r3 = openat(0xffffffffffffffff, &(0x7f0000000280)='/proc/self/exe\x00', 0x0, 0x0)
sendfile(r2, r3, 0x0, 0x100000001)
write$binfmt_aout(r1, &(0x7f0000003740)=ANY=[], 0x1920)
ioctl$EXT4_IOC_MOVE_EXT(r0, 0xc028660f, &(0x7f0000000040)={0x4838f, r1})
BUG: memory leak
unreferenced object 0xffff88800e0a9880 (size 32):
  comm "syz-executor.7", pid 8307, jiffies 4296012001 (age 23.284s)
  hex dump (first 32 bytes):
    39 70 2d 66 63 61 6c 6c 2d 63 61 63 68 65 2d 39  9p-fcall-cache-9
    35 00 0a 0e 80 88 ff ff 00 00 00 00 00 00 00 00  5...............
  backtrace:
    [<0000000026f4399b>] kstrdup+0x36/0x70 mm/util.c:60
    [<0000000093c56265>] kstrdup_const+0x53/0x80 mm/util.c:83
    [<00000000fa232e03>] kvasprintf_const+0x10c/0x1a0 lib/kasprintf.c:48
    [<00000000009095b4>] kobject_set_name_vargs+0x56/0x150 lib/kobject.c:297
    [<000000005e863481>] kobject_add_varg lib/kobject.c:392 [inline]
    [<000000005e863481>] kobject_init_and_add+0xc9/0x160 lib/kobject.c:481
    [<000000002c541f00>] sysfs_slab_add+0x172/0x200 mm/slub.c:5626
    [<00000000b7054ae6>] __kmem_cache_create+0x3db/0x520 mm/slub.c:4445
    [<000000000984bd2b>] create_cache mm/slab_common.c:255 [inline]
    [<000000000984bd2b>] kmem_cache_create_usercopy+0x1db/0x2f0 mm/slab_common.c:350
    [<00000000df4f77c0>] p9_client_create+0xc6a/0x1230 net/9p/client.c:1074
    [<00000000aa3db1ae>] v9fs_session_init+0x1dd/0x1680 fs/9p/v9fs.c:406
    [<000000008540c3e4>] v9fs_mount+0x79/0x8f0 fs/9p/vfs_super.c:126
    [<00000000764946fc>] legacy_get_tree+0x105/0x220 fs/fs_context.c:593
    [<00000000eadfb8f1>] vfs_get_tree+0x8e/0x300 fs/super.c:1572
    [<000000002c4c6ff2>] do_new_mount fs/namespace.c:2917 [inline]
    [<000000002c4c6ff2>] path_mount+0x1429/0x2120 fs/namespace.c:3247
    [<00000000668e3ed5>] do_mount fs/namespace.c:3260 [inline]
    [<00000000668e3ed5>] __do_sys_mount fs/namespace.c:3468 [inline]
    [<00000000668e3ed5>] __se_sys_mount fs/namespace.c:3445 [inline]
    [<00000000668e3ed5>] __x64_sys_mount+0x282/0x300 fs/namespace.c:3445
    [<00000000e29f13ef>] do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46

BUG: memory leak
unreferenced object 0xffff888046406900 (size 32):
  comm "syz-executor.7", pid 8339, jiffies 4296012492 (age 22.794s)
  hex dump (first 32 bytes):
    39 70 2d 66 63 61 6c 6c 2d 63 61 63 68 65 2d 39  9p-fcall-cache-9
    37 00 40 46 80 88 ff ff 10 00 00 00 00 00 00 00  7.@F............
  backtrace:
    [<0000000026f4399b>] kstrdup+0x36/0x70 mm/util.c:60
    [<0000000093c56265>] kstrdup_const+0x53/0x80 mm/util.c:83
    [<00000000fa232e03>] kvasprintf_const+0x10c/0x1a0 lib/kasprintf.c:48
    [<00000000009095b4>] kobject_set_name_vargs+0x56/0x150 lib/kobject.c:297
    [<000000005e863481>] kobject_add_varg lib/kobject.c:392 [inline]
    [<000000005e863481>] kobject_init_and_add+0xc9/0x160 lib/kobject.c:481
    [<000000002c541f00>] sysfs_slab_add+0x172/0x200 mm/slub.c:5626
    [<00000000b7054ae6>] __kmem_cache_create+0x3db/0x520 mm/slub.c:4445
    [<000000000984bd2b>] create_cache mm/slab_common.c:255 [inline]
    [<000000000984bd2b>] kmem_cache_create_usercopy+0x1db/0x2f0 mm/slab_common.c:350
    [<00000000df4f77c0>] p9_client_create+0xc6a/0x1230 net/9p/client.c:1074
    [<00000000aa3db1ae>] v9fs_session_init+0x1dd/0x1680 fs/9p/v9fs.c:406
    [<000000008540c3e4>] v9fs_mount+0x79/0x8f0 fs/9p/vfs_super.c:126
    [<00000000764946fc>] legacy_get_tree+0x105/0x220 fs/fs_context.c:593
    [<00000000eadfb8f1>] vfs_get_tree+0x8e/0x300 fs/super.c:1572
    [<000000002c4c6ff2>] do_new_mount fs/namespace.c:2917 [inline]
    [<000000002c4c6ff2>] path_mount+0x1429/0x2120 fs/namespace.c:3247
    [<00000000668e3ed5>] do_mount fs/namespace.c:3260 [inline]
    [<00000000668e3ed5>] __do_sys_mount fs/namespace.c:3468 [inline]
    [<00000000668e3ed5>] __se_sys_mount fs/namespace.c:3445 [inline]
    [<00000000668e3ed5>] __x64_sys_mount+0x282/0x300 fs/namespace.c:3445
    [<00000000e29f13ef>] do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46

BUG: leak checking failed