Extracting prog: 1m8.029078335s Minimizing prog: 47m4.707857162s Simplifying prog options: 0s Extracting C: 2m21.498004911s Simplifying C: 14m46.298430115s extracting reproducer from 38 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: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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-socket$alg-userfaultfd-ioctl$UFFDIO_API-syz_init_net_socket$nl_rdma-sendmsg$netlink-ioctl$UFFDIO_REGISTER-syz_open_dev$usbfs-ioctl$USBDEVFS_CLEAR_HALT-ioctl$UFFDIO_CONTINUE-socket-sendmsg$nl_xfrm-bind$alg-openat$incfs-ioctl$KVM_GET_MSRS_cpu-accept4-pipe-openat$cgroup_ro-splice-ioctl$UFFDIO_ZEROPAGE-fanotify_init-close-openat$qrtrtun-sendmmsg$alg-mmap detailed listing: executing program 0: mmap(&(0x7f0000000000/0x95c000)=nil, 0x95c000, 0x200000b, 0x8c4b815a5465c2b2, 0xffffffffffffffff, 0x0) r0 = socket$alg(0x26, 0x5, 0x0) r1 = userfaultfd(0x801) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f00000000c0)={0xaa, 0x4}) r2 = syz_init_net_socket$nl_rdma(0x10, 0x3, 0x10) sendmsg$netlink(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000000)=[{&(0x7f00000003c0)={0x18, 0x14, 0x1, 0x0, 0x25dfdbff, "", [@nested={0x7, 0x2, 0x0, 0x1, [@generic="ecc032"]}]}, 0x18}], 0x1, 0x0, 0x0, 0x4000}, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, &(0x7f0000000000)={{&(0x7f0000400000/0xc00000)=nil, 0xc00000}, 0x1}) r3 = syz_open_dev$usbfs(&(0x7f0000000240), 0xb, 0x101301) ioctl$USBDEVFS_CLEAR_HALT(r3, 0x80045515, &(0x7f0000000000)={0x4}) ioctl$UFFDIO_CONTINUE(r1, 0xc020aa08, &(0x7f0000000280)={{&(0x7f0000400000/0xc00000)=nil, 0xc00000}}) r4 = socket(0x10, 0x803, 0x0) sendmsg$nl_xfrm(r4, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000080)=ANY=[@ANYRESHEX=r0, @ANYRESOCT=r2], 0x40}, 0x1, 0x0, 0x0, 0x20008085}, 0x90) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'sha512\x00'}, 0x58) r5 = openat$incfs(0xffffffffffffffff, &(0x7f0000000200)='.pending_reads\x00', 0x2a841, 0x90) ioctl$KVM_GET_MSRS_cpu(r5, 0xc008ae88, &(0x7f0000000400)={0x8, 0x0, [{0x948, 0x0, 0x7fffffffffffffff}, {0xd90, 0x0, 0x9}, {0x482}, {0xbbe, 0x0, 0x4}, {0x9bc, 0x0, 0x440000000000}, {0x2ae, 0x0, 0x10001}, {0x35e, 0x0, 0x2}, {0xa44, 0x0, 0x8}]}) r6 = accept4(r0, 0x0, 0x0, 0x80800) pipe(&(0x7f00000001c0)={0xffffffffffffffff, 0xffffffffffffffff}) r8 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='cpuacct.usage_percpu_sys\x00', 0x275a, 0x0) splice(r8, 0x0, r7, 0x0, 0x800000000ff, 0x0) ioctl$UFFDIO_ZEROPAGE(r8, 0xc020aa04, &(0x7f0000000340)={{&(0x7f0000f35000/0x1000)=nil, 0x1000}}) r9 = fanotify_init(0x20, 0x2) close(r9) openat$qrtrtun(0xffffffffffffff9c, &(0x7f0000000100), 0x200) sendmmsg$alg(r6, &(0x7f0000000640)=[{0x0, 0x0, &(0x7f0000000380)=[{&(0x7f0000000140)="b57523cb1a2c90d8acad2e2d98dfc9ea7a5843c3b63b683ced2b3266175599b779617e66e6b3e15c042be90635a2d36160bbf9a2edcacc0bbe015b84150a1928de94397894ff36aa430fc2a0814ba634308d6d0837250dfd1eca5383f9d151449743b1a0c4ffc51242a229c5d6d06f147a61d797ea7ffeda95b76f5623", 0x7d}, {&(0x7f00000001c0)="66f7", 0x2}, {&(0x7f0000000300)='l3', 0x2}], 0x3}], 0x1, 0x20000000) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0xb, 0xc3072, 0xffffffffffffffff, 0x0) program crashed: general protection fault in zap_huge_pmd single: successfully extracted reproducer found reproducer with 25 syscalls minimizing guilty program testing program (duration=45.467947606s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-socket$alg-userfaultfd-ioctl$UFFDIO_API-syz_init_net_socket$nl_rdma-sendmsg$netlink-ioctl$UFFDIO_REGISTER-syz_open_dev$usbfs-ioctl$USBDEVFS_CLEAR_HALT-ioctl$UFFDIO_CONTINUE-socket-sendmsg$nl_xfrm-bind$alg-openat$incfs-ioctl$KVM_GET_MSRS_cpu-accept4-pipe-openat$cgroup_ro-splice-ioctl$UFFDIO_ZEROPAGE-fanotify_init-close-openat$qrtrtun-sendmmsg$alg detailed listing: executing program 0: mmap(&(0x7f0000000000/0x95c000)=nil, 0x95c000, 0x200000b, 0x8c4b815a5465c2b2, 0xffffffffffffffff, 0x0) r0 = socket$alg(0x26, 0x5, 0x0) r1 = userfaultfd(0x801) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f00000000c0)={0xaa, 0x4}) r2 = syz_init_net_socket$nl_rdma(0x10, 0x3, 0x10) sendmsg$netlink(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000000)=[{&(0x7f00000003c0)={0x18, 0x14, 0x1, 0x0, 0x25dfdbff, "", [@nested={0x7, 0x2, 0x0, 0x1, [@generic="ecc032"]}]}, 0x18}], 0x1, 0x0, 0x0, 0x4000}, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, &(0x7f0000000000)={{&(0x7f0000400000/0xc00000)=nil, 0xc00000}, 0x1}) r3 = syz_open_dev$usbfs(&(0x7f0000000240), 0xb, 0x101301) ioctl$USBDEVFS_CLEAR_HALT(r3, 0x80045515, &(0x7f0000000000)={0x4}) ioctl$UFFDIO_CONTINUE(r1, 0xc020aa08, &(0x7f0000000280)={{&(0x7f0000400000/0xc00000)=nil, 0xc00000}}) r4 = socket(0x10, 0x803, 0x0) sendmsg$nl_xfrm(r4, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000080)=ANY=[@ANYRESHEX=r0, @ANYRESOCT=r2], 0x40}, 0x1, 0x0, 0x0, 0x20008085}, 0x90) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'sha512\x00'}, 0x58) r5 = openat$incfs(0xffffffffffffffff, &(0x7f0000000200)='.pending_reads\x00', 0x2a841, 0x90) ioctl$KVM_GET_MSRS_cpu(r5, 0xc008ae88, &(0x7f0000000400)={0x8, 0x0, [{0x948, 0x0, 0x7fffffffffffffff}, {0xd90, 0x0, 0x9}, {0x482}, {0xbbe, 0x0, 0x4}, {0x9bc, 0x0, 0x440000000000}, {0x2ae, 0x0, 0x10001}, {0x35e, 0x0, 0x2}, {0xa44, 0x0, 0x8}]}) r6 = accept4(r0, 0x0, 0x0, 0x80800) pipe(&(0x7f00000001c0)={0xffffffffffffffff, 0xffffffffffffffff}) r8 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='cpuacct.usage_percpu_sys\x00', 0x275a, 0x0) splice(r8, 0x0, r7, 0x0, 0x800000000ff, 0x0) ioctl$UFFDIO_ZEROPAGE(r8, 0xc020aa04, &(0x7f0000000340)={{&(0x7f0000f35000/0x1000)=nil, 0x1000}}) r9 = fanotify_init(0x20, 0x2) close(r9) openat$qrtrtun(0xffffffffffffff9c, &(0x7f0000000100), 0x200) sendmmsg$alg(r6, &(0x7f0000000640)=[{0x0, 0x0, &(0x7f0000000380)=[{&(0x7f0000000140)="b57523cb1a2c90d8acad2e2d98dfc9ea7a5843c3b63b683ced2b3266175599b779617e66e6b3e15c042be90635a2d36160bbf9a2edcacc0bbe015b84150a1928de94397894ff36aa430fc2a0814ba634308d6d0837250dfd1eca5383f9d151449743b1a0c4ffc51242a229c5d6d06f147a61d797ea7ffeda95b76f5623", 0x7d}, {&(0x7f00000001c0)="66f7", 0x2}, {&(0x7f0000000300)='l3', 0x2}], 0x3}], 0x1, 0x20000000) program crashed: general protection fault in zap_huge_pmd testing program (duration=45.467947606s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-socket$alg-userfaultfd-ioctl$UFFDIO_API-syz_init_net_socket$nl_rdma-sendmsg$netlink-ioctl$UFFDIO_REGISTER-syz_open_dev$usbfs-ioctl$USBDEVFS_CLEAR_HALT-ioctl$UFFDIO_CONTINUE-socket-sendmsg$nl_xfrm-bind$alg-openat$incfs-ioctl$KVM_GET_MSRS_cpu-accept4-pipe-openat$cgroup_ro-splice-ioctl$UFFDIO_ZEROPAGE-fanotify_init-close-openat$qrtrtun detailed listing: executing program 0: mmap(&(0x7f0000000000/0x95c000)=nil, 0x95c000, 0x200000b, 0x8c4b815a5465c2b2, 0xffffffffffffffff, 