Messages in this thread | | | Date | Fri, 29 Sep 2023 14:07:43 +0800 | From | kernel test robot <> | Subject | Re: [PATCH v2 2/3] tty: Serialise racing tiocspgrp() callers |
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Hi Earl,
kernel test robot noticed the following build warnings:
[auto build test WARNING on tty/tty-testing] [also build test WARNING on tty/tty-next tty/tty-linus linus/master v6.6-rc3 next-20230928] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch#_base_tree_information]
url: https://github.com/intel-lab-lkp/linux/commits/Earl-Chew/tty-Fix-__tty_check_change-and-tiocspgrp-race/20230929-010931 base: https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty.git tty-testing patch link: https://lore.kernel.org/r/20230928130658.4045344-3-earl.chew%40yahoo.ca patch subject: [PATCH v2 2/3] tty: Serialise racing tiocspgrp() callers config: i386-randconfig-062-20230929 (https://download.01.org/0day-ci/archive/20230929/202309291311.hbeO1nmm-lkp@intel.com/config) compiler: gcc-11 (Debian 11.3.0-12) 11.3.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20230929/202309291311.hbeO1nmm-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@intel.com> | Closes: https://lore.kernel.org/oe-kbuild-all/202309291311.hbeO1nmm-lkp@intel.com/
sparse warnings: (new ones prefixed by >>) >> drivers/tty/tty_jobctrl.c:83:52: sparse: sparse: Using plain integer as NULL pointer drivers/tty/tty_jobctrl.c:88:45: sparse: sparse: Using plain integer as NULL pointer drivers/tty/tty_jobctrl.c:97:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct spinlock [usertype] *lock @@ got struct spinlock [noderef] __rcu * @@ drivers/tty/tty_jobctrl.c:97:9: sparse: expected struct spinlock [usertype] *lock drivers/tty/tty_jobctrl.c:97:9: sparse: got struct spinlock [noderef] __rcu * drivers/tty/tty_jobctrl.c:100:34: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct spinlock [usertype] *lock @@ got struct spinlock [noderef] __rcu * @@ drivers/tty/tty_jobctrl.c:100:34: sparse: expected struct spinlock [usertype] *lock drivers/tty/tty_jobctrl.c:100:34: sparse: got struct spinlock [noderef] __rcu * drivers/tty/tty_jobctrl.c:141:31: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct spinlock [usertype] *lock @@ got struct spinlock [noderef] __rcu * @@ drivers/tty/tty_jobctrl.c:141:31: sparse: expected struct spinlock [usertype] *lock drivers/tty/tty_jobctrl.c:141:31: sparse: got struct spinlock [noderef] __rcu * drivers/tty/tty_jobctrl.c:143:33: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct spinlock [usertype] *lock @@ got struct spinlock [noderef] __rcu * @@ drivers/tty/tty_jobctrl.c:143:33: sparse: expected struct spinlock [usertype] *lock drivers/tty/tty_jobctrl.c:143:33: sparse: got struct spinlock [noderef] __rcu * drivers/tty/tty_jobctrl.c:152:31: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct spinlock [usertype] *lock @@ got struct spinlock [noderef] __rcu * @@ drivers/tty/tty_jobctrl.c:152:31: sparse: expected struct spinlock [usertype] *lock drivers/tty/tty_jobctrl.c:152:31: sparse: got struct spinlock [noderef] __rcu * drivers/tty/tty_jobctrl.c:173:33: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct spinlock [usertype] *lock @@ got struct spinlock [noderef] __rcu * @@ drivers/tty/tty_jobctrl.c:173:33: sparse: expected struct spinlock [usertype] *lock drivers/tty/tty_jobctrl.c:173:33: sparse: got struct spinlock [noderef] __rcu * drivers/tty/tty_jobctrl.c:182:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct spinlock [usertype] *lock @@ got struct spinlock [noderef] __rcu * @@ drivers/tty/tty_jobctrl.c:182:9: sparse: expected struct spinlock [usertype] *lock drivers/tty/tty_jobctrl.c:182:9: sparse: got struct spinlock [noderef] __rcu * drivers/tty/tty_jobctrl.c:184:40: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct spinlock [usertype] *lock @@ got struct spinlock [noderef] __rcu * @@ drivers/tty/tty_jobctrl.c:184:40: sparse: expected struct spinlock [usertype] *lock drivers/tty/tty_jobctrl.c:184:40: sparse: got struct spinlock [noderef] __rcu * drivers/tty/tty_jobctrl.c:222:41: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct spinlock [usertype] *lock @@ got struct spinlock [noderef] __rcu * @@ drivers/tty/tty_jobctrl.c:222:41: sparse: expected struct spinlock [usertype] *lock drivers/tty/tty_jobctrl.c:222:41: sparse: got struct spinlock [noderef] __rcu * drivers/tty/tty_jobctrl.c:232:51: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct spinlock [usertype] *lock @@ got struct spinlock [noderef] __rcu * @@ drivers/tty/tty_jobctrl.c:232:51: sparse: expected struct spinlock [usertype] *lock drivers/tty/tty_jobctrl.c:232:51: sparse: got struct spinlock [noderef] __rcu * drivers/tty/tty_jobctrl.c:244:43: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct spinlock [usertype] *lock @@ got struct spinlock [noderef] __rcu * @@ drivers/tty/tty_jobctrl.c:244:43: sparse: expected struct spinlock [usertype] *lock drivers/tty/tty_jobctrl.c:244:43: sparse: got struct spinlock [noderef] __rcu * drivers/tty/tty_jobctrl.c:308:39: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct spinlock [usertype] *lock @@ got struct spinlock [noderef] __rcu * @@ drivers/tty/tty_jobctrl.c:308:39: sparse: expected struct spinlock [usertype] *lock drivers/tty/tty_jobctrl.c:308:39: sparse: got struct spinlock [noderef] __rcu * drivers/tty/tty_jobctrl.c:311:41: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct spinlock [usertype] *lock @@ got struct spinlock [noderef] __rcu * @@ drivers/tty/tty_jobctrl.c:311:41: sparse: expected struct spinlock [usertype] *lock drivers/tty/tty_jobctrl.c:311:41: sparse: got struct spinlock [noderef] __rcu * drivers/tty/tty_jobctrl.c:340:31: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct spinlock [usertype] *lock @@ got struct spinlock [noderef] __rcu * @@ drivers/tty/tty_jobctrl.c:340:31: sparse: expected struct spinlock [usertype] *lock drivers/tty/tty_jobctrl.c:340:31: sparse: got struct spinlock [noderef] __rcu * drivers/tty/tty_jobctrl.c:343:33: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected struct spinlock [usertype] *lock @@ got struct spinlock [noderef] __rcu * @@ drivers/tty/tty_jobctrl.c:343:33: sparse: expected struct spinlock [usertype] *lock drivers/tty/tty_jobctrl.c:343:33: sparse: got struct spinlock [noderef] __rcu * drivers/tty/tty_jobctrl.c:19:41: sparse: sparse: dereference of noderef expression drivers/tty/tty_jobctrl.c: note: in included file (through include/linux/rculist.h, include/linux/sched/signal.h): include/linux/rcupdate.h:778:9: sparse: sparse: context imbalance in '__tty_check_change_locked' - different lock contexts for basic block
vim +83 drivers/tty/tty_jobctrl.c
80 81 int __tty_check_change(struct tty_struct *tty, int sig) 82 { > 83 return __tty_check_change_locked(tty, sig, 0); 84 } 85
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