Extracting prog: 1m54.493018253s Minimizing prog: 4m39.621792342s Simplifying prog options: 3m35.591391344s Extracting C: 57.392821076s Simplifying C: 0s 36 programs, 3 VMs, timeouts [15s 1m40s 6m0s] extracting reproducer from 36 programs single: executing 6 programs separately with timeout 15s testing program (duration=15s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none 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:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): munmap-shmget$private-shmat-mlock-shmat detailed listing: executing program 0: munmap(&(0x7f0000fed000/0x13000)=nil, 0x13000) r0 = shmget$private(0x0, 0x1000, 0x0, &(0x7f0000ffc000/0x1000)=nil) shmat(r0, &(0x7f0000ffc000/0x4000)=nil, 0x0) mlock(&(0x7f0000ffc000/0x1000)=nil, 0x1000) shmat(r0, &(0x7f0000ffd000/0x2000)=nil, 0x0) program crashed: SYZFAIL: leak checking is not implemented single: successfully extracted reproducer found reproducer with 5 syscalls minimizing guilty program testing program (duration=22.5s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none 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:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): munmap-shmget$private-shmat-mlock detailed listing: executing program 0: munmap(&(0x7f0000fed000/0x13000)=nil, 0x13000) r0 = shmget$private(0x0, 0x1000, 0x0, &(0x7f0000ffc000/0x1000)=nil) shmat(r0, &(0x7f0000ffc000/0x4000)=nil, 0x0) mlock(&(0x7f0000ffc000/0x1000)=nil, 0x1000) program crashed: SYZFAIL: leak checking is not implemented testing program (duration=22.5s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none 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:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): munmap-shmget$private-shmat detailed listing: executing program 0: munmap(&(0x7f0000fed000/0x13000)=nil, 0x13000) r0 = shmget$private(0x0, 0x1000, 0x0, &(0x7f0000ffc000/0x1000)=nil) shmat(r0, &(0x7f0000ffc000/0x4000)=nil, 0x0) program did not crash testing program (duration=22.5s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none 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:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): munmap-shmget$private-mlock detailed listing: executing program 0: munmap(&(0x7f0000fed000/0x13000)=nil, 0x13000) shmget$private(0x0, 0x1000, 0x0, &(0x7f0000ffc000/0x1000)=nil) mlock(&(0x7f0000ffc000/0x1000)=nil, 0x1000) program crashed: SYZFAIL: leak checking is not implemented testing program (duration=22.5s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none 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:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): munmap-mlock detailed listing: executing program 0: munmap(&(0x7f0000fed000/0x13000)=nil, 0x13000) mlock(&(0x7f0000ffc000/0x1000)=nil, 0x1000) program did not crash testing program (duration=22.5s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none 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:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): shmget$private-mlock detailed listing: executing program 0: shmget$private(0x0, 0x1000, 0x0, &(0x7f0000ffc000/0x1000)=nil) mlock(&(0x7f0000ffc000/0x1000)=nil, 0x1000) program crashed: SYZFAIL: leak checking is not implemented extracting C reproducer testing compiled C program (duration=22.5s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none 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:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): shmget$private-mlock program did not crash simplifying guilty program options testing program (duration=22.5s, {Threaded:false Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): shmget$private-mlock detailed listing: executing program 0: shmget$private(0x0, 0x1000, 0x0, &(0x7f0000ffc000/0x1000)=nil) mlock(&(0x7f0000ffc000/0x1000)=nil, 0x1000) program crashed: SYZFAIL: leak checking is not implemented extracting C