Extracting prog: 3m27.391571052s
Minimizing prog: 1h47m49.457012761s
Simplifying prog options: 12m15.153207847s
Extracting C: 5m15.575300122s
Simplifying C: 0s


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:4 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}}): socket$nl_rdma-sendmsg$RDMA_NLDEV_CMD_NEWLINK-openat$rdma_cm-write$RDMA_USER_CM_CMD_CREATE_ID-write$RDMA_USER_CM_CMD_BIND_IP-write$RDMA_USER_CM_CMD_JOIN_MCAST-write$RDMA_USER_CM_CMD_JOIN_MCAST
detailed listing:
executing program 0:
r0 = socket$nl_rdma(0x10, 0x3, 0x14)
sendmsg$RDMA_NLDEV_CMD_NEWLINK(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000180)=ANY=[@ANYBLOB="380000000314230c2abd7000ff05df250900020073797a310000000008004100727865001400330073797a5f74756e"], 0x38}, 0x1, 0x0, 0x0, 0x48845}, 0x20000094)
r1 = openat$rdma_cm(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0)
write$RDMA_USER_CM_CMD_CREATE_ID(r1, &(0x7f00000001c0)={0x0, 0x18, 0xfa00, {0x3, &(0x7f0000000100)={<r2=>0xffffffffffffffff}, 0x13f, 0x4}}, 0x20)
write$RDMA_USER_CM_CMD_BIND_IP(r1, &(0x7f0000000180)={0x2, 0x28, 0xfa00, {0x0, {0xa, 0x4e21, 0x8, @local, 0x12}, r2}}, 0x30)
write$RDMA_USER_CM_CMD_JOIN_MCAST(r1, &(0x7f0000000900)={0x16, 0x98, 0xfa00, {0x0, 0x4, r2, 0x10, 0x0, @in={0x2, 0x6e23, @broadcast}}}, 0xa0) (async)
write$RDMA_USER_CM_CMD_JOIN_MCAST(r1, &(0x7f0000000900)={0x16, 0x98, 0xfa00, {0x0, 0x4, r2, 0x10, 0x0, @in={0x2, 0x6e23, @broadcast}}}, 0xa0)

program did not crash
single: failed to extract reproducer
single: executing 1 programs separately with timeout 6m0s
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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}}): socket$nl_rdma-sendmsg$RDMA_NLDEV_CMD_NEWLINK-openat$rdma_cm-write$RDMA_USER_CM_CMD_CREATE_ID-write$RDMA_USER_CM_CMD_BIND_IP-write$RDMA_USER_CM_CMD_JOIN_MCAST-write$RDMA_USER_CM_CMD_JOIN_MCAST
detailed listing:
executing program 0:
r0 = socket$nl_rdma(0x10, 0x3, 0x14)
sendmsg$RDMA_NLDEV_CMD_NEWLINK(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000180)=ANY=[@ANYBLOB="380000000314230c2abd7000ff05df250900020073797a310000000008004100727865001400330073797a5f74756e"], 0x38}, 0x1, 0x0, 0x0, 0x48845}, 0x20000094)
r1 = openat$rdma_cm(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0)
write$RDMA_USER_CM_CMD_CREATE_ID(r1, &(0x7f00000001c0)={0x0, 0x18, 0xfa00, {0x3, &(0x7f0000000100)={<r2=>0xffffffffffffffff}, 0x13f, 0x4}}, 0x20)
write$RDMA_USER_CM_CMD_BIND_IP(r1, &(0x7f0000000180)={0x2, 0x28, 0xfa00, {0x0, {0xa, 0x4e21, 0x8, @local, 0x12}, r2}}, 0x30)
write$RDMA_USER_CM_CMD_JOIN_MCAST(r1, &(0x7f0000000900)={0x16, 0x98, 0xfa00, {0x0, 0x4, r2, 0x10, 0x0, @in={0x2, 0x6e23, @broadcast}}}, 0xa0) (async)
write$RDMA_USER_CM_CMD_JOIN_MCAST(r1, &(0x7f0000000900)={0x16, 0x98, 0xfa00, {0x0, 0x4, r2, 0x10, 0x0, @in={0x2, 0x6e23, @broadcast}}}, 0xa0)

