Extracting prog: 50.276465025s Minimizing prog: 24m38.121776195s Simplifying prog options: 0s Extracting C: 39.168162609s Simplifying C: 3m28.946000602s extracting reproducer from 28 programs first checking the prog from the crash report single: executing 1 programs separately with timeout 30s testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$MAP_CREATE-prlimit64-sched_setscheduler-sched_setscheduler-getpid-sched_setscheduler-bpf$BPF_RAW_TRACEPOINT_OPEN-mmap-socketpair$unix-connect$unix-sendmmsg$unix-recvmmsg-bpf$MAP_CREATE-openat$procfs-socket$inet_udp-bind$inet-sendto$inet-add_key$user-keyctl$KEYCTL_MOVE-keyctl$invalidate-connect$inet-sendfile detailed listing: executing program 0: bpf$MAP_CREATE(0x0, &(0x7f0000000640)=@base={0x17, 0x0, 0x0, 0xff, 0x64e00, 0x1, 0x0, '\x00', 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, @void, @value, @void, @value}, 0x50) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x100008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) sched_setscheduler(0x0, 0x2, &(0x7f0000000200)) r0 = getpid() sched_setscheduler(r0, 0x1, &(0x7f0000000100)=0x5) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000080)={0x0}, 0x18) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f04ebbee6, 0x8031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@abs={0x0, 0x0, 0x40000}, 0x6e) sendmmsg$unix(r2, &(0x7f00000bd000), 0x318, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) bpf$MAP_CREATE(0x141e000000000000, &(0x7f00000000c0)=@base={0x5, 0x3f, 0x6c03, 0xee, 0x11, 0xffffffffffffffff, 0x0, '\x00', 0x0, 0xffffffffffffffff, 0x0, 0x4000000, 0x0, 0x0, @void, @value, @void, @value}, 0x48) r3 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000040)='/proc/timer_list\x00', 0x0, 0x0) r4 = socket$inet_udp(0x2, 0x2, 0x0) bind$inet(r4, &(0x7f00000001c0)={0x2, 0x0, @local}, 0x10) sendto$inet(r3, &(0x7f0000000340), 0x0, 0x10, &(0x7f0000000000)={0x2, 0x4e20, @broadcast}, 0x10) r5 = add_key$user(0x0, &(0x7f0000000140)={'syz', 0x0}, &(0x7f0000000180)="35cb1f", 0x3, 0xfffffffffffffffd) keyctl$KEYCTL_MOVE(0x1e, r5, 0xfffffffffffffffb, 0xffffffffffffffff, 0x1) keyctl$invalidate(0x15, r5) connect$inet(r4, &(0x7f0000000480)={0x2, 0x0, @multicast2}, 0x10) sendfile(r4, r3, 0x0, 0x20000023893) program crashed: general protection fault in put_page single: successfully extracted reproducer found reproducer with 22 syscalls minimizing guilty program testing program (duration=1m5.193089143s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$MAP_CREATE-prlimit64-sched_setscheduler-sched_setscheduler-getpid-sched_setscheduler-bpf$BPF_RAW_TRACEPOINT_OPEN-mmap-socketpair$unix-connect$unix-sendmmsg$unix-recvmmsg-bpf$MAP_CREATE-openat$procfs-socket$inet_udp-bind$inet-sendto$inet-add_key$user-keyctl$KEYCTL_MOVE-keyctl$invalidate-connect$inet detailed listing: executing program 0: bpf$MAP_CREATE(0x0, &(0x7f0000000640)=@base={0x17, 0x0, 0x0, 0xff, 0x64e00, 0x1, 0x0, '\x00', 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, @void, @value, @void, @value}, 0x50) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x100008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) sched_setscheduler(0x0, 0x2, &(0x7f0000000200)) r0 = getpid() sched_setscheduler(r0, 0x1, &(0x7f0000000100)=0x5) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000080)={0x0}, 0x18) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f04ebbee6, 0x8031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@abs={0x0, 0x0, 0x40000}, 0x6e) sendmmsg$unix(r2, &(0x7f00000bd000), 0x318, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) bpf$MAP_CREATE(0x141e000000000000, &(0x7f00000000c0)=@base={0x5, 0x3f, 0x6c03, 0xee, 0x11, 0xffffffffffffffff, 0x0, '\x00', 0x0, 0xffffffffffffffff, 0x0, 0x4000000, 0x0, 0x0, @void, @value, @void, @value}, 0x48) r3 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000040)='/proc/timer_list\x00', 0x0, 0x0) r4 = socket$inet_udp(0x2, 0x2, 0x0) bind$inet(r4, &(0x7f00000001c0)={0x2, 0x0, @local}, 0x10) sendto$inet(r3, &(0x7f0000000340), 0x0, 0x10, &(0x7f0000000000)={0x2, 0x4e20, @broadcast}, 0x10) r5 = add_key$user(0x0, &(0x7f0000000140)={'syz', 0x0}, &(0x7f0000000180)="35cb1f", 0x3, 0xfffffffffffffffd) keyctl$KEYCTL_MOVE(0x1e, r5, 0xfffffffffffffffb, 0xffffffffffffffff, 0x1) keyctl$invalidate(0x15, r5) connect$inet(r4, &(0x7f0000000480)={0x2, 0x0, @multicast2}, 0x10) program did not crash testing program (duration=1m5.193089143s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$MAP_CREATE-prlimit64-sched_setscheduler-sched_setscheduler-getpid-sched_setscheduler-bpf$BPF_RAW_TRACEPOINT_OPEN-mmap-socketpair$unix-connect$unix-sendmmsg$unix-recvmmsg-bpf$MAP_CREATE-openat$procfs-socket$inet_udp-bind$inet-sendto$inet-add_key$user-keyctl$KEYCTL_MOVE-keyctl$invalidate-sendfile detailed listing: executing program 0: bpf$MAP_CREATE(0x0, &(0x7f0000000640)=@base={0x17, 0x0, 0x0, 0xff, 0x64e00, 0x1, 0x0, '\x00', 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, @void, @value, @void, @value}, 0x50) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x100008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) sched_setscheduler(0x0, 0x2, &(0x7f0000000200)) r0 = getpid() sched_setscheduler(r0, 0x1, &(0x7f0000000100)=0x5) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000080)={0x0}, 0x18) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f04ebbee6, 0x8031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@abs={0x0, 0x0, 0x40000}, 0x6e) sendmmsg$unix(r2, &(0x7f00000bd000), 