Extracting prog: 3m8.369194423s
Minimizing prog: 31m14.038679014s
Simplifying prog options: 0s
Extracting C: 41.278070636s
Simplifying C: 16m48.352715533s


1 programs, timeouts [30s 6m0s]
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:6 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}}): madvise-mremap-mlock-mbind-syz_clone
detailed listing:
executing program 0:
madvise(&(0x7f0000a93000/0x4000)=nil, 0x4000, 0xe)
mremap(&(0x7f0000a96000/0x1000)=nil, 0x1000, 0x800000, 0x3, &(0x7f0000130000/0x800000)=nil)
mlock(&(0x7f0000000000/0x800000)=nil, 0x800000)
mbind(&(0x7f0000400000/0xc00000)=nil, 0xc00000, 0x0, 0x0, 0x0, 0x2)
syz_clone(0x11, 0x0, 0x0, 0x0, 0x0, 0x0)

program did not crash
single: failed to extract reproducer
single: executing 1 programs separately with timeout 6m0s
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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}}): madvise-mremap-mlock-mbind-syz_clone
detailed listing:
executing program 0:
madvise(&(0x7f0000a93000/0x4000)=nil, 0x4000, 0xe)
mremap(&(0x7f0000a96000/0x1000)=nil, 0x1000, 0x800000, 0x3, &(0x7f0000130000/0x800000)=nil)
mlock(&(0x7f0000000000/0x800000)=nil, 0x800000)
mbind(&(0x7f0000400000/0xc00000)=nil, 0xc00000, 0x0, 0x0, 0x0, 0x2)
syz_clone(0x11, 0x0, 0x0, 0x0, 0x0, 0x0)

program crashed: WARNING in copy_huge_pmd
single: successfully extracted reproducer
found reproducer with 5 syscalls
minimizing guilty program
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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}}): madvise-mremap-mlock-mbind
detailed listing:
executing program 0:
madvise(&(0x7f0000a93000/0x4000)=nil, 0x4000, 0xe)
mremap(&(0x7f0000a96000/0x1000)=nil, 0x1000, 0x800000, 0x3, &(0x7f0000130000/0x800000)=nil)
mlock(&(0x7f0000000000/0x800000)=nil, 0x800000)
mbind(&(0x7f0000400000/0xc00000)=nil, 0xc00000, 0x0, 0x0, 0x0, 0x2)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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}}): madvise-mremap-mlock-syz_clone
detailed listing:
executing program 0:
madvise(&(0x7f0000a93000/0x4000)=nil, 0x4000, 0xe)
mremap(&(0x7f0000a96000/0x1000)=nil, 0x1000, 0x800000, 0x3, &(0x7f0000130000/0x800000)=nil)
mlock(&(0x7f0000000000/0x800000)=nil, 0x800000)
syz_clone(0x11, 0x0, 0x0, 0x0, 0x0, 0x0)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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}}): madvise-mremap-mbind-syz_clone
detailed listing:
executing program 0:
madvise(&(0x7f0000a93000/0x4000)=nil, 0x4000, 0xe)
mremap(&(0x7f0000a96000/0x1000)=nil, 0x1000, 0x800000, 0x3, &(0x7f0000130000/0x800000)=nil)
mbind(&(0x7f0000400000/0xc00000)=nil, 0xc00000, 0x0, 0x0, 0x0, 0x2)
syz_clone(0x11, 0x0, 0x0, 0x0, 0x0, 0x0)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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}}): madvise-mlock-mbind-syz_clone
detailed listing:
executing program 0:
madvise(&(0x7f0000a93000/0x4000)=nil, 0x4000, 0xe)
mlock(&(0x7f0000000000/0x800000)=nil, 0x800000)
mbind(&(0x7f0000400000/0xc00000)=nil, 0xc00000, 0x0, 0x0, 0x0, 0x2)
syz_clone(0x11, 0x0, 0x0, 0x0, 0x0, 0x0)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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}}): mremap-mlock-mbind-syz_clone
detailed listing:
executing program 0:
mremap(&(0x7f0000a96000/0x1000)=nil, 0x1000, 0x800000, 0x3, &(0x7f0000130000/0x800000)=nil)
mlock(&(0x7f0000000000/0x800000)=nil, 0x800000)
mbind(&(0x7f0000400000/0xc00000)=nil, 0xc00000, 0x0, 0x0, 0x0, 0x2)
syz_clone(0x11, 0x0, 0x0, 0x0, 0x0, 0x0)

