04-Oct-2026 08:44:40: building syzkaller on 5f4b362dd3e6002bc038df522a090cd629d834a8...
04-Oct-2026 08:46:35: fetching kernel...
04-Oct-2026 08:46:39: checked out kernel commit a051a4bf909f76f470ccb3761ee0cf6e2395616e ("Linux 5.15.222", 2026-10-03 12:26:49 +0200 +0200)
04-Oct-2026 08:46:39: cleaning kernel...
04-Oct-2026 08:46:39: building kernel...
04-Oct-2026 08:53:32: kernel built successfully with compiler Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8
04-Oct-2026 08:53:32: testing patch...
04-Oct-2026 08:59:04: 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: 0 PID: 4062 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 : ffff80001f427c80
x29: ffff80001f427d20 x28: 0000000000400100 x27: 00000000fffffff2
x26: 0000000000000fdf x25: 0000000000000000 x24: 0000ffffd8def021
x23: ffff0000d4736000 x22: 0000ffffd8df0000 x21: dfff800000000000
x20: 00000000ffffffdf x19: 0000000000000000 x18: 0000000000000000
x17: 0000000000000000 x16: ffff80000897dfb4 x15: 0000ffffd8def021
x14: 1ffff0000287802b x13: dfff800000000000 x12: 0000000082d2c423
x11: ff8080000897df90 x10: 0000ffffffffffff x9 : 0000ffffd8df0000
x8 : 0000ffffd8df0000 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 7debebc9d06dd0f0 ]---
----------------
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 '10.128.1.189' (ED25519) to the list of known hosts.
1970/01/01 00:00:32 parsed 1 programs
[   33.404036][ T4062] cgroup: Unknown subsys name 'net'
[   33.456768][ T4062] Internal error: Oops - BTI: 0000000036000001 [#1] PREEMPT SMP
[   33.458179][ T4062] Modules linked in:
[   33.458867][ T4062] CPU: 0 PID: 4062 Comm: syz-executor Not tainted syzkaller #0
[   33.460181][ T4062] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026
[   33.461936][ T4062] pstate: 42400405 (nZcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=jc)
[   33.463196][ T4062] pc : __arm64_sys_mount+0x2f0/0x5f8
[   33.464019][ T4062] lr : __arm64_sys_mount+0x2cc/0x5f8
[   33.464862][ T4062] sp : ffff80001f427c80
[   33.465627][ T4062] x29: ffff80001f427d20 x28: 0000000000400100 x27: 00000000fffffff2
[   33.467083][ T4062] x26: 0000000000000fdf x25: 0000000000000000 x24: 0000ffffd8def021
[   33.468535][ T4062] x23: ffff0000d4736000 x22: 0000ffffd8df0000 x21: dfff800000000000
[   33.469997][ T4062] x20: 00000000ffffffdf x19: 0000000000000000 x18: 0000000000000000
[   33.471589][ T4062] x17: 0000000000000000 x16: ffff80000897dfb4 x15: 0000ffffd8def021
[   33.473175][ T4062] x14: 1ffff0000287802b x13: dfff800000000000 x12: 0000000082d2c423
[   33.474571][ T4062] x11: ff8080000897df90 x10: 0000ffffffffffff x9 : 0000ffffd8df0000
[   33.476125][ T4062] x8 : 0000ffffd8df0000 x7 : ffff800008766a24 x6 : 0000000000000000
[   33.477647][ T4062] x5 : 0000000000000000 x4 : 0000000000000001 x3 : 0000000000000001
[   33.479149][ T4062] x2 : 0000000000000008 x1 : 0000000000000001 x0 : 0000000000000000
[   33.480881][ T4062] Call trace:
[   33.481560][ T4062]  __arm64_sys_mount+0x2f0/0x5f8
[   33.482550][ T4062]  invoke_syscall+0x98/0x28c
[   33.483433][ T4062]  el0_svc_common+0x13c/0x258
[   33.484285][ T4062]  do_el0_svc+0x5c/0x140
[   33.485083][ T4062]  el0_svc+0x78/0x1d4
[   33.485920][ T4062]  el0t_64_sync_handler+0xcc/0xe4
[   33.486964][ T4062]  el0t_64_sync+0x1a0/0x1a4
[   33.487791][ T4062] Code: d503229f 2a1903fb 2a1903e0 38400933 (2a1b03e1) 
[   33.489105][ T4062] ---[ end trace 7debebc9d06dd0f0 ]---
[   33.659052][ T4062] Kernel panic - not syncing: Oops - BTI: Fatal exception
[   33.660220][ T4062] SMP: stopping secondary CPUs
[   33.661084][ T4062] Kernel Offset: disabled
[   33.661807][ T4062] CPU features: 0xa,000003c1,7d33ffd9
[   33.662758][ T4062] Memory Limit: none
[   33.824905][ T4062] Rebooting in 86400 seconds..