diff options
Diffstat (limited to 'results/classifier/accel-gemma3:12b/kvm/1240669')
| -rw-r--r-- | results/classifier/accel-gemma3:12b/kvm/1240669 | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/results/classifier/accel-gemma3:12b/kvm/1240669 b/results/classifier/accel-gemma3:12b/kvm/1240669 new file mode 100644 index 000000000..ba13dd476 --- /dev/null +++ b/results/classifier/accel-gemma3:12b/kvm/1240669 @@ -0,0 +1,40 @@ + +sd_init() generates SIGSEGV when passed NULL + +Ran into a bug following the following tutorial: +http://balau82.wordpress.com/2010/03/10/u-boot-for-arm-on-qemu/ + +I built QEMU from a clone of master and became stuck at the beginning part of the tutorial where only u-boot.bin is exectuted. + +http://git.qemu.org/?p=qemu.git;a=commitdiff;h=4f8a066b5fc254eeaabbbde56ba4f5b29cc68fdf +See the modifications to sd.c specifically. + +When sd_init (sd.c) is called from pl181_init(), bs is potentially null: +s->card = sd_init(dinfo ? dinfo->bdrv : NULL, false); + +sd_init() : +SDState *sd_init(BlockDriverState *bs, bool is_spi) +{ + SDState *sd; + + sd = (SDState *) g_malloc0(sizeof(SDState)); + sd->buf = qemu_blockalign(bs, 512); + sd->spi = is_spi; + sd->enable = true; + sd_reset(sd, bs); + if (sd->bdrv) { + bdrv_attach_dev_nofail(sd->bdrv, sd); + bdrv_set_dev_ops(sd->bdrv, &sd_block_ops, sd); + } + vmstate_register(NULL, -1, &sd_vmstate, sd); + return sd; +} + +Line 497 calls bdrv_is_read_only(bs) (from block.c)and this generates a SEGSIGV. + +int bdrv_is_read_only(BlockDriverState *bs) +{ + return bs->read_only; +} + +Checking out tag v1.6.1 reverted the problem. Thanks! \ No newline at end of file |