Extracting prog: 2m9.090155502s
Minimizing prog: 6m14.877034821s
Simplifying prog options: 5m40.620616874s
Extracting C: 1m23.856287263s
Simplifying C: 0s


extracting reproducer from 20 programs
first checking the prog from the crash report
single: executing 1 programs separately with timeout 30s
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_clone-ptrace-ptrace$getregset
detailed listing:
executing program 0:
r0 = syz_clone(0x0, 0x0, 0x0, 0x0, 0x0, 0x0)
ptrace(0x10, r0)
ptrace$getregset(0x4204, r0, 0x2, 0x0)

program crashed: Internal error in ptrace_request
single: successfully extracted reproducer
found reproducer with 3 syscalls
minimizing guilty program
testing program (duration=45.56520619s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_clone-ptrace
detailed listing:
executing program 0:
r0 = syz_clone(0x0, 0x0, 0x0, 0x0, 0x0, 0x0)
ptrace(0x10, r0)

program did not crash
testing program (duration=45.56520619s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_clone-ptrace$getregset
detailed listing:
executing program 0:
r0 = syz_clone(0x0, 0x0, 0x0, 0x0, 0x0, 0x0)
ptrace$getregset(0x4204, r0, 0x2, 0x0)

program did not crash
testing program (duration=45.56520619s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): ptrace-ptrace$getregset
detailed listing:
executing program 0:
ptrace(0x10, 0x0)
ptrace$getregset(0x4204, 0x0, 0x2, 0x0)

program crashed: Internal error in sys_mount
extracting C reproducer
testing compiled C program (duration=45.56520619s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): ptrace-ptrace$getregset
program did not crash
simplifying guilty program options
testing program (duration=45.56520619s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): ptrace-ptrace$getregset
detailed listing:
executing program 0:
ptrace(0x10, 0x0)
ptrace$getregset(0x4204, 0x0, 0x2, 0x0)

program did not crash
testing program (duration=45.56520619s, {Threaded:true Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): ptrace-ptrace$getregset
detailed listing:
executing program 0:
ptrace(0x10, 0x0)
ptrace$getregset(0x4204, 0x0, 0x2, 0x0)

program did not crash
testing program (duration=45.56520619s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): ptrace-ptrace$getregset
detailed listing:
executing program 0:
ptrace(0x10, 0x0)
ptrace$getregset(0x4204, 0x0, 0x2, 0x0)

program did not crash
testing program (duration=45.56520619s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): ptrace-ptrace$getregset
detailed listing:
executing program 0:
ptrace(0x10, 0x0)
ptrace$getregset(0x4204, 0x0, 0x2, 0x0)

program did not crash
validation run: crashed=false
testing program (duration=45.56520619s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): ptrace-ptrace$getregset
detailed listing:
executing program 0:
ptrace(0x10, 0x0)
ptrace$getregset(0x4204, 0x0, 0x2, 0x0)

program crashed: Internal error in sys_mount
validation run: crashed=true
testing program (duration=45.56520619s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): ptrace-ptrace$getregset
detailed listing:
executing program 0:
ptrace(0x10, 0x0)
ptrace$getregset(0x4204, 0x0, 0x2, 0x0)

program did not crash
validation run: crashed=false
testing program (duration=45.56520619s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): ptrace-ptrace$getregset
detailed listing:
executing program 0:
ptrace(0x10, 0x0)
ptrace$getregset(0x4204, 0x0, 0x2, 0x0)

program did not crash
validation run: crashed=false
testing program (duration=45.56520619s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): ptrace-ptrace$getregset
detailed listing:
executing program 0:
ptrace(0x10, 0x0)
ptrace$getregset(0x4204, 0x0, 0x2, 0x0)

program did not crash
validation run: crashed=false
testing program (duration=45.56520619s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): ptrace-ptrace$getregset
detailed listing:
executing program 0:
ptrace(0x10, 0x0)
ptrace$getregset(0x4204, 0x0, 0x2, 0x0)

program crashed: Internal error in sys_mount
validation run: crashed=true
testing program (duration=45.56520619s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): ptrace-ptrace$getregset
detailed listing:
executing program 0:
ptrace(0x10, 0x0)
ptrace$getregset(0x4204, 0x0, 0x2, 0x0)

program did not crash
validation run: crashed=false
testing program (duration=45.56520619s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): ptrace-ptrace$getregset
detailed listing:
executing program 0:
ptrace(0x10, 0x0)
ptrace$getregset(0x4204, 0x0, 0x2, 0x0)

program did not crash
validation run: crashed=false
testing program (duration=45.56520619s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): ptrace-ptrace$getregset
detailed listing:
executing program 0:
ptrace(0x10, 0x0)
ptrace$getregset(0x4204, 0x0, 0x2, 0x0)

program did not crash
validation run: crashed=false
testing program (duration=45.56520619s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): ptrace-ptrace$getregset
detailed listing:
executing program 0:
ptrace(0x10, 0x0)
ptrace$getregset(0x4204, 0x0, 0x2, 0x0)

