Extracting prog: 1m8.283553149s Minimizing prog: 26m4.528937508s Simplifying prog options: 0s Extracting C: 36.530388073s Simplifying C: 8m0.162674298s 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_XDP-bpf$PROG_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN detailed listing: executing program 0: r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000640)=@base={0x16, 0x0, 0x4, 0xff, 0x0, 0x1, 0x0, '\x00', 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, @void, @value, @void, @value}, 0x48) bpf$PROG_LOAD_XDP(0x5, &(0x7f0000000a40)={0x3, 0xc, &(0x7f0000000440)=ANY=[@ANYBLOB="1800000000000000000000000000000018110000", @ANYRES32=r0, @ANYBLOB="0000000000000000b7080000000000007b8af8ff00000000bfa200000000000007020000f8ffffffb703000008000000b704000000000000850000005900000095"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0x25, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0, 0x0, 0x0, 0x0, 0x42, 0x0, 0x0, 0x10, 0x0, @void, @value}, 0x90) r1 = bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x11, 0xc, &(0x7f0000000440)=ANY=[], &(0x7f0000000240)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @void, @value}, 0x90) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000000)={&(0x7f0000000180)='contention_begin\x00', r1}, 0x10) program crashed: possible deadlock in __queue_map_get single: successfully extracted reproducer found reproducer with 4 syscalls minimizing guilty program testing program (duration=1m16.320080472s, {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_XDP-bpf$PROG_LOAD detailed listing: executing program 0: r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000640)=@base={0x16, 0x0, 0x4, 0xff, 0x0, 0x1, 0x0, '\x00', 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, @void, @value, @void, @value}, 0x48) bpf$PROG_LOAD_XDP(0x5, &(0x7f0000000a40)={0x3, 0xc, &(0x7f0000000440)=ANY=[@ANYBLOB="1800000000000000000000000000000018110000", @ANYRES32=r0, @ANYBLOB="0000000000000000b7080000000000007b8af8ff00000000bfa200000000000007020000f8ffffffb703000008000000b704000000000000850000005900000095"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0x25, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0, 0x0, 0x0, 0x0, 0x42, 0x0, 0x0, 0x10, 0x0, @void, @value}, 0x90) bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x11, 0xc, &(0x7f0000000440)=ANY=[], &(0x7f0000000240)='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}, 0x90) program did not crash testing program (duration=1m16.320080472s, {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_XDP-bpf$BPF_RAW_TRACEPOINT_OPEN detailed listing: executing program 0: r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000640)=@base={0x16, 0x0, 0x4, 0xff, 0x0, 0x1, 0x0, '\x00', 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, @void, @value, @void, @value}, 0x48) bpf$PROG_LOAD_XDP(0x5, &(0x7f0000000a40)={0x3, 0xc, &(0x7f0000000440)=ANY=[@ANYBLOB="1800000000000000000000000000000018110000", @ANYRES32=r0, @ANYBLOB="0000000000000000b7080000000000007b8af8ff00000000bfa200000000000007020000f8ffffffb703000008000000b704000000000000850000005900000095"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0x25, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0, 0x0, 0x0, 0x0, 0x42, 0x0, 0x0, 0x10, 0x0, @void, @value}, 0x90) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000000)={&(0x7f0000000180)='contention_begin\x00'}, 0x10) program did not crash testing program (duration=1m16.320080472s, {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$BPF_RAW_TRACEPOINT_OPEN detailed listing: executing program 0: bpf$MAP_CREATE(0x0, &(0x7f0000000640)=@base={0x16, 0x0, 0x4, 0xff, 0x0, 0x1, 0x0, '\x00', 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, @void, @value, @void, @value}, 0x48) r0 = bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x11, 0xc, &(0x7f0000000440)=ANY=[], &(0x7f0000000240)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @void, @value}, 0x90) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000000)={&(0x7f0000000180)='contention_begin\x00', r0}, 0x10) program did not crash testing program (duration=1m16.320080472s, {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$PROG_LOAD_XDP-bpf$PROG_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN detailed listing: executing program 0: bpf$PROG_LOAD_XDP(0x5, &(0x7f0000000a40)={0x3, 0xc, &(0x7f0000000440)=ANY=[@ANYBLOB="1800000000000000000000000000000018110000", @ANYRES32, @ANYBLOB="0000000000000000b7080000000000007b8af8ff00000000bfa200000000000007020000f8ffffffb703000008000000b704000000000000850000005900000095"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0x25, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0, 0x0, 0x0, 0x0, 0x42, 0x0, 0x0, 0x10, 0x0, @void, @value}, 0x90) r0 = bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x11, 0xc, &(0x7f0000000440)=ANY=[], &(0x7f0000000240)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @void, @value}, 0x90) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000000)={&(0x7f0000000180)='contention_begin\x00', r0}, 0x10) program did not crash testing program (duration=1m16.320080472s, {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_XDP-bpf$PROG_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN detailed listing: executing program 0: r0 = bpf$MAP_CREATE(0x0, 0x0, 0x0) bpf$PROG_LOAD_XDP(0x5, &(0x7f0000000a40)={0x3, 0xc, &(0x7f0000000440)=ANY=[@ANYBLOB="1800000000000000000000000000000018110000", @ANYRES32=r0, @ANYBLOB="0000000000000000b7080000000000007b8af8ff00000000bfa200000000000007020000f8ffffffb703000008000000b704000000000000850000005900000095"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0x25, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0, 0x0, 0x0, 0x0, 0x42, 0x0, 0x0, 0x10, 0x0, @void, @value}, 0x90) r1 = bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x11, 0xc, &(0x7f0000000440)=ANY=[], &(0x7f0000000240)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @void, @value}, 0x90) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000000)={&(0x7f0000000180)='contention_begin\x00', r1}, 0x10) program did not crash testing program (duration=1m16.320080472s, {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_XDP-bpf$PROG_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN detailed listing: executing program 0: bpf$MAP_CREATE(0x0, &(0x7f0000000640)=@base={0x16, 0x0, 0x4, 0xff, 0x0, 0x1, 0x0, '\x00', 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, @void, @value, @void, @value}, 0x48) bpf$PROG_LOAD_XDP(0x5, 0x0, 0x0) r0 = bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x11, 0xc, &(0x7f0000000440)=ANY=[], &(0x7f0000000240)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @void, @value}, 0x90) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000000)={&(0x7f0000000180)='contention_begin\x00', r0}, 0x10) program did not crash testing program (duration=1m16.320080472s, {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_XDP-bpf$PROG_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN detailed listing: executing program 0: bpf$MAP_CREATE(0x0, &(0x7f0000000640)=@base={0x16, 0x0, 0x4, 0xff, 0x0, 0x1, 0x0, '\x00', 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, @void, @value, @void, @value}, 0x48) bpf$PROG_LOAD_XDP(0x5, &(0x7f0000000a40)={0x3, 0xc, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0x25, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10, 0x0, @void, @value}, 0x94) r0 = bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x11, 0xc, &(0x7f0000000440)=ANY=[], &(0x7f0000000240)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @void, @value}, 0x90) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000000)={&(0x7f0000000180)='contention_begin\x00', r0}, 0x10) program did not crash testing program (duration=1m16.320080472s, {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_XDP-bpf$PROG_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN detailed listing: executing program 0: bpf$MAP_CREATE(0x0, &(0x7f0000000640)=@base={0x16, 0x0, 0x4, 0xff, 0x0, 0x1, 0x0, '\x00', 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, @void, @value, @void, @value}, 0x48) bpf$PROG_LOAD_XDP(0x5, &(0x7f0000000a40)={0x3, 