Extracting prog: 27m59.494770332s Minimizing prog: 25m42.930239589s Simplifying prog options: 12m31.009309295s Extracting C: 4m36.881286831s Simplifying C: 0s extracting reproducer from 35 programs testing a last program of every proc single: executing 10 programs separately with timeout 6m0s testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$kcm-sendmsg$kcm-socket$kcm-socketpair$unix-close-bpf$MAP_CREATE-bpf$MAP_LOOKUP_ELEM-bpf$PROG_LOAD_XDP-close-socket$kcm-socketpair$unix-close-close-socket$kcm-recvmsg$unix-sendmsg$kcm-setsockopt$sock_attach_bpf-recvmsg$unix-bpf$PROG_LOAD-bpf$MAP_CREATE-bpf$PROG_LOAD-bpf$PROG_BIND_MAP-setsockopt$sock_attach_bpf detailed listing: executing program 0: r0 = socket$kcm(0x10, 0x2, 0x0) sendmsg$kcm(r0, &(0x7f0000000140)={0x0, 0x3e1, &(0x7f0000000180)=[{&(0x7f00000001c0)="d8000000180081084e81f782db44b9040220087cfefe7c09e8fe55a10a0015400400142603600e1208000b0000001001a8001600a400014003000000036004fab94dcf5c0461c1d67f6f94007134cf6ee08000a0e408e8d8ef52a98516277ce06bbace8017cbec4c2ee5a7cef4090000001fb791643a5ee4ce1b14d6d930dfe1d9d322fe7c9f8775730d16a4683f5aeb4edbb57a5025ccca9e00360db70100000040fad95667e006dcdf63951f215ce3bb9ad809d5e1cace81ed0bffece0b42a9ecbee5de6ccd40dd6e4edef3d93452a92954b43370e9701", 0xd8}], 0x1}, 0x0) r1 = socket$kcm(0x2, 0x5, 0x84) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) close(r3) r4 = bpf$MAP_CREATE(0x0, &(0x7f0000000300)=@base={0x12, 0x4, 0x8, 0x1}, 0x50) bpf$MAP_LOOKUP_ELEM(0x1, &(0x7f0000000380)={r4, &(0x7f0000000440), 0x0}, 0x20) bpf$PROG_LOAD_XDP(0x5, &(0x7f0000000080)={0x6, 0x0, 0x0, 0x0, 0x8, 0x0, 0x0, 0x41000, 0x57, '\x00', 0x0, 0x25, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0, 0x0, 0x0, 0x0, 0x2, 0x0, &(0x7f00000003c0)=[{0x800, 0x0, 0x80000000, 0x4}, {0x1000000a, 0x4, 0x0, 0xc}], 0x10, 0x40004}, 0x94) close(0x3) r5 = socket$kcm(0x2, 0x5, 0x84) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) close(r7) close(0x3) socket$kcm(0xa, 0x5, 0x0) recvmsg$unix(r6, &(0x7f0000000400)={0x0, 0x0, 0x0, 0x0, &(0x7f00000003c0)=[@rights={{0x14, 0x1, 0x1, [0xffffffffffffffff]}}], 0x18}, 0x10000) sendmsg$kcm(0xffffffffffffffff, &(0x7f00000002c0)={&(0x7f0000000000)=@l2tp6={0xa, 0x0, 0x0, @dev={0xfe, 0x80, '\x00', 0x11}, 0x6, 0x10000}, 0x80, 0x0}, 0xd0a0) setsockopt$sock_attach_bpf(r5, 0x84, 0x64, &(0x7f0000000000)=r8, 0x1c) recvmsg$unix(r2, &(0x7f0000000400)={0x0, 0x0, 0x0, 0x0, &(0x7f00000003c0)=[@rights={{0x14, 0x1, 0x1, [0xffffffffffffffff]}}], 0x18}, 0x0) bpf$PROG_LOAD(0x5, &(0x7f000000e000)={0xa, 0x0, 0x0, 0x0, 0x5, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x19, 0x0, 0x0, 0x10, &(0x7f0000000000), 0x10}, 0x94) r10 = bpf$MAP_CREATE(0x0, &(0x7f0000000440)=ANY=[@ANYBLOB="1b00000000000000000000000080"], 0x50) r11 = bpf$PROG_LOAD(0x5, &(0x7f0000000480)={0x11, 0x10, &(0x7f0000000540)=ANY=[@ANYBLOB="1800000000000000000000000000000018110000", @ANYRES32=r10, @ANYBLOB="0000000000000000b70200001400eeffb7030000000000008500000083000000bf09000000000000550901000000000095000000000000008500000050000000bf91000000000000b7020000020000008500000084000000b70000000000000095"], &(0x7f00000005c0)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback=0x13, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94) bpf$PROG_BIND_MAP(0xa, &(0x7f0000000600)={r11, r10}, 0xc) setsockopt$sock_attach_bpf(r1, 0x84, 0x6e, &(0x7f0000000000)=r9, 0x1c) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$kcm-socketpair-perf_event_open-write$cgroup_subtree-sendmsg$kcm-recvmsg-recvmsg$kcm-socket$kcm-recvmsg-perf_event_open-sendmsg$kcm detailed listing: executing program 0: r0 = socket$kcm(0x10, 0x2, 0x10) socketpair(0x1, 0x805, 0x0, &(0x7f0000000300)={0xffffffffffffffff}) perf_event_open(&(0x7f0000001640)={0x2, 0x80, 0x6d, 0x1, 0x0, 0x0, 0x0, 0x4, 0x0, 0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xbd0}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) write$cgroup_subtree(r1, 0x0, 0x2) sendmsg$kcm(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000480)=[{&(0x7f0000000000)="1400000010003507d25a806f8c6394f90324fc60", 0x14}], 0x1}, 0x40810) recvmsg(r0, &(0x7f0000004300)={0x0, 0x0, 0x0}, 0x0) recvmsg$kcm(r0, &(0x7f0000000380)={0x0, 0x61, &(0x7f00000027c0)=[{&(0x7f0000000500)=""/4096, 0x1000}], 0x1}, 0x10100) r2 = socket$kcm(0x10, 0x2, 0x10) recvmsg(r2, &(0x7f0000001600)={&(0x7f0000000100)=@l2, 0x80, &(0x7f00000004c0)=[{&(0x7f0000000180)=""/149, 0x95}, {&(0x7f0000000240)=""/155, 0x9b}, {&(0x7f00000003c0)=""/176, 0xb0}], 