Bug #12172
genunix: variable may be used uninitialized
Start date:
Due date:
% Done:
90%
Estimated time:
Difficulty:
Medium
Tags:
Description
Build errors with gcc 9. Collected issues from intel/genunix tree:
../../common/vm/seg_spt.c: In function 'segspt_create':
../../common/vm/seg_spt.c:727:4: error: 'ppa' may be used uninitialized in this function [-Werror=maybe-uninitialized]
727 | page_unlock(ppa[i]);
| ^~~~~~~~~~~~~~~~~~~
../../common/vm/seg_spt.c: In function 'segspt_free_pages':
../../common/vm/seg_spt.c:868:5: error: 'rootpp' may be used uninitialized in this function [-Werror=maybe-uninitialized]
868 | page_destroy_pages(rootpp);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~
../../common/vm/seg_spt.c:896:3: error: 'sp' may be used uninitialized in this function [-Werror=maybe-uninitialized]
896 | mutex_exit(&sp->shm_mlock);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~
../../common/vm/seg_spt.c:895:4: error: 'proj' may be used uninitialized in this function [-Werror=maybe-uninitialized]
895 | rctl_decr_locked_mem(NULL, proj, unlocked_bytes, 0);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from ../../common/sys/cpuvar.h:47,
from ../../common/sys/vtrace.h:42,
from ../../common/vm/seg_kp.c:60:
../../common/vm/seg_kp.c: In function 'segkp_get_internal':
../../common/sys/bitmap.h:86:23: error: 'segkpindex' may be used uninitialized in this function [-Werror=maybe-uninitialized]
86 | ((bitmap)[(bitindex) >> BT_ULSHIFT])
| ^~
../../common/vm/seg_kp.c:394:10: note: 'segkpindex' was declared here
394 | pgcnt_t segkpindex;
| ^~~~~~~~~~
In file included from ../../common/sys/cpuvar.h:47,
from ../../common/sys/vtrace.h:42,
from ../../common/vm/seg_kp.c:60:
../../common/vm/seg_kp.c: In function 'segkp_release_internal':
../../common/sys/bitmap.h:86:23: error: 'segkpindex' may be used uninitialized in this function [-Werror=maybe-uninitialized]
86 | ((bitmap)[(bitindex) >> BT_ULSHIFT])
| ^~
../../common/vm/seg_kp.c:648:11: note: 'segkpindex' was declared here
648 | pgcnt_t segkpindex;
| ^~~~~~~~~~
../../common/vm/vm_usage.c: In function 'vmu_calculate_seg':
../../common/vm/vm_usage.c:1239:29: error: 's_start' may be used uninitialized in this function [-Werror=maybe-uninitialized]
1239 | cur->vmb_end = s_index + p_bound_size;
| ~~~~~~~~^~~~~~~~~~~~~~
../../common/vm/vm_usage.c:1099:37: error: 'p_end' may be used uninitialized in this function [-Werror=maybe-uninitialized]
1099 | pgcnt_t p_index, s_index, p_start, p_end, s_start, s_end, rss, virt;
| ^~~~~
../../common/os/waitq.c: In function 'waitq_link':
../../common/os/waitq.c:145:22: error: 'last_tp' may be used uninitialized in this function [-Werror=maybe-uninitialized]
145 | last_tp->t_priforw = t;
| ~~~~~~~~~~~~~~~~~~~^~~
../../common/os/modsysfile.c: In function 'append':
../../common/os/modsysfile.c:3150:17: error: 'last' may be used uninitialized in this function [-Werror=maybe-uninitialized]
3150 | last->hwc_next = spec;
| ~~~~~~~~~~~~~~~^~~~~~
../../common/os/modctl.c: In function 'modctl_modinfo':
../../common/os/modctl.c:449:6: error: 'nobase' may be used uninitialized in this function [-Werror=maybe-uninitialized]
449 | if (!nobase && (uintptr_t)modi.mi_base > UINT32_MAX)
| ^
../../common/os/modctl.c: In function 'modctl_update_driver_aliases':
../../common/os/modctl.c:688:3: error: 'aliases' may be used uninitialized in this function [-Werror=maybe-uninitialized]
688 | kmem_free(aliases, mc.num_aliases * sizeof (struct alias_info));
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../../common/os/modctl.c: In function 'modloadonly':
../../common/os/modctl.c:2790:6: error: 'id' may be used uninitialized in this function [-Werror=maybe-uninitialized]
2790 | int id, retval;
| ^~
../../common/os/zone.c: In function 'zone_list':
