13-Sep-2026 05:50:00: building syzkaller on 3cda49cfaa8556b73277ccd7e75952f0f2de2d74...
13-Sep-2026 05:50:32: fetching kernel...
13-Sep-2026 05:50:36: checked out kernel commit 2f0c1cf72f4682178506f513bbf015e591b1aa4a ("Merge tag 's390-7.3-3' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux", 2026-09-12 16:22:25 -0700 -0700)
13-Sep-2026 05:50:36: cleaning kernel...
13-Sep-2026 05:50:38: building kernel...
13-Sep-2026 06:02:05: kernel built successfully with compiler Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8
13-Sep-2026 06:02:05: testing patch...
13-Sep-2026 06:04:53: 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 (0x400000)
[   87.629992][ T1025] 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 (0x400000)
[   87.630026][ T1025] ata1: failed to read log page 10h (errno=-5)
[   87.630039][ T1025] ata1.00: exception Emask 0x1 SAct 0x3000000 SErr 0x0 action 0x0
[   87.630049][ T1025] ata1.00: irq_stat 0x41000000
[   87.630060][ T1025] ata1.00: failed command: WRITE FPDMA QUEUED
[   87.630066][ T1025] ata1.00: cmd 61/00:c0:36:a1:04/20:00:00:00:00/40 tag 24 ncq dma 4194304 ou
[   87.630066][ T1025]          res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error)
[   87.630095][ T1025] ata1.00: status: { DRDY }
[   87.630104][ T1025] ata1.00: failed command: WRITE FPDMA QUEUED
[   87.630111][ T1025] ata1.00: cmd 61/00:c8:36:c1:04/20:00:00:00:00/40 tag 25 ncq dma 4194304 ou
[   87.630111][ T1025]          res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error)
[   87.630140][ T1025] ata1.00: status: { DRDY }
[   87.632937][ T1025] ata1.00: configured for UDMA/100
[   87.636701][ T1025] ata1: EH complete
[   91.961900][ T1122] cfg80211: failed to load regulatory.db
[  118.217605][ T1025] ata1.00: exception Emask 0x0 SAct 0x40000000 SErr 0x0 action 0x6 frozen
[  118.217636][ T1025] ata1.00: failed command: WRITE FPDMA QUEUED
[  118.217643][ T1025] ata1.00: cmd 61/00:f0:36:c1:04/20:00:00:00:00/40 tag 30 ncq dma 4194304 ou
[  118.217643][ T1025]          res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout)
[  118.217670][ T1025] ata1.00: status: { DRDY }
[  118.217717][ T1025] ata1: hard resetting link
[  118.538269][ T1025] ata1: SATA link up 1.5 Gbps (SStatus 113 SControl 300)
[  118.539303][ T1025] ata1.00: configured for UDMA/100
[  118.539620][ T1025] ata1: EH complete
qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than the requested size (0x3e8000)
[  119.039821][ T1025] ata1.00: Read log 0x10 page 0x00 failed, Emask 0x1
[  119.039851][ T1025] ata1: failed to read log page 10h (errno=-5)
[  119.039861][ T1025] ata1.00: NCQ disabled due to excessive errors
[  119.039869][ T1025] ata1.00: exception Emask 0x1 SAct 0x1000000 SErr 0x0 action 0x0
[  119.039882][ T1025] ata1.00: irq_stat 0x41000008
[  119.039894][ T1025] ata1.00: failed command: WRITE FPDMA QUEUED
[  119.039901][ T1025] ata1.00: cmd 61/40:c0:76:8e:05/1f:00:00:00:00/40 tag 24 ncq dma 4096000 ou
[  119.039901][ T1025]          res 50/04:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error)
[  119.039932][ T1025] ata1.00: status: { DRDY }
[  119.039939][ T1025] ata1.00: error: { ABRT }
[  119.041302][ T1025] ata1.00: configured for UDMA/100
[  119.041704][ T1025] ata1: EH complete
Warning: Permanently added '[localhost]:58089' (ED25519) to the list of known hosts.
2026/09/13 06:04:13 parsed 1 programs
[  126.695176][ T5301] cgroup: Unknown subsys name 'net'
[  126.768554][ T5301] cgroup: Unknown subsys name 'cpuset'
[  126.771799][ T5301] cgroup: Unknown subsys name 'rlimit'
[  128.399575][ T5301] Adding 124996k swap on ./swap-file.  Priority:0 extents:1 across:124996k 
[  136.460260][ T5318] soft_limit_in_bytes is deprecated and will be removed. Writing any value to this file has no effect. Please report your usecase to linux-mm@kvack.org if you depend on this functionality.
[  138.045450][ T1332] ieee802154 phy0 wpan0: encryption failed: -22
[  138.045485][ T1332] ieee802154 phy1 wpan1: encryption failed: -22
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.