Hi Bhupesh, kernel test robot noticed the following build errors: [auto build test ERROR on next-20250715] [cannot apply to akpm-mm/mm-everything brauner-vfs/vfs.all tip/sched/core trace/for-next linus/master v6.16-rc6 v6.16-rc5 v6.16-rc4 v6.16-rc6] [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/Bhupesh/exec-Remove-obsolete-comments/20250716-204047 base: next-20250715 patch link: https://lore.kernel.org/r/20250716123916.511889-4-bhupesh%40igalia.com patch subject: [PATCH v5 3/3] treewide: Switch from tsk->comm to tsk->comm_str which is 64 bytes long config: i386-buildonly-randconfig-001-20250717 (https://download.01.org/0day-ci/archive/20250717/202507171254.FobDRyqP-lkp@xxxxxxxxx/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/20250717/202507171254.FobDRyqP-lkp@xxxxxxxxx/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@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202507171254.FobDRyqP-lkp@xxxxxxxxx/ All error/warnings (new ones prefixed by >>): In file included from include/asm-generic/bug.h:28, from arch/x86/include/asm/bug.h:103, from arch/x86/include/asm/alternative.h:9, from arch/x86/include/asm/atomic.h:7, from include/linux/atomic.h:7, from include/linux/debug_locks.h:5, from kernel/panic.c:12: kernel/panic.c: In function '__warn': >> kernel/panic.c:818:58: error: 'struct task_struct' has no member named 'comm'; did you mean 'mm'? 818 | raw_smp_processor_id(), current->comm, current->pid); | ^~~~ include/linux/printk.h:486:33: note: in definition of macro 'printk_index_wrap' 486 | _p_func(_fmt, ##__VA_ARGS__); \ | ^~~~~~~~~~~ include/linux/printk.h:567:9: note: in expansion of macro 'printk' 567 | printk(KERN_WARNING pr_fmt(fmt), ##__VA_ARGS__) | ^~~~~~ kernel/panic.c:816:17: note: in expansion of macro 'pr_warn' 816 | pr_warn("WARNING: %s:%d at %pS, CPU#%d: %s/%d\n", | ^~~~~~~ kernel/panic.c:822:58: error: 'struct task_struct' has no member named 'comm'; did you mean 'mm'? 822 | raw_smp_processor_id(), current->comm, current->pid); | ^~~~ include/linux/printk.h:486:33: note: in definition of macro 'printk_index_wrap' 486 | _p_func(_fmt, ##__VA_ARGS__); \ | ^~~~~~~~~~~ include/linux/printk.h:567:9: note: in expansion of macro 'printk' 567 | printk(KERN_WARNING pr_fmt(fmt), ##__VA_ARGS__) | ^~~~~~ kernel/panic.c:820:17: note: in expansion of macro 'pr_warn' 820 | pr_warn("WARNING: at %pS, CPU#%d: %s/%d\n", | ^~~~~~~ -- In file included from include/asm-generic/bug.h:28, from arch/x86/include/asm/bug.h:103, from arch/x86/include/asm/alternative.h:9, from arch/x86/include/asm/segment.h:6, from arch/x86/include/asm/ptrace.h:5, from arch/x86/include/asm/math_emu.h:5, from arch/x86/include/asm/processor.h:13, from include/linux/sched.h:13, from include/linux/ratelimit.h:6, from include/linux/dev_printk.h:16, from include/linux/device.h:15, from include/linux/node.h:18, from include/linux/cpu.h:17, from kernel/watchdog.c:15: kernel/watchdog.c: In function 'watchdog_timer_fn': >> kernel/watchdog.c:814:34: error: 'struct task_struct' has no member named 'comm'; did you mean 'mm'? 