Extracting prog: 16m10.789127119s Minimizing prog: 1h51m33.68013683s Simplifying prog options: 0s Extracting C: 2m18.075618336s Simplifying C: 1h3m5.38396388s extracting reproducer from 24 programs testing a last program of every proc single: executing 4 programs separately with timeout 6m0s testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_generic-prlimit64-sched_setscheduler-getpid-sched_setscheduler-mmap-socketpair$unix-connect$unix-sendmmsg$unix-recvmmsg-sched_setscheduler-socket$can_bcm-socket$nl_sock_diag-link-sendmsg$TCPDIAG_GETSOCK-ioctl$BLKPG-connect$unix-syz_mount_image$udf-openat-write$UHID_INPUT detailed listing: executing program 0: socket$nl_generic(0x10, 0x3, 0x10) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x100}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000240)=0x7) r0 = getpid() sched_setscheduler(r0, 0x2, &(0x7f0000000200)=0x7) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@file={0x0, './cgroup\x00'}, 0x6e) sendmmsg$unix(r2, &(0x7f0000000000), 0x651, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000000)=0x6) socket$can_bcm(0x1d, 0x2, 0x2) r3 = socket$nl_sock_diag(0x10, 0x3, 0x4) link(&(0x7f00000001c0)='./cgroup\x00', 0x0) sendmsg$TCPDIAG_GETSOCK(r3, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000100)={0x54, 0x12, 0x1, 0x0, 0x0, {}, [@INET_DIAG_REQ_BYTECODE={0x8, 0x3, "06010000"}]}, 0x54}}, 0x0) ioctl$BLKPG(0xffffffffffffffff, 0x1269, 0x0) connect$unix(r1, 0x0, 0x0) syz_mount_image$udf(&(0x7f0000000080), &(0x7f0000000100)='./bus\x00', 0x18418, &(0x7f00000003c0)=ANY=[@ANYRES32=0x0, @ANYBLOB="9c8a4f967ca55468510ec76d6db61f", @ANYRES32=0x0, @ANYRESHEX, @ANYRESDEC=0x0, @ANYRESHEX=0x0, @ANYRESOCT=0x0, @ANYRESOCT], 0xfe, 0x4b5, &(0x7f0000000680)="$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") r4 = openat(0xffffffffffffff9c, &(0x7f0000000180)='./cgroup\x00', 0x101042, 0x0) write$UHID_INPUT(r4, 0x0, 0x0) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_netfilter-openat$misdntimer-socketpair$unix-connect$unix-sendmmsg$unix-recvmmsg-prctl$PR_SCHED_CORE-syz_io_uring_setup-connect$inet-syz_memcpy_off$IO_URING_METADATA_GENERIC-syz_io_uring_submit-io_uring_enter detailed listing: executing program 0: socket$nl_netfilter(0x10, 0x3, 0xc) openat$misdntimer(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) socketpair$unix(0x1, 0x3, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r0, &(0x7f000057eff8)=@abs, 0x6e) sendmmsg$unix(r1, &(0x7f00000bd000), 0x318, 0x0) recvmmsg(r0, &(0x7f00000000c0), 0x10106, 0x2, 0x0) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r2 = syz_io_uring_setup(0xbdc, &(0x7f0000000640)={0x0, 0xec25, 0x400, 0x1, 0x40000333}, &(0x7f00000006c0)=0x0, &(0x7f00000001c0)=0x0) connect$inet(0xffffffffffffffff, 0x0, 0x0) syz_memcpy_off$IO_URING_METADATA_GENERIC(r3, 0x4, &(0x7f0000000180)=0xfffffffc, 0x0, 0x4) syz_io_uring_submit(r3, r4, &(0x7f0000000200)=@IORING_OP_READV=@pass_iovec={0x1, 0x0, 0x0, @fd_index=0x4, 0x0, 0x0}) io_uring_enter(r2, 0x847ba, 0x0, 0xe, 0x0, 0x0) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat$cgroup_root-socket$alg-bind$alg-setsockopt$ALG_SET_KEY-accept4-sendmmsg$alg-recvmsg-openat$cgroup_int-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN-prlimit64-sched_setscheduler-getpid-mmap-socketpair$unix-sendmmsg$unix-sched_setscheduler-sigaltstack-gettid-timer_create-timer_settime detailed listing: executing program 0: mkdirat$cgroup_root(0xffffffffffffff9c, 0x0, 0x1ff) r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000001100)={0x26, 'skcipher\x00', 0x0, 0x0, 'ecb(serpent)\x00'}, 0x58) setsockopt$ALG_SET_KEY(r0, 0x117, 0x1, 0x0, 0x0) r1 = accept4(r0, 0x0, 0x0, 0x800) sendmmsg$alg(r1, &(0x7f0000000040)=[{0x0, 0x0, 0x0, 0x0, &(0x7f0000000380)=[@op={0x18, 0x117, 0x3, 0x1}], 0x18}], 0x1, 0x4000) recvmsg(r1, 0x0, 0x0) openat$cgroup_int(0xffffffffffffffff, &(0x7f00000005c0)='blkio.throttle.write_bps_device\x00', 0x2, 0x0) r2 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000200)={0x18, 0x4, &(0x7f00000002c0)=ANY=[@ANYBLOB="18010000000000000000000000000000850000006d00000095"], &(0x7f0000000100)='GPL\x00', 0x0, 0x0, 0x0, 0x41000, 0x0, '\x00', 0x0, 0x2}, 0x94) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000080)={&(0x7f0000000000)='sched_switch\x00', r2}, 0x10) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x100}, 0x0) sched_setscheduler(0x0, 0x1, 0x0) getpid() mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) sendmmsg$unix(r3, &(0x7f0000000000), 0x651, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000000)=0x6) sigaltstack(&(0x7f0000000480)={&(0x7f0000004000)=""/4126, 0x80000001, 0x101e}, 0x0) r4 = gettid() timer_create(0x0, &(0x7f0000000080)={0x0, 0x21, 0x800000000004, @tid=r4}, &(0x7f0000bbdffc)) timer_settime(0x0, 0x0, &(0x7f0000000240)={{0x0, 0x8}, {0x0, 0x9}}, 0x0) program crashed: INFO: rcu detected stall in syscall_exit_to_user_mode single: successfully extracted reproducer found reproducer with 21 syscalls minimizing guilty program testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat$cgroup_root-socket$alg-bind$alg-setsockopt$ALG_SET_KEY-accept4-sendmmsg$alg-recvmsg-openat$cgroup_int-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN-prlimit64-sched_setscheduler-getpid-mmap-socketpair$unix-sendmmsg$unix-sched_setscheduler-sigaltstack-gettid-timer_create detailed listing: executing program 0: mkdirat$cgroup_root(0xffffffffffffff9c, 0x0, 0x1ff) r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000001100)={0x26, 'skcipher\x00', 0x0, 0x0, 'ecb(serpent)\x00'}, 0x58) setsockopt$ALG_SET_KEY(r0, 0x117, 0x1, 0x0, 0x0) r1 = accept4(r0, 0x0, 0x0, 0x800) sendmmsg$alg(r1, &(0x7f0000000040)=[{0x0, 0x0, 0x0, 0x0, &(0x7f0000000380)=[@op={0x18, 0x117, 0x3, 0x1}], 0x18}], 0x1, 0x4000) recvmsg(r1, 0x0, 0x0) openat$cgroup_int(0xffffffffffffffff, &(0x7f00000005c0)='blkio.throttle.write_bps_device\x00', 0x2, 0x0) r2 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000200)={0x18, 0x4, &(0x7f00000002c0)=ANY=[@ANYBLOB="18010000000000000000000000000000850000006d00000095"], &(0x7f0000000100)='GPL\x00', 0x0, 0x0, 0x0, 0x41000, 0x0, '\x00', 0x0, 