0x0) r0 = socket$alg(0x26, 0x5, 0x0) r1 = userfaultfd(0x801) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f00000000c0)={0xaa, 0x4}) r2 = syz_init_net_socket$nl_rdma(0x10, 0x3, 0x10) sendmsg$netlink(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000000)=[{&(0x7f00000003c0)={0x18, 0x14, 0x1, 0x0, 0x25dfdbff, "", [@nested={0x7, 0x2, 0x0, 0x1, [@generic="ecc032"]}]}, 0x18}], 0x1, 0x0, 0x0, 0x4000}, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, &(0x7f0000000000)={{&(0x7f0000400000/0xc00000)=nil, 0xc00000}, 0x1}) r3 = syz_open_dev$usbfs(&(0x7f0000000240), 0xb, 0x101301) ioctl$USBDEVFS_CLEAR_HALT(r3, 0x80045515, &(0x7f0000000000)={0x4}) ioctl$UFFDIO_CONTINUE(r1, 0xc020aa08, &(0x7f0000000280)={{&(0x7f0000400000/0xc00000)=nil, 0xc00000}}) r4 = socket(0x10, 0x803, 0x0) sendmsg$nl_xfrm(r4, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000080)=ANY=[@ANYRESHEX=r0, @ANYRESOCT=r2], 0x40}, 0x1, 0x0, 0x0, 0x20008085}, 0x90) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'sha512\x00'}, 0x58) r5 = openat$incfs(0xffffffffffffffff, &(0x7f0000000200)='.pending_reads\x00', 0x2a841, 0x90) ioctl$KVM_GET_MSRS_cpu(r5, 0xc008ae88, &(0x7f0000000400)={0x8, 0x0, [{0x948, 0x0, 0x7fffffffffffffff}, {0xd90, 0x0, 0x9}, {0x482}, {0xbbe, 0x0, 0x4}, {0x9bc, 0x0, 0x440000000000}, {0x2ae, 0x0, 0x10001}, {0x35e, 0x0, 0x2}, {0xa44, 0x0, 0x8}]}) accept4(r0, 0x0, 0x0, 0x80800) pipe(&(0x7f00000001c0)={0xffffffffffffffff, 0xffffffffffffffff}) r7 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='cpuacct.usage_percpu_sys\x00', 0x275a, 0x0) splice(r7, 0x0, r6, 0x0, 0x800000000ff, 0x0) ioctl$UFFDIO_ZEROPAGE(r7, 0xc020aa04, &(0x7f0000000340)={{&(0x7f0000f35000/0x1000)=nil, 0x1000}}) r8 = fanotify_init(0x20, 0x2) close(r8) openat$qrtrtun(0xffffffffffffff9c, &(0x7f0000000100), 0x200) program crashed: general protection fault in zap_huge_pmd testing program (duration=45.467947606s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-socket$alg-userfaultfd-ioctl$UFFDIO_API-syz_init_net_socket$nl_rdma-sendmsg$netlink-ioctl$UFFDIO_REGISTER-syz_open_dev$usbfs-ioctl$USBDEVFS_CLEAR_HALT-ioctl$UFFDIO_CONTINUE-socket-sendmsg$nl_xfrm-bind$alg-openat$incfs-ioctl$KVM_GET_MSRS_cpu-accept4-pipe-openat$cgroup_ro-splice-ioctl$UFFDIO_ZEROPAGE-fanotify_init-close detailed listing: executing program 0: mmap(&(0x7f0000000000/0x95c000)=nil, 0x95c000, 0x200000b, 0x8c4b815a5465c2b2, 0xffffffffffffffff, 0x0) r0 = socket$alg(0x26, 0x5, 0x0) r1 = userfaultfd(0x801) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f00000000c0)={0xaa, 0x4}) r2 = syz_init_net_socket$nl_rdma(0x10, 0x3, 0x10) sendmsg$netlink(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000000)=[{&(0x7f00000003c0)={0x18, 0x14, 0x1, 0x0, 0x25dfdbff, "", [@nested={0x7, 0x2, 0x0, 0x1, [@generic="ecc032"]}]}, 0x18}], 0x1, 0x0, 0x0, 0x4000}, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, &(0x7f0000000000)={{&(0x7f0000400000/0xc00000)=nil, 0xc00000}, 0x1}) r3 = syz_open_dev$usbfs(&(0x7f0000000240), 0xb, 0x101301) ioctl$USBDEVFS_CLEAR_HALT(r3, 0x80045515, &(0x7f0000000000)={0x4}) ioctl$UFFDIO_CONTINUE(r1, 0xc020aa08, &(0x7f0000000280)={{&(0x7f0000400000/0xc00000)=nil, 0xc00000}}) r4 = socket(0x10, 0x803, 0x0) sendmsg$nl_xfrm(r4, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000080)=ANY=[@ANYRESHEX=r0, @ANYRESOCT=r2], 0x40}, 0x1, 0x0, 0x0, 0x20008085}, 0x90) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'sha512\x00'}, 0x58) r5 = openat$incfs(0xffffffffffffffff, &(0x7f0000000200)='.pending_reads\x00', 0x2a841, 0x90) ioctl$KVM_GET_MSRS_cpu(r5, 0xc008ae88, &(0x7f0000000400)={0x8, 0x0, [{0x948, 0x0, 0x7fffffffffffffff}, {0xd90, 0x0, 0x9}, {0x482}, {0xbbe, 0x0, 0x4}, {0x9bc, 0x0, 0x440000000000}, {0x2ae, 0x0, 0x10001}, {0x35e, 0x0, 0x2}, {0xa44, 0x0, 0x8}]}) accept4(r0, 0x0, 0x0, 0x80800) pipe(&(0x7f00000001c0)={0xffffffffffffffff, 0xffffffffffffffff}) r7 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='cpuacct.usage_percpu_sys\x00', 0x275a, 0x0) splice(r7, 0x0, r6, 0x0, 0x800000000ff, 0x0) ioctl$UFFDIO_ZEROPAGE(r7, 0xc020aa04, &(0x7f0000000340)={{&(0x7f0000f35000/0x1000)=nil, 0x1000}}) r8 = fanotify_init(0x20, 0x2) close(r8) program crashed: general protection fault in zap_huge_pmd testing program (duration=45.467947606s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-socket$alg-userfaultfd-ioctl$UFFDIO_API-syz_init_net_socket$nl_rdma-sendmsg$netlink-ioctl$UFFDIO_REGISTER-syz_open_dev$usbfs-ioctl$USBDEVFS_CLEAR_HALT-ioctl$UFFDIO_CONTINUE-socket-sendmsg$nl_xfrm-bind$alg-openat$incfs-ioctl$KVM_GET_MSRS_cpu-accept4-pipe-openat$cgroup_ro-splice-ioctl$UFFDIO_ZEROPAGE-fanotify_init detailed listing: executing program 0: mmap(&(0x7f0000000000/0x95c000)=nil, 0x95c000, 0x200000b, 0x8c4b815a5465c2b2, 0xffffffffffffffff, 0x0) r0 = socket$alg(0x26, 0x5, 0x0) r1 = userfaultfd(0x801) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f00000000c0)={0xaa, 0x4}) r2 = syz_init_net_socket$nl_rdma(0x10, 0x3, 0x10) sendmsg$netlink(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000000)=[{&(0x7f00000003c0)={0x18, 0x14, 0x1, 0x0, 0x25dfdbff, "", [@nested={0x7, 0x2, 0x0, 0x1, [@generic="ecc032"]}]}, 0x18}], 0x1, 0x0, 0x0, 0x4000}, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, &(0x7f0000000000)={{&(0x7f0000400000/0xc00000)=nil, 0xc00000}, 0x1}) r3 = syz_open_dev$usbfs(&(0x7f0000000240), 0xb, 0x101301) ioctl$USBDEVFS_CLEAR_HALT(r3, 0x80045515, &(0x7f0000000000)={0x4}) ioctl$UFFDIO_CONTINUE(r1, 0xc020aa08, &(0x7f0000000280)={{&(0x7f0000400000/0xc00000)=nil, 0xc00000}}) r4 = socket(0x10, 0x803, 0x0) sendmsg$nl_xfrm(r4, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000080)=ANY=[@ANYRESHEX=r0, @ANYRESOCT=r2], 0x40}, 0x1, 0x0, 0x0, 0x20008085}, 0x90) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'sha512\x00'}, 0x58) r5 = openat$incfs(0xffffffffffffffff, &(0x7f0000000200)='.pending_reads\x00', 0x2a841, 0x90) ioctl$KVM_GET_MSRS_cpu(r5, 0xc008ae88, &(0x7f0000000400)={0x8, 0x0, [{0x948, 0x0, 0x7fffffffffffffff}, {0xd90, 0x0, 0x9}, {0x482}, {0xbbe, 0x0, 0x4}, {0x9bc, 0x0, 0x440000000000}, {0x2ae, 0x0, 0x10001}, {0x35e, 0x0, 0x2}, {0xa44, 0x0, 0x8}]}) accept4(r0, 0x0, 0x0, 0x80800) pipe(&(0x7f00000001c0)={0xffffffffffffffff, 0xffffffffffffffff}) r7 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='cpuacct.usage_percpu_sys\x00', 0x275a, 0x0) splice(r7, 0x0, r6, 0x0, 0x800000000ff, 0x0) ioctl$UFFDIO_ZEROPAGE(r7, 0xc020aa04, &(0x7f0000000340)={{&(0x7f0000f35000/0x1000)=nil, 0x1000}}) fanotify_init(0x20, 0x2) program crashed: general protection fault in zap_huge_pmd testing program (duration=45.467947606s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-socket$alg-userfaultfd-ioctl$UFFDIO_API-syz_init_net_socket$nl_rdma-sendmsg$netlink-ioctl$UFFDIO_REGISTER-syz_open_dev$usbfs-ioctl$USBDEVFS_CLEAR_HALT-ioctl$UFFDIO_CONTINUE-socket-sendmsg$nl_xfrm-bind$alg-openat$incfs-ioctl$KVM_GET_MSRS_cpu-accept4-pipe-openat$cgroup_ro-splice-ioctl$UFFDIO_ZEROPAGE