ASan: Unauthorized Access in file

ASan: Unauthorized Access in file_ctor

Status: closed as invalid on 2019/04/08 18:40
Reported-by: syzbot+abeb8f465f73c7555d29@syzkaller.appspotmail.com
First crash: 2076d, last: 2056d

▶ ▼ Duplicate bugs (2)

duplicates (2):
Title	Repro	Cause bisect	Fix bisect	Count	Last	Reported	Patched	Status
ASan: Unauthorized Access in open syscall				2	2085d	2086d	0/3	closed as dup on 2019/04/07 08:40
ASan: Unauthorized Access in file_ctor (2)				1	2028d	2028d	0/3	closed as dup on 2019/05/05 07:56

▶ ▼ Similar bugs (1)

Kernel	Title	Repro	Cause bisect	Fix bisect	Count	Last	Reported	Patched	Status
netbsd	ASan: Unauthorized Access in file_ctor (2)				1	2028d	2028d	0/3	closed as dup on 2019/05/05 07:56

Sample crash report:

[ 1098.7489767] ASan: Unauthorized Access In 0xffffffff80f67864: Addr 0xffffbd8012f790a8 [8 bytes, read, RedZone]
[ 1098.7637555] #0 0xffffffff80f67864 in file_ctor <netbsd>
[ 1098.7775152] #1 0xffffffff81002155 in pool_cache_get_slow <netbsd>
[ 1098.7775152] #2 0xffffffff810044e4 in pool_cache_get_paddr <netbsd>
[ 1098.7979554] #3 0xffffffff80f6abfc in fd_allocfile <netbsd>
[ 1098.8072235] #4 0xffffffff810272aa in pipe1 <netbsd>
[ 1098.8207191] #5 0xffffffff8101c612 in sys_pipe2 <netbsd>
[ 1098.8207191] #6 0xffffffff80fb0644 in sys___syscall <netbsd>
[ 1098.8395093] #7 0xffffffff8026b3ae in syscall <netbsd>
2019/04/06 00:41:34 executed programs: 26
2019/04/06 00:41:39 executed programs: 162
2019/04/06 00:41:44 executed programs: 300

Crashes (7):
Time	Kernel	Commit	Syzkaller	Log	Report	Syz repro	Manager
2019/04/06 05:37	netbsd	c2452c62ad22	fa763482	console log	report	syz	ci2-netbsd
2019/03/26 02:58	netbsd	6eb76e802b22	52a20ba4	console log	report		ci2-netbsd
2019/03/21 23:18	netbsd	f4c3b2df5c66	dce6e62f	console log	report		ci2-netbsd
2019/03/20 16:37	netbsd	6e79b7c8422e	d4aacfdb	console log	report		ci2-netbsd
2019/03/19 12:15	netbsd	21d6506aaa91	e4549234	console log	report		ci2-netbsd
2019/03/18 23:55	netbsd	532dd151dfbf	46264c32	console log	report		ci2-netbsd
2019/03/17 02:00	netbsd	07e144121719	bab43553	console log	report		ci2-netbsd

* ~~Struck through~~ repros no longer work on HEAD.