BUG: memory leak
unreferenced object 0xffff88811cdfce00 (size 32):
  comm "syz-executor949", pid 6444, jiffies 4294951461 (age 22.970s)
  hex dump (first 32 bytes):
    34 32 39 34 39 35 31 34 36 31 00 03 04 05 06 07  4294951461......
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
  backtrace:
    [<00000000de028f69>] kmalloc include/linux/slab.h:555 [inline]
    [<00000000de028f69>] v9fs_random_cachetag fs/9p/cache.c:36 [inline]
    [<00000000de028f69>] v9fs_cache_session_get_cookie+0x98/0x100 fs/9p/cache.c:52
    [<00000000f330e44d>] v9fs_session_init+0x5a1/0x840 fs/9p/v9fs.c:470
    [<0000000004fd201d>] v9fs_mount+0x56/0x390 fs/9p/vfs_super.c:124
    [<00000000000a6d8e>] legacy_get_tree+0x26/0x70 fs/fs_context.c:592
    [<00000000086c063b>] vfs_get_tree+0x28/0xe0 fs/super.c:1547
    [<0000000096d86b63>] do_new_mount fs/namespace.c:2875 [inline]
    [<0000000096d86b63>] do_mount+0xa63/0xe40 fs/namespace.c:3200
    [<00000000cfed476e>] __do_sys_mount fs/namespace.c:3410 [inline]
    [<00000000cfed476e>] __se_sys_mount fs/namespace.c:3387 [inline]
    [<00000000cfed476e>] __x64_sys_mount+0xb0/0x120 fs/namespace.c:3387
    [<000000000edbcb92>] do_syscall_64+0x4c/0xe0 arch/x86/entry/common.c:384
    [<0000000010bd3587>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff888117e62ce0 (size 32):
  comm "syz-executor949", pid 6447, jiffies 4294951461 (age 22.970s)
  hex dump (first 32 bytes):
    34 32 39 34 39 35 31 34 36 31 00 00 00 00 00 00  4294951461......
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
  backtrace:
    [<00000000de028f69>] kmalloc include/linux/slab.h:555 [inline]
    [<00000000de028f69>] v9fs_random_cachetag fs/9p/cache.c:36 [inline]
    [<00000000de028f69>] v9fs_cache_session_get_cookie+0x98/0x100 fs/9p/cache.c:52
    [<00000000f330e44d>] v9fs_session_init+0x5a1/0x840 fs/9p/v9fs.c:470
    [<0000000004fd201d>] v9fs_mount+0x56/0x390 fs/9p/vfs_super.c:124
    [<00000000000a6d8e>] legacy_get_tree+0x26/0x70 fs/fs_context.c:592
    [<00000000086c063b>] vfs_get_tree+0x28/0xe0 fs/super.c:1547
    [<0000000096d86b63>] do_new_mount fs/namespace.c:2875 [inline]
    [<0000000096d86b63>] do_mount+0xa63/0xe40 fs/namespace.c:3200
    [<00000000cfed476e>] __do_sys_mount fs/namespace.c:3410 [inline]
    [<00000000cfed476e>] __se_sys_mount fs/namespace.c:3387 [inline]
    [<00000000cfed476e>] __x64_sys_mount+0xb0/0x120 fs/namespace.c:3387
    [<000000000edbcb92>] do_syscall_64+0x4c/0xe0 arch/x86/entry/common.c:384
    [<0000000010bd3587>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff888129e752a0 (size 32):
  comm "syz-executor949", pid 6459, jiffies 4294951468 (age 22.900s)
  hex dump (first 32 bytes):
    34 32 39 34 39 35 31 34 36 38 00 00 00 00 00 00  4294951468......