program crashed: KASAN: slab-use-after-free Read in ucma_create_uevent
single: successfully extracted reproducer
found reproducer with 7 syscalls
minimizing guilty program
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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}}): socket$nl_rdma-sendmsg$RDMA_NLDEV_CMD_NEWLINK-openat$rdma_cm-write$RDMA_USER_CM_CMD_CREATE_ID-write$RDMA_USER_CM_CMD_BIND_IP-write$RDMA_USER_CM_CMD_JOIN_MCAST
detailed listing:
executing program 0:
r0 = socket$nl_rdma(0x10, 0x3, 0x14)
sendmsg$RDMA_NLDEV_CMD_NEWLINK(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000180)=ANY=[@ANYBLOB="380000000314230c2abd7000ff05df250900020073797a310000000008004100727865001400330073797a5f74756e"], 0x38}, 0x1, 0x0, 0x0, 0x48845}, 0x20000094)
r1 = openat$rdma_cm(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0)
write$RDMA_USER_CM_CMD_CREATE_ID(r1, &(0x7f00000001c0)={0x0, 0x18, 0xfa00, {0x3, &(0x7f0000000100)={<r2=>0xffffffffffffffff}, 0x13f, 0x4}}, 0x20)
write$RDMA_USER_CM_CMD_BIND_IP(r1, &(0x7f0000000180)={0x2, 0x28, 0xfa00, {0x0, {0xa, 0x4e21, 0x8, @local, 0x12}, r2}}, 0x30)
write$RDMA_USER_CM_CMD_JOIN_MCAST(r1, &(0x7f0000000900)={0x16, 0x98, 0xfa00, {0x0, 0x4, r2, 0x10, 0x0, @in={0x2, 0x6e23, @broadcast}}}, 0xa0) (async)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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}}): socket$nl_rdma-sendmsg$RDMA_NLDEV_CMD_NEWLINK-openat$rdma_cm-write$RDMA_USER_CM_CMD_CREATE_ID-write$RDMA_USER_CM_CMD_BIND_IP-write$RDMA_USER_CM_CMD_JOIN_MCAST
detailed listing:
executing program 0:
r0 = socket$nl_rdma(0x10, 0x3, 0x14)
sendmsg$RDMA_NLDEV_CMD_NEWLINK(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000180)=ANY=[@ANYBLOB="380000000314230c2abd7000ff05df250900020073797a310000000008004100727865001400330073797a5f74756e"], 0x38}, 0x1, 0x0, 0x0, 0x48845}, 0x20000094)
r1 = openat$rdma_cm(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0)
write$RDMA_USER_CM_CMD_CREATE_ID(r1, &(0x7f00000001c0)={0x0, 0x18, 0xfa00, {0x3, &(0x7f0000000100)={<r2=>0xffffffffffffffff}, 0x13f, 0x4}}, 0x20)
write$RDMA_USER_CM_CMD_BIND_IP(r1, &(0x7f0000000180)={0x2, 0x28, 0xfa00, {0x0, {0xa, 0x4e21, 0x8, @local, 0x12}, r2}}, 0x30)
write$RDMA_USER_CM_CMD_JOIN_MCAST(r1, &(0x7f0000000900)={0x16, 0x98, 0xfa00, {0x0, 0x4, r2, 0x10, 0x0, @in={0x2, 0x6e23, @broadcast}}}, 0xa0)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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}}): socket$nl_rdma-sendmsg$RDMA_NLDEV_CMD_NEWLINK-openat$rdma_cm-write$RDMA_USER_CM_CMD_CREATE_ID-write$RDMA_USER_CM_CMD_JOIN_MCAST-write$RDMA_USER_CM_CMD_JOIN_MCAST
detailed listing:
executing program 0:
r0 = socket$nl_rdma(0x10, 0x3, 0x14)
sendmsg$RDMA_NLDEV_CMD_NEWLINK(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000180)=ANY=[@ANYBLOB="380000000314230c2abd7000ff05df250900020073797a310000000008004100727865001400330073797a5f74756e"], 0x38}, 0x1, 0x0, 0x0, 0x48845}, 0x20000094)
r1 = openat$rdma_cm(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0)
write$RDMA_USER_CM_CMD_CREATE_ID(r1, &(0x7f00000001c0)={0x0, 0x18, 0xfa00, {0x3, &(0x7f0000000100)={<r2=>0xffffffffffffffff}, 0x13f, 0x4}}, 0x20)
write$RDMA_USER_CM_CMD_JOIN_MCAST(r1, &(0x7f0000000900)={0x16, 0x98, 0xfa00, {0x0, 0x4, r2, 0x10, 0x0, @in={0x2, 0x6e23, @broadcast}}}, 0xa0) (async)
write$RDMA_USER_CM_CMD_JOIN_MCAST(r1, &(0x7f0000000900)={0x16, 0x98, 0xfa00, {0x0, 0x4, r2, 0x10, 0x0, @in={0x2, 0x6e23, @broadcast}}}, 0xa0)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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}}): socket$nl_rdma-sendmsg$RDMA_NLDEV_CMD_NEWLINK-openat$rdma_cm-write$RDMA_USER_CM_CMD_BIND_IP-write$RDMA_USER_CM_CMD_JOIN_MCAST-write$RDMA_USER_CM_CMD_JOIN_MCAST
detailed listing:
executing program 0:
r0 = socket$nl_rdma(0x10, 0x3, 0x14)
sendmsg$RDMA_NLDEV_CMD_NEWLINK(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000180)=ANY=[@ANYBLOB="380000000314230c2abd7000ff05df250900020073797a310000000008004100727865001400330073797a5f74756e"], 0x38}, 0x1, 0x0, 0x0, 0x48845}, 0x20000094)
r1 = openat$rdma_cm(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0)
write$RDMA_USER_CM_CMD_BIND_IP(r1, &(0x7f0000000180)={0x2, 0x28, 0xfa00, {0x0, {0xa, 0x4e21, 0x8, @local, 0x12}}}, 0x30)
write$RDMA_USER_CM_CMD_JOIN_MCAST(r1, &(0x7f0000000900)={0x16, 0x98, 0xfa00, {0x0, 0x4, 0xffffffffffffffff, 0x10, 0x0, @in={0x2, 0x6e23, @broadcast}}}, 0xa0) (async)
write$RDMA_USER_CM_CMD_JOIN_MCAST(r1, &(0x7f0000000900)={0x16, 0x98, 0xfa00, {0x0, 0x4, 0xffffffffffffffff, 0x10, 0x0, @in={0x2, 0x6e23, @broadcast}}}, 0xa0)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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}}): socket$nl_rdma-sendmsg$RDMA_NLDEV_CMD_NEWLINK-write$RDMA_USER_CM_CMD_CREATE_ID-write$RDMA_USER_CM_CMD_BIND_IP-write$RDMA_USER_CM_CMD_JOIN_MCAST-write$RDMA_USER_CM_CMD_JOIN_MCAST
detailed listing:
executing program 0:
r0 = socket$nl_rdma(0x10, 0x3, 0x14)
sendmsg$RDMA_NLDEV_CMD_NEWLINK(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000180)=ANY=[@ANYBLOB="380000000314230c2abd7000ff05df250900020073797a310000000008004100727865001400330073797a5f74756e"], 0x38}, 0x1, 0x0, 0x0, 0x48845}, 0x20000094)
write$RDMA_USER_CM_CMD_CREATE_ID(0xffffffffffffffff, &(0x7f00000001c0)={0x0, 0x18, 0xfa00, {0x3, &(0x7f0000000100)={<r1=>0xffffffffffffffff}, 0x13f, 0x4}}, 0x20)
write$RDMA_USER_CM_CMD_BIND_IP(0xffffffffffffffff, &(0x7f0000000180)={0x2, 0x28, 0xfa00, {0x0, {0xa, 0x4e21, 0x8, @local, 0x12}, r1}}, 0x30)
write$RDMA_USER_CM_CMD_JOIN_MCAST(0xffffffffffffffff, &(0x7f0000000900)={0x16, 0x98, 0xfa00, {0x0, 0x4, r1, 0x10, 0x0, @in={0x2, 0x6e23, @broadcast}}}, 0xa0) (async)
write$RDMA_USER_CM_CMD_JOIN_MCAST(0xffffffffffffffff, &(0x7f0000000900)={0x16, 0x98, 0xfa00, {0x0, 0x4, r1, 0x10, 0x0, @in={0x2, 0x6e23, @broadcast}}}, 0xa0)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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}}): socket$nl_rdma-openat$rdma_cm-write$RDMA_USER_CM_CMD_CREATE_ID-write$RDMA_USER_CM_CMD_BIND_IP-write$RDMA_USER_CM_CMD_JOIN_MCAST-write$RDMA_USER_CM_CMD_JOIN_MCAST
detailed listing:
executing program 0:
socket$nl_rdma(0x10, 0x3, 0x14)
r0 = openat$rdma_cm(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0)
write$RDMA_USER_CM_CMD_CREATE_ID(r0, &(0x7f00000001c0)={0x0, 0x18, 0xfa00, {0x3, &(0x7f0000000100)={<r1=>0xffffffffffffffff}, 0x13f, 0x4}}, 0x20)
write$RDMA_USER_CM_CMD_BIND_IP(r0, &(0x7f0000000180)={0x2, 0x28, 0xfa00, {0x0, {0xa, 0x4e21, 0x8, @local, 0x12}, r1}}, 0x30)
write$RDMA_USER_CM_CMD_JOIN_MCAST(r0, &(0x7f0000000900)={0x16, 0x98, 0xfa00, {0x0, 0x4, r1, 0x10, 0x0, @in={0x2, 0x6e23, @broadcast}}}, 0xa0) (async)
write$RDMA_USER_CM_CMD_JOIN_MCAST(r0, &(0x7f0000000900)={0x16, 0x98, 0xfa00, {0x0, 0x4, r1, 0x10, 0x0, @in={0x2, 0x6e23, @broadcast}}}, 0xa0)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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}}): sendmsg$RDMA_NLDEV_CMD_NEWLINK-openat$rdma_cm-write$RDMA_USER_CM_CMD_CREATE_ID-write$RDMA_USER_CM_CMD_BIND_IP-write$RDMA_USER_CM_CMD_JOIN_MCAST-write$RDMA_USER_CM_CMD_JOIN_MCAST
detailed listing:
executing program 0:
sendmsg$RDMA_NLDEV_CMD_NEWLINK(0xffffffffffffffff, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000180)=ANY=[@ANYBLOB="380000000314230c2abd7000ff05df250900020073797a310000000008004100727865001400330073797a5f74756e"], 0x38}, 0x1, 0x0, 0x0, 0x48845}, 0x20000094)
r0 = openat$rdma_cm(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0)
write$RDMA_USER_CM_CMD_CREATE_ID(r0, &(0x7f00000001c0)={0x0, 0x18, 0xfa00, {0x3, &(0x7f0000000100)={<r1=>0xffffffffffffffff}, 0x13f, 0x4}}, 0x20)
write$RDMA_USER_CM_CMD_BIND_IP(r0, &(0x7f0000000180)={0x2, 0x28, 0xfa00, {0x0, {0xa, 0x4e21, 0x8, @local, 0x12}, r1}}, 0x30)
write$RDMA_USER_CM_CMD_JOIN_MCAST(r0, &(0x7f0000000900)={0x16, 0x98, 0xfa00, {0x0, 0x4, r1, 0x10, 0x0, @in={0x2, 0x6e23, @broadcast}}}, 0xa0) (async)
write$RDMA_USER_CM_CMD_JOIN_MCAST(r0, &(0x7f0000000900)={0x16, 0x98, 0xfa00, {0x0, 0x4, r1, 0x10, 0x0, @in={0x2, 0x6e23, @broadcast}}}, 0xa0)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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}}): socket$nl_rdma-sendmsg$RDMA_NLDEV_CMD_NEWLINK-openat$rdma_cm-write$RDMA_USER_CM_CMD_CREATE_ID-write$RDMA_USER_CM_CMD_BIND_IP-write$RDMA_USER_CM_CMD_JOIN_MCAST-write$RDMA_USER_CM_CMD_JOIN_MCAST
detailed listing:
executing program 0:
r0 = socket$nl_rdma(0x10, 0x3, 0x14)
sendmsg$RDMA_NLDEV_CMD_NEWLINK(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000180)=ANY=[@ANYBLOB="380000000314230c2abd7000ff05df250900020073797a310000000008004100727865001400330073797a5f74756e"], 0x38}, 0x1, 0x0, 0x0, 0x48845}, 0x20000094)
r1 = openat$rdma_cm(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0)
write$RDMA_USER_CM_CMD_CREATE_ID(r1, &(0x7f00000001c0)={0x0, 0x18, 0xfa00, {0x3, &(0x7f0000000100)={<r2=>0xffffffffffffffff}, 0x13f, 0x4}}, 0x20)
write$RDMA_USER_CM_CMD_BIND_IP(r1, &(0x7f0000000180)={0x2, 0x28, 0xfa00, {0x0, {0xa, 0x4e21, 0x8, @local, 0x12}, r2}}, 0x30)
write$RDMA_USER_CM_CMD_JOIN_MCAST(r1, &(0x7f0000000900)={0x16, 0x98, 0xfa00, {0x0, 0x4, r2, 0x10, 0x0, @in={0x2, 0x6e23, @broadcast}}}, 0xa0)
write$RDMA_USER_CM_CMD_JOIN_MCAST(r1, &(0x7f0000000900)={0x16, 0x98, 0xfa00, {0x0, 0x4, r2, 0x10, 0x0, @in={0x2, 0x6e23, @broadcast}}}, 0xa0)

