Author: arybchik Date: Fri Nov 30 07:04:13 2018 New Revision: 341290 URL: https://svnweb.freebsd.org/changeset/base/341290
Log: sfxge(4): check size of memory to read sensors data to Size of provided memory should be consistent with specified size. Submitted by: Martin Harvey <mharvey at solarflare.com> Sponsored by: Solarflare Communications, Inc. MFC after: 1 week Differential Revision: https://reviews.freebsd.org/D18252 Modified: head/sys/dev/sfxge/common/mcdi_mon.c Modified: head/sys/dev/sfxge/common/mcdi_mon.c ============================================================================== --- head/sys/dev/sfxge/common/mcdi_mon.c Fri Nov 30 06:47:01 2018 (r341289) +++ head/sys/dev/sfxge/common/mcdi_mon.c Fri Nov 30 07:04:13 2018 (r341290) @@ -221,7 +221,13 @@ efx_mcdi_read_sensors( uint8_t payload[MAX(MC_CMD_READ_SENSORS_EXT_IN_LEN, MC_CMD_READ_SENSORS_EXT_OUT_LEN)]; uint32_t addr_lo, addr_hi; + efx_rc_t rc; + if (EFSYS_MEM_SIZE(esmp) < size) { + rc = EINVAL; + goto fail1; + } + req.emr_cmd = MC_CMD_READ_SENSORS; req.emr_in_buf = payload; req.emr_in_length = MC_CMD_READ_SENSORS_EXT_IN_LEN; @@ -238,6 +244,11 @@ efx_mcdi_read_sensors( efx_mcdi_execute(enp, &req); return (req.emr_rc); + +fail1: + EFSYS_PROBE1(fail1, efx_rc_t, rc); + + return (rc); } static __checkReturn efx_rc_t _______________________________________________ svn-src-head@freebsd.org mailing list https://lists.freebsd.org/mailman/listinfo/svn-src-head To unsubscribe, send any mail to "svn-src-head-unsubscr...@freebsd.org"
