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Message-ID: <202512151210.z9u1Ypu5-lkp@intel.com>
Date: Mon, 15 Dec 2025 12:44:07 +0800
From: kernel test robot <lkp@...el.com>
To: Prithvi Tambewagh <activprithvi@...il.com>,
syzbot+c818e5c4559444f88aa0@...kaller.appspotmail.com,
jlbec@...lplan.org, joseph.qi@...ux.alibaba.com, mark@...heh.com,
heming.zhao@...e.com
Cc: oe-kbuild-all@...ts.linux.dev, linux-kernel@...r.kernel.org,
ocfs2-devel@...ts.linux.dev, syzkaller-bugs@...glegroups.com,
Prithvi Tambewagh <activprithvi@...il.com>
Subject: Re: Syzbot test for v3: ocfs2: fix kernel BUG in ocfs2_write_block
Hi Prithvi,
kernel test robot noticed the following build errors:
[auto build test ERROR on 24172e0d79900908cf5ebf366600616d29c9b417]
url: https://github.com/intel-lab-lkp/linux/commits/Prithvi-Tambewagh/Syzbot-test-for-v3-ocfs2-fix-kernel-BUG-in-ocfs2_write_block/20251215-032310
base: 24172e0d79900908cf5ebf366600616d29c9b417
patch link: https://lore.kernel.org/r/20251214192047.34811-1-activprithvi%40gmail.com
patch subject: Syzbot test for v3: ocfs2: fix kernel BUG in ocfs2_write_block
config: arc-randconfig-002-20251215 (https://download.01.org/0day-ci/archive/20251215/202512151210.z9u1Ypu5-lkp@intel.com/config)
compiler: arc-linux-gcc (GCC) 12.5.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251215/202512151210.z9u1Ypu5-lkp@intel.com/reproduce)
If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202512151210.z9u1Ypu5-lkp@intel.com/
All error/warnings (new ones prefixed by >>):
fs/ocfs2/slot_map.c: In function 'ocfs2_validate_slot_map_block':
>> fs/ocfs2/slot_map.c:52:1: error: expected '=', ',', ';', 'asm' or '__attribute__' before '{' token
52 | {
| ^
fs/ocfs2/slot_map.c:59:1: error: expected '=', ',', ';', 'asm' or '__attribute__' before '{' token
59 | {
| ^
fs/ocfs2/slot_map.c:68:1: error: expected '=', ',', ';', 'asm' or '__attribute__' before '{' token
68 | {
| ^
fs/ocfs2/slot_map.c:93:1: error: expected '=', ',', ';', 'asm' or '__attribute__' before '{' token
93 | {
| ^
fs/ocfs2/slot_map.c:108:1: error: expected '=', ',', ';', 'asm' or '__attribute__' before '{' token
108 | {
| ^
fs/ocfs2/slot_map.c:120:1: error: expected '=', ',', ';', 'asm' or '__attribute__' before '{' token
120 | {
| ^
fs/ocfs2/slot_map.c:154:1: error: expected '=', ',', ';', 'asm' or '__attribute__' before '{' token
154 | {
| ^
fs/ocfs2/slot_map.c:172:1: error: expected '=', ',', ';', 'asm' or '__attribute__' before '{' token
172 | {
| ^
fs/ocfs2/slot_map.c:190:1: error: expected '=', ',', ';', 'asm' or '__attribute__' before '{' token
190 | {
| ^
fs/ocfs2/slot_map.c:215:1: error: expected '=', ',', ';', 'asm' or '__attribute__' before '{' token
215 | {
| ^
fs/ocfs2/slot_map.c:239:1: error: expected '=', ',', ';', 'asm' or '__attribute__' before '{' token
239 | {
| ^
fs/ocfs2/slot_map.c:255:1: error: expected '=', ',', ';', 'asm' or '__attribute__' before '{' token
255 | {
