14-Aug-2026 07:41:30: building syzkaller on 41d8037d336239d16aac70cd8cd917b77068d00b...
14-Aug-2026 07:42:05: fetching kernel...
14-Aug-2026 07:42:09: 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 07:42:09: cleaning kernel...
14-Aug-2026 07:42:11: building kernel...
14-Aug-2026 07:54:43: 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 07:54:43: testing patch...
14-Aug-2026 07:57:39: 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)
[  115.790040][ T1021] ata1.00: Read log 0x10 page 0x00 failed, Emask 0x1
[  115.799274][ T1021] ata1: failed to read log page 10h (errno=-5)
[  115.807736][ T1021] ata1.00: exception Emask 0x1 SAct 0x60 SErr 0x0 action 0x0
[  115.818052][ T1021] ata1.00: irq_stat 0x40000000
[  115.825468][ T1021] ata1.00: failed command: WRITE FPDMA QUEUED
[  115.832399][ T1021] ata1.00: cmd 61/00:28:36:51:04/20:00:00:00:00/40 tag 5 ncq dma 4194304 ou
[  115.832399][ T1021]          res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error)
[  115.858621][ T1021] ata1.00: status: { DRDY }
[  115.860775][ T1021] ata1.00: failed command: WRITE FPDMA QUEUED
[  115.863593][ T1021] ata1.00: cmd 61/c0:30:36:71:04/03:00:00:00:00/40 tag 6 ncq dma 491520 out
[  115.863593][ T1021]          res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error)
[  115.886835][ T1021] ata1.00: status: { DRDY }
[  115.890143][ T1021] ata1.00: configured for UDMA/100
[  115.892966][ T1021] ata1: EH complete
qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than the requested size (0x400000)
Warning: Permanently added '[localhost]:40090' (ED25519) to the list of known hosts.
[  148.297087][ T1021] ata1.00: NCQ disabled due to excessive errors
[  148.301586][ T1021] ata1.00: exception Emask 0x0 SAct 0x40000000 SErr 0x0 action 0x6 frozen
[  148.307745][ T1021] ata1.00: failed command: WRITE FPDMA QUEUED
[  148.311642][ T1021] ata1.00: cmd 61/00:f0:36:b1:04/20:00:00:00:00/40 tag 30 ncq dma 4194304 ou
[  148.311642][ T1021]          res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout)
[  148.319759][ T1021] ata1.00: status: { DRDY }
[  148.321958][ T1021] ata1: hard resetting link
[  148.639688][ T1021] ata1: SATA link up 1.5 Gbps (SStatus 113 SControl 300)
[  148.644007][ T1021] ata1.00: configured for UDMA/100
[  148.646588][ T1021] 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.