13-Oct-2026 11:31:40: building syzkaller on 4f6a9fcfef1628f6ac08222857c6e55d4658622f... 13-Oct-2026 11:32:14: fetching kernel... 13-Oct-2026 11:32:16: checked out kernel commit 24a19b953e2a3d0ea5a8c4951a0ab8f32720c907 ("Linux 7.3-rc7", 2026-10-11 20:04:55 -0700 -0700) 13-Oct-2026 11:32:16: cleaning kernel... 13-Oct-2026 11:32:18: building kernel... 13-Oct-2026 11:44:19: kernel built successfully with compiler Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8 13-Oct-2026 11:44:19: testing patch... 13-Oct-2026 11:46:53: 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 (0xa9000) 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) qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than the requested size (0x400000) [ 87.429191][ T1023] ata1.00: Read log 0x10 page 0x00 failed, Emask 0x1 [ 87.429295][ T1023] ata1: failed to read log page 10h (errno=-5) [ 87.429310][ T1023] ata1.00: exception Emask 0x1 SAct 0x644000 SErr 0x0 action 0x0 [ 87.429321][ T1023] ata1.00: irq_stat 0x41000000 [ 87.429332][ T1023] ata1.00: failed command: WRITE FPDMA QUEUED [ 87.429338][ T1023] ata1.00: cmd 61/48:70:ae:49:04/05:00:00:00:00/40 tag 14 ncq dma 692224 out [ 87.429338][ T1023] res 50/04:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 87.429357][ T1023] ata1.00: status: { DRDY } [ 87.429362][ T1023] ata1.00: error: { ABRT } [ 87.429368][ T1023] ata1.00: failed command: WRITE FPDMA QUEUED [ 87.429372][ T1023] ata1.00: cmd 61/00:90:b6:5a:04/20:00:00:00:00/40 tag 18 ncq dma 4194304 ou [ 87.429372][ T1023] res 50/04:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 87.429396][ T1023] ata1.00: status: { DRDY } [ 87.429401][ T1023] ata1.00: error: { ABRT } [ 87.429409][ T1023] ata1.00: failed command: WRITE FPDMA QUEUED [ 87.429414][ T1023] ata1.00: cmd 61/00:a8:36:a1:04/20:00:00:00:00/40 tag 21 ncq dma 4194304 ou [ 87.429414][ T1023] res 50/04:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 87.429440][ T1023] ata1.00: status: { DRDY } [ 87.429446][ T1023] ata1.00: error: { ABRT } [ 87.429454][ T1023] ata1.00: failed command: WRITE FPDMA QUEUED [ 87.429460][ T1023] ata1.00: cmd 61/00:b0:36:c1:04/20:00:00:00:00/40 tag 22 ncq dma 4194304 ou [ 87.429460][ T1023] res 50/04:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 87.429486][ T1023] ata1.00: status: { DRDY } [ 87.429492][ T1023] ata1.00: error: { ABRT } [ 87.432284][ T1023] ata1.00: configured for UDMA/100 [ 87.435197][ T1023] ata1: EH complete [ 92.058693][ T829] cfg80211: failed to load regulatory.db Warning: Permanently added '[localhost]:17000' (ED25519) to the list of known hosts. [ 117.656942][ T1023] ata1.00: exception Emask 0x0 SAct 0x4 SErr 0x0 action 0x6 frozen [ 117.657090][ T1023] ata1.00: failed command: WRITE FPDMA QUEUED [ 117.657098][ T1023] ata1.00: cmd 61/00:10:b6:5a:04/20:00:00:00:00/40 tag 2 ncq dma 4194304 ou [ 117.657098][ T1023] res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout) [ 117.657136][ T1023] ata1.00: status: { DRDY } [ 117.657190][ T1023] ata1: hard resetting link [ 117.978172][ T1023] ata1: SATA link up 1.5 Gbps (SStatus 113 SControl 300) [ 117.985079][ T1023] ata1.00: configured for UDMA/100 [ 117.985370][ T1023] ata1: EH complete 2026/10/13 11:46:21 parsed 1 programs 2026/10/13 11:46:21 serving rpc on tcp://45197 qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than the requested size (0x400000) [ 118.137211][ T1023] ata1.00: Read log 0x10 page 0x00 failed, Emask 0x1 [ 118.137231][ T1023] ata1: failed to read log page 10h (errno=-5) [ 118.137241][ T1023] ata1.00: NCQ disabled due to excessive errors [ 118.137249][ T1023] ata1.00: exception Emask 0x1 SAct 0x18000000 SErr 0x0 action 0x0 [ 118.137261][ T1023] ata1.00: irq_stat 0x41000000 [ 118.137271][ T1023] ata1.00: failed command: WRITE FPDMA QUEUED [ 118.137278][ T1023] ata1.00: cmd 61/00:d8:36:21:05/20:00:00:00:00/40 tag 27 ncq dma 4194304 ou [ 118.137278][ T1023] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 118.137305][ T1023] ata1.00: status: { DRDY } [ 118.137313][ T1023] ata1.00: failed command: WRITE FPDMA QUEUED [ 118.137319][ T1023] ata1.00: cmd 61/00:e0:36:41:05/20:00:00:00:00/40 tag 28 ncq dma 4194304 ou [ 118.137319][ T1023] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 118.137346][ T1023] ata1.00: status: { DRDY } [ 118.138489][ T1023] ata1.00: configured for UDMA/100 [ 118.139587][ T1023] ata1: EH complete [ 120.714147][ T5305] cgroup: Unknown subsys name 'net' [ 120.761321][ T5305] cgroup: Unknown subsys name 'cpuset' [ 120.765169][ T5305] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 122.705245][ T5305] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k 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.