ASan: Unauthorized Access In ADDR: Addr ADDR [4 bytes, read, RedZone]

Title	Repro	Cause bisect	Fix bisect	Count	Last	Reported
ASan: Unauthorized Access in vioscsi_scsipi_request	syz			1841	2049d	2085d

duplicates (1):
Title	Repro	Cause bisect	Fix bisect	Count	Last	Reported	Patched	Status
ASan bug (3)	syz			47	2088d	2096d	0/3	closed as dup on 2019/03/07 12:56

login: [ 1426.5834579] ASan: Unauthorized Access In 0xffffffff816aebfd: Addr 0xffffbc001198f070 [4 bytes, read, RedZone]
[ 1426.7739370] #0 0xffffffff816aebfd in vioscsi_scsipi_request <netbsd>
[ 1426.7910805] #1 0xffffffff80288c6b in scsipi_adapter_request <netbsd>
[ 1426.8035741] #2 0xffffffff80288e62 in scsipi_run_queue <netbsd>
[ 1426.8145284] #3 0xffffffff80289b15 in scsipi_execute_xs <netbsd>
[ 1426.8265436] #4 0xffffffff802a1816 in sd_diskstart <netbsd>
[ 1426.8265436] #5 0xffffffff810b4266 in dk_start <netbsd>
[ 1426.8439398] #6 0xffffffff810a97e0 in spec_strategy <netbsd>
[ 1426.8551448] #7 0xffffffff810956bf in VOP_STRATEGY <netbsd>
[ 1426.8551448] #8 0xffffffff810519bd in bwrite <netbsd>
[ 1426.8734356] #9 0xffffffff80e6d506 in ffs_update <netbsd>
[ 1426.8837376] #10 0xffffffff80ef2ce2 in ufs_mkdir <netbsd>
[ 1426.8837376] #11 0xffffffff810943a5 in VOP_MKDIR <netbsd>
[ 1426.9026138] #12 0xffffffff8106e4f4 in do_sys_mkdirat.constprop.5 <netbsd>
[ 1426.9142260] #13 0xffffffff8026b02e in syscall <netbsd>
2019/03/06 11:52:42 executed programs: 7504
2019/03/06 11:52:47 executed programs: 7578