1 files changed, 74 insertions, 0 deletions
diff --git a/results/classifier/118/performance/1840865 b/results/classifier/118/performance/1840865
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+++ b/results/classifier/118/performance/1840865
@@ -0,0 +1,74 @@
+performance: 0.825
+device: 0.805
+ppc: 0.796
+PID: 0.795
+graphic: 0.769
+register: 0.686
+files: 0.669
+peripherals: 0.606
+VMM: 0.601
+network: 0.586
+debug: 0.584
+vnc: 0.575
+TCG: 0.570
+kernel: 0.558
+permissions: 0.553
+x86: 0.529
+mistranslation: 0.513
+socket: 0.509
+semantic: 0.476
+arm: 0.449
+architecture: 0.429
+risc-v: 0.413
+user-level: 0.409
+i386: 0.404
+virtual: 0.397
+boot: 0.383
+hypervisor: 0.291
+KVM: 0.181
+assembly: 0.158
+
+qemu crashes when doing iotest on  virtio-9p filesystem 
+
+Qemu crashes when doing avocado-vt test on virtio-9p filesystem.
+This bug can be reproduced running https://github.com/autotest/tp-qemu/blob/master/qemu/tests/9p.py.
+The crash stack goes like:
+
+Program terminated with signal SIGSEGV, Segmentation fault.
+#0  v9fs_mark_fids_unreclaim (pdu=pdu@entry=0xaaab00046868, path=path@entry=0xffff851e2fa8)
+    at hw/9pfs/9p.c:505
+#1  0x0000aaaae3585acc in v9fs_unlinkat (opaque=0xaaab00046868) at hw/9pfs/9p.c:2590
+#2  0x0000aaaae3811c10 in coroutine_trampoline (i0=<optimized out>, i1=<optimized out>)
+    at util/coroutine-ucontext.c:116
+#3  0x0000ffffa13ddb20 in ?? () from /lib64/libc.so.6
+Backtrace stopped: not enough registers or memory available to unwind further
+
+A segment fault is triggered at hw/9pfs/9p.c line 505
+
+    for (fidp = s->fid_list; fidp; fidp = fidp->next) {
+        if (fidp->path.size != path->size) {     # fidp is invalid 
+            continue;
+        }
+
+(gdb) p path
+$10 = (V9fsPath *) 0xffff851e2fa8
+(gdb) p *path
+$11 = {size = 21, data = 0xaaaafed6f420 "./9p_test/p2a1/d0/f1"}
+(gdb) p *fidp
+Cannot access memory at address 0x101010101010101
+(gdb) p *pdu
+$12 = {size = 19, tag = 54, id = 76 'L', cancelled = 0 '\000', complete = {entries = {
+      sqh_first = 0x0, sqh_last = 0xaaab00046870}}, s = 0xaaab000454b8, next = {
+    le_next = 0xaaab000467c0, le_prev = 0xaaab00046f88}, idx = 88}
+(gdb) 
+
+Address Sanitizer shows error and saying that there is a heap-use-after-free on *fidp*.
+
+
+This is an automated cleanup. This bug report has been moved to QEMU's
+new bug tracker on gitlab.com and thus gets marked as 'expired' now.
+Please continue with the discussion here:
+
+ https://gitlab.com/qemu-project/qemu/-/issues/181
+
+