14-Aug-2026 05:50:15: building syzkaller on 41d8037d336239d16aac70cd8cd917b77068d00b... 14-Aug-2026 05:50:46: fetching kernel... 14-Aug-2026 05:50:49: checked out kernel commit 2f1baf1fc8929e6c48370be543ad028ac7ad4131 ("Merge tag 'trace-v7.2-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace", 2026-08-13 16:08:22 -0700 -0700) 14-Aug-2026 05:50:49: cleaning kernel... 14-Aug-2026 05:50:51: building kernel... 14-Aug-2026 06:01:51: kernel built successfully with compiler Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8 14-Aug-2026 06:01:51: testing patch... 14-Aug-2026 06:04:13: 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 (0x393000) [ 110.933857][ T1022] ata1.00: Read log 0x10 page 0x00 failed, Emask 0x1 [ 110.944406][ T1022] ata1: failed to read log page 10h (errno=-5) [ 110.953196][ T1022] ata1.00: exception Emask 0x1 SAct 0x60 SErr 0x0 action 0x0 [ 110.958327][ T1022] ata1.00: irq_stat 0x41000000 [ 110.963703][ T1022] ata1.00: failed command: WRITE FPDMA QUEUED [ 110.970771][ T1022] ata1.00: cmd 61/98:28:9e:52:04/1c:00:00:00:00/40 tag 5 ncq dma 3747840 ou [ 110.970771][ T1022] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 110.989075][ T1022] ata1.00: status: { DRDY } [ 110.997065][ T1022] ata1.00: failed command: WRITE FPDMA QUEUED [ 111.001339][ T1022] ata1.00: cmd 61/00:30:36:6f:04/20:00:00:00:00/40 tag 6 ncq dma 4194304 ou [ 111.001339][ T1022] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 111.019691][ T1022] ata1.00: status: { DRDY } [ 111.022942][ T1022] ata1.00: configured for UDMA/100 [ 111.029276][ T1022] ata1: EH complete qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than the requested size (0x400000) [ 111.061558][ T1022] ata1.00: Read log 0x10 page 0x00 failed, Emask 0x1 [ 111.065742][ T1022] ata1: failed to read log page 10h (errno=-5) [ 111.072412][ T1022] ata1.00: exception Emask 0x1 SAct 0x600000 SErr 0x0 action 0x0 [ 111.080797][ T1022] ata1.00: irq_stat 0x41000000 [ 111.085925][ T1022] ata1.00: failed command: WRITE FPDMA QUEUED [ 111.092072][ T1022] ata1.00: cmd 61/00:a8:36:af:04/20:00:00:00:00/40 tag 21 ncq dma 4194304 ou [ 111.092072][ T1022] res 50/04:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 111.108564][ T1022] ata1.00: status: { DRDY } [ 111.113541][ T1022] ata1.00: error: { ABRT } [ 111.119561][ T1022] ata1.00: failed command: WRITE FPDMA QUEUED [ 111.127153][ T1022] ata1.00: cmd 61/00:b0:36:cf:04/06:00:00:00:00/40 tag 22 ncq dma 786432 out [ 111.127153][ T1022] res 50/04:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 111.145112][ T1022] ata1.00: status: { DRDY } [ 111.152773][ T1022] ata1.00: error: { ABRT } [ 111.159948][ T1022] ata1.00: configured for UDMA/100 [ 111.169219][ T1022] ata1: EH complete Warning: Permanently added '[localhost]:51172' (ED25519) to the list of known hosts. qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than the requested size (0x340000) [ 116.080935][ T1022] ata1.00: Read log 0x10 page 0x00 failed, Emask 0x1 [ 116.087394][ T1022] ata1: failed to read log page 10h (errno=-5) [ 116.094032][ T1022] ata1.00: NCQ disabled due to excessive errors [ 116.101436][ T1022] ata1.00: exception Emask 0x1 SAct 0x300 SErr 0x0 action 0x0 [ 116.111712][ T1022] ata1.00: irq_stat 0x41000000 [ 116.118884][ T1022] ata1.00: failed command: WRITE FPDMA QUEUED [ 116.124843][ T1022] ata1.00: cmd 61/00:40:36:d5:04/1a:00:00:00:00/40 tag 8 ncq dma 3407872 ou [ 116.124843][ T1022] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 116.140407][ T1022] ata1.00: status: { DRDY } [ 116.145108][ T1022] ata1.00: failed command: WRITE FPDMA QUEUED [ 116.150635][ T1022] ata1.00: cmd 61/00:48:36:ef:04/20:00:00:00:00/40 tag 9 ncq dma 4194304 ou [ 116.150635][ T1022] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 116.169946][ T1022] ata1.00: status: { DRDY } [ 116.173372][ T1022] ata1.00: configured for UDMA/100 [ 116.180387][ 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.