bisecting fixing commit since 5b7a52cd2eef952cee8a72512ef370bcdef46636
building syzkaller on 96e03c1c31a7f2e7f80b2d8b9f3df117df5030d1
testing commit 5b7a52cd2eef952cee8a72512ef370bcdef46636
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: bbba3e30d8bd8cf9f9308cf4e60effccb555619c46d0510ae212cf47492bbc4f
run #0: crashed: KASAN: use-after-free Read in ext4_xattr_set_entry
run #1: crashed: KASAN: use-after-free Read in ext4_xattr_set_entry
run #2: crashed: KASAN: use-after-free Read in ext4_xattr_set_entry
run #3: crashed: KASAN: use-after-free Read in ext4_xattr_set_entry
run #4: crashed: KASAN: use-after-free Read in ext4_xattr_set_entry
run #5: crashed: KASAN: use-after-free Read in ext4_xattr_set_entry
run #6: crashed: KASAN: out-of-bounds Read in ext4_xattr_set_entry
run #7: crashed: KASAN: use-after-free Read in ext4_xattr_set_entry
run #8: crashed: KASAN: use-after-free Read in ext4_xattr_set_entry
run #9: crashed: KASAN: use-after-free Read in ext4_xattr_set_entry
run #10: crashed: KASAN: use-after-free Read in ext4_xattr_set_entry
run #11: crashed: KASAN: use-after-free Read in ext4_xattr_set_entry
run #12: crashed: KASAN: use-after-free Read in ext4_xattr_set_entry
run #13: crashed: KASAN: use-after-free Read in ext4_xattr_set_entry
run #14: crashed: KASAN: use-after-free Read in ext4_xattr_set_entry
run #15: crashed: KASAN: use-after-free Read in ext4_xattr_set_entry
run #16: crashed: KASAN: use-after-free Read in ext4_xattr_set_entry
run #17: crashed: KASAN: use-after-free Read in ext4_xattr_set_entry
run #18: crashed: KASAN: use-after-free Read in ext4_xattr_set_entry
run #19: crashed: KASAN: use-after-free Read in ext4_xattr_set_entry
testing current HEAD 4ba8e26127c393c32776dff6d79c5b82de6dc542
testing commit 4ba8e26127c393c32776dff6d79c5b82de6dc542
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 41d88e5d2a2e2d0b288921c3f11fb165bcb8155f4320aacfe65f1bdf40ab9984
all runs: crashed: unregister_netdevice: waiting for DEV to become free
revisions tested: 2, total time: 23m37.545748293s (build: 15m37.004815955s, test: 7m35.979517187s)
the crash still happens on HEAD
commit msg: Linux 4.14.262
crash: unregister_netdevice: waiting for DEV to become free
Bluetooth: hci5 command 0x0409 tx timeout
Bluetooth: hci2 command 0x0409 tx timeout
Bluetooth: hci1 command 0x0409 tx timeout
Bluetooth: hci4 command 0x0409 tx timeout
Bluetooth: hci0 command 0x0409 tx timeout
unregister_netdevice: waiting for ip6gre0 to become free. Usage count = -1
Bluetooth: hci3 command 0x041b tx timeout
Bluetooth: hci0 command 0x041b tx timeout
Bluetooth: hci4 command 0x041b tx timeout
Bluetooth: hci1 command 0x041b tx timeout
Bluetooth: hci2 command 0x041b tx timeout
Bluetooth: hci5 command 0x041b tx timeout
Bluetooth: hci3 command 0x040f tx timeout
Bluetooth: hci5 command 0x040f tx timeout
Bluetooth: hci2 command 0x040f tx timeout
Bluetooth: hci1 command 0x040f tx timeout
Bluetooth: hci4 command 0x040f tx timeout
Bluetooth: hci0 command 0x040f tx timeout
Bluetooth: hci3 command 0x0419 tx timeout
Bluetooth: hci5 command 0x0419 tx timeout
Bluetooth: hci1 command 0x0419 tx timeout
Bluetooth: hci0 command 0x0419 tx timeout
Bluetooth: hci4 command 0x0419 tx timeout
Bluetooth: hci2 command 0x0419 tx timeout