04-Sep-2026 12:23:50: building syzkaller on 17d780d63fb22ce9f5928fb059d6dde009510d37...
04-Sep-2026 12:24:25: fetching kernel...
04-Sep-2026 12:24:28: checked out kernel commit bc35965f6940a9bf834d54187b6088b8eb09206d ("Merge tag 'mm-hotfixes-stable-2026-09-03-17-45' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm", 2026-09-03 17:59:19 -0700 -0700)
04-Sep-2026 12:24:28: cleaning kernel...
04-Sep-2026 12:24:30: building kernel...
04-Sep-2026 12:36:10: kernel built successfully with compiler Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8
04-Sep-2026 12:36:10: testing patch...
04-Sep-2026 12:38:53: 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)
Warning: Permanently added '[localhost]:16750' (ED25519) to the list of known hosts.
[   91.951396][  T806] cfg80211: failed to load regulatory.db
2026/09/04 12:37:48 parsed 1 programs
[   97.600683][ T5293] cgroup: Unknown subsys name 'net'
[   97.657105][ T5293] cgroup: Unknown subsys name 'cpuset'
[   97.668082][ T5293] cgroup: Unknown subsys name 'rlimit'
[  118.202882][ T1023] ata1.00: exception Emask 0x0 SAct 0x8000000 SErr 0x0 action 0x6 frozen
[  118.208292][ T1023] ata1.00: failed command: WRITE FPDMA QUEUED
[  118.211506][ T1023] ata1.00: cmd 61/00:d8:36:81:04/20:00:00:00:00/40 tag 27 ncq dma 4194304 ou
[  118.211506][ T1023]          res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout)
[  118.219152][ T1023] ata1.00: status: { DRDY }
[  118.221472][ T1023] ata1: hard resetting link
[  118.543886][ T1023] ata1: SATA link up 1.5 Gbps (SStatus 113 SControl 300)
[  118.549360][ T1023] ata1.00: configured for UDMA/100
[  118.552776][ T1023] ata1: EH complete
qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than the requested size (0x400000)
[  118.595550][ T1023] ata1.00: Read log 0x10 page 0x00 failed, Emask 0x1
[  118.595601][ T1023] ata1: failed to read log page 10h (errno=-5)
[  118.595649][ T1023] ata1.00: exception Emask 0x1 SAct 0xec00 SErr 0x0 action 0x0
[  118.595680][ T1023] ata1.00: irq_stat 0x41000000
[  118.595712][ T1023] ata1.00: failed command: WRITE FPDMA QUEUED
[  118.595739][ T1023] ata1.00: cmd 61/00:50:36:81:04/20:00:00:00:00/40 tag 10 ncq dma 4194304 ou
[  118.595739][ T1023]          res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error)
[  118.595789][ T1023] ata1.00: status: { DRDY }
[  118.595819][ T1023] ata1.00: failed command: WRITE FPDMA QUEUED
[  118.595845][ T1023] ata1.00: cmd 61/08:58:96:04:10/00:00:00:00:00/40 tag 11 ncq dma 4096 out
[  118.595845][ T1023]          res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error)
[  118.595903][ T1023] ata1.00: status: { DRDY }
[  118.595933][ T1023] ata1.00: failed command: WRITE FPDMA QUEUED
[  118.595959][ T1023] ata1.00: cmd 61/00:68:36:01:05/20:00:00:00:00/40 tag 13 ncq dma 4194304 ou
[  118.595959][ T1023]          res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error)
[  118.647298][ T1023] ata1.00: status: { DRDY }
[  118.647338][ T1023] ata1.00: failed command: WRITE FPDMA QUEUED
[  118.647365][ T1023] ata1.00: cmd 61/00:70:36:21:05/20:00:00:00:00/40 tag 14 ncq dma 4194304 ou
[  118.647365][ T1023]          res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error)
[  118.647416][ T1023] ata1.00: status: { DRDY }
[  118.647447][ T1023] ata1.00: failed command: WRITE FPDMA QUEUED
[  118.647473][ T1023] ata1.00: cmd 61/00:78:36:41:05/20:00:00:00:00/40 tag 15 ncq dma 4194304 ou
[  118.647473][ T1023]          res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error)
