memcpy failure (IDFGH-12698)

[Jurand1]

Answers checklist.

• [X] I have read the documentation ESP-IDF Programming Guide and the issue is not addressed there.
• [X] I have updated my IDF branch (master or release) to the latest version and checked that the issue is present there.
• [X] I have searched the issue tracker for a similar issue and not found a similar issue.

General issue report

Hi, I am using my own component to send and receive data using espnow. I can not find problem what makes memcpy failure. The same component is used at two projects-sending receiving data. One is working without any problems and but in a second app the same component line with 'memcpy' crashing.

Guru Meditation Error: Core 0 panic'ed (StoreProhibited). Exception was unhandled.

Core 0 register dump: PC : 0x4008e396 PS : 0x00050033 A0 : 0x4008e253 A1 : 0x3ffca620
0x4008e396: vPortYieldFromInt at C:/Users/Janek/esp/esp-idf/components/freertos/FreeRTOS-Kernel/portable/xtensa/portasm.S:647 0x4008e253: _frxt_int_exit at C:/Users/Janek/esp/esp-idf/components/freertos/FreeRTOS-Kernel/portable/xtensa/portasm.S:245

A2 : 0xffffffa0 A3 : 0x00000000 A4 : 0x800859a5 A5 : 0x4008e1d6
0x4008e1d6: _frxt_int_enter at C:/Users/Janek/esp/esp-idf/components/freertos/FreeRTOS-Kernel/portable/xtensa/portasm.S:139

A6 : 0x3ffb4118 A7 : 0x00000002 A8 : 0x80085950 A9 : 0x3ffb1ce0
A10 : 0x3ffb4108 A11 : 0x00000001 A12 : 0x00000000 A13 : 0x00060023
A14 : 0xb33fffff A15 : 0xb33fffff SAR : 0x00000020 EXCCAUSE: 0x0000001d
EXCVADDR: 0xffffffa0 LBEG : 0x4000c2e0 LEND : 0x4000c2f6 LCOUNT : 0xffffffff 0x4000c2e0: memcpy in ROM 0x4000c2f6: memcpy in ROM

Backtrace: 0x4008e393:0x3ffca620 0x4008e250:0x3ffca630 0x0005001e:0x00000000 |<-CORRUPTED 0x4008e393: vPortYieldFromInt at C:/Users/Janek/esp/esp-idf/components/freertos/FreeRTOS-Kernel/portable/xtensa/portasm.S:646 0x4008e250: _frxt_int_exit at C:/Users/Janek/esp/esp-idf/components/freertos/FreeRTOS-Kernel/portable/xtensa/portasm.S:244

Thanks for any help.

[hyuan-kamuda]

I have similar issue: Guru Meditation Error: Core 0 panic'ed (StoreProhibited). Exception was unhandled.

Core 0 register dump: PC : 0x400d4948 PS : 0x00060333 A0 : 0x800d4a30 A1 : 0x3ffb9710
0x400d4948: timer_process_alarm at C:/Users/hyuan/esp/esp-idf/components/esp_timer/src/esp_timer.c:422 (discriminator 3)

A2 : 0x00000000 A3 : 0x00000000 A4 : 0x00152caf A5 : 0x00000000 A6 : 0x00000000 A7 : 0x3ffcc9d8 A8 : 0x00000000 A9 : 0x00000000 A10 : 0x00000000 A11 : 0x00000000 A12 : 0x00152caf A13 : 0x00060523 A14 : 0x00000081 A15 : 0x0000cdcd SAR : 0x0000001d EXCCAUSE: 0x0000001d
EXCVADDR: 0x00000000 LBEG : 0x4000c2e0 LEND : 0x4000c2f6 LCOUNT : 0xffffffff 0x4000c2e0: memcpy in ROM 0x4000c2f6: memcpy in ROM

Backtrace: 0x400d4945:0x3ffb9710 0x400d4a2d:0x3ffb9740 0x40089b9d:0x3ffb9760 0x400d4945: timer_process_alarm at C:/Users/hyuan/esp/esp-idf/components/esp_timer/src/esp_timer.c:422 (discriminator 3) 0x400d4a2d: timer_task at C:/Users/hyuan/esp/esp-idf/components/esp_timer/src/esp_timer.c:479 (discriminator 1) 0x40089b9d: vPortTaskWrapper at C:/Users/hyuan/esp/esp-idf/components/freertos/FreeRTOS-Kernel/portable/xtensa/port.c:134

ELF file SHA256: 9568f6bb9

CPU halted.

[Jurand1]

Hello, I found issue it is not memcpy but mbed rsa decrypting is making crashing. Closing issue.