BUG: memory leak
unreferenced object 0xffff888118b7c160 (size 32):
  comm "syz-executor842", pid 6449, jiffies 4294951299 (age 19.590s)
  hex dump (first 32 bytes):
    34 32 39 34 39 35 31 32 39 39 00 6a 65 63 74 5f  4294951299.ject_
    72 3a 64 65 76 69 63 65 5f 74 3a 73 30 00 00 00  r:device_t:s0...
  backtrace:
    [<00000000fdfcd27b>] kmalloc include/linux/slab.h:555 [inline]
    [<00000000fdfcd27b>] v9fs_random_cachetag fs/9p/cache.c:36 [inline]
    [<00000000fdfcd27b>] v9fs_cache_session_get_cookie+0x98/0x100 fs/9p/cache.c:52
    [<0000000005952250>] v9fs_session_init+0x5a1/0x840 fs/9p/v9fs.c:470
    [<00000000a2f63b8d>] v9fs_mount+0x56/0x390 fs/9p/vfs_super.c:124
    [<00000000e937ec13>] legacy_get_tree+0x26/0x70 fs/fs_context.c:592
    [<00000000290d5b35>] vfs_get_tree+0x28/0xe0 fs/super.c:1547
    [<00000000d8157131>] do_new_mount fs/namespace.c:2875 [inline]
    [<00000000d8157131>] do_mount+0xa63/0xe40 fs/namespace.c:3200
    [<000000009239a56a>] __do_sys_mount fs/namespace.c:3410 [inline]
    [<000000009239a56a>] __se_sys_mount fs/namespace.c:3387 [inline]
    [<000000009239a56a>] __x64_sys_mount+0xb0/0x120 fs/namespace.c:3387
    [<000000005a276faa>] do_syscall_64+0x4c/0xe0 arch/x86/entry/common.c:384
    [<0000000016ea96e6>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff88811bdacbe0 (size 32):
  comm "syz-executor842", pid 6458, jiffies 4294951304 (age 19.540s)
  hex dump (first 32 bytes):
    34 32 39 34 39 35 31 33 30 34 00 46 7c a1 7c dc  4294951304.F|.|.
    e1 df 9e c7 48 90 90 fb e0 e1 a8 fc 99 d9 f5 ed  ....H...........
  backtrace:
    [<00000000fdfcd27b>] kmalloc include/linux/slab.h:555 [inline]
    [<00000000fdfcd27b>] v9fs_random_cachetag fs/9p/cache.c:36 [inline]
    [<00000000fdfcd27b>] v9fs_cache_session_get_cookie+0x98/0x100 fs/9p/cache.c:52
    [<0000000005952250>] v9fs_session_init+0x5a1/0x840 fs/9p/v9fs.c:470
    [<00000000a2f63b8d>] v9fs_mount+0x56/0x390 fs/9p/vfs_super.c:124
    [<00000000e937ec13>] legacy_get_tree+0x26/0x70 fs/fs_context.c:592
    [<00000000290d5b35>] vfs_get_tree+0x28/0xe0 fs/super.c:1547
    [<00000000d8157131>] do_new_mount fs/namespace.c:2875 [inline]
    [<00000000d8157131>] do_mount+0xa63/0xe40 fs/namespace.c:3200
    [<000000009239a56a>] __do_sys_mount fs/namespace.c:3410 [inline]
    [<000000009239a56a>] __se_sys_mount fs/namespace.c:3387 [inline]
    [<000000009239a56a>] __x64_sys_mount+0xb0/0x120 fs/namespace.c:3387
    [<000000005a276faa>] do_syscall_64+0x4c/0xe0 arch/x86/entry/common.c:384
    [<0000000016ea96e6>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff888118b7c160 (size 32):
  comm "syz-executor842", pid 6449, jiffies 4294951299 (age 20.700s)
  hex dump (first 32 bytes):
    34 32 39 34 39 35 31 32 39 39 00 6a 65 63 74 5f  4294951299.ject_
    72 3a 64 65 76 69 63 65 5f 74 3a 73 30 00 00 00  r:device_t:s0...
