Extracting prog: 2m47.978210886s Minimizing prog: 2h11m37.423429234s Simplifying prog options: 13m45.775385175s Extracting C: 5m10.995166284s Simplifying C: 0s extracting reproducer from 38 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): fsconfig$FSCONFIG_CMD_RECONFIGURE-openat$6lowpan_control-sendmsg$nl_route_sched-syz_genetlink_get_family_id$nfc-prlimit64-syz_emit_ethernet-sched_setscheduler-getpid-sched_setaffinity-sched_setscheduler-mmap-socketpair$unix-connect$unix-sendmmsg$unix-sched_setaffinity-recvmmsg-close-mount$pvfs2-sendmmsg$unix-write$6lowpan_control-process_vm_readv-timer_create-timer_settime detailed listing: executing program 0: fsconfig$FSCONFIG_CMD_RECONFIGURE(0xffffffffffffffff, 0x7, 0x0, 0x0, 0x0) r0 = openat$6lowpan_control(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000040)={&(0x7f00000000c0)=@newtaction={0xa4, 0x30, 0x1, 0x0, 0x0, {}, [{0x90, 0x1, [@m_ct={0x44, 0x2, 0x0, 0x0, {{0x7}, {0x1c, 0x2, 0x0, 0x1, [@TCA_CT_PARMS={0x18, 0x1, {0x9d, 0x11e41e7a, 0x20000000, 0x0, 0xf}}]}, {0x4}, {0xc, 0x7, {0x0, 0x1}}, {0xc, 0x8, {0x0, 0x1}}}}, @m_ife={0x48, 0x1, 0x0, 0x0, {{0x8}, {0x20, 0x2, 0x0, 0x1, [@TCA_IFE_PARMS={0x1c}]}, {0x4}, {0xc}, {0xc}}}]}]}, 0xa4}, 0x1, 0x0, 0x0, 0x804}, 0x0) syz_genetlink_get_family_id$nfc(0x0, 0xffffffffffffffff) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) syz_emit_ethernet(0x7f, &(0x7f0000000300)=ANY=[@ANYBLOB="ffffffffffff00230000000086dd60f2a40000492f00fe880000000000000000000000000001fe8000000000000000000000000000aa3420"], 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) r1 = getpid() sched_setaffinity(0x0, 0x8, &(0x7f00000002c0)=0x2) sched_setscheduler(r1, 0x2, &(0x7f0000000200)=0x4) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeef, 0x8031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r2, &(0x7f000057eff8)=@file={0x0, './file0\x00'}, 0x6e) sendmmsg$unix(r3, &(0x7f0000000000), 0x400000000000041, 0x0) sched_setaffinity(r1, 0x8, &(0x7f0000000240)=0x2) recvmmsg(r2, &(0x7f00000000c0), 0x10106, 0x2, 0x0) close(0xffffffffffffffff) mount$pvfs2(&(0x7f0000000040), &(0x7f0000000100)='./file0\x00', 0x0, 0x0, 0x0) sendmmsg$unix(0xffffffffffffffff, 0x0, 0x0, 0x0) write$6lowpan_control(r0, &(0x7f0000000000)='connect aa:aa:aa:aa:aa:10 0', 0x1b) process_vm_readv(0x0, &(0x7f0000000180)=[{&(0x7f0000000300)=""/54, 0x36}], 0x2328, &(0x7f0000008640)=[{0x0}], 0x1, 0x0) timer_create(0x0, &(0x7f0000000080)={0x0, 0x11, 0x0, @thr={0x0, 0x0}}, &(0x7f0000000000)) timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, 0x0) program crashed: INFO: rcu detected stall in corrupted single: successfully extracted reproducer found reproducer with 23 syscalls minimizing guilty program testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): fsconfig$FSCONFIG_CMD_RECONFIGURE-openat$6lowpan_control-sendmsg$nl_route_sched-syz_genetlink_get_family_id$nfc-prlimit64-syz_emit_ethernet-sched_setscheduler-getpid-sched_setaffinity-sched_setscheduler-mmap-socketpair$unix-connect$unix-sendmmsg$unix-sched_setaffinity-recvmmsg-close-mount$pvfs2-sendmmsg$unix-write$6lowpan_control-process_vm_readv-timer_create detailed listing: executing program 0: fsconfig$FSCONFIG_CMD_RECONFIGURE(0xffffffffffffffff, 0x7, 0x0, 0x0, 0x0) r0 = openat$6lowpan_control(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000040)={&(0x7f00000000c0)=@newtaction={0xa4, 0x30, 0x1, 0x0, 0x0, {}, [{0x90, 0x1, [@m_ct={0x44, 0x2, 0x0, 0x0, {{0x7}, {0x1c, 0x2, 0x0, 0x1, [@TCA_CT_PARMS={0x18, 0x1, {0x9d, 0x11e41e7a, 0x20000000, 0x0, 0xf}}]}, {0x4}, {0xc, 0x7, {0x0, 0x1}}, {0xc, 0x8, {0x0, 0x1}}}}, @m_ife={0x48, 0x1, 0x0, 0x0, {{0x8}, {0x20, 0x2, 0x0, 0x1, [@TCA_IFE_PARMS={0x1c}]}, {0x4}, {0xc}, {0xc}}}]}]}, 0xa4}, 0x1, 0x0, 0x0, 0x804}, 0x0) syz_genetlink_get_family_id$nfc(0x0, 0xffffffffffffffff) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) syz_emit_ethernet(0x7f, &(0x7f0000000300)=ANY=[@ANYBLOB="ffffffffffff00230000000086dd60f2a40000492f00fe880000000000000000000000000001fe8000000000000000000000000000aa3420"], 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) r1 = getpid() sched_setaffinity(0x0, 0x8, &(0x7f00000002c0)=0x2) sched_setscheduler(r1, 0x2, &(0x7f0000000200)=0x4) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeef, 0x8031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r2, &(0x7f000057eff8)=@file={0x0, './file0\x00'}, 0x6e) sendmmsg$unix(r3, &(0x7f0000000000), 0x400000000000041, 0x0) sched_setaffinity(r1, 0x8, &(0x7f0000000240)=0x2) recvmmsg(r2, &(0x7f00000000c0), 0x10106, 0x2, 0x0) close(0xffffffffffffffff) mount$pvfs2(&(0x7f0000000040), &(0x7f0000000100)='./file0\x00', 0x0, 0x0, 0x0) sendmmsg$unix(0xffffffffffffffff, 0x0, 0x0, 0x0) write$6lowpan_control(r0, &(0x7f0000000000)='connect aa:aa:aa:aa:aa:10 0', 0x1b) process_vm_readv(0x0, &(0x7f0000000180)=[{&(0x7f0000000300)=""/54, 0x36}], 0x2328, &(0x7f0000008640)=[{0x0}], 0x1, 0x0) timer_create(0x0, &(0x7f0000000080)={0x0, 0x11, 0x0, @thr={0x0, 0x0}}, &(0x7f0000000000)) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): fsconfig$FSCONFIG_CMD_RECONFIGURE-openat$6lowpan_control-sendmsg$nl_route_sched-syz_genetlink_get_family_id$nfc-prlimit64-syz_emit_ethernet-sched_setscheduler-getpid-sched_setaffinity-sched_setscheduler-mmap-socketpair$unix-connect$unix-sendmmsg$unix-sched_setaffinity-recvmmsg-close-mount$pvfs2-sendmmsg$unix-write$6lowpan_control-process_vm_readv-timer_settime detailed listing: executing program 0: fsconfig$FSCONFIG_CMD_RECONFIGURE(0xffffffffffffffff, 0x7, 0x0, 0x0, 0x0) r0 = openat$6lowpan_control(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000040)={&(0x7f00000000c0)=@newtaction={0xa4, 0x30, 0x1, 0x0, 0x0, {}, [{0x90, 0x1, [@m_ct={0x44, 0x2, 0x0, 0x0, {{0x7}, {0x1c, 0x2, 0x0, 0x1, [@TCA_CT_PARMS={0x18, 0x1, {0x9d, 0x11e41e7a, 0x20000000, 0x0, 0xf}}]}, {0x4}, {0xc, 0x7, {0x0, 0x1}}, {0xc, 0x8, {0x0, 0x1}}}}, @m_ife={0x48, 0x1, 0x0, 0x0, {{0x8}, {0x20, 0x2, 0x0, 0x1, [@TCA_IFE_PARMS={0x1c}]}, {0x4}, {0xc}, {0xc}}}]}]}, 0xa4}, 0x1, 0x0, 0x0, 0x804}, 0x0) syz_genetlink_get_family_id$nfc(0x0, 0xffffffffffffffff) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) syz_emit_ethernet(0x7f, &(0x7f0000000300)=ANY=[@ANYBLOB="ffffffffffff00230000000086dd60f2a40000492f00fe880000000000000000000000000001fe8000000000000000000000000000aa3420"], 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) r1 = getpid() sched_setaffinity(0x0, 0x8, &(0x7f00000002c0)=0x2) sched_setscheduler(r1, 0x2, &(0x7f0000000200)=0x4) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeef, 0x8031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r2, &(0x7f000057eff8)=@file={0x0, './file0\x00'}, 0x6e) sendmmsg$unix(r3, &(0x7f0000000000), 0x400000000000041, 0x0) sched_setaffinity(r1, 