../../common/os/zone.c:6389:3: error: 'zoneids' may be used uninitialized in this function [-Werror=maybe-uninitialized]
6389 | kmem_free(zoneids, real_nzones * sizeof (zoneid_t));
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../../common/syscall/sendfile.c -mcmodel=kernel
../../common/syscall/sendfile.c: In function 'sendvec_chunk':
../../common/syscall/sendfile.c:933:47: error: 'stp' may be used uninitialized in this function [-Werror=maybe-uninitialized]
933 | copyflag = stp != NULL ? stp->sd_copyflag :
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^
934 | so->so_proto_props.sopp_zcopyflag;
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../../common/syscall/sendfile.c:788:12: error: 'so' may be used uninitialized in this function [-Werror=maybe-uninitialized]
788 | if (so->so_filter_active > 0 &&
| ~~^~~~~~~~~~~~~~~~~~
../../common/syscall/sendfile.c:808:22: error: 'wroff' may be used uninitialized in this function [-Werror=maybe-uninitialized]
808 | dmp->b_rptr + wroff;
| ~~~~~~~~~~~~^~~~~~~
In file included from ../../common/syscall/sendfile.c:34:
../../common/sys/sysmacros.h:57:36: error: 'maxblk' may be used uninitialized in this function [-Werror=maybe-uninitialized]
57 | #define MIN(a, b) ((a) < (b) ? (a) : (b))
| ^
../../common/syscall/sendfile.c:706:6: note: 'maxblk' was declared here
706 | int maxblk, wroff, tail_len;
| ^~~~~~
../../common/syscall/sendfile.c:804:12: error: 'extra' may be used uninitialized in this function [-Werror=maybe-uninitialized]
804 | dmp = allocb(iov_len + extra, BPRI_HI);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from ../../common/syscall/sendfile.c:56:
../../common/syscall/sendfile.c: In function 'sendfilev':
../../common/fs/sockfs/socktpi.h:273:43: error: 'so' may be used uninitialized in this function [-Werror=maybe-uninitialized]
273 | #define _SOTOTPI(so) ((sotpi_info_t *)(so)->so_priv)
| ^~
../../common/syscall/sendfile.c:1140:17: note: 'so' was declared here
1140 | struct sonode *so;
| ^~
In file included from ../../common/vm/vm_as.c:51:
../../common/vm/vm_as.c: In function 'as_map_segvn_segs':
../../common/sys/sysmacros.h:246:35: error: 'pgsz' may be used uninitialized in this function [-Werror=maybe-uninitialized]
246 | #define P2ALIGN(x, align) ((x) & -(align))
| ^
../../common/vm/vm_as.c:1441:9: note: 'pgsz' was declared here
1441 | size_t pgsz;
| ^~~~
../../common/vm/vm_as.c: In function 'as_map_ansegs':
../../common/vm/vm_as.c:1645:10: error: 'type' may be used uninitialized in this function [-Werror=maybe-uninitialized]
1645 | uchar_t type;
| ^~~~
../../common/vm/vm_as.c: In function 'as_ctl':
../../common/vm/vm_as.c:2538:3: error: 'mlock_map' may be used uninitialized in this function [-Werror=maybe-uninitialized]
2538 | kmem_free(mlock_map, mlock_size * sizeof (ulong_t));
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../../common/vm/vm_as.c:2538:3: error: 'mlock_size' may be used uninitialized in this function [-Werror=maybe-uninitialized]
../../common/os/sleepq.c: In function 'sleepq_insert':
../../common/os/sleepq.c:159:22: error: 'last_tp' may be used uninitialized in this function [-Werror=maybe-uninitialized]
159 | last_tp->t_priforw = t;
| ~~~~~~~~~~~~~~~~~~~^~~
../../common/fs/vnode.c: In function 'vn_vfslocks_rele':
../../common/fs/vnode.c:2104:20: error: 'pvep' may be used uninitialized in this function [-Werror=maybe-uninitialized]
2104 | pvep->ve_next = vep->ve_next;
| ~~~~~~~~~~~~~~^~~~~~~~~~~~~~
../../common/os/taskq.c: In function 'taskq_d_thread':
../../common/os/taskq.c:1799:33: error: 'w' may be used uninitialized in this function [-Werror=maybe-uninitialized]
1799 | if ((tqe->tqent_func == NULL) &&
| ~~~~~~~~~~~~~~~~~~~~~~~~~~^~
1800 | ((w == -1) || (bucket->tqbucket_flags & TQBUCKET_CLOSE))) {