0xc, &(0x7f0000000440)=ANY=[], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0x25, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10, 0x0, @void, @value}, 0x94) r0 = bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x11, 0xc, &(0x7f0000000440)=ANY=[], &(0x7f0000000240)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @void, @value}, 0x90) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000000)={&(0x7f0000000180)='contention_begin\x00', r0}, 0x10) program did not crash testing program (duration=1m16.320080472s, {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_XDP-bpf$PROG_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN detailed listing: executing program 0: r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000640)=@base={0x16, 0x0, 0x4, 0xff, 0x0, 0x1, 0x0, '\x00', 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, @void, @value, @void, @value}, 0x48) bpf$PROG_LOAD_XDP(0x5, &(0x7f0000000a40)={0x3, 0xc, &(0x7f0000000440)=ANY=[@ANYBLOB="1800000000000000000000000000000018110000", @ANYRES32=r0, @ANYBLOB], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0x25, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10, 0x0, @void, @value}, 0x94) r1 = bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x11, 0xc, &(0x7f0000000440)=ANY=[], &(0x7f0000000240)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @void, @value}, 0x90) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000000)={&(0x7f0000000180)='contention_begin\x00', r1}, 0x10) program did not crash testing program (duration=1m16.320080472s, {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_XDP-bpf$PROG_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN detailed listing: executing program 0: r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000640)=@base={0x16, 0x0, 0x4, 0xff, 0x0, 0x1, 0x0, '\x00', 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, @void, @value, @void, @value}, 0x48) bpf$PROG_LOAD_XDP(0x5, &(0x7f0000000a40)={0x3, 0xc, &(0x7f0000000440)=ANY=[@ANYBLOB, @ANYRES32=r0, @ANYBLOB="0000000000000000b7080000000000007b8af8ff00000000bfa200000000000007020000f8ffffffb703000008000000b704000000000000850000005900000095"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0x25, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10, 0x0, @void, @value}, 0x94) r1 = bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x11, 0xc, &(0x7f0000000440)=ANY=[], &(0x7f0000000240)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @void, @value}, 0x90) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000000)={&(0x7f0000000180)='contention_begin\x00', r1}, 0x10) program did not crash testing program (duration=1m16.320080472s, {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_XDP-bpf$PROG_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN detailed listing: executing program 0: r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000640)=@base={0x16, 0x0, 0x4, 0xff, 0x0, 0x1, 0x0, '\x00', 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, @void, @value, @void, @value}, 0x48) bpf$PROG_LOAD_XDP(0x5, &(0x7f0000000a40)={0x3, 0xc, &(0x7f0000000440)=ANY=[@ANYBLOB="1800000000000000000000000000000018110000", @ANYRES32=r0, @ANYBLOB="0000000000000000b7080000000000007b8af8ff00000000bfa200000000000007020000f8ffffffb703000008000000b704000000000000850000005900000095"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0x25, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0, 0x0, 0x0, 0x0, 0x42, 0x0, 0x0, 0x10, 0x0, @void, @value}, 0x90) r1 = bpf$PROG_LOAD(0x5, 0x0, 0x0) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000000)={&(0x7f0000000180)='contention_begin\x00', r1}, 0x10) program did not crash testing program (duration=1m16.320080472s, {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_XDP-bpf$PROG_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN detailed listing: executing program 0: r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000640)=@base={0x16, 0x0, 0x4, 0xff, 0x0, 0x1, 0x0, '\x00', 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, @void, @value, @void, @value}, 0x48) bpf$PROG_LOAD_XDP(0x5, &(0x7f0000000a40)={0x3, 