Extracting prog: 1m8.059443203s
Minimizing prog: 9m16.61147221s
Simplifying prog options: 0s
Extracting C: 1m53.211981588s
Simplifying C: 9m31.475823468s


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:4 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$auto-openat$auto_proc_pid_maps_operations_internal-ioctl$auto_PROCMAP_QUERY
detailed listing:
executing program 0:
mmap$auto(0x0, 0x20009, 0xdf, 0xeb1, 0x401, 0x8000)
r0 = openat$auto_proc_pid_maps_operations_internal(0xffffffffffffff9c, &(0x7f0000000080)='/proc/self/maps\x00', 0x200, 0x0)
ioctl$auto_PROCMAP_QUERY(r0, 0xc0686611, &(0x7f0000001600)={0x81, 0x3b, 0x26, 0x0, 0x714, 0x8001, 0x7d6, 0x6, 0x5, 0xbfaf, 0x2, 0x800, 0xd97, 0x2, 0x5})

program crashed: BUG: unable to handle kernel NULL pointer dereference in filemap_read_folio
single: successfully extracted reproducer
found reproducer with 3 syscalls
minimizing guilty program
testing program (duration=51.845800416s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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$auto-openat$auto_proc_pid_maps_operations_internal
detailed listing:
executing program 0:
mmap$auto(0x0, 0x20009, 0xdf, 0xeb1, 0x401, 0x8000)
openat$auto_proc_pid_maps_operations_internal(0xffffffffffffff9c, &(0x7f0000000080)='/proc/self/maps\x00', 0x200, 0x0)

program did not crash
testing program (duration=51.845800416s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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$auto-ioctl$auto_PROCMAP_QUERY
detailed listing:
executing program 0:
mmap$auto(0x0, 0x20009, 0xdf, 0xeb1, 0x401, 0x8000)
ioctl$auto_PROCMAP_QUERY(0xffffffffffffffff, 0xc0686611, &(0x7f0000001600)={0x81, 0x3b, 0x26, 0x0, 0x714, 0x8001, 0x7d6, 0x6, 0x5, 0xbfaf, 0x2, 0x800, 0xd97, 0x2, 0x5})

program did not crash
testing program (duration=51.845800416s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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}}): openat$auto_proc_pid_maps_operations_internal-ioctl$auto_PROCMAP_QUERY
detailed listing:
executing program 0:
r0 = openat$auto_proc_pid_maps_operations_internal(0xffffffffffffff9c, &(0x7f0000000080)='/proc/self/maps\x00', 0x200, 0x0)
ioctl$auto_PROCMAP_QUERY(r0, 0xc0686611, &(0x7f0000001600)={0x81, 0x3b, 0x26, 0x0, 0x714, 0x8001, 0x7d6, 0x6, 0x5, 0xbfaf, 0x2, 0x800, 0xd97, 0x2, 0x5})

program did not crash
testing program (duration=51.845800416s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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$auto-openat$auto_proc_pid_maps_operations_internal-ioctl$auto_PROCMAP_QUERY
detailed listing:
executing program 0:
mmap$auto(0x0, 0x20009, 0xdf, 0xeb1, 0x401, 0x8000)
r0 = openat$auto_proc_pid_maps_operations_internal(0xffffffffffffff9c, 0x0, 0x200, 0x0)
ioctl$auto_PROCMAP_QUERY(r0, 0xc0686611, &(0x7f0000001600)={0x81, 0x3b, 0x26, 0x0, 0x714, 0x8001, 0x7d6, 0x6, 0x5, 0xbfaf, 0x2, 0x800, 0xd97, 0x2, 0x5})

program did not crash
testing program (duration=51.845800416s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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$auto-openat$auto_proc_pid_maps_operations_internal-ioctl$auto_PROCMAP_QUERY
detailed listing:
executing program 0:
mmap$auto(0x0, 0x20009, 0xdf, 0xeb1, 0x401, 0x8000)
r0 = openat$auto_proc_pid_maps_operations_internal(0xffffffffffffff9c, &(0x7f0000000080)='/proc/self/maps\x00', 0x200, 0x0)
ioctl$auto_PROCMAP_QUERY(r0, 0xc0686611, 0x0)

