* [peterz-queue:x86/wip.ibt 2/15] fs/eventpoll.c:1303:26: warning: The right operand of '>' is a garbage value due to array index out of bounds [clang-analyzer-core.UndefinedBinaryOperatorResult]
@ 2022-01-17 6:33 kernel test robot
0 siblings, 0 replies; only message in thread
From: kernel test robot @ 2022-01-17 6:33 UTC (permalink / raw)
To: kbuild
[-- Attachment #1: Type: text/plain, Size: 25393 bytes --]
CC: llvm(a)lists.linux.dev
CC: kbuild-all(a)lists.01.org
CC: linux-kernel(a)vger.kernel.org
TO: Peter Zijlstra <peterz@infradead.org>
tree: https://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git x86/wip.ibt
head: 7b31f08c5f3fb5f3cfd75deb24787569f35315d5
commit: f348a305ec94fcc9a5ac3aefb53dbf2269f26e18 [2/15] x86: Annotate _THIS_IP_
:::::: branch date: 3 days ago
:::::: commit date: 3 days ago
config: x86_64-randconfig-c007 (https://download.01.org/0day-ci/archive/20220117/202201171415.W4YAFAWN-lkp(a)intel.com/config)
compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project c63a3175c2947e8c1a2d3bbe16a8586600705c54)
reproduce (this is a W=1 build):
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# https://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git/commit/?id=f348a305ec94fcc9a5ac3aefb53dbf2269f26e18
git remote add peterz-queue https://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git
git fetch --no-tags peterz-queue x86/wip.ibt
git checkout f348a305ec94fcc9a5ac3aefb53dbf2269f26e18
# save the config file to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=x86_64 clang-analyzer
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>
clang-analyzer warnings: (new ones prefixed by >>)
^
include/linux/build_bug.h:50:2: note: expanded from macro 'BUILD_BUG_ON'
BUILD_BUG_ON_MSG(condition, "BUILD_BUG_ON failed: " #condition)
^
include/linux/build_bug.h:39:37: note: expanded from macro 'BUILD_BUG_ON_MSG'
#define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg)
^
include/linux/compiler_types.h:335:2: note: expanded from macro 'compiletime_assert'
_compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
^
include/linux/compiler_types.h:323:2: note: expanded from macro '_compiletime_assert'
__compiletime_assert(condition, msg, prefix, suffix)
^
include/linux/compiler_types.h:307:2: note: expanded from macro '__compiletime_assert'
do { \
^
ipc/sem.c:741:13: note: Taking false branch
int idx = array_index_nospec(sop->sem_num, sma->sem_nsems);
^
include/linux/nospec.h:58:2: note: expanded from macro 'array_index_nospec'
BUILD_BUG_ON(sizeof(_s) > sizeof(long)); \
^
include/linux/build_bug.h:50:2: note: expanded from macro 'BUILD_BUG_ON'
BUILD_BUG_ON_MSG(condition, "BUILD_BUG_ON failed: " #condition)
^
include/linux/build_bug.h:39:37: note: expanded from macro 'BUILD_BUG_ON_MSG'
#define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg)
^
include/linux/compiler_types.h:335:2: note: expanded from macro 'compiletime_assert'
_compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
^
include/linux/compiler_types.h:323:2: note: expanded from macro '_compiletime_assert'
__compiletime_assert(condition, msg, prefix, suffix)
^
include/linux/compiler_types.h:315:3: note: expanded from macro '__compiletime_assert'
if (!(condition)) \
^
ipc/sem.c:741:13: note: Loop condition is false. Exiting loop
int idx = array_index_nospec(sop->sem_num, sma->sem_nsems);
^
include/linux/nospec.h:58:2: note: expanded from macro 'array_index_nospec'
BUILD_BUG_ON(sizeof(_s) > sizeof(long)); \
