diff options
Diffstat (limited to 'results/scraper/launchpad-without-comments/1915539')
| -rw-r--r-- | results/scraper/launchpad-without-comments/1915539 | 94 |
1 files changed, 94 insertions, 0 deletions
diff --git a/results/scraper/launchpad-without-comments/1915539 b/results/scraper/launchpad-without-comments/1915539 new file mode 100644 index 000000000..7206ea60b --- /dev/null +++ b/results/scraper/launchpad-without-comments/1915539 @@ -0,0 +1,94 @@ +Null-ptr dereference on AHCICmdHdr in ahci_pio_transfer + +== Reproducer == + +cat << EOF | ./qemu-system-i386 -display none \ +-m 512M -machine q35 -nodefaults \ +-drive file=null-co://,if=none,format=raw,id=disk0 \ +-device ide-hd,drive=disk0 -machine accel=qtest -qtest stdio +outl 0xcf8 0x8000fa24 +outl 0xcfc 0xe0000000 +outl 0xcf8 0x8000fa04 +outw 0xcfc 0x06 +write 0x10a 0x1 0x02 +write 0xe0000398 0x1 0x01 +write 0x20000 0x1 0x27 +write 0x20001 0x1 0x80 +write 0x20002 0x1 0x20 +write 0x20005 0x1 0x02 +write 0xe00003b8 0x2 0x0101 +write 0xe0000004 0x1 0x01 +write 0x2bb 0x1 0x00 +write 0x2bf 0x1 0x00 +write 0x2cf 0x1 0x00 +write 0x2db 0x1 0x00 +write 0x2df 0x1 0x00 +write 0x2ed 0x1 0x00 +write 0x2ef 0x1 0x00 +write 0x2fb 0x1 0x00 +write 0x2ff 0x1 0x00 +write 0x31f 0x1 0x00 +write 0x32b 0x1 0x00 +write 0x32f 0x1 0x00 +write 0x337 0x1 0x00 +write 0x33f 0x1 0x00 +write 0x347 0x1 0x00 +write 0x357 0x1 0x00 +write 0x35f 0x1 0x00 +write 0x36b 0x1 0x00 +write 0x36f 0x1 0x00 +write 0x377 0x1 0x00 +write 0x37f 0x1 0x00 +write 0x397 0x1 0x00 +write 0x39f 0x1 0x00 +write 0x3ab 0x1 0x00 +write 0x3af 0x1 0x00 +write 0x3b7 0x1 0x00 +write 0x3bf 0x1 0x00 +write 0x3c7 0x1 0x00 +write 0x3d7 0x1 0x00 +write 0x3df 0x1 0x00 +write 0x3eb 0x1 0x00 +write 0x3ef 0x1 0x00 +write 0x3f7 0x1 0x00 +write 0x3ff 0x1 0x00 +write 0xe0000394 0x1 0x00 +write 0xe0000398 0x1 0x01 +EOF + +== Stack Trace == +../hw/ide/ahci.c:1349:46: runtime error: member access within null pointer of +type 'AHCICmdHdr' (aka 'struct AHCICmdHdr') SUMMARY: +UndefinedBehaviorSanitizer: undefined-behavior ../hw/ide/ahci.c:1349:46 in +../hw/ide/ahci.c:1349:46: runtime error: load of null pointer of type +'uint16_t' (aka 'unsigned short') +SUMMARY: UndefinedBehaviorSanitizer: +undefined-behavior ../hw/ide/ahci.c:1349:46 in AddressSanitizer:DEADLYSIGNAL +================================================================= +==238806==ERROR: AddressSanitizer: SEGV on unknown address 0x000000000000 (pc +0x555787d414c9 bp 0x7fffe1bb41a0 sp 0x7fffe1bb3fe0 T0) +==238806==The signal is caused by a READ memory access. +==238806==Hint: address points to the zero page. +#0 0x555787d414c9 in ahci_pio_transfer build/../hw/ide/ahci.c:1349:46 +#1 0x5557886089d6 in ide_transfer_start_norecurse build/../hw/ide/core.c:553:5 +#2 0x555788638945 in ide_transfer_start build/../hw/ide/core.c:560:9 +#3 0x555788638945 in ide_sector_read_cb build/../hw/ide/core.c:761:5 +#4 0x55578860c989 in ide_buffered_readv_cb build/../hw/ide/core.c:656:9 +#5 0x5557898999d6 in blk_aio_complete build/../block/block-backend.c:1412:9 +#6 0x555789db8d26 in aio_bh_poll build/../util/async.c:164:13 +#7 0x555789d80704 in aio_dispatch build/../util/aio-posix.c:381:5 +#8 0x555789dbd94c in aio_ctx_dispatch build/../util/async.c:306:5 +#9 0x7f6dcedcfbaa in g_main_context_dispatch (/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0+0x51baa) +#10 0x555789dc3763 in glib_pollfds_poll build/../util/main-loop.c:232:9 +#11 0x555789dc3763 in os_host_main_loop_wait build/../util/main-loop.c:255:5 +#12 0x555789dc3763 in main_loop_wait build/../util/main-loop.c:531:11 +#13 0x555789206a49 in qemu_main_loop build/../softmmu/runstate.c:722:9 +#14 0x555787d052ed in main build/../softmmu/main.c:50:5 +#15 0x7f6dcd84ecc9 in __libc_start_main csu/../csu/libc-start.c:308:16 +#16 0x555787c5b619 in _start (system-i386+0x2a13619) + +AddressSanitizer can not provide additional info. +SUMMARY: AddressSanitizer: SEGV build/../hw/ide/ahci.c:1349:46 in ahci_pio_transfer +==238806==ABORTING + +OSS-Fuzz link: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=30861 \ No newline at end of file |