detailed listing: executing program 0: mmap(&(0x7f0000000000/0x95c000)=nil, 0x95c000, 0x200000b, 0x8c4b815a5465c2b2, 0xffffffffffffffff, 0x0) r0 = socket$alg(0x26, 0x5, 0x0) r1 = userfaultfd(0x801) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f00000000c0)={0xaa, 0x4}) r2 = syz_init_net_socket$nl_rdma(0x10, 0x3, 0x10) sendmsg$netlink(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000000)=[{&(0x7f00000003c0)={0x18, 0x14, 0x1, 0x0, 0x25dfdbff, "", [@nested={0x7, 0x2, 0x0, 0x1, [@generic="ecc032"]}]}, 0x18}], 0x1, 0x0, 0x0, 0x4000}, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, &(0x7f0000000000)={{&(0x7f0000400000/0xc00000)=nil, 0xc00000}, 0x1}) r3 = syz_open_dev$usbfs(&(0x7f0000000240), 0xb, 0x101301) ioctl$USBDEVFS_CLEAR_HALT(r3, 0x80045515, &(0x7f0000000000)={0x4}) ioctl$UFFDIO_CONTINUE(r1, 0xc020aa08, &(0x7f0000000280)={{&(0x7f0000400000/0xc00000)=nil, 0xc00000}}) r4 = socket(0x10, 0x803, 0x0) sendmsg$nl_xfrm(r4, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000080)=ANY=[@ANYRESHEX=r0, @ANYRESOCT=r2], 0x40}, 0x1, 0x0, 0x0, 0x20008085}, 0x90) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'sha512\x00'}, 0x58) r5 = openat$incfs(0xffffffffffffffff, &(0x7f0000000200)='.pending_reads\x00', 0x2a841, 0x90) ioctl$KVM_GET_MSRS_cpu(r5, 0xc008ae88, &(0x7f0000000400)={0x8, 0x0, [{0x948, 0x0, 0x7fffffffffffffff}, {0xd90, 0x0, 0x9}, {0x482}, {0xbbe, 0x0, 0x4}, {0x9bc, 0x0, 0x440000000000}, {0x2ae, 0x0, 0x10001}, {0x35e, 0x0, 0x2}, {0xa44, 0x0, 0x8}]}) accept4(r0, 0x0, 0x0, 0x80800) pipe(&(0x7f00000001c0)={0xffffffffffffffff, 0xffffffffffffffff}) r7 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='cpuacct.usage_percpu_sys\x00', 0x275a, 0x0) splice(r7, 0x0, r6, 0x0, 0x800000000ff, 0x0) ioctl$UFFDIO_ZEROPAGE(r7, 0xc020aa04, &(0x7f0000000340)={{&(0x7f0000f35000/0x1000)=nil, 0x1000}}) program crashed: general protection fault in zap_huge_pmd testing program (duration=45.467947606s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-socket$alg-userfaultfd-ioctl$UFFDIO_API-syz_init_net_socket$nl_rdma-sendmsg$netlink-ioctl$UFFDIO_REGISTER-syz_open_dev$usbfs-ioctl$USBDEVFS_CLEAR_HALT-ioctl$UFFDIO_CONTINUE-socket-sendmsg$nl_xfrm-bind$alg-openat$incfs-ioctl$KVM_GET_MSRS_cpu-accept4-pipe-openat$cgroup_ro-splice detailed listing: executing program 0: mmap(&(0x7f0000000000/0x95c000)=nil, 0x95c000, 0x200000b, 0x8c4b815a5465c2b2, 0xffffffffffffffff, 0x0) r0 = socket$alg(0x26, 0x5, 0x0) r1 = userfaultfd(0x801) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f00000000c0)={0xaa, 0x4}) r2 = syz_init_net_socket$nl_rdma(0x10, 0x3, 0x10) sendmsg$netlink(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000000)=[{&(0x7f00000003c0)={0x18, 0x14, 0x1, 0x0, 0x25dfdbff, "", [@nested={0x7, 0x2, 0x0, 0x1, [@generic="ecc032"]}]}, 0x18}], 0x1, 0x0, 0x0, 0x4000}, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, &(0x7f0000000000)={{&(0x7f0000400000/0xc00000)=nil, 0xc00000}, 0x1}) r3 = syz_open_dev$usbfs(&(0x7f0000000240), 0xb, 0x101301) ioctl$USBDEVFS_CLEAR_HALT(r3, 0x80045515, &(0x7f0000000000)={0x4}) ioctl$UFFDIO_CONTINUE(r1, 0xc020aa08, &(0x7f0000000280)={{&(0x7f0000400000/0xc00000)=nil, 0xc00000}}) r4 = socket(0x10, 0x803, 0x0) sendmsg$nl_xfrm(r4, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000080)=ANY=[@ANYRESHEX=r0, @ANYRESOCT=r2], 0x40}, 0x1, 0x0, 0x0, 0x20008085}, 0x90) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'sha512\x00'}, 0x58) r5 = openat$incfs(0xffffffffffffffff, &(0x7f0000000200)='.pending_reads\x00', 0x2a841, 0x90) ioctl$KVM_GET_MSRS_cpu(r5, 0xc008ae88, &(0x7f0000000400)={0x8, 0x0, [{0x948, 0x0, 0x7fffffffffffffff}, {0xd90, 0x0, 0x9}, {0x482}, {0xbbe, 0x0, 0x4}, {0x9bc, 0x0, 0x440000000000}, {0x2ae, 0x0, 0x10001}, {0x35e, 0x0, 0x2}, {0xa44, 0x0, 0x8}]}) accept4(r0, 0x0, 0x0, 0x80800) pipe(&(0x7f00000001c0)={0xffffffffffffffff, 0xffffffffffffffff}) r7 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='cpuacct.usage_percpu_sys\x00', 0x275a, 0x0) splice(r7, 0x0, r6, 0x0, 0x800000000ff, 0x0) program crashed: general protection fault in zap_huge_pmd testing program (duration=45.467947606s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-socket$alg-userfaultfd-ioctl$UFFDIO_API-syz_init_net_socket$nl_rdma-sendmsg$netlink-ioctl$UFFDIO_REGISTER-syz_open_dev$usbfs-ioctl$USBDEVFS_CLEAR_HALT-ioctl$UFFDIO_CONTINUE-socket-sendmsg$nl_xfrm-bind$alg-openat$incfs-ioctl$KVM_GET_MSRS_cpu-accept4-pipe-openat$cgroup_ro detailed listing: executing program 0: mmap(&(0x7f0000000000/0x95c000)=nil, 0x95c000, 0x200000b, 0x8c4b815a5465c2b2, 0xffffffffffffffff, 0x0) r0 = socket$alg(0x26, 0x5, 0x0) r1 = userfaultfd(0x801) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f00000000c0)={0xaa, 0x4}) r2 = syz_init_net_socket$nl_rdma(0x10, 0x3, 0x10) sendmsg$netlink(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000000)=[{&(0x7f00000003c0)={0x18, 0x14, 0x1, 0x0, 0x25dfdbff, "", [@nested={0x7, 0x2, 0x0, 0x1, [@generic="ecc032"]}]}, 0x18}], 0x1, 0x0, 0x0, 0x4000}, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, &(0x7f0000000000)={{&(0x7f0000400000/0xc00000)=nil, 0xc00000}, 0x1}) r3 = syz_open_dev$usbfs(&(0x7f0000000240), 0xb, 0x101301) ioctl$USBDEVFS_CLEAR_HALT(r3, 0x80045515, &(0x7f0000000000)={0x4}) ioctl$UFFDIO_CONTINUE(r1, 0xc020aa08, &(0x7f0000000280)={{&(0x7f0000400000/0xc00000)=nil, 0xc00000}}) r4 = socket(0x10, 0x803, 0x0) sendmsg$nl_xfrm(r4, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000080)=ANY=[@ANYRESHEX=r0, @ANYRESOCT=r2], 0x40}, 0x1, 0x0, 0x0, 0x20008085}, 0x90) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'sha512\x00'}, 0x58) r5 = openat$incfs(0xffffffffffffffff, &(0x7f0000000200)='.pending_reads\x00', 0x2a841, 0x90) ioctl$KVM_GET_MSRS_cpu(r5, 0xc008ae88, &(0x7f0000000400)={0x8, 0x0, [{0x948, 0x0, 0x7fffffffffffffff}, {0xd90, 0x0, 0x9}, {0x482}, {0xbbe, 0x0, 0x4}, {0x9bc, 0x0, 0x440000000000}, {0x2ae, 0x0, 0x10001}, {0x35e, 0x0, 0x2}, {0xa44, 0x0, 0x8}]}) accept4(r0, 0x0, 0x0, 0x80800) pipe(&(0x7f00000001c0)) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='cpuacct.usage_percpu_sys\x00', 0x275a, 0x0) program crashed: general protection fault in zap_huge_pmd testing program (duration=45.467947606s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-socket$alg-userfaultfd-ioctl$UFFDIO_API-syz_init_net_socket$nl_rdma-sendmsg$netlink-ioctl$UFFDIO_REGISTER-syz_open_dev$usbfs-ioctl$USBDEVFS_CLEAR_HALT-ioctl$UFFDIO_CONTINUE-socket-sendmsg$nl_xfrm-bind$alg-openat$incfs-ioctl$KVM_GET_MSRS_cpu-accept4-pipe detailed listing: executing program 0: mmap(&(0x7f0000000000/0x95c000)=nil, 0x95c000, 0x200000b, 0x8c4b815a5465c2b2, 