff8881198daca0 (size 32):
  comm "syz-executor873", pid 6881, jiffies 4294947936 (age 17.070s)
  hex dump (first 32 bytes):
    34 32 39 34 39 34 37 39 33 36 00 00 00 00 00 00  4294947936......
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
  backtrace:
    [<0000000064c24479>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline]
    [<0000000064c24479>] slab_post_alloc_hook mm/slab.h:586 [inline]
    [<0000000064c24479>] slab_alloc mm/slab.c:3319 [inline]
    [<0000000064c24479>] kmem_cache_alloc_trace+0x145/0x2c0 mm/slab.c:3548
    [<0000000047b17e6b>] kmalloc include/linux/slab.h:556 [inline]
    [<0000000047b17e6b>] v9fs_random_cachetag fs/9p/cache.c:36 [inline]
    [<0000000047b17e6b>] v9fs_cache_session_get_cookie+0xa6/0x110 fs/9p/cache.c:52
    [<00000000387817bf>] v9fs_session_init+0x5c3/0x880 fs/9p/v9fs.c:470
    [<00000000e1b67b24>] v9fs_mount+0x5e/0x3c0 fs/9p/vfs_super.c:124
    [<0000000096cfecb5>] legacy_get_tree+0x27/0x80 fs/fs_context.c:647
    [<00000000ae6b760e>] vfs_get_tree+0x2d/0xe0 fs/super.c:1545
    [<000000002866953d>] do_new_mount fs/namespace.c:2823 [inline]
    [<000000002866953d>] do_mount+0x95f/0xc60 fs/namespace.c:3143
    [<0000000039d7acda>] ksys_mount+0xab/0x120 fs/namespace.c:3352
    [<0000000009370cb5>] __do_sys_mount fs/namespace.c:3366 [inline]
    [<0000000009370cb5>] __se_sys_mount fs/namespace.c:3363 [inline]
    [<0000000009370cb5>] __x64_sys_mount+0x26/0x30 fs/namespace.c:3363
    [<00000000105f90cc>] do_syscall_64+0x73/0x1f0 arch/x86/entry/common.c:290
    [<000000007025d15b>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff8881198da880 (size 32):
  comm "syz-executor873", pid 6880, jiffies 4294947936 (age 17.070s)
  hex dump (first 32 bytes):
    34 32 39 34 39 34 37 39 33 36 00 00 00 00 00 00  4294947936......
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
  backtrace:
    [<0000000064c24479>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline]
    [<0000000064c24479>] slab_post_alloc_hook mm/slab.h:586 [inline]
    [<0000000064c24479>] slab_alloc mm/slab.c:3319 [inline]
    [<0000000064c24479>] kmem_cache_alloc_trace+0x145/0x2c0 mm/slab.c:3548
    [<0000000047b17e6b>] kmalloc include/linux/slab.h:556 [inline]
    [<0000000047b17e6b>] v9fs_random_cachetag fs/9p/cache.c:36 [inline]
    [<0000000047b17e6b>] v9fs_cache_session_get_cookie+0xa6/0x110 fs/9p/cache.c:52
    [<00000000387817bf>] v9fs_session_init+0x5c3/0x880 fs/9p/v9fs.c:470
    [<00000000e1b67b24>] v9fs_mount+0x5e/0x3c0 fs/9p/vfs_super.c:124
    [<0000000096cfecb5>] legacy_get_tree+0x27/0x80 fs/fs_context.c:647
    [<00000000ae6b760e>] vfs_get_tree+0x2d/0xe0 fs/super.c:1545
    [<000000002866953d>] do_new_mount fs/namespace.c:2823 [inline]
    [<000000002866953d>] do_mount+0x95f/0xc60 fs/namespace.c:3143
    [<0000000039d7acda>] ksys_mount+0xab/0x120 fs/namespace.c:3352
    [<0000000009370cb5>] __do_sys_mount fs/namespace.c:3366 [inline]
    [<0000000009370cb5>] __se_sys_mount fs/namespace.c:3363 [inline]
    [<0000000009370cb5>] __x64_sys_mount+0x26/0x30 fs/namespace.c:3363
    [<00000000105f90cc>] do_syscall_64+0x73/0x1f0 arch/x86/entry/common.c:290
    [<000000007025d15b>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff88811d0ab3c0 (size 32):
  comm "syz-executor873", pid 6875, jiffies 4294947936 (age 17.120s)
  hex dump (first 32 bytes):
    34 32 39 34 39 34 37 39 33 36 00 04 00 ea ff ff  4294947936......
