Extracting prog: 2m3.842441277s Minimizing prog: 23m15.058958099s Simplifying prog options: 0s Extracting C: 36.77500383s Simplifying C: 6m25.470866222s 1 programs, timeouts [30s 6m0s] extracting reproducer from 1 programs testing a last program of every proc single: executing 1 programs separately with timeout 30s testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$MAP_CREATE-bpf$PROG_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN-bpf$MAP_CREATE-bpf$MAP_UPDATE_BATCH detailed listing: executing program 0: r0 = bpf$MAP_CREATE(0x0, &(0x7f00000009c0)=@base={0xb, 0x7, 0x8, 0x8, 0x5}, 0x48) r1 = bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0x11, 0xd, &(0x7f0000000340)=ANY=[@ANYBLOB="1800000000000000000000000000000018110000", @ANYRES32=r0, @ANYBLOB="0000000000000000b7080000040000007b8af8ff00000000bfa200000000000007020000f8ffffffb703000008000000b7040000000000008500000003000000850000000e00000095"], &(0x7f0000000040)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x90) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f00000001c0)={&(0x7f0000000180)='kfree\x00', r1}, 0x10) r2 = bpf$MAP_CREATE(0x0, &(0x7f00000000c0)=@base={0xb, 0x8, 0xc, 0x3, 0x1, 0x1}, 0x48) bpf$MAP_UPDATE_BATCH(0x1a, &(0x7f0000000240)={0x0, 0x0, &(0x7f00000000c0), &(0x7f0000000140), 0x5, r2}, 0x38) program crashed: possible deadlock in trie_delete_elem single: successfully extracted reproducer found reproducer with 5 syscalls minimizing guilty program testing program (duration=1m1.027141363s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$MAP_CREATE-bpf$PROG_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN-bpf$MAP_CREATE detailed listing: executing program 0: r0 = bpf$MAP_CREATE(0x0, &(0x7f00000009c0)=@base={0xb, 0x7, 0x8, 0x8, 0x5}, 0x48) r1 = bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0x11, 0xd, &(0x7f0000000340)=ANY=[@ANYBLOB="1800000000000000000000000000000018110000", @ANYRES32=r0, @ANYBLOB="0000000000000000b7080000040000007b8af8ff00000000bfa200000000000007020000f8ffffffb703000008000000b7040000000000008500000003000000850000000e00000095"], &(0x7f0000000040)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x90) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f00000001c0)={&(0x7f0000000180)='kfree\x00', r1}, 0x10) bpf$MAP_CREATE(0x0, &(0x7f00000000c0)=@base={0xb, 0x8, 0xc, 0x3, 0x1, 0x1}, 0x48) program did not crash testing program (duration=1m1.027141363s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$MAP_CREATE-bpf$PROG_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN-bpf$MAP_UPDATE_BATCH detailed listing: executing program 0: r0 = bpf$MAP_CREATE(0x0, &(0x7f00000009c0)=@base={0xb, 0x7, 0x8, 0x8, 0x5}, 0x48) r1 = bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0x11, 0xd, &(0x7f0000000340)=ANY=[@ANYBLOB="1800000000000000000000000000000018110000", @ANYRES32=r0, @ANYBLOB="0000000000000000b7080000040000007b8af8ff00000000bfa200000000000007020000f8ffffffb703000008000000b7040000000000008500000003000000850000000e00000095"], &(0x7f0000000040)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x90) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f00000001c0)={&(0x7f0000000180)='kfree\x00', r1}, 0x10) bpf$MAP_UPDATE_BATCH(0x1a, &(0x7f0000000240)={0x0, 0x0, &(0x7f00000000c0), &(0x7f0000000140), 0x5}, 0x38) program did not crash testing program (duration=1m1.027141363s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$MAP_CREATE-bpf$PROG_LOAD-bpf$MAP_CREATE-bpf$MAP_UPDATE_BATCH detailed listing: executing program 0: r0 = bpf$MAP_CREATE(0x0, &(0x7f00000009c0)=@base={0xb, 0x7, 0x8, 0x8, 0x5}, 0x48) bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0x11, 