0xffffffffffffffff, 0x0) r0 = socket$alg(0x26, 0x5, 0x0) r1 = userfaultfd(0x801) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f00000000c0)={0xaa, 0x4}) r2 = syz_init_net_socket$nl_rdma(0x10, 0x3, 0x10) sendmsg$netlink(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000000)=[{&(0x7f00000003c0)={0x18, 0x14, 0x1, 0x0, 0x25dfdbff, "", [@nested={0x7, 0x2, 0x0, 0x1, [@generic="ecc032"]}]}, 0x18}], 0x1, 0x0, 0x0, 0x4000}, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, &(0x7f0000000000)={{&(0x7f0000400000/0xc00000)=nil, 0xc00000}, 0x1}) r3 = syz_open_dev$usbfs(&(0x7f0000000240), 0xb, 0x101301) ioctl$USBDEVFS_CLEAR_HALT(r3, 0x80045515, &(0x7f0000000000)={0x4}) ioctl$UFFDIO_CONTINUE(r1, 0xc020aa08, &(0x7f0000000280)={{&(0x7f0000400000/0xc00000)=nil, 0xc00000}}) r4 = socket(0x10, 0x803, 0x0) sendmsg$nl_xfrm(r4, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000080)=ANY=[@ANYRESHEX=r0, @ANYRESOCT=r2], 0x40}, 0x1, 0x0, 0x0, 0x20008085}, 0x90) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'sha512\x00'}, 0x58) r5 = openat$incfs(0xffffffffffffffff, &(0x7f0000000200)='.pending_reads\x00', 0x2a841, 0x90) ioctl$KVM_GET_MSRS_cpu(r5, 0xc008ae88, &(0x7f0000000400)={0x8, 0x0, [{0x948, 0x0, 0x7fffffffffffffff}, {0xd90, 0x0, 0x9}, {0x482}, {0xbbe, 0x0, 0x4}, {0x9bc, 0x0, 0x440000000000}, {0x2ae, 0x0, 0x10001}, {0x35e, 0x0, 0x2}, {0xa44, 0x0, 0x8}]}) accept4(r0, 0x0, 0x0, 0x80800) pipe(&(0x7f00000001c0)) program crashed: general protection fault in zap_huge_pmd testing program (duration=45.467947606s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-socket$alg-userfaultfd-ioctl$UFFDIO_API-syz_init_net_socket$nl_rdma-sendmsg$netlink-ioctl$UFFDIO_REGISTER-syz_open_dev$usbfs-ioctl$USBDEVFS_CLEAR_HALT-ioctl$UFFDIO_CONTINUE-socket-sendmsg$nl_xfrm-bind$alg-openat$incfs-ioctl$KVM_GET_MSRS_cpu-accept4 detailed listing: executing program 0: mmap(&(0x7f0000000000/0x95c000)=nil, 0x95c000, 0x200000b, 0x8c4b815a5465c2b2, 0xffffffffffffffff, 0x0) r0 = socket$alg(0x26, 0x5, 0x0) r1 = userfaultfd(0x801) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f00000000c0)={0xaa, 0x4}) r2 = syz_init_net_socket$nl_rdma(0x10, 0x3, 0x10) sendmsg$netlink(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000000)=[{&(0x7f00000003c0)={0x18, 0x14, 0x1, 0x0, 0x25dfdbff, "", [@nested={0x7, 0x2, 0x0, 0x1, [@generic="ecc032"]}]}, 0x18}], 0x1, 0x0, 0x0, 0x4000}, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, &(0x7f0000000000)={{&(0x7f0000400000/0xc00000)=nil, 0xc00000}, 0x1}) r3 = syz_open_dev$usbfs(&(0x7f0000000240), 0xb, 0x101301) ioctl$USBDEVFS_CLEAR_HALT(r3, 0x80045515, &(0x7f0000000000)={0x4}) ioctl$UFFDIO_CONTINUE(r1, 0xc020aa08, &(0x7f0000000280)={{&(0x7f0000400000/0xc00000)=nil, 0xc00000}}) r4 = socket(0x10, 0x803, 0x0) sendmsg$nl_xfrm(r4, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000080)=ANY=[@ANYRESHEX=r0, @ANYRESOCT=r2], 0x40}, 0x1, 0x0, 0x0, 0x20008085}, 0x90) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'sha512\x00'}, 0x58) r5 = openat$incfs(0xffffffffffffffff, &(0x7f0000000200)='.pending_reads\x00', 0x2a841, 0x90) ioctl$KVM_GET_MSRS_cpu(r5, 0xc008ae88, &(0x7f0000000400)={0x8, 0x0, [{0x948, 0x0, 0x7fffffffffffffff}, {0xd90, 0x0, 0x9}, {0x482}, {0xbbe, 0x0, 0x4}, {0x9bc, 0x0, 0x440000000000}, {0x2ae, 0x0, 0x10001}, {0x35e, 0x0, 0x2}, {0xa44, 0x0, 0x8}]}) accept4(r0, 0x0, 0x0, 0x80800) program crashed: general protection fault in zap_huge_pmd testing program (duration=45.467947606s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-socket$alg-userfaultfd-ioctl$UFFDIO_API-syz_init_net_socket$nl_rdma-sendmsg$netlink-ioctl$UFFDIO_REGISTER-syz_open_dev$usbfs-ioctl$USBDEVFS_CLEAR_HALT-ioctl$UFFDIO_CONTINUE-socket-sendmsg$nl_xfrm-bind$alg-openat$incfs-ioctl$KVM_GET_MSRS_cpu detailed listing: executing program 0: mmap(&(0x7f0000000000/0x95c000)=nil, 0x95c000, 0x200000b, 0x8c4b815a5465c2b2, 0xffffffffffffffff, 0x0) r0 = socket$alg(0x26, 0x5, 0x0) r1 = userfaultfd(0x801) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f00000000c0)={0xaa, 0x4}) r2 = syz_init_net_socket$nl_rdma(0x10, 0x3, 0x10) sendmsg$netlink(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000000)=[{&(0x7f00000003c0)={0x18, 0x14, 0x1, 0x0, 0x25dfdbff, "", [@nested={0x7, 0x2, 0x0, 0x1, [@generic="ecc032"]}]}, 0x18}], 0x1, 0x0, 0x0, 0x4000}, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, &(0x7f0000000000)={{&(0x7f0000400000/0xc00000)=nil, 0xc00000}, 0x1}) r3 = syz_open_dev$usbfs(&(0x7f0000000240), 0xb, 0x101301) ioctl$USBDEVFS_CLEAR_HALT(r3, 0x80045515, &(0x7f0000000000)={0x4}) ioctl$UFFDIO_CONTINUE(r1, 0xc020aa08, &(0x7f0000000280)={{&(0x7f0000400000/0xc00000)=nil, 0xc00000}}) r4 = socket(0x10, 0x803, 0x0) sendmsg$nl_xfrm(r4, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000080)=ANY=[@ANYRESHEX=r0, @ANYRESOCT=r2], 0x40}, 0x1, 0x0, 0x0, 0x20008085}, 0x90) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'sha512\x00'}, 0x58) r5 = openat$incfs(0xffffffffffffffff, &(0x7f0000000200)='.pending_reads\x00', 0x2a841, 0x90) ioctl$KVM_GET_MSRS_cpu(r5, 0xc008ae88, &(0x7f0000000400)={0x8, 0x0, [{0x948, 0x0, 0x7fffffffffffffff}, {0xd90, 0x0, 0x9}, {0x482}, {0xbbe, 0x0, 0x4}, {0x9bc, 0x0, 0x440000000000}, {0x2ae, 0x0, 0x10001}, {0x35e, 0x0, 0x2}, {0xa44, 0x0, 0x8}]}) program crashed: general protection fault in zap_huge_pmd testing program (duration=45.467947606s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-socket$alg-userfaultfd-ioctl$UFFDIO_API-syz_init_net_socket$nl_rdma-sendmsg$netlink-ioctl$UFFDIO_REGISTER-syz_open_dev$usbfs-ioctl$USBDEVFS_CLEAR_HALT-ioctl$UFFDIO_CONTINUE-socket-sendmsg$nl_xfrm-bind$alg-openat$incfs detailed listing: executing program 0: mmap(&(0x7f0000000000/0x95c000)=nil, 0x95c000, 0x200000b, 0x8c4b815a5465c2b2, 0xffffffffffffffff, 0x0) r0 = socket$alg(0x26, 0x5, 0x0) r1 = userfaultfd(0x801) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f00000000c0)={0xaa, 0x4}) r2 = syz_init_net_socket$nl_rdma(0x10, 0x3, 0x10) sendmsg$netlink(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000000)=[{&(0x7f00000003c0)={0x18, 0x14, 0x1, 0x0, 0x25dfdbff, "", [@nested={0x7, 0x2, 0x0, 0x1, [@generic="ecc032"]}]}, 0x18}], 0x1, 0x0, 0x0, 0x4000}, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, &(0x7f0000000000)={{&(0x7f0000400000/0xc00000)=nil, 0xc00000}, 0x1}) r3 = syz_open_dev$usbfs(&(0x7f0000000240), 0xb, 0x101301) ioctl$USBDEVFS_CLEAR_HALT(r3, 0x80045515, &(0x7f0000000000)={0x4}) ioctl$UFFDIO_CONTINUE(r1, 0xc020aa08, &(0x7f0000000280)={{&(0x7f0000400000/0xc00000)=nil, 0xc00000}}) r4 = socket(0x10, 0x803, 0x0) sendmsg$nl_xfrm(r4, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000080)=ANY=[@ANYRESHEX=r0, @ANYRESOCT=r2], 0x40}, 0x1, 0x0, 0x0, 0x20008085}, 0x90) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'sha512\x00'}, 