^
include/linux/build_bug.h:50:2: note: expanded from macro 'BUILD_BUG_ON'
BUILD_BUG_ON_MSG(condition, "BUILD_BUG_ON failed: " #condition)
^
include/linux/build_bug.h:39:37: note: expanded from macro 'BUILD_BUG_ON_MSG'
#define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg)
^
include/linux/compiler_types.h:335:2: note: expanded from macro 'compiletime_assert'
_compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
^
include/linux/compiler_types.h:323:2: note: expanded from macro '_compiletime_assert'
__compiletime_assert(condition, msg, prefix, suffix)
^
include/linux/compiler_types.h:307:2: note: expanded from macro '__compiletime_assert'
do { \
^
ipc/sem.c:747:7: note: Assuming 'sem_op' is not equal to 0
if (!sem_op && result)
^~~~~~~
ipc/sem.c:747:15: note: Left side of '&&' is false
if (!sem_op && result)
^
ipc/sem.c:751:7: note: Assuming 'result' is >= 0
if (result < 0)
^~~~~~~~~~
ipc/sem.c:751:3: note: Taking false branch
if (result < 0)
^
ipc/sem.c:754:7: note: Assuming 'result' is <= SEMVMX
if (result > SEMVMX)
^~~~~~~~~~~~~~~
ipc/sem.c:754:3: note: Taking false branch
if (result > SEMVMX)
^
ipc/sem.c:757:7: note: Assuming the condition is true
if (sop->sem_flg & SEM_UNDO) {
^~~~~~~~~~~~~~~~~~~~~~~
ipc/sem.c:757:3: note: Taking true branch
if (sop->sem_flg & SEM_UNDO) {
^
ipc/sem.c:758:15: note: Access to field 'semadj' results in a dereference of a null pointer (loaded from variable 'un')
int undo = un->semadj[sop->sem_num] - sem_op;
^~
ipc/sem.c:769:3: warning: Value stored to 'result' is never read [clang-analyzer-deadcode.DeadStores]
result = curr->semval;
^ ~~~~~~~~~~~~
ipc/sem.c:769:3: note: Value stored to 'result' is never read
result = curr->semval;
^ ~~~~~~~~~~~~
ipc/sem.c:1433:2: warning: Value stored to 'err' is never read [clang-analyzer-deadcode.DeadStores]
err = -EACCES;
^ ~~~~~~~
ipc/sem.c:1433:2: note: Value stored to 'err' is never read
err = -EACCES;
^ ~~~~~~~
Suppressed 5 warnings (5 in non-user code).
Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well.
10 warnings generated.
>> fs/eventpoll.c:1303:26: warning: The right operand of '>' is a garbage value due to array index out of bounds [clang-analyzer-core.UndefinedBinaryOperatorResult]
if (++path_count[nests] > path_limits[nests])
^
fs/eventpoll.c:1321:6: note: Assuming 'depth' is <= EP_MAX_NESTS
if (depth > EP_MAX_NESTS) /* too deep nesting */
^~~~~~~~~~~~~~~~~~~~
fs/eventpoll.c:1321:2: note: Taking false branch
if (depth > EP_MAX_NESTS) /* too deep nesting */
^
fs/eventpoll.c:1325:2: note: Left side of '||' is false
hlist_for_each_entry_rcu(epi, refs, fllink) {
^
include/linux/rculist.h:706:30: note: expanded from macro 'hlist_for_each_entry_rcu'
pos = hlist_entry_safe(rcu_dereference_raw(hlist_first_rcu(head)),\
^
include/linux/rcupdate.h:404:25: note: expanded from macro 'rcu_dereference_raw'
typeof(p) ________p1 = READ_ONCE(p); \
^
include/asm-generic/rwonce.h:49:2: note: expanded from macro 'READ_ONCE'
compiletime_assert_rwonce_type(x); \
^
include/asm-generic/rwonce.h:36:21: note: expanded from macro 'compiletime_assert_rwonce_type'
compiletime_assert(__native_word(t) || sizeof(t) == sizeof(long long), \
^
include/linux/compiler_types.h:302:3: note: expanded from macro '__native_word'
(sizeof(t) == sizeof(char) || sizeof(t) == sizeof(short) || \
^
fs/eventpoll.c:1325:2: note: Left side of '||' is false
hlist_for_each_entry_rcu(epi, refs, fllink) {
^
include/linux/rculist.h:706:30: note: expanded from macro 'hlist_for_each_entry_rcu'
