ci starts bisection 2023-04-09 00:32:12.470339115 +0000 UTC m=+85046.948808672
bisecting fixing commit since 180eca540ae06246d594bdd8d8213426a259cc8c
building syzkaller on 098b5d530648147c744a7c2eb8b78c1307f9d3ce
ensuring issue is reproducible on original commit 180eca540ae06246d594bdd8d8213426a259cc8c

testing commit 180eca540ae06246d594bdd8d8213426a259cc8c gcc
compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: 206da51865a31263f5697971cace77bc88dc99bbb1e7db270ed736b5ab925566
all runs: crashed: SYZFAIL: tun read failed
testing current HEAD 68047c48b2288803c441df9f3e61d0d26bed87df
testing commit 68047c48b2288803c441df9f3e61d0d26bed87df gcc
compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: a65e5a40ab951234cac1c23d56a419f4106a108144e1e81b73342e73351d30a5
run #0: crashed: SYZFAIL: tun read failed
run #1: crashed: SYZFAIL: wrong response packet
run #2: crashed: SYZFAIL: tun read failed
run #3: crashed: SYZFAIL: tun read failed
run #4: crashed: SYZFAIL: tun read failed
run #5: crashed: SYZFAIL: tun read failed
run #6: crashed: SYZFAIL: tun read failed
run #7: crashed: SYZFAIL: tun read failed
run #8: crashed: SYZFAIL: tun read failed
run #9: crashed: SYZFAIL: tun read failed
revisions tested: 2, total time: 23m36.75824087s (build: 15m6.420452573s, test: 7m24.555916379s)
the crash still happens on HEAD
commit msg: Merge tag 'char-misc-6.3-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
crash: SYZFAIL: tun read failed
2023/04/09 00:55:47 executor failed 11 times: executor 0: exit status 67
SYZFAIL: tun read failed
 (errno 9: Bad file descriptor)
SYZFAIL: child failed
 (errno 0: Success)
loop exited with status 67

SYZFAIL: tun read failed
 (errno 9: Bad file descriptor)
SYZFAIL: child failed
 (errno 0: Success)
loop exited with status 67