000484062b22b29579a87e511", 0x24}], 0x1}, 0x0) [ 1089.668725][ T4592] netlink: 16 bytes leftover after parsing attributes in process `syz-executor.5'. [ 1089.715332][ T4615] netlink: 16 bytes leftover after parsing attributes in process `syz-executor.1'. 02:05:34 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="48000000100005e7ffffff000000000000000000", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r5, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000003c40)=ANY=[@ANYBLOB='H\x00\x00\x00,\x00\'\r\x00'/20, @ANYRES32=r5, @ANYBLOB="0000000000000000080000000a0001007273767036"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000007c0)=ANY=[@ANYBLOB="340000002e00298900000e000000000000000000", @ANYRES32=r5], 0x34}}, 0x0) 02:05:35 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000}, 0x10) [ 1089.859412][ T4624] input: syz1 as /devices/virtual/input/input59 02:05:35 executing program 1: r0 = socket$inet(0x10, 0x3, 0x6) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) r2 = dup(r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000180)='/dev/ptmx\x00', 0x2f606557d6081b8a, 0x0) ioctl$TCSETS(r3, 0x40045431, &(0x7f0000000280)={0x0, 0x2, 0x4, 0x4, 0xfd, "81530000000000004800000000000000000002"}) write$binfmt_aout(r3, &(0x7f0000000000)=ANY=[], 0x8d) ioctl$TCSETA(r3, 0x5406, &(0x7f00000004c0)={0xfff9, 0x0, 0x0, 0xbffa, 0x0, "078cf0251c0e00"}) r4 = syz_open_pts(r3, 0x218400) ioctl$TCSETSF(r4, 0x5412, &(0x7f0000000100)={0x25, 0x0, 0x0, 0x0, 0x0, "000000000000000000000010000000001000"}) openat$ptmx(0xffffffffffffff9c, &(0x7f0000000180)='/dev/ptmx\x00', 0x2f606557d6081b8a, 0x0) r5 = pidfd_getfd(r2, 0xffffffffffffffff, 0x0) r6 = socket(0x200000000000011, 0x3, 0x0) r7 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX(r7, 0x8933, &(0x7f00000003c0)={'netdevsim0\x00', 0x0}) bind$packet(r6, &(0x7f0000000000)={0x11, 0x0, r8, 0x1, 0x0, 0x6, @broadcast}, 0x14) getsockname$packet(r6, &(0x7f0000000500)={0x11, 0x0, 0x0}, &(0x7f0000000080)=0x14) bpf$MAP_CREATE(0x1000000000000, &(0x7f00000000c0)={0x2, 0x800000000000004, 0x400000, 0x5}, 0x40) ioctl$sock_ipv4_tunnel_SIOCADDTUNNEL(r5, 0x89f1, &(0x7f0000000000)={'gretap0\x00', &(0x7f0000000540)=ANY=[@ANYBLOB="69705f0000276fff83a645b5e92d0944517db3479aef7de69fae92a4d9b379731377a1fe2a9600533c941b6431828763c84db0cdc821e566aa615ebe6b4222c9e865c9964ba764", @ANYRES32=r9, @ANYBLOB="004000400000000300000008420d008800680000812f90780a010101ac1414bb004414414300000000000000077f000001000000030703340044244d13ac1414aa0000008e00000000000000037f00000100000005e00000010000010d014434eb41e0000002000003ffac1414aa00000007ac1414bb00000003ac141415000001017f0000010000000464010102000000800100"]}) sendmsg(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f00000001c0)=[{&(0x7f0000000400)="24000000250007031dfffd946fa2830020200a0009000000001d85680c1ba3a20400ff7e", 0x24}], 0x1}, 0x0) 02:05:35 executing program 4: r0 = gettid() r1 = creat(&(0x7f0000000280)='./file0\x00', 0xf1) r2 = dup(0xffffffffffffffff) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) setsockopt$XDP_UMEM_COMPLETION_RING(0xffffffffffffffff, 0x11b, 0x6, &(0x7f0000000000)=0x4, 0x4) prctl$PR_SET_PTRACER(0x59616d61, r0) perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x3, 0x0, 0x0, 0x3, 0x0, 0x50a, 0x2800, 0x0, 0x0, 0x0, 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, @perf_config_ext={0xffffffffffffeb00}, 0x0, 0x0, 0x0, 0x6, 0x0, 0x0, 0x40}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) close(r1) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) r4 = dup(r3) ioctl$PERF_EVENT_IOC_ENABLE(r4, 0x8912, 0x400200) setsockopt$bt_rfcomm_RFCOMM_LM(r4, 0x12, 0x3, &(0x7f0000000100)=0x41, 0x4) clone(0x2000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) execve(&(0x7f00000000c0)='./file0\x00', &(0x7f0000000840)=[&(0x7f0000000a80)='\xa11\xc2\x1fQ\x88\xebH\xe7\xcf/\x83\xb3+\xc5\xa0\xa6\xbf\x85\xf0;\xea\x8a\xd5b\xb0\xe7=\xf41\xf5\xb4\xb9\aPk\x94csn\x8bu\bHD\x06\f\xccU\x19\xaa\xe0\xed\x85\xb1%\xd8\x82\xaeW\x8764\x93\xb6`\x90\xb1\x1d\xd6\x91\x9a\xf5I:=\xd9\x98\t\x03\x13\xa4f\x13\xeb\x11\xd5\x17J]\x8b\xc18v\xfc\xa9\xcb|\xd4\x1a\x91\x81c\xeb\r|\xdbo\xa8?\xa8\x192\t\x10\x1bhGZ\xc0\xe7\xc3{b\xc0Z\xe5&\r\n\x858\x94V\x9f\xbah\x8f\x91\xa4\x8a\x90\xa7\x10\x85kYh\xb6\x0f\t0-\x9f@\xc2\xbbR.>\xc5;\xceJ\x14QJ0CrCP\x1e\xea\x8b\xc3z\xb8\x7f+\x94LV&\x8e\xce\xecA\xd6\x12#\xdb\x90\xf9\x9d\x03T\x89[G\xa8\xa4\xa9\xa7r\xd8x(\x9dv9\x16\x1dH=\x82?>-\x84R\x11\x94\x17\x01\x03\xc4\xa3\xb3?\xecyq\x86Y'], &(0x7f0000000140)=[&(0x7f0000000480)='\xa11\xc2\x1fQ\x88\xebH\xe7\xcf/\x83\xb3+\xc5\xa0\xa6\xbf\x85\xf0;\xea\x8a\xd5b\xb0\xe7=\xf41\xf5\xb4\xb9\aPk\x94csn\x8bu\bHD\x06\f\xccU\x19\xaa\xe0\xed\x85\xb1%\xd8\x82\xaeW\x8764\x93\xb6`\x90\xb1\x1d\xd6\x91\x9a\xf5I:=\xd9\x98\t\x03\x13\xa4f\x13\xeb\x11\xd5\x17J]\x8b\xc18v\xfc\xa9\xcb|\xd4\x1a\x91\x81c\xeb\r|\xdbo\xa8?\xa8\x192\t\x10\x1bhGZ\xc0\xe7\xc3{b\xc0Z\xe5&\r\n\x858\x94V\x9f\xbah\x8f\x91\xa4\x8a\x90\xa7\x10\x85kYh\xb6\x0f\t0-\x9f@\xc2\xbbR.>\xc5;\xceJ\x14QJ0CrCP\x1e\xea\x8b\xc3z\xb8\x7f+\x94LV&\x8e\xce\xecA\xd6\x12#\xdb\x90\xf9\x9d\x03T\x89[G\xa8\xa4\xa9\xa7r\xd8x(\x9dv9\x16\x1dH=\x82?>-\x84R\x11\x94\x17\x01\x03\xc4\xa3\xb3?\xecyq\x86Y', &(0x7f00000003c0)='[\xa3\xb60\xf8cmd5su\x00']) ptrace$setopts(0x4206, r0, 0x0, 0x0) 02:05:35 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='upperdir=./file1,lowerdir=./bus,workdir=./file0,metacopy=on']) link(&(0x7f0000000200)='./bus/file1\x00', &(0x7f00000002c0)='./bus/file0\x00') newfstatat(0xffffffffffffff9c, &(0x7f0000000040)='./bus/file0\x00', 0x0, 0x0) [ 1090.003436][ T4633] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 02:05:35 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe6"}, 0x3c) [ 1090.105051][ T4643] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 02:05:35 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe6"}, 0x3c) 02:05:35 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe6"}, 0x3c) [ 1090.455871][ T4647] netlink: 16 bytes leftover after parsing attributes in process `syz-executor.5'. 02:05:35 executing program 4: r0 = gettid() r1 = creat(&(0x7f0000000280)='./file0\x00', 0xf1) r2 = dup(0xffffffffffffffff) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) setsockopt$XDP_UMEM_COMPLETION_RING(0xffffffffffffffff, 0x11b, 0x6, &(0x7f0000000000)=0x4, 0x4) prctl$PR_SET_PTRACER(0x59616d61, r0) perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x3, 0x0, 0x0, 0x3, 0x0, 0x50a, 0x2800, 0x0, 0x0, 0x0, 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, @perf_config_ext={0xffffffffffffeb00}, 0x0, 0x0, 0x0, 0x6, 0x0, 0x0, 0x40}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) close(r1) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) r4 = dup(r3) ioctl$PERF_EVENT_IOC_ENABLE(r4, 0x8912, 0x400200) setsockopt$bt_rfcomm_RFCOMM_LM(r4, 0x12, 0x3, &(0x7f0000000100)=0x41, 0x4) clone(0x2000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) execve(&(0x7f00000000c0)='./file0\x00', &(0x7f0000000840)=[&(0x7f0000000a80)='\xa11\xc2\x1fQ\x88\xebH\xe7\xcf/\x83\xb3+\xc5\xa0\xa6\xbf\x85\xf0;\xea\x8a\xd5b\xb0\xe7=\xf41\xf5\xb4\xb9\aPk\x94csn\x8bu\bHD\x06\f\xccU\x19\xaa\xe0\xed\x85\xb1%\xd8\x82\xaeW\x8764\x93\xb6`\x90\xb1\x1d\xd6\x91\x9a\xf5I:=\xd9\x98\t\x03\x13\xa4f\x13\xeb\x11\xd5\x17J]\x8b\xc18v\xfc\xa9\xcb|\xd4\x1a\x91\x81c\xeb\r|\xdbo\xa8?\xa8\x192\t\x10\x1bhGZ\xc0\xe7\xc3{b\xc0Z\xe5&\r\n\x858\x94V\x9f\xbah\x8f\x91\xa4\x8a\x90\xa7\x10\x85kYh\xb6\x0f\t0-\x9f@\xc2\xbbR.>\xc5;\xceJ\x14QJ0CrCP\x1e\xea\x8b\xc3z\xb8\x7f+\x94LV&\x8e\xce\xecA\xd6\x12#\xdb\x90\xf9\x9d\x03T\x89[G\xa8\xa4\xa9\xa7r\xd8x(\x9dv9\x16\x1dH=\x82?>-\x84R\x11\x94\x17\x01\x03\xc4\xa3\xb3?\xecyq\x86Y'], &(0x7f0000000140)=[&(0x7f0000000480)='\xa11\xc2\x1fQ\x88\xebH\xe7\xcf/\x83\xb3+\xc5\xa0\xa6\xbf\x85\xf0;\xea\x8a\xd5b\xb0\xe7=\xf41\xf5\xb4\xb9\aPk\x94csn\x8bu\bHD\x06\f\xccU\x19\xaa\xe0\xed\x85\xb1%\xd8\x82\xaeW\x8764\x93\xb6`\x90\xb1\x1d\xd6\x91\x9a\xf5I:=\xd9\x98\t\x03\x13\xa4f\x13\xeb\x11\xd5\x17J]\x8b\xc18v\xfc\xa9\xcb|\xd4\x1a\x91\x81c\xeb\r|\xdbo\xa8?\xa8\x192\t\x10\x1bhGZ\xc0\xe7\xc3{b\xc0Z\xe5&\r\n\x858\x94V\x9f\xbah\x8f\x91\xa4\x8a\x90\xa7\x10\x85kYh\xb6\x0f\t0-\x9f@\xc2\xbbR.>\xc5;\xceJ\x14QJ0CrCP\x1e\xea\x8b\xc3z\xb8\x7f+\x94LV&\x8e\xce\xecA\xd6\x12#\xdb\x90\xf9\x9d\x03T\x89[G\xa8\xa4\xa9\xa7r\xd8x(\x9dv9\x16\x1dH=\x82?>-\x84R\x11\x94\x17\x01\x03\xc4\xa3\xb3?\xecyq\x86Y', &(0x7f00000003c0)='[\xa3\xb60\xf8cmd5su\x00']) ptrace$setopts(0x4206, r0, 0x0, 0x0) 02:05:35 executing program 1: r0 = socket$inet(0x10, 0x3, 0x6) sendmsg(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f00000001c0)=[{&(0x7f0000000400)="24000000250007031dfffd946fa2830020200a0009000000001d85680c1ba3a20400ff7e", 0x24}], 0x1}, 0x0) r1 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000000)='/proc/key-users\x00', 0x0, 0x0) ioctl$VIDIOC_S_EXT_CTRLS(r1, 0xc0205648, &(0x7f0000000140)={0x9e0000, 0xf7, 0x0, 0xffffffffffffffff, 0x0, &(0x7f0000000100)={0x98090b, 0x6, [], @p_u8=&(0x7f00000000c0)=0x1f}}) tkill(0x0, 0x40) ptrace$setregs(0xd, 0x0, 0x0, &(0x7f0000000080)) ptrace$cont(0x7, 0x0, 0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000800)='limits\x00') ioctl$TIOCNXCL(r2, 0x540d) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) r4 = dup(r3) ioctl$PERF_EVENT_IOC_ENABLE(r4, 0x8912, 0x400200) r5 = socket(0x200000000000011, 0x3, 0x0) r6 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX(r6, 0x8933, &(0x7f00000003c0)={'netdevsim0\x00', 0x0}) bind$packet(r5, &(0x7f0000000000)={0x11, 0x0, r7}, 0x14) getsockname$packet(r5, &(0x7f0000000500)={0x11, 0x0, 0x0}, &(0x7f0000000080)=0x14) bpf$MAP_CREATE(0x1000000000000, &(0x7f00000000c0)={0x2, 0x800000000000004, 0x400000, 0x1, 0x0, 0xffffffffffffffff, 0x0, [], r8}, 0x40) sendmsg$kcm(r4, &(0x7f00000007c0)={&(0x7f0000000200)=@can={0x1d, r8}, 0x80, &(0x7f00000005c0)=[{&(0x7f0000000280)="0ec59a9556f063df2bd2a621b07c58ae7333c9b5c589346a803eb30c6806b5ce2e67ab611981c1fe8ce60bde3943cfe95d3fbc2baeae9d762a89d76ccf22f5ddf610a5c7731c714f1d81469e46abb10b1746af3ec4a49ea508cfb7bf6b69011db89ba13ba5940f18fb173cce4ff377f7b65e7680782e746e5814e8d6798008925aac97f1627a82a09615187f355d54a2d9f2f428d1fa1bfa88ced732eac2dcbfec31e59f7fde3d1679757a5dc800fafc944bd41f1452f8b181b244d2fdd7824c4fcd8616e00c58eedb25368a1f5c027d", 0xd0}, {&(0x7f0000000180)="edab0aa6db62b71f3bbd5ceb0c587108eee063bfa81a9731c88ca6240d52b87f6c0a29c50e65e80ba249de", 0x2b}, {&(0x7f0000000380)="92355c7254151126fc58736b1c65aef902d455e29b1ad5568b75fdc8d44ac2e5faaa38ea6b146ef314bbfd82008051ade4d856b6f9a1fa86631f61c2bf3e7816e64ef3632eb3c4874abdaff33d55f5a2f764dc3e675bb622a6e9", 0x5a}, {&(0x7f0000000440)="d935010bf6e05e9a777b05595f67aa35085167e8ad880952c62a3abc14f272c5b75aae0928dd3d96c17cbc06001a07ad8aa7cf49cdee9f818e486dc563177cfaaef23f214b1712caa1637801b770333e8cf970670eaf", 0x56}, {&(0x7f00000004c0)="d636e33234ca34fd557c", 0xa}, {&(0x7f0000000500)="7d7a160526b4f7e3f93d60366547440e39de7a535cbf501449eb5d9e4b126c5dcd1c3b3b8fb9213fde2173baf0efcf7ae5edd7afe5da373091c8eaa4f4f249065d4c8bf7e52ba78f00aab1dcf91861dcdaa2408ec6535ad67abe33eca55d7d305bb78cd2497a1f7338bfb38470a4123e7e103d458935563851cdb8e23ce15aade1f977768323414dd2e290d57de78f", 0x8f}], 0x6, &(0x7f0000000640)=ANY=[@ANYBLOB="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"], 0x178}, 0x4) ioctl$EVIOCGPHYS(r1, 0x80404507, &(0x7f0000000040)=""/38) 02:05:35 executing program 2: r0 = gettid() r1 = creat(&(0x7f0000000280)='./file0\x00', 0xf1) r2 = dup(0xffffffffffffffff) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) setsockopt$XDP_UMEM_COMPLETION_RING(0xffffffffffffffff, 0x11b, 0x6, &(0x7f0000000000)=0x4, 0x4) prctl$PR_SET_PTRACER(0x59616d61, r0) r3 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x50a, 0x0, 0x0, 0x0, 0x0, 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, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r4 = gettid() ptrace$setopts(0x4206, r4, 0x0, 0x0) tkill(0x0, 0x39) ptrace$setregs(0xd, r4, 0x0, &(0x7f0000000080)) ptrace$cont(0x7, r4, 0x0, 0x0) r5 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r5, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setresuid(0x0, r6, 0x0) sendmmsg$unix(r2, &(0x7f0000000940)=[{&(0x7f0000000180)=@abs={0x0, 0x0, 0x4e20}, 0x6e, &(0x7f0000000400)=[{&(0x7f0000000100)="78b414e6e4c0fb590c492df585ffe310b606c6783d895b7cf726b0fed279d63a6febae41c9282efa8f504a607aaad5319c7794e2d0718000bea53e793b5cd54b", 0x40}, {&(0x7f0000000200)="c8abad02fadef394059993a6cba53ba2564853951d311d88b14e80d48d19addbe83bc691b57c4700478eeb6afddb7f314647686c4c49d52d779e2db44c47207a42514842896774f15090c33bc3e31682a35c06c71f6d3a1c957bce4157fc8c514df8ea9b60199bcf5325d3a0c80cb82464352b27", 0x74}, {&(0x7f00000002c0)="73479135d38f53769daf6c128de163e6606cf60a3b20903662a8f09a71ff8fdbf35cfbf0c531dd4f4a9484a9eb74415e4e82f5bef9e28f5ecf73f355c15fa92125fa2a20140d97066c61febd2b4cea63b3671c", 0x53}, {&(0x7f0000000340)="2896786ee65838591bbfd352a317b26481b1c4", 0x13}, {&(0x7f0000000380)="9b00e56d155b605095904fb554fa752323677a8fbc357777e2570b48d015b3de741fccdd78fa87ab3b77537a6e53fd98ab5214c5a996ac43f01a61dc939fc73e", 0x40}], 0x5, &(0x7f0000000b80)=[@rights={{0x2c, 0x1, 0x1, [0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff]}}, @cred={{0x1c, 0x1, 0x2, {r0}}}, @cred={{0x1c}}, @rights={{0x1c, 0x1, 0x1, [0xffffffffffffffff, r3, 0xffffffffffffffff]}}, @rights={{0x1c, 0x1, 0x1, [r3, 0xffffffffffffffff, 0xffffffffffffffff]}}, @rights={{0x34, 0x1, 0x1, [r1, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, r2, 0xffffffffffffffff, r3, 0xffffffffffffffff, 0xffffffffffffffff]}}, @rights={{0x28, 0x1, 0x1, [0xffffffffffffffff, 0xffffffffffffffff, r1, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff]}}, @cred={{0x1c}}, @cred={{0x1c, 0x1, 0x2, {r4, r6}}}], 0x150, 0x804}], 0x1, 0x80) close(r1) clone(0x2000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) execve(&(0x7f00000000c0)='./file0\x00', &(0x7f0000000840)=[&(0x7f0000000a80)='\xa11\xc2\x1fQ\x88\xebH\xe7\xcf/\x83\xb3+\xc5\xa0\xa6\xbf\x85\xf0;\xea\x8a\xd5b\xb0\xe7=\xf41\xf5\xb4\xb9\aPk\x94csn\x8bu\bHD\x06\f\xccU\x19\xaa\xe0\xed\x85\xb1%\xd8\x82\xaeW\x8764\x93\xb6`\x90\xb1\x1d\xd6\x91\x9a\xf5I:=\xd9\x98\t\x03\x13\xa4f\x13\xeb\x11\xd5\x17J]\x8b\xc18v\xfc\xa9\xcb|\xd4\x1a\x91\x81c\xeb\r|\xdbo\xa8?\xa8\x192\t\x10\x1bhGZ\xc0\xe7\xc3{b\xc0Z\xe5&\r\n\x858\x94V\x9f\xbah\x8f\x91\xa4\x8a\x90\xa7\x10\x85kYh\xb6\x0f\t0-\x9f@\xc2\xbbR.>\xc5;\xceJ\x14QJ0CrCP\x1e\xea\x8b\xc3z\xb8\x7f+\x94LV&\x8e\xce\xecA\xd6\x12#\xdb\x90\xf9\x9d\x03T\x89[G\xa8\xa4\xa9\xa7r\xd8x(\x9dv9\x16\x1dH=\x82?>-\x84R\x11\x94\x17\x01\x03\xc4\xa3\xb3?\xecyq\x86Y'], &(0x7f0000000140)=[&(0x7f0000000480)='\xa11\xc2\x1fQ\x88\xebH\xe7\xcf/\x83\xb3+\xc5\xa0\xa6\xbf\x85\xf0;\xea\x8a\xd5b\xb0\xe7=\xf41\xf5\xb4\xb9\aPk\x94csn\x8bu\bHD\x06\f\xccU\x19\xaa\xe0\xed\x85\xb1%\xd8\x82\xaeW\x8764\x93\xb6`\x90\xb1\x1d\xd6\x91\x9a\xf5I:=\xd9\x98\t\x03\x13\xa4f\x13\xeb\x11\xd5\x17J]\x8b\xc18v\xfc\xa9\xcb|\xd4\x1a\x91\x81c\xeb\r|\xdbo\xa8?\xa8\x192\t\x10\x1bhGZ\xc0\xe7\xc3{b\xc0Z\xe5&\r\n\x858\x94V\x9f\xbah\x8f\x91\xa4\x8a\x90\xa7\x10\x85kYh\xb6\x0f\t0-\x9f@\xc2\xbbR.>\xc5;\xceJ\x14QJ0CrCP\x1e\xea\x8b\xc3z\xb8\x7f+\x94LV&\x8e\xce\xecA\xd6\x12#\xdb\x90\xf9\x9d\x03T\x89[G\xa8\xa4\xa9\xa7r\xd8x(\x9dv9\x16\x1dH=\x82?>-\x84R\x11\x94\x17\x01\x03\xc4\xa3\xb3?\xecyq\x86Y', &(0x7f00000003c0)='[\xa3\xb60\xf8cmd5su\x00']) ptrace$setopts(0x4206, r0, 0x0, 0x0) 02:05:35 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='upperdir=./file1,lowerdir=./bus,workdir=./file0,metacopy=on']) link(&(0x7f0000000200)='./bus/file1\x00', &(0x7f00000002c0)='./bus/file0\x00') newfstatat(0xffffffffffffff9c, &(0x7f0000000040)='./bus/file0\x00', 0x0, 0x0) 02:05:35 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a"}, 0x52) 02:05:35 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="48000000100005e7ffffff000000000000000000", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r5, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000003c40)=ANY=[@ANYBLOB='H\x00\x00\x00,\x00\'\r\x00'/20, @ANYRES32=r5, @ANYBLOB="0000000000000000080000000a0001007273767036"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000007c0)=ANY=[@ANYBLOB="340000002e00298900000f000000000000000000", @ANYRES32=r5], 0x34}}, 0x0) 02:05:35 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a"}, 0x52) 02:05:36 executing program 1: r0 = socket$inet(0x10, 0x3, 0x6) sendmsg(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f00000001c0)=[{&(0x7f0000000400)="24000000250007031dfffd946fa2830020200a0009000000001d85680c1ba3a20400ff7e", 0x24}], 0x1}, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) r2 = dup(r1) r3 = dup(0xffffffffffffffff) ioctl$PERF_EVENT_IOC_ENABLE(r3, 0x8912, 0x400200) ioctl$TUNSETIFF(r3, 0x400454ca, &(0x7f0000000280)={'macsec0\x00', 0x100}) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r4 = socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000100)='nl80211\x00') sendmsg$NL80211_CMD_STOP_SCHED_SCAN(r4, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000440)=ANY=[@ANYBLOB="1e000000", @ANYRES16=r5, @ANYBLOB="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"], 0x20}, 0x1, 0x0, 0x0, 0x24000880}, 0x240040c4) r6 = socket(0x200000000000011, 0x3, 0x0) r7 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX(r7, 0x8933, &(0x7f00000003c0)={'netdevsim0\x00', 0x0}) bind$packet(r6, &(0x7f0000000000)={0x11, 0x0, r8}, 0x14) getsockname$packet(0xffffffffffffffff, &(0x7f0000000300)={0x11, 0x0, 0x0}, &(0x7f0000000080)=0x14) bpf$MAP_CREATE(0x1000000000000, &(0x7f00000000c0)={0x2, 0x800000000000004, 0x400000, 0x1, 0x0, 0xffffffffffffffff, 0x0, [], r9}, 0x40) sendmsg$NL80211_CMD_DEL_INTERFACE(r2, &(0x7f0000000240)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000200)={&(0x7f0000000340)=ANY=[@ANYBLOB=',\x00\x00\x00', @ANYRES16=r5, @ANYBLOB="080029bd7000fddbdf250800000008000300", @ANYRES32=r9, @ANYBLOB="08000100010000000800050004008ca66d3ce0d666b6c7d67c54100000"], 0x2c}, 0x1, 0x0, 0x0, 0x20044884}, 0x0) r10 = openat$autofs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/autofs\x00', 0x145142, 0x0) bpf$MAP_GET_NEXT_KEY(0x4, &(0x7f0000000100)={r10, &(0x7f0000000040)="5d009e75b411599f1693ac1003b7483e2d", &(0x7f00000000c0)=""/26}, 0x20) 02:05:36 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='upperdir=./file1,lowerdir=./bus,workdir=./file0,metacopy=on']) link(&(0x7f0000000200)='./bus/file1\x00', &(0x7f00000002c0)='./bus/file0\x00') newfstatat(0xffffffffffffff9c, &(0x7f0000000040)='./bus/file0\x00', 0x0, 0x0) 02:05:36 executing program 2: r0 = socket$inet(0x10, 0x3, 0x6) sendmsg(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f00000001c0)=[{&(0x7f0000000400)="24000000250007031dfffd946fa2830020200a0009000000001d85680c1ba3a20400ff7e", 0x24}], 0x1}, 0x0) r1 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000000)='/proc/key-users\x00', 0x0, 0x0) ioctl$VIDIOC_S_EXT_CTRLS(r1, 0xc0205648, &(0x7f0000000140)={0x9e0000, 0xf7, 0x0, 0xffffffffffffffff, 0x0, &(0x7f0000000100)={0x98090b, 0x6, [], @p_u8=&(0x7f00000000c0)=0x1f}}) tkill(0x0, 0x40) ptrace$setregs(0xd, 0x0, 0x0, &(0x7f0000000080)) ptrace$cont(0x7, 0x0, 0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000800)='limits\x00') ioctl$TIOCNXCL(r2, 0x540d) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) r4 = dup(r3) ioctl$PERF_EVENT_IOC_ENABLE(r4, 0x8912, 0x400200) r5 = socket(0x200000000000011, 0x3, 0x0) r6 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX(r6, 0x8933, &(0x7f00000003c0)={'netdevsim0\x00', 0x0}) bind$packet(r5, &(0x7f0000000000)={0x11, 0x0, r7}, 0x14) getsockname$packet(r5, &(0x7f0000000500)={0x11, 0x0, 0x0}, &(0x7f0000000080)=0x14) bpf$MAP_CREATE(0x1000000000000, &(0x7f00000000c0)={0x2, 0x800000000000004, 0x400000, 0x1, 0x0, 0xffffffffffffffff, 0x0, [], r8}, 0x40) sendmsg$kcm(r4, &(0x7f00000007c0)={&(0x7f0000000200)=@can={0x1d, r8}, 0x80, &(0x7f00000005c0)=[{&(0x7f0000000280)="0ec59a9556f063df2bd2a621b07c58ae7333c9b5c589346a803eb30c6806b5ce2e67ab611981c1fe8ce60bde3943cfe95d3fbc2baeae9d762a89d76ccf22f5ddf610a5c7731c714f1d81469e46abb10b1746af3ec4a49ea508cfb7bf6b69011db89ba13ba5940f18fb173cce4ff377f7b65e7680782e746e5814e8d6798008925aac97f1627a82a09615187f355d54a2d9f2f428d1fa1bfa88ced732eac2dcbfec31e59f7fde3d1679757a5dc800fafc944bd41f1452f8b181b244d2fdd7824c4fcd8616e00c58eedb25368a1f5c027d", 0xd0}, {&(0x7f0000000180)="edab0aa6db62b71f3bbd5ceb0c587108eee063bfa81a9731c88ca6240d52b87f6c0a29c50e65e80ba249de", 0x2b}, {&(0x7f0000000380)="92355c7254151126fc58736b1c65aef902d455e29b1ad5568b75fdc8d44ac2e5faaa38ea6b146ef314bbfd82008051ade4d856b6f9a1fa86631f61c2bf3e7816e64ef3632eb3c4874abdaff33d55f5a2f764dc3e675bb622a6e9", 0x5a}, {&(0x7f0000000440)="d935010bf6e05e9a777b05595f67aa35085167e8ad880952c62a3abc14f272c5b75aae0928dd3d96c17cbc06001a07ad8aa7cf49cdee9f818e486dc563177cfaaef23f214b1712caa1637801b770333e8cf970670eaf", 0x56}, {&(0x7f00000004c0)="d636e33234ca34fd557c", 0xa}, {&(0x7f0000000500)="7d7a160526b4f7e3f93d60366547440e39de7a535cbf501449eb5d9e4b126c5dcd1c3b3b8fb9213fde2173baf0efcf7ae5edd7afe5da373091c8eaa4f4f249065d4c8bf7e52ba78f00aab1dcf91861dcdaa2408ec6535ad67abe33eca55d7d305bb78cd2497a1f7338bfb38470a4123e7e103d458935563851cdb8e23ce15aade1f977768323414dd2e290d57de78f", 0x8f}], 0x6, &(0x7f0000000640)=ANY=[@ANYBLOB="67fcffffffffffff02010000feffffff3d8cbacda1468789c9c799dd59054c68cbc0bc6a9305f7b9b865c76e5f0436b81249c609cb515311469b4e3542af149a6a34d68cda0ceb069472d03cfc8a81b77410410b11d0acc9b464aac22e05c639ee5f10bbb070a93230c123da345c459512a3b344a52005ed73b28127422cb4b3f3cbb4bdf1e86e190e8a706302cfbae3fc39a788bc7e1169743e85729d8d3691403a3e57e816c30966eb0b02bae160ebd68f4f58230351245f37ff318bc47fefc9125e5955fd0daa29fe000000000000a80000000000000002010000000000801bb4fdde79327c3b2c83d04a293b0193ef8968b6ddcf24cb0cf57993f2a13db958ddbafee2df75280a9abb4d65d6a608dc5e8fc68a2cd878eb68b24301a0db8c10977e3792c7e1d507658f926f55e8779d12fec78f6e281beb471303ab287e02f80c75b6e8c8eeb1b11a9069ffc0abc6d7b631a75d0d74bac5fbe95e98053f9f9436c444650d91f12d781c504ea867c8f200000000000000"], 0x178}, 0x4) ioctl$EVIOCGPHYS(r1, 0x80404507, &(0x7f0000000040)=""/38) 02:05:36 executing program 4: r0 = gettid() r1 = creat(&(0x7f0000000280)='./file0\x00', 0xf1) r2 = dup(0xffffffffffffffff) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) setsockopt$XDP_UMEM_COMPLETION_RING(0xffffffffffffffff, 0x11b, 0x6, &(0x7f0000000000)=0x4, 0x4) prctl$PR_SET_PTRACER(0x59616d61, r0) perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x3, 0x0, 0x0, 0x3, 0x0, 0x50a, 0x2800, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext={0xffffffffffffeb00}, 0x0, 0x0, 0x0, 0x6, 0x0, 0x0, 0x40}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) close(r1) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) r4 = dup(r3) ioctl$PERF_EVENT_IOC_ENABLE(r4, 0x8912, 0x400200) setsockopt$bt_rfcomm_RFCOMM_LM(r4, 0x12, 0x3, &(0x7f0000000100)=0x41, 0x4) clone(0x2000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) execve(&(0x7f00000000c0)='./file0\x00', &(0x7f0000000840)=[&(0x7f0000000a80)='\xa11\xc2\x1fQ\x88\xebH\xe7\xcf/\x83\xb3+\xc5\xa0\xa6\xbf\x85\xf0;\xea\x8a\xd5b\xb0\xe7=\xf41\xf5\xb4\xb9\aPk\x94csn\x8bu\bHD\x06\f\xccU\x19\xaa\xe0\xed\x85\xb1%\xd8\x82\xaeW\x8764\x93\xb6`\x90\xb1\x1d\xd6\x91\x9a\xf5I:=\xd9\x98\t\x03\x13\xa4f\x13\xeb\x11\xd5\x17J]\x8b\xc18v\xfc\xa9\xcb|\xd4\x1a\x91\x81c\xeb\r|\xdbo\xa8?\xa8\x192\t\x10\x1bhGZ\xc0\xe7\xc3{b\xc0Z\xe5&\r\n\x858\x94V\x9f\xbah\x8f\x91\xa4\x8a\x90\xa7\x10\x85kYh\xb6\x0f\t0-\x9f@\xc2\xbbR.>\xc5;\xceJ\x14QJ0CrCP\x1e\xea\x8b\xc3z\xb8\x7f+\x94LV&\x8e\xce\xecA\xd6\x12#\xdb\x90\xf9\x9d\x03T\x89[G\xa8\xa4\xa9\xa7r\xd8x(\x9dv9\x16\x1dH=\x82?>-\x84R\x11\x94\x17\x01\x03\xc4\xa3\xb3?\xecyq\x86Y'], &(0x7f0000000140)=[&(0x7f0000000480)='\xa11\xc2\x1fQ\x88\xebH\xe7\xcf/\x83\xb3+\xc5\xa0\xa6\xbf\x85\xf0;\xea\x8a\xd5b\xb0\xe7=\xf41\xf5\xb4\xb9\aPk\x94csn\x8bu\bHD\x06\f\xccU\x19\xaa\xe0\xed\x85\xb1%\xd8\x82\xaeW\x8764\x93\xb6`\x90\xb1\x1d\xd6\x91\x9a\xf5I:=\xd9\x98\t\x03\x13\xa4f\x13\xeb\x11\xd5\x17J]\x8b\xc18v\xfc\xa9\xcb|\xd4\x1a\x91\x81c\xeb\r|\xdbo\xa8?\xa8\x192\t\x10\x1bhGZ\xc0\xe7\xc3{b\xc0Z\xe5&\r\n\x858\x94V\x9f\xbah\x8f\x91\xa4\x8a\x90\xa7\x10\x85kYh\xb6\x0f\t0-\x9f@\xc2\xbbR.>\xc5;\xceJ\x14QJ0CrCP\x1e\xea\x8b\xc3z\xb8\x7f+\x94LV&\x8e\xce\xecA\xd6\x12#\xdb\x90\xf9\x9d\x03T\x89[G\xa8\xa4\xa9\xa7r\xd8x(\x9dv9\x16\x1dH=\x82?>-\x84R\x11\x94\x17\x01\x03\xc4\xa3\xb3?\xecyq\x86Y', &(0x7f00000003c0)='[\xa3\xb60\xf8cmd5su\x00']) ptrace$setopts(0x4206, r0, 0x0, 0x0) 02:05:36 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a"}, 0x52) 02:05:36 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="48000000100005e7ffffff000000000000000000", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r5, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000003c40)=ANY=[@ANYBLOB='H\x00\x00\x00,\x00\'\r\x00'/20, @ANYRES32=r5, @ANYBLOB="0000000000000000080000000a0001007273767036"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000007c0)=ANY=[@ANYBLOB="340000002e002989000010000000000000000000", @ANYRES32=r5], 0x34}}, 0x0) 02:05:36 executing program 1: r0 = socket$inet(0x10, 0x3, 0x6) r1 = getpgid(0x0) fcntl$lock(r0, 0xfbb25c866df35e5f, &(0x7f0000000040)={0x1, 0x2, 0xffffffff, 0x1ff, r1}) sendmsg(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f00000001c0)=[{&(0x7f0000000400)="24000000250007031dfffd946fa2830020200a0009000000001d85680c1ba3a20400ff7e", 0x24}], 0x1}, 0x0) socket$phonet(0x23, 0x2, 0x1) 02:05:36 executing program 3: mkdir(&(0x7f0000000300)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='upperdir=./file1,lowerdir=./bus,workdir=./file0,metacopy=on']) link(&(0x7f0000000200)='./bus/file1\x00', &(0x7f00000002c0)='./bus/file0\x00') newfstatat(0xffffffffffffff9c, &(0x7f0000000040)='./bus/file0\x00', 0x0, 0x0) 02:05:36 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b4639"}, 0x5d) 02:05:36 executing program 2: r0 = socket$inet(0x10, 0x3, 0x6) sendmsg(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f00000001c0)=[{&(0x7f0000000400)="24000000250007031dfffd946fa2830020200a0009000000001d85680c1ba3a20400ff7e", 0x24}], 0x1}, 0x0) r1 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000000)='/proc/key-users\x00', 0x0, 0x0) ioctl$VIDIOC_S_EXT_CTRLS(r1, 0xc0205648, &(0x7f0000000140)={0x9e0000, 0xf7, 0x0, 0xffffffffffffffff, 0x0, &(0x7f0000000100)={0x98090b, 0x6, [], @p_u8=&(0x7f00000000c0)=0x1f}}) tkill(0x0, 0x40) ptrace$setregs(0xd, 0x0, 0x0, &(0x7f0000000080)) ptrace$cont(0x7, 0x0, 0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000800)='limits\x00') ioctl$TIOCNXCL(r2, 0x540d) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) r4 = dup(r3) ioctl$PERF_EVENT_IOC_ENABLE(r4, 0x8912, 0x400200) r5 = socket(0x200000000000011, 0x3, 0x0) r6 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX(r6, 0x8933, &(0x7f00000003c0)={'netdevsim0\x00', 0x0}) bind$packet(r5, &(0x7f0000000000)={0x11, 0x0, r7}, 0x14) getsockname$packet(r5, &(0x7f0000000500)={0x11, 0x0, 0x0}, &(0x7f0000000080)=0x14) bpf$MAP_CREATE(0x1000000000000, &(0x7f00000000c0)={0x2, 0x800000000000004, 0x400000, 0x1, 0x0, 0xffffffffffffffff, 0x0, [], r8}, 0x40) sendmsg$kcm(r4, &(0x7f00000007c0)={&(0x7f0000000200)=@can={0x1d, r8}, 0x80, &(0x7f00000005c0)=[{&(0x7f0000000280)="0ec59a9556f063df2bd2a621b07c58ae7333c9b5c589346a803eb30c6806b5ce2e67ab611981c1fe8ce60bde3943cfe95d3fbc2baeae9d762a89d76ccf22f5ddf610a5c7731c714f1d81469e46abb10b1746af3ec4a49ea508cfb7bf6b69011db89ba13ba5940f18fb173cce4ff377f7b65e7680782e746e5814e8d6798008925aac97f1627a82a09615187f355d54a2d9f2f428d1fa1bfa88ced732eac2dcbfec31e59f7fde3d1679757a5dc800fafc944bd41f1452f8b181b244d2fdd7824c4fcd8616e00c58eedb25368a1f5c027d", 0xd0}, {&(0x7f0000000180)="edab0aa6db62b71f3bbd5ceb0c587108eee063bfa81a9731c88ca6240d52b87f6c0a29c50e65e80ba249de", 0x2b}, {&(0x7f0000000380)="92355c7254151126fc58736b1c65aef902d455e29b1ad5568b75fdc8d44ac2e5faaa38ea6b146ef314bbfd82008051ade4d856b6f9a1fa86631f61c2bf3e7816e64ef3632eb3c4874abdaff33d55f5a2f764dc3e675bb622a6e9", 0x5a}, {&(0x7f0000000440)="d935010bf6e05e9a777b05595f67aa35085167e8ad880952c62a3abc14f272c5b75aae0928dd3d96c17cbc06001a07ad8aa7cf49cdee9f818e486dc563177cfaaef23f214b1712caa1637801b770333e8cf970670eaf", 0x56}, {&(0x7f00000004c0)="d636e33234ca34fd557c", 0xa}, {&(0x7f0000000500)="7d7a160526b4f7e3f93d60366547440e39de7a535cbf501449eb5d9e4b126c5dcd1c3b3b8fb9213fde2173baf0efcf7ae5edd7afe5da373091c8eaa4f4f249065d4c8bf7e52ba78f00aab1dcf91861dcdaa2408ec6535ad67abe33eca55d7d305bb78cd2497a1f7338bfb38470a4123e7e103d458935563851cdb8e23ce15aade1f977768323414dd2e290d57de78f", 0x8f}], 0x6, &(0x7f0000000640)=ANY=[@ANYBLOB="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"], 0x178}, 0x4) ioctl$EVIOCGPHYS(r1, 0x80404507, &(0x7f0000000040)=""/38) 02:05:36 executing program 4: r0 = gettid() r1 = creat(&(0x7f0000000280)='./file0\x00', 0xf1) r2 = dup(0xffffffffffffffff) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) setsockopt$XDP_UMEM_COMPLETION_RING(0xffffffffffffffff, 0x11b, 0x6, &(0x7f0000000000)=0x4, 0x4) prctl$PR_SET_PTRACER(0x59616d61, r0) perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x50a, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x7}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) close(r1) clone(0x2000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) execve(&(0x7f00000000c0)='./file0\x00', &(0x7f0000000840)=[&(0x7f0000000a80)='\xa11\xc2\x1fQ\x88\xebH\xe7\xcf/\x83\xb3+\xc5\xa0\xa6\xbf\x85\xf0;\xea\x8a\xd5b\xb0\xe7=\xf41\xf5\xb4\xb9\aPk\x94csn\x8bu\bHD\x06\f\xccU\x19\xaa\xe0\xed\x85\xb1%\xd8\x82\xaeW\x8764\x93\xb6`\x90\xb1\x1d\xd6\x91\x9a\xf5I:=\xd9\x98\t\x03\x13\xa4f\x13\xeb\x11\xd5\x17J]\x8b\xc18v\xfc\xa9\xcb|\xd4\x1a\x91\x81c\xeb\r|\xdbo\xa8?\xa8\x192\t\x10\x1bhGZ\xc0\xe7\xc3{b\xc0Z\xe5&\r\n\x858\x94V\x9f\xbah\x8f\x91\xa4\x8a\x90\xa7\x10\x85kYh\xb6\x0f\t0-\x9f@\xc2\xbbR.>\xc5;\xceJ\x14QJ0CrCP\x1e\xea\x8b\xc3z\xb8\x7f+\x94LV&\x8e\xce\xecA\xd6\x12#\xdb\x90\xf9\x9d\x03T\x89[G\xa8\xa4\xa9\xa7r\xd8x(\x9dv9\x16\x1dH=\x82?>-\x84R\x11\x94\x17\x01\x03\xc4\xa3\xb3?\xecyq\x86Y'], &(0x7f0000000140)=[&(0x7f0000000480)='\xa11\xc2\x1fQ\x88\xebH\xe7\xcf/\x83\xb3+\xc5\xa0\xa6\xbf\x85\xf0;\xea\x8a\xd5b\xb0\xe7=\xf41\xf5\xb4\xb9\aPk\x94csn\x8bu\bHD\x06\f\xccU\x19\xaa\xe0\xed\x85\xb1%\xd8\x82\xaeW\x8764\x93\xb6`\x90\xb1\x1d\xd6\x91\x9a\xf5I:=\xd9\x98\t\x03\x13\xa4f\x13\xeb\x11\xd5\x17J]\x8b\xc18v\xfc\xa9\xcb|\xd4\x1a\x91\x81c\xeb\r|\xdbo\xa8?\xa8\x192\t\x10\x1bhGZ\xc0\xe7\xc3{b\xc0Z\xe5&\r\n\x858\x94V\x9f\xbah\x8f\x91\xa4\x8a\x90\xa7\x10\x85kYh\xb6\x0f\t0-\x9f@\xc2\xbbR.>\xc5;\xceJ\x14QJ0CrCP\x1e\xea\x8b\xc3z\xb8\x7f+\x94LV&\x8e\xce\xecA\xd6\x12#\xdb\x90\xf9\x9d\x03T\x89[G\xa8\xa4\xa9\xa7r\xd8x(\x9dv9\x16\x1dH=\x82?>-\x84R\x11\x94\x17\x01\x03\xc4\xa3\xb3?\xecyq\x86Y', &(0x7f00000003c0)='[\xa3\xb60\xf8cmd5su\x00']) ptrace$setopts(0x4206, r0, 0x0, 0x0) 02:05:36 executing program 1: r0 = gettid() ptrace$setopts(0x4206, r0, 0x0, 0x0) tkill(r0, 0x40) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x7, r0, 0x0, 0x0) ptrace$poke(0x4, r0, &(0x7f0000000000), 0x4) r1 = socket$inet(0x10, 0x3, 0x6) sendmsg(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f00000001c0)=[{&(0x7f0000000400)="24000000250007031dfffd946fa2830020200a0009000000001d85680c1ba3a20400ff7e", 0x24}], 0x1}, 0x0) [ 1091.382374][ T4733] overlayfs: failed to resolve './file1': -2 02:05:36 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b4639"}, 0x5d) 02:05:36 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="48000000100005e7ffffff000000000000000000", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r5, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000003c40)=ANY=[@ANYBLOB='H\x00\x00\x00,\x00\'\r\x00'/20, @ANYRES32=r5, @ANYBLOB="0000000000000000080000000a0001007273767036"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000007c0)=ANY=[@ANYBLOB="340000002e002989000048000000000000000000", @ANYRES32=r5], 0x34}}, 0x0) 02:05:36 executing program 3: mkdir(&(0x7f0000000300)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='upperdir=./file1,lowerdir=./bus,workdir=./file0,metacopy=on']) link(&(0x7f0000000200)='./bus/file1\x00', &(0x7f00000002c0)='./bus/file0\x00') newfstatat(0xffffffffffffff9c, &(0x7f0000000040)='./bus/file0\x00', 0x0, 0x0) 02:05:36 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b4639"}, 0x5d) 02:05:36 executing program 1: r0 = socket$inet(0x10, 0x3, 0x6) sendmsg(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f00000001c0)=[{&(0x7f0000000400)="24000000250007031dfffd946fa2830020200a0009000000001d85680c1ba3a20400ff7e", 0x24}], 0x1}, 0x0) r1 = gettid() ptrace$setopts(0x4206, r1, 0x0, 0x0) tkill(r1, 0x40) ptrace$setregs(0xd, r1, 0x0, &(0x7f0000000080)) ptrace$cont(0x7, r1, 0x0, 0x0) r2 = socket$inet6_tcp(0xa, 0x1, 0x0) r3 = dup(r2) ioctl$PERF_EVENT_IOC_ENABLE(r3, 0x8912, 0x400200) ioctl$VIDIOC_G_EXT_CTRLS(r3, 0xc0205647, &(0x7f0000000140)={0x9c0000, 0x7fffffff, 0x3, 0xffffffffffffffff, 0x0, &(0x7f0000000100)={0x9b0941, 0x7, [], @string=&(0x7f00000000c0)=0x9}}) perf_event_open(&(0x7f0000000000)={0x0, 0x70, 0x3, 0x1, 0x7, 0x80, 0x0, 0x5, 0x480, 0x7, 0x1, 0x1, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x2, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x6, 0x1, @perf_config_ext={0x7, 0xffffffffffff7fff}, 0x410, 0xfffffffffffffffa, 0x4, 0x5, 0x100000001, 0x5, 0x7}, r1, 0x7, r4, 0x1) 02:05:36 executing program 2: r0 = gettid() r1 = creat(&(0x7f0000000280)='./file0\x00', 0xf1) r2 = dup(0xffffffffffffffff) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) setsockopt$XDP_UMEM_COMPLETION_RING(0xffffffffffffffff, 0x11b, 0x6, &(0x7f0000000000)=0x4, 0x4) prctl$PR_SET_PTRACER(0x59616d61, r0) perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x50a, 0x0, 0x0, 0x0, 0x0, 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, 0x4, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x7}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) close(r1) clone(0x2000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) execve(&(0x7f00000000c0)='./file0\x00', &(0x7f0000000840)=[&(0x7f0000000a80)='\xa11\xc2\x1fQ\x88\xebH\xe7\xcf/\x83\xb3+\xc5\xa0\xa6\xbf\x85\xf0;\xea\x8a\xd5b\xb0\xe7=\xf41\xf5\xb4\xb9\aPk\x94csn\x8bu\bHD\x06\f\xccU\x19\xaa\xe0\xed\x85\xb1%\xd8\x82\xaeW\x8764\x93\xb6`\x90\xb1\x1d\xd6\x91\x9a\xf5I:=\xd9\x98\t\x03\x13\xa4f\x13\xeb\x11\xd5\x17J]\x8b\xc18v\xfc\xa9\xcb|\xd4\x1a\x91\x81c\xeb\r|\xdbo\xa8?