Extracting prog: 8m43.436243035s Minimizing prog: 24m35.930075925s Simplifying prog options: 0s Extracting C: 1m37.089030728s Simplifying C: 8m52.49792734s 12 programs, timeouts [45s 5m0s 16m0s] extracting reproducer from 12 programs single: executing 2 programs separately with timeout 45s testing program (duration=45s, {Threaded:true Repeat:true RepeatTimes:0 Procs:2 Slowdown:10 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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_open_procfs$namespace-ioctl$NS_GET_PARENT detailed listing: executing program 0: r0 = syz_open_procfs$namespace(0x0, &(0x7f0000000000)='ns/pid_for_children\x00') ioctl$NS_GET_PARENT(r0, 0x8004b706, 0x0) program did not crash testing program (duration=45s, {Threaded:true Repeat:true RepeatTimes:0 Procs:2 Slowdown:10 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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN-socket-prlimit64-sched_setscheduler-mmap-socketpair$unix-connect$unix-sendmmsg$unix-recvmmsg-bpf$MAP_CREATE-setsockopt$netlink_NETLINK_TX_RING-sendmsg$nl_route detailed listing: executing program 0: r0 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000200)={0x11, 0x5, &(0x7f0000000000)=ANY=[@ANYBLOB="18000000008000000000000001000000940000000fad413ec50000000f00000095"], &(0x7f0000000180)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0x2}, 0x78) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000080)={&(0x7f0000000040)='netlink_extack\x00', r0}, 0x10) r1 = socket(0x10, 0x3, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(0xffffffffffffffff, &(0x7f000057eff8)=@abs, 0x6e) sendmmsg$unix(r3, &(0x7f0000000000), 0x651, 0x0) recvmmsg(r2, &(0x7f00000000c0), 0x10106, 0x2, 0x0) bpf$MAP_CREATE(0x0, 0x0, 0x0) setsockopt$netlink_NETLINK_TX_RING(r1, 0x10e, 0xc, &(0x7f00000001c0)={0x5813}, 0x10) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000200)={&(0x7f00000004c0)=ANY=[@ANYBLOB="1c0000004200cd2a00000000000000000a009d"], 0x1c}}, 0x0) program did not crash single: failed to extract reproducer bisect: bisecting 12 programs with base timeout 45s testing program (duration=48s, {Threaded:true Repeat:true RepeatTimes:0 Procs:2 Slowdown:10 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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): [5, 1, 4, 2, 3, 13, 8, 9, 7, 5, 2, 2] detailed listing: executing program 0: bpf$BPF_MAP_LOOKUP_AND_DELETE_ELEM(0x15, &(0x7f0000000000)={0xffffffffffffffff, 0x0, &(0x7f0000002140)=""/4128, 0x4}, 0x20) r0 = bpf$PROG_LOAD(0x5, &(0x7f0000000440)={0x11, 0x6, &(0x7f0000000500)=ANY=[@ANYBLOB="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"], &(0x7f0000000080)='GPL\x00', 0x5, 0x29e, &(0x7f000000cf3d)=""/195, 0x0, 0x0, '\x00', 0x0, 0x0, 0xffffffffffffffff, 0x6}, 0x70) r1 = bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f00000000c0)={&(0x7f0000000080)='sched_switch\x00', r0}, 0x10) bpf$BPF_GET_MAP_INFO(0xf, &(0x7f0000000140)={r1, 0x34}, 0x10) bpf$PROG_LOAD_XDP(0x5, 0x0, 0x0) executing program 0: bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000600)={0x13, 0x3, &(0x7f0000000000)=ANY=[@ANYBLOB="deaa00000000000071108f00000000009500080000000000"], &(0x7f0000000480)='syzkaller\x00'}, 0x80) executing program 0: r0 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f00000013c0)={0x18, 0x3, &(0x7f0000000640)=ANY=[@ANYBLOB="1800000000000000000000000000200095"], &(0x7f0000000000)='syzkaller\x00'}, 0x90) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f00000001c0)={&(0x7f0000000040)='sched_switch\x00', r0}, 0x10) r1 