Extracting prog: 2m10.063107798s Minimizing prog: 18m45.547594536s Simplifying prog options: 0s Extracting C: 2m45.332804663s Simplifying C: 25m12.557515864s extracting reproducer from 30 programs testing a last program of every proc single: executing 5 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet-connect$inet-listen-socket$nl_netfilter-sendmsg$NFT_BATCH-sendmsg$NFT_BATCH-setsockopt$inet_opts-accept4-setsockopt$inet_sctp_SCTP_DEFAULT_PRINFO detailed listing: executing program 0: r0 = socket$inet(0xa, 0x801, 0x84) connect$inet(r0, &(0x7f0000000340)={0x2, 0x0, @remote={0xac, 0x14, 0xffffffffffffffff}}, 0x10) listen(r0, 0x8) r1 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$NFT_BATCH(r1, &(0x7f000000c2c0)={0x0, 0x0, &(0x7f0000000200)={&(0x7f00000008c0)=ANY=[@ANYBLOB="140000001000010000000000000000000000000a28000000000a0101000000005e1affd5020000000900010073797a300000000008000240000000032c000000030a01030000e6ff00000000020000000900010073797a30000000000900030073797a320000000014000000110001"], 0x7c}}, 0x0) sendmsg$NFT_BATCH(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000b40)=ANY=[@ANYBLOB="140000001000010000000000000000000000000a98000000060a0b040000000000000000020000000900020073797a32000000006c000480680001800b000100746172676574000058000280400003009b6a37b458a8056dd9a87f963d140d7a9d3ac869f3a860917523679abf4579f9cd656422a619b2ffcd000000000000000000000001000000000000000a000100484d41524b00000008000240000000000900010073797a30"], 0xc0}, 0x1, 0x0, 0x0, 0x20040000}, 0x0) setsockopt$inet_opts(r0, 0x0, 0x4, &(0x7f0000000000), 0x0) r2 = accept4(r0, 0x0, 0x0, 0x0) setsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, &(0x7f0000000180)={0x0, 0x6, 0x10}, 0xc) program crashed: KASAN: invalid-free in inet_sock_destruct single: successfully extracted reproducer found reproducer with 9 syscalls minimizing guilty program testing program (duration=46.192599102s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet-connect$inet-listen-socket$nl_netfilter-sendmsg$NFT_BATCH-sendmsg$NFT_BATCH-setsockopt$inet_opts-accept4 detailed listing: executing program 0: r0 = socket$inet(0xa, 0x801, 0x84) connect$inet(r0, &(0x7f0000000340)={0x2, 0x0, @remote={0xac, 0x14, 0xffffffffffffffff}}, 0x10) listen(r0, 0x8) r1 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$NFT_BATCH(r1, &(0x7f000000c2c0)={0x0, 0x0, &(0x7f0000000200)={&(0x7f00000008c0)=ANY=[@ANYBLOB="140000001000010000000000000000000000000a28000000000a0101000000005e1affd5020000000900010073797a300000000008000240000000032c000000030a01030000e6ff00000000020000000900010073797a30000000000900030073797a320000000014000000110001"], 0x7c}}, 0x0) sendmsg$NFT_BATCH(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000b40)=ANY=[@ANYBLOB="140000001000010000000000000000000000000a98000000060a0b040000000000000000020000000900020073797a32000000006c000480680001800b000100746172676574000058000280400003009b6a37b458a8056dd9a87f963d140d7a9d3ac869f3a860917523679abf4579f9cd656422a619b2ffcd000000000000000000000001000000000000000a000100484d41524b00000008000240000000000900010073797a30"], 0xc0}, 0x1, 0x0, 0x0, 0x20040000}, 0x0) setsockopt$inet_opts(r0, 0x0, 0x4, &(0x7f0000000000), 0x0) accept4(r0, 0x0, 0x0, 0x0) program crashed: KASAN: invalid-free in inet_sock_destruct testing program (duration=46.192599102s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet-connect$inet-listen-socket$nl_netfilter-sendmsg$NFT_BATCH-sendmsg$NFT_BATCH-setsockopt$inet_opts