05-Oct-2026 05:44:18: building syzkaller on b0714e3765d142fe4804381880268a54cb4b984c...
05-Oct-2026 05:44:45: fetching kernel...
05-Oct-2026 05:44:49: checked out kernel commit a90ee4305c4a5df72c11b31dacfdc76e00fcf78a ("Linux 7.3-rc6", 2026-10-04 13:45:25 -0700 -0700)
05-Oct-2026 05:44:49: cleaning kernel...
05-Oct-2026 05:44:51: building kernel...
05-Oct-2026 05:56:06: kernel built successfully with compiler Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8
05-Oct-2026 05:56:06: testing patch...
05-Oct-2026 05:58:24: 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 (0xd9000)
qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than the requested size (0xaf000)
Warning: Permanently added '[localhost]:4647' (ED25519) to the list of known hosts.
2026/10/05 05:57:36 parsed 1 programs
[   88.953275][ T5294] cgroup: Unknown subsys name 'net'
[   89.007390][ T5294] cgroup: Unknown subsys name 'cpuset'
[   89.015900][ T5294] cgroup: Unknown subsys name 'rlimit'
[   91.933954][  T868] cfg80211: failed to load regulatory.db
[  110.510031][ T1026] ata1.00: exception Emask 0x0 SAct 0x40004000 SErr 0x0 action 0x6 frozen
[  110.510070][ T1026] ata1.00: failed command: WRITE FPDMA QUEUED
[  110.510078][ T1026] ata1.00: cmd 61/c8:70:c6:49:04/06:00:00:00:00/40 tag 14 ncq dma 888832 out
[  110.510078][ T1026]          res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout)
[  110.510112][ T1026] ata1.00: status: { DRDY }
[  110.510123][ T1026] ata1.00: failed command: WRITE FPDMA QUEUED
[  110.510130][ T1026] ata1.00: cmd 61/78:f0:c6:9a:04/05:00:00:00:00/40 tag 30 ncq dma 716800 out
[  110.510130][ T1026]          res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout)
[  110.510166][ T1026] ata1.00: status: { DRDY }
[  110.510217][ T1026] ata1: hard resetting link
[  110.830702][ T1026] ata1: SATA link up 1.5 Gbps (SStatus 113 SControl 300)
[  110.831711][ T1026] ata1.00: configured for UDMA/100
[  110.832588][ T1026] ata1: EH complete
qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than the requested size (0x400000)
[  110.863773][ T1026] ata1.00: Read log 0x10 page 0x00 failed, Emask 0x1
[  110.863790][ T1026] ata1: failed to read log page 10h (errno=-5)
[  110.863804][ T1026] ata1.00: exception Emask 0x1 SAct 0x700000 SErr 0x0 action 0x0
[  110.863816][ T1026] ata1.00: irq_stat 0x41000000
[  110.863827][ T1026] ata1.00: failed command: WRITE FPDMA QUEUED
[  110.863834][ T1026] ata1.00: cmd 61/00:a0:36:01:05/20:00:00:00:00/40 tag 20 ncq dma 4194304 ou
[  110.863834][ T1026]          res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error)
[  110.863867][ T1026] ata1.00: status: { DRDY }
[  110.863877][ T1026] ata1.00: failed command: WRITE FPDMA QUEUED
qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than the requested size (0x400000)
[  110.863883][ T1026] ata1.00: cmd 61/00:a8:36:21:05/20:00:00:00:00/40 tag 21 ncq dma 4194304 ou
[  110.863883][ T1026]          res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error)
[  110.863915][ T1026] ata1.00: status: { DRDY }
[  110.863924][ T1026] ata1.00: failed command: WRITE FPDMA QUEUED
[  110.863931][ T1026] ata1.00: cmd 61/00:b0:36:41:05/20:00:00:00:00/40 tag 22 ncq dma 4194304 ou
[  110.863931][ T1026]          res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error)
[  110.863962][ T1026] ata1.00: status: { DRDY }
[  110.866703][ T1026] ata1.00: configured for UDMA/100
[  110.892646][ T1026] ata1: EH complete
[  110.955312][ T1026] ata1.00: Read log 0x10 page 0x00 failed, Emask 0x1
[  110.955329][ T1026] ata1: failed to read log page 10h (errno=-5)
[  110.955341][ T1026] ata1.00: NCQ disabled due to excessive errors
[  110.955349][ T1026] ata1.00: exception Emask 0x1 SAct 0x7c SErr 0x0 action 0x0
[  110.955359][ T1026] ata1.00: irq_stat 0x41000000
[  110.955369][ T1026] ata1.00: failed command: WRITE FPDMA QUEUED
[  110.955376][ T1026] ata1.00: cmd 61/00:10:36:61:05/20:00:00:00:00/40 tag 2 ncq dma 4194304 ou
[  110.955376][ T1026]          res 50/04:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error)
[  110.955403][ T1026] ata1.00: status: { DRDY }
[  110.955411][ T1026] ata1.00: error: { ABRT }
[  110.955420][ T1026] ata1.00: failed command: WRITE FPDMA QUEUED
[  110.957319][ T1026] ata1.00: cmd 61/00:18:36:01:05/20:00:00:00:00/40 tag 3 ncq dma 4194304 ou
[  110.957319][ T1026]          res 50/04:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error)
[  110.957353][ T1026] ata1.00: status: { DRDY }
[  110.957360][ T1026] ata1.00: error: { ABRT }
[  110.957370][ T1026] ata1.00: failed command: WRITE FPDMA QUEUED
[  110.957377][ T1026] ata1.00: cmd 61/00:20:36:21:05/20:00:00:00:00/40 tag 4 ncq dma 4194304 ou
[  110.957377][ T1026]          res 50/04:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error)
[  110.958215][ T1026] ata1.00: status: { DRDY }
[  110.958225][ T1026] ata1.00: error: { ABRT }
[  110.958235][ T1026] ata1.00: failed command: WRITE FPDMA QUEUED
[  110.958242][ T1026] ata1.00: cmd 61/00:28:36:41:05/20:00:00:00:00/40 tag 5 ncq dma 4194304 ou
[  110.958242][ T1026]          res 50/04:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error)
[  110.958271][ T1026] ata1.00: status: { DRDY }
[  110.958278][ T1026] ata1.00: error: { ABRT }
[  110.958287][ T1026] ata1.00: failed command: WRITE FPDMA QUEUED
[  110.958294][ T1026] ata1.00: cmd 61/20:30:36:81:05/07:00:00:00:00/40 tag 6 ncq dma 933888 out
[  110.958294][ T1026]          res 50/04:01:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error)
[  110.958323][ T1026] ata1.00: status: { DRDY }
[  110.958330][ T1026] ata1.00: error: { ABRT }
[  111.049208][ T1026] ata1.00: configured for UDMA/100
[  111.069602][ T1026] 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.