BUG: memory leak
unreferenced object 0xffff8881154e1920 (size 32):
  comm "syz-executor688", pid 6649, jiffies 4294948586 (age 21.980s)
  hex dump (first 32 bytes):
    34 32 39 34 39 34 38 35 38 36 00 81 ff ff ff ff  4294948586......
    cb 62 47 81 ff ff ff ff dd 63 47 81 ff ff ff ff  .bG......cG.....
  backtrace:
    [<000000002b0221ab>] kmalloc include/linux/slab.h:555 [inline]
    [<000000002b0221ab>] v9fs_random_cachetag fs/9p/cache.c:36 [inline]
    [<000000002b0221ab>] v9fs_cache_session_get_cookie+0x98/0x100 fs/9p/cache.c:52
    [<00000000bd4fb03a>] v9fs_session_init+0x5c3/0x880 fs/9p/v9fs.c:470
    [<000000000d17b262>] v9fs_mount+0x56/0x390 fs/9p/vfs_super.c:124
    [<000000006d0ecf98>] legacy_get_tree+0x23/0x70 fs/fs_context.c:622
    [<0000000001b1ea8e>] vfs_get_tree+0x28/0xe0 fs/super.c:1547
    [<00000000347952f7>] do_new_mount fs/namespace.c:2816 [inline]
    [<00000000347952f7>] do_mount+0x958/0xcd0 fs/namespace.c:3141
    [<00000000f1b5978a>] __do_sys_mount fs/namespace.c:3350 [inline]
    [<00000000f1b5978a>] __se_sys_mount fs/namespace.c:3327 [inline]
    [<00000000f1b5978a>] __x64_sys_mount+0xb0/0x120 fs/namespace.c:3327
    [<00000000834f7ea7>] do_syscall_64+0x6e/0x220 arch/x86/entry/common.c:295
    [<00000000cb3cd18f>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff8881154e1940 (size 32):
  comm "syz-executor688", pid 6655, jiffies 4294948586 (age 21.980s)
  hex dump (first 32 bytes):
    34 32 39 34 39 34 38 35 38 36 00 81 ff ff ff ff  4294948586......
    78 00 40 83 ff ff ff ff 00 00 00 00 00 00 00 00  x.@.............
  backtrace:
    [<000000002b0221ab>] kmalloc include/linux/slab.h:555 [inline]
    [<000000002b0221ab>] v9fs_random_cachetag fs/9p/cache.c:36 [inline]
    [<000000002b0221ab>] v9fs_cache_session_get_cookie+0x98/0x100 fs/9p/cache.c:52
    [<00000000bd4fb03a>] v9fs_session_init+0x5c3/0x880 fs/9p/v9fs.c:470
    [<000000000d17b262>] v9fs_mount+0x56/0x390 fs/9p/vfs_super.c:124
    [<000000006d0ecf98>] legacy_get_tree+0x23/0x70 fs/fs_context.c:622
    [<0000000001b1ea8e>] vfs_get_tree+0x28/0xe0 fs/super.c:1547
    [<00000000347952f7>] do_new_mount fs/namespace.c:2816 [inline]
    [<00000000347952f7>] do_mount+0x958/0xcd0 fs/namespace.c:3141
    [<00000000f1b5978a>] __do_sys_mount fs/namespace.c:3350 [inline]
    [<00000000f1b5978a>] __se_sys_mount fs/namespace.c:3327 [inline]
    [<00000000f1b5978a>] __x64_sys_mount+0xb0/0x120 fs/namespace.c:3327
    [<00000000834f7ea7>] do_syscall_64+0x6e/0x220 arch/x86/entry/common.c:295
    [<00000000cb3cd18f>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff8881154e1b20 (size 32):
  comm "syz-executor688", pid 6644, jiffies 4294948586 (age 21.980s)
  hex dump (first 32 bytes):
    34 32 39 34 39 34 38 35 38 36 00 30 30 30 30 30  4294948586.00000
    30 34 00 15 81 88 ff ff 00 00 00 00 00 00 00 00  04..............
  backtrace:
    [<000000002b0221ab>] kmalloc include/linux/slab.h:555 [inline]
    [<000000002b0221ab>] v9fs_random_cachetag fs/9p/cache.c:36 [inline]
    [<000000002b0221ab>] v9fs_cache_session_get_cookie+0x98/0x100 fs/9p/cache.c:52
    [<00000000bd4fb03a>] v9fs_session_init+0x5c3/0x880 fs/9p/v9fs.c:470
    [<000000000d17b262>] v9fs_mount+0x56/0x390 fs/9p/vfs_super.c:124
    [<000000006d0ecf98>] legacy_get_tree+0x23/0x70 fs/fs_context.c:622
    [<0000000001b1ea8e>] vfs_get_tree+0x28/0xe0 fs/super.c:1547
    [<00000000347952f7>] do_new_mount fs/namespace.c:2816 [inline]
    [<00000000347952f7>] do_mount+0x958/0xcd0 fs/namespace.c:3141
    [<00000000f1b5978a>] __do_sys_mount fs/namespace.c:3350 [inline]
    [<00000000f1b5978a>] __se_sys_mount fs/namespace.c:3327 [inline]
    [<00000000f1b5978a>] __x64_sys_mount+0xb0/0x120 fs/namespace.c:3327
    [<00000000834f7ea7>] do_syscall_64+0x6e/0x220 arch/x86/entry/common.c:295
    [<00000000cb3cd18f>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff8881154e1b60 (size 32):
  comm "syz-executor688", pid 6642, jiffies 4294948586 (age 21.980s)
  hex dump (first 32 bytes):
    34 32 39 34 39 34 38 35 38 36 00 79 6e 61 6d 69  4294948586.ynami
    63 2e 6e 65 77 00 00 00 00 00 00 00 00 00 00 00  c.new...........
