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upstream boot error: KMSAN: uninit-value in corrupted

Status: upstream: reported on 2024/05/25 02:56
Subsystems: net virt
[Documentation on labels]
Reported-by: syzbot+f8f2e9a62c70487ab828@syzkaller.appspotmail.com
First crash: 26d, last: 26d
▶ ▼ Discussions (1)
Title Replies (including bot) Last reply
[syzbot] [net?] [virt?] upstream boot error: KMSAN: uninit-value in corrupted 0 (1) 2024/05/25 02:56

Sample crash report:
Starting dhcpcd...
dhcpcd-9.4.1 starting
dev: loaded udev
DUID 00:04:19:0b:4d:1d:24:6b:9f:8b:bf:f7:85:18:31:02:d0:f0
forked to background, child pid 4697
Starting sshd: [  113.935289][    C0] BUG: KMSAN: uninit-value in receive_mergeable drivers/net/virtio_net.c:1839 [inline]
Starting sshd: [  113.935289][    C0] BUG: KMSAN: uninit-value in receive_buf+0x25e3/0x5fd0 drivers/net/virtio_net.c:1955

Crashes (1):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2024/05/21 02:46 upstream 8f6a15f095a6 c0f1611a .config console log report [disk image] [vmlinux] [kernel image] ci-upstream-kmsan-gce-386-root upstream boot error: KMSAN: uninit-value in corrupted
* Struck through repros no longer work on HEAD.