net/sctp/outqueue.c:1380:1: warning: the frame size of 8200 bytes is larger than 1024 bytes

From: kernel test robot
Date: Sun Dec 27 2020 - 08:57:55 EST

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tree: config: csky-randconfig-r004-20201227 compiler: csky-linux-gcc reproduce (this is a W=1 build):
wget # If you fix the issue, Reported-by: kernel test
All warnings (new ones
net/sctp/outqueue.c: >> net/sctp/outqueue.c:1380:1: 1380 | }
| ^

vim +1380 net/sctp/outqueue.c

^1da177e4c3f415 Linus Torvalds ^1da177e4c3f415 Linus Torvalds ^1da177e4c3f415 Linus Torvalds ^1da177e4c3f415 Linus Torvalds ^1da177e4c3f415 Linus Torvalds ^1da177e4c3f415 Linus Torvalds edfee0339e681a7 Nicolas Dichtel ^1da177e4c3f415 Linus Torvalds ^1da177e4c3f415 Linus Torvalds edfee0339e681a7 Nicolas Dichtel ^1da177e4c3f415 Linus Torvalds ^1da177e4c3f415 Linus Torvalds 9dbc15f055f0539 Robert P. J. Day afd93b7be6e2473 Xin Long ^1da177e4c3f415 Linus Torvalds ^1da177e4c3f415 Linus Torvalds ^1da177e4c3f415 Linus Torvalds 95c961747284a6b Eric Dumazet ^1da177e4c3f415 Linus Torvalds ^1da177e4c3f415 Linus Torvalds 2cd9b822bfa79fc Vlad Yasevich ea862c8d1f4a0d1 Vlad Yasevich ^1da177e4c3f415 Linus Torvalds ^1da177e4c3f415 Linus Torvalds ^1da177e4c3f415 Linus Torvalds ^1da177e4c3f415 Linus Torvalds f643ee295c1c63b Kevin Kou f398efc14a9277b Kevin Kou f398efc14a9277b Kevin Kou f643ee295c1c63b Kevin Kou f643ee295c1c63b Kevin Kou f643ee295c1c63b Kevin Kou ^1da177e4c3f415 Linus Torvalds 2cd9b822bfa79fc Vlad Yasevich 196d67593439b03 Michele ^1da177e4c3f415 Linus Torvalds ^1da177e4c3f415 Linus Torvalds ^1da177e4c3f415 Linus Torvalds ^1da177e4c3f415 Linus Torvalds ^1da177e4c3f415 Linus Torvalds ^1da177e4c3f415 Linus Torvalds ^1da177e4c3f415 Linus Torvalds ^1da177e4c3f415 Linus Torvalds ^1da177e4c3f415 Linus Torvalds ^1da177e4c3f415 Linus Torvalds ^1da177e4c3f415 Linus Torvalds ^1da177e4c3f415 Linus Torvalds ^1da177e4c3f415 Linus Torvalds ^1da177e4c3f415 Linus Torvalds ab5216a5bd45375 Vlad Yasevich ab5216a5bd45375 Vlad Yasevich ab5216a5bd45375 Vlad Yasevich ^1da177e4c3f415 Linus Torvalds ab5216a5bd45375 Vlad Yasevich ab5216a5bd45375 Vlad Yasevich ab5216a5bd45375 Vlad Yasevich ab5216a5bd45375 Vlad Yasevich ab5216a5bd45375 Vlad Yasevich ab5216a5bd45375 Vlad Yasevich ab5216a5bd45375 Vlad Yasevich ab5216a5bd45375 Vlad Yasevich ab5216a5bd45375 Vlad Yasevich ab5216a5bd45375 Vlad Yasevich ab5216a5bd45375 Vlad Yasevich ab5216a5bd45375 Vlad Yasevich ab5216a5bd45375 Vlad Yasevich ab5216a5bd45375 Vlad Yasevich ^1da177e4c3f415 Linus Torvalds ^1da177e4c3f415 Linus Torvalds ^1da177e4c3f415 Linus Torvalds ab5216a5bd45375 Vlad Yasevich ^1da177e4c3f415 Linus Torvalds ^1da177e4c3f415 Linus Torvalds ^1da177e4c3f415 Linus Torvalds 2cd9b822bfa79fc Vlad Yasevich 2cd9b822bfa79fc Vlad Yasevich ^1da177e4c3f415 Linus Torvalds bfa0d9843ac5feb Vlad Yasevich ^1da177e4c3f415 Linus Torvalds ^1da177e4c3f415 Linus Torvalds bfa0d9843ac5feb Vlad Yasevich 