Extracting prog: 2m0.041032305s
Minimizing prog: 13m56.954271136s
Simplifying prog options: 0s
Extracting C: 39.98234678s
Simplifying C: 6m29.823941442s


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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-openat-truncate-mmap-read$FUSE
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000780)='ext4\x00', &(0x7f0000000480)='./file1\x00', 0x0, &(0x7f0000000540), 0x1, 0x79e, &(0x7f00000007c0)="$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")
r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='./file1\x00', 0x101042, 0x15)
truncate(&(0x7f0000000940)='./file1\x00', 0x8da6)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r0, 0x0)
read$FUSE(r0, &(0x7f0000000400)={0x2020}, 0xfffffeb1)

program did not crash
single: failed to extract reproducer
single: executing 1 programs separately with timeout 1m40s
testing program (duration=1m40s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-openat-truncate-mmap-read$FUSE
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000780)='ext4\x00', &(0x7f0000000480)='./file1\x00', 0x0, &(0x7f0000000540), 0x1, 0x79e, &(0x7f00000007c0)="$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")
r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='./file1\x00', 0x101042, 0x15)
truncate(&(0x7f0000000940)='./file1\x00', 0x8da6)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r0, 0x0)
read$FUSE(r0, &(0x7f0000000400)={0x2020}, 0xfffffeb1)

program crashed: kernel BUG in ext4_writepages
single: successfully extracted reproducer
found reproducer with 5 syscalls
minimizing guilty program
testing program (duration=1m40s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-openat-truncate-mmap
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000780)='ext4\x00', &(0x7f0000000480)='./file1\x00', 0x0, &(0x7f0000000540), 0x1, 0x79e, &(0x7f00000007c0)="$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")
r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='./file1\x00', 0x101042, 0x15)
truncate(&(0x7f0000000940)='./file1\x00', 0x8da6)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r0, 0x0)

program did not crash
testing program (duration=1m40s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-openat-truncate-read$FUSE
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000780)='ext4\x00', &(0x7f0000000480)='./file1\x00', 0x0, &(0x7f0000000540), 0x1, 0x79e, &(0x7f00000007c0)="$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")
r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='./file1\x00', 0x101042, 0x15)
truncate(&(0x7f0000000940)='./file1\x00', 0x8da6)
read$FUSE(r0, &(0x7f0000000400)={0x2020}, 0xfffffeb1)

program did not crash
testing program (duration=1m40s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-openat-mmap-read$FUSE
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000780)='ext4\x00', &(0x7f0000000480)='./file1\x00', 0x0, &(0x7f0000000540), 0x1, 0x79e, &(0x7f00000007c0)="$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")
r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='./file1\x00', 0x101042, 0x15)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r0, 0x0)
read$FUSE(r0, &(0x7f0000000400)={0x2020}, 0xfffffeb1)

