Re: Assertion failure through virtio_blk_req_complete

2020-08-12 Thread Stefan Hajnoczi
On Mon, May 11, 2020 at 5:07 AM Alexander Bulekov wrote: > While fuzzing, I found an input that triggers an assertion through > virtio-blk.c: This reproducer does not work anymore in 5.1 but the underlying bug is still there so I am sending a patch series. Stefan

Re: Assertion failure through virtio_blk_req_complete

2020-05-21 Thread Stefan Hajnoczi
On Mon, May 11, 2020 at 12:06:22AM -0400, Alexander Bulekov wrote: > Hello, > While fuzzing, I found an input that triggers an assertion through > virtio-blk.c: > > void address_space_unmap(AddressSpace *, void *, hwaddr, int, hwaddr): > Assertion `mr != NULL' failed > > #8 0x7fa947707091 in __a

Assertion failure through virtio_blk_req_complete

2020-05-10 Thread Alexander Bulekov
Hello, While fuzzing, I found an input that triggers an assertion through virtio-blk.c: void address_space_unmap(AddressSpace *, void *, hwaddr, int, hwaddr): Assertion `mr != NULL' failed #8 0x7fa947707091 in __assert_fail /build/glibc-GwnBeO/glibc-2.30/assert/assert.c:101:3 #9 0x55ec68a73a97