2cd9b822bfa79fc Vlad Yasevich ^1da177e4c3f415 Linus Torvalds ^1da177e4c3f415 Linus Torvalds ^1da177e4c3f415 Linus Torvalds edfee0339e681a7 Nicolas Dichtel ^1da177e4c3f415 Linus Torvalds ^1da177e4c3f415 Linus Torvalds ^1da177e4c3f415 Linus Torvalds ^1da177e4c3f415 Linus Torvalds ^1da177e4c3f415 Linus Torvalds ^1da177e4c3f415 Linus Torvalds 9dbc15f055f0539 Robert P. J. Day ^1da177e4c3f415 Linus Torvalds edfee0339e681a7 Nicolas Dichtel edfee0339e681a7 Nicolas Dichtel ^1da177e4c3f415 Linus Torvalds ^1da177e4c3f415 Linus Torvalds ^1da177e4c3f415 Linus Torvalds ^1da177e4c3f415 Linus Torvalds ^1da177e4c3f415 Linus Torvalds ^1da177e4c3f415 Linus Torvalds ^1da177e4c3f415 Linus Torvalds ^1da177e4c3f415 Linus Torvalds ^1da177e4c3f415 Linus Torvalds ea862c8d1f4a0d1 Vlad Yasevich ea862c8d1f4a0d1 Vlad Yasevich ea862c8d1f4a0d1 Vlad Yasevich ea862c8d1f4a0d1 Vlad Yasevich ea862c8d1f4a0d1 Vlad Yasevich ea862c8d1f4a0d1 Vlad Yasevich 2cd9b822bfa79fc Vlad Yasevich ea862c8d1f4a0d1 Vlad Yasevich ea862c8d1f4a0d1 Vlad Yasevich ea862c8d1f4a0d1 Vlad Yasevich ea862c8d1f4a0d1 Vlad Yasevich 2cd9b822bfa79fc Vlad Yasevich ^1da177e4c3f415 Linus Torvalds ^1da177e4c3f415 Linus Torvalds ^1da177e4c3f415 Linus Torvalds ^1da177e4c3f415 Linus Torvalds ^1da177e4c3f415 Linus Torvalds ^1da177e4c3f415 Linus Torvalds ^1da177e4c3f415 Linus Torvalds ^1da177e4c3f415 Linus Torvalds ^1da177e4c3f415 Linus Torvalds ^1da177e4c3f415 Linus Torvalds ^1da177e4c3f415 Linus Torvalds ^1da177e4c3f415 Linus Torvalds ^1da177e4c3f415 Linus Torvalds ^1da177e4c3f415 Linus Torvalds 5f9646c3d9f92a9 Vlad Yasevich 5f9646c3d9f92a9 Vlad Yasevich be4947bf46cb0e7 Xin Long 8dbdf1f5b09cb22 Xin Long 8dbdf1f5b09cb22 Xin Long ^1da177e4c3f415 Linus Torvalds ^1da177e4c3f415 Linus Torvalds 5f9646c3d9f92a9 Vlad Yasevich ^1da177e4c3f415 Linus Torvalds ^1da177e4c3f415 Linus Torvalds ^1da177e4c3f415 Linus Torvalds ^1da177e4c3f415 Linus Torvalds ^1da177e4c3f415 Linus Torvalds ^1da177e4c3f415 Linus Torvalds ^1da177e4c3f415 Linus Torvalds 8a0d19c5ed417c7 lucien ^1da177e4c3f415 Linus Torvalds ^1da177e4c3f415 Linus Torvalds ^1da177e4c3f415 Linus Torvalds ^1da177e4c3f415 Linus Torvalds ^1da177e4c3f415 Linus Torvalds ^1da177e4c3f415 Linus Torvalds ^1da177e4c3f415 Linus Torvalds ^1da177e4c3f415 Linus Torvalds ^1da177e4c3f415 Linus Torvalds 8e0c3b73cec1b94 Xin Long ^1da177e4c3f415 Linus Torvalds bb33381d0c97cde Daniel Borkmann bb33381d0c97cde Daniel Borkmann bb33381d0c97cde Daniel Borkmann bb33381d0c97cde Daniel Borkmann ^1da177e4c3f415 Linus Torvalds 619a60ee04be332 Vlad Yasevich ^1da177e4c3f415 Linus Torvalds ^1da177e4c3f415 Linus Torvalds
:::::: The code at line :::::: 1da177e4c3f41524e886b7f
:::::: TO: Linus Torvalds :::::: CC: Linus Torvalds
---
0-DAY CI Kernel Test Description: application/gzip Linus Walleij: "Re: [RFC PATCH 0/3] gpio: ep93xx: convert to multi irqchips" message: Defang Bo: "[PATCH] kgdbts: Passing ekgdbts to command line causes panic" sorted by: [ date ] [ thread ] [ subject ] [ author ] href="https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git">https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