0x8, &(0x7f0000000240)=0x2) recvmmsg(r2, &(0x7f00000000c0), 0x10106, 0x2, 0x0) close(0xffffffffffffffff) mount$pvfs2(&(0x7f0000000040), &(0x7f0000000100)='./file0\x00', 0x0, 0x0, 0x0) sendmmsg$unix(0xffffffffffffffff, 0x0, 0x0, 0x0) write$6lowpan_control(r0, &(0x7f0000000000)='connect aa:aa:aa:aa:aa:10 0', 0x1b) process_vm_readv(0x0, &(0x7f0000000180)=[{&(0x7f0000000300)=""/54, 0x36}], 0x2328, &(0x7f0000008640)=[{0x0}], 0x1, 0x0) timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, 0x0) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): fsconfig$FSCONFIG_CMD_RECONFIGURE-openat$6lowpan_control-sendmsg$nl_route_sched-syz_genetlink_get_family_id$nfc-prlimit64-syz_emit_ethernet-sched_setscheduler-getpid-sched_setaffinity-sched_setscheduler-mmap-socketpair$unix-connect$unix-sendmmsg$unix-sched_setaffinity-recvmmsg-close-mount$pvfs2-sendmmsg$unix-write$6lowpan_control-timer_create-timer_settime detailed listing: executing program 0: fsconfig$FSCONFIG_CMD_RECONFIGURE(0xffffffffffffffff, 0x7, 0x0, 0x0, 0x0) r0 = openat$6lowpan_control(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000040)={&(0x7f00000000c0)=@newtaction={0xa4, 0x30, 0x1, 0x0, 0x0, {}, [{0x90, 0x1, [@m_ct={0x44, 0x2, 0x0, 0x0, {{0x7}, {0x1c, 0x2, 0x0, 0x1, [@TCA_CT_PARMS={0x18, 0x1, {0x9d, 0x11e41e7a, 0x20000000, 0x0, 0xf}}]}, {0x4}, {0xc, 0x7, {0x0, 0x1}}, {0xc, 0x8, {0x0, 0x1}}}}, @m_ife={0x48, 0x1, 0x0, 0x0, {{0x8}, {0x20, 0x2, 0x0, 0x1, [@TCA_IFE_PARMS={0x1c}]}, {0x4}, {0xc}, {0xc}}}]}]}, 0xa4}, 0x1, 0x0, 0x0, 0x804}, 0x0) syz_genetlink_get_family_id$nfc(0x0, 0xffffffffffffffff) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) syz_emit_ethernet(0x7f, &(0x7f0000000300)=ANY=[@ANYBLOB="ffffffffffff00230000000086dd60f2a40000492f00fe880000000000000000000000000001fe8000000000000000000000000000aa3420"], 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) r1 = getpid() sched_setaffinity(0x0, 0x8, &(0x7f00000002c0)=0x2) sched_setscheduler(r1, 0x2, &(0x7f0000000200)=0x4) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeef, 0x8031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r2, &(0x7f000057eff8)=@file={0x0, './file0\x00'}, 0x6e) sendmmsg$unix(r3, &(0x7f0000000000), 0x400000000000041, 0x0) sched_setaffinity(r1, 0x8, &(0x7f0000000240)=0x2) recvmmsg(r2, &(0x7f00000000c0), 0x10106, 0x2, 0x0) close(0xffffffffffffffff) mount$pvfs2(&(0x7f0000000040), &(0x7f0000000100)='./file0\x00', 0x0, 0x0, 0x0) sendmmsg$unix(0xffffffffffffffff, 0x0, 0x0, 0x0) write$6lowpan_control(r0, &(0x7f0000000000)='connect aa:aa:aa:aa:aa:10 0', 0x1b) timer_create(0x0, &(0x7f0000000080)={0x0, 0x11, 0x0, @thr={0x0, 0x0}}, &(0x7f0000000000)) timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, 0x0) program crashed: INFO: rcu detected stall in syscall_exit_to_user_mode testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): fsconfig$FSCONFIG_CMD_RECONFIGURE-openat$6lowpan_control-sendmsg$nl_route_sched-syz_genetlink_get_family_id$nfc-prlimit64-syz_emit_ethernet-sched_setscheduler-getpid-sched_setaffinity-sched_setscheduler-mmap-socketpair$unix-connect$unix-sendmmsg$unix-sched_setaffinity-recvmmsg-close-mount$pvfs2-sendmmsg$unix-timer_create-timer_settime detailed listing: executing program 0: fsconfig$FSCONFIG_CMD_RECONFIGURE(0xffffffffffffffff, 0x7, 0x0, 0x0, 0x0) openat$6lowpan_control(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000040)={&(0x7f00000000c0)=@newtaction={0xa4, 0x30, 0x1, 0x0, 0x0, {}, [{0x90, 0x1, [@m_ct={0x44, 0x2, 0x0, 0x0, {{0x7}, {0x1c, 0x2, 0x0, 0x1, [@TCA_CT_PARMS={0x18, 0x1, {0x9d, 0x11e41e7a, 0x20000000, 0x0, 0xf}}]}, {0x4}, {0xc, 0x7, {0x0, 0x1}}, {0xc, 0x8, {0x0, 0x1}}}}, @m_ife={0x48, 0x1, 0x0, 0x0, {{0x8}, {0x20, 0x2, 0x0, 0x1, [@TCA_IFE_PARMS={0x1c}]}, {0x4}, {0xc}, {0xc}}}]}]}, 0xa4}, 0x1, 0x0, 0x0, 0x804}, 0x0) syz_genetlink_get_family_id$nfc(0x0, 0xffffffffffffffff) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) syz_emit_ethernet(0x7f, &(0x7f0000000300)=ANY=[@ANYBLOB="ffffffffffff00230000000086dd60f2a40000492f00fe880000000000000000000000000001fe8000000000000000000000000000aa3420"], 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) r0 = getpid() sched_setaffinity(0x0, 0x8, &(0x7f00000002c0)=0x2) sched_setscheduler(r0, 0x2, &(0x7f0000000200)=0x4) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeef, 0x8031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@file={0x0, './file0\x00'}, 0x6e) sendmmsg$unix(r2, &(0x7f0000000000), 0x400000000000041, 0x0) sched_setaffinity(r0, 0x8, &(0x7f0000000240)=0x2) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) close(0xffffffffffffffff) mount$pvfs2(&(0x7f0000000040), &(0x7f0000000100)='./file0\x00', 0x0, 0x0, 0x0) sendmmsg$unix(0xffffffffffffffff, 0x0, 0x0, 0x0) timer_create(0x0, &(0x7f0000000080)={0x0, 0x11, 0x0, @thr={0x0, 0x0}}, &(0x7f0000000000)) timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): fsconfig$FSCONFIG_CMD_RECONFIGURE-openat$6lowpan_control-sendmsg$nl_route_sched-syz_genetlink_get_family_id$nfc-prlimit64-syz_emit_ethernet-sched_setscheduler-getpid-sched_setaffinity-sched_setscheduler-mmap-socketpair$unix-connect$unix-sendmmsg$unix-sched_setaffinity-recvmmsg-close-mount$pvfs2-timer_create-timer_settime detailed listing: executing program 0: fsconfig$FSCONFIG_CMD_RECONFIGURE(0xffffffffffffffff, 0x7, 0x0, 0x0, 0x0) openat$6lowpan_control(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000040)={&(0x7f00000000c0)=@newtaction={0xa4, 0x30, 0x1, 0x0, 0x0, {}, [{0x90, 0x1, [@m_ct={0x44, 0x2, 0x0, 0x0, {{0x7}, {0x1c, 0x2, 0x0, 0x1, [@TCA_CT_PARMS={0x18, 0x1, {0x9d, 0x11e41e7a, 0x20000000, 0x0, 0xf}}]}, {0x4}, {0xc, 0x7, {0x0, 0x1}}, {0xc, 0x8, {0x0, 0x1}}}}, @m_ife={0x48, 0x1, 0x0, 0x0, {{0x8}, {0x20, 0x2, 0x0, 0x1, [@TCA_IFE_PARMS={0x1c}]}, {0x4}, {0xc}, {0xc}}}]}]}, 0xa4}, 0x1, 0x0, 0x0, 0x804}, 0x0) syz_genetlink_get_family_id$nfc(0x0, 0xffffffffffffffff) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) syz_emit_ethernet(0x7f, &(0x7f0000000300)=ANY=[@ANYBLOB="ffffffffffff00230000000086dd60f2a40000492f00fe880000000000000000000000000001fe8000000000000000000000000000aa3420"], 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) r0 = getpid() sched_setaffinity(0x0, 0x8, &(0x7f00000002c0)=0x2) sched_setscheduler(r0, 0x2, &(0x7f0000000200)=0x4) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeef, 0x8031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@file={0x0, './file0\x00'}, 0x6e) sendmmsg$unix(r2, &(0x7f0000000000), 0x400000000000041, 0x0) sched_setaffinity(r0, 0x8, &(0x7f0000000240)=0x2) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) close(0xffffffffffffffff) mount$pvfs2(&(0x7f0000000040), &(0x7f0000000100)='./file0\x00', 0x0, 0x0, 0x0) timer_create(0x0, &(0x7f0000000080)={0x0, 0x11, 0x0, @thr={0x0, 