Extracting prog: 1m21.093753826s
Minimizing prog: 3m20.821773815s
Simplifying prog options: 2m14.911800853s
Extracting C: 1m25.09975695s
Simplifying C: 7m58.200323907s


extracting reproducer from 4 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}}): move_pages
detailed listing:
executing program 0:
move_pages(0x0, 0x20000000000000b3, &(0x7f0000000280), &(0x7f0000000080)=[0x0], 0x0, 0x0)

program crashed: Internal error in sys_move_pages
single: successfully extracted reproducer
found reproducer with 1 syscalls
minimizing guilty program
testing program (duration=45.186600126s, {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}}): move_pages
detailed listing:
executing program 0:
move_pages(0x0, 0x0, 0x0, &(0x7f0000000080)=[0x0], 0x0, 0x0)

program did not crash
testing program (duration=45.186600126s, {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}}): move_pages
detailed listing:
executing program 0:
move_pages(0x0, 0x0, &(0x7f0000000280), 0x0, 0x0, 0x0)

program did not crash
extracting C reproducer
testing compiled C program (duration=45.186600126s, {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}}): move_pages
program crashed: Internal error in sys_mount
a never seen crash title: Internal error in sys_mount, ignore
simplifying guilty program options
testing program (duration=45.186600126s, {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}}): move_pages
detailed listing:
executing program 0:
move_pages(0x0, 0x20000000000000b3, &(0x7f0000000280), &(0x7f0000000080)=[0x0], 0x0, 0x0)

program crashed: Internal error in sys_move_pages
extracting C reproducer
testing compiled C program (duration=45.186600126s, {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}}): move_pages
program crashed: Internal error in sys_move_pages
simplifying C reproducer
testing compiled C program (duration=45.186600126s, {Threaded:false 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}}): move_pages
program crashed: Internal error in sys_move_pages
testing compiled C program (duration=45.186600126s, {Threaded:false 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}}): move_pages
program crashed: Internal error in sys_move_pages
testing compiled C program (duration=45.186600126s, {Threaded:false 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}}): move_pages
program crashed: Internal error in sys_move_pages
testing compiled C program (duration=45.186600126s, {Threaded:false 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}}): move_pages
program crashed: Internal error in sys_move_pages
testing compiled C program (duration=45.186600126s, {Threaded:false 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}}): move_pages
program crashed: Internal error in sys_move_pages
testing compiled C program (duration=45.186600126s, {Threaded:false 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}}): move_pages
program crashed: Internal error in sys_move_pages
testing program (duration=45.186600126s, {Threaded:false 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}}): move_pages
detailed listing:
executing program 0:
move_pages(0x0, 0x20000000000000b3, &(0x7f0000000280), &(0x7f0000000080)=[0x0], 0x0, 0x0)

program crashed: Internal error in sys_mount
validation run: crashed=true
testing program (duration=45.186600126s, {Threaded:false 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}}): move_pages
detailed listing:
executing program 0:
move_pages(0x0, 0x20000000000000b3, &(0x7f0000000280), &(0x7f0000000080)=[0x0], 0x0, 0x0)

program crashed: Internal error in sys_move_pages
validation run: crashed=true
testing program (duration=45.186600126s, {Threaded:false 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}}): move_pages
detailed listing:
executing program 0:
move_pages(0x0, 0x20000000000000b3, &(0x7f0000000280), &(0x7f0000000080)=[0x0], 0x0, 0x0)

