syzbot


panic: runtime error: floating point error

Status: auto-obsoleted due to no activity on 2023/04/24 18:55
Reported-by: syzbot+837f07921554cc4bccc4@syzkaller.appspotmail.com
First crash: 511d, last: 464d
Similar bugs (7)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
android-54 panic: runtime error: floating point error syz 5 5d10h 454d 0/2 upstream: reported syz repro on 2023/01/26 18:24
android-5-10 panic: runtime error: floating point error 1 611d 611d 0/2 auto-obsoleted due to no activity on 2022/11/21 00:58
upstream panic: runtime error: floating point error (2) syz error 12 25d 275d 0/26 upstream: reported syz repro on 2023/07/25 08:02
android-5-10 panic: runtime error: floating point error (2) syz error error 8 13d 464d 0/2 premoderation: reported syz repro on 2023/01/17 08:13
android-6-1 panic: runtime error: floating point error (2) origin:lts syz 9 18h59m 119d 0/2 premoderation: reported syz repro on 2023/12/27 20:43
android-6-1 panic: runtime error: floating point error 1 250d 250d 0/2 auto-obsoleted due to no activity on 2023/11/17 15:39
upstream panic: runtime error: floating point error kernel 2 438d 716d 22/26 fixed on 2023/02/24 13:50

Sample crash report:
te, [], @ipv4=@local, [], @ipv4=@multicast2, [], @ipv6=@local}}}, @common=@inet=@socket3={{0x28}}]}, @unspec=@CT2={0x68, 'CT\x00', 0x2, {0x3, 0x0, 0x0, 0x0, 'syz0\x00', 'syz1\x00'}}}, {{@uncond, 0x0, 0xd0, 0xf8, 0xfeffff7f, {}, [@inet=@rpfilter={{0x28}}]}, @common=@unspec=@STANDARD={0x28, '\x00', 0x0, 0xfffffffffffffffe}}], {{'\x00', 0x0, 0xa8, 0xd0}, {0x28}}}}, 0x158)
panic: runtime error: floating point error
[signal SIGFPE: floating-point exception code=0x80 addr=0x0 pc=0x4838c0]

goroutine 9 [running]:
reflect.name.tag({0x0})
	/usr/local/go/src/reflect/type.go:531
reflect.(*structType).Field(0x9f7720, 0x0)
	/usr/local/go/src/reflect/type.go:1242 +0x105
reflect.(*rtype).Field(0x47ad7e, 0xcd02c0)
	/usr/local/go/src/reflect/type.go:962 +0x6b
github.com/google/syzkaller/prog.(*CallProps).ForeachProp(0xcd02c0, 0xc02342fa70)
	/syzkaller/gopath/src/github.com/google/syzkaller/prog/prog.go:456 +0x142
github.com/google/syzkaller/prog.(*serializer).call(0xc02ec19740, 0xc02ec120f0)
	/syzkaller/gopath/src/github.com/google/syzkaller/prog/encoding.go:87 +0x205
github.com/google/syzkaller/prog.(*Prog).serialize(0xc02ec035c0, 0x0)
	/syzkaller/gopath/src/github.com/google/syzkaller/prog/encoding.go:46 +0xe5
github.com/google/syzkaller/prog.(*Prog).Serialize(...)
	/syzkaller/gopath/src/github.com/google/syzkaller/prog/encoding.go:30
main.(*Proc).logProgram(0xc03df32140, 0xc02342fcc8, 0xc02ec19650)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:348 +0x4a
main.(*Proc).executeRaw(0xc03df32140, 0x1e, 0xc03df32040, 0x8)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:318 +0xf8
main.(*Proc).executeAndCollide(0xc03df32140, 0xab1576, 0x12, 0xc02342fe08, 0x1)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:292 +0x72
main.(*Proc).smashInput(0xc03df32140, 0xc03d049830)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:221 +0x1d4
main.(*Proc).loop(0xc03df32140)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/proc.go:78 +0x125
created by main.main
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:310 +0x15e5

Crashes (3):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2023/01/17 06:26 android13-5.15-lts c73b4619ad86 a63719e7 .config console log report info ci2-android-5-15 panic: runtime error: floating point error
2022/12/10 23:19 android13-5.15-lts 7048384c9872 67be1ae7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 panic: runtime error: floating point error
2022/11/30 21:23 android13-5.15-lts d9d889009b78 4c2a66e8 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 panic: runtime error: floating point error
* Struck through repros no longer work on HEAD.