bisecting fixing commit since 1752938529c614a8ed4432ecce6ebc95d3b87207
building syzkaller on c104d4a3bfc1f83e7ed33b4dca70e099402ce39f
testing commit 1752938529c614a8ed4432ecce6ebc95d3b87207
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 886d63b9407580a17a2fb71f65eece3f2356ed12d6a2b67ce6b6adb830a8bf6b
run #0: crashed: INFO: task hung in sync_inodes_sb
run #1: crashed: INFO: task hung in sync_inodes_sb
run #2: crashed: INFO: task hung in sync_inodes_sb
run #3: crashed: INFO: task hung in sync_inodes_sb
run #4: crashed: INFO: task hung in sync_inodes_sb
run #5: crashed: INFO: task hung in sync_inodes_sb
run #6: crashed: INFO: task hung in corrupted
run #7: crashed: INFO: task hung in sync_inodes_sb
run #8: crashed: INFO: task hung in sync_inodes_sb
run #9: crashed: INFO: task hung in sync_inodes_sb
run #10: crashed: INFO: task hung in sync_inodes_sb
run #11: crashed: INFO: task hung in sync_inodes_sb
run #12: crashed: INFO: task hung in sync_inodes_sb
run #13: crashed: INFO: task hung in sync_inodes_sb
run #14: crashed: INFO: task hung in sync_inodes_sb
run #15: crashed: INFO: task hung in sync_inodes_sb
run #16: crashed: INFO: task hung in sync_inodes_sb
run #17: crashed: INFO: task hung in sync_inodes_sb
run #18: crashed: INFO: task hung in sync_inodes_sb
run #19: crashed: INFO: task hung in sync_inodes_sb
testing current HEAD 74766a973637a02c32c04c1c6496e114e4855239
testing commit 74766a973637a02c32c04c1c6496e114e4855239
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: da6783989360192161d0ccfcf1f66550bd4183aac0ac8937d86318bc45f2cf6c
all runs: crashed: unregister_netdevice: waiting for DEV to become free
revisions tested: 2, total time: 29m56.825308243s (build: 19m41.646055694s, test: 9m45.123890228s)
the crash still happens on HEAD
commit msg: Linux 4.14.275
crash: unregister_netdevice: waiting for DEV to become free
Bluetooth: hci1 command 0x0409 tx timeout
Bluetooth: hci3 command 0x0409 tx timeout
Bluetooth: hci0 command 0x0409 tx timeout
Bluetooth: hci2 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: hci2 command 0x041b tx timeout
Bluetooth: hci0 command 0x041b tx timeout
Bluetooth: hci3 command 0x041b tx timeout
Bluetooth: hci1 command 0x041b tx timeout
Bluetooth: hci4 command 0x041b tx timeout
Bluetooth: hci4 command 0x040f tx timeout
Bluetooth: hci1 command 0x040f tx timeout
Bluetooth: hci3 command 0x040f tx timeout
Bluetooth: hci0 command 0x040f tx timeout
Bluetooth: hci2 command 0x040f tx timeout
Bluetooth: hci5 command 0x040f tx timeout
Bluetooth: hci5 command 0x0419 tx timeout
Bluetooth: hci2 command 0x0419 tx timeout
Bluetooth: hci0 command 0x0419 tx timeout
Bluetooth: hci3 command 0x0419 tx timeout
Bluetooth: hci1 command 0x0419 tx timeout
Bluetooth: hci4 command 0x0419 tx timeout