program crashed: KASAN: slab-use-after-free Read in ucma_create_uevent
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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}}): socket$nl_rdma-sendmsg$RDMA_NLDEV_CMD_NEWLINK-openat$rdma_cm-write$RDMA_USER_CM_CMD_CREATE_ID-write$RDMA_USER_CM_CMD_BIND_IP-write$RDMA_USER_CM_CMD_JOIN_MCAST-write$RDMA_USER_CM_CMD_JOIN_MCAST
detailed listing:
executing program 0:
r0 = socket$nl_rdma(0x10, 0x3, 0x14)
sendmsg$RDMA_NLDEV_CMD_NEWLINK(r0, 0x0, 0x20000094)
r1 = openat$rdma_cm(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0)
write$RDMA_USER_CM_CMD_CREATE_ID(r1, &(0x7f00000001c0)={0x0, 0x18, 0xfa00, {0x3, &(0x7f0000000100)={<r2=>0xffffffffffffffff}, 0x13f, 0x4}}, 0x20)
write$RDMA_USER_CM_CMD_BIND_IP(r1, &(0x7f0000000180)={0x2, 0x28, 0xfa00, {0x0, {0xa, 0x4e21, 0x8, @local, 0x12}, r2}}, 0x30)
write$RDMA_USER_CM_CMD_JOIN_MCAST(r1, &(0x7f0000000900)={0x16, 0x98, 0xfa00, {0x0, 0x4, r2, 0x10, 0x0, @in={0x2, 0x6e23, @broadcast}}}, 0xa0)
write$RDMA_USER_CM_CMD_JOIN_MCAST(r1, &(0x7f0000000900)={0x16, 0x98, 0xfa00, {0x0, 0x4, r2, 0x10, 0x0, @in={0x2, 0x6e23, @broadcast}}}, 0xa0)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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}}): socket$nl_rdma-sendmsg$RDMA_NLDEV_CMD_NEWLINK-openat$rdma_cm-write$RDMA_USER_CM_CMD_CREATE_ID-write$RDMA_USER_CM_CMD_BIND_IP-write$RDMA_USER_CM_CMD_JOIN_MCAST-write$RDMA_USER_CM_CMD_JOIN_MCAST
detailed listing:
executing program 0:
r0 = socket$nl_rdma(0x10, 0x3, 0x14)
sendmsg$RDMA_NLDEV_CMD_NEWLINK(r0, &(0x7f0000000080)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x48845}, 0x20000094)
r1 = openat$rdma_cm(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0)
write$RDMA_USER_CM_CMD_CREATE_ID(r1, &(0x7f00000001c0)={0x0, 0x18, 0xfa00, {0x3, &(0x7f0000000100)={<r2=>0xffffffffffffffff}, 0x13f, 0x4}}, 0x20)
write$RDMA_USER_CM_CMD_BIND_IP(r1, &(0x7f0000000180)={0x2, 0x28, 0xfa00, {0x0, {0xa, 0x4e21, 0x8, @local, 0x12}, r2}}, 0x30)
write$RDMA_USER_CM_CMD_JOIN_MCAST(r1, &(0x7f0000000900)={0x16, 0x98, 0xfa00, {0x0, 0x4, r2, 0x10, 0x0, @in={0x2, 0x6e23, @broadcast}}}, 0xa0)
write$RDMA_USER_CM_CMD_JOIN_MCAST(r1, &(0x7f0000000900)={0x16, 0x98, 0xfa00, {0x0, 0x4, r2, 0x10, 0x0, @in={0x2, 0x6e23, @broadcast}}}, 0xa0)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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}}): socket$nl_rdma-sendmsg$RDMA_NLDEV_CMD_NEWLINK-openat$rdma_cm-write$RDMA_USER_CM_CMD_CREATE_ID-write$RDMA_USER_CM_CMD_BIND_IP-write$RDMA_USER_CM_CMD_JOIN_MCAST-write$RDMA_USER_CM_CMD_JOIN_MCAST
detailed listing:
executing program 0:
r0 = socket$nl_rdma(0x10, 0x3, 0x14)
sendmsg$RDMA_NLDEV_CMD_NEWLINK(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000040)={0x0, 0x38}, 0x1, 0x0, 0x0, 0x48845}, 0x20000094)
r1 = openat$rdma_cm(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0)
write$RDMA_USER_CM_CMD_CREATE_ID(r1, &(0x7f00000001c0)={0x0, 0x18, 0xfa00, {0x3, &(0x7f0000000100)={<r2=>0xffffffffffffffff}, 0x13f, 0x4}}, 0x20)
write$RDMA_USER_CM_CMD_BIND_IP(r1, &(0x7f0000000180)={0x2, 0x28, 0xfa00, {0x0, {0xa, 0x4e21, 0x8, @local, 0x12}, r2}}, 0x30)
write$RDMA_USER_CM_CMD_JOIN_MCAST(r1, &(0x7f0000000900)={0x16, 0x98, 0xfa00, {0x0, 0x4, r2, 0x10, 0x0, @in={0x2, 0x6e23, @broadcast}}}, 0xa0)
write$RDMA_USER_CM_CMD_JOIN_MCAST(r1, &(0x7f0000000900)={0x16, 0x98, 0xfa00, {0x0, 0x4, r2, 0x10, 0x0, @in={0x2, 0x6e23, @broadcast}}}, 0xa0)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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}}): socket$nl_rdma-sendmsg$RDMA_NLDEV_CMD_NEWLINK-openat$rdma_cm-write$RDMA_USER_CM_CMD_CREATE_ID-write$RDMA_USER_CM_CMD_BIND_IP-write$RDMA_USER_CM_CMD_JOIN_MCAST-write$RDMA_USER_CM_CMD_JOIN_MCAST
detailed listing:
executing program 0:
r0 = socket$nl_rdma(0x10, 0x3, 0x14)
sendmsg$RDMA_NLDEV_CMD_NEWLINK(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000180)=ANY=[@ANYBLOB], 0x38}, 0x1, 0x0, 0x0, 0x48845}, 0x20000094)
r1 = openat$rdma_cm(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0)
write$RDMA_USER_CM_CMD_CREATE_ID(r1, &(0x7f00000001c0)={0x0, 0x18, 0xfa00, {0x3, &(0x7f0000000100)={<r2=>0xffffffffffffffff}, 0x13f, 0x4}}, 0x20)
write$RDMA_USER_CM_CMD_BIND_IP(r1, &(0x7f0000000180)={0x2, 0x28, 0xfa00, {0x0, {0xa, 0x4e21, 0x8, @local, 0x12}, r2}}, 0x30)
write$RDMA_USER_CM_CMD_JOIN_MCAST(r1, &(0x7f0000000900)={0x16, 0x98, 0xfa00, {0x0, 0x4, r2, 0x10, 0x0, @in={0x2, 0x6e23, @broadcast}}}, 0xa0)
write$RDMA_USER_CM_CMD_JOIN_MCAST(r1, &(0x7f0000000900)={0x16, 0x98, 0xfa00, {0x0, 0x4, r2, 0x10, 0x0, @in={0x2, 0x6e23, @broadcast}}}, 0xa0)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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}}): socket$nl_rdma-sendmsg$RDMA_NLDEV_CMD_NEWLINK-openat$rdma_cm-write$RDMA_USER_CM_CMD_CREATE_ID-write$RDMA_USER_CM_CMD_BIND_IP-write$RDMA_USER_CM_CMD_JOIN_MCAST-write$RDMA_USER_CM_CMD_JOIN_MCAST
detailed listing:
executing program 0:
r0 = socket$nl_rdma(0x10, 0x3, 0x14)
sendmsg$RDMA_NLDEV_CMD_NEWLINK(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000180)=ANY=[@ANYBLOB="380000000314230c2abd7000ff05df250900020073797a310000000008004100727865001400330073797a5f74756e"], 0x38}, 0x1, 0x0, 0x0, 0x48845}, 0x20000094)
r1 = openat$rdma_cm(0xffffffffffffff9c, 0x0, 0x2, 0x0)
write$RDMA_USER_CM_CMD_CREATE_ID(r1, &(0x7f00000001c0)={0x0, 0x18, 0xfa00, {0x3, &(0x7f0000000100)={<r2=>0xffffffffffffffff}, 0x13f, 0x4}}, 0x20)
write$RDMA_USER_CM_CMD_BIND_IP(r1, &(0x7f0000000180)={0x2, 0x28, 0xfa00, {0x0, {0xa, 0x4e21, 0x8, @local, 0x12}, r2}}, 0x30)
write$RDMA_USER_CM_CMD_JOIN_MCAST(r1, &(0x7f0000000900)={0x16, 0x98, 0xfa00, {0x0, 0x4, r2, 0x10, 0x0, @in={0x2, 0x6e23, @broadcast}}}, 0xa0)
write$RDMA_USER_CM_CMD_JOIN_MCAST(r1, &(0x7f0000000900)={0x16, 0x98, 0xfa00, {0x0, 0x4, r2, 0x10, 0x0, @in={0x2, 0x6e23, @broadcast}}}, 0xa0)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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}}): socket$nl_rdma-sendmsg$RDMA_NLDEV_CMD_NEWLINK-openat$rdma_cm-write$RDMA_USER_CM_CMD_CREATE_ID-write$RDMA_USER_CM_CMD_BIND_IP-write$RDMA_USER_CM_CMD_JOIN_MCAST-write$RDMA_USER_CM_CMD_JOIN_MCAST
detailed listing:
executing program 0:
r0 = socket$nl_rdma(0x10, 0x3, 0x14)
sendmsg$RDMA_NLDEV_CMD_NEWLINK(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000180)=ANY=[@ANYBLOB="380000000314230c2abd7000ff05df250900020073797a310000000008004100727865001400330073797a5f74756e"], 0x38}, 0x1, 0x0, 0x0, 0x48845}, 0x20000094)
r1 = openat$rdma_cm(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0)
write$RDMA_USER_CM_CMD_CREATE_ID(r1, 0x0, 0x0)
write$RDMA_USER_CM_CMD_BIND_IP(r1, &(0x7f0000000180)={0x2, 0x28, 0xfa00, {0x0, {0xa, 0x4e21, 0x8, @local, 0x12}}}, 0x30)
write$RDMA_USER_CM_CMD_JOIN_MCAST(r1, &(0x7f0000000900)={0x16, 0x98, 0xfa00, {0x0, 0x4, 0xffffffffffffffff, 0x10, 0x0, @in={0x2, 0x6e23, @broadcast}}}, 0xa0)
write$RDMA_USER_CM_CMD_JOIN_MCAST(r1, &(0x7f0000000900)={0x16, 0x98, 0xfa00, {0x0, 0x4, 0xffffffffffffffff, 0x10, 0x0, @in={0x2, 0x6e23, @broadcast}}}, 0xa0)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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}}): socket$nl_rdma-sendmsg$RDMA_NLDEV_CMD_NEWLINK-openat$rdma_cm-write$RDMA_USER_CM_CMD_CREATE_ID-write$RDMA_USER_CM_CMD_BIND_IP-write$RDMA_USER_CM_CMD_JOIN_MCAST-write$RDMA_USER_CM_CMD_JOIN_MCAST
detailed listing:
executing program 0:
r0 = socket$nl_rdma(0x10, 0x3, 0x14)
sendmsg$RDMA_NLDEV_CMD_NEWLINK(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000180)=ANY=[@ANYBLOB="380000000314230c2abd7000ff05df250900020073797a310000000008004100727865001400330073797a5f74756e"], 0x38}, 0x1, 0x0, 0x0, 0x48845}, 0x20000094)
r1 = openat$rdma_cm(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0)
write$RDMA_USER_CM_CMD_CREATE_ID(r1, &(0x7f00000001c0)={0x0, 0x18, 0xfa00, {0x3, 0x0, 0x13f, 0x4}}, 0x20)
write$RDMA_USER_CM_CMD_BIND_IP(r1, &(0x7f0000000180)={0x2, 0x28, 0xfa00, {0x0, {0xa, 0x4e21, 0x8, @local, 0x12}}}, 0x30)
write$RDMA_USER_CM_CMD_JOIN_MCAST(r1, &(0x7f0000000900)={0x16, 0x98, 0xfa00, {0x0, 0x4, 0xffffffffffffffff, 0x10, 0x0, @in={0x2, 0x6e23, @broadcast}}}, 0xa0)
write$RDMA_USER_CM_CMD_JOIN_MCAST(r1, &(0x7f0000000900)={0x16, 0x98, 0xfa00, {0x0, 0x4, 0xffffffffffffffff, 0x10, 0x0, @in={0x2, 0x6e23, @broadcast}}}, 0xa0)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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}}): socket$nl_rdma-sendmsg$RDMA_NLDEV_CMD_NEWLINK-openat$rdma_cm-write$RDMA_USER_CM_CMD_CREATE_ID-write$RDMA_USER_CM_CMD_BIND_IP-write$RDMA_USER_CM_CMD_JOIN_MCAST-write$RDMA_USER_CM_CMD_JOIN_MCAST
detailed listing:
executing program 0:
r0 = socket$nl_rdma(0x10, 0x3, 0x14)
sendmsg$RDMA_NLDEV_CMD_NEWLINK(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000180)=ANY=[@ANYBLOB="380000000314230c2abd7000ff05df250900020073797a310000000008004100727865001400330073797a5f74756e"], 0x38}, 0x1, 0x0, 0x0, 0x48845}, 0x20000094)
r1 = openat$rdma_cm(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0)
write$RDMA_USER_CM_CMD_CREATE_ID(r1, &(0x7f00000001c0)={0x0, 0x18, 0xfa00, {0x3, &(0x7f0000000100)={<r2=>0xffffffffffffffff}, 0x13f, 0x4}}, 0x20)
write$RDMA_USER_CM_CMD_BIND_IP(r1, 0x0, 0x0)
write$RDMA_USER_CM_CMD_JOIN_MCAST(r1, &(0x7f0000000900)={0x16, 0x98, 0xfa00, {0x0, 0x4, r2, 0x10, 0x0, @in={0x2, 0x6e23, @broadcast}}}, 0xa0)
write$RDMA_USER_CM_CMD_JOIN_MCAST(r1, &(0x7f0000000900)={0x16, 0x98, 0xfa00, {0x0, 0x4, r2, 0x10, 0x0, @in={0x2, 0x6e23, @broadcast}}}, 0xa0)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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}}): socket$nl_rdma-sendmsg$RDMA_NLDEV_CMD_NEWLINK-openat$rdma_cm-write$RDMA_USER_CM_CMD_CREATE_ID-write$RDMA_USER_CM_CMD_BIND_IP-write$RDMA_USER_CM_CMD_JOIN_MCAST-write$RDMA_USER_CM_CMD_JOIN_MCAST
detailed listing:
executing program 0:
r0 = socket$nl_rdma(0x10, 0x3, 0x14)
sendmsg$RDMA_NLDEV_CMD_NEWLINK(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000180)=ANY=[@ANYBLOB="380000000314230c2abd7000ff05df250900020073797a310000000008004100727865001400330073797a5f74756e"], 0x38}, 0x1, 0x0, 0x0, 0x48845}, 0x20000094)
r1 = openat$rdma_cm(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0)
write$RDMA_USER_CM_CMD_CREATE_ID(r1, &(0x7f00000001c0)={0x0, 0x18, 0xfa00, {0x3, &(0x7f0000000100)={<r2=>0xffffffffffffffff}, 0x13f, 0x4}}, 0x20)
write$RDMA_USER_CM_CMD_BIND_IP(r1, &(0x7f0000000180)={0x2, 0x28, 0xfa00, {0x0, {0xa, 0x4e21, 0x8, @local, 0x12}, r2}}, 0x30)
write$RDMA_USER_CM_CMD_JOIN_MCAST(r1, 0x0, 0x0)
write$RDMA_USER_CM_CMD_JOIN_MCAST(r1, &(0x7f0000000900)={0x16, 0x98, 0xfa00, {0x0, 0x4, r2, 0x10, 0x0, @in={0x2, 0x6e23, @broadcast}}}, 0xa0)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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}}): socket$nl_rdma-sendmsg$RDMA_NLDEV_CMD_NEWLINK-openat$rdma_cm-write$RDMA_USER_CM_CMD_CREATE_ID-write$RDMA_USER_CM_CMD_BIND_IP-write$RDMA_USER_CM_CMD_JOIN_MCAST-write$RDMA_USER_CM_CMD_JOIN_MCAST
detailed listing:
executing program 0:
r0 = socket$nl_rdma(0x10, 0x3, 0x14)
sendmsg$RDMA_NLDEV_CMD_NEWLINK(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000180)=ANY=[@ANYBLOB="380000000314230c2abd7000ff05df250900020073797a310000000008004100727865001400330073797a5f74756e"], 0x38}, 0x1, 0x0, 0x0, 0x48845}, 0x20000094)
r1 = openat$rdma_cm(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0)
write$RDMA_USER_CM_CMD_CREATE_ID(r1, &(0x7f00000001c0)={0x0, 0x18, 0xfa00, {0x3, &(0x7f0000000100)={<r2=>0xffffffffffffffff}, 0x13f, 0x4}}, 0x20)
write$RDMA_USER_CM_CMD_BIND_IP(r1, &(0x7f0000000180)={0x2, 0x28, 0xfa00, {0x0, {0xa, 0x4e21, 0x8, @local, 0x12}, r2}}, 0x30)
write$RDMA_USER_CM_CMD_JOIN_MCAST(r1, &(0x7f0000000900)={0x16, 0x98, 0xfa00, {0x0, 0x4, r2, 0x10, 0x0, @in={0x2, 0x6e23, @broadcast}}}, 0xa0)
write$RDMA_USER_CM_CMD_JOIN_MCAST(r1, 0x0, 0x0)

