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SUSE:SLE-12-SP1:GA
php74.21747
php74-CVE-2021-21703.patch
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File php74-CVE-2021-21703.patch of Package php74.21747
diff --git a/sapi/fpm/fpm/fpm_children.c b/sapi/fpm/fpm/fpm_children.c index fd121372f37c..912f77c11aa7 100644 --- a/sapi/fpm/fpm/fpm_children.c +++ b/sapi/fpm/fpm/fpm_children.c @@ -246,7 +246,7 @@ void fpm_children_bury() /* {{{ */ fpm_child_unlink(child); - fpm_scoreboard_proc_free(wp->scoreboard, child->scoreboard_i); + fpm_scoreboard_proc_free(child); fpm_clock_get(&tv1); @@ -256,9 +256,9 @@ void fpm_children_bury() /* {{{ */ if (!fpm_pctl_can_spawn_children()) { severity = ZLOG_DEBUG; } - zlog(severity, "[pool %s] child %d exited %s after %ld.%06d seconds from start", child->wp->config->name, (int) pid, buf, tv2.tv_sec, (int) tv2.tv_usec); + zlog(severity, "[pool %s] child %d exited %s after %ld.%06d seconds from start", wp->config->name, (int) pid, buf, tv2.tv_sec, (int) tv2.tv_usec); } else { - zlog(ZLOG_DEBUG, "[pool %s] child %d has been killed by the process management after %ld.%06d seconds from start", child->wp->config->name, (int) pid, tv2.tv_sec, (int) tv2.tv_usec); + zlog(ZLOG_DEBUG, "[pool %s] child %d has been killed by the process management after %ld.%06d seconds from start", wp->config->name, (int) pid, tv2.tv_sec, (int) tv2.tv_usec); } fpm_child_close(child, 1 /* in event_loop */); @@ -324,7 +324,7 @@ static struct fpm_child_s *fpm_resources_prepare(struct fpm_worker_pool_s *wp) / return 0; } - if (0 > fpm_scoreboard_proc_alloc(wp->scoreboard, &c->scoreboard_i)) { + if (0 > fpm_scoreboard_proc_alloc(c)) { fpm_stdio_discard_pipes(c); fpm_child_free(c); return 0; @@ -336,7 +336,7 @@ static struct fpm_child_s *fpm_resources_prepare(struct fpm_worker_pool_s *wp) / static void fpm_resources_discard(struct fpm_child_s *child) /* {{{ */ { - fpm_scoreboard_proc_free(child->wp->scoreboard, child->scoreboard_i); + fpm_scoreboard_proc_free(child); fpm_stdio_discard_pipes(child); fpm_child_free(child); } @@ -349,10 +349,10 @@ static void fpm_child_resources_use(struct fpm_child_s *child) /* {{{ */ if (wp == child->wp) { continue; } - fpm_scoreboard_free(wp->scoreboard); + fpm_scoreboard_free(wp); } - fpm_scoreboard_child_use(child->wp->scoreboard, child->scoreboard_i, getpid()); + fpm_scoreboard_child_use(child, getpid()); fpm_stdio_child_use_pipes(child); fpm_child_free(child); } diff --git a/sapi/fpm/fpm/fpm_request.c b/sapi/fpm/fpm/fpm_request.c index c80aa144628f..0a6f6a7cfbf0 100644 --- a/sapi/fpm/fpm/fpm_request.c +++ b/sapi/fpm/fpm/fpm_request.c @@ -285,7 +285,7 @@ int fpm_request_is_idle(struct fpm_child_s *child) /* {{{ */ struct fpm_scoreboard_proc_s *proc; /* no need in atomicity here */ - proc = fpm_scoreboard_proc_get(child->wp->scoreboard, child->scoreboard_i); + proc = fpm_scoreboard_proc_get_from_child(child); if (!proc) { return 0; } @@ -300,7 +300,7 @@ int fpm_request_last_activity(struct fpm_child_s *child, struct timeval *tv) /* if (!tv) return -1; - proc = fpm_scoreboard_proc_get(child->wp->scoreboard, child->scoreboard_i); + proc = fpm_scoreboard_proc_get_from_child(child); if (!proc) { return -1; } diff --git a/sapi/fpm/fpm/fpm_scoreboard.c b/sapi/fpm/fpm/fpm_scoreboard.c index 328f999f0c9b..7e9da4d6848a 100644 --- a/sapi/fpm/fpm/fpm_scoreboard.c +++ b/sapi/fpm/fpm/fpm_scoreboard.c @@ -6,6 +6,7 @@ #include <time.h> #include "fpm_config.h" +#include "fpm_children.h" #include "fpm_scoreboard.h" #include "fpm_shm.h" #include "fpm_sockets.h" @@ -23,7 +24,6 @@ static float fpm_scoreboard_tick; int fpm_scoreboard_init_main() /* {{{ */ { struct fpm_worker_pool_s *wp; - unsigned int i; #ifdef HAVE_TIMES #if (defined(HAVE_SYSCONF) && defined(_SC_CLK_TCK)) @@ -40,7 +40,7 @@ int fpm_scoreboard_init_main() /* {{{ */ for (wp = fpm_worker_all_pools; wp; wp = wp->next) { - size_t scoreboard_size, scoreboard_nprocs_size; + size_t scoreboard_procs_size; void *shm_mem; if (wp->config->pm_max_children < 1) { @@ -53,22 +53,15 @@ int fpm_scoreboard_init_main() /* {{{ */ return -1; } - scoreboard_size = sizeof(struct fpm_scoreboard_s) + (wp->config->pm_max_children) * sizeof(struct fpm_scoreboard_proc_s *); - scoreboard_nprocs_size = sizeof(struct fpm_scoreboard_proc_s) * wp->config->pm_max_children; - shm_mem = fpm_shm_alloc(scoreboard_size + scoreboard_nprocs_size); + scoreboard_procs_size = sizeof(struct fpm_scoreboard_proc_s) * wp->config->pm_max_children; + shm_mem = fpm_shm_alloc(sizeof(struct fpm_scoreboard_s) + scoreboard_procs_size); if (!shm_mem) { return -1; } - wp->scoreboard = shm_mem; + wp->scoreboard = shm_mem; + wp->scoreboard->pm = wp->config->pm; wp->scoreboard->nprocs = wp->config->pm_max_children; - shm_mem += scoreboard_size; - - for (i = 0; i < wp->scoreboard->nprocs; i++, shm_mem += sizeof(struct fpm_scoreboard_proc_s)) { - wp->scoreboard->procs[i] = shm_mem; - } - - wp->scoreboard->pm = wp->config->pm; wp->scoreboard->start_epoch = time(NULL); strlcpy(wp->scoreboard->pool, wp->config->name, sizeof(wp->scoreboard->pool)); } @@ -162,28 +155,48 @@ struct fpm_scoreboard_s *fpm_scoreboard_get() /* {{{*/ } /* }}} */ -struct fpm_scoreboard_proc_s *fpm_scoreboard_proc_get(struct fpm_scoreboard_s *scoreboard, int child_index) /* {{{*/ +static inline struct fpm_scoreboard_proc_s *fpm_scoreboard_proc_get_ex( + struct fpm_scoreboard_s *scoreboard, int child_index, unsigned int nprocs) /* {{{*/ { if (!scoreboard) { - scoreboard = fpm_scoreboard; + return NULL; } - if (!scoreboard) { + if (child_index < 0 || (unsigned int)child_index >= nprocs) { return NULL; } + return &scoreboard->procs[child_index]; +} +/* }}} */ + +struct fpm_scoreboard_proc_s *fpm_scoreboard_proc_get( + struct fpm_scoreboard_s *scoreboard, int child_index) /* {{{*/ +{ + if (!scoreboard) { + scoreboard = fpm_scoreboard; + } + if (child_index < 0) { child_index = fpm_scoreboard_i; } - if (child_index < 0 || (unsigned int)child_index >= scoreboard->nprocs) { - return NULL; - } + return fpm_scoreboard_proc_get_ex(scoreboard, child_index, scoreboard->nprocs); +} +/* }}} */ - return scoreboard->procs[child_index]; +struct fpm_scoreboard_proc_s *fpm_scoreboard_proc_get_from_child(struct fpm_child_s *child) /* {{{*/ +{ + struct fpm_worker_pool_s *wp = child->wp; + unsigned int nprocs = wp->config->pm_max_children; + struct fpm_scoreboard_s *scoreboard = wp->scoreboard; + int child_index = child->scoreboard_i; + + return fpm_scoreboard_proc_get_ex(scoreboard, child_index, nprocs); } /* }}} */ + struct fpm_scoreboard_s *fpm_scoreboard_acquire(struct fpm_scoreboard_s *scoreboard, int nohang) /* {{{ */ { struct fpm_scoreboard_s *s; @@ -234,28 +247,28 @@ void fpm_scoreboard_proc_release(struct fpm_scoreboard_proc_s *proc) /* {{{ */ proc->lock = 0; } -void fpm_scoreboard_free(struct fpm_scoreboard_s *scoreboard) /* {{{ */ +void fpm_scoreboard_free(struct fpm_worker_pool_s *wp) /* {{{ */ { - size_t scoreboard_size, scoreboard_nprocs_size; + size_t scoreboard_procs_size; + struct fpm_scoreboard_s *scoreboard = wp->scoreboard; if (!scoreboard) { zlog(ZLOG_ERROR, "**scoreboard is NULL"); return; } - scoreboard_size = sizeof(struct fpm_scoreboard_s) + (scoreboard->nprocs) * sizeof(struct fpm_scoreboard_proc_s *); - scoreboard_nprocs_size = sizeof(struct fpm_scoreboard_proc_s) * scoreboard->nprocs; + scoreboard_procs_size = sizeof(struct fpm_scoreboard_proc_s) * wp->config->pm_max_children; - fpm_shm_free(scoreboard, scoreboard_size + scoreboard_nprocs_size); + fpm_shm_free(scoreboard, sizeof(struct fpm_scoreboard_s) + scoreboard_procs_size); } /* }}} */ -void fpm_scoreboard_child_use(struct fpm_scoreboard_s *scoreboard, int child_index, pid_t pid) /* {{{ */ +void fpm_scoreboard_child_use(struct fpm_child_s *child, pid_t pid) /* {{{ */ { struct fpm_scoreboard_proc_s *proc; - fpm_scoreboard = scoreboard; - fpm_scoreboard_i = child_index; - proc = fpm_scoreboard_proc_get(scoreboard, child_index); + fpm_scoreboard = child->wp->scoreboard; + fpm_scoreboard_i = child->scoreboard_i; + proc = fpm_scoreboard_proc_get_from_child(child); if (!proc) { return; } @@ -264,18 +277,22 @@ void fpm_scoreboard_child_use(struct fpm_scoreboard_s *scoreboard, int child_ind } /* }}} */ -void fpm_scoreboard_proc_free(struct fpm_scoreboard_s *scoreboard, int child_index) /* {{{ */ +void fpm_scoreboard_proc_free(struct fpm_child_s *child) /* {{{ */ { + struct fpm_worker_pool_s *wp = child->wp; + struct fpm_scoreboard_s *scoreboard = wp->scoreboard; + int child_index = child->scoreboard_i; + if (!scoreboard) { return; } - if (child_index < 0 || (unsigned int)child_index >= scoreboard->nprocs) { + if (child_index < 0 || child_index >= wp->config->pm_max_children) { return; } - if (scoreboard->procs[child_index] && scoreboard->procs[child_index]->used > 0) { - memset(scoreboard->procs[child_index], 0, sizeof(struct fpm_scoreboard_proc_s)); + if (scoreboard->procs[child_index].used > 0) { + memset(&scoreboard->procs[child_index], 0, sizeof(struct fpm_scoreboard_proc_s)); } /* set this slot as free to avoid search on next alloc */ @@ -283,41 +300,44 @@ void fpm_scoreboard_proc_free(struct fpm_scoreboard_s *scoreboard, int child_ind } /* }}} */ -int fpm_scoreboard_proc_alloc(struct fpm_scoreboard_s *scoreboard, int *child_index) /* {{{ */ +int fpm_scoreboard_proc_alloc(struct fpm_child_s *child) /* {{{ */ { int i = -1; + struct fpm_worker_pool_s *wp = child->wp; + struct fpm_scoreboard_s *scoreboard = wp->scoreboard; + int nprocs = wp->config->pm_max_children; - if (!scoreboard || !child_index) { + if (!scoreboard) { return -1; } /* first try the slot which is supposed to be free */ - if (scoreboard->free_proc >= 0 && (unsigned int)scoreboard->free_proc < scoreboard->nprocs) { - if (scoreboard->procs[scoreboard->free_proc] && !scoreboard->procs[scoreboard->free_proc]->used) { + if (scoreboard->free_proc >= 0 && scoreboard->free_proc < nprocs) { + if (!scoreboard->procs[scoreboard->free_proc].used) { i = scoreboard->free_proc; } } if (i < 0) { /* the supposed free slot is not, let's search for a free slot */ zlog(ZLOG_DEBUG, "[pool %s] the proc->free_slot was not free. Let's search", scoreboard->pool); - for (i = 0; i < (int)scoreboard->nprocs; i++) { - if (scoreboard->procs[i] && !scoreboard->procs[i]->used) { /* found */ + for (i = 0; i < nprocs; i++) { + if (!scoreboard->procs[i].used) { /* found */ break; } } } /* no free slot */ - if (i < 0 || i >= (int)scoreboard->nprocs) { + if (i < 0 || i >= nprocs) { zlog(ZLOG_ERROR, "[pool %s] no free scoreboard slot", scoreboard->pool); return -1; } - scoreboard->procs[i]->used = 1; - *child_index = i; + scoreboard->procs[i].used = 1; + child->scoreboard_i = i; /* supposed next slot is free */ - if (i + 1 >= (int)scoreboard->nprocs) { + if (i + 1 >= nprocs) { scoreboard->free_proc = 0; } else { scoreboard->free_proc = i + 1; diff --git a/sapi/fpm/fpm/fpm_scoreboard.h b/sapi/fpm/fpm/fpm_scoreboard.h index 1fecde1d0feb..9d5981e1c739 100644 --- a/sapi/fpm/fpm/fpm_scoreboard.h +++ b/sapi/fpm/fpm/fpm_scoreboard.h @@ -63,7 +63,7 @@ struct fpm_scoreboard_s { unsigned int nprocs; int free_proc; unsigned long int slow_rq; - struct fpm_scoreboard_proc_s *procs[]; + struct fpm_scoreboard_proc_s procs[]; }; int fpm_scoreboard_init_main(); @@ -72,18 +72,19 @@ int fpm_scoreboard_init_child(struct fpm_worker_pool_s *wp); void fpm_scoreboard_update(int idle, int active, int lq, int lq_len, int requests, int max_children_reached, int slow_rq, int action, struct fpm_scoreboard_s *scoreboard); struct fpm_scoreboard_s *fpm_scoreboard_get(); struct fpm_scoreboard_proc_s *fpm_scoreboard_proc_get(struct fpm_scoreboard_s *scoreboard, int child_index); +struct fpm_scoreboard_proc_s *fpm_scoreboard_proc_get_from_child(struct fpm_child_s *child); struct fpm_scoreboard_s *fpm_scoreboard_acquire(struct fpm_scoreboard_s *scoreboard, int nohang); void fpm_scoreboard_release(struct fpm_scoreboard_s *scoreboard); struct fpm_scoreboard_proc_s *fpm_scoreboard_proc_acquire(struct fpm_scoreboard_s *scoreboard, int child_index, int nohang); void fpm_scoreboard_proc_release(struct fpm_scoreboard_proc_s *proc); -void fpm_scoreboard_free(struct fpm_scoreboard_s *scoreboard); +void fpm_scoreboard_free(struct fpm_worker_pool_s *wp); -void fpm_scoreboard_child_use(struct fpm_scoreboard_s *scoreboard, int child_index, pid_t pid); +void fpm_scoreboard_child_use(struct fpm_child_s *child, pid_t pid); -void fpm_scoreboard_proc_free(struct fpm_scoreboard_s *scoreboard, int child_index); -int fpm_scoreboard_proc_alloc(struct fpm_scoreboard_s *scoreboard, int *child_index); +void fpm_scoreboard_proc_free(struct fpm_child_s *child); +int fpm_scoreboard_proc_alloc(struct fpm_child_s *child); #ifdef HAVE_TIMES float fpm_scoreboard_get_tick(); diff --git a/sapi/fpm/fpm/fpm_status.c b/sapi/fpm/fpm/fpm_status.c index 36d224063583..de8db9d61a25 100644 --- a/sapi/fpm/fpm/fpm_status.c +++ b/sapi/fpm/fpm/fpm_status.c @@ -498,10 +498,10 @@ int fpm_status_handle_request(void) /* {{{ */ first = 1; for (i=0; i<scoreboard_p->nprocs; i++) { - if (!scoreboard_p->procs[i] || !scoreboard_p->procs[i]->used) { + if (!scoreboard_p->procs[i].used) { continue; } - proc = *scoreboard_p->procs[i]; + proc = scoreboard_p->procs[i]; if (first) { first = 0; diff --git a/sapi/fpm/fpm/fpm_worker_pool.c b/sapi/fpm/fpm/fpm_worker_pool.c index d04528f4e0d0..65a9b226b1ae 100644 --- a/sapi/fpm/fpm/fpm_worker_pool.c +++ b/sapi/fpm/fpm/fpm_worker_pool.c @@ -54,7 +54,7 @@ static void fpm_worker_pool_cleanup(int which, void *arg) /* {{{ */ fpm_worker_pool_config_free(wp->config); fpm_children_free(wp->children); if ((which & FPM_CLEANUP_CHILD) == 0 && fpm_globals.parent_pid == getpid()) { - fpm_scoreboard_free(wp->scoreboard); + fpm_scoreboard_free(wp); } fpm_worker_pool_free(wp); }
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