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../../common/os/timer.c: In function 'timer_fire':
../../common/os/timer.c:459:4: error: 'p' may be used uninitialized in this function [-Werror=maybe-uninitialized]
459 | sigaddqa(p, NULL, it->it_sigq);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../../common/os/sunndi.c: In function 'i_ddi_fault_logger':
../../common/os/sunndi.c:2374:2: error: 'still' may be used uninitialized in this function [-Werror=maybe-uninitialized]
2374 | cmn_err(level, "!%s%d: %s %s device; service %s%s"+(bad|changed),
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
2375 | ddi_driver_name(fedp->f_dip), ddi_get_instance(fedp->f_dip),
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
2376 | bad ? "invalid report of fault" : action,
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
2377 | location, still ? "still " : "", servstate);
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../../common/os/sunddi.c: In function 'ddi_prop_search_common':
../../common/os/sunddi.c:1373:4: error: 'buffer' may be used uninitialized in this function [-Werror=maybe-uninitialized]
1373 | bcopy(propp->prop_val, buffer, propp->prop_len);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../../common/os/sunddi.c: In function 'impl_ddi_bus_prop_op':
../../common/os/sunddi.c:4379:3: error: 'buffer' may be used uninitialized in this function [-Werror=maybe-uninitialized]
4379 | (void) impl_fix_props(dip, ch_dip, name, len, buffer);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../../common/os/vmem.c: In function 'vmem_xalloc':
../../common/os/vmem.c:1188:4: error: 'xsize' may be used uninitialized in this function [-Werror=maybe-uninitialized]
1188 | vmp->vm_source_free(vmp->vm_source, xvaddr, xsize);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../../common/os/vmem.c:945:12: error: 'addr' may be used uninitialized in this function [-Werror=maybe-uninitialized]
945 | uintptr_t addr, taddr, start, end;
| ^~~~
../../common/fs/vfs.c: In function 'domount':
../../common/fs/vfs.c:1652:19: error: 'ovflags' may be used uninitialized in this function [-Werror=maybe-uninitialized]
1652 | vfsp->vfs_flag = ovflags;
| ~~~~~~~~~~~~~~~^~~~~~~~~
In file included from ../../common/sys/t_lock.h:38,
from ../../common/vm/seg_dev.c:48:
../../common/vm/seg_dev.c: In function 'ddi_segmap_setup':
../../common/sys/param.h:447:34: error: 'pfn' may be used uninitialized in this function [-Werror=maybe-uninitialized]
447 | #define ptob(x) (((pgcnt_t)(x)) << PAGESHIFT)
| ^~
../../common/vm/seg_dev.c:2407:8: note: 'pfn' was declared here
2407 | pfn_t pfn;
| ^~~
../../common/vm/seg_dev.c: In function 'devmap_roundup':
../../common/vm/seg_dev.c:2711:10: error: 'poff' may be used uninitialized in this function [-Werror=maybe-uninitialized]
2711 | ulong_t poff;
| ^~~~
../../common/vm/seg_dev.c:2753:22: error: 'pg' may be used uninitialized in this function [-Werror=maybe-uninitialized]
2753 | rlen = len + offset - (poff - base + pg);
| ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~
../../common/os/sunpci.c: In function 'pci_post_suspend':
../../common/os/sunpci.c:1145:4: error: 'pmcsr' may be used uninitialized in this function [-Werror=maybe-uninitialized]
1145 | pci_config_put16(hdl, p->ppc_cap_offset + PCI_PMCSR,
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
1146 | pmcsr);
| ~~~~~~
../../common/os/sunpm.c: In function 'pm_free_kept':
../../common/os/sunpm.c:2014:23: error: 'paths' may be used uninitialized in this function [-Werror=maybe-uninitialized]
2014 | dp->pdr_kept_paths = paths;
| ~~~~~~~~~~~~~~~~~~~^~~~~~~
../../common/os/sunpm.c: In function 'pm_parsenum':
../../common/os/sunpm.c:3970:16: error: 'offset' may be used uninitialized in this function [-Werror=maybe-uninitialized]
3970 | value += *np - offset;
| ~~~~^~~~~~~~
