syzbot


SYZFAIL: writev failed (2)

Status: upstream: reported on 2025/05/09 04:38
Reported-by: syzbot+443e65ac0c7bfc1259db@syzkaller.appspotmail.com
First crash: 113d, last: 70d
Similar bugs (4)
Kernel Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream SYZFAIL: writev failed -1 1 1560d 1560d 0/29 auto-closed as invalid on 2021/08/21 05:38
upstream SYZFAIL: writev failed (2) -1 2 1381d 1397d 0/29 auto-closed as invalid on 2022/02/16 08:36
linux-4.14 SYZFAIL: writev failed -1 1 1581d 1581d 0/1 auto-closed as invalid on 2021/08/30 10:09
linux-6.1 SYZFAIL: writev failed -1 1 307d 307d 0/3 auto-obsoleted due to no activity on 2025/02/03 15:44

Sample crash report:
SYZFAIL: writev failed
 (errno 6: No such device or address)
loop exited with status 67
SYZFAIL: ebtable checkpoint: socket(AF_INET, SOCK_STREAM, IPPROTO_TCP)
 (errno 1: Operation not permitted)
loop exited with status 67
SYZFAIL: ebtable checkpoint: socket(AF_INET, SOCK_STREAM, IPPROTO_TCP)
 (errno 1: Operation not permitted)
loop exited with status 67
SYZFAIL: ebtable checkpoint: socket(AF_INET, SOCK_STREAM, IPPROTO_TCP)
 (errno 1: Operation not permitted)
loop exited with status 67
SYZFAIL: ebtable checkpoint: socket(AF_INET, SOCK_STREAM, IPPROTO_TCP)
 (errno 1: Operation not permitted)
loop exited with status 67
SYZFAIL: ebtable checkpoint: socket(AF_INET, SOCK_STREAM, IPPROTO_TCP)
 (errno 1: Operation not permitted)
loop exited with status 67
SYZFAIL: ebtable checkpoint: socket(AF_INET, SOCK_STREAM, IPPROTO_TCP)
 (errno 1: Operation not permitted)
loop exited with status 67
SYZFAIL: ebtable checkpoint: socket(AF_INET, SOCK_STREAM, IPPROTO_TCP)
 (errno 1: Operation not permitted)
loop exited with status 67
SYZFAIL: ebtable checkpoint: socket(AF_INET, SOCK_STREAM, IPPROTO_TCP)
 (errno 1: Operation not permitted)
loop exited with status 67
SYZFAIL: ebtable checkpoint: socket(AF_INET, SOCK_STREAM, IPPROTO_TCP)
 (errno 1: Operation not permitted)
loop exited with status 67
SYZFAIL: ebtable checkpoint: socket(AF_INET, SOCK_STREAM, IPPROTO_TCP)
 (errno 1: Operation not permitted)
loop exited with status 67
SYZFAIL: ebtable checkpoint: socket(AF_INET, SOCK_STREAM, IPPROTO_TCP)
 (errno 1: Operation not permitted)
loop exited with status 67
SYZFAIL: ebtable checkpoint: socket(AF_INET, SOCK_STREAM, IPPROTO_TCP)
 (errno 1: Operation not permitted)
loop exited with status 67
SYZFAIL: ebtable checkpoint: socket(AF_INET, SOCK_STREAM, IPPROTO_TCP)
 (errno 1: Operation not permitted)
loop exited with status 67
SYZFAIL: ebtable checkpoint: socket(AF_INET, SOCK_STREAM, IPPROTO_TCP)
 (errno 1: Operation not permitted)
loop exited with status 67
SYZFAIL: ebtable checkpoint: socket(AF_INET, SOCK_STREAM, IPPROTO_TCP)
 (errno 1: Operation not permitted)
loop exited with status 67
SYZFAIL: ebtable checkpoint: socket(AF_INET, SOCK_STREAM, IPPROTO_TCP)
 (errno 1: Operation not permitted)
loop exited with status 67
SYZFAIL: ebtable checkpoint: socket(AF_INET, SOCK_STREAM, IPPROTO_TCP)
 (errno 1: Operation not permitted)
loop exited with status 67
SYZFAIL: ebtable checkpoint: socket(AF_INET, SOCK_STREAM, IPPROTO_TCP)
 (errno 1: Operation not permitted)
loop exited with status 67
SYZFAIL: ebtable checkpoint: socket(AF_INET, SOCK_STREAM, IPPROTO_TCP)
 (errno 1: Operation not permitted)
loop exited with status 67
SYZFAIL: repeatedly failed to execute the program
proc=1 req=52 state=3 status=67 (errno 9: Bad file descriptor)

Crashes (2):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2025/05/09 04:38 linux-6.1.y ac7079a42ea5 bb813bcc .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan SYZFAIL: writev failed
2025/06/21 09:46 linux-6.1.y 58485ff1a74f d6cdfb8a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 SYZFAIL: writev failed
* Struck through repros no longer work on HEAD.