pos = hlist_entry_safe(rcu_dereference_raw(hlist_first_rcu(head)),\
^
include/linux/rcupdate.h:404:25: note: expanded from macro 'rcu_dereference_raw'
typeof(p) ________p1 = READ_ONCE(p); \
^
include/asm-generic/rwonce.h:49:2: note: expanded from macro 'READ_ONCE'
compiletime_assert_rwonce_type(x); \
^
include/asm-generic/rwonce.h:36:21: note: expanded from macro 'compiletime_assert_rwonce_type'
compiletime_assert(__native_word(t) || sizeof(t) == sizeof(long long), \
^
include/linux/compiler_types.h:302:3: note: expanded from macro '__native_word'
(sizeof(t) == sizeof(char) || sizeof(t) == sizeof(short) || \
^
fs/eventpoll.c:1325:2: note: Left side of '||' is false
hlist_for_each_entry_rcu(epi, refs, fllink) {
^
include/linux/rculist.h:706:30: note: expanded from macro 'hlist_for_each_entry_rcu'
pos = hlist_entry_safe(rcu_dereference_raw(hlist_first_rcu(head)),\
^
include/linux/rcupdate.h:404:25: note: expanded from macro 'rcu_dereference_raw'
typeof(p) ________p1 = READ_ONCE(p); \
^
include/asm-generic/rwonce.h:49:2: note: expanded from macro 'READ_ONCE'
compiletime_assert_rwonce_type(x); \
^
include/asm-generic/rwonce.h:36:21: note: expanded from macro 'compiletime_assert_rwonce_type'
compiletime_assert(__native_word(t) || sizeof(t) == sizeof(long long), \
^
include/linux/compiler_types.h:302:3: note: expanded from macro '__native_word'
(sizeof(t) == sizeof(char) || sizeof(t) == sizeof(short) || \
^
fs/eventpoll.c:1325:2: note: Left side of '||' is true
hlist_for_each_entry_rcu(epi, refs, fllink) {
^
include/linux/rculist.h:706:30: note: expanded from macro 'hlist_for_each_entry_rcu'
pos = hlist_entry_safe(rcu_dereference_raw(hlist_first_rcu(head)),\
^
include/linux/rcupdate.h:404:25: note: expanded from macro 'rcu_dereference_raw'
typeof(p) ________p1 = READ_ONCE(p); \
^
include/asm-generic/rwonce.h:49:2: note: expanded from macro 'READ_ONCE'
compiletime_assert_rwonce_type(x); \
^
include/asm-generic/rwonce.h:36:38: note: expanded from macro 'compiletime_assert_rwonce_type'
compiletime_assert(__native_word(t) || sizeof(t) == sizeof(long long), \
^
fs/eventpoll.c:1325:2: note: Taking false branch
hlist_for_each_entry_rcu(epi, refs, fllink) {
^
include/linux/rculist.h:706:30: note: expanded from macro 'hlist_for_each_entry_rcu'
pos = hlist_entry_safe(rcu_dereference_raw(hlist_first_rcu(head)),\
^
include/linux/rcupdate.h:404:25: note: expanded from macro 'rcu_dereference_raw'
typeof(p) ________p1 = READ_ONCE(p); \
^
include/asm-generic/rwonce.h:49:2: note: expanded from macro 'READ_ONCE'
compiletime_assert_rwonce_type(x); \
^
note: (skipping 1 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all)
include/linux/compiler_types.h:335:2: note: expanded from macro 'compiletime_assert'
_compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
^
include/linux/compiler_types.h:323:2: note: expanded from macro '_compiletime_assert'
__compiletime_assert(condition, msg, prefix, suffix)
^
include/linux/compiler_types.h:315:3: note: expanded from macro '__compiletime_assert'
if (!(condition)) \
^
fs/eventpoll.c:1325:2: note: Loop condition is false. Exiting loop
--
fs/reiserfs/journal.c:4316:21: note: Use of memory after it is freed
list_for_each_safe(entry, safe, &journal->j_journal_list) {
^
include/linux/list.h:600:31: note: expanded from macro 'list_for_each_safe'
for (pos = (head)->next, n = pos->next; pos != (head); \
^~~~~~~~~
Suppressed 6 warnings (6 in non-user code).
Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well.
5 warnings generated.
Suppressed 5 warnings (5 in non-user code).
Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well.
5 warnings generated.
Suppressed 5 warnings (5 in non-user code).
Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well.
5 warnings generated.
Suppressed 5 warnings (5 in non-user code).
Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well.
5 warnings generated.
Suppressed 5 warnings (5 in non-user code).
Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well.
5 warnings generated.
Suppressed 5 warnings (5 in non-user code).
Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well.
7 warnings generated.
lib/mpi/ec.c:396:2: warning: Value stored to 'cy' is never read [clang-analyzer-deadcode.DeadStores]
cy += mpihelp_add_n(b0, b0, a3, LIMB_SIZE_HALF_448);
^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
lib/mpi/ec.c:396:2: note: Value stored to 'cy' is never read
cy += mpihelp_add_n(b0, b0, a3, LIMB_SIZE_HALF_448);
^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
lib/mpi/ec.c:410:2: warning: Value stored to 'cy' is never read [clang-analyzer-deadcode.DeadStores]
cy += mpihelp_add_n(b1, b1, a3, LIMB_SIZE_HALF_448);
^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
lib/mpi/ec.c:410:2: note: Value stored to 'cy' is never read
cy += mpihelp_add_n(b1, b1, a3, LIMB_SIZE_HALF_448);
^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Suppressed 5 warnings (5 in non-user code).
Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well.
5 warnings generated.
Suppressed 5 warnings (5 in non-user code).
Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well.
5 warnings generated.
Suppressed 5 warnings (5 in non-user code).
Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well.
5 warnings generated.
Suppressed 5 warnings (5 in non-user code).
Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well.
5 warnings generated.
Suppressed 5 warnings (5 in non-user code).
Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well.
5 warnings generated.
Suppressed 5 warnings (5 in non-user code).
Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well.
5 warnings generated.
Suppressed 5 warnings (5 in non-user code).
Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well.
5 warnings generated.
Suppressed 5 warnings (5 in non-user code).
Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well.
9 warnings generated.
Suppressed 9 warnings (9 in non-user code).
Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well.
18 warnings generated.