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000500)=@newlink={0x3c, 0x10, 0xc09, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bridge={{0xb}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BR_HELLO_TIME={0x8}]}}}]}, 0x3c}}, 0x0) executing program 0: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000000040)=@newlink={0x44, 0x10, 0xe09, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x24, 0x12, 0x0, 0x1, @ip6gre={{0xb}, {0x14, 0x2, 0x0, 0x1, [@IFLA_GRE_FLAGS={0x8}, @IFLA_GRE_FLOWINFO={0x8}]}}}]}, 0x44}}, 0x0) executing program 0: add_key$keyring(0x0, 0x0, 0x0, 0x0, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000500)=@newlink={0x40, 0x10, 0x437, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x40224}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @sit={{0x8}, {0x14, 0x2, 0x0, 0x1, [@IFLA_IPTUN_6RD_RELAY_PREFIXLEN={0x6}, @IFLA_IPTUN_REMOTE={0x8, 0x3, @multicast1}]}}}]}, 0x40}}, 0x0) executing program 0: r0 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000200)={0x11, 0x5, &(0x7f0000000000)=ANY=[@ANYBLOB="18000000008000000000000001000000940000000fad413ec50000000f00000095"], &(0x7f0000000180)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0x2}, 0x78) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000080)={&(0x7f0000000040)='netlink_extack\x00', r0}, 0x10) r1 = socket(0x10, 0x3, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000080)=0x7) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(0xffffffffffffffff, &(0x7f000057eff8)=@abs, 0x6e) sendmmsg$unix(r3, &(0x7f0000000000), 0x651, 0x0) recvmmsg(r2, &(0x7f00000000c0), 0x10106, 0x2, 0x0) bpf$MAP_CREATE(0x0, 0x0, 0x0) setsockopt$netlink_NETLINK_TX_RING(r1, 0x10e, 0xc, &(0x7f00000001c0)={0x5813}, 0x10) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000200)={&(0x7f00000004c0)=ANY=[@ANYBLOB="1c0000004200cd2a00000000000000000a009d"], 0x1c}}, 0x0) executing program 1: syz_io_uring_setup(0x24f9, &(0x7f0000000080), 0x0, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) syz_io_uring_setup(0x2ddd, &(0x7f0000000200), 0x0, 0x0) syz_io_uring_setup(0x5e2, &(0x7f0000000080), 0x0, 0x0) r1 = bpf$PROG_LOAD(0x5, &(0x7f0000000b40)={0x11, 0x8, &(0x7f0000005c00)=ANY=[@ANYBLOB="620af8ff0c200021bfa100000000000007010000f8ffffffb702000003000000bd120000000000008500000006000000b70000000000000095000000000000003faf4f2aa3d9b18ed812a2e2c49e8020a6f4e0e4f698393aa0f3881f9c24aa56f15199fad0093c59d66b5ece9f36c70d0f13905ea23c22624c9f87f9793f50bb546000677b0c5077da80fb982c1e9400e693146cea484a415b76966118b64f751a0f241b072e90080008002d75593a286cecc93e64c227c95aa0b784625704f07a72c234664c0af9360a1f7a5e6b607130c89f18c0c1089d8b853289d01aa27ae8b09e00e79ab20b0b8e1148f49faf2ad0000000000000006fa03c6468972089b302d7bf6023cdcedb5e0125ebbc08dee510cb2364149215108333719acd97cfa107d40224edc5467a932b77674e802a0d42bc6099ad238af770b5ed8925161729298700000080006ef6c1ff0900000000000010c63a949e8b7955394ffa82b8e942c89112f4ab87b1bfeda7be586602d985430cea0162ab3fcf4591c926abfb076719237c8d0e60b0eea24492a660583eecdbf5bcd3de3ac3209da17a0faf60fd6ad9b97aa5fa68480366c9c6fd6fa5043aa3926b81e3b59c95c25a573dc2edcaea2b1a52496dfcaf99431412fd134a996382a1a04d5bb924cfe5f3185418d605ffff9c4d2ec7c32f2095e63c80aff9fa740b5b7632f32030916f89c6dad7603f2ba2a790d62d6faec2fed44da4928b30142ba11de6c5d50b83bae613402216b5054d1e7c13b135ab6f4a8245ffa4997da9c77af4c0eb97fca585ec6bf58351d564beb6d952aab9c70764b0a8a7583c90b3433b809b5b9fbd48bc873495cbff8a326eea31ae4e0f7505ebf6c9d13330ca006bce1a84521f14518c9b476fccbd6c712016219848624b87cec2dbe98223a0eb4fa39f6b5c02e6d6d90756ff57902a8