0xc, &(0x7f0000000440)=ANY=[@ANYBLOB="1800000000000000000000000000000018110000", @ANYRES32=r0, @ANYBLOB="0000000000000000b7080000000000007b8af8ff00000000bfa200000000000007020000f8ffffffb703000008000000b704000000000000850000005900000095"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0x25, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0, 0x0, 0x0, 0x0, 0x42, 0x0, 0x0, 0x10, 0x0, @void, @value}, 0x90) r1 = bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x11, 0xc, 0x0, &(0x7f0000000240)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @void, @value}, 0x94) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000000)={&(0x7f0000000180)='contention_begin\x00', r1}, 0x10) program did not crash testing program (duration=1m16.320080472s, {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_XDP-bpf$PROG_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN detailed listing: executing program 0: r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000640)=@base={0x16, 0x0, 0x4, 0xff, 0x0, 0x1, 0x0, '\x00', 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, @void, @value, @void, @value}, 0x48) bpf$PROG_LOAD_XDP(0x5, &(0x7f0000000a40)={0x3, 0xc, &(0x7f0000000440)=ANY=[@ANYBLOB="1800000000000000000000000000000018110000", @ANYRES32=r0, @ANYBLOB="0000000000000000b7080000000000007b8af8ff00000000bfa200000000000007020000f8ffffffb703000008000000b704000000000000850000005900000095"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0x25, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0, 0x0, 0x0, 0x0, 0x42, 0x0, 0x0, 0x10, 0x0, @void, @value}, 0x90) r1 = bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x11, 0xc, &(0x7f0000000440)=ANY=[], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @void, @value}, 0x94) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000000)={&(0x7f0000000180)='contention_begin\x00', r1}, 0x10) program did not crash testing program (duration=1m16.320080472s, {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_XDP-bpf$PROG_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN detailed listing: executing program 0: r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000640)=@base={0x16, 0x0, 0x4, 0xff, 0x0, 0x1, 0x0, '\x00', 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, @void, @value, @void, @value}, 0x48) bpf$PROG_LOAD_XDP(0x5, &(0x7f0000000a40)={0x3, 0xc, &(0x7f0000000440)=ANY=[@ANYBLOB="1800000000000000000000000000000018110000", @ANYRES32=r0, @ANYBLOB="0000000000000000b7080000000000007b8af8ff00000000bfa200000000000007020000f8ffffffb703000008000000b704000000000000850000005900000095"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0x25, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0, 0x0, 0x0, 0x0, 0x42, 0x0, 0x0, 0x10, 0x0, @void, @value}, 0x90) bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x11, 0xc, &(0x7f0000000440)=ANY=[], &(0x7f0000000240)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @void, @value}, 0x90) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, 0x0, 0x0) program did not crash testing program (duration=1m16.320080472s, {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_XDP-bpf$PROG_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN detailed listing: executing program 0: r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000640)=@base={0x16, 0x0, 0x4, 0xff, 0x0, 0x1, 0x0, '\x00', 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, @void, @value, @void, @value}, 0x48) bpf$PROG_LOAD_XDP(0x5, &(0x7f0000000a40)={0x3, 0xc, &(0x7f0000000440)=ANY=[@ANYBLOB="1800000000000000000000000000000018110000", @ANYRES32=r0, @ANYBLOB="0000000000000000b7080000000000007b8af8ff00000000bfa200000000000007020000f8ffffffb703000008000000b704000000000000850000005900000095"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0x25, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0, 0x0, 0x0, 0x0, 0x42, 0x0, 0x0, 0x10, 0x0, @void, @value}, 0x90) r1 = bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0x11, 0xc, &(0x7f0000000440)=ANY=[], &(0x7f0000000240)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @void, @value}, 0x90) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000000)={0x0, r1}, 0x18) program did not