  backtrace:
    [<00000000fdfcd27b>] kmalloc include/linux/slab.h:555 [inline]
    [<00000000fdfcd27b>] v9fs_random_cachetag fs/9p/cache.c:36 [inline]
    [<00000000fdfcd27b>] v9fs_cache_session_get_cookie+0x98/0x100 fs/9p/cache.c:52
    [<0000000005952250>] v9fs_session_init+0x5a1/0x840 fs/9p/v9fs.c:470
    [<00000000a2f63b8d>] v9fs_mount+0x56/0x390 fs/9p/vfs_super.c:124
    [<00000000e937ec13>] legacy_get_tree+0x26/0x70 fs/fs_context.c:592
    [<00000000290d5b35>] vfs_get_tree+0x28/0xe0 fs/super.c:1547
    [<00000000d8157131>] do_new_mount fs/namespace.c:2875 [inline]
    [<00000000d8157131>] do_mount+0xa63/0xe40 fs/namespace.c:3200
    [<000000009239a56a>] __do_sys_mount fs/namespace.c:3410 [inline]
    [<000000009239a56a>] __se_sys_mount fs/namespace.c:3387 [inline]
    [<000000009239a56a>] __x64_sys_mount+0xb0/0x120 fs/namespace.c:3387
    [<000000005a276faa>] do_syscall_64+0x4c/0xe0 arch/x86/entry/common.c:384
    [<0000000016ea96e6>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff88811bdacbe0 (size 32):
  comm "syz-executor842", pid 6458, jiffies 4294951304 (age 20.650s)
  hex dump (first 32 bytes):
    34 32 39 34 39 35 31 33 30 34 00 46 7c a1 7c dc  4294951304.F|.|.
    e1 df 9e c7 48 90 90 fb e0 e1 a8 fc 99 d9 f5 ed  ....H...........
  backtrace:
    [<00000000fdfcd27b>] kmalloc include/linux/slab.h:555 [inline]
    [<00000000fdfcd27b>] v9fs_random_cachetag fs/9p/cache.c:36 [inline]
    [<00000000fdfcd27b>] v9fs_cache_session_get_cookie+0x98/0x100 fs/9p/cache.c:52
    [<0000000005952250>] v9fs_session_init+0x5a1/0x840 fs/9p/v9fs.c:470
    [<00000000a2f63b8d>] v9fs_mount+0x56/0x390 fs/9p/vfs_super.c:124
    [<00000000e937ec13>] legacy_get_tree+0x26/0x70 fs/fs_context.c:592
    [<00000000290d5b35>] vfs_get_tree+0x28/0xe0 fs/super.c:1547
    [<00000000d8157131>] do_new_mount fs/namespace.c:2875 [inline]
    [<00000000d8157131>] do_mount+0xa63/0xe40 fs/namespace.c:3200
    [<000000009239a56a>] __do_sys_mount fs/namespace.c:3410 [inline]
    [<000000009239a56a>] __se_sys_mount fs/namespace.c:3387 [inline]
    [<000000009239a56a>] __x64_sys_mount+0xb0/0x120 fs/namespace.c:3387
    [<000000005a276faa>] do_syscall_64+0x4c/0xe0 arch/x86/entry/common.c:384
    [<0000000016ea96e6>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff888118b7c160 (size 32):
  comm "syz-executor842", pid 6449, jiffies 4294951299 (age 21.830s)
  hex dump (first 32 bytes):
    34 32 39 34 39 35 31 32 39 39 00 6a 65 63 74 5f  4294951299.ject_
    72 3a 64 65 76 69 63 65 5f 74 3a 73 30 00 00 00  r:device_t:s0...
