15-Sep-2026 02:43:01: building syzkaller on 75bb1b32609dc8e20e442a992f648e465c66cdf3... 15-Sep-2026 02:43:46: fetching kernel... 15-Sep-2026 02:43:48: checked out kernel commit 587858367581b9c55c3690f4e63382ad622719d4 ("Merge tag 'nfsd-7.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/cel/linux", 2026-09-14 10:41:30 -0700 -0700) 15-Sep-2026 02:43:48: cleaning kernel... 15-Sep-2026 02:43:50: building kernel... 15-Sep-2026 02:55:28: kernel built successfully with compiler Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8 15-Sep-2026 02:55:28: testing patch... 15-Sep-2026 02:57:53: 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 (0x1e1000) [ 91.934806][ T9] cfg80211: failed to load regulatory.db Warning: Permanently added '[localhost]:58414' (ED25519) to the list of known hosts. 2026/09/15 02:57:07 parsed 1 programs [ 97.811089][ T5287] cgroup: Unknown subsys name 'net' [ 97.878705][ T5287] cgroup: Unknown subsys name 'cpuset' [ 97.881945][ T5287] cgroup: Unknown subsys name 'rlimit' [ 117.534013][ T1026] ata1.00: NCQ disabled due to excessive errors [ 117.534034][ T1026] ata1.00: exception Emask 0x0 SAct 0x800 SErr 0x0 action 0x6 frozen [ 117.534050][ T1026] ata1.00: failed command: WRITE FPDMA QUEUED [ 117.534057][ T1026] ata1.00: cmd 61/08:58:4e:f7:04/0f:00:00:00:00/40 tag 11 ncq dma 1970176 ou [ 117.534057][ T1026] res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout) [ 117.534091][ T1026] ata1.00: status: { DRDY } [ 117.534140][ T1026] ata1: hard resetting link [ 117.856168][ T1026] ata1: SATA link up 1.5 Gbps (SStatus 113 SControl 300) [ 117.857812][ T1026] ata1.00: configured for UDMA/100 [ 117.858149][ T1026] 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.