add launchpad bug reports without comments

1 files changed, 37 insertions, 0 deletions

diff --git a/results/scraper/launchpad-without-comments/865518 b/results/scraper/launchpad-without-comments/865518
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index 00000000..2a1a7bf7
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+++ b/results/scraper/launchpad-without-comments/865518
@@ -0,0 +1,37 @@
+qemu segfaults when writing to very large qcow2 disk
+
+Create a ridiculously large qcow2 disk:
+
+qemu-img create -f qcow2 test1.img $((2**63-513))
+
+Attach it to a guest and try to use parted to partition it.  This is easy with virt-rescue: you just do:
+
+virt-rescue test1.img
+><rescue> parted /dev/vda mklabel gpt
+<-- bang! qemu segfaults here
+
+The stack trace is:
+
+Program received signal SIGSEGV, Segmentation fault.
+0x0000000000434cac in get_cluster_table (bs=0x3193030, offset=
+    9223372036854764544, new_l2_table=0x591e3c8, new_l2_offset=0x591e3c0, 
+    new_l2_index=0x591e408) at block/qcow2-cluster.c:506
+506	    l2_offset = s->l1_table[l1_index];
+(gdb) bt
+#0  0x0000000000434cac in get_cluster_table (bs=0x3193030, offset=
+    9223372036854764544, new_l2_table=0x591e3c8, new_l2_offset=0x591e3c0, 
+    new_l2_index=0x591e408) at block/qcow2-cluster.c:506
+#1  0x000000000043535b in qcow2_alloc_cluster_offset (bs=0x3193030, offset=
+    9223372036854764544, n_start=106, n_end=126, num=0x591e4e8, m=0x591e470)
+    at block/qcow2-cluster.c:719
+#2  0x000000000043b8d4 in qcow2_co_writev (bs=0x3193030, sector_num=
+    18014398509481962, remaining_sectors=20, qiov=0x4a81ee0)
+    at block/qcow2.c:554
+#3  0x0000000000428691 in bdrv_co_rw (opaque=0x38bad10) at block.c:2781
+#4  0x000000000046e03a in coroutine_trampoline (i0=59487248, i1=0)
+    at coroutine-ucontext.c:125
+#5  0x00000034dc6471b0 in ?? () from /lib64/libc.so.6
+#6  0x00007fff76cbb430 in ?? ()
+#7  0x0000000000000000 in ?? ()
+
+This is qemu from git (8f440cda08c6df574 from 2011-09-29)
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