  backtrace:
    [<00000000fdfcd27b>] kmalloc include/linux/slab.h:555 [inline]
    [<00000000fdfcd27b>] v9fs_random_cachetag fs/9p/cache.c:36 [inline]
    [<00000000fdfcd27b>] v9fs_cache_session_get_cookie+0x98/0x100 fs/9p/cache.c:52
    [<0000000005952250>] v9fs_session_init+0x5a1/0x840 fs/9p/v9fs.c:470
    [<00000000a2f63b8d>] v9fs_mount+0x56/0x390 fs/9p/vfs_super.c:124
    [<00000000e937ec13>] legacy_get_tree+0x26/0x70 fs/fs_context.c:592
    [<00000000290d5b35>] vfs_get_tree+0x28/0xe0 fs/super.c:1547
    [<00000000d8157131>] do_new_mount fs/namespace.c:2875 [inline]
    [<00000000d8157131>] do_mount+0xa63/0xe40 fs/namespace.c:3200
    [<000000009239a56a>] __do_sys_mount fs/namespace.c:3410 [inline]
    [<000000009239a56a>] __se_sys_mount fs/namespace.c:3387 [inline]
    [<000000009239a56a>] __x64_sys_mount+0xb0/0x120 fs/namespace.c:3387
    [<000000005a276faa>] do_syscall_64+0x4c/0xe0 arch/x86/entry/common.c:384
    [<0000000016ea96e6>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff88811bdacbe0 (size 32):
  comm "syz-executor842", pid 6458, jiffies 4294951304 (age 21.780s)
  hex dump (first 32 bytes):
    34 32 39 34 39 35 31 33 30 34 00 46 7c a1 7c dc  4294951304.F|.|.
    e1 df 9e c7 48 90 90 fb e0 e1 a8 fc 99 d9 f5 ed  ....H...........
  backtrace:
    [<00000000fdfcd27b>] kmalloc include/linux/slab.h:555 [inline]
    [<00000000fdfcd27b>] v9fs_random_cachetag fs/9p/cache.c:36 [inline]
    [<00000000fdfcd27b>] v9fs_cache_session_get_cookie+0x98/0x100 fs/9p/cache.c:52
    [<0000000005952250>] v9fs_session_init+0x5a1/0x840 fs/9p/v9fs.c:470
    [<00000000a2f63b8d>] v9fs_mount+0x56/0x390 fs/9p/vfs_super.c:124
    [<00000000e937ec13>] legacy_get_tree+0x26/0x70 fs/fs_context.c:592
    [<00000000290d5b35>] vfs_get_tree+0x28/0xe0 fs/super.c:1547
    [<00000000d8157131>] do_new_mount fs/namespace.c:2875 [inline]
    [<00000000d8157131>] do_mount+0xa63/0xe40 fs/namespace.c:3200
    [<000000009239a56a>] __do_sys_mount fs/namespace.c:3410 [inline]
    [<000000009239a56a>] __se_sys_mount fs/namespace.c:3387 [inline]
    [<000000009239a56a>] __x64_sys_mount+0xb0/0x120 fs/namespace.c:3387
    [<000000005a276faa>] do_syscall_64+0x4c/0xe0 arch/x86/entry/common.c:384
    [<0000000016ea96e6>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff888118b7c160 (size 32):
  comm "syz-executor842", pid 6449, jiffies 4294951299 (age 22.960s)
  hex dump (first 32 bytes):
    34 32 39 34 39 35 31 32 39 39 00 6a 65 63 74 5f  4294951299.ject_
    72 3a 64 65 76 69 63 65 5f 74 3a 73 30 00 00 00  r:device_t:s0...
  backtrace:
    [<00000000fdfcd27b>] kmalloc include/linux/slab.h:555 [inline]
    [<00000000fdfcd27b>] v9fs_random_cachetag fs/9p/cache.c:36 [inline]
    [<00000000fdfcd27b>] v9fs_cache_session_get_cookie+0x98/0x100 fs/9p/cache.c:52
    [<0000000005952250>] v9fs_session_init+0x5a1/0x840 fs/9p/v9fs.c:470
    [<00000000a2f63b8d>] v9fs_mount+0x56/0x390 fs/9p/vfs_super.c:124
    [<00000000e937ec13>] legacy_get_tree+0x26/0x70 fs/fs_context.c:592
    [<00000000290d5b35>] vfs_get_tree+0x28/0xe0 fs/super.c:1547
    [<00000000d8157131>] do_new_mount fs/namespace.c:2875 [inline]
    [<00000000d8157131>] do_mount+0xa63/0xe40 fs/namespace.c:3200
    [<000000009239a56a>] __do_sys_mount fs/namespace.c:3410 [inline]
    [<000000009239a56a>] __se_sys_mount fs/namespace.c:3387 [inline]
    [<000000009239a56a>] __x64_sys_mount+0xb0/0x120 fs/namespace.c:3387
    [<000000005a276faa>] do_syscall_64+0x4c/0xe0 arch/x86/entry/common.c:384
    [<0000000016ea96e6>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff88811bdacbe0 (size 32):
  comm "syz-executor842", pid 6458, jiffies 4294951304 (age 22.910s)
  hex dump (first 32 bytes):
    34 32 39 34 39 35 31 33 30 34 00 46 7c a1 7c dc  4294951304.F|.|.