423e9dd2db13892f3f
aa269b8bb108c19300 csky: Fixup calltrace panic
(attached as .config)
(GCC) 9.3.0
href="https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross">https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
href="https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=18c07d23da5a48525b2955aa269b8bb108c19300">https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=18c07d23da5a48525b2955aa269b8bb108c19300
rel="nofollow" href="https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git">https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
linus master
18c07d23da5a48525b2955aa269b8bb108c19300
.config to linux build tree
COMPILER=gcc-9.3.0 make.cross ARCH=csky
kindly add following tag as appropriate
robot <lkp@xxxxxxxxx>
prefixed by >>):
In function 'sctp_outq_sack':
warning: the frame size of 8200 bytes is larger than 1024 bytes [-Wframe-larger-than=]
2005-04-16 1216
2005-04-16 1217 /* This is where we REALLY process a SACK.
2005-04-16 1218 *
2005-04-16 1219 * Process the SACK against the outqueue. Mostly, this just frees
2005-04-16 1220 * things off the transmitted queue.
2005-04-16 1221 */
2012-10-03 1222 int sctp_outq_sack(struct sctp_outq *q, struct sctp_chunk *chunk)
2005-04-16 1223 {
2005-04-16 1224 struct sctp_association *asoc = q->asoc;
2012-10-03 1225 struct sctp_sackhdr *sack = chunk->subh.sack_hdr;
2005-04-16 1226 struct sctp_transport *transport;
2005-04-16 1227 struct sctp_chunk *tchunk = NULL;
2008-04-12 1228 struct list_head *lchunk, *transport_list, *temp;
2017-07-23 1229 union sctp_sack_variable *frags = sack->variable;
2005-04-16 1230 __u32 sack_ctsn, ctsn, tsn;
2005-04-16 1231 __u32 highest_tsn, highest_new_tsn;
2005-04-16 1232 __u32 sack_a_rwnd;
2012-04-15 1233 unsigned int outstanding;
2005-04-16 1234 struct sctp_transport *primary = asoc->peer.primary_path;
2005-04-16 1235 int count_of_newacks = 0;
2008-06-19 1236 int gap_ack_blocks;
2010-04-30 1237 u8 accum_moved = 0;
2005-04-16 1238
2005-04-16 1239 /* Grab the association's destination address list. */
2005-04-16 1240 transport_list = &asoc->peer.transport_addr_list;
2005-04-16 1241
2019-12-26 1242 /* SCTP path tracepoint for congestion control debugging. */
2019-12-27 1243 if (trace_sctp_probe_path_enabled()) {
2019-12-27 1244 list_for_each_entry(transport, transport_list, transports)
2019-12-26 1245 trace_sctp_probe_path(transport, asoc);
2019-12-26 1246 }
2019-12-26 1247
2005-04-16 1248 sack_ctsn = ntohl(sack->cum_tsn_ack);
2008-06-19 1249 gap_ack_blocks = ntohs(sack->num_gap_ack_blocks);
Baldessari 2012-12-01 1250 asoc->stats.gapcnt += gap_ack_blocks;
2005-04-16 1251 /*
2005-04-16 1252 * SFR-CACC algorithm:
2005-04-16 1253 * On receipt of a SACK the sender SHOULD execute the
2005-04-16 1254 * following statements.