program did not crash
extracting C reproducer
testing compiled C program (duration=51.845800416s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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$auto-openat$auto_proc_pid_maps_operations_internal-ioctl$auto_PROCMAP_QUERY
program crashed: BUG: unable to handle kernel NULL pointer dereference in filemap_read_folio
simplifying C reproducer
testing compiled C program (duration=51.845800416s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-openat$auto_proc_pid_maps_operations_internal-ioctl$auto_PROCMAP_QUERY
program crashed: BUG: unable to handle kernel NULL pointer dereference in filemap_read_folio
testing compiled C program (duration=51.845800416s, {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$auto-openat$auto_proc_pid_maps_operations_internal-ioctl$auto_PROCMAP_QUERY
program crashed: BUG: unable to handle kernel NULL pointer dereference in filemap_read_folio
testing compiled C program (duration=51.845800416s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-openat$auto_proc_pid_maps_operations_internal-ioctl$auto_PROCMAP_QUERY
program crashed: BUG: unable to handle kernel NULL pointer dereference in filemap_read_folio
testing compiled C program (duration=51.845800416s, {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$auto-openat$auto_proc_pid_maps_operations_internal-ioctl$auto_PROCMAP_QUERY
program crashed: BUG: unable to handle kernel NULL pointer dereference in filemap_read_folio
testing compiled C program (duration=51.845800416s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-openat$auto_proc_pid_maps_operations_internal-ioctl$auto_PROCMAP_QUERY
program crashed: BUG: unable to handle kernel NULL pointer dereference in filemap_read_folio
testing compiled C program (duration=51.845800416s, {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$auto-openat$auto_proc_pid_maps_operations_internal-ioctl$auto_PROCMAP_QUERY
program crashed: BUG: unable to handle kernel NULL pointer dereference in filemap_read_folio
testing compiled C program (duration=51.845800416s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-openat$auto_proc_pid_maps_operations_internal-ioctl$auto_PROCMAP_QUERY
program crashed: BUG: unable to handle kernel NULL pointer dereference in filemap_read_folio
reproducing took 21m49.358742482s
repro crashed as (corrupted=false):
BUG: kernel NULL pointer dereference, address: 0000000000000000
#PF: supervisor instruction fetch in kernel mode
#PF: error_code(0x0010) - not-present page
PGD 8000000074a5b067 P4D 8000000074a5b067 PUD 74aa7067 PMD 0 
Oops: Oops: 0010 [#1] PREEMPT SMP KASAN PTI
CPU: 1 UID: 0 PID: 5822 Comm: syz-executor289 Not tainted 6.13.0-rc4-syzkaller-00012-g9b2ffa6148b1 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
RIP: 0010:0x0
Code: Unable to access opcode bytes at 0xffffffffffffffd6.
RSP: 0018:ffffc90003be79d0 EFLAGS: 00010293
RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff81cf223f
RDX: ffff888027bc5a00 RSI: ffffea000049a700 RDI: ffff888077397dc0
RBP: ffffea000049a700 R08: 0000000000000007 R09: 0000000000000000
R10: 0000000000000000 R11: 00000000000a2001 R12: 1ffff9200077cf3b
R13: ffff888077397dc0 R14: 0000000000000000 R15: dffffc0000000000
FS:  000055557bc5a380(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffffffffffffd6 CR3: 00000000340ee000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 filemap_read_folio+0xc6/0x2a0 mm/filemap.c:2366
 do_read_cache_folio+0x263/0x5c0 mm/filemap.c:3826
 freader_get_folio+0x337/0x8e0 lib/buildid.c:77
 freader_fetch+0xc2/0x5b0 lib/buildid.c:120
 __build_id_parse.isra.0+0xef/0x770 lib/buildid.c:305
 do_procmap_query+0xdb2/0xfe0 fs/proc/task_mmu.c:534
 procfs_procmap_ioctl+0x7d/0xb0 fs/proc/task_mmu.c:613
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:906 [inline]
 __se_sys_ioctl fs/ioctl.c:892 [inline]
 __x64_sys_ioctl+0x190/0x200 fs/ioctl.c:892
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fd9f3ad33a9
Code: 48 83 c4 28 c3 e8 37 17 00 00 0f 1f 80 00 00 00 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 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fffe72afaa8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007fffe72afc78 RCX: 00007fd9f3ad33a9
RDX: 0000000020001600 RSI: 00000000c0686611 RDI: 0000000000000003
RBP: 00007fd9f3b46610 R08: 0000000000008000 R09: 00007fffe72afc78
R10: 0000000000008000 R11: 0000000000000246 R12: 0000000000000001
R13: 00007fffe72afc68 R14: 0000000000000001 R15: 0000000000000001
 </TASK>
Modules linked in:
CR2: 0000000000000000
---[ end trace 0000000000000000 ]---
RIP: 0010:0x0
Code: Unable to access opcode bytes at 0xffffffffffffffd6.
RSP: 0018:ffffc90003be79d0 EFLAGS: 00010293
RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff81cf223f
RDX: ffff888027bc5a00 RSI: ffffea000049a700 RDI: ffff888077397dc0
RBP: ffffea000049a700 R08: 0000000000000007 R09: 0000000000000000
R10: 0000000000000000 R11: 00000000000a2001 R12: 1ffff9200077cf3b
R13: ffff888077397dc0 R14: 0000000000000000 R15: dffffc0000000000
FS:  000055557bc5a380(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffffffffffffd6 CR3: 00000000340ee000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400