../../common/os/sunpm.c: In function 'pm_process_dep_request':
../../common/os/sunpm.c:6514:17: error: 'ret' may be used uninitialized in this function [-Werror=maybe-uninitialized]
6514 | work->pdw_ret = ret;
| ~~~~~~~~~~~~~~^~~~~
../../common/vm/seg_vn.c: In function 'segvn_softunlock':
../../common/vm/seg_vn.c:2596:14: error: 'anon_index' may be used uninitialized in this function [-Werror=maybe-uninitialized]
2596 | if ((ap = anon_get_ptr(amp->ahp, anon_index++))
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../../common/vm/seg_vn.c: In function 'segvn_faultpage':
../../common/vm/seg_vn.c:3018:12: error: 'anon_index' may be used uninitialized in this function [-Werror=maybe-uninitialized]
3018 | if ((ap = anon_get_ptr(amp->ahp, anon_index)) == NULL)
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../../common/vm/seg_vn.c: In function 'segvn_fault_vnodepages':
../../common/vm/seg_vn.c:4532:6: error: 'ierr' may be used uninitialized in this function [-Werror=maybe-uninitialized]
4532 | if (ierr == -2) {
| ^
../../common/vm/seg_vn.c:4192:5: error: 'prot' may be used uninitialized in this function [-Werror=maybe-uninitialized]
4192 | hat_memload_array(hat, a, pgsz, ppa, prot,
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
4193 | hat_flag);
| ~~~~~~~~~
../../common/vm/seg_vn.c: In function 'segvn_fault_anonpages':
../../common/vm/seg_vn.c:4849:13: error: 'ierr' may be used uninitialized in this function [-Werror=maybe-uninitialized]
4849 | } else if (ierr == -2) {
| ^
../../common/vm/seg_vn.c:4774:4: error: 'prot' may be used uninitialized in this function [-Werror=maybe-uninitialized]
4774 | hat_memload_array(hat, a, pgsz, ppa,
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
4775 | prot & vpprot, hat_flag);
| ~~~~~~~~~~~~~~~~~~~~~~~~
../../common/vm/seg_vn.c:4715:15: error: 'protchk' may be used uninitialized in this function [-Werror=maybe-uninitialized]
4715 | if ((prot & protchk) == 0) {
| ~~~~~~^~~~~~~~~~
../../common/vm/seg_vn.c: In function 'segvn_fault':
../../common/vm/seg_vn.c:5584:12: error: 'prot' may be used uninitialized in this function [-Werror=maybe-uninitialized]
5584 | prot &= ~PROT_WRITE;
../../common/vm/seg_vn.c:5239:11: error: 'fanon_index' may be used uninitialized in this function [-Werror=maybe-uninitialized]
5239 | ulong_t fanon_index;
| ^~~~~~~~~~~
../../common/vm/seg_vn.c:5238:17: error: 'vpp' may be used uninitialized in this function [-Werror=maybe-uninitialized]
5238 | struct vpage *vpp;
| ^~~
../../common/vm/seg_vn.c:5367:17: error: 'anon_index' may be used uninitialized in this function [-Werror=maybe-uninitialized]
5367 | dogetpage = non_anon(amp->ahp, anon_index,
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
5368 | &vp_off, &vp_len);
| ~~~~~~~~~~~~~~~~~
../../common/vm/seg_vn.c: In function 'segvn_setprot':
../../common/vm/seg_vn.c:5680:10: error: 'pgcnt' may be used uninitialized in this function [-Werror=maybe-uninitialized]
5680 | pgcnt_t pgcnt;
| ^~~~~
../../common/vm/seg_vn.c:5867:6: error: 'evp' may be used uninitialized in this function [-Werror=maybe-uninitialized]
5867 | for (cvp = svp; cvp < evp; cvp++) {
| ^~~
../../common/vm/seg_vn.c:5867:6: error: 'svp' may be used uninitialized in this function [-Werror=maybe-uninitialized]
../../common/vm/seg_vn.c: In function 'segvn_sync':
../../common/vm/seg_vn.c:7384:7: error: 'pageprot' may be used uninitialized in this function [-Werror=maybe-uninitialized]
7384 | if (prot != pageprot) {
| ^
../../common/vm/seg_vn.c:7361:9: error: 'anon_index' may be used uninitialized in this function [-Werror=maybe-uninitialized]
7361 | ap = anon_get_ptr(amp->ahp, anon_index++);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../../common/vm/seg_vn.c: In function 'segvn_lockop':
