Extracting prog: 1m44.641377278s Minimizing prog: 25m59.728996375s Simplifying prog options: 0s Extracting C: 39.747819207s Simplifying C: 5m24.39343803s extracting reproducer from 1 programs testing a last program of every proc single: executing 1 programs separately with timeout 30s testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sendmsg$inet-socket$inet_tcp-socketpair$unix-sendmsg$inet-socket$inet_tcp-socket$inet6_tcp-recvmsg$unix-mmap$IORING_OFF_SQ_RING-socketpair$unix-syz_ublk_add_dev-mkdirat-mount-openat-write detailed listing: executing program 0: sendmsg$inet(0xffffffffffffffff, &(0x7f0000001b00)={0x0, 0x0, 0x0, 0x0, &(0x7f0000001d80)=ANY=[@ANYBLOB="28010000000000000100000001"], 0x128}, 0x4004000) socket$inet_tcp(0x2, 0x1, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) sendmsg$inet(r1, &(0x7f0000001b00)={0x0, 0x0, 0x0, 0x0, &(0x7f0000001d80)=ANY=[], 0x128}, 0x0) socket$inet_tcp(0x2, 0x1, 0x0) socket$inet6_tcp(0xa, 0x1, 0x0) recvmsg$unix(r0, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, &(0x7f0000000340)=[@cred={{0x1c}}, @rights={{0x10}}, @rights={{0x1c, 0x1, 0x1, [0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff]}}, @rights={{0x10}}, @rights={{0x10}}, @cred={{0x1c}}, @rights={{0x14, 0x1, 0x1, [0xffffffffffffffff]}}], 0xa8}, 0x80) mmap$IORING_OFF_SQ_RING(0x0, 0xc00000, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x0, 0x0, 0x0) syz_ublk_add_dev(0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, &(0x7f0000000300)) mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./debug\x00', 0x1ff) mount(0x0, &(0x7f0000000200)='./debug\x00', &(0x7f0000000300)='debugfs\x00', 0x0, 0x0) r2 = openat(0xffffffffffffff9c, &(0x7f0000000400)='./debug/split_huge_pages\x00', 0x1, 0x0) write(r2, 0x0, 0x2f) program crashed: general protection fault in vsscanf single: successfully extracted reproducer found reproducer with 14 syscalls minimizing guilty program testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sendmsg$inet-socket$inet_tcp-socketpair$unix-sendmsg$inet-socket$inet_tcp-socket$inet6_tcp-recvmsg$unix-mmap$IORING_OFF_SQ_RING-socketpair$unix-syz_ublk_add_dev-mkdirat-mount-openat detailed listing: executing program 0: sendmsg$inet(0xffffffffffffffff, &(0x7f0000001b00)={0x0, 0x0, 0x0, 0x0, &(0x7f0000001d80)=ANY=[@ANYBLOB="28010000000000000100000001"], 0x128}, 0x4004000) socket$inet_tcp(0x2, 0x1, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) sendmsg$inet(r1, &(0x7f0000001b00)={0x0, 0x0, 0x0, 0x0, &(0x7f0000001d80)=ANY=[], 0x128}, 0x0) socket$inet_tcp(0x2, 0x1, 0x0) socket$inet6_tcp(0xa, 0x1, 0x0) recvmsg$unix(r0, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, &(0x7f0000000340)=[@cred={{0x1c}}, @rights={{0x10}}, @rights={{0x1c, 0x1, 0x1, [0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff]}}, @rights={{0x10}}, @rights={{0x10}}, @cred={{0x1c}}, @rights={{0x14, 0x1, 0x1, [0xffffffffffffffff]}}], 0xa8}, 0x80) mmap$IORING_OFF_SQ_RING(0x0, 0xc00000, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x0, 0x0, 0x0) syz_ublk_add_dev(0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, &(0x7f0000000300)) mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./debug\x00', 0x1ff) mount(0x0, &(0x7f0000000200)='./debug\x00', &(0x7f0000000300)='debugfs\x00', 0x0, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000400)='./debug/split_huge_pages\x00', 0x1, 0x0) program did not crash testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sendmsg$inet-socket$inet_tcp-socketpair$unix-sendmsg$inet-socket$inet_tcp-socket$inet6_tcp-recvmsg$unix-mmap$IORING_OFF_SQ_RING-socketpair$unix-syz_ublk_add_dev-mkdirat-mount-write detailed listing: executing program 0: sendmsg$inet(0xffffffffffffffff, &(0x7f0000001b00)={0x0, 0x0, 0x0, 0x0, &(0x7f0000001d80)=ANY=[@ANYBLOB="28010000000000000100000001"], 0x128}, 0x4004000) socket$inet_tcp(0x2, 0x1, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) sendmsg$inet(r1, &(0x7f0000001b00)={0x0, 0x0, 0x0, 0x0, &(0x7f0000001d80)=ANY=[], 0x128}, 0x0) socket$inet_tcp(0x2, 0x1, 0x0) socket$inet6_tcp(0xa, 0x1, 0x0) recvmsg$unix(r0, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, &(0x7f0000000340)=[@cred={{0x1c}}, @rights={{0x10}}, @rights={{0x1c, 0x1, 0x1, [0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff]}}, @rights={{0x10}}, @rights={{0x10}}, @cred={{0x1c}}, @rights={{0x14, 0x1, 0x1, [0xffffffffffffffff]}}], 0xa8}, 0x80) mmap$IORING_OFF_SQ_RING(0x0, 0xc00000, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x0, 0x0, 0x0) syz_ublk_add_dev(0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, &(0x7f0000000300)) mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./debug\x00', 0x1ff) mount(0x0, &(0x7f0000000200)='./debug\x00', &(0x7f0000000300)='debugfs\x00', 0x0, 0x0) write(0xffffffffffffffff, 0x0, 0x2f) program did not crash testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sendmsg$inet-socket$inet_tcp-socketpair$unix-sendmsg$inet-socket$inet_tcp-socket$inet6_tcp-recvmsg$unix-mmap$IORING_OFF_SQ_RING-socketpair$unix-syz_ublk_add_dev-mkdirat-openat-write detailed listing: executing program 0: sendmsg$inet(0xffffffffffffffff, &(0x7f0000001b00)={0x0, 0x0, 0x0, 0x0, &(0x7f0000001d80)=ANY=[@ANYBLOB="28010000000000000100000001"], 0x128}, 0x4004000) socket$inet_tcp(0x2, 0x1, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) sendmsg$inet(r1, &(0x7f0000001b00)={0x0, 0x0, 0x0, 0x0, &(0x7f0000001d80)=ANY=[], 0x128}, 0x0) socket$inet_tcp(0x2, 0x1, 0x0) socket$inet6_tcp(0xa, 0x1, 0x0) recvmsg$unix(r0, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, &(0x7f0000000340)=[@cred={{0x1c}}, @rights={{0x10}}, @rights={{0x1c, 0x1, 0x1, [0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff]}}, @rights={{0x10}}, @rights={{0x10}}, @cred={{0x1c}}, @rights={{0x14, 0x1, 0x1, [0xffffffffffffffff]}}], 0xa8}, 0x80) mmap$IORING_OFF_SQ_RING(0x0, 0xc00000, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x0, 0x0, 0x0) syz_ublk_add_dev(0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, &(0x7f0000000300)) mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./debug\x00', 0x1ff) r2 = openat(0xffffffffffffff9c, &(0x7f0000000400)='./debug/split_huge_pages\x00', 0x1, 0x0) write(r2, 0x0, 0x2f) program did not crash testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sendmsg$inet-socket$inet_tcp-socketpair$unix-sendmsg$inet-socket$inet_tcp-socket$inet6_tcp-recvmsg$unix-mmap$IORING_OFF_SQ_RING-socketpair$unix-syz_ublk_add_dev-mount-openat-write detailed listing: executing program 0: sendmsg$inet(0xffffffffffffffff, &(0x7f0000001b00)={0x0, 0x0, 0x0, 0x0, &(0x7f0000001d80)=ANY=[@ANYBLOB="28010000000000000100000001"], 0x128}, 0x4004000) socket$inet_tcp(0x2, 0x1, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) sendmsg$inet(r1, &(0x7f0000001b00)={0x0, 0x0, 0x0, 0x0, &(0x7f0000001d80)=ANY=[], 0x128}, 0x0) socket$inet_tcp(0x2, 0x1, 0x0) socket$inet6_tcp(0xa, 0x1, 0x0) recvmsg$unix(r0, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, &(0x7f0000000340)=[@cred={{0x1c}}, @rights={{0x10}}, @rights={{0x1c, 0x1, 0x1, [0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff]}}, @rights={{0x10}}, @rights={{0x10}}, @cred={{0x1c}}, @rights={{0x14, 