0x0}}, &(0x7f0000000000)) timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, 0x0) program crashed: INFO: rcu detected stall in syscall_exit_to_user_mode testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): fsconfig$FSCONFIG_CMD_RECONFIGURE-openat$6lowpan_control-sendmsg$nl_route_sched-syz_genetlink_get_family_id$nfc-prlimit64-syz_emit_ethernet-sched_setscheduler-getpid-sched_setaffinity-sched_setscheduler-mmap-socketpair$unix-connect$unix-sendmmsg$unix-sched_setaffinity-recvmmsg-close-timer_create-timer_settime detailed listing: executing program 0: fsconfig$FSCONFIG_CMD_RECONFIGURE(0xffffffffffffffff, 0x7, 0x0, 0x0, 0x0) openat$6lowpan_control(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000040)={&(0x7f00000000c0)=@newtaction={0xa4, 0x30, 0x1, 0x0, 0x0, {}, [{0x90, 0x1, [@m_ct={0x44, 0x2, 0x0, 0x0, {{0x7}, {0x1c, 0x2, 0x0, 0x1, [@TCA_CT_PARMS={0x18, 0x1, {0x9d, 0x11e41e7a, 0x20000000, 0x0, 0xf}}]}, {0x4}, {0xc, 0x7, {0x0, 0x1}}, {0xc, 0x8, {0x0, 0x1}}}}, @m_ife={0x48, 0x1, 0x0, 0x0, {{0x8}, {0x20, 0x2, 0x0, 0x1, [@TCA_IFE_PARMS={0x1c}]}, {0x4}, {0xc}, {0xc}}}]}]}, 0xa4}, 0x1, 0x0, 0x0, 0x804}, 0x0) syz_genetlink_get_family_id$nfc(0x0, 0xffffffffffffffff) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) syz_emit_ethernet(0x7f, &(0x7f0000000300)=ANY=[@ANYBLOB="ffffffffffff00230000000086dd60f2a40000492f00fe880000000000000000000000000001fe8000000000000000000000000000aa3420"], 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) r0 = getpid() sched_setaffinity(0x0, 0x8, &(0x7f00000002c0)=0x2) sched_setscheduler(r0, 0x2, &(0x7f0000000200)=0x4) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeef, 0x8031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@file={0x0, './file0\x00'}, 0x6e) sendmmsg$unix(r2, &(0x7f0000000000), 0x400000000000041, 0x0) sched_setaffinity(r0, 0x8, &(0x7f0000000240)=0x2) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) close(0xffffffffffffffff) timer_create(0x0, &(0x7f0000000080)={0x0, 0x11, 0x0, @thr={0x0, 0x0}}, &(0x7f0000000000)) timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): fsconfig$FSCONFIG_CMD_RECONFIGURE-openat$6lowpan_control-sendmsg$nl_route_sched-syz_genetlink_get_family_id$nfc-prlimit64-syz_emit_ethernet-sched_setscheduler-getpid-sched_setaffinity-sched_setscheduler-mmap-socketpair$unix-connect$unix-sendmmsg$unix-sched_setaffinity-recvmmsg-mount$pvfs2-timer_create-timer_settime detailed listing: executing program 0: fsconfig$FSCONFIG_CMD_RECONFIGURE(0xffffffffffffffff, 0x7, 0x0, 0x0, 0x0) openat$6lowpan_control(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000040)={&(0x7f00000000c0)=@newtaction={0xa4, 0x30, 0x1, 0x0, 0x0, {}, [{0x90, 0x1, [@m_ct={0x44, 0x2, 0x0, 0x0, {{0x7}, {0x1c, 0x2, 0x0, 0x1, [@TCA_CT_PARMS={0x18, 0x1, {0x9d, 0x11e41e7a, 0x20000000, 0x0, 0xf}}]}, {0x4}, {0xc, 0x7, {0x0, 0x1}}, {0xc, 0x8, {0x0, 0x1}}}}, @m_ife={0x48, 0x1, 0x0, 0x0, {{0x8}, {0x20, 0x2, 0x0, 0x1, [@TCA_IFE_PARMS={0x1c}]}, {0x4}, {0xc}, {0xc}}}]}]}, 0xa4}, 0x1, 0x0, 0x0, 0x804}, 0x0) syz_genetlink_get_family_id$nfc(0x0, 0xffffffffffffffff) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) syz_emit_ethernet(0x7f, &(0x7f0000000300)=ANY=[@ANYBLOB="ffffffffffff00230000000086dd60f2a40000492f00fe880000000000000000000000000001fe8000000000000000000000000000aa3420"], 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) r0 = getpid() sched_setaffinity(0x0, 0x8, &(0x7f00000002c0)=0x2) sched_setscheduler(r0, 0x2, &(0x7f0000000200)=0x4) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeef, 0x8031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@file={0x0, './file0\x00'}, 0x6e) sendmmsg$unix(r2, &(0x7f0000000000), 0x400000000000041, 0x0) sched_setaffinity(r0, 0x8, &(0x7f0000000240)=0x2) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) mount$pvfs2(&(0x7f0000000040), &(0x7f0000000100)='./file0\x00', 0x0, 0x0, 0x0) timer_create(0x0, &(0x7f0000000080)={0x0, 0x11, 0x0, @thr={0x0, 0x0}}, &(0x7f0000000000)) timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, 0x0) program crashed: INFO: rcu detected stall in corrupted testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): fsconfig$FSCONFIG_CMD_RECONFIGURE-openat$6lowpan_control-sendmsg$nl_route_sched-syz_genetlink_get_family_id$nfc-prlimit64-syz_emit_ethernet-sched_setscheduler-getpid-sched_setaffinity-sched_setscheduler-mmap-socketpair$unix-connect$unix-sendmmsg$unix-sched_setaffinity-mount$pvfs2-timer_create-timer_settime detailed listing: executing program 0: fsconfig$FSCONFIG_CMD_RECONFIGURE(0xffffffffffffffff, 0x7, 0x0, 0x0, 0x0) openat$6lowpan_control(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000040)={&(0x7f00000000c0)=@newtaction={0xa4, 0x30, 0x1, 0x0, 0x0, {}, [{0x90, 0x1, [@m_ct={0x44, 0x2, 0x0, 0x0, {{0x7}, {0x1c, 0x2, 0x0, 0x1, [@TCA_CT_PARMS={0x18, 0x1, {0x9d, 0x11e41e7a, 0x20000000, 0x0, 0xf}}]}, {0x4}, {0xc, 0x7, {0x0, 0x1}}, {0xc, 0x8, {0x0, 0x1}}}}, @m_ife={0x48, 0x1, 0x0, 0x0, {{0x8}, {0x20, 0x2, 0x0, 0x1, [@TCA_IFE_PARMS={0x1c}]}, {0x4}, {0xc}, {0xc}}}]}]}, 0xa4}, 0x1, 0x0, 0x0, 0x804}, 0x0) syz_genetlink_get_family_id$nfc(0x0, 0xffffffffffffffff) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) syz_emit_ethernet(0x7f, &(0x7f0000000300)=ANY=[@ANYBLOB="ffffffffffff00230000000086dd60f2a40000492f00fe880000000000000000000000000001fe8000000000000000000000000000aa3420"], 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) r0 = getpid() sched_setaffinity(0x0, 0x8, &(0x7f00000002c0)=0x2) sched_setscheduler(r0, 0x2, &(0x7f0000000200)=0x4) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeef, 0x8031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@file={0x0, './file0\x00'}, 0x6e) sendmmsg$unix(r2, &(0x7f0000000000), 0x400000000000041, 0x0) sched_setaffinity(r0, 0x8, &(0x7f0000000240)=0x2) mount$pvfs2(&(0x7f0000000040), &(0x7f0000000100)='./file0\x00', 0x0, 0x0, 0x0) timer_create(0x0, &(0x7f0000000080)={0x0, 0x11, 0x0, @thr={0x0, 0x0}}, &(0x7f0000000000)) timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, 0x0) program crashed: INFO: rcu detected stall in syscall_exit_to_user_mode testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): fsconfig$FSCONFIG_CMD_RECONFIGURE-openat$6lowpan_control-sendmsg$nl_route_sched-syz_genetlink_get_family_id$nfc-prlimit64-syz_emit_ethernet-sched_setscheduler-getpid-sched_setaffinity-sched_setscheduler-mmap-socketpair$unix-connect$unix-sendmmsg$unix-mount$pvfs2-timer_create-timer_settime detailed listing: executing program 0: fsconfig$FSCONFIG_CMD_RECONFIGURE(0xffffffffffffffff, 0x7, 0x0, 0x0, 0x0) openat$6lowpan_control(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000040)={&(0x7f00000000c0)=@newtaction={0xa4, 0x30, 0x1, 0x0, 0x0, {}, [{0x90, 0x1, [@m_ct={0x44, 0x2, 0x0, 