final repro crashed as (corrupted=false):
BUG: kernel NULL pointer dereference, address: 0000000000000000
#PF: supervisor instruction fetch in kernel mode
#PF: error_code(0x0010) - not-present page
PGD 8000000074a5b067 P4D 8000000074a5b067 PUD 74aa7067 PMD 0 
Oops: Oops: 0010 [#1] PREEMPT SMP KASAN PTI
CPU: 1 UID: 0 PID: 5822 Comm: syz-executor289 Not tainted 6.13.0-rc4-syzkaller-00012-g9b2ffa6148b1 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
RIP: 0010:0x0
Code: Unable to access opcode bytes at 0xffffffffffffffd6.
RSP: 0018:ffffc90003be79d0 EFLAGS: 00010293
RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff81cf223f
RDX: ffff888027bc5a00 RSI: ffffea000049a700 RDI: ffff888077397dc0
RBP: ffffea000049a700 R08: 0000000000000007 R09: 0000000000000000
R10: 0000000000000000 R11: 00000000000a2001 R12: 1ffff9200077cf3b
R13: ffff888077397dc0 R14: 0000000000000000 R15: dffffc0000000000
FS:  000055557bc5a380(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffffffffffffd6 CR3: 00000000340ee000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 filemap_read_folio+0xc6/0x2a0 mm/filemap.c:2366
 do_read_cache_folio+0x263/0x5c0 mm/filemap.c:3826
 freader_get_folio+0x337/0x8e0 lib/buildid.c:77
 freader_fetch+0xc2/0x5b0 lib/buildid.c:120
 __build_id_parse.isra.0+0xef/0x770 lib/buildid.c:305
 do_procmap_query+0xdb2/0xfe0 fs/proc/task_mmu.c:534
 procfs_procmap_ioctl+0x7d/0xb0 fs/proc/task_mmu.c:613
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:906 [inline]
 __se_sys_ioctl fs/ioctl.c:892 [inline]
 __x64_sys_ioctl+0x190/0x200 fs/ioctl.c:892
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fd9f3ad33a9
Code: 48 83 c4 28 c3 e8 37 17 00 00 0f 1f 80 00 00 00 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 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fffe72afaa8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007fffe72afc78 RCX: 00007fd9f3ad33a9
RDX: 0000000020001600 RSI: 00000000c0686611 RDI: 0000000000000003
RBP: 00007fd9f3b46610 R08: 0000000000008000 R09: 00007fffe72afc78
R10: 0000000000008000 R11: 0000000000000246 R12: 0000000000000001
R13: 00007fffe72afc68 R14: 0000000000000001 R15: 0000000000000001
 </TASK>
Modules linked in:
CR2: 0000000000000000
---[ end trace 0000000000000000 ]---
RIP: 0010:0x0
Code: Unable to access opcode bytes at 0xffffffffffffffd6.
RSP: 0018:ffffc90003be79d0 EFLAGS: 00010293
RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff81cf223f
RDX: ffff888027bc5a00 RSI: ffffea000049a700 RDI: ffff888077397dc0
RBP: ffffea000049a700 R08: 0000000000000007 R09: 0000000000000000
R10: 0000000000000000 R11: 00000000000a2001 R12: 1ffff9200077cf3b
R13: ffff888077397dc0 R14: 0000000000000000 R15: dffffc0000000000
FS:  000055557bc5a380(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffffffffffffd6 CR3: 00000000340ee000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400