../../common/vm/seg_vn.c:7647:10: error: 'anon_index' may be used uninitialized in this function [-Werror=maybe-uninitialized]
7647 | ulong_t anon_index;
| ^~~~~~~~~~
../../common/vm/seg_vn.c:7810:18: error: 'pageprot' may be used uninitialized in this function [-Werror=maybe-uninitialized]
7810 | if ((attr == 0 || VPP_PROT(vpp) == pageprot) &&
| ~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../../common/vm/seg_vn.c: In function 'segvn_advise':
../../common/vm/seg_vn.c:8501:13: error: 'new_svd' may be used uninitialized in this function [-Werror=maybe-uninitialized]
8501 | (void) lgrp_privm_policy_set(policy,
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
8502 | &new_svd->policy_info,
| ~~~~~~~~~~~~~~~~~~~~~~
8503 | new_seg->s_size);
| ~~~~~~~~~~~~~~~~
../../common/vm/seg_vn.c: In function 'segvn_dump':
../../common/vm/seg_vn.c:8729:20: error: 'anon_index' may be used uninitialized in this function [-Werror=maybe-uninitialized]
8729 | if (amp && (ap = anon_get_ptr(svd->amp->ahp, anon_index++))) {
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../../common/vm/seg_vn.c: In function 'segvn_pagelock':
../../common/vm/seg_vn.c:9401:11: error: 'wlen' may be used uninitialized in this function [-Werror=maybe-uninitialized]
9401 | (void) seg_pinsert(seg, pamp, paddr, len, wlen, pl,
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
9402 | rw, pflags, preclaim_callback);
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../../common/vm/seg_vn.c: In function 'segvn_getmemid':
../../common/vm/seg_vn.c:9624:9: error: 'anon_index' may be used uninitialized in this function [-Werror=maybe-uninitialized]
9624 | ap = anon_get_ptr(amp->ahp, anon_index);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../../common/contract/process.c: In function 'ctmpl_process_set':
../../common/contract/process.c:204:12: error: 'param_value' may be used uninitialized in this function [-Werror=maybe-uninitialized]
204 | (((value) & ~((ctp)->ctp_ev_fatal | SAFE_EV)) || \
| ^
../../common/contract/process.c:232:11: note: 'param_value' was declared here
232 | uint64_t param_value;
| ^~~~~~~~~~~
../../common/os/sunmdi.c: In function 'mdi_pi_free':
../../common/os/sunmdi.c:3280:5: error: 'rv' may be used uninitialized in this function [-Werror=maybe-uninitialized]
3280 | if (rv == MDI_FAILURE)
| ^
../../common/os/sunmdi.c: In function 'i_mdi_pi_offline':
../../common/os/sunmdi.c:3918:5: error: 'rv' may be used uninitialized in this function [-Werror=maybe-uninitialized]
3918 | if (rv == MDI_SUCCESS) {
| ^
../../common/os/sunmdi.c: In function 'i_mdi_pi_online':
../../common/os/sunmdi.c:4006:5: error: 'rv' may be used uninitialized in this function [-Werror=maybe-uninitialized]
4006 | if (rv == MDI_SUCCESS) {
| ^
../../common/os/sunmdi.c: In function 'i_mdi_enable_disable_path':
../../common/os/sunmdi.c:6332:35: error: 'rv' may be used uninitialized in this function [-Werror=maybe-uninitialized]
6332 | if (op == MDI_DISABLE_OP && rv == MDI_SUCCESS) {
../../common/syscall/psecflags.c: In function 'psecdo':
../../common/syscall/psecflags.c:79:2: error: 'set' may be used uninitialized in this function [-Werror=maybe-uninitialized]
79 | secflags_apply_delta(set, args->delta);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../../common/os/streamio.c: In function 'strgetmsg':
../../common/os/streamio.c:7035:11: error: 'flg' may be used uninitialized in this function [-Werror=maybe-uninitialized]
7035 | if (flg & MSG_HIPRI) {
../../common/os/streamio.c: In function 'kstrgetmsg':
../../common/os/streamio.c:7708:11: error: 'flg' may be used uninitialized in this function [-Werror=maybe-uninitialized]
7708 | if (flg & MSG_HIPRI) {
../../common/os/ndifm.c: In function 'ndi_fmc_insert':
../../common/os/ndifm.c:269:7: error: 'fpp' may be used uninitialized in this function [-Werror=maybe-uninitialized]