    00 0c 55 85 ff ff ff ff b8 52 e7 29 81 88 ff ff  ..U......R.)....
  backtrace:
    [<00000000de028f69>] kmalloc include/linux/slab.h:555 [inline]
    [<00000000de028f69>] v9fs_random_cachetag fs/9p/cache.c:36 [inline]
    [<00000000de028f69>] v9fs_cache_session_get_cookie+0x98/0x100 fs/9p/cache.c:52
    [<00000000f330e44d>] v9fs_session_init+0x5a1/0x840 fs/9p/v9fs.c:470
    [<0000000004fd201d>] v9fs_mount+0x56/0x390 fs/9p/vfs_super.c:124
    [<00000000000a6d8e>] legacy_get_tree+0x26/0x70 fs/fs_context.c:592
    [<00000000086c063b>] vfs_get_tree+0x28/0xe0 fs/super.c:1547
    [<0000000096d86b63>] do_new_mount fs/namespace.c:2875 [inline]
    [<0000000096d86b63>] do_mount+0xa63/0xe40 fs/namespace.c:3200
    [<00000000cfed476e>] __do_sys_mount fs/namespace.c:3410 [inline]
    [<00000000cfed476e>] __se_sys_mount fs/namespace.c:3387 [inline]
    [<00000000cfed476e>] __x64_sys_mount+0xb0/0x120 fs/namespace.c:3387
    [<000000000edbcb92>] do_syscall_64+0x4c/0xe0 arch/x86/entry/common.c:384
    [<0000000010bd3587>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff88811cdfce00 (size 32):
  comm "syz-executor949", pid 6444, jiffies 4294951461 (age 24.140s)
  hex dump (first 32 bytes):
    34 32 39 34 39 35 31 34 36 31 00 03 04 05 06 07  4294951461......
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
  backtrace:
    [<00000000de028f69>] kmalloc include/linux/slab.h:555 [inline]
    [<00000000de028f69>] v9fs_random_cachetag fs/9p/cache.c:36 [inline]
    [<00000000de028f69>] v9fs_cache_session_get_cookie+0x98/0x100 fs/9p/cache.c:52
    [<00000000f330e44d>] v9fs_session_init+0x5a1/0x840 fs/9p/v9fs.c:470
    [<0000000004fd201d>] v9fs_mount+0x56/0x390 fs/9p/vfs_super.c:124
    [<00000000000a6d8e>] legacy_get_tree+0x26/0x70 fs/fs_context.c:592
    [<00000000086c063b>] vfs_get_tree+0x28/0xe0 fs/super.c:1547
    [<0000000096d86b63>] do_new_mount fs/namespace.c:2875 [inline]
    [<0000000096d86b63>] do_mount+0xa63/0xe40 fs/namespace.c:3200
    [<00000000cfed476e>] __do_sys_mount fs/namespace.c:3410 [inline]
    [<00000000cfed476e>] __se_sys_mount fs/namespace.c:3387 [inline]
    [<00000000cfed476e>] __x64_sys_mount+0xb0/0x120 fs/namespace.c:3387
    [<000000000edbcb92>] do_syscall_64+0x4c/0xe0 arch/x86/entry/common.c:384
    [<0000000010bd3587>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff888117e62ce0 (size 32):
  comm "syz-executor949", pid 6447, jiffies 4294951461 (age 24.140s)
  hex dump (first 32 bytes):
    34 32 39 34 39 35 31 34 36 31 00 00 00 00 00 00  4294951461......
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
  backtrace:
    [<00000000de028f69>] kmalloc include/linux/slab.h:555 [inline]
    [<00000000de028f69>] v9fs_random_cachetag fs/9p/cache.c:36 [inline]
    [<00000000de028f69>] v9fs_cache_session_get_cookie+0x98/0x100 fs/9p/cache.c:52
    [<00000000f330e44d>] v9fs_session_init+0x5a1/0x840 fs/9p/v9fs.c:470
    [<0000000004fd201d>] v9fs_mount+0x56/0x390 fs/9p/vfs_super.c:124
    [<00000000000a6d8e>] legacy_get_tree+0x26/0x70 fs/fs_context.c:592
    [<00000000086c063b>] vfs_get_tree+0x28/0xe0 fs/super.c:1547
    [<0000000096d86b63>] do_new_mount fs/namespace.c:2875 [inline]
    [<0000000096d86b63>] do_mount+0xa63/0xe40 fs/namespace.c:3200
    [<00000000cfed476e>] __do_sys_mount fs/namespace.c:3410 [inline]
    [<00000000cfed476e>] __se_sys_mount fs/namespace.c:3387 [inline]
    [<00000000cfed476e>] __x64_sys_mount+0xb0/0x120 fs/namespace.c:3387
    [<000000000edbcb92>] do_syscall_64+0x4c/0xe0 arch/x86/entry/common.c:384
    [<0000000010bd3587>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff888129e752a0 (size 32):
  comm "syz-executor949", pid 6459, jiffies 4294951468 (age 24.070s)
  hex dump (first 32 bytes):
    34 32 39 34 39 35 31 34 36 38 00 00 00 00 00 00  4294951468......
