bisecting fixing commit since cf256fbcbe347b7d0ff58fe2dfa382a156bd3694
building syzkaller on 95777977ade5226323e35e6e5fa1594327640732
testing commit cf256fbcbe347b7d0ff58fe2dfa382a156bd3694
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 55f76cb34152b1e10a7bfce9d62d3370c31ab11ad9c0bd923f7fdb22495e0253
run #0: crashed: WARNING in kill_block_super
run #1: crashed: WARNING in corrupted
run #2: crashed: WARNING in efs_kill_sb
run #3: crashed: WARNING in corrupted
run #4: crashed: WARNING in corrupted
run #5: crashed: WARNING in kill_block_super
run #6: crashed: WARNING in kill_block_super
run #7: crashed: WARNING in kill_block_super
run #8: crashed: WARNING in corrupted
run #9: crashed: WARNING in efs_kill_sb
run #10: crashed: WARNING in corrupted
run #11: crashed: WARNING in efs_kill_sb
run #12: crashed: WARNING in corrupted
run #13: crashed: WARNING in corrupted
run #14: crashed: WARNING in kill_block_super
run #15: crashed: WARNING in corrupted
run #16: crashed: WARNING in kill_block_super
run #17: crashed: WARNING in efs_kill_sb
run #18: crashed: WARNING in corrupted
run #19: boot failed: kernel panic: VFS: Unable to mount root fs on unknown-block(8,1)
testing current HEAD 964f3712e6a7447d9d3203f2be3f6c50e78ea179
testing commit 964f3712e6a7447d9d3203f2be3f6c50e78ea179
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 683bb817b5efda400ec8716dd4204bacb64f9c5c0f4ae884ef61350c8218dcac
all runs: crashed: unregister_netdevice: waiting for DEV to become free
revisions tested: 2, total time: 29m57.994941764s (build: 15m22.287333296s, test: 14m13.819811192s)
the crash still happens on HEAD
commit msg: Linux 4.14.240
crash: unregister_netdevice: waiting for DEV to become free
unregister_netdevice: waiting for ip6gre0 to become free. Usage count = -1
Bluetooth: hci4 command 0x0409 tx timeout
Bluetooth: hci0 command 0x0409 tx timeout
Bluetooth: hci3 command 0x0409 tx timeout
Bluetooth: hci2 command 0x0409 tx timeout
Bluetooth: hci5 command 0x0409 tx timeout
Bluetooth: hci1 command 0x0409 tx timeout
Bluetooth: hci1 command 0x041b tx timeout
Bluetooth: hci5 command 0x041b tx timeout
Bluetooth: hci2 command 0x041b tx timeout
Bluetooth: hci3 command 0x041b tx timeout
Bluetooth: hci0 command 0x041b tx timeout
Bluetooth: hci4 command 0x041b tx timeout
Bluetooth: hci4 command 0x040f tx timeout
Bluetooth: hci0 command 0x040f tx timeout
Bluetooth: hci3 command 0x040f tx timeout
Bluetooth: hci2 command 0x040f tx timeout
Bluetooth: hci5 command 0x040f tx timeout
Bluetooth: hci1 command 0x040f tx timeout
Bluetooth: hci1 command 0x0419 tx timeout
Bluetooth: hci5 command 0x0419 tx timeout
Bluetooth: hci2 command 0x0419 tx timeout
Bluetooth: hci3 command 0x0419 tx timeout
Bluetooth: hci0 command 0x0419 tx timeout
Bluetooth: hci4 command 0x0419 tx timeout