crash extracting C reproducer testing compiled C program (duration=1m16.320080472s, {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_XDP-bpf$PROG_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN program crashed: possible deadlock in __queue_map_get simplifying C reproducer testing compiled C program (duration=1m16.320080472s, {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_XDP-bpf$PROG_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN program crashed: possible deadlock in __queue_map_get testing compiled C program (duration=1m16.320080472s, {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_XDP-bpf$PROG_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN program did not crash testing compiled C program (duration=1m16.320080472s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 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_XDP-bpf$PROG_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN program crashed: possible deadlock in __queue_map_get testing compiled C program (duration=1m16.320080472s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 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_XDP-bpf$PROG_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN program crashed: possible deadlock in __queue_map_get testing compiled C program (duration=1m16.320080472s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 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_XDP-bpf$PROG_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN program crashed: possible deadlock in __queue_map_get testing compiled C program (duration=1m16.320080472s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 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_XDP-bpf$PROG_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN program crashed: possible deadlock in __queue_map_get testing compiled C program (duration=1m16.320080472s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 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_XDP-bpf$PROG_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN program crashed: possible deadlock in __queue_map_get reproducing took 35m49.50557389s repro crashed as (corrupted=false): ============================================ WARNING: possible recursive locking detected 6.1.123-syzkaller #0 Not tainted -------------------------------------------- syz-executor234/4254 is trying to acquire lock: ffff8880774ee218 (&qs->lock){..-.}-{2:2}, at: __queue_map_get+0x146/0x4b0 kernel/bpf/queue_stack_maps.c:109 but task is already holding lock: ffff88814d605218 (&qs->lock){..-.}-{2:2}, at: __queue_map_get+0x146/0x4b0 kernel/bpf/queue_stack_maps.c:109 other info that might help us debug this: Possible unsafe locking scenario: CPU0 ---- lock(&qs->lock); lock(&qs->lock); *** DEADLOCK *** May be due to missing lock nesting notation 4 locks held by syz-executor234/4254: #0: ffff88802fde93f8 (&tsk->futex_exit_mutex){+.+.}-{3:3}, at: futex_cleanup_begin kernel/futex/core.c:1076 [inline] #0: ffff88802fde93f8 (&tsk->futex_exit_mutex){+.+.}-{3:3}, at: futex_exit_release+0x30/0x1e0 kernel/futex/core.c:1128 #1: ffffffff8d32b0c0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:350 [inline] #1: ffffffff8d32b0c0 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:791 [inline] #1: ffffffff8d32b0c0 (rcu_read_lock){....}-{1:2}, at: __bpf_trace_run kernel/trace/bpf_trace.c:2283 [inline] #1: ffffffff8d32b0c0 (rcu_read_lock){....}-{1:2}, at: bpf_trace_run2+0x110/0x410 kernel/trace/bpf_trace.c:2323 #2: ffff88814d605218 (&qs->lock){..-.}-{2:2}, at: __queue_map_get+0x146/0x4b0 kernel/bpf/queue_stack_maps.c:109 #3: ffffffff8d32b0c0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:350 [inline] #3: ffffffff8d32b0c0 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:791 [inline] #3: ffffffff8d32b0c0 (rcu_read_lock){....}-{1:2}, at: __bpf_trace_run kernel/trace/bpf_trace.c:2283 [inline] #3: ffffffff8d32b0c0 (rcu_read_lock){....