bisecting fixing commit since 3f2ecb86cb909da0b9157fd2952ad79924cbe5ae
building syzkaller on c2c1d1dd603b7d66d283253ffbd61b8692712bd2
testing commit 3f2ecb86cb909da0b9157fd2952ad79924cbe5ae
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 0791664394fe15279539e76f10f68a46f1b170aa1be39b2a23b65e006f12a0a2
run #0: crashed: inconsistent lock state in free_huge_page
run #1: crashed: inconsistent lock state in free_huge_page
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: inconsistent lock state in free_huge_page
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: possible deadlock in sk_clone_lock
run #14: crashed: inconsistent lock state in free_huge_page
run #15: crashed: possible deadlock in sk_clone_lock
run #16: crashed: inconsistent lock state in free_huge_page
run #17: crashed: possible deadlock in sk_clone_lock
run #18: crashed: possible deadlock in sk_clone_lock
run #19: crashed: possible deadlock in sk_clone_lock
testing current HEAD 15a1c6b6f5162f7b70cf9a77cd8ed9771c1f0b53
testing commit 15a1c6b6f5162f7b70cf9a77cd8ed9771c1f0b53
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 5d6b7dc0eea7de763b6c7fe192a8255a9b56c3f4c651bba757c6a1f07856c652
all runs: crashed: unregister_netdevice: waiting for DEV to become free
revisions tested: 2, total time: 27m37.118812071s (build: 15m14.69145743s, test: 11m57.840954512s)
the crash still happens on HEAD
commit msg: Linux 4.14.276
crash: unregister_netdevice: waiting for DEV to become free
Bluetooth: hci3 command 0x0409 tx timeout
Bluetooth: hci2 command 0x0409 tx timeout
Bluetooth: hci1 command 0x0409 tx timeout
Bluetooth: hci0 command 0x0409 tx timeout
Bluetooth: hci5 command 0x0409 tx timeout
unregister_netdevice: waiting for ip6gre0 to become free. Usage count = -1
Bluetooth: hci5 command 0x041b tx timeout
Bluetooth: hci0 command 0x041b tx timeout
Bluetooth: hci1 command 0x041b tx timeout
Bluetooth: hci2 command 0x041b tx timeout
Bluetooth: hci3 command 0x041b tx timeout
Bluetooth: hci4 command 0x041b tx timeout
Bluetooth: hci4 command 0x040f tx timeout
Bluetooth: hci3 command 0x040f tx timeout
Bluetooth: hci2 command 0x040f tx timeout
Bluetooth: hci1 command 0x040f tx timeout
Bluetooth: hci0 command 0x040f tx timeout
Bluetooth: hci5 command 0x040f tx timeout
Bluetooth: hci5 command 0x0419 tx timeout
Bluetooth: hci0 command 0x0419 tx timeout
Bluetooth: hci1 command 0x0419 tx timeout
Bluetooth: hci2 command 0x0419 tx timeout
Bluetooth: hci3 command 0x0419 tx timeout
Bluetooth: hci4 command 0x0419 tx timeout