0xd, &(0x7f0000000340)=ANY=[@ANYBLOB="1800000000000000000000000000000018110000", @ANYRES32=r0, @ANYBLOB="0000000000000000b7080000040000007b8af8ff00000000bfa200000000000007020000f8ffffffb703000008000000b7040000000000008500000003000000850000000e00000095"], &(0x7f0000000040)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x90) r1 = bpf$MAP_CREATE(0x0, &(0x7f00000000c0)=@base={0xb, 0x8, 0xc, 0x3, 0x1, 0x1}, 0x48) bpf$MAP_UPDATE_BATCH(0x1a, &(0x7f0000000240)={0x0, 0x0, &(0x7f00000000c0), &(0x7f0000000140), 0x5, r1}, 0x38) program did not crash testing program (duration=1m1.027141363s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$MAP_CREATE-bpf$BPF_RAW_TRACEPOINT_OPEN-bpf$MAP_CREATE-bpf$MAP_UPDATE_BATCH detailed listing: executing program 0: bpf$MAP_CREATE(0x0, &(0x7f00000009c0)=@base={0xb, 0x7, 0x8, 0x8, 0x5}, 0x48) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f00000001c0)={&(0x7f0000000180)='kfree\x00'}, 0x10) r0 = bpf$MAP_CREATE(0x0, &(0x7f00000000c0)=@base={0xb, 0x8, 0xc, 0x3, 0x1, 0x1}, 0x48) bpf$MAP_UPDATE_BATCH(0x1a, &(0x7f0000000240)={0x0, 0x0, &(0x7f00000000c0), &(0x7f0000000140), 0x5, r0}, 0x38) program did not crash testing program (duration=1m1.027141363s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$PROG_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN-bpf$MAP_CREATE-bpf$MAP_UPDATE_BATCH detailed listing: executing program 0: r0 = bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0x11, 0xd, &(0x7f0000000340)=ANY=[@ANYBLOB="1800000000000000000000000000000018110000", @ANYRES32, @ANYBLOB="0000000000000000b7080000040000007b8af8ff00000000bfa200000000000007020000f8ffffffb703000008000000b7040000000000008500000003000000850000000e00000095"], &(0x7f0000000040)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x90) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f00000001c0)={&(0x7f0000000180)='kfree\x00', r0}, 0x10) r1 = bpf$MAP_CREATE(0x0, &(0x7f00000000c0)=@base={0xb, 0x8, 0xc, 0x3, 0x1, 0x1}, 0x48) bpf$MAP_UPDATE_BATCH(0x1a, &(0x7f0000000240)={0x0, 0x0, &(0x7f00000000c0), &(0x7f0000000140), 0x5, r1}, 0x38) program did not crash testing program (duration=1m1.027141363s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$MAP_CREATE-bpf$PROG_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN-bpf$MAP_CREATE-bpf$MAP_UPDATE_BATCH detailed listing: executing program 0: r0 = bpf$MAP_CREATE(0x0, 0x0, 0x0) r1 = bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0x11, 0xd, &(0x7f0000000340)=ANY=[@ANYBLOB="1800000000000000000000000000000018110000", @ANYRES32=r0, @ANYBLOB="0000000000000000b7080000040000007b8af8ff00000000bfa200000000000007020000f8ffffffb703000008000000b7040000000000008500000003000000850000000e00000095"], &(0x7f0000000040)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x90) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f00000001c0)={&(0x7f0000000180)='kfree\x00', r1}, 0x10) r2 = bpf$MAP_CREATE(0x0, &(0x7f00000000c0)=@base={0xb, 0x8, 0xc, 0x3, 0x1, 0x1}, 0x48) bpf$MAP_UPDATE_BATCH(0x1a, &(0x7f0000000240)={0x0, 0x0, &(0x7f00000000c0), &(0x7f0000000140), 0x5, r2}, 0x38) program did not crash testing program (duration=1m1.027141363s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$MAP_CREATE-bpf$PROG_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN-bpf$MAP_CREATE-bpf$MAP_UPDATE_BATCH detailed listing: executing program 0: bpf$MAP_CREATE(0x0, &(0x7f00000009c0)=@base={0xb, 0x7, 0x8, 0x8, 0x5}, 0x48) r0 = bpf$PROG_LOAD(0x5, 0x0, 0x0) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f00000001c0)={&(0x7f0000000180)='kfree\x00', r0}, 0x10) r1 = bpf$MAP_CREATE(0x0, &(0x7f00000000c0)=@base={0xb, 0x8, 0xc, 0x3, 0x1, 0x1}, 0x48) bpf$MAP_UPDATE_BATCH(0x1a, &(0x7f0000000240)={0x0, 0x0, &(0x7f00000000c0), &(0x7f0000000140), 0x5, r1}, 0x38) program did not crash testing program (duration=1m1.027141363s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$MAP_CREATE-bpf$PROG_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN-bpf$MAP_CREATE-bpf$MAP_UPDATE_BATCH detailed listing: executing program 0: bpf$MAP_CREATE(0x0, &(0x7f00000009c0)=@base={0xb, 0x7, 0x8, 0x8, 0x5}, 0x48) r0 = bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0x11, 0xd, 0x0, &(0x7f0000000040)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x90) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f00000001c0)={&(0x7f0000000180)='kfree\x00', r0}, 0x10) r1 = bpf$MAP_CREATE(0x0, &(0x7f00000000c0)=@base={0xb, 0x8, 0xc, 0x3, 0x1, 0x1}, 0x48) bpf$MAP_UPDATE_BATCH(0x1a, &(0x7f0000000240)={0x0, 0x0, &(0x7f00000000c0), &(0x7f0000000140), 0x5, r1}, 0x38) program did not crash testing program (duration=1m1.027141363s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$MAP_CREATE-bpf$PROG_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN-bpf$MAP_CREATE-bpf$MAP_UPDATE_BATCH detailed listing: executing program 0: bpf$MAP_CREATE(0x0, &(0x7f00000009c0)=@base={0xb, 0x7, 0x8, 0x8, 0x5}, 0x48) r0 = bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0x11, 0xd, &(0x7f0000000340)=ANY=[], &(0x7f0000000040)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x90) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f00000001c0)={&(0x7f0000000180)='kfree\x00', r0}, 0x10) r1 = bpf$MAP_CREATE(0x0, &(0x7f00000000c0)=@base={0xb, 0x8, 0xc, 0x3, 0x1, 0x1}, 0x48) bpf$MAP_UPDATE_BATCH(0x1a, &(0x7f0000000240)={0x0, 0x0, &(0x7f00000000c0), &(0x7f0000000140), 0x5, r1}, 0x38) program did not crash testing program (duration=1m1.027141363s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$MAP_CREATE-bpf$PROG_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN-bpf$MAP_CREATE-bpf$MAP_UPDATE_BATCH detailed listing: executing program 0: r0 = bpf$MAP_CREATE(0x0, &(0x7f00000009c0)=@base={0xb, 0x7, 0x8, 0x8, 0x5}, 0x48) r1 = bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0x11, 0xd, &(0x7f0000000340)=ANY=[@ANYBLOB="1800000000000000000000000000000018110000", @ANYRES32=r0, @ANYBLOB], &(0x7f0000000040)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x90) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f00000001c0)={&(0x7f0000000180)='kfree\x00', r1}, 0x10) r2 = bpf$MAP_CREATE(0x0, &(0x7f00000000c0)=@base={0xb, 0x8, 0xc, 0x3, 0x1, 0x1}, 0x48) bpf$MAP_UPDATE_BATCH(0x1a, &(0x7f0000000240)={0x0, 0x0, &(0x7f00000000c0), &(0x7f0000000140), 0x5, r2}, 0x38) program did not crash testing program (duration=1m1.027141363s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$MAP_CREATE-bpf$PROG_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN-bpf$MAP_CREATE-bpf$MAP_UPDATE_BATCH detailed listing: executing program 0: r0 = bpf$MAP_CREATE(0x0, &(0x7f00000009c0)=@base={0xb, 0x7, 0x8, 0x8, 0x5}, 0x48) r1 = bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0x11, 0xd, &(0x7f0000000340)=ANY=[@ANYBLOB, @ANYRES32=r0, @ANYBLOB="0000000000000000b7080000040000007b8af8ff00000000bfa200000000000007020000f8ffffffb703000008000000b7040000000000008500000003000000850000000e00000095"], &(0x7f0000000040)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x90) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f00000001c0)={&(0x7f0000000180)='kfree\x00', r1}, 0x10) r2 = bpf$MAP_CREATE(0x0, &(0x7f00000000c0)=@base={0xb, 0x8, 0xc, 0x3, 0x1, 0x1}, 0x48) bpf$MAP_UPDATE_BATCH(0x1a, &(0x7f0000000240)={0x0, 0x0, &(0x7f00000000c0), &(0x7f0000000140), 0x5, r2}, 0x38) program did not crash testing program (duration=1m1.027141363s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$MAP_CREATE-bpf$PROG_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN-bpf$MAP_CREATE-bpf$MAP_UPDATE_BATCH detailed listing: executing program 0: r0 = bpf$MAP_CREATE(0x0, &(0x7f00000009c0)=@base={0xb, 0x7, 0x8, 0x8, 0x5}, 0x48) r1 = bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0x11, 0xd, &(0x7f0000000340)=ANY=[@ANYBLOB="1800000000000000000000000000000018110000", @ANYRES32=r0, @ANYBLOB="0000000000000000b7080000040000007b8af8ff00000000bfa200000000000007020000f8ffffffb703000008000000b7040000000000008500000003000000850000000e00000095"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x90) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f00000001c0)={&(0x7f0000000180)='kfree\x00', r1}, 0x10) r2 = bpf$MAP_CREATE(0x0, &(0x7f00000000c0)=@base={0xb, 0x8, 0xc, 0x3, 0x1, 0x1}, 0x48) bpf$MAP_UPDATE_BATCH(0x1a, &(0x7f0000000240)={0x0, 0x0, &(0x7f00000000c0), &(0x7f0000000140), 0x5, r2}, 0x38) program did not crash testing program (duration=1m1.027141363s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$MAP_CREATE-bpf$PROG_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN-bpf$MAP_CREATE-bpf$MAP_UPDATE_BATCH detailed listing: executing program 0: r0 = bpf$MAP_CREATE(0x0, &(0x7f00000009c0)=@base={0xb, 0x7, 0x8, 0x8, 0x5}, 0x48) bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0x11, 0xd, &(0x7f0000000340)=ANY=[@ANYBLOB="1800000000000000000000000000000018110000", @ANYRES32=r0, @ANYBLOB="0000000000000000b7080000040000007b8af8ff00000000bfa200000000000007020000f8ffffffb703000008000000b7040000000000008500000003000000850000000e00000095"], &(0x7f0000000040)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x90) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, 0x0, 0x0) r1 = bpf$MAP_CREATE(0x0, &(0x7f00000000c0)=@base={0xb, 0x8, 0xc, 0x3, 0x1, 0x1}, 0x48) bpf$MAP_UPDATE_BATCH(0x1a, &(0x7f0000000240)={0x0, 0x0, &(0x7f00000000c0), &(0x7f0000000140), 0x5, r1}, 0x38) program did not crash testing program (duration=1m1.027141363s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$MAP_CREATE-bpf$PROG_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN-bpf$MAP_CREATE-bpf$MAP_UPDATE_BATCH detailed listing: executing program 0: r0 = bpf$MAP_CREATE(0x0, &(0x7f00000009c0)=@base={0xb, 0x7, 0x8, 0x8, 0x5}, 0x48) r1 = bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0x11, 0xd, &(0x7f0000000340)=ANY=[@ANYBLOB="1800000000000000000000000000000018110000", @ANYRES32=r0, @ANYBLOB="0000000000000000b7080000040000007b8af8ff00000000bfa200000000000007020000f8ffffffb703000008000000b7040000000000008500000003000000850000000e00000095"], &(0x7f0000000040)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x90) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f00000001c0)={0x0, r1}, 0x10) r2 = bpf$MAP_CREATE(0x0, &(0x7f00000000c0)=@base={0xb, 0x8, 0xc, 0x3, 0x1, 0x1}, 0x48) bpf$MAP_UPDATE_BATCH(0x1a, &(0x7f0000000240)={0x0, 0x0, &(0x7f00000000c0), &(0x7f0000000140), 0x5, r2}, 0x38) program did not crash testing program (duration=1m1.027141363s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$MAP_CREATE-bpf$PROG_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN-bpf$MAP_CREATE-bpf$MAP_UPDATE_BATCH detailed listing: executing program 0: r0 = bpf$MAP_CREATE(0x0, &(0x7f00000009c0)=@base={0xb, 0x7, 0x8, 0x8, 0x5}, 0x48) r1 = bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0x11, 0xd, &(0x7f0000000340)=ANY=[@ANYBLOB="1800000000000000000000000000000018110000", @ANYRES32=r0, @ANYBLOB="0000000000000000b7080000040000007b8af8ff00000000bfa200000000000007020000f8ffffffb703000008000000b7040000000000008500000003000000850000000e00000095"], &(0x7f0000000040)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x90) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f00000001c0)={&(0x7f0000000180)='kfree\x00', r1}, 0x10) r2 = bpf$MAP_CREATE(0x0, 0x0, 0x0) bpf$MAP_UPDATE_BATCH(0x1a, &(0x7f0000000240)={0x0, 