0x2}, 0x94) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000080)={&(0x7f0000000000)='sched_switch\x00', r2}, 0x10) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x100}, 0x0) sched_setscheduler(0x0, 0x1, 0x0) getpid() mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) sendmmsg$unix(r3, &(0x7f0000000000), 0x651, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000000)=0x6) sigaltstack(&(0x7f0000000480)={&(0x7f0000004000)=""/4126, 0x80000001, 0x101e}, 0x0) r4 = gettid() timer_create(0x0, &(0x7f0000000080)={0x0, 0x21, 0x800000000004, @tid=r4}, &(0x7f0000bbdffc)) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat$cgroup_root-socket$alg-bind$alg-setsockopt$ALG_SET_KEY-accept4-sendmmsg$alg-recvmsg-openat$cgroup_int-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN-prlimit64-sched_setscheduler-getpid-mmap-socketpair$unix-sendmmsg$unix-sched_setscheduler-sigaltstack-gettid-timer_settime detailed listing: executing program 0: mkdirat$cgroup_root(0xffffffffffffff9c, 0x0, 0x1ff) r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000001100)={0x26, 'skcipher\x00', 0x0, 0x0, 'ecb(serpent)\x00'}, 0x58) setsockopt$ALG_SET_KEY(r0, 0x117, 0x1, 0x0, 0x0) r1 = accept4(r0, 0x0, 0x0, 0x800) sendmmsg$alg(r1, &(0x7f0000000040)=[{0x0, 0x0, 0x0, 0x0, &(0x7f0000000380)=[@op={0x18, 0x117, 0x3, 0x1}], 0x18}], 0x1, 0x4000) recvmsg(r1, 0x0, 0x0) openat$cgroup_int(0xffffffffffffffff, &(0x7f00000005c0)='blkio.throttle.write_bps_device\x00', 0x2, 0x0) r2 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000200)={0x18, 0x4, &(0x7f00000002c0)=ANY=[@ANYBLOB="18010000000000000000000000000000850000006d00000095"], &(0x7f0000000100)='GPL\x00', 0x0, 0x0, 0x0, 0x41000, 0x0, '\x00', 0x0, 0x2}, 0x94) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000080)={&(0x7f0000000000)='sched_switch\x00', r2}, 0x10) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x100}, 0x0) sched_setscheduler(0x0, 0x1, 0x0) getpid() mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) sendmmsg$unix(r3, &(0x7f0000000000), 0x651, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000000)=0x6) sigaltstack(&(0x7f0000000480)={&(0x7f0000004000)=""/4126, 0x80000001, 0x101e}, 0x0) gettid() timer_settime(0x0, 0x0, &(0x7f0000000240)={{0x0, 0x8}, {0x0, 0x9}}, 0x0) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat$cgroup_root-socket$alg-bind$alg-setsockopt$ALG_SET_KEY-accept4-sendmmsg$alg-recvmsg-openat$cgroup_int-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN-prlimit64-sched_setscheduler-getpid-mmap-socketpair$unix-sendmmsg$unix-sched_setscheduler-sigaltstack-timer_create-timer_settime detailed listing: executing program 0: mkdirat$cgroup_root(0xffffffffffffff9c, 0x0, 0x1ff) r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000001100)={0x26, 'skcipher\x00', 0x0, 0x0, 'ecb(serpent)\x00'}, 0x58) setsockopt$ALG_SET_KEY(r0, 0x117, 0x1, 0x0, 0x0) r1 = accept4(r0, 0x0, 0x0, 0x800) sendmmsg$alg(r1, &(0x7f0000000040)=[{0x0, 0x0, 0x0, 0x0, &(0x7f0000000380)=[@op={0x18, 0x117, 0x3, 0x1}], 0x18}], 0x1, 0x4000) recvmsg(r1, 0x0, 0x0) openat$cgroup_int(0xffffffffffffffff, &(0x7f00000005c0)='blkio.throttle.write_bps_device\x00', 0x2, 0x0) r2 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000200)={0x18, 0x4, &(0x7f00000002c0)=ANY=[@ANYBLOB="18010000000000000000000000000000850000006d00000095"], &(0x7f0000000100)='GPL\x00', 0x0, 0x0, 0x0, 0x41000, 0x0, '\x00', 0x0, 0x2}, 0x94) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000080)={&(0x7f0000000000)='sched_switch\x00', r2}, 0x10) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x100}, 0x0) sched_setscheduler(0x0, 0x1, 0x0) getpid() mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) sendmmsg$unix(r3, &(0x7f0000000000), 0x651, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000000)=0x6) sigaltstack(&(0x7f0000000480)={&(0x7f0000004000)=""/4126, 0x80000001, 0x101e}, 0x0) timer_create(0x0, &(0x7f0000000080)={0x0, 0x21, 0x800000000004}, &(0x7f0000bbdffc)) timer_settime(0x0, 0x0, &(0x7f0000000240)={{0x0, 0x8}, {0x0, 0x9}}, 0x0) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat$cgroup_root-socket$alg-bind$alg-setsockopt$ALG_SET_KEY-accept4-sendmmsg$alg-recvmsg-openat$cgroup_int-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN-prlimit64-sched_setscheduler-getpid-mmap-socketpair$unix-sendmmsg$unix-sched_setscheduler-gettid-timer_create-timer_settime detailed listing: executing program 0: mkdirat$cgroup_root(0xffffffffffffff9c, 0x0, 0x1ff) r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000001100)={0x26, 'skcipher\x00', 0x0, 0x0, 'ecb(serpent)\x00'}, 0x58) setsockopt$ALG_SET_KEY(r0, 0x117, 0x1, 0x0, 0x0) r1 = accept4(r0, 0x0, 0x0, 0x800) sendmmsg$alg(r1, &(0x7f0000000040)=[{0x0, 0x0, 0x0, 0x0, &(0x7f0000000380)=[@op={0x18, 0x117, 0x3, 0x1}], 0x18}], 0x1, 0x4000) recvmsg(r1, 0x0, 0x0) openat$cgroup_int(0xffffffffffffffff, &(0x7f00000005c0)='blkio.throttle.write_bps_device\x00', 0x2, 0x0) r2 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000200)={0x18, 0x4, &(0x7f00000002c0)=ANY=[@ANYBLOB="18010000000000000000000000000000850000006d00000095"], &(0x7f0000000100)='GPL\x00', 0x0, 0x0, 0x0, 0x41000, 0x0, '\x00', 0x0, 0x2}, 0x94) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000080)={&(0x7f0000000000)='sched_switch\x00', r2}, 0x10) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x100}, 0x0) sched_setscheduler(0x0, 0x1, 0x0) getpid() mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) sendmmsg$unix(r3, &(0x7f0000000000), 0x651, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000000)=0x6) r4 = gettid() timer_create(0x0, &(0x7f0000000080)={0x0, 0x21, 0x800000000004, @tid=r4}, &(0x7f0000bbdffc)) timer_settime(0x0, 0x0, &(0x7f0000000240)={{0x0, 0x8}, {0x0, 0x9}}, 0x0) program crashed: INFO: rcu detected stall in corrupted testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat$cgroup_root-socket$alg-bind$alg-setsockopt$ALG_SET_KEY-accept4-sendmmsg$alg-recvmsg-openat$cgroup_int-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN-prlimit64-sched_setscheduler-getpid-mmap-socketpair$unix-sendmmsg$unix-gettid-timer_create-timer_settime