\xa8\x192\t\x10\x1bhGZ\xc0\xe7\xc3{b\xc0Z\xe5&\r\n\x858\x94V\x9f\xbah\x8f\x91\xa4\x8a\x90\xa7\x10\x85kYh\xb6\x0f\t0-\x9f@\xc2\xbbR.>\xc5;\xceJ\x14QJ0CrCP\x1e\xea\x8b\xc3z\xb8\x7f+\x94LV&\x8e\xce\xecA\xd6\x12#\xdb\x90\xf9\x9d\x03T\x89[G\xa8\xa4\xa9\xa7r\xd8x(\x9dv9\x16\x1dH=\x82?>-\x84R\x11\x94\x17\x01\x03\xc4\xa3\xb3?\xecyq\x86Y'], &(0x7f0000000140)=[&(0x7f0000000480)='\xa11\xc2\x1fQ\x88\xebH\xe7\xcf/\x83\xb3+\xc5\xa0\xa6\xbf\x85\xf0;\xea\x8a\xd5b\xb0\xe7=\xf41\xf5\xb4\xb9\aPk\x94csn\x8bu\bHD\x06\f\xccU\x19\xaa\xe0\xed\x85\xb1%\xd8\x82\xaeW\x8764\x93\xb6`\x90\xb1\x1d\xd6\x91\x9a\xf5I:=\xd9\x98\t\x03\x13\xa4f\x13\xeb\x11\xd5\x17J]\x8b\xc18v\xfc\xa9\xcb|\xd4\x1a\x91\x81c\xeb\r|\xdbo\xa8?\xa8\x192\t\x10\x1bhGZ\xc0\xe7\xc3{b\xc0Z\xe5&\r\n\x858\x94V\x9f\xbah\x8f\x91\xa4\x8a\x90\xa7\x10\x85kYh\xb6\x0f\t0-\x9f@\xc2\xbbR.>\xc5;\xceJ\x14QJ0CrCP\x1e\xea\x8b\xc3z\xb8\x7f+\x94LV&\x8e\xce\xecA\xd6\x12#\xdb\x90\xf9\x9d\x03T\x89[G\xa8\xa4\xa9\xa7r\xd8x(\x9dv9\x16\x1dH=\x82?>-\x84R\x11\x94\x17\x01\x03\xc4\xa3\xb3?\xecyq\x86Y', &(0x7f00000003c0)='[\xa3\xb60\xf8cmd5su\x00']) ptrace$setopts(0x4206, r0, 0x0, 0x0) 02:05:36 executing program 4: r0 = gettid() r1 = creat(&(0x7f0000000280)='./file0\x00', 0xf1) r2 = dup(0xffffffffffffffff) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) setsockopt$XDP_UMEM_COMPLETION_RING(0xffffffffffffffff, 0x11b, 0x6, &(0x7f0000000000)=0x4, 0x4) prctl$PR_SET_PTRACER(0x59616d61, r0) perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x50a, 0x0, 0x0, 0x0, 0x0, 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, 0x4, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x7}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) close(r1) clone(0x2000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) execve(&(0x7f00000000c0)='./file0\x00', &(0x7f0000000840)=[&(0x7f0000000a80)='\xa11\xc2\x1fQ\x88\xebH\xe7\xcf/\x83\xb3+\xc5\xa0\xa6\xbf\x85\xf0;\xea\x8a\xd5b\xb0\xe7=\xf41\xf5\xb4\xb9\aPk\x94csn\x8bu\bHD\x06\f\xccU\x19\xaa\xe0\xed\x85\xb1%\xd8\x82\xaeW\x8764\x93\xb6`\x90\xb1\x1d\xd6\x91\x9a\xf5I:=\xd9\x98\t\x03\x13\xa4f\x13\xeb\x11\xd5\x17J]\x8b\xc18v\xfc\xa9\xcb|\xd4\x1a\x91\x81c\xeb\r|\xdbo\xa8?\xa8\x192\t\x10\x1bhGZ\xc0\xe7\xc3{b\xc0Z\xe5&\r\n\x858\x94V\x9f\xbah\x8f\x91\xa4\x8a\x90\xa7\x10\x85kYh\xb6\x0f\t0-\x9f@\xc2\xbbR.>\xc5;\xceJ\x14QJ0CrCP\x1e\xea\x8b\xc3z\xb8\x7f+\x94LV&\x8e\xce\xecA\xd6\x12#\xdb\x90\xf9\x9d\x03T\x89[G\xa8\xa4\xa9\xa7r\xd8x(\x9dv9\x16\x1dH=\x82?>-\x84R\x11\x94\x17\x01\x03\xc4\xa3\xb3?\xecyq\x86Y'], &(0x7f0000000140)=[&(0x7f0000000480)='\xa11\xc2\x1fQ\x88\xebH\xe7\xcf/\x83\xb3+\xc5\xa0\xa6\xbf\x85\xf0;\xea\x8a\xd5b\xb0\xe7=\xf41\xf5\xb4\xb9\aPk\x94csn\x8bu\bHD\x06\f\xccU\x19\xaa\xe0\xed\x85\xb1%\xd8\x82\xaeW\x8764\x93\xb6`\x90\xb1\x1d\xd6\x91\x9a\xf5I:=\xd9\x98\t\x03\x13\xa4f\x13\xeb\x11\xd5\x17J]\x8b\xc18v\xfc\xa9\xcb|\xd4\x1a\x91\x81c\xeb\r|\xdbo\xa8?\xa8\x192\t\x10\x1bhGZ\xc0\xe7\xc3{b\xc0Z\xe5&\r\n\x858\x94V\x9f\xbah\x8f\x91\xa4\x8a\x90\xa7\x10\x85kYh\xb6\x0f\t0-\x9f@\xc2\xbbR.>\xc5;\xceJ\x14QJ0CrCP\x1e\xea\x8b\xc3z\xb8\x7f+\x94LV&\x8e\xce\xecA\xd6\x12#\xdb\x90\xf9\x9d\x03T\x89[G\xa8\xa4\xa9\xa7r\xd8x(\x9dv9\x16\x1dH=\x82?>-\x84R\x11\x94\x17\x01\x03\xc4\xa3\xb3?\xecyq\x86Y', &(0x7f00000003c0)='[\xa3\xb60\xf8cmd5su\x00']) ptrace$setopts(0x4206, r0, 0x0, 0x0) [ 1091.753488][ T4760] overlayfs: failed to resolve './file1': -2 02:05:37 executing program 1: r0 = socket$inet(0x10, 0x3, 0x6) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) r2 = dup(r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) sendmsg$SOCK_DIAG_BY_FAMILY(r2, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000040)={&(0x7f0000000440)={0x11a4, 0x14, 0x800, 0x70bd27, 0x25dfdbfb, {0x26, 0x2}, [@INET_DIAG_REQ_BYTECODE={0x32, 0x1, "0e4313f6dee72ff3a184bc93c99f29b804ae9230643a506c7c586c94aef72897e5064d6e24aada57b99ea5f92619"}, @INET_DIAG_REQ_BYTECODE={0xcf, 0x1, "76a2985d6a77abd2ec79d659beea421166f23425a960ea897bc504dc9be33f4305c89cce09a0650a3e9a2e740f68f91e1e6ed0b2db385a12326b32f9f0f8ecc3cee90d67c4b2f0ed73d060942877ae3cfa44be396485e5b876f3045bd7b80ef6722fcd5a39bcc478c166fe9d9094f428c8ddd252c09982802ee464ac41d007e90f4e7736a7d1de06404fda8c38b342033fe7098ec21e5544433e784a1c4783f996f57f9ee6345854527e888ab4de05413010b2146139476369e2160f5571d891aa4758beb4198f6c752f0b"}, @INET_DIAG_REQ_BYTECODE={0x87, 0x1, "f219aa018f79e4d6b229e7ca2ef17bd5f173b350fefcf6bd9e1183296e6d9b96337d4089cb7f7af57667ec99256b03e161fa48ff6434622b6f1c624ce7bf403b41b79ded36e92ee47aec3cbcd0b18f57052c107e3b7d8a3a8426dbf19b9aabb6369ffe334da7e6527d7581d6f379f182c926b6868982e73ef1da4b8ede0c7c4e981ab2"}, @INET_DIAG_REQ_BYTECODE={0x1004, 0x1, "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"}]}, 0x11a4}, 0x1, 0x0, 0x0, 0x4000}, 0x240000c0) sendmsg(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f00000001c0)=[{&(0x7f0000000400)="24000000250007031dfffd946fa2830020200a0009000000001d85680c1ba3a20400ff7e", 0x24}], 0x1}, 0x0) munmap(&(0x7f0000ffe000/0x1000)=nil, 0x1000) prctl$PR_SVE_SET_VL(0x32, 0x30090) 02:05:37 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c46842"}, 0x63) 02:05:37 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="48000000100005e7ffffff000000000000000000", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r5, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000003c40)=ANY=[@ANYBLOB='H\x00\x00\x00,\x00\'\r\x00'/20, @ANYRES32=r5, @ANYBLOB="0000000000000000080000000a0001007273767036"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000007c0)=ANY=[@ANYBLOB="340000002e00298900004c000000000000000000", @ANYRES32=r5], 0x34}}, 0x0) 02:05:37 executing program 3: mkdir(&(0x7f0000000300)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='upperdir=./file1,lowerdir=./bus,workdir=./file0,metacopy=on']) link(&(0x7f0000000200)='./bus/file1\x00', &(0x7f00000002c0)='./bus/file0\x00') newfstatat(0xffffffffffffff9c, &(0x7f0000000040)='./bus/file0\x00', 0x0, 0x0) 02:05:37 executing program 2: perf_event_open(&(0x7f0000000040)={0x0, 0x70}, 0x0, 0x0, 0xffffffffffffffff, 0x0) connect$inet6(0xffffffffffffffff, 0x0, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f000003e000/0x18000)=nil, &(0x7f00000001c0)=[@text16={0x10, &(0x7f00000000c0)="0f20d86635080000000f22d826646726660f38814f7bbad10466b80001c0fe66efea34381100360f408100000f0179b466b8080000000f23d80f21f86635c00000500f23f8660f38f88c0020f3a5640f01ca", 0x52}], 0x1, 0x0, 0x0, 0xfffffef5) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) openat$ptmx(0xffffffffffffff9c, &(0x7f0000000180)='/dev/ptmx\x00', 0x2f606557d6081b8a, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) fcntl$getflags(r0, 0x40a) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f00000002c0)={[0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40c62]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) [ 1092.071108][ T4776] ptrace attach of ""[4774] was attempted by "/root/syz-executor.2"[4776] 02:05:37 executing program 1: open(&(0x7f0000000000)='./file0\x00', 0x541480, 0x0) r0 = socket$inet(0x10, 0x3, 0x6) sendmsg(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f00000001c0)}, 0x0) 02:05:37 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c46842"}, 0x63) [ 1092.221052][ T4799] overlayfs: failed to resolve './file1': -2 02:05:37 executing program 1: r0 = socket$inet(0x10, 0x3, 0x6) r1 = openat$vsock(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vsock\x00', 0x4000, 0x0) setsockopt$netlink_NETLINK_DROP_MEMBERSHIP(r1, 0x10e, 0x2, &(0x7f0000000040)=0x10, 0x4) sendmsg(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f00000001c0)=[{&(0x7f0000000400)="24000000250007031dfffd946fa2830020200a0009000000001d85680c1ba3a20400ff7e", 0x24}], 0x1}, 0x0) 02:05:37 executing program 3: mkdir(0x0, 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='upperdir=./file1,lowerdir=./bus,workdir=./file0,metacopy=on']) link(&(0x7f0000000200)='./bus/file1\x00', &(0x7f00000002c0)='./bus/file0\x00') newfstatat(0xffffffffffffff9c, &(0x7f0000000040)='./bus/file0\x00', 0x0, 0x0) 02:05:37 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="48000000100005e7ffffff000000000000000000", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r5, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000003c40)=ANY=[@ANYBLOB='H\x00\x00\x00,\x00\'\r\x00'/20, @ANYRES32=r5, @ANYBLOB="0000000000000000080000000a0001007273767036"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000007c0)=ANY=[@ANYBLOB="340000002e002989000060000000000000000000", @ANYRES32=r5], 0x34}}, 0x0) 02:05:37 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c46842"}, 0x63) [ 1092.660098][ T4823] overlayfs: failed to resolve './file1': -2 02:05:40 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5"}, 0x66) 02:05:40 executing program 1: r0 = socket$inet(0x10, 0x3, 0x6) sendmsg(r0, &(0x7f0000000080)={0x0, 0x6c024acae6d3847c, &(0x7f00000001c0)=[{&(0x7f0000000400)="24000000250007031dfffd946fa2830020200a0009000000001d85680c1ba3a20400ff7e", 0x24}], 0x1}, 0x20008000) 02:05:40 executing program 4: perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) connect$inet6(0xffffffffffffffff, &(0x7f0000000040)={0xa, 0x0, 0x0, @mcast1, 0x5}, 0x1c) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f000003e000/0x18000)=nil, &(0x7f00000001c0)=[@text16={0x10, &(0x7f00000000c0)="0f20d86635080000000f22d826646726660f38814f7bbad10466b80001c0fe66efea34381100360f408100000f0179b466b8080000000f23d80f21f86635c00000500f23f8660f38f88c0020f3a5640f01ca", 0x52}], 0x1, 0x0, 0x0, 0xfffffef5) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) openat$ptmx(0xffffffffffffff9c, &(0x7f0000000180)='/dev/ptmx\x00', 0x2f606557d6081b8a, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) fcntl$getflags(r0, 0x40a) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f00000002c0)={[0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40c62]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) 02:05:40 executing program 3: mkdir(0x0, 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='upperdir=./file1,lowerdir=./bus,workdir=./file0,metacopy=on']) link(&(0x7f0000000200)='./bus/file1\x00', &(0x7f00000002c0)='./bus/file0\x00') newfstatat(0xffffffffffffff9c, &(0x7f0000000040)='./bus/file0\x00', 0x0, 0x0) 02:05:40 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="48000000100005e7ffffff000000000000000000", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r5, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000003c40)=ANY=[@ANYBLOB='H\x00\x00\x00,\x00\'\r\x00'/20, @ANYRES32=r5, @ANYBLOB="0000000000000000080000000a0001007273767036"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000007c0)=ANY=[@ANYBLOB="340000002e002989000068000000000000000000", @ANYRES32=r5], 0x34}}, 0x0) 02:05:40 executing program 2: perf_event_open(&(0x7f0000000040)={0x0, 0x70}, 0x0, 0x0, 0xffffffffffffffff, 0x0) connect$inet6(0xffffffffffffffff, 0x0, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f000003e000/0x18000)=nil, &(0x7f00000001c0)=[@text16={0x10, &(0x7f00000000c0)="0f20d86635080000000f22d826646726660f38814f7bbad10466b80001c0fe66efea34381100360f408100000f0179b466b8080000000f23d80f21f86635c00000500f23f8660f38f88c0020f3a5640f01ca", 0x52}], 0x1, 0x0, 0x0, 0xfffffef5) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) openat$ptmx(0xffffffffffffff9c, &(0x7f0000000180)='/dev/ptmx\x00', 0x2f606557d6081b8a, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) fcntl$getflags(r0, 0x40a) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f00000002c0)={[0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40c62]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) 02:05:40 executing program 1: r0 = socket$inet(0x10, 0x3, 0x46) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) r2 = dup(r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) accept4$ax25(r2, 0x0, &(0x7f0000000040), 0x0) syz_open_procfs(0x0, &(0x7f0000000000)='oom_score_adj\x00') sendmsg(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f00000001c0)=[{&(0x7f0000000400)="24000000250007031dfffd946fa2830020200a0009000000001d85680c1ba3a20400ff7e", 0x24}], 0x1}, 0x0) 02:05:40 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5"}, 0x66) [ 1095.107139][ T4843] overlayfs: failed to resolve './file1': -2 [ 1095.112009][ T4850] __nla_validate_parse: 34 callbacks suppressed [ 1095.112019][ T4850] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 1095.214335][ T4855] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 02:05:40 executing program 3: mkdir(0x0, 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='upperdir=./file1,lowerdir=./bus,workdir=./file0,metacopy=on']) link(&(0x7f0000000200)='./bus/file1\x00', &(0x7f00000002c0)='./bus/file0\x00') newfstatat(0xffffffffffffff9c, &(0x7f0000000040)='./bus/file0\x00', 0x0, 0x0) 02:05:40 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5"}, 0x66) [ 1095.373526][ T4859] netlink: 16 bytes leftover after parsing attributes in process `syz-executor.5'. 02:05:40 executing program 1: r0 = socket$inet(0x10, 0x3, 0x6) sendmsg(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f00000001c0)=[{&(0x7f0000000400)="24000000250007031dfffd946fa2830020200a0009000000001d85680c1ba3a20400ff7e", 0x24}], 0x1}, 0x0) syz_genetlink_get_family_id$l2tp(&(0x7f0000000000)='l2tp\x00') [ 1095.418203][ T4854] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 1095.431407][ T4855] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 1095.484725][ T4871] overlayfs: failed to resolve './file1': -2 02:05:40 executing program 2: perf_event_open(&(0x7f0000000040)={0x0, 0x70}, 0x0, 0x0, 0xffffffffffffffff, 0x0) connect$inet6(0xffffffffffffffff, 0x0, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f000003e000/0x18000)=nil, &(0x7f00000001c0)=[@text16={0x10, &(0x7f00000000c0)="0f20d86635080000000f22d826646726660f38814f7bbad10466b80001c0fe66efea34381100360f408100000f0179b466b8080000000f23d80f21f86635c00000500f23f8660f38f88c0020f3a5640f01ca", 0x52}], 0x1, 0x0, 0x0, 0xfffffef5) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) openat$ptmx(0xffffffffffffff9c, &(0x7f0000000180)='/dev/ptmx\x00', 0x2f606557d6081b8a, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) fcntl$getflags(r0, 0x40a) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f00000002c0)={[0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40c62]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) [ 1095.609282][ T4859] netlink: 16 bytes leftover after parsing attributes in process `syz-executor.5'. 02:05:41 executing program 4: r0 = gettid() r1 = creat(&(0x7f0000000280)='./file0\x00', 0xf1) r2 = dup(0xffffffffffffffff) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) setsockopt$XDP_UMEM_COMPLETION_RING(0xffffffffffffffff, 0x11b, 0x6, &(0x7f0000000000)=0x4, 0x4) r3 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000180)='/dev/ptmx\x00', 0x2f606557d6081b8a, 0x0) ioctl$TCSETS(r3, 0x40045431, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0, "8000"}) write$binfmt_aout(r3, &(0x7f0000000000)=ANY=[], 0x8d) ioctl$TCSETA(r3, 0x5406, &(0x7f00000004c0)={0xfff9, 0x0, 0x0, 0xbffa, 0x0, "078cf0251c0e00"}) syz_open_pts(r3, 0x0) ioctl$TIOCNXCL(r3, 0x540d) prctl$PR_SET_PTRACER(0x59616d61, r0) perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x50a, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) close(r1) clone(0x2000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) execve(&(0x7f00000000c0)='./file0\x00', &(0x7f0000000840)=[&(0x7f0000000a80)='\xa11\xc2\x1fQ\x88\xebH\xe7\xcf/\x83\xb3+\xc5\xa0\xa6\xbf\x85\xf0;\xea\x8a\xd5b\xb0\xe7=\xf41\xf5\xb4\xb9\aPk\x94csn\x8bu\bHD\x06\f\xccU\x19\xaa\xe0\xed\x85\xb1%\xd8\x82\xaeW\x8764\x93\xb6`\x90\xb1\x1d\xd6\x91\x9a\xf5I:=\xd9\x98\t\x03\x13\xa4f\x13\xeb\x11\xd5\x17J]\x8b\xc18v\xfc\xa9\xcb|\xd4\x1a\x91\x81c\xeb\r|\xdbo\xa8?\xa8\x192\t\x10\x1bhGZ\xc0\xe7\xc3{b\xc0Z\xe5&\r\n\x858\x94V\x9f\xbah\x8f\x91\xa4\x8a\x90\xa7\x10\x85kYh\xb6\x0f\t0-\x9f@\xc2\xbbR.>\xc5;\xceJ\x14QJ0CrCP\x1e\xea\x8b\xc3z\xb8\x7f+\x94LV&\x8e\xce\xecA\xd6\x12#\xdb\x90\xf9\x9d\x03T\x89[G\xa8\xa4\xa9\xa7r\xd8x(\x9dv9\x16\x1dH=\x82?>-\x84R\x11\x94\x17\x01\x03\xc4\xa3\xb3?\xecyq\x86Y'], &(0x7f0000000140)=[&(0x7f0000000480)='\xa11\xc2\x1fQ\x88\xebH\xe7\xcf/\x83\xb3+\xc5\xa0\xa6\xbf\x85\xf0;\xea\x8a\xd5b\xb0\xe7=\xf41\xf5\xb4\xb9\aPk\x94csn\x8bu\bHD\x06\f\xccU\x19\xaa\xe0\xed\x85\xb1%\xd8\x82\xaeW\x8764\x93\xb6`\x90\xb1\x1d\xd6\x91\x9a\xf5I:=\xd9\x98\t\x03\x13\xa4f\x13\xeb\x11\xd5\x17J]\x8b\xc18v\xfc\xa9\xcb|\xd4\x1a\x91\x81c\xeb\r|\xdbo\xa8?\xa8\x192\t\x10\x1bhGZ\xc0\xe7\xc3{b\xc0Z\xe5&\r\n\x858\x94V\x9f\xbah\x8f\x91\xa4\x8a\x90\xa7\x10\x85kYh\xb6\x0f\t0-\x9f@\xc2\xbbR.>\xc5;\xceJ\x14QJ0CrCP\x1e\xea\x8b\xc3z\xb8\x7f+\x94LV&\x8e\xce\xecA\xd6\x12#\xdb\x90\xf9\x9d\x03T\x89[G\xa8\xa4\xa9\xa7r\xd8x(\x9dv9\x16\x1dH=\x82?>-\x84R\x11\x94\x17\x01\x03\xc4\xa3\xb3?\xecyq\x86Y', &(0x7f00000003c0)='[\xa3\xb60\xf8cmd5su\x00']) ptrace$setopts(0x4206, r0, 0x0, 0x0) 02:05:41 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(0x0, 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='upperdir=./file1,lowerdir=./bus,workdir=./file0,metacopy=on']) link(&(0x7f0000000200)='./bus/file1\x00', &(0x7f00000002c0)='./bus/file0\x00') newfstatat(0xffffffffffffff9c, &(0x7f0000000040)='./bus/file0\x00', 0x0, 0x0) 02:05:41 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7"}, 0x67) 02:05:41 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="48000000100005e7ffffff000000000000000000", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r5, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000003c40)=ANY=[@ANYBLOB='H\x00\x00\x00,\x00\'\r\x00'/20, @ANYRES32=r5, @ANYBLOB="0000000000000000080000000a0001007273767036"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000007c0)=ANY=[@ANYBLOB="340000002e00298900006c000000000000000000", @ANYRES32=r5], 0x34}}, 0x0) 02:05:41 executing program 1: r0 = socket$inet(0x10, 0x3, 0x6) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) r2 = dup(r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) sendmsg$nl_route(r2, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000400)=ANY=[@ANYBLOB="1c006241190000000400002abd7000fbdbdfeb5e108009fe02c80400040000b9553ea2d768c3568bd2a854f046c446fe02f2571346"], 0x1c}}, 0x4000881) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) r4 = dup(r3) ioctl$PERF_EVENT_IOC_ENABLE(r4, 0x8912, 0x400200) r5 = socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_genetlink_get_family_id$tipc(&(0x7f0000000040)='TIPC\x00') sendmsg$TIPC_CMD_DISABLE_BEARER(r5, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000340)=ANY=[@ANYBLOB=',\x00\x00\x00', @ANYRES16=r6, @ANYBLOB="01000000000000000000010000000000000006000000000200136574683a76657468310000adbf33000000000000000000"], 0x5d}}, 0x0) sendmsg$TIPC_CMD_SHOW_PORTS(r4, &(0x7f0000000300)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f00000002c0)={&(0x7f0000000280)={0x1c, r6, 0x200, 0x70bd2c, 0x25dfdbfe, {}, ["", "", "", "", ""]}, 0x1c}, 0x1, 0x0, 0x0, 0x24000804}, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r2, 0x4020ae46, &(0x7f0000000140)={0x1fe, 0x2, 0x2, 0x2000, &(0x7f0000ffd000/0x2000)=nil}) r7 = socket$inet_sctp(0x2, 0x1, 0x84) sendto$inet(r7, &(0x7f0000000440)="00e4277f338b5d85c1571f63de3624c57f967366ef132ae8deb3cad170e6c52b90b5e6ca1c1f017f21fa2b9202a1dbbb86c40da24252f7696a3751ca84a2cdeb947992106102aab5689ff749d99338ef9ef786ef6c6eb259b6252edb3d1ead3f78a95b89d17e6a861349bb58b4e29acd3c4da6db89c9bfaadf2923e8f5605973f8bb75702d9229bd08a880fa735f9b15b2563d767ccb0c", 0xa3, 0x981, &(0x7f000052a000)={0x2, 0x0, @remote={0xac, 0x14, 0xffffffffffffffff}}, 0x2f) shutdown(r7, 0x1) getsockopt$inet_sctp6_SCTP_GET_ASSOC_ID_LIST(0xffffffffffffffff, 0x84, 0x1d, &(0x7f000095dff8)={0x1, [0x0]}, &(0x7f000095dffc)=0x8) getsockopt$inet_sctp_SCTP_GET_LOCAL_ADDRS(r7, 0x84, 0x6d, &(0x7f0000000380)=ANY=[@ANYRES32=r8, @ANYBLOB="010000c5fbe7cf0800"], &(0x7f0000000000)=0x3e2) setsockopt$inet_sctp6_SCTP_RESET_STREAMS(0xffffffffffffffff, 0x84, 0x77, &(0x7f00000003c0)={r8, 0x8, 0xa, [0x0, 0x3, 0x1f, 0x1, 0x801, 0x10e, 0x2, 0x67c, 0x7ff, 0x200]}, 0x1c) sendmsg(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f00000001c0)=[{&(0x7f0000000200)="47eb62a7250007031dfffd8e6fa21ba3a20400ff7e0000000000000000ecff00000000e2e4bda756f1cd89b8e6f09880bdc18fdc2ad34fa4c0d3d163217e923d55b33c0e0104000000000000a922962d357b7fe5c1a30b3e17ba4188481b136d12", 0x61}], 0x1}, 0x0) 02:05:41 executing program 2: perf_event_open(&(0x7f0000000040)={0x0, 0x70}, 0x0, 0x0, 0xffffffffffffffff, 0x0) connect$inet6(0xffffffffffffffff, 0x0, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f000003e000/0x18000)=nil, &(0x7f00000001c0)=[@text16={0x10, &(0x7f00000000c0)="0f20d86635080000000f22d826646726660f38814f7bbad10466b80001c0fe66efea34381100360f408100000f0179b466b8080000000f23d80f21f86635c00000500f23f8660f38f88c0020f3a5640f01ca", 0x52}], 0x1, 0x0, 0x0, 0xfffffef5) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) openat$ptmx(0xffffffffffffff9c, &(0x7f0000000180)='/dev/ptmx\x00', 0x2f606557d6081b8a, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) fcntl$getflags(r0, 0x40a) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f00000002c0)={[0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40c62]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) 02:05:41 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7"}, 0x67) [ 1096.062901][ T4896] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 02:05:41 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(0x0, 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='upperdir=./file1,lowerdir=./bus,workdir=./file0,metacopy=on']) link(&(0x7f0000000200)='./bus/file1\x00', &(0x7f00000002c0)='./bus/file0\x00') newfstatat(0xffffffffffffff9c, &(0x7f0000000040)='./bus/file0\x00', 0x0, 0x0) [ 1096.165481][ T4906] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 02:05:41 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7"}, 0x67) [ 1096.249250][ T4912] netlink: 16 bytes leftover after parsing attributes in process `syz-executor.5'. 02:05:41 executing program 1: r0 = socket$inet(0x10, 0x3, 0x6) r1 = gettid() ptrace$setopts(0x4206, r1, 0x0, 0x0) tkill(r1, 0x40) ptrace$setregs(0xd, r1, 0x0, &(0x7f0000000080)) ptrace$cont(0x7, r1, 0x0, 0x0) r2 = syz_open_procfs(r1, &(0x7f0000000000)='uid_map\x00') ioctl$SNDRV_CTL_IOCTL_ELEM_LOCK(r2, 0x40405514, &(0x7f00000000c0)={0x1, 0x0, 0x405, 0x100, 'syz1\x00', 0x3}) sendmsg(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f00000001c0)=[{&(0x7f0000000400)="24000000250007031dfffd946fa2830020200a0009000000001d85680c1ba3a20400ff7e", 0x24}], 0x1}, 0x0) [ 1096.305527][ T4896] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 02:05:41 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(0x0, 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='upperdir=./file1,lowerdir=./bus,workdir=./file0,metacopy=on']) link(&(0x7f0000000200)='./bus/file1\x00', &(0x7f00000002c0)='./bus/file0\x00') newfstatat(0xffffffffffffff9c, &(0x7f0000000040)='./bus/file0\x00', 0x0, 0x0) 02:05:41 executing program 2: perf_event_open(&(0x7f0000000040)={0x0, 0x70}, 0x0, 0x0, 0xffffffffffffffff, 0x0) connect$inet6(0xffffffffffffffff, 0x0, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f000003e000/0x18000)=nil, &(0x7f00000001c0)=[@text16={0x10, &(0x7f00000000c0)="0f20d86635080000000f22d826646726660f38814f7bbad10466b80001c0fe66efea34381100360f408100000f0179b466b8080000000f23d80f21f86635c00000500f23f8660f38f88c0020f3a5640f01ca", 0x52}], 0x1, 0x0, 0x0, 0xfffffef5) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) openat$ptmx(0xffffffffffffff9c, &(0x7f0000000180)='/dev/ptmx\x00', 0x2f606557d6081b8a, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) fcntl$getflags(r0, 0x40a) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f00000002c0)={[0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40c62]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) 02:05:41 executing program 4: r0 = gettid() r1 = creat(&(0x7f0000000280)='./file0\x00', 0xf1) r2 = dup(0xffffffffffffffff) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) setsockopt$XDP_UMEM_COMPLETION_RING(0xffffffffffffffff, 0x11b, 0x6, &(0x7f0000000000)=0x4, 0x4) r3 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000180)='/dev/ptmx\x00', 0x2f606557d6081b8a, 0x0) ioctl$TCSETS(r3, 0x40045431, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0, "8000"}) write$binfmt_aout(r3, &(0x7f0000000000)=ANY=[], 0x8d) ioctl$TCSETA(r3, 0x5406, &(0x7f00000004c0)={0xfff9, 0x0, 0x0, 0xbffa, 0x0, "078cf0251c0e00"}) syz_open_pts(r3, 0x0) ioctl$TIOCNXCL(r3, 0x540d) prctl$PR_SET_PTRACER(0x59616d61, r0) perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x50a, 0x0, 0x0, 0x0, 0x0, 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, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) close(r1) clone(0x2000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) execve(&(0x7f00000000c0)='./file0\x00', &(0x7f0000000840)=[&(0x7f0000000a80)='\xa11\xc2\x1fQ\x88\xebH\xe7\xcf/\x83\xb3+\xc5\xa0\xa6\xbf\x85\xf0;\xea\x8a\xd5b\xb0\xe7=\xf41\xf5\xb4\xb9\aPk\x94csn\x8bu\bHD\x06\f\xccU\x19\xaa\xe0\xed\x85\xb1%\xd8\x82\xaeW\x8764\x93\xb6`\x90\xb1\x1d\xd6\x91\x9a\xf5I:=\xd9\x98\t\x03\x13\xa4f\x13\xeb\x11\xd5\x17J]\x8b\xc18v\xfc\xa9\xcb|\xd4\x1a\x91\x81c\xeb\r|\xdbo\xa8?\xa8\x192\t\x10\x1bhGZ\xc0\xe7\xc3{b\xc0Z\xe5&\r\n\x858\x94V\x9f\xbah\x8f\x91\xa4\x8a\x90\xa7\x10\x85kYh\xb6\x0f\t0-\x9f@\xc2\xbbR.>\xc5;\xceJ\x14QJ0CrCP\x1e\xea\x8b\xc3z\xb8\x7f+\x94LV&\x8e\xce\xecA\xd6\x12#\xdb\x90\xf9\x9d\x03T\x89[G\xa8\xa4\xa9\xa7r\xd8x(\x9dv9\x16\x1dH=\x82?>-\x84R\x11\x94\x17\x01\x03\xc4\xa3\xb3?\xecyq\x86Y'], &(0x7f0000000140)=[&(0x7f0000000480)='\xa11\xc2\x1fQ\x88\xebH\xe7\xcf/\x83\xb3+\xc5\xa0\xa6\xbf\x85\xf0;\xea\x8a\xd5b\xb0\xe7=\xf41\xf5\xb4\xb9\aPk\x94csn\x8bu\bHD\x06\f\xccU\x19\xaa\xe0\xed\x85\xb1%\xd8\x82\xaeW\x8764\x93\xb6`\x90\xb1\x1d\xd6\x91\x9a\xf5I:=\xd9\x98\t\x03\x13\xa4f\x13\xeb\x11\xd5\x17J]\x8b\xc18v\xfc\xa9\xcb|\xd4\x1a\x91\x81c\xeb\r|\xdbo\xa8?\xa8\x192\t\x10\x1bhGZ\xc0\xe7\xc3{b\xc0Z\xe5&\r\n\x858\x94V\x9f\xbah\x8f\x91\xa4\x8a\x90\xa7\x10\x85kYh\xb6\x0f\t0-\x9f@\xc2\xbbR.>\xc5;\xceJ\x14QJ0CrCP\x1e\xea\x8b\xc3z\xb8\x7f+\x94LV&\x8e\xce\xecA\xd6\x12#\xdb\x90\xf9\x9d\x03T\x89[G\xa8\xa4\xa9\xa7r\xd8x(\x9dv9\x16\x1dH=\x82?>-\x84R\x11\x94\x17\x01\x03\xc4\xa3\xb3?\xecyq\x86Y', &(0x7f00000003c0)='[\xa3\xb60\xf8cmd5su\x00']) ptrace$setopts(0x4206, r0, 0x0, 0x0) 02:05:41 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="48000000100005e7ffffff000000000000000000", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r5, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000003c40)=ANY=[@ANYBLOB='H\x00\x00\x00,\x00\'\r\x00'/20, @ANYRES32=r5, @ANYBLOB="0000000000000000080000000a0001007273767036"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000007c0)=ANY=[@ANYBLOB="340000002e002989000074000000000000000000", @ANYRES32=r5], 0x34}}, 0x0) 02:05:41 executing program 1 (fault-call:7 fault-nth:0): clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x37d, 0x0) 02:05:41 executing program 0 (fault-call:3 fault-nth:0): clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:05:41 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) creat(0x0, 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='upperdir=./file1,lowerdir=./bus,workdir=./file0,metacopy=on']) link(&(0x7f0000000200)='./bus/file1\x00', &(0x7f00000002c0)='./bus/file0\x00') newfstatat(0xffffffffffffff9c, &(0x7f0000000040)='./bus/file0\x00', 0x0, 0x0) 02:05:42 executing program 2: perf_event_open(&(0x7f0000000040)={0x0, 0x70}, 0x0, 0x0, 0xffffffffffffffff, 0x0) connect$inet6(0xffffffffffffffff, 0x0, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f000003e000/0x18000)=nil, &(0x7f00000001c0)=[@text16={0x10, &(0x7f00000000c0)="0f20d86635080000000f22d826646726660f38814f7bbad10466b80001c0fe66efea34381100360f408100000f0179b466b8080000000f23d80f21f86635c00000500f23f8660f38f88c0020f3a5640f01ca", 0x52}], 0x1, 0x0, 0x0, 0xfffffef5) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) openat$ptmx(0xffffffffffffff9c, &(0x7f0000000180)='/dev/ptmx\x00', 0x2f606557d6081b8a, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) fcntl$getflags(r0, 0x40a) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f00000002c0)={[0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40c62]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) 02:05:42 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x37d, 0x0) [ 1096.883565][ T4946] FAULT_INJECTION: forcing a failure. [ 1096.883565][ T4946] name failslab, interval 1, probability 0, space 0, times 0 [ 1096.955239][ T4946] CPU: 0 PID: 4946 Comm: syz-executor.0 Not tainted 5.8.0-rc5-syzkaller #0 [ 1096.963859][ T4946] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1096.973925][ T4946] Call Trace: [ 1096.977248][ T4946] dump_stack+0x18f/0x20d [ 1096.981640][ T4946] should_fail.cold+0x5/0x14 [ 1096.986257][ T4946] ? device_write+0xc4/0x1d60 [ 1096.990988][ T4946] ? device_write+0xc4/0x1d60 [ 1096.995686][ T4946] should_failslab+0x5/0xf [ 1097.000114][ T4946] __kmalloc_track_caller+0x27b/0x330 [ 1097.005528][ T4946] memdup_user_nul+0x22/0x100 [ 1097.010224][ T4946] device_write+0xc4/0x1d60 [ 1097.014753][ T4946] ? apparmor_file_permission+0x26e/0x4e0 [ 1097.020505][ T4946] ? device_open+0x2f0/0x2f0 [ 1097.025119][ T4946] ? security_file_permission+0x239/0x470 [ 1097.030907][ T4946] ? device_open+0x2f0/0x2f0 [ 1097.035512][ T4946] vfs_write+0x2b0/0x6b0 [ 1097.039773][ T4946] ksys_write+0x12d/0x250 [ 1097.044111][ T4946] ? __ia32_sys_read+0xb0/0xb0 [ 1097.048899][ T4946] ? lock_is_held_type+0xb0/0xe0 [ 1097.053852][ T4946] ? do_syscall_64+0x1c/0xe0 [ 1097.058460][ T4946] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 1097.064456][ T4946] do_syscall_64+0x60/0xe0 [ 1097.068883][ T4946] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1097.074779][ T4946] RIP: 0033:0x45c1d9 [ 1097.078674][ T4946] Code: Bad RIP value. [ 1097.082769][ T4946] RSP: 002b:00007f41dd506c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 1097.091193][ T4946] RAX: ffffffffffffffda RBX: 0000000000036e80 RCX: 000000000045c1d9 [ 1097.105681][ T4946] RDX: 0000000000000068 RSI: 0000000020000140 RDI: 0000000000000003 [ 1097.113661][ T4946] RBP: 00007f41dd506ca0 R08: 0000000000000000 R09: 0000000000000000 [ 1097.121634][ T4946] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1097.129614][ T4946] R13: 00007ffec653bd1f R14: 00007f41dd5079c0 R15: 000000000078bf0c 02:05:42 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="48000000100005e7ffffff000000000000000000", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r5, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000003c40)=ANY=[@ANYBLOB='H\x00\x00\x00,\x00\'\r\x00'/20, @ANYRES32=r5, @ANYBLOB="0000000000000000080000000a0001007273767036"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000007c0)=ANY=[@ANYBLOB="340000002e00298900007a000000000000000000", @ANYRES32=r5], 0x34}}, 0x0) 02:05:42 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x2, 0x0) 02:05:42 executing program 2: perf_event_open(&(0x7f0000000040)={0x0, 0x70}, 0x0, 0x0, 0xffffffffffffffff, 0x0) connect$inet6(0xffffffffffffffff, 0x0, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f000003e000/0x18000)=nil, &(0x7f00000001c0)=[@text16={0x10, &(0x7f00000000c0)="0f20d86635080000000f22d826646726660f38814f7bbad10466b80001c0fe66efea34381100360f408100000f0179b466b8080000000f23d80f21f86635c00000500f23f8660f38f88c0020f3a5640f01ca", 0x52}], 0x1, 0x0, 0x0, 0xfffffef5) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) openat$ptmx(0xffffffffffffff9c, &(0x7f0000000180)='/dev/ptmx\x00', 0x2f606557d6081b8a, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) fcntl$getflags(r0, 0x40a) ioctl$KVM_RUN(r2, 0xae80, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) 02:05:42 executing program 4: r0 = gettid() r1 = creat(&(0x7f0000000280)='./file0\x00', 0xf1) r2 = dup(0xffffffffffffffff) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) setsockopt$XDP_UMEM_COMPLETION_RING(0xffffffffffffffff, 0x11b, 0x6, &(0x7f0000000000)=0x4, 0x4) r3 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000180)='/dev/ptmx\x00', 0x2f606557d6081b8a, 0x0) ioctl$TCSETS(r3, 0x40045431, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0, "8000"}) write$binfmt_aout(r3, &(0x7f0000000000)=ANY=[], 0x8d) ioctl$TCSETA(r3, 0x5406, &(0x7f00000004c0)={0xfff9, 0x0, 0x0, 0xbffa, 0x0, "078cf0251c0e00"}) syz_open_pts(r3, 0x0) ioctl$TIOCNXCL(r3, 0x540d) prctl$PR_SET_PTRACER(0x59616d61, r0) perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x50a, 0x0, 0x0, 0x0, 0x0, 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, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) close(r1) clone(0x2000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) execve(&(0x7f00000000c0)='./file0\x00', &(0x7f0000000840)=[&(0x7f0000000a80)='\xa11\xc2\x1fQ\x88\xebH\xe7\xcf/\x83\xb3+\xc5\xa0\xa6\xbf\x85\xf0;\xea\x8a\xd5b\xb0\xe7=\xf41\xf5\xb4\xb9\aPk\x94csn\x8bu\bHD\x06\f\xccU\x19\xaa\xe0\xed\x85\xb1%\xd8\x82\xaeW\x8764\x93\xb6`\x90\xb1\x1d\xd6\x91\x9a\xf5I:=\xd9\x98\t\x03\x13\xa4f\x13\xeb\x11\xd5\x17J]\x8b\xc18v\xfc\xa9\xcb|\xd4\x1a\x91\x81c\xeb\r|\xdbo\xa8?