ci2 starts bisection 2022-09-15 15:44:19.46228759 +0000 UTC m=+32054.207335386
bisecting fixing commit since 14b58326976de6ef3998eefec1dd7f8b38b97a75
building syzkaller on 28ac5c9e93a44c3eb145195ffb55591be58ef510
testing commit 14b58326976de6ef3998eefec1dd7f8b38b97a75 gcc
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: d408a17fd58855cc3cda791ed401e2ca916486b42ef6bd0b74c8895a61daeb46
run #0: crashed: BUG: corrupted list in l2cap_chan_put
run #1: crashed: BUG: corrupted list in l2cap_chan_put
run #2: crashed: KASAN: use-after-free Read in l2cap_sock_shutdown
run #3: crashed: KASAN: use-after-free Write in ex_handler_refcount
run #4: crashed: KASAN: use-after-free Write in ex_handler_refcount
run #5: crashed: BUG: corrupted list in l2cap_chan_put
run #6: crashed: KASAN: use-after-free Read in l2cap_sock_shutdown
run #7: crashed: BUG: corrupted list in l2cap_chan_put
run #8: crashed: KASAN: use-after-free Read in l2cap_sock_shutdown
run #9: crashed: KASAN: use-after-free Read in l2cap_sock_shutdown
run #10: crashed: KASAN: use-after-free Read in l2cap_sock_shutdown
run #11: crashed: BUG: corrupted list in l2cap_chan_put
run #12: crashed: KASAN: use-after-free Read in l2cap_sock_shutdown
run #13: crashed: BUG: corrupted list in l2cap_chan_put
run #14: crashed: KASAN: use-after-free Read in l2cap_sock_shutdown
run #15: crashed: KASAN: use-after-free Read in l2cap_sock_shutdown
run #16: crashed: KASAN: use-after-free Read in l2cap_sock_shutdown
run #17: crashed: KASAN: use-after-free Read in l2cap_sock_shutdown
run #18: crashed: KASAN: use-after-free Read in l2cap_sock_shutdown
run #19: crashed: BUG: corrupted list in l2cap_chan_put
testing current HEAD 5df8b473517762e16c5a97c25941897640926a63
testing commit 5df8b473517762e16c5a97c25941897640926a63 gcc
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 7dbcf96556bec249239c064e155543236df72e4b70ef15a3f4ed8015bf3bf16c
all runs: crashed: unregister_netdevice: waiting for DEV to become free
revisions tested: 2, total time: 31m6.126265943s (build: 17m23.563195332s, test: 13m13.924901124s)
the crash still happens on HEAD
commit msg: Linux 4.14.293
crash: unregister_netdevice: waiting for DEV to become free
unregister_netdevice: waiting for ip6gre0 to become free. Usage count = -1