Extracting prog: 2m27.734998371s
Minimizing prog: 6m21.510705121s
Simplifying prog options: 0s
Extracting C: 31.802986541s
Simplifying C: 9m46.845055433s


extracting reproducer from 1 programs
testing a last program of every proc
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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-mprotect-madvise-madvise
detailed listing:
executing program 0:
mmap(&(0x7f0000000000/0xff5000)=nil, 0xff5000, 0x0, 0x200000005c832, 0xffffffffffffffff, 0x0)
mprotect(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x7)
madvise(&(0x7f0000021000/0x4000)=nil, 0x4000, 0x64)
madvise(&(0x7f0000021000/0x4000)=nil, 0x4000, 0x64)

program did not crash
program crashed: WARNING in hugetlb_split
single: successfully extracted reproducer
found reproducer with 4 syscalls
minimizing guilty program
testing program (duration=45.615706219s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-mprotect-madvise
detailed listing:
executing program 0:
mmap(&(0x7f0000000000/0xff5000)=nil, 0xff5000, 0x0, 0x200000005c832, 0xffffffffffffffff, 0x0)
mprotect(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x7)
madvise(&(0x7f0000021000/0x4000)=nil, 0x4000, 0x64)

program crashed: WARNING in hugetlb_split
testing program (duration=45.615706219s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-mprotect
detailed listing:
executing program 0:
mmap(&(0x7f0000000000/0xff5000)=nil, 0xff5000, 0x0, 0x200000005c832, 0xffffffffffffffff, 0x0)
mprotect(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x7)

program crashed: WARNING in hugetlb_split
testing program (duration=45.615706219s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap
detailed listing:
executing program 0:
mmap(&(0x7f0000000000/0xff5000)=nil, 0xff5000, 0x0, 0x200000005c832, 0xffffffffffffffff, 0x0)

program did not crash
testing program (duration=45.615706219s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mprotect
detailed listing:
executing program 0:
mprotect(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x7)

program did not crash
extracting C reproducer
testing compiled C program (duration=45.615706219s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-mprotect
program crashed: WARNING in hugetlb_split
simplifying C reproducer
testing compiled C program (duration=45.615706219s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-mprotect
program crashed: WARNING in hugetlb_split
testing compiled C program (duration=45.615706219s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-mprotect
program crashed: WARNING in hugetlb_split
testing compiled C program (duration=45.615706219s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-mprotect
program crashed: WARNING in hugetlb_split
testing compiled C program (duration=45.615706219s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-mprotect
program crashed: WARNING in hugetlb_split
testing compiled C program (duration=45.615706219s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-mprotect
program crashed: WARNING in hugetlb_split
testing compiled C program (duration=45.615706219s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-mprotect
program crashed: WARNING in hugetlb_split
testing compiled C program (duration=45.615706219s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-mprotect
program crashed: WARNING in hugetlb_split
testing program (duration=45.615706219s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-mprotect
detailed listing:
executing program 0:
mmap(&(0x7f0000000000/0xff5000)=nil, 0xff5000, 0x0, 0x200000005c832, 0xffffffffffffffff, 0x0)
mprotect(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x7)

program crashed: WARNING in hugetlb_split
validation run: crashed=true
testing program (duration=45.615706219s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-mprotect
detailed listing:
executing program 0:
mmap(&(0x7f0000000000/0xff5000)=nil, 0xff5000, 0x0, 0x200000005c832, 0xffffffffffffffff, 0x0)
mprotect(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x7)

program crashed: WARNING in hugetlb_split
validation run: crashed=true
testing program (duration=45.615706219s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-mprotect
detailed listing:
executing program 0:
mmap(&(0x7f0000000000/0xff5000)=nil, 0xff5000, 0x0, 0x200000005c832, 0xffffffffffffffff, 0x0)
mprotect(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x7)