0x318, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) bpf$MAP_CREATE(0x141e000000000000, &(0x7f00000000c0)=@base={0x5, 0x3f, 0x6c03, 0xee, 0x11, 0xffffffffffffffff, 0x0, '\x00', 0x0, 0xffffffffffffffff, 0x0, 0x4000000, 0x0, 0x0, @void, @value, @void, @value}, 0x48) r3 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000040)='/proc/timer_list\x00', 0x0, 0x0) r4 = socket$inet_udp(0x2, 0x2, 0x0) bind$inet(r4, &(0x7f00000001c0)={0x2, 0x0, @local}, 0x10) sendto$inet(r3, &(0x7f0000000340), 0x0, 0x10, &(0x7f0000000000)={0x2, 0x4e20, @broadcast}, 0x10) r5 = add_key$user(0x0, &(0x7f0000000140)={'syz', 0x0}, &(0x7f0000000180)="35cb1f", 0x3, 0xfffffffffffffffd) keyctl$KEYCTL_MOVE(0x1e, r5, 0xfffffffffffffffb, 0xffffffffffffffff, 0x1) keyctl$invalidate(0x15, r5) sendfile(r4, r3, 0x0, 0x20000023893) program did not crash testing program (duration=1m5.193089143s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$MAP_CREATE-prlimit64-sched_setscheduler-sched_setscheduler-getpid-sched_setscheduler-bpf$BPF_RAW_TRACEPOINT_OPEN-mmap-socketpair$unix-connect$unix-sendmmsg$unix-recvmmsg-bpf$MAP_CREATE-openat$procfs-socket$inet_udp-bind$inet-sendto$inet-add_key$user-keyctl$KEYCTL_MOVE-connect$inet-sendfile detailed listing: executing program 0: bpf$MAP_CREATE(0x0, &(0x7f0000000640)=@base={0x17, 0x0, 0x0, 0xff, 0x64e00, 0x1, 0x0, '\x00', 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, @void, @value, @void, @value}, 0x50) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x100008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) sched_setscheduler(0x0, 0x2, &(0x7f0000000200)) r0 = getpid() sched_setscheduler(r0, 0x1, &(0x7f0000000100)=0x5) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000080)={0x0}, 0x18) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f04ebbee6, 0x8031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@abs={0x0, 0x0, 0x40000}, 0x6e) sendmmsg$unix(r2, &(0x7f00000bd000), 0x318, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) bpf$MAP_CREATE(0x141e000000000000, &(0x7f00000000c0)=@base={0x5, 0x3f, 0x6c03, 0xee, 0x11, 0xffffffffffffffff, 0x0, '\x00', 0x0, 0xffffffffffffffff, 0x0, 0x4000000, 0x0, 0x0, @void, @value, @void, @value}, 0x48) r3 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000040)='/proc/timer_list\x00', 0x0, 0x0) r4 = socket$inet_udp(0x2, 0x2, 0x0) bind$inet(r4, &(0x7f00000001c0)={0x2, 0x0, @local}, 0x10) sendto$inet(r3, &(0x7f0000000340), 0x0, 0x10, &(0x7f0000000000)={0x2, 0x4e20, @broadcast}, 0x10) r5 = add_key$user(0x0, &(0x7f0000000140)={'syz', 0x0}, &(0x7f0000000180)="35cb1f", 0x3, 0xfffffffffffffffd) keyctl$KEYCTL_MOVE(0x1e, r5, 0xfffffffffffffffb, 0xffffffffffffffff, 0x1) connect$inet(r4, &(0x7f0000000480)={0x2, 0x0, @multicast2}, 0x10) sendfile(r4, r3, 0x0, 0x20000023893) program crashed: KASAN: slab-out-of-bounds Write in skb_copy_and_csum_bits testing program (duration=1m5.193089143s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$MAP_CREATE-prlimit64-sched_setscheduler-sched_setscheduler-getpid-sched_setscheduler-bpf$BPF_RAW_TRACEPOINT_OPEN-mmap-socketpair$unix-connect$unix-sendmmsg$unix-recvmmsg-bpf$MAP_CREATE-openat$procfs-socket$inet_udp-bind$inet-sendto$inet-add_key$user-connect$inet-sendfile detailed listing: executing program 0: bpf$MAP_CREATE(0x0, &(0x7f0000000640)=@base={0x17, 0x0, 0x0, 0xff, 0x64e00, 0x1, 0x0, '\x00', 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, @void, @value, @void, @value}, 0x50) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x100008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) sched_setscheduler(0x0, 0x2, &(0x7f0000000200)) r0 = getpid() sched_setscheduler(r0, 0x1, &(0x7f0000000100)=0x5) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000080)={0x0}, 0x18) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f04ebbee6, 0x8031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@abs={0x0, 0x0, 0x40000}, 0x6e) sendmmsg$unix(r2, &(0x7f00000bd000), 0x318, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) bpf$MAP_CREATE(0x141e000000000000, &(0x7f00000000c0)=@base={0x5, 0x3f, 0x6c03, 0xee, 0x11, 0xffffffffffffffff, 0x0, '\x00', 0x0, 0xffffffffffffffff, 0x0, 0x4000000, 0x0, 0x0, @void, @value, @void, @value}, 0x48) r3 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000040)='/proc/timer_list\x00', 0x0, 0x0) r4 = socket$inet_udp(0x2, 0x2, 0x0) bind$inet(r4, &(0x7f00000001c0)={0x2, 0x0, @local}, 0x10) sendto$inet(r3, &(0x7f0000000340), 0x0, 0x10, &(0x7f0000000000)={0x2, 0x4e20, @broadcast}, 0x10) add_key$user(0x0, &(0x7f0000000140)={'syz', 0x0}, &(0x7f0000000180)="35cb1f", 0x3, 0xfffffffffffffffd) connect$inet(r4, &(0x7f0000000480)={0x2, 0x0, @multicast2}, 0x10) sendfile(r4, r3, 0x0, 0x20000023893) program crashed: general protection fault in put_page testing program (duration=1m5.193089143s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$MAP_CREATE-prlimit64-sched_setscheduler-sched_setscheduler-getpid-sched_setscheduler-bpf$BPF_RAW_TRACEPOINT_OPEN-mmap-socketpair$unix-connect$unix-sendmmsg$unix-recvmmsg-bpf$MAP_CREATE-openat$procfs-socket$inet_udp-bind$inet-sendto$inet-connect$inet-sendfile detailed listing: executing program 0: bpf$MAP_CREATE(0x0, &(0x7f0000000640)=@base={0x17, 0x0, 0x0, 0xff, 0x64e00, 0x1, 0x0, '\x00', 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, @void, @value, @void, @value}, 0x50) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x100008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) sched_setscheduler(0x0, 0x2, &(0x7f0000000200)) r0 = getpid() sched_setscheduler(r0, 