syzbot


panic: broken type ref (4)

Status: upstream: reported on 2024/04/14 17:07
Reported-by: syzbot+4788467d2f852b1e985d@syzkaller.appspotmail.com
First crash: 71d, last: 70d
Similar bugs (3)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
openbsd panic: broken type ref (2) 17 1422d 1501d 0/3 closed as dup on 2020/05/15 21:37
openbsd panic: broken type ref (3) 1 755d 755d 0/3 closed as invalid on 2022/06/02 05:14
openbsd panic: broken type ref 1 1508d 1508d 0/3 closed as invalid on 2020/05/11 22:47

Sample crash report:
panic: broken type ref

goroutine 39 [running]:
github.com/google/syzkaller/prog.ArgCommon.Type(...)
	/syzkaller/gopath/src/github.com/google/syzkaller/prog/prog.go:69
github.com/google/syzkaller/prog.(*serializer).call(0xc0009d8690, 0xc00035bdb0)
	/syzkaller/gopath/src/github.com/google/syzkaller/prog/encoding.go:76 +0x1aa
github.com/google/syzkaller/prog.(*Prog).serialize(0xc0007bb2c0, 0x0)
	/syzkaller/gopath/src/github.com/google/syzkaller/prog/encoding.go:46 +0xd8
github.com/google/syzkaller/prog.(*Prog).Serialize(...)
	/syzkaller/gopath/src/github.com/google/syzkaller/prog/encoding.go:30
main.(*Proc).logProgram(0xc00038a900, 0xc0007bb2c0)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:130 +0x4e
main.(*Proc).executeRaw(0xc00038a900, 0xc0005a9ef0, 0xc0007bb2c0)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:101 +0x125
main.(*Proc).loop(0xc00038a900)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:65 +0x148
created by main.main in goroutine 1
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:256 +0x118a

Crashes (3):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2024/04/15 16:30 openbsd 7019ae976ad9 459f4b00 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore panic: broken type ref
2024/04/15 13:39 openbsd 7019ae976ad9 459f4b00 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore panic: broken type ref
2024/04/14 17:07 openbsd 56d65d052d3a c8349e48 .config console log report [disk image] [bsd.gdb] [kernel image] ci-openbsd-multicore panic: broken type ref
* Struck through repros no longer work on HEAD.