Extracting prog: 2m15.901084378s Minimizing prog: 19m11.653848758s Simplifying prog options: 0s Extracting C: 1m2.826225905s Simplifying C: 8m8.37565904s extracting reproducer from 66 programs first checking the prog from the crash report 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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): io_uring_setup-io_uring_register$IORING_REGISTER_BUFFERS2-io_uring_register$IORING_REGISTER_BUFFERS_UPDATE-syz_open_procfs-preadv detailed listing: executing program 0: r0 = io_uring_setup(0x29e6, &(0x7f0000005100)={0x0, 0x0, 0x82}) io_uring_register$IORING_REGISTER_BUFFERS2(r0, 0xf, &(0x7f0000005500)={0x3, 0x0, 0x0, &(0x7f0000005480)=[{0x0}, {0x0}, {&(0x7f0000005380)=""/255, 0xff}], &(0x7f00000054c0)=[0x0, 0x0, 0x5]}, 0x20) io_uring_register$IORING_REGISTER_BUFFERS_UPDATE(r0, 0x10, &(0x7f0000007cc0)={0x2, 0x0, &(0x7f0000007c40)=[{0x0}], 0x0, 0x1}, 0x20) r1 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000000)='fdinfo/3\x00') preadv(r1, &(0x7f0000000640)=[{&(0x7f0000000140)=""/134, 0x86}], 0x1, 0x0, 0x0) program crashed: general protection fault in io_uring_show_fdinfo single: successfully extracted reproducer found reproducer with 5 syscalls minimizing guilty program testing program (duration=45.974021637s, {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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): io_uring_setup-io_uring_register$IORING_REGISTER_BUFFERS2-io_uring_register$IORING_REGISTER_BUFFERS_UPDATE-syz_open_procfs detailed listing: executing program 0: r0 = io_uring_setup(0x29e6, &(0x7f0000005100)={0x0, 0x0, 0x82}) io_uring_register$IORING_REGISTER_BUFFERS2(r0, 0xf, &(0x7f0000005500)={0x3, 0x0, 0x0, &(0x7f0000005480)=[{0x0}, {0x0}, {&(0x7f0000005380)=""/255, 0xff}], &(0x7f00000054c0)=[0x0, 0x0, 0x5]}, 0x20) io_uring_register$IORING_REGISTER_BUFFERS_UPDATE(r0, 0x10, &(0x7f0000007cc0)={0x2, 0x0, &(0x7f0000007c40)=[{0x0}], 0x0, 0x1}, 0x20) syz_open_procfs(0xffffffffffffffff, &(0x7f0000000000)='fdinfo/3\x00') program did not crash testing program (duration=45.974021637s, {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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): io_uring_setup-io_uring_register$IORING_REGISTER_BUFFERS2-io_uring_register$IORING_REGISTER_BUFFERS_UPDATE-preadv detailed listing: executing program 0: r0 = io_uring_setup(0x29e6, &(0x7f0000005100)={0x0, 0x0, 0x82}) io_uring_register$IORING_REGISTER_BUFFERS2(r0, 0xf, &(0x7f0000005500)={0x3, 0x0, 0x0, &(0x7f0000005480)=[{0x0}, {0x0}, {&(0x7f0000005380)=""/255, 0xff}], &(0x7f00000054c0)=[0x0, 0x0, 0x5]}, 0x20) io_uring_register$IORING_REGISTER_BUFFERS_UPDATE(r0, 0x10, &(0x7f0000007cc0)={0x2, 0x0, &(0x7f0000007c40)=[{0x0}], 0x0, 0x1}, 0x20) preadv(0xffffffffffffffff, &(0x7f0000000640)=[{&(0x7f0000000140)=""/134, 0x86}], 0x1, 0x0, 0x0) program did not crash testing program (duration=45.974021637s, {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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): io_uring_setup-io_uring_register$IORING_REGISTER_BUFFERS2-syz_open_procfs-preadv detailed listing: executing program 0: r0 = io_uring_setup(0x29e6, &(0x7f0000005100)={0x0, 0x0, 0x82}) io_uring_register$IORING_REGISTER_BUFFERS2(r0, 0xf, &(0x7f0000005500)={0x3, 0x0, 0x0, &(0x7f0000005480)=[{0x0}, {0x0}, {&(0x7f0000005380)=""/255, 