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| author | Samuel Thibault <samuel.thibault@ens-lyon.org> | 2025-01-11 12:25:15 +0100 |
|---|---|---|
| committer | Samuel Thibault <samuel.thibault@ens-lyon.org> | 2025-01-11 12:25:43 +0100 |
| commit | bf24996d891966454b3395ab965b87c033b21d7d (patch) | |
| tree | 76fd5567a23fb0b3b3db6f1841a926fed4a6b867 /libdiskfs/boot-start.c | |
| parent | d580a97c6c8a1e1419cc7c21f6dd9d1d12b79f92 (diff) | |
| download | hurd-bf24996d891966454b3395ab965b87c033b21d7d.tar.gz hurd-bf24996d891966454b3395ab965b87c033b21d7d.tar.bz2 hurd-bf24996d891966454b3395ab965b87c033b21d7d.zip | |
libdiskfs: catch mmap failure
Just backtrace for now
Diffstat (limited to 'libdiskfs/boot-start.c')
| -rw-r--r-- | libdiskfs/boot-start.c | 15 |
1 files changed, 11 insertions, 4 deletions
diff --git a/libdiskfs/boot-start.c b/libdiskfs/boot-start.c index 19967ef3..be47e1b8 100644 --- a/libdiskfs/boot-start.c +++ b/libdiskfs/boot-start.c @@ -374,14 +374,20 @@ diskfs_S_exec_startup_get_info (struct bootinfo *upt, *flags = EXEC_STACK_ARGS; if (*portarraylen < INIT_PORT_MAX) - *portarrayP = mmap (0, INIT_PORT_MAX * sizeof (mach_port_t), - PROT_READ|PROT_WRITE, MAP_ANON, 0, 0); + { + *portarrayP = mmap (0, INIT_PORT_MAX * sizeof (mach_port_t), + PROT_READ|PROT_WRITE, MAP_ANON, 0, 0); + assert_backtrace (*portarrayP != MAP_FAILED); + } portarray = *portarrayP; *portarraylen = INIT_PORT_MAX; if (*dtablelen < 3) - *dtableP = mmap (0, 3 * sizeof (mach_port_t), PROT_READ|PROT_WRITE, - MAP_ANON, 0, 0); + { + *dtableP = mmap (0, 3 * sizeof (mach_port_t), PROT_READ|PROT_WRITE, + MAP_ANON, 0, 0); + assert_backtrace (*dtableP != MAP_FAILED); + } dtable = *dtableP; *dtablelen = 3; dtable[0] = dtable[1] = dtable[2] = get_console (); /* XXX */ @@ -627,6 +633,7 @@ diskfs_S_fsys_init (struct diskfs_control *pt, unsigned int i; portarray = mmap (0, INIT_PORT_MAX * sizeof *portarray, PROT_READ|PROT_WRITE, MAP_ANON, 0, 0); + assert_backtrace (portarray != MAP_FAILED); if (MACH_PORT_NULL != (mach_port_t) 0) for (i = 0; i < INIT_PORT_MAX; ++i) portarray[i] = MACH_PORT_NULL; |