program crashed: Internal error in sys_move_pages
validation run: crashed=true
reproducing took 21m43.086571267s
repro crashed as (corrupted=false):
Internal error: Oops - BTI: 0000000036000001 [#1] PREEMPT SMP
Modules linked in:
CPU: 0 PID: 4185 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 : store_status mm/migrate.c:1660 [inline]
pc : do_pages_move mm/migrate.c:1862 [inline]
pc : kernel_move_pages mm/migrate.c:2051 [inline]
pc : __do_sys_move_pages mm/migrate.c:2065 [inline]
pc : __se_sys_move_pages mm/migrate.c:2060 [inline]
pc : __arm64_sys_move_pages+0xf54/0x19d4 mm/migrate.c:2060
lr : store_status mm/migrate.c:1660 [inline]
lr : do_pages_move mm/migrate.c:1862 [inline]
lr : kernel_move_pages mm/migrate.c:2051 [inline]
lr : __do_sys_move_pages mm/migrate.c:2065 [inline]
lr : __se_sys_move_pages mm/migrate.c:2060 [inline]
lr : __arm64_sys_move_pages+0xf30/0x19d4 mm/migrate.c:2060
sp : ffff80001fc57b20
x29: ffff80001fc57d20 x28: 0000000000000000 x27: ffff700003f8af78
x26: 0000000000000000 x25: 0000000000000000 x24: 0000000000000000
x23: 0000000000000000 x22: ffff0000cd426d40 x21: 00000000fffffff2
x20: 00000000fffffff2 x19: dfff800000000000 x18: 1fffe00034218b96
x17: ffff800016d04000 x16: ffff80000884b464 x15: ffff8000167e4500
x14: ffff0000cc752540 x13: 1ffff0000282e06b x12: 0000000000ff0100
x11: 0000000000000000 x10: 0000ffffffffffff x9 : 0000000000000000
x8 : 0000000000000000 x7 : ffff800008750ed4 x6 : 0000000000000000
x5 : 0000000000000000 x4 : 0000000000000001 x3 : 0000000000000001
x2 : 0000000000000008 x1 : 0000000000000001 x0 : 0000000000000000
Call trace:
 store_status mm/migrate.c:1660 [inline]
 do_pages_move mm/migrate.c:1862 [inline]
 kernel_move_pages mm/migrate.c:2051 [inline]
 __do_sys_move_pages mm/migrate.c:2065 [inline]
 __se_sys_move_pages mm/migrate.c:2060 [inline]
 __arm64_sys_move_pages+0xf54/0x19d4 mm/migrate.c:2060
 __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 2a1903f4 2a1903e0 b8000935 (2a1403e1) 
---[ end trace c0c5443719bc6fb4 ]---
----------------
Code disassembly (best guess):
   0:	d503229f 	csdb
   4:	2a1903f4 	mov	w20, w25
   8:	2a1903e0 	mov	w0, w25
   c:	b8000935 	sttr	w21, [x9]
* 10:	2a1403e1 	mov	w1, w20 <-- trapping instruction

final repro crashed as (corrupted=false):
Internal error: Oops - BTI: 0000000036000001 [#1] PREEMPT SMP
Modules linked in:
CPU: 0 PID: 4185 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 : store_status mm/migrate.c:1660 [inline]
pc : do_pages_move mm/migrate.c:1862 [inline]
pc : kernel_move_pages mm/migrate.c:2051 [inline]
pc : __do_sys_move_pages mm/migrate.c:2065 [inline]
pc : __se_sys_move_pages mm/migrate.c:2060 [inline]
pc : __arm64_sys_move_pages+0xf54/0x19d4 mm/migrate.c:2060
lr : store_status mm/migrate.c:1660 [inline]
lr : do_pages_move mm/migrate.c:1862 [inline]
lr : kernel_move_pages mm/migrate.c:2051 [inline]
lr : __do_sys_move_pages mm/migrate.c:2065 [inline]
lr : __se_sys_move_pages mm/migrate.c:2060 [inline]
lr : __arm64_sys_move_pages+0xf30/0x19d4 mm/migrate.c:2060
sp : ffff80001fc57b20
x29: ffff80001fc57d20 x28: 0000000000000000 x27: ffff700003f8af78
x26: 0000000000000000 x25: 0000000000000000 x24: 0000000000000000
x23: 0000000000000000 x22: ffff0000cd426d40 x21: 00000000fffffff2
x20: 00000000fffffff2 x19: dfff800000000000 x18: 1fffe00034218b96
x17: ffff800016d04000 x16: ffff80000884b464 x15: ffff8000167e4500
x14: ffff0000cc752540 x13: 1ffff0000282e06b x12: 0000000000ff0100
x11: 0000000000000000 x10: 0000ffffffffffff x9 : 0000000000000000
x8 : 0000000000000000 x7 : ffff800008750ed4 x6 : 0000000000000000
x5 : 0000000000000000 x4 : 0000000000000001 x3 : 0000000000000001
x2 : 0000000000000008 x1 : 0000000000000001 x0 : 0000000000000000
Call trace:
 store_status mm/migrate.c:1660 [inline]
 do_pages_move mm/migrate.c:1862 [inline]
 kernel_move_pages mm/migrate.c:2051 [inline]
 __do_sys_move_pages mm/migrate.c:2065 [inline]
 __se_sys_move_pages mm/migrate.c:2060 [inline]
 __arm64_sys_move_pages+0xf54/0x19d4 mm/migrate.c:2060
 __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 2a1903f4 2a1903e0 b8000935 (2a1403e1) 
---[ end trace c0c5443719bc6fb4 ]---
----------------
Code disassembly (best guess):
   0:	d503229f 	csdb
   4:	2a1903f4 	mov	w20, w25
   8:	2a1903e0 	mov	w0, w25
   c:	b8000935 	sttr	w21, [x9]
* 10:	2a1403e1 	mov	w1, w20 <-- trapping instruction