06-Oct-2026 16:02:26: building syzkaller on 27f689959decd391b047c8034d481267d500549e...
06-Oct-2026 16:02:48: fetching kernel...
06-Oct-2026 16:02:52: checked out kernel commit 69f80fef3153299d9c72c53d1d71eef6354b6926 ("Merge tag 'ata-7.3-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/libata/linux", 2026-10-06 16:10:57 +0200 +0200)
06-Oct-2026 16:02:52: cleaning kernel...
06-Oct-2026 16:02:54: building kernel...
06-Oct-2026 16:13:52: kernel built successfully with compiler Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8
06-Oct-2026 16:13:52: testing patch...
06-Oct-2026 16:16:17: 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]:27156' (ED25519) to the list of known hosts.
[   91.871391][ T1367] cfg80211: failed to load regulatory.db
2026/10/06 16:15:30 parsed 1 programs
[   96.382105][ T5294] cgroup: Unknown subsys name 'net'
[   96.442189][ T5294] cgroup: Unknown subsys name 'cpuset'
[   96.445538][ T5294] cgroup: Unknown subsys name 'rlimit'
[  117.486478][ T1022] ata1.00: exception Emask 0x0 SAct 0x4000 SErr 0x0 action 0x6 frozen
[  117.486574][ T1022] ata1.00: failed command: WRITE FPDMA QUEUED
[  117.486587][ T1022] ata1.00: cmd 61/00:70:36:c1:04/20:00:00:00:00/40 tag 14 ncq dma 4194304 ou
[  117.486587][ T1022]          res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout)
[  117.486619][ T1022] ata1.00: status: { DRDY }
[  117.486690][ T1022] ata1: hard resetting link
[  117.810739][ T1022] ata1: SATA link up 1.5 Gbps (SStatus 113 SControl 300)
[  117.811933][ T1022] ata1.00: configured for UDMA/100
[  117.812242][ T1022] ata1: EH complete
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 (0x400000)
[  117.857708][ T1022] ata1.00: Read log 0x10 page 0x00 failed, Emask 0x1
[  117.857726][ T1022] ata1: failed to read log page 10h (errno=-5)
[  117.857738][ T1022] ata1.00: exception Emask 0x1 SAct 0x70 SErr 0x0 action 0x0
[  117.857748][ T1022] ata1.00: irq_stat 0x41000008
[  117.857758][ T1022] ata1.00: failed command: WRITE FPDMA QUEUED
[  117.857764][ T1022] ata1.00: cmd 61/00:20:36:21:05/20:00:00:00:00/40 tag 4 ncq dma 4194304 ou
[  117.857764][ T1022]          res 50/04:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error)
[  117.857793][ T1022] ata1.00: status: { DRDY }
[  117.857800][ T1022] ata1.00: error: { ABRT }
[  117.857809][ T1022] ata1.00: failed command: WRITE FPDMA QUEUED
[  117.857815][ T1022] ata1.00: cmd 61/00:28:36:41:05/20:00:00:00:00/40 tag 5 ncq dma 4194304 ou
[  117.857815][ T1022]          res 50/04:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error)
[  117.857843][ T1022] ata1.00: status: { DRDY }
[  117.857850][ T1022] ata1.00: error: { ABRT }
[  117.857859][ T1022] ata1.00: failed command: WRITE FPDMA QUEUED
[  117.857865][ T1022] ata1.00: cmd 61/00:30:36:61:05/20:00:00:00:00/40 tag 6 ncq dma 4194304 ou
[  117.857865][ T1022]          res 50/04:01:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error)
[  117.857893][ T1022] ata1.00: status: { DRDY }
[  117.857900][ T1022] ata1.00: error: { ABRT }
[  117.860359][ T1022] ata1.00: configured for UDMA/100
[  117.862583][ T1022] ata1: EH complete
[  117.950194][ T1022] ata1.00: Read log 0x10 page 0x00 failed, Emask 0x1
[  117.950214][ T1022] ata1: failed to read log page 10h (errno=-5)
[  117.950227][ T1022] ata1.00: NCQ disabled due to excessive errors
[  117.950235][ T1022] ata1.00: exception Emask 0x1 SAct 0xe000 SErr 0x0 action 0x0
[  117.950248][ T1022] ata1.00: irq_stat 0x41000000
[  117.950259][ T1022] ata1.00: failed command: WRITE FPDMA QUEUED
[  117.950266][ T1022] ata1.00: cmd 61/00:68:36:01:05/20:00:00:00:00/40 tag 13 ncq dma 4194304 ou
[  117.950266][ T1022]          res 50/04:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error)
[  117.950300][ T1022] ata1.00: status: { DRDY }
[  117.950308][ T1022] ata1.00: error: { ABRT }
[  117.950318][ T1022] ata1.00: failed command: WRITE FPDMA QUEUED
[  117.950325][ T1022] ata1.00: cmd 61/00:70:36:21:05/20:00:00:00:00/40 tag 14 ncq dma 4194304 ou
[  117.950325][ T1022]          res 50/04:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error)
[  117.950358][ T1022] ata1.00: status: { DRDY }
[  117.950366][ T1022] ata1.00: error: { ABRT }
[  117.950382][ T1022] ata1.00: failed command: WRITE FPDMA QUEUED
[  117.950390][ T1022] ata1.00: cmd 61/00:78:36:41:05/20:00:00:00:00/40 tag 15 ncq dma 4194304 ou
[  117.950390][ T1022]          res 50/04:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error)
[  117.950479][ T1022] ata1.00: status: { DRDY }
[  117.950489][ T1022] ata1.00: error: { ABRT }
[  117.954650][ T1022] ata1.00: configured for UDMA/100
[  118.031450][ T1022] 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.