program did not crash
extracting C reproducer
testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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}}): socket$nl_rdma-sendmsg$RDMA_NLDEV_CMD_NEWLINK-openat$rdma_cm-write$RDMA_USER_CM_CMD_CREATE_ID-write$RDMA_USER_CM_CMD_BIND_IP-write$RDMA_USER_CM_CMD_JOIN_MCAST-write$RDMA_USER_CM_CMD_JOIN_MCAST
program crashed: no output from test machine
a never seen crash title: no output from test machine, ignore
simplifying guilty program options
testing program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_rdma-sendmsg$RDMA_NLDEV_CMD_NEWLINK-openat$rdma_cm-write$RDMA_USER_CM_CMD_CREATE_ID-write$RDMA_USER_CM_CMD_BIND_IP-write$RDMA_USER_CM_CMD_JOIN_MCAST-write$RDMA_USER_CM_CMD_JOIN_MCAST
detailed listing:
executing program 0:
r0 = socket$nl_rdma(0x10, 0x3, 0x14)
sendmsg$RDMA_NLDEV_CMD_NEWLINK(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000180)=ANY=[@ANYBLOB="380000000314230c2abd7000ff05df250900020073797a310000000008004100727865001400330073797a5f74756e"], 0x38}, 0x1, 0x0, 0x0, 0x48845}, 0x20000094)
r1 = openat$rdma_cm(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0)
write$RDMA_USER_CM_CMD_CREATE_ID(r1, &(0x7f00000001c0)={0x0, 0x18, 0xfa00, {0x3, &(0x7f0000000100)={<r2=>0xffffffffffffffff}, 0x13f, 0x4}}, 0x20)
write$RDMA_USER_CM_CMD_BIND_IP(r1, &(0x7f0000000180)={0x2, 0x28, 0xfa00, {0x0, {0xa, 0x4e21, 0x8, @local, 0x12}, r2}}, 0x30)
write$RDMA_USER_CM_CMD_JOIN_MCAST(r1, &(0x7f0000000900)={0x16, 0x98, 0xfa00, {0x0, 0x4, r2, 0x10, 0x0, @in={0x2, 0x6e23, @broadcast}}}, 0xa0)
write$RDMA_USER_CM_CMD_JOIN_MCAST(r1, &(0x7f0000000900)={0x16, 0x98, 0xfa00, {0x0, 0x4, r2, 0x10, 0x0, @in={0x2, 0x6e23, @broadcast}}}, 0xa0)