0x1, 0x1, [0xffffffffffffffff]}}], 0xa8}, 0x80) mmap$IORING_OFF_SQ_RING(0x0, 0xc00000, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x0, 0x0, 0x0) syz_ublk_add_dev(0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, &(0x7f0000000300)) mount(0x0, &(0x7f0000000200)='./debug\x00', &(0x7f0000000300)='debugfs\x00', 0x0, 0x0) r2 = openat(0xffffffffffffff9c, &(0x7f0000000400)='./debug/split_huge_pages\x00', 0x1, 0x0) write(r2, 0x0, 0x2f) program did not crash testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sendmsg$inet-socket$inet_tcp-socketpair$unix-sendmsg$inet-socket$inet_tcp-socket$inet6_tcp-recvmsg$unix-mmap$IORING_OFF_SQ_RING-socketpair$unix-mkdirat-mount-openat-write detailed listing: executing program 0: sendmsg$inet(0xffffffffffffffff, &(0x7f0000001b00)={0x0, 0x0, 0x0, 0x0, &(0x7f0000001d80)=ANY=[@ANYBLOB="28010000000000000100000001"], 0x128}, 0x4004000) socket$inet_tcp(0x2, 0x1, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) sendmsg$inet(r1, &(0x7f0000001b00)={0x0, 0x0, 0x0, 0x0, &(0x7f0000001d80)=ANY=[], 0x128}, 0x0) socket$inet_tcp(0x2, 0x1, 0x0) socket$inet6_tcp(0xa, 0x1, 0x0) recvmsg$unix(r0, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, &(0x7f0000000340)=[@cred={{0x1c}}, @rights={{0x10}}, @rights={{0x1c, 0x1, 0x1, [0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff]}}, @rights={{0x10}}, @rights={{0x10}}, @cred={{0x1c}}, @rights={{0x14, 0x1, 0x1, [0xffffffffffffffff]}}], 0xa8}, 0x80) mmap$IORING_OFF_SQ_RING(0x0, 0xc00000, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x0, 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./debug\x00', 0x1ff) mount(0x0, &(0x7f0000000200)='./debug\x00', &(0x7f0000000300)='debugfs\x00', 0x0, 0x0) r2 = openat(0xffffffffffffff9c, &(0x7f0000000400)='./debug/split_huge_pages\x00', 0x1, 0x0) write(r2, 0x0, 0x2f) program did not crash testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sendmsg$inet-socket$inet_tcp-socketpair$unix-sendmsg$inet-socket$inet_tcp-socket$inet6_tcp-recvmsg$unix-mmap$IORING_OFF_SQ_RING-syz_ublk_add_dev-mkdirat-mount-openat-write detailed listing: executing program 0: sendmsg$inet(0xffffffffffffffff, &(0x7f0000001b00)={0x0, 0x0, 0x0, 0x0, &(0x7f0000001d80)=ANY=[@ANYBLOB="28010000000000000100000001"], 0x128}, 0x4004000) socket$inet_tcp(0x2, 0x1, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) sendmsg$inet(r1, &(0x7f0000001b00)={0x0, 0x0, 0x0, 0x0, &(0x7f0000001d80)=ANY=[], 0x128}, 0x0) socket$inet_tcp(0x2, 0x1, 0x0) socket$inet6_tcp(0xa, 0x1, 0x0) recvmsg$unix(r0, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, &(0x7f0000000340)=[@cred={{0x1c}}, @rights={{0x10}}, @rights={{0x1c, 0x1, 0x1, [0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff]}}, @rights={{0x10}}, @rights={{0x10}}, @cred={{0x1c}}, @rights={{0x14, 0x1, 0x1, [0xffffffffffffffff]}}], 0xa8}, 0x80) mmap$IORING_OFF_SQ_RING(0x0, 0xc00000, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0) syz_ublk_add_dev(0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, &(0x7f0000000300)) mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./debug\x00', 0x1ff) mount(0x0, &(0x7f0000000200)='./debug\x00', &(0x7f0000000300)='debugfs\x00', 0x0, 0x0) r2 = openat(0xffffffffffffff9c, &(0x7f0000000400)='./debug/split_huge_pages\x00', 0x1, 0x0) write(r2, 0x0, 0x2f) program did not crash testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sendmsg$inet-socket$inet_tcp-socketpair$unix-sendmsg$inet-socket$inet_tcp-socket$inet6_tcp-recvmsg$unix-socketpair$unix-syz_ublk_add_dev-mkdirat-mount-openat-write detailed listing: executing program 0: sendmsg$inet(0xffffffffffffffff, &(0x7f0000001b00)={0x0, 0x0, 0x0, 0x0, &(0x7f0000001d80)=ANY=[@ANYBLOB="28010000000000000100000001"], 0x128}, 0x4004000) socket$inet_tcp(0x2, 0x1, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) sendmsg$inet(r1, &(0x7f0000001b00)={0x0, 0x0, 0x0, 0x0, &(0x7f0000001d80)=ANY=[], 0x128}, 0x0) socket$inet_tcp(0x2, 0x1, 0x0) socket$inet6_tcp(0xa, 0x1, 0x0) recvmsg$unix(r0, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, &(0x7f0000000340)=[@cred={{0x1c}}, @rights={{0x10}}, @rights={{0x1c, 0x1, 0x1, [0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff]}}, @rights={{0x10}}, @rights={{0x10}}, @cred={{0x1c}}, @rights={{0x14, 0x1, 0x1, [0xffffffffffffffff]}}], 0xa8}, 0x80) socketpair$unix(0x1, 0x0, 0x0, 0x0) syz_ublk_add_dev(0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, &(0x7f0000000300)) mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./debug\x00', 0x1ff) mount(0x0, &(0x7f0000000200)='./debug\x00', &(0x7f0000000300)='debugfs\x00', 0x0, 0x0) r2 = openat(0xffffffffffffff9c, &(0x7f0000000400)='./debug/split_huge_pages\x00', 0x1, 0x0) write(r2, 0x0, 0x2f) program did not crash testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sendmsg$inet-socket$inet_tcp-socketpair$unix-sendmsg$inet-socket$inet_tcp-socket$inet6_tcp-mmap$IORING_OFF_SQ_RING-socketpair$unix-syz_ublk_add_dev-mkdirat-mount-openat-write detailed listing: executing program 0: sendmsg$inet(0xffffffffffffffff, &(0x7f0000001b00)={0x0, 0x0, 0x0, 0x0, &(0x7f0000001d80)=ANY=[@ANYBLOB="28010000000000000100000001"], 0x128}, 0x4004000) socket$inet_tcp(0x2, 0x1, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) sendmsg$inet(r0, &(0x7f0000001b00)={0x0, 0x0, 0x0, 0x0, &(0x7f0000001d80)=ANY=[], 0x128}, 0x0) socket$inet_tcp(0x2, 0x1, 0x0) socket$inet6_tcp(0xa, 0x1, 0x0) mmap$IORING_OFF_SQ_RING(0x0, 0xc00000, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x0, 0x0, 0x0) syz_ublk_add_dev(0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, &(0x7f0000000300)) mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./debug\x00', 0x1ff) mount(0x0, &(0x7f0000000200)='./debug\x00', &(0x7f0000000300)='debugfs\x00', 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000400)='./debug/split_huge_pages\x00', 0x1, 0x0) write(r1, 0x0, 0x2f) program did not crash testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sendmsg$inet-socket$inet_tcp-socketpair$unix-sendmsg$inet-socket$inet_tcp-recvmsg$unix-mmap$IORING_OFF_SQ_RING-socketpair$unix-syz_ublk_add_dev-mkdirat-mount-openat-write detailed listing: executing program 0: sendmsg$inet(0xffffffffffffffff, &(0x7f0000001b00)={0x0, 0x0, 0x0, 0x0, &(0x7f0000001d80)=ANY=[@ANYBLOB="28010000000000000100000001"], 0x128}, 0x4004000) socket$inet_tcp(0x2, 0x1, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) sendmsg$inet(r1, &(0x7f0000001b00)={0x0, 0x0, 0x0, 0x0, &(0x7f0000001d80)=ANY=[], 0x128}, 0x0) socket$inet_tcp(0x2, 0x1, 0x0) recvmsg$unix(r0, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, &(0x7f0000000340)=[@cred={{0x1c}}, @rights={{0x10}}, @rights={{0x1c, 0x1, 0x1, [0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff]}}, @rights={{0x10}}, @rights={{0x10}}, @cred={{0x1c}}, @rights={{0x14, 0x1, 0x1, [0xffffffffffffffff]}}], 0xa8}, 0x80) mmap$IORING_OFF_SQ_RING(0x0, 0xc00000, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x0, 0x0, 0x0) syz_ublk_add_dev(0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, &(0x7f0000000300)) mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./debug\x00', 