Extracting prog: 4m15.285410262s Minimizing prog: 1h28m28.866046645s Simplifying prog options: 8m39.205602173s Extracting C: 5m13.188920937s Simplifying C: 0s extracting reproducer from 30 programs first checking the prog from the crash report 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}}): bpf$MAP_CREATE_CONST_STR-perf_event_open-perf_event_open-socket$kcm-ioctl$PERF_EVENT_IOC_PAUSE_OUTPUT-bpf$PROG_LOAD-bpf$PROG_LOAD_XDP-socket$kcm-sendmsg$kcm-ioctl$PERF_EVENT_IOC_PERIOD-ioctl$SIOCSIFHWADDR-ioctl$PERF_EVENT_IOC_SET_FILTER-socket$kcm-ioctl$SIOCSIFHWADDR-openat$cgroup_ro-close-socket$kcm-ioctl$PERF_EVENT_IOC_MODIFY_ATTRIBUTES-ioctl$TUNGETVNETLE-bpf$PROG_LOAD detailed listing: executing program 0: bpf$MAP_CREATE_CONST_STR(0x0, 0x0, 0x48) r0 = perf_event_open(&(0x7f0000000140)={0x2, 0x80, 0x1d, 0x1, 0x0, 0x0, 0x0, 0x4, 0xf250c, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, @perf_config_ext={0x0, 0x131}, 0x0, 0x0, 0x0, 0x0, 0x40000, 0x1}, 0x0, 0x1, 0xffffffffffffffff, 0x8) r1 = perf_event_open(&(0x7f0000000480)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x5d31, 0x0, 0x8, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0xfffffffc}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socket$kcm(0x10, 0x2, 0x0) ioctl$PERF_EVENT_IOC_PAUSE_OUTPUT(r1, 0x40042409, 0x1) bpf$PROG_LOAD(0x5, 0x0, 0x0) bpf$PROG_LOAD_XDP(0x5, 0x0, 0x0) r2 = socket$kcm(0x10, 0x3, 0x10) sendmsg$kcm(r2, &(0x7f0000000000)={0x0, 0x0, &(0x7f00000000c0)=[{&(0x7f0000000300)="1400000034000b43d300fff5e700000003d25a80", 0x14}], 0x1}, 0x0) ioctl$PERF_EVENT_IOC_PERIOD(0xffffffffffffffff, 0x40082404, &(0x7f0000000100)=0x2006f8) ioctl$SIOCSIFHWADDR(0xffffffffffffffff, 0x4030582b, &(0x7f0000000000)={'lo\x00', @link_local={0x1, 0x80, 0xc2, 0xc}}) ioctl$PERF_EVENT_IOC_SET_FILTER(r0, 0x40082406, 0x0) r3 = socket$kcm(0x2, 0x3, 0x2) ioctl$SIOCSIFHWADDR(r3, 0x8916, &(0x7f0000000040)={'ip6_vti0\x00', @random="02000400"}) r4 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='blkio.bfq.io_wait_time\x00', 0x26e1, 0x0) close(r4) socket$kcm(0x2, 0x200000000000006, 0x0) ioctl$PERF_EVENT_IOC_MODIFY_ATTRIBUTES(0xffffffffffffffff, 0x4008240b, &(0x7f0000000000)={0x5, 0x80, 0x10, 0xfd, 0x0, 0x0, 0x0, 0x1, 0x90, 0xb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, @perf_bp={0x0, 0x2}, 0xaa32, 0x0, 0xfffffffd, 0x0, 0x5}) ioctl$TUNGETVNETLE(r4, 0x8955, &(0x7f0000000040)) bpf$PROG_LOAD(0x5, 0x0, 0x0) program crashed: INFO: rcu detected stall in security_file_ioctl single: successfully extracted reproducer found reproducer with 20 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}}): bpf$MAP_CREATE_CONST_STR-perf_event_open-perf_event_open-socket$kcm-ioctl$PERF_EVENT_IOC_PAUSE_OUTPUT-bpf$PROG_LOAD-bpf$PROG_LOAD_XDP-socket$kcm-sendmsg$kcm-ioctl$PERF_EVENT_IOC_PERIOD-ioctl$SIOCSIFHWADDR-ioctl$PERF_EVENT_IOC_SET_FILTER-socket$kcm-ioctl$SIOCSIFHWADDR-openat$cgroup_ro-close-socket$kcm-ioctl$PERF_EVENT_IOC_MODIFY_ATTRIBUTES-ioctl$TUNGETVNETLE detailed listing: executing program 0: bpf$MAP_CREATE_CONST_STR(0x0, 0x0, 0x48) r0 = perf_event_open(&(0x7f0000000140)={0x2, 0x80, 0x1d, 0x1, 0x0, 0x0, 0x0, 0x4, 0xf250c, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, @perf_config_ext={0x0, 0x131}, 0x0, 0x0, 0x0, 0x0, 0x40000, 0x1}, 0x0, 0x1, 0xffffffffffffffff, 0x8) r1 = perf_event_open(&(0x7f0000000480)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x5d31, 0x0, 0x8, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0xfffffffc}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socket$kcm(0x10, 0x2, 0x0) ioctl$PERF_EVENT_IOC_PAUSE_OUTPUT(r1, 0x40042409, 0x1) bpf$PROG_LOAD(0x5, 0x0, 0x0) bpf$PROG_LOAD_XDP(0x5, 0x0, 0x0) r2 = socket$kcm(0x10, 0x3, 0x10) sendmsg$kcm(r2, &(0x7f0000000000)={0x0, 0x0, &(0x7f00000000c0)=[{&(0x7f0000000300)="1400000034000b43d300fff5e700000003d25a80", 0x14}], 0x1}, 0x0) ioctl$PERF_EVENT_IOC_PERIOD(0xffffffffffffffff, 0x40082404, &(0x7f0000000100)=0x2006f8) ioctl$SIOCSIFHWADDR(0xffffffffffffffff, 0x4030582b, &(0x7f0000000000)={'lo\x00', @link_local={0x1, 0x80, 0xc2, 0xc}}) ioctl$PERF_EVENT_IOC_SET_FILTER(r0, 0x40082406, 0x0) r3 = socket$kcm(0x2, 0x3, 0x2) ioctl$SIOCSIFHWADDR(r3, 0x8916, &(0x7f0000000040)={'ip6_vti0\x00', @random="02000400"}) r4 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='blkio.bfq.io_wait_time\x00', 0x26e1, 0x0) close(r4) socket$kcm(0x2, 0x200000000000006, 0x0) ioctl$PERF_EVENT_IOC_MODIFY_ATTRIBUTES(0xffffffffffffffff, 0x4008240b, &(0x7f0000000000)={0x5, 0x80, 0x10, 0xfd, 0x0, 0x0, 0x0, 0x1, 0x90, 0xb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, @perf_bp={0x0, 0x2}, 0xaa32, 0x0, 0xfffffffd, 0x0, 0x5}) ioctl$TUNGETVNETLE(r4, 0x8955, &(0x7f0000000040)) program crashed: INFO: rcu detected stall in sys_socket 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}}): bpf$MAP_CREATE_CONST_STR-perf_event_open-perf_event_open-socket$kcm-ioctl$PERF_EVENT_IOC_PAUSE_OUTPUT-bpf$PROG_LOAD-bpf$PROG_LOAD_XDP-socket$kcm-sendmsg$kcm-ioctl$PERF_EVENT_IOC_PERIOD-ioctl$SIOCSIFHWADDR-ioctl$PERF_EVENT_IOC_SET_FILTER-socket$kcm-ioctl$SIOCSIFHWADDR-openat$cgroup_ro-close-socket$kcm-ioctl$PERF_EVENT_IOC_MODIFY_ATTRIBUTES detailed listing: executing program 0: bpf$MAP_CREATE_CONST_STR(0x0, 0x0, 0x48) r0 = perf_event_open(&(0x7f0000000140)={0x2, 0x80, 0x1d, 0x1, 0x0, 0x0, 0x0, 0x4, 0xf250c, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, @perf_config_ext={0x0, 0x131}, 0x0, 0x0, 0x0, 0x0, 0x40000, 0x1}, 0x0, 