269 | *fpp = fep;
| ~~~~~^~~~~
../../common/os/ndifm.c:274:16: error: 'fcp' may be used uninitialized in this function [-Werror=maybe-uninitialized]
274 | fcp->fc_head = fep;
| ~~~~~~~~~~~~~^~~~~
../../common/os/log_sysevent.c: In function 'log_sysevent_register':
../../common/os/log_sysevent.c:1418:3: error: 'chan' may be used uninitialized in this function [-Werror=maybe-uninitialized]
1418 | remove_class(chan, kdata.ps_id, databuf);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../../common/vm/hat_refmod.c: In function 'hat_setstat':
../../common/vm/hat_refmod.c:195:16: error: 'nb' may be used uninitialized in this function [-Werror=maybe-uninitialized]
195 | hrm->hrm_id = nb;
| ~~~~~~~~~~~~^~~~
../../common/fs/fem.c: In function 'remove_node':
../../common/fs/fem.c:3149:8: error: 'fn' may be used uninitialized in this function [-Werror=maybe-uninitialized]
3149 | if (fn->fn_av_rele)
| ~~^~~~~~~~~~~~
../../common/syscall/acl.c: In function 'cacl':
../../common/syscall/acl.c:357:5: error: 'dfaclbsize' may be used uninitialized
in this function [-Werror=maybe-uninitialized]
357 | if (dfaclbsize && vsecattr.vsa_dfaclentp)
| ^
../../common/os/contract.c: In function 'ctmpl_set':
../../common/os/contract.c:1570:40: error: 'param_value' may be used uninitializ
ed in this function [-Werror=maybe-uninitialized]
1570 | } else if ((~template->ctmpl_ev_crit & param_value) == 0) {
| ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~
../../common/os/contract.c: In function 'ctmpl_get':
../../common/os/contract.c:1635:16: error: 'param_value' may be used uninitializ
ed in this function [-Werror=maybe-uninitialized]
1635 | *param_value = template->ctmpl_ev_crit;
| ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
In file included from ../../../common/devid/devid.c:37:
../../../common/devid/devid.c: In function 'devid_str_decode_id':
../../../common/devid/devid_impl.h:55:26: error: 'devid_len' may be used uniniti
alized in this function [-Werror=maybe-uninitialized]
55 | #define DEVID_FREE(x, n) kmem_free(x, n)
| ^~~~~~~~~
../../../common/devid/devid.c:324:13: note: 'devid_len' was declared here
324 | int slen, devid_len, ascii, i, n, c, pre_alloc = FALSE;
| ^~~~~~~~~
../../common/os/devid_cache.c: In function 'e_devid_cache_path_to_devid':
../../common/os/devid_cache.c:1152:7: error: 'ualen' may be used uninitialized i
n this function [-Werror=maybe-uninitialized]
1152 | strncmp(ua, uasep + 1, ualen) != 0)
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../../common/os/devid_cache.c:1135:29: error: 'pathlen' may be used uninitialize
d in this function [-Werror=maybe-uninitialized]
1135 | strchr(cand + pathlen + 1, '/') != NULL)
| ^
../../common/os/devcfg.c: In function 'i_ddi_alloc_node':
../../common/os/devcfg.c:365:21: error: 'elem' may be used uninitialized in this function [-Werror=maybe-uninitialized]
365 | devimap->dno_free = elem;
| ~~~~~~~~~~~~~~~~~~^~~~~~
../../common/os/devcfg.c: In function 'find_sibling':
../../common/os/devcfg.c:2252:32: error: 'buf' may be used uninitialized in this function [-Werror=maybe-uninitialized]
2252 | if ((callback == NULL) || (callback(
| ^~~~~~~~~
2253 | dip, buf, MAXNAMELEN) != DDI_SUCCESS))
| ~~~~~~~~~~~~~~~~~~~~~
../../common/os/flock.c: In function 'flk_wait_execute_request':
../../common/os/flock.c:1445:25: error: 'index' may be used uninitialized in this function [-Werror=maybe-uninitialized]
1445 | if (fg->lockmgr_status[index] != FLK_LOCKMGR_UP &&
| ~~~~~~~~~~~~~~~~~~^~~~~~~
../../common/os/flock.c:1445:25: error: 'fg' may be used uninitialized in this function [-Werror=maybe-uninitialized]
In file included from ../../common/os/fork.c:80:
../../common/os/fork.c: In function 'cfork':
../../common/sys/brand.h:149:32: error: 'clone' may be used uninitialized in this function [-Werror=maybe-uninitialized]