detailed listing: executing program 0: r0 = socket$inet(0xa, 0x801, 0x84) connect$inet(r0, &(0x7f0000000340)={0x2, 0x0, @remote={0xac, 0x14, 0xffffffffffffffff}}, 0x10) listen(r0, 0x8) r1 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$NFT_BATCH(r1, &(0x7f000000c2c0)={0x0, 0x0, &(0x7f0000000200)={&(0x7f00000008c0)=ANY=[@ANYBLOB="140000001000010000000000000000000000000a28000000000a0101000000005e1affd5020000000900010073797a300000000008000240000000032c000000030a01030000e6ff00000000020000000900010073797a30000000000900030073797a320000000014000000110001"], 0x7c}}, 0x0) sendmsg$NFT_BATCH(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000b40)=ANY=[@ANYBLOB="140000001000010000000000000000000000000a98000000060a0b040000000000000000020000000900020073797a32000000006c000480680001800b000100746172676574000058000280400003009b6a37b458a8056dd9a87f963d140d7a9d3ac869f3a860917523679abf4579f9cd656422a619b2ffcd000000000000000000000001000000000000000a000100484d41524b00000008000240000000000900010073797a30"], 0xc0}, 0x1, 0x0, 0x0, 0x20040000}, 0x0) setsockopt$inet_opts(r0, 0x0, 0x4, &(0x7f0000000000), 0x0) program did not crash testing program (duration=46.192599102s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet-connect$inet-listen-socket$nl_netfilter-sendmsg$NFT_BATCH-sendmsg$NFT_BATCH-accept4 detailed listing: executing program 0: r0 = socket$inet(0xa, 0x801, 0x84) connect$inet(r0, &(0x7f0000000340)={0x2, 0x0, @remote={0xac, 0x14, 0xffffffffffffffff}}, 0x10) listen(r0, 0x8) r1 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$NFT_BATCH(r1, &(0x7f000000c2c0)={0x0, 0x0, &(0x7f0000000200)={&(0x7f00000008c0)=ANY=[@ANYBLOB="140000001000010000000000000000000000000a28000000000a0101000000005e1affd5020000000900010073797a300000000008000240000000032c000000030a01030000e6ff00000000020000000900010073797a30000000000900030073797a320000000014000000110001"], 0x7c}}, 0x0) sendmsg$NFT_BATCH(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000b40)=ANY=[@ANYBLOB="140000001000010000000000000000000000000a98000000060a0b040000000000000000020000000900020073797a32000000006c000480680001800b000100746172676574000058000280400003009b6a37b458a8056dd9a87f963d140d7a9d3ac869f3a860917523679abf4579f9cd656422a619b2ffcd000000000000000000000001000000000000000a000100484d41524b00000008000240000000000900010073797a30"], 0xc0}, 0x1, 0x0, 0x0, 0x20040000}, 0x0) accept4(r0, 0x0, 0x0, 0x0) program did not crash testing program (duration=46.192599102s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet-connect$inet-listen-socket$nl_netfilter-sendmsg$NFT_BATCH-setsockopt$inet_opts-accept4 detailed listing: executing program 0: r0 = socket$inet(0xa, 0x801, 0x84) connect$inet(r0, &(0x7f0000000340)={0x2, 0x0, @remote={0xac, 0x14, 0xffffffffffffffff}}, 0x10) listen(r0, 0x8) r1 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$NFT_BATCH(r1, &(0x7f000000c2c0)={0x0, 0x0, &(0x7f0000000200)={&(0x7f00000008c0)=ANY=[@ANYBLOB="140000001000010000000000000000000000000a28000000000a0101000000005e1affd5020000000900010073797a300000000008000240000000032c000000030a01030000e6ff00000000020000000900010073797a30000000000900030073797a320000000014000000110001"], 0x7c}}, 0x0) setsockopt$inet_opts(r0, 0x0, 0x4, &(0x7f0000000000), 0x0) accept4(r0, 0x0, 0x0, 0x0) program crashed: KASAN: invalid-free in inet_sock_destruct testing program (duration=46.192599102s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet-connect$inet-listen-socket$nl_netfilter-setsockopt$inet_opts-accept4 