ci2 starts bisection 2022-11-14 09:04:24.829718601 +0000 UTC m=+58027.681687222
bisecting fixing commit since 7d7d1c0ab3eb7c8d8f63a126535018007823b207
building syzkaller on a343ba6b077a3efe7feb57783dcbb7496d2c3572
ensuring issue is reproducible on original commit 7d7d1c0ab3eb7c8d8f63a126535018007823b207

testing commit 7d7d1c0ab3eb7c8d8f63a126535018007823b207 gcc
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: dc2814388731351cc69d3d0c86fbaac544c01a1a055714cd79f48d67644b4ff7
run #0: crashed: INFO: task hung in grab_super
run #1: crashed: INFO: task hung in grab_super
run #2: crashed: INFO: task hung in grab_super
run #3: crashed: INFO: task hung in grab_super
run #4: crashed: INFO: task hung in grab_super
run #5: crashed: INFO: task hung in grab_super
run #6: crashed: INFO: task hung in grab_super
run #7: crashed: INFO: task hung in grab_super
run #8: crashed: INFO: task hung in grab_super
run #9: crashed: INFO: task hung in grab_super
run #10: crashed: INFO: task hung in grab_super
run #11: crashed: INFO: task hung in grab_super
run #12: crashed: INFO: task hung in grab_super
run #13: crashed: INFO: task hung in grab_super
run #14: crashed: INFO: task hung in grab_super
run #15: crashed: INFO: task hung in grab_super
run #16: crashed: INFO: task hung in grab_super
run #17: crashed: no output from test machine
run #18: crashed: no output from test machine
run #19: crashed: no output from test machine
testing current HEAD e911713e40ca73142b455ccfde2d7c0b0984c008
testing commit e911713e40ca73142b455ccfde2d7c0b0984c008 gcc
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 62f796012f6d6d627ee13474bee062236cf51b4d711fa338b20a707e31dcf8ba
all runs: crashed: unregister_netdevice: waiting for DEV to become free
revisions tested: 2, total time: 30m10.14721075s (build: 17m48.086300804s, test: 11m52.215006926s)
the crash still happens on HEAD
commit msg: Linux 4.14.299
crash: unregister_netdevice: waiting for DEV to become free
Bluetooth: hci3 command 0x0409 tx timeout
Bluetooth: hci5 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: hci0 command 0x041b tx timeout
Bluetooth: hci3 command 0x041b tx timeout
Bluetooth: hci2 command 0x041b tx timeout
Bluetooth: hci4 command 0x041b tx timeout
Bluetooth: hci1 command 0x041b tx timeout
Bluetooth: hci5 command 0x041b tx timeout
Bluetooth: hci5 command 0x040f tx timeout
Bluetooth: hci1 command 0x040f tx timeout
Bluetooth: hci4 command 0x040f tx timeout
Bluetooth: hci2 command 0x040f tx timeout
Bluetooth: hci0 command 0x040f tx timeout
Bluetooth: hci3 command 0x040f tx timeout
Bluetooth: hci3 command 0x0419 tx timeout
Bluetooth: hci0 command 0x0419 tx timeout
Bluetooth: hci2 command 0x0419 tx timeout
Bluetooth: hci4 command 0x0419 tx timeout
Bluetooth: hci1 command 0x0419 tx timeout
Bluetooth: hci5 command 0x0419 tx timeout