0x1ff) mount(0x0, &(0x7f0000000200)='./debug\x00', &(0x7f0000000300)='debugfs\x00', 0x0, 0x0) r2 = openat(0xffffffffffffff9c, &(0x7f0000000400)='./debug/split_huge_pages\x00', 0x1, 0x0) write(r2, 0x0, 0x2f) program did not crash testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sendmsg$inet-socket$inet_tcp-socketpair$unix-sendmsg$inet-socket$inet6_tcp-recvmsg$unix-mmap$IORING_OFF_SQ_RING-socketpair$unix-syz_ublk_add_dev-mkdirat-mount-openat-write detailed listing: executing program 0: sendmsg$inet(0xffffffffffffffff, &(0x7f0000001b00)={0x0, 0x0, 0x0, 0x0, &(0x7f0000001d80)=ANY=[@ANYBLOB="28010000000000000100000001"], 0x128}, 0x4004000) socket$inet_tcp(0x2, 0x1, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) sendmsg$inet(r1, &(0x7f0000001b00)={0x0, 0x0, 0x0, 0x0, &(0x7f0000001d80)=ANY=[], 0x128}, 0x0) socket$inet6_tcp(0xa, 0x1, 0x0) recvmsg$unix(r0, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, &(0x7f0000000340)=[@cred={{0x1c}}, @rights={{0x10}}, @rights={{0x1c, 0x1, 0x1, [0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff]}}, @rights={{0x10}}, @rights={{0x10}}, @cred={{0x1c}}, @rights={{0x14, 0x1, 0x1, [0xffffffffffffffff]}}], 0xa8}, 0x80) mmap$IORING_OFF_SQ_RING(0x0, 0xc00000, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x0, 0x0, 0x0) syz_ublk_add_dev(0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, &(0x7f0000000300)) mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./debug\x00', 0x1ff) mount(0x0, &(0x7f0000000200)='./debug\x00', &(0x7f0000000300)='debugfs\x00', 0x0, 0x0) r2 = openat(0xffffffffffffff9c, &(0x7f0000000400)='./debug/split_huge_pages\x00', 0x1, 0x0) write(r2, 0x0, 0x2f) program did not crash testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sendmsg$inet-socket$inet_tcp-socketpair$unix-socket$inet_tcp-socket$inet6_tcp-recvmsg$unix-mmap$IORING_OFF_SQ_RING-socketpair$unix-syz_ublk_add_dev-mkdirat-mount-openat-write detailed listing: executing program 0: sendmsg$inet(0xffffffffffffffff, &(0x7f0000001b00)={0x0, 0x0, 0x0, 0x0, &(0x7f0000001d80)=ANY=[@ANYBLOB="28010000000000000100000001"], 0x128}, 0x4004000) socket$inet_tcp(0x2, 0x1, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff}) socket$inet_tcp(0x2, 0x1, 0x0) socket$inet6_tcp(0xa, 0x1, 0x0) recvmsg$unix(r0, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, &(0x7f0000000340)=[@cred={{0x1c}}, @rights={{0x10}}, @rights={{0x1c, 0x1, 0x1, [0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff]}}, @rights={{0x10}}, @rights={{0x10}}, @cred={{0x1c}}, @rights={{0x14, 0x1, 0x1, [0xffffffffffffffff]}}], 0xa8}, 0x80) mmap$IORING_OFF_SQ_RING(0x0, 0xc00000, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x0, 0x0, 0x0) syz_ublk_add_dev(0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, &(0x7f0000000300)) mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./debug\x00', 0x1ff) mount(0x0, &(0x7f0000000200)='./debug\x00', &(0x7f0000000300)='debugfs\x00', 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000400)='./debug/split_huge_pages\x00', 0x1, 0x0) write(r1, 0x0, 0x2f) program did not crash testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sendmsg$inet-socket$inet_tcp-sendmsg$inet-socket$inet_tcp-socket$inet6_tcp-recvmsg$unix-mmap$IORING_OFF_SQ_RING-socketpair$unix-syz_ublk_add_dev-mkdirat-mount-openat-write detailed listing: executing program 0: sendmsg$inet(0xffffffffffffffff, &(0x7f0000001b00)={0x0, 0x0, 0x0, 0x0, &(0x7f0000001d80)=ANY=[@ANYBLOB="28010000000000000100000001"], 0x128}, 0x4004000) socket$inet_tcp(0x2, 0x1, 0x0) sendmsg$inet(0xffffffffffffffff, &(0x7f0000001b00)={0x0, 0x0, 0x0, 0x0, &(0x7f0000001d80)=ANY=[], 0x128}, 0x0) socket$inet_tcp(0x2, 0x1, 0x0) socket$inet6_tcp(0xa, 0x1, 0x0) recvmsg$unix(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, &(0x7f0000000340)=[@cred={{0x1c}}, @rights={{0x10}}, @rights={{0x1c, 0x1, 0x1, [0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff]}}, @rights={{0x10}}, @rights={{0x10}}, @cred={{0x1c}}, @rights={{0x14, 0x1, 0x1, [0xffffffffffffffff]}}], 0xa8}, 0x80) mmap$IORING_OFF_SQ_RING(0x0, 0xc00000, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x0, 0x0, 0x0) syz_ublk_add_dev(0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, &(0x7f0000000300)) mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./debug\x00', 0x1ff) mount(0x0, &(0x7f0000000200)='./debug\x00', &(0x7f0000000300)='debugfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000400)='./debug/split_huge_pages\x00', 0x1, 0x0) write(r0, 0x0, 0x2f) program did not crash testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sendmsg$inet-socketpair$unix-sendmsg$inet-socket$inet_tcp-socket$inet6_tcp-recvmsg$unix-mmap$IORING_OFF_SQ_RING-socketpair$unix-syz_ublk_add_dev-mkdirat-mount-openat-write detailed listing: executing program 0: sendmsg$inet(0xffffffffffffffff, &(0x7f0000001b00)={0x0, 0x0, 0x0, 0x0, &(0x7f0000001d80)=ANY=[@ANYBLOB="28010000000000000100000001"], 0x128}, 0x4004000) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) sendmsg$inet(r1, &(0x7f0000001b00)={0x0, 0x0, 0x0, 0x0, &(0x7f0000001d80)=ANY=[], 0x128}, 0x0) socket$inet_tcp(0x2, 0x1, 0x0) socket$inet6_tcp(0xa, 0x1, 0x0) recvmsg$unix(r0, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, &(0x7f0000000340)=[@cred={{0x1c}}, @rights={{0x10}}, @rights={{0x1c, 0x1, 0x1, [0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff]}}, @rights={{0x10}}, @rights={{0x10}}, @cred={{0x1c}}, @rights={{0x14, 0x1, 0x1, [0xffffffffffffffff]}}], 0xa8}, 0x80) mmap$IORING_OFF_SQ_RING(0x0, 0xc00000, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x0, 0x0, 0x0) syz_ublk_add_dev(0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, &(0x7f0000000300)) mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./debug\x00', 0x1ff) mount(0x0, &(0x7f0000000200)='./debug\x00', &(0x7f0000000300)='debugfs\x00', 0x0, 0x0) r2 = openat(0xffffffffffffff9c, &(0x7f0000000400)='./debug/split_huge_pages\x00', 0x1, 0x0) write(r2, 0x0, 0x2f) program did not crash testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet_tcp-socketpair$unix-sendmsg$inet-socket$inet_tcp-socket$inet6_tcp-recvmsg$unix-mmap$IORING_OFF_SQ_RING-socketpair$unix-syz_ublk_add_dev-mkdirat-mount-openat-write detailed listing: executing program 0: socket$inet_tcp(0x2, 0x1, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) sendmsg$inet(r1, &(0x7f0000001b00)={0x0, 0x0, 0x0, 0x0, &(0x7f0000001d80)=ANY=[], 0x128}, 0x0) socket$inet_tcp(0x2, 0x1, 0x0) socket$inet6_tcp(0xa, 0x1, 0x0) recvmsg$unix(r0, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, &(0x7f0000000340)=[@cred={{0x1c}}, @rights={{0x10}}, @rights={{0x1c, 0x1, 0x1, [0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff]}}, @rights={{0x10}}, @rights={{0x10}}, @cred={{0x1c}}, @rights={{0x14, 0x1, 0x1, [0xffffffffffffffff]}}], 0xa8}, 0x80) mmap$IORING_OFF_SQ_RING(0x0, 0xc00000, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x0, 0x0, 0x0) syz_ublk_add_dev(0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, &(0x7f0000000300)) mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./debug\x00', 