    00 0c 55 85 ff ff ff ff b8 52 e7 29 81 88 ff ff  ..U......R.)....
  backtrace:
    [<00000000de028f69>] kmalloc include/linux/slab.h:555 [inline]
    [<00000000de028f69>] v9fs_random_cachetag fs/9p/cache.c:36 [inline]
    [<00000000de028f69>] v9fs_cache_session_get_cookie+0x98/0x100 fs/9p/cache.c:52
    [<00000000f330e44d>] v9fs_session_init+0x5a1/0x840 fs/9p/v9fs.c:470
    [<0000000004fd201d>] v9fs_mount+0x56/0x390 fs/9p/vfs_super.c:124
    [<00000000000a6d8e>] legacy_get_tree+0x26/0x70 fs/fs_context.c:592
    [<00000000086c063b>] vfs_get_tree+0x28/0xe0 fs/super.c:1547
    [<0000000096d86b63>] do_new_mount fs/namespace.c:2875 [inline]
    [<0000000096d86b63>] do_mount+0xa63/0xe40 fs/namespace.c:3200
    [<00000000cfed476e>] __do_sys_mount fs/namespace.c:3410 [inline]
    [<00000000cfed476e>] __se_sys_mount fs/namespace.c:3387 [inline]
    [<00000000cfed476e>] __x64_sys_mount+0xb0/0x120 fs/namespace.c:3387
    [<000000000edbcb92>] do_syscall_64+0x4c/0xe0 arch/x86/entry/common.c:384
    [<0000000010bd3587>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff88811cdfce00 (size 32):
  comm "syz-executor949", pid 6444, jiffies 4294951461 (age 28.660s)
  hex dump (first 32 bytes):
    34 32 39 34 39 35 31 34 36 31 00 03 04 05 06 07  4294951461......
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
  backtrace:
    [<00000000de028f69>] kmalloc include/linux/slab.h:555 [inline]
    [<00000000de028f69>] v9fs_random_cachetag fs/9p/cache.c:36 [inline]
    [<00000000de028f69>] v9fs_cache_session_get_cookie+0x98/0x100 fs/9p/cache.c:52
    [<00000000f330e44d>] v9fs_session_init+0x5a1/0x840 fs/9p/v9fs.c:470
    [<0000000004fd201d>] v9fs_mount+0x56/0x390 fs/9p/vfs_super.c:124
    [<00000000000a6d8e>] legacy_get_tree+0x26/0x70 fs/fs_context.c:592
    [<00000000086c063b>] vfs_get_tree+0x28/0xe0 fs/super.c:1547
    [<0000000096d86b63>] do_new_mount fs/namespace.c:2875 [inline]
    [<0000000096d86b63>] do_mount+0xa63/0xe40 fs/namespace.c:3200
    [<00000000cfed476e>] __do_sys_mount fs/namespace.c:3410 [inline]
    [<00000000cfed476e>] __se_sys_mount fs/namespace.c:3387 [inline]
    [<00000000cfed476e>] __x64_sys_mount+0xb0/0x120 fs/namespace.c:3387
    [<000000000edbcb92>] do_syscall_64+0x4c/0xe0 arch/x86/entry/common.c:384
    [<0000000010bd3587>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff888117e62ce0 (size 32):
  comm "syz-executor949", pid 6447, jiffies 4294951461 (age 28.660s)
  hex dump (first 32 bytes):
    34 32 39 34 39 35 31 34 36 31 00 00 00 00 00 00  4294951461......
