bisecting fixing commit since cbfa1702aaf69b2311ea1b35e04f113c48368c67
building syzkaller on 1880b4a9f394370a7d1fcb5c1cfca0fa1127b463
testing commit cbfa1702aaf69b2311ea1b35e04f113c48368c67
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 00b4aa384540dc490f959d1a8d95b63df3ea0de993c2a43920a6f8ef0613d7e8
run #0: crashed: KASAN: slab-out-of-bounds Read in bit_putcs
run #1: crashed: KASAN: slab-out-of-bounds Read in bit_putcs
run #2: crashed: KASAN: slab-out-of-bounds Read in bit_putcs
run #3: crashed: KASAN: slab-out-of-bounds Read in bit_putcs
run #4: crashed: KASAN: slab-out-of-bounds Read in bit_putcs
run #5: crashed: KASAN: use-after-free Read in bit_putcs
run #6: crashed: KASAN: slab-out-of-bounds Read in bit_putcs
run #7: crashed: KASAN: slab-out-of-bounds Read in bit_putcs
run #8: crashed: KASAN: slab-out-of-bounds Read in bit_putcs
run #9: crashed: KASAN: slab-out-of-bounds Read in bit_putcs
run #10: crashed: KASAN: use-after-free Read in bit_putcs
run #11: crashed: KASAN: slab-out-of-bounds Read in bit_putcs
run #12: crashed: KASAN: slab-out-of-bounds Read in bit_putcs
run #13: crashed: KASAN: slab-out-of-bounds Read in bit_putcs
run #14: crashed: KASAN: use-after-free Read in bit_putcs
run #15: crashed: KASAN: slab-out-of-bounds Read in bit_putcs
run #16: crashed: KASAN: slab-out-of-bounds Read in bit_putcs
run #17: crashed: KASAN: slab-out-of-bounds Read in bit_putcs
run #18: crashed: KASAN: use-after-free Read in bit_putcs
run #19: crashed: KASAN: slab-out-of-bounds Read in bit_putcs
testing current HEAD 569d1abf9402e943bf00821a6e0b8e13bffde699
testing commit 569d1abf9402e943bf00821a6e0b8e13bffde699
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: e2c622837739da0748ecaffff2d14efe1a231f2c60e47c0a69f3199a40b2a633
all runs: crashed: unregister_netdevice: waiting for DEV to become free
revisions tested: 2, total time: 22m18.966960628s (build: 15m33.354498817s, test: 6m11.532007633s)
the crash still happens on HEAD
commit msg: Linux 4.14.278
crash: unregister_netdevice: waiting for DEV to become free
IPVS: ftp: loaded support on port[0] = 21
can: request_module (can-proto-0) failed.
can: request_module (can-proto-0) failed.
can: request_module (can-proto-0) failed.
unregister_netdevice: waiting for ip6gre0 to become free. Usage count = -1
Bluetooth: hci0 command 0x0409 tx timeout
unregister_netdevice: waiting for ip6gre0 to become free. Usage count = -1
Bluetooth: hci0 command 0x041b tx timeout
Bluetooth: hci0 command 0x040f tx timeout
Bluetooth: hci0 command 0x0419 tx timeout