* Re: [PATCH 5/7] tracing: Display some syscall arrays as strings
[not found] <20250805193235.416382557@kernel.org>
@ 2025-08-06 15:12 ` kernel test robot
0 siblings, 0 replies; only message in thread
From: kernel test robot @ 2025-08-06 15:12 UTC (permalink / raw)
To: Steven Rostedt, linux-kernel, linux-trace-kernel
Cc: oe-kbuild-all, Masami Hiramatsu, Mark Rutland, Mathieu Desnoyers,
Andrew Morton, Linux Memory Management List, Peter Zijlstra,
Namhyung Kim, Takaya Saeki, Tom Zanussi, Thomas Gleixner,
Ian Rogers, aahringo, Douglas Raillard
Hi Steven,
kernel test robot noticed the following build errors:
[auto build test ERROR on trace/for-next]
[also build test ERROR on linus/master v6.16 next-20250806]
[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/Steven-Rostedt/tracing-Replace-syscall-RCU-pointer-assignment-with-READ-WRITE_ONCE/20250806-122312
base: https://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace for-next
patch link: https://lore.kernel.org/r/20250805193235.416382557%40kernel.org
patch subject: [PATCH 5/7] tracing: Display some syscall arrays as strings
config: i386-randconfig-141-20250806 (https://download.01.org/0day-ci/archive/20250806/202508062215.aRvDXrBA-lkp@intel.com/config)
compiler: gcc-12 (Debian 12.2.0-14+deb12u1) 12.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250806/202508062215.aRvDXrBA-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/202508062215.aRvDXrBA-lkp@intel.com/
All errors (new ones prefixed by >>):
kernel/trace/trace_syscalls.c: In function 'check_faultable_syscall':
>> kernel/trace/trace_syscalls.c:883:14: error: '__NR_kexec_file_load' undeclared (first use in this function)
883 | case __NR_kexec_file_load:
| ^~~~~~~~~~~~~~~~~~~~
kernel/trace/trace_syscalls.c:883:14: note: each undeclared identifier is reported only once for each function it appears in
kernel/trace/trace_syscalls.c:957:14: error: '__NR_newfstatat' undeclared (first use in this function)
957 | case __NR_newfstatat:
| ^~~~~~~~~~~~~~~
vim +/__NR_kexec_file_load +883 kernel/trace/trace_syscalls.c
851
852 /*
853 * For system calls that reference user space memory that can
854 * be recorded into the event, set the system call meta data's user_mask
855 * to the "args" index that points to the user space memory to retrieve.
856 */
857 static void check_faultable_syscall(struct trace_event_call *call, int nr)
858 {
859 struct syscall_metadata *sys_data = call->data;
860
861 /* Only work on entry */
862 if (sys_data->enter_event != call)
863 return;
864
865 sys_data->user_arg_size = -1;
866
867 switch (nr) {
868 /* user arg 1 with size arg at 2 */
869 case __NR_write:
870 case __NR_mq_timedsend:
871 case __NR_pwrite64:
872 sys_data->user_mask = BIT(1);
873 sys_data->user_arg_size = 2;
874 break;
875 /* user arg 0 with size arg at 1 as string */
876 case __NR_setdomainname:
877 case __NR_sethostname:
878 sys_data->user_mask = BIT(0);
879 sys_data->user_arg_size = 1;
880 sys_data->user_arg_is_str = 1;
881 break;
882 /* user arg 4 with size arg at 3 as string */
> 883 case __NR_kexec_file_load:
884 sys_data->user_mask = BIT(4);
885 sys_data->user_arg_size = 3;
886 sys_data->user_arg_is_str = 1;
887 break;
888 /* user arg at position 0 */
889 case __NR_access:
890 case __NR_acct:
891 case __NR_add_key: /* Just _type. TODO add _description */
892 case __NR_chdir:
893 case __NR_chown:
894 case __NR_chmod:
