bisecting fixing commit since 5287773dba0d5228c9714827b7ba9153b863e2b3 building syzkaller on e2d91b1d0dd8c8b4760986ec8114469246022bb8 testing commit 5287773dba0d5228c9714827b7ba9153b863e2b3 compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: bb7ab743ea3b5a579336a8e550e259ce564a8fe7999073ce3283bbf5a885eb01 run #0: crashed: kernel BUG in blk_mq_end_request run #1: crashed: kernel BUG in blk_mq_end_request run #2: crashed: kernel BUG in blk_mq_end_request run #3: crashed: kernel BUG in blk_mq_end_request run #4: crashed: kernel BUG in blk_mq_end_request run #5: OK run #6: crashed: no output from test machine run #7: crashed: no output from test machine run #8: crashed: no output from test machine run #9: crashed: no output from test machine run #10: crashed: no output from test machine run #11: crashed: no output from test machine run #12: crashed: no output from test machine run #13: crashed: no output from test machine run #14: crashed: no output from test machine run #15: crashed: no output from test machine run #16: crashed: no output from test machine run #17: crashed: no output from test machine run #18: crashed: no output from test machine run #19: crashed: no output from test machine testing current HEAD e08dd85cc95e42e6a63acb841f01ccff64dd8fa7 testing commit e08dd85cc95e42e6a63acb841f01ccff64dd8fa7 compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 2308f3e7168a731a1642011657089fc50a9b9ccfe4e85f68f3551f39c1db3a63 run #0: crashed: kernel BUG in blk_mq_end_request run #1: crashed: no output from test machine run #2: crashed: no output from test machine run #3: crashed: no output from test machine run #4: crashed: no output from test machine run #5: crashed: no output from test machine run #6: crashed: no output from test machine run #7: crashed: no output from test machine run #8: crashed: no output from test machine run #9: crashed: no output from test machine revisions tested: 2, total time: 24m16.553153186s (build: 9m5.006092548s, test: 14m45.419266672s) the crash still happens on HEAD commit msg: ANDROID: fix up abi issue with struct snd_pcm_runtime, again crash: no output from test machine