Extracting prog: 1m18.023186282s Minimizing prog: 22m20.989255266s Simplifying prog options: 0s Extracting C: 26.171238534s Simplifying C: 4m6.861445918s extracting reproducer from 30 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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$PROG_LOAD-close-socketpair$unix-bpf$PROG_LOAD-bpf$MAP_CREATE-bpf$PROG_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN-bpf$BPF_PROG_DETACH-bpf$MAP_UPDATE_ELEM_TAIL_CALL-sendmsg$inet detailed listing: executing program 0: r0 = bpf$PROG_LOAD(0x5, &(0x7f000000e000)={0x10, 0x4, &(0x7f0000000040)=ANY=[@ANYBLOB="b4000000000000007910480000000000610400000000000095000000"], &(0x7f0000003ff6)='GPL\x00', 0x2, 0xfd90, &(0x7f000000cf3d)=""/195, 0x0, 0x0, '\x00', 0x0, @sk_msg, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x10, 0x0, @void, @value}, 0x48) close(r0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = bpf$PROG_LOAD(0x5, &(0x7f000000e000)={0xe, 0x4, &(0x7f0000000540)=ANY=[@ANYBLOB="b4050000fdff7f006110580000000000c60000000000000095000000000000009f33ef60916e6e713f1eeb0b725ad99b817fd98cd824498949714ffaac8a6f770600dcca55f21f3ca9e822d182054d54d53cd2b6db714e4beb5447000001000000008f2b9000f22425e4097ed62cbc891061017cfa6fa26fa7088c60897d4a6148a1c1e43f00001bde60beac671e8e8fdecb03588aa623fa71f31bf0f871ab5c2ff88afc60027f4e5b5271ed58e835cf0d0000000098b51fe6b1b8d9dbe87dcff414ed000000000000000000000000000000000000000000000000000000b347abe6352a080f8140e5fd10747b6ecdb3540546bf636e3d6e700e5b0500000000000000eb9e1403e6c8f7a187eaf60f3a17f0f046a307a403c19d9829c90bd2114252581567acae715cbe1b57d5cda432c5b910400623d24195405f2e76ccb7b37b41215c184e731fb1"], &(0x7f0000003ff6)='GPL\x00', 0x4, 0xfd90, &(0x7f000000cf3d)=""/195, 0x0, 0x0, '\x00', 0x0, @sk_skb, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x366, 0x10, &(0x7f0000000000), 0x1dd, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x10, 0x0, @void, @value}, 0x48) r3 = bpf$MAP_CREATE(0x0, &(0x7f0000000200)=@base={0xf, 0x4, 0x4, 0x12, 0x0, 0xffffffffffffffff, 0x0, '\x00', 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, @void, @value, @void, @value}, 0x48) r4 = bpf$PROG_LOAD(0x5, &(0x7f0000000480)={0x11, 0xc, &(0x7f0000000180)=ANY=[@ANYBLOB="1800000000000000000000000000000018010000", @ANYRES32, @ANYBLOB="0000000000008da4b70800000000396f7b8af8ff00000000bfa200000000000007020000f8ffffffb703000008000000b704000000000000850000002400000095"], &(0x7f0000000280)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @void, @value}, 0x94) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000080)={&(0x7f0000000040)='kmem_cache_free\x00', r4}, 0xf) bpf$BPF_PROG_DETACH(0x8, &(0x7f0000000080)={@map=r3, r2, 0x26, 0x0, 0x0, @void, @value}, 0x10) bpf$MAP_UPDATE_ELEM_TAIL_CALL(0x2, &(0x7f00000000c0)={{r3}, &(0x7f0000000000), &(0x7f0000000080)=r0}, 0x20) sendmsg$inet(r1, &(0x7f0000000500)={0x0, 0x0, 0x0}, 0x0) (fail_nth: 5) program crashed: KASAN: use-after-free Read in consume_skb single: successfully extracted reproducer found reproducer with 10 syscalls minimizing guilty program testing program (duration=36.07825072s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$PROG_LOAD-close-socketpair$unix-bpf$PROG_LOAD-bpf$MAP_CREATE-bpf$PROG_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN-bpf$BPF_PROG_DETACH-bpf$MAP_UPDATE_ELEM_TAIL_CALL detailed listing: executing program 0: r0 = bpf$PROG_LOAD(0x5, &(0x7f000000e000)={0x10, 0x4, &(0x7f0000000040)=ANY=[@ANYBLOB="b4000000000000007910480000000000610400000000000095000000"], &(0x7f0000003ff6)='GPL\x00', 0x2, 0xfd90, &(0x7f000000cf3d)=""/195, 0x0, 0x0, '\x00', 0x0, @sk_msg, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x10, 0x0, @void, @value}, 0x48) close(r0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000140)) r1 = bpf$PROG_LOAD(0x5, &(0x7f000000e000)={0xe, 0x4, &(0x7f0000000540)=ANY=[@ANYBLOB="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"], &(0x7f0000003ff6)='GPL\x00', 0x4, 0xfd90, &(0x7f000000cf3d)=""/195, 0x0, 0x0, '\x00', 0x0, @sk_skb, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x366, 0x10, &(0x7f0000000000), 0x1dd, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x10, 0x0, @void, @value}, 0x48) r2 = bpf$MAP_CREATE(0x0, &(0x7f0000000200)=@base={0xf, 0x4, 0x4, 0x12, 0x0, 0xffffffffffffffff, 0x0, '\x00', 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, @void, @value, @void, @value}, 0x48) r3 = bpf$PROG_LOAD(0x5, &(0x7f0000000480)={0x11, 0xc, &(0x7f0000000180)=ANY=[@ANYBLOB="1800000000000000000000000000000018010000", @ANYRES32, @ANYBLOB="0000000000008da4b70800000000396f7b8af8ff00000000bfa200000000000007020000f8ffffffb703000008000000b704000000000000850000002400000095"], &(0x7f0000000280)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @void, @value}, 0x94) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000080)={&(0x7f0000000040)='kmem_cache_free\x00', r3}, 0xf) bpf$BPF_PROG_DETACH(0x8, &(0x7f0000000080)={@map=r2, r1, 0x26, 0x0, 0x0, @void, @value}, 0x10) bpf$MAP_UPDATE_ELEM_TAIL_CALL(0x2, &(0x7f00000000c0)={{r2}, &(0x7f0000000000), &(0x7f0000000080)=r0}, 0x20) program did not crash testing program (duration=36.07825072s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$PROG_LOAD-close-socketpair$unix-bpf$PROG_LOAD-bpf$MAP_CREATE-bpf$PROG_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN-bpf$BPF_PROG_DETACH-sendmsg$inet detailed listing: executing program 0: r0 = bpf$PROG_LOAD(0x5, &(0x7f000000e000)={0x10, 0x4, &(0x7f0000000040)=ANY=[@ANYBLOB="b4000000000000007910480000000000610400000000000095000000"], &(0x7f0000003ff6)='GPL\x00', 0x2, 0xfd90, &(0x7f000000cf3d)=""/195, 0x0, 0x0, '\x00', 0x0, @sk_msg, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x10, 0x0, @void, @value}, 0x48) close(r0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = bpf$PROG_LOAD(0x5, &(0x7f000000e000)={0xe, 0x4, &(0x7f0000000540)=ANY=[@ANYBLOB="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"], &(0x7f0000003ff6)='GPL\x00', 0x4, 0xfd90, &(0x7f000000cf3d)=""/195, 0x0, 0x0, '\x00', 0x0, @sk_skb, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x366, 0x10, &(0x7f0000000000), 0x1dd, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x10, 0x0, @void, @value}, 0x48) r3 = bpf$MAP_CREATE(0x0, &(0x7f0000000200)=@base={0xf, 0x4, 0x4, 0x12, 0x0, 0xffffffffffffffff, 0x0, '\x00', 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, @void, @value, @void, @value}, 0x48) r4 = bpf$PROG_LOAD(0x5, &(0x7f0000000480)={0x11, 0xc, &(0x7f0000000180)=ANY=[@ANYBLOB="1800000000000000000000000000000018010000", @ANYRES32, @ANYBLOB="0000000000008da4b70800000000396f7b8af8ff00000000bfa200000000000007020000f8ffffffb703000008000000b704000000000000850000002400000095"], &(0x7f0000000280)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @void, @value}, 0x94) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000080)={&(0x7f0000000040)='kmem_cache_free\x00', r4}, 0xf) bpf$BPF_PROG_DETACH(0x8, &(0x7f0000000080)={@map=r3, r2, 0x26, 0x0, 0x0, @void, @value}, 0x10) sendmsg$inet(r1, &(0x7f0000000500)={0x0, 0x0, 0x0}, 0x0) (fail_nth: 5) program did not crash testing program (duration=36.07825072s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$PROG_LOAD-close-socketpair$unix-bpf$PROG_LOAD-bpf$MAP_CREATE-bpf$PROG_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN-bpf$MAP_UPDATE_ELEM_TAIL_CALL-sendmsg$inet detailed listing: executing program 0: r0 = bpf$PROG_LOAD(0x5, &(0x7f000000e000)={0x10, 0x4, &(0x7f0000000040)=ANY=[@ANYBLOB="b4000000000000007910480000000000610400000000000095000000"], &(0x7f0000003ff6)='GPL\x00', 0x2, 0xfd90, &(0x7f000000cf3d)=""/195, 0x0, 0x0, '\x00', 0x0, @sk_msg, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x10, 0x0, @void, @value}, 0x48) close(r0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}) bpf$PROG_LOAD(0x5, &(0x7f000000e000)={0xe, 0x4, &(0x7f0000000540)=ANY=[@ANYBLOB="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"], &(0x7f0000003ff6)='GPL\x00', 0x4, 0xfd90, &(0x7f000000cf3d)=""/195, 0x0, 0x0, '\x00', 0x0, @sk_skb, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x366, 0x10, &(0x7f0000000000), 0x1dd, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x10, 0x0, @void, @value}, 0x48) r2 = bpf$MAP_CREATE(0x0, &(0x7f0000000200)=@base={0xf, 0x4, 0x4, 0x12, 0x0, 0xffffffffffffffff, 0x0, '\x00', 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, @void, @value, @void, @value}, 0x48) r3 = bpf$PROG_LOAD(0x5, &(0x7f0000000480)={0x11, 0xc, &(0x7f0000000180)=ANY=[@ANYBLOB="1800000000000000000000000000000018010000", @ANYRES32, @ANYBLOB="0000000000008da4b70800000000396f7b8af8ff00000000bfa200000000000007020000f8ffffffb703000008000000b704000000000000850000002400000095"], &(0x7f0000000280)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @void, @value}, 0x94) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000080)={&(0x7f0000000040)='kmem_cache_free\x00', r3}, 0xf) bpf$MAP_UPDATE_ELEM_TAIL_CALL(0x2, &(0x7f00000000c0)={{r2}, &(0x7f0000000000), &(0x7f0000000080)=r0}, 0x20) sendmsg$inet(r1, &(0x7f0000000500)={0x0, 0x0, 0x0}, 0x0) (fail_nth: 5) program did not crash testing program (duration=36.07825072s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$PROG_LOAD-close-socketpair$unix-bpf$PROG_LOAD-bpf$MAP_CREATE-bpf$PROG_LOAD-bpf$BPF_PROG_DETACH-bpf$MAP_UPDATE_ELEM_TAIL_CALL-sendmsg$inet detailed listing: executing program 0: r0 = bpf$PROG_LOAD(0x5, &(0x7f000000e000)={0x10, 0x4, &(0x7f0000000040)=ANY=[@ANYBLOB="b4000000000000007910480000000000610400000000000095000000"], &(0x7f0000003ff6)='GPL\x00', 0x2, 0xfd90, &(0x7f000000cf3d)=""/195, 0x0, 0x0, '\x00', 0x0, @sk_msg, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x10, 0x0, @void, @value}, 0x48) close(r0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = bpf$PROG_LOAD(0x5, &(0x7f000000e000)={0xe, 0x4, &(0x7f0000000540)=ANY=[@ANYBLOB="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"], &(0x7f0000003ff6)='GPL\x00', 0x4, 0xfd90, &(0x7f000000cf3d)=""/195, 0x0, 0x0, '\x00', 0x0, @sk_skb, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x366, 0x10, &(0x7f0000000000), 0x1dd, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x10, 0x0, @void, @value}, 0x48) r3 = bpf$MAP_CREATE(0x0, &(0x7f0000000200)=@base={0xf, 0x4, 0x4, 0x12, 0x0, 0xffffffffffffffff, 0x0, '\x00', 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, @void, @value, @void, @value}, 0x48) bpf$PROG_LOAD(0x5, &(0x7f0000000480)={0x11, 0xc, &(0x7f0000000180)=ANY=[@ANYBLOB="1800000000000000000000000000000018010000", @ANYRES32, @ANYBLOB="0000000000008da4b70800000000396f7b8af8ff00000000bfa200000000000007020000f8ffffffb703000008000000b704000000000000850000002400000095"], &(0x7f0000000280)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @void, @value}, 0x94) bpf$BPF_PROG_DETACH(0x8, &(0x7f0000000080)={@map=r3, r2, 0x26, 0x0, 0x0, @void, @value}, 0x10) bpf$MAP_UPDATE_ELEM_TAIL_CALL(0x2, &(0x7f00000000c0)={{r3}, &(0x7f0000000000), &(0x7f0000000080)=r0}, 0x20) sendmsg$inet(r1, &(0x7f0000000500)={0x0, 0x0, 0x0}, 0x0) (fail_nth: 5) program crashed: KASAN: use-after-free Read in consume_skb testing program (duration=36.07825072s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$PROG_LOAD-close-socketpair$unix-bpf$PROG_LOAD-bpf$MAP_CREATE-bpf$BPF_PROG_DETACH-bpf$MAP_UPDATE_ELEM_TAIL_CALL-sendmsg$inet detailed listing: executing program 0: r0 = bpf$PROG_LOAD(0x5, &(0x7f000000e000)={0x10, 0x4, &(0x7f0000000040)=ANY=[@ANYBLOB="b4000000000000007910480000000000610400000000000095000000"], &(0x7f0000003ff6)='GPL\x00', 0x2, 0xfd90, &(0x7f000000cf3d)=""/195, 0x0, 0x0, '\x00', 0x0, @sk_msg, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x10, 0x0, @void, @value}, 0x48) close(r0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = bpf$PROG_LOAD(0x5, &(0x7f000000e000)={0xe, 0x4, &(0x7f0000000540)=ANY=[@ANYBLOB="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"], &(0x7f0000003ff6)='GPL\x00', 0x4, 0xfd90, &(0x7f000000cf3d)=""/195, 0x0, 0x0, '\x00', 0x0, @sk_skb, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x366, 0x10, &(0x7f0000000000), 0x1dd, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x10, 0x0, @void, @value}, 0x48) r3 = bpf$MAP_CREATE(0x0, &(0x7f0000000200)=@base={0xf, 0x4, 0x4, 0x12, 0x0, 0xffffffffffffffff, 0x0, '\x00', 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, @void, @value, @void, @value}, 0x48) bpf$BPF_PROG_DETACH(0x8, &(0x7f0000000080)={@map=r3, r2, 0x26, 0x0, 0x0, @void, @value}, 0x10) bpf$MAP_UPDATE_ELEM_TAIL_CALL(0x2, &(0x7f00000000c0)={{r3}, &(0x7f0000000000), &(0x7f0000000080)=r0}, 0x20) sendmsg$inet(r1, &(0x7f0000000500)={0x0, 0x0, 0x0}, 0x0) (fail_nth: 5) program crashed: KASAN: use-after-free Read in consume_skb testing program (duration=36.07825072s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$PROG_LOAD-close-socketpair$unix-bpf$PROG_LOAD-bpf$BPF_PROG_DETACH-bpf$MAP_UPDATE_ELEM_TAIL_CALL-sendmsg$inet detailed listing: executing program 0: r0 = bpf$PROG_LOAD(0x5, &(0x7f000000e000)={0x10, 0x4, &(0x7f0000000040)=ANY=[@ANYBLOB="b4000000000000007910480000000000610400000000000095000000"], &(0x7f0000003ff6)='GPL\x00', 0x2, 0xfd90, &(0x7f000000cf3d)=""/195, 0x0, 0x0, '\x00', 0x0, @sk_msg, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x10, 0x0, @void, @value}, 0x48) close(r0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = bpf$PROG_LOAD(0x5, &(0x7f000000e000)={0xe, 0x4, &(0x7f0000000540)=ANY=[@ANYBLOB="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"], &(0x7f0000003ff6)='GPL\x00', 0x4, 0xfd90, &(0x7f000000cf3d)=""/195, 0x0, 0x0, '\x00', 0x0, @sk_skb, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x366, 0x10, &(0x7f0000000000), 0x1dd, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x10, 0x0, @void, @value}, 0x48) bpf$BPF_PROG_DETACH(0x8, &(0x7f0000000080)={@map, r2, 0x26, 0x0, 0x0, @void, @value}, 0x10) bpf$MAP_UPDATE_ELEM_TAIL_CALL(0x2, &(0x7f00000000c0)={{}, &(0x7f0000000000), &(0x7f0000000080)=r0}, 0x20) sendmsg$inet(r1, &(0x7f0000000500)={0x0, 0x0, 0x0}, 0x0) (fail_nth: 5) program did not crash testing program (duration=36.07825072s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$PROG_LOAD-close-socketpair$unix-bpf$MAP_CREATE-bpf$BPF_PROG_DETACH-bpf$MAP_UPDATE_ELEM_TAIL_CALL-sendmsg$inet detailed listing: executing program 0: r0 = bpf$PROG_LOAD(0x5, &(0x7f000000e000)={0x10, 0x4, &(0x7f0000000040)=ANY=[@ANYBLOB="b4000000000000007910480000000000610400000000000095000000"], &(0x7f0000003ff6)='GPL\x00', 0x2, 0xfd90, &(0x7f000000cf3d)=""/195, 0x0, 0x0, '\x00', 0x0, @sk_msg, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x10, 0x0, @void, @value}, 0x48) close(r0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = bpf$MAP_CREATE(0x0, &(0x7f0000000200)=@base={0xf, 0x4, 0x4, 0x12, 0x0, 0xffffffffffffffff, 0x0, '\x00', 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, @void, @value, @void, @value}, 0x48) bpf$BPF_PROG_DETACH(0x8, &(0x7f0000000080)={@map=r2, 0xffffffffffffffff, 0x26, 0x0, 0x0, @void, @value}, 0x10) bpf$MAP_UPDATE_ELEM_TAIL_CALL(0x2, &(0x7f00000000c0)={{r2}, &(0x7f0000000000), &(0x7f0000000080)=r0}, 0x20) sendmsg$inet(r1, &(0x7f0000000500)={0x0, 0x0, 0x0}, 0x0) (fail_nth: 5) program did not crash testing program (duration=36.07825072s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$PROG_LOAD-close-bpf$PROG_LOAD-bpf$MAP_CREATE-bpf$BPF_PROG_DETACH-bpf$MAP_UPDATE_ELEM_TAIL_CALL-sendmsg$inet detailed listing: executing program 0: r0 = bpf$PROG_LOAD(0x5, &(0x7f000000e000)={0x10, 0x4, &(0x7f0000000040)=ANY=[@ANYBLOB="b4000000000000007910480000000000610400000000000095000000"], &(0x7f0000003ff6)='GPL\x00', 0x2, 0xfd90, &(0x7f000000cf3d)=""/195, 0x0, 0x0, '\x00', 0x0, @sk_msg, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x10, 0x0, @void, @value}, 0x48) close(r0) r1 = bpf$PROG_LOAD(0x5, &(0x7f000000e000)={0xe, 0x4, &(0x7f0000000540)=ANY=[@ANYBLOB="b4050000fdff7f006110580000000000c60000000000000095000000000000009f33ef60916e6e713f1eeb0b725ad99b817fd98cd824498949714ffaac8a6f770600dcca55f21f3ca9e822d182054d54d53cd2b6db714e4beb5447000001000000008f2b9000f22425e4097ed62cbc891061017cfa6fa26fa7088c60897d4a6148a1c1e43f00001bde60beac671e8e8fdecb03588aa623fa71f31bf0f871ab5c2ff88afc60027f4e5b5271ed58e835cf0d0000000098b51fe6b1b8d9dbe87dcff414ed000000000000000000000000000000000000000000000000000000b347abe6352a080f8140e5fd10747b6ecdb3540546bf636e3d6e700e5b0500000000000000eb9e1403e6c8f7a187eaf60f3a17f0f046a307a403c19d9829c90bd2114252581567acae715cbe1b57d5cda432c5b910400623d24195405f2e76ccb7b37b41215c184e731fb1"], &(0x7f0000003ff6)='GPL\x00', 0x4, 0xfd90, &(0x7f000000cf3d)=""/195, 0x0, 0x0, '\x00', 0x0, @sk_skb, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x366, 0x10, &(0x7f0000000000), 0x1dd, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x10, 0x0, @void, @value}, 0x48) r2 = bpf$MAP_CREATE(0x0, &(0x7f0000000200)=@base={0xf, 0x4, 0x4, 0x12, 0x0, 0xffffffffffffffff, 0x0, '\x00', 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, @void, @value, @void, @value}, 0x48) bpf$BPF_PROG_DETACH(0x8, &(0x7f0000000080)={@map=r2, r1, 0x26, 0x0, 0x0, @void, @value}, 0x10) bpf$MAP_UPDATE_ELEM_TAIL_CALL(0x2, &(0x7f00000000c0)={{r2}, &(0x7f0000000000), &(0x7f0000000080)=r0}, 0x20) sendmsg$inet(0xffffffffffffffff, &(0x7f0000000500)={0x0, 0x0, 0x0}, 0x0) (fail_nth: 5) program did not crash testing program (duration=36.07825072s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$PROG_LOAD-socketpair$unix-bpf$PROG_LOAD-bpf$MAP_CREATE-bpf$BPF_PROG_DETACH-bpf$MAP_UPDATE_ELEM_TAIL_CALL-sendmsg$inet detailed listing: executing program 0: r0 = bpf$PROG_LOAD(0x5, &(0x7f000000e000)={0x10, 0x4, &(0x7f0000000040)=ANY=[@ANYBLOB="b4000000000000007910480000000000610400000000000095000000"], &(0x7f0000003ff6)='GPL\x00', 0x2, 0xfd90, &(0x7f000000cf3d)=""/195, 0x0, 0x0, '\x00', 0x0, @sk_msg, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x10, 0x0, @void, @value}, 0x48) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = bpf$PROG_LOAD(0x5, &(0x7f000000e000)={0xe, 0x4, &(0x7f0000000540)=ANY=[@ANYBLOB="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"], &(0x7f0000003ff6)='GPL\x00', 0x4, 0xfd90, &(0x7f000000cf3d)=""/195, 0x0, 0x0, '\x00', 0x0, @sk_skb, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x366, 0x10, &(0x7f0000000000), 0x1dd, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x10, 0x0, @void, @value}, 0x48) r3 = bpf$MAP_CREATE(0x0, &(0x7f0000000200)=@base={0xf, 0x4, 0x4, 0x12, 0x0, 0xffffffffffffffff, 0x0, '\x00', 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, @void, @value, @void, @value}, 0x48) bpf$BPF_PROG_DETACH(0x8, &(0x7f0000000080)={@map=r3, r2, 0x26, 0x0, 0x0, @void, @value}, 0x10) bpf$MAP_UPDATE_ELEM_TAIL_CALL(0x2, &(0x7f00000000c0)={{r3}, &(0x7f0000000000), &(0x7f0000000080)=r0}, 0x20) sendmsg$inet(r1, &(0x7f0000000500)={0x0, 0x0, 0x0}, 0x0) (fail_nth: 5) program did not crash testing program (duration=36.07825072s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): close-socketpair$unix-bpf$PROG_LOAD-bpf$MAP_CREATE-bpf$BPF_PROG_DETACH-bpf$MAP_UPDATE_ELEM_TAIL_CALL-sendmsg$inet detailed listing: executing program 0: close(0xffffffffffffffff) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = bpf$PROG_LOAD(0x5, &(0x7f000000e000)={0xe, 0x4, &(0x7f0000000540)=ANY=[@ANYBLOB="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"], &(0x7f0000003ff6)='GPL\x00', 0x4, 0xfd90, &(0x7f000000cf3d)=""/195, 0x0, 0x0, '\x00', 0x0, @sk_skb, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x366, 0x10, &(0x7f0000000000), 0x1dd, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x10, 0x0, @void, @value}, 0x48) r2 = bpf$MAP_CREATE(0x0, &(0x7f0000000200)=@base={0xf, 0x4, 0x4, 0x12, 0x0, 0xffffffffffffffff, 0x0, '\x00', 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, @void, @value, @void, @value}, 