0x1ff) mount(0x0, &(0x7f0000000200)='./debug\x00', &(0x7f0000000300)='debugfs\x00', 0x0, 0x0) r2 = openat(0xffffffffffffff9c, &(0x7f0000000400)='./debug/split_huge_pages\x00', 0x1, 0x0) write(r2, 0x0, 0x2f) program did not crash testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sendmsg$inet-socket$inet_tcp-socketpair$unix-sendmsg$inet-socket$inet_tcp-socket$inet6_tcp-recvmsg$unix-mmap$IORING_OFF_SQ_RING-socketpair$unix-syz_ublk_add_dev-mkdirat-mount-openat-write detailed listing: executing program 0: sendmsg$inet(0xffffffffffffffff, 0x0, 0x4004000) socket$inet_tcp(0x2, 0x1, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) sendmsg$inet(r1, &(0x7f0000001b00)={0x0, 0x0, 0x0, 0x0, &(0x7f0000001d80)=ANY=[], 0x128}, 0x0) socket$inet_tcp(0x2, 0x1, 0x0) socket$inet6_tcp(0xa, 0x1, 0x0) recvmsg$unix(r0, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, &(0x7f0000000340)=[@cred={{0x1c}}, @rights={{0x10}}, @rights={{0x1c, 0x1, 0x1, [0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff]}}, @rights={{0x10}}, @rights={{0x10}}, @cred={{0x1c}}, @rights={{0x14, 0x1, 0x1, [0xffffffffffffffff]}}], 0xa8}, 0x80) mmap$IORING_OFF_SQ_RING(0x0, 0xc00000, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x0, 0x0, 0x0) syz_ublk_add_dev(0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, &(0x7f0000000300)) mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./debug\x00', 0x1ff) mount(0x0, &(0x7f0000000200)='./debug\x00', &(0x7f0000000300)='debugfs\x00', 0x0, 0x0) r2 = openat(0xffffffffffffff9c, &(0x7f0000000400)='./debug/split_huge_pages\x00', 0x1, 0x0) write(r2, 0x0, 0x2f) program did not crash testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sendmsg$inet-socket$inet_tcp-socketpair$unix-sendmsg$inet-socket$inet_tcp-socket$inet6_tcp-recvmsg$unix-mmap$IORING_OFF_SQ_RING-socketpair$unix-syz_ublk_add_dev-mkdirat-mount-openat-write detailed listing: executing program 0: sendmsg$inet(0xffffffffffffffff, &(0x7f0000001b00)={0x0, 0x0, 0x0, 0x0, 0x0, 0x128}, 0x4004000) socket$inet_tcp(0x2, 0x1, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) sendmsg$inet(r1, &(0x7f0000001b00)={0x0, 0x0, 0x0, 0x0, &(0x7f0000001d80)=ANY=[], 0x128}, 0x0) socket$inet_tcp(0x2, 0x1, 0x0) socket$inet6_tcp(0xa, 0x1, 0x0) recvmsg$unix(r0, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, &(0x7f0000000340)=[@cred={{0x1c}}, @rights={{0x10}}, @rights={{0x1c, 0x1, 0x1, [0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff]}}, @rights={{0x10}}, @rights={{0x10}}, @cred={{0x1c}}, @rights={{0x14, 0x1, 0x1, [0xffffffffffffffff]}}], 0xa8}, 0x80) mmap$IORING_OFF_SQ_RING(0x0, 0xc00000, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x0, 0x0, 0x0) syz_ublk_add_dev(0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, &(0x7f0000000300)) mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./debug\x00', 0x1ff) mount(0x0, &(0x7f0000000200)='./debug\x00', &(0x7f0000000300)='debugfs\x00', 0x0, 0x0) r2 = openat(0xffffffffffffff9c, &(0x7f0000000400)='./debug/split_huge_pages\x00', 0x1, 0x0) write(r2, 0x0, 0x2f) program did not crash testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sendmsg$inet-socket$inet_tcp-socketpair$unix-sendmsg$inet-socket$inet_tcp-socket$inet6_tcp-recvmsg$unix-mmap$IORING_OFF_SQ_RING-socketpair$unix-syz_ublk_add_dev-mkdirat-mount-openat-write detailed listing: executing program 0: sendmsg$inet(0xffffffffffffffff, &(0x7f0000001b00)={0x0, 0x0, 0x0, 0x0, &(0x7f0000001d80)=ANY=[@ANYBLOB], 0x128}, 0x4004000) socket$inet_tcp(0x2, 0x1, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) sendmsg$inet(r1, &(0x7f0000001b00)={0x0, 0x0, 0x0, 0x0, &(0x7f0000001d80)=ANY=[], 0x128}, 0x0) socket$inet_tcp(0x2, 0x1, 0x0) socket$inet6_tcp(0xa, 0x1, 0x0) recvmsg$unix(r0, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, &(0x7f0000000340)=[@cred={{0x1c}}, @rights={{0x10}}, @rights={{0x1c, 0x1, 0x1, [0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff]}}, @rights={{0x10}}, @rights={{0x10}}, @cred={{0x1c}}, @rights={{0x14, 0x1, 0x1, [0xffffffffffffffff]}}], 0xa8}, 0x80) mmap$IORING_OFF_SQ_RING(0x0, 0xc00000, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x0, 0x0, 0x0) syz_ublk_add_dev(0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, &(0x7f0000000300)) mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./debug\x00', 0x1ff) mount(0x0, &(0x7f0000000200)='./debug\x00', &(0x7f0000000300)='debugfs\x00', 0x0, 0x0) r2 = openat(0xffffffffffffff9c, &(0x7f0000000400)='./debug/split_huge_pages\x00', 0x1, 0x0) write(r2, 0x0, 0x2f) program did not crash testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sendmsg$inet-socket$inet_tcp-socketpair$unix-sendmsg$inet-socket$inet_tcp-socket$inet6_tcp-recvmsg$unix-mmap$IORING_OFF_SQ_RING-socketpair$unix-syz_ublk_add_dev-mkdirat-mount-openat-write detailed listing: executing program 0: sendmsg$inet(0xffffffffffffffff, &(0x7f0000001b00)={0x0, 0x0, 0x0, 0x0, &(0x7f0000001d80)=ANY=[@ANYBLOB="28010000000000000100000001"], 0x128}, 0x4004000) socket$inet_tcp(0x2, 0x1, 0x0) socketpair$unix(0x1, 0x2, 0x0, 0x0) sendmsg$inet(0xffffffffffffffff, &(0x7f0000001b00)={0x0, 0x0, 0x0, 0x0, &(0x7f0000001d80)=ANY=[], 0x128}, 0x0) socket$inet_tcp(0x2, 0x1, 0x0) socket$inet6_tcp(0xa, 0x1, 0x0) recvmsg$unix(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, &(0x7f0000000340)=[@cred={{0x1c}}, @rights={{0x10}}, @rights={{0x1c, 0x1, 0x1, [0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff]}}, @rights={{0x10}}, @rights={{0x10}}, @cred={{0x1c}}, @rights={{0x14, 0x1, 0x1, [0xffffffffffffffff]}}], 0xa8}, 0x80) mmap$IORING_OFF_SQ_RING(0x0, 0xc00000, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x0, 0x0, 0x0) syz_ublk_add_dev(0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, &(0x7f0000000300)) mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./debug\x00', 0x1ff) mount(0x0, &(0x7f0000000200)='./debug\x00', &(0x7f0000000300)='debugfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000400)='./debug/split_huge_pages\x00', 0x1, 0x0) write(r0, 0x0, 0x2f) program did not crash testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sendmsg$inet-socket$inet_tcp-socketpair$unix-sendmsg$inet-socket$inet_tcp-socket$inet6_tcp-recvmsg$unix-mmap$IORING_OFF_SQ_RING-socketpair$unix-syz_ublk_add_dev-mkdirat-mount-openat-write detailed listing: executing program 0: sendmsg$inet(0xffffffffffffffff, &(0x7f0000001b00)={0x0, 0x0, 0x0, 0x0, &(0x7f0000001d80)=ANY=[@ANYBLOB="28010000000000000100000001"], 0x128}, 0x4004000) socket$inet_tcp(0x2, 0x1, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) sendmsg$inet(r1, 0x0, 0x0) socket$inet_tcp(0x2, 0x1, 0x0) socket$inet6_tcp(0xa, 0x1, 0x0) recvmsg$unix(r0, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, &(0x7f0000000340)=[@cred={{0x1c}}, @rights={{0x10}}, @rights={{0x1c, 0x1, 0x1, [0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff]}}, @rights={{0x10}}, @rights={{0x10}}, @cred={{0x1c}}, @rights={{0x14, 0x1, 0x1, [0xffffffffffffffff]}}], 0xa8}, 0x80) mmap$IORING_OFF_SQ_RING(0x0, 0xc00000, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x0, 0x0, 