14-Aug-2026 10:22:43: building syzkaller on d1b870e1003b52891d2196c1e2ee42fe905010ba... 14-Aug-2026 10:23:15: fetching kernel... 14-Aug-2026 10:23:18: 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 10:23:18: cleaning kernel... 14-Aug-2026 10:23:20: building kernel... 14-Aug-2026 10:36:28: 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 10:36:28: testing patch... 14-Aug-2026 10:39:30: 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]:33268' (ED25519) to the list of known hosts. 2026/08/14 10:38:43 parsed 1 programs [ 134.847057][ T5286] cgroup: Unknown subsys name 'net' [ 134.906580][ T5286] cgroup: Unknown subsys name 'cpuset' [ 134.915024][ T5286] cgroup: Unknown subsys name 'rlimit' [ 143.153611][ T1323] ieee802154 phy0 wpan0: encryption failed: -22 [ 143.157402][ T1323] ieee802154 phy1 wpan1: encryption failed: -22 [ 154.050517][ T1022] ata1.00: exception Emask 0x0 SAct 0x200000 SErr 0x0 action 0x6 frozen [ 154.055321][ T1022] ata1.00: failed command: WRITE FPDMA QUEUED [ 154.059907][ T1022] ata1.00: cmd 61/00:a8:36:c1:04/20:00:00:00:00/40 tag 21 ncq dma 4194304 ou [ 154.059907][ T1022] res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout) [ 154.070040][ T1022] ata1.00: status: { DRDY } [ 154.073022][ T1022] ata1: hard resetting link [ 154.393271][ T1022] ata1: SATA link up 1.5 Gbps (SStatus 113 SControl 300) [ 154.398128][ T1022] ata1.00: configured for UDMA/100 [ 154.402062][ T1022] ata1: EH complete qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than the requested size (0x400000) [ 154.432041][ T1022] ata1.00: Read log 0x10 page 0x00 failed, Emask 0x1 [ 154.435359][ T1022] ata1: failed to read log page 10h (errno=-5) [ 154.438691][ T1022] ata1.00: NCQ disabled due to excessive errors [ 154.442203][ T1022] ata1.00: exception Emask 0x1 SAct 0x100 SErr 0x0 action 0x0 [ 154.446557][ T1022] ata1.00: irq_stat 0x41000008 [ 154.449001][ T1022] ata1.00: failed command: WRITE FPDMA QUEUED [ 154.452541][ T1022] ata1.00: cmd 61/00:40:36:c1:04/20:00:00:00:00/40 tag 8 ncq dma 4194304 ou [ 154.452541][ T1022] res 50/04:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 154.461535][ T1022] ata1.00: status: { DRDY } [ 154.464191][ T1022] ata1.00: error: { ABRT } [ 154.469921][ T1022] ata1.00: configured for UDMA/100 [ 154.473406][ T1022] 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.