\xa8\x192\t\x10\x1bhGZ\xc0\xe7\xc3{b\xc0Z\xe5&\r\n\x858\x94V\x9f\xbah\x8f\x91\xa4\x8a\x90\xa7\x10\x85kYh\xb6\x0f\t0-\x9f@\xc2\xbbR.>\xc5;\xceJ\x14QJ0CrCP\x1e\xea\x8b\xc3z\xb8\x7f+\x94LV&\x8e\xce\xecA\xd6\x12#\xdb\x90\xf9\x9d\x03T\x89[G\xa8\xa4\xa9\xa7r\xd8x(\x9dv9\x16\x1dH=\x82?>-\x84R\x11\x94\x17\x01\x03\xc4\xa3\xb3?\xecyq\x86Y'], &(0x7f0000000140)=[&(0x7f0000000480)='\xa11\xc2\x1fQ\x88\xebH\xe7\xcf/\x83\xb3+\xc5\xa0\xa6\xbf\x85\xf0;\xea\x8a\xd5b\xb0\xe7=\xf41\xf5\xb4\xb9\aPk\x94csn\x8bu\bHD\x06\f\xccU\x19\xaa\xe0\xed\x85\xb1%\xd8\x82\xaeW\x8764\x93\xb6`\x90\xb1\x1d\xd6\x91\x9a\xf5I:=\xd9\x98\t\x03\x13\xa4f\x13\xeb\x11\xd5\x17J]\x8b\xc18v\xfc\xa9\xcb|\xd4\x1a\x91\x81c\xeb\r|\xdbo\xa8?\xa8\x192\t\x10\x1bhGZ\xc0\xe7\xc3{b\xc0Z\xe5&\r\n\x858\x94V\x9f\xbah\x8f\x91\xa4\x8a\x90\xa7\x10\x85kYh\xb6\x0f\t0-\x9f@\xc2\xbbR.>\xc5;\xceJ\x14QJ0CrCP\x1e\xea\x8b\xc3z\xb8\x7f+\x94LV&\x8e\xce\xecA\xd6\x12#\xdb\x90\xf9\x9d\x03T\x89[G\xa8\xa4\xa9\xa7r\xd8x(\x9dv9\x16\x1dH=\x82?>-\x84R\x11\x94\x17\x01\x03\xc4\xa3\xb3?\xecyq\x86Y', &(0x7f00000003c0)='[\xa3\xb60\xf8cmd5su\x00']) ptrace$setopts(0x4206, r0, 0x0, 0x0) 02:05:42 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) creat(0x0, 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='upperdir=./file1,lowerdir=./bus,workdir=./file0,metacopy=on']) link(&(0x7f0000000200)='./bus/file1\x00', &(0x7f00000002c0)='./bus/file0\x00') newfstatat(0xffffffffffffff9c, &(0x7f0000000040)='./bus/file0\x00', 0x0, 0x0) 02:05:42 executing program 0 (fault-call:3 fault-nth:1): clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:05:42 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x3, 0x0) [ 1097.684531][ T5000] FAULT_INJECTION: forcing a failure. [ 1097.684531][ T5000] name failslab, interval 1, probability 0, space 0, times 0 02:05:42 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="48000000100005e7ffffff000000000000000000", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r5, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000003c40)=ANY=[@ANYBLOB='H\x00\x00\x00,\x00\'\r\x00'/20, @ANYRES32=r5, @ANYBLOB="0000000000000000080000000a0001007273767036"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000007c0)=ANY=[@ANYBLOB="340000002e0029890000f0000000000000000000", @ANYRES32=r5], 0x34}}, 0x0) 02:05:42 executing program 2: perf_event_open(&(0x7f0000000040)={0x0, 0x70}, 0x0, 0x0, 0xffffffffffffffff, 0x0) connect$inet6(0xffffffffffffffff, 0x0, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f000003e000/0x18000)=nil, &(0x7f00000001c0)=[@text16={0x10, &(0x7f00000000c0)="0f20d86635080000000f22d826646726660f38814f7bbad10466b80001c0fe66efea34381100360f408100000f0179b466b8080000000f23d80f21f86635c00000500f23f8660f38f88c0020f3a5640f01ca", 0x52}], 0x1, 0x0, 0x0, 0xfffffef5) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) openat$ptmx(0xffffffffffffff9c, &(0x7f0000000180)='/dev/ptmx\x00', 0x2f606557d6081b8a, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) fcntl$getflags(r0, 0x40a) ioctl$KVM_RUN(r2, 0xae80, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) [ 1097.825344][ T5000] CPU: 0 PID: 5000 Comm: syz-executor.0 Not tainted 5.8.0-rc5-syzkaller #0 [ 1097.833998][ T5000] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1097.844063][ T5000] Call Trace: [ 1097.847371][ T5000] dump_stack+0x18f/0x20d [ 1097.851724][ T5000] should_fail.cold+0x5/0x14 [ 1097.856332][ T5000] ? device_write+0x1a8/0x1d60 [ 1097.861108][ T5000] should_failslab+0x5/0xf [ 1097.865532][ T5000] __kmalloc+0x27d/0x340 [ 1097.869818][ T5000] device_write+0x1a8/0x1d60 [ 1097.874426][ T5000] ? apparmor_file_permission+0x26e/0x4e0 [ 1097.880160][ T5000] ? device_open+0x2f0/0x2f0 [ 1097.884763][ T5000] ? security_file_permission+0x239/0x470 [ 1097.890507][ T5000] ? device_open+0x2f0/0x2f0 [ 1097.895105][ T5000] vfs_write+0x2b0/0x6b0 [ 1097.899361][ T5000] ksys_write+0x12d/0x250 [ 1097.903708][ T5000] ? __ia32_sys_read+0xb0/0xb0 [ 1097.908477][ T5000] ? lock_is_held_type+0xb0/0xe0 [ 1097.913440][ T5000] ? do_syscall_64+0x1c/0xe0 [ 1097.918147][ T5000] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 1097.924162][ T5000] do_syscall_64+0x60/0xe0 [ 1097.928605][ T5000] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1097.934517][ T5000] RIP: 0033:0x45c1d9 [ 1097.938416][ T5000] Code: Bad RIP value. [ 1097.942487][ T5000] RSP: 002b:00007f41dd506c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 1097.950942][ T5000] RAX: ffffffffffffffda RBX: 0000000000036e80 RCX: 000000000045c1d9 [ 1097.958926][ T5000] RDX: 0000000000000068 RSI: 0000000020000140 RDI: 0000000000000003 [ 1097.966903][ T5000] RBP: 00007f41dd506ca0 R08: 0000000000000000 R09: 0000000000000000 [ 1097.974901][ T5000] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1097.982883][ T5000] R13: 00007ffec653bd1f R14: 00007f41dd5079c0 R15: 000000000078bf0c 02:05:43 executing program 2: perf_event_open(&(0x7f0000000040)={0x0, 0x70}, 0x0, 0x0, 0xffffffffffffffff, 0x0) connect$inet6(0xffffffffffffffff, 0x0, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f000003e000/0x18000)=nil, &(0x7f00000001c0)=[@text16={0x10, &(0x7f00000000c0)="0f20d86635080000000f22d826646726660f38814f7bbad10466b80001c0fe66efea34381100360f408100000f0179b466b8080000000f23d80f21f86635c00000500f23f8660f38f88c0020f3a5640f01ca", 0x52}], 0x1, 0x0, 0x0, 0xfffffef5) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) openat$ptmx(0xffffffffffffff9c, &(0x7f0000000180)='/dev/ptmx\x00', 0x2f606557d6081b8a, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) fcntl$getflags(r0, 0x40a) ioctl$KVM_RUN(r2, 0xae80, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) 02:05:43 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x4, 0x0) 02:05:43 executing program 4 (fault-call:7 fault-nth:0): clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x37d, 0x0) 02:05:43 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="48000000100005e7ffffff000000000000000000", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r5, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000003c40)=ANY=[@ANYBLOB='H\x00\x00\x00,\x00\'\r\x00'/20, @ANYRES32=r5, @ANYBLOB="0000000000000000080000000a0001007273767036"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000007c0)=ANY=[@ANYBLOB="340000002e002989000000030000000000000000", @ANYRES32=r5], 0x34}}, 0x0) 02:05:43 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x5, 0x0) 02:05:43 executing program 2: perf_event_open(&(0x7f0000000040)={0x0, 0x70}, 0x0, 0x0, 0xffffffffffffffff, 0x0) connect$inet6(0xffffffffffffffff, 0x0, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f000003e000/0x18000)=nil, &(0x7f00000001c0)=[@text16={0x10, &(0x7f00000000c0)="0f20d86635080000000f22d826646726660f38814f7bbad10466b80001c0fe66efea34381100360f408100000f0179b466b8080000000f23d80f21f86635c00000500f23f8660f38f88c0020f3a5640f01ca", 0x52}], 0x1, 0x0, 0x0, 0xfffffef5) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) openat$ptmx(0xffffffffffffff9c, &(0x7f0000000180)='/dev/ptmx\x00', 0x2f606557d6081b8a, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f00000002c0)={[0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40c62]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) 02:05:43 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) creat(0x0, 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='upperdir=./file1,lowerdir=./bus,workdir=./file0,metacopy=on']) link(&(0x7f0000000200)='./bus/file1\x00', &(0x7f00000002c0)='./bus/file0\x00') newfstatat(0xffffffffffffff9c, &(0x7f0000000040)='./bus/file0\x00', 0x0, 0x0) 02:05:43 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x37d, 0x0) 02:05:43 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:05:43 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x6, 0x0) 02:05:43 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x2, 0x0) 02:05:43 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="48000000100005e7ffffff000000000000000000", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r5, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000003c40)=ANY=[@ANYBLOB='H\x00\x00\x00,\x00\'\r\x00'/20, @ANYRES32=r5, @ANYBLOB="0000000000000000080000000a0001007273767036"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000007c0)=ANY=[@ANYBLOB="340000002e002989000000050000000000000000", @ANYRES32=r5], 0x34}}, 0x0) 02:05:44 executing program 2: perf_event_open(&(0x7f0000000040)={0x0, 0x70}, 0x0, 0x0, 0xffffffffffffffff, 0x0) connect$inet6(0xffffffffffffffff, 0x0, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f000003e000/0x18000)=nil, &(0x7f00000001c0)=[@text16={0x10, &(0x7f00000000c0)="0f20d86635080000000f22d826646726660f38814f7bbad10466b80001c0fe66efea34381100360f408100000f0179b466b8080000000f23d80f21f86635c00000500f23f8660f38f88c0020f3a5640f01ca", 0x52}], 0x1, 0x0, 0x0, 0xfffffef5) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) openat$ptmx(0xffffffffffffff9c, &(0x7f0000000180)='/dev/ptmx\x00', 0x2f606557d6081b8a, 0x0) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f00000002c0)={[0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40c62]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) 02:05:44 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mkdir(0x0, 0x0) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='upperdir=./file1,lowerdir=./bus,workdir=./file0,metacopy=on']) link(&(0x7f0000000200)='./bus/file1\x00', &(0x7f00000002c0)='./bus/file0\x00') newfstatat(0xffffffffffffff9c, &(0x7f0000000040)='./bus/file0\x00', 0x0, 0x0) [ 1098.879067][ T5080] dlm: Unknown command passed to DLM device : 0 [ 1098.879067][ T5080] 02:05:44 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x7, 0x0) 02:05:44 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="48000000100005e7ffffff000000000000000000", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r5, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000003c40)=ANY=[@ANYBLOB='H\x00\x00\x00,\x00\'\r\x00'/20, @ANYRES32=r5, @ANYBLOB="0000000000000000080000000a0001007273767036"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000007c0)=ANY=[@ANYBLOB="340000002e002989000000060000000000000000", @ANYRES32=r5], 0x34}}, 0x0) 02:05:44 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x5000000, 0x0, 0x0, 0x0, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:05:44 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x3, 0x0) [ 1099.098838][ T5103] overlayfs: failed to resolve './file0': -2 02:05:44 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x8, 0x0) 02:05:44 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mkdir(0x0, 0x0) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='upperdir=./file1,lowerdir=./bus,workdir=./file0,metacopy=on']) link(&(0x7f0000000200)='./bus/file1\x00', &(0x7f00000002c0)='./bus/file0\x00') newfstatat(0xffffffffffffff9c, &(0x7f0000000040)='./bus/file0\x00', 0x0, 0x0) 02:05:44 executing program 2: perf_event_open(&(0x7f0000000040)={0x0, 0x70}, 0x0, 0x0, 0xffffffffffffffff, 0x0) connect$inet6(0xffffffffffffffff, 0x0, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f000003e000/0x18000)=nil, &(0x7f00000001c0)=[@text16={0x10, &(0x7f00000000c0)="0f20d86635080000000f22d826646726660f38814f7bbad10466b80001c0fe66efea34381100360f408100000f0179b466b8080000000f23d80f21f86635c00000500f23f8660f38f88c0020f3a5640f01ca", 0x52}], 0x1, 0x0, 0x0, 0xfffffef5) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) openat$ptmx(0xffffffffffffff9c, &(0x7f0000000180)='/dev/ptmx\x00', 0x2f606557d6081b8a, 0x0) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f00000002c0)={[0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40c62]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) 02:05:44 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000002, 0x0, 0x0, 0x0, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:05:44 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x9, 0x0) 02:05:44 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="48000000100005e7ffffff000000000000000000", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r5, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000003c40)=ANY=[@ANYBLOB='H\x00\x00\x00,\x00\'\r\x00'/20, @ANYRES32=r5, @ANYBLOB="0000000000000000080000000a0001007273767036"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000007c0)=ANY=[@ANYBLOB="340000002e002989000000070000000000000000", @ANYRES32=r5], 0x34}}, 0x0) 02:05:44 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x4, 0x0) [ 1099.404186][ T5138] overlayfs: failed to resolve './file0': -2 02:05:44 executing program 2: perf_event_open(&(0x7f0000000040)={0x0, 0x70}, 0x0, 0x0, 0xffffffffffffffff, 0x0) connect$inet6(0xffffffffffffffff, 0x0, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f000003e000/0x18000)=nil, &(0x7f00000001c0)=[@text16={0x10, &(0x7f00000000c0)="0f20d86635080000000f22d826646726660f38814f7bbad10466b80001c0fe66efea34381100360f408100000f0179b466b8080000000f23d80f21f86635c00000500f23f8660f38f88c0020f3a5640f01ca", 0x52}], 0x1, 0x0, 0x0, 0xfffffef5) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) openat$ptmx(0xffffffffffffff9c, &(0x7f0000000180)='/dev/ptmx\x00', 0x2f606557d6081b8a, 0x0) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f00000002c0)={[0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40c62]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) 02:05:44 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mkdir(0x0, 0x0) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='upperdir=./file1,lowerdir=./bus,workdir=./file0,metacopy=on']) link(&(0x7f0000000200)='./bus/file1\x00', &(0x7f00000002c0)='./bus/file0\x00') newfstatat(0xffffffffffffff9c, &(0x7f0000000040)='./bus/file0\x00', 0x0, 0x0) 02:05:44 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000003, 0x0, 0x0, 0x0, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:05:44 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x5, 0x0) 02:05:44 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0xa, 0x0) 02:05:44 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000004, 0x0, 0x0, 0x0, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) [ 1099.768401][ T5170] overlayfs: failed to resolve './file0': -2 02:05:45 executing program 2: perf_event_open(&(0x7f0000000040)={0x0, 0x70}, 0x0, 0x0, 0xffffffffffffffff, 0x0) connect$inet6(0xffffffffffffffff, 0x0, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f000003e000/0x18000)=nil, &(0x7f00000001c0)=[@text16={0x10, &(0x7f00000000c0)="0f20d86635080000000f22d826646726660f38814f7bbad10466b80001c0fe66efea34381100360f408100000f0179b466b8080000000f23d80f21f86635c00000500f23f8660f38f88c0020f3a5640f01ca", 0x52}], 0x1, 0x0, 0x0, 0xfffffef5) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f00000002c0)={[0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40c62]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) 02:05:45 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="48000000100005e7ffffff000000000000000000", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r5, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000003c40)=ANY=[@ANYBLOB='H\x00\x00\x00,\x00\'\r\x00'/20, @ANYRES32=r5, @ANYBLOB="0000000000000000080000000a0001007273767036"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000007c0)=ANY=[@ANYBLOB="340000002e002989000000090000000000000000", @ANYRES32=r5], 0x34}}, 0x0) 02:05:45 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x6, 0x0) 02:05:45 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) mount$overlay(0x400002, 0x0, &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='upperdir=./file1,lowerdir=./bus,workdir=./file0,metacopy=on']) link(&(0x7f0000000200)='./bus/file1\x00', &(0x7f00000002c0)='./bus/file0\x00') newfstatat(0xffffffffffffff9c, &(0x7f0000000040)='./bus/file0\x00', 0x0, 0x0) 02:05:45 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000005, 0x0, 0x0, 0x0, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:05:45 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0xb, 0x0) [ 1100.129501][ T5205] __nla_validate_parse: 44 callbacks suppressed [ 1100.129512][ T5205] netlink: 16 bytes leftover after parsing attributes in process `syz-executor.5'. 02:05:45 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x7, 0x0) 02:05:45 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) mount$overlay(0x400002, 0x0, &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='upperdir=./file1,lowerdir=./bus,workdir=./file0,metacopy=on']) link(&(0x7f0000000200)='./bus/file1\x00', &(0x7f00000002c0)='./bus/file0\x00') newfstatat(0xffffffffffffff9c, &(0x7f0000000040)='./bus/file0\x00', 0x0, 0x0) [ 1100.195161][ T5196] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 1100.204887][ T5200] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 02:05:45 executing program 2: perf_event_open(&(0x7f0000000040)={0x0, 0x70}, 0x0, 0x0, 0xffffffffffffffff, 0x0) connect$inet6(0xffffffffffffffff, 0x0, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f000003e000/0x18000)=nil, &(0x7f00000001c0)=[@text16={0x10, &(0x7f00000000c0)="0f20d86635080000000f22d826646726660f38814f7bbad10466b80001c0fe66efea34381100360f408100000f0179b466b8080000000f23d80f21f86635c00000500f23f8660f38f88c0020f3a5640f01ca", 0x52}], 0x1, 0x0, 0x0, 0xfffffef5) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f00000002c0)={[0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40c62]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) [ 1100.268065][ T5205] netlink: 16 bytes leftover after parsing attributes in process `syz-executor.5'. 02:05:45 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0xc, 0x0) 02:05:45 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000006, 0x0, 0x0, 0x0, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:05:45 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="48000000100005e7ffffff000000000000000000", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r5, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000003c40)=ANY=[@ANYBLOB='H\x00\x00\x00,\x00\'\r\x00'/20, @ANYRES32=r5, @ANYBLOB="0000000000000000080000000a0001007273767036"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000007c0)=ANY=[@ANYBLOB="340000002e0029890000000a0000000000000000", @ANYRES32=r5], 0x34}}, 0x0) 02:05:45 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x8, 0x0) 02:05:45 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) mount$overlay(0x400002, 0x0, &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='upperdir=./file1,lowerdir=./bus,workdir=./file0,metacopy=on']) link(&(0x7f0000000200)='./bus/file1\x00', &(0x7f00000002c0)='./bus/file0\x00') newfstatat(0xffffffffffffff9c, &(0x7f0000000040)='./bus/file0\x00', 0x0, 0x0) [ 1100.537793][ T5243] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 02:05:45 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000007, 0x0, 0x0, 0x0, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:05:45 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0xd, 0x0) [ 1100.638122][ T5252] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 1100.743717][ T5256] netlink: 16 bytes leftover after parsing attributes in process `syz-executor.5'. [ 1100.774288][ T5249] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 1100.785870][ T5252] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 02:05:46 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x9, 0x0) 02:05:46 executing program 2: perf_event_open(&(0x7f0000000040)={0x0, 0x70}, 0x0, 0x0, 0xffffffffffffffff, 0x0) connect$inet6(0xffffffffffffffff, 0x0, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f000003e000/0x18000)=nil, &(0x7f00000001c0)=[@text16={0x10, &(0x7f00000000c0)="0f20d86635080000000f22d826646726660f38814f7bbad10466b80001c0fe66efea34381100360f408100000f0179b466b8080000000f23d80f21f86635c00000500f23f8660f38f88c0020f3a5640f01ca", 0x52}], 0x1, 0x0, 0x0, 0xfffffef5) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f00000002c0)={[0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40c62]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) 02:05:46 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x600000a, 0x0, 0x0, 0x0, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:05:46 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0xe, 0x0) [ 1100.941239][ T5256] netlink: 16 bytes leftover after parsing attributes in process `syz-executor.5'. 02:05:46 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', 0x0, 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='upperdir=./file1,lowerdir=./bus,workdir=./file0,metacopy=on']) link(&(0x7f0000000200)='./bus/file1\x00', &(0x7f00000002c0)='./bus/file0\x00') newfstatat(0xffffffffffffff9c, &(0x7f0000000040)='./bus/file0\x00', 0x0, 0x0) 02:05:46 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="48000000100005e7ffffff000000000000000000", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r5, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000003c40)=ANY=[@ANYBLOB='H\x00\x00\x00,\x00\'\r\x00'/20, @ANYRES32=r5, @ANYBLOB="0000000000000000080000000a0001007273767036"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000007c0)=ANY=[@ANYBLOB="340000002e0029890000120b0000000000000000", @ANYRES32=r5], 0x34}}, 0x0) 02:05:46 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0xa, 0x0) 02:05:46 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000048, 0x0, 0x0, 0x0, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:05:46 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0xf, 0x0) 02:05:46 executing program 2: perf_event_open(&(0x7f0000000040)={0x0, 0x70}, 0x0, 0x0, 0xffffffffffffffff, 0x0) connect$inet6(0xffffffffffffffff, 0x0, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f000003e000/0x18000)=nil, &(0x7f00000001c0)=[@text16={0x10, &(0x7f00000000c0)="0f20d86635080000000f22d826646726660f38814f7bbad10466b80001c0fe66efea34381100360f408100000f0179b466b8080000000f23d80f21f86635c00000500f23f8660f38f88c0020f3a5640f01ca", 0x52}], 0x1, 0x0, 0x0, 0xfffffef5) openat$ptmx(0xffffffffffffff9c, &(0x7f0000000180)='/dev/ptmx\x00', 0x2f606557d6081b8a, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(0xffffffffffffffff, 0x4090ae82, &(0x7f00000002c0)={[0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40c62]}) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) 02:05:46 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0xb, 0x0) 02:05:46 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x600004c, 0x0, 0x0, 0x0, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:05:46 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', 0x0, 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='upperdir=./file1,lowerdir=./bus,workdir=./file0,metacopy=on']) link(&(0x7f0000000200)='./bus/file1\x00', &(0x7f00000002c0)='./bus/file0\x00') newfstatat(0xffffffffffffff9c, &(0x7f0000000040)='./bus/file0\x00', 0x0, 0x0) 02:05:46 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x10, 0x0) 02:05:46 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="48000000100005e7ffffff000000000000000000", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r5, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000003c40)=ANY=[@ANYBLOB='H\x00\x00\x00,\x00\'\r\x00'/20, @ANYRES32=r5, @ANYBLOB="0000000000000000080000000a0001007273767036"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000007c0)=ANY=[@ANYBLOB="340000002e0029890000130b0000000000000000", @ANYRES32=r5], 0x34}}, 0x0) 02:05:46 executing program 2: perf_event_open(&(0x7f0000000040)={0x0, 0x70}, 0x0, 0x0, 0xffffffffffffffff, 0x0) connect$inet6(0xffffffffffffffff, 0x0, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f000003e000/0x18000)=nil, &(0x7f00000001c0)=[@text16={0x10, &(0x7f00000000c0)="0f20d86635080000000f22d826646726660f38814f7bbad10466b80001c0fe66efea34381100360f408100000f0179b466b8080000000f23d80f21f86635c00000500f23f8660f38f88c0020f3a5640f01ca", 0x52}], 0x1, 0x0, 0x0, 0xfffffef5) openat$ptmx(0xffffffffffffff9c, &(0x7f0000000180)='/dev/ptmx\x00', 0x2f606557d6081b8a, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(0xffffffffffffffff, 0x4090ae82, &(0x7f00000002c0)={[0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40c62]}) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) 02:05:46 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0xc, 0x0) 02:05:46 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000050, 0x0, 0x0, 0x0, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:05:46 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x11, 0x0) 02:05:47 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000060, 0x0, 0x0, 0x0, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:05:47 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', 0x0, 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='upperdir=./file1,lowerdir=./bus,workdir=./file0,metacopy=on']) link(&(0x7f0000000200)='./bus/file1\x00', &(0x7f00000002c0)='./bus/file0\x00') newfstatat(0xffffffffffffff9c, &(0x7f0000000040)='./bus/file0\x00', 0x0, 0x0) 02:05:47 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0xd, 0x0) 02:05:47 executing program 2: perf_event_open(&(0x7f0000000040)={0x0, 0x70}, 0x0, 0x0, 0xffffffffffffffff, 0x0) connect$inet6(0xffffffffffffffff, 0x0, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f000003e000/0x18000)=nil, &(0x7f00000001c0)=[@text16={0x10, &(0x7f00000000c0)="0f20d86635080000000f22d826646726660f38814f7bbad10466b80001c0fe66efea34381100360f408100000f0179b466b8080000000f23d80f21f86635c00000500f23f8660f38f88c0020f3a5640f01ca", 0x52}], 0x1, 0x0, 0x0, 0xfffffef5) openat$ptmx(0xffffffffffffff9c, &(0x7f0000000180)='/dev/ptmx\x00', 0x2f606557d6081b8a, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(0xffffffffffffffff, 0x4090ae82, &(0x7f00000002c0)={[0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40c62]}) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) 02:05:47 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000068, 0x0, 0x0, 0x0, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:05:47 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x12, 0x0) 02:05:47 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="48000000100005e7ffffff000000000000000000", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r5, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000003c40)=ANY=[@ANYBLOB='H\x00\x00\x00,\x00\'\r\x00'/20, @ANYRES32=r5, @ANYBLOB="0000000000000000080000000a0001007273767036"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000007c0)=ANY=[@ANYBLOB="340000002e0029890000000c0000000000000000", @ANYRES32=r5], 0x34}}, 0x0) 02:05:47 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0xe, 0x0) 02:05:47 executing program 2: perf_event_open(&(0x7f0000000040)={0x0, 0x70}, 0x0, 0x0, 0xffffffffffffffff, 0x0) connect$inet6(0xffffffffffffffff, 0x0, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) openat$ptmx(0xffffffffffffff9c, &(0x7f0000000180)='/dev/ptmx\x00', 0x2f606557d6081b8a, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f00000002c0)={[0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40c62]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) 02:05:47 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, 0x0) link(&(0x7f0000000200)='./bus/file1\x00', &(0x7f00000002c0)='./bus/file0\x00') newfstatat(0xffffffffffffff9c, &(0x7f0000000040)='./bus/file0\x00', 0x0, 0x0) 02:05:47 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x600006c, 0x0, 0x0, 0x0, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:05:47 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x13, 0x0) [ 1102.435813][ T5437] overlayfs: missing 'lowerdir' 02:05:47 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0xf, 0x0) 02:05:47 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="48000000100005e7ffffff000000000000000000", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r5, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000003c40)=ANY=[@ANYBLOB='H\x00\x00\x00,\x00\'\r\x00'/20, @ANYRES32=r5, @ANYBLOB="0000000000000000080000000a0001007273767036"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000007c0)=ANY=[@ANYBLOB="340000002e0029890000000e0000000000000000", @ANYRES32=r5], 0x34}}, 0x0) 02:05:47 executing program 2: perf_event_open(&(0x7f0000000040)={0x0, 0x70}, 0x0, 0x0, 0xffffffffffffffff, 0x0) connect$inet6(0xffffffffffffffff, 0x0, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) openat$ptmx(0xffffffffffffff9c, &(0x7f0000000180)='/dev/ptmx\x00', 0x2f606557d6081b8a, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f00000002c0)={[0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40c62]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) 02:05:47 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, 0x0) link(&(0x7f0000000200)='./bus/file1\x00', &(0x7f00000002c0)='./bus/file0\x00') newfstatat(0xffffffffffffff9c, &(0x7f0000000040)='./bus/file0\x00', 0x0, 0x0) 02:05:47 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000074, 0x0, 0x0, 0x0, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:05:47 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x14, 0x0) 02:05:47 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x10, 0x0) 02:05:47 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x600007a, 0x0, 0x0, 0x0, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) [ 1102.786932][ T5472] overlayfs: missing 'lowerdir' 02:05:48 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="48000000100005e7ffffff000000000000000000", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r5, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000003c40)=ANY=[@ANYBLOB='H\x00\x00\x00,\x00\'\r\x00'/20, @ANYRES32=r5, @ANYBLOB="0000000000000000080000000a0001007273767036"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000007c0)=ANY=[@ANYBLOB="340000002e0029890000c00e0000000000000000", @ANYRES32=r5], 0x34}}, 0x0) 02:05:48 executing program 2: perf_event_open(&(0x7f0000000040)={0x0, 0x70}, 0x0, 0x0, 0xffffffffffffffff, 0x0) connect$inet6(0xffffffffffffffff, 0x0, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) openat$ptmx(0xffffffffffffff9c, &(0x7f0000000180)='/dev/ptmx\x00', 0x2f606557d6081b8a, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f00000002c0)={[0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40c62]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) 