0x1, &(0x7f0000000100)=0x5) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000080)={0x0}, 0x18) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f04ebbee6, 0x8031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@abs={0x0, 0x0, 0x40000}, 0x6e) sendmmsg$unix(r2, &(0x7f00000bd000), 0x318, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) bpf$MAP_CREATE(0x141e000000000000, &(0x7f00000000c0)=@base={0x5, 0x3f, 0x6c03, 0xee, 0x11, 0xffffffffffffffff, 0x0, '\x00', 0x0, 0xffffffffffffffff, 0x0, 0x4000000, 0x0, 0x0, @void, @value, @void, @value}, 0x48) r3 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000040)='/proc/timer_list\x00', 0x0, 0x0) r4 = socket$inet_udp(0x2, 0x2, 0x0) bind$inet(r4, &(0x7f00000001c0)={0x2, 0x0, @local}, 0x10) sendto$inet(r3, &(0x7f0000000340), 0x0, 0x10, &(0x7f0000000000)={0x2, 0x4e20, @broadcast}, 0x10) connect$inet(r4, &(0x7f0000000480)={0x2, 0x0, @multicast2}, 0x10) sendfile(r4, r3, 0x0, 0x20000023893) program crashed: WARNING in skb_release_data testing program (duration=1m5.193089143s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$MAP_CREATE-prlimit64-sched_setscheduler-sched_setscheduler-getpid-sched_setscheduler-bpf$BPF_RAW_TRACEPOINT_OPEN-mmap-socketpair$unix-connect$unix-sendmmsg$unix-recvmmsg-bpf$MAP_CREATE-openat$procfs-socket$inet_udp-bind$inet-connect$inet-sendfile detailed listing: executing program 0: bpf$MAP_CREATE(0x0, &(0x7f0000000640)=@base={0x17, 0x0, 0x0, 0xff, 0x64e00, 0x1, 0x0, '\x00', 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, @void, @value, @void, @value}, 0x50) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x100008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) sched_setscheduler(0x0, 0x2, &(0x7f0000000200)) r0 = getpid() sched_setscheduler(r0, 0x1, &(0x7f0000000100)=0x5) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000080)={0x0}, 0x18) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f04ebbee6, 0x8031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@abs={0x0, 0x0, 0x40000}, 0x6e) sendmmsg$unix(r2, &(0x7f00000bd000), 0x318, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) bpf$MAP_CREATE(0x141e000000000000, &(0x7f00000000c0)=@base={0x5, 0x3f, 0x6c03, 0xee, 0x11, 0xffffffffffffffff, 0x0, '\x00', 0x0, 0xffffffffffffffff, 0x0, 0x4000000, 0x0, 0x0, @void, @value, @void, @value}, 0x48) r3 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000040)='/proc/timer_list\x00', 0x0, 0x0) r4 = socket$inet_udp(0x2, 0x2, 0x0) bind$inet(r4, &(0x7f00000001c0)={0x2, 0x0, @local}, 0x10) connect$inet(r4, &(0x7f0000000480)={0x2, 0x0, @multicast2}, 0x10) sendfile(r4, r3, 0x0, 0x20000023893) program crashed: KASAN: slab-out-of-bounds Write in skb_copy_and_csum_bits testing program (duration=1m5.193089143s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$MAP_CREATE-prlimit64-sched_setscheduler-sched_setscheduler-getpid-sched_setscheduler-bpf$BPF_RAW_TRACEPOINT_OPEN-mmap-socketpair$unix-connect$unix-sendmmsg$unix-recvmmsg-bpf$MAP_CREATE-openat$procfs-socket$inet_udp-connect$inet-sendfile detailed listing: executing program 0: bpf$MAP_CREATE(0x0, &(0x7f0000000640)=@base={0x17, 0x0, 0x0, 0xff, 0x64e00, 0x1, 0x0, '\x00', 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, @void, @value, @void, @value}, 0x50) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x100008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) sched_setscheduler(0x0, 0x2, &(0x7f0000000200)) r0 = getpid() sched_setscheduler(r0, 0x1, &(0x7f0000000100)=0x5) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000080)={0x0}, 0x18) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f04ebbee6, 0x8031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@abs={0x0, 0x0, 0x40000}, 0x6e) sendmmsg$unix(r2, &(0x7f00000bd000), 0x318, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) bpf$MAP_CREATE(0x141e000000000000, &(0x7f00000000c0)=@base={0x5, 0x3f, 0x6c03, 0xee, 0x11, 0xffffffffffffffff, 0x0, '\x00', 0x0, 0xffffffffffffffff, 0x0, 0x4000000, 0x0, 0x0, @void, @value, @void, @value}, 0x48) r3 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000040)='/proc/timer_list\x00', 0x0, 0x0) r4 = socket$inet_udp(0x2, 0x2, 0x0) connect$inet(r4, &(0x7f0000000480)={0x2, 0x0, @multicast2}, 0x10) sendfile(r4, r3, 0x0, 0x20000023893) program did not crash testing program (duration=1m5.193089143s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$MAP_CREATE-prlimit64-sched_setscheduler-sched_setscheduler-getpid-sched_setscheduler-bpf$BPF_RAW_TRACEPOINT_OPEN-mmap-socketpair$unix-connect$unix-sendmmsg$unix-recvmmsg-bpf$MAP_CREATE-openat$procfs-bind$inet-connect$inet-sendfile detailed listing: executing program 0: bpf$MAP_CREATE(0x0, &(0x7f0000000640)=@base={0x17, 0x0, 0x0, 0xff, 0x64e00, 0x1, 0x0, '\x00', 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, @void, @value, @void, @value}, 0x50) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x100008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) sched_setscheduler(0x0, 0x2, &(0x7f0000000200)) r0 = getpid() sched_setscheduler(r0, 0x1, &(0x7f0000000100)=0x5) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000080)={0x0}, 0x18) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f04ebbee6, 0x8031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@abs={0x0, 0x0, 0x40000}, 0x6e) sendmmsg$unix(r2, &(0x7f00000bd000), 0x318, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) bpf$MAP_CREATE(0x141e000000000000, &(0x7f00000000c0)=@base={0x5, 0x3f, 0x6c03, 0xee, 0x11, 0xffffffffffffffff, 0x0, '\x00', 0x0, 0xffffffffffffffff, 0x0, 0x4000000, 0x0, 