0x58) openat$incfs(0xffffffffffffffff, &(0x7f0000000200)='.pending_reads\x00', 0x2a841, 0x90) program crashed: general protection fault in zap_huge_pmd testing program (duration=45.467947606s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-socket$alg-userfaultfd-ioctl$UFFDIO_API-syz_init_net_socket$nl_rdma-sendmsg$netlink-ioctl$UFFDIO_REGISTER-syz_open_dev$usbfs-ioctl$USBDEVFS_CLEAR_HALT-ioctl$UFFDIO_CONTINUE-socket-sendmsg$nl_xfrm-bind$alg detailed listing: executing program 0: mmap(&(0x7f0000000000/0x95c000)=nil, 0x95c000, 0x200000b, 0x8c4b815a5465c2b2, 0xffffffffffffffff, 0x0) r0 = socket$alg(0x26, 0x5, 0x0) r1 = userfaultfd(0x801) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f00000000c0)={0xaa, 0x4}) r2 = syz_init_net_socket$nl_rdma(0x10, 0x3, 0x10) sendmsg$netlink(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000000)=[{&(0x7f00000003c0)={0x18, 0x14, 0x1, 0x0, 0x25dfdbff, "", [@nested={0x7, 0x2, 0x0, 0x1, [@generic="ecc032"]}]}, 0x18}], 0x1, 0x0, 0x0, 0x4000}, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, &(0x7f0000000000)={{&(0x7f0000400000/0xc00000)=nil, 0xc00000}, 0x1}) r3 = syz_open_dev$usbfs(&(0x7f0000000240), 0xb, 0x101301) ioctl$USBDEVFS_CLEAR_HALT(r3, 0x80045515, &(0x7f0000000000)={0x4}) ioctl$UFFDIO_CONTINUE(r1, 0xc020aa08, &(0x7f0000000280)={{&(0x7f0000400000/0xc00000)=nil, 0xc00000}}) r4 = socket(0x10, 0x803, 0x0) sendmsg$nl_xfrm(r4, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000080)=ANY=[@ANYRESHEX=r0, @ANYRESOCT=r2], 0x40}, 0x1, 0x0, 0x0, 0x20008085}, 0x90) bind$alg(r0, &(0x7f0000000000)={0x26, 'hash\x00', 0x0, 0x0, 'sha512\x00'}, 0x58) program crashed: general protection fault in zap_huge_pmd testing program (duration=45.467947606s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-socket$alg-userfaultfd-ioctl$UFFDIO_API-syz_init_net_socket$nl_rdma-sendmsg$netlink-ioctl$UFFDIO_REGISTER-syz_open_dev$usbfs-ioctl$USBDEVFS_CLEAR_HALT-ioctl$UFFDIO_CONTINUE-socket-sendmsg$nl_xfrm detailed listing: executing program 0: mmap(&(0x7f0000000000/0x95c000)=nil, 0x95c000, 0x200000b, 0x8c4b815a5465c2b2, 0xffffffffffffffff, 0x0) r0 = socket$alg(0x26, 0x5, 0x0) r1 = userfaultfd(0x801) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f00000000c0)={0xaa, 0x4}) r2 = syz_init_net_socket$nl_rdma(0x10, 0x3, 0x10) sendmsg$netlink(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000000)=[{&(0x7f00000003c0)={0x18, 0x14, 0x1, 0x0, 0x25dfdbff, "", [@nested={0x7, 0x2, 0x0, 0x1, [@generic="ecc032"]}]}, 0x18}], 0x1, 0x0, 0x0, 0x4000}, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, &(0x7f0000000000)={{&(0x7f0000400000/0xc00000)=nil, 0xc00000}, 0x1}) r3 = syz_open_dev$usbfs(&(0x7f0000000240), 0xb, 0x101301) ioctl$USBDEVFS_CLEAR_HALT(r3, 0x80045515, &(0x7f0000000000)={0x4}) ioctl$UFFDIO_CONTINUE(r1, 0xc020aa08, &(0x7f0000000280)={{&(0x7f0000400000/0xc00000)=nil, 0xc00000}}) r4 = socket(0x10, 0x803, 0x0) sendmsg$nl_xfrm(r4, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000080)=ANY=[@ANYRESHEX=r0, @ANYRESOCT=r2], 0x40}, 0x1, 0x0, 0x0, 0x20008085}, 0x90) program crashed: general protection fault in zap_huge_pmd testing program (duration=45.467947606s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-socket$alg-userfaultfd-ioctl$UFFDIO_API-syz_init_net_socket$nl_rdma-sendmsg$netlink-ioctl$UFFDIO_REGISTER-syz_open_dev$usbfs-ioctl$USBDEVFS_CLEAR_HALT-ioctl$UFFDIO_CONTINUE-socket detailed listing: executing program 0: mmap(&(0x7f0000000000/0x95c000)=nil, 0x95c000, 0x200000b, 0x8c4b815a5465c2b2, 0xffffffffffffffff, 0x0) socket$alg(0x26, 0x5, 0x0) r0 = userfaultfd(0x801) ioctl$UFFDIO_API(r0, 0xc018aa3f, &(0x7f00000000c0)={0xaa, 0x4}) r1 = syz_init_net_socket$nl_rdma(0x10, 0x3, 0x10) sendmsg$netlink(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000000)=[{&(0x7f00000003c0)={0x18, 0x14, 0x1, 0x0, 0x25dfdbff, "", [@nested={0x7, 0x2, 0x0, 0x1, [@generic="ecc032"]}]}, 0x18}], 0x1, 0x0, 0x0, 0x4000}, 0x0) ioctl$UFFDIO_REGISTER(r0, 0xc020aa00, &(0x7f0000000000)={{&(0x7f0000400000/0xc00000)=nil, 0xc00000}, 0x1}) r2 = syz_open_dev$usbfs(&(0x7f0000000240), 0xb, 0x101301) ioctl$USBDEVFS_CLEAR_HALT(r2, 0x80045515, &(0x7f0000000000)={0x4}) ioctl$UFFDIO_CONTINUE(r0, 0xc020aa08, &(0x7f0000000280)={{&(0x7f0000400000/0xc00000)=nil, 0xc00000}}) socket(0x10, 0x803, 0x0) program crashed: general protection fault in zap_huge_pmd testing program (duration=45.467947606s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-socket$alg-userfaultfd-ioctl$UFFDIO_API-syz_init_net_socket$nl_rdma-sendmsg$netlink-ioctl$UFFDIO_REGISTER-syz_open_dev$usbfs-ioctl$USBDEVFS_CLEAR_HALT-ioctl$UFFDIO_CONTINUE detailed listing: executing program 0: mmap(&(0x7f0000000000/0x95c000)=nil, 0x95c000, 0x200000b, 0x8c4b815a5465c2b2, 0xffffffffffffffff, 0x0) socket$alg(0x26, 0x5, 0x0) r0 = userfaultfd(0x801) ioctl$UFFDIO_API(r0, 0xc018aa3f, &(0x7f00000000c0)={0xaa, 0x4}) r1 = syz_init_net_socket$nl_rdma(0x10, 0x3, 0x10) sendmsg$netlink(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000000)=[{&(0x7f00000003c0)={0x18, 0x14, 0x1, 0x0, 0x25dfdbff, "", [@nested={0x7, 0x2, 0x0, 0x1, [@generic="ecc032"]}]}, 0x18}], 0x1, 0x0, 0x0, 0x4000}, 0x0) ioctl$UFFDIO_REGISTER(r0, 0xc020aa00, &(0x7f0000000000)={{&(0x7f0000400000/0xc00000)=nil, 0xc00000}, 0x1}) r2 = syz_open_dev$usbfs(&(0x7f0000000240), 0xb, 0x101301) ioctl$USBDEVFS_CLEAR_HALT(r2, 0x80045515, &(0x7f0000000000)={0x4}) ioctl$UFFDIO_CONTINUE(r0, 0xc020aa08, &(0x7f0000000280)={{&(0x7f0000400000/0xc00000)=nil, 0xc00000}}) program crashed: general protection fault in zap_huge_pmd testing program (duration=45.467947606s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-socket$alg-userfaultfd-ioctl$UFFDIO_API-syz_init_net_socket$nl_rdma-sendmsg$netlink-ioctl$UFFDIO_REGISTER-syz_open_dev$usbfs-ioctl$USBDEVFS_CLEAR_HALT detailed listing: executing program 0: mmap(&(0x7f0000000000/0x95c000)=nil, 0x95c000, 0x200000b, 0x8c4b815a5465c2b2, 0xffffffffffffffff, 0x0) socket$alg(0x26, 0x5, 0x0) r0 = userfaultfd(0x801) ioctl$UFFDIO_API(r0, 0xc018aa3f, &(0x7f00000000c0)={0xaa, 0x4}) r1 = syz_init_net_socket$nl_rdma(0x10, 0x3, 0x10) sendmsg$netlink(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000000)=[{&(0x7f00000003c0)={0x18, 0x14, 0x1, 0x0, 0x25dfdbff, "", [@nested={0x7, 0x2, 0x0, 0x1, [@generic="ecc032"]}]}, 0x18}], 0x1, 0x0, 0x0, 0x4000}, 0x0) ioctl$UFFDIO_REGISTER(r0, 0xc020aa00, &(0x7f0000000000)={{&(0x7f0000400000/0xc00000)=nil, 0xc00000}, 0x1}) r2 = syz_open_dev$usbfs(&(0x7f0000000240), 0xb, 0x101301) ioctl$USBDEVFS_CLEAR_HALT(r2, 0x80045515, &(0x7f0000000000)={0x4}) program did not crash testing program (duration=45.467947606s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-socket$alg-userfaultfd-ioctl$UFFDIO_API-syz_init_net_socket$nl_rdma-sendmsg$netlink-ioctl$UFFDIO_REGISTER-syz_open_dev$usbfs-ioctl$UFFDIO_CONTINUE