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panic: runtime error: floating point error (2)

Status: premoderation: reported syz repro on 2023/01/17 08:13
Reported-by: syzbot+d4ca1bae45569415fcde@syzkaller.appspotmail.com
First crash: 901d, last: 2d08h
Cause bisection: failed (error log, bisect log)
  
Fix bisection: failed (error log, bisect log)
  
▶ ▼ Similar bugs (10)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
android-54 panic: runtime error: floating point error syz 6 47d 891d 0/2 upstream: reported syz repro on 2023/01/26 18:24
android-5-10 panic: runtime error: floating point error 1 1048d 1048d 0/2 auto-obsoleted due to no activity on 2022/11/21 00:58
upstream panic: runtime error: floating point error (2) syz error 24 8d01h 712d 0/29 upstream: reported syz repro on 2023/07/25 08:02
android-5-15 panic: runtime error: floating point error (2) origin:upstream syz 2 33d 178d 0/2 premoderation: reported syz repro on 2025/01/09 05:12
linux-5.15 panic: runtime error: floating point error origin:lts-only syz inconclusive 2 19h43m 146d 0/3 upstream: reported syz repro on 2025/02/10 09:25
android-5-15 panic: runtime error: floating point error 3 901d 948d 0/2 auto-obsoleted due to no activity on 2023/04/24 18:55
linux-6.1 panic: runtime error: floating point error origin:upstream syz 1 21d 21d 0/3 upstream: reported syz repro on 2025/06/14 16:04
android-6-1 panic: runtime error: floating point error (2) origin:lts missing-backport syz error 11 16d 556d 0/2 premoderation: reported syz repro on 2023/12/27 20:43
android-6-1 panic: runtime error: floating point error 1 687d 687d 0/2 auto-obsoleted due to no activity on 2023/11/17 15:39
upstream panic: runtime error: floating point error kernel 2 875d 1153d 22/29 fixed on 2023/02/24 13:50
▶ ▼ Last patch testing requests (10)
Created Duration User Patch Repo Result
2025/07/04 06:53 6m retest repro android13-5.10-lts report log
2025/07/04 06:53 7m retest repro android13-5.10-lts log
2025/06/17 14:48 18m retest repro android13-5.10-lts report log
2025/06/03 03:57 15m retest repro android13-5.10-lts report log
2025/04/24 01:37 14m retest repro android13-5.10-lts report log
2025/04/24 01:37 5m retest repro android13-5.10-lts report log
2025/04/04 12:42 10m retest repro android13-5.10-lts report log
2025/02/07 04:54 7m retest repro android13-5.10-lts report log
2025/01/24 03:08 57m retest repro android13-5.10-lts report log
2024/11/25 03:07 12m retest repro android13-5.10-lts report log

Sample crash report:
panic: runtime error: floating point error
[signal SIGFPE: floating-point exception code=0x80 addr=0x0 pc=0xf008b0]

goroutine 34 [running]:
github.com/google/syzkaller/prog.foreachArgImpl({0x21f0980, 0xc003e39e00}, 0x12ccd20?, 0xc0054da000, 0xc003eb35e8)
	/syzkaller/gopath/src/github.com/google/syzkaller/prog/analysis.go:165 +0x2b0
github.com/google/syzkaller/prog.ForeachArg(0xc0025cb4a0, 0xc003eb35e8)
	/syzkaller/gopath/src/github.com/google/syzkaller/prog/analysis.go:146 +0x51
github.com/google/syzkaller/prog.(*execContext).writeCopyout(...)
	/syzkaller/gopath/src/github.com/google/syzkaller/prog/encodingexec.go:235
github.com/google/syzkaller/prog.(*execContext).serializeCall(0xc003eb3680, 0xc0025cb4a0)
	/syzkaller/gopath/src/github.com/google/syzkaller/prog/encodingexec.go:119 +0x4b5
github.com/google/syzkaller/prog.(*Prog).SerializeForExec(0xc000a0c740)
	/syzkaller/gopath/src/github.com/google/syzkaller/prog/encodingexec.go:78 +0x1ab
github.com/google/syzkaller/pkg/rpcserver.(*Runner).sendRequest(0xc0025c4540, 0xc0024a7ec0)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/rpcserver/runner.go:297 +0x22e
github.com/google/syzkaller/pkg/rpcserver.(*Runner).ConnectionLoop(0xc0025c4540)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/rpcserver/runner.go:182 +0x545
github.com/google/syzkaller/pkg/rpcserver.(*server).connectionLoop(0xc003deab40, {0x21ed940?, 0xc0024c9860?}, 0xc0025c4540)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/rpcserver/rpcserver.go:437 +0x196
github.com/google/syzkaller/pkg/rpcserver.(*server).handleRunnerConn(0xc003deab40, {0x21ed940, 0xc0024c9860}, 0xc0025c4540, 0xc0024c98b0)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/rpcserver/rpcserver.go:360 +0x56a
github.com/google/syzkaller/pkg/rpcserver.(*server).handleConn(0xc003deab40, {0x21ed940, 0xc0024c9860}, 0xc0024c98b0)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/rpcserver/rpcserver.go:322 +0x2ab
github.com/google/syzkaller/pkg/rpcserver.(*server).Serve.func1.1({0x21ed940?, 0xc0024c9860?}, 0x10?)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/rpcserver/rpcserver.go:242 +0x31
github.com/google/syzkaller/pkg/flatrpc.(*Serv).Serve.func2()
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/flatrpc/conn.go:78 +0x198
golang.org/x/sync/errgroup.(*Group).Go.func1()
	/syzkaller/gopath/pkg/mod/golang.org/x/sync@v0.13.0/errgroup/errgroup.go:79 +0x50
created by golang.org/x/sync/errgroup.(*Group).Go in goroutine 29
	/syzkaller/gopath/pkg/mod/golang.org/x/sync@v0.13.0/errgroup/errgroup.go:76 +0x96

Crashes (11):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2025/05/19 23:35 android13-5.10-lts 7e2543346ff7 b84f0537 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf panic: runtime error: floating point error
2025/04/08 01:03 android13-5.10-lts 094fc3778d6b a2ada0e7 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-android-5-10 panic: runtime error: floating point error
2025/01/09 21:41 android13-5.10-lts 49e8ba0a684f 9220929f .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf panic: runtime error: floating point error
2023/01/17 08:12 android12-5.10-lts 416c4356f372 a63719e7 .config console log report syz [disk image] [vmlinux] [kernel image] ci2-android-5-10 panic: runtime error: floating point error
2024/04/12 07:19 android13-5.10-lts 4e1bc8d8e8ae 27de0a5c .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 panic: runtime error: floating point error
2024/04/06 15:59 android13-5.10-lts e7daca75b4c3 ca620dd8 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf panic: runtime error: floating point error
2024/04/03 03:10 android13-5.10-lts e7daca75b4c3 7925100d .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf panic: runtime error: floating point error
2024/03/31 09:04 android13-5.10-lts e7daca75b4c3 6baf5069 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf panic: runtime error: floating point error
2024/03/23 00:41 android13-5.10-lts e7daca75b4c3 4b6cdce6 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf panic: runtime error: floating point error
2024/01/11 00:30 android13-5.10-lts 721689706261 04815ef1 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 panic: runtime error: floating point error
2023/12/16 14:58 android13-5.10-lts f722f6ad16cf 3222d10c .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 panic: runtime error: floating point error
* Struck through repros no longer work on HEAD.