SYZFAIL: failed to send rpc (2)

Status: upstream: reported syz repro on 2026/04/16 23:25
Bug presence: origin:lts-only
[Documentation on labels]
Reported-by: syzbot+775a5051cc01d7fcb180@syzkaller.appspotmail.com
First crash: 210d, last: 37d
▶ ▼ Bug presence (2)
Date Name Commit Repro Result
2026/04/17 linux-5.15.y (ToT) 91d48252ad4b syz [report] lost connection to test machine
2026/04/17 upstream (ToT) 3cd8b194bf34 syz Didn't crash
▶ ▼ Similar bugs (17)
Kernel Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-6.1 SYZFAIL: failed to send rpc -1 5 766d 808d 0/3 auto-obsoleted due to no activity on 2025/01/15 11:25
linux-6.1 SYZFAIL: failed to send rpc (2) -1 1 662d 662d 0/3 auto-obsoleted due to no activity on 2025/04/29 06:42
android-6-1 SYZFAIL: failed to send rpc (3) -1 14 1d06h 120d 0/2 premoderation: reported on 2026/07/16 01:45
android-5-10 SYZFAIL: failed to send rpc (2) -1 26 7d02h 123d 0/2 premoderation: reported on 2026/07/12 13:50
linux-6.1 SYZFAIL: failed to send rpc (4) -1 6 35d 118d 0/3 upstream: reported on 2026/07/17 07:23
linux-6.6 SYZFAIL: failed to send rpc -1 1 489d 489d 0/2 auto-obsoleted due to no activity on 2025/10/19 22:35
android-6-12 SYZFAIL: failed to send rpc -1 6 415d 492d 0/1 auto-obsoleted due to no activity on 2025/12/22 06:53
android-54 SYZFAIL: failed to send rpc -1 2 613d 633d 0/2 auto-obsoleted due to no activity on 2025/06/07 22:21
android-5-10 SYZFAIL: failed to send rpc -1 239 181d 860d 0/2 auto-obsoleted due to no activity on 2026/07/04 22:49
linux-5.15 SYZFAIL: failed to send rpc -1 8 749d 816d 0/3 auto-obsoleted due to no activity on 2025/02/01 19:23
android-6-1 SYZFAIL: failed to send rpc (2) -1 1 214d 214d 0/2 auto-obsoleted due to no activity on 2026/07/11 11:49
linux-6.6 SYZFAIL: failed to send rpc (3) -1 3 109d 109d 0/2 auto-obsoleted due to no activity on 2026/11/04 02:05
android-5-15 SYZFAIL: failed to send rpc origin:upstream -1 syz error 110 4d09h 851d 0/2 premoderation: reported syz repro on 2024/07/15 00:43
android-6-1 SYZFAIL: failed to send rpc -1 41 308d 870d 0/2 auto-obsoleted due to no activity on 2026/04/08 07:33
android-6-12 SYZFAIL: failed to send rpc (2) -1 7 62d 255d 0/1 premoderation: reported on 2026/03/02 08:23
linux-6.6 SYZFAIL: failed to send rpc (2) -1 1 349d 349d 0/2 auto-obsoleted due to no activity on 2026/03/08 23:18
linux-6.1 SYZFAIL: failed to send rpc (3) -1 5 308d 426d 0/3 auto-obsoleted due to no activity on 2026/04/18 11:13
▶ ▼ Last patch testing requests (2)
Created Duration User Patch Repo Result
2026/10/21 16:08 23m retest repro linux-5.15.y job log log
2026/07/19 22:32 16m retest repro linux-5.15.y log
▶ ▼ Fix bisection attempts (2)
Created Duration User Patch Repo Result
2026/05/23 19:42 12m fix candidate upstream error job log
2026/04/20 04:41 16m fix candidate upstream error job log

Sample crash report:
SYZFAIL: failed to send rpc
fd=3 want=304 sent=0 n=-1 (errno 32: Broken pipe)

Crashes (3):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2026/04/16 23:24 linux-5.15.y 91d48252ad4b 4743f87d .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan SYZFAIL: failed to send rpc
2026/10/06 21:18 linux-5.15.y a051a4bf909f f7710056 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan SYZFAIL: failed to send rpc
2026/08/20 01:29 linux-5.15.y 0eb903b5b519 1e72964b .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan SYZFAIL: failed to send rpc
* Struck through repros no longer work on HEAD.