syzbot


panic: runtime error: floating point error (2)

Status: upstream: reported syz repro on 2023/07/25 08:02
Reported-by: syzbot+a76d93c00034a9fd23f5@syzkaller.appspotmail.com
First crash: 488d, last: 31d
Cause bisection: failed (error log, bisect log)
  
Discussions (1)
Title Replies (including bot) Last reply
[syzbot] panic: runtime error: floating point error (2) 0 (1) 2023/07/25 08:02
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 4d21h 664d 0/2 upstream: reported syz repro on 2023/01/26 18:24
android-5-10 panic: runtime error: floating point error 1 821d 821d 0/2 auto-obsoleted due to no activity on 2022/11/21 00:58
android-5-15 panic: runtime error: floating point error 3 674d 721d 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 8 222d 673d 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 9 85d 329d 0/2 premoderation: reported syz repro on 2023/12/27 20:43
android-6-1 panic: runtime error: floating point error 1 459d 459d 0/2 auto-obsoleted due to no activity on 2023/11/17 15:39
upstream panic: runtime error: floating point error kernel 2 648d 926d 22/28 fixed on 2023/02/24 13:50
Last patch testing requests (10)
Created Duration User Patch Repo Result
2024/11/13 17:46 24m retest repro bpf-next log
2024/11/08 06:37 27m retest repro bpf log
2024/11/03 17:38 18m retest repro bpf-next log
2024/11/03 17:38 16m retest repro bpf-next report log
2024/10/13 23:16 19m retest repro net log
2024/10/13 23:16 17m retest repro net report log
2024/09/29 22:51 17m retest repro bpf-next report log
2024/09/04 12:56 43m retest repro bpf-next log
2024/08/30 04:32 19m retest repro bpf log
2024/07/10 14:23 15m retest repro bpf-next log
Fix bisection attempts (4)
Created Duration User Patch Repo Result
2024/09/15 20:41 2h02m bisect fix net-next OK (0) job log log
2024/08/10 00:40 1h37m bisect fix bpf-next OK (0) job log log
2023/12/09 09:14 2h31m bisect fix upstream OK (0) job log log
2023/11/04 22:09 2h33m bisect fix upstream OK (0) job log log

Sample crash report:
2024/08/16 03:58:16 executed programs: 2
2024/08/16 03:58:21 executed programs: 219
2024/08/16 03:58:26 executed programs: 451
panic: runtime error: floating point error
[signal SIGFPE: floating-point exception code=0x80 addr=0x0 pc=0x47992a]

goroutine 13 [running]:
sync.(*Pool).Get(0x121eaa0)
	/usr/local/go/src/sync/pool.go:127 +0xa
fmt.newPrinter()
	/usr/local/go/src/fmt/print.go:152 +0x1e
fmt.Fprintf({0x19054a0, 0xc0000df860}, {0x18b7100, 0x1}, {0x0, 0x0, 0x0})
	/usr/local/go/src/fmt/print.go:223 +0x45
github.com/google/syzkaller/prog.(*serializer).printf(...)
	/syzkaller/gopath/src/github.com/google/syzkaller/prog/encoding.go:60
github.com/google/syzkaller/prog.(*serializer).call(0xc0000df8c0, 0xc00096e1e0)
	/syzkaller/gopath/src/github.com/google/syzkaller/prog/encoding.go:113 +0x30c
github.com/google/syzkaller/prog.(*Prog).serialize(0xc000d92780, 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
github.com/google/syzkaller/pkg/rpcserver.(*Runner).handleExecutingMessage(0xc0009fe210, 0xc001c8a6a8)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/rpcserver/runner.go:362 +0x13b
github.com/google/syzkaller/pkg/rpcserver.(*Runner).ConnectionLoop(0xc0009fe210)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/rpcserver/runner.go:201 +0x4b9
github.com/google/syzkaller/pkg/rpcserver.(*Server).connectionLoop(0xc0009fe210?, 0xc000f26000?)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/rpcserver/rpcserver.go:301 +0xf0
github.com/google/syzkaller/pkg/rpcserver.(*Server).handleRunnerConn(0xc000e64000, 0xc0009fe210, 0x0?)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/rpcserver/rpcserver.go:235 +0x44d
github.com/google/syzkaller/pkg/rpcserver.(*Server).handleConn(0xc000e64000, 0x1?)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/rpcserver/rpcserver.go:201 +0x25d
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 8
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/flatrpc/conn.go:52 +0xb1
Connection to 10.128.0.148 closed by remote host.

Crashes (15):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2024/08/16 04:04 bpf 9d5906799f7d e4bacdaf .config console log report syz / log [disk image] [vmlinux] [kernel image] ci-upstream-bpf-kasan-gce panic: runtime error: floating point error
2024/03/28 16:19 net f99c5f563c17 120789fd .config console log report syz [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce panic: runtime error: floating point error
2024/03/17 20:07 net ea80e3ed09ab d615901c .config console log report syz [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce panic: runtime error: floating point error
2024/10/20 15:36 bpf-next 8ca77b8f6223 cd6fc0a3 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci-upstream-bpf-next-kasan-gce panic: runtime error: floating point error
2024/03/31 10:22 bpf-next 14bb1e8c8d4a 6baf5069 .config console log report syz [disk image] [vmlinux] [kernel image] ci-upstream-bpf-next-kasan-gce panic: runtime error: floating point error
2024/03/17 18:02 bpf-next 4c8644f86c85 d615901c .config console log report syz [disk image] [vmlinux] [kernel image] ci-upstream-bpf-next-kasan-gce panic: runtime error: floating point error
2024/03/16 10:17 bpf-next 4c8644f86c85 d615901c .config console log report syz [disk image] [vmlinux] [kernel image] ci-upstream-bpf-next-kasan-gce panic: runtime error: floating point error
2023/09/26 01:00 upstream 6465e260f487 0b6a67ac .config console log report syz [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root panic: runtime error: floating point error
2023/09/14 00:36 upstream 3669558bdf35 0b6a67ac .config strace log report syz [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root panic: runtime error: floating point error
2023/07/21 07:54 upstream 46670259519f 28847498 .config console log report syz [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root panic: runtime error: floating point error
2024/03/01 02:35 upstream 805d849d7c3c 352ab904 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root panic: runtime error: floating point error
2024/05/04 23:22 net-next 173e7622ccb3 610f2a54 .config console log report syz [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce panic: runtime error: floating point error
2024/02/18 10:34 net-next a6e0cb150c51 578f7538 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce panic: runtime error: floating point error
2023/12/28 01:34 net-next 3fb65f6bc7dc fb427a07 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce panic: runtime error: floating point error
2023/11/09 09:07 net-next ff269e2cd5ad 4862372a .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce panic: runtime error: floating point error
* Struck through repros no longer work on HEAD.