Extracting prog: 2m38.424829425s
Minimizing prog: 6m38.210031222s
Simplifying prog options: 0s
Extracting C: 58.313482531s
Simplifying C: 8m18.707360882s
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}}): openat$auto_proc_pid_maps_operations_internal-mmap$auto-ioctl$auto_PROCMAP_QUERY
detailed listing:
executing program 0:
r0 = openat$auto_proc_pid_maps_operations_internal(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/maps\x00', 0x40302, 0x0)
mmap$auto(0x0, 0x20009, 0xdf, 0xeb1, 0x401, 0x8000)
ioctl$auto_PROCMAP_QUERY(r0, 0xc0686611, &(0x7f0000000080)={0x101, 0x3c, 0x7fff, 0x5, 0x80000000009, 0x1, 0x800, 0x101, 0x5, 0x7f93, 0xfffffffe, 0x7ffffffd, 0x7ff, 0x7, 0x9})
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=47.807473275s, {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$auto_proc_pid_maps_operations_internal-mmap$auto
detailed listing:
executing program 0:
openat$auto_proc_pid_maps_operations_internal(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/maps\x00', 0x40302, 0x0)
mmap$auto(0x0, 0x20009, 0xdf, 0xeb1, 0x401, 0x8000)
program did not crash
testing program (duration=47.807473275s, {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$auto_proc_pid_maps_operations_internal(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/maps\x00', 0x40302, 0x0)
ioctl$auto_PROCMAP_QUERY(r0, 0xc0686611, &(0x7f0000000080)={0x101, 0x3c, 0x7fff, 0x5, 0x80000000009, 0x1, 0x800, 0x101, 0x5, 0x7f93, 0xfffffffe, 0x7ffffffd, 0x7ff, 0x7, 0x9})
program did not crash
testing program (duration=47.807473275s, {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, &(0x7f0000000080)={0x101, 0x3c, 0x7fff, 0x5, 0x80000000009, 0x1, 0x800, 0x101, 0x5, 0x7f93, 0xfffffffe, 0x7ffffffd, 0x7ff, 0x7, 0x9})
program did not crash
testing program (duration=47.807473275s, {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$auto_proc_pid_maps_operations_internal-mmap$auto-ioctl$auto_PROCMAP_QUERY
detailed listing:
executing program 0:
r0 = openat$auto_proc_pid_maps_operations_internal(0xffffffffffffff9c, 0x0, 0x40302, 0x0)
mmap$auto(0x0, 0x20009, 0xdf, 0xeb1, 0x401, 0x8000)
ioctl$auto_PROCMAP_QUERY(r0, 0xc0686611, &(0x7f0000000080)={0x101, 0x3c, 0x7fff, 0x5, 0x80000000009, 0x1, 0x800, 0x101, 0x5, 0x7f93, 0xfffffffe, 0x7ffffffd, 0x7ff, 0x7, 0x9})
program did not crash
testing program (duration=47.807473275s, {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$auto_proc_pid_maps_operations_internal-mmap$auto-ioctl$auto_PROCMAP_QUERY
detailed listing:
executing program 0:
r0 = openat$auto_proc_pid_maps_operations_internal(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/maps\x00', 0x40302, 0x0)
mmap$auto(0x0, 0x20009, 0xdf, 0xeb1, 0x401, 0x8000)
ioctl$auto_PROCMAP_QUERY(r0, 0xc0686611, 0x0)
program did not crash
extracting C reproducer
testing compiled C program (duration=47.807473275s, {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$auto_proc_pid_maps_operations_internal-mmap$auto-ioctl$auto_PROCMAP_QUERY
program crashed: BUG: unable to handle kernel NULL pointer dereference in filemap_read_folio
simplifying C reproducer
testing compiled C program (duration=47.807473275s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$auto_proc_pid_maps_operations_internal-mmap$auto-ioctl$auto_PROCMAP_QUERY
program crashed: BUG: unable to handle kernel NULL pointer dereference in filemap_read_folio
testing compiled C program (duration=47.807473275s, {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}}): openat$auto_proc_pid_maps_operations_internal-mmap$auto-ioctl$auto_PROCMAP_QUERY
program crashed: BUG: unable to handle kernel NULL pointer dereference in filemap_read_folio
testing compiled C program (duration=47.807473275s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$auto_proc_pid_maps_operations_internal-mmap$auto-ioctl$auto_PROCMAP_QUERY
program crashed: BUG: unable to handle kernel NULL pointer dereference in filemap_read_folio
testing compiled C program (duration=47.807473275s, {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}}): openat$auto_proc_pid_maps_operations_internal-mmap$auto-ioctl$auto_PROCMAP_QUERY
program crashed: BUG: unable to handle kernel NULL pointer dereference in filemap_read_folio
testing compiled C program (duration=47.807473275s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$auto_proc_pid_maps_operations_internal-mmap$auto-ioctl$auto_PROCMAP_QUERY
program crashed: BUG: unable to handle kernel NULL pointer dereference in filemap_read_folio
