bisecting fixing commit since 3f2ecb86cb909da0b9157fd2952ad79924cbe5ae
building syzkaller on c2c1d1dd603b7d66d283253ffbd61b8692712bd2
testing commit 3f2ecb86cb909da0b9157fd2952ad79924cbe5ae
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 06ad1bae912c2e1ea8d47a04044d3d4073b58a5683076357477ddc672488b4a6
run #0: crashed: inconsistent lock state in free_huge_page
run #1: crashed: possible deadlock in sk_clone_lock
run #2: crashed: inconsistent lock state in free_huge_page
run #3: crashed: inconsistent lock state in free_huge_page
run #4: crashed: inconsistent lock state in free_huge_page
run #5: crashed: inconsistent lock state in free_huge_page
run #6: crashed: possible deadlock in sk_clone_lock
run #7: crashed: inconsistent lock state in free_huge_page
run #8: crashed: inconsistent lock state in free_huge_page
run #9: crashed: inconsistent lock state in free_huge_page
run #10: crashed: inconsistent lock state in free_huge_page
run #11: crashed: inconsistent lock state in free_huge_page
run #12: crashed: inconsistent lock state in free_huge_page
run #13: crashed: inconsistent lock state in free_huge_page
run #14: crashed: inconsistent lock state in free_huge_page
run #15: crashed: inconsistent lock state in free_huge_page
run #16: crashed: inconsistent lock state in free_huge_page
run #17: crashed: inconsistent lock state in free_huge_page
run #18: crashed: possible deadlock in sk_clone_lock
run #19: crashed: possible deadlock in sk_clone_lock
testing current HEAD 5f9f3b0057d5c5782985784ba0159b05b4083055
testing commit 5f9f3b0057d5c5782985784ba0159b05b4083055
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 3bd65b5111a0bb08d4da4bcd10d67f44b86d2c5f4073a1897485067dcf5eff14
all runs: crashed: unregister_netdevice: waiting for DEV to become free
revisions tested: 2, total time: 27m33.725730564s (build: 15m4.179034359s, test: 12m4.935368351s)
the crash still happens on HEAD
commit msg: Linux 4.14.255
crash: unregister_netdevice: waiting for DEV to become free
Bluetooth: hci5 command 0x0409 tx timeout
Bluetooth: hci3 command 0x0409 tx timeout
Bluetooth: hci4 command 0x0409 tx timeout
Bluetooth: hci2 command 0x0409 tx timeout
Bluetooth: hci1 command 0x0409 tx timeout
unregister_netdevice: waiting for ip6gre0 to become free. Usage count = -1
Bluetooth: hci0 command 0x041b tx timeout
Bluetooth: hci2 command 0x041b tx timeout
Bluetooth: hci4 command 0x041b tx timeout
Bluetooth: hci3 command 0x041b tx timeout
Bluetooth: hci5 command 0x041b tx timeout
Bluetooth: hci1 command 0x041b tx timeout
Bluetooth: hci0 command 0x040f tx timeout
Bluetooth: hci5 command 0x040f tx timeout
Bluetooth: hci3 command 0x040f tx timeout
Bluetooth: hci4 command 0x040f tx timeout
Bluetooth: hci2 command 0x040f tx timeout
Bluetooth: hci1 command 0x040f tx timeout
Bluetooth: hci0 command 0x0419 tx timeout
Bluetooth: hci2 command 0x0419 tx timeout
Bluetooth: hci4 command 0x0419 tx timeout
Bluetooth: hci3 command 0x0419 tx timeout
Bluetooth: hci5 command 0x0419 tx timeout
Bluetooth: hci1 command 0x0419 tx timeout