program did not crash
testing program (duration=1m40s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-truncate-mmap-read$FUSE
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000780)='ext4\x00', &(0x7f0000000480)='./file1\x00', 0x0, &(0x7f0000000540), 0x1, 0x79e, &(0x7f00000007c0)="$eJzs3c9rXNUeAPDvnfxq0r6XPHjwXl0FBA2UTkyNrYKLigsRLBR0bRsm0xAzyZTMpDQhixYR3ChaXAi66dpq3bn1x1b/CxfSUjUtVlxI5E5m2kkzk07a+VHI5wM3c8695+ac75z748zcy9wA9q3x9E8m4nBEfJREjFbnJxExUEn1R5zcKnd3Yz2XTklsbr75W1Ipc2djPRd166QOVjP/j4jv34s4ktlZb2l1bWGmUMgvV/OT5cXzk6XVtaPzizNz+bn80vGp6eljJ144cbx9sf7x09qhmx+/9uxXJ/9693/XP/ghiZNxqLqsPo52GY/x6nsykL6F27za7sp6LOl1A3gk6a7Zt7WXx+EYjb5KqonhbrYMAOiUTQBgH0qMAQBgn6l9D3BnYz1Xm3r7jUR33XolIg5sxV+7vrm1pL96ze5A5TroyJ1k25WRJCLG2lD/eMSHVyKuff7N29ei2g+upQHdcOlyRJwdG995/E923LOwV8/ttnBzqPIy/sDs/Xb+gV76Nh3/vNho/Je5N/6JBuOfoQb77qN4+P6fudGGappKx38v193bdrcu/qqxvmruX5Ux30Bybr6QT49t/46IiRgYSvNTlaKNR24Tt/++3az+NP507JdOv19554u0/vT1fonMjf6h7evMzpRnHjfumluXI57qbxR/cq//kybj39Mt1vH6S+9/1mxZGn8ab23aGX9nbV6NeKZh/9/vy2TX+xMnK5vDZG2jaODrnz8daVZ/ff+nU1p/7bNAN6T9P7J7/GNJ/f2apb3X8ePV0e+aLXt4/I23/8HkrUp6sDrv4ky5vDwVMZi8sXP+sfvr1vK18mn8E0833v+3qm28/aefCc+2GH//zV+/fPT4OyuNf3ZP/b/3xPW7C33N6m+t/6crqYnqnFaOf6028HHeOwAAAAAAAAAAAAAAAAAAAAAAAABoVSYiDkWSyd5LZzLZ7NYzvP8bI5lCsVQ+cq64sjQblWdlj8VApvZTl6N1v4c6Vf09/Ep+oJA/Vp+fL+Sfj4j/RMQnQ8OVfDZXLMz2OngAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAqDrY5Pn/qV+Get06AKBjDvS6AQBA1zn/A8D+s7fz/3DH2gEAdI/P/wCw/7R8/j/b2XYAAN3z4Pm/r1GhhjMBAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAACgJadPnUqnzT831nNpfvbC6spC8cLR2XxpIbu4ksvmisvns3PF4lwhn80VF7etnKlLX9p6KRSL56djaeXiZDlfKk+WVtfOLBZXlspn5hdn5vJn8gNdjQ4AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAWlNaXVuYKRTyyxK7Jobb8X8Gex1F+xL98UQ0Q6JjifqjxHDvDlAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAT7h/AgAA///wSSzL")
truncate(&(0x7f0000000940)='./file1\x00', 0x8da6)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, 0xffffffffffffffff, 0x0)
read$FUSE(0xffffffffffffffff, &(0x7f0000000400)={0x2020}, 0xfffffeb1)

program did not crash
testing program (duration=1m40s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat-truncate-mmap-read$FUSE
detailed listing:
executing program 0:
r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='./file1\x00', 0x101042, 0x15)
truncate(&(0x7f0000000940)='./file1\x00', 0x8da6)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r0, 0x0)
read$FUSE(r0, &(0x7f0000000400)={0x2020}, 0xfffffeb1)

program crashed: lost connection to test machine
suppressed program crash: lost connection to test machine
testing program (duration=1m40s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-openat-truncate-mmap-read$FUSE
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000780)='ext4\x00', &(0x7f0000000480)='./file1\x00', 0x0, &(0x7f0000000540), 0x1, 0x79e, &(0x7f00000007c0)="$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")
r0 = openat(0xffffffffffffff9c, 0x0, 0x101042, 0x15)
truncate(&(0x7f0000000940)='./file1\x00', 0x8da6)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r0, 0x0)
read$FUSE(r0, &(0x7f0000000400)={0x2020}, 0xfffffeb1)

program did not crash
testing program (duration=1m40s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-openat-truncate-mmap-read$FUSE
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000780)='ext4\x00', &(0x7f0000000480)='./file1\x00', 0x0, &(0x7f0000000540), 0x1, 0x79e, &(0x7f00000007c0)="$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")
r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='./file1\x00', 0x101042, 0x15)
truncate(0x0, 0x8da6)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r0, 0x0)
read$FUSE(r0, &(0x7f0000000400)={0x2020}, 0xfffffeb1)

