15-Sep-2026 11:23:32: building syzkaller on 804b39197cace4df6f069d31e585d66e9c136a88... 15-Sep-2026 11:23:57: fetching kernel... 15-Sep-2026 11:24:00: checked out kernel commit 587858367581b9c55c3690f4e63382ad622719d4 ("Merge tag 'nfsd-7.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/cel/linux", 2026-09-14 10:41:30 -0700 -0700) 15-Sep-2026 11:24:00: cleaning kernel... 15-Sep-2026 11:24:02: building kernel... 15-Sep-2026 11:35:51: kernel built successfully with compiler Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8 15-Sep-2026 11:35:51: testing patch... 15-Sep-2026 11:38:47: 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 (0xb5000) Warning: Permanently added '[localhost]:8177' (ED25519) to the list of known hosts. [ 91.988641][ T807] cfg80211: failed to load regulatory.db 2026/09/15 11:37:29 parsed 1 programs [ 96.881231][ T5291] cgroup: Unknown subsys name 'net' [ 96.938726][ T5291] cgroup: Unknown subsys name 'cpuset' [ 96.943086][ T5291] cgroup: Unknown subsys name 'rlimit' [ 117.594466][ T1024] ata1.00: exception Emask 0x0 SAct 0x4000 SErr 0x0 action 0x6 frozen [ 117.594583][ T1024] ata1.00: failed command: WRITE FPDMA QUEUED [ 117.594593][ T1024] ata1.00: cmd 61/a8:70:6e:5e:04/05:00:00:00:00/40 tag 14 ncq dma 741376 out [ 117.594593][ T1024] res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout) [ 117.594624][ T1024] ata1.00: status: { DRDY } [ 117.594680][ T1024] ata1: hard resetting link [ 117.916859][ T1024] ata1: SATA link up 1.5 Gbps (SStatus 113 SControl 300) [ 117.918121][ T1024] ata1.00: configured for UDMA/100 [ 117.918387][ T1024] ata1: EH complete qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than the requested size (0xb5000) [ 117.944953][ T1024] ata1.00: Read log 0x10 page 0x00 failed, Emask 0x1 qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than the requested size (0xa8000) [ 117.944972][ T1024] ata1: failed to read log page 10h (errno=-5) [ 117.944985][ T1024] ata1.00: exception Emask 0x1 SAct 0x40000000 SErr 0x0 action 0x0 [ 117.944997][ T1024] ata1.00: irq_stat 0x41000008 [ 117.945015][ T1024] ata1.00: failed command: WRITE FPDMA QUEUED [ 117.945022][ T1024] ata1.00: cmd 61/a8:f0:6e:5e:04/05:00:00:00:00/40 tag 30 ncq dma 741376 out [ 117.945022][ T1024] res 50/04:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 117.945050][ T1024] ata1.00: status: { DRDY } [ 117.945058][ T1024] ata1.00: error: { ABRT } [ 117.946071][ T1024] ata1.00: configured for UDMA/100 [ 117.946357][ T1024] ata1: EH complete [ 138.056425][ T1331] ieee802154 phy0 wpan0: encryption failed: -22 [ 138.056479][ T1331] ieee802154 phy1 wpan1: encryption failed: -22 [ 148.314541][ T1024] ata1.00: NCQ disabled due to excessive errors [ 148.314641][ T1024] ata1.00: exception Emask 0x0 SAct 0x4000 SErr 0x0 action 0x6 frozen [ 148.314665][ T1024] ata1.00: failed command: WRITE FPDMA QUEUED [ 148.314671][ T1024] ata1.00: cmd 61/40:70:e6:54:05/05:00:00:00:00/40 tag 14 ncq dma 688128 out [ 148.314671][ T1024] res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout) [ 148.314692][ T1024] ata1.00: status: { DRDY } [ 148.314773][ T1024] ata1: hard resetting link [ 148.635914][ T1024] ata1: SATA link up 1.5 Gbps (SStatus 113 SControl 300) [ 148.636886][ T1024] ata1.00: configured for UDMA/100 [ 148.637164][ 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.