    e1 df 9e c7 48 90 90 fb e0 e1 a8 fc 99 d9 f5 ed  ....H...........
  backtrace:
    [<00000000fdfcd27b>] kmalloc include/linux/slab.h:555 [inline]
    [<00000000fdfcd27b>] v9fs_random_cachetag fs/9p/cache.c:36 [inline]
    [<00000000fdfcd27b>] v9fs_cache_session_get_cookie+0x98/0x100 fs/9p/cache.c:52
    [<0000000005952250>] v9fs_session_init+0x5a1/0x840 fs/9p/v9fs.c:470
    [<00000000a2f63b8d>] v9fs_mount+0x56/0x390 fs/9p/vfs_super.c:124
    [<00000000e937ec13>] legacy_get_tree+0x26/0x70 fs/fs_context.c:592
    [<00000000290d5b35>] vfs_get_tree+0x28/0xe0 fs/super.c:1547
    [<00000000d8157131>] do_new_mount fs/namespace.c:2875 [inline]
    [<00000000d8157131>] do_mount+0xa63/0xe40 fs/namespace.c:3200
    [<000000009239a56a>] __do_sys_mount fs/namespace.c:3410 [inline]
    [<000000009239a56a>] __se_sys_mount fs/namespace.c:3387 [inline]
    [<000000009239a56a>] __x64_sys_mount+0xb0/0x120 fs/namespace.c:3387
    [<000000005a276faa>] do_syscall_64+0x4c/0xe0 arch/x86/entry/common.c:384
    [<0000000016ea96e6>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff888118b7c160 (size 32):
  comm "syz-executor842", pid 6449, jiffies 4294951299 (age 25.110s)
  hex dump (first 32 bytes):
    34 32 39 34 39 35 31 32 39 39 00 6a 65 63 74 5f  4294951299.ject_
    72 3a 64 65 76 69 63 65 5f 74 3a 73 30 00 00 00  r:device_t:s0...
  backtrace:
    [<00000000fdfcd27b>] kmalloc include/linux/slab.h:555 [inline]
    [<00000000fdfcd27b>] v9fs_random_cachetag fs/9p/cache.c:36 [inline]
    [<00000000fdfcd27b>] v9fs_cache_session_get_cookie+0x98/0x100 fs/9p/cache.c:52
    [<0000000005952250>] v9fs_session_init+0x5a1/0x840 fs/9p/v9fs.c:470
    [<00000000a2f63b8d>] v9fs_mount+0x56/0x390 fs/9p/vfs_super.c:124
    [<00000000e937ec13>] legacy_get_tree+0x26/0x70 fs/fs_context.c:592
    [<00000000290d5b35>] vfs_get_tree+0x28/0xe0 fs/super.c:1547
    [<00000000d8157131>] do_new_mount fs/namespace.c:2875 [inline]
    [<00000000d8157131>] do_mount+0xa63/0xe40 fs/namespace.c:3200
    [<000000009239a56a>] __do_sys_mount fs/namespace.c:3410 [inline]
    [<000000009239a56a>] __se_sys_mount fs/namespace.c:3387 [inline]
    [<000000009239a56a>] __x64_sys_mount+0xb0/0x120 fs/namespace.c:3387
    [<000000005a276faa>] do_syscall_64+0x4c/0xe0 arch/x86/entry/common.c:384
    [<0000000016ea96e6>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff88811bdacbe0 (size 32):
  comm "syz-executor842", pid 6458, jiffies 4294951304 (age 25.060s)
  hex dump (first 32 bytes):
    34 32 39 34 39 35 31 33 30 34 00 46 7c a1 7c dc  4294951304.F|.|.
    e1 df 9e c7 48 90 90 fb e0 e1 a8 fc 99 d9 f5 ed  ....H...........