detailed listing: executing program 0: r0 = socket$inet(0xa, 0x801, 0x84) connect$inet(r0, &(0x7f0000000340)={0x2, 0x0, @remote={0xac, 0x14, 0xffffffffffffffff}}, 0x10) listen(r0, 0x8) socket$nl_netfilter(0x10, 0x3, 0xc) setsockopt$inet_opts(r0, 0x0, 0x4, &(0x7f0000000000), 0x0) accept4(r0, 0x0, 0x0, 0x0) program crashed: KASAN: invalid-free in inet_sock_destruct testing program (duration=46.192599102s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet-connect$inet-listen-setsockopt$inet_opts-accept4 detailed listing: executing program 0: r0 = socket$inet(0xa, 0x801, 0x84) connect$inet(r0, &(0x7f0000000340)={0x2, 0x0, @remote={0xac, 0x14, 0xffffffffffffffff}}, 0x10) listen(r0, 0x8) setsockopt$inet_opts(r0, 0x0, 0x4, &(0x7f0000000000), 0x0) accept4(r0, 0x0, 0x0, 0x0) program crashed: KASAN: invalid-free in inet_sock_destruct testing program (duration=46.192599102s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet-connect$inet-setsockopt$inet_opts-accept4 detailed listing: executing program 0: r0 = socket$inet(0xa, 0x801, 0x84) connect$inet(r0, &(0x7f0000000340)={0x2, 0x0, @remote={0xac, 0x14, 0xffffffffffffffff}}, 0x10) setsockopt$inet_opts(r0, 0x0, 0x4, &(0x7f0000000000), 0x0) accept4(r0, 0x0, 0x0, 0x0) program did not crash testing program (duration=46.192599102s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet-listen-setsockopt$inet_opts-accept4 detailed listing: executing program 0: r0 = socket$inet(0xa, 0x801, 0x84) listen(r0, 0x8) setsockopt$inet_opts(r0, 0x0, 0x4, &(0x7f0000000000), 0x0) accept4(r0, 0x0, 0x0, 0x0) program did not crash testing program (duration=46.192599102s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): connect$inet-listen-setsockopt$inet_opts-accept4 detailed listing: executing program 0: connect$inet(0xffffffffffffffff, &(0x7f0000000340)={0x2, 0x0, @remote={0xac, 0x14, 0xffffffffffffffff}}, 0x10) listen(0xffffffffffffffff, 0x8) setsockopt$inet_opts(0xffffffffffffffff, 0x0, 0x4, &(0x7f0000000000), 0x0) accept4(0xffffffffffffffff, 0x0, 0x0, 0x0) program did not crash testing program (duration=46.192599102s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet-connect$inet-listen-setsockopt$inet_opts-accept4 detailed listing: executing program 0: r0 = socket$inet(0xa, 0x801, 0x84) connect$inet(r0, 0x0, 0x0) listen(r0, 0x8) setsockopt$inet_opts(r0, 0x0, 0x4, &(0x7f0000000000), 0x0) accept4(r0, 0x0, 0x0, 0x0) program did not crash testing program (duration=46.192599102s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet-connect$inet-listen-setsockopt$inet_opts-accept4 detailed listing: executing program 0: r0 = socket$inet(0xa, 0x801, 0x84) connect$inet(r0, &(0x7f0000000340)={0x2, 0x0, @remote={0xac, 0x14, 0xffffffffffffffff}}, 0x10) listen(r0, 0x8) setsockopt$inet_opts(r0, 0x0, 0x4, 0x0, 0x0) accept4(r0, 0x0, 0x0, 0x0) program crashed: KASAN: invalid-free in inet_sock_destruct extracting C reproducer testing compiled C program (duration=46.192599102s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet-connect$inet-listen-setsockopt$inet_opts-accept4 program crashed: KASAN: invalid-free in inet_sock_destruct simplifying C reproducer testing compiled C program (duration=46.192599102s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet-connect$inet-listen-setsockopt$inet_opts-accept4 program crashed: KASAN: invalid-free in inet_sock_destruct testing compiled C program (duration=46.192599102s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet-connect$inet-listen-setsockopt$inet_opts-accept4 program crashed: KASAN: invalid-free in inet_sock_destruct testing compiled C program (duration=46.192599102s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet-connect$inet-listen-setsockopt$inet_opts-accept4 program did not crash testing compiled C program (duration=46.192599102s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet-connect$inet-listen-setsockopt$inet_opts-accept4 program did not crash testing compiled C program (duration=46.192599102s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:false NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet-connect$inet-listen-setsockopt$inet_opts-accept4 program crashed: KASAN: invalid-free in inet_sock_destruct testing compiled C program (duration=46.192599102s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet-connect$inet-listen-setsockopt$inet_opts-accept4 program crashed: KASAN: invalid-free in inet_sock_destruct testing compiled C program (duration=46.192599102s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet-connect$inet-listen-setsockopt$inet_opts-accept4 program did not crash testing compiled C program (duration=46.192599102s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet-connect$inet-listen-setsockopt$inet_opts-accept4 program crashed: KASAN: invalid-free in inet_sock_destruct testing compiled C program (duration=46.192599102s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet-connect$inet-listen-setsockopt$inet_opts-accept4 program crashed: KASAN: invalid-free in inet_sock_destruct testing compiled C program (duration=46.192599102s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet-connect$inet-listen-setsockopt$inet_opts-accept4 program crashed: KASAN: invalid-free in inet_sock_destruct testing compiled C program (duration=46.192599102s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet-connect$inet-listen-setsockopt$inet_opts-accept4 program crashed: KASAN: invalid-free in inet_sock_destruct testing compiled C program (duration=46.192599102s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet-connect$inet-listen-setsockopt$inet_opts-accept4 program crashed: KASAN: invalid-free in inet_sock_destruct testing compiled C program (duration=46.192599102s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet-connect$inet-listen-setsockopt$inet_opts-accept4 program crashed: KASAN: invalid-free in inet_sock_destruct testing compiled C program (duration=46.192599102s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:true UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet-connect$inet-listen-setsockopt$inet_opts-accept4 program crashed: KASAN: invalid-free in inet_sock_destruct testing compiled C program (duration=46.192599102s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet-connect$inet-listen-setsockopt$inet_opts-accept4 program crashed: KASAN: invalid-free in inet_sock_destruct testing program (duration=46.192599102s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true 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}}): socket$inet-connect$inet-listen-setsockopt$inet_opts-accept4 detailed listing: executing program 0: r0 = socket$inet(0xa, 0x801, 0x84) connect$inet(r0, &(0x7f0000000340)={0x2, 0x0, @remote={0xac, 0x14, 0xffffffffffffffff}}, 0x10) listen(r0, 0x8) setsockopt$inet_opts(r0, 0x0, 0x4, 0x0, 0x0) accept4(r0, 0x0, 0x0, 0x0) program crashed: KASAN: invalid-free in inet_sock_destruct validation run: crashed=true testing program (duration=46.192599102s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true 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}}): socket$inet-connect$inet-listen-setsockopt$inet_opts-accept4 detailed listing: executing program 0: r0 = socket$inet(0xa, 0x801, 0x84) connect$inet(r0, &(0x7f0000000340)={0x2, 0x0, @remote={0xac, 0x14, 0xffffffffffffffff}}, 0x10) listen(r0, 0x8) setsockopt$inet_opts(r0, 0x0, 0x4, 0x0, 0x0) accept4(r0, 0x0, 0x0, 0x0) program crashed: SYZFAIL: failed to recv rpc validation run: crashed=true testing program (duration=46.192599102s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true 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}}): socket$inet-connect$inet-listen-setsockopt$inet_opts-accept4 detailed listing: executing program 0: r0 = socket$inet(0xa, 0x801, 0x84) connect$inet(r0, &(0x7f0000000340)={0x2, 0x0, @remote={0xac, 0x14, 0xffffffffffffffff}}, 0x10) listen(r0, 0x8) setsockopt$inet_opts(r0, 0x0, 0x4, 0x0, 0x0) accept4(r0, 0x0, 0x0, 0x0) program crashed: KASAN: invalid-free in inet_sock_destruct validation run: crashed=true reproducing took 54m43.985297648s repro crashed as (corrupted=false): ================================================================== BUG: KASAN: double-free in inet_sock_destruct+0x538/0x740 net/ipv4/af_inet.c:159 Free of addr ffff88801f3430c0 by task ksoftirqd/1/23 CPU: 1 UID: 0 PID: 23 Comm: ksoftirqd/1 Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 Call Trace: dump_stack_lvl+0x189/0x250 lib/dump_stack.c:120 print_address_description mm/kasan/report.c:378 [inline] print_report+0xca/0x240 mm/kasan/report.c:482 kasan_report_invalid_free+0xea/0x110 mm/kasan/report.c:557 check_slab_allocation+0xe1/0x130 include/linux/page-flags.h:-1 kasan_slab_pre_free include/linux/kasan.h:198 [inline] slab_free_hook mm/slub.c:2484 [inline] slab_free mm/slub.c:6630 [inline] kfree+0x148/0x6d0 mm/slub.c:6837 inet_sock_destruct+0x538/0x740 net/ipv4/af_inet.c:159 __sk_destruct+0x89/0x660 net/core/sock.c:2350 sock_put include/net/sock.h:1991 [inline] sctp_endpoint_destroy_rcu+0xa1/0xf0 net/sctp/endpointola.c:197 rcu_do_batch kernel/rcu/tree.c:2605 [inline] rcu_core+0xcab/0x1770 kernel/rcu/tree.c:2861 handle_softirqs+0x286/0x870 kernel/softirq.c:622 run_ksoftirqd+0x9b/0x100 kernel/softirq.c:1063 smpboot_thread_fn+0x542/0xa60 kernel/smpboot.c:160 kthread+0x711/0x8a0 kernel/kthread.c:463 ret_from_fork+0x4bc/0x870 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 Allocated by task 6015: kasan_save_stack mm/kasan/common.c:56 [inline] kasan_save_track+0x3e/0x80 mm/kasan/common.c:77 poison_kmalloc_redzone mm/kasan/common.c:400 [inline] __kasan_kmalloc+0x93/0xb0 mm/kasan/common.c:417 kasan_kmalloc include/linux/kasan.h:262 [inline] __do_kmalloc_node mm/slub.c:5642 [inline] __kmalloc_noprof+0x411/0x7f0 mm/slub.c:5654 kmalloc_noprof include/linux/slab.h:961 [inline] kzalloc_noprof include/linux/slab.h:1094 [inline] ip_options_get+0x51/0x4c0 net/ipv4/ip_options.c:517 do_ip_setsockopt+0x1d9b/0x2d00 net/ipv4/ip_sockglue.c:1087 ip_setsockopt+0x66/0x110 net/ipv4/ip_sockglue.c:1417 do_sock_setsockopt+0x17c/0x1b0 net/socket.c:2360 __sys_setsockopt net/socket.c:2385 [inline] __do_sys_setsockopt net/socket.c:2391 [inline] __se_sys_setsockopt net/socket.c:2388 [inline] __x64_sys_setsockopt+0x13f/0x1b0 net/socket.c:2388 