detailed listing: executing program 0: mkdirat$cgroup_root(0xffffffffffffff9c, 0x0, 0x1ff) r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000001100)={0x26, 'skcipher\x00', 0x0, 0x0, 'ecb(serpent)\x00'}, 0x58) setsockopt$ALG_SET_KEY(r0, 0x117, 0x1, 0x0, 0x0) r1 = accept4(r0, 0x0, 0x0, 0x800) sendmmsg$alg(r1, &(0x7f0000000040)=[{0x0, 0x0, 0x0, 0x0, &(0x7f0000000380)=[@op={0x18, 0x117, 0x3, 0x1}], 0x18}], 0x1, 0x4000) recvmsg(r1, 0x0, 0x0) openat$cgroup_int(0xffffffffffffffff, &(0x7f00000005c0)='blkio.throttle.write_bps_device\x00', 0x2, 0x0) r2 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000200)={0x18, 0x4, &(0x7f00000002c0)=ANY=[@ANYBLOB="18010000000000000000000000000000850000006d00000095"], &(0x7f0000000100)='GPL\x00', 0x0, 0x0, 0x0, 0x41000, 0x0, '\x00', 0x0, 0x2}, 0x94) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000080)={&(0x7f0000000000)='sched_switch\x00', r2}, 0x10) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x100}, 0x0) sched_setscheduler(0x0, 0x1, 0x0) getpid() mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) sendmmsg$unix(r3, &(0x7f0000000000), 0x651, 0x0) r4 = gettid() timer_create(0x0, &(0x7f0000000080)={0x0, 0x21, 0x800000000004, @tid=r4}, &(0x7f0000bbdffc)) timer_settime(0x0, 0x0, &(0x7f0000000240)={{0x0, 0x8}, {0x0, 0x9}}, 0x0) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat$cgroup_root-socket$alg-bind$alg-setsockopt$ALG_SET_KEY-accept4-sendmmsg$alg-recvmsg-openat$cgroup_int-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN-prlimit64-sched_setscheduler-getpid-mmap-socketpair$unix-sched_setscheduler-gettid-timer_create-timer_settime detailed listing: executing program 0: mkdirat$cgroup_root(0xffffffffffffff9c, 0x0, 0x1ff) r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000001100)={0x26, 'skcipher\x00', 0x0, 0x0, 'ecb(serpent)\x00'}, 0x58) setsockopt$ALG_SET_KEY(r0, 0x117, 0x1, 0x0, 0x0) r1 = accept4(r0, 0x0, 0x0, 0x800) sendmmsg$alg(r1, &(0x7f0000000040)=[{0x0, 0x0, 0x0, 0x0, &(0x7f0000000380)=[@op={0x18, 0x117, 0x3, 0x1}], 0x18}], 0x1, 0x4000) recvmsg(r1, 0x0, 0x0) openat$cgroup_int(0xffffffffffffffff, &(0x7f00000005c0)='blkio.throttle.write_bps_device\x00', 0x2, 0x0) r2 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000200)={0x18, 0x4, &(0x7f00000002c0)=ANY=[@ANYBLOB="18010000000000000000000000000000850000006d00000095"], &(0x7f0000000100)='GPL\x00', 0x0, 0x0, 0x0, 0x41000, 0x0, '\x00', 0x0, 0x2}, 0x94) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000080)={&(0x7f0000000000)='sched_switch\x00', r2}, 0x10) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x100}, 0x0) sched_setscheduler(0x0, 0x1, 0x0) getpid() mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)) sched_setscheduler(0x0, 0x2, &(0x7f0000000000)=0x6) r3 = gettid() timer_create(0x0, &(0x7f0000000080)={0x0, 0x21, 0x800000000004, @tid=r3}, &(0x7f0000bbdffc)) timer_settime(0x0, 0x0, &(0x7f0000000240)={{0x0, 0x8}, {0x0, 0x9}}, 0x0) program crashed: INFO: rcu detected stall in corrupted testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat$cgroup_root-socket$alg-bind$alg-setsockopt$ALG_SET_KEY-accept4-sendmmsg$alg-recvmsg-openat$cgroup_int-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN-prlimit64-sched_setscheduler-getpid-mmap-sched_setscheduler-gettid-timer_create-timer_settime detailed listing: executing program 0: mkdirat$cgroup_root(0xffffffffffffff9c, 0x0, 0x1ff) r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000001100)={0x26, 'skcipher\x00', 0x0, 0x0, 'ecb(serpent)\x00'}, 0x58) setsockopt$ALG_SET_KEY(r0, 0x117, 0x1, 0x0, 0x0) r1 = accept4(r0, 0x0, 0x0, 0x800) sendmmsg$alg(r1, &(0x7f0000000040)=[{0x0, 0x0, 0x0, 0x0, &(0x7f0000000380)=[@op={0x18, 0x117, 0x3, 0x1}], 0x18}], 0x1, 0x4000) recvmsg(r1, 0x0, 0x0) openat$cgroup_int(0xffffffffffffffff, &(0x7f00000005c0)='blkio.throttle.write_bps_device\x00', 0x2, 0x0) r2 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000200)={0x18, 0x4, &(0x7f00000002c0)=ANY=[@ANYBLOB="18010000000000000000000000000000850000006d00000095"], &(0x7f0000000100)='GPL\x00', 0x0, 0x0, 0x0, 0x41000, 0x0, '\x00', 0x0, 0x2}, 0x94) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000080)={&(0x7f0000000000)='sched_switch\x00', r2}, 0x10) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x100}, 0x0) sched_setscheduler(0x0, 0x1, 0x0) getpid() mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000000)=0x6) r3 = gettid() timer_create(0x0, &(0x7f0000000080)={0x0, 0x21, 0x800000000004, @tid=r3}, &(0x7f0000bbdffc)) timer_settime(0x0, 0x0, &(0x7f0000000240)={{0x0, 0x8}, {0x0, 0x9}}, 0x0) program crashed: INFO: rcu detected stall in corrupted testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat$cgroup_root-socket$alg-bind$alg-setsockopt$ALG_SET_KEY-accept4-sendmmsg$alg-recvmsg-openat$cgroup_int-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN-prlimit64-sched_setscheduler-getpid-sched_setscheduler-gettid-timer_create-timer_settime detailed listing: executing program 0: mkdirat$cgroup_root(0xffffffffffffff9c, 0x0, 0x1ff) r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000001100)={0x26, 'skcipher\x00', 0x0, 0x0, 'ecb(serpent)\x00'}, 0x58) setsockopt$ALG_SET_KEY(r0, 0x117, 0x1, 0x0, 0x0) r1 = accept4(r0, 0x0, 0x0, 0x800) sendmmsg$alg(r1, &(0x7f0000000040)=[{0x0, 0x0, 0x0, 0x0, &(0x7f0000000380)=[@op={0x18, 0x117, 0x3, 0x1}], 0x18}], 0x1, 0x4000) recvmsg(r1, 0x0, 0x0) openat$cgroup_int(0xffffffffffffffff, &(0x7f00000005c0)='blkio.throttle.write_bps_device\x00', 0x2, 0x0) r2 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000200)={0x18, 0x4, &(0x7f00000002c0)=ANY=[@ANYBLOB="18010000000000000000000000000000850000006d00000095"], &(0x7f0000000100)='GPL\x00', 0x0, 0x0, 0x0, 0x41000, 0x0, '\x00', 0x0, 0x2}, 0x94) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000080)={&(0x7f0000000000)='sched_switch\x00', r2}, 0x10) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x100}, 0x0) sched_setscheduler(0x0, 0x1, 0x0) getpid() sched_setscheduler(0x0, 0x2, &(0x7f0000000000)=0x6) r3 = gettid() timer_create(0x0, &(0x7f0000000080)={0x0, 0x21, 0x800000000004, @tid=r3}, &(0x7f0000bbdffc)) timer_settime(0x0, 