0x0, {{0x7}, {0x1c, 0x2, 0x0, 0x1, [@TCA_CT_PARMS={0x18, 0x1, {0x9d, 0x11e41e7a, 0x20000000, 0x0, 0xf}}]}, {0x4}, {0xc, 0x7, {0x0, 0x1}}, {0xc, 0x8, {0x0, 0x1}}}}, @m_ife={0x48, 0x1, 0x0, 0x0, {{0x8}, {0x20, 0x2, 0x0, 0x1, [@TCA_IFE_PARMS={0x1c}]}, {0x4}, {0xc}, {0xc}}}]}]}, 0xa4}, 0x1, 0x0, 0x0, 0x804}, 0x0) syz_genetlink_get_family_id$nfc(0x0, 0xffffffffffffffff) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) syz_emit_ethernet(0x7f, &(0x7f0000000300)=ANY=[@ANYBLOB="ffffffffffff00230000000086dd60f2a40000492f00fe880000000000000000000000000001fe8000000000000000000000000000aa3420"], 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) r0 = getpid() sched_setaffinity(0x0, 0x8, &(0x7f00000002c0)=0x2) sched_setscheduler(r0, 0x2, &(0x7f0000000200)=0x4) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeef, 0x8031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@file={0x0, './file0\x00'}, 0x6e) sendmmsg$unix(r2, &(0x7f0000000000), 0x400000000000041, 0x0) mount$pvfs2(&(0x7f0000000040), &(0x7f0000000100)='./file0\x00', 0x0, 0x0, 0x0) timer_create(0x0, &(0x7f0000000080)={0x0, 0x11, 0x0, @thr={0x0, 0x0}}, &(0x7f0000000000)) timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, 0x0) program crashed: INFO: rcu detected stall in syscall_exit_to_user_mode testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): fsconfig$FSCONFIG_CMD_RECONFIGURE-openat$6lowpan_control-sendmsg$nl_route_sched-syz_genetlink_get_family_id$nfc-prlimit64-syz_emit_ethernet-sched_setscheduler-getpid-sched_setaffinity-sched_setscheduler-mmap-socketpair$unix-connect$unix-mount$pvfs2-timer_create-timer_settime detailed listing: executing program 0: fsconfig$FSCONFIG_CMD_RECONFIGURE(0xffffffffffffffff, 0x7, 0x0, 0x0, 0x0) openat$6lowpan_control(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000040)={&(0x7f00000000c0)=@newtaction={0xa4, 0x30, 0x1, 0x0, 0x0, {}, [{0x90, 0x1, [@m_ct={0x44, 0x2, 0x0, 0x0, {{0x7}, {0x1c, 0x2, 0x0, 0x1, [@TCA_CT_PARMS={0x18, 0x1, {0x9d, 0x11e41e7a, 0x20000000, 0x0, 0xf}}]}, {0x4}, {0xc, 0x7, {0x0, 0x1}}, {0xc, 0x8, {0x0, 0x1}}}}, @m_ife={0x48, 0x1, 0x0, 0x0, {{0x8}, {0x20, 0x2, 0x0, 0x1, [@TCA_IFE_PARMS={0x1c}]}, {0x4}, {0xc}, {0xc}}}]}]}, 0xa4}, 0x1, 0x0, 0x0, 0x804}, 0x0) syz_genetlink_get_family_id$nfc(0x0, 0xffffffffffffffff) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) syz_emit_ethernet(0x7f, &(0x7f0000000300)=ANY=[@ANYBLOB="ffffffffffff00230000000086dd60f2a40000492f00fe880000000000000000000000000001fe8000000000000000000000000000aa3420"], 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) r0 = getpid() sched_setaffinity(0x0, 0x8, &(0x7f00000002c0)=0x2) sched_setscheduler(r0, 0x2, &(0x7f0000000200)=0x4) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeef, 0x8031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@file={0x0, './file0\x00'}, 0x6e) mount$pvfs2(&(0x7f0000000040), &(0x7f0000000100)='./file0\x00', 0x0, 0x0, 0x0) timer_create(0x0, &(0x7f0000000080)={0x0, 0x11, 0x0, @thr={0x0, 0x0}}, &(0x7f0000000000)) timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, 0x0) program crashed: INFO: rcu detected stall in batadv_nc_worker 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): fsconfig$FSCONFIG_CMD_RECONFIGURE-openat$6lowpan_control-sendmsg$nl_route_sched-syz_genetlink_get_family_id$nfc-prlimit64-syz_emit_ethernet-sched_setscheduler-getpid-sched_setaffinity-sched_setscheduler-mmap-socketpair$unix-mount$pvfs2-timer_create-timer_settime detailed listing: executing program 0: fsconfig$FSCONFIG_CMD_RECONFIGURE(0xffffffffffffffff, 0x7, 0x0, 0x0, 0x0) openat$6lowpan_control(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000040)={&(0x7f00000000c0)=@newtaction={0xa4, 0x30, 0x1, 0x0, 0x0, {}, [{0x90, 0x1, [@m_ct={0x44, 0x2, 0x0, 0x0, {{0x7}, {0x1c, 0x2, 0x0, 0x1, [@TCA_CT_PARMS={0x18, 0x1, {0x9d, 0x11e41e7a, 0x20000000, 0x0, 0xf}}]}, {0x4}, {0xc, 0x7, {0x0, 0x1}}, {0xc, 0x8, {0x0, 0x1}}}}, @m_ife={0x48, 0x1, 0x0, 0x0, {{0x8}, {0x20, 0x2, 0x0, 0x1, [@TCA_IFE_PARMS={0x1c}]}, {0x4}, {0xc}, {0xc}}}]}]}, 0xa4}, 0x1, 0x0, 0x0, 0x804}, 0x0) syz_genetlink_get_family_id$nfc(0x0, 0xffffffffffffffff) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) syz_emit_ethernet(0x7f, &(0x7f0000000300)=ANY=[@ANYBLOB="ffffffffffff00230000000086dd60f2a40000492f00fe880000000000000000000000000001fe8000000000000000000000000000aa3420"], 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) r0 = getpid() sched_setaffinity(0x0, 0x8, &(0x7f00000002c0)=0x2) sched_setscheduler(r0, 0x2, &(0x7f0000000200)=0x4) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeef, 0x8031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)) mount$pvfs2(&(0x7f0000000040), &(0x7f0000000100)='./file0\x00', 0x0, 0x0, 0x0) timer_create(0x0, &(0x7f0000000080)={0x0, 0x11, 0x0, @thr={0x0, 0x0}}, &(0x7f0000000000)) timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, 0x0) program crashed: INFO: rcu detected stall in syscall_exit_to_user_mode testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): fsconfig$FSCONFIG_CMD_RECONFIGURE-openat$6lowpan_control-sendmsg$nl_route_sched-syz_genetlink_get_family_id$nfc-prlimit64-syz_emit_ethernet-sched_setscheduler-getpid-sched_setaffinity-sched_setscheduler-mmap-mount$pvfs2-timer_create-timer_settime detailed listing: executing program 0: fsconfig$FSCONFIG_CMD_RECONFIGURE(0xffffffffffffffff, 0x7, 0x0, 0x0, 0x0) openat$6lowpan_control(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000040)={&(0x7f00000000c0)=@newtaction={0xa4, 0x30, 0x1, 0x0, 0x0, {}, [{0x90, 0x1, [@m_ct={0x44, 0x2, 0x0, 0x0, {{0x7}, {0x1c, 0x2, 0x0, 0x1, [@TCA_CT_PARMS={0x18, 0x1, {0x9d, 0x11e41e7a, 0x20000000, 0x0, 0xf}}]}, {0x4}, {0xc, 0x7, {0x0, 0x1}}, {0xc, 0x8, {0x0, 0x1}}}}, @m_ife={0x48, 0x1, 0x0, 0x0, {{0x8}, {0x20, 0x2, 0x0, 0x1, [@TCA_IFE_PARMS={0x1c}]}, {0x4}, {0xc}, {0xc}}}]}]}, 0xa4}, 0x1, 0x0, 0x0, 0x804}, 0x0) syz_genetlink_get_family_id$nfc(0x0, 0xffffffffffffffff) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) syz_emit_ethernet(0x7f, &(0x7f0000000300)=ANY=[@ANYBLOB="ffffffffffff00230000000086dd60f2a40000492f00fe880000000000000000000000000001fe8000000000000000000000000000aa3420"], 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) r0 = getpid() sched_setaffinity(0x0, 0x8, &(0x7f00000002c0)=0x2) sched_setscheduler(r0, 0x2, &(0x7f0000000200)=0x4) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeef, 0x8031, 0xffffffffffffffff, 0x0) mount$pvfs2(&(0x7f0000000040), &(0x7f0000000100)='./file0\x00', 0x0, 0x0, 0x0) timer_create(0x0, &(0x7f0000000080)={0x0, 0x11, 0x0, @thr={0x0, 0x0}}, &(0x7f0000000000)) timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, 0x0) program crashed: INFO: rcu detected stall in syscall_exit_to_user_mode 