0x0, &(0x7f00000000c0), &(0x7f0000000140), 0x5, r2}, 0x38) program did not crash testing program (duration=1m1.027141363s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$MAP_CREATE-bpf$PROG_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN-bpf$MAP_CREATE-bpf$MAP_UPDATE_BATCH detailed listing: executing program 0: r0 = bpf$MAP_CREATE(0x0, &(0x7f00000009c0)=@base={0xb, 0x7, 0x8, 0x8, 0x5}, 0x48) r1 = bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0x11, 0xd, &(0x7f0000000340)=ANY=[@ANYBLOB="1800000000000000000000000000000018110000", @ANYRES32=r0, @ANYBLOB="0000000000000000b7080000040000007b8af8ff00000000bfa200000000000007020000f8ffffffb703000008000000b7040000000000008500000003000000850000000e00000095"], &(0x7f0000000040)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x90) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f00000001c0)={&(0x7f0000000180)='kfree\x00', r1}, 0x10) bpf$MAP_CREATE(0x0, &(0x7f00000000c0)=@base={0xb, 0x8, 0xc, 0x3, 0x1, 0x1}, 0x48) bpf$MAP_UPDATE_BATCH(0x1a, 0x0, 0x0) program did not crash testing program (duration=1m1.027141363s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$MAP_CREATE-bpf$PROG_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN-bpf$MAP_CREATE-bpf$MAP_UPDATE_BATCH detailed listing: executing program 0: r0 = bpf$MAP_CREATE(0x0, &(0x7f00000009c0)=@base={0xb, 0x7, 0x8, 0x8, 0x5}, 0x48) r1 = bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0x11, 0xd, &(0x7f0000000340)=ANY=[@ANYBLOB="1800000000000000000000000000000018110000", @ANYRES32=r0, @ANYBLOB="0000000000000000b7080000040000007b8af8ff00000000bfa200000000000007020000f8ffffffb703000008000000b7040000000000008500000003000000850000000e00000095"], &(0x7f0000000040)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x90) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f00000001c0)={&(0x7f0000000180)='kfree\x00', r1}, 0x10) r2 = bpf$MAP_CREATE(0x0, &(0x7f00000000c0)=@base={0xb, 0x8, 0xc, 0x3, 0x1, 0x1}, 0x48) bpf$MAP_UPDATE_BATCH(0x1a, &(0x7f0000000240)={0x0, 0x0, 0x0, &(0x7f0000000140), 0x5, r2}, 0x38) program did not crash testing program (duration=1m1.027141363s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$MAP_CREATE-bpf$PROG_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN-bpf$MAP_CREATE-bpf$MAP_UPDATE_BATCH detailed listing: executing program 0: r0 = bpf$MAP_CREATE(0x0, &(0x7f00000009c0)=@base={0xb, 0x7, 0x8, 0x8, 0x5}, 0x48) r1 = bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0x11, 0xd, &(0x7f0000000340)=ANY=[@ANYBLOB="1800000000000000000000000000000018110000", @ANYRES32=r0, @ANYBLOB="0000000000000000b7080000040000007b8af8ff00000000bfa200000000000007020000f8ffffffb703000008000000b7040000000000008500000003000000850000000e00000095"], &(0x7f0000000040)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x90) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f00000001c0)={&(0x7f0000000180)='kfree\x00', r1}, 0x10) r2 = bpf$MAP_CREATE(0x0, &(0x7f00000000c0)=@base={0xb, 0x8, 0xc, 0x3, 0x1, 0x1}, 0x48) bpf$MAP_UPDATE_BATCH(0x1a, &(0x7f0000000240)={0x0, 0x0, &(0x7f00000000c0), 0x0, 0x5, r2}, 0x38) program did not crash extracting C reproducer testing compiled C program (duration=1m1.027141363s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$MAP_CREATE-bpf$PROG_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN-bpf$MAP_CREATE-bpf$MAP_UPDATE_BATCH program crashed: possible deadlock in trie_delete_elem simplifying C reproducer testing compiled C program (duration=1m1.027141363s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$MAP_CREATE-bpf$PROG_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN-bpf$MAP_CREATE-bpf$MAP_UPDATE_BATCH program crashed: possible deadlock in trie_delete_elem testing