0xff}], &(0x7f00000054c0)=[0x0, 0x0, 0x5]}, 0x20) r1 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000000)='fdinfo/3\x00') preadv(r1, &(0x7f0000000640)=[{&(0x7f0000000140)=""/134, 0x86}], 0x1, 0x0, 0x0) program crashed: general protection fault in io_uring_show_fdinfo testing program (duration=45.974021637s, {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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): io_uring_setup-syz_open_procfs-preadv detailed listing: executing program 0: io_uring_setup(0x29e6, &(0x7f0000005100)={0x0, 0x0, 0x82}) r0 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000000)='fdinfo/3\x00') preadv(r0, &(0x7f0000000640)=[{&(0x7f0000000140)=""/134, 0x86}], 0x1, 0x0, 0x0) program did not crash testing program (duration=45.974021637s, {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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): io_uring_register$IORING_REGISTER_BUFFERS2-syz_open_procfs-preadv detailed listing: executing program 0: io_uring_register$IORING_REGISTER_BUFFERS2(0xffffffffffffffff, 0xf, &(0x7f0000005500)={0x3, 0x0, 0x0, &(0x7f0000005480)=[{0x0}, {0x0}, {&(0x7f0000005380)=""/255, 0xff}], &(0x7f00000054c0)=[0x0, 0x0, 0x5]}, 0x20) r0 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000000)='fdinfo/3\x00') preadv(r0, &(0x7f0000000640)=[{&(0x7f0000000140)=""/134, 0x86}], 0x1, 0x0, 0x0) program did not crash testing program (duration=45.974021637s, {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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): io_uring_setup-io_uring_register$IORING_REGISTER_BUFFERS2-syz_open_procfs-preadv detailed listing: executing program 0: r0 = io_uring_setup(0x29e6, 0x0) io_uring_register$IORING_REGISTER_BUFFERS2(r0, 0xf, &(0x7f0000005500)={0x3, 0x0, 0x0, &(0x7f0000005480)=[{0x0}, {0x0}, {&(0x7f0000005380)=""/255, 0xff}], &(0x7f00000054c0)=[0x0, 0x0, 0x5]}, 0x20) r1 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000000)='fdinfo/3\x00') preadv(r1, &(0x7f0000000640)=[{&(0x7f0000000140)=""/134, 0x86}], 0x1, 0x0, 0x0) program did not crash testing program (duration=45.974021637s, {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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): io_uring_setup-io_uring_register$IORING_REGISTER_BUFFERS2-syz_open_procfs-preadv detailed listing: executing program 0: r0 = io_uring_setup(0x29e6, &(0x7f0000005100)={0x0, 0x0, 0x82}) io_uring_register$IORING_REGISTER_BUFFERS2(r0, 0xf, 0x0, 0x0) r1 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000000)='fdinfo/3\x00') preadv(r1, &(0x7f0000000640)=[{&(0x7f0000000140)=""/134, 0x86}], 0x1, 0x0, 0x0) program did not crash testing program (duration=45.974021637s, {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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): io_uring_setup-io_uring_register$IORING_REGISTER_BUFFERS2-syz_open_procfs-preadv detailed listing: executing program 0: r0 = io_uring_setup(0x29e6, &(0x7f0000005100)={0x0, 0x0, 0x82}) io_uring_register$IORING_REGISTER_BUFFERS2(r0, 0xf, &(0x7f0000005500)={0x0, 0x0, 0x0, 0x0, &(0x7f00000054c0)=[0x0, 0x0, 0x5]}, 0x20) r1 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000000)='fdinfo/3\x00') preadv(r1, &(0x7f0000000640)=[{&(0x7f0000000140)=""/134, 0x86}], 0x1, 