0x1, 0xffffffffffffffff, 0x8) r1 = perf_event_open(&(0x7f0000000480)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x5d31, 0x0, 0x8, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0xfffffffc}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socket$kcm(0x10, 0x2, 0x0) ioctl$PERF_EVENT_IOC_PAUSE_OUTPUT(r1, 0x40042409, 0x1) bpf$PROG_LOAD(0x5, 0x0, 0x0) bpf$PROG_LOAD_XDP(0x5, 0x0, 0x0) r2 = socket$kcm(0x10, 0x3, 0x10) sendmsg$kcm(r2, &(0x7f0000000000)={0x0, 0x0, &(0x7f00000000c0)=[{&(0x7f0000000300)="1400000034000b43d300fff5e700000003d25a80", 0x14}], 0x1}, 0x0) ioctl$PERF_EVENT_IOC_PERIOD(0xffffffffffffffff, 0x40082404, &(0x7f0000000100)=0x2006f8) ioctl$SIOCSIFHWADDR(0xffffffffffffffff, 0x4030582b, &(0x7f0000000000)={'lo\x00', @link_local={0x1, 0x80, 0xc2, 0xc}}) ioctl$PERF_EVENT_IOC_SET_FILTER(r0, 0x40082406, 0x0) r3 = socket$kcm(0x2, 0x3, 0x2) ioctl$SIOCSIFHWADDR(r3, 0x8916, &(0x7f0000000040)={'ip6_vti0\x00', @random="02000400"}) r4 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='blkio.bfq.io_wait_time\x00', 0x26e1, 0x0) close(r4) socket$kcm(0x2, 0x200000000000006, 0x0) ioctl$PERF_EVENT_IOC_MODIFY_ATTRIBUTES(0xffffffffffffffff, 0x4008240b, &(0x7f0000000000)={0x5, 0x80, 0x10, 0xfd, 0x0, 0x0, 0x0, 0x1, 0x90, 0xb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, @perf_bp={0x0, 0x2}, 0xaa32, 0x0, 0xfffffffd, 0x0, 0x5}) program crashed: INFO: rcu detected stall in sys_socket 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}}): bpf$MAP_CREATE_CONST_STR-perf_event_open-perf_event_open-socket$kcm-ioctl$PERF_EVENT_IOC_PAUSE_OUTPUT-bpf$PROG_LOAD-bpf$PROG_LOAD_XDP-socket$kcm-sendmsg$kcm-ioctl$PERF_EVENT_IOC_PERIOD-ioctl$SIOCSIFHWADDR-ioctl$PERF_EVENT_IOC_SET_FILTER-socket$kcm-ioctl$SIOCSIFHWADDR-openat$cgroup_ro-close-socket$kcm detailed listing: executing program 0: bpf$MAP_CREATE_CONST_STR(0x0, 0x0, 0x48) r0 = perf_event_open(&(0x7f0000000140)={0x2, 0x80, 0x1d, 0x1, 0x0, 0x0, 0x0, 0x4, 0xf250c, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, @perf_config_ext={0x0, 0x131}, 0x0, 0x0, 0x0, 0x0, 0x40000, 0x1}, 0x0, 0x1, 0xffffffffffffffff, 0x8) r1 = perf_event_open(&(0x7f0000000480)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x5d31, 0x0, 0x8, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0xfffffffc}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socket$kcm(0x10, 0x2, 0x0) ioctl$PERF_EVENT_IOC_PAUSE_OUTPUT(r1, 0x40042409, 0x1) bpf$PROG_LOAD(0x5, 0x0, 0x0) bpf$PROG_LOAD_XDP(0x5, 0x0, 0x0) r2 = socket$kcm(0x10, 0x3, 0x10) sendmsg$kcm(r2, &(0x7f0000000000)={0x0, 0x0, &(0x7f00000000c0)=[{&(0x7f0000000300)="1400000034000b43d300fff5e700000003d25a80", 0x14}], 0x1}, 0x0) ioctl$PERF_EVENT_IOC_PERIOD(0xffffffffffffffff, 0x40082404, &(0x7f0000000100)=0x2006f8) ioctl$SIOCSIFHWADDR(0xffffffffffffffff, 0x4030582b, &(0x7f0000000000)={'lo\x00', @link_local={0x1, 0x80, 0xc2, 0xc}}) ioctl$PERF_EVENT_IOC_SET_FILTER(r0, 0x40082406, 0x0) r3 = socket$kcm(0x2, 0x3, 0x2) ioctl$SIOCSIFHWADDR(r3, 0x8916, &(0x7f0000000040)={'ip6_vti0\x00', @random="02000400"}) r4 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='blkio.bfq.io_wait_time\x00', 0x26e1, 0x0) close(r4) socket$kcm(0x2, 0x200000000000006, 0x0) program crashed: INFO: rcu detected stall in corrupted 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}}): bpf$MAP_CREATE_CONST_STR-perf_event_open-perf_event_open-socket$kcm-ioctl$PERF_EVENT_IOC_PAUSE_OUTPUT-bpf$PROG_LOAD-bpf$PROG_LOAD_XDP-socket$kcm-sendmsg$kcm-ioctl$PERF_EVENT_IOC_PERIOD-ioctl$SIOCSIFHWADDR-ioctl$PERF_EVENT_IOC_SET_FILTER-socket$kcm-ioctl$SIOCSIFHWADDR-openat$cgroup_ro-close detailed listing: executing program 0: bpf$MAP_CREATE_CONST_STR(0x0, 0x0, 0x48) r0 = perf_event_open(&(0x7f0000000140)={0x2, 0x80, 0x1d, 0x1, 0x0, 0x0, 0x0, 0x4, 0xf250c, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, @perf_config_ext={0x0, 0x131}, 0x0, 0x0, 0x0, 0x0, 0x40000, 0x1}, 0x0, 0x1, 0xffffffffffffffff, 0x8) r1 = perf_event_open(&(0x7f0000000480)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x5d31, 0x0, 0x8, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0xfffffffc}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socket$kcm(0x10, 0x2, 0x0) ioctl$PERF_EVENT_IOC_PAUSE_OUTPUT(r1, 0x40042409, 0x1) bpf$PROG_LOAD(0x5, 0x0, 0x0) bpf$PROG_LOAD_XDP(0x5, 0x0, 0x0) r2 = socket$kcm(0x10, 0x3, 0x10) sendmsg$kcm(r2, &(0x7f0000000000)={0x0, 0x0, &(0x7f00000000c0)=[{&(0x7f0000000300)="1400000034000b43d300fff5e700000003d25a80", 0x14}], 0x1}, 0x0) ioctl$PERF_EVENT_IOC_PERIOD(0xffffffffffffffff, 0x40082404, &(0x7f0000000100)=0x2006f8) ioctl$SIOCSIFHWADDR(0xffffffffffffffff, 0x4030582b, &(0x7f0000000000)={'lo\x00', @link_local={0x1, 0x80, 0xc2, 0xc}}) ioctl$PERF_EVENT_IOC_SET_FILTER(r0, 0x40082406, 0x0) r3 = socket$kcm(0x2, 0x3, 0x2) ioctl$SIOCSIFHWADDR(r3, 0x8916, &(0x7f0000000040)={'ip6_vti0\x00', @random="02000400"}) r4 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='blkio.bfq.io_wait_time\x00', 0x26e1, 0x0) close(r4) program crashed: INFO: rcu detected stall in sys_socket 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}}): bpf$MAP_CREATE_CONST_STR-perf_event_open-perf_event_open-socket$kcm-ioctl$PERF_EVENT_IOC_PAUSE_OUTPUT-bpf$PROG_LOAD-bpf$PROG_LOAD_XDP-socket$kcm-sendmsg$kcm-ioctl$PERF_EVENT_IOC_PERIOD-ioctl$SIOCSIFHWADDR-ioctl$PERF_EVENT_IOC_SET_FILTER-socket$kcm-ioctl$SIOCSIFHWADDR-openat$cgroup_ro detailed listing: executing program 0: bpf$MAP_CREATE_CONST_STR(0x0, 0x0, 