program did not crash
extracting C reproducer
testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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}}): madvise-mremap-mlock-mbind-syz_clone
program crashed: WARNING in copy_huge_pmd
simplifying C reproducer
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:6 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}}): madvise-mremap-mlock-mbind-syz_clone
program crashed: no output from test machine
a never seen crash title: no output from test machine, ignore
testing compiled C program (duration=6m0s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): madvise-mremap-mlock-mbind-syz_clone
program crashed: no output from test machine
a never seen crash title: no output from test machine, ignore
testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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}}): madvise-mremap-mlock-mbind-syz_clone
program crashed: WARNING in copy_huge_pmd
testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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}}): madvise-mremap-mlock-mbind-syz_clone
program crashed: WARNING in copy_huge_pmd
testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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}}): madvise-mremap-mlock-mbind-syz_clone
program crashed: WARNING in copy_huge_pmd
testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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}}): madvise-mremap-mlock-mbind-syz_clone
program crashed: WARNING in copy_huge_pmd
testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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}}): madvise-mremap-mlock-mbind-syz_clone
program crashed: WARNING in copy_huge_pmd
reproducing took 51m52.038683138s
repro crashed as (corrupted=false):
------------[ cut here ]------------
WARNING: CPU: 0 PID: 5153 at mm/huge_memory.c:1602 copy_huge_pmd+0x102c/0x1c60 mm/huge_memory.c:1602
Modules linked in:
CPU: 0 UID: 0 PID: 5153 Comm: syz-executor198 Not tainted 6.11.0-syzkaller-10392-g68e5c7d4cefb #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
RIP: 0010:copy_huge_pmd+0x102c/0x1c60 mm/huge_memory.c:1602
Code: ff 90 0f 0b 90 e9 2e f5 ff ff e8 df a1 92 ff 48 ff cb e9 0f f7 ff ff e8 d2 a1 92 ff 48 ff cb e9 8a f7 ff ff e8 c5 a1 92 ff 90 <0f> 0b 90 e9 11 fd ff ff 4c 8d ac 24 00 01 00 00 48 b8 06 fe ff ff
RSP: 0018:ffffc90002fdf160 EFLAGS: 00010293
RAX: ffffffff8202137b RBX: ffff8880401464f8 RCX: ffff888035a12440
RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000
RBP: ffffc90002fdf2e8 R08: ffffffff82021246 R09: fffff520005fbe1c
R10: dffffc0000000000 R11: fffff520005fbe1c R12: ffff88803de64d20
R13: d7ffe7fff6f7fe02 R14: 0000000000000020 R15: ffff88803fbeb4e0
FS:  00007f9a88bd36c0(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f9a88bd8b30 CR3: 000000003c0fa000 CR4: 0000000000350ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 copy_pmd_range+0x425/0x85f0 mm/memory.c:1245
 copy_pud_range mm/memory.c:1292 [inline]
 copy_p4d_range mm/memory.c:1316 [inline]
 copy_page_range+0x99f/0xe90 mm/memory.c:1414
 dup_mmap kernel/fork.c:750 [inline]
 dup_mm kernel/fork.c:1674 [inline]
 copy_mm+0x11fb/0x1f40 kernel/fork.c:1723
 copy_process+0x1845/0x3d50 kernel/fork.c:2375
 kernel_clone+0x226/0x8f0 kernel/fork.c:2787
 __do_sys_clone kernel/fork.c:2930 [inline]
 __se_sys_clone kernel/fork.c:2914 [inline]
 __x64_sys_clone+0x258/0x2a0 kernel/fork.c:2914
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f9a88c183d9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f9a88bd3238 EFLAGS: 00000246 ORIG_RAX: 0000000000000038
RAX: ffffffffffffffda RBX: 00007f9a88ca2308 RCX: 00007f9a88c183d9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000011
RBP: 00007f9a88ca2300 R08: 0000000000000000 R09: 00007f9a88bd36c0
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f9a88c6f074
R13: 0000000000000000 R14: 00007fff8d531330 R15: 00007fff8d531418
 </TASK>

final repro crashed as (corrupted=false):
------------[ cut here ]------------
WARNING: CPU: 0 PID: 5153 at mm/huge_memory.c:1602 copy_huge_pmd+0x102c/0x1c60 mm/huge_memory.c:1602
Modules linked in:
CPU: 0 UID: 0 PID: 5153 Comm: syz-executor198 Not tainted 6.11.0-syzkaller-10392-g68e5c7d4cefb #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
RIP: 0010:copy_huge_pmd+0x102c/0x1c60 mm/huge_memory.c:1602
Code: ff 90 0f 0b 90 e9 2e f5 ff ff e8 df a1 92 ff 48 ff cb e9 0f f7 ff ff e8 d2 a1 92 ff 48 ff cb e9 8a f7 ff ff e8 c5 a1 92 ff 90 <0f> 0b 90 e9 11 fd ff ff 4c 8d ac 24 00 01 00 00 48 b8 06 fe ff ff
RSP: 0018:ffffc90002fdf160 EFLAGS: 00010293
RAX: ffffffff8202137b RBX: ffff8880401464f8 RCX: ffff888035a12440
RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000
RBP: ffffc90002fdf2e8 R08: ffffffff82021246 R09: fffff520005fbe1c
R10: dffffc0000000000 R11: fffff520005fbe1c R12: ffff88803de64d20
R13: d7ffe7fff6f7fe02 R14: 0000000000000020 R15: ffff88803fbeb4e0
FS:  00007f9a88bd36c0(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f9a88bd8b30 CR3: 000000003c0fa000 CR4: 0000000000350ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 copy_pmd_range+0x425/0x85f0 mm/memory.c:1245
 copy_pud_range mm/memory.c:1292 [inline]
 copy_p4d_range mm/memory.c:1316 [inline]
 copy_page_range+0x99f/0xe90 mm/memory.c:1414
 dup_mmap kernel/fork.c:750 [inline]
 dup_mm kernel/fork.c:1674 [inline]
 copy_mm+0x11fb/0x1f40 kernel/fork.c:1723
 copy_process+0x1845/0x3d50 kernel/fork.c:2375
 kernel_clone+0x226/0x8f0 kernel/fork.c:2787
 __do_sys_clone kernel/fork.c:2930 [inline]
 __se_sys_clone kernel/fork.c:2914 [inline]
 __x64_sys_clone+0x258/0x2a0 kernel/fork.c:2914
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f9a88c183d9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f9a88bd3238 EFLAGS: 00000246 ORIG_RAX: 0000000000000038
RAX: ffffffffffffffda RBX: 00007f9a88ca2308 RCX: 00007f9a88c183d9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000011
RBP: 00007f9a88ca2300 R08: 0000000000000000 R09: 00007f9a88bd36c0
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f9a88c6f074
R13: 0000000000000000 R14: 00007fff8d531330 R15: 00007fff8d531418
 </TASK>