compiled C program (duration=1m1.027141363s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$MAP_CREATE-bpf$PROG_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN-bpf$MAP_CREATE-bpf$MAP_UPDATE_BATCH program crashed: possible deadlock in trie_delete_elem testing compiled C program (duration=1m1.027141363s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$MAP_CREATE-bpf$PROG_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN-bpf$MAP_CREATE-bpf$MAP_UPDATE_BATCH program crashed: possible deadlock in trie_delete_elem testing compiled C program (duration=1m1.027141363s, {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$MAP_CREATE-bpf$PROG_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN-bpf$MAP_CREATE-bpf$MAP_UPDATE_BATCH program crashed: possible deadlock in trie_delete_elem testing compiled C program (duration=1m1.027141363s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$MAP_CREATE-bpf$PROG_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN-bpf$MAP_CREATE-bpf$MAP_UPDATE_BATCH program crashed: possible deadlock in trie_delete_elem testing compiled C program (duration=1m1.027141363s, {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$MAP_CREATE-bpf$PROG_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN-bpf$MAP_CREATE-bpf$MAP_UPDATE_BATCH program crashed: possible deadlock in trie_delete_elem testing compiled C program (duration=1m1.027141363s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$MAP_CREATE-bpf$PROG_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN-bpf$MAP_CREATE-bpf$MAP_UPDATE_BATCH program crashed: possible deadlock in trie_delete_elem reproducing took 32m21.147285938s repro crashed as (corrupted=false): ============================================ WARNING: possible recursive locking detected 5.15.165-syzkaller #0 Not tainted -------------------------------------------- syz-executor325/3566 is trying to acquire lock: ffff88807d2619b8 (&trie->lock){....}-{2:2}, at: trie_delete_elem+0x90/0x690 kernel/bpf/lpm_trie.c:450 but task is already holding lock: ffff88807d261db8 (&trie->lock){....}-{2:2}, at: trie_update_elem+0xc5/0xc00 kernel/bpf/lpm_trie.c:323 other info that might help us debug this: Possible unsafe locking scenario: CPU0 ---- lock(&trie->lock); lock(&trie->lock); *** DEADLOCK *** May be due to missing lock nesting notation 3 locks held by syz-executor325/3566: #0: ffffffff8c91fbe0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x5/0x30 include/linux/rcupdate.h:311 #1: ffff88807d261db8 (&trie->lock){....}-{2:2}, at: trie_update_elem+0xc5/0xc00 kernel/bpf/lpm_trie.c:323 #2: ffffffff8c91fbe0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x5/0x30 include/linux/rcupdate.h:311 stack backtrace: CPU: 0 PID: 3566 Comm: syz-executor325 Not tainted 5.15.165-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x1e3/0x2d0 lib/dump_stack.c:106 print_deadlock_bug kernel/locking/lockdep.c:2946 [inline] check_deadlock kernel/locking/lockdep.c:2989 [inline] validate_chain+0x46d2/0x5930 kernel/locking/lockdep.c:3775 __lock_acquire+0x1295/0x1ff0 kernel/locking/lockdep.c:5012 lock_acquire+0x1db/0x4f0 kernel/locking/lockdep.c:5623 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline] _raw_spin_lock_irqsave+0xd1/0x120 kernel/locking/spinlock.c:162 trie_delete_elem+0x90/0x690 kernel/bpf/lpm_trie.c:450 bpf_prog_1591c0186a3fbe92+0x3d/0xf24 bpf_dispatcher_nop_func include/linux/bpf.h:790 [inline] __bpf_prog_run include/linux/filter.h:628 [inline] bpf_prog_run include/linux/filter.h:635 [inline] __bpf_trace_run kernel/trace/bpf_trace.c:1880 [inline] bpf_trace_run2+0x19e/0x340 kernel/trace/bpf_trace.c:1917 __bpf_trace_kfree+0x6e/0x90 include/trace/events/kmem.h:118 trace_kfree include/trace/events/kmem.h:118 [inline] kfree+0x22f/0x270 mm/slub.c:4549 trie_update_elem+0x268/0xc00 kernel/bpf/lpm_trie.c:426 bpf_map_update_value+0x5d7/0x6c0 kernel/bpf/syscall.c:221 generic_map_update_batch+0x54d/0x8b0 kernel/bpf/syscall.c:1421 bpf_map_do_batch+0x4d0/0x620 __sys_bpf+0x55c/0x670 __do_sys_bpf kernel/bpf/syscall.c:4755 [inline] __se_sys_bpf kernel/bpf/syscall.c:4753 [inline] __x64_sys_bpf+0x78/0x90 kernel/bpf/syscall.c:4753 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 RIP: 0033:0x7f2332448d39 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffc2dd5c8e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2332448d39 RDX: 0000000000000038 RSI: 0000000020000240 RDI: 000000000000001a RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006 R10: 0000000000000006 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 final repro crashed as (corrupted=false): ============================================ WARNING: possible recursive locking detected 5.15.165-syzkaller #0 Not tainted -------------------------------------------- syz-executor325/3566 is trying to acquire lock: ffff88807d2619b8 (&trie->lock){....}-{2:2}, at: trie_delete_elem+0x90/0x690 kernel/bpf/lpm_trie.c:450 but task is already holding lock: ffff88807d261db8 (&trie->lock){....}-{2:2}, at: trie_update_elem+0xc5/0xc00 kernel/bpf/lpm_trie.c:323 other info that might help us debug this: Possible unsafe locking scenario: CPU0 ---- lock(&trie->lock); lock(&trie->lock); *** DEADLOCK *** May be due to missing lock nesting notation 3 locks held by syz-executor325/3566: #0: ffffffff8c91fbe0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x5/0x30 include/linux/rcupdate.h:311 #1: ffff88807d261db8 (&trie->lock){....}-{2:2}, at: trie_update_elem+0xc5/0xc00 kernel/bpf/lpm_trie.c:323 #2: ffffffff8c91fbe0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x5/0x30 include/linux/rcupdate.h:311 stack backtrace: CPU: 0 PID: 3566 Comm: syz-executor325 Not tainted 5.15.165-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x1e3/0x2d0 lib/dump_stack.c:106 print_deadlock_bug kernel/locking/lockdep.c:2946 [inline] check_deadlock kernel/locking/lockdep.c:2989 [inline] validate_chain+0x46d2/0x5930 kernel/locking/lockdep.c:3775 __lock_acquire+0x1295/0x1ff0 kernel/locking/lockdep.c:5012 lock_acquire+0x1db/0x4f0 kernel/locking/lockdep.c:5623 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline] _raw_spin_lock_irqsave+0xd1/0x120 kernel/locking/spinlock.c:162 trie_delete_elem+0x90/0x690 kernel/bpf/lpm_trie.c:450 bpf_prog_1591c0186a3fbe92+0x3d/0xf24 bpf_dispatcher_nop_func include/linux/bpf.h:790 [inline] __bpf_prog_run include/linux/filter.h:628 [inline] bpf_prog_run include/linux/filter.h:635 [inline] __bpf_trace_run kernel/trace/bpf_trace.c:1880 [inline] bpf_trace_run2+0x19e/0x340 kernel/trace/bpf_trace.c:1917 __bpf_trace_kfree+0x6e/0x90 include/trace/events/kmem.h:118 trace_kfree include/trace/events/kmem.h:118 [inline] kfree+0x22f/0x270 mm/slub.c:4549 trie_update_elem+0x268/0xc00 kernel/bpf/lpm_trie.c:426 bpf_map_update_value+0x5d7/0x6c0 kernel/bpf/syscall.c:221 generic_map_update_batch+0x54d/0x8b0 kernel/bpf/syscall.c:1421 bpf_map_do_batch+0x4d0/0x620 __sys_bpf+0x55c/0x670 __do_sys_bpf kernel/bpf/syscall.c:4755 [inline] __se_sys_bpf kernel/bpf/syscall.c:4753 [inline] __x64_sys_bpf+0x78/0x90 kernel/bpf/syscall.c:4753 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 RIP: 0033:0x7f2332448d39 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffc2dd5c8e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2332448d39 RDX: 0000000000000038 RSI: 0000000020000240 RDI: 000000000000001a RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006 R10: 0000000000000006 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001