30-Aug-2026 08:51:27: building syzkaller on 49379ee008e5f2af6e551c2e23fcd6b1ebb4d5c2...
30-Aug-2026 08:51:54: fetching kernel...
30-Aug-2026 08:51:56: checked out kernel commit 08dbfad3f5040f5bdb6c529da20d6d4e81fefd72 ("Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mkp/scsi", 2026-08-29 11:55:36 -0700 -0700)
30-Aug-2026 08:51:56: cleaning kernel...
30-Aug-2026 08:51:58: building kernel...
30-Aug-2026 09:03:13: kernel built successfully with compiler Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8
30-Aug-2026 09:03:13: testing patch...
30-Aug-2026 09:05:42: 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 (0x2e7000)
qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than the requested size (0x400000)
Warning: Permanently added '[localhost]:19212' (ED25519) to the list of known hosts.
[   91.933257][    T9] cfg80211: failed to load regulatory.db
2026/08/30 09:04:52 parsed 1 programs
[   97.553300][ T5296] cgroup: Unknown subsys name 'net'
[   97.610606][ T5296] cgroup: Unknown subsys name 'cpuset'
[   97.617466][ T5296] cgroup: Unknown subsys name 'rlimit'
[  118.176174][ T1024] ata1.00: exception Emask 0x0 SAct 0x9000000 SErr 0x0 action 0x6 frozen
[  118.180092][ T1024] ata1.00: failed command: WRITE FPDMA QUEUED
[  118.183447][ T1024] ata1.00: cmd 61/38:c0:36:81:04/17:00:00:00:00/40 tag 24 ncq dma 3043328 ou
[  118.183447][ T1024]          res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout)
[  118.191096][ T1024] ata1.00: status: { DRDY }
[  118.193486][ T1024] ata1.00: failed command: WRITE FPDMA QUEUED
[  118.196566][ T1024] ata1.00: cmd 61/00:d8:36:c1:04/20:00:00:00:00/40 tag 27 ncq dma 4194304 ou
[  118.196566][ T1024]          res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout)
[  118.203871][ T1024] ata1.00: status: { DRDY }
[  118.206401][ T1024] ata1: hard resetting link
[  118.527612][ T1024] ata1: SATA link up 1.5 Gbps (SStatus 113 SControl 300)
[  118.531850][ T1024] ata1.00: configured for UDMA/100
[  118.536042][ T1024] ata1: EH complete
qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than the requested size (0x2e7000)
[  118.567229][ T1024] ata1.00: Read log 0x10 page 0x00 failed, Emask 0x1
[  118.570252][ T1024] ata1: failed to read log page 10h (errno=-5)
[  118.570303][ T1024] ata1.00: exception Emask 0x1 SAct 0xe000 SErr 0x0 action 0x0
[  118.570339][ T1024] ata1.00: irq_stat 0x41000000
[  118.570376][ T1024] ata1.00: failed command: WRITE FPDMA QUEUED
[  118.570402][ T1024] ata1.00: cmd 61/00:68:36:21:05/20:00:00:00:00/40 tag 13 ncq dma 4194304 ou
[  118.570402][ T1024]          res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error)
[  118.570454][ T1024] ata1.00: status: { DRDY }
[  118.570483][ T1024] ata1.00: failed command: WRITE FPDMA QUEUED
[  118.570509][ T1024] ata1.00: cmd 61/38:70:36:81:04/17:00:00:00:00/40 tag 14 ncq dma 3043328 ou
[  118.570509][ T1024]          res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error)
[  118.570559][ T1024] ata1.00: status: { DRDY }
[  118.570588][ T1024] ata1.00: failed command: WRITE FPDMA QUEUED
[  118.570614][ T1024] ata1.00: cmd 61/00:78:36:c1:04/20:00:00:00:00/40 tag 15 ncq dma 4194304 ou
[  118.570614][ T1024]          res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error)
[  118.570663][ T1024] ata1.00: status: { DRDY }
[  118.617007][ T1024] ata1.00: configured for UDMA/100
[  118.619821][ T1024] ata1: EH complete
[  120.021100][ T5296] 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)
[  121.797603][ T1024] ata1.00: Read log 0x10 page 0x00 failed, Emask 0x1
[  121.800583][ T1024] ata1: failed to read log page 10h (errno=-5)
[  121.804606][ T1024] ata1.00: NCQ disabled due to excessive errors
[  121.809111][ T1024] ata1.00: exception Emask 0x1 SAct 0x18000000 SErr 0x0 action 0x0
[  121.809158][ T1024] ata1.00: irq_stat 0x40000000
[  121.809191][ T1024] ata1.00: failed command: WRITE FPDMA QUEUED
[  121.809219][ T1024] ata1.00: cmd 61/00:d8:36:41:0c/20:00:00:00:00/40 tag 27 ncq dma 4194304 ou
[  121.809219][ T1024]          res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error)
[  121.809269][ T1024] ata1.00: status: { DRDY }
[  121.809301][ T1024] ata1.00: failed command: WRITE FPDMA QUEUED
[  121.809327][ T1024] ata1.00: cmd 61/b0:e0:36:61:0c/0d:00:00:00:00/40 tag 28 ncq dma 1794048 ou
[  121.809327][ T1024]          res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error)
[  121.809377][ T1024] ata1.00: status: { DRDY }
[  121.849349][ T1024] ata1.00: configured for UDMA/100
[  121.853017][ T1024] 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.