  backtrace:
    [<000000002b0221ab>] kmalloc include/linux/slab.h:555 [inline]
    [<000000002b0221ab>] v9fs_random_cachetag fs/9p/cache.c:36 [inline]
    [<000000002b0221ab>] v9fs_cache_session_get_cookie+0x98/0x100 fs/9p/cache.c:52
    [<00000000bd4fb03a>] v9fs_session_init+0x5c3/0x880 fs/9p/v9fs.c:470
    [<000000000d17b262>] v9fs_mount+0x56/0x390 fs/9p/vfs_super.c:124
    [<000000006d0ecf98>] legacy_get_tree+0x23/0x70 fs/fs_context.c:622
    [<0000000001b1ea8e>] vfs_get_tree+0x28/0xe0 fs/super.c:1547
    [<00000000347952f7>] do_new_mount fs/namespace.c:2816 [inline]
    [<00000000347952f7>] do_mount+0x958/0xcd0 fs/namespace.c:3141
    [<00000000f1b5978a>] __do_sys_mount fs/namespace.c:3350 [inline]
    [<00000000f1b5978a>] __se_sys_mount fs/namespace.c:3327 [inline]
    [<00000000f1b5978a>] __x64_sys_mount+0xb0/0x120 fs/namespace.c:3327
    [<00000000834f7ea7>] do_syscall_64+0x6e/0x220 arch/x86/entry/common.c:295
    [<00000000cb3cd18f>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff8881154e1920 (size 32):
  comm "syz-executor688", pid 6649, jiffies 4294948586 (age 23.300s)
  hex dump (first 32 bytes):
    34 32 39 34 39 34 38 35 38 36 00 81 ff ff ff ff  4294948586......
    cb 62 47 81 ff ff ff ff dd 63 47 81 ff ff ff ff  .bG......cG.....
  backtrace:
    [<000000002b0221ab>] kmalloc include/linux/slab.h:555 [inline]
    [<000000002b0221ab>] v9fs_random_cachetag fs/9p/cache.c:36 [inline]
    [<000000002b0221ab>] v9fs_cache_session_get_cookie+0x98/0x100 fs/9p/cache.c:52
    [<00000000bd4fb03a>] v9fs_session_init+0x5c3/0x880 fs/9p/v9fs.c:470
    [<000000000d17b262>] v9fs_mount+0x56/0x390 fs/9p/vfs_super.c:124
    [<000000006d0ecf98>] legacy_get_tree+0x23/0x70 fs/fs_context.c:622
    [<0000000001b1ea8e>] vfs_get_tree+0x28/0xe0 fs/super.c:1547
    [<00000000347952f7>] do_new_mount fs/namespace.c:2816 [inline]
    [<00000000347952f7>] do_mount+0x958/0xcd0 fs/namespace.c:3141
    [<00000000f1b5978a>] __do_sys_mount fs/namespace.c:3350 [inline]
    [<00000000f1b5978a>] __se_sys_mount fs/namespace.c:3327 [inline]
    [<00000000f1b5978a>] __x64_sys_mount+0xb0/0x120 fs/namespace.c:3327
    [<00000000834f7ea7>] do_syscall_64+0x6e/0x220 arch/x86/entry/common.c:295
    [<00000000cb3cd18f>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff8881154e1940 (size 32):
  comm "syz-executor688", pid 6655, jiffies 4294948586 (age 23.300s)
  hex dump (first 32 bytes):
    34 32 39 34 39 34 38 35 38 36 00 81 ff ff ff ff  4294948586......
    78 00 40 83 ff ff ff ff 00 00 00 00 00 00 00 00  x.@.............
  backtrace:
    [<000000002b0221ab>] kmalloc include/linux/slab.h:555 [inline]
    [<000000002b0221ab>] v9fs_random_cachetag fs/9p/cache.c:36 [inline]
    [<000000002b0221ab>] v9fs_cache_session_get_cookie+0x98/0x100 fs/9p/cache.c:52
    [<00000000bd4fb03a>] v9fs_session_init+0x5c3/0x880 fs/9p/v9fs.c:470
    [<000000000d17b262>] v9fs_mount+0x56/0x390 fs/9p/vfs_super.c:124
    [<000000006d0ecf98>] legacy_get_tree+0x23/0x70 fs/fs_context.c:622
    [<0000000001b1ea8e>] vfs_get_tree+0x28/0xe0 fs/super.c:1547
    [<00000000347952f7>] do_new_mount fs/namespace.c:2816 [inline]
    [<00000000347952f7>] do_mount+0x958/0xcd0 fs/namespace.c:3141
    [<00000000f1b5978a>] __do_sys_mount fs/namespace.c:3350 [inline]
    [<00000000f1b5978a>] __se_sys_mount fs/namespace.c:3327 [inline]
    [<00000000f1b5978a>] __x64_sys_mount+0xb0/0x120 fs/namespace.c:3327
    [<00000000834f7ea7>] do_syscall_64+0x6e/0x220 arch/x86/entry/common.c:295
    [<00000000cb3cd18f>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff8881154e1b20 (size 32):
  comm "syz-executor688", pid 6644, jiffies 4294948586 (age 23.300s)
  hex dump (first 32 bytes):
    34 32 39 34 39 34 38 35 38 36 00 30 30 30 30 30  4294948586.00000
    30 34 00 15 81 88 ff ff 00 00 00 00 00 00 00 00  04..............
  backtrace:
    [<000000002b0221ab>] kmalloc include/linux/slab.h:555 [inline]
    [<000000002b0221ab>] v9fs_random_cachetag fs/9p/cache.c:36 [inline]
    [<000000002b0221ab>] v9fs_cache_session_get_cookie+0x98/0x100 fs/9p/cache.c:52
    [<00000000bd4fb03a>] v9fs_session_init+0x5c3/0x880 fs/9p/v9fs.c:470
    [<000000000d17b262>] v9fs_mount+0x56/0x390 fs/9p/vfs_super.c:124
    [<000000006d0ecf98>] legacy_get_tree+0x23/0x70 fs/fs_context.c:622
    [<0000000001b1ea8e>] vfs_get_tree+0x28/0xe0 fs/super.c:1547
    [<00000000347952f7>] do_new_mount fs/namespace.c:2816 [inline]
    [<00000000347952f7>] do_mount+0x958/0xcd0 fs/namespace.c:3141
    [<00000000f1b5978a>] __do_sys_mount fs/namespace.c:3350 [inline]
    [<00000000f1b5978a>] __se_sys_mount fs/namespace.c:3327 [inline]
    [<00000000f1b5978a>] __x64_sys_mount+0xb0/0x120 fs/namespace.c:3327
    [<00000000834f7ea7>] do_syscall_64+0x6e/0x220 arch/x86/entry/common.c:295
    [<00000000cb3cd18f>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff8881154e1b60 (size 32):
  comm "syz-executor688", pid 6642, jiffies 4294948586 (age 23.300s)
  hex dump (first 32 bytes):
    34 32 39 34 39 34 38 35 38 36 00 79 6e 61 6d 69  4294948586.ynami
    63 2e 6e 65 77 00 00 00 00 00 00 00 00 00 00 00  c.new...........