0x0) syz_ublk_add_dev(0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, &(0x7f0000000300)) mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./debug\x00', 0x1ff) mount(0x0, &(0x7f0000000200)='./debug\x00', &(0x7f0000000300)='debugfs\x00', 0x0, 0x0) r2 = openat(0xffffffffffffff9c, &(0x7f0000000400)='./debug/split_huge_pages\x00', 0x1, 0x0) write(r2, 0x0, 0x2f) program did not crash testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sendmsg$inet-socket$inet_tcp-socketpair$unix-sendmsg$inet-socket$inet_tcp-socket$inet6_tcp-recvmsg$unix-mmap$IORING_OFF_SQ_RING-socketpair$unix-syz_ublk_add_dev-mkdirat-mount-openat-write detailed listing: executing program 0: sendmsg$inet(0xffffffffffffffff, &(0x7f0000001b00)={0x0, 0x0, 0x0, 0x0, &(0x7f0000001d80)=ANY=[@ANYBLOB="28010000000000000100000001"], 0x128}, 0x4004000) socket$inet_tcp(0x2, 0x1, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) sendmsg$inet(r1, &(0x7f0000001b00)={0x0, 0x0, 0x0, 0x0, 0x0, 0x128}, 0x0) socket$inet_tcp(0x2, 0x1, 0x0) socket$inet6_tcp(0xa, 0x1, 0x0) recvmsg$unix(r0, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, &(0x7f0000000340)=[@cred={{0x1c}}, @rights={{0x10}}, @rights={{0x1c, 0x1, 0x1, [0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff]}}, @rights={{0x10}}, @rights={{0x10}}, @cred={{0x1c}}, @rights={{0x14, 0x1, 0x1, [0xffffffffffffffff]}}], 0xa8}, 0x80) mmap$IORING_OFF_SQ_RING(0x0, 0xc00000, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x0, 0x0, 0x0) syz_ublk_add_dev(0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, &(0x7f0000000300)) mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./debug\x00', 0x1ff) mount(0x0, &(0x7f0000000200)='./debug\x00', &(0x7f0000000300)='debugfs\x00', 0x0, 0x0) r2 = openat(0xffffffffffffff9c, &(0x7f0000000400)='./debug/split_huge_pages\x00', 0x1, 0x0) write(r2, 0x0, 0x2f) program did not crash testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sendmsg$inet-socket$inet_tcp-socketpair$unix-sendmsg$inet-socket$inet_tcp-socket$inet6_tcp-recvmsg$unix-mmap$IORING_OFF_SQ_RING-socketpair$unix-syz_ublk_add_dev-mkdirat-mount-openat-write detailed listing: executing program 0: sendmsg$inet(0xffffffffffffffff, &(0x7f0000001b00)={0x0, 0x0, 0x0, 0x0, &(0x7f0000001d80)=ANY=[@ANYBLOB="28010000000000000100000001"], 0x128}, 0x4004000) socket$inet_tcp(0x2, 0x1, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) sendmsg$inet(r1, &(0x7f0000001b00)={0x0, 0x0, 0x0, 0x0, &(0x7f0000001d80)=ANY=[], 0x128}, 0x0) socket$inet_tcp(0x2, 0x1, 0x0) socket$inet6_tcp(0xa, 0x1, 0x0) recvmsg$unix(r0, 0x0, 0x80) mmap$IORING_OFF_SQ_RING(0x0, 0xc00000, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x0, 0x0, 0x0) syz_ublk_add_dev(0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, &(0x7f0000000300)) mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./debug\x00', 0x1ff) mount(0x0, &(0x7f0000000200)='./debug\x00', &(0x7f0000000300)='debugfs\x00', 0x0, 0x0) r2 = openat(0xffffffffffffff9c, &(0x7f0000000400)='./debug/split_huge_pages\x00', 0x1, 0x0) write(r2, 0x0, 0x2f) program did not crash testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sendmsg$inet-socket$inet_tcp-socketpair$unix-sendmsg$inet-socket$inet_tcp-socket$inet6_tcp-recvmsg$unix-mmap$IORING_OFF_SQ_RING-socketpair$unix-syz_ublk_add_dev-mkdirat-mount-openat-write detailed listing: executing program 0: sendmsg$inet(0xffffffffffffffff, &(0x7f0000001b00)={0x0, 0x0, 0x0, 0x0, &(0x7f0000001d80)=ANY=[@ANYBLOB="28010000000000000100000001"], 0x128}, 0x4004000) socket$inet_tcp(0x2, 0x1, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) sendmsg$inet(r1, &(0x7f0000001b00)={0x0, 0x0, 0x0, 0x0, &(0x7f0000001d80)=ANY=[], 0x128}, 0x0) socket$inet_tcp(0x2, 0x1, 0x0) socket$inet6_tcp(0xa, 0x1, 0x0) recvmsg$unix(r0, &(0x7f0000000000)={0x0, 0x0, 0x0}, 0x80) mmap$IORING_OFF_SQ_RING(0x0, 0xc00000, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x0, 0x0, 0x0) syz_ublk_add_dev(0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, &(0x7f0000000300)) mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./debug\x00', 0x1ff) mount(0x0, &(0x7f0000000200)='./debug\x00', &(0x7f0000000300)='debugfs\x00', 0x0, 0x0) r2 = openat(0xffffffffffffff9c, &(0x7f0000000400)='./debug/split_huge_pages\x00', 0x1, 0x0) write(r2, 0x0, 0x2f) program did not crash testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sendmsg$inet-socket$inet_tcp-socketpair$unix-sendmsg$inet-socket$inet_tcp-socket$inet6_tcp-recvmsg$unix-mmap$IORING_OFF_SQ_RING-socketpair$unix-syz_ublk_add_dev-mkdirat-mount-openat-write detailed listing: executing program 0: sendmsg$inet(0xffffffffffffffff, &(0x7f0000001b00)={0x0, 0x0, 0x0, 0x0, &(0x7f0000001d80)=ANY=[@ANYBLOB="28010000000000000100000001"], 0x128}, 0x4004000) socket$inet_tcp(0x2, 0x1, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) sendmsg$inet(r1, &(0x7f0000001b00)={0x0, 0x0, 0x0, 0x0, &(0x7f0000001d80)=ANY=[], 0x128}, 0x0) socket$inet_tcp(0x2, 0x1, 0x0) socket$inet6_tcp(0xa, 0x1, 0x0) recvmsg$unix(r0, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, &(0x7f0000000340)}, 0x80) mmap$IORING_OFF_SQ_RING(0x0, 0xc00000, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x0, 0x0, 0x0) syz_ublk_add_dev(0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, &(0x7f0000000300)) mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./debug\x00', 0x1ff) mount(0x0, &(0x7f0000000200)='./debug\x00', &(0x7f0000000300)='debugfs\x00', 0x0, 0x0) r2 = openat(0xffffffffffffff9c, &(0x7f0000000400)='./debug/split_huge_pages\x00', 0x1, 0x0) write(r2, 0x0, 0x2f) program did not crash testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sendmsg$inet-socket$inet_tcp-socketpair$unix-sendmsg$inet-socket$inet_tcp-socket$inet6_tcp-recvmsg$unix-mmap$IORING_OFF_SQ_RING-socketpair$unix-syz_ublk_add_dev-mkdirat-mount-openat-write detailed listing: executing program 0: sendmsg$inet(0xffffffffffffffff, &(0x7f0000001b00)={0x0, 0x0, 0x0, 0x0, &(0x7f0000001d80)=ANY=[@ANYBLOB="28010000000000000100000001"], 0x128}, 0x4004000) socket$inet_tcp(0x2, 0x1, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) sendmsg$inet(r1, &(0x7f0000001b00)={0x0, 0x0, 0x0, 0x0, &(0x7f0000001d80)=ANY=[], 0x128}, 0x0) socket$inet_tcp(0x2, 0x1, 0x0) socket$inet6_tcp(0xa, 0x1, 0x0) recvmsg$unix(r0, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, &(0x7f0000000340)=[@cred={{0x1c}}, @rights={{0x10}}, @rights={{0x10}}, @rights={{0x10}}, @rights={{0x10}}, @cred={{0x1c}}, @rights={{0x14, 0x1, 0x1, [0xffffffffffffffff]}}], 0x98}, 0x80) mmap$IORING_OFF_SQ_RING(0x0, 0xc00000, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x0, 0x0, 0x0) syz_ublk_add_dev(0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, &(0x7f0000000300)) mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./debug\x00', 0x1ff) mount(0x0, &(0x7f0000000200)='./debug\x00', &(0x7f0000000300)='debugfs\x00', 0x0, 0x0) r2 = openat(0xffffffffffffff9c, &(0x7f0000000400)='./debug/split_huge_pages\x00', 0x1, 0x0) write(r2, 0x0, 0x2f) program did not crash testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sendmsg$inet-socket$inet_tcp-socketpair$unix-sendmsg$inet-socket$inet_tcp-socket$inet6_tcp-recvmsg$unix-mmap$IORING_OFF_SQ_RING-socketpair$unix-syz_ublk_add_dev-mkdirat-mount-openat-write detailed listing: executing program 0: sendmsg$inet(0xffffffffffffffff, &(0x7f0000001b00)={0x0, 0x0, 0x0, 0x0, &(0x7f0000001d80)=ANY=[@ANYBLOB="28010000000000000100000001"], 0x128}, 0x4004000) socket$inet_tcp(0x2, 0x1, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) sendmsg$inet(r1, &(0x7f0000001b00)={0x0, 0x0, 0x0, 0x0, &(0x7f0000001d80)=ANY=[], 0x128}, 0x0) socket$inet_tcp(0x2, 0x1, 0x0) socket$inet6_tcp(0xa, 0x1, 0x0) recvmsg$unix(r0, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, &(0x7f0000000340)=[@cred={{0x1c}}, @rights={{0x10}}, @rights={{0x1c, 0x1, 0x1, [0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff]}}, @rights={{0x10}}, @rights={{0x10}}, @cred={{0x1c}}, @rights={{0x14, 0x1, 0x1, [0xffffffffffffffff]}}], 0xa8}, 0x80) mmap$IORING_OFF_SQ_RING(0x0, 0xc00000, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x0, 0x0, 0x0) syz_ublk_add_dev(0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./debug\x00', 0x1ff) mount(0x0, &(0x7f0000000200)='./debug\x00', &(0x7f0000000300)='debugfs\x00', 0x0, 0x0) r2 = openat(0xffffffffffffff9c, &(0x7f0000000400)='./debug/split_huge_pages\x00', 0x1, 0x0) write(r2, 0x0, 0x2f) program did not crash testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sendmsg$inet-socket$inet_tcp-socketpair$unix-sendmsg$inet-socket$inet_tcp-socket$inet6_tcp-recvmsg$unix-mmap$IORING_OFF_SQ_RING-socketpair$unix-syz_ublk_add_dev-mkdirat-mount-openat-write detailed listing: executing program 0: sendmsg$inet(0xffffffffffffffff, &(0x7f0000001b00)={0x0, 0x0, 0x0, 0x0, &(0x7f0000001d80)=ANY=[@ANYBLOB="28010000000000000100000001"], 0x128}, 0x4004000) socket$inet_tcp(0x2, 0x1, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) sendmsg$inet(r1, &(0x7f0000001b00)={0x0, 0x0, 0x0, 0x0, &(0x7f0000001d80)=ANY=[], 0x128}, 0x0) socket$inet_tcp(0x2, 0x1, 0x0) socket$inet6_tcp(0xa, 0x1, 0x0) recvmsg$unix(r0, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, &(0x7f0000000340)=[@cred={{0x1c}}, @rights={{0x10}}, @rights={{0x1c, 0x1, 0x1, [0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff]}}, @rights={{0x10}}, @rights={{0x10}}, @cred={{0x1c}}, @rights={{0x14, 0x1, 0x1, [0xffffffffffffffff]}}], 0xa8}, 0x80) mmap$IORING_OFF_SQ_RING(0x0, 0xc00000, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x0, 0x0, 0x0) syz_ublk_add_dev(0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, &(0x7f0000000300)) mkdirat(0xffffffffffffff9c, 0x0, 0x1ff) mount(0x0, &(0x7f0000000200)='./debug\x00', &(0x7f0000000300)='debugfs\x00', 0x0, 0x0) r2 = openat(0xffffffffffffff9c, &(0x7f0000000400)='./debug/split_huge_pages\x00', 0x1, 0x0) write(r2, 0x0, 0x2f) program did not crash testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sendmsg$inet-socket$inet_tcp-socketpair$unix-sendmsg$inet-socket$inet_tcp-socket$inet6_tcp-recvmsg$unix-mmap$IORING_OFF_SQ_RING-socketpair$unix-syz_ublk_add_dev-mkdirat-mount-openat-write detailed listing: executing program 0: sendmsg$inet(0xffffffffffffffff, &(0x7f0000001b00)={0x0, 0x0, 0x0, 0x0, &(0x7f0000001d80)=ANY=[@ANYBLOB="28010000000000000100000001"], 0x128}, 0x4004000) socket$inet_tcp(0x2, 0x1, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) sendmsg$inet(r1, &(0x7f0000001b00)={0x0, 0x0, 0x0, 0x0, &(0x7f0000001d80)=ANY=[], 0x128}, 0x0) socket$inet_tcp(0x2, 0x1, 0x0) socket$inet6_tcp(0xa, 0x1, 0x0) recvmsg$unix(r0, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, &(0x7f0000000340)=[@cred={{0x1c}}, @rights={{0x10}}, @rights={{0x1c, 0x1, 0x1, [0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff]}}, @rights={{0x10}}, @rights={{0x10}}, @cred={{0x1c}}, @rights={{0x14, 0x1, 0x1, [0xffffffffffffffff]}}], 0xa8}, 0x80) mmap$IORING_OFF_SQ_RING(0x0, 0xc00000, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x0, 0x0, 0x0) syz_ublk_add_dev(0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, &(0x7f0000000300)) mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./debug\x00', 0x1ff) mount(0x0, 0x0, &(0x7f0000000300)='debugfs\x00', 0x0, 0x0) r2 = openat(0xffffffffffffff9c, &(0x7f0000000400)='./debug/split_huge_pages\x00', 0x1, 0x0) write(r2, 0x0, 0x2f) program did not crash testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sendmsg$inet-socket$inet_tcp-socketpair$unix-sendmsg$inet-socket$inet_tcp-socket$inet6_tcp-recvmsg$unix-mmap$IORING_OFF_SQ_RING-socketpair$unix-syz_ublk_add_dev-mkdirat-mount-openat-write detailed listing: executing program 0: sendmsg$inet(0xffffffffffffffff, &(0x7f0000001b00)={0x0, 0x0, 0x0, 0x0, &(0x7f0000001d80)=ANY=[@ANYBLOB="28010000000000000100000001"], 0x128}, 0x4004000) socket$inet_tcp(0x2, 0x1, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) sendmsg$inet(r1, &(0x7f0000001b00)={0x0, 0x0, 0x0, 0x0, &(0x7f0000001d80)=ANY=[], 0x128}, 0x0) socket$inet_tcp(0x2, 0x1, 0x0) socket$inet6_tcp(0xa, 0x1, 0x0) recvmsg$unix(r0, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, &(0x7f0000000340)=[@cred={{0x1c}}, @rights={{0x10}}, @rights={{0x1c, 0x1, 0x1, [0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff]}}, @rights={{0x10}}, @rights={{0x10}}, @cred={{0x1c}}, @rights={{0x14, 0x1, 0x1, [0xffffffffffffffff]}}], 0xa8}, 0x80) mmap$IORING_OFF_SQ_RING(0x0, 0xc00000, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x0, 0x0, 0x0) syz_ublk_add_dev(0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, &(0x7f0000000300)) mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./debug\x00', 0x1ff) mount(0x0, &(0x7f0000000200)='./debug\x00', 0x0, 0x0, 0x0) r2 = openat(0xffffffffffffff9c, &(0x7f0000000400)='./debug/split_huge_pages\x00', 0x1, 0x0) write(r2, 0x0, 0x2f) program did not crash testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sendmsg$inet-socket$inet_tcp-socketpair$unix-sendmsg$inet-socket$inet_tcp-socket$inet6_tcp-recvmsg$unix-mmap$IORING_OFF_SQ_RING-socketpair$unix-syz_ublk_add_dev-mkdirat-mount-openat-write detailed listing: executing program 0: sendmsg$inet(0xffffffffffffffff, &(0x7f0000001b00)={0x0, 0x0, 0x0, 0x0, &(0x7f0000001d80)=ANY=[@ANYBLOB="28010000000000000100000001"], 0x128}, 0x4004000) socket$inet_tcp(0x2, 0x1, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) sendmsg$inet(r1, &(0x7f0000001b00)={0x0, 0x0, 0x0, 0x0, &(0x7f0000001d80)=ANY=[], 0x128}, 0x0) socket$inet_tcp(0x2, 0x1, 0x0) socket$inet6_tcp(0xa, 0x1, 0x0) recvmsg$unix(r0, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, &(0x7f0000000340)=[@cred={{0x1c}}, @rights={{0x10}}, @rights={{0x1c, 0x1, 0x1, [0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff]}}, @rights={{0x10}}, @rights={{0x10}}, @cred={{0x1c}}, @rights={{0x14, 0x1, 0x1, [0xffffffffffffffff]}}], 0xa8}, 0x80) mmap$IORING_OFF_SQ_RING(0x0, 0xc00000, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x0, 0x0, 0x0) syz_ublk_add_dev(0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, &(0x7f0000000300)) mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./debug\x00', 0x1ff) mount(0x0, &(0x7f0000000200)='./debug\x00', &(0x7f0000000300)='debugfs\x00', 0x0, 0x0) r2 = openat(0xffffffffffffff9c, 