program did not crash
validation run: crashed=false
reproducing took 33m14.634852912s
repro crashed as (corrupted=false):
cgroup: Unknown subsys name 'net'
Internal error: Oops - BTI: 0000000036000001 [#1] PREEMPT SMP
Modules linked in:
CPU: 1 PID: 4050 Comm: syz-executor Not tainted 5.15.189-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
pstate: 42400405 (nZcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=jc)
pc : copy_mount_options fs/namespace.c:3235 [inline]
pc : __do_sys_mount fs/namespace.c:3560 [inline]
pc : __se_sys_mount fs/namespace.c:3542 [inline]
pc : __arm64_sys_mount+0x2f8/0x5e4 fs/namespace.c:3542
lr : copy_mount_options fs/namespace.c:3235 [inline]
lr : __do_sys_mount fs/namespace.c:3560 [inline]
lr : __se_sys_mount fs/namespace.c:3542 [inline]
lr : __arm64_sys_mount+0x2d4/0x5e4 fs/namespace.c:3542
sp : ffff80001f0b7c80
x29: ffff80001f0b7d20 x28: 00000000fffffff2 x27: 0000ffffeeb3b000
x26: ffff0000db9051c0 x25: 0000000000000000 x24: 0000ffffeeb3a221
x23: ffff0000c2cca000 x22: 0000000000000ddf x21: dfff800000000000
x20: 00000000fffffddf x19: 0000000000000000 x18: 0000000000000000
x17: 0000000000000000 x16: ffff8000089650ac x15: 0000ffffeeb3a221
x14: 652d7a79732f2e00 x13: 1ffff0000282e06b x12: 0000000000ff0100
x11: 0000000000000000 x10: 0000ffffffffffff x9 : 0000ffffeeb3b000
x8 : 0000ffffeeb3b000 x7 : ffff800008750ed4 x6 : 0000000000000000
x5 : 0000000000000000 x4 : 0000000000000001 x3 : 0000000000000001
x2 : 0000000000000008 x1 : 0000000000000001 x0 : 0000000000000000
Call trace:
 copy_mount_options fs/namespace.c:3235 [inline]
 __do_sys_mount fs/namespace.c:3560 [inline]
 __se_sys_mount fs/namespace.c:3542 [inline]
 __arm64_sys_mount+0x2f8/0x5e4 fs/namespace.c:3542
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142
 do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181
 el0_svc+0x78/0x1e0 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 2a1903fc 2a1903e0 38400933 (2a1c03e1) 
---[ end trace 38d525d0851cb824 ]---
----------------
Code disassembly (best guess):
   0:	d503229f 	csdb
   4:	2a1903fc 	mov	w28, w25
   8:	2a1903e0 	mov	w0, w25
   c:	38400933 	ldtrb	w19, [x9]
* 10:	2a1c03e1 	mov	w1, w28 <-- trapping instruction

final repro crashed as (corrupted=false):
cgroup: Unknown subsys name 'net'
Internal error: Oops - BTI: 0000000036000001 [#1] PREEMPT SMP
Modules linked in:
CPU: 1 PID: 4050 Comm: syz-executor Not tainted 5.15.189-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
pstate: 42400405 (nZcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=jc)
pc : copy_mount_options fs/namespace.c:3235 [inline]
pc : __do_sys_mount fs/namespace.c:3560 [inline]
pc : __se_sys_mount fs/namespace.c:3542 [inline]
pc : __arm64_sys_mount+0x2f8/0x5e4 fs/namespace.c:3542
lr : copy_mount_options fs/namespace.c:3235 [inline]
lr : __do_sys_mount fs/namespace.c:3560 [inline]
lr : __se_sys_mount fs/namespace.c:3542 [inline]
lr : __arm64_sys_mount+0x2d4/0x5e4 fs/namespace.c:3542
sp : ffff80001f0b7c80
x29: ffff80001f0b7d20 x28: 00000000fffffff2 x27: 0000ffffeeb3b000
x26: ffff0000db9051c0 x25: 0000000000000000 x24: 0000ffffeeb3a221
x23: ffff0000c2cca000 x22: 0000000000000ddf x21: dfff800000000000
x20: 00000000fffffddf x19: 0000000000000000 x18: 0000000000000000
x17: 0000000000000000 x16: ffff8000089650ac x15: 0000ffffeeb3a221
x14: 652d7a79732f2e00 x13: 1ffff0000282e06b x12: 0000000000ff0100
x11: 0000000000000000 x10: 0000ffffffffffff x9 : 0000ffffeeb3b000
x8 : 0000ffffeeb3b000 x7 : ffff800008750ed4 x6 : 0000000000000000
x5 : 0000000000000000 x4 : 0000000000000001 x3 : 0000000000000001
x2 : 0000000000000008 x1 : 0000000000000001 x0 : 0000000000000000
Call trace:
 copy_mount_options fs/namespace.c:3235 [inline]
 __do_sys_mount fs/namespace.c:3560 [inline]
 __se_sys_mount fs/namespace.c:3542 [inline]
 __arm64_sys_mount+0x2f8/0x5e4 fs/namespace.c:3542
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142
 do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181
 el0_svc+0x78/0x1e0 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 2a1903fc 2a1903e0 38400933 (2a1c03e1) 
---[ end trace 38d525d0851cb824 ]---
----------------
Code disassembly (best guess):
   0:	d503229f 	csdb
   4:	2a1903fc 	mov	w28, w25
   8:	2a1903e0 	mov	w0, w25
   c:	38400933 	ldtrb	w19, [x9]
* 10:	2a1c03e1 	mov	w1, w28 <-- trapping instruction