  backtrace:
    [<000000002b0221ab>] kmalloc include/linux/slab.h:555 [inline]
    [<000000002b0221ab>] v9fs_random_cachetag fs/9p/cache.c:36 [inline]
    [<000000002b0221ab>] v9fs_cache_session_get_cookie+0x98/0x100 fs/9p/cache.c:52
    [<00000000bd4fb03a>] v9fs_session_init+0x5c3/0x880 fs/9p/v9fs.c:470
    [<000000000d17b262>] v9fs_mount+0x56/0x390 fs/9p/vfs_super.c:124
    [<000000006d0ecf98>] legacy_get_tree+0x23/0x70 fs/fs_context.c:622
    [<0000000001b1ea8e>] vfs_get_tree+0x28/0xe0 fs/super.c:1547
    [<00000000347952f7>] do_new_mount fs/namespace.c:2816 [inline]
    [<00000000347952f7>] do_mount+0x958/0xcd0 fs/namespace.c:3141
    [<00000000f1b5978a>] __do_sys_mount fs/namespace.c:3350 [inline]
    [<00000000f1b5978a>] __se_sys_mount fs/namespace.c:3327 [inline]
    [<00000000f1b5978a>] __x64_sys_mount+0xb0/0x120 fs/namespace.c:3327
    [<00000000834f7ea7>] do_syscall_64+0x6e/0x220 arch/x86/entry/common.c:295
    [<00000000cb3cd18f>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff8881154e1920 (size 32):
  comm "syz-executor688", pid 6649, jiffies 4294948586 (age 24.560s)
  hex dump (first 32 bytes):
    34 32 39 34 39 34 38 35 38 36 00 81 ff ff ff ff  4294948586......
    cb 62 47 81 ff ff ff ff dd 63 47 81 ff ff ff ff  .bG......cG.....
  backtrace:
    [<000000002b0221ab>] kmalloc include/linux/slab.h:555 [inline]
    [<000000002b0221ab>] v9fs_random_cachetag fs/9p/cache.c:36 [inline]
    [<000000002b0221ab>] v9fs_cache_session_get_cookie+0x98/0x100 fs/9p/cache.c:52
    [<00000000bd4fb03a>] v9fs_session_init+0x5c3/0x880 fs/9p/v9fs.c:470
    [<000000000d17b262>] v9fs_mount+0x56/0x390 fs/9p/vfs_super.c:124
    [<000000006d0ecf98>] legacy_get_tree+0x23/0x70 fs/fs_context.c:622
    [<0000000001b1ea8e>] vfs_get_tree+0x28/0xe0 fs/super.c:1547
    [<00000000347952f7>] do_new_mount fs/namespace.c:2816 [inline]
    [<00000000347952f7>] do_mount+0x958/0xcd0 fs/namespace.c:3141
    [<00000000f1b5978a>] __do_sys_mount fs/namespace.c:3350 [inline]
    [<00000000f1b5978a>] __se_sys_mount fs/namespace.c:3327 [inline]
    [<00000000f1b5978a>] __x64_sys_mount+0xb0/0x120 fs/namespace.c:3327
    [<00000000834f7ea7>] do_syscall_64+0x6e/0x220 arch/x86/entry/common.c:295
    [<00000000cb3cd18f>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff8881154e1940 (size 32):
  comm "syz-executor688", pid 6655, jiffies 4294948586 (age 24.560s)
  hex dump (first 32 bytes):
    34 32 39 34 39 34 38 35 38 36 00 81 ff ff ff ff  4294948586......
    78 00 40 83 ff ff ff ff 00 00 00 00 00 00 00 00  x.@.............
  backtrace:
    [<000000002b0221ab>] kmalloc include/linux/slab.h:555 [inline]
    [<000000002b0221ab>] v9fs_random_cachetag fs/9p/cache.c:36 [inline]
    [<000000002b0221ab>] v9fs_cache_session_get_cookie+0x98/0x100 fs/9p/cache.c:52
    [<00000000bd4fb03a>] v9fs_session_init+0x5c3/0x880 fs/9p/v9fs.c:470
    [<000000000d17b262>] v9fs_mount+0x56/0x390 fs/9p/vfs_super.c:124
    [<000000006d0ecf98>] legacy_get_tree+0x23/0x70 fs/fs_context.c:622
    [<0000000001b1ea8e>] vfs_get_tree+0x28/0xe0 fs/super.c:1547
    [<00000000347952f7>] do_new_mount fs/namespace.c:2816 [inline]
    [<00000000347952f7>] do_mount+0x958/0xcd0 fs/namespace.c:3141
    [<00000000f1b5978a>] __do_sys_mount fs/namespace.c:3350 [inline]
    [<00000000f1b5978a>] __se_sys_mount fs/namespace.c:3327 [inline]
    [<00000000f1b5978a>] __x64_sys_mount+0xb0/0x120 fs/namespace.c:3327
    [<00000000834f7ea7>] do_syscall_64+0x6e/0x220 arch/x86/entry/common.c:295
    [<00000000cb3cd18f>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff8881154e1b20 (size 32):
  comm "syz-executor688", pid 6644, jiffies 4294948586 (age 24.560s)
  hex dump (first 32 bytes):
    34 32 39 34 39 34 38 35 38 36 00 30 30 30 30 30  4294948586.00000
    30 34 00 15 81 88 ff ff 00 00 00 00 00 00 00 00  04..............
