ci2 starts bisection 2022-10-20 06:45:00.083629294 +0000 UTC m=+160900.711940732
bisecting fixing commit since 14b58326976de6ef3998eefec1dd7f8b38b97a75
building syzkaller on 28ac5c9e93a44c3eb145195ffb55591be58ef510
ensuring issue is reproducible on original commit 14b58326976de6ef3998eefec1dd7f8b38b97a75

testing commit 14b58326976de6ef3998eefec1dd7f8b38b97a75 gcc
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 2b2153f61e9aa9015dd7e4672e7d3e1013eb179cd4f83a50fb020302edfccac2
run #0: crashed: BUG: corrupted list in l2cap_chan_put
run #1: crashed: KASAN: use-after-free Read in l2cap_sock_shutdown
run #2: crashed: KASAN: use-after-free Read in l2cap_sock_shutdown
run #3: crashed: KASAN: use-after-free Read in l2cap_sock_shutdown
run #4: crashed: KASAN: use-after-free Read in l2cap_sock_shutdown
run #5: crashed: BUG: corrupted list in l2cap_chan_put
run #6: crashed: BUG: corrupted list in l2cap_chan_put
run #7: crashed: BUG: corrupted list in l2cap_chan_put
run #8: crashed: KASAN: use-after-free Read in l2cap_chan_put
run #9: crashed: KASAN: use-after-free Read in l2cap_sock_shutdown
run #10: crashed: BUG: corrupted list in l2cap_chan_put
run #11: crashed: BUG: corrupted list in l2cap_chan_put
run #12: crashed: KASAN: use-after-free Read in l2cap_chan_put
run #13: crashed: BUG: corrupted list in l2cap_chan_put
run #14: crashed: BUG: corrupted list in l2cap_chan_put
run #15: crashed: BUG: corrupted list in l2cap_chan_put
run #16: crashed: KASAN: use-after-free Read in l2cap_sock_shutdown
run #17: crashed: BUG: corrupted list in l2cap_chan_put
run #18: crashed: KASAN: use-after-free Read in l2cap_sock_shutdown
run #19: crashed: KASAN: use-after-free Read in l2cap_sock_shutdown
testing current HEAD 9d5c0b3a8e1a8b6c4969f630803103978e8d17b6
testing commit 9d5c0b3a8e1a8b6c4969f630803103978e8d17b6 gcc
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 188afe76189b8352f790190ae5e5f9168ec0f7a8be95c65d288c3060f29fcb53
all runs: crashed: unregister_netdevice: waiting for DEV to become free
revisions tested: 2, total time: 34m14.370728548s (build: 20m24.352702674s, test: 12m51.559517672s)
the crash still happens on HEAD
commit msg: Linux 4.14.295
crash: unregister_netdevice: waiting for DEV to become free
IPVS: ftp: loaded support on port[0] = 21
can: request_module (can-proto-0) failed.
can: request_module (can-proto-0) failed.
can: request_module (can-proto-0) failed.
unregister_netdevice: waiting for ip6gre0 to become free. Usage count = -1
unregister_netdevice: waiting for ip6gre0 to become free. Usage count = -1