0x0, @void, @value, @void, @value}, 0x48) r3 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000040)='/proc/timer_list\x00', 0x0, 0x0) bind$inet(0xffffffffffffffff, &(0x7f00000001c0)={0x2, 0x0, @local}, 0x10) connect$inet(0xffffffffffffffff, &(0x7f0000000480)={0x2, 0x0, @multicast2}, 0x10) sendfile(0xffffffffffffffff, r3, 0x0, 0x20000023893) program did not crash testing program (duration=1m5.193089143s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$MAP_CREATE-prlimit64-sched_setscheduler-sched_setscheduler-getpid-sched_setscheduler-bpf$BPF_RAW_TRACEPOINT_OPEN-mmap-socketpair$unix-connect$unix-sendmmsg$unix-recvmmsg-bpf$MAP_CREATE-socket$inet_udp-bind$inet-connect$inet-sendfile detailed listing: executing program 0: bpf$MAP_CREATE(0x0, &(0x7f0000000640)=@base={0x17, 0x0, 0x0, 0xff, 0x64e00, 0x1, 0x0, '\x00', 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, @void, @value, @void, @value}, 0x50) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x100008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) sched_setscheduler(0x0, 0x2, &(0x7f0000000200)) r0 = getpid() sched_setscheduler(r0, 0x1, &(0x7f0000000100)=0x5) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000080)={0x0}, 0x18) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f04ebbee6, 0x8031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@abs={0x0, 0x0, 0x40000}, 0x6e) sendmmsg$unix(r2, &(0x7f00000bd000), 0x318, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) bpf$MAP_CREATE(0x141e000000000000, &(0x7f00000000c0)=@base={0x5, 0x3f, 0x6c03, 0xee, 0x11, 0xffffffffffffffff, 0x0, '\x00', 0x0, 0xffffffffffffffff, 0x0, 0x4000000, 0x0, 0x0, @void, @value, @void, @value}, 0x48) r3 = socket$inet_udp(0x2, 0x2, 0x0) bind$inet(r3, &(0x7f00000001c0)={0x2, 0x0, @local}, 0x10) connect$inet(r3, &(0x7f0000000480)={0x2, 0x0, @multicast2}, 0x10) sendfile(r3, 0xffffffffffffffff, 0x0, 0x20000023893) program did not crash testing program (duration=1m5.193089143s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$MAP_CREATE-prlimit64-sched_setscheduler-sched_setscheduler-getpid-sched_setscheduler-bpf$BPF_RAW_TRACEPOINT_OPEN-mmap-socketpair$unix-connect$unix-sendmmsg$unix-recvmmsg-openat$procfs-socket$inet_udp-bind$inet-connect$inet-sendfile detailed listing: executing program 0: bpf$MAP_CREATE(0x0, &(0x7f0000000640)=@base={0x17, 0x0, 0x0, 0xff, 0x64e00, 0x1, 0x0, '\x00', 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, @void, @value, @void, @value}, 0x50) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x100008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) sched_setscheduler(0x0, 0x2, &(0x7f0000000200)) r0 = getpid() sched_setscheduler(r0, 0x1, &(0x7f0000000100)=0x5) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000080)={0x0}, 0x18) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f04ebbee6, 0x8031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@abs={0x0, 0x0, 0x40000}, 0x6e) sendmmsg$unix(r2, &(0x7f00000bd000), 0x318, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) r3 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000040)='/proc/timer_list\x00', 0x0, 0x0) r4 = socket$inet_udp(0x2, 0x2, 0x0) bind$inet(r4, &(0x7f00000001c0)={0x2, 0x0, @local}, 0x10) connect$inet(r4, &(0x7f0000000480)={0x2, 0x0, @multicast2}, 0x10) sendfile(r4, r3, 0x0, 0x20000023893) program crashed: KASAN: slab-out-of-bounds Write in skb_copy_and_csum_bits testing program (duration=1m5.193089143s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$MAP_CREATE-prlimit64-sched_setscheduler-sched_setscheduler-getpid-sched_setscheduler-bpf$BPF_RAW_TRACEPOINT_OPEN-mmap-socketpair$unix-connect$unix-sendmmsg$unix-openat$procfs-socket$inet_udp-bind$inet-connect$inet-sendfile detailed listing: executing program 0: bpf$MAP_CREATE(0x0, &(0x7f0000000640)=@base={0x17, 0x0, 0x0, 0xff, 0x64e00, 0x1, 0x0, '\x00', 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, @void, @value, @void, @value}, 0x50) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x100008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) sched_setscheduler(0x0, 0x2, &(0x7f0000000200)) r0 = getpid() sched_setscheduler(r0, 0x1, &(0x7f0000000100)=0x5) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000080)={0x0}, 0x18) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f04ebbee6, 0x8031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@abs={0x0, 0x0, 0x40000}, 0x6e) sendmmsg$unix(r2, &(0x7f00000bd000), 0x318, 0x0) r3 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000040)='/proc/timer_list\x00', 0x0, 0x0) r4 = socket$inet_udp(0x2, 0x2, 0x0) bind$inet(r4, &(0x7f00000001c0)={0x2, 0x0, @local}, 0x10) connect$inet(r4, &(0x7f0000000480)={0x2, 0x0, @multicast2}, 0x10) sendfile(r4, r3, 0x0, 0x20000023893) program crashed: general protection fault in __skb_frag_ref testing program (duration=1m5.193089143s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$MAP_CREATE-prlimit64-sched_setscheduler-sched_setscheduler-getpid-sched_setscheduler-bpf$BPF_RAW_TRACEPOINT_OPEN-mmap-socketpair$unix-connect$unix-openat$procfs-socket$inet_udp-bind$inet-connect$inet-sendfile detailed listing: executing program 0: bpf$MAP_CREATE(0x0, &(0x7f0000000640)=@base={0x17, 0x0, 0x0, 0xff, 0x64e00, 0x1, 0x0, '\x00', 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, @void, @value, @void, @value}, 0x50) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x100008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) sched_setscheduler(0x0, 0x2, &(0x7f0000000200)) r0 = getpid() sched_setscheduler(r0, 