program did not crash
testing program (duration=6m0s, {Threaded:true 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}}): socket$nl_rdma-sendmsg$RDMA_NLDEV_CMD_NEWLINK-openat$rdma_cm-write$RDMA_USER_CM_CMD_CREATE_ID-write$RDMA_USER_CM_CMD_BIND_IP-write$RDMA_USER_CM_CMD_JOIN_MCAST-write$RDMA_USER_CM_CMD_JOIN_MCAST
detailed listing:
executing program 0:
r0 = socket$nl_rdma(0x10, 0x3, 0x14)
sendmsg$RDMA_NLDEV_CMD_NEWLINK(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000180)=ANY=[@ANYBLOB="380000000314230c2abd7000ff05df250900020073797a310000000008004100727865001400330073797a5f74756e"], 0x38}, 0x1, 0x0, 0x0, 0x48845}, 0x20000094)
r1 = openat$rdma_cm(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0)
write$RDMA_USER_CM_CMD_CREATE_ID(r1, &(0x7f00000001c0)={0x0, 0x18, 0xfa00, {0x3, &(0x7f0000000100)={<r2=>0xffffffffffffffff}, 0x13f, 0x4}}, 0x20)
write$RDMA_USER_CM_CMD_BIND_IP(r1, &(0x7f0000000180)={0x2, 0x28, 0xfa00, {0x0, {0xa, 0x4e21, 0x8, @local, 0x12}, r2}}, 0x30)
write$RDMA_USER_CM_CMD_JOIN_MCAST(r1, &(0x7f0000000900)={0x16, 0x98, 0xfa00, {0x0, 0x4, r2, 0x10, 0x0, @in={0x2, 0x6e23, @broadcast}}}, 0xa0)
write$RDMA_USER_CM_CMD_JOIN_MCAST(r1, &(0x7f0000000900)={0x16, 0x98, 0xfa00, {0x0, 0x4, r2, 0x10, 0x0, @in={0x2, 0x6e23, @broadcast}}}, 0xa0)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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}}): socket$nl_rdma-sendmsg$RDMA_NLDEV_CMD_NEWLINK-openat$rdma_cm-write$RDMA_USER_CM_CMD_CREATE_ID-write$RDMA_USER_CM_CMD_BIND_IP-write$RDMA_USER_CM_CMD_JOIN_MCAST-write$RDMA_USER_CM_CMD_JOIN_MCAST
detailed listing:
executing program 0:
r0 = socket$nl_rdma(0x10, 0x3, 0x14)
sendmsg$RDMA_NLDEV_CMD_NEWLINK(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000180)=ANY=[@ANYBLOB="380000000314230c2abd7000ff05df250900020073797a310000000008004100727865001400330073797a5f74756e"], 0x38}, 0x1, 0x0, 0x0, 0x48845}, 0x20000094)
r1 = openat$rdma_cm(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0)
write$RDMA_USER_CM_CMD_CREATE_ID(r1, &(0x7f00000001c0)={0x0, 0x18, 0xfa00, {0x3, &(0x7f0000000100)={<r2=>0xffffffffffffffff}, 0x13f, 0x4}}, 0x20)
write$RDMA_USER_CM_CMD_BIND_IP(r1, &(0x7f0000000180)={0x2, 0x28, 0xfa00, {0x0, {0xa, 0x4e21, 0x8, @local, 0x12}, r2}}, 0x30)
write$RDMA_USER_CM_CMD_JOIN_MCAST(r1, &(0x7f0000000900)={0x16, 0x98, 0xfa00, {0x0, 0x4, r2, 0x10, 0x0, @in={0x2, 0x6e23, @broadcast}}}, 0xa0)
write$RDMA_USER_CM_CMD_JOIN_MCAST(r1, &(0x7f0000000900)={0x16, 0x98, 0xfa00, {0x0, 0x4, r2, 0x10, 0x0, @in={0x2, 0x6e23, @broadcast}}}, 0xa0)

