gnu/packages/patches/psm-disable-memory-stats.patch

   1 The memory statistics code leads to segfaults during initialization (on
   2 machines with InfiniPath networking):
   3
   4   (gdb) bt full
   5   #0  ips_ptl_init (ep=0x1fc6af8, ptl=0x1fc6f88, ctl=0x1fc6d78) at ptl.c:224
   6           err = PSM_OK
   7           num_of_send_bufs = 1024
   8           num_of_send_desc = 4096
   9           imm_size = 128
  10           context = 0x1fc6b70
  11           user_info = 0x1fc6b90
  12           enable_shcontexts = 0
  13           current_count = <optimized out>
  14   #1  0x00007fb2aa672abf in __psm_ep_open_internal (
  15       unique_job_key=unique_job_key@entry=0x7ffed1ee5800 "<\207\020#5\271\267\200\354x\242e8\364zo",
  16       devid_enabled=devid_enabled@entry=0x7ffed1ee5724, opts_i=opts_i@entry=0x7ffed1ee5810, mq=<optimized out>,
  17       epo=epo@entry=0x7ffed1ee5710, epido=epido@entry=0x7ffed1ee5708) at psm_ep.c:929
  18           ep = 0x1fc6af8
  19           num_units = 1
  20           len = <optimized out>
  21           err = <optimized out>
  22           epaddr = 0x1e9dd78
  23           buf = "miriel044:2.0.", '\000' <repeats 113 times>
  24           p = <optimized out>
  25           e = <optimized out>
  26           old_cpuaff = 0x0
  27           old_unit = 0x0
  28           yield_cnt = {e_void = 0xfa, e_str = 0xfa <error: Cannot access memory at address 0xfa>, e_int = 250,
  29             e_uint = 250, e_long = 250, e_ulong = 250, e_ulonglong = 250}
  30           no_cpuaff = {e_void = 0x0, e_str = 0x0, e_int = 0, e_uint = 0, e_long = 0, e_ulong = 0, e_ulonglong = 0}
  31           env_unit_id = {e_void = 0xffffffffffffffff,
  32             e_str = 0xffffffffffffffff <error: Cannot access memory at address 0xffffffffffffffff>, e_int = -1,
  33             e_uint = 4294967295, e_long = -1, e_ulong = 18446744073709551615, e_ulonglong = 18446744073709551615}
  34           env_port_id = {e_void = 0x0, e_str = 0x0, e_int = 0, e_uint = 0, e_long = 0, e_ulong = 0, e_ulonglong = 0}
  35           env_sl = {e_void = 0x0, e_str = 0x0, e_int = 0, e_uint = 0, e_long = 0, e_ulong = 0, e_ulonglong = 0}
  36           ptl_sizes = <optimized out>
  37           default_cpuaff = <optimized out>
  38           opts = {timeout = 180000000000, unit = -1, affinity = 0, shm_mbytes = 10, sendbufs_num = 1024,
  39             network_pkey = 65535, port = 0, outsl = 0, service_id = 1152940698815692800,
  40             path_res_type = PSM_PATH_RES_NONE, senddesc_num = 4096, imm_size = 128}
  41           amsh_ptl = 0x1fc6e48
  42           ips_ptl = 0x1fc6f88
  43           self_ptl = 0x1fc99c8
  44           i = 3
  45
  46 It looks like ptl.c:24 is writing past the region that was malloc'd.
  47
  48 Turning stats off solves the problem.
  49
  50 diff --git a/psm_utils.c b/psm_utils.c
  51 index c8651fe..5514921 100644
  52 --- a/psm_utils.c
  53 +++ b/psm_utils.c
  54 @@ -1058,7 +1058,7 @@ psmi_log_memstats(psmi_memtype_t type, int64_t nbytes)
  55      return;
  56  }
  57
  58 -#define psmi_stats_mask PSMI_STATSTYPE_MEMORY
  59 +#define psmi_stats_mask 0
  60
  61  #ifdef malloc
  62  #undef malloc