02:05:48 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, 0x0) link(&(0x7f0000000200)='./bus/file1\x00', &(0x7f00000002c0)='./bus/file0\x00') newfstatat(0xffffffffffffff9c, &(0x7f0000000040)='./bus/file0\x00', 0x0, 0x0) 02:05:48 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x15, 0x0) 02:05:48 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000300, 0x0, 0x0, 0x0, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:05:48 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="48000000100005e7ffffff000000000000000000", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r5, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000003c40)=ANY=[@ANYBLOB='H\x00\x00\x00,\x00\'\r\x00'/20, @ANYRES32=r5, @ANYBLOB="0000000000000000080000000a0001007273767036"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000007c0)=ANY=[@ANYBLOB="340000002e0029890000000f0000000000000000", @ANYRES32=r5], 0x34}}, 0x0) [ 1103.153660][ T5514] overlayfs: missing 'lowerdir' 02:05:48 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x16, 0x0) 02:05:48 executing program 2: perf_event_open(&(0x7f0000000040)={0x0, 0x70}, 0x0, 0x0, 0xffffffffffffffff, 0x0) connect$inet6(0xffffffffffffffff, 0x0, 0x0) openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f000003e000/0x18000)=nil, &(0x7f00000001c0)=[@text16={0x10, &(0x7f00000000c0)="0f20d86635080000000f22d826646726660f38814f7bbad10466b80001c0fe66efea34381100360f408100000f0179b466b8080000000f23d80f21f86635c00000500f23f8660f38f88c0020f3a5640f01ca", 0x52}], 0x1, 0x0, 0x0, 0xfffffef5) r0 = ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) openat$ptmx(0xffffffffffffff9c, &(0x7f0000000180)='/dev/ptmx\x00', 0x2f606557d6081b8a, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(0xffffffffffffffff, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r0, 0x4090ae82, &(0x7f00000002c0)={[0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40c62]}) ioctl$KVM_RUN(r0, 0xae80, 0x0) ioctl$KVM_RUN(r0, 0xae80, 0x0) 02:05:48 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000500, 0x0, 0x0, 0x0, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:05:48 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f00000003c0)=ANY=[]) link(&(0x7f0000000200)='./bus/file1\x00', &(0x7f00000002c0)='./bus/file0\x00') newfstatat(0xffffffffffffff9c, &(0x7f0000000040)='./bus/file0\x00', 0x0, 0x0) [ 1103.509324][ T5549] overlayfs: missing 'lowerdir' 02:05:48 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x11, 0x0) 02:05:48 executing program 2: perf_event_open(&(0x7f0000000040)={0x0, 0x70}, 0x0, 0x0, 0xffffffffffffffff, 0x0) connect$inet6(0xffffffffffffffff, 0x0, 0x0) openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f000003e000/0x18000)=nil, &(0x7f00000001c0)=[@text16={0x10, &(0x7f00000000c0)="0f20d86635080000000f22d826646726660f38814f7bbad10466b80001c0fe66efea34381100360f408100000f0179b466b8080000000f23d80f21f86635c00000500f23f8660f38f88c0020f3a5640f01ca", 0x52}], 0x1, 0x0, 0x0, 0xfffffef5) r0 = ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) openat$ptmx(0xffffffffffffff9c, &(0x7f0000000180)='/dev/ptmx\x00', 0x2f606557d6081b8a, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(0xffffffffffffffff, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r0, 0x4090ae82, &(0x7f00000002c0)={[0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40c62]}) ioctl$KVM_RUN(r0, 0xae80, 0x0) ioctl$KVM_RUN(r0, 0xae80, 0x0) 02:05:48 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x17, 0x0) 02:05:48 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="48000000100005e7ffffff000000000000000000", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r5, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000003c40)=ANY=[@ANYBLOB='H\x00\x00\x00,\x00\'\r\x00'/20, @ANYRES32=r5, @ANYBLOB="0000000000000000080000000a0001007273767036"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000007c0)=ANY=[@ANYBLOB="340000002e00298900000b120000000000000000", @ANYRES32=r5], 0x34}}, 0x0) 02:05:48 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000600, 0x0, 0x0, 0x0, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:05:48 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f00000003c0)=ANY=[]) link(&(0x7f0000000200)='./bus/file1\x00', &(0x7f00000002c0)='./bus/file0\x00') newfstatat(0xffffffffffffff9c, &(0x7f0000000040)='./bus/file0\x00', 0x0, 0x0) [ 1103.777190][ T5561] overlayfs: missing 'lowerdir' 02:05:48 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000700, 0x0, 0x0, 0x0, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:05:49 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x18, 0x0) 02:05:49 executing program 2: perf_event_open(&(0x7f0000000040)={0x0, 0x70}, 0x0, 0x0, 0xffffffffffffffff, 0x0) connect$inet6(0xffffffffffffffff, 0x0, 0x0) openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f000003e000/0x18000)=nil, &(0x7f00000001c0)=[@text16={0x10, &(0x7f00000000c0)="0f20d86635080000000f22d826646726660f38814f7bbad10466b80001c0fe66efea34381100360f408100000f0179b466b8080000000f23d80f21f86635c00000500f23f8660f38f88c0020f3a5640f01ca", 0x52}], 0x1, 0x0, 0x0, 0xfffffef5) r0 = ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) openat$ptmx(0xffffffffffffff9c, &(0x7f0000000180)='/dev/ptmx\x00', 0x2f606557d6081b8a, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(0xffffffffffffffff, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r0, 0x4090ae82, &(0x7f00000002c0)={[0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40c62]}) ioctl$KVM_RUN(r0, 0xae80, 0x0) ioctl$KVM_RUN(r0, 0xae80, 0x0) 02:05:49 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f00000003c0)=ANY=[]) link(&(0x7f0000000200)='./bus/file1\x00', &(0x7f00000002c0)='./bus/file0\x00') newfstatat(0xffffffffffffff9c, &(0x7f0000000040)='./bus/file0\x00', 0x0, 0x0) 02:05:49 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x12, 0x0) 02:05:49 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000a00, 0x0, 0x0, 0x0, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:05:49 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x19, 0x0) 02:05:49 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="48000000100005e7ffffff000000000000000000", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r5, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000003c40)=ANY=[@ANYBLOB='H\x00\x00\x00,\x00\'\r\x00'/20, @ANYRES32=r5, @ANYBLOB="0000000000000000080000000a0001007273767036"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000007c0)=ANY=[@ANYBLOB="340000002e00298900000b130000000000000000", @ANYRES32=r5], 0x34}}, 0x0) [ 1104.119508][ T5600] overlayfs: missing 'lowerdir' 02:05:49 executing program 2: perf_event_open(&(0x7f0000000040)={0x0, 0x70}, 0x0, 0x0, 0xffffffffffffffff, 0x0) connect$inet6(0xffffffffffffffff, 0x0, 0x0) r0 = ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f000003e000/0x18000)=nil, &(0x7f00000001c0)=[@text16={0x10, &(0x7f00000000c0)="0f20d86635080000000f22d826646726660f38814f7bbad10466b80001c0fe66efea34381100360f408100000f0179b466b8080000000f23d80f21f86635c00000500f23f8660f38f88c0020f3a5640f01ca", 0x52}], 0x1, 0x0, 0x0, 0xfffffef5) r1 = ioctl$KVM_CREATE_VCPU(r0, 0xae41, 0x0) openat$ptmx(0xffffffffffffff9c, &(0x7f0000000180)='/dev/ptmx\x00', 0x2f606557d6081b8a, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r0, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r1, 0x4090ae82, &(0x7f00000002c0)={[0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40c62]}) ioctl$KVM_RUN(r1, 0xae80, 0x0) ioctl$KVM_RUN(r1, 0xae80, 0x0) 02:05:49 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB]) link(&(0x7f0000000200)='./bus/file1\x00', &(0x7f00000002c0)='./bus/file0\x00') newfstatat(0xffffffffffffff9c, &(0x7f0000000040)='./bus/file0\x00', 0x0, 0x0) 02:05:49 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x1a, 0x0) 02:05:49 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x13, 0x0) 02:05:49 executing program 2: perf_event_open(&(0x7f0000000040)={0x0, 0x70}, 0x0, 0x0, 0xffffffffffffffff, 0x0) connect$inet6(0xffffffffffffffff, 0x0, 0x0) r0 = ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f000003e000/0x18000)=nil, &(0x7f00000001c0)=[@text16={0x10, &(0x7f00000000c0)="0f20d86635080000000f22d826646726660f38814f7bbad10466b80001c0fe66efea34381100360f408100000f0179b466b8080000000f23d80f21f86635c00000500f23f8660f38f88c0020f3a5640f01ca", 0x52}], 0x1, 0x0, 0x0, 0xfffffef5) r1 = ioctl$KVM_CREATE_VCPU(r0, 0xae41, 0x0) openat$ptmx(0xffffffffffffff9c, &(0x7f0000000180)='/dev/ptmx\x00', 0x2f606557d6081b8a, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r0, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r1, 0x4090ae82, &(0x7f00000002c0)={[0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40c62]}) ioctl$KVM_RUN(r1, 0xae80, 0x0) ioctl$KVM_RUN(r1, 0xae80, 0x0) 02:05:49 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6002000, 0x0, 0x0, 0x0, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) [ 1104.390134][ T5625] overlayfs: missing 'lowerdir' 02:05:49 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x1b, 0x0) 02:05:49 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="48000000100005e7ffffff000000000000000000", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r5, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000003c40)=ANY=[@ANYBLOB='H\x00\x00\x00,\x00\'\r\x00'/20, @ANYRES32=r5, @ANYBLOB="0000000000000000080000000a0001007273767036"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000007c0)=ANY=[@ANYBLOB="340000002e002989000000200000000000000000", @ANYRES32=r5], 0x34}}, 0x0) 02:05:49 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x14, 0x0) 02:05:49 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB]) link(&(0x7f0000000200)='./bus/file1\x00', &(0x7f00000002c0)='./bus/file0\x00') newfstatat(0xffffffffffffff9c, &(0x7f0000000040)='./bus/file0\x00', 0x0, 0x0) 02:05:49 executing program 2: perf_event_open(&(0x7f0000000040)={0x0, 0x70}, 0x0, 0x0, 0xffffffffffffffff, 0x0) connect$inet6(0xffffffffffffffff, 0x0, 0x0) r0 = ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f000003e000/0x18000)=nil, &(0x7f00000001c0)=[@text16={0x10, &(0x7f00000000c0)="0f20d86635080000000f22d826646726660f38814f7bbad10466b80001c0fe66efea34381100360f408100000f0179b466b8080000000f23d80f21f86635c00000500f23f8660f38f88c0020f3a5640f01ca", 0x52}], 0x1, 0x0, 0x0, 0xfffffef5) r1 = ioctl$KVM_CREATE_VCPU(r0, 0xae41, 0x0) openat$ptmx(0xffffffffffffff9c, &(0x7f0000000180)='/dev/ptmx\x00', 0x2f606557d6081b8a, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r0, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r1, 0x4090ae82, &(0x7f00000002c0)={[0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40c62]}) ioctl$KVM_RUN(r1, 0xae80, 0x0) ioctl$KVM_RUN(r1, 0xae80, 0x0) 02:05:49 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6004800, 0x0, 0x0, 0x0, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) [ 1104.850400][ T5654] overlayfs: missing 'lowerdir' 02:05:50 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6004c00, 0x0, 0x0, 0x0, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:05:50 executing program 2: perf_event_open(&(0x7f0000000040)={0x0, 0x70}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f000003e000/0x18000)=nil, &(0x7f00000001c0)=[@text16={0x10, &(0x7f00000000c0)="0f20d86635080000000f22d826646726660f38814f7bbad10466b80001c0fe66efea34381100360f408100000f0179b466b8080000000f23d80f21f86635c00000500f23f8660f38f88c0020f3a5640f01ca", 0x52}], 0x1, 0x0, 0x0, 0xfffffef5) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) openat$ptmx(0xffffffffffffff9c, &(0x7f0000000180)='/dev/ptmx\x00', 0x2f606557d6081b8a, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f00000002c0)={[0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40c62]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) 02:05:50 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB]) link(&(0x7f0000000200)='./bus/file1\x00', &(0x7f00000002c0)='./bus/file0\x00') newfstatat(0xffffffffffffff9c, &(0x7f0000000040)='./bus/file0\x00', 0x0, 0x0) 02:05:50 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x15, 0x0) 02:05:50 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x1c, 0x0) 02:05:50 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="48000000100005e7ffffff000000000000000000", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r5, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000003c40)=ANY=[@ANYBLOB='H\x00\x00\x00,\x00\'\r\x00'/20, @ANYRES32=r5, @ANYBLOB="0000000000000000080000000a0001007273767036"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000007c0)=ANY=[@ANYBLOB="340000002e0029890000003f0000000000000000", @ANYRES32=r5], 0x34}}, 0x0) 02:05:50 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6005000, 0x0, 0x0, 0x0, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) [ 1105.344965][ T5699] __nla_validate_parse: 54 callbacks suppressed [ 1105.344983][ T5699] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 1105.399362][ T5697] overlayfs: missing 'lowerdir' 02:05:50 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x16, 0x0) 02:05:50 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x1d, 0x0) [ 1105.445438][ T5706] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 1105.483309][ T5699] netlink: 16 bytes leftover after parsing attributes in process `syz-executor.5'. [ 1105.535272][ T5702] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 1105.566401][ T5706] netlink: 16 bytes leftover after parsing attributes in process `syz-executor.5'. 02:05:50 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='upperdir=./file1,lowerdir=./bu']) link(&(0x7f0000000200)='./bus/file1\x00', &(0x7f00000002c0)='./bus/file0\x00') newfstatat(0xffffffffffffff9c, &(0x7f0000000040)='./bus/file0\x00', 0x0, 0x0) [ 1105.576687][ T5699] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 02:05:50 executing program 2: perf_event_open(&(0x7f0000000040)={0x0, 0x70}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f000003e000/0x18000)=nil, &(0x7f00000001c0)=[@text16={0x10, &(0x7f00000000c0)="0f20d86635080000000f22d826646726660f38814f7bbad10466b80001c0fe66efea34381100360f408100000f0179b466b8080000000f23d80f21f86635c00000500f23f8660f38f88c0020f3a5640f01ca", 0x52}], 0x1, 0x0, 0x0, 0xfffffef5) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) openat$ptmx(0xffffffffffffff9c, &(0x7f0000000180)='/dev/ptmx\x00', 0x2f606557d6081b8a, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f00000002c0)={[0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40c62]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) 02:05:50 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6006000, 0x0, 0x0, 0x0, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:05:50 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="48000000100005e7ffffff000000000000000000", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r5, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000003c40)=ANY=[@ANYBLOB='H\x00\x00\x00,\x00\'\r\x00'/20, @ANYRES32=r5, @ANYBLOB="0000000000000000080000000a0001007273767036"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000007c0)=ANY=[@ANYBLOB="340000002e002989000000400000000000000000", @ANYRES32=r5], 0x34}}, 0x0) 02:05:50 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x17, 0x0) 02:05:51 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x1e, 0x0) 02:05:51 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6006800, 0x0, 0x0, 0x0, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) [ 1105.852674][ T5736] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 1105.882675][ T5729] overlayfs: missing 'workdir' [ 1105.953700][ T5742] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 02:05:51 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='upperdir=./file1,lowerdir=./bu']) link(&(0x7f0000000200)='./bus/file1\x00', &(0x7f00000002c0)='./bus/file0\x00') newfstatat(0xffffffffffffff9c, &(0x7f0000000040)='./bus/file0\x00', 0x0, 0x0) [ 1106.019916][ T5751] netlink: 16 bytes leftover after parsing attributes in process `syz-executor.5'. [ 1106.063421][ T5736] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 02:05:51 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x21, 0x0) 02:05:51 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x18, 0x0) 02:05:51 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6006c00, 0x0, 0x0, 0x0, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) [ 1106.210320][ T5763] overlayfs: missing 'workdir' 02:05:51 executing program 2: perf_event_open(&(0x7f0000000040)={0x0, 0x70}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f000003e000/0x18000)=nil, &(0x7f00000001c0)=[@text16={0x10, &(0x7f00000000c0)="0f20d86635080000000f22d826646726660f38814f7bbad10466b80001c0fe66efea34381100360f408100000f0179b466b8080000000f23d80f21f86635c00000500f23f8660f38f88c0020f3a5640f01ca", 0x52}], 0x1, 0x0, 0x0, 0xfffffef5) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) openat$ptmx(0xffffffffffffff9c, &(0x7f0000000180)='/dev/ptmx\x00', 0x2f606557d6081b8a, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f00000002c0)={[0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40c62]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) 02:05:51 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="48000000100005e7ffffff000000000000000000", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r5, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000003c40)=ANY=[@ANYBLOB='H\x00\x00\x00,\x00\'\r\x00'/20, @ANYRES32=r5, @ANYBLOB="0000000000000000080000000a0001007273767036"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000007c0)=ANY=[@ANYBLOB="340000002e002989000000480000000000000000", @ANYRES32=r5], 0x34}}, 0x0) 02:05:51 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='upperdir=./file1,lowerdir=./bu']) link(&(0x7f0000000200)='./bus/file1\x00', &(0x7f00000002c0)='./bus/file0\x00') newfstatat(0xffffffffffffff9c, &(0x7f0000000040)='./bus/file0\x00', 0x0, 0x0) 02:05:51 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x19, 0x0) 02:05:51 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x22, 0x0) 02:05:51 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6007400, 0x0, 0x0, 0x0, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) [ 1106.615997][ T5794] overlayfs: missing 'workdir' 02:05:51 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="48000000100005e7ffffff000000000000000000", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r5, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000003c40)=ANY=[@ANYBLOB='H\x00\x00\x00,\x00\'\r\x00'/20, @ANYRES32=r5, @ANYBLOB="0000000000000000080000000a0001007273767036"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000007c0)=ANY=[@ANYBLOB="340000002e0029890000004c0000000000000000", @ANYRES32=r5], 0x34}}, 0x0) 02:05:51 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x1a, 0x0) 02:05:51 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x23, 0x0) 02:05:51 executing program 2: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f000003e000/0x18000)=nil, &(0x7f00000001c0)=[@text16={0x10, &(0x7f00000000c0)="0f20d86635080000000f22d826646726660f38814f7bbad10466b80001c0fe66efea34381100360f408100000f0179b466b8080000000f23d80f21f86635c00000500f23f8660f38f88c0020f3a5640f01ca", 0x52}], 0x1, 0x0, 0x0, 0xfffffef5) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) openat$ptmx(0xffffffffffffff9c, &(0x7f0000000180)='/dev/ptmx\x00', 0x2f606557d6081b8a, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f00000002c0)={[0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40c62]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) 02:05:51 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6007a00, 0x0, 0x0, 0x0, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:05:51 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='upperdir=./file1,lowerdir=./bus,workdir=./fil']) link(&(0x7f0000000200)='./bus/file1\x00', &(0x7f00000002c0)='./bus/file0\x00') newfstatat(0xffffffffffffff9c, &(0x7f0000000040)='./bus/file0\x00', 0x0, 0x0) 02:05:52 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="48000000100005e7ffffff000000000000000000", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r5, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000003c40)=ANY=[@ANYBLOB='H\x00\x00\x00,\x00\'\r\x00'/20, @ANYRES32=r5, @ANYBLOB="0000000000000000080000000a0001007273767036"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000007c0)=ANY=[@ANYBLOB="340000002e002989000065580000000000000000", @ANYRES32=r5], 0x34}}, 0x0) 02:05:52 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x24, 0x0) 02:05:52 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x9000000, 0x0, 0x0, 0x0, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:05:52 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x1b, 0x0) [ 1107.043938][ T5843] overlayfs: failed to resolve './fil': -2 02:05:52 executing program 2: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f000003e000/0x18000)=nil, &(0x7f00000001c0)=[@text16={0x10, &(0x7f00000000c0)="0f20d86635080000000f22d826646726660f38814f7bbad10466b80001c0fe66efea34381100360f408100000f0179b466b8080000000f23d80f21f86635c00000500f23f8660f38f88c0020f3a5640f01ca", 0x52}], 0x1, 0x0, 0x0, 0xfffffef5) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) openat$ptmx(0xffffffffffffff9c, &(0x7f0000000180)='/dev/ptmx\x00', 0x2f606557d6081b8a, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f00000002c0)={[0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40c62]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) 02:05:52 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='upperdir=./file1,lowerdir=./bus,workdir=./fil']) link(&(0x7f0000000200)='./bus/file1\x00', &(0x7f00000002c0)='./bus/file0\x00') newfstatat(0xffffffffffffff9c, &(0x7f0000000040)='./bus/file0\x00', 0x0, 0x0) 02:05:52 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x25, 0x0) 02:05:52 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="48000000100005e7ffffff000000000000000000", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r5, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000003c40)=ANY=[@ANYBLOB='H\x00\x00\x00,\x00\'\r\x00'/20, @ANYRES32=r5, @ANYBLOB="0000000000000000080000000a0001007273767036"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000007c0)=ANY=[@ANYBLOB="340000002e002989000000600000000000000000", @ANYRES32=r5], 0x34}}, 0x0) 02:05:52 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x5d000000, 0x0, 0x0, 0x0, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:05:52 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x1c, 0x0) [ 1107.418584][ T5879] overlayfs: failed to resolve './fil': -2 02:05:52 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='upperdir=./file1,lowerdir=./bus,workdir=./fil']) link(&(0x7f0000000200)='./bus/file1\x00', &(0x7f00000002c0)='./bus/file0\x00') newfstatat(0xffffffffffffff9c, &(0x7f0000000040)='./bus/file0\x00', 0x0, 0x0) 02:05:52 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x26, 0x0) 02:05:52 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x1d, 0x0) 02:05:52 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:05:52 executing program 2: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f000003e000/0x18000)=nil, &(0x7f00000001c0)=[@text16={0x10, &(0x7f00000000c0)="0f20d86635080000000f22d826646726660f38814f7bbad10466b80001c0fe66efea34381100360f408100000f0179b466b8080000000f23d80f21f86635c00000500f23f8660f38f88c0020f3a5640f01ca", 0x52}], 0x1, 0x0, 0x0, 0xfffffef5) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) openat$ptmx(0xffffffffffffff9c, &(0x7f0000000180)='/dev/ptmx\x00', 0x2f606557d6081b8a, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f00000002c0)={[0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40c62]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) 02:05:52 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="48000000100005e7ffffff000000000000000000", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r5, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000003c40)=ANY=[@ANYBLOB='H\x00\x00\x00,\x00\'\r\x00'/20, @ANYRES32=r5, @ANYBLOB="0000000000000000080000000a0001007273767036"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000007c0)=ANY=[@ANYBLOB="340000002e002989000058650000000000000000", @ANYRES32=r5], 0x34}}, 0x0) [ 1107.755580][ T5913] dlm: Unknown command passed to DLM device : 0 [ 1107.755580][ T5913] [ 1107.825564][ T5911] overlayfs: failed to resolve './fil': -2 02:05:53 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x27, 0x0) 02:05:53 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x2, 0x0, 0x0, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:05:53 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x1e, 0x0) 02:05:53 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='upperdir=./file1,lowerdir=./bus,workdir=./file0,meta']) link(&(0x7f0000000200)='./bus/file1\x00', &(0x7f00000002c0)='./bus/file0\x00') newfstatat(0xffffffffffffff9c, &(0x7f0000000040)='./bus/file0\x00', 0x0, 0x0) 02:05:53 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x28, 0x0) 02:05:53 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x3, 0x0, 0x0, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:05:53 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x21, 0x0) 02:05:53 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="48000000100005e7ffffff000000000000000000", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r5, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000003c40)=ANY=[@ANYBLOB='H\x00\x00\x00,\x00\'\r\x00'/20, @ANYRES32=r5, @ANYBLOB="0000000000000000080000000a0001007273767036"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000007c0)=ANY=[@ANYBLOB="340000002e002989000000680000000000000000", @ANYRES32=r5], 0x34}}, 0x0) 02:05:53 executing program 2: perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f000003e000/0x18000)=nil, &(0x7f00000001c0)=[@text16={0x10, &(0x7f00000000c0)="0f20d86635080000000f22d826646726660f38814f7bbad10466b80001c0fe66efea34381100360f408100000f0179b466b8080000000f23d80f21f86635c00000500f23f8660f38f88c0020f3a5640f01ca", 0x52}], 0x1, 0x0, 0x0, 0xfffffef5) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) openat$ptmx(0xffffffffffffff9c, &(0x7f0000000180)='/dev/ptmx\x00', 0x2f606557d6081b8a, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f00000002c0)={[0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40c62]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) [ 1108.265666][ T5961] overlayfs: unrecognized mount option "meta" or missing value 02:05:53 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='upperdir=./file1,lowerdir=./bus,workdir=./file0,meta']) link(&(0x7f0000000200)='./bus/file1\x00', &(0x7f00000002c0)='./bus/file0\x00') newfstatat(0xffffffffffffff9c, &(0x7f0000000040)='./bus/file0\x00', 0x0, 0x0) 02:05:53 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x29, 0x0) 02:05:53 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x4, 0x0, 0x0, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:05:53 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x22, 0x0) 02:05:53 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x2a, 0x0) [ 1108.683138][ T5998] overlayfs: unrecognized mount option "meta" or missing value 02:05:53 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x5, 0x0, 0x0, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:05:53 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="48000000100005e7ffffff000000000000000000", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r5, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000003c40)=ANY=[@ANYBLOB='H\x00\x00\x00,\x00\'\r\x00'/20, @ANYRES32=r5, @ANYBLOB="0000000000000000080000000a0001007273767036"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000007c0)=ANY=[@ANYBLOB="340000002e0029890000006c0000000000000000", @ANYRES32=r5], 0x34}}, 0x0) 02:05:53 executing program 2: perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f000003e000/0x18000)=nil, &(0x7f00000001c0)=[@text16={0x10, &(0x7f00000000c0)="0f20d86635080000000f22d826646726660f38814f7bbad10466b80001c0fe66efea34381100360f408100000f0179b466b8080000000f23d80f21f86635c00000500f23f8660f38f88c0020f3a5640f01ca", 0x52}], 0x1, 0x0, 0x0, 0xfffffef5) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) openat$ptmx(0xffffffffffffff9c, &(0x7f0000000180)='/dev/ptmx\x00', 0x2f606557d6081b8a, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f00000002c0)={[0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40c62]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) 02:05:54 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x23, 0x0) 02:05:54 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='upperdir=./file1,lowerdir=./bus,workdir=./file0,meta']) link(&(0x7f0000000200)='./bus/file1\x00', &(0x7f00000002c0)='./bus/file0\x00') newfstatat(0xffffffffffffff9c, &(0x7f0000000040)='./bus/file0\x00', 0x0, 0x0) 02:05:54 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x2b, 0x0) 02:05:54 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x6, 0x0, 0x0, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:05:54 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x24, 0x0) [ 1109.115682][ T6039] overlayfs: unrecognized mount option "meta" or missing value 02:05:54 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="48000000100005e7ffffff000000000000000000", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r5, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000003c40)=ANY=[@ANYBLOB='H\x00\x00\x00,\x00\'\r\x00'/20, @ANYRES32=r5, @ANYBLOB="0000000000000000080000000a0001007273767036"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000007c0)=ANY=[@ANYBLOB="340000002e002989000000740000000000000000", @ANYRES32=r5], 0x34}}, 0x0) 02:05:54 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='upperdir=./file1,lowerdir=./bus,workdir=./file0,metacopy']) link(&(0x7f0000000200)='./bus/file1\x00', &(0x7f00000002c0)='./bus/file0\x00') newfstatat(0xffffffffffffff9c, &(0x7f0000000040)='./bus/file0\x00', 0x0, 0x0) 02:05:54 executing program 2: perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f000003e000/0x18000)=nil, &(0x7f00000001c0)=[@text16={0x10, &(0x7f00000000c0)="0f20d86635080000000f22d826646726660f38814f7bbad10466b80001c0fe66efea34381100360f408100000f0179b466b8080000000f23d80f21f86635c00000500f23f8660f38f88c0020f3a5640f01ca", 0x52}], 0x1, 0x0, 0x0, 0xfffffef5) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) openat$ptmx(0xffffffffffffff9c, &(0x7f0000000180)='/dev/ptmx\x00', 0x2f606557d6081b8a, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f00000002c0)={[0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40c62]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) 02:05:54 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x2c, 0x0) 02:05:54 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x7, 0x0, 0x0, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:05:54 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x25, 0x0) 02:05:54 executing program 2: perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f000003e000/0x18000)=nil, &(0x7f00000001c0)=[@text16={0x10, &(0x7f00000000c0)="0f20d86635080000000f22d826646726660f38814f7bbad10466b80001c0fe66efea34381100360f408100000f0179b466b8080000000f23d80f21f86635c00000500f23f8660f38f88c0020f3a5640f01ca", 0x52}], 0x1, 0x0, 0x0, 0xfffffef5) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) openat$ptmx(0xffffffffffffff9c, &(0x7f0000000180)='/dev/ptmx\x00', 0x2f606557d6081b8a, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f00000002c0)={[0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40c62]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) [ 1109.567673][ T6074] overlayfs: unrecognized mount option "metacopy" or missing value 02:05:54 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="48000000100005e7ffffff000000000000000000", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r5, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000003c40)=ANY=[@ANYBLOB='H\x00\x00\x00,\x00\'\r\x00'/20, @ANYRES32=r5, @ANYBLOB="0000000000000000080000000a0001007273767036"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000007c0)=ANY=[@ANYBLOB="340000002e0029890000007a0000000000000000", @ANYRES32=r5], 0x34}}, 0x0) 02:05:54 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x2d, 0x0) 02:05:54 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='upperdir=./file1,lowerdir=./bus,workdir=./file0,metacopy']) link(&(0x7f0000000200)='./bus/file1\x00', &(0x7f00000002c0)='./bus/file0\x00') newfstatat(0xffffffffffffff9c, &(0x7f0000000040)='./bus/file0\x00', 