0x48) r0 = perf_event_open(&(0x7f0000000140)={0x2, 0x80, 0x1d, 0x1, 0x0, 0x0, 0x0, 0x4, 0xf250c, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, @perf_config_ext={0x0, 0x131}, 0x0, 0x0, 0x0, 0x0, 0x40000, 0x1}, 0x0, 0x1, 0xffffffffffffffff, 0x8) r1 = perf_event_open(&(0x7f0000000480)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x5d31, 0x0, 0x8, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0xfffffffc}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socket$kcm(0x10, 0x2, 0x0) ioctl$PERF_EVENT_IOC_PAUSE_OUTPUT(r1, 0x40042409, 0x1) bpf$PROG_LOAD(0x5, 0x0, 0x0) bpf$PROG_LOAD_XDP(0x5, 0x0, 0x0) r2 = socket$kcm(0x10, 0x3, 0x10) sendmsg$kcm(r2, &(0x7f0000000000)={0x0, 0x0, &(0x7f00000000c0)=[{&(0x7f0000000300)="1400000034000b43d300fff5e700000003d25a80", 0x14}], 0x1}, 0x0) ioctl$PERF_EVENT_IOC_PERIOD(0xffffffffffffffff, 0x40082404, &(0x7f0000000100)=0x2006f8) ioctl$SIOCSIFHWADDR(0xffffffffffffffff, 0x4030582b, &(0x7f0000000000)={'lo\x00', @link_local={0x1, 0x80, 0xc2, 0xc}}) ioctl$PERF_EVENT_IOC_SET_FILTER(r0, 0x40082406, 0x0) r3 = socket$kcm(0x2, 0x3, 0x2) ioctl$SIOCSIFHWADDR(r3, 0x8916, &(0x7f0000000040)={'ip6_vti0\x00', @random="02000400"}) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='blkio.bfq.io_wait_time\x00', 0x26e1, 0x0) program crashed: INFO: rcu detected stall in corrupted 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}}): bpf$MAP_CREATE_CONST_STR-perf_event_open-perf_event_open-socket$kcm-ioctl$PERF_EVENT_IOC_PAUSE_OUTPUT-bpf$PROG_LOAD-bpf$PROG_LOAD_XDP-socket$kcm-sendmsg$kcm-ioctl$PERF_EVENT_IOC_PERIOD-ioctl$SIOCSIFHWADDR-ioctl$PERF_EVENT_IOC_SET_FILTER-socket$kcm-ioctl$SIOCSIFHWADDR detailed listing: executing program 0: bpf$MAP_CREATE_CONST_STR(0x0, 0x0, 0x48) r0 = perf_event_open(&(0x7f0000000140)={0x2, 0x80, 0x1d, 0x1, 0x0, 0x0, 0x0, 0x4, 0xf250c, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, @perf_config_ext={0x0, 0x131}, 0x0, 0x0, 0x0, 0x0, 0x40000, 0x1}, 0x0, 0x1, 0xffffffffffffffff, 0x8) r1 = perf_event_open(&(0x7f0000000480)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x5d31, 0x0, 0x8, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0xfffffffc}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socket$kcm(0x10, 0x2, 0x0) ioctl$PERF_EVENT_IOC_PAUSE_OUTPUT(r1, 0x40042409, 0x1) bpf$PROG_LOAD(0x5, 0x0, 0x0) bpf$PROG_LOAD_XDP(0x5, 0x0, 0x0) r2 = socket$kcm(0x10, 0x3, 0x10) sendmsg$kcm(r2, &(0x7f0000000000)={0x0, 0x0, &(0x7f00000000c0)=[{&(0x7f0000000300)="1400000034000b43d300fff5e700000003d25a80", 0x14}], 0x1}, 0x0) ioctl$PERF_EVENT_IOC_PERIOD(0xffffffffffffffff, 0x40082404, &(0x7f0000000100)=0x2006f8) ioctl$SIOCSIFHWADDR(0xffffffffffffffff, 0x4030582b, &(0x7f0000000000)={'lo\x00', @link_local={0x1, 0x80, 0xc2, 0xc}}) ioctl$PERF_EVENT_IOC_SET_FILTER(r0, 0x40082406, 0x0) r3 = socket$kcm(0x2, 0x3, 0x2) ioctl$SIOCSIFHWADDR(r3, 0x8916, &(0x7f0000000040)={'ip6_vti0\x00', @random="02000400"}) program crashed: INFO: rcu detected stall in corrupted 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}}): bpf$MAP_CREATE_CONST_STR-perf_event_open-perf_event_open-socket$kcm-ioctl$PERF_EVENT_IOC_PAUSE_OUTPUT-bpf$PROG_LOAD-bpf$PROG_LOAD_XDP-socket$kcm-sendmsg$kcm-ioctl$PERF_EVENT_IOC_PERIOD-ioctl$SIOCSIFHWADDR-ioctl$PERF_EVENT_IOC_SET_FILTER-socket$kcm detailed listing: executing program 0: bpf$MAP_CREATE_CONST_STR(0x0, 0x0, 0x48) r0 = perf_event_open(&(0x7f0000000140)={0x2, 0x80, 0x1d, 0x1, 0x0, 0x0, 0x0, 0x4, 0xf250c, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, @perf_config_ext={0x0, 0x131}, 0x0, 0x0, 0x0, 0x0, 0x40000, 0x1}, 0x0, 0x1, 0xffffffffffffffff, 0x8) r1 = perf_event_open(&(0x7f0000000480)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x5d31, 0x0, 0x8, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0xfffffffc}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socket$kcm(0x10, 0x2, 0x0) ioctl$PERF_EVENT_IOC_PAUSE_OUTPUT(r1, 0x40042409, 0x1) bpf$PROG_LOAD(0x5, 0x0, 0x0) bpf$PROG_LOAD_XDP(0x5, 0x0, 0x0) r2 = socket$kcm(0x10, 0x3, 0x10) sendmsg$kcm(r2, &(0x7f0000000000)={0x0, 0x0, &(0x7f00000000c0)=[{&(0x7f0000000300)="1400000034000b43d300fff5e700000003d25a80", 0x14}], 0x1}, 0x0) ioctl$PERF_EVENT_IOC_PERIOD(0xffffffffffffffff, 0x40082404, &(0x7f0000000100)=0x2006f8) ioctl$SIOCSIFHWADDR(0xffffffffffffffff, 0x4030582b, &(0x7f0000000000)={'lo\x00', @link_local={0x1, 0x80, 0xc2, 0xc}}) ioctl$PERF_EVENT_IOC_SET_FILTER(r0, 0x40082406, 0x0) socket$kcm(0x2, 0x3, 0x2) program crashed: INFO: rcu detected stall in corrupted 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}}): bpf$MAP_CREATE_CONST_STR-perf_event_open-perf_event_open-socket$kcm-ioctl$PERF_EVENT_IOC_PAUSE_OUTPUT-bpf$PROG_LOAD-bpf$PROG_LOAD_XDP-socket$kcm-sendmsg$kcm-ioctl$PERF_EVENT_IOC_PERIOD-ioctl$SIOCSIFHWADDR-ioctl$PERF_EVENT_IOC_SET_FILTER detailed listing: executing program 0: bpf$MAP_CREATE_CONST_STR(0x0, 0x0, 0x48) r0 = perf_event_open(&(0x7f0000000140)={0x2, 0x80, 0x1d, 0x1, 0x0, 0x0, 0x0, 0x4, 0xf250c, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, @perf_config_ext={0x0, 0x131}, 0x0, 0x0, 0x0, 0x0, 0x40000, 0x1}, 0x0, 0x1, 0xffffffffffffffff, 0x8) r1 = perf_event_open(&(0x7f0000000480)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x5d31, 0x0, 0x8, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0xfffffffc}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socket$kcm(0x10, 0x2, 0x0) ioctl$PERF_EVENT_IOC_PAUSE_OUTPUT(r1, 0x40042409, 0x1) bpf$PROG_LOAD(0x5, 