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: 270d, last: 16d
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 10d 446d 0/2 upstream: reported syz repro on 2023/01/26 18:24
android-5-10 panic: runtime error: floating point error 1 602d 602d 0/2 auto-obsoleted due to no activity on 2022/11/21 00:58
android-5-15 panic: runtime error: floating point error 3 455d 503d 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 4d14h 455d 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 5d23h 111d 0/2 premoderation: reported syz repro on 2023/12/27 20:43
android-6-1 panic: runtime error: floating point error 1 241d 241d 0/2 auto-obsoleted due to no activity on 2023/11/17 15:39
upstream panic: runtime error: floating point error kernel 2 429d 708d 22/26 fixed on 2023/02/24 13:50
Last patch testing requests (6)
Created Duration User Patch Repo Result
2024/02/03 08:03 20m retest repro upstream OK log
2023/12/23 12:02 21m retest repro upstream OK log
2023/11/23 15:18 25m retest repro upstream report log
2023/10/10 18:38 20m retest repro upstream OK log
2023/10/10 08:37 16m retest repro upstream report log
2023/08/29 13:39 22m retest repro upstream report log
Fix bisection attempts (2)
Created Duration User Patch Repo Result
2023/12/09 09:14 2h31m bisect fix upstream job log (0) log
2023/11/04 22:09 2h33m bisect fix upstream job log (0) log

Sample crash report:
2024/03/28 15:42:49 executed programs: 700
2024/03/28 15:42:54 executed programs: 758
2024/03/28 15:42:59 executed programs: 809
2024/03/28 15:43:04 executed programs: 865
2024/03/28 15:43:09 executed programs: 935
panic: runtime error: floating point error
[signal SIGFPE: floating-point exception code=0x80 addr=0x0 pc=0x467a6d]

goroutine 10 [running]:
internal/poll.runtime_pollReset(0x7ffff80000000000?, 0x4?)
	/usr/local/go/src/runtime/netpoll.go:325 +0x6d
internal/poll.(*pollDesc).prepare(0xc000078600?, 0xc0015a6410?, 0x1)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:68 +0x27
internal/poll.(*pollDesc).prepareWrite(...)
	/usr/local/go/src/internal/poll/fd_poll_runtime.go:77
internal/poll.(*FD).Write(0xc000078600, {0xc001135bd8, 0x40, 0x40})
	/usr/local/go/src/internal/poll/fd_unix.go:371 +0xfb
os.(*File).write(...)
	/usr/local/go/src/os/file_posix.go:46
os.(*File).Write(0xc001114058, {0xc001135bd8?, 0x40, 0x7f120f0ba5d8?})
	/usr/local/go/src/os/file.go:183 +0x51
github.com/google/syzkaller/pkg/ipc.(*command).exec(0xc0000f82a0, 0x7f120f0ba000?, {0x0, 0x0, 0x0})
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:773 +0x12f
github.com/google/syzkaller/pkg/ipc.(*Env).Exec(0xc00007c1b0, 0x10?, 0xc001328540)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/ipc/ipc.go:278 +0x119
main.(*Context).execute(0xc001305c00, 0x2?, 0x0?, 0x0?, 0x0?)
	/syzkaller/gopath/src/github.com/google/syzkaller/tools/syz-execprog/execprog.go:181 +0x145
main.(*Context).run(0xc001305c00, 0x0?)
	/syzkaller/gopath/src/github.com/google/syzkaller/tools/syz-execprog/execprog.go:166 +0xbb
main.main.func3()
	/syzkaller/gopath/src/github.com/google/syzkaller/tools/syz-execprog/execprog.go:127 +0x51
created by main.main in goroutine 1
	/syzkaller/gopath/src/github.com/google/syzkaller/tools/syz-execprog/execprog.go:125 +0x5bf

Crashes (12):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
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
2024/03/31 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
2024/02/18 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.