  backtrace:
    [<000000002b0221ab>] kmalloc include/linux/slab.h:555 [inline]
    [<000000002b0221ab>] v9fs_random_cachetag fs/9p/cache.c:36 [inline]
    [<000000002b0221ab>] v9fs_cache_session_get_cookie+0x98/0x100 fs/9p/cache.c:52
    [<00000000bd4fb03a>] v9fs_session_init+0x5c3/0x880 fs/9p/v9fs.c:470
    [<000000000d17b262>] v9fs_mount+0x56/0x390 fs/9p/vfs_super.c:124
    [<000000006d0ecf98>] legacy_get_tree+0x23/0x70 fs/fs_context.c:622
    [<0000000001b1ea8e>] vfs_get_tree+0x28/0xe0 fs/super.c:1547
    [<00000000347952f7>] do_new_mount fs/namespace.c:2816 [inline]
    [<00000000347952f7>] do_mount+0x958/0xcd0 fs/namespace.c:3141
    [<00000000f1b5978a>] __do_sys_mount fs/namespace.c:3350 [inline]
    [<00000000f1b5978a>] __se_sys_mount fs/namespace.c:3327 [inline]
    [<00000000f1b5978a>] __x64_sys_mount+0xb0/0x120 fs/namespace.c:3327
    [<00000000834f7ea7>] do_syscall_64+0x6e/0x220 arch/x86/entry/common.c:295
    [<00000000cb3cd18f>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff8881154e1b60 (size 32):
  comm "syz-executor688", pid 6642, jiffies 4294948586 (age 24.560s)
  hex dump (first 32 bytes):
    34 32 39 34 39 34 38 35 38 36 00 79 6e 61 6d 69  4294948586.ynami
    63 2e 6e 65 77 00 00 00 00 00 00 00 00 00 00 00  c.new...........
  backtrace:
    [<000000002b0221ab>] kmalloc include/linux/slab.h:555 [inline]
    [<000000002b0221ab>] v9fs_random_cachetag fs/9p/cache.c:36 [inline]
    [<000000002b0221ab>] v9fs_cache_session_get_cookie+0x98/0x100 fs/9p/cache.c:52
    [<00000000bd4fb03a>] v9fs_session_init+0x5c3/0x880 fs/9p/v9fs.c:470
    [<000000000d17b262>] v9fs_mount+0x56/0x390 fs/9p/vfs_super.c:124
    [<000000006d0ecf98>] legacy_get_tree+0x23/0x70 fs/fs_context.c:622
    [<0000000001b1ea8e>] vfs_get_tree+0x28/0xe0 fs/super.c:1547
    [<00000000347952f7>] do_new_mount fs/namespace.c:2816 [inline]
    [<00000000347952f7>] do_mount+0x958/0xcd0 fs/namespace.c:3141
    [<00000000f1b5978a>] __do_sys_mount fs/namespace.c:3350 [inline]
    [<00000000f1b5978a>] __se_sys_mount fs/namespace.c:3327 [inline]
    [<00000000f1b5978a>] __x64_sys_mount+0xb0/0x120 fs/namespace.c:3327
    [<00000000834f7ea7>] do_syscall_64+0x6e/0x220 arch/x86/entry/common.c:295
    [<00000000cb3cd18f>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff8881154e1920 (size 32):
  comm "syz-executor688", pid 6649, jiffies 4294948586 (age 27.000s)
  hex dump (first 32 bytes):
    34 32 39 34 39 34 38 35 38 36 00 81 ff ff ff ff  4294948586......
    cb 62 47 81 ff ff ff ff dd 63 47 81 ff ff ff ff  .bG......cG.....
  backtrace:
    [<000000002b0221ab>] kmalloc include/linux/slab.h:555 [inline]
    [<000000002b0221ab>] v9fs_random_cachetag fs/9p/cache.c:36 [inline]
    [<000000002b0221ab>] v9fs_cache_session_get_cookie+0x98/0x100 fs/9p/cache.c:52
    [<00000000bd4fb03a>] v9fs_session_init+0x5c3/0x880 fs/9p/v9fs.c:470
    [<000000000d17b262>] v9fs_mount+0x56/0x390 fs/9p/vfs_super.c:124
    [<000000006d0ecf98>] legacy_get_tree+0x23/0x70 fs/fs_context.c:622
    [<0000000001b1ea8e>] vfs_get_tree+0x28/0xe0 fs/super.c:1547
    [<00000000347952f7>] do_new_mount fs/namespace.c:2816 [inline]
    [<00000000347952f7>] do_mount+0x958/0xcd0 fs/namespace.c:3141
    [<00000000f1b5978a>] __do_sys_mount fs/namespace.c:3350 [inline]
    [<00000000f1b5978a>] __se_sys_mount fs/namespace.c:3327 [inline]
    [<00000000f1b5978a>] __x64_sys_mount+0xb0/0x120 fs/namespace.c:3327
    [<00000000834f7ea7>] do_syscall_64+0x6e/0x220 arch/x86/entry/common.c:295
    [<00000000cb3cd18f>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff8881154e1940 (size 32):
  comm "syz-executor688", pid 6655, jiffies 4294948586 (age 27.000s)
  hex dump (first 32 bytes):
    34 32 39 34 39 34 38 35 38 36 00 81 ff ff ff ff  4294948586......
    78 00 40 83 ff ff ff ff 00 00 00 00 00 00 00 00  x.@.............
  backtrace:
    [<000000002b0221ab>] kmalloc include/linux/slab.h:555 [inline]
    [<000000002b0221ab>] v9fs_random_cachetag fs/9p/cache.c:36 [inline]
    [<000000002b0221ab>] v9fs_cache_session_get_cookie+0x98/0x100 fs/9p/cache.c:52
    [<00000000bd4fb03a>] v9fs_session_init+0x5c3/0x880 fs/9p/v9fs.c:470
    [<000000000d17b262>] v9fs_mount+0x56/0x390 fs/9p/vfs_super.c:124
    [<000000006d0ecf98>] legacy_get_tree+0x23/0x70 fs/fs_context.c:622
    [<0000000001b1ea8e>] vfs_get_tree+0x28/0xe0 fs/super.c:1547
    [<00000000347952f7>] do_new_mount fs/namespace.c:2816 [inline]
    [<00000000347952f7>] do_mount+0x958/0xcd0 fs/namespace.c:3141
    [<00000000f1b5978a>] __do_sys_mount fs/namespace.c:3350 [inline]
    [<00000000f1b5978a>] __se_sys_mount fs/namespace.c:3327 [inline]
    [<00000000f1b5978a>] __x64_sys_mount+0xb0/0x120 fs/namespace.c:3327
    [<00000000834f7ea7>] do_syscall_64+0x6e/0x220 arch/x86/entry/common.c:295
    [<00000000cb3cd18f>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff8881154e1b20 (size 32):
  comm "syz-executor688", pid 6644, jiffies 4294948586 (age 27.000s)
  hex dump (first 32 bytes):
    34 32 39 34 39 34 38 35 38 36 00 30 30 30 30 30  4294948586.00000
    30 34 00 15 81 88 ff ff 00 00 00 00 00 00 00 00  04..............