| ^
fs/ocfs2/slot_map.c:276:1: error: expected '=', ',', ';', 'asm' or '__attribute__' before '{' token
276 | {
| ^
fs/ocfs2/slot_map.c:289:1: error: expected '=', ',', ';', 'asm' or '__attribute__' before '{' token
289 | {
| ^
fs/ocfs2/slot_map.c:305:1: error: expected '=', ',', ';', 'asm' or '__attribute__' before '{' token
305 | {
| ^
fs/ocfs2/slot_map.c:326:1: error: expected '=', ',', ';', 'asm' or '__attribute__' before '{' token
326 | {
| ^
fs/ocfs2/slot_map.c:341:1: error: expected '=', ',', ';', 'asm' or '__attribute__' before '{' token
341 | {
| ^
fs/ocfs2/slot_map.c:361:1: error: expected '=', ',', ';', 'asm' or '__attribute__' before '{' token
361 | {
| ^
fs/ocfs2/slot_map.c:425:1: error: expected '=', ',', ';', 'asm' or '__attribute__' before '{' token
425 | {
| ^
fs/ocfs2/slot_map.c:464:1: error: expected '=', ',', ';', 'asm' or '__attribute__' before '{' token
464 | {
| ^
fs/ocfs2/slot_map.c:472:1: error: expected '=', ',', ';', 'asm' or '__attribute__' before '{' token
472 | {
| ^
fs/ocfs2/slot_map.c:525:1: error: expected '=', ',', ';', 'asm' or '__attribute__' before '{' token
525 | {
| ^
>> fs/ocfs2/slot_map.c:546: error: expected '{' at end of input
>> fs/ocfs2/slot_map.c:545:1: warning: no return statement in function returning non-void [-Wreturn-type]
545 | }
| ^
fs/ocfs2/slot_map.c: At top level:
>> fs/ocfs2/slot_map.c:44:12: warning: '__ocfs2_node_num_to_slot' declared 'static' but never defined [-Wunused-function]
44 | static int __ocfs2_node_num_to_slot(struct ocfs2_slot_info *si,
| ^~~~~~~~~~~~~~~~~~~~~~~~
>> fs/ocfs2/slot_map.c:47:12: warning: 'ocfs2_validate_slot_map_block' defined but not used [-Wunused-function]
47 | static int ocfs2_validate_slot_map_block(struct super_block *sb,
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
vim +52 fs/ocfs2/slot_map.c
d85b20e4b300ed Joel Becker 2008-02-01 42
d85b20e4b300ed Joel Becker 2008-02-01 43
fc881fa0d59596 Joel Becker 2008-02-01 @44 static int __ocfs2_node_num_to_slot(struct ocfs2_slot_info *si,
fc881fa0d59596 Joel Becker 2008-02-01 45 unsigned int node_num);
fc881fa0d59596 Joel Becker 2008-02-01 46
39ad33650c4c83 Prithvi Tambewagh 2025-12-15 @47 static int ocfs2_validate_slot_map_block(struct super_block *sb,
39ad33650c4c83 Prithvi Tambewagh 2025-12-15 48 struct buffer_head *bh)
39ad33650c4c83 Prithvi Tambewagh 2025-12-15 49
fc881fa0d59596 Joel Becker 2008-02-01 50 static void ocfs2_invalidate_slot(struct ocfs2_slot_info *si,
fc881fa0d59596 Joel Becker 2008-02-01 51 int slot_num)
fc881fa0d59596 Joel Becker 2008-02-01 @52 {
fc881fa0d59596 Joel Becker 2008-02-01 53 BUG_ON((slot_num < 0) || (slot_num >= si->si_num_slots));
fc881fa0d59596 Joel Becker 2008-02-01 54 si->si_slots[slot_num].sl_valid = 0;
fc881fa0d59596 Joel Becker 2008-02-01 55 }
fc881fa0d59596 Joel Becker 2008-02-01 56
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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