0x0, &(0x7f0000000240)={{0x0, 0x8}, {0x0, 0x9}}, 0x0) program crashed: INFO: rcu detected stall in corrupted testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat$cgroup_root-socket$alg-bind$alg-setsockopt$ALG_SET_KEY-accept4-sendmmsg$alg-recvmsg-openat$cgroup_int-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN-prlimit64-sched_setscheduler-sched_setscheduler-gettid-timer_create-timer_settime detailed listing: executing program 0: mkdirat$cgroup_root(0xffffffffffffff9c, 0x0, 0x1ff) r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000001100)={0x26, 'skcipher\x00', 0x0, 0x0, 'ecb(serpent)\x00'}, 0x58) setsockopt$ALG_SET_KEY(r0, 0x117, 0x1, 0x0, 0x0) r1 = accept4(r0, 0x0, 0x0, 0x800) sendmmsg$alg(r1, &(0x7f0000000040)=[{0x0, 0x0, 0x0, 0x0, &(0x7f0000000380)=[@op={0x18, 0x117, 0x3, 0x1}], 0x18}], 0x1, 0x4000) recvmsg(r1, 0x0, 0x0) openat$cgroup_int(0xffffffffffffffff, &(0x7f00000005c0)='blkio.throttle.write_bps_device\x00', 0x2, 0x0) r2 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000200)={0x18, 0x4, &(0x7f00000002c0)=ANY=[@ANYBLOB="18010000000000000000000000000000850000006d00000095"], &(0x7f0000000100)='GPL\x00', 0x0, 0x0, 0x0, 0x41000, 0x0, '\x00', 0x0, 0x2}, 0x94) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000080)={&(0x7f0000000000)='sched_switch\x00', r2}, 0x10) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x100}, 0x0) sched_setscheduler(0x0, 0x1, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000000)=0x6) r3 = gettid() timer_create(0x0, &(0x7f0000000080)={0x0, 0x21, 0x800000000004, @tid=r3}, &(0x7f0000bbdffc)) timer_settime(0x0, 0x0, &(0x7f0000000240)={{0x0, 0x8}, {0x0, 0x9}}, 0x0) program crashed: INFO: rcu detected stall in corrupted testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat$cgroup_root-socket$alg-bind$alg-setsockopt$ALG_SET_KEY-accept4-sendmmsg$alg-recvmsg-openat$cgroup_int-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN-prlimit64-sched_setscheduler-gettid-timer_create-timer_settime detailed listing: executing program 0: mkdirat$cgroup_root(0xffffffffffffff9c, 0x0, 0x1ff) r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000001100)={0x26, 'skcipher\x00', 0x0, 0x0, 'ecb(serpent)\x00'}, 0x58) setsockopt$ALG_SET_KEY(r0, 0x117, 0x1, 0x0, 0x0) r1 = accept4(r0, 0x0, 0x0, 0x800) sendmmsg$alg(r1, &(0x7f0000000040)=[{0x0, 0x0, 0x0, 0x0, &(0x7f0000000380)=[@op={0x18, 0x117, 0x3, 0x1}], 0x18}], 0x1, 0x4000) recvmsg(r1, 0x0, 0x0) openat$cgroup_int(0xffffffffffffffff, &(0x7f00000005c0)='blkio.throttle.write_bps_device\x00', 0x2, 0x0) r2 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000200)={0x18, 0x4, &(0x7f00000002c0)=ANY=[@ANYBLOB="18010000000000000000000000000000850000006d00000095"], &(0x7f0000000100)='GPL\x00', 0x0, 0x0, 0x0, 0x41000, 0x0, '\x00', 0x0, 0x2}, 0x94) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000080)={&(0x7f0000000000)='sched_switch\x00', r2}, 0x10) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x100}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000000)=0x6) r3 = gettid() timer_create(0x0, &(0x7f0000000080)={0x0, 0x21, 0x800000000004, @tid=r3}, &(0x7f0000bbdffc)) timer_settime(0x0, 0x0, &(0x7f0000000240)={{0x0, 0x8}, {0x0, 0x9}}, 0x0) program crashed: INFO: rcu detected stall in corrupted testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat$cgroup_root-socket$alg-bind$alg-setsockopt$ALG_SET_KEY-accept4-sendmmsg$alg-recvmsg-openat$cgroup_int-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN-sched_setscheduler-gettid-timer_create-timer_settime detailed listing: executing program 0: mkdirat$cgroup_root(0xffffffffffffff9c, 0x0, 0x1ff) r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000001100)={0x26, 'skcipher\x00', 0x0, 0x0, 'ecb(serpent)\x00'}, 0x58) setsockopt$ALG_SET_KEY(r0, 0x117, 0x1, 0x0, 0x0) r1 = accept4(r0, 0x0, 0x0, 0x800) sendmmsg$alg(r1, &(0x7f0000000040)=[{0x0, 0x0, 0x0, 0x0, &(0x7f0000000380)=[@op={0x18, 0x117, 0x3, 0x1}], 0x18}], 0x1, 0x4000) recvmsg(r1, 0x0, 0x0) openat$cgroup_int(0xffffffffffffffff, &(0x7f00000005c0)='blkio.throttle.write_bps_device\x00', 0x2, 0x0) r2 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000200)={0x18, 0x4, &(0x7f00000002c0)=ANY=[@ANYBLOB="18010000000000000000000000000000850000006d00000095"], &(0x7f0000000100)='GPL\x00', 0x0, 0x0, 0x0, 0x41000, 0x0, '\x00', 0x0, 0x2}, 0x94) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000080)={&(0x7f0000000000)='sched_switch\x00', r2}, 0x10) sched_setscheduler(0x0, 0x2, &(0x7f0000000000)=0x6) r3 = gettid() timer_create(0x0, &(0x7f0000000080)={0x0, 0x21, 0x800000000004, @tid=r3}, &(0x7f0000bbdffc)) timer_settime(0x0, 0x0, &(0x7f0000000240)={{0x0, 0x8}, {0x0, 0x9}}, 0x0) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat$cgroup_root-socket$alg-bind$alg-setsockopt$ALG_SET_KEY-accept4-sendmmsg$alg-recvmsg-openat$cgroup_int-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-prlimit64-sched_setscheduler-gettid-timer_create-timer_settime detailed listing: executing program 0: mkdirat$cgroup_root(0xffffffffffffff9c, 0x0, 0x1ff) r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000001100)={0x26, 'skcipher\x00', 0x0, 0x0, 'ecb(serpent)\x00'}, 0x58) setsockopt$ALG_SET_KEY(r0, 0x117, 0x1, 0x0, 0x0) r1 = accept4(r0, 0x0, 0x0, 0x800) sendmmsg$alg(r1, &(0x7f0000000040)=[{0x0, 0x0, 0x0, 0x0, &(0x7f0000000380)=[@op={0x18, 0x117, 0x3, 0x1}], 0x18}], 0x1, 0x4000) recvmsg(r1, 0x0, 0x0) openat$cgroup_int(0xffffffffffffffff, &(0x7f00000005c0)='blkio.throttle.write_bps_device\x00', 0x2, 0x0) bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000200)={0x18, 0x4, &(0x7f00000002c0)=ANY=[@ANYBLOB="18010000000000000000000000000000850000006d00000095"], &(0x7f0000000100)='GPL\x00', 0x0, 0x0, 0x0, 0x41000, 0x0, '\x00', 0x0, 0x2}, 0x94) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x100}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000000)=0x6) r2 = gettid() timer_create(0x0, &(0x7f0000000080)={0x0, 0x21, 0x800000000004, @tid=r2}, &(0x7f0000bbdffc)) timer_settime(0x0, 0x0, &(0x7f0000000240)={{0x0, 0x8}, {0x0, 0x9}}, 0x0) program crashed: INFO: rcu detected