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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-08-07 13:11:27 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-08-07 13:11:27 +0000 |
commit | 34996e42f82bfd60bc2c191e5cae3c6ab233ec6c (patch) | |
tree | 62db60558cbf089714b48daeabca82bf2b20b20e /fs/smb/client/smb2pdu.c | |
parent | Adding debian version 6.8.12-1. (diff) | |
download | linux-34996e42f82bfd60bc2c191e5cae3c6ab233ec6c.tar.xz linux-34996e42f82bfd60bc2c191e5cae3c6ab233ec6c.zip |
Merging upstream version 6.9.7.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'fs/smb/client/smb2pdu.c')
-rw-r--r-- | fs/smb/client/smb2pdu.c | 40 |
1 files changed, 32 insertions, 8 deletions
diff --git a/fs/smb/client/smb2pdu.c b/fs/smb/client/smb2pdu.c index 60793143e2..a5efce03cb 100644 --- a/fs/smb/client/smb2pdu.c +++ b/fs/smb/client/smb2pdu.c @@ -743,7 +743,7 @@ assemble_neg_contexts(struct smb2_negotiate_req *req, pneg_ctxt += sizeof(struct smb2_posix_neg_context); neg_context_count++; - if (server->compress_algorithm) { + if (server->compression.requested) { build_compression_ctxt((struct smb2_compression_capabilities_context *) pneg_ctxt); ctxt_len = ALIGN(sizeof(struct smb2_compression_capabilities_context), 8); @@ -791,6 +791,9 @@ static void decode_compress_ctx(struct TCP_Server_Info *server, struct smb2_compression_capabilities_context *ctxt) { unsigned int len = le16_to_cpu(ctxt->DataLength); + __le16 alg; + + server->compression.enabled = false; /* * Caller checked that DataLength remains within SMB boundary. We still @@ -801,15 +804,22 @@ static void decode_compress_ctx(struct TCP_Server_Info *server, pr_warn_once("server sent bad compression cntxt\n"); return; } + if (le16_to_cpu(ctxt->CompressionAlgorithmCount) != 1) { - pr_warn_once("Invalid SMB3 compress algorithm count\n"); + pr_warn_once("invalid SMB3 compress algorithm count\n"); return; } - if (le16_to_cpu(ctxt->CompressionAlgorithms[0]) > 3) { - pr_warn_once("unknown compression algorithm\n"); + + alg = ctxt->CompressionAlgorithms[0]; + + /* 'NONE' (0) compressor type is never negotiated */ + if (alg == 0 || le16_to_cpu(alg) > 3) { + pr_warn_once("invalid compression algorithm '%u'\n", alg); return; } - server->compress_algorithm = ctxt->CompressionAlgorithms[0]; + + server->compression.alg = alg; + server->compression.enabled = true; } static int decode_encrypt_ctx(struct TCP_Server_Info *server, @@ -2732,6 +2742,17 @@ add_query_id_context(struct kvec *iov, unsigned int *num_iovec) return 0; } +static void add_ea_context(struct cifs_open_parms *oparms, + struct kvec *rq_iov, unsigned int *num_iovs) +{ + struct kvec *iov = oparms->ea_cctx; + + if (iov && iov->iov_base && iov->iov_len) { + rq_iov[(*num_iovs)++] = *iov; + memset(iov, 0, sizeof(*iov)); + } +} + static int alloc_path_with_tree_prefix(__le16 **out_path, int *out_size, int *out_len, const char *treename, const __le16 *path) @@ -3098,6 +3119,7 @@ SMB2_open_init(struct cifs_tcon *tcon, struct TCP_Server_Info *server, } add_query_id_context(iov, &n_iov); + add_ea_context(oparms, iov, &n_iov); if (n_iov > 2) { /* @@ -4116,6 +4138,8 @@ void smb2_reconnect_server(struct work_struct *work) list_for_each_entry(tcon, &ses->tcon_list, tcon_list) { if (tcon->need_reconnect || tcon->need_reopen_files) { tcon->tc_count++; + trace_smb3_tcon_ref(tcon->debug_id, tcon->tc_count, + netfs_trace_tcon_ref_get_reconnect_server); list_add_tail(&tcon->rlist, &tmp_list); tcon_selected = true; } @@ -4154,14 +4178,14 @@ void smb2_reconnect_server(struct work_struct *work) if (tcon->ipc) cifs_put_smb_ses(tcon->ses); else - cifs_put_tcon(tcon); + cifs_put_tcon(tcon, netfs_trace_tcon_ref_put_reconnect_server); } if (!ses_exist) goto done; /* allocate a dummy tcon struct used for reconnect */ - tcon = tcon_info_alloc(false); + tcon = tcon_info_alloc(false, netfs_trace_tcon_ref_new_reconnect_server); if (!tcon) { resched = true; list_for_each_entry_safe(ses, ses2, &tmp_ses_list, rlist) { @@ -4184,7 +4208,7 @@ void smb2_reconnect_server(struct work_struct *work) list_del_init(&ses->rlist); cifs_put_smb_ses(ses); } - tconInfoFree(tcon); + tconInfoFree(tcon, netfs_trace_tcon_ref_free_reconnect_server); done: cifs_dbg(FYI, "Reconnecting tcons and channels finished\n"); |