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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2025-12-24 09:23:04 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2025-12-24 09:23:04 -0800 |
| commit | ccd1cdca5cd433c8a5dff78b69a79b31d9b77ee1 (patch) | |
| tree | 7292170fee6bc8e17d9b89a01b653de55eb6e4ef /net | |
| parent | ce93692d681e89d2c31aacedb055c4638deb1be9 (diff) | |
| parent | 913f7cf77bf14c13cfea70e89bcb6d0b22239562 (diff) | |
Pull nfsd fixes from Chuck Lever:
"A set of NFSD fixes that arrived just a bit late for the 6.19 merge
window.
Regression fixes:
- Mark variable __maybe_unused to avoid W=1 build break
Stable fixes:
- NFSv4 file creation neglects setting ACL
- Clear TIME_DELEG in the suppattr_exclcreat bitmap
- Clear SECLABEL in the suppattr_exclcreat bitmap
- Fix memory leak in nfsd_create_serv error paths
- Bound check rq_pages index in inline path
- Return 0 on success from svc_rdma_copy_inline_range
- Use rc_pageoff for memcpy byte offset
- Avoid NULL deref on zero length gss_token in gss_read_proxy_verf"
* tag 'nfsd-6.19-1' of git://git.kernel.org/pub/scm/linux/kernel/git/cel/linux:
NFSD: NFSv4 file creation neglects setting ACL
NFSD: Clear TIME_DELEG in the suppattr_exclcreat bitmap
NFSD: Clear SECLABEL in the suppattr_exclcreat bitmap
nfsd: fix memory leak in nfsd_create_serv error paths
nfsd: Mark variable __maybe_unused to avoid W=1 build break
svcrdma: bound check rq_pages index in inline path
svcrdma: return 0 on success from svc_rdma_copy_inline_range
svcrdma: use rc_pageoff for memcpy byte offset
SUNRPC: svcauth_gss: avoid NULL deref on zero length gss_token in gss_read_proxy_verf
Diffstat (limited to 'net')
| -rw-r--r-- | net/sunrpc/auth_gss/svcauth_gss.c | 3 | ||||
| -rw-r--r-- | net/sunrpc/xprtrdma/svc_rdma_rw.c | 7 |
2 files changed, 7 insertions, 3 deletions
diff --git a/net/sunrpc/auth_gss/svcauth_gss.c b/net/sunrpc/auth_gss/svcauth_gss.c index a8ec30759a18..e2f0df8cdaa6 100644 --- a/net/sunrpc/auth_gss/svcauth_gss.c +++ b/net/sunrpc/auth_gss/svcauth_gss.c @@ -1083,7 +1083,8 @@ static int gss_read_proxy_verf(struct svc_rqst *rqstp, } length = min_t(unsigned int, inlen, (char *)xdr->end - (char *)xdr->p); - memcpy(page_address(in_token->pages[0]), xdr->p, length); + if (length) + memcpy(page_address(in_token->pages[0]), xdr->p, length); inlen -= length; to_offs = length; diff --git a/net/sunrpc/xprtrdma/svc_rdma_rw.c b/net/sunrpc/xprtrdma/svc_rdma_rw.c index 661b3fe2779f..310de7a80be5 100644 --- a/net/sunrpc/xprtrdma/svc_rdma_rw.c +++ b/net/sunrpc/xprtrdma/svc_rdma_rw.c @@ -841,6 +841,9 @@ static int svc_rdma_copy_inline_range(struct svc_rqst *rqstp, for (page_no = 0; page_no < numpages; page_no++) { unsigned int page_len; + if (head->rc_curpage >= rqstp->rq_maxpages) + return -EINVAL; + page_len = min_t(unsigned int, remaining, PAGE_SIZE - head->rc_pageoff); @@ -848,7 +851,7 @@ static int svc_rdma_copy_inline_range(struct svc_rqst *rqstp, head->rc_page_count++; dst = page_address(rqstp->rq_pages[head->rc_curpage]); - memcpy(dst + head->rc_curpage, src + offset, page_len); + memcpy((unsigned char *)dst + head->rc_pageoff, src + offset, page_len); head->rc_readbytes += page_len; head->rc_pageoff += page_len; @@ -860,7 +863,7 @@ static int svc_rdma_copy_inline_range(struct svc_rqst *rqstp, offset += page_len; } - return -EINVAL; + return 0; } /** |