0x0, 0x0) bpf$PROG_LOAD_XDP(0x5, 0x0, 0x0) r2 = socket$kcm(0x10, 0x3, 0x10) sendmsg$kcm(r2, &(0x7f0000000000)={0x0, 0x0, &(0x7f00000000c0)=[{&(0x7f0000000300)="1400000034000b43d300fff5e700000003d25a80", 0x14}], 0x1}, 0x0) ioctl$PERF_EVENT_IOC_PERIOD(0xffffffffffffffff, 0x40082404, &(0x7f0000000100)=0x2006f8) ioctl$SIOCSIFHWADDR(0xffffffffffffffff, 0x4030582b, &(0x7f0000000000)={'lo\x00', @link_local={0x1, 0x80, 0xc2, 0xc}}) ioctl$PERF_EVENT_IOC_SET_FILTER(r0, 0x40082406, 0x0) program crashed: INFO: rcu detected stall in __alloc_skb 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}}): bpf$MAP_CREATE_CONST_STR-perf_event_open-perf_event_open-socket$kcm-ioctl$PERF_EVENT_IOC_PAUSE_OUTPUT-bpf$PROG_LOAD-bpf$PROG_LOAD_XDP-socket$kcm-sendmsg$kcm-ioctl$PERF_EVENT_IOC_PERIOD-ioctl$SIOCSIFHWADDR detailed listing: executing program 0: bpf$MAP_CREATE_CONST_STR(0x0, 0x0, 0x48) perf_event_open(&(0x7f0000000140)={0x2, 0x80, 0x1d, 0x1, 0x0, 0x0, 0x0, 0x4, 0xf250c, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, @perf_config_ext={0x0, 0x131}, 0x0, 0x0, 0x0, 0x0, 0x40000, 0x1}, 0x0, 0x1, 0xffffffffffffffff, 0x8) r0 = perf_event_open(&(0x7f0000000480)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x5d31, 0x0, 0x8, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0xfffffffc}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socket$kcm(0x10, 0x2, 0x0) ioctl$PERF_EVENT_IOC_PAUSE_OUTPUT(r0, 0x40042409, 0x1) bpf$PROG_LOAD(0x5, 0x0, 0x0) bpf$PROG_LOAD_XDP(0x5, 0x0, 0x0) r1 = socket$kcm(0x10, 0x3, 0x10) sendmsg$kcm(r1, &(0x7f0000000000)={0x0, 0x0, &(0x7f00000000c0)=[{&(0x7f0000000300)="1400000034000b43d300fff5e700000003d25a80", 0x14}], 0x1}, 0x0) ioctl$PERF_EVENT_IOC_PERIOD(0xffffffffffffffff, 0x40082404, &(0x7f0000000100)=0x2006f8) ioctl$SIOCSIFHWADDR(0xffffffffffffffff, 0x4030582b, &(0x7f0000000000)={'lo\x00', @link_local={0x1, 0x80, 0xc2, 0xc}}) VM was preempted during syz execution: failed to run command in VM: instance is preempted, retrying program crashed: INFO: rcu detected stall in sys_socket 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}}): bpf$MAP_CREATE_CONST_STR-perf_event_open-perf_event_open-socket$kcm-ioctl$PERF_EVENT_IOC_PAUSE_OUTPUT-bpf$PROG_LOAD-bpf$PROG_LOAD_XDP-socket$kcm-sendmsg$kcm-ioctl$PERF_EVENT_IOC_PERIOD detailed listing: executing program 0: bpf$MAP_CREATE_CONST_STR(0x0, 0x0, 0x48) perf_event_open(&(0x7f0000000140)={0x2, 0x80, 0x1d, 0x1, 0x0, 0x0, 0x0, 0x4, 0xf250c, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, @perf_config_ext={0x0, 0x131}, 0x0, 0x0, 0x0, 0x0, 0x40000, 0x1}, 0x0, 0x1, 0xffffffffffffffff, 0x8) r0 = perf_event_open(&(0x7f0000000480)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x5d31, 0x0, 0x8, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0xfffffffc}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socket$kcm(0x10, 0x2, 0x0) ioctl$PERF_EVENT_IOC_PAUSE_OUTPUT(r0, 0x40042409, 0x1) bpf$PROG_LOAD(0x5, 0x0, 0x0) bpf$PROG_LOAD_XDP(0x5, 0x0, 0x0) r1 = socket$kcm(0x10, 0x3, 0x10) sendmsg$kcm(r1, &(0x7f0000000000)={0x0, 0x0, &(0x7f00000000c0)=[{&(0x7f0000000300)="1400000034000b43d300fff5e700000003d25a80", 0x14}], 0x1}, 0x0) ioctl$PERF_EVENT_IOC_PERIOD(0xffffffffffffffff, 0x40082404, &(0x7f0000000100)=0x2006f8) VM was preempted during syz execution: failed to run command in VM: instance is preempted, retrying program crashed: INFO: rcu detected stall in corrupted 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}}): bpf$MAP_CREATE_CONST_STR-perf_event_open-perf_event_open-socket$kcm-ioctl$PERF_EVENT_IOC_PAUSE_OUTPUT-bpf$PROG_LOAD-bpf$PROG_LOAD_XDP-socket$kcm-sendmsg$kcm detailed listing: executing program 0: bpf$MAP_CREATE_CONST_STR(0x0, 0x0, 0x48) perf_event_open(&(0x7f0000000140)={0x2, 0x80, 0x1d, 0x1, 0x0, 0x0, 0x0, 0x4, 0xf250c, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, @perf_config_ext={0x0, 0x131}, 0x0, 0x0, 0x0, 0x0, 0x40000, 0x1}, 0x0, 0x1, 0xffffffffffffffff, 0x8) r0 = perf_event_open(&(0x7f0000000480)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x5d31, 0x0, 0x8, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0xfffffffc}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socket$kcm(0x10, 0x2, 0x0) ioctl$PERF_EVENT_IOC_PAUSE_OUTPUT(r0, 0x40042409, 0x1) bpf$PROG_LOAD(0x5, 0x0, 0x0) bpf$PROG_LOAD_XDP(0x5, 0x0, 0x0) r1 = socket$kcm(0x10, 0x3, 0x10) sendmsg$kcm(r1, &(0x7f0000000000)={0x0, 0x0, &(0x7f00000000c0)=[{&(0x7f0000000300)="1400000034000b43d300fff5e700000003d25a80", 0x14}], 0x1}, 0x0) program crashed: INFO: rcu detected stall in genl_lock_dumpit 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}}): bpf$MAP_CREATE_CONST_STR-perf_event_open-perf_event_open-socket$kcm-ioctl$PERF_EVENT_IOC_PAUSE_OUTPUT-bpf$PROG_LOAD-bpf$PROG_LOAD_XDP-socket$kcm detailed listing: executing program 0: bpf$MAP_CREATE_CONST_STR(0x0, 0x0, 0x48) perf_event_open(&(0x7f0000000140)={0x2, 0x80, 0x1d, 0x1, 0x0, 0x0, 0x0, 0x4, 0xf250c, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, @perf_config_ext={0x0, 0x131}, 0x0, 0x0, 0x0, 0x0, 0x40000, 0x1}, 0x0, 0x1, 0xffffffffffffffff, 0x8) r0 = perf_event_open(&(0x7f0000000480)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x5d31, 0x0, 0x8, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0xfffffffc}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socket$kcm(0x10, 0x2, 0x0) ioctl$PERF_EVENT_IOC_PAUSE_OUTPUT(r0, 0x40042409, 0x1) bpf$PROG_LOAD(0x5, 0x0, 0x0) bpf$PROG_LOAD_XDP(0x5, 