0x1, &(0x7f0000000100)=0x5) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000080)={0x0}, 0x18) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f04ebbee6, 0x8031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000300)={0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@abs={0x0, 0x0, 0x40000}, 0x6e) r2 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000040)='/proc/timer_list\x00', 0x0, 0x0) r3 = socket$inet_udp(0x2, 0x2, 0x0) bind$inet(r3, &(0x7f00000001c0)={0x2, 0x0, @local}, 0x10) connect$inet(r3, &(0x7f0000000480)={0x2, 0x0, @multicast2}, 0x10) sendfile(r3, r2, 0x0, 0x20000023893) program crashed: general protection fault in skb_release_data testing program (duration=1m5.193089143s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$MAP_CREATE-prlimit64-sched_setscheduler-sched_setscheduler-getpid-sched_setscheduler-bpf$BPF_RAW_TRACEPOINT_OPEN-mmap-socketpair$unix-openat$procfs-socket$inet_udp-bind$inet-connect$inet-sendfile detailed listing: executing program 0: bpf$MAP_CREATE(0x0, &(0x7f0000000640)=@base={0x17, 0x0, 0x0, 0xff, 0x64e00, 0x1, 0x0, '\x00', 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, @void, @value, @void, @value}, 0x50) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x100008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) sched_setscheduler(0x0, 0x2, &(0x7f0000000200)) r0 = getpid() sched_setscheduler(r0, 0x1, &(0x7f0000000100)=0x5) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000080)={0x0}, 0x18) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f04ebbee6, 0x8031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000300)) r1 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000040)='/proc/timer_list\x00', 0x0, 0x0) r2 = socket$inet_udp(0x2, 0x2, 0x0) bind$inet(r2, &(0x7f00000001c0)={0x2, 0x0, @local}, 0x10) connect$inet(r2, &(0x7f0000000480)={0x2, 0x0, @multicast2}, 0x10) sendfile(r2, r1, 0x0, 0x20000023893) program crashed: KASAN: slab-out-of-bounds Write in skb_copy_and_csum_bits testing program (duration=1m5.193089143s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$MAP_CREATE-prlimit64-sched_setscheduler-sched_setscheduler-getpid-sched_setscheduler-bpf$BPF_RAW_TRACEPOINT_OPEN-mmap-openat$procfs-socket$inet_udp-bind$inet-connect$inet-sendfile detailed listing: executing program 0: bpf$MAP_CREATE(0x0, &(0x7f0000000640)=@base={0x17, 0x0, 0x0, 0xff, 0x64e00, 0x1, 0x0, '\x00', 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, @void, @value, @void, @value}, 0x50) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x100008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) sched_setscheduler(0x0, 0x2, &(0x7f0000000200)) r0 = getpid() sched_setscheduler(r0, 0x1, &(0x7f0000000100)=0x5) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000080)={0x0}, 0x18) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f04ebbee6, 0x8031, 0xffffffffffffffff, 0x0) r1 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000040)='/proc/timer_list\x00', 0x0, 0x0) r2 = socket$inet_udp(0x2, 0x2, 0x0) bind$inet(r2, &(0x7f00000001c0)={0x2, 0x0, @local}, 0x10) connect$inet(r2, &(0x7f0000000480)={0x2, 0x0, @multicast2}, 0x10) sendfile(r2, r1, 0x0, 0x20000023893) program crashed: general protection fault in __skb_frag_ref testing program (duration=1m5.193089143s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$MAP_CREATE-prlimit64-sched_setscheduler-sched_setscheduler-getpid-sched_setscheduler-bpf$BPF_RAW_TRACEPOINT_OPEN-openat$procfs-socket$inet_udp-bind$inet-connect$inet-sendfile detailed listing: executing program 0: bpf$MAP_CREATE(0x0, &(0x7f0000000640)=@base={0x17, 0x0, 0x0, 0xff, 0x64e00, 0x1, 0x0, '\x00', 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, @void, @value, @void, @value}, 0x50) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x100008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) sched_setscheduler(0x0, 0x2, &(0x7f0000000200)) r0 = getpid() sched_setscheduler(r0, 0x1, &(0x7f0000000100)=0x5) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000080)={0x0}, 0x18) r1 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000040)='/proc/timer_list\x00', 0x0, 0x0) r2 = socket$inet_udp(0x2, 0x2, 0x0) bind$inet(r2, &(0x7f00000001c0)={0x2, 0x0, @local}, 0x10) connect$inet(r2, &(0x7f0000000480)={0x2, 0x0, @multicast2}, 0x10) sendfile(r2, r1, 0x0, 0x20000023893) program crashed: general protection fault in put_page testing program (duration=1m5.193089143s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$MAP_CREATE-prlimit64-sched_setscheduler-sched_setscheduler-getpid-sched_setscheduler-openat$procfs-socket$inet_udp-bind$inet-connect$inet-sendfile detailed listing: executing program 0: bpf$MAP_CREATE(0x0, &(0x7f0000000640)=@base={0x17, 0x0, 0x0, 0xff, 0x64e00, 0x1, 0x0, '\x00', 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, @void, @value, @void, @value}, 0x50) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x100008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) sched_setscheduler(0x0, 0x2, &(0x7f0000000200)) r0 = getpid() sched_setscheduler(r0, 0x1, &(0x7f0000000100)=0x5) r1 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000040)='/proc/timer_list\x00', 0x0, 0x0) r2 = socket$inet_udp(0x2, 0x2, 0x0) bind$inet(r2, &(0x7f00000001c0)={0x2, 0x0, @local}, 0x10) connect$inet(r2, &(0x7f0000000480)={0x2, 0x0, @multicast2}, 0x10) sendfile(r2, r1, 0x0, 0x20000023893) program crashed: KASAN: slab-out-of-bounds Write in skb_copy_and_csum_bits testing program (duration=1m5.193089143s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$MAP_CREATE-prlimit64-sched_setscheduler-sched_setscheduler-getpid-openat$procfs-socket$inet_udp-bind$inet-connect$inet-sendfile detailed listing: executing program 0: bpf$MAP_CREATE(0x0, &(0x7f0000000640)=@base={0x17, 0x0, 0x0, 0xff, 0x64e00, 0x1, 0x0, '\x00', 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, @void, @value, @void, @value}, 0x50) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x100008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) sched_setscheduler(0x0, 0x2, &(0x7f0000000200)) getpid() r0 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000040)='/proc/timer_list\x00', 0x0, 0x0) r1 = socket$inet_udp(0x2, 0x2, 0x0) bind$inet(r1, &(0x7f00000001c0)={0x2, 0x0, @local}, 0x10) connect$inet(r1, &(0x7f0000000480)={0x2, 0x0, @multicast2}, 0x10) sendfile(r1, r0, 0x0, 0x20000023893) program crashed: KASAN: slab-out-of-bounds Write in skb_copy_and_csum_bits testing program (duration=1m5.193089143s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$MAP_CREATE-prlimit64-sched_setscheduler-sched_setscheduler-openat$procfs-socket$inet_udp-bind$inet-connect$inet-sendfile detailed listing: executing program 0: bpf$MAP_CREATE(0x0, &(0x7f0000000640)=@base={0x17, 0x0, 0x0, 0xff, 0x64e00, 0x1, 0x0, '\x00', 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, @void, @value, @void, @value}, 0x50) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x100008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) sched_setscheduler(0x0, 0x2, &(0x7f0000000200)) r0 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000040)='/proc/timer_list\x00', 0x0, 0x0) r1 = socket$inet_udp(0x2, 0x2, 0x0) bind$inet(r1, &(0x7f00000001c0)={0x2, 0x0, @local}, 0x10) connect$inet(r1, &(0x7f0000000480)={0x2, 0x0, @multicast2}, 0x10) sendfile(r1, r0, 0x0, 0x20000023893) program crashed: KASAN: slab-out-of-bounds Write in skb_copy_and_csum_bits testing program (duration=1m5.193089143s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$MAP_CREATE-prlimit64-sched_setscheduler-openat$procfs-socket$inet_udp-bind$inet-connect$inet-sendfile detailed listing: executing program 0: bpf$MAP_CREATE(0x0, &(0x7f0000000640)=@base={0x17, 0x0, 0x0, 0xff, 0x64e00, 0x1, 0x0, '\x00', 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, @void, @value, @void, @value}, 0x50) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x100008b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) r0 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000040)='/proc/timer_list\x00', 0x0, 0x0) r1 = socket$inet_udp(0x2, 0x2, 0x0) bind$inet(r1, &(0x7f00000001c0)={0x2, 0x0, @local}, 0x10) connect$inet(r1, &(0x7f0000000480)={0x2, 0x0, @multicast2}, 0x10) sendfile(r1, r0, 0x0, 0x20000023893) program crashed: general protection fault in put_page testing program (duration=1m5.193089143s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$MAP_CREATE-prlimit64-openat$procfs-socket$inet_udp-bind$inet-connect$inet-sendfile detailed listing: executing program 0: bpf$MAP_CREATE(0x0, &(0x7f0000000640)=@base={0x17, 0x0, 0x0, 0xff, 0x64e00, 0x1, 0x0, '\x00', 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, @void, @value, @void, @value}, 0x50) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x100008b}, 0x0) r0 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000040)='/proc/timer_list\x00', 0x0, 0x0) r1 = socket$inet_udp(0x2, 0x2, 0x0) bind$inet(r1, &(0x7f00000001c0)={0x2, 0x0, @local}, 0x10) connect$inet(r1, &(0x7f0000000480)={0x2, 0x0, @multicast2}, 0x10) sendfile(r1, r0, 0x0, 0x20000023893) program crashed: KASAN: slab-out-of-bounds Write in skb_copy_and_csum_bits testing program (duration=1m5.193089143s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$MAP_CREATE-openat$procfs-socket$inet_udp-bind$inet-connect$inet-sendfile detailed listing: executing program 0: bpf$MAP_CREATE(0x0, &(0x7f0000000640)=@base={0x17, 0x0, 0x0, 0xff, 0x64e00, 0x1, 0x0, '\x00', 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, @void, @value, @void, @value}, 0x50) r0 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000040)='/proc/timer_list\x00', 0x0, 0x0) r1 = socket$inet_udp(0x2, 0x2, 0x0) bind$inet(r1, &(0x7f00000001c0)={0x2, 0x0, @local}, 0x10) connect$inet(r1, &(0x7f0000000480)={0x2, 0x0, @multicast2}, 0x10) sendfile(r1, r0, 0x0, 0x20000023893) program crashed: KASAN: slab-out-of-bounds Write in skb_copy_and_csum_bits testing program (duration=1m5.193089143s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$procfs-socket$inet_udp-bind$inet-connect$inet-sendfile detailed listing: executing program 0: r0 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000040)='/proc/timer_list\x00', 0x0, 0x0) r1 = socket$inet_udp(0x2, 0x2, 0x0) bind$inet(r1, &(0x7f00000001c0)={0x2, 0x0, @local}, 0x10) connect$inet(r1, &(0x7f0000000480)={0x2, 0x0, @multicast2}, 0x10) sendfile(r1, r0, 0x0, 0x20000023893) program crashed: general protection fault in put_page testing program (duration=1m5.193089143s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$procfs-socket$inet_udp-bind$inet-connect$inet-sendfile detailed listing: executing program 0: r0 = openat$procfs(0xffffffffffffff9c, 0x0, 0x0, 0x0) r1 = socket$inet_udp(0x2, 0x2, 0x0) bind$inet(r1, &(0x7f00000001c0)={0x2, 0x0, @local}, 0x10) connect$inet(r1, &(0x7f0000000480)={0x2, 0x0, @multicast2}, 0x10) sendfile(r1, r0, 0x0, 0x20000023893) program did not crash testing program (duration=1m5.193089143s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$procfs-socket$inet_udp-bind$inet-connect$inet-sendfile detailed listing: executing