net/ipv6/route.c:568:6: warning: Access to field 'nh' results in a dereference of a null pointer (loaded from variable 'f6i') [clang-analyzer-core.NullDereference]
if (unlikely(f6i->nh)) {
^
include/linux/compiler.h:78:41: note: expanded from macro 'unlikely'
# define unlikely(x) __builtin_expect(!!(x), 0)
^~
net/ipv6/route.c:527:2: note: 'f6i' initialized here
struct fib6_info *f6i = res->f6i;
^~~~~~~~~~~~~~~~~~~~~
net/ipv6/route.c:531:6: note: Assuming 'oif' is not equal to 0
if (!oif && ipv6_addr_any(saddr)) {
^~~~
net/ipv6/route.c:531:11: note: Left side of '&&' is false
if (!oif && ipv6_addr_any(saddr)) {
^
net/ipv6/route.c:543:20: note: Assuming pointer value is null
for (spf6i = f6i; spf6i; spf6i = rcu_dereference(spf6i->fib6_next)) {
^~~~~
net/ipv6/route.c:543:2: note: Loop condition is false. Execution continues on line 562
for (spf6i = f6i; spf6i; spf6i = rcu_dereference(spf6i->fib6_next)) {
^
net/ipv6/route.c:562:6: note: 'oif' is not equal to 0
if (oif && flags & RT6_LOOKUP_F_IFACE) {
^~~
net/ipv6/route.c:562:6: note: Left side of '&&' is true
net/ipv6/route.c:562:13: note: Assuming the condition is false
if (oif && flags & RT6_LOOKUP_F_IFACE) {
^~~~~~~~~~~~~~~~~~~~~~~~~~
net/ipv6/route.c:562:2: note: Taking false branch
if (oif && flags & RT6_LOOKUP_F_IFACE) {
^
net/ipv6/route.c:568:6: note: Access to field 'nh' results in a dereference of a null pointer (loaded from variable 'f6i')
if (unlikely(f6i->nh)) {
^
include/linux/compiler.h:78:41: note: expanded from macro 'unlikely'
# define unlikely(x) __builtin_expect(!!(x), 0)
^~
>> net/ipv6/route.c:3424:9: warning: Dereference of null pointer (loaded from variable '_dev') [clang-analyzer-core.NullDereference]
*_dev = dev = res.nh->fib_nh_dev;
~~~~ ^
net/ipv6/route.c:3384:27: note: Assuming '_dev' is null
struct net_device *dev = _dev ? *_dev : NULL;
^~~~
net/ipv6/route.c:3384:27: note: '?' condition is false
net/ipv6/route.c:3389:6: note: Assuming field 'fc_table' is 0
if (cfg->fc_table) {
^~~~~~~~~~~~~
net/ipv6/route.c:3389:2: note: Taking false branch
if (cfg->fc_table) {
^
net/ipv6/route.c:3401:6: note: 'err' is < 0
if (err < 0) {
^~~
net/ipv6/route.c:3401:2: note: Taking true branch
if (err < 0) {
^
net/ipv6/route.c:3408:7: note: Assuming 'err' is 0
if (err || res.fib6_flags & RTF_REJECT ||
^~~
net/ipv6/route.c:3408:7: note: Left side of '||' is false
net/ipv6/route.c:3408:14: note: Assuming the condition is false
if (err || res.fib6_flags & RTF_REJECT ||
^~~~~~~~~~~~~~~~~~~~~~~~~~~
net/ipv6/route.c:3408:7: note: Left side of '||' is false
if (err || res.fib6_flags & RTF_REJECT ||
^
net/ipv6/route.c:3409:7: note: Assuming field 'nhc_gw_family' is 0
res.nh->fib_nh_gw_family)
^~~~~~~~~~~~~~~~~~~~~~~~
net/ipv6/route.c:3408:3: note: Taking false branch
if (err || res.fib6_flags & RTF_REJECT ||
^
net/ipv6/route.c:3412:7: note: 'err' is 0
if (err)
^~~
net/ipv6/route.c:3412:3: note: Taking false branch
if (err)
^
net/ipv6/route.c:3416:6: note: Assuming field 'fc_ifindex' is equal to 0
cfg->fc_ifindex != 0, NULL, flags);
^~~~~~~~~~~~~~~~~~~~
net/ipv6/route.c:3420:6: note: 'dev' is null
if (dev) {
^~~
net/ipv6/route.c:3420:2: note: Taking false branch