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xfa/0xfa0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f Freed by task 23: kasan_save_stack mm/kasan/common.c:56 [inline] kasan_save_track+0x3e/0x80 mm/kasan/common.c:77 __kasan_save_free_info+0x46/0x50 mm/kasan/generic.c:587 kasan_save_free_info mm/kasan/kasan.h:406 [inline] poison_slab_object mm/kasan/common.c:252 [inline] __kasan_slab_free+0x5c/0x80 mm/kasan/common.c:284 kasan_slab_free include/linux/kasan.h:234 [inline] slab_free_hook mm/slub.c:2539 [inline] slab_free mm/slub.c:6630 [inline] kfree+0x19a/0x6d0 mm/slub.c:6837 inet_sock_destruct+0x538/0x740 net/ipv4/af_inet.c:159 __sk_destruct+0x89/0x660 net/core/sock.c:2350 sock_put include/net/sock.h:1991 [inline] sctp_endpoint_destroy_rcu+0xa1/0xf0 net/sctp/endpointola.c:197 rcu_do_batch kernel/rcu/tree.c:2605 [inline] rcu_core+0xcab/0x1770 kernel/rcu/tree.c:2861 handle_softirqs+0x286/0x870 kernel/softirq.c:622 run_ksoftirqd+0x9b/0x100 kernel/softirq.c:1063 smpboot_thread_fn+0x542/0xa60 kernel/smpboot.c:160 kthread+0x711/0x8a0 kernel/kthread.c:463 ret_from_fork+0x4bc/0x870 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 The buggy address belongs to the object at ffff88801f3430c0 which belongs to the cache kmalloc-32 of size 32 The buggy address is located 0 bytes inside of 32-byte region [ffff88801f3430c0, ffff88801f3430e0) The buggy address belongs to the physical page: page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1f343 anon flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff) page_type: f5(slab) raw: 00fff00000000000 ffff88801a026780 0000000000000000 dead000000000001 raw: 0000000000000000 0000000000400040 00000000f5000000 0000000000000000 page dumped because: kasan: bad access detected page_owner tracks the page as allocated page last allocated via order 0, migratetype Unmovable, gfp_mask 0x52800(GFP_NOWAIT|__GFP_NORETRY|__GFP_COMP), pid 184, tgid 184 (kworker/u8:6), ts 6625749703, free_ts 6600992626 set_page_owner include/linux/page_owner.h:32 [inline] post_alloc_hook+0x240/0x2a0 mm/page_alloc.c:1850 prep_new_page mm/page_alloc.c:1858 [inline] get_page_from_freelist+0x2365/0x2440 mm/page_alloc.c:3884 __alloc_frozen_pages_noprof+0x181/0x370 mm/page_alloc.c:5183 alloc_pages_mpol+0x232/0x4a0 mm/mempolicy.c:2416 alloc_slab_page mm/slub.c:3055 [inline] allocate_slab+0x96/0x350 mm/slub.c:3228 new_slab mm/slub.c:3282 [inline] ___slab_alloc+0xe94/0x18a0 mm/slub.c:4651 __slab_alloc+0x65/0x100 mm/slub.c:4770 __slab_alloc_node mm/slub.c:4846 [inline] slab_alloc_node mm/slub.c:5268 [inline] __kmalloc_cache_noprof+0x411/0x6f0 mm/slub.c:5758 kmalloc_noprof include/linux/slab.h:957 [inline] slab_free_hook mm/slub.c:2491 [inline] slab_free mm/slub.c:6630 [inline] kmem_cache_free+0x16f/0x690 mm/slub.c:6740 __fput_deferred+0x227/0x390 fs/file_table.c:523 fput_close+0x119/0x200 fs/file_table.c:585 path_openat+0x313c/0x3830 fs/namei.c:4143 do_filp_open+0x1fa/0x410 fs/namei.c:4161 do_open_execat+0x135/0x560 fs/exec.c:783 alloc_bprm+0x28/0x5c0 fs/exec.c:1410 kernel_execve+0x9b/0x9f0 fs/exec.c:1885 page last free pid 10 tgid 10 stack trace: reset_page_owner include/linux/page_owner.h:25 [inline] free_pages_prepare mm/page_alloc.c:1394 [inline] __free_frozen_pages+0xbc4/0xd30 mm/page_alloc.c:2906 vfree+0x25a/0x400 mm/vmalloc.c:3440 delayed_vfree_work+0x55/0x80 mm/vmalloc.c:3359 process_one_work kernel/workqueue.c:3263 [inline] process_scheduled_works+0xae1/0x17b0 kernel/workqueue.c:3346 