0x48) bpf$BPF_PROG_DETACH(0x8, &(0x7f0000000080)={@map=r2, r1, 0x26, 0x0, 0x0, @void, @value}, 0x10) bpf$MAP_UPDATE_ELEM_TAIL_CALL(0x2, &(0x7f00000000c0)={{r2}, &(0x7f0000000000), &(0x7f0000000080)}, 0x20) sendmsg$inet(r0, &(0x7f0000000500)={0x0, 0x0, 0x0}, 0x0) (fail_nth: 5) program did not crash testing program (duration=36.07825072s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$PROG_LOAD-close-socketpair$unix-bpf$PROG_LOAD-bpf$MAP_CREATE-bpf$BPF_PROG_DETACH-bpf$MAP_UPDATE_ELEM_TAIL_CALL-sendmsg$inet detailed listing: executing program 0: r0 = bpf$PROG_LOAD(0x5, &(0x7f000000e000)={0x10, 0x4, &(0x7f0000000040)=ANY=[@ANYBLOB="b4000000000000007910480000000000610400000000000095000000"], &(0x7f0000003ff6)='GPL\x00', 0x2, 0xfd90, &(0x7f000000cf3d)=""/195, 0x0, 0x0, '\x00', 0x0, @sk_msg, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x10, 0x0, @void, @value}, 0x48) close(r0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = bpf$PROG_LOAD(0x5, &(0x7f000000e000)={0xe, 0x4, &(0x7f0000000540)=ANY=[@ANYBLOB="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"], &(0x7f0000003ff6)='GPL\x00', 0x4, 0xfd90, &(0x7f000000cf3d)=""/195, 0x0, 0x0, '\x00', 0x0, @sk_skb, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x366, 0x10, &(0x7f0000000000), 0x1dd, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x10, 0x0, @void, @value}, 0x48) r3 = bpf$MAP_CREATE(0x0, &(0x7f0000000200)=@base={0xf, 0x4, 0x4, 0x12, 0x0, 0xffffffffffffffff, 0x0, '\x00', 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, @void, @value, @void, @value}, 0x48) bpf$BPF_PROG_DETACH(0x8, &(0x7f0000000080)={@map=r3, r2, 0x26, 0x0, 0x0, @void, @value}, 0x10) bpf$MAP_UPDATE_ELEM_TAIL_CALL(0x2, &(0x7f00000000c0)={{r3}, &(0x7f0000000000), &(0x7f0000000080)=r0}, 0x20) sendmsg$inet(r1, &(0x7f0000000500)={0x0, 0x0, 0x0}, 0x0) program did not crash testing program (duration=36.07825072s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$PROG_LOAD-close-socketpair$unix-bpf$PROG_LOAD-bpf$MAP_CREATE-bpf$BPF_PROG_DETACH-bpf$MAP_UPDATE_ELEM_TAIL_CALL-sendmsg$inet detailed listing: executing program 0: r0 = bpf$PROG_LOAD(0x5, 0x0, 0x0) close(r0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = bpf$PROG_LOAD(0x5, &(0x7f000000e000)={0xe, 0x4, &(0x7f0000000540)=ANY=[@ANYBLOB="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"], &(0x7f0000003ff6)='GPL\x00', 0x4, 0xfd90, &(0x7f000000cf3d)=""/195, 0x0, 0x0, '\x00', 0x0, @sk_skb, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x366, 0x10, &(0x7f0000000000), 0x1dd, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x10, 0x0, @void, @value}, 0x48) r3 = bpf$MAP_CREATE(0x0, &(0x7f0000000200)=@base={0xf, 0x4, 0x4, 0x12, 0x0, 0xffffffffffffffff, 0x0, '\x00', 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, @void, @value, @void, @value}, 0x48) bpf$BPF_PROG_DETACH(0x8, &(0x7f0000000080)={@map=r3, r2, 0x26, 0x0, 0x0, @void, @value}, 0x10) bpf$MAP_UPDATE_ELEM_TAIL_CALL(0x2, &(0x7f00000000c0)={{r3}, &(0x7f0000000000), &(0x7f0000000080)=r0}, 0x20) sendmsg$inet(r1, &(0x7f0000000500)={0x0, 0x0, 0x0}, 0x0) (fail_nth: 5) program did not crash testing program (duration=36.07825072s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$PROG_LOAD-close-socketpair$unix-bpf$PROG_LOAD-bpf$MAP_CREATE-bpf$BPF_PROG_DETACH-bpf$MAP_UPDATE_ELEM_TAIL_CALL-sendmsg$inet detailed listing: executing program 0: r0 = bpf$PROG_LOAD(0x5, &(0x7f000000e000)={0x10, 0x4, 0x0, &(0x7f0000003ff6)='GPL\x00', 0x2, 0xc3, &(0x7f000000cf3d)=""/195, 0x0, 0x0, '\x00', 0x0, @sk_msg, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x10, 0x0, @void, @value}, 0x94) close(r0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = bpf$PROG_LOAD(0x5, &(0x7f000000e000)={0xe, 0x4, &(0x7f0000000540)=ANY=[@ANYBLOB="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"], &(0x7f0000003ff6)='GPL\x00', 0x4, 0xfd90, &(0x7f000000cf3d)=""/195, 0x0, 0x0, '\x00', 0x0, @sk_skb, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x366, 0x10, &(0x7f0000000000), 0x1dd, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x10, 0x0, @void, @value}, 0x48) r3 = bpf$MAP_CREATE(0x0, &(0x7f0000000200)=@base={0xf, 0x4, 0x4, 0x12, 0x0, 0xffffffffffffffff, 0x0, '\x00', 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, @void, @value, @void, @value}, 0x48) bpf$BPF_PROG_DETACH(0x8, &(0x7f0000000080)={@map=r3, r2, 0x26, 0x0, 0x0, @void, @value}, 0x10) bpf$MAP_UPDATE_ELEM_TAIL_CALL(0x2, &(0x7f00000000c0)={{r3}, &(0x7f0000000000), &(0x7f0000000080)=r0}, 0x20) sendmsg$inet(r1, &(0x7f0000000500)={0x0, 0x0, 0x0}, 0x0) (fail_nth: 5) program did not crash testing program (duration=36.07825072s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$PROG_LOAD-close-socketpair$unix-bpf$PROG_LOAD-bpf$MAP_CREATE-bpf$BPF_PROG_DETACH-bpf$MAP_UPDATE_ELEM_TAIL_CALL-sendmsg$inet detailed listing: executing program 0: r0 = bpf$PROG_LOAD(0x5, &(0x7f000000e000)={0x10, 0x4, &(0x7f0000000040)=ANY=[@ANYBLOB], &(0x7f0000003ff6)='GPL\x00', 0x2, 0xc3, &(0x7f000000cf3d)=""/195, 0x0, 0x0, '\x00', 0x0, @sk_msg, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x10, 0x0, @void, @value}, 0x94) close(r0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = bpf$PROG_LOAD(0x5, &(0x7f000000e000)={0xe, 0x4, &(0x7f0000000540)=ANY=[@ANYBLOB="b4050000fdff7f006110580000000000c60000000000000095000000000000009f33ef60916e6e713f1eeb0b725ad99b817fd98cd824498949714ffaac8a6f770600dcca55f21f3ca9e822d182054d54d53cd2b6db714e4beb5447000001000000008f2b9000f22425e4097ed62cbc891061017cfa6fa26fa7088c60897d4a6148a1c1e43f00001bde60beac671e8e8fdecb03588aa623fa71f31bf0f871ab5c2ff88afc60027f4e5b5271ed58e835cf0d0000000098b51fe6b1b8d9dbe87dcff414ed000000000000000000000000000000000000000000000000000000b347abe6352a080f8140e5fd10747b6ecdb3540546bf636e3d6e700e5b0500000000000000eb9e1403e6c8f7a187eaf60f3a17f0f046a307a403c19d9829c90bd2114252581567acae715cbe1b57d5cda432c5b910400623d24195405f2e76ccb7b37b41215c184e731fb1"], &(0x7f0000003ff6)='GPL\x00', 0x4, 0xfd90, &(0x7f000000cf3d)=""/195, 0x0, 0x0, '\x00', 0x0, @sk_skb, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x366, 0x10, &(0x7f0000000000), 0x1dd, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x10, 0x0, @void, @value}, 0x48) r3 = bpf$MAP_CREATE(0x0, &(0x7f0000000200)=@base={0xf, 0x4, 0x4, 0x12, 0x0, 0xffffffffffffffff, 0x0, '\x00', 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, @void, @value, @void, @value}, 0x48) bpf$BPF_PROG_DETACH(0x8, &(0x7f0000000080)={@map=r3, r2, 0x26, 0x0, 0x0, @void, @value}, 0x10) bpf$MAP_UPDATE_ELEM_TAIL_CALL(0x2, &(0x7f00000000c0)={{r3}, &(0x7f0000000000), &(0x7f0000000080)=r0}, 0x20) sendmsg$inet(r1, &(0x7f0000000500)={0x0, 0x0, 0x0}, 0x0) (fail_nth: 5) program did not crash testing program (duration=36.07825072s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$PROG_LOAD-close-socketpair$unix-bpf$PROG_LOAD-bpf$MAP_CREATE-bpf$BPF_PROG_DETACH-bpf$MAP_UPDATE_ELEM_TAIL_CALL-sendmsg$inet detailed listing: executing program 0: r0 = bpf$PROG_LOAD(0x5, &(0x7f000000e000)={0x10, 0x4, &(0x7f0000000040)=ANY=[@ANYBLOB="b4000000000000007910480000000000610400000000000095000000"], 0x0, 0x2, 0xc3, &(0x7f000000cf3d)=""/195, 0x0, 0x0, '\x00', 0x0, @sk_msg, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x10, 0x0, @void, @value}, 0x94) close(r0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = bpf$PROG_LOAD(0x5, &(0x7f000000e000)={0xe, 0x4, &(0x7f0000000540)=ANY=[@ANYBLOB="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"], &(0x7f0000003ff6)='GPL\x00', 0x4, 0xfd90, &(0x7f000000cf3d)=""/195, 0x0, 0x0, '\x00', 0x0, @sk_skb, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x366, 0x10, &(0x7f0000000000), 0x1dd, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x10, 0x0, @void, @value}, 0x48) r3 = bpf$MAP_CREATE(0x0, &(0x7f0000000200)=@base={0xf, 0x4, 0x4, 0x12, 0x0, 0xffffffffffffffff, 0x0, '\x00', 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, @void, @value, @void, @value}, 0x48) bpf$BPF_PROG_DETACH(0x8, &(0x7f0000000080)={@map=r3, r2, 0x26, 0x0, 0x0, @void, @value}, 0x10) bpf$MAP_UPDATE_ELEM_TAIL_CALL(0x2, &(0x7f00000000c0)={{r3}, &(0x7f0000000000), &(0x7f0000000080)=r0}, 0x20) sendmsg$inet(r1, &(0x7f0000000500)={0x0, 0x0, 0x0}, 0x0) (fail_nth: 5) program did not crash testing program (duration=36.07825072s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$PROG_LOAD-close-socketpair$unix-bpf$PROG_LOAD-bpf$MAP_CREATE-bpf$BPF_PROG_DETACH-bpf$MAP_UPDATE_ELEM_TAIL_CALL-sendmsg$inet detailed listing: executing program 0: r0 = bpf$PROG_LOAD(0x5, &(0x7f000000e000)={0x10, 0x4, &(0x7f0000000040)=ANY=[@ANYBLOB="b4000000000000007910480000000000610400000000000095000000"], &(0x7f0000003ff6)='GPL\x00', 0x2, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @sk_msg, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x10, 0x0, @void, @value}, 0x94) close(r0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = bpf$PROG_LOAD(0x5, &(0x7f000000e000)={0xe, 0x4, &(0x7f0000000540)=ANY=[@ANYBLOB="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"], &(0x7f0000003ff6)='GPL\x00', 0x4, 0xfd90, &(0x7f000000cf3d)=""/195, 0x0, 0x0, '\x00', 0x0, @sk_skb, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x366, 0x10, &(0x7f0000000000), 0x1dd, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x10, 0x0, @void, @value}, 0x48) r3 = bpf$MAP_CREATE(0x0, &(0x7f0000000200)=@base={0xf, 0x4, 0x4, 0x12, 0x0, 0xffffffffffffffff, 0x0, '\x00', 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, @void, @value, @void, @value}, 0x48) bpf$BPF_PROG_DETACH(0x8, &(0x7f0000000080)={@map=r3, r2, 0x26, 0x0, 0x0, @void, @value}, 0x10) bpf$MAP_UPDATE_ELEM_TAIL_CALL(0x2, &(0x7f00000000c0)={{r3}, &(0x7f0000000000), &(0x7f0000000080)=r0}, 0x20) sendmsg$inet(r1, &(0x7f0000000500)={0x0, 0x0, 0x0}, 0x0) (fail_nth: 5) program did not crash testing program (duration=36.07825072s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$PROG_LOAD-close-socketpair$unix-bpf$PROG_LOAD-bpf$MAP_CREATE-bpf$BPF_PROG_DETACH-bpf$MAP_UPDATE_ELEM_TAIL_CALL-sendmsg$inet detailed listing: executing program 0: r0 = bpf$PROG_LOAD(0x5, &(0x7f000000e000)={0x10, 0x4, &(0x7f0000000040)=ANY=[@ANYBLOB="b4000000000000007910480000000000610400000000000095000000"], &(0x7f0000003ff6)='GPL\x00', 0x2, 0xfd90, &(0x7f000000cf3d)=""/195, 0x0, 0x0, '\x00', 0x0, @sk_msg, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x10, 0x0, @void, @value}, 0x48) close(r0) socketpair$unix(0x1, 0x2, 0x0, 0x0) r1 = bpf$PROG_LOAD(0x5, &(0x7f000000e000)={0xe, 0x4, &(0x7f0000000540)=ANY=[@ANYBLOB="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"], &(0x7f0000003ff6)='GPL\x00', 0x4, 0xfd90, &(0x7f000000cf3d)=""/195, 0x0, 0x0, '\x00', 0x0, @sk_skb, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x366, 0x10, &(0x7f0000000000), 0x1dd, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x10, 0x0, @void, @value}, 0x48) r2 = bpf$MAP_CREATE(0x0, &(0x7f0000000200)=@base={0xf, 0x4, 0x4, 0x12, 0x0, 0xffffffffffffffff, 0x0, '\x00', 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, @void, @value, @void, @value}, 0x48) bpf$BPF_PROG_DETACH(0x8, &(0x7f0000000080)={@map=r2, r1, 0x26, 0x0, 0x0, @void, @value}, 0x10) bpf$MAP_UPDATE_ELEM_TAIL_CALL(0x2, &(0x7f00000000c0)={{r2}, &(0x7f0000000000), &(0x7f0000000080)=r0}, 0x20) sendmsg$inet(0xffffffffffffffff, &(0x7f0000000500)={0x0, 0x0, 0x0}, 0x0) (fail_nth: 5) program did not crash testing program (duration=36.07825072s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$PROG_LOAD-close-socketpair$unix-bpf$PROG_LOAD-bpf$MAP_CREATE-bpf$BPF_PROG_DETACH-bpf$MAP_UPDATE_ELEM_TAIL_CALL-sendmsg$inet detailed listing: executing program 0: r0 = bpf$PROG_LOAD(0x5, &(0x7f000000e000)={0x10, 0x4, &(0x7f0000000040)=ANY=[@ANYBLOB="b4000000000000007910480000000000610400000000000095000000"], &(0x7f0000003ff6)='GPL\x00', 0x2, 0xfd90, &(0x7f000000cf3d)=""/195, 0x0, 0x0, '\x00', 0x0, @sk_msg, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x10, 0x0, @void, @value}, 0x48) close(r0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = bpf$PROG_LOAD(0x5, 0x0, 0x0) r3 = bpf$MAP_CREATE(0x0, &(0x7f0000000200)=@base={0xf, 0x4, 0x4, 0x12, 0x0, 0xffffffffffffffff, 0x0, '\x00', 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, @void, @value, @void, @value}, 0x48) bpf$BPF_PROG_DETACH(0x8, &(0x7f0000000080)={@map=r3, r2, 0x26, 0x0, 0x0, @void, @value}, 0x10) bpf$MAP_UPDATE_ELEM_TAIL_CALL(0x2, &(0x7f00000000c0)={{r3}, &(0x7f0000000000), &(0x7f0000000080)=r0}, 0x20) sendmsg$inet(r1, &(0x7f0000000500)={0x0, 0x0, 0x0}, 0x0) (fail_nth: 5) program did not crash testing program (duration=36.07825072s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$PROG_LOAD-close-socketpair$unix-bpf$PROG_LOAD-bpf$MAP_CREATE-bpf$BPF_PROG_DETACH-bpf$MAP_UPDATE_ELEM_TAIL_CALL-sendmsg$inet detailed listing: executing program 0: r0 = bpf$PROG_LOAD(0x5, &(0x7f000000e000)={0x10, 0x4, &(0x7f0000000040)=ANY=[@ANYBLOB="b4000000000000007910480000000000610400000000000095000000"], &(0x7f0000003ff6)='GPL\x00', 0x2, 0xfd90, &(0x7f000000cf3d)=""/195, 0x0, 0x0, '\x00', 0x0, @sk_msg, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x10, 0x0, @void, @value}, 0x48) close(r0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = bpf$PROG_LOAD(0x5, &(0x7f000000e000)={0xe, 0x4, 0x0, &(0x7f0000003ff6)='GPL\x00', 0x4, 0xc3, &(0x7f000000cf3d)=""/195, 0x0, 0x0, '\x00', 0x0, @sk_skb, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x8, 0x10, &(0x7f0000000000), 0x10, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x10, 0x0, @void, @value}, 0x94) r3 = bpf$MAP_CREATE(0x0, &(0x7f0000000200)=@base={0xf, 0x4, 0x4, 0x12, 0x0, 0xffffffffffffffff, 0x0, '\x00', 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, @void, @value, @void, @value}, 0x48) bpf$BPF_PROG_DETACH(0x8, &(0x7f0000000080)={@map=r3, r2, 0x26, 0x0, 0x0, @void, @value}, 0x10) bpf$MAP_UPDATE_ELEM_TAIL_CALL(0x2, &(0x7f00000000c0)={{r3}, &(0x7f0000000000), &(0x7f0000000080)=r0}, 0x20) sendmsg$inet(r1, &(0x7f0000000500)={0x0, 0x0, 0x0}, 0x0) (fail_nth: 5) program did not crash testing program (duration=36.07825072s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$PROG_LOAD-close-socketpair$unix-bpf$PROG_LOAD-bpf$MAP_CREATE-bpf$BPF_PROG_DETACH-bpf$MAP_UPDATE_ELEM_TAIL_CALL-sendmsg$inet detailed listing: executing program 0: r0 = bpf$PROG_LOAD(0x5, &(0x7f000000e000)={0x10, 0x4, &(0x7f0000000040)=ANY=[@ANYBLOB="b4000000000000007910480000000000610400000000000095000000"], &(0x7f0000003ff6)='GPL\x00', 0x2, 0xfd90, &(0x7f000000cf3d)=""/195, 0x0, 0x0, '\x00', 0x0, @sk_msg, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x10, 0x0, @void, @value}, 0x48) close(r0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = bpf$PROG_LOAD(0x5, &(0x7f000000e000)={0xe, 0x4, &(0x7f0000000540)=ANY=[@ANYBLOB], &(0x7f0000003ff6)='GPL\x00', 0x4, 0xc3, &(0x7f000000cf3d)=""/195, 0x0, 0x0, '\x00', 0x0, @sk_skb, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x8, 0x10, &(0x7f0000000000), 0x10, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x10, 0x0, @void, @value}, 0x94) r3 = bpf$MAP_CREATE(0x0, &(0x7f0000000200)=@base={0xf, 0x4, 0x4, 0x12, 0x0, 0xffffffffffffffff, 0x0, '\x00', 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, @void, @value, @void, @value}, 0x48) bpf$BPF_PROG_DETACH(0x8, &(0x7f0000000080)={@map=r3, r2, 0x26, 0x0, 0x0, @void, @value}, 0x10) bpf$MAP_UPDATE_ELEM_TAIL_CALL(0x2, &(0x7f00000000c0)={{r3}, &(0x7f0000000000), &(0x7f0000000080)=r0}, 0x20) sendmsg$inet(r1, &(0x7f0000000500)={0x0, 0x0, 0x0}, 0x0) (fail_nth: 5) program did not crash testing program (duration=36.07825072s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$PROG_LOAD-close-socketpair$unix-bpf$PROG_LOAD-bpf$MAP_CREATE-bpf$BPF_PROG_DETACH-bpf$MAP_UPDATE_ELEM_TAIL_CALL-sendmsg$inet detailed listing: executing program 0: r0 = bpf$PROG_LOAD(0x5, &(0x7f000000e000)={0x10, 0x4, &(0x7f0000000040)=ANY=[@ANYBLOB="b4000000000000007910480000000000610400000000000095000000"], &(0x7f0000003ff6)='GPL\x00', 0x2, 0xfd90, &(0x7f000000cf3d)=""/195, 0x0, 0x0, '\x00', 0x0, @sk_msg, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x10, 0x0, @void, @value}, 0x48) close(r0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = bpf$PROG_LOAD(0x5, &(0x7f000000e000)={0xe, 0x4, &(0x7f0000000540)=ANY=[@ANYBLOB="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"], 0x0, 0x4, 0xc3, &(0x7f000000cf3d)=""/195, 0x0, 0x0, '\x00', 0x0, @sk_skb, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x8, 0x10, &(0x7f0000000000), 0x10, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x10, 0x0, @void, @value}, 0x94) r3 = bpf$MAP_CREATE(0x0, &(0x7f0000000200)=@base={0xf, 0x4, 0x4, 0x12, 0x0, 0xffffffffffffffff, 0x0, '\x00', 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, @void, @value, @void, @value}, 0x48) bpf$BPF_PROG_DETACH(0x8, &(0x7f0000000080)={@map=r3, r2, 0x26, 0x0, 0x0, @void, @value}, 0x10) bpf$MAP_UPDATE_ELEM_TAIL_CALL(0x2, &(0x7f00000000c0)={{r3}, &(0x7f0000000000), &(0x7f0000000080)=r0}, 0x20) sendmsg$inet(r1, &(0x7f0000000500)={0x0, 0x0, 0x0}, 0x0) (fail_nth: 5) program did not crash testing program (duration=36.07825072s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$PROG_LOAD-close-socketpair$unix-bpf$PROG_LOAD-bpf$MAP_CREATE-bpf$BPF_PROG_DETACH-bpf$MAP_UPDATE_ELEM_TAIL_CALL-sendmsg$inet detailed listing: executing program 0: r0 = bpf$PROG_LOAD(0x5, &(0x7f000000e000)={0x10, 0x4, &(0x7f0000000040)=ANY=[@ANYBLOB="b4000000000000007910480000000000610400000000000095000000"], &(0x7f0000003ff6)='GPL\x00', 0x2, 0xfd90, &(0x7f000000cf3d)=""/195, 0x0, 0x0, '\x00', 0x0, @sk_msg, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x10, 0x0, @void, @value}, 0x48) close(r0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = bpf$PROG_LOAD(0x5, &(0x7f000000e000)={0xe, 0x4, &(0x7f0000000540)=ANY=[@ANYBLOB="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"], &(0x7f0000003ff6)='GPL\x00', 0x4, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @sk_skb, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x8, 0x10, &(0x7f0000000000), 0x10, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x10, 0x0, @void, @value}, 0x94) r3 = bpf$MAP_CREATE(0x0, &(0x7f0000000200)=@base={0xf, 0x4, 0x4, 0x12, 0x0, 0xffffffffffffffff, 0x0, '\x00', 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, @void, @value, @void, @value}, 0x48) bpf$BPF_PROG_DETACH(0x8, &(0x7f0000000080)={@map=r3, r2, 0x26, 0x0, 0x0, @void, @value}, 0x10) bpf$MAP_UPDATE_ELEM_TAIL_CALL(0x2, &(0x7f00000000c0)={{r3}, &(0x7f0000000000), &(0x7f0000000080)=r0}, 0x20) sendmsg$inet(r1, &(0x7f0000000500)={0x0, 0x0, 0x0}, 0x0) (fail_nth: 5) program did not crash testing program (duration=36.07825072s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$PROG_LOAD-close-socketpair$unix-bpf$PROG_LOAD-bpf$MAP_CREATE-bpf$BPF_PROG_DETACH-bpf$MAP_UPDATE_ELEM_TAIL_CALL-sendmsg$inet detailed listing: executing program 0: r0 = bpf$PROG_LOAD(0x5, &(0x7f000000e000)={0x10, 0x4, &(0x7f0000000040)=ANY=[@ANYBLOB="b4000000000000007910480000000000610400000000000095000000"], &(0x7f0000003ff6)='GPL\x00', 0x2, 0xfd90, &(0x7f000000cf3d)=""/195, 0x0, 0x0, '\x00', 0x0, @sk_msg, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x10, 0x0, @void, @value}, 0x48) close(r0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = bpf$PROG_LOAD(0x5, &(0x7f000000e000)={0xe, 0x4, &(0x7f0000000540)=ANY=[@ANYBLOB="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"], &(0x7f0000003ff6)='GPL\x00', 0x4, 0xc3, &(0x7f000000cf3d)=""/195, 0x0, 0x0, '\x00', 0x0, @sk_skb, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, &(0x7f0000000000), 0x10, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x10, 0x0, @void, @value}, 0x94) r3 = bpf$MAP_CREATE(0x0, &(0x7f0000000200)=@base={0xf, 0x4, 