program did not crash
testing program (duration=1m40s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-openat-truncate-mmap-read$FUSE
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000780)='ext4\x00', &(0x7f0000000480)='./file1\x00', 0x0, &(0x7f0000000540), 0x1, 0x79e, &(0x7f00000007c0)="$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")
r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='./file1\x00', 0x101042, 0x15)
truncate(&(0x7f0000000940)='./file1\x00', 0x8da6)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r0, 0x0)
read$FUSE(r0, 0x0, 0x0)

program did not crash
extracting C reproducer
testing compiled C program (duration=1m40s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-openat-truncate-mmap-read$FUSE
program crashed: kernel BUG in ext4_writepages
simplifying C reproducer
testing compiled C program (duration=1m40s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-openat-truncate-mmap-read$FUSE
program did not crash
testing compiled C program (duration=1m40s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-openat-truncate-mmap-read$FUSE
program did not crash
testing compiled C program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-openat-truncate-mmap-read$FUSE
program crashed: kernel BUG in ext4_writepages
testing compiled C program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-openat-truncate-mmap-read$FUSE
program crashed: kernel BUG in ext4_writepages
testing compiled C program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-openat-truncate-mmap-read$FUSE
program crashed: kernel BUG in ext4_writepages
testing compiled C program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-openat-truncate-mmap-read$FUSE
program crashed: kernel BUG in ext4_writepages
testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-openat-truncate-mmap-read$FUSE
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000780)='ext4\x00', &(0x7f0000000480)='./file1\x00', 0x0, &(0x7f0000000540), 0x1, 0x79e, &(0x7f00000007c0)="$eJzs3c9rXNUeAPDvnfxq0r6XPHjwXl0FBA2UTkyNrYKLigsRLBR0bRsm0xAzyZTMpDQhixYR3ChaXAi66dpq3bn1x1b/CxfSUjUtVlxI5E5m2kkzk07a+VHI5wM3c8695+ac75z748zcy9wA9q3x9E8m4nBEfJREjFbnJxExUEn1R5zcKnd3Yz2XTklsbr75W1Ipc2djPRd166QOVjP/j4jv34s4ktlZb2l1bWGmUMgvV/OT5cXzk6XVtaPzizNz+bn80vGp6eljJ144cbx9sf7x09qhmx+/9uxXJ/9693/XP/ghiZNxqLqsPo52GY/x6nsykL6F27za7sp6LOl1A3gk6a7Zt7WXx+EYjb5KqonhbrYMAOiUTQBgH0qMAQBgn6l9D3BnYz1Xm3r7jUR33XolIg5sxV+7vrm1pL96ze5A5TroyJ1k25WRJCLG2lD/eMSHVyKuff7N29ei2g+upQHdcOlyRJwdG995/E923LOwV8/ttnBzqPIy/sDs/Xb+gV76Nh3/vNho/Je5N/6JBuOfoQb77qN4+P6fudGGappKx38v193bdrcu/qqxvmruX5Ux30Bybr6QT49t/46IiRgYSvNTlaKNR24Tt/++3az+NP507JdOv19554u0/vT1fonMjf6h7evMzpRnHjfumluXI57qbxR/cq//kybj39Mt1vH6S+9/1mxZGn8ab23aGX9nbV6NeKZh/9/vy2TX+xMnK5vDZG2jaODrnz8daVZ/ff+nU1p/7bNAN6T9P7J7/GNJ/f2apb3X8ePV0e+aLXt4/I23/8HkrUp6sDrv4ky5vDwVMZi8sXP+sfvr1vK18mn8E0833v+3qm28/aefCc+2GH//zV+/fPT4OyuNf3ZP/b/3xPW7C33N6m+t/6crqYnqnFaOf6028HHeOwAAAAAAAAAAAAAAAAAAAAAAAABoVSYiDkWSyd5LZzLZ7NYzvP8bI5lCsVQ+cq64sjQblWdlj8VApvZTl6N1v4c6Vf09/Ep+oJA/Vp+fL+Sfj4j/RMQnQ8OVfDZXLMz2OngAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAqDrY5Pn/qV+Get06AKBjDvS6AQBA1zn/A8D+s7fz/3DH2gEAdI/P/wCw/7R8/j/b2XYAAN3z4Pm/r1GhhjMBAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAACgJadPnUqnzT831nNpfvbC6spC8cLR2XxpIbu4ksvmisvns3PF4lwhn80VF7etnKlLX9p6KRSL56djaeXiZDlfKk+WVtfOLBZXlspn5hdn5vJn8gNdjQ4AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAWlNaXVuYKRTyyxK7Jobb8X8Gex1F+xL98UQ0Q6JjifqjxHDvDlAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAT7h/AgAA///wSSzL")
r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='./file1\x00', 0x101042, 0x15)
truncate(&(0x7f0000000940)='./file1\x00', 0x8da6)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r0, 0x0)
read$FUSE(r0, &(0x7f0000000400)={0x2020}, 0xfffffeb1)