    c0 35 66 04 00 ea ff ff 00 34 66 04 00 ea ff ff  .5f......4f.....
  backtrace:
    [<0000000064c24479>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline]
    [<0000000064c24479>] slab_post_alloc_hook mm/slab.h:586 [inline]
    [<0000000064c24479>] slab_alloc mm/slab.c:3319 [inline]
    [<0000000064c24479>] kmem_cache_alloc_trace+0x145/0x2c0 mm/slab.c:3548
    [<0000000047b17e6b>] kmalloc include/linux/slab.h:556 [inline]
    [<0000000047b17e6b>] v9fs_random_cachetag fs/9p/cache.c:36 [inline]
    [<0000000047b17e6b>] v9fs_cache_session_get_cookie+0xa6/0x110 fs/9p/cache.c:52
    [<00000000387817bf>] v9fs_session_init+0x5c3/0x880 fs/9p/v9fs.c:470
    [<00000000e1b67b24>] v9fs_mount+0x5e/0x3c0 fs/9p/vfs_super.c:124
    [<0000000096cfecb5>] legacy_get_tree+0x27/0x80 fs/fs_context.c:647
    [<00000000ae6b760e>] vfs_get_tree+0x2d/0xe0 fs/super.c:1545
    [<000000002866953d>] do_new_mount fs/namespace.c:2823 [inline]
    [<000000002866953d>] do_mount+0x95f/0xc60 fs/namespace.c:3143
    [<0000000039d7acda>] ksys_mount+0xab/0x120 fs/namespace.c:3352
    [<0000000009370cb5>] __do_sys_mount fs/namespace.c:3366 [inline]
    [<0000000009370cb5>] __se_sys_mount fs/namespace.c:3363 [inline]
    [<0000000009370cb5>] __x64_sys_mount+0x26/0x30 fs/namespace.c:3363
    [<00000000105f90cc>] do_syscall_64+0x73/0x1f0 arch/x86/entry/common.c:290
    [<000000007025d15b>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff888118fc5d80 (size 32):
  comm "syz-executor873", pid 6876, jiffies 4294947936 (age 17.120s)
  hex dump (first 32 bytes):
    34 32 39 34 39 34 37 39 33 36 00 73 74 65 6d 5f  4294947936.stem_
    72 3a 6b 65 72 6e 65 6c 5f 74 3a 73 30 00 00 00  r:kernel_t:s0...
  backtrace:
    [<0000000064c24479>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline]
    [<0000000064c24479>] slab_post_alloc_hook mm/slab.h:586 [inline]
    [<0000000064c24479>] slab_alloc mm/slab.c:3319 [inline]
    [<0000000064c24479>] kmem_cache_alloc_trace+0x145/0x2c0 mm/slab.c:3548
    [<0000000047b17e6b>] kmalloc include/linux/slab.h:556 [inline]
    [<0000000047b17e6b>] v9fs_random_cachetag fs/9p/cache.c:36 [inline]
    [<0000000047b17e6b>] v9fs_cache_session_get_cookie+0xa6/0x110 fs/9p/cache.c:52
    [<00000000387817bf>] v9fs_session_init+0x5c3/0x880 fs/9p/v9fs.c:470
    [<00000000e1b67b24>] v9fs_mount+0x5e/0x3c0 fs/9p/vfs_super.c:124
    [<0000000096cfecb5>] legacy_get_tree+0x27/0x80 fs/fs_context.c:647
    [<00000000ae6b760e>] vfs_get_tree+0x2d/0xe0 fs/super.c:1545
    [<000000002866953d>] do_new_mount fs/namespace.c:2823 [inline]
    [<000000002866953d>] do_mount+0x95f/0xc60 fs/namespace.c:3143
    [<0000000039d7acda>] ksys_mount+0xab/0x120 fs/namespace.c:3352
    [<0000000009370cb5>] __do_sys_mount fs/namespace.c:3366 [inline]
    [<0000000009370cb5>] __se_sys_mount fs/namespace.c:3363 [inline]
    [<0000000009370cb5>] __x64_sys_mount+0x26/0x30 fs/namespace.c:3363
    [<00000000105f90cc>] do_syscall_64+0x73/0x1f0 arch/x86/entry/common.c:290
    [<000000007025d15b>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff8881198daca0 (size 32):
  comm "syz-executor873", pid 6881, jiffies 4294947936 (age 17.120s)
  hex dump (first 32 bytes):
    34 32 39 34 39 34 37 39 33 36 00 00 00 00 00 00  4294947936......