  backtrace:
    [<00000000fdfcd27b>] kmalloc include/linux/slab.h:555 [inline]
    [<00000000fdfcd27b>] v9fs_random_cachetag fs/9p/cache.c:36 [inline]
    [<00000000fdfcd27b>] v9fs_cache_session_get_cookie+0x98/0x100 fs/9p/cache.c:52
    [<0000000005952250>] v9fs_session_init+0x5a1/0x840 fs/9p/v9fs.c:470
    [<00000000a2f63b8d>] v9fs_mount+0x56/0x390 fs/9p/vfs_super.c:124
    [<00000000e937ec13>] legacy_get_tree+0x26/0x70 fs/fs_context.c:592
    [<00000000290d5b35>] vfs_get_tree+0x28/0xe0 fs/super.c:1547
    [<00000000d8157131>] do_new_mount fs/namespace.c:2875 [inline]
    [<00000000d8157131>] do_mount+0xa63/0xe40 fs/namespace.c:3200
    [<000000009239a56a>] __do_sys_mount fs/namespace.c:3410 [inline]
    [<000000009239a56a>] __se_sys_mount fs/namespace.c:3387 [inline]
    [<000000009239a56a>] __x64_sys_mount+0xb0/0x120 fs/namespace.c:3387
    [<000000005a276faa>] do_syscall_64+0x4c/0xe0 arch/x86/entry/common.c:384
    [<0000000016ea96e6>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff888118b7c160 (size 32):
  comm "syz-executor842", pid 6449, jiffies 4294951299 (age 26.210s)
  hex dump (first 32 bytes):
    34 32 39 34 39 35 31 32 39 39 00 6a 65 63 74 5f  4294951299.ject_
    72 3a 64 65 76 69 63 65 5f 74 3a 73 30 00 00 00  r:device_t:s0...
  backtrace:
    [<00000000fdfcd27b>] kmalloc include/linux/slab.h:555 [inline]
    [<00000000fdfcd27b>] v9fs_random_cachetag fs/9p/cache.c:36 [inline]
    [<00000000fdfcd27b>] v9fs_cache_session_get_cookie+0x98/0x100 fs/9p/cache.c:52
    [<0000000005952250>] v9fs_session_init+0x5a1/0x840 fs/9p/v9fs.c:470
    [<00000000a2f63b8d>] v9fs_mount+0x56/0x390 fs/9p/vfs_super.c:124
    [<00000000e937ec13>] legacy_get_tree+0x26/0x70 fs/fs_context.c:592
    [<00000000290d5b35>] vfs_get_tree+0x28/0xe0 fs/super.c:1547
    [<00000000d8157131>] do_new_mount fs/namespace.c:2875 [inline]
    [<00000000d8157131>] do_mount+0xa63/0xe40 fs/namespace.c:3200
    [<000000009239a56a>] __do_sys_mount fs/namespace.c:3410 [inline]
    [<000000009239a56a>] __se_sys_mount fs/namespace.c:3387 [inline]
    [<000000009239a56a>] __x64_sys_mount+0xb0/0x120 fs/namespace.c:3387
    [<000000005a276faa>] do_syscall_64+0x4c/0xe0 arch/x86/entry/common.c:384
    [<0000000016ea96e6>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff88811bdacbe0 (size 32):
  comm "syz-executor842", pid 6458, jiffies 4294951304 (age 26.160s)
  hex dump (first 32 bytes):
    34 32 39 34 39 35 31 33 30 34 00 46 7c a1 7c dc  4294951304.F|.|.
    e1 df 9e c7 48 90 90 fb e0 e1 a8 fc 99 d9 f5 ed  ....H...........