program crashed: kernel BUG in ext4_writepages
validation run: crashed=true
testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-openat-truncate-mmap-read$FUSE
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000780)='ext4\x00', &(0x7f0000000480)='./file1\x00', 0x0, &(0x7f0000000540), 0x1, 0x79e, &(0x7f00000007c0)="$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")
r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='./file1\x00', 0x101042, 0x15)
truncate(&(0x7f0000000940)='./file1\x00', 0x8da6)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r0, 0x0)
read$FUSE(r0, &(0x7f0000000400)={0x2020}, 0xfffffeb1)

program crashed: kernel BUG in ext4_writepages
validation run: crashed=true
testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-openat-truncate-mmap-read$FUSE
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000780)='ext4\x00', &(0x7f0000000480)='./file1\x00', 0x0, &(0x7f0000000540), 0x1, 0x79e, &(0x7f00000007c0)="$eJzs3c9rXNUeAPDvnfxq0r6XPHjwXl0FBA2UTkyNrYKLigsRLBR0bRsm0xAzyZTMpDQhixYR3ChaXAi66dpq3bn1x1b/CxfSUjUtVlxI5E5m2kkzk07a+VHI5wM3c8695+ac75z748zcy9wA9q3x9E8m4nBEfJREjFbnJxExUEn1R5zcKnd3Yz2XTklsbr75W1Ipc2djPRd166QOVjP/j4jv34s4ktlZb2l1bWGmUMgvV/OT5cXzk6XVtaPzizNz+bn80vGp6eljJ144cbx9sf7x09qhmx+/9uxXJ/9693/XP/ghiZNxqLqsPo52GY/x6nsykL6F27za7sp6LOl1A3gk6a7Zt7WXx+EYjb5KqonhbrYMAOiUTQBgH0qMAQBgn6l9D3BnYz1Xm3r7jUR33XolIg5sxV+7vrm1pL96ze5A5TroyJ1k25WRJCLG2lD/eMSHVyKuff7N29ei2g+upQHdcOlyRJwdG995/E923LOwV8/ttnBzqPIy/sDs/Xb+gV76Nh3/vNho/Je5N/6JBuOfoQb77qN4+P6fudGGappKx38v193bdrcu/qqxvmruX5Ux30Bybr6QT49t/46IiRgYSvNTlaKNR24Tt/++3az+NP507JdOv19554u0/vT1fonMjf6h7evMzpRnHjfumluXI57qbxR/cq//kybj39Mt1vH6S+9/1mxZGn8ab23aGX9nbV6NeKZh/9/vy2TX+xMnK5vDZG2jaODrnz8daVZ/ff+nU1p/7bNAN6T9P7J7/GNJ/f2apb3X8ePV0e+aLXt4/I23/8HkrUp6sDrv4ky5vDwVMZi8sXP+sfvr1vK18mn8E0833v+3qm28/aefCc+2GH//zV+/fPT4OyuNf3ZP/b/3xPW7C33N6m+t/6crqYnqnFaOf6028HHeOwAAAAAAAAAAAAAAAAAAAAAAAABoVSYiDkWSyd5LZzLZ7NYzvP8bI5lCsVQ+cq64sjQblWdlj8VApvZTl6N1v4c6Vf09/Ep+oJA/Vp+fL+Sfj4j/RMQnQ8OVfDZXLMz2OngAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAqDrY5Pn/qV+Get06AKBjDvS6AQBA1zn/A8D+s7fz/3DH2gEAdI/P/wCw/7R8/j/b2XYAAN3z4Pm/r1GhhjMBAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAACgJadPnUqnzT831nNpfvbC6spC8cLR2XxpIbu4ksvmisvns3PF4lwhn80VF7etnKlLX9p6KRSL56djaeXiZDlfKk+WVtfOLBZXlspn5hdn5vJn8gNdjQ4AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAWlNaXVuYKRTyyxK7Jobb8X8Gex1F+xL98UQ0Q6JjifqjxHDvDlAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAT7h/AgAA///wSSzL")
r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='./file1\x00', 0x101042, 0x15)
truncate(&(0x7f0000000940)='./file1\x00', 0x8da6)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r0, 0x0)
read$FUSE(r0, &(0x7f0000000400)={0x2020}, 0xfffffeb1)

