25-Sep-2026 05:46:36: building syzkaller on 43e1df1d9b982f24e3ccba50cf8881eed86d8994... 25-Sep-2026 05:47:09: fetching kernel... 25-Sep-2026 05:47:13: checked out kernel commit 165768bb70265b5c38cf0b73fafd75be235f8b14 ("Merge tag 'firewire-fixes-7.3-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394", 2026-09-24 17:09:56 -0700 -0700) 25-Sep-2026 05:47:13: cleaning kernel... 25-Sep-2026 05:47:15: building kernel... 25-Sep-2026 05:58:07: kernel built successfully with compiler Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8 25-Sep-2026 05:58:07: testing patch... 25-Sep-2026 06:01:42: 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 (0x102000) Warning: Permanently added '[localhost]:24929' (ED25519) to the list of known hosts. 2026/09/25 06:00:51 parsed 1 programs [ 88.297881][ T5290] cgroup: Unknown subsys name 'net' [ 88.373323][ T5290] cgroup: Unknown subsys name 'cpuset' [ 88.375964][ T5290] cgroup: Unknown subsys name 'rlimit' [ 91.891440][ T10] cfg80211: failed to load regulatory.db [ 109.818971][ T1024] ata1.00: exception Emask 0x0 SAct 0x4000 SErr 0x0 action 0x6 frozen [ 109.819052][ T1024] ata1.00: failed command: WRITE FPDMA QUEUED [ 109.819058][ T1024] ata1.00: cmd 61/10:70:b6:5b:04/08:00:00:00:00/40 tag 14 ncq dma 1056768 ou [ 109.819058][ T1024] res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout) [ 109.819077][ T1024] ata1.00: status: { DRDY } [ 109.819140][ T1024] ata1: hard resetting link [ 110.140049][ T1024] ata1: SATA link up 1.5 Gbps (SStatus 113 SControl 300) [ 110.141860][ T1024] ata1.00: configured for UDMA/100 [ 110.142069][ T1024] ata1: EH complete Setting up swapspace version 1, size = 127995904 bytes [ 111.620670][ T5290] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than the requested size (0x400000) [ 114.012508][ T1024] ata1.00: Read log 0x10 page 0x00 failed, Emask 0x1 [ 114.012586][ T1024] ata1: failed to read log page 10h (errno=-5) [ 114.012609][ T1024] ata1.00: exception Emask 0x1 SAct 0x3000000 SErr 0x0 action 0x0 [ 114.012620][ T1024] ata1.00: irq_stat 0x41000000 [ 114.012631][ T1024] ata1.00: failed command: WRITE FPDMA QUEUED [ 114.012637][ T1024] ata1.00: cmd 61/00:c0:76:49:05/20:00:00:00:00/40 tag 24 ncq dma 4194304 ou [ 114.012637][ T1024] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 114.012669][ T1024] ata1.00: status: { DRDY } [ 114.012678][ T1024] ata1.00: failed command: WRITE FPDMA QUEUED [ 114.012685][ T1024] ata1.00: cmd 61/00:c8:76:69:05/20:00:00:00:00/40 tag 25 ncq dma 4194304 ou [ 114.012685][ T1024] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than the requested size (0x400000) qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than the requested size (0x1ed000) [ 114.012714][ T1024] ata1.00: status: { DRDY } [ 114.016404][ T1024] ata1.00: configured for UDMA/100 [ 114.055062][ T1024] ata1: EH complete [ 114.069923][ T1024] ata1.00: Read log 0x10 page 0x00 failed, Emask 0x1 [ 114.069940][ T1024] ata1: failed to read log page 10h (errno=-5) [ 114.069950][ T1024] ata1.00: NCQ disabled due to excessive errors [ 114.069958][ T1024] ata1.00: exception Emask 0x1 SAct 0x48000000 SErr 0x0 action 0x0 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.