stall in corrupted testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat$cgroup_root-socket$alg-bind$alg-setsockopt$ALG_SET_KEY-accept4-sendmmsg$alg-recvmsg-openat$cgroup_int-prlimit64-sched_setscheduler-gettid-timer_create-timer_settime detailed listing: executing program 0: mkdirat$cgroup_root(0xffffffffffffff9c, 0x0, 0x1ff) r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000001100)={0x26, 'skcipher\x00', 0x0, 0x0, 'ecb(serpent)\x00'}, 0x58) setsockopt$ALG_SET_KEY(r0, 0x117, 0x1, 0x0, 0x0) r1 = accept4(r0, 0x0, 0x0, 0x800) sendmmsg$alg(r1, &(0x7f0000000040)=[{0x0, 0x0, 0x0, 0x0, &(0x7f0000000380)=[@op={0x18, 0x117, 0x3, 0x1}], 0x18}], 0x1, 0x4000) recvmsg(r1, 0x0, 0x0) openat$cgroup_int(0xffffffffffffffff, &(0x7f00000005c0)='blkio.throttle.write_bps_device\x00', 0x2, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x100}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000000)=0x6) r2 = gettid() timer_create(0x0, &(0x7f0000000080)={0x0, 0x21, 0x800000000004, @tid=r2}, &(0x7f0000bbdffc)) timer_settime(0x0, 0x0, &(0x7f0000000240)={{0x0, 0x8}, {0x0, 0x9}}, 0x0) program crashed: INFO: rcu detected stall in corrupted testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat$cgroup_root-socket$alg-bind$alg-setsockopt$ALG_SET_KEY-accept4-sendmmsg$alg-recvmsg-prlimit64-sched_setscheduler-gettid-timer_create-timer_settime detailed listing: executing program 0: mkdirat$cgroup_root(0xffffffffffffff9c, 0x0, 0x1ff) r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000001100)={0x26, 'skcipher\x00', 0x0, 0x0, 'ecb(serpent)\x00'}, 0x58) setsockopt$ALG_SET_KEY(r0, 0x117, 0x1, 0x0, 0x0) r1 = accept4(r0, 0x0, 0x0, 0x800) sendmmsg$alg(r1, &(0x7f0000000040)=[{0x0, 0x0, 0x0, 0x0, &(0x7f0000000380)=[@op={0x18, 0x117, 0x3, 0x1}], 0x18}], 0x1, 0x4000) recvmsg(r1, 0x0, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x100}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000000)=0x6) r2 = gettid() timer_create(0x0, &(0x7f0000000080)={0x0, 0x21, 0x800000000004, @tid=r2}, &(0x7f0000bbdffc)) timer_settime(0x0, 0x0, &(0x7f0000000240)={{0x0, 0x8}, {0x0, 0x9}}, 0x0) program crashed: INFO: rcu detected stall in worker_thread testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat$cgroup_root-socket$alg-bind$alg-setsockopt$ALG_SET_KEY-accept4-sendmmsg$alg-prlimit64-sched_setscheduler-gettid-timer_create-timer_settime detailed listing: executing program 0: mkdirat$cgroup_root(0xffffffffffffff9c, 0x0, 0x1ff) r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000001100)={0x26, 'skcipher\x00', 0x0, 0x0, 'ecb(serpent)\x00'}, 0x58) setsockopt$ALG_SET_KEY(r0, 0x117, 0x1, 0x0, 0x0) r1 = accept4(r0, 0x0, 0x0, 0x800) sendmmsg$alg(r1, &(0x7f0000000040)=[{0x0, 0x0, 0x0, 0x0, &(0x7f0000000380)=[@op={0x18, 0x117, 0x3, 0x1}], 0x18}], 0x1, 0x4000) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x100}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000000)=0x6) r2 = gettid() timer_create(0x0, &(0x7f0000000080)={0x0, 0x21, 0x800000000004, @tid=r2}, &(0x7f0000bbdffc)) timer_settime(0x0, 0x0, &(0x7f0000000240)={{0x0, 0x8}, {0x0, 0x9}}, 0x0) program crashed: INFO: rcu detected stall in syscall_exit_to_user_mode testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat$cgroup_root-socket$alg-bind$alg-setsockopt$ALG_SET_KEY-accept4-prlimit64-sched_setscheduler-gettid-timer_create-timer_settime detailed listing: executing program 0: mkdirat$cgroup_root(0xffffffffffffff9c, 0x0, 0x1ff) r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000001100)={0x26, 'skcipher\x00', 0x0, 0x0, 'ecb(serpent)\x00'}, 0x58) setsockopt$ALG_SET_KEY(r0, 0x117, 0x1, 0x0, 0x0) accept4(r0, 0x0, 0x0, 0x800) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x100}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000000)=0x6) r1 = gettid() timer_create(0x0, &(0x7f0000000080)={0x0, 0x21, 0x800000000004, @tid=r1}, &(0x7f0000bbdffc)) timer_settime(0x0, 0x0, &(0x7f0000000240)={{0x0, 0x8}, {0x0, 0x9}}, 0x0) program crashed: INFO: rcu detected stall in corrupted testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat$cgroup_root-socket$alg-bind$alg-setsockopt$ALG_SET_KEY-prlimit64-sched_setscheduler-gettid-timer_create-timer_settime detailed listing: executing program 0: mkdirat$cgroup_root(0xffffffffffffff9c, 0x0, 0x1ff) r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000001100)={0x26, 'skcipher\x00', 0x0, 0x0, 'ecb(serpent)\x00'}, 0x58) setsockopt$ALG_SET_KEY(r0, 0x117, 0x1, 0x0, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x100}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000000)=0x6) r1 = gettid() timer_create(0x0, &(0x7f0000000080)={0x0, 0x21, 0x800000000004, @tid=r1}, &(0x7f0000bbdffc)) timer_settime(0x0, 0x0, &(0x7f0000000240)={{0x0, 0x8}, {0x0, 0x9}}, 0x0) program crashed: INFO: rcu detected stall in worker_thread testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat$cgroup_root-socket$alg-bind$alg-prlimit64-sched_setscheduler-gettid-timer_create-timer_settime detailed listing: executing program 0: mkdirat$cgroup_root(0xffffffffffffff9c, 0x0, 0x1ff) r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000001100)={0x26, 'skcipher\x00', 0x0, 0x0, 'ecb(serpent)\x00'}, 0x58) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x100}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000000)=0x6) r1 = gettid() timer_create(0x0, &(0x7f0000000080)={0x0, 0x21, 0x800000000004, @tid=r1}, &(0x7f0000bbdffc)) timer_settime(0x0, 0x0, &(0x7f0000000240)={{0x0, 0x8}, {0x0, 0x9}}, 0x0) program crashed: INFO: rcu detected stall in syscall_exit_to_user_mode testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat$cgroup_root-socket$alg-prlimit64-sched_setscheduler-gettid-timer_create-timer_settime detailed listing: executing program 0: mkdirat$cgroup_root(0xffffffffffffff9c, 0x0, 0x1ff) socket$alg(0x26, 0x5, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x100}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000000)=0x6) r0 = gettid() timer_create(0x0, &(0x7f0000000080)={0x0, 0x21, 0x800000000004, @tid=r0}, &(0x7f0000bbdffc)) timer_settime(0x0, 0x0, &(0x7f0000000240)={{0x0, 0x8}, {0x0, 0x9}}, 