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authorChristian Krinitsin <mail@krinitsin.com>2025-06-30 12:24:58 +0000
committerChristian Krinitsin <mail@krinitsin.com>2025-06-30 12:27:06 +0000
commit33606b41d35115f887ea688b1a16f2ff85bf2fe4 (patch)
tree406b2c7b19a087ba437c68f3dbf0b589fa1d6150 /results/scraper/launchpad-without-comments/1728661
parentadedf8771bc4de3113041ca21bd4d0d1c0014b6a (diff)
downloadqemu-analysis-33606b41d35115f887ea688b1a16f2ff85bf2fe4.tar.gz
qemu-analysis-33606b41d35115f887ea688b1a16f2ff85bf2fe4.zip
add launchpad bug reports without comments
Diffstat (limited to 'results/scraper/launchpad-without-comments/1728661')
-rw-r--r--results/scraper/launchpad-without-comments/1728661106
1 files changed, 106 insertions, 0 deletions
diff --git a/results/scraper/launchpad-without-comments/1728661 b/results/scraper/launchpad-without-comments/1728661
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@@ -0,0 +1,106 @@
+qemu-io segfaults at block/qcow2.h:533
+
+git is at HEAD a93ece47fd9edbd4558db24300056c9a57d3bcd4
+This is on ppc64le architecture.
+
+Re-production steps:
+
+1. Copy the attached file named test.img to a directory
+2. And customize the following command to point to the above directory and run the same.
+# mv test.img copy.img
+# qemu-io <path to>/copy.img -c "truncate 66560"
+
+from gdb:
+Program terminated with signal 11, Segmentation fault.
+#0  0x0000000010054cec in get_refblock_offset (s=0x32ca3210, offset=9223372036854775296) at ./block/qcow2.h:533
+533	    return s->refcount_table[index] & REFT_OFFSET_MASK;
+Missing separate debuginfos, use: debuginfo-install cyrus-sasl-lib-2.1.26-21.el7.ppc64le glib2-2.50.3-3.el7.ppc64le glibc-2.17-196.el7.ppc64le gmp-6.0.0-15.el7.ppc64le gnutls-3.3.26-9.el7.ppc64le keyutils-libs-1.5.8-3.el7.ppc64le krb5-libs-1.15.1-8.el7.ppc64le libaio-0.3.109-13.el7.ppc64le libcom_err-1.42.9-10.el7.ppc64le libcurl-7.29.0-42.el7.ppc64le libffi-3.0.13-18.el7.ppc64le libgcc-4.8.5-16.el7_4.1.ppc64le libidn-1.28-4.el7.ppc64le libselinux-2.5-11.el7.ppc64le libssh2-1.4.3-10.el7_2.1.ppc64le libstdc++-4.8.5-16.el7_4.1.ppc64le libtasn1-4.10-1.el7.ppc64le nettle-2.7.1-8.el7.ppc64le nspr-4.13.1-1.0.el7_3.ppc64le nss-3.28.4-15.el7_4.ppc64le nss-softokn-freebl-3.28.3-8.el7_4.ppc64le nss-util-3.28.4-3.el7.ppc64le openldap-2.4.44-5.el7.ppc64le openssl-libs-1.0.2k-8.el7.ppc64le p11-kit-0.23.5-3.el7.ppc64le pcre-8.32-17.el7.ppc64le zlib-1.2.7-17.el7.ppc64le
+(gdb) bt
+#0  0x0000000010054cec in get_refblock_offset (s=0x32ca3210, offset=9223372036854775296) at ./block/qcow2.h:533
+#1  0x000000001005df4c in qcow2_discard_refcount_block (bs=0x32c96f60, discard_block_offs=9223372036854775296) at block/qcow2-refcount.c:3070
+#2  0x000000001005e5c4 in qcow2_shrink_reftable (bs=0x32c96f60) at block/qcow2-refcount.c:3169
+#3  0x0000000010051184 in qcow2_truncate (bs=0x32c96f60, offset=66560, prealloc=PREALLOC_MODE_OFF, errp=0x3fffc051ecd8) at block/qcow2.c:3155
+#4  0x0000000010016480 in bdrv_truncate (child=0x32ca6270, offset=66560, prealloc=PREALLOC_MODE_OFF, errp=0x3fffc051ecd8) at block.c:3585
+#5  0x0000000010090800 in blk_truncate (blk=0x32c89410, offset=66560, prealloc=PREALLOC_MODE_OFF, errp=0x3fffc051ecd8) at block/block-backend.c:1845
+#6  0x0000000010023028 in truncate_f (blk=0x32c89410, argc=2, argv=0x32c685a0) at qemu-io-cmds.c:1580
+#7  0x000000001001e648 in command (blk=0x32c89410, ct=0x32c96e30, argc=2, argv=0x32c685a0) at qemu-io-cmds.c:117
+#8  0x0000000010024d64 in qemuio_command (blk=0x32c89410, cmd=0x3fffc052f66e "truncate 66560") at qemu-io-cmds.c:2291
+#9  0x000000001000b540 in command_loop () at qemu-io.c:374
+#10 0x000000001000c05c in main (argc=4, argv=0x3fffc051f618) at qemu-io.c:630
+(gdb) bt full
+#0  0x0000000010054cec in get_refblock_offset (s=0x32ca3210, offset=9223372036854775296) at ./block/qcow2.h:533
+        index = 4294967295