program crashed: WARNING in hugetlb_split
validation run: crashed=true
reproducing took 22m54.22495653s
repro crashed as (corrupted=false):
------------[ cut here ]------------
WARNING: CPU: 0 PID: 4415 at include/linux/fs.h:503 i_mmap_assert_write_locked include/linux/fs.h:503 [inline]
WARNING: CPU: 0 PID: 4415 at include/linux/fs.h:503 hugetlb_split+0x234/0x2a0 mm/hugetlb.c:4917
Modules linked in:
CPU: 0 PID: 4415 Comm: syz.0.16 Not tainted 6.1.147-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
RIP: 0010:i_mmap_assert_write_locked include/linux/fs.h:503 [inline]
RIP: 0010:hugetlb_split+0x234/0x2a0 mm/hugetlb.c:4917
Code: b5 ff 4c 89 f7 48 89 de 4c 89 fa 31 c9 5b 41 5c 41 5d 41 5e 41 5f 5d eb 7d e8 28 64 b5 ff 0f 0b e9 65 fe ff ff e8 1c 64 b5 ff <0f> 0b e9 2d ff ff ff 48 c7 c1 64 80 1f 8e 80 e1 07 80 c1 03 38 c1
RSP: 0018:ffffc900032b79a8 EFLAGS: 00010293
RAX: ffffffff81cb62c4 RBX: 0000200000000000 RCX: ffff88807e030000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: dffffc0000000000 R09: ffffed1004727e2e
R10: ffffed1004727e2e R11: 1ffff11004727e2d R12: ffff88807a7aba90
R13: dffffc0000000000 R14: ffff88807a7aba20 R15: ffff88807e43fab8
FS:  000055556f36b500(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2c95ffff CR3: 0000000079841000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 __vma_adjust+0x46b/0x1c50 mm/mmap.c:736
 vma_adjust include/linux/mm.h:2745 [inline]
 __split_vma+0x3a7/0x500 mm/mmap.c:-1
 mprotect_fixup+0x597/0x7f0 mm/mprotect.c:623
 do_mprotect_pkey+0x754/0xa40 mm/mprotect.c:792
 __do_sys_mprotect mm/mprotect.c:819 [inline]
 __se_sys_mprotect mm/mprotect.c:816 [inline]
 __x64_sys_mprotect+0x7c/0x90 mm/mprotect.c:816
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:81
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f7536d8e9a9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffc5af0ea98 EFLAGS: 00000246 ORIG_RAX: 000000000000000a
RAX: ffffffffffffffda RBX: 00007f7536fb5fa0 RCX: 00007f7536d8e9a9
RDX: 0000000000000007 RSI: 0000000000800000 RDI: 0000200000000000
RBP: 00007f7536e10d69 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f7536fb5fa0 R14: 00007f7536fb5fa0 R15: 0000000000000003
 </TASK>

final repro crashed as (corrupted=false):
------------[ cut here ]------------
WARNING: CPU: 0 PID: 4415 at include/linux/fs.h:503 i_mmap_assert_write_locked include/linux/fs.h:503 [inline]
WARNING: CPU: 0 PID: 4415 at include/linux/fs.h:503 hugetlb_split+0x234/0x2a0 mm/hugetlb.c:4917
Modules linked in:
CPU: 0 PID: 4415 Comm: syz.0.16 Not tainted 6.1.147-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
RIP: 0010:i_mmap_assert_write_locked include/linux/fs.h:503 [inline]
RIP: 0010:hugetlb_split+0x234/0x2a0 mm/hugetlb.c:4917
Code: b5 ff 4c 89 f7 48 89 de 4c 89 fa 31 c9 5b 41 5c 41 5d 41 5e 41 5f 5d eb 7d e8 28 64 b5 ff 0f 0b e9 65 fe ff ff e8 1c 64 b5 ff <0f> 0b e9 2d ff ff ff 48 c7 c1 64 80 1f 8e 80 e1 07 80 c1 03 38 c1
RSP: 0018:ffffc900032b79a8 EFLAGS: 00010293
RAX: ffffffff81cb62c4 RBX: 0000200000000000 RCX: ffff88807e030000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: dffffc0000000000 R09: ffffed1004727e2e
R10: ffffed1004727e2e R11: 1ffff11004727e2d R12: ffff88807a7aba90
R13: dffffc0000000000 R14: ffff88807a7aba20 R15: ffff88807e43fab8
FS:  000055556f36b500(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2c95ffff CR3: 0000000079841000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 __vma_adjust+0x46b/0x1c50 mm/mmap.c:736
 vma_adjust include/linux/mm.h:2745 [inline]
 __split_vma+0x3a7/0x500 mm/mmap.c:-1
 mprotect_fixup+0x597/0x7f0 mm/mprotect.c:623
 do_mprotect_pkey+0x754/0xa40 mm/mprotect.c:792
 __do_sys_mprotect mm/mprotect.c:819 [inline]
 __se_sys_mprotect mm/mprotect.c:816 [inline]
 __x64_sys_mprotect+0x7c/0x90 mm/mprotect.c:816
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:81
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f7536d8e9a9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffc5af0ea98 EFLAGS: 00000246 ORIG_RAX: 000000000000000a
RAX: ffffffffffffffda RBX: 00007f7536fb5fa0 RCX: 00007f7536d8e9a9
RDX: 0000000000000007 RSI: 0000000000800000 RDI: 0000200000000000
RBP: 00007f7536e10d69 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f7536fb5fa0 R14: 00007f7536fb5fa0 R15: 0000000000000003
 </TASK>