BUG: memory leak
unreferenced object 0xffff888117214f60 (size 32):
  comm "syz-executor600", pid 6430, jiffies 4294949667 (age 18.960s)
  hex dump (first 32 bytes):
    34 32 39 34 39 34 39 36 36 37 00 83 ff ff ff ff  4294949667......
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
  backtrace:
    [<00000000f9a8f8ee>] kmalloc include/linux/slab.h:555 [inline]
    [<00000000f9a8f8ee>] v9fs_random_cachetag fs/9p/cache.c:36 [inline]
    [<00000000f9a8f8ee>] v9fs_cache_session_get_cookie+0x98/0x100 fs/9p/cache.c:52
    [<00000000cf49a4a1>] v9fs_session_init+0x5a1/0x840 fs/9p/v9fs.c:470
    [<00000000b5980215>] v9fs_mount+0x56/0x390 fs/9p/vfs_super.c:124
    [<00000000a34c9bb4>] legacy_get_tree+0x26/0x70 fs/fs_context.c:592
    [<000000006af69def>] vfs_get_tree+0x28/0xe0 fs/super.c:1547
    [<00000000c5819b1d>] do_new_mount fs/namespace.c:2875 [inline]
    [<00000000c5819b1d>] do_mount+0xa63/0xe40 fs/namespace.c:3200
    [<00000000f25a3909>] __do_sys_mount fs/namespace.c:3410 [inline]
    [<00000000f25a3909>] __se_sys_mount fs/namespace.c:3387 [inline]
    [<00000000f25a3909>] __x64_sys_mount+0xb0/0x120 fs/namespace.c:3387
    [<000000001e6daee9>] do_syscall_64+0x4c/0xe0 arch/x86/entry/common.c:384
    [<00000000ff61eed8>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff88811801ed20 (size 32):
  comm "syz-executor600", pid 6436, jiffies 4294949667 (age 18.960s)
  hex dump (first 32 bytes):
    34 32 39 34 39 34 39 36 36 37 00 04 00 ea ff ff  4294949667......
    00 06 61 04 00 ea ff ff 00 71 71 04 00 ea ff ff  ..a......qq.....
  backtrace:
    [<00000000f9a8f8ee>] kmalloc include/linux/slab.h:555 [inline]
    [<00000000f9a8f8ee>] v9fs_random_cachetag fs/9p/cache.c:36 [inline]
    [<00000000f9a8f8ee>] v9fs_cache_session_get_cookie+0x98/0x100 fs/9p/cache.c:52
    [<00000000cf49a4a1>] v9fs_session_init+0x5a1/0x840 fs/9p/v9fs.c:470
    [<00000000b5980215>] v9fs_mount+0x56/0x390 fs/9p/vfs_super.c:124
    [<00000000a34c9bb4>] legacy_get_tree+0x26/0x70 fs/fs_context.c:592
    [<000000006af69def>] vfs_get_tree+0x28/0xe0 fs/super.c:1547
    [<00000000c5819b1d>] do_new_mount fs/namespace.c:2875 [inline]
    [<00000000c5819b1d>] do_mount+0xa63/0xe40 fs/namespace.c:3200
    [<00000000f25a3909>] __do_sys_mount fs/namespace.c:3410 [inline]
    [<00000000f25a3909>] __se_sys_mount fs/namespace.c:3387 [inline]
    [<00000000f25a3909>] __x64_sys_mount+0xb0/0x120 fs/namespace.c:3387
    [<000000001e6daee9>] do_syscall_64+0x4c/0xe0 arch/x86/entry/common.c:384
    [<00000000ff61eed8>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff88811801eaa0 (size 32):
  comm "syz-executor600", pid 6438, jiffies 4294949667 (age 18.960s)
  hex dump (first 32 bytes):
    34 32 39 34 39 34 39 36 36 37 00 6e 65 00 00 00  4294949667.ne...
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
  backtrace:
    [<00000000f9a8f8ee>] kmalloc include/linux/slab.h:555 [inline]
    [<00000000f9a8f8ee>] v9fs_random_cachetag fs/9p/cache.c:36 [inline]
    [<00000000f9a8f8ee>] v9fs_cache_session_get_cookie+0x98/0x100 fs/9p/cache.c:52
    [<00000000cf49a4a1>] v9fs_session_init+0x5a1/0x840 fs/9p/v9fs.c:470
    [<00000000b5980215>] v9fs_mount+0x56/0x390 fs/9p/vfs_super.c:124
    [<00000000a34c9bb4>] legacy_get_tree+0x26/0x70 fs/fs_context.c:592
    [<000000006af69def>] vfs_get_tree+0x28/0xe0 fs/super.c:1547
    [<00000000c5819b1d>] do_new_mount fs/namespace.c:2875 [inline]
    [<00000000c5819b1d>] do_mount+0xa63/0xe40 fs/namespace.c:3200
    [<00000000f25a3909>] __do_sys_mount fs/namespace.c:3410 [inline]
    [<00000000f25a3909>] __se_sys_mount fs/namespace.c:3387 [inline]
    [<00000000f25a3909>] __x64_sys_mount+0xb0/0x120 fs/namespace.c:3387
    [<000000001e6daee9>] do_syscall_64+0x4c/0xe0 arch/x86/entry/common.c:384
    [<00000000ff61eed8>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff88811801e9a0 (size 32):
  comm "syz-executor600", pid 6429, jiffies 4294949667 (age 18.960s)
  hex dump (first 32 bytes):
    34 32 39 34 39 34 39 36 36 37 00 00 00 00 00 00  4294949667......
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
  backtrace:
    [<00000000f9a8f8ee>] kmalloc include/linux/slab.h:555 [inline]
    [<00000000f9a8f8ee>] v9fs_random_cachetag fs/9p/cache.c:36 [inline]
    [<00000000f9a8f8ee>] v9fs_cache_session_get_cookie+0x98/0x100 fs/9p/cache.c:52
    [<00000000cf49a4a1>] v9fs_session_init+0x5a1/0x840 fs/9p/v9fs.c:470
    [<00000000b5980215>] v9fs_mount+0x56/0x390 fs/9p/vfs_super.c:124
    [<00000000a34c9bb4>] legacy_get_tree+0x26/0x70 fs/fs_context.c:592
    [<000000006af69def>] vfs_get_tree+0x28/0xe0 fs/super.c:1547
    [<00000000c5819b1d>] do_new_mount fs/namespace.c:2875 [inline]
    [<00000000c5819b1d>] do_mount+0xa63/0xe40 fs/namespace.c:3200
    [<00000000f25a3909>] __do_sys_mount fs/namespace.c:3410 [inline]
    [<00000000f25a3909>] __se_sys_mount fs/namespace.c:3387 [inline]
    [<00000000f25a3909>] __x64_sys_mount+0xb0/0x120 fs/namespace.c:3387
    [<000000001e6daee9>] do_syscall_64+0x4c/0xe0 arch/x86/entry/common.c:384
    [<00000000ff61eed8>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

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