814 | current->comm, task_pid_nr(current)); | ^~~~ include/linux/printk.h:486:33: note: in definition of macro 'printk_index_wrap' 486 | _p_func(_fmt, ##__VA_ARGS__); \ | ^~~~~~~~~~~ include/linux/printk.h:527:9: note: in expansion of macro 'printk' 527 | printk(KERN_EMERG pr_fmt(fmt), ##__VA_ARGS__) | ^~~~~~ kernel/watchdog.c:812:17: note: in expansion of macro 'pr_emerg' 812 | pr_emerg("BUG: soft lockup - CPU#%d stuck for %us! [%s:%d]\n", | ^~~~~~~~ -- In file included from include/asm-generic/bug.h:28, from arch/x86/include/asm/bug.h:103, from arch/x86/include/asm/alternative.h:9, from arch/x86/include/asm/segment.h:6, from arch/x86/include/asm/ptrace.h:5, from arch/x86/include/asm/math_emu.h:5, from arch/x86/include/asm/processor.h:13, from include/linux/sched.h:13, from kernel/rseq.c:11: kernel/rseq.c: In function 'rseq_validate_ro_fields': >> kernel/rseq.c:65:36: error: 'struct task_struct' has no member named 'comm'; did you mean 'mm'? 65 | t->pid, t->comm, | ^~~~ include/linux/printk.h:486:33: note: in definition of macro 'printk_index_wrap' 486 | _p_func(_fmt, ##__VA_ARGS__); \ | ^~~~~~~~~~~ include/linux/printk.h:567:9: note: in expansion of macro 'printk' 567 | printk(KERN_WARNING pr_fmt(fmt), ##__VA_ARGS__) | ^~~~~~ kernel/rseq.c:60:17: note: in expansion of macro 'pr_warn' 60 | pr_warn("Detected rseq corruption for pid: %d, name: %s\n" | ^~~~~~~ -- In file included from include/trace/define_trace.h:132, from include/trace/events/task.h:98, from kernel/fork.c:121: include/trace/events/task.h: In function 'do_trace_event_raw_event_task_newtask': >> include/trace/events/task.h:24:45: error: 'struct task_struct' has no member named 'comm'; did you mean 'mm'? 24 | memcpy(__entry->comm, task->comm, TASK_COMM_LEN); | ^~~~ include/trace/trace_events.h:427:11: note: in definition of macro '__DECLARE_EVENT_CLASS' 427 | { assign; } \ | ^~~~~~ include/trace/trace_events.h:435:23: note: in expansion of macro 'PARAMS' 435 | PARAMS(assign), PARAMS(print)) \ | ^~~~~~ include/trace/trace_events.h:40:9: note: in expansion of macro 'DECLARE_EVENT_CLASS' 40 | DECLARE_EVENT_CLASS(name, \ | ^~~~~~~~~~~~~~~~~~~ include/trace/trace_events.h:44:30: note: in expansion of macro 'PARAMS' 44 | PARAMS(assign), \ | ^~~~~~ include/trace/events/task.h:9:1: note: in expansion of macro 'TRACE_EVENT' 9 | TRACE_EVENT(task_newtask, | ^~~~~~~~~~~ include/trace/events/task.h:22:9: note: in expansion of macro 'TP_fast_assign' 22 | TP_fast_assign( | ^~~~~~~~~~~~~~ include/linux/fortify-string.h:690:26: note: in expansion of macro '__fortify_memcpy_chk' 690 | #define memcpy(p, q, s) __fortify_memcpy_chk(p, q, s, \ | ^~~~~~~~~~~~~~~~~~~~ include/linux/fortify-string.h:691:35: note: in expansion of macro '__struct_size' 691 | __struct_size(p), __struct_size(q), \ | ^~~~~~~~~~~~~ include/trace/events/task.h:24:17: note: in expansion of macro 'memcpy' 24 | memcpy(__entry->comm, task->comm, TASK_COMM_LEN); | ^~~~~~ >> include/trace/events/task.h:24:45: error: 'struct task_struct' has no member named 'comm'; did you mean 'mm'? 