bisecting fixing commit since cbfa1702aaf69b2311ea1b35e04f113c48368c67
building syzkaller on 5abc3f1ab298244473b613c289f1536e366fcf04
testing commit cbfa1702aaf69b2311ea1b35e04f113c48368c67
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 53bfe7c00f7cfe8dcd8cef3292ef5837f9f179df859f3bff1b125e10625b2f03
run #0: crashed: KASAN: use-after-free Read in diFree
run #1: crashed: KASAN: use-after-free Read in diFree
run #2: crashed: KASAN: use-after-free Read in diFree
run #3: crashed: general protection fault in diFree
run #4: crashed: KASAN: use-after-free Read in diFree
run #5: crashed: KASAN: use-after-free Read in diFree
run #6: crashed: KASAN: use-after-free Read in diFree
run #7: crashed: KASAN: use-after-free Read in diFree
run #8: crashed: KASAN: use-after-free Read in diFree
run #9: crashed: KASAN: use-after-free Read in diFree
run #10: crashed: KASAN: use-after-free Read in diFree
run #11: crashed: KASAN: use-after-free Read in diFree
run #12: crashed: KASAN: use-after-free Read in diFree
run #13: crashed: KASAN: use-after-free Read in diFree
run #14: crashed: KASAN: use-after-free Read in diFree
run #15: crashed: KASAN: use-after-free Read in diFree
run #16: crashed: KASAN: use-after-free Read in diFree
run #17: crashed: KASAN: use-after-free Read in diFree
run #18: crashed: general protection fault in diFree
run #19: crashed: KASAN: use-after-free Read in diFree
testing current HEAD 66722c42ec916e92cadda46316f8f6e3fdcaedc6
testing commit 66722c42ec916e92cadda46316f8f6e3fdcaedc6
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 57a8589baf2c91251f0b41e077856b0f7762e76a24c1e0d62e458c7a8231bf2f
all runs: crashed: unregister_netdevice: waiting for DEV to become free
revisions tested: 2, total time: 28m13.876360224s (build: 21m11.66555843s, test: 6m31.812335702s)
the crash still happens on HEAD
commit msg: Linux 4.14.256
crash: unregister_netdevice: waiting for DEV to become free
unregister_netdevice: waiting for ip6gre0 to become free. Usage count = -1
Bluetooth: hci2 command 0x0409 tx timeout
Bluetooth: hci5 command 0x0409 tx timeout
Bluetooth: hci4 command 0x0409 tx timeout
Bluetooth: hci0 command 0x0409 tx timeout
Bluetooth: hci1 command 0x0409 tx timeout
Bluetooth: hci3 command 0x0409 tx timeout
Bluetooth: hci0 command 0x041b tx timeout
Bluetooth: hci3 command 0x041b tx timeout
Bluetooth: hci4 command 0x041b tx timeout
Bluetooth: hci1 command 0x041b tx timeout
Bluetooth: hci5 command 0x041b tx timeout
Bluetooth: hci2 command 0x041b tx timeout
Bluetooth: hci2 command 0x040f tx timeout
Bluetooth: hci1 command 0x040f tx timeout
Bluetooth: hci5 command 0x040f tx timeout
Bluetooth: hci4 command 0x040f tx timeout
Bluetooth: hci3 command 0x040f tx timeout
Bluetooth: hci0 command 0x040f tx timeout
Bluetooth: hci0 command 0x0419 tx timeout
Bluetooth: hci3 command 0x0419 tx timeout
Bluetooth: hci4 command 0x0419 tx timeout
Bluetooth: hci5 command 0x0419 tx timeout
Bluetooth: hci1 command 0x0419 tx timeout
Bluetooth: hci2 command 0x0419 tx timeout