f57000000009700cf0b4b8bc2294133000000000000000000030000000000000000000000000010008bc0d9559711e6e8861c46495ba585a4b2d02edc3e28dd271c896249ed3957f813567f7a95435ac15fc0288d9b2a169cdcacc413b48dafb7a2c8cb482bac0ac559eaf39027ceb379a902d9ba96ffffff7f0000100000000000007d5ad897ef3b7cda42013d53046da21b40216e14ba2d6ad5656bfff17addaedab25b30002abbba7fa725f38400be7c1f001b2cd317902f19e385beef3282830689da6b53b263339863297771429d120000003341bf4abacac94500fca0493cf29b33dcc9ffffffffffffffd39f6ce0c6ff01589646efd1cf870cd7bb2366fdf870ce5dfd3467decb05cfd9fcb32c8ed1dbd9d10a64c1083d5e71b5565b1768ee58969c41595229df17bcad70fb4021428ce970275d13b78100788f11f761038b75d4fe32b561d46ea3abe0fa4d30dc94ef241875f3b4ce0232fcea69c271d7fa29822aea68a660e717a04becff0f719197724f4fce1293b62d7e8c7123d8ec571be54c72d978cf906df0042e36acd37d7f9e119f2c06f815312e0cfe222a06f56dd000c074eb8a322fb0bf47c0a8d154b405c37feaf3dd95f6ef2acd1fe582786105c7df8be5877050c91301fb997316dbf17866fb84d4173731efe895ff2e1c55ef08235a0126e01254c44060926e90109b598502d3e959efc71f665c4d75cf2458e3542c9062ece84c99a861887a20639b41c8c12ee86c50804042b3eac1f879b136345cf67ca3fb5aac518a75f9e7d7101d5e186c489b3a06fb99e0aa7f23a054de2f4d92d6bd72ee2c9fdc74aaaf1e3e483b4ad05573af40326993947d9a631bcbf3583784acbda216550d7ad333545794f37331766e472391e358c3b377327ac9ecc34f24c9ae153ec60ac0694dc55bff9f5f4df90400000000000000d6b2c5ea139376f24285bf16b99c9cc0ad1857216f1a985f369191ae954febb3df464bfe0f7f3ee9afe7befb89d2777399f5874c553aeb3729cffe86e66964ae09bb6d163118e4cbe024fd4500f8e3070000001e48418046c216c1f895778cb25122a2a998de0842a486721737390cbf3a74cb2003016f1514216bdf57d2a40d40b51ab63e96ec84ac3571f02f647b3385b3b8a8c9ae3d14f93100c2e0893862eef552fcde2981f48c482bde8a168c3f5db2fea6f26e4a4304e50c349f4f9ecee27defc93871c5f99b355b72d538ba2f58ea8e4aa37094191e10096e7e60fc3541a2c905a1a95e9571bf38ae1981c4238ecaee6f75cd0a6881bd1517a8250df986741517abf11389b751f4e109b60000000000000000d6d5210d7560eb92d6a97a27602b81f76386f1535bef1497f92186086e29c6bc5a1fad6ec9a31137abf9a404abde7750890ae71555b3228b1bd627e87306703be8672d70d1ab57075228a9f46ed9bd1f08fb8191bbab2dc51de3a61f0868afc4294859323e7a45319f18101288d139bd3da230ed05a8fe64680b0a3f9f2dd704e4214de5946912d6c98cd1a9fbe1e7d58c08acaf30235b9100000000a55f74a23641f61f2d5b308cf0d031b0c7f0ced69993e9960ff5f76015e6009756237badf4e7965bbe2777e808fcba821aa8e8c5c39609ff854356cb4900000000000000000000000000c1fee30a3f7a85d1b29e58c776f4b4ce07e1c6fa66fcfc7a228805f76785efc0ceb1c8e5729c66418d169fc03aa18854693ad2a182068e1e3a0e2505bc7f41019645466ac96e0d4b3bc19faa5449209b083dbd334b47f067bbab40743b2a428f1da1f68df75cf43f8ecc8d3726602111b40e761fd21081920382f14d12ca3c3431ee97471c7868dcda7e478950aa69eb7f7f80572fdd11bb1d0d1280fbc22bf73468788df51710d7d31c632fc5ed1762eb0b428ee751c47d8e894f745a868404a0bf35f0121008b722b1eaa6aedfa1bf2e7ccb2d61d5d76331945e20fa26b8471d42645288d7226bbd9c9e9e1cc9eb3d541e407cc2dae5e690cd628ab848753203b458b97ec1afb079b4b4ba686fcdf240430a537a395dc73bda367bf12cb7d81691a5fe8c47be395656a297e9df0e71f96756ea5cce7db3c4be290159f6bcd75f0dda9de5532e71ae9e48b0ed1254a83100000000f6fbb869604d51a36a54c832e45b2569dc0d90b075225fde44c4e0973171ad47d6c30ebc660309e1e245b0fdf9743af932cd6db49a47613808bad959719c0000000000378ac2e24c7e800003c9e8095e02985f28e678f66422436f949e2ab8f162d7e3f855e378f4a1f40b0c6fb2d4b205a800b6d713acebc5b014e61a543a5a194f9ac18d76b5440e3b1a569e7397f6ca0400966d7ba19e720413267a6ccea9c439671d2c680f2753ca184eeeb843450368acb4383a01d25eb3d1e23e0f2645d1cdfa9fa410632f95a5f622f851c66ee7e3030108000000000000c4f93c0984b5c2d4523497e4d64f95f08493564a1df87111c9bffef97dcecc467ace456597685c5870d25f88a0f463db88d377442e1349acaf766218b54a9d624778e1c4c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&(0x7f0000000100)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x0, 