0x0, 0x0) program did not crash testing program (duration=45.974021637s, {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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): io_uring_setup-io_uring_register$IORING_REGISTER_BUFFERS2-syz_open_procfs-preadv detailed listing: executing program 0: r0 = io_uring_setup(0x29e6, &(0x7f0000005100)={0x0, 0x0, 0x82}) io_uring_register$IORING_REGISTER_BUFFERS2(r0, 0xf, &(0x7f0000005500)={0x0, 0x0, 0x0, &(0x7f0000005480), &(0x7f00000054c0)=[0x0, 0x0, 0x5]}, 0x20) r1 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000000)='fdinfo/3\x00') preadv(r1, &(0x7f0000000640)=[{&(0x7f0000000140)=""/134, 0x86}], 0x1, 0x0, 0x0) program did not crash testing program (duration=45.974021637s, {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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): io_uring_setup-io_uring_register$IORING_REGISTER_BUFFERS2-syz_open_procfs-preadv detailed listing: executing program 0: r0 = io_uring_setup(0x29e6, &(0x7f0000005100)={0x0, 0x0, 0x82}) io_uring_register$IORING_REGISTER_BUFFERS2(r0, 0xf, &(0x7f0000005500)={0x3, 0x0, 0x0, &(0x7f0000005480)=[{0x0}, {0x0}, {0x0}], &(0x7f00000054c0)=[0x0, 0x0, 0x5]}, 0x20) r1 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000000)='fdinfo/3\x00') preadv(r1, &(0x7f0000000640)=[{&(0x7f0000000140)=""/134, 0x86}], 0x1, 0x0, 0x0) program did not crash testing program (duration=45.974021637s, {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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): io_uring_setup-io_uring_register$IORING_REGISTER_BUFFERS2-syz_open_procfs-preadv detailed listing: executing program 0: r0 = io_uring_setup(0x29e6, &(0x7f0000005100)={0x0, 0x0, 0x82}) io_uring_register$IORING_REGISTER_BUFFERS2(r0, 0xf, &(0x7f0000005500)={0x3, 0x0, 0x0, &(0x7f0000005480)=[{0x0}, {0x0}, {&(0x7f0000005380)=""/255, 0xff}], 0x0}, 0x20) r1 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000000)='fdinfo/3\x00') preadv(r1, &(0x7f0000000640)=[{&(0x7f0000000140)=""/134, 0x86}], 0x1, 0x0, 0x0) program crashed: general protection fault in io_uring_show_fdinfo testing program (duration=45.974021637s, {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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): io_uring_setup-io_uring_register$IORING_REGISTER_BUFFERS2-syz_open_procfs-preadv detailed listing: executing program 0: r0 = io_uring_setup(0x29e6, &(0x7f0000005100)={0x0, 0x0, 0x82}) io_uring_register$IORING_REGISTER_BUFFERS2(r0, 0xf, &(0x7f0000005500)={0x3, 0x0, 0x0, &(0x7f0000005480)=[{0x0}, {0x0}, {&(0x7f0000005380)=""/255, 0xff}], 0x0}, 0x20) r1 = syz_open_procfs(0xffffffffffffffff, 0x0) preadv(r1, &(0x7f0000000640)=[{&(0x7f0000000140)=""/134, 0x86}], 0x1, 0x0, 0x0) program did not crash testing program (duration=45.974021637s, {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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): io_uring_setup-io_uring_register$IORING_REGISTER_BUFFERS2-syz_open_procfs-preadv detailed listing: executing program 0: r0 = io_uring_setup(0x29e6, &(0x7f0000005100)={0x0, 0x0, 0x82}) io_uring_register$IORING_REGISTER_BUFFERS2(r0, 0xf, &(0x7f0000005500)={0x3, 0x0, 0x0, &(0x7f0000005480)=[{0x0}, {0x0}, {&(0x7f0000005380)=""/255, 0xff}], 0x0}, 0x20) r1 