29-Sep-2026 22:51:12: building syzkaller on 568559e4e604140cecd9fc4835eaa0298a1cadcc...
29-Sep-2026 22:51:55: fetching kernel...
29-Sep-2026 22:51:59: checked out kernel commit a243ede718463c7b481878656f1ff32a0ce0fd54 ("Merge tag 'mtd/fixes-for-7.3-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux", 2026-09-29 13:45:18 -0700 -0700)
29-Sep-2026 22:51:59: cleaning kernel...
29-Sep-2026 22:52:01: building kernel...
29-Sep-2026 23:03:13: kernel built successfully with compiler Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8
29-Sep-2026 23:03:13: testing patch...
29-Sep-2026 23:05:38: 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)
Warning: Permanently added '[localhost]:32335' (ED25519) to the list of known hosts.
[   92.002898][ T1458] cfg80211: failed to load regulatory.db
2026/09/29 23:04:51 parsed 1 programs
[   96.357588][ T5286] cgroup: Unknown subsys name 'net'
[   96.412962][ T5286] cgroup: Unknown subsys name 'cpuset'
[   96.416994][ T5286] cgroup: Unknown subsys name 'rlimit'
[  118.248969][ T1024] ata1.00: exception Emask 0x0 SAct 0x100 SErr 0x0 action 0x6 frozen
[  118.248997][ T1024] ata1.00: failed command: WRITE FPDMA QUEUED
[  118.249003][ T1024] ata1.00: cmd 61/00:40:36:81:04/20:00:00:00:00/40 tag 8 ncq dma 4194304 ou
[  118.249003][ T1024]          res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout)
[  118.249022][ T1024] ata1.00: status: { DRDY }
[  118.249064][ T1024] ata1: hard resetting link
[  118.572556][ T1024] ata1: SATA link up 1.5 Gbps (SStatus 113 SControl 300)
[  118.573648][ T1024] ata1.00: configured for UDMA/100
[  118.575329][ T1024] ata1: EH complete
qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than the requested size (0x400000)
qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than the requested size (0x400000)
[  118.612054][ T1024] ata1.00: Read log 0x10 page 0x00 failed, Emask 0x1
[  118.612074][ T1024] ata1: failed to read log page 10h (errno=-5)
[  118.612087][ T1024] ata1.00: exception Emask 0x1 SAct 0x3b00000 SErr 0x0 action 0x0
[  118.612098][ T1024] ata1.00: irq_stat 0x40000000
[  118.612110][ T1024] ata1.00: failed command: WRITE FPDMA QUEUED
[  118.612117][ T1024] ata1.00: cmd 61/00:a0:36:81:04/20:00:00:00:00/40 tag 20 ncq dma 4194304 ou
[  118.612117][ T1024]          res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error)
[  118.612146][ T1024] ata1.00: status: { DRDY }
[  118.612156][ T1024] ata1.00: failed command: WRITE FPDMA QUEUED
[  118.612162][ T1024] ata1.00: cmd 61/08:a8:9e:04:10/00:00:00:00:00/40 tag 21 ncq dma 4096 out
[  118.612162][ T1024]          res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error)
[  118.612192][ T1024] ata1.00: status: { DRDY }
[  118.612201][ T1024] ata1.00: failed command: WRITE FPDMA QUEUED
[  118.612207][ T1024] ata1.00: cmd 61/00:b8:36:01:05/20:00:00:00:00/40 tag 23 ncq dma 4194304 ou
[  118.612207][ T1024]          res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error)
[  118.612236][ T1024] ata1.00: status: { DRDY }
[  118.612245][ T1024] ata1.00: failed command: WRITE FPDMA QUEUED
[  118.612252][ T1024] ata1.00: cmd 61/00:c0:36:21:05/20:00:00:00:00/40 tag 24 ncq dma 4194304 ou
[  118.612252][ T1024]          res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error)
[  118.612280][ T1024] ata1.00: status: { DRDY }
[  118.612289][ T1024] ata1.00: failed command: WRITE FPDMA QUEUED
[  118.612296][ T1024] ata1.00: cmd 61/00:c8:36:41:05/20:00:00:00:00/40 tag 25 ncq dma 4194304 ou
[  118.612296][ T1024]          res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error)
[  118.612326][ T1024] ata1.00: status: { DRDY }
[  118.613286][ T1024] ata1.00: configured for UDMA/100
[  118.613976][ T1024] ata1: EH complete
[  118.705374][ T1024] ata1.00: Read log 0x10 page 0x00 failed, Emask 0x1
[  118.705390][ T1024] ata1: failed to read log page 10h (errno=-5)
[  118.705401][ T1024] ata1.00: NCQ disabled due to excessive errors
[  118.705408][ T1024] ata1.00: exception Emask 0x1 SAct 0x60000001 SErr 0x0 action 0x0
[  118.705418][ T1024] ata1.00: irq_stat 0x41000000
[  118.705427][ T1024] ata1.00: failed command: WRITE FPDMA QUEUED
[  118.705434][ T1024] ata1.00: cmd 61/08:00:9e:04:10/00:00:00:00:00/40 tag 0 ncq dma 4096 out
[  118.705434][ T1024]          res 50/04:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error)
[  118.705463][ T1024] ata1.00: status: { DRDY }
[  118.705470][ T1024] ata1.00: error: { ABRT }
[  118.705480][ T1024] ata1.00: failed command: WRITE FPDMA QUEUED
[  118.705486][ T1024] ata1.00: cmd 61/00:e8:36:61:05/20:00:00:00:00/40 tag 29 ncq dma 4194304 ou
[  118.705486][ T1024]          res 50/04:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error)
[  118.705513][ T1024] ata1.00: status: { DRDY }
[  118.705520][ T1024] ata1.00: error: { ABRT }
[  118.705529][ T1024] ata1.00: failed command: WRITE FPDMA QUEUED
[  118.705535][ T1024] ata1.00: cmd 61/00:f0:36:81:04/20:00:00:00:00/40 tag 30 ncq dma 4194304 ou
[  118.705535][ T1024]          res 50/04:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error)
[  118.705563][ T1024] ata1.00: status: { DRDY }
[  118.705569][ T1024] ata1.00: error: { ABRT }
[  118.720757][ T1024] ata1.00: configured for UDMA/100
[  118.775817][ 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.