Extracting prog: 3m46.262756412s
Minimizing prog: 1h48m54.653239383s
Simplifying prog options: 12m16.129386143s
Extracting C: 5m16.076949072s
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: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 CallComments:true 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: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 CallComments:true 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: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 CallComments:true 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: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 CallComments:true 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: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 CallComments:true 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: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 CallComments:true 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: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 CallComments:true 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: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 CallComments:true 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: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 CallComments:true 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: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 CallComments:true 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: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 CallComments:true 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: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 CallComments:true 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: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 CallComments:true 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: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 CallComments:true 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: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 CallComments:true 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: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 CallComments:true 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: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 CallComments:true 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: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 CallComments:true 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: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 CallComments:true 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: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 CallComments:true 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: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 CallComments:true 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$RDMA_USER_CM_CMD_JOIN_MCAST
program crashed: no output from test machine
a never seen crash title: no output from test machine, ignore
simplifying guilty program options
testing program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$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 CallComments:true 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: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 CallComments:true 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: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 CallComments:true 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: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 CallComments:true 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 2h16m59.103683789s
repro crashed as (corrupted=false):
==================================================================
BUG: KASAN: slab-use-after-free in ucma_create_uevent+0x116/0xbe0 drivers/infiniband/core/ucma.c:275
Read of size 8 at addr ffff888034e13e10 by task kworker/u8:9/176

CPU: 0 UID: 0 PID: 176 Comm: kworker/u8:9 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
Workqueue: rdma_cm cma_iboe_join_work_handler
Call Trace:
 <TASK>
 dump_stack_lvl+0xe8/0x150 lib/dump_stack.c:120
 print_address_description+0x55/0x1e0 mm/kasan/report.c:378
 print_report+0x58/0x70 mm/kasan/report.c:482
 kasan_report+0x117/0x150 mm/kasan/report.c:595
 ucma_create_uevent+0x116/0xbe0 drivers/infiniband/core/ucma.c:275
 ucma_event_handler+0x131/0x9a0 drivers/infiniband/core/ucma.c:356
 cma_cm_event_handler+0xac/0x2c0 drivers/infiniband/core/cma.c:2181
 cma_iboe_join_work_handler+0xcb/0x1c0 drivers/infiniband/core/cma.c:3017
 process_one_work+0x9a3/0x1710 kernel/workqueue.c:3312
 process_scheduled_works kernel/workqueue.c:3403 [inline]
 worker_thread+0xba8/0x11e0 kernel/workqueue.c:3489
 kthread+0x388/0x470 kernel/kthread.c:436
 ret_from_fork+0x514/0xb70 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>

Allocated by task 13220:
 kasan_save_stack mm/kasan/common.c:57 [inline]
 kasan_save_track+0x3e/0x80 mm/kasan/common.c:78
 poison_kmalloc_redzone mm/kasan/common.c:398 [inline]
 __kasan_kmalloc+0x93/0xb0 mm/kasan/common.c:415
 kasan_kmalloc include/linux/kasan.h:263 [inline]
 __kmalloc_cache_noprof+0x3a6/0x690 mm/slub.c:5415
 kmalloc_noprof include/linux/slab.h:950 [inline]
 kzalloc_noprof include/linux/slab.h:1188 [inline]
 ucma_process_join+0x33e/0xb30 drivers/infiniband/core/ucma.c:1532
 ucma_join_multicast+0x138/0x1c0 drivers/infiniband/core/ucma.c:1624
 ucma_write+0x257/0x2f0 drivers/infiniband/core/ucma.c:1856
 vfs_write+0x2a3/0xba0 fs/read_write.c:686
 ksys_write+0x156/0x270 fs/read_write.c:740
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x15f/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

Freed by task 13220:
 kasan_save_stack mm/kasan/common.c:57 [inline]
 kasan_save_track+0x3e/0x80 mm/kasan/common.c:78
 kasan_save_free_info+0x46/0x50 mm/kasan/generic.c:584
 poison_slab_object mm/kasan/common.c:253 [inline]
 __kasan_slab_free+0x5c/0x80 mm/kasan/common.c:285
 kasan_slab_free include/linux/kasan.h:235 [inline]
 slab_free_hook mm/slub.c:2689 [inline]
 slab_free mm/slub.c:6246 [inline]
 kfree+0x1c5/0x6c0 mm/slub.c:6561
 ucma_process_join+0x922/0xb30 drivers/infiniband/core/ucma.c:1583
 ucma_join_multicast+0x138/0x1c0 drivers/infiniband/core/ucma.c:1624
 ucma_write+0x257/0x2f0 drivers/infiniband/core/ucma.c:1856
 vfs_write+0x2a3/0xba0 fs/read_write.c:686
 ksys_write+0x156/0x270 fs/read_write.c:740
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x15f/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

The buggy address belongs to the object at ffff888034e13e00
 which belongs to the cache kmalloc-192 of size 192
The buggy address is located 16 bytes inside of
 freed 192-byte region [ffff888034e13e00, ffff888034e13ec0)