if (dev) {
^
net/ipv6/route.c:3424:9: note: Dereference of null pointer (loaded from variable '_dev')
*_dev = dev = res.nh->fib_nh_dev;
~~~~ ^
net/ipv6/route.c:3631:24: warning: Access to field 'ifindex' results in a dereference of a null pointer (loaded from variable 'dev') [clang-analyzer-core.NullDereference]
fib6_nh->fib_nh_oif = dev->ifindex;
^
net/ipv6/route.c:3715:6: note: Assuming the condition is false
if (cfg->fc_flags & RTF_PCPU) {
^~~~~~~~~~~~~~~~~~~~~~~~
net/ipv6/route.c:3715:2: note: Taking false branch
if (cfg->fc_flags & RTF_PCPU) {
^
net/ipv6/route.c:3721:6: note: Assuming the condition is false
if (cfg->fc_flags & RTF_CACHE) {
^~~~~~~~~~~~~~~~~~~~~~~~~
net/ipv6/route.c:3721:2: note: Taking false branch
if (cfg->fc_flags & RTF_CACHE) {
^
net/ipv6/route.c:3726:6: note: Assuming the condition is false
if (cfg->fc_type > RTN_MAX) {
^~~~~~~~~~~~~~~~~~~~~~
net/ipv6/route.c:3726:2: note: Taking false branch
if (cfg->fc_type > RTN_MAX) {
^
net/ipv6/route.c:3731:6: note: Assuming field 'fc_dst_len' is <= 128
if (cfg->fc_dst_len > 128) {
^~~~~~~~~~~~~~~~~~~~~
net/ipv6/route.c:3731:2: note: Taking false branch
if (cfg->fc_dst_len > 128) {
^
net/ipv6/route.c:3735:6: note: Assuming field 'fc_src_len' is <= 128
if (cfg->fc_src_len > 128) {
^~~~~~~~~~~~~~~~~~~~~
net/ipv6/route.c:3735:2: note: Taking false branch
if (cfg->fc_src_len > 128) {
^
net/ipv6/route.c:3740:6: note: Assuming field 'fc_src_len' is 0
if (cfg->fc_src_len) {
^~~~~~~~~~~~~~~
net/ipv6/route.c:3740:2: note: Taking false branch
if (cfg->fc_src_len) {
^
net/ipv6/route.c:3746:6: note: Assuming field 'fc_nh_id' is 0
if (cfg->fc_nh_id) {
^~~~~~~~~~~~~
net/ipv6/route.c:3746:2: note: Taking false branch
if (cfg->fc_nh_id) {
^
net/ipv6/route.c:3758:6: note: Assuming field 'nlh' is null
if (cfg->fc_nlinfo.nlh &&
^~~~~~~~~~~~~~~~~~
vim +1303 fs/eventpoll.c
28d82dc1c4edbc Jason Baron 2012-01-12 1296
28d82dc1c4edbc Jason Baron 2012-01-12 1297 static int path_count_inc(int nests)
28d82dc1c4edbc Jason Baron 2012-01-12 1298 {
93dc6107a76dae Jason Baron 2012-03-16 1299 /* Allow an arbitrary number of depth 1 paths */
93dc6107a76dae Jason Baron 2012-03-16 1300 if (nests == 0)
93dc6107a76dae Jason Baron 2012-03-16 1301 return 0;
93dc6107a76dae Jason Baron 2012-03-16 1302
28d82dc1c4edbc Jason Baron 2012-01-12 @1303 if (++path_count[nests] > path_limits[nests])
28d82dc1c4edbc Jason Baron 2012-01-12 1304 return -1;
28d82dc1c4edbc Jason Baron 2012-01-12 1305 return 0;
28d82dc1c4edbc Jason Baron 2012-01-12 1306 }
28d82dc1c4edbc Jason Baron 2012-01-12 1307
:::::: The code at line 1303 was first introduced by commit
:::::: 28d82dc1c4edbc352129f97f4ca22624d1fe61de epoll: limit paths
:::::: TO: Jason Baron <jbaron@redhat.com>
:::::: CC: Linus Torvalds <torvalds@linux-foundation.org>
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org
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2022-01-17 6:33 [peterz-queue:x86/wip.ibt 2/15] fs/eventpoll.c:1303:26: warning: The right operand of '>' is a garbage value due to array index out of bounds [clang-analyzer-core.UndefinedBinaryOperatorResult] kernel test robot
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