}-{1:2}, at: bpf_trace_run2+0x110/0x410 kernel/trace/bpf_trace.c:2323 stack backtrace: CPU: 1 PID: 4254 Comm: syz-executor234 Not tainted 6.1.123-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x1e3/0x2cb lib/dump_stack.c:106 print_deadlock_bug kernel/locking/lockdep.c:2983 [inline] check_deadlock kernel/locking/lockdep.c:3026 [inline] validate_chain+0x4711/0x5950 kernel/locking/lockdep.c:3812 __lock_acquire+0x125b/0x1f80 kernel/locking/lockdep.c:5049 lock_acquire+0x1f8/0x5a0 kernel/locking/lockdep.c:5662 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline] _raw_spin_lock_irqsave+0xd1/0x120 kernel/locking/spinlock.c:162 __queue_map_get+0x146/0x4b0 kernel/bpf/queue_stack_maps.c:109 bpf_prog_00798911c748094f+0x3a/0x3e bpf_dispatcher_nop_func include/linux/bpf.h:992 [inline] __bpf_prog_run include/linux/filter.h:603 [inline] bpf_prog_run include/linux/filter.h:610 [inline] __bpf_trace_run kernel/trace/bpf_trace.c:2284 [inline] bpf_trace_run2+0x1fd/0x410 kernel/trace/bpf_trace.c:2323 __traceiter_contention_begin+0x74/0xa0 include/trace/events/lock.h:95 trace_contention_begin+0x14f/0x1a0 include/trace/events/lock.h:95 __pv_queued_spin_lock_slowpath+0x111/0xc50 kernel/locking/qspinlock.c:405 pv_queued_spin_lock_slowpath arch/x86/include/asm/paravirt.h:591 [inline] queued_spin_lock_slowpath+0x42/0x50 arch/x86/include/asm/qspinlock.h:51 queued_spin_lock include/asm-generic/qspinlock.h:114 [inline] do_raw_spin_lock+0x269/0x370 kernel/locking/spinlock_debug.c:115 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:111 [inline] _raw_spin_lock_irqsave+0xdd/0x120 kernel/locking/spinlock.c:162 __queue_map_get+0x146/0x4b0 kernel/bpf/queue_stack_maps.c:109 bpf_prog_00798911c748094f+0x3a/0x3e bpf_dispatcher_nop_func include/linux/bpf.h:992 [inline] __bpf_prog_run include/linux/filter.h:603 [inline] bpf_prog_run include/linux/filter.h:610 [inline] __bpf_trace_run kernel/trace/bpf_trace.c:2284 [inline] bpf_trace_run2+0x1fd/0x410 kernel/trace/bpf_trace.c:2323 __traceiter_contention_begin+0x74/0xa0 include/trace/events/lock.h:95 trace_contention_begin+0x12f/0x170 include/trace/events/lock.h:95 __mutex_lock_common kernel/locking/mutex.c:605 [inline] __mutex_lock+0x143/0xd80 kernel/locking/mutex.c:747 futex_cleanup_begin kernel/futex/core.c:1076 [inline] futex_exit_release+0x30/0x1e0 kernel/futex/core.c:1128 exit_mm_release+0x16/0x30 kernel/fork.c:1506 exit_mm+0xa9/0x300 kernel/exit.c:537 do_exit+0x9f1/0x26a0 kernel/exit.c:858 do_group_exit+0x202/0x2b0 kernel/exit.c:1021 __do_sys_exit_group kernel/exit.c:1032 [inline] __se_sys_exit_group kernel/exit.c:1030 [inline] __x64_sys_exit_group+0x3b/0x40 kernel/exit.c:1030 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:81 entry_SYSCALL_64_after_hwframe+0x68/0xd2 RIP: 0033:0x7f91bc98bfb9 Code: 90 49 c7 c0 b8 ff ff ff be e7 00 00 00 ba 3c 00 00 00 eb 12 0f 1f 44 00 00 89 d0 0f 05 48 3d 00 f0 ff ff 77 1c f4 89 f0 0f 05 <48> 3d 00 f0 ff ff 76 e7 f7 d8 64 41 89 00 eb df 0f 1f 80 00 00 00 RSP: 002b:00007ffcc071f6b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f91bc98bfb9 RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000000 RBP: 00007f91bca072b0 R08: ffffffffffffffb8 R09: 00000000000000a0 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f91bca072b0 R13: 0000000000000000 R14: 00007f91bca07d20 R15: 00007f91bc95d150 final repro crashed as (corrupted=false): ============================================ WARNING: possible recursive locking detected 6.1.123-syzkaller #0 Not tainted -------------------------------------------- syz-executor234/4254 is trying to acquire lock: ffff8880774ee218 (&qs->lock){..-.}-{2:2}, at: __queue_map_get+0x146/0x4b0 kernel/bpf/queue_stack_maps.c:109 but task is already holding lock: ffff88814d605218 (&qs->lock){..-.}-{2:2}, at: __queue_map_get+0x146/0x4b0 kernel/bpf/queue_stack_maps.c:109 other info that might help us debug this: Possible unsafe locking scenario: CPU0 ---- lock(&qs->lock); lock(&qs->lock); *** DEADLOCK *** May be due to missing lock nesting notation 4 locks held by syz-executor234/4254: #0: ffff88802fde93f8 (&tsk->futex_exit_mutex){+.+.}-{3:3}, at: futex_cleanup_begin kernel/futex/core.c:1076 [inline] #0: ffff88802fde93f8 (&tsk->futex_exit_mutex){+.+.