0x0, 0x0) socket$kcm(0x10, 0x3, 0x10) program crashed: INFO: rcu detected stall in corrupted 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}}): bpf$MAP_CREATE_CONST_STR-perf_event_open-perf_event_open-socket$kcm-ioctl$PERF_EVENT_IOC_PAUSE_OUTPUT-bpf$PROG_LOAD-bpf$PROG_LOAD_XDP detailed listing: executing program 0: bpf$MAP_CREATE_CONST_STR(0x0, 0x0, 0x48) perf_event_open(&(0x7f0000000140)={0x2, 0x80, 0x1d, 0x1, 0x0, 0x0, 0x0, 0x4, 0xf250c, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, @perf_config_ext={0x0, 0x131}, 0x0, 0x0, 0x0, 0x0, 0x40000, 0x1}, 0x0, 0x1, 0xffffffffffffffff, 0x8) r0 = perf_event_open(&(0x7f0000000480)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x5d31, 0x0, 0x8, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0xfffffffc}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socket$kcm(0x10, 0x2, 0x0) ioctl$PERF_EVENT_IOC_PAUSE_OUTPUT(r0, 0x40042409, 0x1) bpf$PROG_LOAD(0x5, 0x0, 0x0) bpf$PROG_LOAD_XDP(0x5, 0x0, 0x0) program crashed: INFO: rcu detected stall in sys_bpf 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}}): bpf$MAP_CREATE_CONST_STR-perf_event_open-perf_event_open-socket$kcm-ioctl$PERF_EVENT_IOC_PAUSE_OUTPUT-bpf$PROG_LOAD detailed listing: executing program 0: bpf$MAP_CREATE_CONST_STR(0x0, 0x0, 0x48) perf_event_open(&(0x7f0000000140)={0x2, 0x80, 0x1d, 0x1, 0x0, 0x0, 0x0, 0x4, 0xf250c, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, @perf_config_ext={0x0, 0x131}, 0x0, 0x0, 0x0, 0x0, 0x40000, 0x1}, 0x0, 0x1, 0xffffffffffffffff, 0x8) r0 = perf_event_open(&(0x7f0000000480)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x5d31, 0x0, 0x8, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0xfffffffc}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socket$kcm(0x10, 0x2, 0x0) ioctl$PERF_EVENT_IOC_PAUSE_OUTPUT(r0, 0x40042409, 0x1) bpf$PROG_LOAD(0x5, 0x0, 0x0) program crashed: INFO: rcu detected stall in sys_socket 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}}): bpf$MAP_CREATE_CONST_STR-perf_event_open-perf_event_open-socket$kcm-ioctl$PERF_EVENT_IOC_PAUSE_OUTPUT detailed listing: executing program 0: bpf$MAP_CREATE_CONST_STR(0x0, 0x0, 0x48) perf_event_open(&(0x7f0000000140)={0x2, 0x80, 0x1d, 0x1, 0x0, 0x0, 0x0, 0x4, 0xf250c, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, @perf_config_ext={0x0, 0x131}, 0x0, 0x0, 0x0, 0x0, 0x40000, 0x1}, 0x0, 0x1, 0xffffffffffffffff, 0x8) r0 = perf_event_open(&(0x7f0000000480)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x5d31, 0x0, 0x8, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0xfffffffc}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socket$kcm(0x10, 0x2, 0x0) ioctl$PERF_EVENT_IOC_PAUSE_OUTPUT(r0, 0x40042409, 0x1) program crashed: INFO: rcu detected stall in sys_socket 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}}): bpf$MAP_CREATE_CONST_STR-perf_event_open-perf_event_open-socket$kcm detailed listing: executing program 0: bpf$MAP_CREATE_CONST_STR(0x0, 0x0, 0x48) perf_event_open(&(0x7f0000000140)={0x2, 0x80, 0x1d, 0x1, 0x0, 0x0, 0x0, 0x4, 0xf250c, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, @perf_config_ext={0x0, 0x131}, 0x0, 0x0, 0x0, 0x0, 0x40000, 0x1}, 0x0, 0x1, 0xffffffffffffffff, 0x8) perf_event_open(&(0x7f0000000480)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x5d31, 0x0, 0x8, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0xfffffffc}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socket$kcm(0x10, 0x2, 0x0) program crashed: INFO: rcu detected stall in sys_socket 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}}): bpf$MAP_CREATE_CONST_STR-perf_event_open-perf_event_open detailed listing: executing program 0: bpf$MAP_CREATE_CONST_STR(0x0, 0x0, 0x48) perf_event_open(&(0x7f0000000140)={0x2, 0x80, 0x1d, 0x1, 0x0, 0x0, 0x0, 0x4, 0xf250c, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, @perf_config_ext={0x0, 0x131}, 0x0, 0x0, 0x0, 0x0, 0x40000, 0x1}, 0x0, 0x1, 0xffffffffffffffff, 0x8) perf_event_open(&(0x7f0000000480)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x5d31, 0x0, 0x8, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0xfffffffc}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) 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}}): bpf$MAP_CREATE_CONST_STR-perf_event_open-socket$kcm detailed listing: executing program 0: bpf$MAP_CREATE_CONST_STR(0x0, 0x0, 0x48) perf_event_open(&(0x7f0000000140)={0x2, 0x80, 0x1d, 0x1, 0x0, 0x0, 0x0, 0x4, 0xf250c, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, @perf_config_ext={0x0, 0x131}, 0x0, 0x0, 0x0, 0x0, 0x40000, 0x1}, 0x0, 0x1, 0xffffffffffffffff, 0x8) socket$kcm(0x10, 0x2, 0x0) 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}}): bpf$MAP_CREATE_CONST_STR-perf_event_open-socket$kcm detailed listing: executing program 0: bpf$MAP_CREATE_CONST_STR(0x0, 0x0, 0x48) perf_event_open(&(0x7f0000000480)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x5d31, 0x0, 0x8, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0xfffffffc}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socket$kcm(0x10, 0x2, 0x0) 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}}): perf_event_open-perf_event_open-socket$kcm detailed listing: executing program 0: perf_event_open(&(0x7f0000000140)={0x2, 0x80, 0x1d, 0x1, 0x0, 0x0, 0x0, 0x4, 0xf250c, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, @perf_config_ext={0x0, 0x131}, 0x0, 0x0, 0x0, 0x0, 0x40000, 0x1}, 0x0, 0x1, 