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000000)='fdinfo/3\x00') preadv(r1, 0x0, 0x0, 0x0, 0x0) program did not crash testing program (duration=45.974021637s, {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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): io_uring_setup-io_uring_register$IORING_REGISTER_BUFFERS2-syz_open_procfs-preadv detailed listing: executing program 0: r0 = io_uring_setup(0x29e6, &(0x7f0000005100)={0x0, 0x0, 0x82}) io_uring_register$IORING_REGISTER_BUFFERS2(r0, 0xf, &(0x7f0000005500)={0x3, 0x0, 0x0, &(0x7f0000005480)=[{0x0}, {0x0}, {&(0x7f0000005380)=""/255, 0xff}], 0x0}, 0x20) r1 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000000)='fdinfo/3\x00') preadv(r1, &(0x7f0000000640)=[{0x0}], 0x1, 0x0, 0x0) program did not crash extracting C reproducer testing compiled C program (duration=45.974021637s, {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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): io_uring_setup-io_uring_register$IORING_REGISTER_BUFFERS2-syz_open_procfs-preadv program crashed: general protection fault in io_uring_show_fdinfo simplifying C reproducer testing compiled C program (duration=45.974021637s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): io_uring_setup-io_uring_register$IORING_REGISTER_BUFFERS2-syz_open_procfs-preadv program crashed: general protection fault in io_uring_show_fdinfo testing compiled C program (duration=45.974021637s, {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}}): io_uring_setup-io_uring_register$IORING_REGISTER_BUFFERS2-syz_open_procfs-preadv program crashed: general protection fault in io_uring_show_fdinfo testing compiled C program (duration=45.974021637s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): io_uring_setup-io_uring_register$IORING_REGISTER_BUFFERS2-syz_open_procfs-preadv program crashed: general protection fault in io_uring_show_fdinfo testing compiled C program (duration=45.974021637s, {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}}): io_uring_setup-io_uring_register$IORING_REGISTER_BUFFERS2-syz_open_procfs-preadv program crashed: general protection fault in io_uring_show_fdinfo testing compiled C program (duration=45.974021637s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): io_uring_setup-io_uring_register$IORING_REGISTER_BUFFERS2-syz_open_procfs-preadv program crashed: general protection fault in io_uring_show_fdinfo testing compiled C program (duration=45.974021637s, {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}}): io_uring_setup-io_uring_register$IORING_REGISTER_BUFFERS2-syz_open_procfs-preadv program crashed: general protection fault in io_uring_show_fdinfo testing compiled C program (duration=45.974021637s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): io_uring_setup-io_uring_register$IORING_REGISTER_BUFFERS2-syz_open_procfs-preadv program crashed: general protection fault in io_uring_show_fdinfo reproducing took 30m38.756855929s repro crashed as (corrupted=false): Oops: general protection fault, probably for non-canonical address 0xdffffc0000000003: 0000 [#1] PREEMPT SMP KASAN PTI KASAN: null-ptr-deref in range [0x0000000000000018-0x000000000000001f] CPU: 1 UID: 0 PID: 5841 Comm: syz-executor880 Not tainted 6.12.0-rc5-next-20241031-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 RIP: 