0x3, &(0x7f0000001500)=""/196, 0xc4}, 0x40000000) perf_event_open(&(0x7f0000000000)={0x2, 0x80, 0xdf, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) sendmsg$kcm(r2, &(0x7f0000000000)={0x0, 0xd18c9b35, &(0x7f0000000080)=[{&(0x7f0000000040)="e03f030036000b05d25a806c8c6f94f90224fc60100005000a000200053582c137153e37000c0980fc0b10000300", 0x33fe0}], 0x1}, 0x0) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$kcm-sendmsg$kcm-bpf$BPF_PROG_WITH_BTFID_LOAD-close-socket$kcm-bpf$PROG_LOAD-perf_event_open-perf_event_open-socket$kcm-sendmsg$inet-socket$kcm-ioctl$SIOCSIFHWADDR-bpf$MAP_CREATE_CONST_STR-bpf$BPF_MAP_CONST_STR_FREEZE-sendmsg$kcm-socket$kcm-write$cgroup_subtree-bpf$PROG_LOAD-perf_event_open-ioctl$PERF_EVENT_IOC_PERIOD-bpf$BPF_PROG_TEST_RUN-sendmsg$kcm-socket$kcm-sendmsg$kcm detailed listing: executing program 0: r0 = socket$kcm(0xa, 0x5, 0x0) sendmsg$kcm(r0, &(0x7f0000000000)={&(0x7f0000000040)=@l2tp6={0xa, 0x0, 0x0, @local, 0x3}, 0x80, &(0x7f00000000c0)=[{&(0x7f0000000100)="81", 0x1}], 0x1}, 0x41) (async) r1 = bpf$BPF_PROG_WITH_BTFID_LOAD(0x5, &(0x7f0000000140)=@bpf_tracing={0x1a, 0x19, &(0x7f0000000340)=@framed={{0x18, 0x0, 0x0, 0x0, 0xf6, 0x0, 0x0, 0x0, 0x8}, [@ringbuf_query, @printk={@s, {}, {}, {}, {}, {0x7, 0x0, 0xb, 0x3, 0x0, 0x0, 0x4ee}}, @printk={@llu, {}, {}, {}, {}, {0x7, 0x0, 0xb, 0x3, 0x0, 0x0, 0x8001}}, @map_val={0x18, 0x1, 0x2, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x8}]}, &(0x7f0000000440)='syzkaller\x00', 0x2, 0x1000, &(0x7f0000000480)=""/4096, 0x40f00, 0x1d, '\x00', 0x0, 0x1a, 0xffffffffffffffff, 0x8, &(0x7f0000001480)={0x9, 0x2}, 0x8, 0x10, &(0x7f00000014c0)={0x2, 0x9, 0x400, 0xfffffffe}, 0x10, 0x7, 0xffffffffffffffff, 0x3, 0x0, &(0x7f0000001500)=[{0x4, 0x4, 0xa}, {0x0, 0x4, 0x8, 0x1}, {0x3, 0x1, 0xa, 0x8}], 0x10, 0xfffffffc}, 0x94) close(r1) (async) socket$kcm(0x10, 0x2, 0x0) (async, rerun: 32) bpf$PROG_LOAD(0x5, &(0x7f0000001540)={0x0, 0x3, 0x0, &(0x7f0000001600)='GPL\x00'}, 0x90) (async, rerun: 32) r2 = perf_event_open(&(0x7f0000001640)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x5d31, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = perf_event_open(&(0x7f00000016c0)={0x2, 0x80, 0x1c, 0x1, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x10c002, 0xac5d, 0x9, 0x0, 0x0, 0xd2cf, 0x200}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) (async) r4 = socket$kcm(0x2b, 0x1, 0x0) sendmsg$inet(r4, &(0x7f0000001740)={&(0x7f0000001780)={0x2, 0x4001, @dev={0xac, 0x14, 0x14, 0xbe}}, 0x10, 0x0, 0x0, 0x0, 0x0, 0x300}, 0x200048cc) (async, rerun: 64) r5 = socket$kcm(0x2, 0x3, 0x2) (rerun: 64) ioctl$SIOCSIFHWADDR(r5, 0x8916, &(0x7f00000017c0)={'veth0_to_batadv\x00', @random="0200c100d8f1"}) r6 = bpf$MAP_CREATE_CONST_STR(0x0, &(0x7f0000001800)=ANY=[@ANYBLOB="02000000040000000800000001"], 0x50) bpf$BPF_MAP_CONST_STR_FREEZE(0x16, &(0x7f0000001840)={r6, 0xffffffffffffffff}, 0x4) sendmsg$kcm(0xffffffffffffffff, &(0x7f0000001880)={&(0x7f00000018c0)=@pppol2tpv3={0x18, 0x1, {0x0, 0xffffffffffffffff, {0x2, 0x0, @private}, 0x2}}, 0x80, 0x0}, 0x0) (async) r8 = socket$kcm(0x10, 0x2, 0x0) write$cgroup_subtree(r8, &(0x7f0000001940)=ANY=[@ANYBLOB="563f00001800599c6d0e00009bd029ef8020ab070011000523a608463a3f"], 0xfe33) (async) r9 = bpf$PROG_LOAD(0x5, &(0x7f0000001980)={0xa, 0x10, &(0x7f0000001a40)=ANY=[@ANYBLOB="18000000000000000000000000000000b7080000020000007b8a00fe0000000087080000000000007b8af0ff00000000bda100000000000027000000f8ffffffbfa400000000000007040000f0ffffffb70200000000000018230000", @ANYRES32=r7, @ANYBLOB="0000000000000000b704000008000000850000001a00000095"], &(0x7f0000001ac0)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x2, '\x00', 0x0, @fallback, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94) perf_event_open(&(0x7f0000001b00)={0x1, 0x80, 0x1, 0x71, 0xad, 0x3, 0x0, 0x5, 0x8a00, 0xf, 0x0, 0x0, 0x1, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x1, 0x1, 0x1, 0x0, 0x2, 0x2, @perf_bp={&(0x7f0000001b80)}, 0x10090, 0x10000, 0x6, 0xe, 0x4, 0x46d5, 0x6, 0x0, 0x9, 0x0, 0x9}, 0xffffffffffffffff, 0x1, r2, 0xa) ioctl$PERF_EVENT_IOC_PERIOD(r3, 0x40082404, &(0x7f0000001bc0)=0x6) (async) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000001c00)={r9, 0x18000000000002a0, 0xe, 0x0, &(0x7f0000001c80)="76389e6a65585578f830e9000000", 0x0, 0x10001, 0x60000000, 0x0, 0x0, 0x0, 0x0}, 0x50) (async, rerun: 64) sendmsg$kcm(r0, &(0x7f0000001cc0)={&(0x7f0000001d00)=@l2tp6={0xa, 0x0, 0x4000004, @local, 0x6, 0x2}, 0x80, &(0x7f0000001d80)=[{&(0x7f0000001dc0)="03", 