02-Sep-2026 11:17:04: building syzkaller on 875573af37b09758ab48042f2b8a368097204888... 02-Sep-2026 11:17:40: fetching kernel... 02-Sep-2026 11:17:43: checked out kernel commit 89a312991dc6e638a36adc43ccb91dbc25504c04 ("Merge tag 'cifs-fixes-7.3-rc2' of https://git.manguebit.org/linux", 2026-09-01 13:37:14 -0700 -0700) 02-Sep-2026 11:17:43: cleaning kernel... 02-Sep-2026 11:17:45: building kernel... 02-Sep-2026 11:29:35: kernel built successfully with compiler Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8 02-Sep-2026 11:29:35: testing patch... 02-Sep-2026 11:32:05: 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) [ 117.810281][ T1024] ata1.00: Read log 0x10 page 0x00 failed, Emask 0x1 [ 117.810351][ T1024] ata1: failed to read log page 10h (errno=-5) [ 117.810394][ T1024] ata1.00: exception Emask 0x1 SAct 0x18000000 SErr 0x0 action 0x0 [ 117.810425][ T1024] ata1.00: irq_stat 0x41000000 [ 117.810456][ T1024] ata1.00: failed command: WRITE FPDMA QUEUED [ 117.810482][ T1024] ata1.00: cmd 61/00:d8:36:81:04/20:00:00:00:00/40 tag 27 ncq dma 4194304 ou [ 117.810482][ T1024] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 117.810531][ T1024] ata1.00: status: { DRDY } [ 117.810561][ T1024] ata1.00: failed command: WRITE FPDMA QUEUED [ 117.810586][ T1024] ata1.00: cmd 61/00:e0:36:a1:04/20:00:00:00:00/40 tag 28 ncq dma 4194304 ou [ 117.810586][ T1024] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 117.810640][ T1024] ata1.00: status: { DRDY } [ 117.853025][ T1024] ata1.00: configured for UDMA/100 [ 117.856758][ T1024] ata1: EH complete qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than the requested size (0x400000) [ 117.878867][ T1024] ata1.00: Read log 0x10 page 0x00 failed, Emask 0x1 [ 117.878940][ T1024] ata1: failed to read log page 10h (errno=-5) [ 117.878983][ T1024] ata1.00: NCQ disabled due to excessive errors [ 117.879015][ T1024] ata1.00: exception Emask 0x1 SAct 0x600040 SErr 0x0 action 0x0 [ 117.879046][ T1024] ata1.00: irq_stat 0x41000000 [ 117.879078][ T1024] ata1.00: failed command: WRITE FPDMA QUEUED [ 117.879105][ T1024] ata1.00: cmd 61/00:30:36:c1:04/20:00:00:00:00/40 tag 6 ncq dma 4194304 ou [ 117.879105][ T1024] res 50/04:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 117.879157][ T1024] ata1.00: status: { DRDY } [ 117.879184][ T1024] ata1.00: error: { ABRT } [ 117.879216][ T1024] ata1.00: failed command: WRITE FPDMA QUEUED [ 117.879242][ T1024] ata1.00: cmd 61/00:a8:36:81:04/20:00:00:00:00/40 tag 21 ncq dma 4194304 ou [ 117.879242][ T1024] res 50/04:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 117.879290][ T1024] ata1.00: status: { DRDY } [ 117.879319][ T1024] ata1.00: error: { ABRT } [ 117.879353][ T1024] ata1.00: failed command: WRITE FPDMA QUEUED [ 117.922918][ T1024] ata1.00: cmd 61/00:b0:36:a1:04/20:00:00:00:00/40 tag 22 ncq dma 4194304 ou [ 117.922918][ T1024] res 50/04:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 117.922955][ T1024] ata1.00: status: { DRDY } [ 117.922963][ T1024] ata1.00: error: { ABRT } [ 117.941484][ T1024] ata1.00: configured for UDMA/100 [ 117.944769][ T1024] ata1: EH complete Warning: Permanently added '[localhost]:55833' (ED25519) to the list of known hosts. 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.