0x0) program crashed: INFO: rcu detected stall in corrupted testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat$cgroup_root-prlimit64-sched_setscheduler-gettid-timer_create-timer_settime detailed listing: executing program 0: mkdirat$cgroup_root(0xffffffffffffff9c, 0x0, 0x1ff) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x100}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000000)=0x6) r0 = gettid() timer_create(0x0, &(0x7f0000000080)={0x0, 0x21, 0x800000000004, @tid=r0}, &(0x7f0000bbdffc)) timer_settime(0x0, 0x0, &(0x7f0000000240)={{0x0, 0x8}, {0x0, 0x9}}, 0x0) program crashed: INFO: rcu detected stall in corrupted testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-gettid-timer_create-timer_settime detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x100}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000000)=0x6) r0 = gettid() timer_create(0x0, &(0x7f0000000080)={0x0, 0x21, 0x800000000004, @tid=r0}, &(0x7f0000bbdffc)) timer_settime(0x0, 0x0, &(0x7f0000000240)={{0x0, 0x8}, {0x0, 0x9}}, 0x0) program crashed: INFO: rcu detected stall in corrupted testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-gettid-timer_create-timer_settime detailed listing: executing program 0: prlimit64(0x0, 0xe, 0x0, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000000)=0x6) r0 = gettid() timer_create(0x0, &(0x7f0000000080)={0x0, 0x21, 0x800000000004, @tid=r0}, &(0x7f0000bbdffc)) timer_settime(0x0, 0x0, &(0x7f0000000240)={{0x0, 0x8}, {0x0, 0x9}}, 0x0) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-gettid-timer_create-timer_settime detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x100}, 0x0) sched_setscheduler(0x0, 0x2, 0x0) r0 = gettid() timer_create(0x0, &(0x7f0000000080)={0x0, 0x21, 0x800000000004, @tid=r0}, &(0x7f0000bbdffc)) timer_settime(0x0, 0x0, &(0x7f0000000240)={{0x0, 0x8}, {0x0, 0x9}}, 0x0) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-gettid-timer_create-timer_settime detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x100}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000000)=0x6) gettid() timer_create(0x0, 0x0, &(0x7f0000bbdffc)) timer_settime(0x0, 0x0, &(0x7f0000000240)={{0x0, 0x8}, {0x0, 0x9}}, 0x0) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-gettid-timer_create-timer_settime detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x100}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000000)=0x6) r0 = gettid() timer_create(0x0, &(0x7f0000000080)={0x0, 0x21, 0x800000000004, @tid=r0}, 0x0) timer_settime(0x0, 0x0, &(0x7f0000000240)={{0x0, 0x8}, {0x0, 0x9}}, 0x0) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-gettid-timer_create-timer_settime detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x100}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000000)=0x6) r0 = gettid() timer_create(0x0, &(0x7f0000000080)={0x0, 0x21, 0x800000000004, @tid=r0}, &(0x7f0000bbdffc)) 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:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-gettid-timer_create-timer_settime program crashed: INFO: rcu detected stall in corrupted simplifying C reproducer testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-gettid-timer_create-timer_settime program crashed: INFO: rcu detected stall in corrupted testing compiled C 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-gettid-timer_create-timer_settime program crashed: no output from test machine a never seen crash title: no output from test machine, ignore testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-gettid-timer_create-timer_settime program crashed: no output from test machine a never seen crash title: no output from test machine, ignore testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false 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}}): prlimit64-sched_setscheduler-gettid-timer_create-timer_settime program crashed: INFO: rcu detected stall in corrupted testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false 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}}): prlimit64-sched_setscheduler-gettid-timer_create-timer_settime program crashed: INFO: rcu detected stall in corrupted testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false 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}}): prlimit64-sched_setscheduler-gettid-timer_create-timer_settime program crashed: INFO: rcu detected stall in corrupted testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false 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}}): prlimit64-sched_setscheduler-gettid-timer_create-timer_settime program crashed: INFO: rcu detected stall in corrupted testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false 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}}): prlimit64-sched_setscheduler-gettid-timer_create-timer_settime program crashed: INFO: rcu detected stall in corrupted testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false 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}}): prlimit64-sched_setscheduler-gettid-timer_create-timer_settime program crashed: INFO: rcu detected stall in corrupted testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false 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}}): prlimit64-sched_setscheduler-gettid-timer_create-timer_settime program crashed: no output from test machine a never seen crash title: no output from test machine, ignore testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:true Wifi:false IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-gettid-timer_create-timer_settime program crashed: INFO: rcu detected stall in syscall_exit_to_user_mode testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:true Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-gettid-timer_create-timer_settime program crashed: INFO: rcu detected stall in corrupted testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:true Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-gettid-timer_create-timer_settime program crashed: no output from test machine a never seen crash title: no output from test