program crashed: kernel BUG in ext4_writepages
validation run: crashed=true
reproducing took 25m56.044024081s
repro crashed as (corrupted=false):
------------[ cut here ]------------
kernel BUG at fs/ext4/inode.c:2749!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 323 Comm: kworker/u4:3 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
Workqueue: writeback wb_workfn (flush-7:6)
RIP: 0010:ext4_writepages+0x3080/0x30a0 fs/ext4/inode.c:2748
Code: dc 8d ff 84 db 75 31 e8 3e da 8d ff 49 bd 00 00 00 00 00 fc ff df 4c 8b 64 24 20 48 8b 5c 24 40 e9 99 f7 ff ff e8 20 da 8d ff <0f> 0b e8 19 da 8d ff e8 c0 9c 24 ff eb 98 e8 0d da 8d ff e8 b4 9c
RSP: 0018:ffffc90000b77120 EFLAGS: 00010293
RAX: ffffffff81dbdc80 RBX: 0000008410000000 RCX: ffff888100fca780
RDX: 0000000000000000 RSI: 0000008000000000 RDI: 0000000000000000
RBP: ffffc90000b77490 R08: ffff888130d64c4f R09: 1ffff110261ac989
R10: dffffc0000000000 R11: ffffed10261ac98a R12: ffff888115b50000
R13: dffffc0000000000 R14: 0000008000000000 R15: ffff888130d64c48
FS:  0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffadea64000 CR3: 000000010f00f000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 do_writepages+0x476/0x6d0 mm/page-writeback.c:2388
 __writeback_single_inode+0xd9/0x9e0 fs/fs-writeback.c:1657
 writeback_sb_inodes+0x9f3/0x1610 fs/fs-writeback.c:1940
 wb_writeback+0x3eb/0x990 fs/fs-writeback.c:2116
 wb_do_writeback fs/fs-writeback.c:2263 [inline]
 wb_workfn+0x3ac/0xf30 fs/fs-writeback.c:2304
 process_one_work+0x6c8/0xbb0 kernel/workqueue.c:2328
 worker_thread+0xaa0/0x1250 kernel/workqueue.c:2475
 kthread+0x3f5/0x4f0 kernel/kthread.c:337
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287
 </TASK>
Modules linked in:
---[ end trace f4a65b3d8d8f0b13 ]---
RIP: 0010:ext4_writepages+0x3080/0x30a0 fs/ext4/inode.c:2748
Code: dc 8d ff 84 db 75 31 e8 3e da 8d ff 49 bd 00 00 00 00 00 fc ff df 4c 8b 64 24 20 48 8b 5c 24 40 e9 99 f7 ff ff e8 20 da 8d ff <0f> 0b e8 19 da 8d ff e8 c0 9c 24 ff eb 98 e8 0d da 8d ff e8 b4 9c
RSP: 0018:ffffc90000b77120 EFLAGS: 00010293
RAX: ffffffff81dbdc80 RBX: 0000008410000000 RCX: ffff888100fca780
RDX: 0000000000000000 RSI: 0000008000000000 RDI: 0000000000000000
RBP: ffffc90000b77490 R08: ffff888130d64c4f R09: 1ffff110261ac989
R10: dffffc0000000000 R11: ffffed10261ac98a R12: ffff888115b50000
R13: dffffc0000000000 R14: 0000008000000000 R15: ffff888130d64c48
FS:  0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fedcd2f9000 CR3: 000000012cbb6000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400