0x0, 0x0) 02:05:54 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0xa, 0x0, 0x0, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:05:54 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x26, 0x0) 02:05:55 executing program 2: perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f000003e000/0x18000)=nil, &(0x7f00000001c0)=[@text16={0x10, &(0x7f00000000c0)="0f20d86635080000000f22d826646726660f38814f7bbad10466b80001c0fe66efea34381100360f408100000f0179b466b8080000000f23d80f21f86635c00000500f23f8660f38f88c0020f3a5640f01ca", 0x52}], 0x1, 0x0, 0x0, 0xfffffef5) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) openat$ptmx(0xffffffffffffff9c, &(0x7f0000000180)='/dev/ptmx\x00', 0x2f606557d6081b8a, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f00000002c0)={[0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40c62]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) 02:05:55 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x2e, 0x0) 02:05:55 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x27, 0x0) 02:05:55 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x48, 0x0, 0x0, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:05:55 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="48000000100005e7ffffff000000000000000000", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r5, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000003c40)=ANY=[@ANYBLOB='H\x00\x00\x00,\x00\'\r\x00'/20, @ANYRES32=r5, @ANYBLOB="0000000000000000080000000a0001007273767036"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000007c0)=ANY=[@ANYBLOB="340000002e002989000000810000000000000000", @ANYRES32=r5], 0x34}}, 0x0) [ 1109.971601][ T6116] overlayfs: unrecognized mount option "metacopy" or missing value 02:05:55 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='upperdir=./file1,lowerdir=./bus,workdir=./file0,metacopy']) link(&(0x7f0000000200)='./bus/file1\x00', &(0x7f00000002c0)='./bus/file0\x00') newfstatat(0xffffffffffffff9c, &(0x7f0000000040)='./bus/file0\x00', 0x0, 0x0) 02:05:55 executing program 2: perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r0 = ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f000003e000/0x18000)=nil, &(0x7f00000001c0)=[@text16={0x10, &(0x7f00000000c0)="0f20d86635080000000f22d826646726660f38814f7bbad10466b80001c0fe66efea34381100360f408100000f0179b466b8080000000f23d80f21f86635c00000500f23f8660f38f88c0020f3a5640f01ca", 0x52}], 0x1, 0x0, 0x0, 0xfffffef5) r1 = ioctl$KVM_CREATE_VCPU(r0, 0xae41, 0x0) openat$ptmx(0xffffffffffffff9c, &(0x7f0000000180)='/dev/ptmx\x00', 0x2f606557d6081b8a, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r0, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r1, 0x4090ae82, &(0x7f00000002c0)={[0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40c62]}) ioctl$KVM_RUN(r1, 0xae80, 0x0) ioctl$KVM_RUN(r1, 0xae80, 0x0) 02:05:55 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x28, 0x0) 02:05:55 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x2f, 0x0) 02:05:55 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x4c, 0x0, 0x0, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:05:55 executing program 2: perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r0 = ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f000003e000/0x18000)=nil, &(0x7f00000001c0)=[@text16={0x10, &(0x7f00000000c0)="0f20d86635080000000f22d826646726660f38814f7bbad10466b80001c0fe66efea34381100360f408100000f0179b466b8080000000f23d80f21f86635c00000500f23f8660f38f88c0020f3a5640f01ca", 0x52}], 0x1, 0x0, 0x0, 0xfffffef5) r1 = ioctl$KVM_CREATE_VCPU(r0, 0xae41, 0x0) openat$ptmx(0xffffffffffffff9c, &(0x7f0000000180)='/dev/ptmx\x00', 0x2f606557d6081b8a, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r0, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r1, 0x4090ae82, &(0x7f00000002c0)={[0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40c62]}) ioctl$KVM_RUN(r1, 0xae80, 0x0) ioctl$KVM_RUN(r1, 0xae80, 0x0) 02:05:55 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x29, 0x0) 02:05:55 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="48000000100005e7ffffff000000000000000000", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r5, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000003c40)=ANY=[@ANYBLOB='H\x00\x00\x00,\x00\'\r\x00'/20, @ANYRES32=r5, @ANYBLOB="0000000000000000080000000a0001007273767036"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000007c0)=ANY=[@ANYBLOB="340000002e00298900000ec00000000000000000", @ANYRES32=r5], 0x34}}, 0x0) [ 1110.439174][ T6151] overlayfs: unrecognized mount option "metacopy" or missing value 02:05:55 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x30, 0x0) 02:05:55 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x50, 0x0, 0x0, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:05:55 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='upperdir=./file1,lowerdir=./bus,workdir=./file0,metacopy=o']) link(&(0x7f0000000200)='./bus/file1\x00', &(0x7f00000002c0)='./bus/file0\x00') newfstatat(0xffffffffffffff9c, &(0x7f0000000040)='./bus/file0\x00', 0x0, 0x0) [ 1110.609304][ T6171] __nla_validate_parse: 60 callbacks suppressed [ 1110.609316][ T6171] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 02:05:55 executing program 2: perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r0 = ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f000003e000/0x18000)=nil, &(0x7f00000001c0)=[@text16={0x10, &(0x7f00000000c0)="0f20d86635080000000f22d826646726660f38814f7bbad10466b80001c0fe66efea34381100360f408100000f0179b466b8080000000f23d80f21f86635c00000500f23f8660f38f88c0020f3a5640f01ca", 0x52}], 0x1, 0x0, 0x0, 0xfffffef5) r1 = ioctl$KVM_CREATE_VCPU(r0, 0xae41, 0x0) openat$ptmx(0xffffffffffffff9c, &(0x7f0000000180)='/dev/ptmx\x00', 0x2f606557d6081b8a, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r0, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r1, 0x4090ae82, &(0x7f00000002c0)={[0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40c62]}) ioctl$KVM_RUN(r1, 0xae80, 0x0) ioctl$KVM_RUN(r1, 0xae80, 0x0) 02:05:55 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x2a, 0x0) 02:05:55 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x31, 0x0) [ 1110.727357][ T6186] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 1110.839181][ T6191] netlink: 16 bytes leftover after parsing attributes in process `syz-executor.5'. [ 1110.863467][ T6193] overlayfs: unrecognized mount option "metacopy=o" or missing value [ 1110.875723][ T6181] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 02:05:56 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x60, 0x0, 0x0, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:05:56 executing program 2: perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f000003e000/0x18000)=nil, 0x0, 0x0, 0x0, 0x0, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) openat$ptmx(0xffffffffffffff9c, &(0x7f0000000180)='/dev/ptmx\x00', 0x2f606557d6081b8a, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f00000002c0)={[0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40c62]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) [ 1110.888387][ T6171] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 1110.917696][ T6186] netlink: 16 bytes leftover after parsing attributes in process `syz-executor.5'. 02:05:56 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='upperdir=./file1,lowerdir=./bus,workdir=./file0,metacopy=o']) link(&(0x7f0000000200)='./bus/file1\x00', &(0x7f00000002c0)='./bus/file0\x00') newfstatat(0xffffffffffffff9c, &(0x7f0000000040)='./bus/file0\x00', 0x0, 0x0) 02:05:56 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="48000000100005e7ffffff000000000000000000", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r5, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000003c40)=ANY=[@ANYBLOB='H\x00\x00\x00,\x00\'\r\x00'/20, @ANYRES32=r5, @ANYBLOB="0000000000000000080000000a0001007273767036"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000007c0)=ANY=[@ANYBLOB="340000002e002989000000f00000000000000000", @ANYRES32=r5], 0x34}}, 0x0) 02:05:56 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x2b, 0x0) 02:05:56 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x32, 0x0) 02:05:56 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x68, 0x0, 0x0, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:05:56 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x2c, 0x0) 02:05:56 executing program 2: perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f000003e000/0x18000)=nil, 0x0, 0x0, 0x0, 0x0, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) openat$ptmx(0xffffffffffffff9c, &(0x7f0000000180)='/dev/ptmx\x00', 0x2f606557d6081b8a, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f00000002c0)={[0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40c62]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) [ 1111.265058][ T6227] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 1111.328687][ T6231] overlayfs: unrecognized mount option "metacopy=o" or missing value [ 1111.349919][ T6227] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 02:05:56 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x33, 0x0) [ 1111.394339][ T6235] netlink: 16 bytes leftover after parsing attributes in process `syz-executor.5'. 02:05:56 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='upperdir=./file1,lowerdir=./bus,workdir=./file0,metacopy=o']) link(&(0x7f0000000200)='./bus/file1\x00', &(0x7f00000002c0)='./bus/file0\x00') newfstatat(0xffffffffffffff9c, &(0x7f0000000040)='./bus/file0\x00', 0x0, 0x0) [ 1111.439444][ T6227] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 02:05:56 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x6c, 0x0, 0x0, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:05:56 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x2d, 0x0) 02:05:56 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x34, 0x0) 02:05:56 executing program 2: perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f000003e000/0x18000)=nil, 0x0, 0x0, 0x0, 0x0, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) openat$ptmx(0xffffffffffffff9c, &(0x7f0000000180)='/dev/ptmx\x00', 0x2f606557d6081b8a, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f00000002c0)={[0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40c62]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) 02:05:56 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="48000000100005e7ffffff000000000000000000", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r5, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000003c40)=ANY=[@ANYBLOB='H\x00\x00\x00,\x00\'\r\x00'/20, @ANYRES32=r5, @ANYBLOB="0000000000000000080000000a0001007273767036"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000007c0)=ANY=[@ANYBLOB="340000002e002989000000400300000000000000", @ANYRES32=r5], 0x34}}, 0x0) [ 1111.757651][ T6271] overlayfs: unrecognized mount option "metacopy=o" or missing value 02:05:57 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x74, 0x0, 0x0, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:05:57 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x2e, 0x0) 02:05:57 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='upperdir=./file1,lowerdir=./bus,workdir=./file0,metacopy=on']) link(0x0, &(0x7f00000002c0)='./bus/file0\x00') newfstatat(0xffffffffffffff9c, &(0x7f0000000040)='./bus/file0\x00', 0x0, 0x0) 02:05:57 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x35, 0x0) 02:05:57 executing program 2: perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f000003e000/0x18000)=nil, &(0x7f00000001c0)=[@text16={0x10, 0x0}], 0x1, 0x0, 0x0, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) openat$ptmx(0xffffffffffffff9c, &(0x7f0000000180)='/dev/ptmx\x00', 0x2f606557d6081b8a, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f00000002c0)={[0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40c62]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) 02:05:57 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x7a, 0x0, 0x0, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:05:57 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x2f, 0x0) 02:05:57 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="48000000100005e7ffffff000000000000000000", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r5, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000003c40)=ANY=[@ANYBLOB='H\x00\x00\x00,\x00\'\r\x00'/20, @ANYRES32=r5, @ANYBLOB="0000000000000000080000000a0001007273767036"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000007c0)=ANY=[@ANYBLOB="340000002e002989000014ce0300000000000000", @ANYRES32=r5], 0x34}}, 0x0) 02:05:57 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x36, 0x0) 02:05:57 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x300, 0x0, 0x0, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:05:57 executing program 2: perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f000003e000/0x18000)=nil, &(0x7f00000001c0)=[@text16={0x10, 0x0}], 0x1, 0x0, 0x0, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) openat$ptmx(0xffffffffffffff9c, &(0x7f0000000180)='/dev/ptmx\x00', 0x2f606557d6081b8a, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f00000002c0)={[0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40c62]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) 02:05:57 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x30, 0x0) 02:05:57 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='upperdir=./file1,lowerdir=./bus,workdir=./file0,metacopy=on']) link(0x0, &(0x7f00000002c0)='./bus/file0\x00') newfstatat(0xffffffffffffff9c, &(0x7f0000000040)='./bus/file0\x00', 0x0, 0x0) 02:05:57 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x37, 0x0) 02:05:57 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x500, 0x0, 0x0, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:05:57 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="48000000100005e7ffffff000000000000000000", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r5, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000003c40)=ANY=[@ANYBLOB='H\x00\x00\x00,\x00\'\r\x00'/20, @ANYRES32=r5, @ANYBLOB="0000000000000000080000000a0001007273767036"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000007c0)=ANY=[@ANYBLOB="340000002e002989000000034000000000000000", @ANYRES32=r5], 0x34}}, 0x0) 02:05:57 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x31, 0x0) 02:05:57 executing program 2: perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f000003e000/0x18000)=nil, &(0x7f00000001c0)=[@text16={0x10, 0x0}], 0x1, 0x0, 0x0, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) openat$ptmx(0xffffffffffffff9c, &(0x7f0000000180)='/dev/ptmx\x00', 0x2f606557d6081b8a, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f00000002c0)={[0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40c62]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) 02:05:58 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x38, 0x0) 02:05:58 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x600, 0x0, 0x0, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:05:58 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='upperdir=./file1,lowerdir=./bus,workdir=./file0,metacopy=on']) link(0x0, &(0x7f00000002c0)='./bus/file0\x00') newfstatat(0xffffffffffffff9c, &(0x7f0000000040)='./bus/file0\x00', 0x0, 0x0) 02:05:58 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="48000000100005e7ffffff000000000000000000", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r5, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000003c40)=ANY=[@ANYBLOB='H\x00\x00\x00,\x00\'\r\x00'/20, @ANYRES32=r5, @ANYBLOB="0000000000000000080000000a0001007273767036"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000007c0)=ANY=[@ANYBLOB="340000002e0029890000fffff000000000000000", @ANYRES32=r5], 0x34}}, 0x0) 02:05:58 executing program 2: perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f000003e000/0x18000)=nil, &(0x7f00000001c0)=[@text16={0x10, &(0x7f00000000c0)="0f20d86635080000000f22d826646726660f38814f7bbad10466b80001c0fe66efea34381100360f408100000f0179b466b8080000000f23d80f21f86635c00000500f23f8660f38f88c0020f3a5640f01ca", 0x52}], 0x1, 0x0, 0x0, 0xfffffef5) r2 = ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) openat$ptmx(0xffffffffffffff9c, &(0x7f0000000180)='/dev/ptmx\x00', 0x2f606557d6081b8a, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f00000002c0)={[0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40c62]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) 02:05:58 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x32, 0x0) 02:05:58 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x700, 0x0, 0x0, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:05:58 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x39, 0x0) 02:05:58 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0xa00, 0x0, 0x0, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:05:58 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x33, 0x0) 02:05:58 executing program 2: perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f000003e000/0x18000)=nil, &(0x7f00000001c0)=[@text16={0x10, &(0x7f00000000c0)="0f20d86635080000000f22d826646726660f38814f7bbad10466b80001c0fe66efea34381100360f408100000f0179b466b8080000000f23d80f21f86635c00000500f23f8660f38f88c0020f3a5640f01ca", 0x52}], 0x1, 0x0, 0x0, 0xfffffef5) r2 = ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) openat$ptmx(0xffffffffffffff9c, &(0x7f0000000180)='/dev/ptmx\x00', 0x2f606557d6081b8a, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f00000002c0)={[0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40c62]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) 02:05:58 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="48000000100005e7ffffff000000000000000000", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r5, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000003c40)=ANY=[@ANYBLOB='H\x00\x00\x00,\x00\'\r\x00'/20, @ANYRES32=r5, @ANYBLOB="0000000000000000080000000a0001007273767036"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000007c0)=ANY=[@ANYBLOB="340000002e002989000000000001000000000000", @ANYRES32=r5], 0x34}}, 0x0) 02:05:58 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='upperdir=./file1,lowerdir=./bus,workdir=./file0,metacopy=on']) link(&(0x7f0000000200)='./bus/file1\x00', 0x0) newfstatat(0xffffffffffffff9c, &(0x7f0000000040)='./bus/file0\x00', 0x0, 0x0) 02:05:58 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x3a, 0x0) 02:05:58 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x2000, 0x0, 0x0, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:05:58 executing program 2: perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f000003e000/0x18000)=nil, &(0x7f00000001c0)=[@text16={0x10, &(0x7f00000000c0)="0f20d86635080000000f22d826646726660f38814f7bbad10466b80001c0fe66efea34381100360f408100000f0179b466b8080000000f23d80f21f86635c00000500f23f8660f38f88c0020f3a5640f01ca", 0x52}], 0x1, 0x0, 0x0, 0xfffffef5) r2 = ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) openat$ptmx(0xffffffffffffff9c, &(0x7f0000000180)='/dev/ptmx\x00', 0x2f606557d6081b8a, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f00000002c0)={[0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40c62]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) 02:05:58 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x34, 0x0) 02:05:59 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x3b, 0x0) 02:05:59 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x4800, 0x0, 0x0, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:05:59 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x35, 0x0) 02:05:59 executing program 2: perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f000003e000/0x18000)=nil, &(0x7f00000001c0)=[@text16={0x10, &(0x7f00000000c0)="0f20d86635080000000f22d826646726660f38814f7bbad10466b80001c0fe66efea34381100360f408100000f0179b466b8080000000f23d80f21f86635c00000500f23f8660f38f88c0020f3a5640f01ca", 0x52}], 0x1, 0x0, 0x0, 0xfffffef5) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) openat$ptmx(0xffffffffffffff9c, 0x0, 0x2f606557d6081b8a, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f00000002c0)={[0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40c62]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) 02:05:59 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="48000000100005e7ffffff000000000000000000", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r5, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000003c40)=ANY=[@ANYBLOB='H\x00\x00\x00,\x00\'\r\x00'/20, @ANYRES32=r5, @ANYBLOB="0000000000000000080000000a0001007273767036"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000007c0)=ANY=[@ANYBLOB="340000002e002989000000000002000000000000", @ANYRES32=r5], 0x34}}, 0x0) 02:05:59 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='upperdir=./file1,lowerdir=./bus,workdir=./file0,metacopy=on']) link(&(0x7f0000000200)='./bus/file1\x00', 0x0) newfstatat(0xffffffffffffff9c, &(0x7f0000000040)='./bus/file0\x00', 0x0, 0x0) 02:05:59 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x3c, 0x0) 02:05:59 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x36, 0x0) 02:05:59 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x4c00, 0x0, 0x0, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:05:59 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x5000, 0x0, 0x0, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:05:59 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x37, 0x0) 02:05:59 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x3d, 0x0) 02:05:59 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="48000000100005e7ffffff000000000000000000", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r5, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000003c40)=ANY=[@ANYBLOB='H\x00\x00\x00,\x00\'\r\x00'/20, @ANYRES32=r5, @ANYBLOB="0000000000000000080000000a0001007273767036"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000007c0)=ANY=[@ANYBLOB="340000002e002989000000000003000000000000", @ANYRES32=r5], 0x34}}, 0x0) 02:05:59 executing program 2: perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f000003e000/0x18000)=nil, &(0x7f00000001c0)=[@text16={0x10, &(0x7f00000000c0)="0f20d86635080000000f22d826646726660f38814f7bbad10466b80001c0fe66efea34381100360f408100000f0179b466b8080000000f23d80f21f86635c00000500f23f8660f38f88c0020f3a5640f01ca", 0x52}], 0x1, 0x0, 0x0, 0xfffffef5) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) openat$ptmx(0xffffffffffffff9c, 0x0, 0x2f606557d6081b8a, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f00000002c0)={[0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40c62]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) 02:05:59 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='upperdir=./file1,lowerdir=./bus,workdir=./file0,metacopy=on']) link(&(0x7f0000000200)='./bus/file1\x00', 0x0) newfstatat(0xffffffffffffff9c, &(0x7f0000000040)='./bus/file0\x00', 0x0, 0x0) 02:05:59 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x6000, 0x0, 0x0, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:05:59 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x38, 0x0) 02:05:59 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x3e, 0x0) 02:06:00 executing program 2: perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f000003e000/0x18000)=nil, &(0x7f00000001c0)=[@text16={0x10, &(0x7f00000000c0)="0f20d86635080000000f22d826646726660f38814f7bbad10466b80001c0fe66efea34381100360f408100000f0179b466b8080000000f23d80f21f86635c00000500f23f8660f38f88c0020f3a5640f01ca", 0x52}], 0x1, 0x0, 0x0, 0xfffffef5) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) openat$ptmx(0xffffffffffffff9c, 0x0, 0x2f606557d6081b8a, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f00000002c0)={[0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40c62]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) 02:06:00 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x6800, 0x0, 0x0, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:06:00 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="48000000100005e7ffffff000000000000000000", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r5, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000003c40)=ANY=[@ANYBLOB='H\x00\x00\x00,\x00\'\r\x00'/20, @ANYRES32=r5, @ANYBLOB="0000000000000000080000000a0001007273767036"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000007c0)=ANY=[@ANYBLOB="340000002e002989000000000004000000000000", @ANYRES32=r5], 0x34}}, 0x0) 02:06:00 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x41, 0x0) 02:06:00 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x39, 0x0) 02:06:00 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x6c00, 0x0, 0x0, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:06:00 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='upperdir=./file1,lowerdir=./bus,workdir=./file0,metacopy=on']) link(&(0x7f0000000200)='./bus/file1\x00', &(0x7f00000002c0)='./bus/file0\x00') newfstatat(0xffffffffffffff9c, 0x0, 0x0, 0x0) 02:06:00 executing program 2: perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f000003e000/0x18000)=nil, &(0x7f00000001c0)=[@text16={0x10, &(0x7f00000000c0)="0f20d86635080000000f22d826646726660f38814f7bbad10466b80001c0fe66efea34381100360f408100000f0179b466b8080000000f23d80f21f86635c00000500f23f8660f38f88c0020f3a5640f01ca", 0x52}], 0x1, 0x0, 0x0, 0xfffffef5) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) openat$ptmx(0xffffffffffffff9c, &(0x7f0000000180)='/dev/ptmx\x00', 0x0, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f00000002c0)={[0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40c62]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) 02:06:00 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x42, 0x0) 02:06:00 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x3a, 0x0) 02:06:00 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x7400, 0x0, 0x0, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:06:00 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x43, 0x0) 02:06:00 executing program 2: perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f000003e000/0x18000)=nil, &(0x7f00000001c0)=[@text16={0x10, &(0x7f00000000c0)="0f20d86635080000000f22d826646726660f38814f7bbad10466b80001c0fe66efea34381100360f408100000f0179b466b8080000000f23d80f21f86635c00000500f23f8660f38f88c0020f3a5640f01ca", 0x52}], 0x1, 0x0, 0x0, 0xfffffef5) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) openat$ptmx(0xffffffffffffff9c, &(0x7f0000000180)='/dev/ptmx\x00', 0x0, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f00000002c0)={[0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40c62]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) 02:06:00 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="48000000100005e7ffffff000000000000000000", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r5, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000003c40)=ANY=[@ANYBLOB='H\x00\x00\x00,\x00\'\r\x00'/20, @ANYRES32=r5, @ANYBLOB="0000000000000000080000000a0001007273767036"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000007c0)=ANY=[@ANYBLOB="340000002e002989000000000005000000000000", @ANYRES32=r5], 0x34}}, 0x0) 02:06:00 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x3b, 0x0) 02:06:00 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x7a00, 0x0, 0x0, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:06:00 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='upperdir=./file1,lowerdir=./bus,workdir=./file0,metacopy=on']) link(&(0x7f0000000200)='./bus/file1\x00', &(0x7f00000002c0)='./bus/file0\x00') newfstatat(0xffffffffffffff9c, 0x0, 0x0, 0x0) [ 1115.749466][ T6670] __nla_validate_parse: 50 callbacks suppressed [ 1115.749476][ T6670] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 02:06:01 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x44, 0x0) [ 1115.853789][ T6681] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 02:06:01 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x3c, 0x0) 02:06:01 executing program 2: perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f000003e000/0x18000)=nil, &(0x7f00000001c0)=[@text16={0x10, &(0x7f00000000c0)="0f20d86635080000000f22d826646726660f38814f7bbad10466b80001c0fe66efea34381100360f408100000f0179b466b8080000000f23d80f21f86635c00000500f23f8660f38f88c0020f3a5640f01ca", 0x52}], 0x1, 0x0, 0x0, 0xfffffef5) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) openat$ptmx(0xffffffffffffff9c, &(0x7f0000000180)='/dev/ptmx\x00', 0x0, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(0xffffffffffffffff, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f00000002c0)={[0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40c62]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) 02:06:01 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x1000000, 0x0, 0x0, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) [ 1116.013794][ T6687] netlink: 16 bytes leftover after parsing attributes in process `syz-executor.5'. [ 1116.069553][ T6670] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 1116.079461][ T6677] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 02:06:01 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x45, 0x0) 02:06:01 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x3d, 0x0) [ 1116.222201][ T6681] netlink: 16 bytes leftover after parsing attributes in process `syz-executor.5'. 