0x1}], 0x1}, 0x2400c041) (async, rerun: 64) r10 = socket$kcm(0x10, 0x100000000002, 0x4) sendmsg$kcm(r10, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000300)=[{&(0x7f0000000200)="39000000150081ae00002c000500015601618575e285af0180000000171300883795c04a31ba377a1b2cc32b38d3740000ffffffffffffffff", 0x39}], 0x1, 0x0, 0x0, 0xc00e}, 0x0) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): perf_event_open-bpf$PROG_LOAD-perf_event_open-socket$kcm-sendmsg$kcm-openat$cgroup-bpf$MAP_CREATE_TAIL_CALL-bpf$PROG_LOAD-bpf$PROG_LOAD-socket$kcm-perf_event_open-bpf$PROG_LOAD-bpf$PROG_LOAD-openat$cgroup_devices-bpf$PROG_LOAD-bpf$PROG_BIND_MAP-perf_event_open$cgroup-perf_event_open-socket$kcm-sendmsg$kcm-socket$kcm-sendmsg$kcm-recvmsg$kcm-socket$kcm-sendmsg$kcm-socket$kcm-perf_event_open$cgroup-sendmsg$kcm-socket$kcm-sendmsg$kcm detailed listing: executing program 0: r0 = perf_event_open(&(0x7f0000000100)={0x2, 0x80, 0xdf, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = bpf$PROG_LOAD(0x5, &(0x7f0000000080)={0x5, 0x3, &(0x7f0000001b80)=ANY=[@ANYBLOB="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"], &(0x7f0000000000)='GPL\x00', 0x5}, 0x94) perf_event_open(&(0x7f0000001700)={0x2, 0x80, 0xde, 0x0, 0x0, 0x0, 0x0, 0x0, 0x80720, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0, 0xe}, 0x0, 0x5}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) (async) r2 = socket$kcm(0x10, 0x3, 0x10) sendmsg$kcm(r2, &(0x7f0000001780)={0x0, 0x0, &(0x7f00000017c0)=[{&(0x7f0000002a40)="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", 0x120}, {&(0x7f0000001840)="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", 0x200}], 0x2, 0x0, 0x0, 0x20000000}, 0x40c4) r3 = openat$cgroup(r1, &(0x7f0000000040)='syz0\x00', 0x200002, 0x0) r4 = bpf$MAP_CREATE_TAIL_CALL(0x0, &(0x7f0000002500)={0x3, 0x4, 0x4, 0xa, 0x0, 0x0, 0x0, '\x00', 0x0, 0x0}, 0x48) bpf$PROG_LOAD(0x5, &(0x7f0000002580)={0x4, 0x10, &(0x7f0000002640)=@framed={{0x18, 0x6}, [@tail_call={{0x18, 0x2, 0x1, 0x0, r4}, {}, {}, {0x7, 0x0, 0xb, 0x7}}, @printk]}, &(0x7f00000026c0)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback=0x2e, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94) (async) bpf$PROG_LOAD(0x5, &(0x7f00000028c0)={0x1f, 0x4, &(0x7f0000002980)=@framed={{0x18, 0x0, 0x0, 0x0, 0x5}, [@call={0x85, 0x0, 0x0, 0x6b}]}, &(0x7f00000029c0)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x15, '\x00', 0x0, @fallback, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94) (async) socket$kcm(0x29, 0x2, 0x0) perf_event_open(&(0x7f0000002700)={0x2, 0x80, 0xde, 0x0, 0x0, 0x0, 0x0, 0x0, 0x20040, 0x6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0, 0x6}, 0x0, 0x0, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x8000}, 0x0, 0x3, 0xffffffffffffffff, 0x0) bpf$PROG_LOAD(0x5, 0x0, 0x0) bpf$PROG_LOAD(0x5, &(0x7f0000002780)={0x3, 0x8, &(0x7f0000002840)=@framed={{0x18, 0x6}, [@tail_call={{0x18, 0x2, 0x1, 0x0, r4}}]}, &(0x7f0000002880)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @sched_cls, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x90) (async) openat$cgroup_devices(r3, &(0x7f0000000180)='devices.allow\x00', 0x2, 0x0) (async, rerun: 64) r5 = bpf$PROG_LOAD(0x5, &(0x7f00000001c0)={0x1c, 0xc, &(0x7f0000000280)=ANY=[@ANYBLOB="180000000000000000000000000000001801000020786c2500000000002020207b1ae8ff00000000bfa100000000000007010000f8ffffffb702000008000000b7030000000000008500000010000000850000002300000095"], &(0x7f0000000300)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94) (rerun: 64) bpf$PROG_BIND_MAP(0xa, &(0x7f00000004c0)={r5}, 0xc) (async) perf_event_open$cgroup(0x0, 0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0x0) (async) perf_event_open(&(0x7f0000001a40)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x5c31, 0x410, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, @perf_config_ext={0x7, 0x64}, 0x100c, 0x0, 0x0, 0x0, 0x0, 0x4}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r6 = socket$kcm(0x10, 0x3, 0x10) sendmsg$kcm(r6, &(0x7f0000001ac0)={0x0, 0xd18c9b60, &(0x7f0000001b00)=[{&(0x7f0000001b40)="e03f03002a000b05d25a806c8c6f94f90524fc600400037a0a000900050282c137153e370e0c1180fc0b10000300", 0x33fe0}], 0x1}, 0x0) (async) r7 = socket$kcm(0x10, 0x2, 0x10) sendmsg$kcm(r7, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000540)=[{&(0x7f0000000580)="1400000010003507d25a806f8c6394f90324fc60", 0x14}], 0x1}, 0x40810) (async) recvmsg$kcm(r7, &(0x7f00000005c0)={0x0, 