From 04f3ff5942a548cde7036c1d7fa650fb50f941af Mon Sep 17 00:00:00 2001 From: cuiziwei Date: Thu, 21 Dec 2023 20:17:33 +0800 Subject: [PATCH] nuttx/note:fix runtime error. note/note_driver.c:1405:11: runtime error: null pointer passed as argument 2, which is declared to never be null #0 0x33bf5cc in sched_note_event_ip note/note_driver.c:1405 #1 0x33bfb57 in note_driver_instrument_enter note/note_initialize.c:55 #2 0x347b084 in __cyg_profile_func_enter misc/lib_instrument.c:68 #3 0x34179de in binder_initialize binder/binder.c:669 #4 0x339a936 in drivers_initialize /home/cuiziwei/vela/happy/nuttx/drivers/drivers_initialize.c:242 #5 0x335a179 in nx_start init/nx_start.c:632 #6 0x32f755c in main sim/sim_head.c:180 #7 0xf6821518 (/lib/i386-linux-gnu/libc.so.6+0x21518) (BuildId: 7f64b917aaa97b9680d8e44931bf7611c5a1f036) #8 0xf68215f2 in __libc_start_main (/lib/i386-linux-gnu/libc.so.6+0x215f2) (BuildId: 7f64b917aaa97b9680d8e44931bf7611c5a1f036) #9 0x32b401a in _start (/home/cuiziwei/vela/happy/nuttx/nuttx+0x32b401a) (BuildId: 33f8f7b361d44a008de87fea1bc970b22b48b700) Signed-off-by: cuiziwei --- drivers/note/note_driver.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/drivers/note/note_driver.c b/drivers/note/note_driver.c index 0a20969e4f5a3..8221e0432783f 100644 --- a/drivers/note/note_driver.c +++ b/drivers/note/note_driver.c @@ -1504,7 +1504,10 @@ void sched_note_event_ip(uint32_t tag, uintptr_t ip, uint8_t event, note_common(tcb, ¬e->nev_cmn, length, event); note->nev_ip = ip; - memcpy(note->nev_data, buf, length - SIZEOF_NOTE_EVENT(0)); + if (buf != NULL) + { + memcpy(note->nev_data, buf, length - SIZEOF_NOTE_EVENT(0)); + } } /* Add the note to circular buffer */