diff options
Diffstat (limited to 'results/classifier/zero-shot/108/other/1240669')
| -rw-r--r-- | results/classifier/zero-shot/108/other/1240669 | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/results/classifier/zero-shot/108/other/1240669 b/results/classifier/zero-shot/108/other/1240669 new file mode 100644 index 000000000..9f5df88a2 --- /dev/null +++ b/results/classifier/zero-shot/108/other/1240669 @@ -0,0 +1,57 @@ +performance: 0.730 +graphic: 0.698 +semantic: 0.656 +device: 0.651 +socket: 0.512 +boot: 0.506 +debug: 0.439 +PID: 0.428 +network: 0.389 +permissions: 0.329 +vnc: 0.240 +files: 0.235 +other: 0.178 +KVM: 0.173 + +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! + +Fixed with commit 794cbc26eb94ce13c75d105eea9ff0afff56e2c2. + |