02:06:01 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x2000000, 0x0, 0x0, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:06:01 executing program 2: perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f000003e000/0x18000)=nil, &(0x7f00000001c0)=[@text16={0x10, &(0x7f00000000c0)="0f20d86635080000000f22d826646726660f38814f7bbad10466b80001c0fe66efea34381100360f408100000f0179b466b8080000000f23d80f21f86635c00000500f23f8660f38f88c0020f3a5640f01ca", 0x52}], 0x1, 0x0, 0x0, 0xfffffef5) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) openat$ptmx(0xffffffffffffff9c, &(0x7f0000000180)='/dev/ptmx\x00', 0x0, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(0xffffffffffffffff, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f00000002c0)={[0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40c62]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) 02:06:01 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="48000000100005e7ffffff000000000000000000", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r5, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000003c40)=ANY=[@ANYBLOB='H\x00\x00\x00,\x00\'\r\x00'/20, @ANYRES32=r5, @ANYBLOB="0000000000000000080000000a0001007273767036"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000007c0)=ANY=[@ANYBLOB="340000002e002989000000000006000000000000", @ANYRES32=r5], 0x34}}, 0x0) 02:06:01 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='upperdir=./file1,lowerdir=./bus,workdir=./file0,metacopy=on']) link(&(0x7f0000000200)='./bus/file1\x00', &(0x7f00000002c0)='./bus/file0\x00') newfstatat(0xffffffffffffff9c, 0x0, 0x0, 0x0) 02:06:01 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x46, 0x0) 02:06:01 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x3e, 0x0) 02:06:01 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x3000000, 0x0, 0x0, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) [ 1116.570180][ T6744] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 1116.669529][ T6760] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 02:06:01 executing program 2: perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f000003e000/0x18000)=nil, &(0x7f00000001c0)=[@text16={0x10, &(0x7f00000000c0)="0f20d86635080000000f22d826646726660f38814f7bbad10466b80001c0fe66efea34381100360f408100000f0179b466b8080000000f23d80f21f86635c00000500f23f8660f38f88c0020f3a5640f01ca", 0x52}], 0x1, 0x0, 0x0, 0xfffffef5) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) openat$ptmx(0xffffffffffffff9c, &(0x7f0000000180)='/dev/ptmx\x00', 0x0, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(0xffffffffffffffff, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f00000002c0)={[0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40c62]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) 02:06:01 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x47, 0x0) [ 1116.744244][ T6765] netlink: 16 bytes leftover after parsing attributes in process `syz-executor.5'. [ 1116.777668][ T6744] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 02:06:02 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x41, 0x0) 02:06:02 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x4000000, 0x0, 0x0, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:06:02 executing program 2: perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f000003e000/0x18000)=nil, &(0x7f00000001c0)=[@text16={0x10, &(0x7f00000000c0)="0f20d86635080000000f22d826646726660f38814f7bbad10466b80001c0fe66efea34381100360f408100000f0179b466b8080000000f23d80f21f86635c00000500f23f8660f38f88c0020f3a5640f01ca", 0x52}], 0x1, 0x0, 0x0, 0xfffffef5) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) openat$ptmx(0xffffffffffffff9c, &(0x7f0000000180)='/dev/ptmx\x00', 0x0, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, 0x0) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f00000002c0)={[0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40c62]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) 02:06:02 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x48, 0x0) 02:06:02 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="48000000100005e7ffffff000000000000000000", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r5, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000003c40)=ANY=[@ANYBLOB='H\x00\x00\x00,\x00\'\r\x00'/20, @ANYRES32=r5, @ANYBLOB="0000000000000000080000000a0001007273767036"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000007c0)=ANY=[@ANYBLOB="340000002e002989000000000007000000000000", @ANYRES32=r5], 0x34}}, 0x0) 02:06:02 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x42, 0x0) 02:06:02 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mkdir(0x0, 0x0) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='upperdir=./file1,lowerdir=./bus,workdir=./file0,metacopy=on']) link(&(0x7f0000000200)='./bus/file1\x00', &(0x7f00000002c0)='./bus/file0\x00') newfstatat(0xffffffffffffff9c, &(0x7f0000000040)='./bus/file0\x00', 0x0, 0x0) 02:06:02 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x5000000, 0x0, 0x0, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:06:02 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x43, 0x0) 02:06:02 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x49, 0x0) 02:06:02 executing program 2: perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f000003e000/0x18000)=nil, &(0x7f00000001c0)=[@text16={0x10, &(0x7f00000000c0)="0f20d86635080000000f22d826646726660f38814f7bbad10466b80001c0fe66efea34381100360f408100000f0179b466b8080000000f23d80f21f86635c00000500f23f8660f38f88c0020f3a5640f01ca", 0x52}], 0x1, 0x0, 0x0, 0xfffffef5) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) openat$ptmx(0xffffffffffffff9c, &(0x7f0000000180)='/dev/ptmx\x00', 0x0, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, 0x0) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f00000002c0)={[0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40c62]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) 02:06:02 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x6000000, 0x0, 0x0, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:06:02 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x44, 0x0) 02:06:02 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="48000000100005e7ffffff000000000000000000", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r5, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000003c40)=ANY=[@ANYBLOB='H\x00\x00\x00,\x00\'\r\x00'/20, @ANYRES32=r5, @ANYBLOB="0000000000000000080000000a0001007273767036"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000007c0)=ANY=[@ANYBLOB="340000002e002989000000000008000000000000", @ANYRES32=r5], 0x34}}, 0x0) 02:06:02 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x4a, 0x0) 02:06:02 executing program 2: perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f000003e000/0x18000)=nil, &(0x7f00000001c0)=[@text16={0x10, &(0x7f00000000c0)="0f20d86635080000000f22d826646726660f38814f7bbad10466b80001c0fe66efea34381100360f408100000f0179b466b8080000000f23d80f21f86635c00000500f23f8660f38f88c0020f3a5640f01ca", 0x52}], 0x1, 0x0, 0x0, 0xfffffef5) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) openat$ptmx(0xffffffffffffff9c, &(0x7f0000000180)='/dev/ptmx\x00', 0x0, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, 0x0) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f00000002c0)={[0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40c62]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) [ 1117.627634][ T6868] overlayfs: failed to resolve './file0': -2 02:06:02 executing program 3: perf_event_open(&(0x7f0000000040)={0x0, 0x70}, 0x0, 0x0, 0xffffffffffffffff, 0x0) connect$inet6(0xffffffffffffffff, 0x0, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f000003e000/0x18000)=nil, &(0x7f00000001c0)=[@text16={0x10, &(0x7f00000000c0)="0f20d86635080000000f22d826646726660f38814f7bbad10466b80001c0fe66efea34381100360f408100000f0179b466b8080000000f23d80f21f86635c00000500f23f8660f38f88c0020f3a5640f01ca", 0x52}], 0x1, 0x0, 0x0, 0xfffffef5) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) openat$ptmx(0xffffffffffffff9c, &(0x7f0000000180)='/dev/ptmx\x00', 0x2f606557d6081b8a, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f00000002c0)={[0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40c62]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) 02:06:02 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x7000000, 0x0, 0x0, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:06:02 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x45, 0x0) 02:06:03 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x4b, 0x0) 02:06:03 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="48000000100005e7ffffff000000000000000000", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r5, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000003c40)=ANY=[@ANYBLOB='H\x00\x00\x00,\x00\'\r\x00'/20, @ANYRES32=r5, @ANYBLOB="0000000000000000080000000a0001007273767036"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000007c0)=ANY=[@ANYBLOB="340000002e002989000000000009000000000000", @ANYRES32=r5], 0x34}}, 0x0) 02:06:03 executing program 2: perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f000003e000/0x18000)=nil, &(0x7f00000001c0)=[@text16={0x10, &(0x7f00000000c0)="0f20d86635080000000f22d826646726660f38814f7bbad10466b80001c0fe66efea34381100360f408100000f0179b466b8080000000f23d80f21f86635c00000500f23f8660f38f88c0020f3a5640f01ca", 0x52}], 0x1, 0x0, 0x0, 0xfffffef5) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) openat$ptmx(0xffffffffffffff9c, &(0x7f0000000180)='/dev/ptmx\x00', 0x0, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(0xffffffffffffffff, 0x4090ae82, &(0x7f00000002c0)={[0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40c62]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) 02:06:03 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x46, 0x0) 02:06:03 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0xa000000, 0x0, 0x0, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:06:03 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x4c, 0x0) 02:06:03 executing program 2: perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f000003e000/0x18000)=nil, &(0x7f00000001c0)=[@text16={0x10, &(0x7f00000000c0)="0f20d86635080000000f22d826646726660f38814f7bbad10466b80001c0fe66efea34381100360f408100000f0179b466b8080000000f23d80f21f86635c00000500f23f8660f38f88c0020f3a5640f01ca", 0x52}], 0x1, 0x0, 0x0, 0xfffffef5) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) openat$ptmx(0xffffffffffffff9c, &(0x7f0000000180)='/dev/ptmx\x00', 0x0, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(0xffffffffffffffff, 0x4090ae82, &(0x7f00000002c0)={[0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40c62]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) 02:06:03 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="48000000100005e7ffffff000000000000000000", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r5, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000003c40)=ANY=[@ANYBLOB='H\x00\x00\x00,\x00\'\r\x00'/20, @ANYRES32=r5, @ANYBLOB="0000000000000000080000000a0001007273767036"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000007c0)=ANY=[@ANYBLOB="340000002e00298900000000000a000000000000", @ANYRES32=r5], 0x34}}, 0x0) 02:06:03 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x47, 0x0) 02:06:03 executing program 3 (fault-call:6 fault-nth:0): mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='upperdir=./file1,lowerdir=./bus,workdir=./file0,metacopy=on']) link(&(0x7f0000000200)='./bus/file1\x00', &(0x7f00000002c0)='./bus/file0\x00') newfstatat(0xffffffffffffff9c, &(0x7f0000000040)='./bus/file0\x00', 0x0, 0x0) 02:06:03 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x4d, 0x0) 02:06:03 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x20000000, 0x0, 0x0, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:06:03 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x48, 0x0) 02:06:03 executing program 2: perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f000003e000/0x18000)=nil, &(0x7f00000001c0)=[@text16={0x10, &(0x7f00000000c0)="0f20d86635080000000f22d826646726660f38814f7bbad10466b80001c0fe66efea34381100360f408100000f0179b466b8080000000f23d80f21f86635c00000500f23f8660f38f88c0020f3a5640f01ca", 0x52}], 0x1, 0x0, 0x0, 0xfffffef5) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) openat$ptmx(0xffffffffffffff9c, &(0x7f0000000180)='/dev/ptmx\x00', 0x0, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(0xffffffffffffffff, 0x4090ae82, &(0x7f00000002c0)={[0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40c62]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) 02:06:03 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x48000000, 0x0, 0x0, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:06:03 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="48000000100005e7ffffff000000000000000000", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r5, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000003c40)=ANY=[@ANYBLOB='H\x00\x00\x00,\x00\'\r\x00'/20, @ANYRES32=r5, @ANYBLOB="0000000000000000080000000a0001007273767036"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000007c0)=ANY=[@ANYBLOB="340000002e00298900000000000c000000000000", @ANYRES32=r5], 0x34}}, 0x0) 02:06:03 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x4e, 0x0) [ 1118.684836][ T6984] FAULT_INJECTION: forcing a failure. [ 1118.684836][ T6984] name failslab, interval 1, probability 0, space 0, times 0 [ 1118.745806][ T6984] CPU: 0 PID: 6984 Comm: syz-executor.3 Not tainted 5.8.0-rc5-syzkaller #0 [ 1118.754421][ T6984] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1118.764481][ T6984] Call Trace: [ 1118.767788][ T6984] dump_stack+0x18f/0x20d [ 1118.772138][ T6984] should_fail.cold+0x5/0x14 [ 1118.776743][ T6984] should_failslab+0x5/0xf [ 1118.781180][ T6984] kmem_cache_alloc+0x2a9/0x3b0 [ 1118.786048][ T6984] getname_flags.part.0+0x50/0x4f0 [ 1118.791190][ T6984] user_path_at_empty+0xa1/0x100 [ 1118.796148][ T6984] vfs_statx+0x14e/0x390 [ 1118.800404][ T6984] ? do_readlinkat+0x2f0/0x2f0 [ 1118.805178][ T6984] ? lock_downgrade+0x820/0x820 [ 1118.810040][ T6984] __do_sys_newfstatat+0x96/0x120 [ 1118.815071][ T6984] ? __do_sys_newlstat+0x110/0x110 [ 1118.820282][ T6984] ? wait_for_completion+0x260/0x260 [ 1118.825580][ T6984] ? vfs_write+0x1b0/0x6b0 [ 1118.830011][ T6984] ? fput_many+0x2f/0x1a0 [ 1118.834351][ T6984] ? ksys_write+0x1a5/0x250 [ 1118.838960][ T6984] ? lock_is_held_type+0xb0/0xe0 [ 1118.843911][ T6984] ? do_syscall_64+0x1c/0xe0 [ 1118.848514][ T6984] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 1118.854511][ T6984] do_syscall_64+0x60/0xe0 [ 1118.858937][ T6984] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1118.864838][ T6984] RIP: 0033:0x45c1d9 [ 1118.868732][ T6984] Code: Bad RIP value. [ 1118.872836][ T6984] RSP: 002b:00007f6a30dd6c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000106 [ 1118.881253][ T6984] RAX: ffffffffffffffda RBX: 000000000001fdc0 RCX: 000000000045c1d9 [ 1118.889222][ T6984] RDX: 0000000000000000 RSI: 0000000020000040 RDI: ffffffffffffff9c [ 1118.897197][ T6984] RBP: 00007f6a30dd6ca0 R08: 0000000000000000 R09: 0000000000000000 [ 1118.905175][ T6984] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 1118.913183][ T6984] R13: 00007ffc5ff0042f R14: 00007f6a30dd79c0 R15: 000000000078bf0c 02:06:04 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="48000000100005e7ffffff000000000000000000", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r5, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000003c40)=ANY=[@ANYBLOB='H\x00\x00\x00,\x00\'\r\x00'/20, @ANYRES32=r5, @ANYBLOB="0000000000000000080000000a0001007273767036"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000007c0)=ANY=[@ANYBLOB="340000002e00298900000000000e000000000000", @ANYRES32=r5], 0x34}}, 0x0) 02:06:04 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x49, 0x0) 02:06:04 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x4c000000, 0x0, 0x0, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:06:04 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x4f, 0x0) 02:06:04 executing program 3 (fault-call:6 fault-nth:1): mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='upperdir=./file1,lowerdir=./bus,workdir=./file0,metacopy=on']) link(&(0x7f0000000200)='./bus/file1\x00', &(0x7f00000002c0)='./bus/file0\x00') newfstatat(0xffffffffffffff9c, &(0x7f0000000040)='./bus/file0\x00', 0x0, 0x0) 02:06:04 executing program 2: perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f000003e000/0x18000)=nil, &(0x7f00000001c0)=[@text16={0x10, &(0x7f00000000c0)="0f20d86635080000000f22d826646726660f38814f7bbad10466b80001c0fe66efea34381100360f408100000f0179b466b8080000000f23d80f21f86635c00000500f23f8660f38f88c0020f3a5640f01ca", 0x52}], 0x1, 0x0, 0x0, 0xfffffef5) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) openat$ptmx(0xffffffffffffff9c, &(0x7f0000000180)='/dev/ptmx\x00', 0x0, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) 02:06:04 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x4a, 0x0) 02:06:04 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x50, 0x0) 02:06:04 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x50000000, 0x0, 0x0, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:06:04 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="48000000100005e7ffffff000000000000000000", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r5, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000003c40)=ANY=[@ANYBLOB='H\x00\x00\x00,\x00\'\r\x00'/20, @ANYRES32=r5, @ANYBLOB="0000000000000000080000000a0001007273767036"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000007c0)=ANY=[@ANYBLOB="340000002e00298900000000000f000000000000", @ANYRES32=r5], 0x34}}, 0x0) 02:06:04 executing program 2: perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f000003e000/0x18000)=nil, &(0x7f00000001c0)=[@text16={0x10, &(0x7f00000000c0)="0f20d86635080000000f22d826646726660f38814f7bbad10466b80001c0fe66efea34381100360f408100000f0179b466b8080000000f23d80f21f86635c00000500f23f8660f38f88c0020f3a5640f01ca", 0x52}], 0x1, 0x0, 0x0, 0xfffffef5) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) openat$ptmx(0xffffffffffffff9c, &(0x7f0000000180)='/dev/ptmx\x00', 0x0, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) 02:06:04 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x4b, 0x0) 02:06:04 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x60000000, 0x0, 0x0, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:06:04 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x51, 0x0) 02:06:04 executing program 2: perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f000003e000/0x18000)=nil, &(0x7f00000001c0)=[@text16={0x10, &(0x7f00000000c0)="0f20d86635080000000f22d826646726660f38814f7bbad10466b80001c0fe66efea34381100360f408100000f0179b466b8080000000f23d80f21f86635c00000500f23f8660f38f88c0020f3a5640f01ca", 0x52}], 0x1, 0x0, 0x0, 0xfffffef5) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) openat$ptmx(0xffffffffffffff9c, &(0x7f0000000180)='/dev/ptmx\x00', 0x0, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) 02:06:04 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x4c, 0x0) 02:06:04 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='upperdir=./file1,lowerdir=./bus,workdir=./file0,metacopy=on']) link(&(0x7f0000000200)='./bus/file1\x00', &(0x7f00000002c0)='./bus/file0\x00') newfstatat(0xffffffffffffff9c, &(0x7f0000000040)='./bus/file0\x00', 0x0, 0x0) 02:06:04 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="48000000100005e7ffffff000000000000000000", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r5, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000003c40)=ANY=[@ANYBLOB='H\x00\x00\x00,\x00\'\r\x00'/20, @ANYRES32=r5, @ANYBLOB="0000000000000000080000000a0001007273767036"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000007c0)=ANY=[@ANYBLOB="340000002e002989000000000010000000000000", @ANYRES32=r5], 0x34}}, 0x0) 02:06:05 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x68000000, 0x0, 0x0, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:06:05 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x52, 0x0) 02:06:05 executing program 2: perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f000003e000/0x18000)=nil, &(0x7f00000001c0)=[@text16={0x10, &(0x7f00000000c0)="0f20d86635080000000f22d826646726660f38814f7bbad10466b80001c0fe66efea34381100360f408100000f0179b466b8080000000f23d80f21f86635c00000500f23f8660f38f88c0020f3a5640f01ca", 0x52}], 0x1, 0x0, 0x0, 0xfffffef5) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) openat$ptmx(0xffffffffffffff9c, &(0x7f0000000180)='/dev/ptmx\x00', 0x0, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f00000002c0)={[0xfffffffffffffffe]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) 02:06:05 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x4d, 0x0) 02:06:05 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x53, 0x0) 02:06:05 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x6c000000, 0x0, 0x0, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:06:05 executing program 2: perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f000003e000/0x18000)=nil, &(0x7f00000001c0)=[@text16={0x10, &(0x7f00000000c0)="0f20d86635080000000f22d826646726660f38814f7bbad10466b80001c0fe66efea34381100360f408100000f0179b466b8080000000f23d80f21f86635c00000500f23f8660f38f88c0020f3a5640f01ca", 0x52}], 0x1, 0x0, 0x0, 0xfffffef5) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) openat$ptmx(0xffffffffffffff9c, &(0x7f0000000180)='/dev/ptmx\x00', 0x0, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f00000002c0)={[0xfffffffffffffffe]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) 02:06:05 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x4e, 0x0) 02:06:05 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="48000000100005e7ffffff000000000000000000", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r5, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000003c40)=ANY=[@ANYBLOB='H\x00\x00\x00,\x00\'\r\x00'/20, @ANYRES32=r5, @ANYBLOB="0000000000000000080000000a0001007273767036"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000007c0)=ANY=[@ANYBLOB="340000002e002989000000000b12000000000000", @ANYRES32=r5], 0x34}}, 0x0) 02:06:05 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x54, 0x0) 02:06:05 executing program 2: perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f000003e000/0x18000)=nil, &(0x7f00000001c0)=[@text16={0x10, &(0x7f00000000c0)="0f20d86635080000000f22d826646726660f38814f7bbad10466b80001c0fe66efea34381100360f408100000f0179b466b8080000000f23d80f21f86635c00000500f23f8660f38f88c0020f3a5640f01ca", 0x52}], 0x1, 0x0, 0x0, 0xfffffef5) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) openat$ptmx(0xffffffffffffff9c, &(0x7f0000000180)='/dev/ptmx\x00', 0x0, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f00000002c0)={[0xfffffffffffffffe]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) 02:06:05 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x4f, 0x0) 02:06:05 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='upperdir=./file1,lowerdir=./bus,workdir=./file0,metacopy=on']) link(&(0x7f0000000200)='./bus/file1\x00', &(0x7f00000002c0)='./bus/file0\x00') newfstatat(0xffffffffffffff9c, &(0x7f0000000040)='./bus/file0\x00', 0x0, 0x2) 02:06:05 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x74000000, 0x0, 0x0, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:06:05 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="48000000100005e7ffffff000000000000000000", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r5, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000003c40)=ANY=[@ANYBLOB='H\x00\x00\x00,\x00\'\r\x00'/20, @ANYRES32=r5, @ANYBLOB="0000000000000000080000000a0001007273767036"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000007c0)=ANY=[@ANYBLOB="340000002e002989000000000b13000000000000", @ANYRES32=r5], 0x34}}, 0x0) 02:06:05 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x55, 0x0) 02:06:06 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x7a000000, 0x0, 0x0, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:06:06 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x50, 0x0) 02:06:06 executing program 2: perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f000003e000/0x18000)=nil, &(0x7f00000001c0)=[@text16={0x10, &(0x7f00000000c0)="0f20d86635080000000f22d826646726660f38814f7bbad10466b80001c0fe66efea34381100360f408100000f0179b466b8080000000f23d80f21f86635c00000500f23f8660f38f88c0020f3a5640f01ca", 0x52}], 0x1, 0x0, 0x0, 0xfffffef5) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) openat$ptmx(0xffffffffffffff9c, &(0x7f0000000180)='/dev/ptmx\x00', 0x0, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f00000002c0)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40c62]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) [ 1120.885076][ T7202] __nla_validate_parse: 56 callbacks suppressed [ 1120.885087][ T7202] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 1120.993946][ T7218] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 02:06:06 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x56, 0x0) 02:06:06 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) [ 1121.117782][ T7226] netlink: 16 bytes leftover after parsing attributes in process `syz-executor.5'. [ 1121.154833][ T7208] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 02:06:06 executing program 2: perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f000003e000/0x18000)=nil, &(0x7f00000001c0)=[@text16={0x10, &(0x7f00000000c0)="0f20d86635080000000f22d826646726660f38814f7bbad10466b80001c0fe66efea34381100360f408100000f0179b466b8080000000f23d80f21f86635c00000500f23f8660f38f88c0020f3a5640f01ca", 0x52}], 0x1, 0x0, 0x0, 0xfffffef5) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) openat$ptmx(0xffffffffffffff9c, &(0x7f0000000180)='/dev/ptmx\x00', 0x0, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f00000002c0)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40c62]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) 02:06:06 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x51, 0x0) [ 1121.165797][ T7202] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 1121.172017][ T7218] netlink: 16 bytes leftover after parsing attributes in process `syz-executor.5'. [ 1121.266830][ T7241] dlm: Unknown command passed to DLM device : 0 [ 1121.266830][ T7241] [ 1121.396463][ T7256] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. 02:06:06 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="48000000100005e7ffffff000000000000000000", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r5, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000003c40)=ANY=[@ANYBLOB='H\x00\x00\x00,\x00\'\r\x00'/20, @ANYRES32=r5, @ANYBLOB="0000000000000000080000000a0001007273767036"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000007c0)=ANY=[@ANYBLOB="340000002e00298900000003ce14000000000000", @ANYRES32=r5], 0x34}}, 0x0) 02:06:06 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x57, 0x0) 02:06:06 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x52, 0x0) 02:06:06 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x2, 0x0, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:06:06 executing program 2: perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f000003e000/0x18000)=nil, &(0x7f00000001c0)=[@text16={0x10, &(0x7f00000000c0)="0f20d86635080000000f22d826646726660f38814f7bbad10466b80001c0fe66efea34381100360f408100000f0179b466b8080000000f23d80f21f86635c00000500f23f8660f38f88c0020f3a5640f01ca", 0x52}], 0x1, 0x0, 0x0, 0xfffffef5) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) openat$ptmx(0xffffffffffffff9c, &(0x7f0000000180)='/dev/ptmx\x00', 0x0, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f00000002c0)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40c62]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) 02:06:06 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='upperdir=./file1,lowerdir=./bus,workdir=./file0,metacopy=on']) link(&(0x7f0000000200)='./bus/file1\x00', &(0x7f00000002c0)='./bus/file0\x00') newfstatat(0xffffffffffffff9c, &(0x7f0000000040)='./bus/file0\x00', 0x0, 0x3) [ 1121.565395][ T7265] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 1121.616648][ T7271] dlm: Unknown command passed to DLM device : 0 [ 1121.616648][ T7271] 02:06:06 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x58, 0x0) [ 1121.668410][ T7281] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 02:06:06 executing program 2: perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f000003e000/0x18000)=nil, &(0x7f00000001c0)=[@text16={0x10, &(0x7f00000000c0)="0f20d86635080000000f22d826646726660f38814f7bbad10466b80001c0fe66efea34381100360f408100000f0179b466b8080000000f23d80f21f86635c00000500f23f8660f38f88c0020f3a5640f01ca", 0x52}], 0x1, 0x0, 0x0, 0xfffffef5) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) openat$ptmx(0xffffffffffffff9c, &(0x7f0000000180)='/dev/ptmx\x00', 0x0, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f00000002c0)={[0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40c62]}) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) 02:06:06 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x53, 0x0) [ 1121.734892][ T7286] netlink: 16 bytes leftover after parsing attributes in process `syz-executor.5'. [ 1121.769336][ T7277] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 02:06:06 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x3, 0x0, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:06:07 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x54, 0x0) 02:06:07 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="48000000100005e7ffffff000000000000000000", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r5, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000003c40)=ANY=[@ANYBLOB='H\x00\x00\x00,\x00\'\r\x00'/20, @ANYRES32=r5, @ANYBLOB="0000000000000000080000000a0001007273767036"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000007c0)=ANY=[@ANYBLOB="340000002e002989000000000020000000000000", @ANYRES32=r5], 0x34}}, 0x0) [ 1122.020354][ T7314] dlm: Unknown command passed to DLM device : 0 [ 1122.020354][ T7314] 02:06:07 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x59, 0x0) 02:06:07 executing program 2: perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f000003e000/0x18000)=nil, &(0x7f00000001c0)=[@text16={0x10, &(0x7f00000000c0)="0f20d86635080000000f22d826646726660f38814f7bbad10466b80001c0fe66efea34381100360f408100000f0179b466b8080000000f23d80f21f86635c00000500f23f8660f38f88c0020f3a5640f01ca", 0x52}], 0x1, 0x0, 0x0, 0xfffffef5) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) openat$ptmx(0xffffffffffffff9c, &(0x7f0000000180)='/dev/ptmx\x00', 0x0, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f00000002c0)={[0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40c62]}) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) 02:06:07 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x55, 0x0) 02:06:07 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x4, 0x0, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) [ 1122.144117][ T7325] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. 02:06:07 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x5a, 0x0) 02:06:07 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='upperdir=./file1,lowerdir=./bus,workdir=./file0,metacopy=on']) link(&(0x7f0000000200)='./bus/file1\x00', &(0x7f00000002c0)='./bus/file0\x00') newfstatat(0xffffffffffffff9c, &(0x7f0000000040)='./bus/file0\x00', 0x0, 0x4) 02:06:07 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="48000000100005e7ffffff000000000000000000", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r5, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000003c40)=ANY=[@ANYBLOB='H\x00\x00\x00,\x00\'\r\x00'/20, @ANYRES32=r5, @ANYBLOB="0000000000000000080000000a0001007273767036"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000007c0)=ANY=[@ANYBLOB="340000002e00298900000000003f000000000000", @ANYRES32=r5], 0x34}}, 0x0) [ 1122.363799][ T7349] dlm: Unknown command passed to DLM device : 0 [ 1122.363799][ T7349] 02:06:07 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x56, 0x0) 02:06:07 executing program 2: perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f000003e000/0x18000)=nil, &(0x7f00000001c0)=[@text16={0x10, &(0x7f00000000c0)="0f20d86635080000000f22d826646726660f38814f7bbad10466b80001c0fe66efea34381100360f408100000f0179b466b8080000000f23d80f21f86635c00000500f23f8660f38f88c0020f3a5640f01ca", 0x52}], 0x1, 0x0, 0x0, 0xfffffef5) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) openat$ptmx(0xffffffffffffff9c, &(0x7f0000000180)='/dev/ptmx\x00', 0x0, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f00000002c0)={[0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40c62]}) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) 02:06:07 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x5b, 0x0) 02:06:07 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x5, 0x0, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:06:07 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x57, 0x0) 02:06:07 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x5c, 0x0) 02:06:07 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="48000000100005e7ffffff000000000000000000", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r5, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000003c40)=ANY=[@ANYBLOB='H\x00\x00\x00,\x00\'\r\x00'/20, @ANYRES32=r5, @ANYBLOB="0000000000000000080000000a0001007273767036"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000007c0)=ANY=[@ANYBLOB="340000002e002989000000000040000000000000", @ANYRES32=r5], 0x34}}, 0x0) 02:06:07 executing program 2: perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f000003e000/0x18000)=nil, &(0x7f00000001c0)=[@text16={0x10, &(0x7f00000000c0)="0f20d86635080000000f22d826646726660f38814f7bbad10466b80001c0fe66efea34381100360f408100000f0179b466b8080000000f23d80f21f86635c00000500f23f8660f38f88c0020f3a5640f01ca", 0x52}], 0x1, 0x0, 0x0, 0xfffffef5) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) openat$ptmx(0xffffffffffffff9c, &(0x7f0000000180)='/dev/ptmx\x00', 0x0, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f00000002c0)={[0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40c62]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) [ 1122.738694][ T7389] dlm: Unknown command passed to DLM device : 0 [ 1122.738694][ T7389] 02:06:08 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x6, 0x0, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) [ 1122.908493][ T7406] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. 