program crashed: KASAN: slab-use-after-free Read in ucma_create_uevent
validation run: crashed=true
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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}}): socket$nl_rdma-sendmsg$RDMA_NLDEV_CMD_NEWLINK-openat$rdma_cm-write$RDMA_USER_CM_CMD_CREATE_ID-write$RDMA_USER_CM_CMD_BIND_IP-write$RDMA_USER_CM_CMD_JOIN_MCAST-write$RDMA_USER_CM_CMD_JOIN_MCAST
detailed listing:
executing program 0:
r0 = socket$nl_rdma(0x10, 0x3, 0x14)
sendmsg$RDMA_NLDEV_CMD_NEWLINK(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000180)=ANY=[@ANYBLOB="380000000314230c2abd7000ff05df250900020073797a310000000008004100727865001400330073797a5f74756e"], 0x38}, 0x1, 0x0, 0x0, 0x48845}, 0x20000094)
r1 = openat$rdma_cm(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0)
write$RDMA_USER_CM_CMD_CREATE_ID(r1, &(0x7f00000001c0)={0x0, 0x18, 0xfa00, {0x3, &(0x7f0000000100)={<r2=>0xffffffffffffffff}, 0x13f, 0x4}}, 0x20)
write$RDMA_USER_CM_CMD_BIND_IP(r1, &(0x7f0000000180)={0x2, 0x28, 0xfa00, {0x0, {0xa, 0x4e21, 0x8, @local, 0x12}, r2}}, 0x30)
write$RDMA_USER_CM_CMD_JOIN_MCAST(r1, &(0x7f0000000900)={0x16, 0x98, 0xfa00, {0x0, 0x4, r2, 0x10, 0x0, @in={0x2, 0x6e23, @broadcast}}}, 0xa0)
write$RDMA_USER_CM_CMD_JOIN_MCAST(r1, &(0x7f0000000900)={0x16, 0x98, 0xfa00, {0x0, 0x4, r2, 0x10, 0x0, @in={0x2, 0x6e23, @broadcast}}}, 0xa0)

program crashed: KASAN: slab-use-after-free Read in ucma_create_uevent
validation run: crashed=true
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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}}): socket$nl_rdma-sendmsg$RDMA_NLDEV_CMD_NEWLINK-openat$rdma_cm-write$RDMA_USER_CM_CMD_CREATE_ID-write$RDMA_USER_CM_CMD_BIND_IP-write$RDMA_USER_CM_CMD_JOIN_MCAST-write$RDMA_USER_CM_CMD_JOIN_MCAST
detailed listing:
executing program 0:
r0 = socket$nl_rdma(0x10, 0x3, 0x14)
sendmsg$RDMA_NLDEV_CMD_NEWLINK(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000180)=ANY=[@ANYBLOB="380000000314230c2abd7000ff05df250900020073797a310000000008004100727865001400330073797a5f74756e"], 0x38}, 0x1, 0x0, 0x0, 0x48845}, 0x20000094)
r1 = openat$rdma_cm(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0)
write$RDMA_USER_CM_CMD_CREATE_ID(r1, &(0x7f00000001c0)={0x0, 0x18, 0xfa00, {0x3, &(0x7f0000000100)={<r2=>0xffffffffffffffff}, 0x13f, 0x4}}, 0x20)
write$RDMA_USER_CM_CMD_BIND_IP(r1, &(0x7f0000000180)={0x2, 0x28, 0xfa00, {0x0, {0xa, 0x4e21, 0x8, @local, 0x12}, r2}}, 0x30)
write$RDMA_USER_CM_CMD_JOIN_MCAST(r1, &(0x7f0000000900)={0x16, 0x98, 0xfa00, {0x0, 0x4, r2, 0x10, 0x0, @in={0x2, 0x6e23, @broadcast}}}, 0xa0)
write$RDMA_USER_CM_CMD_JOIN_MCAST(r1, &(0x7f0000000900)={0x16, 0x98, 0xfa00, {0x0, 0x4, r2, 0x10, 0x0, @in={0x2, 0x6e23, @broadcast}}}, 0xa0)

program crashed: KASAN: slab-use-after-free Read in ucma_create_uevent
validation run: crashed=true
reproducing took 2h18m26.081594779s
repro crashed as (corrupted=false):
==================================================================
BUG: KASAN: slab-use-after-free in ucma_create_uevent+0x106/0xa60 drivers/infiniband/core/ucma.c:275
Read of size 8 at addr ffff888011f78d10 by task kworker/u8:4/78