0x61, &(0x7f0000000600)=[{&(0x7f0000000640)=""/4096, 0x1000}], 0x1}, 0x10100) r8 = socket$kcm(0x10, 0x3, 0x10) sendmsg$kcm(r8, &(0x7f0000001640)={0x0, 0xd18c9b25, &(0x7f0000001680)=[{&(0x7f00000016c0)="e03f030033000b35d25a806c8c6f94f91424fc60100005000a000200053582c137153e37000c0680040006000a00", 0x33fe0}], 0x1}, 0x0) (async) r9 = socket$kcm(0x10, 0x3, 0x10) (async) perf_event_open$cgroup(&(0x7f0000002480)={0x0, 0x80, 0x9, 0x6, 0x2, 0x1, 0x0, 0x6, 0x200, 0xd, 0x1, 0x1, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x1, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x0, 0x1, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x1, 0x1, 0x0, 0x0, 0x0, 0x2, @perf_bp={&(0x7f0000002440), 0x2}, 0x42, 0x100000000, 0xf70, 0x0, 0xfffffffffffffffd, 0xfff, 0x3, 0x0, 0xff, 0x0, 0x6}, r3, 0x7, r0, 0x6) sendmsg$kcm(r9, &(0x7f0000000340)={0x0, 0x0, &(0x7f0000000500)=[{&(0x7f00000003c0)="140000002a000b6c8cff00f90429fc60010f5ddf", 0x14}], 0x1}, 0x24040090) (async) r10 = socket$kcm(0x10, 0x3, 0x10) sendmsg$kcm(r10, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000440)=[{&(0x7f0000000480)="140000002a000b6c8cff00f90429fc60010f5ddf", 0x14}], 0x1}, 0x0) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): perf_event_open$cgroup-openat$tun-ioctl$TUNSETIFF-perf_event_open-ioctl$TUNATTACHFILTER detailed listing: executing program 0: perf_event_open$cgroup(&(0x7f00000003c0)={0x2, 0x80, 0x16, 0x1, 0x0, 0x0, 0x0, 0x6, 0x10101, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, @perf_config_ext={0x2, 0x4}, 0x110805, 0x3, 0x200, 0x3}, 0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$tun(0xffffffffffffff9c, &(0x7f0000000280), 0x0, 0x0) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000000)={'rose0\x00', 0x112}) perf_event_open(&(0x7f0000000480)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4d31, 0x0, 0x8, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, 0x4, @perf_bp={0x0}, 0x200, 0x2, 0x0, 0x0, 0x9, 0xffffffff, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$TUNATTACHFILTER(r0, 0x401054d5, &(0x7f00000000c0)={0x2, &(0x7f0000000080)=[{0x48, 0x0, 0x6}, {0x6}]}) program crashed: INFO: rcu detected stall in corrupted single: successfully extracted reproducer found reproducer with 5 syscalls minimizing guilty program testing program (duration=4m31.417766488s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): perf_event_open$cgroup-openat$tun-ioctl$TUNSETIFF-perf_event_open detailed listing: executing program 0: perf_event_open$cgroup(&(0x7f00000003c0)={0x2, 0x80, 0x16, 0x1, 0x0, 0x0, 0x0, 0x6, 0x10101, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, @perf_config_ext={0x2, 0x4}, 0x110805, 0x3, 0x200, 0x3}, 0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$tun(0xffffffffffffff9c, &(0x7f0000000280), 0x0, 0x0) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000000)={'rose0\x00', 0x112}) perf_event_open(&(0x7f0000000480)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4d31, 0x0, 0x8, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, 0x4, @perf_bp={0x0}, 0x200, 0x2, 0x0, 0x0, 0x9, 0xffffffff, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) program crashed: INFO: rcu detected stall in corrupted testing program (duration=4m31.417766488s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): perf_event_open$cgroup-openat$tun-ioctl$TUNSETIFF detailed listing: executing program 0: perf_event_open$cgroup(&(0x7f00000003c0)={0x2, 0x80, 0x16, 0x1, 0x0, 0x0, 0x0, 0x6, 0x10101, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, @perf_config_ext={0x2, 0x4}, 0x110805, 0x3, 0x200, 0x3}, 0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$tun(0xffffffffffffff9c, &(0x7f0000000280), 0x0, 0x0) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000000)={'rose0\x00', 0x112}) program crashed: INFO: rcu detected stall in wb_workfn testing program (duration=4m31.417766488s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): perf_event_open$cgroup-openat$tun detailed listing: executing program 0: perf_event_open$cgroup(&(0x7f00000003c0)={0x2, 0x80, 0x16, 0x1, 0x0, 0x0, 0x0, 0x6, 0x10101, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, @perf_config_ext={0x2, 0x4}, 0x110805, 0x3, 0x200, 0x3}, 0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0x0) openat$tun(0xffffffffffffff9c, &(0x7f0000000280), 0x0, 0x0) program crashed: INFO: rcu detected stall in corrupted testing program (duration=4m31.417766488s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): perf_event_open$cgroup