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
  backtrace:
    [<0000000064c24479>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline]
    [<0000000064c24479>] slab_post_alloc_hook mm/slab.h:586 [inline]
    [<0000000064c24479>] slab_alloc mm/slab.c:3319 [inline]
    [<0000000064c24479>] kmem_cache_alloc_trace+0x145/0x2c0 mm/slab.c:3548
    [<0000000047b17e6b>] kmalloc include/linux/slab.h:556 [inline]
    [<0000000047b17e6b>] v9fs_random_cachetag fs/9p/cache.c:36 [inline]
    [<0000000047b17e6b>] v9fs_cache_session_get_cookie+0xa6/0x110 fs/9p/cache.c:52
    [<00000000387817bf>] v9fs_session_init+0x5c3/0x880 fs/9p/v9fs.c:470
    [<00000000e1b67b24>] v9fs_mount+0x5e/0x3c0 fs/9p/vfs_super.c:124
    [<0000000096cfecb5>] legacy_get_tree+0x27/0x80 fs/fs_context.c:647
    [<00000000ae6b760e>] vfs_get_tree+0x2d/0xe0 fs/super.c:1545
    [<000000002866953d>] do_new_mount fs/namespace.c:2823 [inline]
    [<000000002866953d>] do_mount+0x95f/0xc60 fs/namespace.c:3143
    [<0000000039d7acda>] ksys_mount+0xab/0x120 fs/namespace.c:3352
    [<0000000009370cb5>] __do_sys_mount fs/namespace.c:3366 [inline]
    [<0000000009370cb5>] __se_sys_mount fs/namespace.c:3363 [inline]
    [<0000000009370cb5>] __x64_sys_mount+0x26/0x30 fs/namespace.c:3363
    [<00000000105f90cc>] do_syscall_64+0x73/0x1f0 arch/x86/entry/common.c:290
    [<000000007025d15b>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff8881198da880 (size 32):
  comm "syz-executor873", pid 6880, jiffies 4294947936 (age 17.120s)
  hex dump (first 32 bytes):
    34 32 39 34 39 34 37 39 33 36 00 00 00 00 00 00  4294947936......
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
  backtrace:
    [<0000000064c24479>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline]
    [<0000000064c24479>] slab_post_alloc_hook mm/slab.h:586 [inline]
    [<0000000064c24479>] slab_alloc mm/slab.c:3319 [inline]
    [<0000000064c24479>] kmem_cache_alloc_trace+0x145/0x2c0 mm/slab.c:3548
    [<0000000047b17e6b>] kmalloc include/linux/slab.h:556 [inline]
    [<0000000047b17e6b>] v9fs_random_cachetag fs/9p/cache.c:36 [inline]
    [<0000000047b17e6b>] v9fs_cache_session_get_cookie+0xa6/0x110 fs/9p/cache.c:52
    [<00000000387817bf>] v9fs_session_init+0x5c3/0x880 fs/9p/v9fs.c:470
    [<00000000e1b67b24>] v9fs_mount+0x5e/0x3c0 fs/9p/vfs_super.c:124
    [<0000000096cfecb5>] legacy_get_tree+0x27/0x80 fs/fs_context.c:647
    [<00000000ae6b760e>] vfs_get_tree+0x2d/0xe0 fs/super.c:1545
    [<000000002866953d>] do_new_mount fs/namespace.c:2823 [inline]
    [<000000002866953d>] do_mount+0x95f/0xc60 fs/namespace.c:3143
    [<0000000039d7acda>] ksys_mount+0xab/0x120 fs/namespace.c:3352
    [<0000000009370cb5>] __do_sys_mount fs/namespace.c:3366 [inline]
    [<0000000009370cb5>] __se_sys_mount fs/namespace.c:3363 [inline]
    [<0000000009370cb5>] __x64_sys_mount+0x26/0x30 fs/namespace.c:3363
    [<00000000105f90cc>] do_syscall_64+0x73/0x1f0 arch/x86/entry/common.c:290
    [<000000007025d15b>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

executing program
executing program
executing program
executing program
executing program