16-Sep-2026 11:39:28: building syzkaller on 252fbbadf10d41c4028958c2b430c1291c1f9201...
16-Sep-2026 11:39:57: fetching kernel...
16-Sep-2026 11:40:00: checked out kernel commit 9b87fdc9af2fbfcdb5c24a64139685ef80f6573f ("Merge tag 'sched_ext-for-7.3-rc3-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/sched_ext", 2026-09-15 11:57:51 -0700 -0700)
16-Sep-2026 11:40:00: cleaning kernel...
16-Sep-2026 11:40:02: building kernel...
16-Sep-2026 11:51:59: kernel built successfully with compiler Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8
16-Sep-2026 11:51:59: testing patch...
16-Sep-2026 11:53:58: aggregating test results failed: lost connection to test machine



Warning: Permanently added '[localhost]:17077' (ED25519) to the list of known hosts.
syzkaller login: [   92.000492][    T9] cfg80211: failed to load regulatory.db
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 (0x33b000)
[   92.963203][ T1024] ata1.00: Read log 0x10 page 0x00 failed, Emask 0x1
[   92.963224][ T1024] ata1: failed to read log page 10h (errno=-5)
[   92.963236][ T1024] ata1.00: exception Emask 0x1 SAct 0x380 SErr 0x0 action 0x0
[   92.963247][ T1024] ata1.00: irq_stat 0x41000000
[   92.963257][ T1024] ata1.00: failed command: WRITE FPDMA QUEUED
[   92.963265][ T1024] ata1.00: cmd 61/00:38:36:e1:04/20:00:00:00:00/40 tag 7 ncq dma 4194304 ou
[   92.963265][ T1024]          res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error)
[   92.963297][ T1024] ata1.00: status: { DRDY }
[   92.963306][ T1024] ata1.00: failed command: WRITE FPDMA QUEUED
[   92.963311][ T1024] ata1.00: cmd 61/00:40:36:01:05/20:00:00:00:00/40 tag 8 ncq dma 4194304 ou
[   92.963311][ T1024]          res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error)
[   92.963341][ T1024] ata1.00: status: { DRDY }
[   92.963350][ T1024] ata1.00: failed command: WRITE FPDMA QUEUED
[   92.963357][ T1024] ata1.00: cmd 61/d8:48:36:21:05/19:00:00:00:00/40 tag 9 ncq dma 3387392 ou
[   92.963357][ T1024]          res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error)
[   92.963386][ T1024] ata1.00: status: { DRDY }
[   92.964268][ T1024] ata1.00: configured for UDMA/100
[   92.965021][ T1024] ata1: EH complete
[   93.048532][ T1024] ata1.00: Read log 0x10 page 0x00 failed, Emask 0x1
[   93.048553][ T1024] ata1: failed to read log page 10h (errno=-5)
[   93.048564][ T1024] ata1.00: NCQ disabled due to excessive errors
[   93.048572][ T1024] ata1.00: exception Emask 0x1 SAct 0x3800000 SErr 0x0 action 0x0
[   93.048584][ T1024] ata1.00: irq_stat 0x40000000
[   93.048595][ T1024] ata1.00: failed command: WRITE FPDMA QUEUED
[   93.048603][ T1024] ata1.00: cmd 61/00:b8:36:01:05/20:00:00:00:00/40 tag 23 ncq dma 4194304 ou
[   93.048603][ T1024]          res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error)
[   93.048634][ T1024] ata1.00: status: { DRDY }
[   93.048642][ T1024] ata1.00: failed command: WRITE FPDMA QUEUED
[   93.048647][ T1024] ata1.00: cmd 61/d8:c0:36:21:05/19:00:00:00:00/40 tag 24 ncq dma 3387392 ou
[   93.048647][ T1024]          res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error)
[   93.048676][ T1024] ata1.00: status: { DRDY }
[   93.048685][ T1024] ata1.00: failed command: WRITE FPDMA QUEUED
[   93.048692][ T1024] ata1.00: cmd 61/40:c8:36:41:05/05:00:00:00:00/40 tag 25 ncq dma 688128 out
[   93.048692][ T1024]          res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error)
[   93.048723][ T1024] ata1.00: status: { DRDY }
[   93.109371][ T1024] ata1.00: configured for UDMA/100
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.