0xffffffffffffffff, 0x8) perf_event_open(&(0x7f0000000480)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x5d31, 0x0, 0x8, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0xfffffffc}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socket$kcm(0x10, 0x2, 0x0) program crashed: INFO: rcu detected stall in sys_socket 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}}): perf_event_open-perf_event_open-socket$kcm detailed listing: executing program 0: perf_event_open(0x0, 0x0, 0x1, 0xffffffffffffffff, 0x8) perf_event_open(&(0x7f0000000480)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x5d31, 0x0, 0x8, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0xfffffffc}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socket$kcm(0x10, 0x2, 0x0) 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}}): perf_event_open-perf_event_open-socket$kcm detailed listing: executing program 0: perf_event_open(&(0x7f0000000140)={0x2, 0x80, 0x1d, 0x1, 0x0, 0x0, 0x0, 0x4, 0xf250c, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, @perf_config_ext={0x0, 0x131}, 0x0, 0x0, 0x0, 0x0, 0x40000, 0x1}, 0x0, 0x1, 0xffffffffffffffff, 0x8) perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socket$kcm(0x10, 0x2, 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}}): perf_event_open-perf_event_open-socket$kcm program crashed: no output from test machine a never seen crash title: no output from test machine, ignore simplifying guilty program options testing program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): perf_event_open-perf_event_open-socket$kcm detailed listing: executing program 0: perf_event_open(&(0x7f0000000140)={0x2, 0x80, 0x1d, 0x1, 0x0, 0x0, 0x0, 0x4, 0xf250c, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, @perf_config_ext={0x0, 0x131}, 0x0, 0x0, 0x0, 0x0, 0x40000, 0x1}, 0x0, 0x1, 0xffffffffffffffff, 0x8) perf_event_open(&(0x7f0000000480)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x5d31, 0x0, 0x8, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0xfffffffc}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socket$kcm(0x10, 0x2, 0x0) program crashed: INFO: rcu detected stall in dentry_kill a never seen crash title: INFO: rcu detected stall in dentry_kill, ignore testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): perf_event_open-perf_event_open-socket$kcm detailed listing: executing program 0: perf_event_open(&(0x7f0000000140)={0x2, 0x80, 0x1d, 0x1, 0x0, 0x0, 0x0, 0x4, 0xf250c, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, @perf_config_ext={0x0, 0x131}, 0x0, 0x0, 0x0, 0x0, 0x40000, 0x1}, 0x0, 0x1, 0xffffffffffffffff, 0x8) perf_event_open(&(0x7f0000000480)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x5d31, 0x0, 0x8, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0xfffffffc}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socket$kcm(0x10, 0x2, 0x0) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): perf_event_open-perf_event_open-socket$kcm detailed listing: executing program 0: perf_event_open(&(0x7f0000000140)={0x2, 0x80, 0x1d, 0x1, 0x0, 0x0, 0x0, 0x4, 0xf250c, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, @perf_config_ext={0x0, 0x131}, 0x0, 0x0, 0x0, 0x0, 0x40000, 0x1}, 0x0, 0x1, 0xffffffffffffffff, 0x8) perf_event_open(&(0x7f0000000480)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x5d31, 0x0, 0x8, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0xfffffffc}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socket$kcm(0x10, 0x2, 0x0) program crashed: INFO: rcu detected stall in sys_socket validation run: crashed=true testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): perf_event_open-perf_event_open-socket$kcm detailed listing: executing program 0: perf_event_open(&(0x7f0000000140)={0x2, 0x80, 0x1d, 0x1, 0x0, 0x0, 0x0, 0x4, 0xf250c, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, @perf_config_ext={0x0, 0x131}, 0x0, 0x0, 0x0, 0x0, 0x40000, 0x1}, 0x0, 0x1, 0xffffffffffffffff, 0x8) perf_event_open(&(0x7f0000000480)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x5d31, 0x0, 0x8, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0xfffffffc}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socket$kcm(0x10, 0x2, 0x0) program crashed: INFO: rcu detected stall in corrupted validation run: crashed=true testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): perf_event_open-perf_event_open-socket$kcm detailed listing: executing program 0: perf_event_open(&(0x7f0000000140)={0x2, 0x80, 0x1d, 0x1, 0x0, 0x0, 0x0, 0x4, 0xf250c, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, @perf_config_ext={0x0, 0x131}, 0x0, 0x0, 0x0, 0x0, 0x40000, 0x1}, 0x0, 0x1, 0xffffffffffffffff, 0x8) perf_event_open(&(0x7f0000000480)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x5d31, 0x0, 0x8, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0xfffffffc}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socket$kcm(0x10, 0x2, 0x0) program crashed: INFO: rcu detected stall in sys_socket validation run: crashed=true reproducing took 1h54m41.849669507s repro crashed as (corrupted=false): rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-.... } 2676 jiffies s: 11937 root: 0x2/. rcu: blocking rcu_node structures (internal RCU debug): Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 11473 Comm: syz.4.3280 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 RIP: 0010:__sanitizer_cov_trace_pc+0x0/0x60 kernel/kcov.c:212 