bisecting fixing commit since 13d2ce42de8cb98ff952f8de6307f896203854c2
building syzkaller on 821e0b09046a2f972ace26fbdc02aef1116792d4
testing commit 13d2ce42de8cb98ff952f8de6307f896203854c2
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: c3cd3801150982fff432ae281f467ffb21c552c8e9d5f6112b44edbe6d7272b8
run #0: crashed: BUG: corrupted list in kobject_add_internal
run #1: crashed: BUG: corrupted list in kobject_add_internal
run #2: crashed: BUG: corrupted list in kobject_add_internal
run #3: crashed: BUG: corrupted list in kobject_add_internal
run #4: crashed: BUG: corrupted list in kobject_add_internal
run #5: crashed: BUG: corrupted list in kobject_add_internal
run #6: crashed: BUG: corrupted list in kobject_add_internal
run #7: crashed: BUG: corrupted list in kobject_add_internal
run #8: crashed: BUG: corrupted list in kobject_add_internal
run #9: crashed: BUG: corrupted list in kobject_add_internal
run #10: crashed: BUG: corrupted list in kobject_add_internal
run #11: crashed: BUG: corrupted list in kobject_add_internal
run #12: crashed: BUG: corrupted list in kobject_add_internal
run #13: crashed: BUG: corrupted list in kobject_add_internal
run #14: crashed: BUG: corrupted list in kobject_add_internal
run #15: crashed: BUG: corrupted list in kobject_add_internal
run #16: crashed: BUG: corrupted list in kobject_add_internal
run #17: crashed: BUG: corrupted list in kobject_add_internal
run #18: crashed: kernel panic: Fatal exception
run #19: crashed: general protection fault in klist_next
testing current HEAD e23d55af0e1fca9be5c99f0c37d48b289f4d6489
testing commit e23d55af0e1fca9be5c99f0c37d48b289f4d6489
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 1ca3eb7ce9d13026a77917eee9e1023ebbecf56e5d308357fbd22a0e0826e0e9
run #0: crashed: BUG: corrupted list in kobject_add_internal
run #1: crashed: BUG: corrupted list in kobject_add_internal
run #2: crashed: BUG: corrupted list in kobject_add_internal
run #3: crashed: BUG: corrupted list in kobject_add_internal
run #4: crashed: BUG: corrupted list in kobject_add_internal
run #5: crashed: BUG: corrupted list in kobject_add_internal
run #6: crashed: BUG: corrupted list in kobject_add_internal
run #7: crashed: BUG: corrupted list in kobject_add_internal
run #8: crashed: BUG: corrupted list in kobject_add_internal
run #9: crashed: kernel panic: Fatal exception
revisions tested: 2, total time: 41m4.581130339s (build: 22m1.984740137s, test: 18m29.517516909s)
the crash still happens on HEAD
commit msg: Linux 4.19.205
crash: kernel panic: Fatal exception
FS:  00007f16e85df700(0000) GS:ffff8880ba200000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fbefdac7000 CR3: 00000000a1149000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Kernel panic - not syncing: Fatal exception
Kernel Offset: disabled
Rebooting in 86400 seconds..