preadv2(r0, &(0x7f00000006c0)=[{&(0x7f0000000480)=""/252, 0xfc}, {&(0x7f0000000580)=""/36, 0x24}, {&(0x7f00000005c0)=""/200, 0xc8}], 0x3, 0x6, 0x40, 0x1)
BUG: memory leak
unreferenced object 0xffff8880164e7e00 (size 128):
  comm "syz-executor.2", pid 6792, jiffies 4295075208
  hex dump (first 32 bytes):
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
  backtrace (crc 781ec6ea):
    __kmalloc_cache_noprof+0x4a4/0x780
    v9fs_init_fs_context+0x49/0x5b0
    alloc_fs_context+0x580/0xb20
    path_mount+0xd8d/0x2140
    __x64_sys_mount+0x293/0x310
    do_syscall_64+0xbf/0x420
    entry_SYSCALL_64_after_hwframe+0x77/0x7f

BUG: memory leak
unreferenced object 0xffff88801ec09b00 (size 8):
  comm "syz-executor.2", pid 6792, jiffies 4295075208
  hex dump (first 8 bytes):
    6e 6f 62 6f 64 79 00 00                          nobody..
  backtrace (crc 9a5f3c3):
    __kmalloc_node_track_caller_noprof+0x4c1/0x890
    kstrdup+0x3e/0xc0
    v9fs_init_fs_context+0xf3/0x5b0
    alloc_fs_context+0x580/0xb20
    path_mount+0xd8d/0x2140
    __x64_sys_mount+0x293/0x310
    do_syscall_64+0xbf/0x420
    entry_SYSCALL_64_after_hwframe+0x77/0x7f

BUG: leak checking failed