Code: 2e 0f 1f 84 00 00 00 00 00 90 53 48 89 fb e8 17 00 00 00 48 8b 3d 30 d9 9e 0c 48 89 de 5b e9 77 62 50 00 00 00 cc cc 00 00 cc <48> 8b 04 24 65 48 8b 0d 44 3b 80 7e 65 8b 15 45 3b 80 7e 81 e2 00 RSP: 0018:ffffc900001e02d8 EFLAGS: 00000046 RAX: 0000000000000000 RBX: ffffc900001e0480 RCX: ffff888079091e00 RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffffc900001e03d0 R08: ffffffff8fa24048 R09: ffffffff8fa24058 R10: ffffffff8fa24050 R11: ffffffff8fa24043 R12: dffffc0000000000 R13: 00000000000f200c R14: 00000000000f250c R15: ffffc900001e06c0 FS: 00007fdac13d86c0(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2e763fff CR3: 0000000027ecc000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: perf_prepare_sample+0x1e2/0x2020 kernel/events/core.c:7538 __perf_event_output kernel/events/core.c:7730 [inline] perf_event_output_forward+0x197/0x2f0 kernel/events/core.c:7750 __perf_event_overflow+0x457/0x630 kernel/events/core.c:9496 perf_swevent_overflow kernel/events/core.c:9579 [inline] perf_swevent_event+0x315/0x570 kernel/events/core.c:9630 perf_tp_event+0x36b/0xc10 kernel/events/core.c:10064 perf_trace_run_bpf_submit+0xf3/0x1c0 kernel/events/core.c:10032 perf_trace_preemptirq_template+0x268/0x320 include/trace/events/preemptirq.h:14 trace_irq_enable_rcuidle+0xd3/0x140 include/trace/events/preemptirq.h:40 trace_hardirqs_on+0x24/0x40 kernel/trace/trace_preemptirq.c:44 asm_sysvec_irq_work+0x16/0x20 arch/x86/include/asm/idtentry.h:728 RIP: 0010:rcu_read_unlock_special+0x7f/0x510 kernel/rcu/tree_plugin.h:685 Code: eb 03 48 b8 f1 f1 f1 f1 f8 f2 f2 f2 4a 89 04 2b 42 c7 44 2b 08 f8 f3 f3 f3 65 44 8b 35 a2 7c 95 7e 41 f7 c6 00 00 f0 00 74 40 <48> c7 44 24 40 0e 36 e0 45 4a c7 04 2b 00 00 00 00 42 c7 44 2b 08 RSP: 0018:ffffc900001e0ae0 EFLAGS: 00000206 RAX: 54f2f67a4e11cd00 RBX: 1ffff9200003c164 RCX: 54f2f67a4e11cd00 RDX: dffffc0000000000 RSI: ffffffff8a8c17a0 RDI: ffffffff8adf5de0 RBP: ffffc900001e0bd0 R08: ffff8880b8f3580b R09: 1ffff110171e6b01 R10: dffffc0000000000 R11: ffffed10171e6b02 R12: 0000000000000246 R13: dffffc0000000000 R14: ffff8880b8f3bb00 R15: 0000000000000002 __rcu_read_unlock+0x78/0xd0 kernel/rcu/tree_plugin.h:426 rcu_read_unlock include/linux/rcupdate.h:823 [inline] ieee80211_iterate_active_interfaces_atomic+0x156/0x170 net/mac80211/util.c:826 mac80211_hwsim_beacon+0xb7/0x1b0 drivers/net/wireless/mac80211_hwsim.c:2147 __run_hrtimer kernel/time/hrtimer.c:1751 [inline] __hrtimer_run_queues+0x522/0xc90 kernel/time/hrtimer.c:1815 hrtimer_run_softirq+0x173/0x290 kernel/time/hrtimer.c:1832 handle_softirqs+0x291/0x910 kernel/softirq.c:596 __do_softirq kernel/softirq.c:630 [inline] invoke_softirq kernel/softirq.c:470 [inline] __irq_exit_rcu+0x13b/0x230 kernel/softirq.c:679 irq_exit_rcu+0x5/0x20 kernel/softirq.c:691 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1118 [inline] sysvec_apic_timer_interrupt+0xa0/0xc0 arch/x86/kernel/apic/apic.c:1118 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:691 RIP: 0010:put_cpu_partial+0x1b0/0x250 mm/slub.c:2666 Code: 3b 44 24 18 0f 85 b4 00 00 00 48 83 c4 20 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 ac 31 5d 08 f7 c5 00 02 00 00 74 c0 fb 4d 85 e4 <75> bf eb c8 e8 17 b8 3f 02 85 c0 0f 84 e9 fe ff ff 83 3d f0 58 4e RSP: 0018:ffffc9000593fb18 EFLAGS: 00000246 RAX: 54f2f67a4e11cd00 RBX: ffff888140008a00 RCX: 54f2f67a4e11cd00 RDX: dffffc0000000000 RSI: ffffffff8a8c17a0 RDI: ffffffff8adf5de0 RBP: 0000000000000286 R08: ffff8880b8f3580b R09: 1ffff110171e6b01 R10: dffffc0000000000 R11: ffffed10171e6b02 R12: 0000000000000000 R13: 0000000000000001 R14: ffff888079091e00 R15: ffff8880b8f421c0 qlink_free mm/kasan/quarantine.c:168 [inline] qlist_free_all+0x76/0xe0 mm/kasan/quarantine.c:187 kasan_quarantine_reduce+0x144/0x160 mm/kasan/quarantine.c:294 __kasan_slab_alloc+0x1e/0x80 mm/kasan/common.c:306 kasan_slab_alloc include/linux/kasan.h:201 [inline] slab_post_alloc_hook+0x4b/0x490 mm/slab.h:737 slab_alloc_node mm/slub.c:3359 [inline] slab_alloc mm/slub.c:3367 [inline] __kmem_cache_alloc_lru mm/slub.c:3374 [inline] kmem_cache_alloc+0x18b/0x2f0 mm/slub.c:3383 kmem_cache_zalloc include/linux/slab.h:689 [inline] lsm_file_alloc security/security.c:576 [inline] security_file_alloc+0x30/0x110 security/security.c:1544 __alloc_file+0xc2/0x230 fs/file_table.c:143 alloc_empty_file+0x90/0x180 fs/file_table.c:187 alloc_file+0x5b/0x5f0 fs/file_table.c:229 alloc_file_pseudo+0x180/0x200 fs/file_table.c:272 sock_alloc_file+0xb3/0x240 net/socket.c:467 sock_map_fd net/socket.c:491 [inline] __sys_socket+0x12d/0x190 net/socket.c:1679 __do_sys_socket net/socket.c:1684 [inline] __se_sys_socket net/socket.c:1682 [inline] __x64_sys_socket+0x76/0x80 net/socket.c:1682 do_syscall_x64 arch/x86/entry/common.c:46 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76 entry_SYSCALL_64_after_hwframe+0x68/0xd2 RIP: 0033:0x7fdac059de99 Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fdac13d8028 EFLAGS: 00000246 ORIG_RAX: 0000000000000029 RAX: ffffffffffffffda RBX: 00007fdac0825fa0 RCX: 00007fdac059de99 RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000010 RBP: 00007fdac0633eaf R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fdac0826038 R14: 00007fdac0825fa0 R15: 00007ffeaad7c408 final repro crashed as (corrupted=false): rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-.... } 2676 jiffies s: 11937 root: 0x2/. rcu: blocking rcu_node structures (internal RCU