1 files changed, 90 insertions, 0 deletions

diff --git a/gitlab/issues/target_missing/host_missing/accel_missing/1815.toml b/gitlab/issues/target_missing/host_missing/accel_missing/1815.toml
new file mode 100644
index 000000000..ddcfc5aa6
--- /dev/null
+++ b/gitlab/issues/target_missing/host_missing/accel_missing/1815.toml
@@ -0,0 +1,90 @@
+id = 1815
+title = "Null pointer access in nvme_directive_receive()"
+state = "closed"
+created_at = "2023-08-06T05:30:10.529Z"
+closed_at = "2023-08-09T22:02:51.584Z"
+labels = ["Fuzzer", "block:NVMe", "kind::Bug"]
+url = "https://gitlab.com/qemu-project/qemu/-/issues/1815"
+host-os = "Ubuntu 20.04"
+host-arch = "x86_64"
+qemu-version = "commit at c167c80b46"
+guest-os = "n/a"
+guest-arch = "n/a"
+description = """Got an access within null pointer error when fuzzing nvme."""
+reproduce = """Minimized reproducer for the error:
+
+```plaintext
+cat << EOF | ./qemu-system-x86_64 -display none -machine accel=qtest, -m 512M -machine q35 \\
+-nodefaults -drive file=null-co://,if=none,format=raw,id=disk0 -device \\
+nvme,drive=disk0,serial=1 -qtest /dev/null -qtest stdio
+outl 0xcf8 0x80000810
+outl 0xcfc 0xe0000000
+outl 0xcf8 0x80000804
+outw 0xcfc 0x06
+write 0xe0000024 0x4 0x040002
+write 0xe0000014 0x4 0x61004600
+write 0xe0001000 0x1 0x04
+write 0x0 0x1 0x1a
+write 0x4 0x1 0x01
+write 0x2c 0x1 0x01
+EOF
+```"""
+additional = """The crash report triggered by the reproducer is:
+
+```plaintext
+[I 0.000000] OPENED
+[R +0.025407] outl 0xcf8 0x80000810
+[S +0.025443] OK
+OK
+[R +0.025456] outl 0xcfc 0xe0000000
+[S +0.025470] OK
+OK
+[R +0.025476] outl 0xcf8 0x80000804
+[S +0.025483] OK
+OK
+[R +0.025489] outw 0xcfc 0x06
+[S +0.025934] OK
+OK
+[R +0.025946] write 0xe0000024 0x4 0x040002
+[S +0.025958] OK
+OK
+[R +0.025964] write 0xe0000014 0x4 0x61004600
+[S +0.025988] OK
+OK
+[R +0.026025] write 0xe0001000 0x1 0x04
+[S +0.026041] OK
+OK
+[R +0.026048] write 0x0 0x1 0x1a
+[S +0.026256] OK
+OK
+[R +0.026268] write 0x4 0x1 0x01
+[S +0.026279] OK
+OK
+[R +0.026292] write 0x2c 0x1 0x01
+[S +0.026303] OK
+OK
+../hw/nvme/ctrl.c:6890:29: runtime error: member access within null pointer of type 'NvmeEnduranceGroup' (aka 'struct NvmeEnduranceGroup')
+SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior ../hw/nvme/ctrl.c:6890:29 in
+AddressSanitizer:DEADLYSIGNAL
+=================================================================
+==1085476==ERROR: AddressSanitizer: SEGV on unknown address 0x000000001fc8 (pc 0x56306b765ebf bp 0x7ffff17fd890 sp 0x7ffff17f6a00 T0)
+==1085476==The signal is caused by a READ memory access.
+    #0 0x56306b765ebf in nvme_directive_receive ../hw/nvme/ctrl.c:6890:33
+    #1 0x56306b765ebf in nvme_admin_cmd ../hw/nvme/ctrl.c:6958:16
+    #2 0x56306b765ebf in nvme_process_sq ../hw/nvme/ctrl.c:7015:13
+    #3 0x56306cda2c3b in aio_bh_call ../util/async.c:169:5
+    #4 0x56306cda3384 in aio_bh_poll ../util/async.c:216:13
+    #5 0x56306cd3f15b in aio_dispatch ../util/aio-posix.c:423:5
+    #6 0x56306cda72da in aio_ctx_dispatch ../util/async.c:358:5
+    #7 0x7fa321cc417c in g_main_context_dispatch (/lib/x86_64-linux-gnu/libglib-2.0.so.0+0x5217c) (BuildId: 5fdb313daf182a33a858ba2cc945211b11d34561)
+    #8 0x56306cda840f in glib_pollfds_poll ../util/main-loop.c:290:9
+    #9 0x56306cda840f in os_host_main_loop_wait ../util/main-loop.c:313:5
+    #10 0x56306cda840f in main_loop_wait ../util/main-loop.c:592:11
+    #11 0x56306bd17f76 in qemu_main_loop ../softmmu/runstate.c:732:9
+    #12 0x56306c721835 in qemu_default_main ../softmmu/main.c:37:14
+    #13 0x7fa320aeb082 in __libc_start_main /build/glibc-SzIz7B/glibc-2.31/csu/../csu/libc-start.c:308:16
+    #14 0x56306af0309d in _start (./qemu-system-x86_64+0x1e9109d)
+
+AddressSanitizer can not provide additional info.
+SUMMARY: AddressSanitizer: SEGV ../hw/nvme/ctrl.c:6890:33 in nvme_directive_receive
+```"""