final repro crashed as (corrupted=false):
------------[ cut here ]------------
kernel BUG at fs/ext4/inode.c:2749!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 323 Comm: kworker/u4:3 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
Workqueue: writeback wb_workfn (flush-7:6)
RIP: 0010:ext4_writepages+0x3080/0x30a0 fs/ext4/inode.c:2748
Code: dc 8d ff 84 db 75 31 e8 3e da 8d ff 49 bd 00 00 00 00 00 fc ff df 4c 8b 64 24 20 48 8b 5c 24 40 e9 99 f7 ff ff e8 20 da 8d ff <0f> 0b e8 19 da 8d ff e8 c0 9c 24 ff eb 98 e8 0d da 8d ff e8 b4 9c
RSP: 0018:ffffc90000b77120 EFLAGS: 00010293
RAX: ffffffff81dbdc80 RBX: 0000008410000000 RCX: ffff888100fca780
RDX: 0000000000000000 RSI: 0000008000000000 RDI: 0000000000000000
RBP: ffffc90000b77490 R08: ffff888130d64c4f R09: 1ffff110261ac989
R10: dffffc0000000000 R11: ffffed10261ac98a R12: ffff888115b50000
R13: dffffc0000000000 R14: 0000008000000000 R15: ffff888130d64c48
FS:  0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffadea64000 CR3: 000000010f00f000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 do_writepages+0x476/0x6d0 mm/page-writeback.c:2388
 __writeback_single_inode+0xd9/0x9e0 fs/fs-writeback.c:1657
 writeback_sb_inodes+0x9f3/0x1610 fs/fs-writeback.c:1940
 wb_writeback+0x3eb/0x990 fs/fs-writeback.c:2116
 wb_do_writeback fs/fs-writeback.c:2263 [inline]
 wb_workfn+0x3ac/0xf30 fs/fs-writeback.c:2304
 process_one_work+0x6c8/0xbb0 kernel/workqueue.c:2328
 worker_thread+0xaa0/0x1250 kernel/workqueue.c:2475
 kthread+0x3f5/0x4f0 kernel/kthread.c:337
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287
 </TASK>
Modules linked in:
---[ end trace f4a65b3d8d8f0b13 ]---
RIP: 0010:ext4_writepages+0x3080/0x30a0 fs/ext4/inode.c:2748
Code: dc 8d ff 84 db 75 31 e8 3e da 8d ff 49 bd 00 00 00 00 00 fc ff df 4c 8b 64 24 20 48 8b 5c 24 40 e9 99 f7 ff ff e8 20 da 8d ff <0f> 0b e8 19 da 8d ff e8 c0 9c 24 ff eb 98 e8 0d da 8d ff e8 b4 9c
RSP: 0018:ffffc90000b77120 EFLAGS: 00010293
RAX: ffffffff81dbdc80 RBX: 0000008410000000 RCX: ffff888100fca780
RDX: 0000000000000000 RSI: 0000008000000000 RDI: 0000000000000000
RBP: ffffc90000b77490 R08: ffff888130d64c4f R09: 1ffff110261ac989
R10: dffffc0000000000 R11: ffffed10261ac98a R12: ffff888115b50000
R13: dffffc0000000000 R14: 0000008000000000 R15: ffff888130d64c48
FS:  0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fedcd2f9000 CR3: 000000012cbb6000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400