0x10, &(0x7f0000000000), 0xffffffffffffff7e}, 0x48) pselect6(0x40, &(0x7f00000000c0), 0x0, &(0x7f0000000140)={0x1fb}, 0x0, 0x0) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000140)={&(0x7f0000000080)='sched_switch\x00', r1}, 0x10) shutdown(r0, 0x0) executing program 1: bpf$MAP_CREATE(0x0, 0x0, 0x0) r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f00000001c0)={0xa, 0x4e22}, 0x1c) setsockopt$inet6_int(r0, 0x29, 0x3c, &(0x7f0000000180)=0x100003, 0x4) sendto$inet6(r0, 0x0, 0x0, 0x200008d4, &(0x7f000072e000)={0xa, 0x4e22, 0x0, @loopback}, 0x1c) setsockopt$inet6_IPV6_HOPOPTS(r0, 0x29, 0x36, &(0x7f0000000680)=ANY=[@ANYBLOB="0001"], 0x18) sendto$inet6(r0, &(0x7f0000000080)='w', 0x1, 0xc1, 0x0, 0x0) setsockopt$inet6_IPV6_HOPOPTS(r0, 0x29, 0x36, &(0x7f0000000280)=ANY=[], 0x8) sendto$inet6(r0, &(0x7f0000000280)="03", 0xfeaa, 0x4008000, 0x0, 0x0) executing program 1: r0 = socket$l2tp6(0xa, 0x2, 0x73) bind$l2tp6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @empty, 0x0, 0x1}, 0x20) r1 = socket$l2tp6(0xa, 0x2, 0x73) bind$l2tp6(r1, &(0x7f0000000140)={0xa, 0x0, 0x0, @loopback}, 0x20) syz_emit_ethernet(0x8e, 0x0, 0x0) r2 = seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x0, &(0x7f00000000c0)={0x1, &(0x7f0000000100)=[{0x6, 0x0, 0x0, 0x7fff0006}]}) close_range(r2, 0xffffffffffffffff, 0x0) executing program 1: bpf$PROG_LOAD_XDP(0x5, &(0x7f0000000140)={0x6, 0x3, &(0x7f0000000680)=ANY=[@ANYBLOB="1800000002000000000000000000000095"], 0x0}, 0x90) syz_emit_ethernet(0x2a, &(0x7f0000000000)={@local, @broadcast, @void, {@ipv4={0x800, @icmp={{0x5, 0x4, 0x0, 0x0, 0x1c, 0x0, 0x0, 0x0, 0x2, 0x0, @private=0x500, @multicast1}, @address_request={0x11, 0x2}}}}}, 0x0) r0 = bpf$PROG_LOAD_XDP(0x5, &(0x7f0000000480)={0x6, 0x3, &(0x7f0000000680)=ANY=[], &(0x7f0000000100)='syzkaller\x00'}, 0x90) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000600)={r0, 0x5, 0xb68, 0x29, &(0x7f0000000000)='%', 0x0, 0xd01, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, 0x1100}, 0x48) sendmmsg$inet6(0xffffffffffffffff, 0x0, 0x0, 0x0) executing program 1: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000080)=@newlink={0x40, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6erspan={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_IFLAGS={0x6}]}}}]}, 0x40}}, 0x0) executing program 1: r0 = syz_open_procfs$namespace(0x0, &(0x7f0000000000)='ns/pid_for_children\x00') ioctl$NS_GET_PARENT(r0, 0x8004b706, 0x0) program did not crash replaying the whole log did not cause a kernel crash single: executing 2 programs separately with timeout 5m0s testing program (duration=5m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:2 Slowdown:10 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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_open_procfs$namespace-ioctl$NS_GET_PARENT detailed listing: executing program 0: r0 = syz_open_procfs$namespace(0x0, &(0x7f0000000000)='ns/pid_for_children\x00') ioctl$NS_GET_PARENT(r0, 0x8004b706, 0x0) program crashed: WARNING in rcu_note_context_switch single: successfully extracted reproducer found reproducer with 2 syscalls minimizing guilty program testing program (duration=7m30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:2 Slowdown:10 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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_open_procfs$namespace