2005-04-16 1255 *
2005-04-16 1256 * 1) If the cumulative ack in the SACK passes next tsn_at_change
2005-04-16 1257 * on the current primary, the CHANGEOVER_ACTIVE flag SHOULD be
2005-04-16 1258 * cleared. The CYCLING_CHANGEOVER flag SHOULD also be cleared for
2005-04-16 1259 * all destinations.
2005-04-16 1260 * 2) If the SACK contains gap acks and the flag CHANGEOVER_ACTIVE
2005-04-16 1261 * is set the receiver of the SACK MUST take the following actions:
2005-04-16 1262 *
2005-04-16 1263 * A) Initialize the cacc_saw_newack to 0 for all destination
2005-04-16 1264 * addresses.
2008-06-19 1265 *
2008-06-19 1266 * Only bother if changeover_active is set. Otherwise, this is
2008-06-19 1267 * totally suboptimal to do on every SACK.
2005-04-16 1268 */
2008-06-19 1269 if (primary->cacc.changeover_active) {
2008-06-19 1270 u8 clear_cycling = 0;
2008-06-19 1271
2008-06-19 1272 if (TSN_lte(primary->cacc.next_tsn_at_change, sack_ctsn)) {
2008-06-19 1273 primary->cacc.changeover_active = 0;
2008-06-19 1274 clear_cycling = 1;
2008-06-19 1275 }
2008-06-19 1276
2008-06-19 1277 if (clear_cycling || gap_ack_blocks) {
2008-06-19 1278 list_for_each_entry(transport, transport_list,
2008-06-19 1279 transports) {
2008-06-19 1280 if (clear_cycling)
2008-06-19 1281 transport->cacc.cycling_changeover = 0;
2008-06-19 1282 if (gap_ack_blocks)
2005-04-16 1283 transport->cacc.cacc_saw_newack = 0;
2005-04-16 1284 }
2005-04-16 1285 }
2008-06-19 1286 }
2005-04-16 1287
2005-04-16 1288 /* Get the highest TSN in the sack. */
2005-04-16 1289 highest_tsn = sack_ctsn;
2008-06-19 1290 if (gap_ack_blocks)
2008-06-19 1291 highest_tsn += ntohs(frags[gap_ack_blocks - 1].gab.end);
2005-04-16 1292
2010-04-30 1293 if (TSN_lt(asoc->highest_sacked, highest_tsn))
2005-04-16 1294 asoc->highest_sacked = highest_tsn;
2005-04-16 1295
2010-04-30 1296 highest_new_tsn = sack_ctsn;
2008-06-19 1297
2005-04-16 1298 /* Run through the retransmit queue. Credit bytes received
2005-04-16 1299 * and free those chunks that we can.
2005-04-16 1300 */
2012-10-03 1301 sctp_check_transmitted(q, &q->retransmit, NULL, NULL, sack, &highest_new_tsn);
2005-04-16 1302
2005-04-16 1303 /* Run through the transmitted queue.
2005-04-16 1304 * Credit bytes received and free those chunks which we can.
2005-04-16 1305 *
2005-04-16 1306 * This is a MASSIVE candidate for optimization.
2005-04-16 1307 */
2008-04-12 1308 list_for_each_entry(transport, transport_list, transports) {
2005-04-16 1309 sctp_check_transmitted(q, &transport->transmitted,
2012-10-03 1310 transport, &chunk->source, sack,
2012-10-03 1311 &highest_new_tsn);
2005-04-16 1312 /*
2005-04-16 1313 * SFR-CACC algorithm:
2005-04-16 1314 * C) Let count_of_newacks be the number of
2005-04-16 1315 * destinations for which cacc_saw_newack is set.
