syzbot


panic: runtime error: floating point error (2)

Status: premoderation: reported syz repro on 2025/01/09 05:12
Bug presence: origin:upstream
[Documentation on labels]
Reported-by: syzbot+f193bd3c38bc0ac7370e@syzkaller.appspotmail.com
First crash: 21d, last: 6d07h
Bug presence (2)
Date Name Commit Repro Result
2025/01/09 lts (merge base) 91786f140358 C [report] panic: runtime error: floating point error
2025/01/09 upstream (ToT) eea6e4b4dfb8 C [report] panic: runtime error: floating point error
Similar bugs (8)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
android-54 panic: runtime error: floating point error syz 5 4d07h 734d 0/2 upstream: reported syz repro on 2023/01/26 18:24
android-5-10 panic: runtime error: floating point error 1 891d 891d 0/2 auto-obsoleted due to no activity on 2022/11/21 00:58
upstream panic: runtime error: floating point error (2) syz error 19 3d03h 554d 0/28 upstream: reported syz repro on 2023/07/25 08:02
android-5-15 panic: runtime error: floating point error 3 743d 791d 0/2 auto-obsoleted due to no activity on 2023/04/24 18:55
android-5-10 panic: runtime error: floating point error (2) syz error error 9 6d01h 743d 0/2 premoderation: reported syz repro on 2023/01/17 08:13
android-6-1 panic: runtime error: floating point error (2) origin:lts missing-backport syz error 10 6d23h 399d 0/2 premoderation: reported syz repro on 2023/12/27 20:43
android-6-1 panic: runtime error: floating point error 1 529d 529d 0/2 auto-obsoleted due to no activity on 2023/11/17 15:39
upstream panic: runtime error: floating point error kernel 2 717d 996d 22/28 fixed on 2023/02/24 13:50
Last patch testing requests (1)
Created Duration User Patch Repo Result
2025/01/23 21:18 10m retest repro android13-5.15-lts report log

Sample crash report:
panic: runtime error: floating point error
[signal SIGFPE: floating-point exception code=0x80 addr=0x0 pc=0x9dadd0]

goroutine 28 [running]:
github.com/google/syzkaller/prog.foreachArgImpl({0x1c9c7c0, 0xc00131fe30}, 0xc002bfd548?, 0xc004e42000, 0xc002bfd818)
	/syzkaller/gopath/src/github.com/google/syzkaller/prog/analysis.go:165 +0x2b0
github.com/google/syzkaller/prog.ForeachArg(0xc0016c2190, 0xc002bfd818)
	/syzkaller/gopath/src/github.com/google/syzkaller/prog/analysis.go:146 +0x51
github.com/google/syzkaller/prog.calcChecksumsCall(0xc0016c2190)
	/syzkaller/gopath/src/github.com/google/syzkaller/prog/checksum.go:33 +0xa5
github.com/google/syzkaller/prog.(*Prog).SerializeForExec(0xc00120e880)
	/syzkaller/gopath/src/github.com/google/syzkaller/prog/encodingexec.go:77 +0x18c
github.com/google/syzkaller/pkg/rpcserver.(*Runner).sendRequest(0xc000000000, 0xc000113c70)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/rpcserver/runner.go:295 +0x226
github.com/google/syzkaller/pkg/rpcserver.(*Runner).ConnectionLoop(0xc000000000)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/rpcserver/runner.go:180 +0x565
github.com/google/syzkaller/pkg/rpcserver.(*server).connectionLoop(0xc001306800, 0xc000000000)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/rpcserver/rpcserver.go:356 +0x105
github.com/google/syzkaller/pkg/rpcserver.(*server).handleRunnerConn(0xc001306800, 0xc000000000, 0xc0016c2370)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/rpcserver/rpcserver.go:294 +0x411
github.com/google/syzkaller/pkg/rpcserver.(*server).handleConn(0xc001306800, 0xc0016c2370)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/rpcserver/rpcserver.go:261 +0x2b6
github.com/google/syzkaller/pkg/flatrpc.ListenAndServe.func1.1()
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/flatrpc/conn.go:55 +0x122
created by github.com/google/syzkaller/pkg/flatrpc.ListenAndServe.func1 in goroutine 23
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/flatrpc/conn.go:52 +0xb1

Crashes (1):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2025/01/09 05:11 android13-5.15-lts 19092c8155b4 f3558dbf .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-android-5-15-perf panic: runtime error: floating point error
* Struck through repros no longer work on HEAD.