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9755206f6d
Strictly speaking, this is not a bug because parsing loop will just skip
an empty ({NULL}, 0) blob. But it's better to avoid this case because
UBSan (as of clang-17 at least) may complain on such a parsing attempt:
source4/ntvfs/posix/posix_eadb.c:56:62: runtime error: applying zero offset to null pointer
#0 0x7f9d71ce7b2a in posix_eadb_add_list source4/ntvfs/posix/posix_eadb.c:56
#1 0x7f9d71ce7b2a in push_xattr_blob_tdb_raw source4/ntvfs/posix/posix_eadb.c:178
#2 0x7f9d71cec1f5 in py_wrap_setxattr source4/ntvfs/posix/python/pyposix_eadb.c:64
#3 0x7f9d88bd4507 in cfunction_call (/lib64/libpython3.11.so.1.0+0x1d4507)
[... a lot of Python calls skipped...]
Signed-off-by: Dmitry Antipov <dantipov@cloudlinux.com>
Reviewed-by: Joseph Sutton <josephsutton@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
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|---|---|---|
| .. | ||
| python | ||
| posix_eadb.c | ||
| posix_eadb.h | ||
| pvfs_acl_nfs4.c | ||
| pvfs_acl_xattr.c | ||
| pvfs_acl.c | ||
| pvfs_dirlist.c | ||
| pvfs_fileinfo.c | ||
| pvfs_flush.c | ||
| pvfs_fsinfo.c | ||
| pvfs_ioctl.c | ||
| pvfs_lock.c | ||
| pvfs_mkdir.c | ||
| pvfs_notify.c | ||
| pvfs_open.c | ||
| pvfs_oplock.c | ||
| pvfs_qfileinfo.c | ||
| pvfs_read.c | ||
| pvfs_rename.c | ||
| pvfs_resolve.c | ||
| pvfs_search.c | ||
| pvfs_seek.c | ||
| pvfs_setfileinfo.c | ||
| pvfs_shortname.c | ||
| pvfs_streams.c | ||
| pvfs_sys.c | ||
| pvfs_unlink.c | ||
| pvfs_util.c | ||
| pvfs_wait.c | ||
| pvfs_write.c | ||
| pvfs_xattr.c | ||
| vfs_posix.c | ||
| vfs_posix.h | ||
| wscript_build | ||
| xattr_system.c | ||