  backtrace:
    [<000000002b0221ab>] kmalloc include/linux/slab.h:555 [inline]
    [<000000002b0221ab>] v9fs_random_cachetag fs/9p/cache.c:36 [inline]
    [<000000002b0221ab>] v9fs_cache_session_get_cookie+0x98/0x100 fs/9p/cache.c:52
    [<00000000bd4fb03a>] v9fs_session_init+0x5c3/0x880 fs/9p/v9fs.c:470
    [<000000000d17b262>] v9fs_mount+0x56/0x390 fs/9p/vfs_super.c:124
    [<000000006d0ecf98>] legacy_get_tree+0x23/0x70 fs/fs_context.c:622
    [<0000000001b1ea8e>] vfs_get_tree+0x28/0xe0 fs/super.c:1547
    [<00000000347952f7>] do_new_mount fs/namespace.c:2816 [inline]
    [<00000000347952f7>] do_mount+0x958/0xcd0 fs/namespace.c:3141
    [<00000000f1b5978a>] __do_sys_mount fs/namespace.c:3350 [inline]
    [<00000000f1b5978a>] __se_sys_mount fs/namespace.c:3327 [inline]
    [<00000000f1b5978a>] __x64_sys_mount+0xb0/0x120 fs/namespace.c:3327
    [<00000000834f7ea7>] do_syscall_64+0x6e/0x220 arch/x86/entry/common.c:295
    [<00000000cb3cd18f>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff8881154e1b60 (size 32):
  comm "syz-executor688", pid 6642, jiffies 4294948586 (age 27.000s)
  hex dump (first 32 bytes):
    34 32 39 34 39 34 38 35 38 36 00 79 6e 61 6d 69  4294948586.ynami
    63 2e 6e 65 77 00 00 00 00 00 00 00 00 00 00 00  c.new...........
  backtrace:
    [<000000002b0221ab>] kmalloc include/linux/slab.h:555 [inline]
    [<000000002b0221ab>] v9fs_random_cachetag fs/9p/cache.c:36 [inline]
    [<000000002b0221ab>] v9fs_cache_session_get_cookie+0x98/0x100 fs/9p/cache.c:52
    [<00000000bd4fb03a>] v9fs_session_init+0x5c3/0x880 fs/9p/v9fs.c:470
    [<000000000d17b262>] v9fs_mount+0x56/0x390 fs/9p/vfs_super.c:124
    [<000000006d0ecf98>] legacy_get_tree+0x23/0x70 fs/fs_context.c:622
    [<0000000001b1ea8e>] vfs_get_tree+0x28/0xe0 fs/super.c:1547
    [<00000000347952f7>] do_new_mount fs/namespace.c:2816 [inline]
    [<00000000347952f7>] do_mount+0x958/0xcd0 fs/namespace.c:3141
    [<00000000f1b5978a>] __do_sys_mount fs/namespace.c:3350 [inline]
    [<00000000f1b5978a>] __se_sys_mount fs/namespace.c:3327 [inline]
    [<00000000f1b5978a>] __x64_sys_mount+0xb0/0x120 fs/namespace.c:3327
    [<00000000834f7ea7>] do_syscall_64+0x6e/0x220 arch/x86/entry/common.c:295
    [<00000000cb3cd18f>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff8881154e1920 (size 32):
  comm "syz-executor688", pid 6649, jiffies 4294948586 (age 28.290s)
  hex dump (first 32 bytes):
    34 32 39 34 39 34 38 35 38 36 00 81 ff ff ff ff  4294948586......
    cb 62 47 81 ff ff ff ff dd 63 47 81 ff ff ff ff  .bG......cG.....
  backtrace:
    [<000000002b0221ab>] kmalloc include/linux/slab.h:555 [inline]
    [<000000002b0221ab>] v9fs_random_cachetag fs/9p/cache.c:36 [inline]
    [<000000002b0221ab>] v9fs_cache_session_get_cookie+0x98/0x100 fs/9p/cache.c:52
    [<00000000bd4fb03a>] v9fs_session_init+0x5c3/0x880 fs/9p/v9fs.c:470
    [<000000000d17b262>] v9fs_mount+0x56/0x390 fs/9p/vfs_super.c:124
    [<000000006d0ecf98>] legacy_get_tree+0x23/0x70 fs/fs_context.c:622
    [<0000000001b1ea8e>] vfs_get_tree+0x28/0xe0 fs/super.c:1547
    [<00000000347952f7>] do_new_mount fs/namespace.c:2816 [inline]
    [<00000000347952f7>] do_mount+0x958/0xcd0 fs/namespace.c:3141
    [<00000000f1b5978a>] __do_sys_mount fs/namespace.c:3350 [inline]
    [<00000000f1b5978a>] __se_sys_mount fs/namespace.c:3327 [inline]
    [<00000000f1b5978a>] __x64_sys_mount+0xb0/0x120 fs/namespace.c:3327
    [<00000000834f7ea7>] do_syscall_64+0x6e/0x220 arch/x86/entry/common.c:295
    [<00000000cb3cd18f>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff8881154e1940 (size 32):
  comm "syz-executor688", pid 6655, jiffies 4294948586 (age 28.290s)
  hex dump (first 32 bytes):
    34 32 39 34 39 34 38 35 38 36 00 81 ff ff ff ff  4294948586......
