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clear message structure before filling it in

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This change clears the message structure before filling it in. This prevents uninitialized stack data from vfs leaking to a file system driver.
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Ilja van Sprundel 2019-10-11 22:36:14 +02:00 committed by GitHub
parent d51e668f60
commit a8d533d2c9
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1 changed files with 1 additions and 0 deletions
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minix/servers/vfs/request.c
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@ -1202,6 +1202,7 @@ int req_utime(endpoint_t fs_e, ino_t inode_nr, struct timespec * actimespec,
assert(actimespec != NULL); assert(actimespec != NULL);
assert(modtimespec != NULL); assert(modtimespec != NULL);
memset(&m, 0, sizeof(m));
/* Fill in request message */ /* Fill in request message */
m.m_type = REQ_UTIME; m.m_type = REQ_UTIME;
m.m_vfs_fs_utime.inode = inode_nr; m.m_vfs_fs_utime.inode = inode_nr;