detailed listing: executing program 0: perf_event_open$cgroup(&(0x7f00000003c0)={0x2, 0x80, 0x16, 0x1, 0x0, 0x0, 0x0, 0x6, 0x10101, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, @perf_config_ext={0x2, 0x4}, 0x110805, 0x3, 0x200, 0x3}, 0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0x0) program did not crash testing program (duration=4m31.417766488s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$tun detailed listing: executing program 0: openat$tun(0xffffffffffffff9c, &(0x7f0000000280), 0x0, 0x0) program did not crash testing program (duration=4m31.417766488s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): perf_event_open$cgroup-openat$tun detailed listing: executing program 0: perf_event_open$cgroup(0x0, 0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0x0) openat$tun(0xffffffffffffff9c, &(0x7f0000000280), 0x0, 0x0) program did not crash testing program (duration=4m31.417766488s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): perf_event_open$cgroup-openat$tun detailed listing: executing program 0: perf_event_open$cgroup(&(0x7f00000003c0)={0x2, 0x80, 0x16, 0x1, 0x0, 0x0, 0x0, 0x6, 0x10101, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, @perf_config_ext={0x2, 0x4}, 0x110805, 0x3, 0x200, 0x3}, 0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0x0) openat$tun(0xffffffffffffff9c, 0x0, 0x0, 0x0) program did not crash extracting C reproducer testing compiled C program (duration=4m31.417766488s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): perf_event_open$cgroup-openat$tun program did not crash simplifying guilty program options testing program (duration=4m31.417766488s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): perf_event_open$cgroup-openat$tun detailed listing: executing program 0: perf_event_open$cgroup(&(0x7f00000003c0)={0x2, 0x80, 0x16, 0x1, 0x0, 0x0, 0x0, 0x6, 0x10101, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, @perf_config_ext={0x2, 0x4}, 0x110805, 0x3, 0x200, 0x3}, 0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0x0) openat$tun(0xffffffffffffff9c, &(0x7f0000000280), 0x0, 0x0) program crashed: INFO: rcu detected stall in corrupted extracting C reproducer testing compiled C program (duration=4m31.417766488s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): perf_event_open$cgroup-openat$tun program did not crash testing program (duration=4m31.417766488s, {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}}): perf_event_open$cgroup-openat$tun detailed listing: executing program 0: perf_event_open$cgroup(&(0x7f00000003c0)={0x2, 0x80, 0x16, 0x1, 0x0, 0x0, 0x0, 0x6, 0x10101, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, @perf_config_ext={0x2, 0x4}, 0x110805, 0x3, 0x200, 0x3}, 0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0x0) openat$tun(0xffffffffffffff9c, &(0x7f0000000280), 0x0, 0x0) program did not crash testing program (duration=4m31.417766488s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): perf_event_open$cgroup-openat$tun detailed listing: executing program 0: perf_event_open$cgroup(&(0x7f00000003c0)={0x2, 0x80, 0x16, 0x1, 0x0, 0x0, 0x0, 0x6, 0x10101, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, @perf_config_ext={0x2, 0x4}, 0x110805, 0x3, 0x200, 0x3}, 0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0x0) openat$tun(0xffffffffffffff9c, &(0x7f0000000280), 0x0, 0x0) program crashed: INFO: rcu detected stall in corrupted validation run: crashed=true testing program (duration=4m31.417766488s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): perf_event_open$cgroup-openat$tun detailed listing: executing program 0: perf_event_open$cgroup(&(0x7f00000003c0)={0x2, 0x80, 0x16, 0x1, 0x0, 0x0, 0x0, 0x6, 0x10101, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, @perf_config_ext={0x2, 0x4}, 0x110805, 0x3, 0x200, 0x3}, 0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0x0) openat$tun(0xffffffffffffff9c, &(0x7f0000000280), 0x0, 0x0) program crashed: INFO: rcu detected stall in batadv_nc_worker validation run: crashed=true testing program (duration=4m31.417766488s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): perf_event_open$cgroup-openat$tun detailed listing: executing program 0: perf_event_open$cgroup(&(0x7f00000003c0)={0x2, 0x80, 0x16, 0x1, 0x0, 0x0, 0x0, 0x6, 0x10101, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, @perf_config_ext={0x2, 0x4}, 0x110805, 0x3, 0x200, 0x3}, 