09-Oct-2026 17:21:07: building syzkaller on f281d9d2a0a73c5fd2e5433a7fe82d32390a12d4...
09-Oct-2026 17:21:42: fetching kernel...
09-Oct-2026 17:21:45: checked out kernel commit af32da41b0327b9c6a37856ba82b6760d6c8d10e ("Merge tag 'net-7.3-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net", 2026-10-09 06:40:28 +0200 +0200)
09-Oct-2026 17:21:45: cleaning kernel...
09-Oct-2026 17:21:47: building kernel...
09-Oct-2026 17:33:55: kernel built successfully with compiler Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8
09-Oct-2026 17:33:55: testing patch...
09-Oct-2026 17:36:35: 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 (0x37a000)
[  119.187717][ T1025] ata1.00: Read log 0x10 page 0x00 failed, Emask 0x1
[  119.187745][ T1025] ata1: failed to read log page 10h (errno=-5)
[  119.187758][ T1025] ata1.00: exception Emask 0x1 SAct 0x60 SErr 0x0 action 0x0
[  119.187783][ T1025] ata1.00: irq_stat 0x41000000
[  119.187795][ T1025] ata1.00: failed command: WRITE FPDMA QUEUED
[  119.187803][ T1025] ata1.00: cmd 61/d0:28:66:65:04/1b:00:00:00:00/40 tag 5 ncq dma 3645440 ou
[  119.187803][ T1025]          res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error)
[  119.187834][ T1025] ata1.00: status: { DRDY }
[  119.187844][ T1025] ata1.00: failed command: WRITE FPDMA QUEUED
[  119.187851][ T1025] ata1.00: cmd 61/00:30:36:81:04/20:00:00:00:00/40 tag 6 ncq dma 4194304 ou
[  119.187851][ T1025]          res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error)
[  119.187882][ T1025] ata1.00: status: { DRDY }
[  119.189707][ T1025] ata1.00: configured for UDMA/100
[  119.235631][ T1025] ata1: EH complete
Warning: Permanently added '[localhost]:20456' (ED25519) to the list of known hosts.
2026/10/09 17:36:06 parsed 1 programs
2026/10/09 17:36:06 serving rpc on tcp://41687
[  128.597403][ T5291] cgroup: Unknown subsys name 'net'
[  128.676486][ T5291] cgroup: Unknown subsys name 'cpuset'
[  128.679615][ T5291] cgroup: Unknown subsys name 'rlimit'
Setting up swapspace version 1, size = 127995904 bytes
[  130.591147][ T5291] Adding 124996k swap on ./swap-file.  Priority:0 extents:1 across:124996k 
qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than the requested size (0x400000)
[  132.489514][ T1025] ata1.00: Read log 0x10 page 0x00 failed, Emask 0x1
[  132.489535][ T1025] ata1: failed to read log page 10h (errno=-5)
[  132.489547][ T1025] ata1.00: NCQ disabled due to excessive errors
[  132.489556][ T1025] ata1.00: exception Emask 0x1 SAct 0x3000000 SErr 0x0 action 0x0
[  132.489577][ T1025] ata1.00: irq_stat 0x41000000
[  132.489588][ T1025] ata1.00: failed command: WRITE FPDMA QUEUED
[  132.489595][ T1025] ata1.00: cmd 61/00:c0:36:81:05/20:00:00:00:00/40 tag 24 ncq dma 4194304 ou
[  132.489595][ T1025]          res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error)
[  132.489623][ T1025] ata1.00: status: { DRDY }
[  132.489633][ T1025] ata1.00: failed command: WRITE FPDMA QUEUED
[  132.489639][ T1025] ata1.00: cmd 61/00:c8:36:a1:05/20:00:00:00:00/40 tag 25 ncq dma 4194304 ou
[  132.489639][ T1025]          res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error)
[  132.489666][ T1025] ata1.00: status: { DRDY }
[  132.559886][ T1025] ata1.00: configured for UDMA/100
[  132.566165][ T1025] 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.