Extracting prog: 2m8.828215441s
Minimizing prog: 4m26.512155724s
Simplifying prog options: 0s
Extracting C: 52.11767966s
Simplifying C: 10m58.757920885s


extracting reproducer from 30 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_clone3
detailed listing:
executing program 0:
syz_clone3(&(0x7f00000004c0)={0x100107200, 0x0, 0x0, &(0x7f0000000200), {0x1d}, 0x0, 0x0, 0x0, 0x0}, 0x58)

program crashed: Internal error in copy_process
single: successfully extracted reproducer
found reproducer with 1 syscalls
minimizing guilty program
testing program (duration=45.228864048s, {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_clone3
detailed listing:
executing program 0:
syz_clone3(0x0, 0x0)

program did not crash
testing program (duration=45.228864048s, {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_clone3
detailed listing:
executing program 0:
syz_clone3(&(0x7f00000004c0)={0x100107200, 0x0, 0x0, 0x0, {0x1d}, 0x0, 0x0, 0x0, 0x0}, 0x58)

program did not crash
extracting C reproducer
testing compiled C program (duration=45.228864048s, {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_clone3
program crashed: Internal error in copy_process
simplifying C reproducer
testing compiled C program (duration=45.228864048s, {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}}): syz_clone3
program crashed: Internal error in sys_mount
a never seen crash title: Internal error in sys_mount, ignore
testing compiled C program (duration=45.228864048s, {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}}): syz_clone3
program crashed: Internal error in copy_process
testing compiled C program (duration=45.228864048s, {Threaded:true Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_clone3
program crashed: Internal error in copy_process
testing compiled C program (duration=45.228864048s, {Threaded:true Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_clone3
program crashed: Internal error in copy_process
testing compiled C program (duration=45.228864048s, {Threaded:true Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_clone3
program crashed: Internal error in copy_process
testing compiled C program (duration=45.228864048s, {Threaded:true Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_clone3
program crashed: Internal error in copy_process
testing compiled C program (duration=45.228864048s, {Threaded:true Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_clone3
program crashed: Internal error in copy_process
testing program (duration=45.228864048s, {Threaded:true Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_clone3
detailed listing:
executing program 0:
syz_clone3(&(0x7f00000004c0)={0x100107200, 0x0, 0x0, &(0x7f0000000200), {0x1d}, 0x0, 0x0, 0x0, 0x0}, 0x58)

program crashed: Internal error in sys_mount
validation run: crashed=true
testing program (duration=45.228864048s, {Threaded:true Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_clone3
detailed listing:
executing program 0:
syz_clone3(&(0x7f00000004c0)={0x100107200, 0x0, 0x0, &(0x7f0000000200), {0x1d}, 0x0, 0x0, 0x0, 0x0}, 0x58)

program crashed: Internal error in sys_mount
validation run: crashed=true
testing program (duration=45.228864048s, {Threaded:true Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_clone3
detailed listing:
executing program 0:
syz_clone3(&(0x7f00000004c0)={0x100107200, 0x0, 0x0, &(0x7f0000000200), {0x1d}, 0x0, 0x0, 0x0, 0x0}, 0x58)

program crashed: Internal error in copy_process
validation run: crashed=true
reproducing took 22m27.142315718s
repro crashed as (corrupted=false):
Internal error: Oops - BTI: 0000000036000001 [#1] PREEMPT SMP
Modules linked in:
CPU: 1 PID: 4218 Comm: syz.0.17 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_process+0x25d8/0x34ac kernel/fork.c:2327
lr : copy_process+0x25b4/0x34ac kernel/fork.c:2326
sp : ffff80001fcc78a0
x29: ffff80001fcc7a00 x28: ffff0000ec5d7c80 x27: 1fffe0001ad9027c
x26: 0000000000000003 x25: ffff700003f98f30 x24: ffff0000d83f8838
x23: 0000000100107200 x22: ffff80001fcc7be0 x21: 00000000fffffff2
x20: 0000000000000000 x19: 0000000000000000 x18: 0000000066f9578c
x17: dfff800000000000 x16: ffff80000817dba8 x15: ffff80000817ffe4
x14: ffff80000817ed80 x13: 1ffff0000282e06b x12: 0000000000ff0100
x11: 0000000000000000 x10: 0000000000000000 x9 : 0000ffffffffffff
x8 : 0000000000000000 x7 : ffff800008750ed4 x6 : 0000000000000000
x5 : 0000000000000000 x4 : 0000000000000001 x3 : 0000000000000001
x2 : 0000000000000008 x1 : 0000000000000001 x0 : 0000000000000000
Call trace:
 copy_process+0x25d8/0x34ac kernel/fork.c:2326
 kernel_clone+0x1d8/0x9d4 kernel/fork.c:2679
 __do_sys_clone3 kernel/fork.c:2954 [inline]
 __se_sys_clone3 kernel/fork.c:2938 [inline]
 __arm64_sys_clone3+0x2f4/0x32c kernel/fork.c:2938
 __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 2a1f03f5 2a1f03e0 b800095a (2a1503e1) 
---[ end trace 70c2e409e708361e ]---
----------------
Code disassembly (best guess):
   0:	d503229f 	csdb
   4:	2a1f03f5 	mov	w21, wzr
   8:	2a1f03e0 	mov	w0, wzr
   c:	b800095a 	sttr	w26, [x10]
* 10:	2a1503e1 	mov	w1, w21 <-- trapping instruction

final repro crashed as (corrupted=false):
Internal error: Oops - BTI: 0000000036000001 [#1] PREEMPT SMP
Modules linked in:
CPU: 1 PID: 4218 Comm: syz.0.17 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_process+0x25d8/0x34ac kernel/fork.c:2327
lr : copy_process+0x25b4/0x34ac kernel/fork.c:2326
sp : ffff80001fcc78a0
x29: ffff80001fcc7a00 x28: ffff0000ec5d7c80 x27: 1fffe0001ad9027c
x26: 0000000000000003 x25: ffff700003f98f30 x24: ffff0000d83f8838
x23: 0000000100107200 x22: ffff80001fcc7be0 x21: 00000000fffffff2
x20: 0000000000000000 x19: 0000000000000000 x18: 0000000066f9578c
x17: dfff800000000000 x16: ffff80000817dba8 x15: ffff80000817ffe4
x14: ffff80000817ed80 x13: 1ffff0000282e06b x12: 0000000000ff0100
x11: 0000000000000000 x10: 0000000000000000 x9 : 0000ffffffffffff
x8 : 0000000000000000 x7 : ffff800008750ed4 x6 : 0000000000000000
x5 : 0000000000000000 x4 : 0000000000000001 x3 : 0000000000000001
x2 : 0000000000000008 x1 : 0000000000000001 x0 : 0000000000000000
Call trace:
 copy_process+0x25d8/0x34ac kernel/fork.c:2326
 kernel_clone+0x1d8/0x9d4 kernel/fork.c:2679
 __do_sys_clone3 kernel/fork.c:2954 [inline]
 __se_sys_clone3 kernel/fork.c:2938 [inline]
 __arm64_sys_clone3+0x2f4/0x32c kernel/fork.c:2938
 __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 2a1f03f5 2a1f03e0 b800095a (2a1503e1) 
---[ end trace 70c2e409e708361e ]---
----------------
Code disassembly (best guess):
   0:	d503229f 	csdb
   4:	2a1f03f5 	mov	w21, wzr
   8:	2a1f03e0 	mov	w0, wzr
   c:	b800095a 	sttr	w26, [x10]
* 10:	2a1503e1 	mov	w1, w21 <-- trapping instruction