0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0x0) openat$tun(0xffffffffffffff9c, &(0x7f0000000280), 0x0, 0x0) program crashed: INFO: rcu detected stall in corrupted validation run: crashed=true reproducing took 1h18m59.188791842s repro crashed as (corrupted=true): rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: rcu: 0-....: (0 ticks this GP) idle=aeb/1/0x4000000000000000 softirq=7238/7239 fqs=2099 (detected by 1, t=10506 jiffies, g=7821, q=39768) Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 4530 Comm: syz.0.87 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026 RIP: 0010:__sanitizer_cov_trace_const_cmp8+0x0/0x80 kernel/kcov.c:300 Code: 28 4d 39 ca 77 22 89 ff 89 f6 4a c7 44 02 08 05 00 00 00 4a 89 7c 02 10 4a 89 74 02 18 4a 89 44 02 20 48 ff c1 48 89 0a c3 90 <48> 8b 04 24 65 48 8b 0d 74 48 89 7e 65 8b 15 75 48 89 7e 81 e2 00 RSP: 0018:ffffc900037aeff8 EFLAGS: 00000046 RAX: ffffffff81980a3d RBX: ffffffff817f50b8 RCX: ffff888024245940 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffffc900037af0f0 R08: ffffc900037af177 R09: ffffc900037af140 R10: dffffc0000000000 R11: fffff520006f5e2f R12: dffffc0000000000 R13: ffffc900037af1a6 R14: 0000000000010101 R15: ffffc900037af300 FS: 0000000000000000(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2cf24000 CR3: 000000000ce8e000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: perf_prepare_sample+0x97b/0x1cb0 kernel/events/core.c:7702 __perf_event_output kernel/events/core.c:7812 [inline] perf_event_output_forward+0x185/0x2e0 kernel/events/core.c:7832 __perf_event_overflow+0x35f/0x550 kernel/events/core.c:9525 perf_tp_event+0x324/0xbe0 kernel/events/core.c:10057 perf_trace_run_bpf_submit+0xf3/0x1c0 kernel/events/core.c:10031 perf_trace_preemptirq_template+0x2aa/0x360 include/trace/events/preemptirq.h:14 trace_irq_enable_rcuidle+0x108/0x180 include/trace/events/preemptirq.h:40 trace_hardirqs_on+0x57/0x80 kernel/trace/trace_preemptirq.c:44 asm_sysvec_irq_work+0x16/0x20 arch/x86/include/asm/idtentry.h:713 RIP: 0010:rcu_read_unlock_special+0x7f/0x4a0 kernel/rcu/tree_plugin.h:674 Code: eb 03 48 b8 f1 f1 f1 f1 f8 f2 f2 f2 4a 89 04 2b 42 c7 44 2b 08 f8 f3 f3 f3 65 44 8b 35 82 fc 9c 7e 41 f7 c6 00 00 f0 00 74 40 <48> c7 44 24 20 0e 36 e0 45 4a c7 04 2b 00 00 00 00 42 c7 44 2b 08 RSP: 0018:ffffc900037af720 EFLAGS: 00000206 RAX: be6f2c1cb9255900 RBX: 1ffff920006f5ee8 RCX: be6f2c1cb9255900 RDX: dffffc0000000000 RSI: ffffffff8a2b2b60 RDI: ffffffff8a7a4b40 RBP: ffffc900037af7f0 R08: ffffffff910150c7 R09: 1ffffffff2202a18 R10: dffffc0000000000 R11: fffffbfff2202a19 R12: ffffffff8d123400 R13: dffffc0000000000 R14: 0000000000000246 R15: 0000000000000001 __rcu_read_unlock+0x78/0xd0 kernel/rcu/tree_plugin.h:422 rcu_read_unlock include/linux/rcupdate.h:772 [inline] __unlock_page_memcg+0xea/0x100 mm/memcontrol.c:2093 zap_pte_range mm/memory.c:1384 [inline] zap_pmd_range mm/memory.c:1505 [inline] zap_pud_range mm/memory.c:1534 [inline] zap_p4d_range mm/memory.c:1555 [inline] unmap_page_range+0xee4/0x2410 mm/memory.c:1576 unmap_vmas+0x131/0x250 mm/memory.c:1653 exit_mmap+0x3b9/0x640 mm/mmap.c:3216 __mmput+0x115/0x390 kernel/fork.c:1133 exit_mm+0x632/0x7b0 kernel/exit.c:557 do_exit+0x5b8/0x2110 kernel/exit.c:877 do_group_exit+0x12c/0x2f0 kernel/exit.c:1004 __do_sys_exit_group kernel/exit.c:1015 [inline] __se_sys_exit_group kernel/exit.c:1013 [inline] __x64_sys_exit_group+0x3b/0x40 kernel/exit.c:1013 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 RIP: 0033:0x7f1f96d37559 Code: Unable to access opcode bytes at RIP 0x7f1f96d3752f. RSP: 002b:00007ffd0734c668 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f1f96d37559 RDX: 0000000000000064 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00007ffd0734c6cc R08: 0000000000000000 R09: 00000000000927c0 R10: 0000000000000001 R11: 0000000000000246 R12: 000000000000001d R13: 00000000000927c0 R14: 0000000000025fb4 R15: 00007ffd0734c720 report is corrupted, running repro again testing program (duration=4m31.417766488s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): perf_event_open$cgroup-openat$tun detailed listing: executing program 0: perf_event_open$cgroup(&(0x7f00000003c0)={0x2, 0x80, 0x16, 0x1, 0x0, 0x0, 0x0, 0x6, 0x10101, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, @perf_config_ext={0x2, 0x4}, 0x110805, 0x3, 0x200, 0x3}, 0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0x0) openat$tun(0xffffffffffffff9c, &(0x7f0000000280), 0x0, 0x0) program crashed: INFO: rcu detected stall