2005-04-16 1316 */
2005-04-16 1317 if (transport->cacc.cacc_saw_newack)
2005-04-16 1318 count_of_newacks++;
2005-04-16 1319 }
2005-04-16 1320
2010-04-30 1321 /* Move the Cumulative TSN Ack Point if appropriate. */
2010-04-30 1322 if (TSN_lt(asoc->ctsn_ack_point, sack_ctsn)) {
2010-04-30 1323 asoc->ctsn_ack_point = sack_ctsn;
2010-04-30 1324 accum_moved = 1;
2010-04-30 1325 }
2010-04-30 1326
2008-06-19 1327 if (gap_ack_blocks) {
2010-04-30 1328
2010-04-30 1329 if (asoc->fast_recovery && accum_moved)
2010-04-30 1330 highest_new_tsn = highest_tsn;
2010-04-30 1331
2008-06-19 1332 list_for_each_entry(transport, transport_list, transports)
2005-04-16 1333 sctp_mark_missing(q, &transport->transmitted, transport,
2005-04-16 1334 highest_new_tsn, count_of_newacks);
2005-04-16 1335 }
2005-04-16 1336
2005-04-16 1337 /* Update unack_data field in the assoc. */
2005-04-16 1338 sctp_sack_update_unack_data(asoc, sack);
2005-04-16 1339
2005-04-16 1340 ctsn = asoc->ctsn_ack_point;
2005-04-16 1341
2005-04-16 1342 /* Throw away stuff rotting on the sack queue. */
2005-04-16 1343 list_for_each_safe(lchunk, temp, &q->sacked) {
2005-04-16 1344 tchunk = list_entry(lchunk, struct sctp_chunk,
2005-04-16 1345 transmitted_list);
2005-04-16 1346 tsn = ntohl(tchunk->subh.data_hdr->tsn);
2008-02-05 1347 if (TSN_lte(tsn, ctsn)) {
2008-02-05 1348 list_del_init(&tchunk->transmitted_list);
2016-09-29 1349 if (asoc->peer.prsctp_capable &&
2016-07-09 1350 SCTP_PR_PRIO_ENABLED(chunk->sinfo.sinfo_flags))
2016-07-09 1351 asoc->sent_cnt_removable--;
2005-04-16 1352 sctp_chunk_free(tchunk);
2005-04-16 1353 }
2008-02-05 1354 }
2005-04-16 1355
2005-04-16 1356 /* ii) Set rwnd equal to the newly received a_rwnd minus the
2005-04-16 1357 * number of bytes still outstanding after processing the
2005-04-16 1358 * Cumulative TSN Ack and the Gap Ack Blocks.
2005-04-16 1359 */
2005-04-16 1360
2005-04-16 1361 sack_a_rwnd = ntohl(sack->a_rwnd);
2015-12-05 1362 asoc->peer.zero_window_announced = !sack_a_rwnd;
2005-04-16 1363 outstanding = q->outstanding_bytes;
2005-04-16 1364
2005-04-16 1365 if (outstanding < sack_a_rwnd)
2005-04-16 1366 sack_a_rwnd -= outstanding;
2005-04-16 1367 else
2005-04-16 1368 sack_a_rwnd = 0;
2005-04-16 1369
2005-04-16 1370 asoc->peer.rwnd = sack_a_rwnd;
2005-04-16 1371
2017-12-15 1372 asoc->stream.si->generate_ftsn(q, sack_ctsn);
2005-04-16 1373
2013-06-28 1374 pr_debug("%s: sack cumulative tsn ack:0x%x\n", __func__, sack_ctsn);
2013-06-28 1375 pr_debug("%s: cumulative tsn ack of assoc:%p is 0x%x, "
2013-06-28 1376 "advertised peer ack point:0x%x\n", __func__, asoc, ctsn,
2013-06-28 1377 asoc->adv_peer_ack_point);
2005-04-16 1378
2014-01-02 1379 return sctp_outq_is_empty(q);
2005-04-16 @1380 }
2005-04-16 1381
1380 was first introduced by commit
1b8a0c1fc7321cac2 Linux-2.6.12-rc2
<torvalds@xxxxxxxxxxxxxxx>
<torvalds@xxxxxxxxxxxxxxx>
Service, Intel Corporation
://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx">https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
>.config.gz

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