reproducer failed to boot instance (try 1): failed to create VM: can't ssh into the instance failed to run ["ssh" "-p" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "IdentitiesOnly=yes" "-o" "BatchMode=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "-i" "/syzkaller/managers/ci2-netbsd-kmsan/current/key" "root@10.128.0.154" "pwd"]: exit status 255 ssh: connect to host 10.128.0.154 port 22: Connection timed out Pseudo-terminal will not be allocated because stdin is not a terminal. Warning: Permanently added '[us-central1-ssh-serialport.googleapis.com]:9600' (RSA) to the list of known hosts. SeaBIOS (version 1.8.2-google) Total RAM Size = 0x0000000200000000 = 8192 MiB CPUs found: 2 Max CPUs supported: 2 SeaBIOS (version 1.8.2-google) Machine UUID fd8e515d-9120-e8d0-55a0-37ed4836a0ae found virtio-scsi at 0:3 virtio-scsi vendor='Google' product='PersistentDisk' rev='1' type=0 removable=0 virtio-scsi blksize=512 sectors=4194304 = 2048 MiB drive 0x000f2790: PCHS=0/0/0 translation=lba LCHS=520/128/63 s=4194304 Sending Seabios boot VM event. Booting from Hard Disk 0... >> NetBSD/x86 BIOS Boot, Revision 5.11 (Thu Jun 11 19:20:47 UTC 2020) (from NetBSD 9.99.65) >> Memory: 639/3144640 k 1. Boot normally 2. Boot single user 3. Drop to boot prompt Choose an option; RETURN for default; SPACE to stop countdown. Option 1 will be chosen in 5 seconds. 4 seconds. 3 seconds. 2 seconds. 1 seconds. 0 seconds. 0 seconds. command(s): rndseed /var/db/entropy-file;boot default boot twice, skipping... 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Connected to syzkaller.us-central1-b.ci2-netbsd-kmsan-2 port 1 (session ID: 5dccd1db44b10c1ad8bdef8677d48d2a9795188e1b979ff1185d6d10b51938df, active connections: 1). 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[1558944|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\+1026156|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|]=0x6c77c78 /-\|/-\|/-\|/-\|/-\|/-\|Loading /var/db/entropy-file [ 1.0000000] cpu_rng: rdrand/rdseed [ 1.0000000] entropy: ready [ 1.0000000] entropy: entering seed from bootloader with 256 bits of entropy [ 1.0000000] Loaded initial symtab at 0xffffffff86c00a68, strtab at 0xffffffff86d7d408, # entries 64956 [ 1.0000000] Copyright (c) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, [ 1.0000000] 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, [ 1.0000000] 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, [ 1.0000000] 2024 [ 1.0000000] The NetBSD Foundation, Inc. All rights reserved. [ 1.0000000] Copyright (c) 1982, 1986, 1989, 1991, 1993 [ 1.0000000] The Regents of the University of California. All rights reserved. [ 1.0000000] NetBSD 10.99.10 (GENERIC_SYZKALLER) #0: Fri Jun 21 00:09:38 UTC 2024 [ 1.0000000] root@ci2:/syzkaller/managers/ci2-netbsd-kmsan/kernel/sys/arch/amd64/compile/obj/GENERIC_SYZKALLER [ 1.0000000] total memory = 8191 MB [ 1.0000000] avail memory = 1992 MB [ 1.0000040] mainbus0 (root) [ 1.0000040] ACPI: RSDP 0x00000000000F27D0 000014 (v00 Google) [ 1.0000040] ACPI: RSDT 0x00000000BFFFFFA0 000038 (v01 Google GOOGRSDT 00000001 GOOG 00000001) [ 1.0000040] ACPI: FACP 0x00000000BFFFF330 0000F4 (v02 Google GOOGFACP 00000001 GOOG 00000001) [ 1.0000040] ACPI: DSDT 0x00000000BFFFD8C0 001A64 (v01 Google GOOGDSDT 00000001 GOOG 00000001) [ 1.0000040] ACPI: FACS 0x00000000BFFFD880 000040 [ 1.0000040] ACPI: SRAT 0x00000000BFFFFE60 0000C8 (v03 Google GOOGSRAT 00000001 GOOG 00000001) [ 1.0000040] ACPI: APIC 0x00000000BFFFFDB0 000076 (v05 Google GOOGAPIC 00000001 GOOG 00000001) [ 1.0000040] ACPI: SSDT 0x00000000BFFFF430 000980 (v01 Google GOOGSSDT 00000001 GOOG 00000001) [ 1.0000040] ACPI: WAET 0x00000000BFFFFE30 000028 (v01 Google GOOGWAET 00000001 GOOG 00000001) [ 1.0000040] ACPI: 2 ACPI AML tables successfully acquired and loaded [ 1.0000040] ioapic0 at mainbus0 apid 0 [ 1.0000040] cpu0 at mainbus0 apid 0 [ 1.0000040] cpu0: Intel(R) Xeon(R) CPU @ 2.20GHz, id 0x406f0 [ 1.0000040] cpu0: node 0, package 0, core 0, smt 0 [ 1.0000040] cpu1 at mainbus0 apid 1 [ 1.0000040] cpu1: Intel(R) Xeon(R) CPU @ 2.20GHz, id 0x406f0 [ 1.0000040] cpu1: node 0, package 0, core 0, smt 1 [ 1.0000040] acpi0 at mainbus0: Intel ACPICA 20230628 [ 1.0000040] acpi0: fixed power button present [ 1.0000040] acpi0: fixed sleep button present [ 1.0519114] pckbc1 at acpi0 (KBD, PNP0303) (kbd port): io 0x60,0x64 irq 1 [ 1.0519114] pckbc2 at acpi0 (MOU, PNP0F13) (aux port): irq 12 [ 1.0519114] com0 at acpi0 (COM1, PNP0501-1): io 0x3f8-0x3ff irq 4 [ 1.0519114] com: ns16550a, 16-byte FIFO [ 1.0519114] com0: console [ 1.0519114] com1 at acpi0 (COM2, PNP0501-2): io 0x2f8-0x2ff irq 3 [ 1.0519114] com1: ns16550a, 16-byte FIFO [ 1.0519114] com2 at acpi0 (COM3, PNP0501-3): io 0x3e8-0x3ef irq 6 [ 1.0519114] com2: ns16550a, 16-byte FIFO [ 1.0519114] com3 at acpi0 (COM4, PNP0501-4): io 0x2e8-0x2ef irq 7 [ 1.0519114] com3: ns16550a, 16-byte FIFO [ 1.0519114] PEVT (QEMU0001) at acpi0 not configured [ 1.0519114] ACPI: Enabled 16 GPEs in block 00 to 0F [ 1.0519114] pckbd0 at pckbc1 (kbd slot) [ 1.0519114] pckbc1: using irq 1 for kbd slot [ 1.0519114] wskbd0 at pckbd0 mux 1 [ 1.0519114] pms0 at pckbc1 (aux slot) [ 1.0519114] pckbc1: using irq 12 for aux slot [ 1.0519114] wsmouse0 at pms0 mux 0 [ 1.0519114] pci0 at mainbus0 bus 0: configuration mode 1 [ 1.0519114] pchb0 at pci0 dev 0 function 0: Intel 82441FX (PMC) PCI and Memory Controller (rev. 0x02) [ 1.0519114] pcib0 at pci0 dev 1 function 0: Intel 82371AB (PIIX4) PCI-ISA Bridge (rev. 0x03) [ 1.0519114] piixpm0 at pci0 dev 1 function 3: Intel 82371AB (PIIX4) Power Management Controller (rev. 0x03) [ 1.0519114] piixpm0: SMBus disabled [ 1.0519114] virtio0 at pci0 dev 3 function 0 [ 1.0519114] virtio0: SCSI device (id 8, rev. 0x00) [ 1.0519114] vioscsi0 at virtio0: features: 0 [ 1.0519114] vioscsi0: cmd_per_lun 256 qsize 8192 seg_max 64 max_target 253 max_lun 1 [ 1.0519114] virtio0: config interrupting at msix0 vec 0 [ 1.0519114] virtio0: queues interrupting at msix0 vec 1 [ 1.0519114] scsibus0 at vioscsi0: 254 targets, 2 luns per target [ 1.0519114] virtio1 at pci0 dev 4 function 0 [ 1.0519114] virtio1: network device (id 1, rev. 0x00) [ 1.0519114] vioif0 at virtio1: features: 0x20030020 [ 1.0519114] vioif0: Ethernet address 42:01:0a:80:00:9a [ 1.0519114] virtio1: config interrupting at msix1 vec 0 [ 1.0519114] virtio1: queues interrupting at msix1 vec 1 [ 1.0519114] genfb0 at pci0 dev 5 function 0: vendor 1ae0 product a002 (rev. 0x01) [ 1.0519114] virtio2 at pci0 dev 6 function 0 [ 1.0519114] virtio2: memory balloon device (id 5, rev. 0x00) [ 1.0519114] viomb0 at virtio2: features: 0x1 [ 1.0519114] virtio2: interrupting at ioapic0 pin 10 [ 1.0519114] virtio3 at pci0 dev 7 function 0 [ 1.0519114] virtio3: entropy device (id 4, rev. 0x00) [ 1.0519114] viornd0 at virtio3: features: 0 [ 1.0519114] virtio3: interrupting at ioapic0 pin 11 [ 1.0519114] isa0 at pcib0 [ 1.0519114] attimer0 at isa0 port 0x40-0x43 [ 1.0519114] pcppi0 at isa0 port 0x61 [ 1.0519114] spkr0 at pcppi0: PC Speaker [ 1.0519114] wsbell at spkr0 not configured [ 1.0519114] midi0 at pcppi0: PC speaker [ 1.0519114] sysbeep0 at pcppi0 [ 1.0519114] attimer0: attached to pcppi0 [ 1.0519114] acpicpu0 at cpu0: ACPI CPU [ 1.0519114] acpicpu1 at cpu1: ACPI CPU [ 1.3650947] sd0 at scsibus0 target 1 lun 0: disk fixed [ 1.3750811] sd0: fabricating a geometry [ 1.3750811] sd0: 2048 MB, 2048 cyl, 64 head, 32 sec, 512 bytes/sect x 4194304 sectors [ 1.3950584] sd0: fabricating a geometry [ 1.4350952] dk0 at sd0: "49b813d1-8009-4c4f-b3e1-2cc288366ecc", 2097085 blocks at 64, type: ffs [ 1.4530353] dk1 at sd0: "2a5f9479-33b7-499d-8cc4-f8d9ae0937b7", 2097119 blocks at 2097152, type: swap [ 1.4628074] sd0: async, 8-bit transfers, tagged queueing [ 1.5950748] swwdog0: software watchdog initialized [ 2.1450786] usb0 at vhci0: USB revision 2.0 [ 2.1650897] uhub0 at usb0: NetBSD (0x0000) VHCI root hub (0x0000), class 9/0, rev 2.00/1.00, addr 1 [ 2.7050574] usb1 at vhci1: USB revision 2.0 [ 2.7350891] uhub1 at usb1: NetBSD (0x0000) VHCI root hub (0x0000), class 9/0, rev 2.00/1.00, addr 1 [ 3.2850657] usb2 at vhci2: USB revision 2.0 [ 3.3050874] uhub2 at usb2: NetBSD (0x0000) VHCI root hub (0x0000), class 9/0, rev 2.00/1.00, addr 1 [ 3.8550527] usb3 at vhci3: USB revision 2.0 [ 3.8750745] uhub3 at usb3: NetBSD (0x0000) VHCI root hub (0x0000), class 9/0, rev 2.00/1.00, addr 1 [ 4.4150507] usb4 at vhci4: USB revision 2.0 [ 4.4350731] uhub4 at usb4: NetBSD (0x0000) VHCI root hub (0x0000), class 9/0, rev 2.00/1.00, addr 1 [ 4.9650700] usb5 at vhci5: USB revision 2.0 [ 4.9950692] uhub5 at usb5: NetBSD (0x0000) VHCI root hub (0x0000), class 9/0, rev 2.00/1.00, addr 1 [ 5.5350485] usb6 at vhci6: USB revision 2.0 [ 5.5550729] uhub6 at usb6: NetBSD (0x0000) VHCI root hub (0x0000), class 9/0, rev 2.00/1.00, addr 1 [ 6.0950507] usb7 at vhci7: USB revision 2.0 [ 6.1250795] uhub7 at usb7: NetBSD (0x0000) VHCI root hub (0x0000), class 9/0, rev 2.00/1.00, addr 1 [ 6.1750528] boot device: sd0 [ 6.1750528] root on dk0 dumps on dk1 [ 6.1850442] dump_misc_init: max_paddr = 0x240000000 [ 6.1981679] mountroot: trying lfs... [ 6.2064649] mountroot: trying ffs... [ 6.2350679] root file system type: ffs [ 6.2350679] kern.module.path=/stand/amd64/10.99.10/modules [ 6.2463454] WARNING: NVRAM century is 52 but RTC year is 2024 [ 6.3150652] init: copying out path `/sbin/init' 11 Fri Jun 21 06:27:53 UTC 2024 Fast boot: skipping disk checks. [ 8.2050515] UVM: pid 216.216 (sh), uid 0 killed: out of swap [2] Killed (set ${_arg}; . ${_file}) /etc/rc.d/root terminated with signal 9 swapctl: setting dump device to /dev/dk1 swapctl: adding /dev/dk1 as swap device at priority 0 Fast boot: skipping disk checks. rm: dev.cdb: Read-only file system rm: dhcpcd/pid: Read-only file system rm: dhcpcd/sock: Read-only file system rm: dhcpcd/unpriv.sock: Read-only file system rm: dhcpcd/hook-state/ntp.conf: Read-only file system rm: dhcpcd/hook-state: Read-only file system rm: dhcpcd: Read-only file system rm: dmesg.boot: Read-only file system rm: log: Read-only file system rm: lvm: Read-only file system rm: powerd.pid: Read-only file system rm: rc.log: Read-only file system rm: resolvconf/interfaces: Read-only file system rm: resolvconf: Read-only file system rm: sshd.pid: Read-only file system rm: syslogd.pid: Read-only file system rm: syslogd.sockets: Read-only file system rm: utmp: Read-only file system rm: utmpx: Read-only file system chown: /var/run/lvm: Read-only file system chmod: /var/run/lvm: Read-only file system Enter pathname of shell or RETURN for /bin/sh: testing compiled C program (duration=22.5s, {Threaded:false Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): shmget$private-mlock program did not crash testing program (duration=22.5s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none 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:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): shmget$private-mlock detailed listing: executing program 0: shmget$private(0x0, 0x1000, 0x0, &(0x7f0000ffc000/0x1000)=nil) mlock(&(0x7f0000ffc000/0x1000)=nil, 0x1000) program crashed: SYZFAIL: leak checking is not implemented extracting C reproducer testing compiled C program (duration=22.5s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none 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:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): shmget$private-mlock program did not crash reproducing took 11m54.498766426s repro crashed as (corrupted=false): SYZFAIL: leak checking is not implemented (errno 0: Undefined error: 0) final repro crashed as (corrupted=false): SYZFAIL: leak checking is not implemented (errno 0: Undefined error: 0)