CPU: 1 UID: 0 PID: 78 Comm: kworker/u8:4 Not tainted 6.16.0-rc5-next-20250711-syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
Workqueue: rdma_cm cma_iboe_join_work_handler
Call Trace:
 <TASK>
 dump_stack_lvl+0x189/0x250 lib/dump_stack.c:120
 print_address_description mm/kasan/report.c:378 [inline]
 print_report+0xca/0x230 mm/kasan/report.c:480
 kasan_report+0x118/0x150 mm/kasan/report.c:593
 ucma_create_uevent+0x106/0xa60 drivers/infiniband/core/ucma.c:275
 ucma_event_handler+0x131/0x980 drivers/infiniband/core/ucma.c:351
 cma_cm_event_handler+0xa9/0x2d0 drivers/infiniband/core/cma.c:2173
 cma_iboe_join_work_handler+0xcb/0x1c0 drivers/infiniband/core/cma.c:3008
 process_one_work kernel/workqueue.c:3239 [inline]
 process_scheduled_works+0xade/0x17b0 kernel/workqueue.c:3322
 worker_thread+0x8a0/0xda0 kernel/workqueue.c:3403
 kthread+0x711/0x8a0 kernel/kthread.c:463
 ret_from_fork+0x3f9/0x770 arch/x86/kernel/process.c:148
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>

Allocated by task 12029:
 kasan_save_stack mm/kasan/common.c:47 [inline]
 kasan_save_track+0x3e/0x80 mm/kasan/common.c:68
 poison_kmalloc_redzone mm/kasan/common.c:377 [inline]
 __kasan_kmalloc+0x93/0xb0 mm/kasan/common.c:394
 kasan_kmalloc include/linux/kasan.h:260 [inline]
 __kmalloc_cache_noprof+0x230/0x3d0 mm/slub.c:4396
 kmalloc_noprof include/linux/slab.h:905 [inline]
 kzalloc_noprof include/linux/slab.h:1039 [inline]
 ucma_process_join+0x234/0x9e0 drivers/infiniband/core/ucma.c:1465
 ucma_join_multicast+0xf9/0x160 drivers/infiniband/core/ucma.c:1557
 ucma_write+0x246/0x2e0 drivers/infiniband/core/ucma.c:1738
 vfs_write+0x27b/0xa90 fs/read_write.c:684
 ksys_write+0x145/0x250 fs/read_write.c:738
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

Freed by task 12029:
 kasan_save_stack mm/kasan/common.c:47 [inline]
 kasan_save_track+0x3e/0x80 mm/kasan/common.c:68
 kasan_save_free_info+0x46/0x50 mm/kasan/generic.c:576
 poison_slab_object mm/kasan/common.c:247 [inline]
 __kasan_slab_free+0x62/0x70 mm/kasan/common.c:264
 kasan_slab_free include/linux/kasan.h:233 [inline]
 slab_free_hook mm/slub.c:2417 [inline]
 slab_free mm/slub.c:4680 [inline]
 kfree+0x18e/0x440 mm/slub.c:4879
 ucma_process_join+0x7e5/0x9e0 drivers/infiniband/core/ucma.c:1516
 ucma_join_multicast+0xf9/0x160 drivers/infiniband/core/ucma.c:1557
 ucma_write+0x246/0x2e0 drivers/infiniband/core/ucma.c:1738
 vfs_write+0x27b/0xa90 fs/read_write.c:684
 ksys_write+0x145/0x250 fs/read_write.c:738
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

The buggy address belongs to the object at ffff888011f78d00
 which belongs to the cache kmalloc-192 of size 192
The buggy address is located 16 bytes inside of
 freed 192-byte region [ffff888011f78d00, ffff888011f78dc0)

The buggy address belongs to the physical page:
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x11f78
flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
page_type: f5(slab)
raw: 00fff00000000000 ffff88801a8413c0 ffffea0001dafa00 dead000000000004
raw: 0000000000000000 0000000000100010 00000000f5000000 0000000000000000
page dumped because: kasan: bad access detected
page_owner tracks the page as allocated
page last allocated via order 0, migratetype Unmovable, gfp_mask 0x52cc0(GFP_KERNEL|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP), pid 5981, tgid 5981 (syz-executor), ts 140967621104, free_ts 140908218073
 set_page_owner include/linux/page_owner.h:32 [inline]
 post_alloc_hook+0x240/0x2a0 mm/page_alloc.c:1851
 prep_new_page mm/page_alloc.c:1859 [inline]
 get_page_from_freelist+0x21e4/0x22c0 mm/page_alloc.c:3858
 __alloc_frozen_pages_noprof+0x181/0x370 mm/page_alloc.c:5148
 alloc_pages_mpol+0x232/0x4a0 mm/mempolicy.c:2419
 alloc_slab_page mm/slub.c:2487 [inline]
 allocate_slab+0x8a/0x370 mm/slub.c:2655
 new_slab mm/slub.c:2709 [inline]
 ___slab_alloc+0xbeb/0x1410 mm/slub.c:3891
 __slab_alloc mm/slub.c:3981 [inline]
 __slab_alloc_node mm/slub.c:4056 [inline]
 slab_alloc_node mm/slub.c:4217 [inline]
 __do_kmalloc_node mm/slub.c:4364 [inline]
 __kmalloc_node_track_caller_noprof+0x2f8/0x4e0 mm/slub.c:4384
 kmemdup_noprof+0x2b/0x70 mm/util.c:137
 kmemdup_noprof include/linux/fortify-string.h:765 [inline]
 neigh_parms_alloc+0x87/0x510 net/core/neighbour.c:1692
 inetdev_init+0x128/0x500 net/ipv4/devinet.c:280
 inetdev_event+0x301/0x15b0 net/ipv4/devinet.c:1591
 notifier_call_chain+0x1b6/0x3e0 kernel/notifier.c:85
 call_netdevice_notifiers_extack net/core/dev.c:2266 [inline]
 call_netdevice_notifiers net/core/dev.c:2280 [inline]
 register_netdevice+0x1608/0x1ae0 net/core/dev.c:11183
 veth_newlink+0x42f/0xa50 drivers/net/veth.c:1855
 rtnl_newlink_create+0x310/0xb00 net/core/rtnetlink.c:3825
 __rtnl_newlink net/core/rtnetlink.c:3942 [inline]
 rtnl_newlink+0x16d6/0x1c70 net/core/rtnetlink.c:4057
page last free pid 15 tgid 15 stack trace:
 reset_page_owner include/linux/page_owner.h:25 [inline]
 free_pages_prepare mm/page_alloc.c:1395 [inline]
 __free_frozen_pages+0xbc4/0xd30 mm/page_alloc.c:2895
 rcu_do_batch kernel/rcu/tree.c:2584 [inline]
 rcu_core+0xca8/0x1710 kernel/rcu/tree.c:2840
 handle_softirqs+0x283/0x870 kernel/softirq.c:579
 run_ksoftirqd+0x9b/0x100 kernel/softirq.c:968
 smpboot_thread_fn+0x542/0xa60 kernel/smpboot.c:160
 kthread+0x711/0x8a0 kernel/kthread.c:463
 ret_from_fork+0x3f9/0x770 arch/x86/kernel/process.c:148
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245

Memory state around the buggy address:
 ffff888011f78c00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 ffff888011f78c80: 00 00 00 00 00 00 00 05 fc fc fc fc fc fc fc fc
>ffff888011f78d00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
                         ^
 ffff888011f78d80: fb fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc
 ffff888011f78e00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
==================================================================

final repro crashed as (corrupted=false):
==================================================================
BUG: KASAN: slab-use-after-free in ucma_create_uevent+0x106/0xa60 drivers/infiniband/core/ucma.c:275
Read of size 8 at addr ffff888011f78d10 by task kworker/u8:4/78