detailed listing: executing program 0: syz_open_procfs$namespace(0x0, &(0x7f0000000000)='ns/pid_for_children\x00') program did not crash testing program (duration=7m30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:2 Slowdown:10 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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): ioctl$NS_GET_PARENT detailed listing: executing program 0: ioctl$NS_GET_PARENT(0xffffffffffffffff, 0x8004b706, 0x0) program did not crash testing program (duration=7m30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:2 Slowdown:10 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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_open_procfs$namespace-ioctl$NS_GET_PARENT detailed listing: executing program 0: r0 = syz_open_procfs$namespace(0x0, 0x0) ioctl$NS_GET_PARENT(r0, 0x8004b706, 0x0) program did not crash extracting C reproducer testing compiled C program (duration=7m30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:2 Slowdown:10 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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_open_procfs$namespace-ioctl$NS_GET_PARENT program crashed: WARNING in rcu_note_context_switch simplifying C reproducer testing compiled C program (duration=7m30s, {Threaded:false Repeat:true RepeatTimes:0 Procs:2 Slowdown:10 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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_open_procfs$namespace-ioctl$NS_GET_PARENT program crashed: WARNING in rcu_note_context_switch testing compiled C program (duration=7m30s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:10 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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_open_procfs$namespace-ioctl$NS_GET_PARENT program crashed: WARNING in rcu_note_context_switch testing compiled C program (duration=7m30s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:10 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:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_open_procfs$namespace-ioctl$NS_GET_PARENT program crashed: WARNING in rcu_note_context_switch testing compiled C program (duration=7m30s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:10 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:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_open_procfs$namespace-ioctl$NS_GET_PARENT program crashed: WARNING in rcu_note_context_switch testing compiled C program (duration=7m30s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:10 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:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_open_procfs$namespace-ioctl$NS_GET_PARENT program crashed: WARNING in rcu_note_context_switch testing compiled C program (duration=7m30s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:10 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:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_open_procfs$namespace-ioctl$NS_GET_PARENT program crashed: WARNING in rcu_note_context_switch reproducing took 43m48.953320768s repro crashed as (corrupted=false): ------------[ cut here ]------------ Voluntary context switch within RCU read-side critical section! WARNING: CPU: 0 PID: 3460 at kernel/rcu/tree_plugin.h:330 rcu_note_context_switch+0x354/0x49c kernel/rcu/tree_plugin.h:330 Modules linked in: CPU: 0 PID: 3460 Comm: syz-executor248 Not tainted 6.10.0-syzkaller-04472-g51835949dda3 #0 Hardware name: linux,dummy-virt (DT) pstate: 614000c9 (nZCv daIF +PAN -UAO -TCO +DIT -SSBS BTYPE=--) pc : rcu_note_context_switch+0x354/0x49c kernel/rcu/tree_plugin.h:330 lr : rcu_note_context_switch+0x354/0x49c kernel/rcu/tree_plugin.h:330 sp : ffff800089523d30 x29: ffff800089523d30 x28: f6f0000005d4a480 x27: 0000000000000000 x26: 0000000000000000 x25: f6f0000005d4a480 x24: ffff800082643318 x23: 0000000000000000 x22: f6f0000005d4a480 x21: fff000007f8d6240 x20: ffff80008261e040 x19: fff000007f8d7040 x18: fffffffffffcb658 x17: fff07ffffd2b9000 x16: ffff800080000000 x15: 0000000000000048 x14: fffffffffffcb6a0 x13: ffff80008266b0a8 x12: 000000000000088b x11: 00000000000002d9 x10: ffff80008271f500 x9 : ffff80008266b0a8 x8 : 00000000ffffdfff x7 : ffff80008271b0a8 x6 : 00000000000002d9 x5 : fff000007f8cbf48 x4 : 40000000ffffe2d9 x3 : fff07ffffd2b9000 x2 : 0000000000000000 x1 : 0000000000000000 x0 : f6f0000005d4a480 Call trace: rcu_note_context_switch+0x354/0x49c kernel/rcu/tree_plugin.h:330 __schedule+0xb0/0x850 kernel/sched/core.c:6417 __schedule_loop kernel/sched/core.c:6606 [inline] schedule+0x34/0x104 kernel/sched/core.c:6621 do_notify_resume+0xe4/0x164 arch/arm64/kernel/entry-common.c:136 exit_to_user_mode_prepare arch/arm64/kernel/entry-common.c:169 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:178 [inline] el0_interrupt+0xc4/0xc8 arch/arm64/kernel/entry-common.c:797 __el0_irq_handler_common+0x18/0x24 arch/arm64/kernel/entry-common.c:802 el0t_64_irq_handler+0x10/0x1c arch/arm64/kernel/entry-common.c:807 el0t_64_irq+0x19c/0x1a0 arch/arm64/kernel/entry.S:599 ---[ end trace 0000000000000000 ]--- final repro crashed as (corrupted=false): ------------[ cut here ]------------ Voluntary context switch within RCU read-side critical section! WARNING: CPU: 0 PID: 3460 at kernel/rcu/tree_plugin.h:330 rcu_note_context_switch+0x354/0x49c kernel/rcu/tree_plugin.h:330 Modules linked in: CPU: 0 PID: 3460 Comm: syz-executor248 Not tainted 6.10.0-syzkaller-04472-g51835949dda3 #0 Hardware name: linux,dummy-virt (DT) pstate: 614000c9 (nZCv daIF +PAN -UAO -TCO +DIT -SSBS BTYPE=--) pc : rcu_note_context_switch+0x354/0x49c kernel/rcu/tree_plugin.h:330 lr : rcu_note_context_switch+0x354/0x49c kernel/rcu/tree_plugin.h:330 sp : ffff800089523d30 x29: ffff800089523d30 x28: f6f0000005d4a480 x27: 0000000000000000 x26: 0000000000000000 x25: f6f0000005d4a480 x24: ffff800082643318 x23: 0000000000000000 x22: f6f0000005d4a480 x21: fff000007f8d6240 x20: ffff80008261e040 x19: fff000007f8d7040 x18: fffffffffffcb658 x17: fff07ffffd2b9000 x16: ffff800080000000 x15: 0000000000000048 x14: fffffffffffcb6a0 x13: ffff80008266b0a8 x12: 000000000000088b x11: 00000000000002d9 x10: ffff80008271f500 x9 : ffff80008266b0a8 x8 : 00000000ffffdfff x7 : ffff80008271b0a8 x6 : 00000000000002d9 x5 : fff000007f8cbf48 x4 : 40000000ffffe2d9 x3 : fff07ffffd2b9000 x2 : 0000000000000000 x1 : 0000000000000000 x0 : f6f0000005d4a480 Call trace: rcu_note_context_switch+0x354/0x49c kernel/rcu/tree_plugin.h:330 __schedule+0xb0/0x850 kernel/sched/core.c:6417 __schedule_loop kernel/sched/core.c:6606 [inline] schedule+0x34/0x104 kernel/sched/core.c:6621 do_notify_resume+0xe4/0x164 arch/arm64/kernel/entry-common.c:136 exit_to_user_mode_prepare arch/arm64/kernel/entry-common.c:169 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:178 [inline] el0_interrupt+0xc4/0xc8 arch/arm64/kernel/entry-common.c:797 __el0_irq_handler_common+0x18/0x24 arch/arm64/kernel/entry-common.c:802 el0t_64_irq_handler+0x10/0x1c arch/arm64/kernel/entry-common.c:807 el0t_64_irq+0x19c/0x1a0 arch/arm64/kernel/entry.S:599 ---[ end trace 0000000000000000 ]---