24 | memcpy(__entry->comm, task->comm, TASK_COMM_LEN); | ^~~~ include/trace/trace_events.h:427:11: note: in definition of macro '__DECLARE_EVENT_CLASS' 427 | { assign; } \ | ^~~~~~ include/trace/trace_events.h:435:23: note: in expansion of macro 'PARAMS' 435 | PARAMS(assign), PARAMS(print)) \ | ^~~~~~ include/trace/trace_events.h:40:9: note: in expansion of macro 'DECLARE_EVENT_CLASS' 40 | DECLARE_EVENT_CLASS(name, \ | ^~~~~~~~~~~~~~~~~~~ include/trace/trace_events.h:44:30: note: in expansion of macro 'PARAMS' 44 | PARAMS(assign), \ | ^~~~~~ include/trace/events/task.h:9:1: note: in expansion of macro 'TRACE_EVENT' 9 | TRACE_EVENT(task_newtask, | ^~~~~~~~~~~ include/trace/events/task.h:22:9: note: in expansion of macro 'TP_fast_assign' 22 | TP_fast_assign( | ^~~~~~~~~~~~~~ include/linux/fortify-string.h:690:26: note: in expansion of macro '__fortify_memcpy_chk' 690 | #define memcpy(p, q, s) __fortify_memcpy_chk(p, q, s, \ | ^~~~~~~~~~~~~~~~~~~~ include/linux/fortify-string.h:692:35: note: in expansion of macro '__member_size' 692 | __member_size(p), __member_size(q), \ | ^~~~~~~~~~~~~ include/trace/events/task.h:24:17: note: in expansion of macro 'memcpy' 24 | memcpy(__entry->comm, task->comm, TASK_COMM_LEN); | ^~~~~~ >> include/trace/events/task.h:24:45: error: 'struct task_struct' has no member named 'comm'; did you mean 'mm'? 24 | memcpy(__entry->comm, task->comm, TASK_COMM_LEN); | ^~~~ include/trace/trace_events.h:427:11: note: in definition of macro '__DECLARE_EVENT_CLASS' 427 | { assign; } \ | ^~~~~~ include/trace/trace_events.h:435:23: note: in expansion of macro 'PARAMS' 435 | PARAMS(assign), PARAMS(print)) \ | ^~~~~~ include/trace/trace_events.h:40:9: note: in expansion of macro 'DECLARE_EVENT_CLASS' 40 | DECLARE_EVENT_CLASS(name, \ | ^~~~~~~~~~~~~~~~~~~ include/trace/trace_events.h:44:30: note: in expansion of macro 'PARAMS' 44 | PARAMS(assign), \ | ^~~~~~ include/trace/events/task.h:9:1: note: in expansion of macro 'TRACE_EVENT' 9 | TRACE_EVENT(task_newtask, | ^~~~~~~~~~~ include/trace/events/task.h:22:9: note: in expansion of macro 'TP_fast_assign' 22 | TP_fast_assign( | ^~~~~~~~~~~~~~ include/linux/fortify-string.h:690:26: note: in expansion of macro '__fortify_memcpy_chk' 690 | #define memcpy(p, q, s) __fortify_memcpy_chk(p, q, s, \ | ^~~~~~~~~~~~~~~~~~~~ include/trace/events/task.h:24:17: note: in expansion of macro 'memcpy' 24 | memcpy(__entry->comm, task->comm, TASK_COMM_LEN); | ^~~~~~ include/trace/events/task.h: In function 'do_trace_event_raw_event_task_rename': include/trace/events/task.h:48:46: error: 'struct task_struct' has no member named 'comm'; did you mean 'mm'? 