07-Oct-2026 02:33:05: building syzkaller on 5fc5366972c874b919f93165bb4ed4e2bcb7c350...
07-Oct-2026 02:33:25: fetching kernel...
07-Oct-2026 02:33:29: checked out kernel commit a051a4bf909f76f470ccb3761ee0cf6e2395616e ("Linux 5.15.222", 2026-10-03 12:26:49 +0200 +0200)
07-Oct-2026 02:33:29: cleaning kernel...
07-Oct-2026 02:33:30: building kernel...
07-Oct-2026 02:40:36: kernel built successfully with compiler Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8
07-Oct-2026 02:40:36: testing patch...
07-Oct-2026 02:46:11: aggregating test results failed: Internal error in sys_mount

cgroup: Unknown subsys name 'net'
Internal error: Oops - BTI: 0000000036000001 [#1] PREEMPT SMP
Modules linked in:
CPU: 1 PID: 4058 Comm: syz-executor Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026
pstate: 42400405 (nZcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=jc)
pc : copy_mount_options fs/namespace.c:3255 [inline]
pc : __do_sys_mount fs/namespace.c:3580 [inline]
pc : __se_sys_mount fs/namespace.c:3562 [inline]
pc : __arm64_sys_mount+0x2f0/0x5f8 fs/namespace.c:3562
lr : copy_mount_options fs/namespace.c:3255 [inline]
lr : __do_sys_mount fs/namespace.c:3580 [inline]
lr : __se_sys_mount fs/namespace.c:3562 [inline]
lr : __arm64_sys_mount+0x2cc/0x5f8 fs/namespace.c:3562
sp : ffff80001f727c80
x29: ffff80001f727d20 x28: 0000000000400100 x27: 00000000fffffff2
x26: 0000000000000bef x25: 0000000000000000 x24: 0000ffffd7f5c411
x23: ffff0000c8ad6000 x22: 0000ffffd7f5d000 x21: dfff800000000000
x20: 00000000fffffbef x19: 0000000000000000 x18: 0000000000000000
x17: 0000000000000000 x16: ffff80000897dfb4 x15: 0000000000000000
x14: 1ffff0000287802b x13: dfff800000000000 x12: 0000000082d2c423
x11: ff8080000897df90 x10: 0000ffffffffffff x9 : 0000ffffd7f5d000
x8 : 0000ffffd7f5d000 x7 : ffff800008766a24 x6 : 0000000000000000
x5 : 0000000000000000 x4 : 0000000000000001 x3 : 0000000000000001
x2 : 0000000000000008 x1 : 0000000000000001 x0 : 0000000000000000
Call trace:
 copy_mount_options fs/namespace.c:3255 [inline]
 __do_sys_mount fs/namespace.c:3580 [inline]
 __se_sys_mount fs/namespace.c:3562 [inline]
 __arm64_sys_mount+0x2f0/0x5f8 fs/namespace.c:3562
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x28c arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x13c/0x258 arch/arm64/kernel/syscall.c:142
 do_el0_svc+0x5c/0x140 arch/arm64/kernel/syscall.c:181
 el0_svc+0x78/0x1d4 arch/arm64/kernel/entry-common.c:608
 el0t_64_sync_handler+0xcc/0xe4 arch/arm64/kernel/entry-common.c:626
 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584
Code: d503229f 2a1903fb 2a1903e0 38400933 (2a1b03e1) 
---[ end trace 5ef291dc90fafc23 ]---
----------------
Code disassembly (best guess):
   0:	d503229f 	csdb
   4:	2a1903fb 	mov	w27, w25
   8:	2a1903e0 	mov	w0, w25
   c:	38400933 	ldtrb	w19, [x9]
* 10:	2a1b03e1 	mov	w1, w27 <-- trapping instruction


Warning: Permanently added '10.128.1.71' (ED25519) to the list of known hosts.
1970/01/01 00:00:32 ignoring optional flag "type"="gce"
1970/01/01 00:00:32 parsed 1 programs
[   32.238200][ T4058] cgroup: Unknown subsys name 'net'
[   32.294368][ T4058] Internal error: Oops - BTI: 0000000036000001 [#1] PREEMPT SMP
[   32.295824][ T4058] Modules linked in:
[   32.296534][ T4058] CPU: 1 PID: 4058 Comm: syz-executor Not tainted syzkaller #0
[   32.297841][ T4058] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026
[   32.299522][ T4058] pstate: 42400405 (nZcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=jc)
[   32.300779][ T4058] pc : __arm64_sys_mount+0x2f0/0x5f8
[   32.301646][ T4058] lr : __arm64_sys_mount+0x2cc/0x5f8
[   32.302613][ T4058] sp : ffff80001f727c80
[   32.303392][ T4058] x29: ffff80001f727d20 x28: 0000000000400100 x27: 00000000fffffff2
[   32.304898][ T4058] x26: 0000000000000bef x25: 0000000000000000 x24: 0000ffffd7f5c411
[   32.306539][ T4058] x23: ffff0000c8ad6000 x22: 0000ffffd7f5d000 x21: dfff800000000000
[   32.308030][ T4058] x20: 00000000fffffbef x19: 0000000000000000 x18: 0000000000000000
[   32.309583][ T4058] x17: 0000000000000000 x16: ffff80000897dfb4 x15: 0000000000000000
[   32.311076][ T4058] x14: 1ffff0000287802b x13: dfff800000000000 x12: 0000000082d2c423
[   32.312535][ T4058] x11: ff8080000897df90 x10: 0000ffffffffffff x9 : 0000ffffd7f5d000
[   32.313989][ T4058] x8 : 0000ffffd7f5d000 x7 : ffff800008766a24 x6 : 0000000000000000
[   32.315490][ T4058] x5 : 0000000000000000 x4 : 0000000000000001 x3 : 0000000000000001
[   32.317021][ T4058] x2 : 0000000000000008 x1 : 0000000000000001 x0 : 0000000000000000
[   32.318534][ T4058] Call trace:
[   32.319125][ T4058]  __arm64_sys_mount+0x2f0/0x5f8
[   32.320113][ T4058]  invoke_syscall+0x98/0x28c
[   32.321052][ T4058]  el0_svc_common+0x13c/0x258
[   32.321968][ T4058]  do_el0_svc+0x5c/0x140
[   32.322787][ T4058]  el0_svc+0x78/0x1d4
[   32.323515][ T4058]  el0t_64_sync_handler+0xcc/0xe4
[   32.324437][ T4058]  el0t_64_sync+0x1a0/0x1a4
[   32.325325][ T4058] Code: d503229f 2a1903fb 2a1903e0 38400933 (2a1b03e1) 
[   32.326592][ T4058] ---[ end trace 5ef291dc90fafc23 ]---
[   32.505639][ T4058] Kernel panic - not syncing: Oops - BTI: Fatal exception
[   32.506913][ T4058] SMP: stopping secondary CPUs
[   32.507755][ T4058] Kernel Offset: disabled
[   32.508528][ T4058] CPU features: 0xa,000003c1,7d33ffd9
[   32.509473][ T4058] Memory Limit: none
[   32.687202][ T4058] Rebooting in 86400 seconds..