0010:io_uring_show_fdinfo+0xeed/0x1810 io_uring/fdinfo.c:181 Code: 00 fc ff df 80 3c 08 00 74 08 48 89 df e8 cb 68 3c f6 48 8b 1b 48 83 c3 18 48 89 d8 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df <80> 3c 08 00 74 08 48 89 df e8 a5 68 3c f6 4d 89 fe 48 8b 1b 48 89 RSP: 0018:ffffc90003e77700 EFLAGS: 00010206 RAX: 0000000000000003 RBX: 0000000000000018 RCX: dffffc0000000000 RDX: ffff88807c56bc00 RSI: 0000000000000003 RDI: 0000000000000000 RBP: ffffc90003e77940 R08: ffffffff8bc2f00d R09: 1ffff1100693501f R10: dffffc0000000000 R11: ffffed1006935020 R12: 0000000000000000 R13: dffffc0000000000 R14: ffff88807d128128 R15: ffff88807d128120 FS: 0000555564351380(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020000008 CR3: 000000007720e000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: seq_show+0x608/0x770 fs/proc/fd.c:68 seq_read_iter+0x43f/0xd70 fs/seq_file.c:230 seq_read+0x3a9/0x4f0 fs/seq_file.c:162 do_loop_readv_writev fs/read_write.c:854 [inline] vfs_readv+0x6bc/0xa80 fs/read_write.c:1027 do_preadv fs/read_write.c:1142 [inline] __do_sys_preadv fs/read_write.c:1192 [inline] __se_sys_preadv fs/read_write.c:1187 [inline] __x64_sys_preadv+0x1c7/0x2d0 fs/read_write.c:1187 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: 0033:0x7f3128bbd669 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:00007ffc9f9c0658 EFLAGS: 00000246 ORIG_RAX: 0000000000000127 RAX: ffffffffffffffda RBX: 00007ffc9f9c0660 RCX: 00007f3128bbd669 RDX: 0000000000000001 RSI: 0000000020000640 RDI: 0000000000000004 RBP: 00007f3128c30610 R08: 0000000000000000 R09: 68742f636f72702f R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 00007ffc9f9c0898 R14: 0000000000000001 R15: 0000000000000001 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:io_uring_show_fdinfo+0xeed/0x1810 io_uring/fdinfo.c:181 Code: 00 fc ff df 80 3c 08 00 74 08 48 89 df e8 cb 68 3c f6 48 8b 1b 48 83 c3 18 48 89 d8 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df <80> 3c 08 00 74 08 48 89 df e8 a5 68 3c f6 4d 89 fe 48 8b 1b 48 89 RSP: 0018:ffffc90003e77700 EFLAGS: 00010206 RAX: 0000000000000003 RBX: 0000000000000018 RCX: dffffc0000000000 RDX: ffff88807c56bc00 RSI: 0000000000000003 RDI: 0000000000000000 RBP: ffffc90003e77940 R08: ffffffff8bc2f00d R09: 1ffff1100693501f R10: dffffc0000000000 R11: ffffed1006935020 R12: 0000000000000000 R13: dffffc0000000000 R14: ffff88807d128128 R15: ffff88807d128120 FS: 0000555564351380(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020000008 CR3: 000000007720e000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess), 4 bytes skipped: 0: 80 3c 08 00 cmpb $0x0,(%rax,%rcx,1) 4: 74 08 je 0xe 6: 48 89 df mov %rbx,%rdi 9: e8 cb 68 3c f6 call 0xf63c68d9 e: 48 8b 1b mov (%rbx),%rbx 11: 48 83 c3 18 add $0x18,%rbx 15: 48 89 d8 mov %rbx,%rax 18: 48 c1 e8 03 shr $0x3,%rax 1c: 48 b9 00 00 00 00 00 movabs $0xdffffc0000000000,%rcx 23: fc ff df * 26: 80 3c 08 00 cmpb $0x0,(%rax,%rcx,1) <-- trapping instruction 2a: 74 08 je 0x34 2c: 48 89 df mov %rbx,%rdi 2f: e8 a5 68 3c f6 call 0xf63c68d9 34: 4d 89 fe mov %r15,%r14 37: 48 8b 1b mov (%rbx),%rbx 3a: 48 rex.W 3b: 89 .byte 0x89 final repro crashed as (corrupted=false): Oops: general protection fault, probably for non-canonical address 0xdffffc0000000003: 0000 [#1] PREEMPT SMP KASAN PTI KASAN: null-ptr-deref in range [0x0000000000000018-0x000000000000001f] CPU: 1 UID: 0 PID: 5841 Comm: syz-executor880 Not tainted 6.12.0-rc5-next-20241031-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 RIP: 0010:io_uring_show_fdinfo+0xeed/0x1810 io_uring/fdinfo.c:181 Code: 00 fc ff df 80 3c 08 00 74 08 48 89 df e8 cb 68 3c f6 48 8b 1b 48 83 c3 18 48 89 d8 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df <80> 3c 08 00 74 08 48 89 df e8 a5 68 3c f6 4d 89 fe 48 8b 1b 48 89 RSP: 0018:ffffc90003e77700 EFLAGS: 00010206 RAX: 0000000000000003 RBX: 0000000000000018 RCX: dffffc0000000000 RDX: ffff88807c56bc00 RSI: 0000000000000003 RDI: 0000000000000000 RBP: ffffc90003e77940 R08: ffffffff8bc2f00d R09: 1ffff1100693501f R10: dffffc0000000000 R11: ffffed1006935020 R12: 0000000000000000 R13: dffffc0000000000 R14: ffff88807d128128 R15: ffff88807d128120 FS: 0000555564351380(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020000008 CR3: 000000007720e000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: seq_show+0x608/0x770 fs/proc/fd.c:68 seq_read_iter+0x43f/0xd70 fs/seq_file.c:230 seq_read+0x3a9/0x4f0 fs/seq_file.c:162 do_loop_readv_writev fs/read_write.c:854 [inline] vfs_readv+0x6bc/0xa80 fs/read_write.c:1027 do_preadv fs/read_write.c:1142 [inline] __do_sys_preadv fs/read_write.c:1192 [inline] __se_sys_preadv fs/read_write.c:1187 [inline] __x64_sys_preadv+0x1c7/0x2d0 fs/read_write.c:1187 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: 0033:0x7f3128bbd669 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:00007ffc9f9c0658 EFLAGS: 00000246 ORIG_RAX: 0000000000000127 RAX: ffffffffffffffda RBX: 00007ffc9f9c0660 RCX: 00007f3128bbd669 RDX: 0000000000000001 RSI: 0000000020000640 RDI: 0000000000000004 RBP: 00007f3128c30610 R08: 0000000000000000 R09: 68742f636f72702f R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 00007ffc9f9c0898 R14: 0000000000000001 R15: 0000000000000001 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:io_uring_show_fdinfo+0xeed/0x1810 io_uring/fdinfo.c:181 Code: 00 fc ff df 80 3c 08 00 74 08 48 89 df e8 cb 68 3c f6 48 8b 1b 48 83 c3 18 48 89 d8 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df <80> 3c 08 00 74 08 48 89 df e8 a5 68 3c f6 4d 89 fe 48 8b 1b 48 89 RSP: 0018:ffffc90003e77700 EFLAGS: 00010206 RAX: 0000000000000003 RBX: 0000000000000018 RCX: dffffc0000000000 RDX: ffff88807c56bc00 RSI: 0000000000000003 RDI: 0000000000000000 RBP: ffffc90003e77940 R08: ffffffff8bc2f00d R09: 1ffff1100693501f R10: dffffc0000000000 R11: ffffed1006935020 R12: 0000000000000000 R13: dffffc0000000000 R14: ffff88807d128128 R15: ffff88807d128120 FS: 0000555564351380(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020000008 CR3: 000000007720e000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess), 4 bytes skipped: 0: 80 3c 08 00 cmpb $0x0,(%rax,%rcx,1) 4: 74 08 je 0xe 6: 48 89 df mov %rbx,%rdi 9: e8 cb 68 3c f6 call 0xf63c68d9 e: 48 8b 1b mov (%rbx),%rbx 11: 48 83 c3 18 add $0x18,%rbx 15: 48 89 d8 mov %rbx,%rax 18: 48 c1 e8 03 shr $0x3,%rax 1c: 48 b9 00 00 00 00 00 movabs $0xdffffc0000000000,%rcx 23: fc ff df * 26: 80 3c 08 00 cmpb $0x0,(%rax,%rcx,1) <-- trapping instruction 2a: 74 08 je 0x34 2c: 48 89 df mov %rbx,%rdi 2f: e8 a5 68 3c f6 call 0xf63c68d9 34: 4d 89 fe mov %r15,%r14 37: 48 8b 1b mov (%rbx),%rbx 3a: 48 rex.W 3b: 89 .byte 0x89