0x0, 0x1, 0x0) write(r2, 0x0, 0x2f) program did not crash extracting C reproducer testing compiled C program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sendmsg$inet-socket$inet_tcp-socketpair$unix-sendmsg$inet-socket$inet_tcp-socket$inet6_tcp-recvmsg$unix-mmap$IORING_OFF_SQ_RING-socketpair$unix-syz_ublk_add_dev-mkdirat-mount-openat-write program crashed: general protection fault in vsscanf simplifying C reproducer testing compiled C program (duration=30s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sendmsg$inet-socket$inet_tcp-socketpair$unix-sendmsg$inet-socket$inet_tcp-socket$inet6_tcp-recvmsg$unix-mmap$IORING_OFF_SQ_RING-socketpair$unix-syz_ublk_add_dev-mkdirat-mount-openat-write program crashed: general protection fault in vsscanf testing compiled C program (duration=30s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sendmsg$inet-socket$inet_tcp-socketpair$unix-sendmsg$inet-socket$inet_tcp-socket$inet6_tcp-recvmsg$unix-mmap$IORING_OFF_SQ_RING-socketpair$unix-syz_ublk_add_dev-mkdirat-mount-openat-write program crashed: general protection fault in vsscanf testing compiled C program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sendmsg$inet-socket$inet_tcp-socketpair$unix-sendmsg$inet-socket$inet_tcp-socket$inet6_tcp-recvmsg$unix-mmap$IORING_OFF_SQ_RING-socketpair$unix-syz_ublk_add_dev-mkdirat-mount-openat-write program crashed: general protection fault in vsscanf testing compiled C program (duration=30s, {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}}): sendmsg$inet-socket$inet_tcp-socketpair$unix-sendmsg$inet-socket$inet_tcp-socket$inet6_tcp-recvmsg$unix-mmap$IORING_OFF_SQ_RING-socketpair$unix-syz_ublk_add_dev-mkdirat-mount-openat-write program crashed: general protection fault in vsscanf testing compiled C program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sendmsg$inet-socket$inet_tcp-socketpair$unix-sendmsg$inet-socket$inet_tcp-socket$inet6_tcp-recvmsg$unix-mmap$IORING_OFF_SQ_RING-socketpair$unix-syz_ublk_add_dev-mkdirat-mount-openat-write program crashed: general protection fault in vsscanf testing compiled C program (duration=30s, {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}}): sendmsg$inet-socket$inet_tcp-socketpair$unix-sendmsg$inet-socket$inet_tcp-socket$inet6_tcp-recvmsg$unix-mmap$IORING_OFF_SQ_RING-socketpair$unix-syz_ublk_add_dev-mkdirat-mount-openat-write program crashed: general protection fault in vsscanf testing program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sendmsg$inet-socket$inet_tcp-socketpair$unix-sendmsg$inet-socket$inet_tcp-socket$inet6_tcp-recvmsg$unix-mmap$IORING_OFF_SQ_RING-socketpair$unix-syz_ublk_add_dev-mkdirat-mount-openat-write detailed listing: executing program 0: sendmsg$inet(0xffffffffffffffff, &(0x7f0000001b00)={0x0, 0x0, 0x0, 0x0, &(0x7f0000001d80)=ANY=[@ANYBLOB="28010000000000000100000001"], 0x128}, 0x4004000) socket$inet_tcp(0x2, 0x1, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) sendmsg$inet(r1, &(0x7f0000001b00)={0x0, 0x0, 0x0, 0x0, &(0x7f0000001d80)=ANY=[], 0x128}, 0x0) socket$inet_tcp(0x2, 0x1, 0x0) socket$inet6_tcp(0xa, 0x1, 0x0) recvmsg$unix(r0, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, &(0x7f0000000340)=[@cred={{0x1c}}, @rights={{0x10}}, @rights={{0x1c, 0x1, 0x1, [0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff]}}, @rights={{0x10}}, @rights={{0x10}}, @cred={{0x1c}}, @rights={{0x14, 0x1, 0x1, [0xffffffffffffffff]}}], 0xa8}, 0x80) mmap$IORING_OFF_SQ_RING(0x0, 0xc00000, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x0, 0x0, 0x0) syz_ublk_add_dev(0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, &(0x7f0000000300)) mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./debug\x00', 0x1ff) mount(0x0, &(0x7f0000000200)='./debug\x00', &(0x7f0000000300)='debugfs\x00', 0x0, 0x0) r2 = openat(0xffffffffffffff9c, &(0x7f0000000400)='./debug/split_huge_pages\x00', 0x1, 0x0) write(r2, 0x0, 0x2f) program crashed: general protection fault in vsscanf validation run: crashed=true testing program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sendmsg$inet-socket$inet_tcp-socketpair$unix-sendmsg$inet-socket$inet_tcp-socket$inet6_tcp-recvmsg$unix-mmap$IORING_OFF_SQ_RING-socketpair$unix-syz_ublk_add_dev-mkdirat-mount-openat-write detailed listing: executing program 0: sendmsg$inet(0xffffffffffffffff, &(0x7f0000001b00)={0x0, 0x0, 0x0, 0x0, &(0x7f0000001d80)=ANY=[@ANYBLOB="28010000000000000100000001"], 0x128}, 0x4004000) socket$inet_tcp(0x2, 0x1, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) sendmsg$inet(r1, &(0x7f0000001b00)={0x0, 0x0, 0x0, 0x0, &(0x7f0000001d80)=ANY=[], 0x128}, 0x0) socket$inet_tcp(0x2, 0x1, 0x0) socket$inet6_tcp(0xa, 0x1, 0x0) recvmsg$unix(r0, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, &(0x7f0000000340)=[@cred={{0x1c}}, @rights={{0x10}}, @rights={{0x1c, 0x1, 0x1, [0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff]}}, @rights={{0x10}}, @rights={{0x10}}, @cred={{0x1c}}, @rights={{0x14, 0x1, 0x1, [0xffffffffffffffff]}}], 0xa8}, 0x80) mmap$IORING_OFF_SQ_RING(0x0, 0xc00000, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x0, 0x0, 0x0) syz_ublk_add_dev(0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, &(0x7f0000000300)) mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./debug\x00', 0x1ff) mount(0x0, &(0x7f0000000200)='./debug\x00', &(0x7f0000000300)='debugfs\x00', 0x0, 0x0) r2 = openat(0xffffffffffffff9c, &(0x7f0000000400)='./debug/split_huge_pages\x00', 0x1, 0x0) write(r2, 0x0, 0x2f) program crashed: general protection fault in vsscanf validation run: crashed=true testing program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sendmsg$inet-socket$inet_tcp-socketpair$unix-sendmsg$inet-socket$inet_tcp-socket$inet6_tcp-recvmsg$unix-mmap$IORING_OFF_SQ_RING-socketpair$unix-syz_ublk_add_dev-mkdirat-mount-openat-write detailed listing: executing program 0: sendmsg$inet(0xffffffffffffffff, &(0x7f0000001b00)={0x0, 0x0, 0x0, 0x0, &(0x7f0000001d80)=ANY=[@ANYBLOB="28010000000000000100000001"], 0x128}, 0x4004000) socket$inet_tcp(0x2, 0x1, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) sendmsg$inet(r1, &(0x7f0000001b00)={0x0, 0x0, 0x0, 0x0, &(0x7f0000001d80)=ANY=[], 0x128}, 0x0) socket$inet_tcp(0x2, 0x1, 0x0) socket$inet6_tcp(0xa, 0x1, 0x0) recvmsg$unix(r0, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, &(0x7f0000000340)=[@cred={{0x1c}}, @rights={{0x10}}, @rights={{0x1c, 0x1, 0x1, [0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff]}}, @rights={{0x10}}, @rights={{0x10}}, @cred={{0x1c}}, @rights={{0x14, 0x1, 0x1, [0xffffffffffffffff]}}], 0xa8}, 0x80) mmap$IORING_OFF_SQ_RING(0x0, 0xc00000, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x0, 0x0, 0x0) syz_ublk_add_dev(0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, &(0x7f0000000300)) mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./debug\x00', 0x1ff) mount(0x0, &(0x7f0000000200)='./debug\x00', &(0x7f0000000300)='debugfs\x00', 0x0, 0x0) r2 = openat(0xffffffffffffff9c, &(0x7f0000000400)='./debug/split_huge_pages\x00', 0x1, 0x0) write(r2, 0x0, 0x2f) program crashed: general protection fault