26-Sep-2026 20:27:37: building syzkaller on d1b870e1003b52891d2196c1e2ee42fe905010ba...
26-Sep-2026 20:28:07: fetching kernel...
26-Sep-2026 20:28:11: checked out kernel commit fd179f8a05be3ccae366b9b96e176b51fbe54aab ("Merge tag 'ata-7.3-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/libata/linux", 2026-09-26 11:14:35 -0700 -0700)
26-Sep-2026 20:28:11: cleaning kernel...
26-Sep-2026 20:28:13: building kernel...
26-Sep-2026 20:39:26: kernel built successfully with compiler Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8
26-Sep-2026 20:39:26: testing patch...
26-Sep-2026 20:42:39: aggregating test results failed: lost connection to test machine



qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than the requested size (0xbb000)
[  140.682275][ T1024] ata1.00: Read log 0x10 page 0x00 failed, Emask 0x1
[  140.682287][ T1024] ata1: failed to read log page 10h (errno=-5)
[  140.682295][ T1024] ata1.00: NCQ disabled due to excessive errors
[  140.682302][ T1024] ata1.00: exception Emask 0x1 SAct 0xc000 SErr 0x0 action 0x0
[  140.682312][ T1024] ata1.00: irq_stat 0x40000000
[  140.682322][ T1024] ata1.00: failed command: WRITE FPDMA QUEUED
[  140.682329][ T1024] ata1.00: cmd 61/d8:70:7e:52:04/05:00:00:00:00/40 tag 14 ncq dma 765952 out
[  140.682329][ T1024]          res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error)
[  140.682358][ T1024] ata1.00: status: { DRDY }
[  140.682367][ T1024] ata1.00: failed command: WRITE FPDMA QUEUED
[  140.682373][ T1024] ata1.00: cmd 61/c0:78:56:58:04/02:00:00:00:00/40 tag 15 ncq dma 360448 out
[  140.682373][ T1024]          res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error)
[  140.682400][ T1024] ata1.00: status: { DRDY }
[  140.686439][ T1024] ata1.00: configured for UDMA/100
[  140.688262][ T1024] ata1: EH complete
Warning: Permanently added '[localhost]:12082' (ED25519) to the list of known hosts.
2026/09/26 20:41:57 parsed 1 programs
[  149.545676][ T5286] cgroup: Unknown subsys name 'net'
[  149.615284][ T5286] cgroup: Unknown subsys name 'cpuset'
[  149.618272][ T5286] cgroup: Unknown subsys name 'rlimit'
Setting up swapspace version 1, size = 127995904 bytes
[  151.185226][ T5286] Adding 124996k swap on ./swap-file.  Priority:0 extents:1 across:124996k 
[  156.729325][ T5311] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1
[  156.735884][ T5311] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9
[  156.744177][ T5311] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9
[  156.745606][ T5311] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4
[  156.745893][ T5311] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2
[  157.588377][ T5306] 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.
[  158.802070][ T4646] Bluetooth: hci0: command tx timeout
[  164.702508][ T5308] bridge0: port 1(bridge_slave_0) entered blocking state
[  164.702641][ T5308] bridge0: port 1(bridge_slave_0) entered disabled state
[  164.702753][ T5308] bridge_slave_0: entered allmulticast mode
[  164.733163][ T5308] bridge_slave_0: entered promiscuous mode
[  164.827178][ T5308] bridge0: port 2(bridge_slave_1) entered blocking state
[  164.827261][ T5308] bridge0: port 2(bridge_slave_1) entered disabled state
[  164.827379][ T5308] bridge_slave_1: entered allmulticast mode
[  164.846133][ T5308] bridge_slave_1: entered promiscuous mode
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.