149 | #define BROP(p) ((p)->p_brand->b_ops)
| ^~
../../common/os/fork.c:158:10: note: 'clone' was declared here
158 | klwp_t *clone;
| ^~~~~
../../common/contract/device.c: In function 'ctmpl_device_set':
../../common/contract/device.c:541:6: error: 'param_value' may be used uninitialized in this function [-Werror=maybe-uninitialized]
541 | if (param_value == CTDP_NONEG_SET &&
| ^
../../common/contract/device.c: In function 'contract_device_negotiate':
../../common/contract/device.c:2041:6: error: 'result' may be used uninitialized in this function [-Werror=maybe-uninitialized]
2041 | int result;
| ^~~~~~
../../common/os/kmem.c: In function 'kmem_cache_create':
../../common/os/kmem.c:3890:32: error: 'bestfit' may be used uninitialized in this function [-Werror=maybe-uninitialized]
3890 | cp->cache_maxcolor = bestfit % chunksize;
| ~~~~~~~~^~~~~~~~~~~
../../common/fs/lookup.c: In function 'dirfindvp':
../../common/fs/lookup.c:906:15: error: 'dp' may be used uninitialized in this function [-Werror=maybe-uninitialized]
906 | dp->d_off = 2;
| ~~~~~~~~~~^~~
../../common/syscall/memcntl.c: In function 'memcntl':
../../common/syscall/memcntl.c:341:21: error: 'oszc' may be used uninitialized in this function [-Werror=maybe-uninitialized]
341 | p->p_stkpageszc = oszc;
| ~~~~~~~~~~~~~~~~^~~~~~
../../common/syscall/lwpsys.c: In function 'lwp_wait':
../../common/syscall/lwpsys.c:178:12: error: 'target_lep' may be used uninitialized in this function [-Werror=maybe-uninitialized]
178 | lwpent_t *target_lep;
| ^~~~~~~~~~
../../common/syscall/lgrpsys.c: In function 'lgrp_affinity_set':
../../common/syscall/lgrpsys.c:712:8: error: 'retval' may be used uninitialized in this function [-Werror=maybe-uninitialized]
712 | int retval;
| ^~~~~~
../../common/os/devpolicy.c: In function 'devpolicy_load':
../../common/os/devpolicy.c:525:13: error: 'newpolicy' may be used uninitialized in this function [-Werror=maybe-uninitialized]
525 | newpolicy[j].t_major = curmaj = items[i].dps_maj;
| ^
../../common/os/devpolicy.c:475:52: error: 'lastwild' may be used uninitialized in this function [-Werror=maybe-uninitialized]
475 | } else if (lastmajor > curmaj || lastwild > wild ||
476 | lastwild && lastlen < len) {
| ~~~~~~~~
../../common/os/devpolicy.c:476:27: error: 'lastlen' may be used uninitialized in this function [-Werror=maybe-uninitialized]
476 | lastwild && lastlen < len) {
| ~~~~~~~~^~~~~
../../common/os/devpolicy.c:475:24: error: 'lastmajor' may be used uninitialized in this function [-Werror=maybe-uninitialized]
475 | } else if (lastmajor > curmaj || lastwild > wild ||
| ~~~~~~~~~~^~~~~~~~
../../common/os/pcifm.c: In function 'pci_fm_ereport_post':
../../common/os/pcifm.c:1200:3: error: 'eqep' may be used uninitialized in this function [-Werror=maybe-uninitialized]
1200 | errorq_commit(ereport_errorq, eqep, ERRORQ_SYNC);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../../common/os/pid.c: In function 'pid_allocate':
../../common/os/pid.c:211:26: error: 'pep' may be used uninitialized in this function [-Werror=maybe-uninitialized]
211 | pidp->pid_prslot = pep - procdir;
| ^
../../common/os/pool.c: In function 'pool_do_bind':
../../common/os/pool.c:1716:3: error: 'zone' may be used uninitialized in this function [-Werror=maybe-uninitialized]
1716 | zone_rele(zone);
| ^~~~~~~~~~~~~~~
../../common/os/pool.c:1706:3: error: 'kpj' may be used uninitialized in this function [-Werror=maybe-uninitialized]
1706 | mutex_exit(&kpj->kpj_poolbind);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from ../../common/sys/atomic.h:41,
from ../../common/sys/bitmap.h:140,
from ../../common/sys/cpuvar.h:47,
from ../../common/sys/cyclic.h:37,
from ../../common/sys/dtrace.h:57,
from ../../common/os/dtrace_subr.c:28:
../../common/os/dtrace_subr.c: In function 'dtrace_vtime_enable':
../../intel/asm/atomic.h:173:2: error: 'nstate' may be used uninitialized in thi
s function [-Werror=maybe-uninitialized]
173 | __asm__ __volatile__( \
| ^~~~~~~
../../common/os/dtrace_subr.c:187:30: note: 'nstate' was declared here
187 | dtrace_vtime_state_t state, nstate;
| ^~~~~~
In file included from ../../common/sys/atomic.h:41,
from ../../common/sys/bitmap.h:140,
from ../../common/sys/cpuvar.h:47,
from ../../common/sys/cyclic.h:37,
from ../../common/sys/dtrace.h:57,
from ../../common/os/dtrace_subr.c:28:
../../common/os/dtrace_subr.c: In function 'dtrace_vtime_disable':
../../intel/asm/atomic.h:173:2: error: 'nstate' may be used uninitialized in thi
s function [-Werror=maybe-uninitialized]
173 | __asm__ __volatile__( \
| ^~~~~~~
../../common/os/dtrace_subr.c:214:30: note: 'nstate' was declared here
214 | dtrace_vtime_state_t state, nstate;
| ^~~~~~
In file included from ../../common/sys/atomic.h:41,
from ../../common/sys/bitmap.h:140,
from ../../common/sys/cpuvar.h:47,
from ../../common/sys/cyclic.h:37,
from ../../common/sys/dtrace.h:57,
from ../../common/os/dtrace_subr.c:28:
../../common/os/dtrace_subr.c: In function 'dtrace_vtime_enable_tnf':
../../intel/asm/atomic.h:173:2: error: 'nstate' may be used uninitialized in this function [-Werror=maybe-uninitialized]
173 | __asm__ __volatile__( \
| ^~~~~~~
../../common/os/dtrace_subr.c:241:30: note: 'nstate' was declared here
241 | dtrace_vtime_state_t state, nstate;
| ^~~~~~
In file included from ../../common/sys/atomic.h:41,
from ../../common/sys/bitmap.h:140,
from ../../common/sys/cpuvar.h:47,
from ../../common/sys/cyclic.h:37,
from ../../common/sys/dtrace.h:57,
from ../../common/os/dtrace_subr.c:28:
../../common/os/dtrace_subr.c: In function 'dtrace_vtime_disable_tnf':
../../intel/asm/atomic.h:173:2: error: 'nstate' may be used uninitialized in this function [-Werror=maybe-uninitialized]
173 | __asm__ __volatile__( \
| ^~~~~~~
../../common/os/dtrace_subr.c:268:30: note: 'nstate' was declared here
268 | dtrace_vtime_state_t state, nstate;
| ^~~~~~
../../common/os/errorq.c: In function 'errorq_drain':
../../common/os/errorq.c:684:25: error: 'dep' may be used uninitialized in this function [-Werror=maybe-uninitialized]
684 | dep = dep->eqe_dump = eep;
| ~~~~~~~~~~~~~~^~~~~
../../common/os/errorq.c: In function 'errorq_panic_drain':
../../common/os/errorq.c:816:26: error: 'dep' may be used uninitialized in this function [-Werror=maybe-uninitialized]
816 | dep = dep->eqe_dump = eep;
| ~~~~~~~~~~~~~~^~~~~
../../common/os/evchannels.c: In function 'evch_chrdevent_init':
../../common/os/evchannels.c:1687:29: error: 'psqstat' may be used uninitialized in this function [-Werror=maybe-uninitialized]
1687 | if (sdp != NULL && psqstat == 0)
| ~~~~~~~~^~~~
../../common/os/exacct.c: In function 'exacct_assemble_task_usage':
../../common/os/exacct.c:666:16: error: 'record_type' may be used uninitialized in this function [-Werror=maybe-uninitialized]
666 | task_record = exacct_assemble_task_record(tk, tu, mask, record_type);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../../common/os/exacct.c: In function 'exacct_assemble_proc_usage':
../../common/os/exacct.c:1050:16: error: 'record_type' may be used uninitialized in this function [-Werror=maybe-uninitialized]
1050 | proc_record = exacct_assemble_proc_record(pu, mask, record_type);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../../common/os/exacct.c: In function 'exacct_assemble_net_usage':
../../common/os/exacct.c:1377:13: error: 'record_type' may be used uninitialized in this function [-Werror=maybe-uninitialized]
1377 | net_desc = exacct_assemble_net_record(ninfo, mask, record_type, what);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
cc1: all warnings being treated as errors