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): fsconfig$FSCONFIG_CMD_RECONFIGURE-openat$6lowpan_control-sendmsg$nl_route_sched-syz_genetlink_get_family_id$nfc-prlimit64-syz_emit_ethernet-sched_setscheduler-getpid-sched_setaffinity-sched_setscheduler-mount$pvfs2-timer_create-timer_settime detailed listing: executing program 0: fsconfig$FSCONFIG_CMD_RECONFIGURE(0xffffffffffffffff, 0x7, 0x0, 0x0, 0x0) openat$6lowpan_control(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000040)={&(0x7f00000000c0)=@newtaction={0xa4, 0x30, 0x1, 0x0, 0x0, {}, [{0x90, 0x1, [@m_ct={0x44, 0x2, 0x0, 0x0, {{0x7}, {0x1c, 0x2, 0x0, 0x1, [@TCA_CT_PARMS={0x18, 0x1, {0x9d, 0x11e41e7a, 0x20000000, 0x0, 0xf}}]}, {0x4}, {0xc, 0x7, {0x0, 0x1}}, {0xc, 0x8, {0x0, 0x1}}}}, @m_ife={0x48, 0x1, 0x0, 0x0, {{0x8}, {0x20, 0x2, 0x0, 0x1, [@TCA_IFE_PARMS={0x1c}]}, {0x4}, {0xc}, {0xc}}}]}]}, 0xa4}, 0x1, 0x0, 0x0, 0x804}, 0x0) syz_genetlink_get_family_id$nfc(0x0, 0xffffffffffffffff) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) syz_emit_ethernet(0x7f, &(0x7f0000000300)=ANY=[@ANYBLOB="ffffffffffff00230000000086dd60f2a40000492f00fe880000000000000000000000000001fe8000000000000000000000000000aa3420"], 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) r0 = getpid() sched_setaffinity(0x0, 0x8, &(0x7f00000002c0)=0x2) sched_setscheduler(r0, 0x2, &(0x7f0000000200)=0x4) mount$pvfs2(&(0x7f0000000040), &(0x7f0000000100)='./file0\x00', 0x0, 0x0, 0x0) timer_create(0x0, &(0x7f0000000080)={0x0, 0x11, 0x0, @thr={0x0, 0x0}}, &(0x7f0000000000)) timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): fsconfig$FSCONFIG_CMD_RECONFIGURE-openat$6lowpan_control-sendmsg$nl_route_sched-syz_genetlink_get_family_id$nfc-prlimit64-syz_emit_ethernet-sched_setscheduler-getpid-sched_setaffinity-mount$pvfs2-timer_create-timer_settime detailed listing: executing program 0: fsconfig$FSCONFIG_CMD_RECONFIGURE(0xffffffffffffffff, 0x7, 0x0, 0x0, 0x0) openat$6lowpan_control(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000040)={&(0x7f00000000c0)=@newtaction={0xa4, 0x30, 0x1, 0x0, 0x0, {}, [{0x90, 0x1, [@m_ct={0x44, 0x2, 0x0, 0x0, {{0x7}, {0x1c, 0x2, 0x0, 0x1, [@TCA_CT_PARMS={0x18, 0x1, {0x9d, 0x11e41e7a, 0x20000000, 0x0, 0xf}}]}, {0x4}, {0xc, 0x7, {0x0, 0x1}}, {0xc, 0x8, {0x0, 0x1}}}}, @m_ife={0x48, 0x1, 0x0, 0x0, {{0x8}, {0x20, 0x2, 0x0, 0x1, [@TCA_IFE_PARMS={0x1c}]}, {0x4}, {0xc}, {0xc}}}]}]}, 0xa4}, 0x1, 0x0, 0x0, 0x804}, 0x0) syz_genetlink_get_family_id$nfc(0x0, 0xffffffffffffffff) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) syz_emit_ethernet(0x7f, &(0x7f0000000300)=ANY=[@ANYBLOB="ffffffffffff00230000000086dd60f2a40000492f00fe880000000000000000000000000001fe8000000000000000000000000000aa3420"], 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) getpid() sched_setaffinity(0x0, 0x8, &(0x7f00000002c0)=0x2) mount$pvfs2(&(0x7f0000000040), &(0x7f0000000100)='./file0\x00', 0x0, 0x0, 0x0) timer_create(0x0, &(0x7f0000000080)={0x0, 0x11, 0x0, @thr={0x0, 0x0}}, &(0x7f0000000000)) timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): fsconfig$FSCONFIG_CMD_RECONFIGURE-openat$6lowpan_control-sendmsg$nl_route_sched-syz_genetlink_get_family_id$nfc-prlimit64-syz_emit_ethernet-sched_setscheduler-getpid-sched_setscheduler-mount$pvfs2-timer_create-timer_settime detailed listing: executing program 0: fsconfig$FSCONFIG_CMD_RECONFIGURE(0xffffffffffffffff, 0x7, 0x0, 0x0, 0x0) openat$6lowpan_control(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000040)={&(0x7f00000000c0)=@newtaction={0xa4, 0x30, 0x1, 0x0, 0x0, {}, [{0x90, 0x1, [@m_ct={0x44, 0x2, 0x0, 0x0, {{0x7}, {0x1c, 0x2, 0x0, 0x1, [@TCA_CT_PARMS={0x18, 0x1, {0x9d, 0x11e41e7a, 0x20000000, 0x0, 0xf}}]}, {0x4}, {0xc, 0x7, {0x0, 0x1}}, {0xc, 0x8, {0x0, 0x1}}}}, @m_ife={0x48, 0x1, 0x0, 0x0, {{0x8}, {0x20, 0x2, 0x0, 0x1, [@TCA_IFE_PARMS={0x1c}]}, {0x4}, {0xc}, {0xc}}}]}]}, 0xa4}, 0x1, 0x0, 0x0, 0x804}, 0x0) syz_genetlink_get_family_id$nfc(0x0, 0xffffffffffffffff) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) syz_emit_ethernet(0x7f, &(0x7f0000000300)=ANY=[@ANYBLOB="ffffffffffff00230000000086dd60f2a40000492f00fe880000000000000000000000000001fe8000000000000000000000000000aa3420"], 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) r0 = getpid() sched_setscheduler(r0, 0x2, &(0x7f0000000200)=0x4) mount$pvfs2(&(0x7f0000000040), &(0x7f0000000100)='./file0\x00', 0x0, 0x0, 0x0) timer_create(0x0, &(0x7f0000000080)={0x0, 0x11, 0x0, @thr={0x0, 0x0}}, &(0x7f0000000000)) timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, 0x0) program crashed: INFO: rcu detected stall in syscall_exit_to_user_mode 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): fsconfig$FSCONFIG_CMD_RECONFIGURE-openat$6lowpan_control-sendmsg$nl_route_sched-syz_genetlink_get_family_id$nfc-prlimit64-syz_emit_ethernet-sched_setscheduler-sched_setscheduler-mount$pvfs2-timer_create-timer_settime detailed listing: executing program 0: fsconfig$FSCONFIG_CMD_RECONFIGURE(0xffffffffffffffff, 0x7, 0x0, 0x0, 0x0) openat$6lowpan_control(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000040)={&(0x7f00000000c0)=@newtaction={0xa4, 0x30, 0x1, 0x0, 0x0, {}, [{0x90, 0x1, [@m_ct={0x44, 0x2, 0x0, 0x0, {{0x7}, {0x1c, 0x2, 0x0, 0x1, [@TCA_CT_PARMS={0x18, 0x1, {0x9d, 0x11e41e7a, 0x20000000, 0x0, 0xf}}]}, {0x4}, {0xc, 0x7, {0x0, 0x1}}, {0xc, 0x8, {0x0, 0x1}}}}, @m_ife={0x48, 0x1, 0x0, 0x0, {{0x8}, {0x20, 0x2, 0x0, 0x1, [@TCA_IFE_PARMS={0x1c}]}, {0x4}, {0xc}, {0xc}}}]}]}, 0xa4}, 0x1, 0x0, 0x0, 0x804}, 0x0) syz_genetlink_get_family_id$nfc(0x0, 0xffffffffffffffff) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) syz_emit_ethernet(0x7f, &(0x7f0000000300)=ANY=[@ANYBLOB="ffffffffffff00230000000086dd60f2a40000492f00fe880000000000000000000000000001fe8000000000000000000000000000aa3420"], 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) sched_setscheduler(0x0, 0x2, &(0x7f0000000200)=0x4) mount$pvfs2(&(0x7f0000000040), &(0x7f0000000100)='./file0\x00', 0x0, 0x0, 0x0) timer_create(0x0, &(0x7f0000000080)={0x0, 0x11, 0x0, @thr={0x0, 0x0}}, &(0x7f0000000000)) timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, 0x0) program crashed: INFO: rcu detected stall in syscall_exit_to_user_mode 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): fsconfig$FSCONFIG_CMD_RECONFIGURE-openat$6lowpan_control-sendmsg$nl_route_sched-syz_genetlink_get_family_id$nfc-prlimit64-syz_emit_ethernet-sched_setscheduler-mount$pvfs2-timer_create-timer_settime detailed listing: executing program 0: fsconfig$FSCONFIG_CMD_RECONFIGURE(0xffffffffffffffff, 0x7, 0x0, 0x0, 0x0) openat$6lowpan_control(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000040)={&(0x7f00000000c0)=@newtaction={0xa4, 0x30, 0x1, 0x0, 0x0, {}, [{0x90, 0x1, [@m_ct={0x44, 0x2, 0x0, 0x0, {{0x7}, {0x1c, 0x2, 0x0, 