detailed listing: executing program 0: mmap(&(0x7f0000000000/0x95c000)=nil, 0x95c000, 0x200000b, 0x8c4b815a5465c2b2, 0xffffffffffffffff, 0x0) socket$alg(0x26, 0x5, 0x0) r0 = userfaultfd(0x801) ioctl$UFFDIO_API(r0, 0xc018aa3f, &(0x7f00000000c0)={0xaa, 0x4}) r1 = syz_init_net_socket$nl_rdma(0x10, 0x3, 0x10) sendmsg$netlink(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000000)=[{&(0x7f00000003c0)={0x18, 0x14, 0x1, 0x0, 0x25dfdbff, "", [@nested={0x7, 0x2, 0x0, 0x1, [@generic="ecc032"]}]}, 0x18}], 0x1, 0x0, 0x0, 0x4000}, 0x0) ioctl$UFFDIO_REGISTER(r0, 0xc020aa00, &(0x7f0000000000)={{&(0x7f0000400000/0xc00000)=nil, 0xc00000}, 0x1}) syz_open_dev$usbfs(&(0x7f0000000240), 0xb, 0x101301) ioctl$UFFDIO_CONTINUE(r0, 0xc020aa08, &(0x7f0000000280)={{&(0x7f0000400000/0xc00000)=nil, 0xc00000}}) program crashed: general protection fault in zap_huge_pmd testing program (duration=45.467947606s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-socket$alg-userfaultfd-ioctl$UFFDIO_API-syz_init_net_socket$nl_rdma-sendmsg$netlink-ioctl$UFFDIO_REGISTER-ioctl$UFFDIO_CONTINUE detailed listing: executing program 0: mmap(&(0x7f0000000000/0x95c000)=nil, 0x95c000, 0x200000b, 0x8c4b815a5465c2b2, 0xffffffffffffffff, 0x0) socket$alg(0x26, 0x5, 0x0) r0 = userfaultfd(0x801) ioctl$UFFDIO_API(r0, 0xc018aa3f, &(0x7f00000000c0)={0xaa, 0x4}) r1 = syz_init_net_socket$nl_rdma(0x10, 0x3, 0x10) sendmsg$netlink(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000000)=[{&(0x7f00000003c0)={0x18, 0x14, 0x1, 0x0, 0x25dfdbff, "", [@nested={0x7, 0x2, 0x0, 0x1, [@generic="ecc032"]}]}, 0x18}], 0x1, 0x0, 0x0, 0x4000}, 0x0) ioctl$UFFDIO_REGISTER(r0, 0xc020aa00, &(0x7f0000000000)={{&(0x7f0000400000/0xc00000)=nil, 0xc00000}, 0x1}) ioctl$UFFDIO_CONTINUE(r0, 0xc020aa08, &(0x7f0000000280)={{&(0x7f0000400000/0xc00000)=nil, 0xc00000}}) program crashed: general protection fault in zap_huge_pmd testing program (duration=45.467947606s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-socket$alg-userfaultfd-ioctl$UFFDIO_API-syz_init_net_socket$nl_rdma-sendmsg$netlink-ioctl$UFFDIO_CONTINUE detailed listing: executing program 0: mmap(&(0x7f0000000000/0x95c000)=nil, 0x95c000, 0x200000b, 0x8c4b815a5465c2b2, 0xffffffffffffffff, 0x0) socket$alg(0x26, 0x5, 0x0) r0 = userfaultfd(0x801) ioctl$UFFDIO_API(r0, 0xc018aa3f, &(0x7f00000000c0)={0xaa, 0x4}) r1 = syz_init_net_socket$nl_rdma(0x10, 0x3, 0x10) sendmsg$netlink(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000000)=[{&(0x7f00000003c0)={0x18, 0x14, 0x1, 0x0, 0x25dfdbff, "", [@nested={0x7, 0x2, 0x0, 0x1, [@generic="ecc032"]}]}, 0x18}], 0x1, 0x0, 0x0, 0x4000}, 0x0) ioctl$UFFDIO_CONTINUE(r0, 0xc020aa08, &(0x7f0000000280)={{&(0x7f0000400000/0xc00000)=nil, 0xc00000}}) program did not crash testing program (duration=45.467947606s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-socket$alg-userfaultfd-ioctl$UFFDIO_API-syz_init_net_socket$nl_rdma-ioctl$UFFDIO_REGISTER-ioctl$UFFDIO_CONTINUE detailed listing: executing program 0: mmap(&(0x7f0000000000/0x95c000)=nil, 0x95c000, 0x200000b, 0x8c4b815a5465c2b2, 0xffffffffffffffff, 0x0) socket$alg(0x26, 0x5, 0x0) r0 = userfaultfd(0x801) ioctl$UFFDIO_API(r0, 0xc018aa3f, &(0x7f00000000c0)={0xaa, 0x4}) syz_init_net_socket$nl_rdma(0x10, 0x3, 0x10) ioctl$UFFDIO_REGISTER(r0, 0xc020aa00, &(0x7f0000000000)={{&(0x7f0000400000/0xc00000)=nil, 0xc00000}, 0x1}) ioctl$UFFDIO_CONTINUE(r0, 0xc020aa08, &(0x7f0000000280)={{&(0x7f0000400000/0xc00000)=nil, 0xc00000}}) program crashed: general protection fault in zap_huge_pmd testing program (duration=45.467947606s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-socket$alg-userfaultfd-ioctl$UFFDIO_API-ioctl$UFFDIO_REGISTER-ioctl$UFFDIO_CONTINUE detailed listing: executing program 0: mmap(&(0x7f0000000000/0x95c000)=nil, 0x95c000, 0x200000b, 0x8c4b815a5465c2b2, 0xffffffffffffffff, 0x0) socket$alg(0x26, 0x5, 0x0) r0 = userfaultfd(0x801) ioctl$UFFDIO_API(r0, 0xc018aa3f, &(0x7f00000000c0)={0xaa, 0x4}) ioctl$UFFDIO_REGISTER(r0, 0xc020aa00, &(0x7f0000000000)={{&(0x7f0000400000/0xc00000)=nil, 0xc00000}, 0x1}) ioctl$UFFDIO_CONTINUE(r0, 0xc020aa08, &(0x7f0000000280)={{&(0x7f0000400000/0xc00000)=nil, 0xc00000}}) program crashed: general protection fault in zap_huge_pmd testing program (duration=45.467947606s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-socket$alg-userfaultfd-ioctl$UFFDIO_REGISTER-ioctl$UFFDIO_CONTINUE detailed listing: executing program 0: mmap(&(0x7f0000000000/0x95c000)=nil, 0x95c000, 0x200000b, 0x8c4b815a5465c2b2, 0xffffffffffffffff, 0x0) socket$alg(0x26, 0x5, 0x0) r0 = userfaultfd(0x801) ioctl$UFFDIO_REGISTER(r0, 0xc020aa00, &(0x7f0000000000)={{&(0x7f0000400000/0xc00000)=nil, 0xc00000}, 0x1}) ioctl$UFFDIO_CONTINUE(r0, 0xc020aa08, &(0x7f0000000280)={{&(0x7f0000400000/0xc00000)=nil, 0xc00000}}) program did not crash testing program (duration=45.467947606s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-socket$alg-ioctl$UFFDIO_API-ioctl$UFFDIO_REGISTER-ioctl$UFFDIO_CONTINUE detailed listing: executing program 0: mmap(&(0x7f0000000000/0x95c000)=nil, 0x95c000, 0x200000b, 0x8c4b815a5465c2b2, 0xffffffffffffffff, 0x0) socket$alg(0x26, 0x5, 0x0) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f00000000c0)={0xaa, 0x4}) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, &(0x7f0000000000)={{&(0x7f0000400000/0xc00000)=nil, 0xc00000}, 0x1}) ioctl$UFFDIO_CONTINUE(0xffffffffffffffff, 0xc020aa08, &(0x7f0000000280)={{&(0x7f0000400000/0xc00000)=nil, 0xc00000}}) program did not crash testing program (duration=45.467947606s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-userfaultfd-ioctl$UFFDIO_API-ioctl$UFFDIO_REGISTER-ioctl$UFFDIO_CONTINUE detailed listing: executing program 0: mmap(&(0x7f0000000000/0x95c000)=nil, 0x95c000, 0x200000b, 0x8c4b815a5465c2b2, 0xffffffffffffffff, 0x0) r0 = userfaultfd(0x801) ioctl$UFFDIO_API(r0, 0xc018aa3f, &(0x7f00000000c0)={0xaa, 0x4}) ioctl$UFFDIO_REGISTER(r0, 0xc020aa00, &(0x7f0000000000)={{&(0x7f0000400000/0xc00000)=nil, 0xc00000}, 0x1}) ioctl$UFFDIO_CONTINUE(r0, 0xc020aa08, &(0x7f0000000280)={{&(0x7f0000400000/0xc00000)=nil, 0xc00000}}) program crashed: general protection fault in zap_huge_pmd testing program (duration=45.467947606s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): userfaultfd-ioctl$UFFDIO_API-ioctl$UFFDIO_REGISTER-ioctl$UFFDIO_CONTINUE detailed listing: executing program 0: r0 = userfaultfd(0x801) ioctl$UFFDIO_API(r0, 0xc018aa3f, &(0x7f00000000c0)={0xaa, 0x4}) ioctl$UFFDIO_REGISTER(r0, 0xc020aa00, &(0x7f0000000000)={{&(0x7f0000400000/0xc00000)=nil, 0xc00000}, 0x1}) ioctl$UFFDIO_CONTINUE(r0, 0xc020aa08, &(0x7f0000000280)={{&(0x7f0000400000/0xc00000)=nil, 0xc00000}}) program did not crash testing program (duration=45.467947606s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-userfaultfd-ioctl$UFFDIO_API-ioctl$UFFDIO_REGISTER-ioctl$UFFDIO_CONTINUE detailed listing: executing program 0: mmap(&(0x7f0000000000/0x95c000)=nil, 0x95c000, 0x200000b, 0x8c4b815a5465c2b2, 0xffffffffffffffff, 0x0) r0 = userfaultfd(0x801) ioctl$UFFDIO_API(r0, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(r0, 0xc020aa00, &(0x7f0000000000)={{&(0x7f0000400000/0xc00000)=nil, 0xc00000}, 0x1}) ioctl$UFFDIO_CONTINUE(r0, 0xc020aa08, &(0x7f0000000280)={{&(0x7f0000400000/0xc00000)=nil, 0xc00000}}) program did not crash testing program (duration=45.467947606s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-userfaultfd-ioctl$UFFDIO_API-ioctl$UFFDIO_REGISTER-ioctl$UFFDIO_CONTINUE detailed listing: executing program 0: mmap(&(0x7f0000000000/0x95c000)=nil, 0x95c000, 0x200000b, 0x8c4b815a5465c2b2, 0xffffffffffffffff, 0x0) r0 = userfaultfd(0x801) ioctl$UFFDIO_API(r0, 0xc018aa3f, &(0x7f00000000c0)={0xaa, 0x4}) ioctl$UFFDIO_REGISTER(r0, 0xc020aa00, 0x0) ioctl$UFFDIO_CONTINUE(r0, 0xc020aa08, &(0x7f0000000280)={{&(0x7f0000400000/0xc00000)=nil, 0xc00000}}) program did not crash testing program (duration=45.467947606s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-userfaultfd-ioctl$UFFDIO_API-ioctl$UFFDIO_REGISTER-ioctl$UFFDIO_CONTINUE detailed listing: executing program 0: mmap(&(0x7f0000000000/0x95c000)=nil, 0x95c000, 0x200000b, 0x8c4b815a5465c2b2, 0xffffffffffffffff, 0x0) r0 = userfaultfd(0x801) ioctl$UFFDIO_API(r0, 0xc018aa3f, &(0x7f00000000c0)={0xaa, 0x4}) ioctl$UFFDIO_REGISTER(r0, 0xc020aa00, &(0x7f0000000000)={{&(0x7f0000400000/0xc00000)=nil, 0xc00000}, 0x1}) ioctl$UFFDIO_CONTINUE(r0, 0xc020aa08, 0x0) program did not crash extracting C reproducer testing compiled C program (duration=45.467947606s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-userfaultfd-ioctl$UFFDIO_API-ioctl$UFFDIO_REGISTER-ioctl$UFFDIO_CONTINUE program crashed: general protection fault in zap_huge_pmd simplifying C reproducer testing compiled C program (duration=45.467947606s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-userfaultfd-ioctl$UFFDIO_API-ioctl$UFFDIO_REGISTER-ioctl$UFFDIO_CONTINUE program crashed: general protection fault in zap_huge_pmd testing compiled C program (duration=45.467947606s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-userfaultfd-ioctl$UFFDIO_API-ioctl$UFFDIO_REGISTER-ioctl$UFFDIO_CONTINUE program crashed: general protection fault in zap_huge_pmd testing compiled C program (duration=45.467947606s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-userfaultfd-ioctl$UFFDIO_API-ioctl$UFFDIO_REGISTER-ioctl$UFFDIO_CONTINUE program crashed: general protection fault in zap_huge_pmd testing compiled C program (duration=45.467947606s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-userfaultfd-ioctl$UFFDIO_API-ioctl$UFFDIO_REGISTER-ioctl$UFFDIO_CONTINUE program crashed: general protection fault in zap_huge_pmd testing compiled C program (duration=45.467947606s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-userfaultfd-ioctl$UFFDIO_API-ioctl$UFFDIO_REGISTER-ioctl$UFFDIO_CONTINUE program crashed: general protection fault in zap_huge_pmd testing compiled C program (duration=45.467947606s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-userfaultfd-ioctl$UFFDIO_API-ioctl$UFFDIO_REGISTER-ioctl$UFFDIO_CONTINUE program crashed: general protection fault in zap_huge_pmd testing compiled C program (duration=45.467947606s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-userfaultfd-ioctl$UFFDIO_API-ioctl$UFFDIO_REGISTER-ioctl$UFFDIO_CONTINUE program crashed: general protection fault in zap_huge_pmd testing program (duration=45.467947606s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-userfaultfd-ioctl$UFFDIO_API-ioctl$UFFDIO_REGISTER-ioctl$UFFDIO_CONTINUE detailed listing: executing program 0: mmap(&(0x7f0000000000/0x95c000)=nil, 0x95c000, 0x200000b, 0x8c4b815a5465c2b2, 0xffffffffffffffff, 0x0) r0 = userfaultfd(0x801) ioctl$UFFDIO_API(r0, 0xc018aa3f, &(0x7f00000000c0)={0xaa, 0x4}) ioctl$UFFDIO_REGISTER(r0, 0xc020aa00, &(0x7f0000000000)={{&(0x7f0000400000/0xc00000)=nil, 0xc00000}, 0x1}) ioctl$UFFDIO_CONTINUE(r0, 0xc020aa08, &(0x7f0000000280)={{&(0x7f0000400000/0xc00000)=nil, 0xc00000}}) program crashed: general protection fault in zap_huge_pmd validation run: crashed=true testing program (duration=45.467947606s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-userfaultfd-ioctl$UFFDIO_API-ioctl$UFFDIO_REGISTER-ioctl$UFFDIO_CONTINUE detailed listing: executing program 0: mmap(&(0x7f0000000000/0x95c000)=nil, 0x95c000, 0x200000b, 0x8c4b815a5465c2b2, 0xffffffffffffffff, 0x0) r0 = userfaultfd(0x801) ioctl$UFFDIO_API(r0, 0xc018aa3f, &(0x7f00000000c0)={0xaa, 0x4}) ioctl$UFFDIO_REGISTER(r0, 0xc020aa00, &(0x7f0000000000)={{&(0x7f0000400000/0xc00000)=nil, 0xc00000}, 0x1}) ioctl$UFFDIO_CONTINUE(r0, 0xc020aa08, &(0x7f0000000280)={{&(0x7f0000400000/0xc00000)=nil, 0xc00000}}) program crashed: general protection fault in zap_huge_pmd validation run: crashed=true testing program (duration=45.467947606s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-userfaultfd-ioctl$UFFDIO_API-ioctl$UFFDIO_REGISTER-ioctl$UFFDIO_CONTINUE detailed listing: executing program 0: mmap(&(0x7f0000000000/0x95c000)=nil, 0x95c000, 0x200000b, 0x8c4b815a5465c2b2, 0xffffffffffffffff, 0x0) r0 = userfaultfd(0x801) ioctl$UFFDIO_API(r0, 0xc018aa3f, &(0x7f00000000c0)={0xaa, 0x4}) ioctl$UFFDIO_REGISTER(r0, 0xc020aa00, &(0x7f0000000000)={{&(0x7f0000400000/0xc00000)=nil, 0xc00000}, 0x1}) ioctl$UFFDIO_CONTINUE(r0, 0xc020aa08, &(0x7f0000000280)={{&(0x7f0000400000/0xc00000)=nil, 0xc00000}}) program crashed: general protection fault in zap_huge_pmd validation run: crashed=true reproducing took 1h13m19.580052154s repro crashed as (corrupted=false): Oops: general protection fault, probably for non-canonical address 0xdffffc0000000003: 0000 [#1] SMP KASAN PTI KASAN: null-ptr-deref in range [0x0000000000000018-0x000000000000001f] CPU: 1 UID: 0 PID: 5994 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 RIP: 0010:folio_test_anon include/linux/page-flags.h:718 [inline] RIP: 0010:zap_huge_pmd+0x7b1/0x1030 mm/huge_memory.c:2463 Code: 08 00 00 e8 11 e0 92 ff 48 c7 44 24 10 00 00 00 00 4c 8b 3c 24 4c 8d 75 18 4c 89 f0 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df <80> 3c 08 00 74 08 4c 89 f7 e8 f1 43 fc ff 49 8b 1e 48 89 de 48 83 RSP: 0018:ffffc90003bb7550 EFLAGS: 00010206 RAX: 0000000000000003 RBX: f000000000000000 RCX: dffffc0000000000 RDX: 0000000000000000 RSI: 0000000000000006 RDI: 0000000000000003 RBP: 0000000000000000 R08: ffff88807cc9802f R09: 1ffff1100f993005 R10: dffffc0000000000 R11: ffffed100f993006 R12: ffff88807cc98028 R13: fffffffffffffa00 R14: 0000000000000018 R15: ffffc90003bb7ac0 FS: 