  backtrace:
    [<00000000fdfcd27b>] kmalloc include/linux/slab.h:555 [inline]
    [<00000000fdfcd27b>] v9fs_random_cachetag fs/9p/cache.c:36 [inline]
    [<00000000fdfcd27b>] v9fs_cache_session_get_cookie+0x98/0x100 fs/9p/cache.c:52
    [<0000000005952250>] v9fs_session_init+0x5a1/0x840 fs/9p/v9fs.c:470
    [<00000000a2f63b8d>] v9fs_mount+0x56/0x390 fs/9p/vfs_super.c:124
    [<00000000e937ec13>] legacy_get_tree+0x26/0x70 fs/fs_context.c:592
    [<00000000290d5b35>] vfs_get_tree+0x28/0xe0 fs/super.c:1547
    [<00000000d8157131>] do_new_mount fs/namespace.c:2875 [inline]
    [<00000000d8157131>] do_mount+0xa63/0xe40 fs/namespace.c:3200
    [<000000009239a56a>] __do_sys_mount fs/namespace.c:3410 [inline]
    [<000000009239a56a>] __se_sys_mount fs/namespace.c:3387 [inline]
    [<000000009239a56a>] __x64_sys_mount+0xb0/0x120 fs/namespace.c:3387
    [<000000005a276faa>] do_syscall_64+0x4c/0xe0 arch/x86/entry/common.c:384
    [<0000000016ea96e6>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff888118b7c160 (size 32):
  comm "syz-executor842", pid 6449, jiffies 4294951299 (age 27.340s)
  hex dump (first 32 bytes):
    34 32 39 34 39 35 31 32 39 39 00 6a 65 63 74 5f  4294951299.ject_
    72 3a 64 65 76 69 63 65 5f 74 3a 73 30 00 00 00  r:device_t:s0...
  backtrace:
    [<00000000fdfcd27b>] kmalloc include/linux/slab.h:555 [inline]
    [<00000000fdfcd27b>] v9fs_random_cachetag fs/9p/cache.c:36 [inline]
    [<00000000fdfcd27b>] v9fs_cache_session_get_cookie+0x98/0x100 fs/9p/cache.c:52
    [<0000000005952250>] v9fs_session_init+0x5a1/0x840 fs/9p/v9fs.c:470
    [<00000000a2f63b8d>] v9fs_mount+0x56/0x390 fs/9p/vfs_super.c:124
    [<00000000e937ec13>] legacy_get_tree+0x26/0x70 fs/fs_context.c:592
    [<00000000290d5b35>] vfs_get_tree+0x28/0xe0 fs/super.c:1547
    [<00000000d8157131>] do_new_mount fs/namespace.c:2875 [inline]
    [<00000000d8157131>] do_mount+0xa63/0xe40 fs/namespace.c:3200
    [<000000009239a56a>] __do_sys_mount fs/namespace.c:3410 [inline]
    [<000000009239a56a>] __se_sys_mount fs/namespace.c:3387 [inline]
    [<000000009239a56a>] __x64_sys_mount+0xb0/0x120 fs/namespace.c:3387
    [<000000005a276faa>] do_syscall_64+0x4c/0xe0 arch/x86/entry/common.c:384
    [<0000000016ea96e6>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff88811bdacbe0 (size 32):
  comm "syz-executor842", pid 6458, jiffies 4294951304 (age 27.290s)
  hex dump (first 32 bytes):
    34 32 39 34 39 35 31 33 30 34 00 46 7c a1 7c dc  4294951304.F|.|.
    e1 df 9e c7 48 90 90 fb e0 e1 a8 fc 99 d9 f5 ed  ....H...........
  backtrace:
    [<00000000fdfcd27b>] kmalloc include/linux/slab.h:555 [inline]
    [<00000000fdfcd27b>] v9fs_random_cachetag fs/9p/cache.c:36 [inline]
    [<00000000fdfcd27b>] v9fs_cache_session_get_cookie+0x98/0x100 fs/9p/cache.c:52
    [<0000000005952250>] v9fs_session_init+0x5a1/0x840 fs/9p/v9fs.c:470
    [<00000000a2f63b8d>] v9fs_mount+0x56/0x390 fs/9p/vfs_super.c:124
    [<00000000e937ec13>] legacy_get_tree+0x26/0x70 fs/fs_context.c:592
    [<00000000290d5b35>] vfs_get_tree+0x28/0xe0 fs/super.c:1547
    [<00000000d8157131>] do_new_mount fs/namespace.c:2875 [inline]
    [<00000000d8157131>] do_mount+0xa63/0xe40 fs/namespace.c:3200
    [<000000009239a56a>] __do_sys_mount fs/namespace.c:3410 [inline]
    [<000000009239a56a>] __se_sys_mount fs/namespace.c:3387 [inline]
    [<000000009239a56a>] __x64_sys_mount+0xb0/0x120 fs/namespace.c:3387
    [<000000005a276faa>] do_syscall_64+0x4c/0xe0 arch/x86/entry/common.c:384
    [<0000000016ea96e6>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

executing program