0x4, 0x12, 0x0, 0xffffffffffffffff, 0x0, '\x00', 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, @void, @value, @void, @value}, 0x48) bpf$BPF_PROG_DETACH(0x8, &(0x7f0000000080)={@map=r3, r2, 0x26, 0x0, 0x0, @void, @value}, 0x10) bpf$MAP_UPDATE_ELEM_TAIL_CALL(0x2, &(0x7f00000000c0)={{r3}, &(0x7f0000000000), &(0x7f0000000080)=r0}, 0x20) sendmsg$inet(r1, &(0x7f0000000500)={0x0, 0x0, 0x0}, 0x0) (fail_nth: 5) program did not crash testing program (duration=36.07825072s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$PROG_LOAD-close-socketpair$unix-bpf$PROG_LOAD-bpf$MAP_CREATE-bpf$BPF_PROG_DETACH-bpf$MAP_UPDATE_ELEM_TAIL_CALL-sendmsg$inet detailed listing: executing program 0: r0 = bpf$PROG_LOAD(0x5, &(0x7f000000e000)={0x10, 0x4, &(0x7f0000000040)=ANY=[@ANYBLOB="b4000000000000007910480000000000610400000000000095000000"], &(0x7f0000003ff6)='GPL\x00', 0x2, 0xfd90, &(0x7f000000cf3d)=""/195, 0x0, 0x0, '\x00', 0x0, @sk_msg, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x10, 0x0, @void, @value}, 0x48) close(r0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = bpf$PROG_LOAD(0x5, &(0x7f000000e000)={0xe, 0x4, &(0x7f0000000540)=ANY=[@ANYBLOB="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"], &(0x7f0000003ff6)='GPL\x00', 0x4, 0xc3, &(0x7f000000cf3d)=""/195, 0x0, 0x0, '\x00', 0x0, @sk_skb, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x8, 0x10, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x10, 0x0, @void, @value}, 0x94) r3 = bpf$MAP_CREATE(0x0, &(0x7f0000000200)=@base={0xf, 0x4, 0x4, 0x12, 0x0, 0xffffffffffffffff, 0x0, '\x00', 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, @void, @value, @void, @value}, 0x48) bpf$BPF_PROG_DETACH(0x8, &(0x7f0000000080)={@map=r3, r2, 0x26, 0x0, 0x0, @void, @value}, 0x10) bpf$MAP_UPDATE_ELEM_TAIL_CALL(0x2, &(0x7f00000000c0)={{r3}, &(0x7f0000000000), &(0x7f0000000080)=r0}, 0x20) sendmsg$inet(r1, &(0x7f0000000500)={0x0, 0x0, 0x0}, 0x0) (fail_nth: 5) program did not crash testing program (duration=36.07825072s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$PROG_LOAD-close-socketpair$unix-bpf$PROG_LOAD-bpf$MAP_CREATE-bpf$BPF_PROG_DETACH-bpf$MAP_UPDATE_ELEM_TAIL_CALL-sendmsg$inet detailed listing: executing program 0: r0 = bpf$PROG_LOAD(0x5, &(0x7f000000e000)={0x10, 0x4, &(0x7f0000000040)=ANY=[@ANYBLOB="b4000000000000007910480000000000610400000000000095000000"], &(0x7f0000003ff6)='GPL\x00', 0x2, 0xfd90, &(0x7f000000cf3d)=""/195, 0x0, 0x0, '\x00', 0x0, @sk_msg, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x10, 0x0, @void, @value}, 0x48) close(r0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = bpf$PROG_LOAD(0x5, &(0x7f000000e000)={0xe, 0x4, &(0x7f0000000540)=ANY=[@ANYBLOB="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"], &(0x7f0000003ff6)='GPL\x00', 0x4, 0xfd90, &(0x7f000000cf3d)=""/195, 0x0, 0x0, '\x00', 0x0, @sk_skb, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x366, 0x10, &(0x7f0000000000), 0x1dd, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x10, 0x0, @void, @value}, 0x48) r3 = bpf$MAP_CREATE(0x0, 0x0, 0x0) bpf$BPF_PROG_DETACH(0x8, &(0x7f0000000080)={@map=r3, r2, 0x26, 0x0, 0x0, @void, @value}, 0x10) bpf$MAP_UPDATE_ELEM_TAIL_CALL(0x2, &(0x7f00000000c0)={{r3}, &(0x7f0000000000), &(0x7f0000000080)=r0}, 0x20) sendmsg$inet(r1, &(0x7f0000000500)={0x0, 0x0, 0x0}, 0x0) (fail_nth: 5) program did not crash testing program (duration=36.07825072s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$PROG_LOAD-close-socketpair$unix-bpf$PROG_LOAD-bpf$MAP_CREATE-bpf$BPF_PROG_DETACH-bpf$MAP_UPDATE_ELEM_TAIL_CALL-sendmsg$inet detailed listing: executing program 0: r0 = bpf$PROG_LOAD(0x5, &(0x7f000000e000)={0x10, 0x4, &(0x7f0000000040)=ANY=[@ANYBLOB="b4000000000000007910480000000000610400000000000095000000"], &(0x7f0000003ff6)='GPL\x00', 0x2, 0xfd90, &(0x7f000000cf3d)=""/195, 0x0, 0x0, '\x00', 0x0, @sk_msg, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x10, 0x0, @void, @value}, 0x48) close(r0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}) bpf$PROG_LOAD(0x5, &(0x7f000000e000)={0xe, 0x4, &(0x7f0000000540)=ANY=[@ANYBLOB="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"], &(0x7f0000003ff6)='GPL\x00', 0x4, 0xfd90, &(0x7f000000cf3d)=""/195, 0x0, 0x0, '\x00', 0x0, @sk_skb, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x366, 0x10, &(0x7f0000000000), 0x1dd, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x10, 0x0, @void, @value}, 0x48) r2 = bpf$MAP_CREATE(0x0, &(0x7f0000000200)=@base={0xf, 0x4, 0x4, 0x12, 0x0, 0xffffffffffffffff, 0x0, '\x00', 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, @void, @value, @void, @value}, 0x48) bpf$BPF_PROG_DETACH(0x8, 0x0, 0x0) bpf$MAP_UPDATE_ELEM_TAIL_CALL(0x2, &(0x7f00000000c0)={{r2}, &(0x7f0000000000), &(0x7f0000000080)=r0}, 0x20) sendmsg$inet(r1, &(0x7f0000000500)={0x0, 0x0, 0x0}, 0x0) (fail_nth: 5) program did not crash testing program (duration=36.07825072s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$PROG_LOAD-close-socketpair$unix-bpf$PROG_LOAD-bpf$MAP_CREATE-bpf$BPF_PROG_DETACH-bpf$MAP_UPDATE_ELEM_TAIL_CALL-sendmsg$inet detailed listing: executing program 0: r0 = bpf$PROG_LOAD(0x5, &(0x7f000000e000)={0x10, 0x4, &(0x7f0000000040)=ANY=[@ANYBLOB="b4000000000000007910480000000000610400000000000095000000"], &(0x7f0000003ff6)='GPL\x00', 0x2, 0xfd90, &(0x7f000000cf3d)=""/195, 0x0, 0x0, '\x00', 0x0, @sk_msg, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x10, 0x0, @void, @value}, 0x48) close(r0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = bpf$PROG_LOAD(0x5, &(0x7f000000e000)={0xe, 0x4, &(0x7f0000000540)=ANY=[@ANYBLOB="b4050000fdff7f006110580000000000c60000000000000095000000000000009f33ef60916e6e713f1eeb0b725ad99b817fd98cd824498949714ffaac8a6f770600dcca55f21f3ca9e822d182054d54d53cd2b6db714e4beb5447000001000000008f2b9000f22425e4097ed62cbc891061017cfa6fa26fa7088c60897d4a6148a1c1e43f00001bde60beac671e8e8fdecb03588aa623fa71f31bf0f871ab5c2ff88afc60027f4e5b5271ed58e835cf0d0000000098b51fe6b1b8d9dbe87dcff414ed000000000000000000000000000000000000000000000000000000b347abe6352a080f8140e5fd10747b6ecdb3540546bf636e3d6e700e5b0500000000000000eb9e1403e6c8f7a187eaf60f3a17f0f046a307a403c19d9829c90bd2114252581567acae715cbe1b57d5cda432c5b910400623d24195405f2e76ccb7b37b41215c184e731fb1"], &(0x7f0000003ff6)='GPL\x00', 0x4, 0xfd90, &(0x7f000000cf3d)=""/195, 0x0, 0x0, '\x00', 0x0, @sk_skb, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x366, 0x10, &(0x7f0000000000), 0x1dd, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x10, 0x0, @void, @value}, 0x48) r3 = bpf$MAP_CREATE(0x0, &(0x7f0000000200)=@base={0xf, 0x4, 0x4, 0x12, 0x0, 0xffffffffffffffff, 0x0, '\x00', 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, @void, @value, @void, @value}, 0x48) bpf$BPF_PROG_DETACH(0x8, &(0x7f0000000080)={@map=r3, r2, 0x26, 0x0, 0x0, @void, @value}, 0x10) bpf$MAP_UPDATE_ELEM_TAIL_CALL(0x2, 0x0, 0x0) sendmsg$inet(r1, &(0x7f0000000500)={0x0, 0x0, 0x0}, 0x0) (fail_nth: 5) program did not crash testing program (duration=36.07825072s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$PROG_LOAD-close-socketpair$unix-bpf$PROG_LOAD-bpf$MAP_CREATE-bpf$BPF_PROG_DETACH-bpf$MAP_UPDATE_ELEM_TAIL_CALL-sendmsg$inet detailed listing: executing program 0: r0 = bpf$PROG_LOAD(0x5, &(0x7f000000e000)={0x10, 0x4, &(0x7f0000000040)=ANY=[@ANYBLOB="b4000000000000007910480000000000610400000000000095000000"], &(0x7f0000003ff6)='GPL\x00', 0x2, 0xfd90, &(0x7f000000cf3d)=""/195, 0x0, 0x0, '\x00', 0x0, @sk_msg, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x10, 0x0, @void, @value}, 0x48) close(r0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = bpf$PROG_LOAD(0x5, &(0x7f000000e000)={0xe, 0x4, &(0x7f0000000540)=ANY=[@ANYBLOB="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"], &(0x7f0000003ff6)='GPL\x00', 0x4, 0xfd90, &(0x7f000000cf3d)=""/195, 0x0, 0x0, '\x00', 0x0, @sk_skb, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x366, 0x10, &(0x7f0000000000), 0x1dd, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x10, 0x0, @void, @value}, 0x48) r3 = bpf$MAP_CREATE(0x0, &(0x7f0000000200)=@base={0xf, 0x4, 0x4, 0x12, 0x0, 0xffffffffffffffff, 0x0, '\x00', 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, @void, @value, @void, @value}, 0x48) bpf$BPF_PROG_DETACH(0x8, &(0x7f0000000080)={@map=r3, r2, 0x26, 0x0, 0x0, @void, @value}, 0x10) bpf$MAP_UPDATE_ELEM_TAIL_CALL(0x2, &(0x7f00000000c0)={{r3}, 0x0, &(0x7f0000000080)=r0}, 0x20) sendmsg$inet(r1, &(0x7f0000000500)={0x0, 0x0, 0x0}, 0x0) (fail_nth: 5) program did not crash testing program (duration=36.07825072s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$PROG_LOAD-close-socketpair$unix-bpf$PROG_LOAD-bpf$MAP_CREATE-bpf$BPF_PROG_DETACH-bpf$MAP_UPDATE_ELEM_TAIL_CALL-sendmsg$inet detailed listing: executing program 0: r0 = bpf$PROG_LOAD(0x5, &(0x7f000000e000)={0x10, 0x4, &(0x7f0000000040)=ANY=[@ANYBLOB="b4000000000000007910480000000000610400000000000095000000"], &(0x7f0000003ff6)='GPL\x00', 0x2, 0xfd90, &(0x7f000000cf3d)=""/195, 0x0, 0x0, '\x00', 0x0, @sk_msg, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x10, 0x0, @void, @value}, 0x48) close(r0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = bpf$PROG_LOAD(0x5, &(0x7f000000e000)={0xe, 0x4, &(0x7f0000000540)=ANY=[@ANYBLOB="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"], &(0x7f0000003ff6)='GPL\x00', 0x4, 0xfd90, &(0x7f000000cf3d)=""/195, 0x0, 0x0, '\x00', 0x0, @sk_skb, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x366, 0x10, &(0x7f0000000000), 0x1dd, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x10, 0x0, @void, @value}, 0x48) r3 = bpf$MAP_CREATE(0x0, &(0x7f0000000200)=@base={0xf, 0x4, 0x4, 0x12, 0x0, 0xffffffffffffffff, 0x0, '\x00', 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, @void, @value, @void, @value}, 0x48) bpf$BPF_PROG_DETACH(0x8, &(0x7f0000000080)={@map=r3, r2, 0x26, 0x0, 0x0, @void, @value}, 0x10) bpf$MAP_UPDATE_ELEM_TAIL_CALL(0x2, &(0x7f00000000c0)={{r3}, &(0x7f0000000000), 0x0}, 0x20) sendmsg$inet(r1, &(0x7f0000000500)={0x0, 0x0, 0x0}, 0x0) (fail_nth: 5) program did not crash testing program (duration=36.07825072s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$PROG_LOAD-close-socketpair$unix-bpf$PROG_LOAD-bpf$MAP_CREATE-bpf$BPF_PROG_DETACH-bpf$MAP_UPDATE_ELEM_TAIL_CALL-sendmsg$inet detailed listing: executing program 0: r0 = bpf$PROG_LOAD(0x5, &(0x7f000000e000)={0x10, 0x4, &(0x7f0000000040)=ANY=[@ANYBLOB="b4000000000000007910480000000000610400000000000095000000"], &(0x7f0000003ff6)='GPL\x00', 0x2, 0xfd90, &(0x7f000000cf3d)=""/195, 0x0, 0x0, '\x00', 0x0, @sk_msg, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x10, 0x0, @void, @value}, 0x48) close(r0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = bpf$PROG_LOAD(0x5, &(0x7f000000e000)={0xe, 0x4, &(0x7f0000000540)=ANY=[@ANYBLOB="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"], &(0x7f0000003ff6)='GPL\x00', 0x4, 0xfd90, &(0x7f000000cf3d)=""/195, 0x0, 0x0, '\x00', 0x0, @sk_skb, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x366, 0x10, &(0x7f0000000000), 0x1dd, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x10, 0x0, @void, @value}, 0x48) r3 = bpf$MAP_CREATE(0x0, &(0x7f0000000200)=@base={0xf, 0x4, 0x4, 0x12, 0x0, 0xffffffffffffffff, 0x0, '\x00', 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, @void, @value, @void, @value}, 0x48) bpf$BPF_PROG_DETACH(0x8, &(0x7f0000000080)={@map=r3, r2, 0x26, 0x0, 0x0, @void, @value}, 0x10) bpf$MAP_UPDATE_ELEM_TAIL_CALL(0x2, &(0x7f00000000c0)={{r3}, &(0x7f0000000000), &(0x7f0000000080)=r0}, 0x20) sendmsg$inet(r1, 0x0, 0x0) (fail_nth: 5) program did not crash extracting C reproducer testing compiled C program (duration=36.07825072s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$PROG_LOAD-close-socketpair$unix-bpf$PROG_LOAD-bpf$MAP_CREATE-bpf$BPF_PROG_DETACH-bpf$MAP_UPDATE_ELEM_TAIL_CALL-sendmsg$inet program crashed: KASAN: use-after-free Read in consume_skb simplifying C reproducer testing compiled C program (duration=36.07825072s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$PROG_LOAD-close-socketpair$unix-bpf$PROG_LOAD-bpf$MAP_CREATE-bpf$BPF_PROG_DETACH-bpf$MAP_UPDATE_ELEM_TAIL_CALL-sendmsg$inet program crashed: KASAN: use-after-free Read in consume_skb testing compiled C program (duration=36.07825072s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$PROG_LOAD-close-socketpair$unix-bpf$PROG_LOAD-bpf$MAP_CREATE-bpf$BPF_PROG_DETACH-bpf$MAP_UPDATE_ELEM_TAIL_CALL-sendmsg$inet program did not crash testing compiled C program (duration=36.07825072s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$PROG_LOAD-close-socketpair$unix-bpf$PROG_LOAD-bpf$MAP_CREATE-bpf$BPF_PROG_DETACH-bpf$MAP_UPDATE_ELEM_TAIL_CALL-sendmsg$inet program crashed: KASAN: use-after-free Read in consume_skb testing compiled C program (duration=36.07825072s, {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}}): bpf$PROG_LOAD-close-socketpair$unix-bpf$PROG_LOAD-bpf$MAP_CREATE-bpf$BPF_PROG_DETACH-bpf$MAP_UPDATE_ELEM_TAIL_CALL-sendmsg$inet program crashed: KASAN: use-after-free Read in consume_skb testing compiled C program (duration=36.07825072s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$PROG_LOAD-close-socketpair$unix-bpf$PROG_LOAD-bpf$MAP_CREATE-bpf$BPF_PROG_DETACH-bpf$MAP_UPDATE_ELEM_TAIL_CALL-sendmsg$inet program crashed: KASAN: use-after-free Read in consume_skb testing compiled C program (duration=36.07825072s, {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}}): bpf$PROG_LOAD-close-socketpair$unix-bpf$PROG_LOAD-bpf$MAP_CREATE-bpf$BPF_PROG_DETACH-bpf$MAP_UPDATE_ELEM_TAIL_CALL-sendmsg$inet program crashed: KASAN: use-after-free Read in consume_skb testing compiled C program (duration=36.07825072s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$PROG_LOAD-close-socketpair$unix-bpf$PROG_LOAD-bpf$MAP_CREATE-bpf$BPF_PROG_DETACH-bpf$MAP_UPDATE_ELEM_TAIL_CALL-sendmsg$inet program crashed: KASAN: use-after-free Read in consume_skb reproducing took 28m12.04515853s repro crashed as (corrupted=false): ================================================================== BUG: KASAN: use-after-free in instrument_atomic_read include/linux/instrumented.h:71 [inline] BUG: KASAN: use-after-free in atomic_read include/linux/atomic/atomic-instrumented.h:27 [inline] BUG: KASAN: use-after-free in refcount_read include/linux/refcount.h:147 [inline] BUG: KASAN: use-after-free in skb_unref include/linux/skbuff.h:1131 [inline] BUG: KASAN: use-after-free in consume_skb+0x3a/0x1f0 net/core/skbuff.c:926 Read of size 4 at addr ffff888120064d6c by task kworker/0:1/20 CPU: 0 PID: 20 Comm: kworker/0:1 Not tainted 5.15.185-syzkaller-00339-ge678c93d43cc #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 Workqueue: events bpf_map_free_deferred Call Trace: __dump_stack+0x21/0x30 lib/dump_stack.c:88 dump_stack_lvl+0xee/0x150 lib/dump_stack.c:106 print_address_description+0x7f/0x2c0 mm/kasan/report.c:248 __kasan_report mm/kasan/report.c:427 [inline] kasan_report+0xf1/0x140 mm/kasan/report.c:444 check_region_inline mm/kasan/generic.c:-1 [inline] kasan_check_range+0x280/0x290 mm/kasan/generic.c:189 __kasan_check_read+0x11/0x20 mm/kasan/shadow.c:31 instrument_atomic_read include/linux/instrumented.h:71 [inline] atomic_read include/linux/atomic/atomic-instrumented.h:27 [inline] refcount_read include/linux/refcount.h:147 [inline] skb_unref include/linux/skbuff.h:1131 [inline] consume_skb+0x3a/0x1f0 net/core/skbuff.c:926 __sk_msg_free+0x4f4/0x560 net/core/skmsg.c:205 sk_msg_free net/core/skmsg.c:218 [inline] __sk_psock_purge_ingress_msg net/core/skmsg.c:773 [inline] __sk_psock_zap_ingress net/core/skmsg.c:791 [inline] sk_psock_stop+0x4c9/0x570 net/core/skmsg.c:809 sk_psock_drop+0x226/0x300 net/core/skmsg.c:848 sk_psock_put include/linux/skmsg.h:463 [inline] sock_map_unref+0x3c2/0x420 net/core/sock_map.c:184 sock_map_free+0x134/0x2a0 net/core/sock_map.c:354 bpf_map_free_deferred+0x10e/0x1e0 kernel/bpf/syscall.c:481 process_one_work+0x6be/0xba0 kernel/workqueue.c:2325 worker_thread+0xa59/0x1200 kernel/workqueue.c:2472 kthread+0x411/0x500 kernel/kthread.c:337 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287 Allocated by task 282: kasan_save_stack mm/kasan/common.c:38 [inline] kasan_set_track mm/kasan/common.c:45 [inline] set_alloc_info mm/kasan/common.c:433 [inline] __kasan_slab_alloc+0xbd/0xf0 mm/kasan/common.c:466 kasan_slab_alloc include/linux/kasan.h:217 [inline] slab_post_alloc_hook+0x4f/0x2b0 mm/slab.h:550 slab_alloc_node mm/slub.c:3240 [inline] slab_alloc mm/slub.c:3250 [inline] kmem_cache_alloc+0xf7/0x260 mm/slub.c:3255 skb_clone+0x1cf/0x360 net/core/skbuff.c:1547 sk_psock_verdict_recv+0x53/0x800 net/core/skmsg.c:1187 unix_read_sock+0x10a/0x2c0 net/unix/af_unix.c:2428 sk_psock_verdict_data_ready+0x115/0x170 net/core/skmsg.c:1230 unix_dgram_sendmsg+0x11e6/0x1880 net/unix/af_unix.c:1942 sock_sendmsg_nosec net/socket.c:704 [inline] __sock_sendmsg net/socket.c:716 [inline] ____sys_sendmsg+0x5a2/0x8c0 net/socket.c:2436 ___sys_sendmsg+0x1f0/0x260 net/socket.c:2490 __sys_sendmsg net/socket.c:2519 [inline] __do_sys_sendmsg net/socket.c:2528 [inline] __se_sys_sendmsg net/socket.c:2526 [inline] __x64_sys_sendmsg+0x1e2/0x2a0 net/socket.c:2526 x64_sys_call+0x4b/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:47 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 Freed by task 20: kasan_save_stack mm/kasan/common.c:38 [inline] kasan_set_track+0x4a/0x70 mm/kasan/common.c:45 kasan_set_free_info+0x23/0x40 mm/kasan/generic.c:370 ____kasan_slab_free+0x125/0x160 mm/kasan/common.c:365 __kasan_slab_free+0x11/0x20 mm/kasan/common.c:373 kasan_slab_free include/linux/kasan.h:193 [inline] slab_free_hook mm/slub.c:1723 [inline] slab_free_freelist_hook+0xc2/0x190 mm/slub.c:1749 slab_free mm/slub.c:3521 [inline] kmem_cache_free+0x100/0x320 mm/slub.c:3539 kfree_skbmem+0x10c/0x180 net/core/skbuff.c:-1 __kfree_skb net/core/skbuff.c:758 [inline] kfree_skb_reason net/core/skbuff.c:778 [inline] kfree_skb+0xc1/0x2f0 net/core/skbuff.c:792 sock_drop include/linux/skmsg.h:312 [inline] sk_psock_backlog+0xa85/0xd80 net/core/skmsg.c:684 process_one_work+0x6be/0xba0 kernel/workqueue.c:2325 worker_thread+0xa59/0x1200 kernel/workqueue.c:2472 kthread+0x411/0x500 kernel/kthread.c:337 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287 The buggy address belongs to the object at ffff888120064c80 which belongs to the cache skbuff_head_cache of size 248 The buggy address is located 236 bytes inside of 248-byte region [ffff888120064c80, ffff888120064d78) The buggy address belongs to the page: page:ffffea0004801900 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x120064 flags: 0x4000000000000200(slab|zone=1) raw: 4000000000000200 0000000000000000 dead000000000122 ffff8881081ab800 raw: 0000000000000000 00000000800c000c 00000001ffffffff 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 0x12a20(GFP_ATOMIC|__GFP_NOWARN|__GFP_NORETRY), pid 282, ts 22776730781, free_ts 17754778644 set_page_owner include/linux/page_owner.h:33 [inline] post_alloc_hook+0x192/0x1b0 mm/page_alloc.c:2605 prep_new_page+0x1c/0x110 mm/page_alloc.c:2611 get_page_from_freelist+0x2cc5/0x2d50 mm/page_alloc.c:4485 __alloc_pages+0x18f/0x440 mm/page_alloc.c:5789 alloc_slab_page mm/slub.c:-1 [inline] allocate_slab mm/slub.c:1932 [inline] new_slab+0xa1/0x4d0 mm/slub.c:1995 ___slab_alloc+0x381/0x810 mm/slub.c:3028 __slab_alloc+0x49/0x90 mm/slub.c:3115 slab_alloc_node mm/slub.c:3206 [inline] slab_alloc mm/slub.c:3250 [inline] kmem_cache_alloc+0x138/0x260 mm/slub.c:3255 kmem_cache_alloc_node include/linux/slab.h:489 [inline] __alloc_skb+0xe0/0x740 net/core/skbuff.c:416 alloc_skb include/linux/skbuff.h:1183 [inline] nlmsg_new include/net/netlink.h:953 [inline] audit_buffer_alloc kernel/audit.c:1799 [inline] audit_log_start+0x3c7/0x8b0 kernel/audit.c:1917 common_lsm_audit+0xd1/0x1600 security/lsm_audit.c:457 slow_avc_audit+0x1ac/0x220 security/selinux/avc.c:802 avc_audit security/selinux/include/avc.h:135 [inline] avc_has_perm+0x1e6/0x240 security/selinux/avc.c:1190 selinux_bpf+0xc7/0xf0 security/selinux/hooks.c:-1 security_bpf+0x72/0xa0 security/security.c:2617 __sys_bpf+0x287/0x730 kernel/bpf/syscall.c:4609 page last free stack trace: reset_page_owner include/linux/page_owner.h:26 [inline] free_pages_prepare mm/page_alloc.c:1472 [inline] free_pcp_prepare mm/page_alloc.c:1544 [inline] free_unref_page_prepare+0x542/0x550 mm/page_alloc.c:3534 free_unref_page_list+0x134/0x9d0 mm/page_alloc.c:3671 release_pages+0x1076/0x10d0 mm/swap.c:1009 free_pages_and_swap_cache+0x86/0xa0 mm/swap_state.c:320 tlb_batch_pages_flush mm/mmu_gather.c:49 [inline] tlb_flush_mmu_free mm/mmu_gather.c:240 [inline] tlb_flush_mmu mm/mmu_gather.c:247 [inline] tlb_finish_mmu+0x175/0x300 mm/mmu_gather.c:338 exit_mmap+0x40f/0x860 mm/mmap.c:3236 __mmput+0x93/0x320 kernel/fork.c:1180 mmput+0x50/0x150 kernel/fork.c:1203 exit_mm kernel/exit.c:554 [inline] do_exit+0x9ca/0x27a0 kernel/exit.c:867 do_group_exit+0x141/0x310 kernel/exit.c:1002 __do_sys_exit_group kernel/exit.c:1013 [inline] __se_sys_exit_group kernel/exit.c:1011 [inline] __x64_sys_exit_group+0x3f/0x40 kernel/exit.c:1011 x64_sys_call+0x832/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:232 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 Memory state around the buggy address: ffff888120064c00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ffff888120064c80: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb >ffff888120064d00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fc ^ ffff888120064d80: fc fc fc fc fc fc fc fc fa fb fb fb fb fb fb fb ffff888120064e00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ================================================================== ================================================================== BUG: KASAN: double-free or invalid-free in slab_free mm/slub.c:3521 [inline] BUG: KASAN: double-free or invalid-free in kmem_cache_free+0x100/0x320 mm/slub.c:3539 CPU: 0 PID: 20 Comm: kworker/0:1 Tainted: G B 5.15.185-syzkaller-00339-ge678c93d43cc #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 Workqueue: events bpf_map_free_deferred Call Trace: __dump_stack+0x21/0x30 lib/dump_stack.c:88 dump_stack_lvl+0xee/0x150 lib/dump_stack.c:106 print_address_description+0x7f/0x2c0 mm/kasan/report.c:248 kasan_report_invalid_free+0x58/0x90 mm/kasan/report.c:370 ____kasan_slab_free+0x13d/0x160 mm/kasan/common.c:-1 __kasan_slab_free+0x11/0x20 mm/kasan/common.c:373 kasan_slab_free include/linux/kasan.h:193 [inline] slab_free_hook mm/slub.c:1723 [inline] slab_free_freelist_hook+0xc2/0x190 mm/slub.c:1749 slab_free mm/slub.c:3521 [inline] kmem_cache_free+0x100/0x320 mm/slub.c:3539 kfree_skbmem+0x10c/0x180 net/core/skbuff.c:-1 __kfree_skb net/core/skbuff.c:758 [inline] consume_skb+0xb3/0x1f0 net/core/skbuff.c:930 __sk_msg_free+0x4f4/0x560 net/core/skmsg.c:205 sk_msg_free net/core/skmsg.c:218 [inline] __sk_psock_purge_ingress_msg net/core/skmsg.c:773 [inline] __sk_psock_zap_ingress net/core/skmsg.c:791 [inline] sk_psock_stop+0x4c9/0x570 net/core/skmsg.c:809 sk_psock_drop+0x226/0x300 net/core/skmsg.c:848 sk_psock_put include/linux/skmsg.h:463 [inline] sock_map_unref+0x3c2/0x420 net/core/sock_map.c:184 sock_map_free+0x134/0x2a0 net/core/sock_map.c:354 bpf_map_free_deferred+0x10e/0x1e0 kernel/bpf/syscall.c:481 process_one_work+0x6be/0xba0 kernel/workqueue.c:2325 worker_thread+0xa59/0x1200 kernel/workqueue.c:2472 kthread+0x411/0x500 kernel/kthread.c:337 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287 Allocated by task 282: kasan_save_stack mm/kasan/common.c:38 [inline] kasan_set_track mm/kasan/common.c:45 [inline] set_alloc_info mm/kasan/common.c:433 [inline] __kasan_slab_alloc+0xbd/0xf0 mm/kasan/common.c:466 kasan_slab_alloc include/linux/kasan.h:217 [inline] slab_post_alloc_hook+0x4f/0x2b0 mm/slab.h:550 slab_alloc_node mm/slub.c:3240 [inline] slab_alloc mm/slub.c:3250 [inline] kmem_cache_alloc+0xf7/0x260 mm/slub.c:3255 skb_clone+0x1cf/0x360 net/core/skbuff.c:1547 sk_psock_verdict_recv+0x53/0x800 net/core/skmsg.c:1187 unix_read_sock+0x10a/0x2c0 net/unix/af_unix.c:2428 sk_psock_verdict_data_ready+0x115/0x170 net/core/skmsg.c:1230 unix_dgram_sendmsg+0x11e6/0x1880 net/unix/af_unix.c:1942 sock_sendmsg_nosec net/socket.c:704 [inline] __sock_sendmsg net/socket.c:716 [inline] ____sys_sendmsg+0x5a2/0x8c0 net/socket.c:2436 ___sys_sendmsg+0x1f0/0x260 net/socket.c:2490 __sys_sendmsg net/socket.c:2519 [inline] __do_sys_sendmsg net/socket.c:2528 [inline] __se_sys_sendmsg net/socket.c:2526 [inline] __x64_sys_sendmsg+0x1e2/0x2a0 net/socket.c:2526 x64_sys_call+0x4b/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:47 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 Freed by task 20: kasan_save_stack mm/kasan/common.c:38 [inline] kasan_set_track+0x4a/0x70 mm/kasan/common.c:45 kasan_set_free_info+0x23/0x40 mm/kasan/generic.c:370 ____kasan_slab_free+0x125/0x160 mm/kasan/common.c:365 __kasan_slab_free+0x11/0x20 mm/kasan/common.c:373 kasan_slab_free include/linux/kasan.h:193 [inline] slab_free_hook mm/slub.c:1723 [inline] slab_free_freelist_hook+0xc2/0x190 mm/slub.c:1749 slab_free mm/slub.c:3521 [inline] kmem_cache_free+0x100/0x320 mm/slub.c:3539 kfree_skbmem+0x10c/0x180 net/core/skbuff.c:-1 __kfree_skb net/core/skbuff.c:758 [inline] kfree_skb_reason net/core/skbuff.c:778 [inline] kfree_skb+0xc1/0x2f0 net/core/skbuff.c:792 sock_drop include/linux/skmsg.h:312 [inline] sk_psock_backlog+0xa85/0xd80 net/core/skmsg.c:684 process_one_work+0x6be/0xba0 kernel/workqueue.c:2325 worker_thread+0xa59/0x1200 kernel/workqueue.c:2472 kthread+0x411/0x500 kernel/kthread.c:337 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287 The buggy address belongs to the object at ffff888120064c80 which belongs to the cache skbuff_head_cache of size 248 The buggy address is located 0 bytes inside of 248-byte region [ffff888120064c80, ffff888120064d78) The buggy address belongs to the page: page:ffffea0004801900 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x120064 flags: 0x4000000000000200(slab|zone=1) raw: 4000000000000200 0000000000000000 dead000000000122 ffff8881081ab800 raw: 0000000000000000 00000000800c000c 00000001ffffffff 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 0x12a20(GFP_ATOMIC|__GFP_NOWARN|__GFP_NORETRY), pid 282, ts 22776730781, free_ts 17754778644 set_page_owner include/linux/page_owner.h:33 [inline] post_alloc_hook+0x192/0x1b0 mm/page_alloc.c:2605 prep_new_page+0x1c/0x110 mm/page_alloc.c:2611 get_page_from_freelist+0x2cc5/0x2d50 mm/page_alloc.c:4485 __alloc_pages+0x18f/0x440 mm/page_alloc.c:5789 alloc_slab_page mm/slub.c:-1 [inline] allocate_slab mm/slub.c:1932 [inline] new_slab+0xa1/0x4d0 mm/slub.c:1995 ___slab_alloc+0x381/0x810 mm/slub.c:3028 __slab_alloc+0x49/0x90 mm/slub.c:3115 slab_alloc_node mm/slub.c:3206 [inline] slab_alloc mm/slub.c:3250 [inline] kmem_cache_alloc+0x138/0x260 mm/slub.c:3255 kmem_cache_alloc_node include/linux/slab.h:489 [inline] __alloc_skb+0xe0/0x740 net/core/skbuff.c:416 alloc_skb include/linux/skbuff.h:1183 [inline] nlmsg_new include/net/netlink.h:953 [inline] audit_buffer_alloc kernel/audit.c:1799 [inline] audit_log_start+0x3c7/0x8b0 kernel/audit.c:1917 common_lsm_audit+0xd1/0x1600 security/lsm_audit.c:457 slow_avc_audit+0x1ac/0x220 security/selinux/avc.c:802 avc_audit security/selinux/include/avc.h:135 [inline] avc_has_perm+0x1e6/0x240 security/selinux/avc.c:1190 selinux_bpf+0xc7/0xf0 security/selinux/hooks.c:-1 security_bpf+0x72/0xa0 security/security.c:2617 __sys_bpf+0x287/0x730 kernel/bpf/syscall.c:4609 page last free stack trace: reset_page_owner include/linux/page_owner.h:26 [inline] free_pages_prepare mm/page_alloc.c:1472 [inline] free_pcp_prepare mm/page_alloc.c:1544 [inline] free_unref_page_prepare+0x542/0x550 mm/page_alloc.c:3534 free_unref_page_list+0x134/0x9d0 mm/page_alloc.c:3671 release_pages+0x1076/0x10d0 mm/swap.c:1009 free_pages_and_swap_cache+0x86/0xa0 mm/swap_state.c:320 tlb_batch_pages_flush mm/mmu_gather.c:49 [inline] tlb_flush_mmu_free mm/mmu_gather.c:240 [inline] tlb_flush_mmu mm/mmu_gather.c:247 [inline] tlb_finish_mmu+0x175/0x300 mm/mmu_gather.c:338 exit_mmap+0x40f/0x860 mm/mmap.c:3236 __mmput+0x93/0x320 kernel/fork.c:1180 mmput+0x50/0x150 kernel/fork.c:1203 exit_mm kernel/exit.c:554 [inline] do_exit+0x9ca/0x27a0 kernel/exit.c:867 do_group_exit+0x141/0x310 kernel/exit.c:1002 __do_sys_exit_group kernel/exit.c:1013 [inline] __se_sys_exit_group kernel/exit.c:1011 [inline] __x64_sys_exit_group+0x3f/0x40 kernel/exit.c:1011 x64_sys_call+0x832/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:232 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 Memory state around the buggy address: ffff888120064b80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ffff888120064c00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc >ffff888120064c80: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ^ ffff888120064d00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fc ffff888120064d80: fc fc fc fc fc fc fc fc fa fb fb fb fb fb fb fb ================================================================== ================================================================== BUG: KASAN: double-free or invalid-free in slab_free mm/slub.c:3521 [inline] BUG: KASAN: double-free or invalid-free in kmem_cache_free+0x100/0x320 mm/slub.c:3539 CPU: 0 PID: 20 Comm: kworker/0:1 Tainted: G B 5.15.185-syzkaller-00339-ge678c93d43cc #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 Workqueue: events bpf_map_free_deferred Call Trace: __dump_stack+0x21/0x30 lib/dump_stack.c:88 dump_stack_lvl+0xee/0x150 lib/dump_stack.c:106 print_address_description+0x7f/0x2c0 mm/kasan/report.c:248 kasan_report_invalid_free+0x58/0x90 mm/kasan/report.c:370 ____kasan_slab_free+0x13d/0x160 mm/kasan/common.c:-1 __kasan_slab_free+0x11/0x20 mm/kasan/common.c:373 kasan_slab_free include/linux/kasan.h:193 [inline] slab_free_hook mm/slub.c:1723 [inline] slab_free_freelist_hook+0xc2/0x190 mm/slub.c:1749 slab_free mm/slub.c:3521 [inline] kmem_cache_free+0x100/0x320 mm/slub.c:3539 kfree_skbmem+0x10c/0x180 net/core/skbuff.c:-1 __kfree_skb net/core/skbuff.c:758 [inline] consume_skb+0xb3/0x1f0 net/core/skbuff.c:930 __sk_msg_free+0x4f4/0x560 net/core/skmsg.c:205 sk_msg_free net/core/skmsg.c:218 [inline] __sk_psock_purge_ingress_msg net/core/skmsg.c:773 [inline] __sk_psock_zap_ingress net/core/skmsg.c:791 [inline] sk_psock_stop+0x4c9/0x570 net/core/skmsg.c:809 sk_psock_drop+0x226/0x300 net/core/skmsg.c:848 sk_psock_put include/linux/skmsg.h:463 [inline] sock_map_unref+0x3c2/0x420 net/core/sock_map.c:184 sock_map_free+0x134/0x2a0 net/core/sock_map.c:354 bpf_map_free_deferred+0x10e/0x1e0 kernel/bpf/syscall.c:481 process_one_work+0x6be/0xba0 kernel/workqueue.c:2325 worker_thread+0xa59/0x1200 kernel/workqueue.c:2472 kthread+0x411/0x500 kernel/kthread.c:337 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287 Allocated by task 283: kasan_save_stack mm/kasan/common.c:38 [inline] kasan_set_track mm/kasan/common.c:45 [inline] set_alloc_info mm/kasan/common.c:433 [inline] __kasan_slab_alloc+0xbd/0xf0 mm/kasan/common.c:466 kasan_slab_alloc include/linux/kasan.h:217 [inline] slab_post_alloc_hook+0x4f/0x2b0 mm/slab.h:550 slab_alloc_node mm/slub.c:3240 [inline] slab_alloc mm/slub.c:3250 [inline] kmem_cache_alloc+0xf7/0x260 mm/slub.c:3255 skb_clone+0x1cf/0x360 net/core/skbuff.c:1547 sk_psock_verdict_recv+0x53/0x800 net/core/skmsg.c:1187 unix_read_sock+0x10a/0x2c0 net/unix/af_unix.c:2428 sk_psock_verdict_data_ready+0x115/0x170 net/core/skmsg.c:1230 unix_dgram_sendmsg+0x11e6/0x1880 net/unix/af_unix.c:1942 sock_sendmsg_nosec net/socket.c:704 [inline] __sock_sendmsg net/socket.c:716 [inline] ____sys_sendmsg+0x5a2/0x8c0 net/socket.c:2436 ___sys_sendmsg+0x1f0/0x260 net/socket.c:2490 __sys_sendmsg net/socket.c:2519 [inline] __do_sys_sendmsg net/socket.c:2528 [inline] __se_sys_sendmsg net/socket.c:2526 [inline] __x64_sys_sendmsg+0x1e2/0x2a0 net/socket.c:2526 x64_sys_call+0x4b/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:47 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 Freed by task 284: kasan_save_stack mm/kasan/common.c:38 [inline] kasan_set_track+0x4a/0x70 mm/kasan/common.c:45 kasan_set_free_info+0x23/0x40 mm/kasan/generic.c:370 ____kasan_slab_free+0x125/0x160 mm/kasan/common.c:365 __kasan_slab_free+0x11/0x20 mm/kasan/common.c:373 kasan_slab_free include/linux/kasan.h:193 [inline] slab_free_hook mm/slub.c:1723 [inline] slab_free_freelist_hook+0xc2/0x190 mm/slub.c:1749 slab_free mm/slub.c:3521 [inline] kmem_cache_free+0x100/0x320 mm/slub.c:3539 kfree_skbmem+0x10c/0x180 net/core/skbuff.c:-1 __kfree_skb net/core/skbuff.c:758 [inline] kfree_skb_reason net/core/skbuff.c:778 [inline] kfree_skb+0xc1/0x2f0 net/core/skbuff.c:792 sock_drop include/linux/skmsg.h:312 [inline] sk_psock_backlog+0xa85/0xd80 net/core/skmsg.c:684 process_one_work+0x6be/0xba0 kernel/workqueue.c:2325 worker_thread+0xa59/0x1200 kernel/workqueue.c:2472 kthread+0x411/0x500 kernel/kthread.c:337 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287 The buggy address belongs to the object at ffff888120394000 which belongs to the cache skbuff_head_cache of size 248 The buggy address is located 0 bytes inside of 248-byte region [ffff888120394000, ffff8881203940f8) The buggy address belongs to the page: page:ffffea000480e500 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x120394 flags: 0x4000000000000200(slab|zone=1) raw: 4000000000000200 0000000000000000 dead000000000122 ffff8881081ab800 raw: 0000000000000000 00000000000c000c 00000001ffffffff 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 0x12a20(GFP_ATOMIC|__GFP_NOWARN|__GFP_NORETRY), pid 283, ts 23427408932, free_ts 23174583757 set_page_owner include/linux/page_owner.h:33 [inline] post_alloc_hook+0x192/0x1b0 mm/page_alloc.c:2605 prep_new_page+0x1c/0x110 mm/page_alloc.c:2611 get_page_from_freelist+0x2cc5/0x2d50 mm/page_alloc.c:4485 __alloc_pages+0x18f/0x440 mm/page_alloc.c:5789 alloc_slab_page mm/slub.c:-1 [inline] allocate_slab mm/slub.c:1932 [inline] new_slab+0xa1/0x4d0 mm/slub.c:1995 ___slab_alloc+0x381/0x810 mm/slub.c:3028 __slab_alloc+0x49/0x90 mm/slub.c:3115 slab_alloc_node mm/slub.c:3206 [inline] slab_alloc mm/slub.c:3250 [inline] kmem_cache_alloc+0x138/0x260 mm/slub.c:3255 skb_clone+0x1cf/0x360 net/core/skbuff.c:1547 dev_queue_xmit_nit+0x269/0xa40 net/core/dev.c:2349 xmit_one net/core/dev.c:3652 [inline] dev_hard_start_xmit+0x163/0x670 net/core/dev.c:3673 sch_direct_xmit+0x267/0x8d0 net/sched/sch_generic.c:342 __dev_xmit_skb net/core/dev.c:3892 [inline] __dev_queue_xmit+0x1523/0x2d80 net/core/dev.c:4261 dev_queue_xmit+0x17/0x20 net/core/dev.c:4329 neigh_hh_output include/net/neighbour.h:501 [inline] neigh_output include/net/neighbour.h:515 [inline] ip_finish_output2+0xb7c/0xe60 net/ipv4/ip_output.c:228 __ip_finish_output+0x161/0x360 net/ipv4/ip_output.c:-1 page last free stack trace: reset_page_owner include/linux/page_owner.h:26 [inline] free_pages_prepare mm/page_alloc.c:1472 [inline] free_pcp_prepare mm/page_alloc.c:1544 [inline] free_unref_page_prepare+0x542/0x550 mm/page_alloc.c:3534 free_unref_page+0xa2/0x550 mm/page_alloc.c:3616 free_the_page mm/page_alloc.c:805 [inline] __free_pages+0x6c/0x100 mm/page_alloc.c:5865 __vunmap+0x84d/0x9e0 mm/vmalloc.c:2652 __vfree mm/vmalloc.c:2701 [inline] vfree+0x8b/0xc0 mm/vmalloc.c:2732 bpf_prog_calc_tag+0x5bc/0x6d0 kernel/bpf/core.c:337 resolve_pseudo_ldimm64+0xd4/0x11d0 kernel/bpf/verifier.c:11786 bpf_check+0x2c44/0xf330 kernel/bpf/verifier.c:14076 bpf_prog_load+0x1042/0x1550 kernel/bpf/syscall.c:2328 __sys_bpf+0x4c3/0x730 kernel/bpf/syscall.c:4633 __do_sys_bpf kernel/bpf/syscall.c:4737 [inline] __se_sys_bpf kernel/bpf/syscall.c:4735 [inline] __x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:4735 x64_sys_call+0x4b9/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:322 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 Memory state around the buggy address: ffff888120393f00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ffff888120393f80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 >ffff888120394000: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ^ ffff888120394080: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fc ffff888120394100: fc fc fc fc fc fc fc fc fa fb fb fb fb fb fb fb ================================================================== ================================================================== BUG: KASAN: double-free or invalid-free in slab_free mm/slub.c:3521 [inline] BUG: KASAN: double-free or invalid-free in kmem_cache_free+0x100/0x320 mm/slub.c:3539 CPU: 0 PID: 20 Comm: kworker/0:1 Tainted: G B 5.15.185-syzkaller-00339-ge678c93d43cc #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 Workqueue: events bpf_map_free_deferred Call Trace: __dump_stack+0x21/0x30 lib/dump_stack.c:88 dump_stack_lvl+0xee/0x150 lib/dump_stack.c:106 print_address_description+0x7f/0x2c0 mm/kasan/report.c:248 kasan_report_invalid_free+0x58/0x90 mm/kasan/report.c:370 ____kasan_slab_free+0x13d/0x160 mm/kasan/common.c:-1 __kasan_slab_free+0x11/0x20 mm/kasan/common.c:373 kasan_slab_free include/linux/kasan.h:193 [inline] slab_free_hook mm/slub.c:1723 [inline] slab_free_freelist_hook+0xc2/0x190 mm/slub.c:1749 slab_free mm/slub.c:3521 [inline] kmem_cache_free+0x100/0x320 mm/slub.c:3539 kfree_skbmem+0x10c/0x180 net/core/skbuff.c:-1 __kfree_skb net/core/skbuff.c:758 [inline] consume_skb+0xb3/0x1f0 net/core/skbuff.c:930 __sk_msg_free+0x4f4/0x560 net/core/skmsg.c:205 sk_msg_free net/core/skmsg.c:218 [inline] __sk_psock_purge_ingress_msg net/core/skmsg.c:773 [inline] __sk_psock_zap_ingress net/core/skmsg.c:791 [inline] sk_psock_stop+0x4c9/0x570 net/core/skmsg.c:809 sk_psock_drop+0x226/0x300 net/core/skmsg.c:848 sk_psock_put include/linux/skmsg.h:463 [inline] sock_map_unref+0x3c2/0x420 net/core/sock_map.c:184 sock_map_free+0x134/0x2a0 net/core/sock_map.c:354 bpf_map_free_deferred+0x10e/0x1e0 kernel/bpf/syscall.c:481 process_one_work+0x6be/0xba0 kernel/workqueue.c:2325 worker_thread+0xa59/0x1200 kernel/workqueue.c:2472 kthread+0x411/0x500 kernel/kthread.c:337 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287 Allocated by task 285: kasan_save_stack mm/kasan/common.c:38 [inline] kasan_set_track mm/kasan/common.c:45 [inline] set_alloc_info mm/kasan/common.c:433 [inline] __kasan_slab_alloc+0xbd/0xf0 mm/kasan/common.c:466 kasan_slab_alloc include/linux/kasan.h:217 [inline] slab_post_alloc_hook+0x4f/0x2b0 mm/slab.h:550 slab_alloc_node mm/slub.c:3240 [inline] slab_alloc mm/slub.c:3250 [inline] kmem_cache_alloc+0xf7/0x260 mm/slub.c:3255 skb_clone+0x1cf/0x360 net/core/skbuff.c:1547 sk_psock_verdict_recv+0x53/0x800 net/core/skmsg.c:1187 unix_read_sock+0x10a/0x2c0 net/unix/af_unix.c:2428 sk_psock_verdict_data_ready+0x115/0x170 net/core/skmsg.c:1230 unix_dgram_sendmsg+0x11e6/0x1880 net/unix/af_unix.c:1942 sock_sendmsg_nosec net/socket.c:704 [inline] __sock_sendmsg net/socket.c:716 [inline] ____sys_sendmsg+0x5a2/0x8c0 net/socket.c:2436 ___sys_sendmsg+0x1f0/0x260 net/socket.c:2490 __sys_sendmsg net/socket.c:2519 [inline] __do_sys_sendmsg net/socket.c:2528 [inline] __se_sys_sendmsg net/socket.c:2526 [inline] __x64_sys_sendmsg+0x1e2/0x2a0 net/socket.c:2526 x64_sys_call+0x4b/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:47 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 Freed by task 20: kasan_save_stack mm/kasan/common.c:38 [inline] kasan_set_track+0x4a/0x70 mm/kasan/common.c:45 kasan_set_free_info+0x23/0x40 mm/kasan/generic.c:370 ____kasan_slab_free+0x125/0x160 mm/kasan/common.c:365 __kasan_slab_free+0x11/0x20 mm/kasan/common.c:373 kasan_slab_free include/linux/kasan.h:193 [inline] slab_free_hook mm/slub.c:1723 [inline] slab_free_freelist_hook+0xc2/0x190 mm/slub.c:1749 slab_free mm/slub.c:3521 [inline] kmem_cache_free+0x100/0x320 mm/slub.c:3539 kfree_skbmem+0x10c/0x180 net/core/skbuff.c:-1 __kfree_skb net/core/skbuff.c:758 [inline] kfree_skb_reason net/core/skbuff.c:778 [inline] kfree_skb+0xc1/0x2f0 net/core/skbuff.c:792 sock_drop include/linux/skmsg.h:312 [inline] sk_psock_backlog+0xa85/0xd80 net/core/skmsg.c:684 process_one_work+0x6be/0xba0 kernel/workqueue.c:2325 worker_thread+0xa59/0x1200 kernel/workqueue.c:2472 kthread+0x411/0x500 kernel/kthread.c:337 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287 The buggy address belongs to the object at ffff88812039cdc0 which belongs to the cache skbuff_head_cache of size 248 The buggy address is located 0 bytes inside of 248-byte region [ffff88812039cdc0, ffff88812039ceb8) The buggy address belongs to the page: page:ffffea000480e700 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x12039c flags: 0x4000000000000200(slab|zone=1) raw: 4000000000000200 0000000000000000 dead000000000122 ffff8881081ab800 raw: 0000000000000000 00000000000c000c 00000001ffffffff 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 0x12cc0(GFP_KERNEL|__GFP_NOWARN|__GFP_NORETRY), pid 90, ts 24879883312, free_ts 15704719283 set_page_owner include/linux/page_owner.h:33 [inline] post_alloc_hook+0x192/0x1b0 mm/page_alloc.c:2605 prep_new_page+0x1c/0x110 mm/page_alloc.c:2611 get_page_from_freelist+0x2cc5/0x2d50 mm/page_alloc.c:4485 __alloc_pages+0x18f/0x440 mm/page_alloc.c:5789 alloc_slab_page mm/slub.c:-1 [inline] allocate_slab mm/slub.c:1932 [inline] new_slab+0xa1/0x4d0 mm/slub.c:1995 ___slab_alloc+0x381/0x810 mm/slub.c:3028 __slab_alloc+0x49/0x90 mm/slub.c:3115 slab_alloc_node mm/slub.c:3206 [inline] slab_alloc mm/slub.c:3250 [inline] kmem_cache_alloc+0x138/0x260 mm/slub.c:3255 kmem_cache_alloc_node include/linux/slab.h:489 [inline] __alloc_skb+0xe0/0x740 net/core/skbuff.c:416 alloc_skb include/linux/skbuff.h:1183 [inline] alloc_skb_with_frags+0xa8/0x620 net/core/skbuff.c:6194 sock_alloc_send_pskb+0x853/0x980 net/core/sock.c:2537 unix_dgram_sendmsg+0x5ea/0x1880 net/unix/af_unix.c:1805 sock_sendmsg_nosec net/socket.c:704 [inline] __sock_sendmsg net/socket.c:716 [inline] __sys_sendto+0x423/0x580 net/socket.c:2063 __do_sys_sendto net/socket.c:2075 [inline] __se_sys_sendto net/socket.c:2071 [inline] __x64_sys_sendto+0xe5/0x100 net/socket.c:2071 x64_sys_call+0x178/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:45 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80 page last free stack trace: reset_page_owner include/linux/page_owner.h:26 [inline] free_pages_prepare mm/page_alloc.c:1472 [inline] free_pcp_prepare mm/page_alloc.c:1544 [inline] free_unref_page_prepare+0x542/0x550 mm/page_alloc.c:3534 free_unref_page+0xa2/0x550 mm/page_alloc.c:3616 __put_single_page mm/swap.c:98 [inline] __put_page+0xad/0xe0 mm/swap.c:129 put_page include/linux/mm.h:1295 [inline] anon_pipe_buf_release+0x183/0x200 fs/pipe.c:137 pipe_buf_release include/linux/pipe_fs_i.h:219 [inline] pipe_read+0x53d/0xfe0 fs/pipe.c:323 call_read_iter include/linux/fs.h:2198 [inline] new_sync_read fs/read_write.c:404 [inline] vfs_read+0x68b/0xbe0 fs/read_write.c:485 ksys_read+0x140/0x240 fs/read_write.c:623 __do_sys_read fs/read_write.c:633 [inline] __se_sys_read fs/read_write.c:631 [inline] __x64_sys_read+0x7b/0x90 fs/read_write.c:631 x64_sys_call+0x96d/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:1 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 Memory state around the buggy address: ffff88812039cc80: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ffff88812039cd00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fc >ffff88812039cd80: fc fc fc fc fc fc fc fc fa fb fb fb fb fb fb fb ^ ffff88812039ce00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ffff88812039ce80: fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc fc ================================================================== ================================================================== BUG: KASAN: double-free or invalid-free in slab_free mm/slub.c:3521 [inline] BUG: KASAN: double-free or invalid-free in kmem_cache_free+0x100/0x320 mm/slub.c:3539 CPU: 0 PID: 20 Comm: kworker/0:1 Tainted: G B 5.15.185-syzkaller-00339-ge678c93d43cc #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 Workqueue: events bpf_map_free_deferred Call Trace: __dump_stack+0x21/0x30 lib/dump_stack.c:88 dump_stack_lvl+0xee/0x150 lib/dump_stack.c:106 print_address_description+0x7f/0x2c0 mm/kasan/report.c:248 kasan_report_invalid_free+0x58/0x90 mm/kasan/report.c:370 ____kasan_slab_free+0x13d/0x160 mm/kasan/common.c:-1 __kasan_slab_free+0x11/0x20 mm/kasan/common.c:373 kasan_slab_free include/linux/kasan.h:193 [inline] slab_free_hook mm/slub.c:1723 [inline] slab_free_freelist_hook+0xc2/0x190 mm/slub.c:1749 slab_free mm/slub.c:3521 [inline] kmem_cache_free+0x100/0x320 mm/slub.c:3539 kfree_skbmem+0x10c/0x180 net/core/skbuff.c:-1 __kfree_skb net/core/skbuff.c:758 [inline] consume_skb+0xb3/0x1f0 net/core/skbuff.c:930 __sk_msg_free+0x4f4/0x560 net/core/skmsg.c:205 sk_msg_free net/core/skmsg.c:218 [inline] __sk_psock_purge_ingress_msg net/core/skmsg.c:773 [inline] __sk_psock_zap_ingress net/core/skmsg.c:791 [inline] sk_psock_stop+0x4c9/0x570 net/core/skmsg.c:809 sk_psock_drop+0x226/0x300 net/core/skmsg.c:848 sk_psock_put include/linux/skmsg.h:463 [inline] sock_map_unref+0x3c2/0x420 net/core/sock_map.c:184 sock_map_free+0x134/0x2a0 net/core/sock_map.c:354 bpf_map_free_deferred+0x10e/0x1e0 kernel/bpf/syscall.c:481 process_one_work+0x6be/0xba0 kernel/workqueue.c:2325 worker_thread+0xa59/0x1200 kernel/workqueue.c:2472 kthread+0x411/0x500 kernel/kthread.c:337 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287 Allocated by task 286: kasan_save_stack mm/kasan/common.c:38 [inline] kasan_set_track mm/kasan/common.c:45 [inline] set_alloc_info mm/kasan/common.c:433 [inline] __kasan_slab_alloc+0xbd/0xf0 mm/kasan/common.c:466 kasan_slab_alloc include/linux/kasan.h:217 [inline] slab_post_alloc_hook+0x4f/0x2b0 mm/slab.h:550 slab_alloc_node mm/slub.c:3240 [inline] slab_alloc mm/slub.c:3250 [inline] kmem_cache_alloc+0xf7/0x260 mm/slub.c:3255 skb_clone+0x1cf/0x360 net/core/skbuff.c:1547 sk_psock_verdict_recv+0x53/0x800 net/core/skmsg.c:1187 unix_read_sock+0x10a/0x2c0 net/unix/af_unix.c:2428 sk_psock_verdict_data_ready+0x115/0x170 net/core/skmsg.c:1230 unix_dgram_sendmsg+0x11e6/0x1880 net/unix/af_unix.c:1942 sock_sendmsg_nosec net/socket.c:704 [inline] __sock_sendmsg net/socket.c:716 [inline] ____sys_sendmsg+0x5a2/0x8c0 net/socket.c:2436 ___sys_sendmsg+0x1f0/0x260 net/socket.c:2490 __sys_sendmsg net/socket.c:2519 [inline] __do_sys_sendmsg net/socket.c:2528 [inline] __se_sys_sendmsg net/socket.c:2526 [inline] __x64_sys_sendmsg+0x1e2/0x2a0 net/socket.c:2526 x64_sys_call+0x4b/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:47 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 Freed by task 20: kasan_save_stack mm/kasan/common.c:38 [inline] kasan_set_track+0x4a/0x70 mm/kasan/common.c:45 kasan_set_free_info+0x23/0x40 mm/kasan/generic.c:370 ____kasan_slab_free+0x125/0x160 mm/kasan/common.c:365 __kasan_slab_free+0x11/0x20 mm/kasan/common.c:373 kasan_slab_free include/linux/kasan.h:193 [inline] slab_free_hook mm/slub.c:1723 [inline] slab_free_freelist_hook+0xc2/0x190 mm/slub.c:1749 slab_free mm/slub.c:3521 [inline] kmem_cache_free+0x100/0x320 mm/slub.c:3539 kfree_skbmem+0x10c/0x180 net/core/skbuff.c:-1 __kfree_skb net/core/skbuff.c:758 [inline] kfree_skb_reason net/core/skbuff.c:778 [inline] kfree_skb+0xc1/0x2f0 net/core/skbuff.c:792 sock_drop include/linux/skmsg.h:312 [inline] sk_psock_backlog+0xa85/0xd80 net/core/skmsg.c:684 process_one_work+0x6be/0xba0 kernel/workqueue.c:2325 worker_thread+0xa59/0x1200 kernel/workqueue.c:2472 kthread+0x411/0x500 kernel/kthread.c:337 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287 The buggy address belongs to the object at ffff8881200fb280 which belongs to the cache skbuff_head_cache of size 248 The buggy address is located 0 bytes inside of 248-byte region [ffff8881200fb280, ffff8881200fb378) The buggy address belongs to the page: page:ffffea0004803ec0 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1200fb flags: 0x4000000000000200(slab|zone=1) raw: 4000000000000200 0000000000000000 dead000000000122 ffff8881081ab800 raw: 0000000000000000 00000000800c000c 00000001ffffffff 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 0x12cc0(GFP_KERNEL|__GFP_NOWARN|__GFP_NORETRY), pid 90, ts 26556812991, free_ts 26556429604 set_page_owner include/linux/page_owner.h:33 [inline] post_alloc_hook+0x192/0x1b0 mm/page_alloc.c:2605 prep_new_page+0x1c/0x110 mm/page_alloc.c:2611 get_page_from_freelist+0x2cc5/0x2d50 mm/page_alloc.c:4485 __alloc_pages+0x18f/0x440 mm/page_alloc.c:5789 alloc_slab_page mm/slub.c:-1 [inline] allocate_slab mm/slub.c:1932 [inline] new_slab+0xa1/0x4d0 mm/slub.c:1995 ___slab_alloc+0x381/0x810 mm/slub.c:3028 __slab_alloc+0x49/0x90 mm/slub.c:3115 slab_alloc_node mm/slub.c:3206 [inline] slab_alloc mm/slub.c:3250 [inline] kmem_cache_alloc+0x138/0x260 mm/slub.c:3255 kmem_cache_alloc_node include/linux/slab.h:489 [inline] __alloc_skb+0xe0/0x740 net/core/skbuff.c:416 alloc_skb include/linux/skbuff.h:1183 [inline] alloc_skb_with_frags+0xa8/0x620 net/core/skbuff.c:6194 sock_alloc_send_pskb+0x853/0x980 net/core/sock.c:2537 unix_dgram_sendmsg+0x5ea/0x1880 net/unix/af_unix.c:1805 sock_sendmsg_nosec net/socket.c:704 [inline] __sock_sendmsg net/socket.c:716 [inline] __sys_sendto+0x423/0x580 net/socket.c:2063 __do_sys_sendto net/socket.c:2075 [inline] __se_sys_sendto net/socket.c:2071 [inline] __x64_sys_sendto+0xe5/0x100 net/socket.c:2071 x64_sys_call+0x178/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:45 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80 page last free stack trace: reset_page_owner include/linux/page_owner.h:26 [inline] free_pages_prepare mm/page_alloc.c:1472 [inline] free_pcp_prepare mm/page_alloc.c:1544 [inline] free_unref_page_prepare+0x542/0x550 mm/page_alloc.c:3534 free_unref_page+0xa2/0x550 mm/page_alloc.c:3616 free_the_page mm/page_alloc.c:805 [inline] __free_pages+0x6c/0x100 mm/page_alloc.c:5865 free_pages+0x82/0x90 mm/page_alloc.c:5876 _pgd_free arch/x86/mm/pgtable.c:420 [inline] pgd_free+0x187/0x1a0 arch/x86/mm/pgtable.c:476 mm_free_pgd kernel/fork.c:699 [inline] __mmdrop+0xad/0x410 kernel/fork.c:750 mmdrop include/linux/sched/mm.h:49 [inline] finish_task_switch+0x2bb/0x780 kernel/sched/core.c:5052 context_switch kernel/sched/core.c:5158 [inline] __schedule+0xb76/0x14c0 kernel/sched/core.c:6515 schedule+0x11e/0x1e0 kernel/sched/core.c:6598 syslog_print+0x1f9/0x820 kernel/printk/printk.c:1538 do_syslog+0x6ae/0x780 kernel/printk/printk.c:1691 __do_sys_syslog kernel/printk/printk.c:1783 [inline] __se_sys_syslog kernel/printk/printk.c:1781 [inline] __x64_sys_syslog+0x7c/0x90 kernel/printk/printk.c:1781 x64_sys_call+0x728/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:104 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 Memory state around the buggy address: ffff8881200fb180: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ffff8881200fb200: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc >ffff8881200fb280: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ^ ffff8881200fb300: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fc ffff8881200fb380: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ================================================================== ================================================================== BUG: KASAN: double-free or invalid-free in slab_free mm/slub.c:3521 [inline] BUG: KASAN: double-free or invalid-free in kmem_cache_free+0x100/0x320 mm/slub.c:3539 CPU: 0 PID: 20 Comm: kworker/0:1 Tainted: G B 5.15.185-syzkaller-00339-ge678c93d43cc #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 Workqueue: events bpf_map_free_deferred Call Trace: __dump_stack+0x21/0x30 lib/dump_stack.c:88 dump_stack_lvl+0xee/0x150 lib/dump_stack.c:106 print_address_description+0x7f/0x2c0 mm/kasan/report.c:248 kasan_report_invalid_free+0x58/0x90 mm/kasan/report.c:370 ____kasan_slab_free+0x13d/0x160 mm/kasan/common.c:-1 __kasan_slab_free+0x11/0x20 mm/kasan/common.c:373 kasan_slab_free include/linux/kasan.h:193 [inline] slab_free_hook mm/slub.c:1723 [inline] slab_free_freelist_hook+0xc2/0x190 mm/slub.c:1749 slab_free mm/slub.c:3521 [inline] kmem_cache_free+0x100/0x320 mm/slub.c:3539 kfree_skbmem+0x10c/0x180 net/core/skbuff.c:-1 __kfree_skb net/core/skbuff.c:758 [inline] consume_skb+0xb3/0x1f0 net/core/skbuff.c:930 __sk_msg_free+0x4f4/0x560 net/core/skmsg.c:205 sk_msg_free net/core/skmsg.c:218 [inline] __sk_psock_purge_ingress_msg net/core/skmsg.c:773 [inline] __sk_psock_zap_ingress net/core/skmsg.c:791 [inline] sk_psock_stop+0x4c9/0x570 net/core/skmsg.c:809 sk_psock_drop+0x226/0x300 net/core/skmsg.c:848 sk_psock_put include/linux/skmsg.h:463 [inline] sock_map_unref+0x3c2/0x420 net/core/sock_map.c:184 sock_map_free+0x134/0x2a0 net/core/sock_map.c:354 bpf_map_free_deferred+0x10e/0x1e0 kernel/bpf/syscall.c:481 process_one_work+0x6be/0xba0 kernel/workqueue.c:2325 worker_thread+0xa59/0x1200 kernel/workqueue.c:2472 kthread+0x411/0x500 kernel/kthread.c:337 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287 Allocated by task 287: kasan_save_stack mm/kasan/common.c:38 [inline] kasan_set_track mm/kasan/common.c:45 [inline] set_alloc_info mm/kasan/common.c:433 [inline] __kasan_slab_alloc+0xbd/0xf0 mm/kasan/common.c:466 kasan_slab_alloc include/linux/kasan.h:217 [inline] slab_post_alloc_hook+0x4f/0x2b0 mm/slab.h:550 slab_alloc_node mm/slub.c:3240 [inline] slab_alloc mm/slub.c:3250 [inline] kmem_cache_alloc+0xf7/0x260 mm/slub.c:3255 skb_clone+0x1cf/0x360 net/core/skbuff.c:1547 sk_psock_verdict_recv+0x53/0x800 net/core/skmsg.c:1187 unix_read_sock+0x10a/0x2c0 net/unix/af_unix.c:2428 sk_psock_verdict_data_ready+0x115/0x170 net/core/skmsg.c:1230 unix_dgram_sendmsg+0x11e6/0x1880 net/unix/af_unix.c:1942 sock_sendmsg_nosec net/socket.c:704 [inline] __sock_sendmsg net/socket.c:716 [inline] ____sys_sendmsg+0x5a2/0x8c0 net/socket.c:2436 ___sys_sendmsg+0x1f0/0x260 net/socket.c:2490 __sys_sendmsg net/socket.c:2519 [inline] __do_sys_sendmsg net/socket.c:2528 [inline] __se_sys_sendmsg net/socket.c:2526 [inline] __x64_sys_sendmsg+0x1e2/0x2a0 net/socket.c:2526 x64_sys_call+0x4b/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:47 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 Freed by task 20: kasan_save_stack mm/kasan/common.c:38 [inline] kasan_set_track+0x4a/0x70 mm/kasan/common.c:45 kasan_set_free_info+0x23/0x40 mm/kasan/generic.c:370 ____kasan_slab_free+0x125/0x160 mm/kasan/common.c:365 __kasan_slab_free+0x11/0x20 mm/kasan/common.c:373 kasan_slab_free include/linux/kasan.h:193 [inline] slab_free_hook mm/slub.c:1723 [inline] slab_free_freelist_hook+0xc2/0x190 mm/slub.c:1749 slab_free mm/slub.c:3521 [inline] kmem_cache_free+0x100/0x320 mm/slub.c:3539 kfree_skbmem+0x10c/0x180 net/core/skbuff.c:-1 __kfree_skb net/core/skbuff.c:758 [inline] kfree_skb_reason net/core/skbuff.c:778 [inline] kfree_skb+0xc1/0x2f0 net/core/skbuff.c:792 sock_drop include/linux/skmsg.h:312 [inline] sk_psock_backlog+0xa85/0xd80 net/core/skmsg.c:684 process_one_work+0x6be/0xba0 kernel/workqueue.c:2325 worker_thread+0xa59/0x1200 kernel/workqueue.c:2472 kthread+0x411/0x500 kernel/kthread.c:337 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287 The buggy address belongs to the object at ffff8881200fb640 which belongs to the cache skbuff_head_cache of size 248 The buggy address is located 0 bytes inside of 248-byte region [ffff8881200fb640, ffff8881200fb738) The buggy address belongs to the page: page:ffffea0004803ec0 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1200fb flags: 0x4000000000000200(slab|zone=1) raw: 4000000000000200 0000000000000000 dead000000000122 ffff8881081ab800 raw: 0000000000000000 00000000800c000c 00000001ffffffff 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 0x12cc0(GFP_KERNEL|__GFP_NOWARN|__GFP_NORETRY), pid 90, ts 26556812991, free_ts 26556429604 set_page_owner include/linux/page_owner.h:33 [inline] post_alloc_hook+0x192/0x1b0 mm/page_alloc.c:2605 prep_new_page+0x1c/0x110 mm/page_alloc.c:2611 get_page_from_freelist+0x2cc5/0x2d50 mm/page_alloc.c:4485 __alloc_pages+0x18f/0x440 mm/page_alloc.c:5789 alloc_slab_page mm/slub.c:-1 [inline] allocate_slab mm/slub.c:1932 [inline] new_slab+0xa1/0x4d0 mm/slub.c:1995 ___slab_alloc+0x381/0x810 mm/slub.c:3028 __slab_alloc+0x49/0x90 mm/slub.c:3115 slab_alloc_node mm/slub.c:3206 [inline] slab_alloc mm/slub.c:3250 [inline] kmem_cache_alloc+0x138/0x260 mm/slub.c:3255 kmem_cache_alloc_node include/linux/slab.h:489 [inline] __alloc_skb+0xe0/0x740 net/core/skbuff.c:416 alloc_skb include/linux/skbuff.h:1183 [inline] alloc_skb_with_frags+0xa8/0x620 net/core/skbuff.c:6194 sock_alloc_send_pskb+0x853/0x980 net/core/sock.c:2537 unix_dgram_sendmsg+0x5ea/0x1880 net/unix/af_unix.c:1805 sock_sendmsg_nosec net/socket.c:704 [inline] __sock_sendmsg net/socket.c:716 [inline] __sys_sendto+0x423/0x580 net/socket.c:2063 __do_sys_sendto net/socket.c:2075 [inline] __se_sys_sendto net/socket.c:2071 [inline] __x64_sys_sendto+0xe5/0x100 net/socket.c:2071 x64_sys_call+0x178/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:45 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80 page last free stack trace: reset_page_owner include/linux/page_owner.h:26 [inline] free_pages_prepare mm/page_alloc.c:1472 [inline] free_pcp_prepare mm/page_alloc.c:1544 [inline] free_unref_page_prepare+0x542/0x550 mm/page_alloc.c:3534 free_unref_page+0xa2/0x550 mm/page_alloc.c:3616 free_the_page mm/page_alloc.c:805 [inline] __free_pages+0x6c/0x100 mm/page_alloc.c:5865 free_pages+0x82/0x90 mm/page_alloc.c:5876 _pgd_free arch/x86/mm/pgtable.c:420 [inline] pgd_free+0x187/0x1a0 arch/x86/mm/pgtable.c:476 mm_free_pgd kernel/fork.c:699 [inline] __mmdrop+0xad/0x410 kernel/fork.c:750 mmdrop include/linux/sched/mm.h:49 [inline] finish_task_switch+0x2bb/0x780 kernel/sched/core.c:5052 context_switch kernel/sched/core.c:5158 [inline] __schedule+0xb76/0x14c0 kernel/sched/core.c:6515 schedule+0x11e/0x1e0 kernel/sched/core.c:6598 syslog_print+0x1f9/0x820 kernel/printk/printk.c:1538 do_syslog+0x6ae/0x780 kernel/printk/printk.c:1691 __do_sys_syslog kernel/printk/printk.c:1783 [inline] __se_sys_syslog kernel/printk/printk.c:1781 [inline] __x64_sys_syslog+0x7c/0x90 kernel/printk/printk.c:1781 x64_sys_call+0x728/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:104 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 Memory state around the buggy address: ffff8881200fb500: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ffff8881200fb580: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fc >ffff8881200fb600: fc fc fc fc fc fc fc fc fa fb fb fb fb fb fb fb ^ ffff8881200fb680: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ffff8881200fb700: fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc fc ================================================================== ================================================================== BUG: KASAN: double-free or invalid-free in slab_free mm/slub.c:3521 [inline] BUG: KASAN: double-free or invalid-free in kmem_cache_free+0x100/0x320 mm/slub.c:3539 CPU: 0 PID: 20 Comm: kworker/0:1 Tainted: G B 5.15.185-syzkaller-00339-ge678c93d43cc #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 Workqueue: events bpf_map_free_deferred Call Trace: __dump_stack+0x21/0x30 