machine, ignore testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:true Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-gettid-timer_create-timer_settime program crashed: INFO: rcu detected stall in corrupted testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:true Wifi:false IEEE802154:false Sysctl:false Swap:true UseTmpDir:true HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-gettid-timer_create-timer_settime program crashed: INFO: rcu detected stall in corrupted testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:true Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-gettid-timer_create-timer_settime program crashed: INFO: rcu detected stall in corrupted testing program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:true Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-gettid-timer_create-timer_settime detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x100}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000000)=0x6) r0 = gettid() timer_create(0x0, &(0x7f0000000080)={0x0, 0x21, 0x800000000004, @tid=r0}, &(0x7f0000bbdffc)) timer_settime(0x0, 0x0, &(0x7f0000000240)={{0x0, 0x8}, {0x0, 0x9}}, 0x0) program crashed: INFO: rcu detected stall in syscall_exit_to_user_mode validation run: crashed=true testing program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:true Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-gettid-timer_create-timer_settime detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x100}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000000)=0x6) r0 = gettid() timer_create(0x0, &(0x7f0000000080)={0x0, 0x21, 0x800000000004, @tid=r0}, &(0x7f0000bbdffc)) timer_settime(0x0, 0x0, &(0x7f0000000240)={{0x0, 0x8}, {0x0, 0x9}}, 0x0) program crashed: INFO: rcu detected stall in corrupted validation run: crashed=true testing program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:true Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-gettid-timer_create-timer_settime detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x100}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000000)=0x6) r0 = gettid() timer_create(0x0, &(0x7f0000000080)={0x0, 0x21, 0x800000000004, @tid=r0}, &(0x7f0000bbdffc)) timer_settime(0x0, 0x0, &(0x7f0000000240)={{0x0, 0x8}, {0x0, 0x9}}, 0x0) program crashed: INFO: rcu detected stall in corrupted validation run: crashed=true reproducing took 3h23m6.553654441s repro crashed as (corrupted=true): rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P5158/1:b..l rcu: (detected by 1, t=10502 jiffies, g=12857, q=671 ncpus=2) task:udevd state:R running task stack:25160 pid:5158 ppid:1 flags:0x00004002 Call Trace: context_switch kernel/sched/core.c:5380 [inline] __schedule+0x14d2/0x44d0 kernel/sched/core.c:6699 preempt_schedule_common+0x82/0xc0 kernel/sched/core.c:6866 preempt_schedule+0xab/0xc0 kernel/sched/core.c:6890 preempt_schedule_thunk+0x1a/0x30 arch/x86/entry/thunk_64.S:45 __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:152 [inline] _raw_spin_unlock_irqrestore+0xfa/0x110 kernel/locking/spinlock.c:194 spin_unlock_irqrestore include/linux/spinlock.h:406 [inline] __wake_up_common_lock kernel/sched/wait.c:140 [inline] __wake_up_sync_key+0x11f/0x190 kernel/sched/wait.c:213 sock_def_readable+0x1e1/0x430 net/core/sock.c:3354 __netlink_sendskb net/netlink/af_netlink.c:1266 [inline] netlink_sendskb+0x9b/0x130 net/netlink/af_netlink.c:1272 netlink_sendmsg+0x8c1/0xbe0 net/netlink/af_netlink.c:1894 sock_sendmsg_nosec net/socket.c:730 [inline] __sock_sendmsg net/socket.c:745 [inline] ____sys_sendmsg+0x5bf/0x950 net/socket.c:2595 ___sys_sendmsg+0x220/0x290 net/socket.c:2649 __sys_sendmsg net/socket.c:2678 [inline] __do_sys_sendmsg net/socket.c:2687 [inline] __se_sys_sendmsg+0x1a5/0x270 net/socket.c:2685 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x55/0xb0 arch/x86/entry/common.c:81 entry_SYSCALL_64_after_hwframe+0x68/0xd2 RIP: 0033:0x7f9465ca7407 RSP: 002b:00007ffe240e79d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f9466346880 RCX: 00007f9465ca7407 RDX: 0000000000000000 RSI: 00007ffe240e7a30 RDI: 0000000000000004 RBP: 0000565272056510 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000202 R12: 00000000000000d7 R13: 0000565271fec9e0 R14: 0000000000000000 R15: 0000000000000000 rcu: rcu_preempt kthread starved for 10533 jiffies! g12857 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 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:27752 pid:17 ppid:2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:5380 [inline] __schedule+0x14d2/0x44d0 kernel/sched/core.c:6699 schedule+0xbd/0x170 kernel/sched/core.c:6773 schedule_timeout+0x160/0x280 kernel/time/timer.c:2167 rcu_gp_fqs_loop+0x302/0x1560 kernel/rcu/tree.c:1667 rcu_gp_kthread+0x99/0x380 kernel/rcu/tree.c:1866 kthread+0x2fa/0x390 kernel/kthread.c:388 ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:152 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:293 rcu: Stack dump where RCU GP kthread last ran: Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 6003 Comm: kworker/0:6 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 Workqueue: mld mld_ifc_work RIP: 0010:__orc_find arch/x86/kernel/unwind_orc.c:99 [inline] RIP: 0010:orc_find arch/x86/kernel/unwind_orc.c:227 [inline] RIP: 0010:unwind_next_frame+0x4fc/0x2970 arch/x86/kernel/unwind_orc.c:494 Code: 77 28 e8 67 e8 4a 00 48 ba 00 00 00 00 00 fc ff df eb 97 44 89 f9 80 e1 07 80 c1 03 38 c1 7c b5 4c 89 ff e8 e6 56 a2 00 eb ab 3f e8 4a 00 48 2b 6c 24 28 49 89 ec 49 bd 00 00 00 00 00 fc ff RSP: 0018:ffffc90000007330 EFLAGS: 00000202 RAX: ffffffff8e5a4204 RBX: ffffffff8e5a4208 RCX: ffff88807c74bc00 RDX: 0000000000000100 RSI: ffffffff813ae461 RDI: ffffffff813ae28f RBP: ffffffff8e5a4208 R08: ffffc90000007400 R09: 0000000000000000 R10: ffffc90000007468 R11: fffff52000000e99 R12: ffffffff8e5a420c R13: ffffffff813ae28f R14: ffffffff813ae461 R15: ffffffff8e5a4208 FS: 0000000000000000(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fd3ba257030 CR3: 000000007412b000 CR4: 00000000003506f0 Call Trace: __unwind_start+0x66a/0x7e0 arch/x86/kernel/unwind_orc.c:760 