0x1, [@TCA_CT_PARMS={0x18, 0x1, {0x9d, 0x11e41e7a, 0x20000000, 0x0, 0xf}}]}, {0x4}, {0xc, 0x7, {0x0, 0x1}}, {0xc, 0x8, {0x0, 0x1}}}}, @m_ife={0x48, 0x1, 0x0, 0x0, {{0x8}, {0x20, 0x2, 0x0, 0x1, [@TCA_IFE_PARMS={0x1c}]}, {0x4}, {0xc}, {0xc}}}]}]}, 0xa4}, 0x1, 0x0, 0x0, 0x804}, 0x0) syz_genetlink_get_family_id$nfc(0x0, 0xffffffffffffffff) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) syz_emit_ethernet(0x7f, &(0x7f0000000300)=ANY=[@ANYBLOB="ffffffffffff00230000000086dd60f2a40000492f00fe880000000000000000000000000001fe8000000000000000000000000000aa3420"], 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000200)=0x4) mount$pvfs2(&(0x7f0000000040), &(0x7f0000000100)='./file0\x00', 0x0, 0x0, 0x0) timer_create(0x0, &(0x7f0000000080)={0x0, 0x11, 0x0, @thr={0x0, 0x0}}, &(0x7f0000000000)) timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, 0x0) program crashed: INFO: rcu detected stall in syscall_exit_to_user_mode 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): fsconfig$FSCONFIG_CMD_RECONFIGURE-openat$6lowpan_control-sendmsg$nl_route_sched-syz_genetlink_get_family_id$nfc-prlimit64-sched_setscheduler-mount$pvfs2-timer_create-timer_settime detailed listing: executing program 0: fsconfig$FSCONFIG_CMD_RECONFIGURE(0xffffffffffffffff, 0x7, 0x0, 0x0, 0x0) openat$6lowpan_control(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000040)={&(0x7f00000000c0)=@newtaction={0xa4, 0x30, 0x1, 0x0, 0x0, {}, [{0x90, 0x1, [@m_ct={0x44, 0x2, 0x0, 0x0, {{0x7}, {0x1c, 0x2, 0x0, 0x1, [@TCA_CT_PARMS={0x18, 0x1, {0x9d, 0x11e41e7a, 0x20000000, 0x0, 0xf}}]}, {0x4}, {0xc, 0x7, {0x0, 0x1}}, {0xc, 0x8, {0x0, 0x1}}}}, @m_ife={0x48, 0x1, 0x0, 0x0, {{0x8}, {0x20, 0x2, 0x0, 0x1, [@TCA_IFE_PARMS={0x1c}]}, {0x4}, {0xc}, {0xc}}}]}]}, 0xa4}, 0x1, 0x0, 0x0, 0x804}, 0x0) syz_genetlink_get_family_id$nfc(0x0, 0xffffffffffffffff) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000200)=0x4) mount$pvfs2(&(0x7f0000000040), &(0x7f0000000100)='./file0\x00', 0x0, 0x0, 0x0) timer_create(0x0, &(0x7f0000000080)={0x0, 0x11, 0x0, @thr={0x0, 0x0}}, &(0x7f0000000000)) timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): fsconfig$FSCONFIG_CMD_RECONFIGURE-openat$6lowpan_control-sendmsg$nl_route_sched-syz_genetlink_get_family_id$nfc-sched_setscheduler-mount$pvfs2-timer_create-timer_settime detailed listing: executing program 0: fsconfig$FSCONFIG_CMD_RECONFIGURE(0xffffffffffffffff, 0x7, 0x0, 0x0, 0x0) openat$6lowpan_control(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000040)={&(0x7f00000000c0)=@newtaction={0xa4, 0x30, 0x1, 0x0, 0x0, {}, [{0x90, 0x1, [@m_ct={0x44, 0x2, 0x0, 0x0, {{0x7}, {0x1c, 0x2, 0x0, 0x1, [@TCA_CT_PARMS={0x18, 0x1, {0x9d, 0x11e41e7a, 0x20000000, 0x0, 0xf}}]}, {0x4}, {0xc, 0x7, {0x0, 0x1}}, {0xc, 0x8, {0x0, 0x1}}}}, @m_ife={0x48, 0x1, 0x0, 0x0, {{0x8}, {0x20, 0x2, 0x0, 0x1, [@TCA_IFE_PARMS={0x1c}]}, {0x4}, {0xc}, {0xc}}}]}]}, 0xa4}, 0x1, 0x0, 0x0, 0x804}, 0x0) syz_genetlink_get_family_id$nfc(0x0, 0xffffffffffffffff) sched_setscheduler(0x0, 0x2, &(0x7f0000000200)=0x4) mount$pvfs2(&(0x7f0000000040), &(0x7f0000000100)='./file0\x00', 0x0, 0x0, 0x0) timer_create(0x0, &(0x7f0000000080)={0x0, 0x11, 0x0, @thr={0x0, 0x0}}, &(0x7f0000000000)) timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): fsconfig$FSCONFIG_CMD_RECONFIGURE-openat$6lowpan_control-sendmsg$nl_route_sched-prlimit64-sched_setscheduler-mount$pvfs2-timer_create-timer_settime detailed listing: executing program 0: fsconfig$FSCONFIG_CMD_RECONFIGURE(0xffffffffffffffff, 0x7, 0x0, 0x0, 0x0) openat$6lowpan_control(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000040)={&(0x7f00000000c0)=@newtaction={0xa4, 0x30, 0x1, 0x0, 0x0, {}, [{0x90, 0x1, [@m_ct={0x44, 0x2, 0x0, 0x0, {{0x7}, {0x1c, 0x2, 0x0, 0x1, [@TCA_CT_PARMS={0x18, 0x1, {0x9d, 0x11e41e7a, 0x20000000, 0x0, 0xf}}]}, {0x4}, {0xc, 0x7, {0x0, 0x1}}, {0xc, 0x8, {0x0, 0x1}}}}, @m_ife={0x48, 0x1, 0x0, 0x0, {{0x8}, {0x20, 0x2, 0x0, 0x1, [@TCA_IFE_PARMS={0x1c}]}, {0x4}, {0xc}, {0xc}}}]}]}, 0xa4}, 0x1, 0x0, 0x0, 0x804}, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000200)=0x4) mount$pvfs2(&(0x7f0000000040), &(0x7f0000000100)='./file0\x00', 0x0, 0x0, 0x0) timer_create(0x0, &(0x7f0000000080)={0x0, 0x11, 0x0, @thr={0x0, 0x0}}, &(0x7f0000000000)) timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, 0x0) program crashed: INFO: rcu detected stall in syscall_exit_to_user_mode testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): fsconfig$FSCONFIG_CMD_RECONFIGURE-openat$6lowpan_control-prlimit64-sched_setscheduler-mount$pvfs2-timer_create-timer_settime detailed listing: executing program 0: fsconfig$FSCONFIG_CMD_RECONFIGURE(0xffffffffffffffff, 0x7, 0x0, 0x0, 0x0) openat$6lowpan_control(0xffffffffffffff9c, &(0x7f0000000100), 0x2, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000200)=0x4) mount$pvfs2(&(0x7f0000000040), &(0x7f0000000100)='./file0\x00', 0x0, 0x0, 0x0) timer_create(0x0, &(0x7f0000000080)={0x0, 0x11, 0x0, @thr={0x0, 0x0}}, &(0x7f0000000000)) timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): fsconfig$FSCONFIG_CMD_RECONFIGURE-prlimit64-sched_setscheduler-mount$pvfs2-timer_create-timer_settime detailed listing: executing program 0: fsconfig$FSCONFIG_CMD_RECONFIGURE(0xffffffffffffffff, 0x7, 0x0, 0x0, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000200)=0x4) mount$pvfs2(&(0x7f0000000040), &(0x7f0000000100)='./file0\x00', 0x0, 0x0, 0x0) timer_create(0x0, &(0x7f0000000080)={0x0, 0x11, 0x0, @thr={0x0, 0x0}}, &(0x7f0000000000)) timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, 0x0) program crashed: INFO: rcu detected stall in syscall_exit_to_user_mode 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-mount$pvfs2-timer_create-timer_settime detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000200)=0x4) mount$pvfs2(&(0x7f0000000040), &(0x7f0000000100)='./file0\x00', 0x0, 0x0, 0x0) timer_create(0x0, &(0x7f0000000080)={0x0, 0x11, 0x0, @thr={0x0, 0x0}}, &(0x7f0000000000)) timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-mount$pvfs2-timer_create-timer_settime detailed listing: executing program 0: prlimit64(0x0, 0xe, 0x0, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000200)=0x4) mount$pvfs2(&(0x7f0000000040), &(0x7f0000000100)='./file0\x00', 0x0, 0x0, 0x0) timer_create(0x0, &(0x7f0000000080)={0x0, 0x11, 0x0, @thr={0x0, 0x0}}, &(0x7f0000000000)) timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-mount$pvfs2-timer_create-timer_settime detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, 0x0) mount$pvfs2(&(0x7f0000000040), &(0x7f0000000100)='./file0\x00', 0x0, 0x0, 0x0) timer_create(0x0, &(0x7f0000000080)={0x0, 0x11, 0x0, @thr={0x0, 0x0}}, &(0x7f0000000000)) timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-mount$pvfs2-timer_create-timer_settime detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000200)=0x4) mount$pvfs2(0x0, &(0x7f0000000100)='./file0\x00', 0x0, 0x0, 0x0) timer_create(0x0, &(0x7f0000000080)={0x0, 0x11, 0x0, @thr={0x0, 0x0}}, &(0x7f0000000000)) timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, 0x0) program crashed: INFO: rcu detected stall in rt_sigreturn 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-mount$pvfs2-timer_create-timer_settime detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000200)=0x4) mount$pvfs2(0x0, 0x0, 0x0, 0x0, 0x0) timer_create(0x0, &(0x7f0000000080)={0x0, 0x11, 0x0, @thr={0x0, 0x0}}, &(0x7f0000000000)) timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, 0x0) program crashed: INFO: rcu detected stall in syscall_exit_to_user_mode 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-mount$pvfs2-timer_create-timer_settime detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000200)=0x4) mount$pvfs2(0x0, 0x0, 0x0, 0x0, 0x0) timer_create(0x0, 0x0, &(0x7f0000000000)) timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-mount$pvfs2-timer_create-timer_settime detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000200)=0x4) mount$pvfs2(0x0, 0x0, 0x0, 0x0, 0x0) timer_create(0x0, &(0x7f0000000080)={0x0, 0x11, 0x0, @thr={0x0, 0x0}}, 0x0) timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-mount$pvfs2-timer_create-timer_settime detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000200)=0x4) mount$pvfs2(0x0, 0x0, 0x0, 0x0, 0x0) timer_create(0x0, &(0x7f0000000080)={0x0, 0x11, 0x0, @thr={0x0, 0x0}}, &(0x7f0000000000)) timer_settime(0x0, 0x0, 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-mount$pvfs2-timer_create-timer_settime program crashed: no output from test machine a never seen crash title: no output from test machine, ignore simplifying guilty program options testing program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-mount$pvfs2-timer_create-timer_settime detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000200)=0x4) mount$pvfs2(0x0, 0x0, 0x0, 0x0, 0x0) timer_create(0x0, &(0x7f0000000080)={0x0, 0x11, 0x0, @thr={0x0, 0x0}}, &(0x7f0000000000)) timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, 0x0) program crashed: INFO: rcu detected stall in rt_sigreturn extracting C reproducer testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-mount$pvfs2-timer_create-timer_settime program crashed: no output from test machine a never seen crash title: no output from test machine, ignore testing program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-mount$pvfs2-timer_create-timer_settime detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000200)=0x4) mount$pvfs2(0x0, 0x0, 0x0, 0x0, 0x0) timer_create(0x0, &(0x7f0000000080)={0x0, 0x11, 0x0, @thr={0x0, 0x0}}, &(0x7f0000000000)) timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, 0x0) program did not crash reproducing took 2h33m23.313702399s repro crashed as (corrupted=false): rcu: INFO: rcu_preempt self-detected stall on CPU rcu: 0-...!: (10500 ticks this GP) idle=23f/1/0x4000000000000000 softirq=6641/6641 fqs=16 (t=10502 jiffies g=6361 q=793) rcu: rcu_preempt kthread starved for 10470 jiffies! g6361 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. rcu: RCU grace-period kthread stack dump: task:rcu_preempt state:R running task stack:27064 pid: 15 ppid: 2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:5027 [inline] __schedule+0x12c4/0x45b0 kernel/sched/core.c:6373 schedule+0x11b/0x1f0 kernel/sched/core.c:6456 schedule_timeout+0x1b9/0x300 kernel/time/timer.c:1914 rcu_gp_fqs_loop+0x2bf/0x1080 kernel/rcu/tree.c:1972 rcu_gp_kthread+0xa4/0x360 kernel/rcu/tree.c:2145 kthread+0x3f6/0x4f0 kernel/kthread.c:334 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287 rcu: Stack dump where RCU GP kthread last ran: Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 4341 Comm: syz.4.20 Not tainted 5.15.173-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 RIP: 0010:__kasan_check_write+0x6/0x10 mm/kasan/shadow.c:37 Code: c7 c7 8f e0 3c 8c 4c 89 fe e8 66 25 73 08 31 db eb d7 cc cc 89 f6 48 8b 0c 24 31 d2 e9 63 ef ff ff 0f 1f 00 89 f6 48 8b 0c 24 01 00 00 00 e9 50 ef ff ff 55 41 56 53 48 89 d3 41 89 f6 48 89 RSP: 0018:ffffc9000338fa98 EFLAGS: 00000246 RAX: 00007ffdc7048080 RBX: 00007ffdc7048250 RCX: ffffffff812f401b RDX: 0000000000000000 RSI: 0000000000000030 RDI: ffffc9000338fbb0 RBP: ffffc9000338fc50 R08: dffffc0000000000 R09: fffffbfff1c14b16 R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000 R13: 00007ffdc7048080 R14: ffffc9000338fbb0 R15: dffffc0000000000 FS: 000055557f8d3500(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000002006b000 CR3: 000000002af67000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: instrument_copy_from_user include/linux/instrumented.h:135 [inline] __copy_from_user include/linux/uaccess.h:112 [inline] check_xstate_in_sigframe arch/x86/kernel/fpu/signal.c:33 [inline] __fpu_restore_sig arch/x86/kernel/fpu/signal.c:317 [inline] fpu__restore_sig+0x21b/0x1100 arch/x86/kernel/fpu/signal.c:466 restore_sigcontext+0x638/0x710 arch/x86/kernel/signal.c:139 __do_sys_rt_sigreturn+0x190/0x250 arch/x86/kernel/signal.c:674 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 RIP: 0033:0x7fee3d931d21 Code: 00 00 00 00 00 0f 1f 40 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 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f RSP: 002b:00007ffdc7048478 EFLAGS: 00000217 RAX: 0000000000000000 RBX: 00007fee3db21fa0 RCX: 00007fee3d931d19 RDX: 000000002006b000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00007fee3d9ada20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fee3db21fa0 R14: 00007fee3db21fa0 R15: 0000000000001806 NMI backtrace for cpu 0 CPU: 0 PID: 4340 Comm: syz.0.16 Not tainted 5.15.173-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x1e3/0x2d0 lib/dump_stack.c:106 nmi_cpu_backtrace+0x46a/0x4a0 lib/nmi_backtrace.c:111 nmi_trigger_cpumask_backtrace+0x181/0x2a0 lib/nmi_backtrace.c:62 trigger_single_cpu_backtrace include/linux/nmi.h:166 [inline] rcu_dump_cpu_stacks+0x223/0x390 kernel/rcu/tree_stall.h:349 print_cpu_stall+0x320/0x600 kernel/rcu/tree_stall.h:633 check_cpu_stall kernel/rcu/tree_stall.h:727 [inline] rcu_pending kernel/rcu/tree.c:3932 [inline] rcu_sched_clock_irq+0x8d9/0x1150 kernel/rcu/tree.c:2619 update_process_times+0x196/0x200 kernel/time/timer.c:1818 tick_sched_handle kernel/time/tick-sched.c:254 [inline] tick_sched_timer+0x386/0x550 kernel/time/tick-sched.c:1473 __run_hrtimer kernel/time/hrtimer.c:1688 [inline] __hrtimer_run_queues+0x55b/0xcf0 kernel/time/hrtimer.c:1752 hrtimer_interrupt+0x392/0x980 kernel/time/hrtimer.c:1814 