0000000000000000(0000) GS:ffff888124ee0000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00002000000000c0 CR3: 000000000e94a000 CR4: 00000000003526f0 Call Trace: zap_pmd_range mm/memory.c:1990 [inline] zap_pud_range mm/memory.c:2032 [inline] zap_p4d_range mm/memory.c:2053 [inline] __zap_vma_range+0xa82/0x4bd0 mm/memory.c:2093 unmap_vmas+0x379/0x530 mm/memory.c:2162 exit_mmap+0x280/0xa10 mm/mmap.c:1302 __mmput+0x118/0x430 kernel/fork.c:1180 exit_mm+0x18e/0x250 kernel/exit.c:581 do_exit+0x8b9/0x2490 kernel/exit.c:962 do_group_exit+0x21b/0x2d0 kernel/exit.c:1116 __do_sys_exit_group kernel/exit.c:1127 [inline] __se_sys_exit_group kernel/exit.c:1125 [inline] __x64_sys_exit_group+0x3f/0x40 kernel/exit.c:1125 x64_sys_call+0x221a/0x2240 arch/x86/include/generated/asm/syscalls_64.h:232 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x14d/0xf80 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fdd0b39c799 Code: Unable to access opcode bytes at 0x7fdd0b39c76f. RSP: 002b:00007fff630f1d78 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fdd0b39c799 RDX: 0000000000000064 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000003 R08: 0000000000000000 R09: 00007fdd0b5e63e0 R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fdd0b5e63e0 R14: 0000000000000003 R15: 00007fff630f1e30 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:folio_test_anon include/linux/page-flags.h:718 [inline] RIP: 0010:zap_huge_pmd+0x7b1/0x1030 mm/huge_memory.c:2463 Code: 08 00 00 e8 11 e0 92 ff 48 c7 44 24 10 00 00 00 00 4c 8b 3c 24 4c 8d 75 18 4c 89 f0 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df <80> 3c 08 00 74 08 4c 89 f7 e8 f1 43 fc ff 49 8b 1e 48 89 de 48 83 RSP: 0018:ffffc90003bb7550 EFLAGS: 00010206 RAX: 0000000000000003 RBX: f000000000000000 RCX: dffffc0000000000 RDX: 0000000000000000 RSI: 0000000000000006 RDI: 0000000000000003 RBP: 0000000000000000 R08: ffff88807cc9802f R09: 1ffff1100f993005 R10: dffffc0000000000 R11: ffffed100f993006 R12: ffff88807cc98028 R13: fffffffffffffa00 R14: 0000000000000018 R15: ffffc90003bb7ac0 FS: 0000000000000000(0000) GS:ffff888124ee0000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00002000000000c0 CR3: 000000000e94a000 CR4: 00000000003526f0 ---------------- Code disassembly (best guess): 0: 08 00 or %al,(%rax) 2: 00 e8 add %ch,%al 4: 11 e0 adc %esp,%eax 6: 92 xchg %eax,%edx 7: ff 48 c7 decl -0x39(%rax) a: 44 24 10 rex.R and $0x10,%al d: 00 00 add %al,(%rax) f: 00 00 add %al,(%rax) 11: 4c 8b 3c 24 mov (%rsp),%r15 15: 4c 8d 75 18 lea 0x18(%rbp),%r14 19: 4c 89 f0 mov %r14,%rax 1c: 48 c1 e8 03 shr $0x3,%rax 20: 48 b9 00 00 00 00 00 movabs $0xdffffc0000000000,%rcx 27: fc ff df * 2a: 80 3c 08 00 cmpb $0x0,(%rax,%rcx,1) <-- trapping instruction 2e: 74 08 je 0x38 30: 4c 89 f7 mov %r14,%rdi 33: e8 f1 43 fc ff call 0xfffc4429 38: 49 8b 1e mov (%r14),%rbx 3b: 48 89 de mov %rbx,%rsi 3e: 48 rex.W 3f: 83 .byte 0x83 final repro crashed as (corrupted=false): Oops: general protection fault, probably for non-canonical address 0xdffffc0000000003: 0000 [#1] SMP KASAN PTI KASAN: null-ptr-deref in range [0x0000000000000018-0x000000000000001f] CPU: 1 UID: 0 PID: 5994 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 RIP: 0010:folio_test_anon include/linux/page-flags.h:718 [inline] RIP: 0010:zap_huge_pmd+0x7b1/0x1030 mm/huge_memory.c:2463 Code: 08 00 00 e8 11 e0 92 ff 48 c7 44 24 10 00 00 00 00 4c 8b 3c 24 4c 8d 75 18 4c 89 f0 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df <80> 3c 08 00 74 08 4c 89 f7 e8 f1 43 fc ff 49 8b 1e 48 89 de 48 83 RSP: 0018:ffffc90003bb7550 EFLAGS: 00010206 RAX: 0000000000000003 RBX: f000000000000000 RCX: dffffc0000000000 RDX: 0000000000000000 RSI: 0000000000000006 RDI: 0000000000000003 RBP: 0000000000000000 R08: ffff88807cc9802f R09: 1ffff1100f993005 R10: dffffc0000000000 R11: ffffed100f993006 R12: ffff88807cc98028 R13: fffffffffffffa00 R14: 0000000000000018 R15: ffffc90003bb7ac0 FS: 0000000000000000(0000) GS:ffff888124ee0000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00002000000000c0 CR3: 000000000e94a000 CR4: 00000000003526f0 Call Trace: zap_pmd_range mm/memory.c:1990 [inline] zap_pud_range mm/memory.c:2032 [inline] zap_p4d_range mm/memory.c:2053 [inline] __zap_vma_range+0xa82/0x4bd0 mm/memory.c:2093 unmap_vmas+0x379/0x530 mm/memory.c:2162 exit_mmap+0x280/0xa10 mm/mmap.c:1302 __mmput+0x118/0x430 kernel/fork.c:1180 exit_mm+0x18e/0x250 kernel/exit.c:581 do_exit+0x8b9/0x2490 kernel/exit.c:962 do_group_exit+0x21b/0x2d0 kernel/exit.c:1116 __do_sys_exit_group kernel/exit.c:1127 [inline] __se_sys_exit_group kernel/exit.c:1125 [inline] __x64_sys_exit_group+0x3f/0x40 kernel/exit.c:1125 x64_sys_call+0x221a/0x2240 arch/x86/include/generated/asm/syscalls_64.h:232 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x14d/0xf80 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fdd0b39c799 Code: Unable to access opcode bytes at 0x7fdd0b39c76f. RSP: 002b:00007fff630f1d78 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fdd0b39c799 RDX: 0000000000000064 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000003 R08: 0000000000000000 R09: 00007fdd0b5e63e0 R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fdd0b5e63e0 R14: 0000000000000003 R15: 00007fff630f1e30 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:folio_test_anon include/linux/page-flags.h:718 [inline] RIP: 0010:zap_huge_pmd+0x7b1/0x1030 mm/huge_memory.c:2463 Code: 08 00 00 e8 11 e0 92 ff 48 c7 44 24 10 00 00 00 00 4c 8b 3c 24 4c 8d 75 18 4c 89 f0 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df <80> 3c 08 00 74 08 4c 89 f7 e8 f1 43 fc ff 49 8b 1e 48 89 de 48 83 RSP: 0018:ffffc90003bb7550 EFLAGS: 00010206 RAX: 0000000000000003 RBX: f000000000000000 RCX: dffffc0000000000 RDX: 0000000000000000 RSI: 0000000000000006 RDI: 0000000000000003 RBP: 0000000000000000 R08: ffff88807cc9802f R09: 1ffff1100f993005 R10: dffffc0000000000 R11: ffffed100f993006 R12: ffff88807cc98028 R13: fffffffffffffa00 R14: 0000000000000018 R15: ffffc90003bb7ac0 FS: 0000000000000000(0000) GS:ffff888124ee0000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00002000000000c0 CR3: 000000000e94a000 CR4: 00000000003526f0 ---------------- Code disassembly (best guess): 0: 08 00 or %al,(%rax) 2: 00 e8 add %ch,%al 4: 11 e0 adc %esp,%eax 6: 92 xchg %eax,%edx 7: ff 48 c7 decl -0x39(%rax) a: 44 24 10 rex.R and $0x10,%al d: 00 00 add %al,(%rax) f: 00 00 add %al,(%rax) 11: 4c 8b 3c 24 mov (%rsp),%r15 15: 4c 8d 75 18 lea 0x18(%rbp),%r14 19: 4c 89 f0 mov %r14,%rax 1c: 48 c1 e8 03 shr $0x3,%rax 20: 48 b9 00 00 00 00 00 movabs $0xdffffc0000000000,%rcx 27: fc ff df * 2a: 80 3c 08 00 cmpb $0x0,(%rax,%rcx,1) <-- trapping instruction 2e: 74 08 je 0x38 30: 4c 89 f7 mov %r14,%rdi 33: e8 f1 43 fc ff call 0xfffc4429 38: 49 8b 1e mov (%r14),%rbx 3b: 48 89 de mov %rbx,%rsi 3e: 48 rex.W 3f: 83 .byte 0x83