+#1  0x000000001005df4c in qcow2_discard_refcount_block (bs=0x32c96f60, discard_block_offs=9223372036854775296) at block/qcow2-refcount.c:3070
+        s = 0x32ca3210
+        refblock_offs = 852111520
+        cluster_index = 16384
+        block_index = 3226593616
+        refblock = 0x32cb9570
+        ret = 16384
+        __PRETTY_FUNCTION__ = "qcow2_discard_refcount_block"
+#2  0x000000001005e5c4 in qcow2_shrink_reftable (bs=0x32c96f60) at block/qcow2-refcount.c:3169
+        s = 0x32ca3210
+        reftable_tmp = 0x32cb9570
+        i = 0
+        ret = 0
+#3  0x0000000010051184 in qcow2_truncate (bs=0x32c96f60, offset=66560, prealloc=PREALLOC_MODE_OFF, errp=0x3fffc051ecd8) at block/qcow2.c:3155
+        last_cluster = 70367675804416
+        old_file_size = 70367675804416
+        s = 0x32ca3210
+        old_length = 1048576
+        new_l1_size = 1
+        ret = 0
+        __func__ = "qcow2_truncate"
+        __PRETTY_FUNCTION__ = "qcow2_truncate"
+        __FUNCTION__ = "qcow2_truncate"
+#4  0x0000000010016480 in bdrv_truncate (child=0x32ca6270, offset=66560, prealloc=PREALLOC_MODE_OFF, errp=0x3fffc051ecd8) at block.c:3585
+        bs = 0x32c96f60
+        drv = 0x102036f0 <bdrv_qcow2>
+        ret = 16383
+        __PRETTY_FUNCTION__ = "bdrv_truncate"
+        __func__ = "bdrv_truncate"
+#5  0x0000000010090800 in blk_truncate (blk=0x32c89410, offset=66560, prealloc=PREALLOC_MODE_OFF, errp=0x3fffc051ecd8) at block/block-backend.c:1845
+        __func__ = "blk_truncate"
+#6  0x0000000010023028 in truncate_f (blk=0x32c89410, argc=2, argv=0x32c685a0) at qemu-io-cmds.c:1580
+        local_err = 0x0
+        offset = 66560
+        ret = 0
+#7  0x000000001001e648 in command (blk=0x32c89410, ct=0x32c96e30, argc=2, argv=0x32c685a0) at qemu-io-cmds.c:117
+        cmd = 0x32c684c0 "truncate"
+#8  0x0000000010024d64 in qemuio_command (blk=0x32c89410, cmd=0x3fffc052f66e "truncate 66560") at qemu-io-cmds.c:2291
+        ctx = 0x32c924d0
+        input = 0x32c684c0 "truncate"
+        ct = 0x32c96e30
+        v = 0x32c685a0
+        c = 2
+        done = false
+#9  0x000000001000b540 in command_loop () at qemu-io.c:374
+        i = 0
+        done = 0
+        fetchable = 0
+---Type <return> to continue, or q <return> to quit---
+        prompted = 0
+        input = 0x0
+#10 0x000000001000c05c in main (argc=4, argv=0x3fffc051f618) at qemu-io.c:630
+        readonly = 0
+        sopt = 0x101b2608 "hVc:d:f:rsnCmkt:T:U"
+        lopt = {{name = 0x101b26d0 "driver", has_arg = 0, flag = 0x0, val = 104}, {name = 0x101b26d8 "help", has_arg = 0, flag = 0x0, val = 86}, {
+            name = 0x101b26e0 "version", has_arg = 1, flag = 0x0, val = 99}, {name = 0x101b26e8 "cmd", has_arg = 1, flag = 0x0, val = 102}, {
+            name = 0x101b26f0 "format", has_arg = 0, flag = 0x0, val = 114}, {name = 0x101b2700 "y", has_arg = 0, flag = 0x0, val = 115}, {
+            name = 0x101b2710 "", has_arg = 0, flag = 0x0, val = 110}, {name = 0x101b2718 "nocache", has_arg = 0, flag = 0x0, val = 67}, {
+            name = 0x101b2728 "read", has_arg = 0, flag = 0x0, val = 109}, {name = 0x101b2738 "", has_arg = 0, flag = 0x0, val = 107}, {
+            name = 0x101b2748 "io", has_arg = 1, flag = 0x0, val = 100}, {name = 0x101b2750 "discard", has_arg = 1, flag = 0x0, val = 116}, {
+            name = 0x101b2758 "cache", has_arg = 1, flag = 0x0, val = 84}, {name = 0x101b25e8 "object", has_arg = 1, flag = 0x0, val = 256}, {
+            name = 0x101b2760 "trace", has_arg = 0, flag = 0x0, val = 257}, {name = 0x101b1c48 "force-share", has_arg = 0, flag = 0x0, val = 85}, {name = 0x0,
+            has_arg = 0, flag = 0x0, val = 0}}
+        c = -1
+        opt_index = 0
+        flags = 16386
+        writethrough = true
+        local_error = 0x0
+        opts = 0x0
+        format = 0x0
+        trace_file = 0x0
+        force_share = false
+
+image_fuzzer image will be attached.
\ No newline at end of file