12-Oct-2026 20:58:03: building syzkaller on 3029c6991bea51c0b79902dc4c23d86c583ef05a...
12-Oct-2026 20:58:33: fetching kernel...
12-Oct-2026 20:58:36: checked out kernel commit 24a19b953e2a3d0ea5a8c4951a0ab8f32720c907 ("Linux 7.3-rc7", 2026-10-11 20:04:55 -0700 -0700)
12-Oct-2026 20:58:36: cleaning kernel...
12-Oct-2026 20:58:38: building kernel...
12-Oct-2026 21:10:22: kernel built successfully with compiler Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8
12-Oct-2026 21:10:22: testing patch...
12-Oct-2026 21:12:46: aggregating test results failed: lost connection to test machine



syzkaller login: qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than the requested size (0x400000)
Warning: Permanently added '[localhost]:57375' (ED25519) to the list of known hosts.
[   92.102207][  T934] cfg80211: failed to load regulatory.db
2026/10/12 21:12:00 parsed 1 programs
[   96.367962][ T5294] cgroup: Unknown subsys name 'net'
[   96.424012][ T5294] cgroup: Unknown subsys name 'cpuset'
[   96.426659][ T5294] cgroup: Unknown subsys name 'rlimit'
[  117.068944][ T1025] ata1.00: NCQ disabled due to excessive errors
[  117.068961][ T1025] ata1.00: exception Emask 0x0 SAct 0x1000000 SErr 0x0 action 0x6 frozen
[  117.068972][ T1025] ata1.00: failed command: WRITE FPDMA QUEUED
[  117.068977][ T1025] ata1.00: cmd 61/00:c0:36:81:04/20:00:00:00:00/40 tag 24 ncq dma 4194304 ou
[  117.068977][ T1025]          res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout)
[  117.068998][ T1025] ata1.00: status: { DRDY }
[  117.069051][ T1025] ata1: hard resetting link
[  117.389491][ T1025] ata1: SATA link up 1.5 Gbps (SStatus 113 SControl 300)
[  117.390644][ T1025] ata1.00: configured for UDMA/100
[  117.390938][ T1025] ata1: EH complete
qemu-system-x86_64: hw/ide/core.c:925: ide_dma_cb: Assertion `prep_size >= 0 && prep_size <= n * 512' failed.
Connection to localhost closed by remote host.