48 | memcpy(entry->oldcomm, task->comm, TASK_COMM_LEN); | ^~~~ include/trace/trace_events.h:427:11: note: in definition of macro '__DECLARE_EVENT_CLASS' 427 | { assign; } \ | ^~~~~~ include/trace/trace_events.h:435:23: note: in expansion of macro 'PARAMS' 435 | PARAMS(assign), PARAMS(print)) \ | ^~~~~~ include/trace/trace_events.h:40:9: note: in expansion of macro 'DECLARE_EVENT_CLASS' 40 | DECLARE_EVENT_CLASS(name, \ | ^~~~~~~~~~~~~~~~~~~ include/trace/trace_events.h:44:30: note: in expansion of macro 'PARAMS' 44 | PARAMS(assign), \ | ^~~~~~ include/trace/events/task.h:35:1: note: in expansion of macro 'TRACE_EVENT' 35 | TRACE_EVENT(task_rename, | ^~~~~~~~~~~ include/trace/events/task.h:47:9: note: in expansion of macro 'TP_fast_assign' 47 | TP_fast_assign( | ^~~~~~~~~~~~~~ include/linux/fortify-string.h:690:26: note: in expansion of macro '__fortify_memcpy_chk' 690 | #define memcpy(p, q, s) __fortify_memcpy_chk(p, q, s, \ | ^~~~~~~~~~~~~~~~~~~~ include/linux/fortify-string.h:691:35: note: in expansion of macro '__struct_size' 691 | __struct_size(p), __struct_size(q), \ | ^~~~~~~~~~~~~ include/trace/events/task.h:48:17: note: in expansion of macro 'memcpy' 48 | memcpy(entry->oldcomm, task->comm, TASK_COMM_LEN); | ^~~~~~ include/trace/events/task.h:48:46: error: 'struct task_struct' has no member named 'comm'; did you mean 'mm'? 48 | memcpy(entry->oldcomm, task->comm, TASK_COMM_LEN); | ^~~~ include/trace/trace_events.h:427:11: note: in definition of macro '__DECLARE_EVENT_CLASS' 427 | { assign; } \ | ^~~~~~ include/trace/trace_events.h:435:23: note: in expansion of macro 'PARAMS' 435 | PARAMS(assign), PARAMS(print)) \ | ^~~~~~ include/trace/trace_events.h:40:9: note: in expansion of macro 'DECLARE_EVENT_CLASS' 40 | DECLARE_EVENT_CLASS(name, \ | ^~~~~~~~~~~~~~~~~~~ include/trace/trace_events.h:44:30: note: in expansion of macro 'PARAMS' 44 | PARAMS(assign), \ | ^~~~~~ include/trace/events/task.h:35:1: note: in expansion of macro 'TRACE_EVENT' 35 | TRACE_EVENT(task_rename, | ^~~~~~~~~~~ include/trace/events/task.h:47:9: note: in expansion of macro 'TP_fast_assign' 47 | TP_fast_assign( | ^~~~~~~~~~~~~~ include/linux/fortify-string.h:690:26: note: in expansion of macro '__fortify_memcpy_chk' 690 | #define memcpy(p, q, s) __fortify_memcpy_chk(p, q, s, \ | ^~~~~~~~~~~~~~~~~~~~ include/linux/fortify-string.h:692:35: note: in expansion of macro '__member_size' 692 | __member_size(p), __member_size(q), \ | ^~~~~~~~~~~~~ include/trace/events/task.h:48:17: note: in expansion of macro 'memcpy' 48 | memcpy(entry->oldcomm, task->comm, TASK_COMM_LEN); | ^~~~~~ include/trace/events/task.h:48:46: error: 'struct task_struct' has no member named 'comm'; did you mean 'mm'? 48 | memcpy(entry->oldcomm, task->comm, TASK_COMM_LEN); | ^~~~ include/trace/trace_events.h:427:11: note: in definition of macro '__DECLARE_EVENT_CLASS' 427 | { assign; } \ | ^~~~~~ include/trace/trace_events.h:435:23: note: in expansion of macro 'PARAMS' 435 | PARAMS(assign), PARAMS(print)) \ | ^~~~~~ include/trace/trace_events.h:40:9: note: in expansion of macro 'DECLARE_EVENT_CLASS' 40 | DECLARE_EVENT_CLASS(name, \ | ^~~~~~~~~~~~~~~~~~~ include/trace/trace_events.h:44:30: note: in expansion of macro 'PARAMS' 44 | PARAMS(assign), \ | ^~~~~~ include/trace/events/task.h:35:1: note: in expansion of macro 'TRACE_EVENT' 35 | TRACE_EVENT(task_rename, | ^~~~~~~~~~~ include/trace/events/task.h:47:9: note: in expansion of macro 'TP_fast_assign' 47 | TP_fast_assign( | ^~~~~~~~~~~~~~ include/linux/fortify-string.h:690:26: note: in expansion of macro '__fortify_memcpy_chk' 690 | #define memcpy(p, q, s) __fortify_memcpy_chk(p, q, s, \ | ^~~~~~~~~~~~~~~~~~~~ include/trace/events/task.h:48:17: note: in expansion of macro 'memcpy' 48 | memcpy(entry->oldcomm, task->comm, TASK_COMM_LEN); | ^~~~~~ In file included from include/trace/define_trace.h:133: include/trace/events/task.h: In function 'do_perf_trace_task_newtask': >> include/trace/events/task.h:24:45: error: 'struct task_struct' has no member named 'comm'; did you mean 'mm'? 24 | memcpy(__entry->comm, task->comm, TASK_COMM_LEN); | ^~~~ include/trace/perf.h:51:11: note: in definition of macro '__DECLARE_EVENT_CLASS' 51 | { assign; } \ | ^~~~~~ include/trace/perf.h:67:23: note: in expansion of macro 'PARAMS' 67 | PARAMS(assign), PARAMS(print)) \ | ^~~~~~ include/trace/trace_events.h:40:9: note: in expansion of macro 'DECLARE_EVENT_CLASS' 40 | DECLARE_EVENT_CLASS(name, \ | ^~~~~~~~~~~~~~~~~~~ include/trace/trace_events.h:44:30: note: in expansion of macro 'PARAMS' 44 | PARAMS(assign), \ | ^~~~~~ include/trace/events/task.h:9:1: note: in expansion of macro 'TRACE_EVENT' 9 | TRACE_EVENT(task_newtask, | ^~~~~~~~~~~ include/trace/events/task.h:22:9: note: in expansion of macro 'TP_fast_assign' 22 | TP_fast_assign( | ^~~~~~~~~~~~~~ include/linux/fortify-string.h:690:26: note: in expansion of macro '__fortify_memcpy_chk' 690 | #define memcpy(p, q, s) __fortify_memcpy_chk(p, q, s, \ | ^~~~~~~~~~~~~~~~~~~~ include/linux/fortify-string.h:691:35: note: in expansion of macro '__struct_size' 691 | __struct_size(p), __struct_size(q), \ | ^~~~~~~~~~~~~ include/trace/events/task.h:24:17: note: in expansion of macro 'memcpy' 24 | memcpy(__entry->comm, task->comm, TASK_COMM_LEN); | ^~~~~~ >> include/trace/events/task.h:24:45: error: 'struct task_struct' has no member named 'comm'; did you mean 'mm'? 24 | memcpy(__entry->comm, task->comm, TASK_COMM_LEN); | ^~~~ include/trace/perf.h:51:11: note: in definition of macro '__DECLARE_EVENT_CLASS' 51 | { assign; } \ | ^~~~~~ include/trace/perf.h:67:23: note: in expansion of macro 'PARAMS' 67 | PARAMS(assign), PARAMS(print)) \ | ^~~~~~ include/trace/trace_events.h:40:9: note: in expansion of macro 'DECLARE_EVENT_CLASS' 40 | DECLARE_EVENT_CLASS(name, \ | ^~~~~~~~~~~~~~~~~~~ include/trace/trace_events.h:44:30: note: in expansion of macro 'PARAMS' 44 | PARAMS(assign), \ | ^~~~~~ include/trace/events/task.h:9:1: note: in expansion of macro 'TRACE_EVENT' 9 | TRACE_EVENT(task_newtask, | ^~~~~~~~~~~ include/trace/events/task.h:22:9: note: in expansion of macro 'TP_fast_assign' 22 | TP_fast_assign( | ^~~~~~~~~~~~~~ include/linux/fortify-string.h:690:26: note: in expansion of macro '__fortify_memcpy_chk' 690 | #define memcpy(p, q, s) __fortify_memcpy_chk(p, q, s, \ | ^~~~~~~~~~~~~~~~~~~~ include/linux/fortify-string.h:692:35: note: in expansion of macro '__member_size' 692 | __member_size(p), __member_size(q), \ | ^~~~~~~~~~~~~ include/trace/events/task.h:24:17: note: in expansion of macro 'memcpy' 24 | memcpy(__entry->comm, task->comm, TASK_COMM_LEN); | ^~~~~~ >> include/trace/events/task.h:24:45: error: 'struct task_struct' has no member named 'comm'; did you mean 'mm'? 