in vsscanf validation run: crashed=true reproducing took 36m33.452694729s repro crashed as (corrupted=false): general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] PREEMPT SMP KASAN KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007] CPU: 1 PID: 372 Comm: syz.2.17 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026 RIP: 0010:vsscanf+0x196/0x24b0 lib/vsprintf.c:3446 Code: 48 c7 c6 70 13 8e 87 e8 48 26 7e fc 41 83 fe 25 74 4d 45 85 f6 0f 84 b6 21 00 00 48 ff c3 48 89 5c 24 78 4c 89 f8 48 c1 e8 03 <42> 0f b6 04 28 84 c0 0f 85 4f 1b 00 00 41 0f b6 1f 45 0f b6 f6 44 RSP: 0018:ffffc900037975e0 EFLAGS: 00010246 RAX: 0000000000000000 RBX: ffffffff85b0dd81 RCX: 0000000000000001 RDX: ffffffff84f34d48 RSI: ffffffff878e1370 RDI: 0000000000000030 RBP: ffffc90003797710 R08: ffff888113723cc0 R09: 0000000000000002 R10: 0000000000000025 R11: 0000000000000000 R12: ffffffff85b0dd80 R13: dffffc0000000000 R14: 0000000000000030 R15: 0000000000000000 FS: 0000555574e62500(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000000 CR3: 000000012c2b6000 CR4: 00000000003506a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: sscanf+0xdf/0x130 lib/vsprintf.c:3704 split_huge_pages_write+0x37a/0x10d0 mm/huge_memory.c:3288 full_proxy_write+0x121/0x1d0 fs/debugfs/file.c:244 vfs_write+0x3fb/0xd00 fs/read_write.c:582 ksys_write+0x14a/0x260 fs/read_write.c:637 __do_sys_write fs/read_write.c:649 [inline] __se_sys_write fs/read_write.c:646 [inline] __x64_sys_write+0x7b/0x90 fs/read_write.c:646 x64_sys_call+0x27b/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:2 do_syscall_x64 arch/x86/entry/common.c:46 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76 entry_SYSCALL_64_after_hwframe+0x68/0xd2 RIP: 0033:0x7ff4bbb9e199 Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 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 e8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fff8cc41e38 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007ff4bbe25fa0 RCX: 00007ff4bbb9e199 RDX: 000000000000002f RSI: 0000000000000000 RDI: 000000000000002e RBP: 00007ff4bbc350b8 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ff4bbe25fac R14: 00007ff4bbe25fa0 R15: 00007ff4bbe25fa0 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:vsscanf+0x196/0x24b0 lib/vsprintf.c:3446 Code: 48 c7 c6 70 13 8e 87 e8 48 26 7e fc 41 83 fe 25 74 4d 45 85 f6 0f 84 b6 21 00 00 48 ff c3 48 89 5c 24 78 4c 89 f8 48 c1 e8 03 <42> 0f b6 04 28 84 c0 0f 85 4f 1b 00 00 41 0f b6 1f 45 0f b6 f6 44 RSP: 0018:ffffc900037975e0 EFLAGS: 00010246 RAX: 0000000000000000 RBX: ffffffff85b0dd81 RCX: 0000000000000001 RDX: ffffffff84f34d48 RSI: ffffffff878e1370 RDI: 0000000000000030 RBP: ffffc90003797710 R08: ffff888113723cc0 R09: 0000000000000002 R10: 0000000000000025 R11: 0000000000000000 R12: ffffffff85b0dd80 R13: dffffc0000000000 R14: 0000000000000030 R15: 0000000000000000 FS: 0000555574e62500(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fff8cc40fa8 CR3: 000000012c2b6000 CR4: 00000000003506b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: 48 c7 c6 70 13 8e 87 mov $0xffffffff878e1370,%rsi 7: e8 48 26 7e fc call 0xfc7e2654 c: 41 83 fe 25 cmp $0x25,%r14d 10: 74 4d je 0x5f 12: 45 85 f6 test %r14d,%r14d 15: 0f 84 b6 21 00 00 je 0x21d1 1b: 48 ff c3 inc %rbx 1e: 48 89 5c 24 78 mov %rbx,0x78(%rsp) 23: 4c 89 f8 mov %r15,%rax 26: 48 c1 e8 03 shr $0x3,%rax * 2a: 42 0f b6 04 28 movzbl (%rax,%r13,1),%eax <-- trapping instruction 2f: 84 c0 test %al,%al 31: 0f 85 4f 1b 00 00 jne 0x1b86 37: 41 0f b6 1f movzbl (%r15),%ebx 3b: 45 0f b6 f6 movzbl %r14b,%r14d 3f: 44 rex.R final repro crashed as (corrupted=false): general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] PREEMPT SMP KASAN KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007] CPU: 1 PID: 372 Comm: syz.2.17 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026 RIP: 0010:vsscanf+0x196/0x24b0 lib/vsprintf.c:3446 Code: 48 c7 c6 70 13 8e 87 e8 48 26 7e fc 41 83 fe 25 74 4d 45 85 f6 0f 84 b6 21 00 00 48 ff c3 48 89 5c 24 78 4c 89 f8 48 c1 e8 03 <42> 0f b6 04 28 84 c0 0f 85 4f 1b 00 00 41 0f b6 1f 45 0f b6 f6 44 RSP: 0018:ffffc900037975e0 EFLAGS: 00010246 RAX: 0000000000000000 RBX: ffffffff85b0dd81 RCX: 0000000000000001 RDX: ffffffff84f34d48 RSI: ffffffff878e1370 RDI: 0000000000000030 RBP: ffffc90003797710 R08: ffff888113723cc0 R09: 0000000000000002 R10: 0000000000000025 R11: 0000000000000000 R12: ffffffff85b0dd80 R13: dffffc0000000000 R14: 0000000000000030 R15: 0000000000000000 FS: 0000555574e62500(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000000 CR3: 000000012c2b6000 CR4: 00000000003506a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: sscanf+0xdf/0x130 lib/vsprintf.c:3704 split_huge_pages_write+0x37a/0x10d0 mm/huge_memory.c:3288 full_proxy_write+0x121/0x1d0 fs/debugfs/file.c:244 vfs_write+0x3fb/0xd00 fs/read_write.c:582 ksys_write+0x14a/0x260 fs/read_write.c:637 __do_sys_write fs/read_write.c:649 [inline] __se_sys_write fs/read_write.c:646 [inline] __x64_sys_write+0x7b/0x90 fs/read_write.c:646 x64_sys_call+0x27b/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:2 do_syscall_x64 arch/x86/entry/common.c:46 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76 entry_SYSCALL_64_after_hwframe+0x68/0xd2 RIP: 0033:0x7ff4bbb9e199 Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 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 e8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fff8cc41e38 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007ff4bbe25fa0 RCX: 00007ff4bbb9e199 RDX: 000000000000002f RSI: 0000000000000000 RDI: 000000000000002e RBP: 00007ff4bbc350b8 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ff4bbe25fac R14: 00007ff4bbe25fa0 R15: 00007ff4bbe25fa0 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:vsscanf+0x196/0x24b0 lib/vsprintf.c:3446 Code: 48 c7 c6 70 13 8e 87 e8 48 26 7e fc 41 83 fe 25 74 4d 45 85 f6 0f 84 b6 21 00 00 48 ff c3 48 89 5c 24 78 4c 89 f8 48 c1 e8 03 <42> 0f b6 04 28 84 c0 0f 85 4f 1b 00 00 41 0f b6 1f 45 0f b6 f6 44 RSP: 0018:ffffc900037975e0 EFLAGS: 00010246 RAX: 0000000000000000 RBX: ffffffff85b0dd81 RCX: 0000000000000001 RDX: ffffffff84f34d48 RSI: ffffffff878e1370 RDI: 0000000000000030 RBP: ffffc90003797710 R08: ffff888113723cc0 R09: 0000000000000002 R10: 0000000000000025 R11: 0000000000000000 R12: ffffffff85b0dd80 R13: dffffc0000000000 R14: 0000000000000030 R15: 0000000000000000 FS: 0000555574e62500(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fff8cc40fa8 CR3: 000000012c2b6000 CR4: 00000000003506b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: 48 c7 c6 70 13 8e 87 mov $0xffffffff878e1370,%rsi 7: e8 48 26 7e fc call 0xfc7e2654 c: 41 83 fe 25 cmp $0x25,%r14d 10: 74 4d je 0x5f 12: 45 85 f6 test %r14d,%r14d 15: 0f 84 b6 21 00 00 je 0x21d1 1b: 48 ff c3 inc %rbx 1e: 48 89 5c 24 78 mov %rbx,0x78(%rsp) 23: 4c 89 f8 mov %r15,%rax 26: 48 c1 e8 03 shr $0x3,%rax * 2a: 42 0f b6 04 28 movzbl (%rax,%r13,1),%eax <-- trapping instruction 2f: 84 c0 test %al,%al 31: 0f 85 4f 1b 00 00 jne 0x1b86 37: 41 0f b6 1f movzbl (%r15),%ebx 3b: 45 0f b6 f6 movzbl %r14b,%r14d 3f: 44 rex.R