worker_thread+0x8a0/0xda0 kernel/workqueue.c:3427 kthread+0x711/0x8a0 kernel/kthread.c:463 ret_from_fork+0x4bc/0x870 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 Memory state around the buggy address: ffff88801f342f80: 00 00 00 00 00 00 fc fc fc fc fc fc fc fc fc fc ffff88801f343000: 00 00 00 fc fc fc fc fc 00 00 00 fc fc fc fc fc >ffff88801f343080: fa fb fb fb fc fc fc fc fa fb fb fb fc fc fc fc ^ ffff88801f343100: fa fb fb fb fc fc fc fc fa fb fb fb fc fc fc fc ffff88801f343180: fa fb fb fb fc fc fc fc fa fb fb fb fc fc fc fc ================================================================== final repro crashed as (corrupted=false): ================================================================== BUG: KASAN: double-free in inet_sock_destruct+0x538/0x740 net/ipv4/af_inet.c:159 Free of addr ffff88801f3430c0 by task ksoftirqd/1/23 CPU: 1 UID: 0 PID: 23 Comm: ksoftirqd/1 Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 Call Trace: dump_stack_lvl+0x189/0x250 lib/dump_stack.c:120 print_address_description mm/kasan/report.c:378 [inline] print_report+0xca/0x240 mm/kasan/report.c:482 kasan_report_invalid_free+0xea/0x110 mm/kasan/report.c:557 check_slab_allocation+0xe1/0x130 include/linux/page-flags.h:-1 kasan_slab_pre_free include/linux/kasan.h:198 [inline] slab_free_hook mm/slub.c:2484 [inline] slab_free mm/slub.c:6630 [inline] kfree+0x148/0x6d0 mm/slub.c:6837 inet_sock_destruct+0x538/0x740 net/ipv4/af_inet.c:159 __sk_destruct+0x89/0x660 net/core/sock.c:2350 sock_put include/net/sock.h:1991 [inline] sctp_endpoint_destroy_rcu+0xa1/0xf0 net/sctp/endpointola.c:197 rcu_do_batch kernel/rcu/tree.c:2605 [inline] rcu_core+0xcab/0x1770 kernel/rcu/tree.c:2861 handle_softirqs+0x286/0x870 kernel/softirq.c:622 run_ksoftirqd+0x9b/0x100 kernel/softirq.c:1063 smpboot_thread_fn+0x542/0xa60 kernel/smpboot.c:160 kthread+0x711/0x8a0 kernel/kthread.c:463 ret_from_fork+0x4bc/0x870 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 Allocated by task 6015: kasan_save_stack mm/kasan/common.c:56 [inline] kasan_save_track+0x3e/0x80 mm/kasan/common.c:77 poison_kmalloc_redzone mm/kasan/common.c:400 [inline] __kasan_kmalloc+0x93/0xb0 mm/kasan/common.c:417 kasan_kmalloc include/linux/kasan.h:262 [inline] __do_kmalloc_node mm/slub.c:5642 [inline] __kmalloc_noprof+0x411/0x7f0 mm/slub.c:5654 kmalloc_noprof include/linux/slab.h:961 [inline] kzalloc_noprof include/linux/slab.h:1094 [inline] ip_options_get+0x51/0x4c0 net/ipv4/ip_options.c:517 do_ip_setsockopt+0x1d9b/0x2d00 net/ipv4/ip_sockglue.c:1087 ip_setsockopt+0x66/0x110 net/ipv4/ip_sockglue.c:1417 do_sock_setsockopt+0x17c/0x1b0 net/socket.c:2360 __sys_setsockopt net/socket.c:2385 [inline] __do_sys_setsockopt net/socket.c:2391 [inline] __se_sys_setsockopt net/socket.c:2388 [inline] __x64_sys_setsockopt+0x13f/0x1b0 net/socket.c:2388 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xfa/0xfa0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f Freed by task 23: kasan_save_stack mm/kasan/common.c:56 [inline] kasan_save_track+0x3e/0x80 mm/kasan/common.c:77 __kasan_save_free_info+0x46/0x50 mm/kasan/generic.c:587 kasan_save_free_info mm/kasan/kasan.h:406 [inline] poison_slab_object mm/kasan/common.c:252 [inline] __kasan_slab_free+0x5c/0x80 mm/kasan/common.c:284 kasan_slab_free include/linux/kasan.h:234 [inline] slab_free_hook mm/slub.c:2539 [inline] slab_free mm/slub.c:6630 [inline] kfree+0x19a/0x6d0 mm/slub.c:6837 inet_sock_destruct+0x538/0x740 