bisecting fixing commit since 7d7d1c0ab3eb7c8d8f63a126535018007823b207
building syzkaller on 77e2b66864e69c17416614228723a1ebd3581ddc
testing commit 7d7d1c0ab3eb7c8d8f63a126535018007823b207
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 5f419e2a1444485f5d279e8e0e6b20684ed5567dde34bcd3aefbe80e22e2dadf
all runs: crashed: kernel BUG in ext4_mb_load_buddy_gfp
testing current HEAD e3a56aaade89bc89f33baec11b12538fc22536e2
testing commit e3a56aaade89bc89f33baec11b12538fc22536e2
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: b353159ab8b799c8c8d42e74342259b2699aee51748d16fd6d62b3c350b76561
all runs: crashed: unregister_netdevice: waiting for DEV to become free
revisions tested: 2, total time: 21m47.942676719s (build: 15m8.856366027s, test: 6m14.588613498s)
the crash still happens on HEAD
commit msg: Linux 4.14.277
crash: unregister_netdevice: waiting for DEV to become free
Bluetooth: hci0 command 0x0409 tx timeout
unregister_netdevice: waiting for ip6gre0 to become free. Usage count = -1
Bluetooth: hci0 command 0x041b tx timeout
Bluetooth: hci0 command 0x040f tx timeout
Bluetooth: hci0 command 0x0419 tx timeout