unwind_start arch/x86/include/asm/unwind.h:64 [inline] arch_stack_walk+0xf8/0x190 arch/x86/kernel/stacktrace.c:24 stack_trace_save+0x9c/0xe0 kernel/stacktrace.c:122 kasan_save_stack mm/kasan/common.c:45 [inline] kasan_set_track+0x4e/0x70 mm/kasan/common.c:52 kasan_save_free_info+0x2e/0x50 mm/kasan/generic.c:522 ____kasan_slab_free+0x126/0x1e0 mm/kasan/common.c:236 kasan_slab_free include/linux/kasan.h:164 [inline] slab_free_hook mm/slub.c:1811 [inline] slab_free_freelist_hook+0x130/0x1b0 mm/slub.c:1837 slab_free mm/slub.c:3830 [inline] __kmem_cache_free+0xba/0x1f0 mm/slub.c:3843 skb_kfree_head net/core/skbuff.c:949 [inline] skb_free_head net/core/skbuff.c:961 [inline] skb_release_data+0x634/0x800 net/core/skbuff.c:991 skb_release_all net/core/skbuff.c:1057 [inline] __kfree_skb net/core/skbuff.c:1071 [inline] kfree_skb_reason+0x10e/0x170 net/core/skbuff.c:1107 kfree_skb include/linux/skbuff.h:1232 [inline] ip6_mc_input+0xa7e/0xc70 net/ipv6/ip6_input.c:589 NF_HOOK+0x303/0x390 include/linux/netfilter.h:304 __netif_receive_skb_one_core net/core/dev.c:5608 [inline] __netif_receive_skb+0xcc/0x290 net/core/dev.c:5722 process_backlog+0x380/0x6e0 net/core/dev.c:6050 __napi_poll+0xc0/0x460 net/core/dev.c:6612 napi_poll net/core/dev.c:6679 [inline] net_rx_action+0x5ea/0xbf0 net/core/dev.c:6815 handle_softirqs+0x280/0x820 kernel/softirq.c:578 do_softirq+0xed/0x180 kernel/softirq.c:479 __local_bh_enable_ip+0x178/0x1c0 kernel/softirq.c:406 local_bh_enable include/linux/bottom_half.h:33 [inline] rcu_read_unlock_bh include/linux/rcupdate.h:856 [inline] __dev_queue_xmit+0x1449/0x35a0 net/core/dev.c:4452 dev_queue_xmit include/linux/netdevice.h:3113 [inline] neigh_hh_output include/net/neighbour.h:527 [inline] neigh_output include/net/neighbour.h:541 [inline] ip6_finish_output2+0xdf5/0x1650 net/ipv6/ip6_output.c:141 dst_output include/net/dst.h:467 [inline] NF_HOOK+0x163/0x470 include/linux/netfilter.h:304 mld_sendpack+0x7f9/0xd70 net/ipv6/mcast.c:1823 mld_send_cr net/ipv6/mcast.c:2124 [inline] mld_ifc_work+0x835/0xb40 net/ipv6/mcast.c:2654 process_one_work kernel/workqueue.c:2634 [inline] process_scheduled_works+0xa45/0x15b0 kernel/workqueue.c:2711 worker_thread+0xa55/0xfc0 kernel/workqueue.c:2792 kthread+0x2fa/0x390 kernel/kthread.c:388 ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:152 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:293 report is corrupted, running repro again testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:true Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-gettid-timer_create-timer_settime program crashed: INFO: rcu detected stall in corrupted report is corrupted, running repro again testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:true Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-gettid-timer_create-timer_settime program crashed: INFO: rcu detected stall in corrupted report is corrupted, running repro again testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:true Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-gettid-timer_create-timer_settime program crashed: INFO: rcu detected stall in corrupted final repro crashed as (corrupted=true): rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: rcu: (detected by 1, t=10502 jiffies, g=6673, q=52 ncpus=2) rcu: All QSes seen, last rcu_preempt kthread activity 10502 (4294953864-4294943362), jiffies_till_next_fqs=1, root ->qsmask 0x0 rcu: rcu_preempt kthread starved for 10502 jiffies! g6673 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 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:27752 pid:17 ppid:2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:5380 [inline] __schedule+0x14d2/0x44d0 kernel/sched/core.c:6699 schedule+0xbd/0x170 kernel/sched/core.c:6773 schedule_timeout+0x160/0x280 kernel/time/timer.c:2167 rcu_gp_fqs_loop+0x302/0x1560 kernel/rcu/tree.c:1667 rcu_gp_kthread+0x99/0x380 kernel/rcu/tree.c:1866 kthread+0x2fa/0x390 kernel/kthread.c:388 ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:152 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:293 rcu: Stack dump where RCU GP kthread last ran: Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 5810 Comm: syz-executor400 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 RIP: 0010:signal_setup_done+0x0/0x310 kernel/signal.c:2946 Code: ff 89 da 80 e2 07 80 c2 03 38 ca 0f 8c 17 fd ff ff 48 89 df 89 c5 e8 af d8 88 00 89 e8 e9 06 fd ff ff 0f 1f 84 00 00 00 00 00 <66> 0f 1f 00 55 41 57 41 56 41 55 41 54 53 48 83 ec 18 41 89 d6 49 RSP: 0018:ffffc9000478fd78 EFLAGS: 00000246 RAX: a61ad9a3c87f1e00 RBX: 1ffff920008f1fb4 RCX: a61ad9a3c87f1e00 RDX: 0000000000000000 RSI: ffffc9000478fde0 RDI: 0000000000000000 RBP: ffffc9000478fec0 R08: ffffffff8e4a8e2f R09: 1ffffffff1c951c5 R10: dffffc0000000000 R11: fffffbfff1c951c6 R12: 0000000000000000 R13: 0000000000000000 R14: dffffc0000000000 R15: ffffc9000478ffe8 FS: 000055557a53d3c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000200000bbdffc CR3: 0000000024219000 CR4: 00000000003506f0 Call Trace: handle_signal arch/x86/kernel/signal.c:285 [inline] arch_do_signal_or_restart+0x4a6/0x7b0 arch/x86/kernel/signal.c:312 exit_to_user_mode_loop+0x70/0x110 kernel/entry/common.c:174 exit_to_user_mode_prepare+0xf6/0x180 kernel/entry/common.c:210 __syscall_exit_to_user_mode_work kernel/entry/common.c:291 [inline] syscall_exit_to_user_mode+0x1a/0x50 kernel/entry/common.c:302 do_syscall_64+0x61/0xb0 arch/x86/entry/common.c:87 entry_SYSCALL_64_after_hwframe+0x68/0xd2 RIP: 0033:0x7fa462e75dd0 Code: 83 c0 16 83 e0 f7 74 12 50 48 8d 3d da 29 03 00 e8 c5 06 fb ff 0f 1f 44 00 00 c3 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 <83> ff 21 74 0b c3 66 2e 0f 1f 84 00 00 00 00 00 55 53 48 89 f3 48 RSP: 002b:00007fff7d555eb8 EFLAGS: 00000246 RAX: 0000000000000000 RBX: 0000000000000003 RCX: 00007fa462e4f8d9 RDX: 00007fff7d555ec0 RSI: 00007fff7d555ff0 RDI: 0000000000000021 RBP: 0000000000000000 R08: 00007fa462e0f990 R09: 00007fa462e0f990 R10: 0000000000000000 R11: 0000000000000246 R12: 00007fa462ead33c R13: 00007fa462ea7106 R14: 00007fff7d556490 R15: 0000000000000000