24 | memcpy(__entry->comm, task->comm, TASK_COMM_LEN); | ^~~~ include/trace/perf.h:51:11: note: in definition of macro '__DECLARE_EVENT_CLASS' 51 | { assign; } \ | ^~~~~~ include/trace/perf.h:67:23: note: in expansion of macro 'PARAMS' 67 | PARAMS(assign), PARAMS(print)) \ | ^~~~~~ include/trace/trace_events.h:40:9: note: in expansion of macro 'DECLARE_EVENT_CLASS' 40 | DECLARE_EVENT_CLASS(name, \ | ^~~~~~~~~~~~~~~~~~~ include/trace/trace_events.h:44:30: note: in expansion of macro 'PARAMS' 44 | PARAMS(assign), \ | ^~~~~~ include/trace/events/task.h:9:1: note: in expansion of macro 'TRACE_EVENT' 9 | TRACE_EVENT(task_newtask, | ^~~~~~~~~~~ include/trace/events/task.h:22:9: note: in expansion of macro 'TP_fast_assign' 22 | TP_fast_assign( | ^~~~~~~~~~~~~~ include/linux/fortify-string.h:690:26: note: in expansion of macro '__fortify_memcpy_chk' 690 | #define memcpy(p, q, s) __fortify_memcpy_chk(p, q, s, \ | ^~~~~~~~~~~~~~~~~~~~ include/trace/events/task.h:24:17: note: in expansion of macro 'memcpy' 24 | memcpy(__entry->comm, task->comm, TASK_COMM_LEN); | ^~~~~~ include/trace/events/task.h: In function 'do_perf_trace_task_rename': include/trace/events/task.h:48:46: error: 'struct task_struct' has no member named 'comm'; did you mean 'mm'? 48 | memcpy(entry->oldcomm, task->comm, TASK_COMM_LEN); | ^~~~ include/trace/perf.h:51:11: note: in definition of macro '__DECLARE_EVENT_CLASS' 51 | { assign; } \ | ^~~~~~ include/trace/perf.h:67:23: note: in expansion of macro 'PARAMS' 67 | PARAMS(assign), PARAMS(print)) \ | ^~~~~~ include/trace/trace_events.h:40:9: note: in expansion of macro 'DECLARE_EVENT_CLASS' 40 | DECLARE_EVENT_CLASS(name, \ | ^~~~~~~~~~~~~~~~~~~ include/trace/trace_events.h:44:30: note: in expansion of macro 'PARAMS' 44 | PARAMS(assign), \ | ^~~~~~ include/trace/events/task.h:35:1: note: in expansion of macro 'TRACE_EVENT' 35 | TRACE_EVENT(task_rename, | ^~~~~~~~~~~ include/trace/events/task.h:47:9: note: in expansion of macro 'TP_fast_assign' 47 | TP_fast_assign( | ^~~~~~~~~~~~~~ include/linux/fortify-string.h:690:26: note: in expansion of macro '__fortify_memcpy_chk' 690 | #define memcpy(p, q, s) __fortify_memcpy_chk(p, q, s, \ | ^~~~~~~~~~~~~~~~~~~~ include/linux/fortify-string.h:691:35: note: in expansion of macro '__struct_size' 691 | __struct_size(p), __struct_size(q), \ | ^~~~~~~~~~~~~ include/trace/events/task.h:48:17: note: in expansion of macro 'memcpy' 48 | memcpy(entry->oldcomm, task->comm, TASK_COMM_LEN); | ^~~~~~ include/trace/events/task.h:48:46: error: 'struct task_struct' has no member named 'comm'; did you mean 'mm'? 