Author: arybchik Date: Wed Dec 26 10:22:49 2018 New Revision: 342514 URL: https://svnweb.freebsd.org/changeset/base/342514
Log: MFC r341290 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. Differential Revision: https://reviews.freebsd.org/D18252 Modified: stable/10/sys/dev/sfxge/common/mcdi_mon.c Directory Properties: stable/10/ (props changed) Modified: stable/10/sys/dev/sfxge/common/mcdi_mon.c ============================================================================== --- stable/10/sys/dev/sfxge/common/mcdi_mon.c Wed Dec 26 10:22:18 2018 (r342513) +++ stable/10/sys/dev/sfxge/common/mcdi_mon.c Wed Dec 26 10:22:49 2018 (r342514) @@ -322,7 +322,13 @@ 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; @@ -339,6 +345,11 @@ 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-stable-10@freebsd.org mailing list https://lists.freebsd.org/mailman/listinfo/svn-src-stable-10 To unsubscribe, send any mail to "svn-src-stable-10-unsubscr...@freebsd.org"
