bisecting fixing commit since 2b79150141611d3c6e1b55d4e70f49602482f0b8
building syzkaller on 8bc4594f832068a30c0eff44d468311780057d1f
testing commit 2b79150141611d3c6e1b55d4e70f49602482f0b8
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: b3616d2d6b3610f1009092803a579e8650eba25a57aba7d559d872208265f188
run #0: crashed: WARNING in kill_block_super
run #1: crashed: WARNING in corrupted
run #2: crashed: WARNING in kill_block_super
run #3: crashed: WARNING in kill_block_super
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 corrupted
run #8: crashed: WARNING in kill_block_super
run #9: crashed: WARNING in kill_block_super
run #10: crashed: WARNING in corrupted
run #11: crashed: WARNING in kill_block_super
run #12: crashed: WARNING in kill_block_super
run #13: crashed: WARNING in kill_block_super
run #14: crashed: WARNING in kill_block_super
run #15: crashed: WARNING in corrupted
run #16: crashed: WARNING in kill_block_super
run #17: OK
run #18: OK
run #19: OK
testing current HEAD f96eb53cbd76415edfba99c2cfa88567a885a428
testing commit f96eb53cbd76415edfba99c2cfa88567a885a428
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 68432f8a88aae5168d1bd116f64d7ea3431430c2b368827e62f1de265b232b1b
all runs: crashed: unregister_netdevice: waiting for DEV to become free
revisions tested: 2, total time: 36m59.890113868s (build: 21m38.463702669s, test: 14m54.621271733s)
the crash still happens on HEAD
commit msg: Linux 4.14.246
crash: unregister_netdevice: waiting for DEV to become free
Bluetooth: hci2 command 0x0409 tx timeout
unregister_netdevice: waiting for ip6gre0 to become free. Usage count = -1
Bluetooth: hci1 command 0x0409 tx timeout
Bluetooth: hci5 command 0x0409 tx timeout
Bluetooth: hci4 command 0x0409 tx timeout
Bluetooth: hci0 command 0x0409 tx timeout
Bluetooth: hci3 command 0x0409 tx timeout
Bluetooth: hci2 command 0x041b tx timeout
Bluetooth: hci3 command 0x041b tx timeout
Bluetooth: hci4 command 0x041b tx timeout
Bluetooth: hci5 command 0x041b tx timeout
Bluetooth: hci0 command 0x041b tx timeout
Bluetooth: hci1 command 0x041b 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: hci3 command 0x040f tx timeout
Bluetooth: hci4 command 0x040f 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: hci0 command 0x0419 tx timeout
Bluetooth: hci1 command 0x0419 tx timeout