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
  backtrace:
    [<00000000de028f69>] kmalloc include/linux/slab.h:555 [inline]
    [<00000000de028f69>] v9fs_random_cachetag fs/9p/cache.c:36 [inline]
    [<00000000de028f69>] v9fs_cache_session_get_cookie+0x98/0x100 fs/9p/cache.c:52
    [<00000000f330e44d>] v9fs_session_init+0x5a1/0x840 fs/9p/v9fs.c:470
    [<0000000004fd201d>] v9fs_mount+0x56/0x390 fs/9p/vfs_super.c:124
    [<00000000000a6d8e>] legacy_get_tree+0x26/0x70 fs/fs_context.c:592
    [<00000000086c063b>] vfs_get_tree+0x28/0xe0 fs/super.c:1547
    [<0000000096d86b63>] do_new_mount fs/namespace.c:2875 [inline]
    [<0000000096d86b63>] do_mount+0xa63/0xe40 fs/namespace.c:3200
    [<00000000cfed476e>] __do_sys_mount fs/namespace.c:3410 [inline]
    [<00000000cfed476e>] __se_sys_mount fs/namespace.c:3387 [inline]
    [<00000000cfed476e>] __x64_sys_mount+0xb0/0x120 fs/namespace.c:3387
    [<000000000edbcb92>] do_syscall_64+0x4c/0xe0 arch/x86/entry/common.c:384
    [<0000000010bd3587>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff888129e752a0 (size 32):
  comm "syz-executor949", pid 6459, jiffies 4294951468 (age 28.590s)
  hex dump (first 32 bytes):
    34 32 39 34 39 35 31 34 36 38 00 00 00 00 00 00  4294951468......
    00 0c 55 85 ff ff ff ff b8 52 e7 29 81 88 ff ff  ..U......R.)....
  backtrace:
    [<00000000de028f69>] kmalloc include/linux/slab.h:555 [inline]
    [<00000000de028f69>] v9fs_random_cachetag fs/9p/cache.c:36 [inline]
    [<00000000de028f69>] v9fs_cache_session_get_cookie+0x98/0x100 fs/9p/cache.c:52
    [<00000000f330e44d>] v9fs_session_init+0x5a1/0x840 fs/9p/v9fs.c:470
    [<0000000004fd201d>] v9fs_mount+0x56/0x390 fs/9p/vfs_super.c:124
    [<00000000000a6d8e>] legacy_get_tree+0x26/0x70 fs/fs_context.c:592
    [<00000000086c063b>] vfs_get_tree+0x28/0xe0 fs/super.c:1547
    [<0000000096d86b63>] do_new_mount fs/namespace.c:2875 [inline]
    [<0000000096d86b63>] do_mount+0xa63/0xe40 fs/namespace.c:3200
    [<00000000cfed476e>] __do_sys_mount fs/namespace.c:3410 [inline]
    [<00000000cfed476e>] __se_sys_mount fs/namespace.c:3387 [inline]
    [<00000000cfed476e>] __x64_sys_mount+0xb0/0x120 fs/namespace.c:3387
    [<000000000edbcb92>] do_syscall_64+0x4c/0xe0 arch/x86/entry/common.c:384
    [<0000000010bd3587>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff88811cdfce00 (size 32):
  comm "syz-executor949", pid 6444, jiffies 4294951461 (age 28.740s)
  hex dump (first 32 bytes):
    34 32 39 34 39 35 31 34 36 31 00 03 04 05 06 07  4294951461......
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
  backtrace:
    [<00000000de028f69>] kmalloc include/linux/slab.h:555 [inline]
    [<00000000de028f69>] v9fs_random_cachetag fs/9p/cache.c:36 [inline]
    [<00000000de028f69>] v9fs_cache_session_get_cookie+0x98/0x100 fs/9p/cache.c:52
    [<00000000f330e44d>] v9fs_session_init+0x5a1/0x840 fs/9p/v9fs.c:470
    [<0000000004fd201d>] v9fs_mount+0x56/0x390 fs/9p/vfs_super.c:124
    [<00000000000a6d8e>] legacy_get_tree+0x26/0x70 fs/fs_context.c:592
    [<00000000086c063b>] vfs_get_tree+0x28/0xe0 fs/super.c:1547
    [<0000000096d86b63>] do_new_mount fs/namespace.c:2875 [inline]
    [<0000000096d86b63>] do_mount+0xa63/0xe40 fs/namespace.c:3200
    [<00000000cfed476e>] __do_sys_mount fs/namespace.c:3410 [inline]
    [<00000000cfed476e>] __se_sys_mount fs/namespace.c:3387 [inline]
    [<00000000cfed476e>] __x64_sys_mount+0xb0/0x120 fs/namespace.c:3387
    [<000000000edbcb92>] do_syscall_64+0x4c/0xe0 arch/x86/entry/common.c:384
    [<0000000010bd3587>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff888117e62ce0 (size 32):
  comm "syz-executor949", pid 6447, jiffies 4294951461 (age 28.740s)
  hex dump (first 32 bytes):
    34 32 39 34 39 35 31 34 36 31 00 00 00 00 00 00  4294951461......