02:06:08 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x5d, 0x0) 02:06:08 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='upperdir=./file1,lowerdir=./bus,workdir=./file0,metacopy=on']) link(&(0x7f0000000200)='./bus/file1\x00', &(0x7f00000002c0)='./bus/file0\x00') newfstatat(0xffffffffffffff9c, &(0x7f0000000040)='./bus/file0\x00', 0x0, 0x5) 02:06:08 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x58, 0x0) 02:06:08 executing program 2: perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f000003e000/0x18000)=nil, &(0x7f00000001c0)=[@text16={0x10, &(0x7f00000000c0)="0f20d86635080000000f22d826646726660f38814f7bbad10466b80001c0fe66efea34381100360f408100000f0179b466b8080000000f23d80f21f86635c00000500f23f8660f38f88c0020f3a5640f01ca", 0x52}], 0x1, 0x0, 0x0, 0xfffffef5) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) openat$ptmx(0xffffffffffffff9c, &(0x7f0000000180)='/dev/ptmx\x00', 0x0, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f00000002c0)={[0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40c62]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) 02:06:08 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x7, 0x0, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:06:08 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="48000000100005e7ffffff000000000000000000", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r5, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000003c40)=ANY=[@ANYBLOB='H\x00\x00\x00,\x00\'\r\x00'/20, @ANYRES32=r5, @ANYBLOB="0000000000000000080000000a0001007273767036"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000007c0)=ANY=[@ANYBLOB="340000002e002989000000000048000000000000", @ANYRES32=r5], 0x34}}, 0x0) 02:06:08 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x5e, 0x0) 02:06:08 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x59, 0x0) [ 1123.242438][ T7440] dlm: Unknown command passed to DLM device : 0 [ 1123.242438][ T7440] 02:06:08 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0xa, 0x0, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:06:08 executing program 2: perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f000003e000/0x18000)=nil, &(0x7f00000001c0)=[@text16={0x10, &(0x7f00000000c0)="0f20d86635080000000f22d826646726660f38814f7bbad10466b80001c0fe66efea34381100360f408100000f0179b466b8080000000f23d80f21f86635c00000500f23f8660f38f88c0020f3a5640f01ca", 0x52}], 0x1, 0x0, 0x0, 0xfffffef5) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) openat$ptmx(0xffffffffffffff9c, &(0x7f0000000180)='/dev/ptmx\x00', 0x0, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f00000002c0)={[0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40c62]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) 02:06:08 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x5f, 0x0) [ 1123.491547][ T7466] dlm: Unknown command passed to DLM device : 0 [ 1123.491547][ T7466] 02:06:08 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x5a, 0x0) 02:06:08 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x48, 0x0, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) [ 1123.649956][ T7485] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. 02:06:08 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='upperdir=./file1,lowerdir=./bus,workdir=./file0,metacopy=on']) link(&(0x7f0000000200)='./bus/file1\x00', &(0x7f00000002c0)='./bus/file0\x00') newfstatat(0xffffffffffffff9c, &(0x7f0000000040)='./bus/file0\x00', 0x0, 0x6) 02:06:08 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="48000000100005e7ffffff000000000000000000", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r5, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000003c40)=ANY=[@ANYBLOB='H\x00\x00\x00,\x00\'\r\x00'/20, @ANYRES32=r5, @ANYBLOB="0000000000000000080000000a0001007273767036"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000007c0)=ANY=[@ANYBLOB="340000002e00298900000000004c000000000000", @ANYRES32=r5], 0x34}}, 0x0) 02:06:08 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x60, 0x0) 02:06:08 executing program 2: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='upperdir=./file1,lowerdir=./bus,workdir=./file0,metacopy=on']) link(&(0x7f0000000200)='./bus/file1\x00', &(0x7f00000002c0)='./bus/file0\x00') newfstatat(0xffffffffffffff9c, &(0x7f0000000040)='./bus/file0\x00', 0x0, 0x2) [ 1123.812119][ T7496] dlm: Unknown command passed to DLM device : 0 [ 1123.812119][ T7496] 02:06:09 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x5b, 0x0) 02:06:09 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x4c, 0x0, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:06:09 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x61, 0x0) 02:06:09 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="48000000100005e7ffffff000000000000000000", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r5, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000003c40)=ANY=[@ANYBLOB='H\x00\x00\x00,\x00\'\r\x00'/20, @ANYRES32=r5, @ANYBLOB="0000000000000000080000000a0001007273767036"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000007c0)=ANY=[@ANYBLOB="340000002e002989000000000060000000000000", @ANYRES32=r5], 0x34}}, 0x0) 02:06:09 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x5c, 0x0) [ 1124.151979][ T7522] dlm: Unknown command passed to DLM device : 0 [ 1124.151979][ T7522] 02:06:09 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x50, 0x0, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:06:09 executing program 2: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='upperdir=./file1,lowerdir=./bus,workdir=./file0,metacopy=on']) link(&(0x7f0000000200)='./bus/file1\x00', &(0x7f00000002c0)='./bus/file0\x00') newfstatat(0xffffffffffffff9c, &(0x7f0000000040)='./bus/file0\x00', 0x0, 0x2) 02:06:09 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x62, 0x0) [ 1124.447377][ T7549] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. [ 1124.458855][ T7551] dlm: Unknown command passed to DLM device : 0 [ 1124.458855][ T7551] 02:06:09 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='upperdir=./file1,lowerdir=./bus,workdir=./file0,metacopy=on']) link(&(0x7f0000000200)='./bus/file1\x00', &(0x7f00000002c0)='./bus/file0\x00') newfstatat(0xffffffffffffff9c, &(0x7f0000000040)='./bus/file0\x00', 0x0, 0x7) 02:06:09 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x5d, 0x0) 02:06:09 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="48000000100005e7ffffff000000000000000000", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r5, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000003c40)=ANY=[@ANYBLOB='H\x00\x00\x00,\x00\'\r\x00'/20, @ANYRES32=r5, @ANYBLOB="0000000000000000080000000a0001007273767036"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000007c0)=ANY=[@ANYBLOB="340000002e002989000000005865000000000000", @ANYRES32=r5], 0x34}}, 0x0) 02:06:09 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x63, 0x0) 02:06:09 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x60, 0x0, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:06:09 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x5e, 0x0) [ 1124.818437][ T7582] dlm: Unknown command passed to DLM device : 0 [ 1124.818437][ T7582] 02:06:10 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x64, 0x0) 02:06:10 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="48000000100005e7ffffff000000000000000000", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r5, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000003c40)=ANY=[@ANYBLOB='H\x00\x00\x00,\x00\'\r\x00'/20, @ANYRES32=r5, @ANYBLOB="0000000000000000080000000a0001007273767036"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000007c0)=ANY=[@ANYBLOB="340000002e002989000000000068000000000000", @ANYRES32=r5], 0x34}}, 0x0) 02:06:10 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x68, 0x0, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:06:10 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x5f, 0x0) [ 1125.014306][ T7601] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. 02:06:10 executing program 2: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='upperdir=./file1,lowerdir=./bus,workdir=./file0,metacopy=on']) link(&(0x7f0000000200)='./bus/file1\x00', &(0x7f00000002c0)='./bus/file0\x00') newfstatat(0xffffffffffffff9c, &(0x7f0000000040)='./bus/file0\x00', 0x0, 0x2) 02:06:10 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='upperdir=./file1,lowerdir=./bus,workdir=./file0,metacopy=on']) link(&(0x7f0000000200)='./bus/file1\x00', &(0x7f00000002c0)='./bus/file0\x00') newfstatat(0xffffffffffffff9c, &(0x7f0000000040)='./bus/file0\x00', 0x0, 0x8) [ 1125.139145][ T7610] dlm: Unknown command passed to DLM device : 0 [ 1125.139145][ T7610] 02:06:10 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x65, 0x0) 02:06:10 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x6c, 0x0, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:06:10 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x60, 0x0) 02:06:10 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="48000000100005e7ffffff000000000000000000", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r5, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000003c40)=ANY=[@ANYBLOB='H\x00\x00\x00,\x00\'\r\x00'/20, @ANYRES32=r5, @ANYBLOB="0000000000000000080000000a0001007273767036"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000007c0)=ANY=[@ANYBLOB="340000002e00298900000000006c000000000000", @ANYRES32=r5], 0x34}}, 0x0) [ 1125.463302][ T7638] dlm: Unknown command passed to DLM device : 0 [ 1125.463302][ T7638] 02:06:10 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x66, 0x0) 02:06:10 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x61, 0x0) 02:06:10 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x74, 0x0, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:06:10 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="48000000100005e7ffffff000000000000000000", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r5, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000003c40)=ANY=[@ANYBLOB='H\x00\x00\x00,\x00\'\r\x00'/20, @ANYRES32=r5, @ANYBLOB="0000000000000000080000000a0001007273767036"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000007c0)=ANY=[@ANYBLOB="340000002e002989000000000074000000000000", @ANYRES32=r5], 0x34}}, 0x0) [ 1125.771912][ T7667] dlm: Unknown command passed to DLM device : 0 [ 1125.771912][ T7667] 02:06:11 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x62, 0x0) 02:06:11 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x67, 0x0) [ 1125.841154][ T7668] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. 02:06:11 executing program 2: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='upperdir=./file1,lowerdir=./bus,workdir=./file0,metacopy=on']) link(&(0x7f0000000200)='./bus/file1\x00', &(0x7f00000002c0)='./bus/file0\x00') [ 1125.922903][ T7681] __nla_validate_parse: 56 callbacks suppressed [ 1125.922915][ T7681] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 1126.004437][ T7683] netlink: 16 bytes leftover after parsing attributes in process `syz-executor.5'. [ 1126.041229][ T7675] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 02:06:11 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='upperdir=./file1,lowerdir=./bus,workdir=./file0,metacopy=on']) link(&(0x7f0000000200)='./bus/file1\x00', &(0x7f00000002c0)='./bus/file0\x00') newfstatat(0xffffffffffffff9c, &(0x7f0000000040)='./bus/file0\x00', 0x0, 0xc) 02:06:11 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x7a, 0x0, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:06:11 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x63, 0x0) [ 1126.051151][ T7681] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 02:06:11 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x68, 0x0) [ 1126.193032][ T7683] netlink: 16 bytes leftover after parsing attributes in process `syz-executor.5'. 02:06:11 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="48000000100005e7ffffff000000000000000000", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r5, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000003c40)=ANY=[@ANYBLOB='H\x00\x00\x00,\x00\'\r\x00'/20, @ANYRES32=r5, @ANYBLOB="0000000000000000080000000a0001007273767036"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000007c0)=ANY=[@ANYBLOB="340000002e00298900000000007a000000000000", @ANYRES32=r5], 0x34}}, 0x0) [ 1126.413405][ T7708] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 1126.434325][ T7711] dlm: Unknown command passed to DLM device : 0 [ 1126.434325][ T7711] [ 1126.517824][ T7722] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 1126.551623][ T7719] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. 02:06:11 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x64, 0x0) 02:06:11 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x69, 0x0) 02:06:11 executing program 2: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='upperdir=./file1,lowerdir=./bus,workdir=./file0,metacopy=on']) link(&(0x7f0000000200)='./bus/file1\x00', &(0x7f00000002c0)='./bus/file0\x00') 02:06:11 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x300, 0x0, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) [ 1126.641777][ T7726] netlink: 16 bytes leftover after parsing attributes in process `syz-executor.5'. 02:06:11 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='upperdir=./file1,lowerdir=./bus,workdir=./file0,metacopy=on']) link(&(0x7f0000000200)='./bus/file1\x00', &(0x7f00000002c0)='./bus/file0\x00') newfstatat(0xffffffffffffff9c, &(0x7f0000000040)='./bus/file0\x00', 0x0, 0x12) [ 1126.688951][ T7718] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 1126.699082][ T7708] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 02:06:12 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="48000000100005e7ffffff000000000000000000", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r5, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000003c40)=ANY=[@ANYBLOB='H\x00\x00\x00,\x00\'\r\x00'/20, @ANYRES32=r5, @ANYBLOB="0000000000000000080000000a0001007273767036"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000007c0)=ANY=[@ANYBLOB="340000002e0029890000c2787480000000000000", @ANYRES32=r5], 0x34}}, 0x0) 02:06:12 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x65, 0x0) [ 1126.798316][ T7740] dlm: Unknown command passed to DLM device : 0 [ 1126.798316][ T7740] 02:06:12 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x6a, 0x0) 02:06:12 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x500, 0x0, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:06:12 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x66, 0x0) 02:06:12 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x6b, 0x0) [ 1127.177247][ T7773] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. 02:06:12 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x600, 0x0, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:06:12 executing program 2: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='upperdir=./file1,lowerdir=./bus,workdir=./file0,metacopy=on']) link(&(0x7f0000000200)='./bus/file1\x00', &(0x7f00000002c0)='./bus/file0\x00') 02:06:12 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="48000000100005e7ffffff000000000000000000", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r5, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000003c40)=ANY=[@ANYBLOB='H\x00\x00\x00,\x00\'\r\x00'/20, @ANYRES32=r5, @ANYBLOB="0000000000000000080000000a0001007273767036"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000007c0)=ANY=[@ANYBLOB="340000002e002989000000000081000000000000", @ANYRES32=r5], 0x34}}, 0x0) [ 1127.453482][ T7795] dlm: Unknown command passed to DLM device : 0 [ 1127.453482][ T7795] 02:06:12 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='upperdir=./file1,lowerdir=./bus,workdir=./file0,metacopy=on']) link(&(0x7f0000000200)='./bus/file1\x00', &(0x7f00000002c0)='./bus/file0\x00') newfstatat(0xffffffffffffff9c, &(0x7f0000000040)='./bus/file0\x00', 0x0, 0x2f) 02:06:12 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x67, 0x0) 02:06:12 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x6c, 0x0) 02:06:12 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x700, 0x0, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) [ 1127.811162][ T7824] dlm: Unknown command passed to DLM device : 0 [ 1127.811162][ T7824] 02:06:13 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x6d, 0x0) 02:06:13 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x68, 0x0) 02:06:13 executing program 2: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) link(&(0x7f0000000200)='./bus/file1\x00', &(0x7f00000002c0)='./bus/file0\x00') [ 1127.990090][ T7837] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. 02:06:13 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0xa00, 0x0, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:06:13 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="48000000100005e7ffffff000000000000000000", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r5, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000003c40)=ANY=[@ANYBLOB='H\x00\x00\x00,\x00\'\r\x00'/20, @ANYRES32=r5, @ANYBLOB="0000000000000000080000000a0001007273767036"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000007c0)=ANY=[@ANYBLOB="340000002e0029890000ffffa888000000000000", @ANYRES32=r5], 0x34}}, 0x0) 02:06:13 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='upperdir=./file1,lowerdir=./bus,workdir=./file0,metacopy=on']) link(&(0x7f0000000200)='./bus/file1\x00', &(0x7f00000002c0)='./bus/file0\x00') newfstatat(0xffffffffffffff9c, &(0x7f0000000040)='./bus/file0\x00', 0x0, 0x48) 02:06:13 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x69, 0x0) [ 1128.195994][ T7850] dlm: Unknown command passed to DLM device : 0 [ 1128.195994][ T7850] 02:06:13 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x6e, 0x0) 02:06:13 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x2000, 0x0, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:06:13 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x6a, 0x0) 02:06:13 executing program 2: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) link(&(0x7f0000000200)='./bus/file1\x00', &(0x7f00000002c0)='./bus/file0\x00') 02:06:13 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x6f, 0x0) [ 1128.541354][ T7881] dlm: Unknown command passed to DLM device : 0 [ 1128.541354][ T7881] 02:06:13 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="48000000100005e7ffffff000000000000000000", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r5, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000003c40)=ANY=[@ANYBLOB='H\x00\x00\x00,\x00\'\r\x00'/20, @ANYRES32=r5, @ANYBLOB="0000000000000000080000000a0001007273767036"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000007c0)=ANY=[@ANYBLOB="340000002e0029890000ffffff9e000000000000", @ANYRES32=r5], 0x34}}, 0x0) [ 1128.588889][ T7883] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. 02:06:13 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x4800, 0x0, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:06:13 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='upperdir=./file1,lowerdir=./bus,workdir=./file0,metacopy=on']) link(&(0x7f0000000200)='./bus/file1\x00', &(0x7f00000002c0)='./bus/file0\x00') newfstatat(0xffffffffffffff9c, &(0x7f0000000040)='./bus/file0\x00', 0x0, 0x4c) 02:06:13 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x6b, 0x0) 02:06:14 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x70, 0x0) 02:06:14 executing program 2: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) link(&(0x7f0000000200)='./bus/file1\x00', &(0x7f00000002c0)='./bus/file0\x00') [ 1128.830121][ T7906] dlm: Unknown command passed to DLM device : 0 [ 1128.830121][ T7906] 02:06:14 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="48000000100005e7ffffff000000000000000000", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r5, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000003c40)=ANY=[@ANYBLOB='H\x00\x00\x00,\x00\'\r\x00'/20, @ANYRES32=r5, @ANYBLOB="0000000000000000080000000a0001007273767036"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000007c0)=ANY=[@ANYBLOB="340000002e002989000000000ec0000000000000", @ANYRES32=r5], 0x34}}, 0x0) 02:06:14 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x4c00, 0x0, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:06:14 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x6c, 0x0) 02:06:14 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x71, 0x0) 02:06:14 executing program 2: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='upperdir=./file1,lowerdir=./bus,workdir=./file0,metacopy=on']) link(&(0x7f0000000200)='./bus/file1\x00', &(0x7f00000002c0)='./bus/file0\x00') [ 1129.185096][ T7934] dlm: Unknown command passed to DLM device : 0 [ 1129.185096][ T7934] 02:06:14 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="48000000100005e7ffffff000000000000000000", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r5, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000003c40)=ANY=[@ANYBLOB='H\x00\x00\x00,\x00\'\r\x00'/20, @ANYRES32=r5, @ANYBLOB="0000000000000000080000000a0001007273767036"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000007c0)=ANY=[@ANYBLOB="340000002e0029890000807478c2000000000000", @ANYRES32=r5], 0x34}}, 0x0) 02:06:14 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x6d, 0x0) 02:06:14 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x5000, 0x0, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) [ 1129.390300][ T7952] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. [ 1129.450054][ T7956] overlayfs: failed to resolve './file0': -2 [ 1129.562228][ T7967] dlm: Unknown command passed to DLM device : 0 [ 1129.562228][ T7967] 02:06:14 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='upperdir=./file1,lowerdir=./bus,workdir=./file0,metacopy=on']) link(&(0x7f0000000200)='./bus/file1\x00', &(0x7f00000002c0)='./bus/file0\x00') newfstatat(0xffffffffffffff9c, &(0x7f0000000040)='./bus/file0\x00', 0x0, 0x68) 02:06:14 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x72, 0x0) 02:06:14 executing program 2: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='upperdir=./file1,lowerdir=./bus,workdir=./file0,metacopy=on']) link(&(0x7f0000000200)='./bus/file1\x00', &(0x7f00000002c0)='./bus/file0\x00') 02:06:14 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x6e, 0x0) 02:06:14 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x6000, 0x0, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) [ 1129.787306][ T7985] overlayfs: failed to resolve './file0': -2 02:06:15 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x73, 0x0) 02:06:15 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="48000000100005e7ffffff000000000000000000", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r5, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000003c40)=ANY=[@ANYBLOB='H\x00\x00\x00,\x00\'\r\x00'/20, @ANYRES32=r5, @ANYBLOB="0000000000000000080000000a0001007273767036"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000007c0)=ANY=[@ANYBLOB="340000002e0029890000fffffff0000000000000", @ANYRES32=r5], 0x34}}, 0x0) [ 1129.848725][ T7995] dlm: Unknown command passed to DLM device : 0 [ 1129.848725][ T7995] 02:06:15 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x6f, 0x0) 02:06:15 executing program 2: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='upperdir=./file1,lowerdir=./bus,workdir=./file0,metacopy=on']) link(&(0x7f0000000200)='./bus/file1\x00', &(0x7f00000002c0)='./bus/file0\x00') 02:06:15 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x6800, 0x0, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:06:15 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x74, 0x0) [ 1130.130459][ T8015] overlayfs: failed to resolve './file0': -2 [ 1130.141015][ T8021] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. [ 1130.179584][ T8023] dlm: Unknown command passed to DLM device : 0 [ 1130.179584][ T8023] 02:06:15 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x70, 0x0) 02:06:15 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='upperdir=./file1,lowerdir=./bus,workdir=./file0,metacopy=on']) link(&(0x7f0000000200)='./bus/file1\x00', &(0x7f00000002c0)='./bus/file0\x00') newfstatat(0xffffffffffffff9c, &(0x7f0000000040)='./bus/file0\x00', 0x0, 0x6c) 02:06:15 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="48000000100005e7ffffff000000000000000000", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r5, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000003c40)=ANY=[@ANYBLOB='H\x00\x00\x00,\x00\'\r\x00'/20, @ANYRES32=r5, @ANYBLOB="0000000000000000080000000a0001007273767036"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000007c0)=ANY=[@ANYBLOB="340000002e002989000088a8ffff000000000000", @ANYRES32=r5], 0x34}}, 0x0) 02:06:15 executing program 2: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='upperdir=./file1,lowerdir=./bus,workdir=./file0,metacopy=on']) link(&(0x7f0000000200)='./bus/file1\x00', &(0x7f00000002c0)='./bus/file0\x00') 02:06:15 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x6c00, 0x0, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:06:15 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x75, 0x0) [ 1130.475583][ T8045] dlm: Unknown command passed to DLM device : 0 [ 1130.475583][ T8045] 02:06:15 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x71, 0x0) 02:06:15 executing program 2: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='upperdir=./file1,lowerdir=./bus,workdir=./file0,metacopy=on']) link(&(0x7f0000000200)='./bus/file1\x00', &(0x7f00000002c0)='./bus/file0\x00') 02:06:15 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x7400, 0x0, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:06:15 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="48000000100005e7ffffff000000000000000000", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r5, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000003c40)=ANY=[@ANYBLOB='H\x00\x00\x00,\x00\'\r\x00'/20, @ANYRES32=r5, @ANYBLOB="0000000000000000080000000a0001007273767036"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000007c0)=ANY=[@ANYBLOB="340000002e002989000000f0ffff000000000000", @ANYRES32=r5], 0x34}}, 0x0) 02:06:15 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x76, 0x0) [ 1130.812710][ T8069] dlm: Unknown command passed to DLM device : 0 [ 1130.812710][ T8069] 02:06:16 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x72, 0x0) [ 1130.863411][ T8073] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. 02:06:16 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x7a00, 0x0, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) [ 1130.962515][ T8089] __nla_validate_parse: 49 callbacks suppressed [ 1130.962526][ T8089] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 1131.027426][ T8090] netlink: 16 bytes leftover after parsing attributes in process `syz-executor.5'. 02:06:16 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='upperdir=./file1,lowerdir=./bus,workdir=./file0,metacopy=on']) link(&(0x7f0000000200)='./bus/file1\x00', &(0x7f00000002c0)='./bus/file0\x00') newfstatat(0xffffffffffffff9c, &(0x7f0000000040)='./bus/file0\x00', 0x0, 0x74) 02:06:16 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x77, 0x0) [ 1131.103123][ T8075] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 1131.115700][ T8080] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 1131.151315][ T8099] dlm: Unknown command passed to DLM device : 0 [ 1131.151315][ T8099] 02:06:16 executing program 2: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='upperdir=./file1,lowerdir=./bus,workdir=./file0,metacopy=on']) link(&(0x7f0000000200)='./bus/file1\x00', &(0x7f00000002c0)='./bus/file0\x00') 02:06:16 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x73, 0x0) [ 1131.287484][ T8089] netlink: 16 bytes leftover after parsing attributes in process `syz-executor.5'. 02:06:16 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:06:16 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="48000000100005e7ffffff000000000000000000", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r5, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000003c40)=ANY=[@ANYBLOB='H\x00\x00\x00,\x00\'\r\x00'/20, @ANYRES32=r5, @ANYBLOB="0000000000000000080000000a0001007273767036"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000007c0)=ANY=[@ANYBLOB="340000002e00298900007fffffff000000000000", @ANYRES32=r5], 0x34}}, 0x0) 02:06:16 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x78, 0x0) 02:06:16 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x2, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:06:16 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x74, 0x0) [ 1131.529075][ T8130] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 1131.633824][ T8139] dlm: Unknown command passed to DLM device : 0 [ 1131.633824][ T8139] [ 1131.636944][ T8140] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 02:06:16 executing program 2: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='upperdir=./file1,lowerdir=./bus,workdir=./file0,metacopy=on']) link(&(0x7f0000000200)='./bus/file1\x00', &(0x7f00000002c0)='./bus/file0\x00') [ 1131.690758][ T8144] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. 