Mpc8247 v2014.01 #20
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Mpc8247 v2014.01 #20
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fbertux
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to OSSystems/u-boot
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Sep 29, 2020
Compiling U-Boot with ubsan/asan libraries and running it in sandbox
may lead to below backtrace:
=> avb init 0
=> avb verify
## Android Verified Boot 2.0 version 1.1.0
read_is_device_unlocked not supported yet
common/avb_verify.c:407:31: runtime error: division by zero
AddressSanitizer:DEADLYSIGNAL
Reviewed-by: Igor Opaniuk <igor.opaniuk@linaro.org>
=================================================================
==9388==ERROR: AddressSanitizer: FPE on unknown address 0x0000004b467f \
(pc 0x0000004b467f bp 0x000000000000 sp 0x7ffd899fe150 T0)
#0 0x4b467e in mmc_byte_io common/avb_verify.c:407
#1 0x4b4c47 in mmc_byte_io common/avb_verify.c:532
#2 0x4b4c47 in read_from_partition common/avb_verify.c:533
#3 0x69dc0d in load_and_verify_vbmeta lib/libavb/avb_slot_verify.c:560
#4 0x6a1ee6 in avb_slot_verify lib/libavb/avb_slot_verify.c:1139
#5 0x45dabd in do_avb_verify_part cmd/avb.c:245
#6 0x4af77c in cmd_call common/command.c:499
u-boot#7 0x4af77c in cmd_process common/command.c:538
u-boot#8 0x46bafc in run_pipe_real common/cli_hush.c:1677
u-boot#9 0x46bafc in run_list_real common/cli_hush.c:1875
u-boot#10 0x46c780 in run_list common/cli_hush.c:2024
u-boot#11 0x46c780 in parse_stream_outer common/cli_hush.c:3216
u-boot#12 0x46d34b in parse_file_outer common/cli_hush.c:3299
u-boot#13 0x4ad609 in cli_loop common/cli.c:217
u-boot#14 0x4625ae in main_loop common/main.c:65
u-boot#15 0x46f2d1 in run_main_loop common/board_r.c:648
u-boot#16 0x640253 in initcall_run_list lib/initcall.c:30
u-boot#17 0x46f9d0 in board_init_r common/board_r.c:879
u-boot#18 0x40539b in main arch/sandbox/cpu/start.c:321
u-boot#19 0x7fa94925f82f in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x2082f)
u-boot#20 0x408908 in _start (/srv/R/u-boot-master/u-boot+0x408908)
AddressSanitizer can not provide additional info.
SUMMARY: AddressSanitizer: FPE common/avb_verify.c:407 in mmc_byte_io
==9388==ABORTING
Signed-off-by: Eugeniu Rosca <erosca@de.adit-jv.com>
samueldr
pushed a commit
to samueldr/u-boot
that referenced
this pull request
Mar 27, 2023
Call trace:
PC: [< 00a7b36c >] printch+0x3c/0x68 /home4/cjh/uboot-nextdev/drivers/serial/ns16550.c:280
LR: [< 00a247e4 >] puts+0x1c/0x30 /home4/cjh/uboot-nextdev/common/console.c:592
Stack:
[< 00a7b36c >] printch+0x3c/0x68
[< 00ab337c >] printf+0x90/0xb4
[< 00a036e4 >] rk_board_fdt_fixup+0x30/0x1a8
[< 00a01f10 >] arch_fixup_fdt+0xc/0x94
[< 00a2aa28 >] image_setup_libfdt+0x14/0x114
[< 00a26d1c >] image_setup_linux+0x4c/0x6c
......
PC Surrounding Instructions:
a7b358: 528001a2 mov w2, #0xd // u-boot#13
a7b35c: b9000022 str w2, [x1]
a7b360: b4000192 cbz x18, a7b390 <printch+0x60>
a7b364: f9400642 ldr x2, [x18,u-boot#8]
a7b368: 373000e2 tbnz w2, u-boot#6, a7b384 <printch+0x54>
a7b36c: f940d242 ldr x2, [x18,u-boot#416]
a7b370: b4000102 cbz x2, a7b390 <printch+0x60>
a7b374: f940d241 ldr x1, [x18,u-boot#416]
a7b378: b9401422 ldr w2, [x1,u-boot#20]
a7b37c: 362fffe2 tbz w2, u-boot#5, a7b378 <printch+0x48>
a7b380: b9000020 str w0, [x1]
Signed-off-by: Joseph Chen <chenjh@rock-chips.com>
Change-Id: I48391165094708dd86eeeabea09739a4c14fcf6f
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