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
  backtrace:
    [<00000000de028f69>] kmalloc include/linux/slab.h:555 [inline]
    [<00000000de028f69>] v9fs_random_cachetag fs/9p/cache.c:36 [inline]
    [<00000000de028f69>] v9fs_cache_session_get_cookie+0x98/0x100 fs/9p/cache.c:52
    [<00000000f330e44d>] v9fs_session_init+0x5a1/0x840 fs/9p/v9fs.c:470
    [<0000000004fd201d>] v9fs_mount+0x56/0x390 fs/9p/vfs_super.c:124
    [<00000000000a6d8e>] legacy_get_tree+0x26/0x70 fs/fs_context.c:592
    [<00000000086c063b>] vfs_get_tree+0x28/0xe0 fs/super.c:1547
    [<0000000096d86b63>] do_new_mount fs/namespace.c:2875 [inline]
    [<0000000096d86b63>] do_mount+0xa63/0xe40 fs/namespace.c:3200
    [<00000000cfed476e>] __do_sys_mount fs/namespace.c:3410 [inline]
    [<00000000cfed476e>] __se_sys_mount fs/namespace.c:3387 [inline]
    [<00000000cfed476e>] __x64_sys_mount+0xb0/0x120 fs/namespace.c:3387
    [<000000000edbcb92>] do_syscall_64+0x4c/0xe0 arch/x86/entry/common.c:384
    [<0000000010bd3587>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff888129e752a0 (size 32):
  comm "syz-executor949", pid 6459, jiffies 4294951468 (age 28.670s)
  hex dump (first 32 bytes):
    34 32 39 34 39 35 31 34 36 38 00 00 00 00 00 00  4294951468......
    00 0c 55 85 ff ff ff ff b8 52 e7 29 81 88 ff ff  ..U......R.)....
  backtrace:
    [<00000000de028f69>] kmalloc include/linux/slab.h:555 [inline]
    [<00000000de028f69>] v9fs_random_cachetag fs/9p/cache.c:36 [inline]
    [<00000000de028f69>] v9fs_cache_session_get_cookie+0x98/0x100 fs/9p/cache.c:52
    [<00000000f330e44d>] v9fs_session_init+0x5a1/0x840 fs/9p/v9fs.c:470
    [<0000000004fd201d>] v9fs_mount+0x56/0x390 fs/9p/vfs_super.c:124
    [<00000000000a6d8e>] legacy_get_tree+0x26/0x70 fs/fs_context.c:592
    [<00000000086c063b>] vfs_get_tree+0x28/0xe0 fs/super.c:1547
    [<0000000096d86b63>] do_new_mount fs/namespace.c:2875 [inline]
    [<0000000096d86b63>] do_mount+0xa63/0xe40 fs/namespace.c:3200
    [<00000000cfed476e>] __do_sys_mount fs/namespace.c:3410 [inline]
    [<00000000cfed476e>] __se_sys_mount fs/namespace.c:3387 [inline]
    [<00000000cfed476e>] __x64_sys_mount+0xb0/0x120 fs/namespace.c:3387
    [<000000000edbcb92>] do_syscall_64+0x4c/0xe0 arch/x86/entry/common.c:384
    [<0000000010bd3587>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff88811cdfce00 (size 32):
  comm "syz-executor949", pid 6444, jiffies 4294951461 (age 28.810s)
  hex dump (first 32 bytes):
    34 32 39 34 39 35 31 34 36 31 00 03 04 05 06 07  4294951461......
