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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: 67d, last: 67d
▶ ▼ 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 (13)
Kernel Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-6.1 SYZFAIL: failed to send rpc -1 5 624d 666d 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 520d 520d 0/3 auto-obsoleted due to no activity on 2025/04/29 06:42
linux-6.6 SYZFAIL: failed to send rpc -1 1 346d 346d 0/2 auto-obsoleted due to no activity on 2025/10/19 22:35
android-6-12 SYZFAIL: failed to send rpc -1 6 273d 350d 0/1 auto-obsoleted due to no activity on 2025/12/22 06:53
android-54 SYZFAIL: failed to send rpc -1 2 470d 490d 0/2 auto-obsoleted due to no activity on 2025/06/07 22:21
android-5-10 SYZFAIL: failed to send rpc -1 239 38d 717d 0/2 premoderation: reported on 2024/07/05 20:51
linux-5.15 SYZFAIL: failed to send rpc -1 8 606d 674d 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 72d 72d 0/2 premoderation: reported on 2026/04/12 11:45
android-5-15 SYZFAIL: failed to send rpc origin:upstream -1 syz error 85 41d 708d 0/2 premoderation: reported syz repro on 2024/07/15 00:43
android-6-1 SYZFAIL: failed to send rpc -1 41 166d 727d 0/2 auto-obsoleted due to no activity on 2026/04/08 07:33
android-6-12 SYZFAIL: failed to send rpc (2) -1 5 2d13h 113d 0/1 premoderation: reported on 2026/03/02 08:23
linux-6.6 SYZFAIL: failed to send rpc (2) -1 1 206d 206d 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 166d 283d 0/3 auto-obsoleted due to no activity on 2026/04/18 11:13
▶ ▼ 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 (1):
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
* Struck through repros no longer work on HEAD.