14-Aug-2026 02:28:00: building syzkaller on 6e7b5511445a3ccf42ec9b77a5844fa4e1f4fcec... 14-Aug-2026 02:28:39: fetching kernel... 14-Aug-2026 02:28:43: checked out kernel commit 2f1baf1fc8929e6c48370be543ad028ac7ad4131 ("Merge tag 'trace-v7.2-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace", 2026-08-13 16:08:22 -0700 -0700) 14-Aug-2026 02:28:43: cleaning kernel... 14-Aug-2026 02:28:45: building kernel... 14-Aug-2026 02:40:00: kernel built successfully with compiler Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8 14-Aug-2026 02:40:00: testing patch... 14-Aug-2026 02:42:48: 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 (0xb3000) qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than the requested size (0x2d8000) [ 91.813441][ T9] cfg80211: failed to load regulatory.db [ 110.384580][ T1021] ata1.00: exception Emask 0x0 SAct 0x40000100 SErr 0x0 action 0x6 frozen [ 110.388213][ T1021] ata1.00: failed command: WRITE FPDMA QUEUED [ 110.390851][ T1021] ata1.00: cmd 61/c0:40:36:c1:04/16:00:00:00:00/40 tag 8 ncq dma 2981888 ou [ 110.390851][ T1021] res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout) [ 110.399030][ T1021] ata1.00: status: { DRDY } [ 110.401185][ T1021] ata1.00: failed command: WRITE FPDMA QUEUED [ 110.403780][ T1021] ata1.00: cmd 61/98:f0:2e:76:04/05:00:00:00:00/40 tag 30 ncq dma 733184 out [ 110.403780][ T1021] res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout) [ 110.411325][ T1021] ata1.00: status: { DRDY } [ 110.413941][ T1021] ata1: hard resetting link [ 110.736128][ T1021] ata1: SATA link up 1.5 Gbps (SStatus 113 SControl 300) [ 110.741069][ T1021] ata1.00: configured for UDMA/100 [ 110.744390][ T1021] ata1: EH complete qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than the requested size (0x3e7000) Warning: Permanently added '[localhost]:25209' (ED25519) to the list of known hosts. 2026/08/14 02:42:00 parsed 1 programs [ 119.080782][ T5293] cgroup: Unknown subsys name 'net' [ 119.149522][ T5293] cgroup: Unknown subsys name 'cpuset' [ 119.155821][ T5293] cgroup: Unknown subsys name 'rlimit' [ 137.886035][ T1324] ieee802154 phy0 wpan0: encryption failed: -22 [ 137.888903][ T1324] ieee802154 phy1 wpan1: encryption failed: -22 [ 141.104527][ T1021] ata1.00: exception Emask 0x0 SAct 0x20 SErr 0x0 action 0x6 frozen [ 141.108164][ T1021] ata1.00: failed command: WRITE FPDMA QUEUED [ 141.110878][ T1021] ata1.00: cmd 61/38:28:f6:d7:04/1f:00:00:00:00/40 tag 5 ncq dma 4091904 ou [ 141.110878][ T1021] res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout) [ 141.118587][ T1021] ata1.00: status: { DRDY } [ 141.121244][ T1021] ata1: hard resetting link [ 141.445421][ T1021] ata1: SATA link up 1.5 Gbps (SStatus 113 SControl 300) [ 141.449363][ T1021] ata1.00: configured for UDMA/100 [ 141.451895][ T1021] ata1: EH complete qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than the requested size (0x400000) [ 141.575435][ T1021] ata1.00: Read log 0x10 page 0x00 failed, Emask 0x1 [ 141.578414][ T1021] ata1: failed to read log page 10h (errno=-5) [ 141.581057][ T1021] ata1.00: NCQ disabled due to excessive errors [ 141.583812][ T1021] ata1.00: exception Emask 0x1 SAct 0x18000000 SErr 0x0 action 0x0 [ 141.587552][ T1021] ata1.00: irq_stat 0x41000000 [ 141.590112][ T1021] ata1.00: failed command: WRITE FPDMA QUEUED [ 141.592859][ T1021] ata1.00: cmd 61/00:d8:36:01:05/20:00:00:00:00/40 tag 27 ncq dma 4194304 ou [ 141.592859][ T1021] res 50/04:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 141.600840][ T1021] ata1.00: status: { DRDY } [ 141.602887][ T1021] ata1.00: error: { ABRT } [ 141.605295][ T1021] ata1.00: failed command: WRITE FPDMA QUEUED [ 141.608109][ T1021] ata1.00: cmd 61/08:e0:36:01:08/00:00:00:00:00/40 tag 28 ncq dma 4096 out [ 141.608109][ T1021] res 50/04:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 141.615876][ T1021] ata1.00: status: { DRDY } [ 141.617992][ T1021] ata1.00: error: { ABRT } [ 141.621141][ T1021] ata1.00: configured for UDMA/100 [ 141.623932][ T1021] 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.