17-Sep-2026 01:54:00: building syzkaller on 12a0a44a11e4f0e07457f2b9d76763cd609f4f86...
17-Sep-2026 01:55:31: fetching kernel...
17-Sep-2026 01:55:34: checked out kernel commit f6e7b42bf05b2427fb8a7a1d1c387a86638bb413 ("Merge tag 'sysctl-7.03-fixes-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/sysctl/sysctl", 2026-09-15 09:43:15 -0700 -0700)
17-Sep-2026 01:55:34: cleaning kernel...
17-Sep-2026 01:55:36: applying patch (547 bytes)...
17-Sep-2026 01:55:36: building kernel...
17-Sep-2026 02:07:07: kernel built successfully with compiler Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8
17-Sep-2026 02:07:07: testing patch...
17-Sep-2026 02:09:40: 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)
[   91.925486][   T10] cfg80211: failed to load regulatory.db
Warning: Permanently added '[localhost]:30539' (ED25519) to the list of known hosts.
2026/09/17 02:08:46 parsed 1 programs
2026/09/17 02:08:46 serving rpc on tcp://38533
[   96.572980][ T5287] cgroup: Unknown subsys name 'net'
[   96.624230][ T5287] cgroup: Unknown subsys name 'cpuset'
[   96.628137][ T5287] cgroup: Unknown subsys name 'rlimit'
[  117.530042][ T1024] ata1.00: exception Emask 0x0 SAct 0x4000 SErr 0x0 action 0x6 frozen
[  117.530070][ T1024] ata1.00: failed command: WRITE FPDMA QUEUED
[  117.530078][ T1024] ata1.00: cmd 61/00:70:36:81:04/20:00:00:00:00/40 tag 14 ncq dma 4194304 ou
[  117.530078][ T1024]          res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout)
[  117.530107][ T1024] ata1.00: status: { DRDY }
[  117.530148][ T1024] ata1: hard resetting link
[  117.854290][ T1024] ata1: SATA link up 1.5 Gbps (SStatus 113 SControl 300)
[  117.855240][ T1024] ata1.00: configured for UDMA/100
[  117.855521][ T1024] ata1: EH complete
Setting up swapspace version 1, size = 127995904 bytes
[  119.296232][ T5287] 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 (0xa8000)
[  121.760867][ T1024] ata1.00: Read log 0x10 page 0x00 failed, Emask 0x1
[  121.760887][ T1024] ata1: failed to read log page 10h (errno=-5)
[  121.760897][ T1024] ata1.00: NCQ disabled due to excessive errors
[  121.760905][ T1024] ata1.00: exception Emask 0x1 SAct 0xc000 SErr 0x0 action 0x0
[  121.760915][ T1024] ata1.00: irq_stat 0x41000000
[  121.760925][ T1024] ata1.00: failed command: READ FPDMA QUEUED
[  121.760932][ T1024] ata1.00: cmd 60/40:70:36:51:05/05:00:00:00:00/40 tag 14 ncq dma 688128 in
[  121.760932][ T1024]          res 50/04:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error)
[  121.760961][ T1024] ata1.00: status: { DRDY }
[  121.760968][ T1024] ata1.00: error: { ABRT }
[  121.760977][ T1024] ata1.00: failed command: READ FPDMA QUEUED
[  121.760983][ T1024] ata1.00: cmd 60/c0:78:76:56:05/02:00:00:00:00/40 tag 15 ncq dma 360448 in
[  121.760983][ T1024]          res 50/04:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error)
[  121.761010][ T1024] ata1.00: status: { DRDY }
[  121.761017][ T1024] ata1.00: error: { ABRT }
[  121.762668][ T1024] ata1.00: configured for UDMA/100
[  121.763094][ T1024] sd 0:0:0:0: [sda] tag#14 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_OK cmd_age=0s
[  121.763126][ T1024] sd 0:0:0:0: [sda] tag#14 Sense Key : Aborted Command [current] 
[  121.763149][ T1024] sd 0:0:0:0: [sda] tag#14 Add. Sense: No additional sense information
[  121.763173][ T1024] sd 0:0:0:0: [sda] tag#14 CDB: Read(10) 28 00 00 05 51 36 00 05 40 00
[  121.763186][ T1024] I/O error, dev sda, sector 348470 op 0x0:(READ) flags 0x84700 phys_seg 168 prio class 2
[  121.763396][ T1024] sd 0:0:0:0: [sda] tag#15 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_OK cmd_age=0s
[  121.763421][ T1024] sd 0:0:0:0: [sda] tag#15 Sense Key : Aborted Command [current] 
[  121.763442][ T1024] sd 0:0:0:0: [sda] tag#15 Add. Sense: No additional sense information
[  121.763464][ T1024] sd 0:0:0:0: [sda] tag#15 CDB: Read(10) 28 00 00 05 56 76 00 02 c0 00
[  121.763475][ T1024] I/O error, dev sda, sector 349814 op 0x0:(READ) flags 0x84700 phys_seg 88 prio class 2
[  121.763614][ T1024] ata1: EH complete
[  124.582483][ T5311] 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.
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.