    78 00 40 83 ff ff ff ff 00 00 00 00 00 00 00 00  x.@.............
  backtrace:
    [<000000002b0221ab>] kmalloc include/linux/slab.h:555 [inline]
    [<000000002b0221ab>] v9fs_random_cachetag fs/9p/cache.c:36 [inline]
    [<000000002b0221ab>] v9fs_cache_session_get_cookie+0x98/0x100 fs/9p/cache.c:52
    [<00000000bd4fb03a>] v9fs_session_init+0x5c3/0x880 fs/9p/v9fs.c:470
    [<000000000d17b262>] v9fs_mount+0x56/0x390 fs/9p/vfs_super.c:124
    [<000000006d0ecf98>] legacy_get_tree+0x23/0x70 fs/fs_context.c:622
    [<0000000001b1ea8e>] vfs_get_tree+0x28/0xe0 fs/super.c:1547
    [<00000000347952f7>] do_new_mount fs/namespace.c:2816 [inline]
    [<00000000347952f7>] do_mount+0x958/0xcd0 fs/namespace.c:3141
    [<00000000f1b5978a>] __do_sys_mount fs/namespace.c:3350 [inline]
    [<00000000f1b5978a>] __se_sys_mount fs/namespace.c:3327 [inline]
    [<00000000f1b5978a>] __x64_sys_mount+0xb0/0x120 fs/namespace.c:3327
    [<00000000834f7ea7>] do_syscall_64+0x6e/0x220 arch/x86/entry/common.c:295
    [<00000000cb3cd18f>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff8881154e1b20 (size 32):
  comm "syz-executor688", pid 6644, jiffies 4294948586 (age 28.290s)
  hex dump (first 32 bytes):
    34 32 39 34 39 34 38 35 38 36 00 30 30 30 30 30  4294948586.00000
    30 34 00 15 81 88 ff ff 00 00 00 00 00 00 00 00  04..............
  backtrace:
    [<000000002b0221ab>] kmalloc include/linux/slab.h:555 [inline]
    [<000000002b0221ab>] v9fs_random_cachetag fs/9p/cache.c:36 [inline]
    [<000000002b0221ab>] v9fs_cache_session_get_cookie+0x98/0x100 fs/9p/cache.c:52
    [<00000000bd4fb03a>] v9fs_session_init+0x5c3/0x880 fs/9p/v9fs.c:470
    [<000000000d17b262>] v9fs_mount+0x56/0x390 fs/9p/vfs_super.c:124
    [<000000006d0ecf98>] legacy_get_tree+0x23/0x70 fs/fs_context.c:622
    [<0000000001b1ea8e>] vfs_get_tree+0x28/0xe0 fs/super.c:1547
    [<00000000347952f7>] do_new_mount fs/namespace.c:2816 [inline]
    [<00000000347952f7>] do_mount+0x958/0xcd0 fs/namespace.c:3141
    [<00000000f1b5978a>] __do_sys_mount fs/namespace.c:3350 [inline]
    [<00000000f1b5978a>] __se_sys_mount fs/namespace.c:3327 [inline]
    [<00000000f1b5978a>] __x64_sys_mount+0xb0/0x120 fs/namespace.c:3327
    [<00000000834f7ea7>] do_syscall_64+0x6e/0x220 arch/x86/entry/common.c:295
    [<00000000cb3cd18f>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff8881154e1b60 (size 32):
  comm "syz-executor688", pid 6642, jiffies 4294948586 (age 28.290s)
  hex dump (first 32 bytes):
    34 32 39 34 39 34 38 35 38 36 00 79 6e 61 6d 69  4294948586.ynami
    63 2e 6e 65 77 00 00 00 00 00 00 00 00 00 00 00  c.new...........
  backtrace:
    [<000000002b0221ab>] kmalloc include/linux/slab.h:555 [inline]
    [<000000002b0221ab>] v9fs_random_cachetag fs/9p/cache.c:36 [inline]
    [<000000002b0221ab>] v9fs_cache_session_get_cookie+0x98/0x100 fs/9p/cache.c:52
    [<00000000bd4fb03a>] v9fs_session_init+0x5c3/0x880 fs/9p/v9fs.c:470
    [<000000000d17b262>] v9fs_mount+0x56/0x390 fs/9p/vfs_super.c:124
    [<000000006d0ecf98>] legacy_get_tree+0x23/0x70 fs/fs_context.c:622
    [<0000000001b1ea8e>] vfs_get_tree+0x28/0xe0 fs/super.c:1547
    [<00000000347952f7>] do_new_mount fs/namespace.c:2816 [inline]
    [<00000000347952f7>] do_mount+0x958/0xcd0 fs/namespace.c:3141
    [<00000000f1b5978a>] __do_sys_mount fs/namespace.c:3350 [inline]
    [<00000000f1b5978a>] __se_sys_mount fs/namespace.c:3327 [inline]
    [<00000000f1b5978a>] __x64_sys_mount+0xb0/0x120 fs/namespace.c:3327
    [<00000000834f7ea7>] do_syscall_64+0x6e/0x220 arch/x86/entry/common.c:295
    [<00000000cb3cd18f>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff8881154e1920 (size 32):
  comm "syz-executor688", pid 6649, jiffies 4294948586 (age 29.560s)
  hex dump (first 32 bytes):
    34 32 39 34 39 34 38 35 38 36 00 81 ff ff ff ff  4294948586......
    cb 62 47 81 ff ff ff ff dd 63 47 81 ff ff ff ff  .bG......cG.....
  backtrace:
    [<000000002b0221ab>] kmalloc include/linux/slab.h:555 [inline]
    [<000000002b0221ab>] v9fs_random_cachetag fs/9p/cache.c:36 [inline]
    [<000000002b0221ab>] v9fs_cache_session_get_cookie+0x98/0x100 fs/9p/cache.c:52
    [<00000000bd4fb03a>] v9fs_session_init+0x5c3/0x880 fs/9p/v9fs.c:470
    [<000000000d17b262>] v9fs_mount+0x56/0x390 fs/9p/vfs_super.c:124
    [<000000006d0ecf98>] legacy_get_tree+0x23/0x70 fs/fs_context.c:622
    [<0000000001b1ea8e>] vfs_get_tree+0x28/0xe0 fs/super.c:1547
    [<00000000347952f7>] do_new_mount fs/namespace.c:2816 [inline]
    [<00000000347952f7>] do_mount+0x958/0xcd0 fs/namespace.c:3141
    [<00000000f1b5978a>] __do_sys_mount fs/namespace.c:3350 [inline]
    [<00000000f1b5978a>] __se_sys_mount fs/namespace.c:3327 [inline]
    [<00000000f1b5978a>] __x64_sys_mount+0xb0/0x120 fs/namespace.c:3327
    [<00000000834f7ea7>] do_syscall_64+0x6e/0x220 arch/x86/entry/common.c:295
    [<00000000cb3cd18f>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff8881154e1940 (size 32):
  comm "syz-executor688", pid 6655, jiffies 4294948586 (age 29.560s)
  hex dump (first 32 bytes):
    34 32 39 34 39 34 38 35 38 36 00 81 ff ff ff ff  4294948586......