lib/dump_stack.c:88 dump_stack_lvl+0xee/0x150 lib/dump_stack.c:106 print_address_description+0x7f/0x2c0 mm/kasan/report.c:248 kasan_report_invalid_free+0x58/0x90 mm/kasan/report.c:370 ____kasan_slab_free+0x13d/0x160 mm/kasan/common.c:-1 __kasan_slab_free+0x11/0x20 mm/kasan/common.c:373 kasan_slab_free include/linux/kasan.h:193 [inline] slab_free_hook mm/slub.c:1723 [inline] slab_free_freelist_hook+0xc2/0x190 mm/slub.c:1749 slab_free mm/slub.c:3521 [inline] kmem_cache_free+0x100/0x320 mm/slub.c:3539 kfree_skbmem+0x10c/0x180 net/core/skbuff.c:-1 __kfree_skb net/core/skbuff.c:758 [inline] consume_skb+0xb3/0x1f0 net/core/skbuff.c:930 __sk_msg_free+0x4f4/0x560 net/core/skmsg.c:205 sk_msg_free net/core/skmsg.c:218 [inline] __sk_psock_purge_ingress_msg net/core/skmsg.c:773 [inline] __sk_psock_zap_ingress net/core/skmsg.c:791 [inline] sk_psock_stop+0x4c9/0x570 net/core/skmsg.c:809 sk_psock_drop+0x226/0x300 net/core/skmsg.c:848 sk_psock_put include/linux/skmsg.h:463 [inline] sock_map_unref+0x3c2/0x420 net/core/sock_map.c:184 sock_map_free+0x134/0x2a0 net/core/sock_map.c:354 bpf_map_free_deferred+0x10e/0x1e0 kernel/bpf/syscall.c:481 process_one_work+0x6be/0xba0 kernel/workqueue.c:2325 worker_thread+0xa59/0x1200 kernel/workqueue.c:2472 kthread+0x411/0x500 kernel/kthread.c:337 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287 Allocated by task 289: kasan_save_stack mm/kasan/common.c:38 [inline] kasan_set_track mm/kasan/common.c:45 [inline] set_alloc_info mm/kasan/common.c:433 [inline] __kasan_slab_alloc+0xbd/0xf0 mm/kasan/common.c:466 kasan_slab_alloc include/linux/kasan.h:217 [inline] slab_post_alloc_hook+0x4f/0x2b0 mm/slab.h:550 slab_alloc_node mm/slub.c:3240 [inline] slab_alloc mm/slub.c:3250 [inline] kmem_cache_alloc+0xf7/0x260 mm/slub.c:3255 skb_clone+0x1cf/0x360 net/core/skbuff.c:1547 sk_psock_verdict_recv+0x53/0x800 net/core/skmsg.c:1187 unix_read_sock+0x10a/0x2c0 net/unix/af_unix.c:2428 sk_psock_verdict_data_ready+0x115/0x170 net/core/skmsg.c:1230 unix_dgram_sendmsg+0x11e6/0x1880 net/unix/af_unix.c:1942 sock_sendmsg_nosec net/socket.c:704 [inline] __sock_sendmsg net/socket.c:716 [inline] ____sys_sendmsg+0x5a2/0x8c0 net/socket.c:2436 ___sys_sendmsg+0x1f0/0x260 net/socket.c:2490 __sys_sendmsg net/socket.c:2519 [inline] __do_sys_sendmsg net/socket.c:2528 [inline] __se_sys_sendmsg net/socket.c:2526 [inline] __x64_sys_sendmsg+0x1e2/0x2a0 net/socket.c:2526 x64_sys_call+0x4b/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:47 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 Freed by task 20: kasan_save_stack mm/kasan/common.c:38 [inline] kasan_set_track+0x4a/0x70 mm/kasan/common.c:45 kasan_set_free_info+0x23/0x40 mm/kasan/generic.c:370 ____kasan_slab_free+0x125/0x160 mm/kasan/common.c:365 __kasan_slab_free+0x11/0x20 mm/kasan/common.c:373 kasan_slab_free include/linux/kasan.h:193 [inline] slab_free_hook mm/slub.c:1723 [inline] slab_free_freelist_hook+0xc2/0x190 mm/slub.c:1749 slab_free mm/slub.c:3521 [inline] kmem_cache_free+0x100/0x320 mm/slub.c:3539 kfree_skbmem+0x10c/0x180 net/core/skbuff.c:-1 __kfree_skb net/core/skbuff.c:758 [inline] kfree_skb_reason net/core/skbuff.c:778 [inline] kfree_skb+0xc1/0x2f0 net/core/skbuff.c:792 sock_drop include/linux/skmsg.h:312 [inline] sk_psock_backlog+0xa85/0xd80 net/core/skmsg.c:684 process_one_work+0x6be/0xba0 kernel/workqueue.c:2325 worker_thread+0xa59/0x1200 kernel/workqueue.c:2472 kthread+0x411/0x500 kernel/kthread.c:337 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287 The buggy address belongs to the object at ffff8881001e9a00 which belongs to the cache skbuff_head_cache of size 248 The buggy address is located 0 bytes inside of 248-byte region [ffff8881001e9a00, ffff8881001e9af8) The buggy address belongs to the page: page:ffffea0004007a40 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1001e9 flags: 0x4000000000000200(slab|zone=1) raw: 4000000000000200 0000000000000000 dead000000000122 ffff8881081ab800 raw: 0000000000000000 00000000800c000c 00000001ffffffff 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 0x12cc0(GFP_KERNEL|__GFP_NOWARN|__GFP_NORETRY), pid 90, ts 29721765796, free_ts 25903264978 set_page_owner include/linux/page_owner.h:33 [inline] post_alloc_hook+0x192/0x1b0 mm/page_alloc.c:2605 prep_new_page+0x1c/0x110 mm/page_alloc.c:2611 get_page_from_freelist+0x2cc5/0x2d50 mm/page_alloc.c:4485 __alloc_pages+0x18f/0x440 mm/page_alloc.c:5789 alloc_slab_page mm/slub.c:-1 [inline] allocate_slab mm/slub.c:1932 [inline] new_slab+0xa1/0x4d0 mm/slub.c:1995 ___slab_alloc+0x381/0x810 mm/slub.c:3028 __slab_alloc+0x49/0x90 mm/slub.c:3115 slab_alloc_node mm/slub.c:3206 [inline] slab_alloc mm/slub.c:3250 [inline] kmem_cache_alloc+0x138/0x260 mm/slub.c:3255 kmem_cache_alloc_node include/linux/slab.h:489 [inline] __alloc_skb+0xe0/0x740 net/core/skbuff.c:416 alloc_skb include/linux/skbuff.h:1183 [inline] alloc_skb_with_frags+0xa8/0x620 net/core/skbuff.c:6194 sock_alloc_send_pskb+0x853/0x980 net/core/sock.c:2537 unix_dgram_sendmsg+0x5ea/0x1880 net/unix/af_unix.c:1805 sock_sendmsg_nosec net/socket.c:704 [inline] __sock_sendmsg net/socket.c:716 [inline] __sys_sendto+0x423/0x580 net/socket.c:2063 __do_sys_sendto net/socket.c:2075 [inline] __se_sys_sendto net/socket.c:2071 [inline] __x64_sys_sendto+0xe5/0x100 net/socket.c:2071 x64_sys_call+0x178/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:45 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80 page last free stack trace: reset_page_owner include/linux/page_owner.h:26 [inline] free_pages_prepare mm/page_alloc.c:1472 [inline] free_pcp_prepare mm/page_alloc.c:1544 [inline] free_unref_page_prepare+0x542/0x550 mm/page_alloc.c:3534 free_unref_page_list+0x134/0x9d0 mm/page_alloc.c:3671 release_pages+0x1076/0x10d0 mm/swap.c:1009 free_pages_and_swap_cache+0x86/0xa0 mm/swap_state.c:320 tlb_batch_pages_flush mm/mmu_gather.c:49 [inline] tlb_flush_mmu_free mm/mmu_gather.c:240 [inline] tlb_flush_mmu mm/mmu_gather.c:247 [inline] tlb_finish_mmu+0x175/0x300 mm/mmu_gather.c:338 exit_mmap+0x40f/0x860 mm/mmap.c:3236 __mmput+0x93/0x320 kernel/fork.c:1180 mmput+0x50/0x150 kernel/fork.c:1203 exit_mm kernel/exit.c:554 [inline] do_exit+0x9ca/0x27a0 kernel/exit.c:867 do_group_exit+0x141/0x310 kernel/exit.c:1002 __do_sys_exit_group kernel/exit.c:1013 [inline] __se_sys_exit_group kernel/exit.c:1011 [inline] __x64_sys_exit_group+0x3f/0x40 kernel/exit.c:1011 x64_sys_call+0x832/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:232 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 Memory state around the buggy address: ffff8881001e9900: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ffff8881001e9980: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc >ffff8881001e9a00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ^ ffff8881001e9a80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fc ffff8881001e9b00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ================================================================== final repro crashed as (corrupted=false): ================================================================== BUG: KASAN: use-after-free in instrument_atomic_read include/linux/instrumented.h:71 [inline] BUG: KASAN: use-after-free in atomic_read include/linux/atomic/atomic-instrumented.h:27 [inline] BUG: KASAN: use-after-free in refcount_read include/linux/refcount.h:147 [inline] BUG: KASAN: use-after-free in skb_unref include/linux/skbuff.h:1131 [inline] BUG: KASAN: use-after-free in consume_skb+0x3a/0x1f0 net/core/skbuff.c:926 Read of size 4 at addr ffff888120064d6c by task kworker/0:1/20 CPU: 0 PID: 20 Comm: kworker/0:1 Not tainted 5.15.185-syzkaller-00339-ge678c93d43cc #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 Workqueue: events bpf_map_free_deferred Call Trace: __dump_stack+0x21/0x30 lib/dump_stack.c:88 dump_stack_lvl+0xee/0x150 lib/dump_stack.c:106 print_address_description+0x7f/0x2c0 mm/kasan/report.c:248 __kasan_report mm/kasan/report.c:427 [inline] kasan_report+0xf1/0x140 mm/kasan/report.c:444 check_region_inline mm/kasan/generic.c:-1 [inline] kasan_check_range+0x280/0x290 mm/kasan/generic.c:189 __kasan_check_read+0x11/0x20 mm/kasan/shadow.c:31 instrument_atomic_read include/linux/instrumented.h:71 [inline] atomic_read include/linux/atomic/atomic-instrumented.h:27 [inline] refcount_read include/linux/refcount.h:147 [inline] skb_unref include/linux/skbuff.h:1131 [inline] consume_skb+0x3a/0x1f0 net/core/skbuff.c:926 __sk_msg_free+0x4f4/0x560 net/core/skmsg.c:205 sk_msg_free net/core/skmsg.c:218 [inline] __sk_psock_purge_ingress_msg net/core/skmsg.c:773 [inline] __sk_psock_zap_ingress net/core/skmsg.c:791 [inline] sk_psock_stop+0x4c9/0x570 net/core/skmsg.c:809 sk_psock_drop+0x226/0x300 net/core/skmsg.c:848 sk_psock_put include/linux/skmsg.h:463 [inline] sock_map_unref+0x3c2/0x420 net/core/sock_map.c:184 sock_map_free+0x134/0x2a0 net/core/sock_map.c:354 bpf_map_free_deferred+0x10e/0x1e0 kernel/bpf/syscall.c:481 process_one_work+0x6be/0xba0 kernel/workqueue.c:2325 worker_thread+0xa59/0x1200 kernel/workqueue.c:2472 kthread+0x411/0x500 kernel/kthread.c:337 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287 Allocated by task 282: kasan_save_stack mm/kasan/common.c:38 [inline] kasan_set_track mm/kasan/common.c:45 [inline] set_alloc_info mm/kasan/common.c:433 [inline] __kasan_slab_alloc+0xbd/0xf0 mm/kasan/common.c:466 kasan_slab_alloc include/linux/kasan.h:217 [inline] slab_post_alloc_hook+0x4f/0x2b0 mm/slab.h:550 slab_alloc_node mm/slub.c:3240 [inline] slab_alloc mm/slub.c:3250 [inline] kmem_cache_alloc+0xf7/0x260 mm/slub.c:3255 skb_clone+0x1cf/0x360 net/core/skbuff.c:1547 sk_psock_verdict_recv+0x53/0x800 net/core/skmsg.c:1187 unix_read_sock+0x10a/0x2c0 net/unix/af_unix.c:2428 sk_psock_verdict_data_ready+0x115/0x170 net/core/skmsg.c:1230 unix_dgram_sendmsg+0x11e6/0x1880 net/unix/af_unix.c:1942 sock_sendmsg_nosec net/socket.c:704 [inline] __sock_sendmsg net/socket.c:716 [inline] ____sys_sendmsg+0x5a2/0x8c0 net/socket.c:2436 ___sys_sendmsg+0x1f0/0x260 net/socket.c:2490 __sys_sendmsg net/socket.c:2519 [inline] __do_sys_sendmsg net/socket.c:2528 [inline] __se_sys_sendmsg net/socket.c:2526 [inline] __x64_sys_sendmsg+0x1e2/0x2a0 net/socket.c:2526 x64_sys_call+0x4b/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:47 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 Freed by task 20: kasan_save_stack mm/kasan/common.c:38 [inline] kasan_set_track+0x4a/0x70 mm/kasan/common.c:45 kasan_set_free_info+0x23/0x40 mm/kasan/generic.c:370 ____kasan_slab_free+0x125/0x160 mm/kasan/common.c:365 __kasan_slab_free+0x11/0x20 mm/kasan/common.c:373 kasan_slab_free include/linux/kasan.h:193 [inline] slab_free_hook mm/slub.c:1723 [inline] slab_free_freelist_hook+0xc2/0x190 mm/slub.c:1749 slab_free mm/slub.c:3521 [inline] kmem_cache_free+0x100/0x320 mm/slub.c:3539 kfree_skbmem+0x10c/0x180 net/core/skbuff.c:-1 __kfree_skb net/core/skbuff.c:758 [inline] kfree_skb_reason net/core/skbuff.c:778 [inline] kfree_skb+0xc1/0x2f0 net/core/skbuff.c:792 sock_drop include/linux/skmsg.h:312 [inline] sk_psock_backlog+0xa85/0xd80 net/core/skmsg.c:684 process_one_work+0x6be/0xba0 kernel/workqueue.c:2325 worker_thread+0xa59/0x1200 kernel/workqueue.c:2472 kthread+0x411/0x500 kernel/kthread.c:337 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287 The buggy address belongs to the object at ffff888120064c80 which belongs to the cache skbuff_head_cache of size 248 The buggy address is located 236 bytes inside of 248-byte region [ffff888120064c80, ffff888120064d78) The buggy address belongs to the page: page:ffffea0004801900 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x120064 flags: 0x4000000000000200(slab|zone=1) raw: 4000000000000200 0000000000000000 dead000000000122 ffff8881081ab800 raw: 0000000000000000 00000000800c000c 00000001ffffffff 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 0x12a20(GFP_ATOMIC|__GFP_NOWARN|__GFP_NORETRY), pid 282, ts 22776730781, free_ts 17754778644 set_page_owner include/linux/page_owner.h:33 [inline] post_alloc_hook+0x192/0x1b0 mm/page_alloc.c:2605 prep_new_page+0x1c/0x110 mm/page_alloc.c:2611 get_page_from_freelist+0x2cc5/0x2d50 mm/page_alloc.c:4485 __alloc_pages+0x18f/0x440 mm/page_alloc.c:5789 alloc_slab_page mm/slub.c:-1 [inline] allocate_slab mm/slub.c:1932 [inline] new_slab+0xa1/0x4d0 mm/slub.c:1995 ___slab_alloc+0x381/0x810 mm/slub.c:3028 __slab_alloc+0x49/0x90 mm/slub.c:3115 slab_alloc_node mm/slub.c:3206 [inline] slab_alloc mm/slub.c:3250 [inline] kmem_cache_alloc+0x138/0x260 mm/slub.c:3255 kmem_cache_alloc_node include/linux/slab.h:489 [inline] __alloc_skb+0xe0/0x740 net/core/skbuff.c:416 alloc_skb include/linux/skbuff.h:1183 [inline] nlmsg_new include/net/netlink.h:953 [inline] audit_buffer_alloc kernel/audit.c:1799 [inline] audit_log_start+0x3c7/0x8b0 kernel/audit.c:1917 common_lsm_audit+0xd1/0x1600 security/lsm_audit.c:457 slow_avc_audit+0x1ac/0x220 security/selinux/avc.c:802 avc_audit security/selinux/include/avc.h:135 [inline] avc_has_perm+0x1e6/0x240 security/selinux/avc.c:1190 selinux_bpf+0xc7/0xf0 security/selinux/hooks.c:-1 security_bpf+0x72/0xa0 security/security.c:2617 __sys_bpf+0x287/0x730 kernel/bpf/syscall.c:4609 page last free stack trace: reset_page_owner include/linux/page_owner.h:26 [inline] free_pages_prepare mm/page_alloc.c:1472 [inline] free_pcp_prepare mm/page_alloc.c:1544 [inline] free_unref_page_prepare+0x542/0x550 mm/page_alloc.c:3534 free_unref_page_list+0x134/0x9d0 mm/page_alloc.c:3671 release_pages+0x1076/0x10d0 mm/swap.c:1009 free_pages_and_swap_cache+0x86/0xa0 mm/swap_state.c:320 tlb_batch_pages_flush mm/mmu_gather.c:49 [inline] tlb_flush_mmu_free mm/mmu_gather.c:240 [inline] tlb_flush_mmu mm/mmu_gather.c:247 [inline] tlb_finish_mmu+0x175/0x300 mm/mmu_gather.c:338 exit_mmap+0x40f/0x860 mm/mmap.c:3236 __mmput+0x93/0x320 kernel/fork.c:1180 mmput+0x50/0x150 kernel/fork.c:1203 exit_mm kernel/exit.c:554 [inline] do_exit+0x9ca/0x27a0 kernel/exit.c:867 do_group_exit+0x141/0x310 kernel/exit.c:1002 __do_sys_exit_group kernel/exit.c:1013 [inline] __se_sys_exit_group kernel/exit.c:1011 [inline] __x64_sys_exit_group+0x3f/0x40 kernel/exit.c:1011 x64_sys_call+0x832/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:232 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 Memory state around the buggy address: ffff888120064c00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ffff888120064c80: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb >ffff888120064d00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fc ^ ffff888120064d80: fc fc fc fc fc fc fc fc fa fb fb fb fb fb fb fb ffff888120064e00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ================================================================== ================================================================== BUG: KASAN: double-free or invalid-free in slab_free mm/slub.c:3521 [inline] BUG: KASAN: double-free or invalid-free in kmem_cache_free+0x100/0x320 mm/slub.c:3539 CPU: 0 PID: 20 Comm: kworker/0:1 Tainted: G B 5.15.185-syzkaller-00339-ge678c93d43cc #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 Workqueue: events bpf_map_free_deferred Call Trace: __dump_stack+0x21/0x30 lib/dump_stack.c:88 dump_stack_lvl+0xee/0x150 lib/dump_stack.c:106 print_address_description+0x7f/0x2c0 mm/kasan/report.c:248 kasan_report_invalid_free+0x58/0x90 mm/kasan/report.c:370 ____kasan_slab_free+0x13d/0x160 mm/kasan/common.c:-1 __kasan_slab_free+0x11/0x20 mm/kasan/common.c:373 kasan_slab_free include/linux/kasan.h:193 [inline] slab_free_hook mm/slub.c:1723 [inline] slab_free_freelist_hook+0xc2/0x190 mm/slub.c:1749 slab_free mm/slub.c:3521 [inline] kmem_cache_free+0x100/0x320 mm/slub.c:3539 kfree_skbmem+0x10c/0x180 net/core/skbuff.c:-1 __kfree_skb net/core/skbuff.c:758 [inline] consume_skb+0xb3/0x1f0 net/core/skbuff.c:930 __sk_msg_free+0x4f4/0x560 net/core/skmsg.c:205 sk_msg_free net/core/skmsg.c:218 [inline] __sk_psock_purge_ingress_msg net/core/skmsg.c:773 [inline] __sk_psock_zap_ingress net/core/skmsg.c:791 [inline] sk_psock_stop+0x4c9/0x570 net/core/skmsg.c:809 sk_psock_drop+0x226/0x300 net/core/skmsg.c:848 sk_psock_put include/linux/skmsg.h:463 [inline] sock_map_unref+0x3c2/0x420 net/core/sock_map.c:184 sock_map_free+0x134/0x2a0 net/core/sock_map.c:354 bpf_map_free_deferred+0x10e/0x1e0 kernel/bpf/syscall.c:481 process_one_work+0x6be/0xba0 kernel/workqueue.c:2325 worker_thread+0xa59/0x1200 kernel/workqueue.c:2472 kthread+0x411/0x500 kernel/kthread.c:337 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287 Allocated by task 282: kasan_save_stack mm/kasan/common.c:38 [inline] kasan_set_track mm/kasan/common.c:45 [inline] set_alloc_info mm/kasan/common.c:433 [inline] __kasan_slab_alloc+0xbd/0xf0 mm/kasan/common.c:466 kasan_slab_alloc include/linux/kasan.h:217 [inline] slab_post_alloc_hook+0x4f/0x2b0 mm/slab.h:550 slab_alloc_node mm/slub.c:3240 [inline] slab_alloc mm/slub.c:3250 [inline] kmem_cache_alloc+0xf7/0x260 mm/slub.c:3255 skb_clone+0x1cf/0x360 net/core/skbuff.c:1547 sk_psock_verdict_recv+0x53/0x800 net/core/skmsg.c:1187 unix_read_sock+0x10a/0x2c0 net/unix/af_unix.c:2428 sk_psock_verdict_data_ready+0x115/0x170 net/core/skmsg.c:1230 unix_dgram_sendmsg+0x11e6/0x1880 net/unix/af_unix.c:1942 sock_sendmsg_nosec net/socket.c:704 [inline] __sock_sendmsg net/socket.c:716 [inline] ____sys_sendmsg+0x5a2/0x8c0 net/socket.c:2436 ___sys_sendmsg+0x1f0/0x260 net/socket.c:2490 __sys_sendmsg net/socket.c:2519 [inline] __do_sys_sendmsg net/socket.c:2528 [inline] __se_sys_sendmsg net/socket.c:2526 [inline] __x64_sys_sendmsg+0x1e2/0x2a0 net/socket.c:2526 x64_sys_call+0x4b/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:47 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 Freed by task 20: kasan_save_stack mm/kasan/common.c:38 [inline] kasan_set_track+0x4a/0x70 mm/kasan/common.c:45 kasan_set_free_info+0x23/0x40 mm/kasan/generic.c:370 ____kasan_slab_free+0x125/0x160 mm/kasan/common.c:365 __kasan_slab_free+0x11/0x20 mm/kasan/common.c:373 kasan_slab_free include/linux/kasan.h:193 [inline] slab_free_hook mm/slub.c:1723 [inline] slab_free_freelist_hook+0xc2/0x190 mm/slub.c:1749 slab_free mm/slub.c:3521 [inline] kmem_cache_free+0x100/0x320 mm/slub.c:3539 kfree_skbmem+0x10c/0x180 net/core/skbuff.c:-1 __kfree_skb net/core/skbuff.c:758 [inline] kfree_skb_reason net/core/skbuff.c:778 [inline] kfree_skb+0xc1/0x2f0 net/core/skbuff.c:792 sock_drop include/linux/skmsg.h:312 [inline] sk_psock_backlog+0xa85/0xd80 net/core/skmsg.c:684 process_one_work+0x6be/0xba0 kernel/workqueue.c:2325 worker_thread+0xa59/0x1200 kernel/workqueue.c:2472 kthread+0x411/0x500 kernel/kthread.c:337 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287 The buggy address belongs to the object at ffff888120064c80 which belongs to the cache skbuff_head_cache of size 248 The buggy address is located 0 bytes inside of 248-byte region [ffff888120064c80, ffff888120064d78) The buggy address belongs to the page: page:ffffea0004801900 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x120064 flags: 0x4000000000000200(slab|zone=1) raw: 4000000000000200 0000000000000000 dead000000000122 ffff8881081ab800 raw: 0000000000000000 00000000800c000c 00000001ffffffff 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 0x12a20(GFP_ATOMIC|__GFP_NOWARN|__GFP_NORETRY), pid 282, ts 22776730781, free_ts 17754778644 set_page_owner include/linux/page_owner.h:33 [inline] post_alloc_hook+0x192/0x1b0 mm/page_alloc.c:2605 prep_new_page+0x1c/0x110 mm/page_alloc.c:2611 get_page_from_freelist+0x2cc5/0x2d50 mm/page_alloc.c:4485 __alloc_pages+0x18f/0x440 mm/page_alloc.c:5789 alloc_slab_page mm/slub.c:-1 [inline] allocate_slab mm/slub.c:1932 [inline] new_slab+0xa1/0x4d0 mm/slub.c:1995 ___slab_alloc+0x381/0x810 mm/slub.c:3028 __slab_alloc+0x49/0x90 mm/slub.c:3115 slab_alloc_node mm/slub.c:3206 [inline] slab_alloc mm/slub.c:3250 [inline] kmem_cache_alloc+0x138/0x260 mm/slub.c:3255 kmem_cache_alloc_node include/linux/slab.h:489 [inline] __alloc_skb+0xe0/0x740 net/core/skbuff.c:416 alloc_skb include/linux/skbuff.h:1183 [inline] nlmsg_new include/net/netlink.h:953 [inline] audit_buffer_alloc kernel/audit.c:1799 [inline] audit_log_start+0x3c7/0x8b0 kernel/audit.c:1917 common_lsm_audit+0xd1/0x1600 security/lsm_audit.c:457 slow_avc_audit+0x1ac/0x220 security/selinux/avc.c:802 avc_audit security/selinux/include/avc.h:135 [inline] avc_has_perm+0x1e6/0x240 security/selinux/avc.c:1190 selinux_bpf+0xc7/0xf0 security/selinux/hooks.c:-1 security_bpf+0x72/0xa0 security/security.c:2617 __sys_bpf+0x287/0x730 kernel/bpf/syscall.c:4609 page last free stack trace: reset_page_owner include/linux/page_owner.h:26 [inline] free_pages_prepare mm/page_alloc.c:1472 [inline] free_pcp_prepare mm/page_alloc.c:1544 [inline] free_unref_page_prepare+0x542/0x550 mm/page_alloc.c:3534 free_unref_page_list+0x134/0x9d0 mm/page_alloc.c:3671 release_pages+0x1076/0x10d0 mm/swap.c:1009 free_pages_and_swap_cache+0x86/0xa0 mm/swap_state.c:320 tlb_batch_pages_flush mm/mmu_gather.c:49 [inline] tlb_flush_mmu_free mm/mmu_gather.c:240 [inline] tlb_flush_mmu mm/mmu_gather.c:247 [inline] tlb_finish_mmu+0x175/0x300 mm/mmu_gather.c:338 exit_mmap+0x40f/0x860 mm/mmap.c:3236 __mmput+0x93/0x320 kernel/fork.c:1180 mmput+0x50/0x150 kernel/fork.c:1203 exit_mm kernel/exit.c:554 [inline] do_exit+0x9ca/0x27a0 kernel/exit.c:867 do_group_exit+0x141/0x310 kernel/exit.c:1002 __do_sys_exit_group kernel/exit.c:1013 [inline] __se_sys_exit_group kernel/exit.c:1011 [inline] __x64_sys_exit_group+0x3f/0x40 kernel/exit.c:1011 x64_sys_call+0x832/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:232 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 Memory state around the buggy address: ffff888120064b80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ffff888120064c00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc >ffff888120064c80: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ^ ffff888120064d00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fc ffff888120064d80: fc fc fc fc fc fc fc fc fa fb fb fb fb fb fb fb ================================================================== ================================================================== BUG: KASAN: double-free or invalid-free in slab_free mm/slub.c:3521 [inline] BUG: KASAN: double-free or invalid-free in kmem_cache_free+0x100/0x320 mm/slub.c:3539 CPU: 0 PID: 20 Comm: kworker/0:1 Tainted: G B 5.15.185-syzkaller-00339-ge678c93d43cc #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 Workqueue: events bpf_map_free_deferred Call Trace: __dump_stack+0x21/0x30 lib/dump_stack.c:88 dump_stack_lvl+0xee/0x150 lib/dump_stack.c:106 print_address_description+0x7f/0x2c0 mm/kasan/report.c:248 kasan_report_invalid_free+0x58/0x90 mm/kasan/report.c:370 ____kasan_slab_free+0x13d/0x160 mm/kasan/common.c:-1 __kasan_slab_free+0x11/0x20 mm/kasan/common.c:373 kasan_slab_free include/linux/kasan.h:193 [inline] slab_free_hook mm/slub.c:1723 [inline] slab_free_freelist_hook+0xc2/0x190 mm/slub.c:1749 slab_free mm/slub.c:3521 [inline] kmem_cache_free+0x100/0x320 mm/slub.c:3539 kfree_skbmem+0x10c/0x180 net/core/skbuff.c:-1 __kfree_skb net/core/skbuff.c:758 [inline] consume_skb+0xb3/0x1f0 net/core/skbuff.c:930 __sk_msg_free+0x4f4/0x560 net/core/skmsg.c:205 sk_msg_free net/core/skmsg.c:218 [inline] __sk_psock_purge_ingress_msg net/core/skmsg.c:773 [inline] __sk_psock_zap_ingress net/core/skmsg.c:791 [inline] sk_psock_stop+0x4c9/0x570 net/core/skmsg.c:809 sk_psock_drop+0x226/0x300 net/core/skmsg.c:848 sk_psock_put include/linux/skmsg.h:463 [inline] sock_map_unref+0x3c2/0x420 net/core/sock_map.c:184 sock_map_free+0x134/0x2a0 net/core/sock_map.c:354 bpf_map_free_deferred+0x10e/0x1e0 kernel/bpf/syscall.c:481 process_one_work+0x6be/0xba0 kernel/workqueue.c:2325 worker_thread+0xa59/0x1200 kernel/workqueue.c:2472 kthread+0x411/0x500 kernel/kthread.c:337 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287 Allocated by task 283: kasan_save_stack mm/kasan/common.c:38 [inline] kasan_set_track mm/kasan/common.c:45 [inline] set_alloc_info mm/kasan/common.c:433 [inline] __kasan_slab_alloc+0xbd/0xf0 mm/kasan/common.c:466 kasan_slab_alloc include/linux/kasan.h:217 [inline] slab_post_alloc_hook+0x4f/0x2b0 mm/slab.h:550 slab_alloc_node mm/slub.c:3240 [inline] slab_alloc mm/slub.c:3250 [inline] kmem_cache_alloc+0xf7/0x260 mm/slub.c:3255 skb_clone+0x1cf/0x360 net/core/skbuff.c:1547 sk_psock_verdict_recv+0x53/0x800 net/core/skmsg.c:1187 unix_read_sock+0x10a/0x2c0 net/unix/af_unix.c:2428 sk_psock_verdict_data_ready+0x115/0x170 net/core/skmsg.c:1230 unix_dgram_sendmsg+0x11e6/0x1880 net/unix/af_unix.c:1942 sock_sendmsg_nosec net/socket.c:704 [inline] __sock_sendmsg net/socket.c:716 [inline] ____sys_sendmsg+0x5a2/0x8c0 net/socket.c:2436 ___sys_sendmsg+0x1f0/0x260 net/socket.c:2490 __sys_sendmsg net/socket.c:2519 [inline] __do_sys_sendmsg net/socket.c:2528 [inline] __se_sys_sendmsg net/socket.c:2526 [inline] __x64_sys_sendmsg+0x1e2/0x2a0 net/socket.c:2526 x64_sys_call+0x4b/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:47 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 Freed by task 284: kasan_save_stack mm/kasan/common.c:38 [inline] kasan_set_track+0x4a/0x70 mm/kasan/common.c:45 kasan_set_free_info+0x23/0x40 mm/kasan/generic.c:370 ____kasan_slab_free+0x125/0x160 mm/kasan/common.c:365 __kasan_slab_free+0x11/0x20 mm/kasan/common.c:373 kasan_slab_free include/linux/kasan.h:193 [inline] slab_free_hook mm/slub.c:1723 [inline] slab_free_freelist_hook+0xc2/0x190 mm/slub.c:1749 slab_free mm/slub.c:3521 [inline] kmem_cache_free+0x100/0x320 mm/slub.c:3539 kfree_skbmem+0x10c/0x180 net/core/skbuff.c:-1 __kfree_skb net/core/skbuff.c:758 [inline] kfree_skb_reason net/core/skbuff.c:778 [inline] kfree_skb+0xc1/0x2f0 net/core/skbuff.c:792 sock_drop include/linux/skmsg.h:312 [inline] sk_psock_backlog+0xa85/0xd80 net/core/skmsg.c:684 process_one_work+0x6be/0xba0 kernel/workqueue.c:2325 worker_thread+0xa59/0x1200 kernel/workqueue.c:2472 kthread+0x411/0x500 kernel/kthread.c:337 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287 The buggy address belongs to the object at ffff888120394000 which belongs to the cache skbuff_head_cache of size 248 The buggy address is located 0 bytes inside of 248-byte region [ffff888120394000, ffff8881203940f8) The buggy address belongs to the page: page:ffffea000480e500 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x120394 flags: 0x4000000000000200(slab|zone=1) raw: 4000000000000200 0000000000000000 dead000000000122 ffff8881081ab800 raw: 0000000000000000 00000000000c000c 00000001ffffffff 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 0x12a20(GFP_ATOMIC|__GFP_NOWARN|__GFP_NORETRY), pid 283, ts 23427408932, free_ts 23174583757 set_page_owner include/linux/page_owner.h:33 [inline] post_alloc_hook+0x192/0x1b0 mm/page_alloc.c:2605 prep_new_page+0x1c/0x110 mm/page_alloc.c:2611 get_page_from_freelist+0x2cc5/0x2d50 mm/page_alloc.c:4485 __alloc_pages+0x18f/0x440 mm/page_alloc.c:5789 alloc_slab_page mm/slub.c:-1 [inline] allocate_slab mm/slub.c:1932 [inline] new_slab+0xa1/0x4d0 mm/slub.c:1995 ___slab_alloc+0x381/0x810 mm/slub.c:3028 __slab_alloc+0x49/0x90 mm/slub.c:3115 slab_alloc_node mm/slub.c:3206 [inline] slab_alloc mm/slub.c:3250 [inline] kmem_cache_alloc+0x138/0x260 mm/slub.c:3255 skb_clone+0x1cf/0x360 net/core/skbuff.c:1547 dev_queue_xmit_nit+0x269/0xa40 net/core/dev.c:2349 xmit_one net/core/dev.c:3652 [inline] dev_hard_start_xmit+0x163/0x670 net/core/dev.c:3673 sch_direct_xmit+0x267/0x8d0 net/sched/sch_generic.c:342 __dev_xmit_skb net/core/dev.c:3892 [inline] __dev_queue_xmit+0x1523/0x2d80 net/core/dev.c:4261 dev_queue_xmit+0x17/0x20 net/core/dev.c:4329 neigh_hh_output include/net/neighbour.h:501 [inline] neigh_output include/net/neighbour.h:515 [inline] ip_finish_output2+0xb7c/0xe60 net/ipv4/ip_output.c:228 __ip_finish_output+0x161/0x360 net/ipv4/ip_output.c:-1 page last free stack trace: reset_page_owner include/linux/page_owner.h:26 [inline] free_pages_prepare mm/page_alloc.c:1472 [inline] free_pcp_prepare mm/page_alloc.c:1544 [inline] free_unref_page_prepare+0x542/0x550 mm/page_alloc.c:3534 free_unref_page+0xa2/0x550 mm/page_alloc.c:3616 free_the_page mm/page_alloc.c:805 [inline] __free_pages+0x6c/0x100 mm/page_alloc.c:5865 __vunmap+0x84d/0x9e0 mm/vmalloc.c:2652 __vfree mm/vmalloc.c:2701 [inline] vfree+0x8b/0xc0 mm/vmalloc.c:2732 bpf_prog_calc_tag+0x5bc/0x6d0 kernel/bpf/core.c:337 resolve_pseudo_ldimm64+0xd4/0x11d0 kernel/bpf/verifier.c:11786 bpf_check+0x2c44/0xf330 kernel/bpf/verifier.c:14076 bpf_prog_load+0x1042/0x1550 kernel/bpf/syscall.c:2328 __sys_bpf+0x4c3/0x730 kernel/bpf/syscall.c:4633 __do_sys_bpf kernel/bpf/syscall.c:4737 [inline] __se_sys_bpf kernel/bpf/syscall.c:4735 [inline] __x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:4735 x64_sys_call+0x4b9/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:322 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 Memory state around the buggy address: ffff888120393f00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ffff888120393f80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 >ffff888120394000: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ^ ffff888120394080: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fc ffff888120394100: fc fc fc fc fc fc fc fc fa fb fb fb fb fb fb fb ================================================================== ================================================================== BUG: KASAN: double-free or invalid-free in slab_free mm/slub.c:3521 [inline] BUG: KASAN: double-free or invalid-free in kmem_cache_free+0x100/0x320 mm/slub.c:3539 CPU: 0 PID: 20 Comm: kworker/0:1 Tainted: G B 5.15.185-syzkaller-00339-ge678c93d43cc #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 Workqueue: events bpf_map_free_deferred Call Trace: __dump_stack+0x21/0x30 lib/dump_stack.c:88 dump_stack_lvl+0xee/0x150 lib/dump_stack.c:106 print_address_description+0x7f/0x2c0 mm/kasan/report.c:248 kasan_report_invalid_free+0x58/0x90 mm/kasan/report.c:370 ____kasan_slab_free+0x13d/0x160 mm/kasan/common.c:-1 __kasan_slab_free+0x11/0x20 mm/kasan/common.c:373 kasan_slab_free include/linux/kasan.h:193 [inline] slab_free_hook mm/slub.c:1723 [inline] slab_free_freelist_hook+0xc2/0x190 mm/slub.c:1749 slab_free mm/slub.c:3521 [inline] kmem_cache_free+0x100/0x320 mm/slub.c:3539 kfree_skbmem+0x10c/0x180 net/core/skbuff.c:-1 __kfree_skb net/core/skbuff.c:758 [inline] consume_skb+0xb3/0x1f0 net/core/skbuff.c:930 __sk_msg_free+0x4f4/0x560 net/core/skmsg.c:205 sk_msg_free net/core/skmsg.c:218 [inline] __sk_psock_purge_ingress_msg net/core/skmsg.c:773 [inline] __sk_psock_zap_ingress net/core/skmsg.c:791 [inline] sk_psock_stop+0x4c9/0x570 net/core/skmsg.c:809 sk_psock_drop+0x226/0x300 net/core/skmsg.c:848 sk_psock_put include/linux/skmsg.h:463 [inline] sock_map_unref+0x3c2/0x420 net/core/sock_map.c:184 sock_map_free+0x134/0x2a0 net/core/sock_map.c:354 bpf_map_free_deferred+0x10e/0x1e0 kernel/bpf/syscall.c:481 process_one_work+0x6be/0xba0 kernel/workqueue.c:2325 worker_thread+0xa59/0x1200 kernel/workqueue.c:2472 kthread+0x411/0x500 kernel/kthread.c:337 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287 Allocated by task 285: kasan_save_stack mm/kasan/common.c:38 [inline] kasan_set_track mm/kasan/common.c:45 [inline] set_alloc_info mm/kasan/common.c:433 [inline] __kasan_slab_alloc+0xbd/0xf0 mm/kasan/common.c:466 kasan_slab_alloc include/linux/kasan.h:217 [inline] slab_post_alloc_hook+0x4f/0x2b0 mm/slab.h:550 slab_alloc_node mm/slub.c:3240 [inline] slab_alloc mm/slub.c:3250 [inline] kmem_cache_alloc+0xf7/0x260 mm/slub.c:3255 skb_clone+0x1cf/0x360 net/core/skbuff.c:1547 sk_psock_verdict_recv+0x53/0x800 net/core/skmsg.c:1187 unix_read_sock+0x10a/0x2c0 net/unix/af_unix.c:2428 sk_psock_verdict_data_ready+0x115/0x170 net/core/skmsg.c:1230 unix_dgram_sendmsg+0x11e6/0x1880 net/unix/af_unix.c:1942 sock_sendmsg_nosec net/socket.c:704 [inline] __sock_sendmsg net/socket.c:716 [inline] ____sys_sendmsg+0x5a2/0x8c0 net/socket.c:2436 ___sys_sendmsg+0x1f0/0x260 net/socket.c:2490 __sys_sendmsg net/socket.c:2519 [inline] __do_sys_sendmsg net/socket.c:2528 [inline] __se_sys_sendmsg net/socket.c:2526 [inline] __x64_sys_sendmsg+0x1e2/0x2a0 net/socket.c:2526 x64_sys_call+0x4b/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:47 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 Freed by task 20: kasan_save_stack mm/kasan/common.c:38 [inline] kasan_set_track+0x4a/0x70 mm/kasan/common.c:45 kasan_set_free_info+0x23/0x40 mm/kasan/generic.c:370 ____kasan_slab_free+0x125/0x160 mm/kasan/common.c:365 __kasan_slab_free+0x11/0x20 mm/kasan/common.c:373 kasan_slab_free include/linux/kasan.h:193 [inline] slab_free_hook mm/slub.c:1723 [inline] slab_free_freelist_hook+0xc2/0x190 mm/slub.c:1749 slab_free mm/slub.c:3521 [inline] kmem_cache_free+0x100/0x320 mm/slub.c:3539 kfree_skbmem+0x10c/0x180 net/core/skbuff.c:-1 __kfree_skb net/core/skbuff.c:758 [inline] kfree_skb_reason net/core/skbuff.c:778 [inline] kfree_skb+0xc1/0x2f0 net/core/skbuff.c:792 sock_drop include/linux/skmsg.h:312 [inline] sk_psock_backlog+0xa85/0xd80 net/core/skmsg.c:684 process_one_work+0x6be/0xba0 kernel/workqueue.c:2325 worker_thread+0xa59/0x1200 kernel/workqueue.c:2472 kthread+0x411/0x500 kernel/kthread.c:337 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287 The buggy address belongs to the object at ffff88812039cdc0 which belongs to the cache skbuff_head_cache of size 248 The buggy address is located 0 bytes inside of 248-byte region [ffff88812039cdc0, ffff88812039ceb8) The buggy address belongs to the page: page:ffffea000480e700 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x12039c flags: 0x4000000000000200(slab|zone=1) raw: 4000000000000200 0000000000000000 dead000000000122 ffff8881081ab800 raw: 0000000000000000 00000000000c000c 00000001ffffffff 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 0x12cc0(GFP_KERNEL|__GFP_NOWARN|__GFP_NORETRY), pid 90, ts 24879883312, free_ts 15704719283 set_page_owner include/linux/page_owner.h:33 [inline] post_alloc_hook+0x192/0x1b0 mm/page_alloc.c:2605 prep_new_page+0x1c/0x110 mm/page_alloc.c:2611 get_page_from_freelist+0x2cc5/0x2d50 mm/page_alloc.c:4485 __alloc_pages+0x18f/0x440 mm/page_alloc.c:5789 alloc_slab_page mm/slub.c:-1 [inline] allocate_slab mm/slub.c:1932 [inline] new_slab+0xa1/0x4d0 mm/slub.c:1995 ___slab_alloc+0x381/0x810 mm/slub.c:3028 __slab_alloc+0x49/0x90 mm/slub.c:3115 slab_alloc_node mm/slub.c:3206 [inline] slab_alloc mm/slub.c:3250 [inline] kmem_cache_alloc+0x138/0x260 mm/slub.c:3255 kmem_cache_alloc_node include/linux/slab.h:489 [inline] __alloc_skb+0xe0/0x740 net/core/skbuff.c:416 alloc_skb include/linux/skbuff.h:1183 [inline] alloc_skb_with_frags+0xa8/0x620 net/core/skbuff.c:6194 sock_alloc_send_pskb+0x853/0x980 net/core/sock.c:2537 unix_dgram_sendmsg+0x5ea/0x1880 net/unix/af_unix.c:1805 sock_sendmsg_nosec net/socket.c:704 [inline] __sock_sendmsg net/socket.c:716 [inline] __sys_sendto+0x423/0x580 net/socket.c:2063 __do_sys_sendto net/socket.c:2075 [inline] __se_sys_sendto net/socket.c:2071 [inline] __x64_sys_sendto+0xe5/0x100 net/socket.c:2071 x64_sys_call+0x178/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:45 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80 page last free stack trace: reset_page_owner include/linux/page_owner.h:26 [inline] free_pages_prepare mm/page_alloc.c:1472 [inline] free_pcp_prepare mm/page_alloc.c:1544 [inline] free_unref_page_prepare+0x542/0x550 mm/page_alloc.c:3534 free_unref_page+0xa2/0x550 mm/page_alloc.c:3616 __put_single_page mm/swap.c:98 [inline] __put_page+0xad/0xe0 mm/swap.c:129 put_page include/linux/mm.h:1295 [inline] anon_pipe_buf_release+0x183/0x200 fs/pipe.c:137 pipe_buf_release include/linux/pipe_fs_i.h:219 [inline] pipe_read+0x53d/0xfe0 fs/pipe.c:323 call_read_iter include/linux/fs.h:2198 [inline] new_sync_read fs/read_write.c:404 [inline] vfs_read+0x68b/0xbe0 fs/read_write.c:485 ksys_read+0x140/0x240 fs/read_write.c:623 __do_sys_read fs/read_write.c:633 [inline] __se_sys_read fs/read_write.c:631 [inline] __x64_sys_read+0x7b/0x90 fs/read_write.c:631 x64_sys_call+0x96d/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:1 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 Memory state around the buggy address: ffff88812039cc80: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ffff88812039cd00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fc >ffff88812039cd80: fc fc fc fc fc fc fc fc fa fb fb fb fb fb fb fb ^ ffff88812039ce00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ffff88812039ce80: fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc fc ================================================================== ================================================================== BUG: KASAN: double-free or invalid-free in slab_free mm/slub.c:3521 [inline] BUG: KASAN: double-free or invalid-free in kmem_cache_free+0x100/0x320 mm/slub.c:3539 CPU: 0 PID: 20 Comm: kworker/0:1 Tainted: G B 5.15.185-syzkaller-00339-ge678c93d43cc #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 Workqueue: events bpf_map_free_deferred Call Trace: __dump_stack+0x21/0x30 lib/dump_stack.c:88 dump_stack_lvl+0xee/0x150 lib/dump_stack.c:106 print_address_description+0x7f/0x2c0 mm/kasan/report.c:248 kasan_report_invalid_free+0x58/0x90 mm/kasan/report.c:370 ____kasan_slab_free+0x13d/0x160 mm/kasan/common.c:-1 __kasan_slab_free+0x11/0x20 mm/kasan/common.c:373 kasan_slab_free include/linux/kasan.h:193 [inline] slab_free_hook mm/slub.c:1723 [inline] slab_free_freelist_hook+0xc2/0x190 mm/slub.c:1749 slab_free mm/slub.c:3521 [inline] kmem_cache_free+0x100/0x320 mm/slub.c:3539 kfree_skbmem+0x10c/0x180 net/core/skbuff.c:-1 __kfree_skb net/core/skbuff.c:758 [inline] consume_skb+0xb3/0x1f0 net/core/skbuff.c:930 __sk_msg_free+0x4f4/0x560 net/core/skmsg.c:205 sk_msg_free net/core/skmsg.c:218 [inline] __sk_psock_purge_ingress_msg net/core/skmsg.c:773 [inline] __sk_psock_zap_ingress net/core/skmsg.c:791 [inline] sk_psock_stop+0x4c9/0x570 net/core/skmsg.c:809 sk_psock_drop+0x226/0x300 net/core/skmsg.c:848 sk_psock_put include/linux/skmsg.h:463 [inline] sock_map_unref+0x3c2/0x420 net/core/sock_map.c:184 sock_map_free+0x134/0x2a0 net/core/sock_map.c:354 bpf_map_free_deferred+0x10e/0x1e0 kernel/bpf/syscall.c:481 process_one_work+0x6be/0xba0 kernel/workqueue.c:2325 worker_thread+0xa59/0x1200 kernel/workqueue.c:2472 kthread+0x411/0x500 kernel/kthread.c:337 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287 Allocated by task 286: kasan_save_stack mm/kasan/common.c:38 [inline] kasan_set_track mm/kasan/common.c:45 [inline] set_alloc_info mm/kasan/common.c:433 [inline] __kasan_slab_alloc+0xbd/0xf0 mm/kasan/common.c:466 kasan_slab_alloc include/linux/kasan.h:217 [inline] slab_post_alloc_hook+0x4f/0x2b0 mm/slab.h:550 slab_alloc_node mm/slub.c:3240 [inline] slab_alloc mm/slub.c:3250 [inline] kmem_cache_alloc+0xf7/0x260 mm/slub.c:3255 skb_clone+0x1cf/0x360 net/core/skbuff.c:1547 sk_psock_verdict_recv+0x53/0x800 net/core/skmsg.c:1187 unix_read_sock+0x10a/0x2c0 net/unix/af_unix.c:2428 sk_psock_verdict_data_ready+0x115/0x170 net/core/skmsg.c:1230 unix_dgram_sendmsg+0x11e6/0x1880 net/unix/af_unix.c:1942 sock_sendmsg_nosec net/socket.c:704 [inline] __sock_sendmsg net/socket.c:716 [inline] ____sys_sendmsg+0x5a2/0x8c0 net/socket.c:2436 ___sys_sendmsg+0x1f0/0x260 net/socket.c:2490 __sys_sendmsg net/socket.c:2519 [inline] __do_sys_sendmsg net/socket.c:2528 [inline] __se_sys_sendmsg net/socket.c:2526 [inline] __x64_sys_sendmsg+0x1e2/0x2a0 net/socket.c:2526 x64_sys_call+0x4b/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:47 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 Freed by task 20: kasan_save_stack mm/kasan/common.c:38 [inline] kasan_set_track+0x4a/0x70 mm/kasan/common.c:45 kasan_set_free_info+0x23/0x40 mm/kasan/generic.c:370 ____kasan_slab_free+0x125/0x160 mm/kasan/common.c:365 __kasan_slab_free+0x11/0x20 mm/kasan/common.c:373 kasan_slab_free include/linux/kasan.h:193 [inline] slab_free_hook mm/slub.c:1723 [inline] slab_free_freelist_hook+0xc2/0x190 mm/slub.c:1749 slab_free mm/slub.c:3521 [inline] kmem_cache_free+0x100/0x320 mm/slub.c:3539 kfree_skbmem+0x10c/0x180 net/core/skbuff.c:-1 __kfree_skb net/core/skbuff.c:758 [inline] kfree_skb_reason net/core/skbuff.c:778 [inline] kfree_skb+0xc1/0x2f0 net/core/skbuff.c:792 sock_drop include/linux/skmsg.h:312 [inline] sk_psock_backlog+0xa85/0xd80 net/core/skmsg.c:684 process_one_work+0x6be/0xba0 kernel/workqueue.c:2325 worker_thread+0xa59/0x1200 kernel/workqueue.c:2472 kthread+0x411/0x500 kernel/kthread.c:337 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287 The buggy address belongs to the object at ffff8881200fb280 which belongs to the cache skbuff_head_cache of size 248 The buggy address is located 0 bytes inside of 248-byte region [ffff8881200fb280, ffff8881200fb378) The buggy address belongs to the page: page:ffffea0004803ec0 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1200fb flags: 0x4000000000000200(slab|zone=1) raw: 4000000000000200 0000000000000000 dead000000000122 ffff8881081ab800 raw: 0000000000000000 00000000800c000c 00000001ffffffff 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 0x12cc0(GFP_KERNEL|__GFP_NOWARN|__GFP_NORETRY), pid 90, ts 26556812991, free_ts 26556429604 set_page_owner include/linux/page_owner.h:33 [inline] post_alloc_hook+0x192/0x1b0 mm/page_alloc.c:2605 prep_new_page+0x1c/0x110 mm/page_alloc.c:2611 get_page_from_freelist+0x2cc5/0x2d50 mm/page_alloc.c:4485 __alloc_pages+0x18f/0x440 mm/page_alloc.c:5789 alloc_slab_page mm/slub.c:-1 [inline] allocate_slab mm/slub.c:1932 [inline] new_slab+0xa1/0x4d0 mm/slub.c:1995 ___slab_alloc+0x381/0x810 mm/slub.c:3028 __slab_alloc+0x49/0x90 mm/slub.c:3115 slab_alloc_node mm/slub.c:3206 [inline] slab_alloc mm/slub.c:3250 [inline] kmem_cache_alloc+0x138/0x260 mm/slub.c:3255 kmem_cache_alloc_node include/linux/slab.h:489 [inline] __alloc_skb+0xe0/0x740 net/core/skbuff.c:416 alloc_skb include/linux/skbuff.h:1183 [inline] alloc_skb_with_frags+0xa8/0x620 net/core/skbuff.c:6194 sock_alloc_send_pskb+0x853/0x980 net/core/sock.c:2537 unix_dgram_sendmsg+0x5ea/0x1880 net/unix/af_unix.c:1805 sock_sendmsg_nosec net/socket.c:704 [inline] __sock_sendmsg net/socket.c:716 [inline] __sys_sendto+0x423/0x580 net/socket.c:2063 __do_sys_sendto net/socket.c:2075 [inline] __se_sys_sendto net/socket.c:2071 [inline] __x64_sys_sendto+0xe5/0x100 net/socket.c:2071 x64_sys_call+0x178/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:45 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80 page last free stack trace: reset_page_owner include/linux/page_owner.h:26 [inline] free_pages_prepare mm/page_alloc.c:1472 [inline] free_pcp_prepare mm/page_alloc.c:1544 [inline] free_unref_page_prepare+0x542/0x550 mm/page_alloc.c:3534 free_unref_page+0xa2/0x550 mm/page_alloc.c:3616 free_the_page mm/page_alloc.c:805 [inline] __free_pages+0x6c/0x100 mm/page_alloc.c:5865 free_pages+0x82/0x90 mm/page_alloc.c:5876 _pgd_free arch/x86/mm/pgtable.c:420 [inline] pgd_free+0x187/0x1a0 arch/x86/mm/pgtable.c:476 mm_free_pgd kernel/fork.c:699 [inline] __mmdrop+0xad/0x410 kernel/fork.c:750 mmdrop include/linux/sched/mm.h:49 [inline] finish_task_switch+0x2bb/0x780 kernel/sched/core.c:5052 context_switch kernel/sched/core.c:5158 [inline] __schedule+0xb76/0x14c0 kernel/sched/core.c:6515 schedule+0x11e/0x1e0 kernel/sched/core.c:6598 syslog_print+0x1f9/0x820 kernel/printk/printk.c:1538 do_syslog+0x6ae/0x780 kernel/printk/printk.c:1691 __do_sys_syslog kernel/printk/printk.c:1783 [inline] __se_sys_syslog kernel/printk/printk.c:1781 [inline] __x64_sys_syslog+0x7c/0x90 kernel/printk/printk.c:1781 x64_sys_call+0x728/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:104 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 Memory state around the buggy address: ffff8881200fb180: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ffff8881200fb200: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc >ffff8881200fb280: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ^ ffff8881200fb300: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fc ffff8881200fb380: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ================================================================== ================================================================== BUG: KASAN: double-free or invalid-free in slab_free mm/slub.c:3521 [inline] BUG: KASAN: double-free or invalid-free in kmem_cache_free+0x100/0x320 mm/slub.c:3539 CPU: 0 PID: 20 Comm: kworker/0:1 Tainted: G B 5.15.185-syzkaller-00339-ge678c93d43cc #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 Workqueue: events bpf_map_free_deferred Call Trace: __dump_stack+0x21/0x30 lib/dump_stack.c:88 dump_stack_lvl+0xee/0x150 lib/dump_stack.c:106 print_address_description+0x7f/0x2c0 mm/kasan/report.c:248 kasan_report_invalid_free+0x58/0x90 mm/kasan/report.c:370 ____kasan_slab_free+0x13d/0x160 mm/kasan/common.c:-1 __kasan_slab_free+0x11/0x20 mm/kasan/common.c:373 kasan_slab_free include/linux/kasan.h:193 [inline] slab_free_hook mm/slub.c:1723 [inline] slab_free_freelist_hook+0xc2/0x190 mm/slub.c:1749 slab_free mm/slub.c:3521 [inline] kmem_cache_free+0x100/0x320 mm/slub.c:3539 kfree_skbmem+0x10c/0x180 net/core/skbuff.c:-1 __kfree_skb net/core/skbuff.c:758 [inline] consume_skb+0xb3/0x1f0 net/core/skbuff.c:930 __sk_msg_free+0x4f4/0x560 net/core/skmsg.c:205 sk_msg_free net/core/skmsg.c:218 [inline] __sk_psock_purge_ingress_msg net/core/skmsg.c:773 [inline] __sk_psock_zap_ingress net/core/skmsg.c:791 [inline] sk_psock_stop+0x4c9/0x570 net/core/skmsg.c:809 sk_psock_drop+0x226/0x300 net/core/skmsg.c:848 sk_psock_put include/linux/skmsg.h:463 [inline] sock_map_unref+0x3c2/0x420 net/core/sock_map.c:184 sock_map_free+0x134/0x2a0 net/core/sock_map.c:354 bpf_map_free_deferred+0x10e/0x1e0 kernel/bpf/syscall.c:481 process_one_work+0x6be/0xba0 kernel/workqueue.c:2325 worker_thread+0xa59/0x1200 kernel/workqueue.c:2472 kthread+0x411/0x500 kernel/kthread.c:337 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287 Allocated by task 287: kasan_save_stack mm/kasan/common.c:38 [inline] kasan_set_track mm/kasan/common.c:45 [inline] set_alloc_info mm/kasan/common.c:433 [inline] __kasan_slab_alloc+0xbd/0xf0 mm/kasan/common.c:466 kasan_slab_alloc include/linux/kasan.h:217 [inline] slab_post_alloc_hook+0x4f/0x2b0 mm/slab.h:550 slab_alloc_node mm/slub.c:3240 [inline] slab_alloc mm/slub.c:3250 [inline] kmem_cache_alloc+0xf7/0x260 mm/slub.c:3255 skb_clone+0x1cf/0x360 net/core/skbuff.c:1547 sk_psock_verdict_recv+0x53/0x800 net/core/skmsg.c:1187 unix_read_sock+0x10a/0x2c0 net/unix/af_unix.c:2428 sk_psock_verdict_data_ready+0x115/0x170 net/core/skmsg.c:1230 unix_dgram_sendmsg+0x11e6/0x1880 net/unix/af_unix.c:1942 sock_sendmsg_nosec net/socket.c:704 [inline] __sock_sendmsg net/socket.c:716 [inline] ____sys_sendmsg+0x5a2/0x8c0 net/socket.c:2436 ___sys_sendmsg+0x1f0/0x260 net/socket.c:2490 __sys_sendmsg net/socket.c:2519 [inline] __do_sys_sendmsg net/socket.c:2528 [inline] __se_sys_sendmsg net/socket.c:2526 [inline] __x64_sys_sendmsg+0x1e2/0x2a0 net/socket.c:2526 x64_sys_call+0x4b/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:47 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 Freed by task 20: kasan_save_stack mm/kasan/common.c:38 [inline] kasan_set_track+0x4a/0x70 mm/kasan/common.c:45 kasan_set_free_info+0x23/0x40 mm/kasan/generic.c:370 ____kasan_slab_free+0x125/0x160 mm/kasan/common.c:365 __kasan_slab_free+0x11/0x20 mm/kasan/common.c:373 kasan_slab_free include/linux/kasan.h:193 [inline] slab_free_hook mm/slub.c:1723 [inline] slab_free_freelist_hook+0xc2/0x190 mm/slub.c:1749 slab_free mm/slub.c:3521 [inline] kmem_cache_free+0x100/0x320 mm/slub.c:3539 kfree_skbmem+0x10c/0x180 net/core/skbuff.c:-1 __kfree_skb net/core/skbuff.c:758 [inline] kfree_skb_reason net/core/skbuff.c:778 [inline] kfree_skb+0xc1/0x2f0 net/core/skbuff.c:792 sock_drop include/linux/skmsg.h:312 [inline] sk_psock_backlog+0xa85/0xd80 net/core/skmsg.c:684 process_one_work+0x6be/0xba0 kernel/workqueue.c:2325 worker_thread+0xa59/0x1200 kernel/workqueue.c:2472 kthread+0x411/0x500 kernel/kthread.c:337 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287 The buggy address belongs to the object at ffff8881200fb640 which belongs to the cache skbuff_head_cache of size 248 The buggy address is located 0 bytes inside of 248-byte region [ffff8881200fb640, ffff8881200fb738) The buggy address belongs to the page: page:ffffea0004803ec0 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1200fb flags: 0x4000000000000200(slab|zone=1) raw: 4000000000000200 0000000000000000 dead000000000122 ffff8881081ab800 raw: 0000000000000000 00000000800c000c 00000001ffffffff 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 0x12cc0(GFP_KERNEL|__GFP_NOWARN|__GFP_NORETRY), pid 90, ts 26556812991, free_ts 26556429604 set_page_owner include/linux/page_owner.h:33 [inline] post_alloc_hook+0x192/0x1b0 mm/page_alloc.c:2605 prep_new_page+0x1c/0x110 mm/page_alloc.c:2611 get_page_from_freelist+0x2cc5/0x2d50 mm/page_alloc.c:4485 __alloc_pages+0x18f/0x440 mm/page_alloc.c:5789 alloc_slab_page mm/slub.c:-1 [inline] allocate_slab mm/slub.c:1932 [inline] new_slab+0xa1/0x4d0 mm/slub.c:1995 ___slab_alloc+0x381/0x810 mm/slub.c:3028 __slab_alloc+0x49/0x90 mm/slub.c:3115 slab_alloc_node mm/slub.c:3206 [inline] slab_alloc mm/slub.c:3250 [inline] kmem_cache_alloc+0x138/0x260 mm/slub.c:3255 kmem_cache_alloc_node include/linux/slab.h:489 [inline] __alloc_skb+0xe0/0x740 net/core/skbuff.c:416 alloc_skb include/linux/skbuff.h:1183 [inline] alloc_skb_with_frags+0xa8/0x620 net/core/skbuff.c:6194 sock_alloc_send_pskb+0x853/0x980 net/core/sock.c:2537 unix_dgram_sendmsg+0x5ea/0x1880 net/unix/af_unix.c:1805 sock_sendmsg_nosec net/socket.c:704 [inline] __sock_sendmsg net/socket.c:716 [inline] __sys_sendto+0x423/0x580 net/socket.c:2063 __do_sys_sendto net/socket.c:2075 [inline] __se_sys_sendto net/socket.c:2071 [inline] __x64_sys_sendto+0xe5/0x100 net/socket.c:2071 x64_sys_call+0x178/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:45 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80 page last free stack trace: reset_page_owner include/linux/page_owner.h:26 [inline] free_pages_prepare mm/page_alloc.c:1472 [inline] free_pcp_prepare mm/page_alloc.c:1544 [inline] free_unref_page_prepare+0x542/0x550 mm/page_alloc.c:3534 free_unref_page+0xa2/0x550 mm/page_alloc.c:3616 free_the_page mm/page_alloc.c:805 [inline] __free_pages+0x6c/0x100 mm/page_alloc.c:5865 free_pages+0x82/0x90 mm/page_alloc.c:5876 _pgd_free arch/x86/mm/pgtable.c:420 [inline] pgd_free+0x187/0x1a0 arch/x86/mm/pgtable.c:476 mm_free_pgd kernel/fork.c:699 [inline] __mmdrop+0xad/0x410 kernel/fork.c:750 mmdrop include/linux/sched/mm.h:49 [inline] finish_task_switch+0x2bb/0x780 kernel/sched/core.c:5052 context_switch kernel/sched/core.c:5158 [inline] __schedule+0xb76/0x14c0 kernel/sched/core.c:6515 schedule+0x11e/0x1e0 kernel/sched/core.c:6598 syslog_print+0x1f9/0x820 kernel/printk/printk.c:1538 do_syslog+0x6ae/0x780 kernel/printk/printk.c:1691 __do_sys_syslog kernel/printk/printk.c:1783 [inline] __se_sys_syslog kernel/printk/printk.c:1781 [inline] __x64_sys_syslog+0x7c/0x90 kernel/printk/printk.c:1781 x64_sys_call+0x728/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:104 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 Memory state around the buggy address: ffff8881200fb500: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ffff8881200fb580: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fc >ffff8881200fb600: fc fc fc fc fc fc fc fc fa fb fb fb fb fb fb fb ^ ffff8881200fb680: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ffff8881200fb700: fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc fc ================================================================== ================================================================== BUG: KASAN: double-free or invalid-free in slab_free mm/slub.c:3521 [inline] BUG: KASAN: double-free or invalid-free in kmem_cache_free+0x100/0x320 mm/slub.c:3539 CPU: 0 PID: 20 Comm: kworker/0:1 Tainted: G B 5.15.185-syzkaller-00339-ge678c93d43cc #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 Workqueue: events bpf_map_free_deferred Call Trace: __dump_stack+0x21/0x30 lib/dump_stack.c:88 dump_stack_lvl+0xee/0x150 lib/dump_stack.c:106 print_address_description+0x7f/0x2c0 mm/kasan/report.c:248 kasan_report_invalid_free+0x58/0x90 mm/kasan/report.c:370 ____kasan_slab_free+0x13d/0x160 mm/kasan/common.c:-1 __kasan_slab_free+0x11/0x20 mm/kasan/common.c:373 kasan_slab_free include/linux/kasan.h:193 [inline] slab_free_hook mm/slub.c:1723 [inline] slab_free_freelist_hook+0xc2/0x190 mm/slub.c:1749 slab_free mm/slub.c:3521 [inline] kmem_cache_free+0x100/0x320 mm/slub.c:3539 kfree_skbmem+0x10c/0x180 net/core/skbuff.c:-1 __kfree_skb net/core/skbuff.c:758 [inline] consume_skb+0xb3/0x1f0 net/core/skbuff.c:930 __sk_msg_free+0x4f4/0x560 net/core/skmsg.c:205 sk_msg_free net/core/skmsg.c:218 [inline] __sk_psock_purge_ingress_msg net/core/skmsg.c:773 [inline] __sk_psock_zap_ingress net/core/skmsg.c:791 [inline] sk_psock_stop+0x4c9/0x570 net/core/skmsg.c:809 sk_psock_drop+0x226/0x300 net/core/skmsg.c:848 sk_psock_put include/linux/skmsg.h:463 [inline] sock_map_unref+0x3c2/0x420 net/core/sock_map.c:184 sock_map_free+0x134/0x2a0 net/core/sock_map.c:354 bpf_map_free_deferred+0x10e/0x1e0 kernel/bpf/syscall.c:481 process_one_work+0x6be/0xba0 kernel/workqueue.c:2325 worker_thread+0xa59/0x1200 kernel/workqueue.c:2472 kthread+0x411/0x500 kernel/kthread.c:337 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287 Allocated by task 289: kasan_save_stack mm/kasan/common.c:38 [inline] kasan_set_track mm/kasan/common.c:45 [inline] set_alloc_info mm/kasan/common.c:433 [inline] __kasan_slab_alloc+0xbd/0xf0 mm/kasan/common.c:466 kasan_slab_alloc include/linux/kasan.h:217 [inline] slab_post_alloc_hook+0x4f/0x2b0 mm/slab.h:550 slab_alloc_node mm/slub.c:3240 [inline] slab_alloc mm/slub.c:3250 [inline] kmem_cache_alloc+0xf7/0x260 mm/slub.c:3255 skb_clone+0x1cf/0x360 net/core/skbuff.c:1547 sk_psock_verdict_recv+0x53/0x800 net/core/skmsg.c:1187 unix_read_sock+0x10a/0x2c0 net/unix/af_unix.c:2428 sk_psock_verdict_data_ready+0x115/0x170 net/core/skmsg.c:1230 unix_dgram_sendmsg+0x11e6/0x1880 net/unix/af_unix.c:1942 sock_sendmsg_nosec net/socket.c:704 [inline] __sock_sendmsg net/socket.c:716 [inline] ____sys_sendmsg+0x5a2/0x8c0 net/socket.c:2436 ___sys_sendmsg+0x1f0/0x260 net/socket.c:2490 __sys_sendmsg net/socket.c:2519 [inline] __do_sys_sendmsg net/socket.c:2528 [inline] __se_sys_sendmsg net/socket.c:2526 [inline] __x64_sys_sendmsg+0x1e2/0x2a0 net/socket.c:2526 x64_sys_call+0x4b/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:47 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 Freed by task 20: kasan_save_stack mm/kasan/common.c:38 [inline] kasan_set_track+0x4a/0x70 mm/kasan/common.c:45 kasan_set_free_info+0x23/0x40 mm/kasan/generic.c:370 ____kasan_slab_free+0x125/0x160 mm/kasan/common.c:365 __kasan_slab_free+0x11/0x20 mm/kasan/common.c:373 kasan_slab_free include/linux/kasan.h:193 [inline] slab_free_hook mm/slub.c:1723 [inline] slab_free_freelist_hook+0xc2/0x190 mm/slub.c:1749 slab_free mm/slub.c:3521 [inline] kmem_cache_free+0x100/0x320 mm/slub.c:3539 kfree_skbmem+0x10c/0x180 net/core/skbuff.c:-1 __kfree_skb net/core/skbuff.c:758 [inline] kfree_skb_reason net/core/skbuff.c:778 [inline] kfree_skb+0xc1/0x2f0 net/core/skbuff.c:792 sock_drop include/linux/skmsg.h:312 [inline] sk_psock_backlog+0xa85/0xd80 net/core/skmsg.c:684 process_one_work+0x6be/0xba0 kernel/workqueue.c:2325 worker_thread+0xa59/0x1200 kernel/workqueue.c:2472 kthread+0x411/0x500 kernel/kthread.c:337 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287 The buggy address belongs to the object at ffff8881001e9a00 which belongs to the cache skbuff_head_cache of size 248 The buggy address is located 0 bytes inside of 248-byte region [ffff8881001e9a00, ffff8881001e9af8) The buggy address belongs to the page: page:ffffea0004007a40 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1001e9 flags: 0x4000000000000200(slab|zone=1) raw: 4000000000000200 0000000000000000 dead000000000122 ffff8881081ab800 raw: 0000000000000000 00000000800c000c 00000001ffffffff 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 0x12cc0(GFP_KERNEL|__GFP_NOWARN|__GFP_NORETRY), pid 90, ts 29721765796, free_ts 25903264978 set_page_owner include/linux/page_owner.h:33 [inline] post_alloc_hook+0x192/0x1b0 mm/page_alloc.c:2605 prep_new_page+0x1c/0x110 mm/page_alloc.c:2611 get_page_from_freelist+0x2cc5/0x2d50 mm/page_alloc.c:4485 __alloc_pages+0x18f/0x440 mm/page_alloc.c:5789 alloc_slab_page mm/slub.c:-1 [inline] allocate_slab mm/slub.c:1932 [inline] new_slab+0xa1/0x4d0 mm/slub.c:1995 ___slab_alloc+0x381/0x810 mm/slub.c:3028 __slab_alloc+0x49/0x90 mm/slub.c:3115 slab_alloc_node mm/slub.c:3206 [inline] slab_alloc mm/slub.c:3250 [inline] kmem_cache_alloc+0x138/0x260 mm/slub.c:3255 kmem_cache_alloc_node include/linux/slab.h:489 [inline] __alloc_skb+0xe0/0x740 net/core/skbuff.c:416 alloc_skb include/linux/skbuff.h:1183 [inline] alloc_skb_with_frags+0xa8/0x620 net/core/skbuff.c:6194 sock_alloc_send_pskb+0x853/0x980 net/core/sock.c:2537 unix_dgram_sendmsg+0x5ea/0x1880 net/unix/af_unix.c:1805 sock_sendmsg_nosec net/socket.c:704 [inline] __sock_sendmsg net/socket.c:716 [inline] __sys_sendto+0x423/0x580 net/socket.c:2063 __do_sys_sendto net/socket.c:2075 [inline] __se_sys_sendto net/socket.c:2071 [inline] __x64_sys_sendto+0xe5/0x100 net/socket.c:2071 x64_sys_call+0x178/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:45 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80 page last free stack trace: reset_page_owner include/linux/page_owner.h:26 [inline] free_pages_prepare mm/page_alloc.c:1472 [inline] free_pcp_prepare mm/page_alloc.c:1544 [inline] free_unref_page_prepare+0x542/0x550 mm/page_alloc.c:3534 free_unref_page_list+0x134/0x9d0 mm/page_alloc.c:3671 release_pages+0x1076/0x10d0 mm/swap.c:1009 free_pages_and_swap_cache+0x86/0xa0 mm/swap_state.c:320 tlb_batch_pages_flush mm/mmu_gather.c:49 [inline] tlb_flush_mmu_free mm/mmu_gather.c:240 [inline] tlb_flush_mmu mm/mmu_gather.c:247 [inline] tlb_finish_mmu+0x175/0x300 mm/mmu_gather.c:338 exit_mmap+0x40f/0x860 mm/mmap.c:3236 __mmput+0x93/0x320 kernel/fork.c:1180 mmput+0x50/0x150 kernel/fork.c:1203 exit_mm kernel/exit.c:554 [inline] do_exit+0x9ca/0x27a0 kernel/exit.c:867 do_group_exit+0x141/0x310 kernel/exit.c:1002 __do_sys_exit_group kernel/exit.c:1013 [inline] __se_sys_exit_group kernel/exit.c:1011 [inline] __x64_sys_exit_group+0x3f/0x40 kernel/exit.c:1011 x64_sys_call+0x832/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:232 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 Memory state around the buggy address: ffff8881001e9900: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ffff8881001e9980: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc >ffff8881001e9a00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ^ ffff8881001e9a80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fc ffff8881001e9b00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ==================================================================