in corrupted report is corrupted, running repro again testing program (duration=4m31.417766488s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): perf_event_open$cgroup-openat$tun detailed listing: executing program 0: perf_event_open$cgroup(&(0x7f00000003c0)={0x2, 0x80, 0x16, 0x1, 0x0, 0x0, 0x0, 0x6, 0x10101, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, @perf_config_ext={0x2, 0x4}, 0x110805, 0x3, 0x200, 0x3}, 0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0x0) openat$tun(0xffffffffffffff9c, &(0x7f0000000280), 0x0, 0x0) program crashed: INFO: rcu detected stall in corrupted report is corrupted, running repro again testing program (duration=4m31.417766488s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): perf_event_open$cgroup-openat$tun detailed listing: executing program 0: perf_event_open$cgroup(&(0x7f00000003c0)={0x2, 0x80, 0x16, 0x1, 0x0, 0x0, 0x0, 0x6, 0x10101, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, @perf_config_ext={0x2, 0x4}, 0x110805, 0x3, 0x200, 0x3}, 0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0x0) openat$tun(0xffffffffffffff9c, &(0x7f0000000280), 0x0, 0x0) program crashed: INFO: rcu detected stall in corrupted final repro crashed as (corrupted=true): rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: rcu: 0-...!: (0 ticks this GP) idle=71d/1/0x4000000000000002 softirq=16529/16529 fqs=0 (detected by 1, t=10502 jiffies, g=21253, q=1371) Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 7453 Comm: syz.3.3000 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026 RIP: 0010:memset_erms+0x9/0x10 arch/x86/lib/memset_64.S:64 Code: c1 e9 03 40 0f b6 f6 48 b8 01 01 01 01 01 01 01 01 48 0f af c6 f3 48 ab 89 d1 f3 aa 4c 89 c8 c3 90 49 89 f9 40 88 f0 48 89 d1 aa 4c 89 c8 c3 90 49 89 fa 40 0f b6 ce 48 b8 01 01 01 01 01 01 RSP: 0018:ffffc9000c78f278 EFLAGS: 00010002 RAX: ffffffff8198a300 RBX: dffffc0000000000 RCX: 0000000000000080 RDX: 0000000000000100 RSI: 0000000000000000 RDI: ffffc9000c78f380 RBP: ffffc9000c78f4e8 R08: ffffc9000c78f3ff R09: ffffc9000c78f300 R10: dffffc0000000000 R11: fffff520018f1e80 R12: ffffe8ffffc35488 R13: 1ffff920018f1e58 R14: ffffe8ffffc7e000 R15: ffffc9000c78f300 FS: 0000000000000000(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f7accd79feb CR3: 000000000ce8e000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: perf_tp_event+0xfa/0xbe0 kernel/events/core.c:10040 perf_trace_run_bpf_submit+0xf3/0x1c0 kernel/events/core.c:10031 perf_trace_preemptirq_template+0x2aa/0x360 include/trace/events/preemptirq.h:14 trace_irq_enable_rcuidle+0x108/0x180 include/trace/events/preemptirq.h:40 trace_hardirqs_on+0x57/0x80 kernel/trace/trace_preemptirq.c:44 asm_sysvec_irq_work+0x16/0x20 arch/x86/include/asm/idtentry.h:713 RIP: 0010:rcu_read_unlock_special+0x7f/0x4a0 kernel/rcu/tree_plugin.h:674 Code: eb 03 48 b8 f1 f1 f1 f1 f8 f2 f2 f2 4a 89 04 2b 42 c7 44 2b 08 f8 f3 f3 f3 65 44 8b 35 82 fc 9c 7e 41 f7 c6 00 00 f0 00 74 40 <48> c7 44 24 20 0e 36 e0 45 4a c7 04 2b 00 00 00 00 42 c7 44 2b 08 RSP: 0018:ffffc9000c78f720 EFLAGS: 00000206 RAX: d0a7771bb0272f00 RBX: 1ffff920018f1ee8 RCX: d0a7771bb0272f00 RDX: dffffc0000000000 RSI: ffffffff8a2b2b60 RDI: ffffffff8a7a4b40 RBP: ffffc9000c78f7f0 R08: ffffffff910150c7 R09: 1ffffffff2202a18 R10: dffffc0000000000 R11: fffffbfff2202a19 R12: ffffffff8d123400 R13: dffffc0000000000 R14: 0000000000000246 R15: 0000000000000001 __rcu_read_unlock+0x78/0xd0 kernel/rcu/tree_plugin.h:422 rcu_read_unlock include/linux/rcupdate.h:772 [inline] __unlock_page_memcg+0xea/0x100 mm/memcontrol.c:2093 zap_pte_range mm/memory.c:1384 [inline] zap_pmd_range mm/memory.c:1505 [inline] zap_pud_range mm/memory.c:1534 [inline] zap_p4d_range mm/memory.c:1555 [inline] unmap_page_range+0xee4/0x2410 mm/memory.c:1576 unmap_vmas+0x131/0x250 mm/memory.c:1653 exit_mmap+0x3b9/0x640 mm/mmap.c:3216 __mmput+0x115/0x390 kernel/fork.c:1133 exit_mm+0x632/0x7b0 kernel/exit.c:557 do_exit+0x5b8/0x2110 kernel/exit.c:877 do_group_exit+0x12c/0x2f0 kernel/exit.c:1004 __do_sys_exit_group kernel/exit.c:1015 [inline] __se_sys_exit_group kernel/exit.c:1013 [inline] __x64_sys_exit_group+0x3b/0x40 kernel/exit.c:1013 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 RIP: 0033:0x7f673d18f559 Code: Unable to access opcode bytes at RIP 0x7f673d18f52f. RSP: 002b:00007ffe901776f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f673d18f559 RDX: 0000000000000064 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00007ffe9017775c