}-{3:3}, at: futex_exit_release+0x30/0x1e0 kernel/futex/core.c:1128 #1: ffffffff8d32b0c0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:350 [inline] #1: ffffffff8d32b0c0 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:791 [inline] #1: ffffffff8d32b0c0 (rcu_read_lock){....}-{1:2}, at: __bpf_trace_run kernel/trace/bpf_trace.c:2283 [inline] #1: ffffffff8d32b0c0 (rcu_read_lock){....}-{1:2}, at: bpf_trace_run2+0x110/0x410 kernel/trace/bpf_trace.c:2323 #2: ffff88814d605218 (&qs->lock){..-.}-{2:2}, at: __queue_map_get+0x146/0x4b0 kernel/bpf/queue_stack_maps.c:109 #3: ffffffff8d32b0c0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:350 [inline] #3: ffffffff8d32b0c0 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:791 [inline] #3: ffffffff8d32b0c0 (rcu_read_lock){....}-{1:2}, at: __bpf_trace_run kernel/trace/bpf_trace.c:2283 [inline] #3: ffffffff8d32b0c0 (rcu_read_lock){....}-{1:2}, at: bpf_trace_run2+0x110/0x410 kernel/trace/bpf_trace.c:2323 stack backtrace: CPU: 1 PID: 4254 Comm: syz-executor234 Not tainted 6.1.123-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x1e3/0x2cb lib/dump_stack.c:106 print_deadlock_bug kernel/locking/lockdep.c:2983 [inline] check_deadlock kernel/locking/lockdep.c:3026 [inline] validate_chain+0x4711/0x5950 kernel/locking/lockdep.c:3812 __lock_acquire+0x125b/0x1f80 kernel/locking/lockdep.c:5049 lock_acquire+0x1f8/0x5a0 kernel/locking/lockdep.c:5662 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline] _raw_spin_lock_irqsave+0xd1/0x120 kernel/locking/spinlock.c:162 __queue_map_get+0x146/0x4b0 kernel/bpf/queue_stack_maps.c:109 bpf_prog_00798911c748094f+0x3a/0x3e bpf_dispatcher_nop_func include/linux/bpf.h:992 [inline] __bpf_prog_run include/linux/filter.h:603 [inline] bpf_prog_run include/linux/filter.h:610 [inline] __bpf_trace_run kernel/trace/bpf_trace.c:2284 [inline] bpf_trace_run2+0x1fd/0x410 kernel/trace/bpf_trace.c:2323 __traceiter_contention_begin+0x74/0xa0 include/trace/events/lock.h:95 trace_contention_begin+0x14f/0x1a0 include/trace/events/lock.h:95 __pv_queued_spin_lock_slowpath+0x111/0xc50 kernel/locking/qspinlock.c:405 pv_queued_spin_lock_slowpath arch/x86/include/asm/paravirt.h:591 [inline] queued_spin_lock_slowpath+0x42/0x50 arch/x86/include/asm/qspinlock.h:51 queued_spin_lock include/asm-generic/qspinlock.h:114 [inline] do_raw_spin_lock+0x269/0x370 kernel/locking/spinlock_debug.c:115 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:111 [inline] _raw_spin_lock_irqsave+0xdd/0x120 kernel/locking/spinlock.c:162 __queue_map_get+0x146/0x4b0 kernel/bpf/queue_stack_maps.c:109 bpf_prog_00798911c748094f+0x3a/0x3e bpf_dispatcher_nop_func include/linux/bpf.h:992 [inline] __bpf_prog_run include/linux/filter.h:603 [inline] bpf_prog_run include/linux/filter.h:610 [inline] __bpf_trace_run kernel/trace/bpf_trace.c:2284 [inline] bpf_trace_run2+0x1fd/0x410 kernel/trace/bpf_trace.c:2323 __traceiter_contention_begin+0x74/0xa0 include/trace/events/lock.h:95 trace_contention_begin+0x12f/0x170 include/trace/events/lock.h:95 __mutex_lock_common kernel/locking/mutex.c:605 [inline] __mutex_lock+0x143/0xd80 kernel/locking/mutex.c:747 futex_cleanup_begin kernel/futex/core.c:1076 [inline] futex_exit_release+0x30/0x1e0 kernel/futex/core.c:1128 exit_mm_release+0x16/0x30 kernel/fork.c:1506 exit_mm+0xa9/0x300 kernel/exit.c:537 do_exit+0x9f1/0x26a0 kernel/exit.c:858 do_group_exit+0x202/0x2b0 kernel/exit.c:1021 __do_sys_exit_group kernel/exit.c:1032 [inline] __se_sys_exit_group kernel/exit.c:1030 [inline] __x64_sys_exit_group+0x3b/0x40 kernel/exit.c:1030 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:81 entry_SYSCALL_64_after_hwframe+0x68/0xd2 RIP: 0033:0x7f91bc98bfb9 Code: 90 49 c7 c0 b8 ff ff ff be e7 00 00 00 ba 3c 00 00 00 eb 12 0f 1f 44 00 00 89 d0 0f 05 48 3d 00 f0 ff ff 77 1c f4 89 f0 0f 05 <48> 3d 00 f0 ff ff 76 e7 f7 d8 64 41 89 00 eb df 0f 1f 80 00 00 00 RSP: 002b:00007ffcc071f6b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f91bc98bfb9 RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000000 RBP: 00007f91bca072b0 R08: ffffffffffffffb8 R09: 00000000000000a0 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f91bca072b0 R13: 0000000000000000 R14: 00007f91bca07d20 R15: 00007f91bc95d150