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