R08: 0000000000000000 R09: 00000000000927c0 R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000251 R13: 00000000000927c0 R14: 000000000002ff10 R15: 00007ffe901777b0 rcu: rcu_preempt kthread timer wakeup didn't happen for 10501 jiffies! g21253 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 rcu: Possible timer handling issue on cpu=0 timer-softirq=10852 rcu: rcu_preempt kthread starved for 10502 jiffies! g21253 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->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:I stack:27840 pid: 15 ppid: 2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:5049 [inline] __schedule+0x11c3/0x4350 kernel/sched/core.c:6395 schedule+0x11b/0x1e0 kernel/sched/core.c:6478 schedule_timeout+0x184/0x2d0 kernel/time/timer.c:2117 rcu_gp_fqs_loop+0x2be/0x11f0 kernel/rcu/tree.c:1972 rcu_gp_kthread+0x9a/0x370 kernel/rcu/tree.c:2145 kthread+0x42e/0x520 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 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 7453 Comm: syz.3.3000 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026 RIP: 0010:check_kcov_mode kernel/kcov.c:182 [inline] RIP: 0010:__sanitizer_cov_trace_pc+0x32/0x60 kernel/kcov.c:205 Code: 54 4c 89 7e 65 8b 15 55 4c 89 7e 81 e2 00 01 ff 00 74 11 81 fa 00 01 00 00 75 35 83 b9 34 16 00 00 00 74 2c 8b 91 10 16 00 00 <83> fa 02 75 21 48 8b 91 18 16 00 00 48 8b 32 48 8d 7e 01 8b 89 14 RSP: 0018:ffffc9000c78eff8 EFLAGS: 00000046 RAX: ffffffff81980568 RBX: ffffffff817f50b8 RCX: ffff88807bf88000 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffffc9000c78f0f0 R08: ffffc9000c78f177 R09: ffffc9000c78f140 R10: dffffc0000000000 R11: fffff520018f1e2f R12: dffffc0000000000 R13: ffffc9000c78f1a6 R14: 0000000000010101 R15: ffffc9000c78f300 FS: 0000000000000000(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f7accd79feb CR3: 000000000ce8e000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: perf_prepare_sample+0x418/0x1cb0 kernel/events/core.c:7650 __perf_event_output kernel/events/core.c:7812 [inline] perf_event_output_forward+0x185/0x2e0 kernel/events/core.c:7832 __perf_event_overflow+0x35f/0x550 kernel/events/core.c:9525 perf_tp_event+0x324/0xbe0 kernel/events/core.c:10057 perf_trace_run_bpf_submit+0xf3/0x1c0 kernel/events/core.c:10031 perf_trace_preemptirq_template+0x2aa/0x360 include/trace/events/preemptirq.h:14 trace_irq_enable_rcuidle+0x108/0x180 include/trace/events/preemptirq.h:40 trace_hardirqs_on+0x57/0x80 kernel/trace/trace_preemptirq.c:44 asm_sysvec_irq_work+0x16/0x20 arch/x86/include/asm/idtentry.h:713 RIP: 0010:rcu_read_unlock_special+0x7f/0x4a0 kernel/rcu/tree_plugin.h:674 Code: eb 03 48 b8 f1 f1 f1 f1 f8 f2 f2 f2 4a 89 04 2b 42 c7 44 2b 08 f8 f3 f3 f3 65 44 8b 35 82 fc 9c 7e 41 f7 c6 00 00 f0 00 74 40 <48> c7 44 24 20 0e 36 e0 45 4a c7 04 2b 00 00 00 00 42 c7 44 2b 08 RSP: 0018:ffffc9000c78f720 EFLAGS: 00000206 RAX: d0a7771bb0272f00 RBX: 1ffff920018f1ee8 RCX: d0a7771bb0272f00 RDX: dffffc0000000000 RSI: ffffffff8a2b2b60 RDI: ffffffff8a7a4b40 RBP: ffffc9000c78f7f0 R08: ffffffff910150c7 R09: 1ffffffff2202a18 R10: dffffc0000000000 R11: fffffbfff2202a19 R12: ffffffff8d123400 R13: dffffc0000000000 R14: 0000000000000246 R15: 0000000000000001 __rcu_read_unlock+0x78/0xd0 kernel/rcu/tree_plugin.h:422 rcu_read_unlock include/linux/rcupdate.h:772 [inline] __unlock_page_memcg+0xea/0x100 mm/memcontrol.c:2093 zap_pte_range mm/memory.c:1384 [inline] zap_pmd_range mm/memory.c:1505 [inline] zap_pud_range mm/memory.c:1534 [inline] zap_p4d_range mm/memory.c:1555 [inline] unmap_page_range+0xee4/0x2410 mm/memory.c:1576 unmap_vmas+0x131/0x250 mm/memory.c:1653 exit_mmap+0x3b9/0x640 mm/mmap.c:3216 __mmput+0x115/0x390 kernel/fork.c:1133 exit_mm+0x632/0x7b0 kernel/exit.c:557 do_exit+0x5b8/0x2110 kernel/exit.c:877 do_group_exit+0x12c/0x2f0 kernel/exit.c:1004 __do_sys_exit_group kernel/exit.c:1015 [inline] __se_sys_exit_group kernel/exit.c:1013 [inline] __x64_sys_exit_group+0x3b/0x40 kernel/exit.c:1013 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 RIP: 0033:0x7f673d18f559 Code: Unable to access opcode bytes at RIP 0x7f673d18f52f. RSP: 002b:00007ffe901776f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f673d18f559 RDX: 0000000000000064 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00007ffe9017775c R08: 0000000000000000 R09: 00000000000927c0 R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000251 R13: 00000000000927c0 R14: 000000000002ff10 R15: 00007ffe901777b0