program 0: r0 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000040)='/proc/timer_list\x00', 0x0, 0x0) r1 = socket$inet_udp(0x2, 0x2, 0x0) bind$inet(r1, 0x0, 0x0) connect$inet(r1, &(0x7f0000000480)={0x2, 0x0, @multicast2}, 0x10) sendfile(r1, r0, 0x0, 0x20000023893) program did not crash testing program (duration=1m5.193089143s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$procfs-socket$inet_udp-bind$inet-connect$inet-sendfile detailed listing: executing program 0: r0 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000040)='/proc/timer_list\x00', 0x0, 0x0) r1 = socket$inet_udp(0x2, 0x2, 0x0) bind$inet(r1, &(0x7f00000001c0)={0x2, 0x0, @local}, 0x10) connect$inet(r1, 0x0, 0x0) sendfile(r1, r0, 0x0, 0x20000023893) program did not crash extracting C reproducer testing compiled C program (duration=1m5.193089143s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$procfs-socket$inet_udp-bind$inet-connect$inet-sendfile program crashed: KASAN: slab-out-of-bounds Write in skb_copy_and_csum_bits simplifying C reproducer testing compiled C program (duration=1m5.193089143s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$procfs-socket$inet_udp-bind$inet-connect$inet-sendfile program crashed: KASAN: slab-out-of-bounds Write in skb_copy_and_csum_bits testing compiled C program (duration=1m5.193089143s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$procfs-socket$inet_udp-bind$inet-connect$inet-sendfile program crashed: general protection fault in put_page testing compiled C program (duration=1m5.193089143s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$procfs-socket$inet_udp-bind$inet-connect$inet-sendfile program crashed: general protection fault in put_page testing compiled C program (duration=1m5.193089143s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$procfs-socket$inet_udp-bind$inet-connect$inet-sendfile program crashed: general protection fault in put_page testing compiled C program (duration=1m5.193089143s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$procfs-socket$inet_udp-bind$inet-connect$inet-sendfile program crashed: KASAN: slab-out-of-bounds Write in skb_copy_and_csum_bits testing compiled C program (duration=1m5.193089143s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$procfs-socket$inet_udp-bind$inet-connect$inet-sendfile program crashed: KASAN: slab-out-of-bounds Write in skb_copy_and_csum_bits testing compiled C program (duration=1m5.193089143s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$procfs-socket$inet_udp-bind$inet-connect$inet-sendfile program crashed: general protection fault in put_page reproducing took 29m36.512444172s repro crashed as (corrupted=false): Oops: general protection fault, probably for non-canonical address 0xdffffc0000000001: 0000 [#1] PREEMPT SMP KASAN PTI KASAN: null-ptr-deref in range [0x0000000000000008-0x000000000000000f] CPU: 0 UID: 0 PID: 5910 Comm: syz-executor187 Not tainted 6.12.0-rc5-next-20241031-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 RIP: 0010:_compound_head include/linux/page-flags.h:242 [inline] RIP: 0010:put_page+0x23/0x260 include/linux/mm.h:1552 Code: 90 90 90 90 90 90 90 55 41 57 41 56 53 49 89 fe 48 bd 00 00 00 00 00 fc ff df e8 d8 ae 0d f8 49 8d 5e 08 48 89 d8 48 c1 e8 03 <80> 3c 28 00 74 08 48 89 df e8 5f e5 77 f8 48 8b 1b 48 89 de 48 83 RSP: 0018:ffffc900041570a8 EFLAGS: 00010202 RAX: 0000000000000001 RBX: 0000000000000008 RCX: ffff888034651e00 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: dffffc0000000000 R08: ffffffff898706fd R09: 1ffffffff203a076 R10: dffffc0000000000 R11: fffffbfff203a077 R12: 0000000000000000 R13: ffff88807a882242 R14: 0000000000000000 R15: 0000000000000000 FS: 00005555748b5380(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f8af2d270d0 CR3: 000000007e660000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: skb_page_unref include/linux/skbuff_ref.h:43 [inline] __skb_frag_unref include/linux/skbuff_ref.h:56 [inline] skb_release_data+0x483/0x8a0 net/core/skbuff.c:1119 skb_release_all net/core/skbuff.c:1190 [inline] __kfree_skb net/core/skbuff.c:1204 [inline] sk_skb_reason_drop+0x1c9/0x380 net/core/skbuff.c:1242 kfree_skb_reason include/linux/skbuff.h:1262 [inline] kfree_skb include/linux/skbuff.h:1271 [inline] __ip_flush_pending_frames net/ipv4/ip_output.c:1538 [inline] ip_flush_pending_frames+0x12d/0x260 net/ipv4/ip_output.c:1545 udp_flush_pending_frames net/ipv4/udp.c:829 [inline] udp_sendmsg+0x5d2/0x2a50 net/ipv4/udp.c:1302 sock_sendmsg_nosec net/socket.c:729 [inline] __sock_sendmsg+0x1a6/0x270 net/socket.c:744 sock_sendmsg+0x134/0x200 net/socket.c:767 splice_to_socket+0xa10/0x10b0 fs/splice.c:889 do_splice_from fs/splice.c:941 [inline] direct_splice_actor+0x11b/0x220 fs/splice.c:1164 splice_direct_to_actor+0x586/0xc80 fs/splice.c:1108 do_splice_direct_actor fs/splice.c:1207 [inline] do_splice_direct+0x289/0x3e0 fs/splice.c:1233 do_sendfile+0x561/0xe10 fs/read_write.c:1388 __do_sys_sendfile64 fs/read_write.c:1455 [inline] __se_sys_sendfile64+0x17c/0x1e0 fs/read_write.c:1441 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f8af2cb0ab9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffc7fbd44a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f8af2cb0ab9 RDX: 0000000000000000 RSI: 0000000000000003 RDI: 0000000000000004 RBP: 0000000000042acb R08: 0000000000000006 R09: 0000000000000006 R10: 0000020000023893 R11: 0000000000000246 R12: 00007ffc7fbd44bc R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:_compound_head include/linux/page-flags.h:242 [inline] RIP: 