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1097 [inline] __sysvec_apic_timer_interrupt+0x13b/0x4b0 arch/x86/kernel/apic/apic.c:1114 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1108 [inline] sysvec_apic_timer_interrupt+0x9b/0xc0 arch/x86/kernel/apic/apic.c:1108 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:676 RIP: 0010:restore_sigcontext+0x574/0x710 Code: 9d a0 00 00 00 48 89 d8 48 c1 e8 03 48 89 44 24 20 42 80 3c 30 00 74 08 48 89 df e8 26 d1 9d 00 48 89 5c 24 10 4c 89 64 24 28 <48> 8b 44 24 18 49 89 85 a0 00 00 00 49 8d 9d 90 00 00 00 48 89 d8 RSP: 0018:ffffc9000336fc60 EFLAGS: 00000246 RAX: 1ffff9200066dfff RBX: ffffc9000336fff8 RCX: 0000000000000000 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffc9000336fd56 RBP: ffffc9000336fe50 R08: ffffffff84139f85 R09: fffff5200066dfb0 R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000033 R13: ffffc9000336ff58 R14: dffffc0000000000 R15: ffffc9000336fcc0 __do_sys_rt_sigreturn+0x190/0x250 arch/x86/kernel/signal.c:674 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 RIP: 0033:0x7fba20ae0d19 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffeb85d7da8 EFLAGS: 00000246 ORIG_RAX: 000000000000000f RAX: 0000000000000000 RBX: 00007fba20cd0fa0 RCX: 00007fba20ae0d19 RDX: 000000002006b000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00007fba20b5ca20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fba20cd0fa0 R14: 00007fba20cd0fa0 R15: 0000000000001806 sched: RT throttling activated final repro crashed as (corrupted=false): rcu: INFO: rcu_preempt self-detected stall on CPU rcu: 0-...!: (10500 ticks this GP) idle=23f/1/0x4000000000000000 softirq=6641/6641 fqs=16 (t=10502 jiffies g=6361 q=793) rcu: rcu_preempt kthread starved for 10470 jiffies! g6361 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. rcu: RCU grace-period kthread stack dump: task:rcu_preempt state:R running task stack:27064 pid: 15 ppid: 2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:5027 [inline] __schedule+0x12c4/0x45b0 kernel/sched/core.c:6373 schedule+0x11b/0x1f0 kernel/sched/core.c:6456 schedule_timeout+0x1b9/0x300 kernel/time/timer.c:1914 rcu_gp_fqs_loop+0x2bf/0x1080 kernel/rcu/tree.c:1972 rcu_gp_kthread+0xa4/0x360 kernel/rcu/tree.c:2145 kthread+0x3f6/0x4f0 kernel/kthread.c:334 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287 rcu: Stack dump where RCU GP kthread last ran: Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 4341 Comm: syz.4.20 Not tainted 5.15.173-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 RIP: 0010:__kasan_check_write+0x6/0x10 mm/kasan/shadow.c:37 Code: c7 c7 8f e0 3c 8c 4c 89 fe e8 66 25 73 08 31 db eb d7 cc cc 89 f6 48 8b 0c 24 31 d2 e9 63 ef ff ff 0f 1f 00 89 f6 48 8b 0c 24 01 00 00 00 e9 50 ef ff ff 55 41 56 53 48 89 d3 41 89 f6 48 89 RSP: 0018:ffffc9000338fa98 EFLAGS: 00000246 RAX: 00007ffdc7048080 RBX: 00007ffdc7048250 RCX: ffffffff812f401b RDX: 0000000000000000 RSI: 0000000000000030 RDI: ffffc9000338fbb0 RBP: ffffc9000338fc50 R08: dffffc0000000000 R09: fffffbfff1c14b16 R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000 R13: 00007ffdc7048080 R14: ffffc9000338fbb0 R15: dffffc0000000000 FS: 000055557f8d3500(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000002006b000 CR3: 000000002af67000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: instrument_copy_from_user include/linux/instrumented.h:135 [inline] __copy_from_user include/linux/uaccess.h:112 [inline] check_xstate_in_sigframe arch/x86/kernel/fpu/signal.c:33 [inline] __fpu_restore_sig arch/x86/kernel/fpu/signal.c:317 [inline] fpu__restore_sig+0x21b/0x1100 arch/x86/kernel/fpu/signal.c:466 restore_sigcontext+0x638/0x710 arch/x86/kernel/signal.c:139 __do_sys_rt_sigreturn+0x190/0x250 arch/x86/kernel/signal.c:674 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 RIP: 0033:0x7fee3d931d21 Code: 00 00 00 00 00 0f 1f 40 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 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f RSP: 002b:00007ffdc7048478 EFLAGS: 00000217 RAX: 0000000000000000 RBX: 00007fee3db21fa0 RCX: 00007fee3d931d19 RDX: 000000002006b000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00007fee3d9ada20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fee3db21fa0 R14: 00007fee3db21fa0 R15: 0000000000001806 NMI backtrace for cpu 0 CPU: 0 PID: 4340 Comm: syz.0.16 Not tainted 5.15.173-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x1e3/0x2d0 lib/dump_stack.c:106 nmi_cpu_backtrace+0x46a/0x4a0 lib/nmi_backtrace.c:111 nmi_trigger_cpumask_backtrace+0x181/0x2a0 lib/nmi_backtrace.c:62 trigger_single_cpu_backtrace include/linux/nmi.h:166 [inline] rcu_dump_cpu_stacks+0x223/0x390 kernel/rcu/tree_stall.h:349 print_cpu_stall+0x320/0x600 kernel/rcu/tree_stall.h:633 check_cpu_stall kernel/rcu/tree_stall.h:727 [inline] rcu_pending kernel/rcu/tree.c:3932 [inline] rcu_sched_clock_irq+0x8d9/0x1150 kernel/rcu/tree.c:2619 update_process_times+0x196/0x200 kernel/time/timer.c:1818 tick_sched_handle kernel/time/tick-sched.c:254 [inline] tick_sched_timer+0x386/0x550 kernel/time/tick-sched.c:1473 __run_hrtimer kernel/time/hrtimer.c:1688 [inline] __hrtimer_run_queues+0x55b/0xcf0 kernel/time/hrtimer.c:1752 hrtimer_interrupt+0x392/0x980 kernel/time/hrtimer.c:1814 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1097 [inline] __sysvec_apic_timer_interrupt+0x13b/0x4b0 arch/x86/kernel/apic/apic.c:1114 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1108 [inline] sysvec_apic_timer_interrupt+0x9b/0xc0 arch/x86/kernel/apic/apic.c:1108 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:676 RIP: 0010:restore_sigcontext+0x574/0x710 Code: 9d a0 00 00 00 48 89 d8 48 c1 e8 03 48 89 44 24 20 42 80 3c 30 00 74 08 48 89 df e8 26 d1 9d 00 48 89 5c 24 10 4c 89 64 24 28 <48> 8b 44 24 18 49 89 85 a0 00 00 00 49 8d 9d 90 00 00 00 48 89 d8 RSP: 0018:ffffc9000336fc60 EFLAGS: 00000246 RAX: 1ffff9200066dfff RBX: ffffc9000336fff8 RCX: 0000000000000000 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffc9000336fd56 RBP: ffffc9000336fe50 R08: ffffffff84139f85 R09: fffff5200066dfb0 R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000033 R13: ffffc9000336ff58 R14: dffffc0000000000 R15: ffffc9000336fcc0 __do_sys_rt_sigreturn+0x190/0x250 arch/x86/kernel/signal.c:674 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 RIP: 0033:0x7fba20ae0d19 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffeb85d7da8 EFLAGS: 00000246 ORIG_RAX: 000000000000000f RAX: 0000000000000000 RBX: 00007fba20cd0fa0 RCX: 00007fba20ae0d19 RDX: 000000002006b000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00007fba20b5ca20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fba20cd0fa0 R14: 00007fba20cd0fa0 R15: 0000000000001806 sched: RT throttling activated