The buggy address belongs to the physical page:
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x34e13
flags: 0x80000000000000(node=0|zone=1)
page_type: f5(slab)
raw: 0080000000000000 ffff88813fe143c0 dead000000000100 dead000000000122
raw: 0000000000000000 0000000800100010 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 0xd2cc0(GFP_KERNEL|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 1, tgid 1 (swapper/0), ts 24874535964, free_ts 24866913167
 set_page_owner include/linux/page_owner.h:32 [inline]
 post_alloc_hook+0x22d/0x280 mm/page_alloc.c:1858
 prep_new_page mm/page_alloc.c:1866 [inline]
 get_page_from_freelist+0x27d6/0x2850 mm/page_alloc.c:3946
 __alloc_frozen_pages_noprof+0x18d/0x380 mm/page_alloc.c:5226
 alloc_slab_page mm/slub.c:3278 [inline]
 allocate_slab+0x77/0x660 mm/slub.c:3467
 new_slab mm/slub.c:3525 [inline]
 refill_objects+0x33c/0x3d0 mm/slub.c:7251
 refill_sheaf mm/slub.c:2816 [inline]
 __pcs_replace_empty_main+0x373/0x720 mm/slub.c:4651
 alloc_from_pcs mm/slub.c:4749 [inline]
 slab_alloc_node mm/slub.c:4883 [inline]
 __kmalloc_cache_noprof+0x44e/0x690 mm/slub.c:5410
 kmalloc_noprof include/linux/slab.h:950 [inline]
 kzalloc_noprof include/linux/slab.h:1188 [inline]
 call_usermodehelper_setup+0x8e/0x270 kernel/umh.c:362
 kobject_uevent_env+0x65b/0x9e0 lib/kobject_uevent.c:631
 kernel_add_sysfs_param+0xb1/0xe0 kernel/params.c:801
 param_sysfs_builtin+0x199/0x250 kernel/params.c:836
 param_sysfs_builtin_init+0x23/0x30 kernel/params.c:972
 do_one_initcall+0x250/0x870 init/main.c:1392
 do_initcall_level+0x104/0x190 init/main.c:1454
 do_initcalls+0x59/0xa0 init/main.c:1470
 kernel_init_freeable+0x2a6/0x3e0 init/main.c:1703
page last free pid 3141 tgid 3141 stack trace:
 reset_page_owner include/linux/page_owner.h:25 [inline]
 __free_pages_prepare mm/page_alloc.c:1402 [inline]
 __free_frozen_pages+0xf9b/0x10f0 mm/page_alloc.c:2943
 vfree+0x251/0x3b0 mm/vmalloc.c:3472
 delayed_vfree_work+0x55/0x80 mm/vmalloc.c:3392
 process_one_work+0x9a3/0x1710 kernel/workqueue.c:3312
 process_scheduled_works kernel/workqueue.c:3403 [inline]
 worker_thread+0xba8/0x11e0 kernel/workqueue.c:3489
 kthread+0x388/0x470 kernel/kthread.c:436
 ret_from_fork+0x514/0xb70 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245

Memory state around the buggy address:
 ffff888034e13d00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 ffff888034e13d80: 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc fc
>ffff888034e13e00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
                         ^
 ffff888034e13e80: fb fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc
 ffff888034e13f00: 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+0x116/0xbe0 drivers/infiniband/core/ucma.c:275
Read of size 8 at addr ffff888034e13e10 by task kworker/u8:9/176

CPU: 0 UID: 0 PID: 176 Comm: kworker/u8:9 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
Workqueue: rdma_cm cma_iboe_join_work_handler
Call Trace:
 <TASK>
 dump_stack_lvl+0xe8/0x150 lib/dump_stack.c:120
 print_address_description+0x55/0x1e0 mm/kasan/report.c:378
 print_report+0x58/0x70 mm/kasan/report.c:482
 kasan_report+0x117/0x150 mm/kasan/report.c:595
 ucma_create_uevent+0x116/0xbe0 drivers/infiniband/core/ucma.c:275
 ucma_event_handler+0x131/0x9a0 drivers/infiniband/core/ucma.c:356
 cma_cm_event_handler+0xac/0x2c0 drivers/infiniband/core/cma.c:2181
 cma_iboe_join_work_handler+0xcb/0x1c0 drivers/infiniband/core/cma.c:3017
 process_one_work+0x9a3/0x1710 kernel/workqueue.c:3312
 process_scheduled_works kernel/workqueue.c:3403 [inline]
 worker_thread+0xba8/0x11e0 kernel/workqueue.c:3489
 kthread+0x388/0x470 kernel/kthread.c:436
 ret_from_fork+0x514/0xb70 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>

Allocated by task 13220:
 kasan_save_stack mm/kasan/common.c:57 [inline]
 kasan_save_track+0x3e/0x80 mm/kasan/common.c:78
 poison_kmalloc_redzone mm/kasan/common.c:398 [inline]
 __kasan_kmalloc+0x93/0xb0 mm/kasan/common.c:415
 kasan_kmalloc include/linux/kasan.h:263 [inline]
 __kmalloc_cache_noprof+0x3a6/0x690 mm/slub.c:5415
 kmalloc_noprof include/linux/slab.h:950 [inline]
 kzalloc_noprof include/linux/slab.h:1188 [inline]
 ucma_process_join+0x33e/0xb30 drivers/infiniband/core/ucma.c:1532
 ucma_join_multicast+0x138/0x1c0 drivers/infiniband/core/ucma.c:1624
 ucma_write+0x257/0x2f0 drivers/infiniband/core/ucma.c:1856
 vfs_write+0x2a3/0xba0 fs/read_write.c:686
 ksys_write+0x156/0x270 fs/read_write.c:740
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x15f/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