0010:put_page+0x23/0x260 include/linux/mm.h:1552 Code: 90 90 90 90 90 90 90 55 41 57 41 56 53 49 89 fe 48 bd 00 00 00 00 00 fc ff df e8 d8 ae 0d f8 49 8d 5e 08 48 89 d8 48 c1 e8 03 <80> 3c 28 00 74 08 48 89 df e8 5f e5 77 f8 48 8b 1b 48 89 de 48 83 RSP: 0018:ffffc900041570a8 EFLAGS: 00010202 RAX: 0000000000000001 RBX: 0000000000000008 RCX: ffff888034651e00 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: dffffc0000000000 R08: ffffffff898706fd R09: 1ffffffff203a076 R10: dffffc0000000000 R11: fffffbfff203a077 R12: 0000000000000000 R13: ffff88807a882242 R14: 0000000000000000 R15: 0000000000000000 FS: 00005555748b5380(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00005555748b5ca8 CR3: 000000007e660000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: 90 nop 1: 90 nop 2: 90 nop 3: 90 nop 4: 90 nop 5: 90 nop 6: 90 nop 7: 55 push %rbp 8: 41 57 push %r15 a: 41 56 push %r14 c: 53 push %rbx d: 49 89 fe mov %rdi,%r14 10: 48 bd 00 00 00 00 00 movabs $0xdffffc0000000000,%rbp 17: fc ff df 1a: e8 d8 ae 0d f8 call 0xf80daef7 1f: 49 8d 5e 08 lea 0x8(%r14),%rbx 23: 48 89 d8 mov %rbx,%rax 26: 48 c1 e8 03 shr $0x3,%rax * 2a: 80 3c 28 00 cmpb $0x0,(%rax,%rbp,1) <-- trapping instruction 2e: 74 08 je 0x38 30: 48 89 df mov %rbx,%rdi 33: e8 5f e5 77 f8 call 0xf877e597 38: 48 8b 1b mov (%rbx),%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 0xdffffc0000000001: 0000 [#1] PREEMPT SMP KASAN PTI KASAN: null-ptr-deref in range [0x0000000000000008-0x000000000000000f] CPU: 0 UID: 0 PID: 5910 Comm: syz-executor187 Not tainted 6.12.0-rc5-next-20241031-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 RIP: 0010:_compound_head include/linux/page-flags.h:242 [inline] RIP: 0010:put_page+0x23/0x260 include/linux/mm.h:1552 Code: 90 90 90 90 90 90 90 55 41 57 41 56 53 49 89 fe 48 bd 00 00 00 00 00 fc ff df e8 d8 ae 0d f8 49 8d 5e 08 48 89 d8 48 c1 e8 03 <80> 3c 28 00 74 08 48 89 df e8 5f e5 77 f8 48 8b 1b 48 89 de 48 83 RSP: 0018:ffffc900041570a8 EFLAGS: 00010202 RAX: 0000000000000001 RBX: 0000000000000008 RCX: ffff888034651e00 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: dffffc0000000000 R08: ffffffff898706fd R09: 1ffffffff203a076 R10: dffffc0000000000 R11: fffffbfff203a077 R12: 0000000000000000 R13: ffff88807a882242 R14: 0000000000000000 R15: 0000000000000000 FS: 00005555748b5380(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f8af2d270d0 CR3: 000000007e660000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: skb_page_unref include/linux/skbuff_ref.h:43 [inline] __skb_frag_unref include/linux/skbuff_ref.h:56 [inline] skb_release_data+0x483/0x8a0 net/core/skbuff.c:1119 skb_release_all net/core/skbuff.c:1190 [inline] __kfree_skb net/core/skbuff.c:1204 [inline] sk_skb_reason_drop+0x1c9/0x380 net/core/skbuff.c:1242 kfree_skb_reason include/linux/skbuff.h:1262 [inline] kfree_skb include/linux/skbuff.h:1271 [inline] __ip_flush_pending_frames net/ipv4/ip_output.c:1538 [inline] ip_flush_pending_frames+0x12d/0x260 net/ipv4/ip_output.c:1545 udp_flush_pending_frames net/ipv4/udp.c:829 [inline] udp_sendmsg+0x5d2/0x2a50 net/ipv4/udp.c:1302 sock_sendmsg_nosec net/socket.c:729 [inline] __sock_sendmsg+0x1a6/0x270 net/socket.c:744 sock_sendmsg+0x134/0x200 net/socket.c:767 splice_to_socket+0xa10/0x10b0 fs/splice.c:889 do_splice_from fs/splice.c:941 [inline] direct_splice_actor+0x11b/0x220 fs/splice.c:1164 splice_direct_to_actor+0x586/0xc80 fs/splice.c:1108 do_splice_direct_actor fs/splice.c:1207 [inline] do_splice_direct+0x289/0x3e0 fs/splice.c:1233 do_sendfile+0x561/0xe10 fs/read_write.c:1388 __do_sys_sendfile64 fs/read_write.c:1455 [inline] __se_sys_sendfile64+0x17c/0x1e0 fs/read_write.c:1441 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f8af2cb0ab9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffc7fbd44a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f8af2cb0ab9 RDX: 0000000000000000 RSI: 0000000000000003 RDI: 0000000000000004 RBP: 0000000000042acb R08: 0000000000000006 R09: 0000000000000006 R10: 0000020000023893 R11: 0000000000000246 R12: 00007ffc7fbd44bc R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:_compound_head include/linux/page-flags.h:242 [inline] RIP: 0010:put_page+0x23/0x260 include/linux/mm.h:1552 Code: 90 90 90 90 90 90 90 55 41 57 41 56 53 49 89 fe 48 bd 00 00 00 00 00 fc ff df e8 d8 ae 0d f8 49 8d 5e 08 48 89 d8 48 c1 e8 03 <80> 3c 28 00 74 08 48 89 df e8 5f e5 77 f8 48 8b 1b 48 89 de 48 83 RSP: 0018:ffffc900041570a8 EFLAGS: 00010202 RAX: 0000000000000001 RBX: 0000000000000008 RCX: ffff888034651e00 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: dffffc0000000000 R08: ffffffff898706fd R09: 1ffffffff203a076 R10: dffffc0000000000 R11: fffffbfff203a077 R12: 0000000000000000 R13: ffff88807a882242 R14: 0000000000000000 R15: 0000000000000000 FS: 00005555748b5380(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00005555748b5ca8 CR3: 000000007e660000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: 90 nop 1: 90 nop 2: 90 nop 3: 90 nop 4: 90 nop 5: 90 nop 6: 90 nop 7: 55 push %rbp 8: 41 57 push %r15 a: 41 56 push %r14 c: 53 push %rbx d: 49 89 fe mov %rdi,%r14 10: 48 bd 00 00 00 00 00 movabs $0xdffffc0000000000,%rbp 17: fc ff df 1a: e8 d8 ae 0d f8 call 0xf80daef7 1f: 49 8d 5e 08 lea 0x8(%r14),%rbx 23: 48 89 d8 mov %rbx,%rax 26: 48 c1 e8 03 shr $0x3,%rax * 2a: 80 3c 28 00 cmpb $0x0,(%rax,%rbp,1) <-- trapping instruction 2e: 74 08 je 0x38 30: 48 89 df mov %rbx,%rdi 33: e8 5f e5 77 f8 call 0xf877e597 38: 48 8b 1b mov (%rbx),%rbx 3b: 48 89 de mov %rbx,%rsi 3e: 48 rex.W 3f: 83 .byte 0x83