895 case __NR_chroot:
896 case __NR_creat:
897 case __NR_delete_module:
898 case __NR_execve:
899 case __NR_fsopen:
900 case __NR_getxattr: /* Just pathname, TODO add name */
901 case __NR_lchown:
902 case __NR_lgetxattr: /* Just pathname, TODO add name */
903 case __NR_lremovexattr: /* Just pathname, TODO add name */
904 case __NR_link: /* Just oldname. TODO add newname */
905 case __NR_listxattr: /* Just pathname, TODO add list */
906 case __NR_llistxattr: /* Just pathname, TODO add list */
907 case __NR_lsetxattr: /* Just pathname, TODO add list */
908 case __NR_open:
909 case __NR_memfd_create:
910 case __NR_mount: /* Just dev_name, TODO add dir_name and type */
911 case __NR_mkdir:
912 case __NR_mknod:
913 case __NR_mq_open:
914 case __NR_mq_unlink:
915 case __NR_pivot_root: /* Just new_root, TODO add old_root */
916 case __NR_readlink:
917 case __NR_removexattr: /* Just pathname, TODO add name */
918 case __NR_rename: /* Just oldname. TODO add newname */
919 case __NR_request_key: /* Just _type. TODO add _description */
920 case __NR_rmdir:
921 case __NR_setxattr: /* Just pathname, TODO add list */
922 case __NR_shmdt:
923 case __NR_statfs:
924 case __NR_swapon:
925 case __NR_swapoff:
926 case __NR_symlink: /* Just oldname. TODO add newname */
927 case __NR_truncate:
928 case __NR_unlink:
929 case __NR_umount2:
930 case __NR_utime:
931 case __NR_utimes:
932 sys_data->user_mask = BIT(0);
933 break;
934 /* user arg at position 1 */
935 case __NR_execveat:
936 case __NR_faccessat:
937 case __NR_faccessat2:
938 case __NR_finit_module:
939 case __NR_fchmodat:
940 case __NR_fchmodat2:
941 case __NR_fchownat:
942 case __NR_fgetxattr:
943 case __NR_flistxattr:
944 case __NR_fsetxattr:
945 case __NR_fspick:
946 case __NR_fremovexattr:
947 case __NR_futimesat:
948 case __NR_getxattrat: /* Just pathname, TODO add name */
949 case __NR_inotify_add_watch:
950 case __NR_linkat: /* Just oldname. TODO add newname */
951 case __NR_listxattrat: /* Just pathname, TODO add list */
952 case __NR_mkdirat:
953 case __NR_mknodat:
954 case __NR_mount_setattr:
955 case __NR_move_mount: /* Just from_pathname, TODO add to_pathname */
956 case __NR_name_to_handle_at:
957 case __NR_newfstatat:
958 case __NR_openat:
959 case __NR_openat2:
960 case __NR_open_tree:
961 case __NR_open_tree_attr:
962 case __NR_readlinkat:
963 case __NR_renameat: /* Just oldname. TODO add newname */
964 case __NR_renameat2: /* Just oldname. TODO add newname */
965 case __NR_removexattrat: /* Just pathname, TODO add name */
966 case __NR_quotactl:
967 case __NR_setxattrat: /* Just pathname, TODO add list */
968 case __NR_syslog:
969 case __NR_symlinkat: /* Just oldname. TODO add newname */
970 case __NR_statx:
971 case __NR_unlinkat:
972 case __NR_utimensat:
973 sys_data->user_mask = BIT(1);
974 break;
975 /* user arg at position 2 */
976 case __NR_init_module:
977 case __NR_fsconfig:
978 sys_data->user_mask = BIT(2);
979 break;
980 /* user arg at position 4 */
981 case __NR_fanotify_mark:
982 sys_data->user_mask = BIT(4);
983 break;
984 default:
985 sys_data->user_mask = 0;
986 }
987 }
988
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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[not found] <20250805193235.416382557@kernel.org>
2025-08-06 15:12 ` [PATCH 5/7] tracing: Display some syscall arrays as strings kernel test robot
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