testing compiled C program (duration=47.807473275s, {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}}): openat$auto_proc_pid_maps_operations_internal-mmap$auto-ioctl$auto_PROCMAP_QUERY
program crashed: BUG: unable to handle kernel NULL pointer dereference in filemap_read_folio
testing compiled C program (duration=47.807473275s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$auto_proc_pid_maps_operations_internal-mmap$auto-ioctl$auto_PROCMAP_QUERY
program crashed: BUG: unable to handle kernel NULL pointer dereference in filemap_read_folio
reproducing took 18m33.655725093s
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 800000007bdd5067 P4D 800000007bdd5067 PUD 32d5c067 PMD 0
Oops: Oops: 0010 [#1] PREEMPT SMP KASAN PTI
CPU: 0 UID: 0 PID: 5823 Comm: syz-executor166 Not tainted 6.13.0-rc5-syzkaller-00006-g56e6a3499e14 #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:ffffc90003c1f9d0 EFLAGS: 00010293
RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff81cf232f
RDX: ffff88805f0dbc00 RSI: ffffea00004bad80 RDI: ffff888029a1a380
RBP: ffffea00004bad80 R08: 0000000000000007 R09: 0000000000000000
R10: 0000000000000000 R11: 00000000000a2001 R12: 1ffff92000783f3b
R13: ffff888029a1a380 R14: 0000000000000000 R15: dffffc0000000000
FS: 0000555573756380(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffffffffffffd6 CR3: 000000005f222000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
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: 0033:0x7f393b4443a9
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:00007ffedf710518 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007ffedf7106f8 RCX: 00007f393b4443a9
RDX: 0000000020000080 RSI: 00000000c0686611 RDI: 0000000000000003
RBP: 00007f393b4b7610 R08: 0000000000008000 R09: 0000000000008000
R10: 0000000000000401 R11: 0000000000000246 R12: 0000000000000001
R13: 00007ffedf7106e8 R14: 0000000000000001 R15: 0000000000000001
Modules linked in:
CR2: 0000000000000000
---[ end trace 0000000000000000 ]---
RIP: 0010:0x0
Code: Unable to access opcode bytes at 0xffffffffffffffd6.
RSP: 0018:ffffc90003c1f9d0 EFLAGS: 00010293
RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff81cf232f
RDX: ffff88805f0dbc00 RSI: ffffea00004bad80 RDI: ffff888029a1a380
RBP: ffffea00004bad80 R08: 0000000000000007 R09: 0000000000000000
R10: 0000000000000000 R11: 00000000000a2001 R12: 1ffff92000783f3b
R13: ffff888029a1a380 R14: 0000000000000000 R15: dffffc0000000000
FS: 0000555573756380(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffffffffffffd6 CR3: 000000005f222000 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 800000007bdd5067 P4D 800000007bdd5067 PUD 32d5c067 PMD 0
Oops: Oops: 0010 [#1] PREEMPT SMP KASAN PTI
CPU: 0 UID: 0 PID: 5823 Comm: syz-executor166 Not tainted 6.13.0-rc5-syzkaller-00006-g56e6a3499e14 #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:ffffc90003c1f9d0 EFLAGS: 00010293
RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff81cf232f
RDX: ffff88805f0dbc00 RSI: ffffea00004bad80 RDI: ffff888029a1a380
RBP: ffffea00004bad80 R08: 0000000000000007 R09: 0000000000000000
R10: 0000000000000000 R11: 00000000000a2001 R12: 1ffff92000783f3b
R13: ffff888029a1a380 R14: 0000000000000000 R15: dffffc0000000000
FS: 0000555573756380(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffffffffffffd6 CR3: 000000005f222000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
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: 0033:0x7f393b4443a9
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:00007ffedf710518 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007ffedf7106f8 RCX: 00007f393b4443a9
RDX: 0000000020000080 RSI: 00000000c0686611 RDI: 0000000000000003
RBP: 00007f393b4b7610 R08: 0000000000008000 R09: 0000000000008000
R10: 0000000000000401 R11: 0000000000000246 R12: 0000000000000001
R13: 00007ffedf7106e8 R14: 0000000000000001 R15: 0000000000000001
Modules linked in:
CR2: 0000000000000000
---[ end trace 0000000000000000 ]---
RIP: 0010:0x0
Code: Unable to access opcode bytes at 0xffffffffffffffd6.
RSP: 0018:ffffc90003c1f9d0 EFLAGS: 00010293
RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff81cf232f
RDX: ffff88805f0dbc00 RSI: ffffea00004bad80 RDI: ffff888029a1a380
RBP: ffffea00004bad80 R08: 0000000000000007 R09: 0000000000000000
R10: 0000000000000000 R11: 00000000000a2001 R12: 1ffff92000783f3b
R13: ffff888029a1a380 R14: 0000000000000000 R15: dffffc0000000000
FS: 0000555573756380(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffffffffffffd6 CR3: 000000005f222000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400