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
  backtrace:
    [<00000000de028f69>] kmalloc include/linux/slab.h:555 [inline]
    [<00000000de028f69>] v9fs_random_cachetag fs/9p/cache.c:36 [inline]
    [<00000000de028f69>] v9fs_cache_session_get_cookie+0x98/0x100 fs/9p/cache.c:52
    [<00000000f330e44d>] v9fs_session_init+0x5a1/0x840 fs/9p/v9fs.c:470
    [<0000000004fd201d>] v9fs_mount+0x56/0x390 fs/9p/vfs_super.c:124
    [<00000000000a6d8e>] legacy_get_tree+0x26/0x70 fs/fs_context.c:592
    [<00000000086c063b>] vfs_get_tree+0x28/0xe0 fs/super.c:1547
    [<0000000096d86b63>] do_new_mount fs/namespace.c:2875 [inline]
    [<0000000096d86b63>] do_mount+0xa63/0xe40 fs/namespace.c:3200
    [<00000000cfed476e>] __do_sys_mount fs/namespace.c:3410 [inline]
    [<00000000cfed476e>] __se_sys_mount fs/namespace.c:3387 [inline]
    [<00000000cfed476e>] __x64_sys_mount+0xb0/0x120 fs/namespace.c:3387
    [<000000000edbcb92>] do_syscall_64+0x4c/0xe0 arch/x86/entry/common.c:384
    [<0000000010bd3587>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff888117e62ce0 (size 32):
  comm "syz-executor949", pid 6447, jiffies 4294951461 (age 28.810s)
  hex dump (first 32 bytes):
    34 32 39 34 39 35 31 34 36 31 00 00 00 00 00 00  4294951461......
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
  backtrace:
    [<00000000de028f69>] kmalloc include/linux/slab.h:555 [inline]
    [<00000000de028f69>] v9fs_random_cachetag fs/9p/cache.c:36 [inline]
    [<00000000de028f69>] v9fs_cache_session_get_cookie+0x98/0x100 fs/9p/cache.c:52
    [<00000000f330e44d>] v9fs_session_init+0x5a1/0x840 fs/9p/v9fs.c:470
    [<0000000004fd201d>] v9fs_mount+0x56/0x390 fs/9p/vfs_super.c:124
    [<00000000000a6d8e>] legacy_get_tree+0x26/0x70 fs/fs_context.c:592
    [<00000000086c063b>] vfs_get_tree+0x28/0xe0 fs/super.c:1547
    [<0000000096d86b63>] do_new_mount fs/namespace.c:2875 [inline]
    [<0000000096d86b63>] do_mount+0xa63/0xe40 fs/namespace.c:3200
    [<00000000cfed476e>] __do_sys_mount fs/namespace.c:3410 [inline]
    [<00000000cfed476e>] __se_sys_mount fs/namespace.c:3387 [inline]
    [<00000000cfed476e>] __x64_sys_mount+0xb0/0x120 fs/namespace.c:3387
    [<000000000edbcb92>] do_syscall_64+0x4c/0xe0 arch/x86/entry/common.c:384
    [<0000000010bd3587>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff888129e752a0 (size 32):
  comm "syz-executor949", pid 6459, jiffies 4294951468 (age 28.740s)
  hex dump (first 32 bytes):
    34 32 39 34 39 35 31 34 36 38 00 00 00 00 00 00  4294951468......
    00 0c 55 85 ff ff ff ff b8 52 e7 29 81 88 ff ff  ..U......R.)....
  backtrace:
    [<00000000de028f69>] kmalloc include/linux/slab.h:555 [inline]
    [<00000000de028f69>] v9fs_random_cachetag fs/9p/cache.c:36 [inline]
    [<00000000de028f69>] v9fs_cache_session_get_cookie+0x98/0x100 fs/9p/cache.c:52
    [<00000000f330e44d>] v9fs_session_init+0x5a1/0x840 fs/9p/v9fs.c:470
    [<0000000004fd201d>] v9fs_mount+0x56/0x390 fs/9p/vfs_super.c:124
    [<00000000000a6d8e>] legacy_get_tree+0x26/0x70 fs/fs_context.c:592
    [<00000000086c063b>] vfs_get_tree+0x28/0xe0 fs/super.c:1547
    [<0000000096d86b63>] do_new_mount fs/namespace.c:2875 [inline]
    [<0000000096d86b63>] do_mount+0xa63/0xe40 fs/namespace.c:3200
    [<00000000cfed476e>] __do_sys_mount fs/namespace.c:3410 [inline]
    [<00000000cfed476e>] __se_sys_mount fs/namespace.c:3387 [inline]
    [<00000000cfed476e>] __x64_sys_mount+0xb0/0x120 fs/namespace.c:3387
    [<000000000edbcb92>] do_syscall_64+0x4c/0xe0 arch/x86/entry/common.c:384
    [<0000000010bd3587>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

executing program
executing program
executing program