    78 00 40 83 ff ff ff ff 00 00 00 00 00 00 00 00  x.@.............
  backtrace:
    [<000000002b0221ab>] kmalloc include/linux/slab.h:555 [inline]
    [<000000002b0221ab>] v9fs_random_cachetag fs/9p/cache.c:36 [inline]
    [<000000002b0221ab>] v9fs_cache_session_get_cookie+0x98/0x100 fs/9p/cache.c:52
    [<00000000bd4fb03a>] v9fs_session_init+0x5c3/0x880 fs/9p/v9fs.c:470
    [<000000000d17b262>] v9fs_mount+0x56/0x390 fs/9p/vfs_super.c:124
    [<000000006d0ecf98>] legacy_get_tree+0x23/0x70 fs/fs_context.c:622
    [<0000000001b1ea8e>] vfs_get_tree+0x28/0xe0 fs/super.c:1547
    [<00000000347952f7>] do_new_mount fs/namespace.c:2816 [inline]
    [<00000000347952f7>] do_mount+0x958/0xcd0 fs/namespace.c:3141
    [<00000000f1b5978a>] __do_sys_mount fs/namespace.c:3350 [inline]
    [<00000000f1b5978a>] __se_sys_mount fs/namespace.c:3327 [inline]
    [<00000000f1b5978a>] __x64_sys_mount+0xb0/0x120 fs/namespace.c:3327
    [<00000000834f7ea7>] do_syscall_64+0x6e/0x220 arch/x86/entry/common.c:295
    [<00000000cb3cd18f>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff8881154e1b20 (size 32):
  comm "syz-executor688", pid 6644, jiffies 4294948586 (age 29.560s)
  hex dump (first 32 bytes):
    34 32 39 34 39 34 38 35 38 36 00 30 30 30 30 30  4294948586.00000
    30 34 00 15 81 88 ff ff 00 00 00 00 00 00 00 00  04..............
  backtrace:
    [<000000002b0221ab>] kmalloc include/linux/slab.h:555 [inline]
    [<000000002b0221ab>] v9fs_random_cachetag fs/9p/cache.c:36 [inline]
    [<000000002b0221ab>] v9fs_cache_session_get_cookie+0x98/0x100 fs/9p/cache.c:52
    [<00000000bd4fb03a>] v9fs_session_init+0x5c3/0x880 fs/9p/v9fs.c:470
    [<000000000d17b262>] v9fs_mount+0x56/0x390 fs/9p/vfs_super.c:124
    [<000000006d0ecf98>] legacy_get_tree+0x23/0x70 fs/fs_context.c:622
    [<0000000001b1ea8e>] vfs_get_tree+0x28/0xe0 fs/super.c:1547
    [<00000000347952f7>] do_new_mount fs/namespace.c:2816 [inline]
    [<00000000347952f7>] do_mount+0x958/0xcd0 fs/namespace.c:3141
    [<00000000f1b5978a>] __do_sys_mount fs/namespace.c:3350 [inline]
    [<00000000f1b5978a>] __se_sys_mount fs/namespace.c:3327 [inline]
    [<00000000f1b5978a>] __x64_sys_mount+0xb0/0x120 fs/namespace.c:3327
    [<00000000834f7ea7>] do_syscall_64+0x6e/0x220 arch/x86/entry/common.c:295
    [<00000000cb3cd18f>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff8881154e1b60 (size 32):
  comm "syz-executor688", pid 6642, jiffies 4294948586 (age 29.560s)
  hex dump (first 32 bytes):
    34 32 39 34 39 34 38 35 38 36 00 79 6e 61 6d 69  4294948586.ynami
    63 2e 6e 65 77 00 00 00 00 00 00 00 00 00 00 00  c.new...........
  backtrace:
    [<000000002b0221ab>] kmalloc include/linux/slab.h:555 [inline]
    [<000000002b0221ab>] v9fs_random_cachetag fs/9p/cache.c:36 [inline]
    [<000000002b0221ab>] v9fs_cache_session_get_cookie+0x98/0x100 fs/9p/cache.c:52
    [<00000000bd4fb03a>] v9fs_session_init+0x5c3/0x880 fs/9p/v9fs.c:470
    [<000000000d17b262>] v9fs_mount+0x56/0x390 fs/9p/vfs_super.c:124
    [<000000006d0ecf98>] legacy_get_tree+0x23/0x70 fs/fs_context.c:622
    [<0000000001b1ea8e>] vfs_get_tree+0x28/0xe0 fs/super.c:1547
    [<00000000347952f7>] do_new_mount fs/namespace.c:2816 [inline]
    [<00000000347952f7>] do_mount+0x958/0xcd0 fs/namespace.c:3141
    [<00000000f1b5978a>] __do_sys_mount fs/namespace.c:3350 [inline]
    [<00000000f1b5978a>] __se_sys_mount fs/namespace.c:3327 [inline]
    [<00000000f1b5978a>] __x64_sys_mount+0xb0/0x120 fs/namespace.c:3327
    [<00000000834f7ea7>] do_syscall_64+0x6e/0x220 arch/x86/entry/common.c:295
    [<00000000cb3cd18f>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff8881154e1920 (size 32):
  comm "syz-executor688", pid 6649, jiffies 4294948586 (age 30.810s)
  hex dump (first 32 bytes):
    34 32 39 34 39 34 38 35 38 36 00 81 ff ff ff ff  4294948586......
    cb 62 47 81 ff ff ff ff dd 63 47 81 ff ff ff ff  .bG......cG.....
