bisecting cause commit starting from 007b350a58754a93ca9fe50c498cc27780171153
building syzkaller on 84fd4c773bfadac5884483a7ddff60c6bedd1dff
testing commit 007b350a58754a93ca9fe50c498cc27780171153 with gcc (GCC) 10.2.1 20210217
kernel signature: 774d7be2808105a92ebd6a59201d90932410939a9e099c0ebdd92deca731f965
run #0: basic kernel testing failed: BUG: sleeping function called from invalid context in stack_depot_save
run #1: OK
run #2: OK
run #3: OK
run #4: OK
run #5: OK
run #6: OK
run #7: OK
run #8: OK
run #9: OK
run #10: OK
run #11: OK
run #12: OK
run #13: OK
run #14: OK
run #15: OK
run #16: OK
run #17: OK
run #18: OK
run #19: OK
revisions tested: 1, total time: 16m29.636932221s (build: 6m58.115365409s, test: 9m10.336485994s)
error: the crash wasn't reproduced on the original commit