48 | memcpy(entry->oldcomm, task->comm, TASK_COMM_LEN); | ^~~~ include/trace/perf.h:51:11: note: in definition of macro '__DECLARE_EVENT_CLASS' 51 | { assign; } \ | ^~~~~~ include/trace/perf.h:67:23: note: in expansion of macro 'PARAMS' 67 | PARAMS(assign), PARAMS(print)) \ | ^~~~~~ include/trace/trace_events.h:40:9: note: in expansion of macro 'DECLARE_EVENT_CLASS' 40 | DECLARE_EVENT_CLASS(name, \ | ^~~~~~~~~~~~~~~~~~~ include/trace/trace_events.h:44:30: note: in expansion of macro 'PARAMS' 44 | PARAMS(assign), \ | ^~~~~~ include/trace/events/task.h:35:1: note: in expansion of macro 'TRACE_EVENT' 35 | TRACE_EVENT(task_rename, | ^~~~~~~~~~~ include/trace/events/task.h:47:9: note: in expansion of macro 'TP_fast_assign' 47 | TP_fast_assign( | ^~~~~~~~~~~~~~ include/linux/fortify-string.h:690:26: note: in expansion of macro '__fortify_memcpy_chk' 690 | #define memcpy(p, q, s) __fortify_memcpy_chk(p, q, s, \ | ^~~~~~~~~~~~~~~~~~~~ include/linux/fortify-string.h:692:35: note: in expansion of macro '__member_size' 692 | __member_size(p), __member_size(q), \ | ^~~~~~~~~~~~~ include/trace/events/task.h:48:17: note: in expansion of macro 'memcpy' 48 | memcpy(entry->oldcomm, task->comm, TASK_COMM_LEN); | ^~~~~~ include/trace/events/task.h:48:46: error: 'struct task_struct' has no member named 'comm'; did you mean 'mm'? 48 | memcpy(entry->oldcomm, task->comm, TASK_COMM_LEN); | ^~~~ include/trace/perf.h:51:11: note: in definition of macro '__DECLARE_EVENT_CLASS' 51 | { assign; } \ | ^~~~~~ include/trace/perf.h:67:23: note: in expansion of macro 'PARAMS' 67 | PARAMS(assign), PARAMS(print)) \ | ^~~~~~ include/trace/trace_events.h:40:9: note: in expansion of macro 'DECLARE_EVENT_CLASS' 40 | DECLARE_EVENT_CLASS(name, \ | ^~~~~~~~~~~~~~~~~~~ include/trace/trace_events.h:44:30: note: in expansion of macro 'PARAMS' .. vim +818 kernel/panic.c bd89bb29a01503 Arjan van de Ven 2008-11-28 807 2553b67a1fbe7b Josh Poimboeuf 2016-03-17 808 void __warn(const char *file, int line, void *caller, unsigned taint, 2553b67a1fbe7b Josh Poimboeuf 2016-03-17 809 struct pt_regs *regs, struct warn_args *args) 0f6f49a8cd0163 Linus Torvalds 2009-05-16 810 { 4833794db61c8c Thomas Gleixner 2024-08-20 811 nbcon_cpu_emergency_enter(); 4833794db61c8c Thomas Gleixner 2024-08-20 812 de7edd31457b62 Steven Rostedt (Red Hat 2013-06-14 813) disable_trace_on_warning(); de7edd31457b62 Steven Rostedt (Red Hat 2013-06-14 814) 1d1c158ece6cb7 Ingo Molnar 2025-05-15 815 if (file) { 1d1c158ece6cb7 Ingo Molnar 2025-05-15 816 pr_warn("WARNING: %s:%d at %pS, CPU#%d: %s/%d\n", 1d1c158ece6cb7 Ingo Molnar 2025-05-15 817 file, line, caller, 1d1c158ece6cb7 Ingo Molnar 2025-05-15 @818 raw_smp_processor_id(), current->comm, current->pid); 1d1c158ece6cb7 Ingo Molnar 2025-05-15 819 } else { 1d1c158ece6cb7 Ingo Molnar 2025-05-15 820 pr_warn("WARNING: at %pS, CPU#%d: %s/%d\n", 1d1c158ece6cb7 Ingo Molnar 2025-05-15 821 caller, 1d1c158ece6cb7 Ingo Molnar 2025-05-15 822 raw_smp_processor_id(), current->comm, current->pid); 1d1c158ece6cb7 Ingo Molnar 2025-05-15 823 } 74853dba2f7a1a Arjan van de Ven 2008-11-28 824 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