debug): Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 11473 Comm: syz.4.3280 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 RIP: 0010:__sanitizer_cov_trace_pc+0x0/0x60 kernel/kcov.c:212 Code: 2e 0f 1f 84 00 00 00 00 00 90 53 48 89 fb e8 17 00 00 00 48 8b 3d 30 d9 9e 0c 48 89 de 5b e9 77 62 50 00 00 00 cc cc 00 00 cc <48> 8b 04 24 65 48 8b 0d 44 3b 80 7e 65 8b 15 45 3b 80 7e 81 e2 00 RSP: 0018:ffffc900001e02d8 EFLAGS: 00000046 RAX: 0000000000000000 RBX: ffffc900001e0480 RCX: ffff888079091e00 RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffffc900001e03d0 R08: ffffffff8fa24048 R09: ffffffff8fa24058 R10: ffffffff8fa24050 R11: ffffffff8fa24043 R12: dffffc0000000000 R13: 00000000000f200c R14: 00000000000f250c R15: ffffc900001e06c0 FS: 00007fdac13d86c0(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2e763fff CR3: 0000000027ecc000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: perf_prepare_sample+0x1e2/0x2020 kernel/events/core.c:7538 __perf_event_output kernel/events/core.c:7730 [inline] perf_event_output_forward+0x197/0x2f0 kernel/events/core.c:7750 __perf_event_overflow+0x457/0x630 kernel/events/core.c:9496 perf_swevent_overflow kernel/events/core.c:9579 [inline] perf_swevent_event+0x315/0x570 kernel/events/core.c:9630 perf_tp_event+0x36b/0xc10 kernel/events/core.c:10064 perf_trace_run_bpf_submit+0xf3/0x1c0 kernel/events/core.c:10032 perf_trace_preemptirq_template+0x268/0x320 include/trace/events/preemptirq.h:14 trace_irq_enable_rcuidle+0xd3/0x140 include/trace/events/preemptirq.h:40 trace_hardirqs_on+0x24/0x40 kernel/trace/trace_preemptirq.c:44 asm_sysvec_irq_work+0x16/0x20 arch/x86/include/asm/idtentry.h:728 RIP: 0010:rcu_read_unlock_special+0x7f/0x510 kernel/rcu/tree_plugin.h:685 Code: eb 03 48 b8 f1 f1 f1 f1 f8 f2 f2 f2 4a 89 04 2b 42 c7 44 2b 08 f8 f3 f3 f3 65 44 8b 35 a2 7c 95 7e 41 f7 c6 00 00 f0 00 74 40 <48> c7 44 24 40 0e 36 e0 45 4a c7 04 2b 00 00 00 00 42 c7 44 2b 08 RSP: 0018:ffffc900001e0ae0 EFLAGS: 00000206 RAX: 54f2f67a4e11cd00 RBX: 1ffff9200003c164 RCX: 54f2f67a4e11cd00 RDX: dffffc0000000000 RSI: ffffffff8a8c17a0 RDI: ffffffff8adf5de0 RBP: ffffc900001e0bd0 R08: ffff8880b8f3580b R09: 1ffff110171e6b01 R10: dffffc0000000000 R11: ffffed10171e6b02 R12: 0000000000000246 R13: dffffc0000000000 R14: ffff8880b8f3bb00 R15: 0000000000000002 __rcu_read_unlock+0x78/0xd0 kernel/rcu/tree_plugin.h:426 rcu_read_unlock include/linux/rcupdate.h:823 [inline] ieee80211_iterate_active_interfaces_atomic+0x156/0x170 net/mac80211/util.c:826 mac80211_hwsim_beacon+0xb7/0x1b0 drivers/net/wireless/mac80211_hwsim.c:2147 __run_hrtimer kernel/time/hrtimer.c:1751 [inline] __hrtimer_run_queues+0x522/0xc90 kernel/time/hrtimer.c:1815 hrtimer_run_softirq+0x173/0x290 kernel/time/hrtimer.c:1832 handle_softirqs+0x291/0x910 kernel/softirq.c:596 __do_softirq kernel/softirq.c:630 [inline] invoke_softirq kernel/softirq.c:470 [inline] __irq_exit_rcu+0x13b/0x230 kernel/softirq.c:679 irq_exit_rcu+0x5/0x20 kernel/softirq.c:691 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1118 [inline] sysvec_apic_timer_interrupt+0xa0/0xc0 arch/x86/kernel/apic/apic.c:1118 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:691 RIP: 0010:put_cpu_partial+0x1b0/0x250 mm/slub.c:2666 Code: 3b 44 24 18 0f 85 b4 00 00 00 48 83 c4 20 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 ac 31 5d 08 f7 c5 00 02 00 00 74 c0 fb 4d 85 e4 <75> bf eb c8 e8 17 b8 3f 02 85 c0 0f 84 e9 fe ff ff 83 3d f0 58 4e RSP: 0018:ffffc9000593fb18 EFLAGS: 00000246 RAX: 54f2f67a4e11cd00 RBX: ffff888140008a00 RCX: 54f2f67a4e11cd00 RDX: dffffc0000000000 RSI: ffffffff8a8c17a0 RDI: ffffffff8adf5de0 RBP: 0000000000000286 R08: ffff8880b8f3580b R09: 1ffff110171e6b01 R10: dffffc0000000000 R11: ffffed10171e6b02 R12: 0000000000000000 R13: 0000000000000001 R14: ffff888079091e00 R15: ffff8880b8f421c0 qlink_free mm/kasan/quarantine.c:168 [inline] qlist_free_all+0x76/0xe0 mm/kasan/quarantine.c:187 kasan_quarantine_reduce+0x144/0x160 mm/kasan/quarantine.c:294 __kasan_slab_alloc+0x1e/0x80 mm/kasan/common.c:306 kasan_slab_alloc include/linux/kasan.h:201 [inline] slab_post_alloc_hook+0x4b/0x490 mm/slab.h:737 slab_alloc_node mm/slub.c:3359 [inline] slab_alloc mm/slub.c:3367 [inline] __kmem_cache_alloc_lru mm/slub.c:3374 [inline] kmem_cache_alloc+0x18b/0x2f0 mm/slub.c:3383 kmem_cache_zalloc include/linux/slab.h:689 [inline] lsm_file_alloc security/security.c:576 [inline] security_file_alloc+0x30/0x110 security/security.c:1544 __alloc_file+0xc2/0x230 fs/file_table.c:143 alloc_empty_file+0x90/0x180 fs/file_table.c:187 alloc_file+0x5b/0x5f0 fs/file_table.c:229 alloc_file_pseudo+0x180/0x200 fs/file_table.c:272 sock_alloc_file+0xb3/0x240 net/socket.c:467 sock_map_fd net/socket.c:491 [inline] __sys_socket+0x12d/0x190 net/socket.c:1679 __do_sys_socket net/socket.c:1684 [inline] __se_sys_socket net/socket.c:1682 [inline] __x64_sys_socket+0x76/0x80 net/socket.c:1682 do_syscall_x64 arch/x86/entry/common.c:46 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76 entry_SYSCALL_64_after_hwframe+0x68/0xd2 RIP: 0033:0x7fdac059de99 Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fdac13d8028 EFLAGS: 00000246 ORIG_RAX: 0000000000000029 RAX: ffffffffffffffda RBX: 00007fdac0825fa0 RCX: 00007fdac059de99 RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000010 RBP: 00007fdac0633eaf R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fdac0826038 R14: 00007fdac0825fa0 R15: 00007ffeaad7c408