Freed by task 13220:
 kasan_save_stack mm/kasan/common.c:57 [inline]
 kasan_save_track+0x3e/0x80 mm/kasan/common.c:78
 kasan_save_free_info+0x46/0x50 mm/kasan/generic.c:584
 poison_slab_object mm/kasan/common.c:253 [inline]
 __kasan_slab_free+0x5c/0x80 mm/kasan/common.c:285
 kasan_slab_free include/linux/kasan.h:235 [inline]
 slab_free_hook mm/slub.c:2689 [inline]
 slab_free mm/slub.c:6246 [inline]
 kfree+0x1c5/0x6c0 mm/slub.c:6561
 ucma_process_join+0x922/0xb30 drivers/infiniband/core/ucma.c:1583
 ucma_join_multicast+0x138/0x1c0 drivers/infiniband/core/ucma.c:1624
 ucma_write+0x257/0x2f0 drivers/infiniband/core/ucma.c:1856
 vfs_write+0x2a3/0xba0 fs/read_write.c:686
 ksys_write+0x156/0x270 fs/read_write.c:740
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x15f/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

The buggy address belongs to the object at ffff888034e13e00
 which belongs to the cache kmalloc-192 of size 192
The buggy address is located 16 bytes inside of
 freed 192-byte region [ffff888034e13e00, ffff888034e13ec0)

The buggy address belongs to the physical page:
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x34e13
flags: 0x80000000000000(node=0|zone=1)
page_type: f5(slab)
raw: 0080000000000000 ffff88813fe143c0 dead000000000100 dead000000000122
raw: 0000000000000000 0000000800100010 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 0xd2cc0(GFP_KERNEL|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 1, tgid 1 (swapper/0), ts 24874535964, free_ts 24866913167
 set_page_owner include/linux/page_owner.h:32 [inline]
 post_alloc_hook+0x22d/0x280 mm/page_alloc.c:1858
 prep_new_page mm/page_alloc.c:1866 [inline]
 get_page_from_freelist+0x27d6/0x2850 mm/page_alloc.c:3946
 __alloc_frozen_pages_noprof+0x18d/0x380 mm/page_alloc.c:5226
 alloc_slab_page mm/slub.c:3278 [inline]
 allocate_slab+0x77/0x660 mm/slub.c:3467
 new_slab mm/slub.c:3525 [inline]
 refill_objects+0x33c/0x3d0 mm/slub.c:7251
 refill_sheaf mm/slub.c:2816 [inline]
 __pcs_replace_empty_main+0x373/0x720 mm/slub.c:4651
 alloc_from_pcs mm/slub.c:4749 [inline]
 slab_alloc_node mm/slub.c:4883 [inline]
 __kmalloc_cache_noprof+0x44e/0x690 mm/slub.c:5410
 kmalloc_noprof include/linux/slab.h:950 [inline]
 kzalloc_noprof include/linux/slab.h:1188 [inline]
 call_usermodehelper_setup+0x8e/0x270 kernel/umh.c:362
 kobject_uevent_env+0x65b/0x9e0 lib/kobject_uevent.c:631
 kernel_add_sysfs_param+0xb1/0xe0 kernel/params.c:801
 param_sysfs_builtin+0x199/0x250 kernel/params.c:836
 param_sysfs_builtin_init+0x23/0x30 kernel/params.c:972
 do_one_initcall+0x250/0x870 init/main.c:1392
 do_initcall_level+0x104/0x190 init/main.c:1454
 do_initcalls+0x59/0xa0 init/main.c:1470
 kernel_init_freeable+0x2a6/0x3e0 init/main.c:1703
page last free pid 3141 tgid 3141 stack trace:
 reset_page_owner include/linux/page_owner.h:25 [inline]
 __free_pages_prepare mm/page_alloc.c:1402 [inline]
 __free_frozen_pages+0xf9b/0x10f0 mm/page_alloc.c:2943
 vfree+0x251/0x3b0 mm/vmalloc.c:3472
 delayed_vfree_work+0x55/0x80 mm/vmalloc.c:3392
 process_one_work+0x9a3/0x1710 kernel/workqueue.c:3312
 process_scheduled_works kernel/workqueue.c:3403 [inline]
 worker_thread+0xba8/0x11e0 kernel/workqueue.c:3489
 kthread+0x388/0x470 kernel/kthread.c:436
 ret_from_fork+0x514/0xb70 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245

Memory state around the buggy address:
 ffff888034e13d00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 ffff888034e13d80: 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc fc
>ffff888034e13e00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
                         ^
 ffff888034e13e80: fb fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc
 ffff888034e13f00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
==================================================================