CPU: 1 UID: 0 PID: 78 Comm: kworker/u8:4 Not tainted 6.16.0-rc5-next-20250711-syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
Workqueue: rdma_cm cma_iboe_join_work_handler
Call Trace:
 <TASK>
 dump_stack_lvl+0x189/0x250 lib/dump_stack.c:120
 print_address_description mm/kasan/report.c:378 [inline]
 print_report+0xca/0x230 mm/kasan/report.c:480
 kasan_report+0x118/0x150 mm/kasan/report.c:593
 ucma_create_uevent+0x106/0xa60 drivers/infiniband/core/ucma.c:275
 ucma_event_handler+0x131/0x980 drivers/infiniband/core/ucma.c:351
 cma_cm_event_handler+0xa9/0x2d0 drivers/infiniband/core/cma.c:2173
 cma_iboe_join_work_handler+0xcb/0x1c0 drivers/infiniband/core/cma.c:3008
 process_one_work kernel/workqueue.c:3239 [inline]
 process_scheduled_works+0xade/0x17b0 kernel/workqueue.c:3322
 worker_thread+0x8a0/0xda0 kernel/workqueue.c:3403
 kthread+0x711/0x8a0 kernel/kthread.c:463
 ret_from_fork+0x3f9/0x770 arch/x86/kernel/process.c:148
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>

Allocated by task 12029:
 kasan_save_stack mm/kasan/common.c:47 [inline]
 kasan_save_track+0x3e/0x80 mm/kasan/common.c:68
 poison_kmalloc_redzone mm/kasan/common.c:377 [inline]
 __kasan_kmalloc+0x93/0xb0 mm/kasan/common.c:394
 kasan_kmalloc include/linux/kasan.h:260 [inline]
 __kmalloc_cache_noprof+0x230/0x3d0 mm/slub.c:4396
 kmalloc_noprof include/linux/slab.h:905 [inline]
 kzalloc_noprof include/linux/slab.h:1039 [inline]
 ucma_process_join+0x234/0x9e0 drivers/infiniband/core/ucma.c:1465
 ucma_join_multicast+0xf9/0x160 drivers/infiniband/core/ucma.c:1557
 ucma_write+0x246/0x2e0 drivers/infiniband/core/ucma.c:1738
 vfs_write+0x27b/0xa90 fs/read_write.c:684
 ksys_write+0x145/0x250 fs/read_write.c:738
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

Freed by task 12029:
 kasan_save_stack mm/kasan/common.c:47 [inline]
 kasan_save_track+0x3e/0x80 mm/kasan/common.c:68
 kasan_save_free_info+0x46/0x50 mm/kasan/generic.c:576
 poison_slab_object mm/kasan/common.c:247 [inline]
 __kasan_slab_free+0x62/0x70 mm/kasan/common.c:264
 kasan_slab_free include/linux/kasan.h:233 [inline]
 slab_free_hook mm/slub.c:2417 [inline]
 slab_free mm/slub.c:4680 [inline]
 kfree+0x18e/0x440 mm/slub.c:4879
 ucma_process_join+0x7e5/0x9e0 drivers/infiniband/core/ucma.c:1516
 ucma_join_multicast+0xf9/0x160 drivers/infiniband/core/ucma.c:1557
 ucma_write+0x246/0x2e0 drivers/infiniband/core/ucma.c:1738
 vfs_write+0x27b/0xa90 fs/read_write.c:684
 ksys_write+0x145/0x250 fs/read_write.c:738
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

The buggy address belongs to the object at ffff888011f78d00
 which belongs to the cache kmalloc-192 of size 192
The buggy address is located 16 bytes inside of
 freed 192-byte region [ffff888011f78d00, ffff888011f78dc0)

The buggy address belongs to the physical page:
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x11f78
flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
page_type: f5(slab)
raw: 00fff00000000000 ffff88801a8413c0 ffffea0001dafa00 dead000000000004
raw: 0000000000000000 0000000000100010 00000000f5000000 0000000000000000
page dumped because: kasan: bad access detected
page_owner tracks the page as allocated
page last allocated via order 0, migratetype Unmovable, gfp_mask 0x52cc0(GFP_KERNEL|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP), pid 5981, tgid 5981 (syz-executor), ts 140967621104, free_ts 140908218073
 set_page_owner include/linux/page_owner.h:32 [inline]
 post_alloc_hook+0x240/0x2a0 mm/page_alloc.c:1851
 prep_new_page mm/page_alloc.c:1859 [inline]
 get_page_from_freelist+0x21e4/0x22c0 mm/page_alloc.c:3858
 __alloc_frozen_pages_noprof+0x181/0x370 mm/page_alloc.c:5148
 alloc_pages_mpol+0x232/0x4a0 mm/mempolicy.c:2419
 alloc_slab_page mm/slub.c:2487 [inline]
 allocate_slab+0x8a/0x370 mm/slub.c:2655
 new_slab mm/slub.c:2709 [inline]
 ___slab_alloc+0xbeb/0x1410 mm/slub.c:3891
 __slab_alloc mm/slub.c:3981 [inline]
 __slab_alloc_node mm/slub.c:4056 [inline]
 slab_alloc_node mm/slub.c:4217 [inline]
 __do_kmalloc_node mm/slub.c:4364 [inline]
 __kmalloc_node_track_caller_noprof+0x2f8/0x4e0 mm/slub.c:4384
 kmemdup_noprof+0x2b/0x70 mm/util.c:137
 kmemdup_noprof include/linux/fortify-string.h:765 [inline]
 neigh_parms_alloc+0x87/0x510 net/core/neighbour.c:1692
 inetdev_init+0x128/0x500 net/ipv4/devinet.c:280
 inetdev_event+0x301/0x15b0 net/ipv4/devinet.c:1591
 notifier_call_chain+0x1b6/0x3e0 kernel/notifier.c:85
 call_netdevice_notifiers_extack net/core/dev.c:2266 [inline]
 call_netdevice_notifiers net/core/dev.c:2280 [inline]
 register_netdevice+0x1608/0x1ae0 net/core/dev.c:11183
 veth_newlink+0x42f/0xa50 drivers/net/veth.c:1855
 rtnl_newlink_create+0x310/0xb00 net/core/rtnetlink.c:3825
 __rtnl_newlink net/core/rtnetlink.c:3942 [inline]
 rtnl_newlink+0x16d6/0x1c70 net/core/rtnetlink.c:4057
page last free pid 15 tgid 15 stack trace:
 reset_page_owner include/linux/page_owner.h:25 [inline]
 free_pages_prepare mm/page_alloc.c:1395 [inline]
 __free_frozen_pages+0xbc4/0xd30 mm/page_alloc.c:2895
 rcu_do_batch kernel/rcu/tree.c:2584 [inline]
 rcu_core+0xca8/0x1710 kernel/rcu/tree.c:2840
 handle_softirqs+0x283/0x870 kernel/softirq.c:579
 run_ksoftirqd+0x9b/0x100 kernel/softirq.c:968
 smpboot_thread_fn+0x542/0xa60 kernel/smpboot.c:160
 kthread+0x711/0x8a0 kernel/kthread.c:463
 ret_from_fork+0x3f9/0x770 arch/x86/kernel/process.c:148
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245

Memory state around the buggy address:
 ffff888011f78c00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 ffff888011f78c80: 00 00 00 00 00 00 00 05 fc fc fc fc fc fc fc fc
>ffff888011f78d00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
                         ^
 ffff888011f78d80: fb fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc
 ffff888011f78e00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
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