  backtrace:
    [<000000002b0221ab>] kmalloc include/linux/slab.h:555 [inline]
    [<000000002b0221ab>] v9fs_random_cachetag fs/9p/cache.c:36 [inline]
    [<000000002b0221ab>] v9fs_cache_session_get_cookie+0x98/0x100 fs/9p/cache.c:52
    [<00000000bd4fb03a>] v9fs_session_init+0x5c3/0x880 fs/9p/v9fs.c:470
    [<000000000d17b262>] v9fs_mount+0x56/0x390 fs/9p/vfs_super.c:124
    [<000000006d0ecf98>] legacy_get_tree+0x23/0x70 fs/fs_context.c:622
    [<0000000001b1ea8e>] vfs_get_tree+0x28/0xe0 fs/super.c:1547
    [<00000000347952f7>] do_new_mount fs/namespace.c:2816 [inline]
    [<00000000347952f7>] do_mount+0x958/0xcd0 fs/namespace.c:3141
    [<00000000f1b5978a>] __do_sys_mount fs/namespace.c:3350 [inline]
    [<00000000f1b5978a>] __se_sys_mount fs/namespace.c:3327 [inline]
    [<00000000f1b5978a>] __x64_sys_mount+0xb0/0x120 fs/namespace.c:3327
    [<00000000834f7ea7>] do_syscall_64+0x6e/0x220 arch/x86/entry/common.c:295
    [<00000000cb3cd18f>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff8881154e1940 (size 32):
  comm "syz-executor688", pid 6655, jiffies 4294948586 (age 30.810s)
  hex dump (first 32 bytes):
    34 32 39 34 39 34 38 35 38 36 00 81 ff ff ff ff  4294948586......
    78 00 40 83 ff ff ff ff 00 00 00 00 00 00 00 00  x.@.............
  backtrace:
    [<000000002b0221ab>] kmalloc include/linux/slab.h:555 [inline]
    [<000000002b0221ab>] v9fs_random_cachetag fs/9p/cache.c:36 [inline]
    [<000000002b0221ab>] v9fs_cache_session_get_cookie+0x98/0x100 fs/9p/cache.c:52
    [<00000000bd4fb03a>] v9fs_session_init+0x5c3/0x880 fs/9p/v9fs.c:470
    [<000000000d17b262>] v9fs_mount+0x56/0x390 fs/9p/vfs_super.c:124
    [<000000006d0ecf98>] legacy_get_tree+0x23/0x70 fs/fs_context.c:622
    [<0000000001b1ea8e>] vfs_get_tree+0x28/0xe0 fs/super.c:1547
    [<00000000347952f7>] do_new_mount fs/namespace.c:2816 [inline]
    [<00000000347952f7>] do_mount+0x958/0xcd0 fs/namespace.c:3141
    [<00000000f1b5978a>] __do_sys_mount fs/namespace.c:3350 [inline]
    [<00000000f1b5978a>] __se_sys_mount fs/namespace.c:3327 [inline]
    [<00000000f1b5978a>] __x64_sys_mount+0xb0/0x120 fs/namespace.c:3327
    [<00000000834f7ea7>] do_syscall_64+0x6e/0x220 arch/x86/entry/common.c:295
    [<00000000cb3cd18f>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff8881154e1b20 (size 32):
  comm "syz-executor688", pid 6644, jiffies 4294948586 (age 30.810s)
  hex dump (first 32 bytes):
    34 32 39 34 39 34 38 35 38 36 00 30 30 30 30 30  4294948586.00000
    30 34 00 15 81 88 ff ff 00 00 00 00 00 00 00 00  04..............
  backtrace:
    [<000000002b0221ab>] kmalloc include/linux/slab.h:555 [inline]
    [<000000002b0221ab>] v9fs_random_cachetag fs/9p/cache.c:36 [inline]
    [<000000002b0221ab>] v9fs_cache_session_get_cookie+0x98/0x100 fs/9p/cache.c:52
    [<00000000bd4fb03a>] v9fs_session_init+0x5c3/0x880 fs/9p/v9fs.c:470
    [<000000000d17b262>] v9fs_mount+0x56/0x390 fs/9p/vfs_super.c:124
    [<000000006d0ecf98>] legacy_get_tree+0x23/0x70 fs/fs_context.c:622
    [<0000000001b1ea8e>] vfs_get_tree+0x28/0xe0 fs/super.c:1547
    [<00000000347952f7>] do_new_mount fs/namespace.c:2816 [inline]
    [<00000000347952f7>] do_mount+0x958/0xcd0 fs/namespace.c:3141
    [<00000000f1b5978a>] __do_sys_mount fs/namespace.c:3350 [inline]
    [<00000000f1b5978a>] __se_sys_mount fs/namespace.c:3327 [inline]
    [<00000000f1b5978a>] __x64_sys_mount+0xb0/0x120 fs/namespace.c:3327
    [<00000000834f7ea7>] do_syscall_64+0x6e/0x220 arch/x86/entry/common.c:295
    [<00000000cb3cd18f>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff8881154e1b60 (size 32):
  comm "syz-executor688", pid 6642, jiffies 4294948586 (age 30.810s)
  hex dump (first 32 bytes):
    34 32 39 34 39 34 38 35 38 36 00 79 6e 61 6d 69  4294948586.ynami
    63 2e 6e 65 77 00 00 00 00 00 00 00 00 00 00 00  c.new...........
  backtrace:
    [<000000002b0221ab>] kmalloc include/linux/slab.h:555 [inline]
    [<000000002b0221ab>] v9fs_random_cachetag fs/9p/cache.c:36 [inline]
    [<000000002b0221ab>] v9fs_cache_session_get_cookie+0x98/0x100 fs/9p/cache.c:52
    [<00000000bd4fb03a>] v9fs_session_init+0x5c3/0x880 fs/9p/v9fs.c:470
    [<000000000d17b262>] v9fs_mount+0x56/0x390 fs/9p/vfs_super.c:124
    [<000000006d0ecf98>] legacy_get_tree+0x23/0x70 fs/fs_context.c:622
    [<0000000001b1ea8e>] vfs_get_tree+0x28/0xe0 fs/super.c:1547
    [<00000000347952f7>] do_new_mount fs/namespace.c:2816 [inline]
    [<00000000347952f7>] do_mount+0x958/0xcd0 fs/namespace.c:3141
    [<00000000f1b5978a>] __do_sys_mount fs/namespace.c:3350 [inline]
    [<00000000f1b5978a>] __se_sys_mount fs/namespace.c:3327 [inline]
    [<00000000f1b5978a>] __x64_sys_mount+0xb0/0x120 fs/namespace.c:3327
    [<00000000834f7ea7>] do_syscall_64+0x6e/0x220 arch/x86/entry/common.c:295
    [<00000000cb3cd18f>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

executing program