[  118.647524][ T1023] ata1.00: status: { DRDY }
[  118.680209][ T1023] ata1.00: configured for UDMA/100
[  118.685084][ T1023] ata1: EH complete
qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than the requested size (0x400000)
[  118.705203][ T1023] ata1.00: Read log 0x10 page 0x00 failed, Emask 0x1
[  118.708069][ T1023] ata1: failed to read log page 10h (errno=-5)
[  118.711471][ T1023] ata1.00: NCQ disabled due to excessive errors
[  118.714619][ T1023] ata1.00: exception Emask 0x1 SAct 0x7c0000 SErr 0x0 action 0x0
[  118.718329][ T1023] ata1.00: irq_stat 0x41000000
[  118.718346][ T1023] ata1.00: failed command: WRITE FPDMA QUEUED
[  118.718353][ T1023] ata1.00: cmd 61/00:90:36:61:05/20:00:00:00:00/40 tag 18 ncq dma 4194304 ou
[  118.718353][ T1023]          res 50/04:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error)
[  118.718385][ T1023] ata1.00: status: { DRDY }
[  118.718392][ T1023] ata1.00: error: { ABRT }
[  118.718401][ T1023] ata1.00: failed command: WRITE FPDMA QUEUED
[  118.718407][ T1023] ata1.00: cmd 61/00:98:36:81:04/20:00:00:00:00/40 tag 19 ncq dma 4194304 ou
[  118.718407][ T1023]          res 50/04:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error)
[  118.718438][ T1023] ata1.00: status: { DRDY }
[  118.718444][ T1023] ata1.00: error: { ABRT }
[  118.718452][ T1023] ata1.00: failed command: WRITE FPDMA QUEUED
[  118.718458][ T1023] ata1.00: cmd 61/08:a0:96:04:10/00:00:00:00:00/40 tag 20 ncq dma 4096 out
[  118.718458][ T1023]          res 50/04:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error)
[  118.718488][ T1023] ata1.00: status: { DRDY }
[  118.718494][ T1023] ata1.00: error: { ABRT }
[  118.718503][ T1023] ata1.00: failed command: WRITE FPDMA QUEUED
[  118.718509][ T1023] ata1.00: cmd 61/00:a8:36:01:05/20:00:00:00:00/40 tag 21 ncq dma 4194304 ou
[  118.718509][ T1023]          res 50/04:01:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error)
[  118.718539][ T1023] ata1.00: status: { DRDY }
[  118.718546][ T1023] ata1.00: error: { ABRT }
[  118.718555][ T1023] ata1.00: failed command: WRITE FPDMA QUEUED
[  118.718561][ T1023] ata1.00: cmd 61/00:b0:36:21:05/20:00:00:00:00/40 tag 22 ncq dma 4194304 ou
[  118.718561][ T1023]          res 50/04:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error)
[  118.718592][ T1023] ata1.00: status: { DRDY }
[  118.718599][ T1023] ata1.00: error: { ABRT }
[  118.801277][ T1023] ata1.00: configured for UDMA/100
[  118.806660][ T1023] ata1: EH complete
Setting up swapspace version 1, size = 127995904 bytes
[  120.990194][ T5293] Adding 124996k swap on ./swap-file.  Priority:0 extents:1 across:124996k 
[  127.597694][ T5322] 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.
[  130.091858][   T46] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1
[  130.107231][   T46] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9
[  130.112299][   T46] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9
[  130.120007][   T46] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4
[  130.125773][   T46] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2
[  132.183589][ T4648] Bluetooth: hci0: command tx timeout
[  133.534991][ T1053] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[  133.547006][ T1053] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
[  134.222083][  T180] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[  134.222122][  T180] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
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.