net/ipv4/af_inet.c:159 __sk_destruct+0x89/0x660 net/core/sock.c:2350 sock_put include/net/sock.h:1991 [inline] sctp_endpoint_destroy_rcu+0xa1/0xf0 net/sctp/endpointola.c:197 rcu_do_batch kernel/rcu/tree.c:2605 [inline] rcu_core+0xcab/0x1770 kernel/rcu/tree.c:2861 handle_softirqs+0x286/0x870 kernel/softirq.c:622 run_ksoftirqd+0x9b/0x100 kernel/softirq.c:1063 smpboot_thread_fn+0x542/0xa60 kernel/smpboot.c:160 kthread+0x711/0x8a0 kernel/kthread.c:463 ret_from_fork+0x4bc/0x870 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 The buggy address belongs to the object at ffff88801f3430c0 which belongs to the cache kmalloc-32 of size 32 The buggy address is located 0 bytes inside of 32-byte region [ffff88801f3430c0, ffff88801f3430e0) The buggy address belongs to the physical page: page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1f343 anon flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff) page_type: f5(slab) raw: 00fff00000000000 ffff88801a026780 0000000000000000 dead000000000001 raw: 0000000000000000 0000000000400040 00000000f5000000 0000000000000000 page dumped because: kasan: bad access detected page_owner tracks the page as allocated page last allocated via order 0, migratetype Unmovable, gfp_mask 0x52800(GFP_NOWAIT|__GFP_NORETRY|__GFP_COMP), pid 184, tgid 184 (kworker/u8:6), ts 6625749703, free_ts 6600992626 set_page_owner include/linux/page_owner.h:32 [inline] post_alloc_hook+0x240/0x2a0 mm/page_alloc.c:1850 prep_new_page mm/page_alloc.c:1858 [inline] get_page_from_freelist+0x2365/0x2440 mm/page_alloc.c:3884 __alloc_frozen_pages_noprof+0x181/0x370 mm/page_alloc.c:5183 alloc_pages_mpol+0x232/0x4a0 mm/mempolicy.c:2416 alloc_slab_page mm/slub.c:3055 [inline] allocate_slab+0x96/0x350 mm/slub.c:3228 new_slab mm/slub.c:3282 [inline] ___slab_alloc+0xe94/0x18a0 mm/slub.c:4651 __slab_alloc+0x65/0x100 mm/slub.c:4770 __slab_alloc_node mm/slub.c:4846 [inline] slab_alloc_node mm/slub.c:5268 [inline] __kmalloc_cache_noprof+0x411/0x6f0 mm/slub.c:5758 kmalloc_noprof include/linux/slab.h:957 [inline] slab_free_hook mm/slub.c:2491 [inline] slab_free mm/slub.c:6630 [inline] kmem_cache_free+0x16f/0x690 mm/slub.c:6740 __fput_deferred+0x227/0x390 fs/file_table.c:523 fput_close+0x119/0x200 fs/file_table.c:585 path_openat+0x313c/0x3830 fs/namei.c:4143 do_filp_open+0x1fa/0x410 fs/namei.c:4161 do_open_execat+0x135/0x560 fs/exec.c:783 alloc_bprm+0x28/0x5c0 fs/exec.c:1410 kernel_execve+0x9b/0x9f0 fs/exec.c:1885 page last free pid 10 tgid 10 stack trace: reset_page_owner include/linux/page_owner.h:25 [inline] free_pages_prepare mm/page_alloc.c:1394 [inline] __free_frozen_pages+0xbc4/0xd30 mm/page_alloc.c:2906 vfree+0x25a/0x400 mm/vmalloc.c:3440 delayed_vfree_work+0x55/0x80 mm/vmalloc.c:3359 process_one_work kernel/workqueue.c:3263 [inline] process_scheduled_works+0xae1/0x17b0 kernel/workqueue.c:3346 worker_thread+0x8a0/0xda0 kernel/workqueue.c:3427 kthread+0x711/0x8a0 kernel/kthread.c:463 ret_from_fork+0x4bc/0x870 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 Memory state around the buggy address: ffff88801f342f80: 00 00 00 00 00 00 fc fc fc fc fc fc fc fc fc fc ffff88801f343000: 00 00 00 fc fc fc fc fc 00 00 00 fc fc fc fc fc >ffff88801f343080: fa fb fb fb fc fc fc fc fa fb fb fb fc fc fc fc ^ ffff88801f343100: fa fb fb fb fc fc fc fc fa fb fb fb fc fc fc fc ffff88801f343180: fa fb fb fb fc fc fc fc fa fb fb fb fc fc fc fc ==================================================================