02:06:16 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x79, 0x0) 02:06:17 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x3, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) [ 1131.781248][ T8148] netlink: 16 bytes leftover after parsing attributes in process `syz-executor.5'. [ 1131.811017][ T8135] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 02:06:17 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='upperdir=./file1,lowerdir=./bus,workdir=./file0,metacopy=on']) link(&(0x7f0000000200)='./bus/file1\x00', &(0x7f00000002c0)='./bus/file0\x00') newfstatat(0xffffffffffffff9c, &(0x7f0000000040)='./bus/file0\x00', 0x0, 0x7a) 02:06:17 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x75, 0x0) [ 1131.865927][ T8130] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 1131.982048][ T8162] dlm: Unknown command passed to DLM device : 0 [ 1131.982048][ T8162] 02:06:17 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="48000000100005e7ffffff000000000000000000", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r5, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000003c40)=ANY=[@ANYBLOB='H\x00\x00\x00,\x00\'\r\x00'/20, @ANYRES32=r5, @ANYBLOB="0000000000000000080000000a0001007273767036"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000007c0)=ANY=[@ANYBLOB="340000002e00298900009effffff000000000000", @ANYRES32=r5], 0x34}}, 0x0) 02:06:17 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x76, 0x0) 02:06:17 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x4, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:06:17 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x7a, 0x0) 02:06:17 executing program 2: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='upperdir=./file1,lowerdir=./bus,workdir=./file0,metacopy=on']) link(&(0x7f0000000200)='./bus/file1\x00', &(0x7f00000002c0)='./bus/file0\x00') [ 1132.277151][ T8191] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. [ 1132.296648][ T8189] dlm: Unknown command passed to DLM device : 0 [ 1132.296648][ T8189] 02:06:17 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x7b, 0x0) 02:06:17 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x77, 0x0) 02:06:17 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x5, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:06:17 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='upperdir=./file1,lowerdir=./bus,workdir=./file0,metacopy=on']) link(&(0x7f0000000200)='./bus/file1\x00', &(0x7f00000002c0)='./bus/file0\x00') newfstatat(0xffffffffffffff9c, &(0x7f0000000040)='./bus/file0\x00', 0x0, 0xf0) 02:06:17 executing program 2: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='upperdir=./file1,lowerdir=./bus,workdir=./file0,metacopy=on']) link(&(0x7f0000000200)='./bus/file1\x00', &(0x7f00000002c0)='./bus/file0\x00') 02:06:17 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="48000000100005e7ffffff000000000000000000", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r5, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000003c40)=ANY=[@ANYBLOB='H\x00\x00\x00,\x00\'\r\x00'/20, @ANYRES32=r5, @ANYBLOB="0000000000000000080000000a0001007273767036"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000007c0)=ANY=[@ANYBLOB="340000002e0029890000f0ffffff000000000000", @ANYRES32=r5], 0x34}}, 0x0) [ 1132.630929][ T8219] dlm: Unknown command passed to DLM device : 0 [ 1132.630929][ T8219] 02:06:17 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x78, 0x0) 02:06:17 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x7c, 0x0) 02:06:17 executing program 2: mkdir(&(0x7f0000000300)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='upperdir=./file1,lowerdir=./bus,workdir=./file0,metacopy=on']) link(&(0x7f0000000200)='./bus/file1\x00', &(0x7f00000002c0)='./bus/file0\x00') 02:06:17 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x6, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:06:18 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="48000000100005e7ffffff000000000000000000", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r5, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000003c40)=ANY=[@ANYBLOB='H\x00\x00\x00,\x00\'\r\x00'/20, @ANYRES32=r5, @ANYBLOB="0000000000000000080000000a0001007273767036"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000007c0)=ANY=[@ANYBLOB="340000002e002989000000000000000340000000", @ANYRES32=r5], 0x34}}, 0x0) [ 1132.965215][ T8258] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. [ 1133.001999][ T8256] overlayfs: failed to resolve './file1': -2 02:06:18 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x79, 0x0) 02:06:18 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x7d, 0x0) [ 1133.043538][ T8259] dlm: Unknown command passed to DLM device : 0 [ 1133.043538][ T8259] 02:06:18 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='upperdir=./file1,lowerdir=./bus,workdir=./file0,metacopy=on']) link(&(0x7f0000000200)='./bus/file1\x00', &(0x7f00000002c0)='./bus/file0\x00') newfstatat(0xffffffffffffff9c, &(0x7f0000000040)='./bus/file0\x00', 0x0, 0x300) 02:06:18 executing program 2: mkdir(&(0x7f0000000300)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='upperdir=./file1,lowerdir=./bus,workdir=./file0,metacopy=on']) link(&(0x7f0000000200)='./bus/file1\x00', &(0x7f00000002c0)='./bus/file0\x00') 02:06:18 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x7, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:06:18 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x7e, 0x0) [ 1133.337234][ T8284] overlayfs: failed to resolve './file1': -2 [ 1133.372560][ T8286] dlm: Unknown command passed to DLM device : 0 [ 1133.372560][ T8286] 02:06:18 executing program 2: mkdir(&(0x7f0000000300)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='upperdir=./file1,lowerdir=./bus,workdir=./file0,metacopy=on']) link(&(0x7f0000000200)='./bus/file1\x00', &(0x7f00000002c0)='./bus/file0\x00') 02:06:18 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="48000000100005e7ffffff000000000000000000", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r5, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000003c40)=ANY=[@ANYBLOB='H\x00\x00\x00,\x00\'\r\x00'/20, @ANYRES32=r5, @ANYBLOB="0000000000000000080000000a0001007273767036"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000007c0)=ANY=[@ANYBLOB="340000002e0029890000fffffffffffff0000000", @ANYRES32=r5], 0x34}}, 0x0) 02:06:18 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x7a, 0x0) 02:06:18 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0xa, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:06:18 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x82, 0x0) [ 1133.629642][ T8304] overlayfs: failed to resolve './file1': -2 [ 1133.652176][ T8313] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. 02:06:18 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x7b, 0x0) [ 1133.698534][ T8314] dlm: Unknown command passed to DLM device : 0 [ 1133.698534][ T8314] 02:06:18 executing program 2: mkdir(0x0, 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='upperdir=./file1,lowerdir=./bus,workdir=./file0,metacopy=on']) link(&(0x7f0000000200)='./bus/file1\x00', &(0x7f00000002c0)='./bus/file0\x00') 02:06:18 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='upperdir=./file1,lowerdir=./bus,workdir=./file0,metacopy=on']) link(&(0x7f0000000200)='./bus/file1\x00', &(0x7f00000002c0)='./bus/file0\x00') newfstatat(0xffffffffffffff9c, &(0x7f0000000040)='./bus/file0\x00', 0x0, 0x500) 02:06:19 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="48000000100005e7ffffff000000000000000000", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r5, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000003c40)=ANY=[@ANYBLOB='H\x00\x00\x00,\x00\'\r\x00'/20, @ANYRES32=r5, @ANYBLOB="0000000000000000080000000a0001007273767036"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000007c0)=ANY=[@ANYBLOB="340000002e002989000000000000000000010000", @ANYRES32=r5], 0x34}}, 0x0) 02:06:19 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x48, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:06:19 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x7c, 0x0) [ 1133.932360][ T8334] overlayfs: failed to resolve './file1': -2 02:06:19 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x83, 0x0) 02:06:19 executing program 2: mkdir(0x0, 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='upperdir=./file1,lowerdir=./bus,workdir=./file0,metacopy=on']) link(&(0x7f0000000200)='./bus/file1\x00', &(0x7f00000002c0)='./bus/file0\x00') [ 1134.050760][ T8341] dlm: Unknown command passed to DLM device : 0 [ 1134.050760][ T8341] 02:06:19 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x4c, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:06:19 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x7d, 0x0) 02:06:19 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="48000000100005e7ffffff000000000000000000", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r5, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000003c40)=ANY=[@ANYBLOB='H\x00\x00\x00,\x00\'\r\x00'/20, @ANYRES32=r5, @ANYBLOB="0000000000000000080000000a0001007273767036"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000007c0)=ANY=[@ANYBLOB="340000002e002989000000000000000000020000", @ANYRES32=r5], 0x34}}, 0x0) 02:06:19 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x84, 0x0) [ 1134.280674][ T8363] overlayfs: failed to resolve './file1': -2 [ 1134.339819][ T8368] dlm: Unknown command passed to DLM device : 0 [ 1134.339819][ T8368] 02:06:19 executing program 2: mkdir(0x0, 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='upperdir=./file1,lowerdir=./bus,workdir=./file0,metacopy=on']) link(&(0x7f0000000200)='./bus/file1\x00', &(0x7f00000002c0)='./bus/file0\x00') [ 1134.424448][ T8371] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. 02:06:19 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x7e, 0x0) 02:06:19 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='upperdir=./file1,lowerdir=./bus,workdir=./file0,metacopy=on']) link(&(0x7f0000000200)='./bus/file1\x00', &(0x7f00000002c0)='./bus/file0\x00') newfstatat(0xffffffffffffff9c, &(0x7f0000000040)='./bus/file0\x00', 0x0, 0x600) 02:06:19 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x50, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:06:19 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x85, 0x0) 02:06:19 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="48000000100005e7ffffff000000000000000000", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r5, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000003c40)=ANY=[@ANYBLOB='H\x00\x00\x00,\x00\'\r\x00'/20, @ANYRES32=r5, @ANYBLOB="0000000000000000080000000a0001007273767036"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000007c0)=ANY=[@ANYBLOB="340000002e002989000000000000000000030000", @ANYRES32=r5], 0x34}}, 0x0) [ 1134.639460][ T8398] overlayfs: failed to resolve './file1': -2 02:06:19 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x60, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:06:19 executing program 2: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(0x0, 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='upperdir=./file1,lowerdir=./bus,workdir=./file0,metacopy=on']) link(&(0x7f0000000200)='./bus/file1\x00', &(0x7f00000002c0)='./bus/file0\x00') 02:06:19 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x82, 0x0) [ 1134.875619][ T8413] dlm: Unknown command passed to DLM device : 0 [ 1134.875619][ T8413] 02:06:20 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x86, 0x0) 02:06:20 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x68, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:06:20 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x83, 0x0) [ 1135.119809][ T8438] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. 02:06:20 executing program 2: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(0x0, 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='upperdir=./file1,lowerdir=./bus,workdir=./file0,metacopy=on']) link(&(0x7f0000000200)='./bus/file1\x00', &(0x7f00000002c0)='./bus/file0\x00') 02:06:20 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="48000000100005e7ffffff000000000000000000", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r5, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000003c40)=ANY=[@ANYBLOB='H\x00\x00\x00,\x00\'\r\x00'/20, @ANYRES32=r5, @ANYBLOB="0000000000000000080000000a0001007273767036"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000007c0)=ANY=[@ANYBLOB="340000002e002989000000000000000000040000", @ANYRES32=r5], 0x34}}, 0x0) [ 1135.243227][ T8447] dlm: Unknown command passed to DLM device : 0 [ 1135.243227][ T8447] 02:06:20 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='upperdir=./file1,lowerdir=./bus,workdir=./file0,metacopy=on']) link(&(0x7f0000000200)='./bus/file1\x00', &(0x7f00000002c0)='./bus/file0\x00') newfstatat(0xffffffffffffff9c, &(0x7f0000000040)='./bus/file0\x00', 0x0, 0x700) 02:06:20 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x84, 0x0) 02:06:20 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x87, 0x0) 02:06:20 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x6c, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:06:20 executing program 2: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(0x0, 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='upperdir=./file1,lowerdir=./bus,workdir=./file0,metacopy=on']) link(&(0x7f0000000200)='./bus/file1\x00', &(0x7f00000002c0)='./bus/file0\x00') 02:06:20 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x85, 0x0) [ 1135.632373][ T8479] dlm: Unknown command passed to DLM device : 0 [ 1135.632373][ T8479] 02:06:20 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x88, 0x0) 02:06:20 executing program 2: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) creat(0x0, 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='upperdir=./file1,lowerdir=./bus,workdir=./file0,metacopy=on']) link(&(0x7f0000000200)='./bus/file1\x00', &(0x7f00000002c0)='./bus/file0\x00') 02:06:20 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x74, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:06:21 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="48000000100005e7ffffff000000000000000000", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r5, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000003c40)=ANY=[@ANYBLOB='H\x00\x00\x00,\x00\'\r\x00'/20, @ANYRES32=r5, @ANYBLOB="0000000000000000080000000a0001007273767036"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000007c0)=ANY=[@ANYBLOB="340000002e002989000000000000000000050000", @ANYRES32=r5], 0x34}}, 0x0) [ 1135.849838][ T8502] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. 02:06:21 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x86, 0x0) 02:06:21 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x89, 0x0) [ 1135.988344][ T8510] __nla_validate_parse: 48 callbacks suppressed [ 1135.988355][ T8510] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 1136.020162][ T8511] dlm: Unknown command passed to DLM device : 0 [ 1136.020162][ T8511] 02:06:21 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='upperdir=./file1,lowerdir=./bus,workdir=./file0,metacopy=on']) link(&(0x7f0000000200)='./bus/file1\x00', &(0x7f00000002c0)='./bus/file0\x00') newfstatat(0xffffffffffffff9c, &(0x7f0000000040)='./bus/file0\x00', 0x0, 0xc00) [ 1136.094934][ T8521] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 02:06:21 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x7a, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:06:21 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x87, 0x0) [ 1136.145492][ T8522] netlink: 16 bytes leftover after parsing attributes in process `syz-executor.5'. 02:06:21 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x8a, 0x0) [ 1136.229838][ T8510] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 1136.247820][ T8514] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 02:06:21 executing program 2: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) creat(0x0, 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='upperdir=./file1,lowerdir=./bus,workdir=./file0,metacopy=on']) link(&(0x7f0000000200)='./bus/file1\x00', &(0x7f00000002c0)='./bus/file0\x00') 02:06:21 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x88, 0x0) 02:06:21 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x300, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) [ 1136.451614][ T8521] netlink: 16 bytes leftover after parsing attributes in process `syz-executor.5'. 02:06:21 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="48000000100005e7ffffff000000000000000000", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r5, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000003c40)=ANY=[@ANYBLOB='H\x00\x00\x00,\x00\'\r\x00'/20, @ANYRES32=r5, @ANYBLOB="0000000000000000080000000a0001007273767036"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000007c0)=ANY=[@ANYBLOB="340000002e002989000000000000000000060000", @ANYRES32=r5], 0x34}}, 0x0) 02:06:21 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x8b, 0x0) [ 1136.629618][ T8558] dlm: Unknown command passed to DLM device : 0 [ 1136.629618][ T8558] [ 1136.719142][ T8561] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. [ 1136.748679][ T8572] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 02:06:21 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x89, 0x0) 02:06:21 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x500, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:06:22 executing program 2: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) creat(0x0, 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='upperdir=./file1,lowerdir=./bus,workdir=./file0,metacopy=on']) link(&(0x7f0000000200)='./bus/file1\x00', &(0x7f00000002c0)='./bus/file0\x00') [ 1136.848534][ T8579] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 02:06:22 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='upperdir=./file1,lowerdir=./bus,workdir=./file0,metacopy=on']) link(&(0x7f0000000200)='./bus/file1\x00', &(0x7f00000002c0)='./bus/file0\x00') newfstatat(0xffffffffffffff9c, &(0x7f0000000040)='./bus/file0\x00', 0x0, 0x1200) 02:06:22 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x8c, 0x0) [ 1136.936717][ T8585] dlm: Unknown command passed to DLM device : 0 [ 1136.936717][ T8585] [ 1136.999034][ T8583] netlink: 16 bytes leftover after parsing attributes in process `syz-executor.5'. [ 1137.024844][ T8578] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 02:06:22 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x8a, 0x0) 02:06:22 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x8d, 0x0) 02:06:22 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x600, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) [ 1137.263183][ T8613] dlm: Unknown command passed to DLM device : 0 [ 1137.263183][ T8613] 02:06:22 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="48000000100005e7ffffff000000000000000000", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r5, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000003c40)=ANY=[@ANYBLOB='H\x00\x00\x00,\x00\'\r\x00'/20, @ANYRES32=r5, @ANYBLOB="0000000000000000080000000a0001007273767036"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000007c0)=ANY=[@ANYBLOB="340000002e002989000000000000000000070000", @ANYRES32=r5], 0x34}}, 0x0) 02:06:22 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x8e, 0x0) 02:06:22 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x8b, 0x0) 02:06:22 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x700, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:06:22 executing program 2: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mkdir(0x0, 0x0) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='upperdir=./file1,lowerdir=./bus,workdir=./file0,metacopy=on']) link(&(0x7f0000000200)='./bus/file1\x00', &(0x7f00000002c0)='./bus/file0\x00') [ 1137.485855][ T8627] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. 02:06:22 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='upperdir=./file1,lowerdir=./bus,workdir=./file0,metacopy=on']) link(&(0x7f0000000200)='./bus/file1\x00', &(0x7f00000002c0)='./bus/file0\x00') newfstatat(0xffffffffffffff9c, &(0x7f0000000040)='./bus/file0\x00', 0x0, 0x2f00) [ 1137.682633][ T8648] dlm: Unknown command passed to DLM device : 0 [ 1137.682633][ T8648] 02:06:22 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x8c, 0x0) 02:06:22 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x8f, 0x0) 02:06:22 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="48000000100005e7ffffff000000000000000000", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r5, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000003c40)=ANY=[@ANYBLOB='H\x00\x00\x00,\x00\'\r\x00'/20, @ANYRES32=r5, @ANYBLOB="0000000000000000080000000a0001007273767036"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000007c0)=ANY=[@ANYBLOB="340000002e002989000000000000000000080000", @ANYRES32=r5], 0x34}}, 0x0) 02:06:23 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0xa00, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:06:23 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x90, 0x0) [ 1138.015240][ T8667] overlayfs: failed to resolve './file0': -2 02:06:23 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x8d, 0x0) [ 1138.068932][ T8674] dlm: Unknown command passed to DLM device : 0 [ 1138.068932][ T8674] 02:06:23 executing program 2: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mkdir(0x0, 0x0) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='upperdir=./file1,lowerdir=./bus,workdir=./file0,metacopy=on']) link(&(0x7f0000000200)='./bus/file1\x00', &(0x7f00000002c0)='./bus/file0\x00') 02:06:23 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x2000, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) [ 1138.263808][ T8695] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. 02:06:23 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x91, 0x0) 02:06:23 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="48000000100005e7ffffff000000000000000000", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r5, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000003c40)=ANY=[@ANYBLOB='H\x00\x00\x00,\x00\'\r\x00'/20, @ANYRES32=r5, @ANYBLOB="0000000000000000080000000a0001007273767036"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000007c0)=ANY=[@ANYBLOB="340000002e002989000000000000000000090000", @ANYRES32=r5], 0x34}}, 0x0) 02:06:23 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x8e, 0x0) [ 1138.404589][ T8699] overlayfs: failed to resolve './file0': -2 02:06:23 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='upperdir=./file1,lowerdir=./bus,workdir=./file0,metacopy=on']) link(&(0x7f0000000200)='./bus/file1\x00', &(0x7f00000002c0)='./bus/file0\x00') newfstatat(0xffffffffffffff9c, &(0x7f0000000040)='./bus/file0\x00', 0x0, 0x3f00) [ 1138.446946][ T8703] dlm: Unknown command passed to DLM device : 0 [ 1138.446946][ T8703] 02:06:23 executing program 2: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mkdir(0x0, 0x0) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='upperdir=./file1,lowerdir=./bus,workdir=./file0,metacopy=on']) link(&(0x7f0000000200)='./bus/file1\x00', &(0x7f00000002c0)='./bus/file0\x00') 02:06:23 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x4800, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:06:23 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x92, 0x0) 02:06:23 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x8f, 0x0) [ 1138.736820][ T8733] dlm: Unknown command passed to DLM device : 0 [ 1138.736820][ T8733] 02:06:24 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x4c00, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) [ 1138.833629][ T8737] overlayfs: failed to resolve './file0': -2 02:06:24 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x93, 0x0) 02:06:24 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="48000000100005e7ffffff000000000000000000", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r5, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000003c40)=ANY=[@ANYBLOB='H\x00\x00\x00,\x00\'\r\x00'/20, @ANYRES32=r5, @ANYBLOB="0000000000000000080000000a0001007273767036"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000007c0)=ANY=[@ANYBLOB="340000002e0029890000000000000000000a0000", @ANYRES32=r5], 0x34}}, 0x0) 02:06:24 executing program 2: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) mount$overlay(0x400002, 0x0, &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='upperdir=./file1,lowerdir=./bus,workdir=./file0,metacopy=on']) link(&(0x7f0000000200)='./bus/file1\x00', &(0x7f00000002c0)='./bus/file0\x00') 02:06:24 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x90, 0x0) [ 1139.063318][ T8758] dlm: Unknown command passed to DLM device : 0 [ 1139.063318][ T8758] [ 1139.077867][ T8756] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. 02:06:24 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x94, 0x0) 02:06:24 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x5000, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:06:24 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='upperdir=./file1,lowerdir=./bus,workdir=./file0,metacopy=on']) link(&(0x7f0000000200)='./bus/file1\x00', &(0x7f00000002c0)='./bus/file0\x00') newfstatat(0xffffffffffffff9c, &(0x7f0000000040)='./bus/file0\x00', 0x0, 0x4800) 02:06:24 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="48000000100005e7ffffff000000000000000000", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r5, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000003c40)=ANY=[@ANYBLOB='H\x00\x00\x00,\x00\'\r\x00'/20, @ANYRES32=r5, @ANYBLOB="0000000000000000080000000a0001007273767036"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000007c0)=ANY=[@ANYBLOB="340000002e0029890000000000000000000c0000", @ANYRES32=r5], 0x34}}, 0x0) 02:06:24 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x91, 0x0) 02:06:24 executing program 2: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) mount$overlay(0x400002, 0x0, &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='upperdir=./file1,lowerdir=./bus,workdir=./file0,metacopy=on']) link(&(0x7f0000000200)='./bus/file1\x00', &(0x7f00000002c0)='./bus/file0\x00') 02:06:24 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x95, 0x0) [ 1139.399783][ T8791] dlm: Unknown command passed to DLM device : 0 [ 1139.399783][ T8791] 02:06:24 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x6000, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:06:24 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x96, 0x0) 02:06:24 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x92, 0x0) 02:06:24 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="48000000100005e7ffffff000000000000000000", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r5, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000003c40)=ANY=[@ANYBLOB='H\x00\x00\x00,\x00\'\r\x00'/20, @ANYRES32=r5, @ANYBLOB="0000000000000000080000000a0001007273767036"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000007c0)=ANY=[@ANYBLOB="340000002e0029890000000000000000000e0000", @ANYRES32=r5], 0x34}}, 0x0) [ 1139.704636][ T8818] dlm: Unknown command passed to DLM device : 0 [ 1139.704636][ T8818] 02:06:25 executing program 2: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) mount$overlay(0x400002, 0x0, &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='upperdir=./file1,lowerdir=./bus,workdir=./file0,metacopy=on']) link(&(0x7f0000000200)='./bus/file1\x00', &(0x7f00000002c0)='./bus/file0\x00') [ 1139.794202][ T8821] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. 02:06:25 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x6800, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:06:25 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x93, 0x0) 02:06:25 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='upperdir=./file1,lowerdir=./bus,workdir=./file0,metacopy=on']) link(&(0x7f0000000200)='./bus/file1\x00', &(0x7f00000002c0)='./bus/file0\x00') newfstatat(0xffffffffffffff9c, &(0x7f0000000040)='./bus/file0\x00', 0x0, 0x4c00) 02:06:25 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x97, 0x0) 02:06:25 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="48000000100005e7ffffff000000000000000000", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r5, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000003c40)=ANY=[@ANYBLOB='H\x00\x00\x00,\x00\'\r\x00'/20, @ANYRES32=r5, @ANYBLOB="0000000000000000080000000a0001007273767036"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000007c0)=ANY=[@ANYBLOB="340000002e0029890000000000000000000f0000", @ANYRES32=r5], 0x34}}, 0x0) [ 1140.106033][ T8847] dlm: Unknown command passed to DLM device : 0 [ 1140.106033][ T8847] 02:06:25 executing program 2: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', 0x0, 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='upperdir=./file1,lowerdir=./bus,workdir=./file0,metacopy=on']) link(&(0x7f0000000200)='./bus/file1\x00', &(0x7f00000002c0)='./bus/file0\x00') 02:06:25 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x94, 0x0) 02:06:25 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x6c00, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:06:25 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x98, 0x0) 02:06:25 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x7400, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:06:25 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="48000000100005e7ffffff000000000000000000", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r5, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000003c40)=ANY=[@ANYBLOB='H\x00\x00\x00,\x00\'\r\x00'/20, @ANYRES32=r5, @ANYBLOB="0000000000000000080000000a0001007273767036"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000007c0)=ANY=[@ANYBLOB="340000002e002989000000000000000000100000", @ANYRES32=r5], 0x34}}, 0x0) [ 1140.491166][ T8869] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. 02:06:25 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x95, 0x0) [ 1140.642963][ T8895] dlm: Unknown command passed to DLM device : 0 [ 1140.642963][ T8895] 02:06:25 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x99, 0x0) 02:06:25 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='upperdir=./file1,lowerdir=./bus,workdir=./file0,metacopy=on']) link(&(0x7f0000000200)='./bus/file1\x00', &(0x7f00000002c0)='./bus/file0\x00') newfstatat(0xffffffffffffff9c, &(0x7f0000000040)='./bus/file0\x00', 0x0, 0x6800) 02:06:25 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x7a00, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:06:26 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x96, 0x0) 02:06:26 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x9a, 0x0) [ 1140.940364][ T8918] dlm: Unknown command passed to DLM device : 0 [ 1140.940364][ T8918] 02:06:26 executing program 2: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', 0x0, 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='upperdir=./file1,lowerdir=./bus,workdir=./file0,metacopy=on']) link(&(0x7f0000000200)='./bus/file1\x00', &(0x7f00000002c0)='./bus/file0\x00') [ 1141.041121][ T8923] __nla_validate_parse: 49 callbacks suppressed [ 1141.041132][ T8923] netlink: 16 bytes leftover after parsing attributes in process `syz-executor.5'. 02:06:26 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:06:26 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x97, 0x0) 02:06:26 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="48000000100005e7ffffff000000000000000000", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r5, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000003c40)=ANY=[@ANYBLOB='H\x00\x00\x00,\x00\'\r\x00'/20, @ANYRES32=r5, @ANYBLOB="0000000000000000080000000a0001007273767036"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000007c0)=ANY=[@ANYBLOB="340000002e00298900000000000000000b120000", @ANYRES32=r5], 0x34}}, 0x0) 02:06:26 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x9b, 0x0) [ 1141.246327][ T8943] dlm: Unknown command passed to DLM device : 0 [ 1141.246327][ T8943] [ 1141.364390][ T8955] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 1141.375920][ T8949] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. 02:06:26 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x2, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:06:26 executing program 2: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', 0x0, 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='upperdir=./file1,lowerdir=./bus,workdir=./file0,metacopy=on']) link(&(0x7f0000000200)='./bus/file1\x00', &(0x7f00000002c0)='./bus/file0\x00') [ 1141.471256][ T8964] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 02:06:26 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x98, 0x0) 02:06:26 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='upperdir=./file1,lowerdir=./bus,workdir=./file0,metacopy=on']) link(&(0x7f0000000200)='./bus/file1\x00', &(0x7f00000002c0)='./bus/file0\x00') newfstatat(0xffffffffffffff9c, &(0x7f0000000040)='./bus/file0\x00', 0x0, 0x6c00) 02:06:26 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x9c, 0x0) [ 1141.555515][ T8968] netlink: 16 bytes leftover after parsing attributes in process `syz-executor.5'. [ 1141.581103][ T8959] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 02:06:26 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x3, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) [ 1141.602002][ T8964] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 1141.802459][ T8991] dlm: Unknown command passed to DLM device : 3 [ 1141.802459][ T8991] [ 1141.804069][ T8968] netlink: 16 bytes leftover after parsing attributes in process `syz-executor.5'. 02:06:27 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x99, 0x0) 02:06:27 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x9d, 0x0) 02:06:27 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="48000000100005e7ffffff000000000000000000", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r5, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000003c40)=ANY=[@ANYBLOB='H\x00\x00\x00,\x00\'\r\x00'/20, @ANYRES32=r5, @ANYBLOB="0000000000000000080000000a0001007273767036"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000007c0)=ANY=[@ANYBLOB="340000002e00298900000000000000000b130000", @ANYRES32=r5], 0x34}}, 0x0) 02:06:27 executing program 2: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, 0x0) link(&(0x7f0000000200)='./bus/file1\x00', &(0x7f00000002c0)='./bus/file0\x00') 02:06:27 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x4, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) [ 1142.060894][ T9007] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 1142.159133][ T9021] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. [ 1142.169729][ T9017] dlm: no local IP address has been set [ 1142.177924][ T9024] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 1142.201613][ T9017] dlm: cannot start dlm lowcomms -107 02:06:27 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x9a, 0x0) [ 1142.248770][ T9023] overlayfs: missing 'lowerdir' 02:06:27 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x9e, 0x0) [ 1142.270186][ T9025] netlink: 16 bytes leftover after parsing attributes in process `syz-executor.5'. 02:06:27 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='upperdir=./file1,lowerdir=./bus,workdir=./file0,metacopy=on']) link(&(0x7f0000000200)='./bus/file1\x00', &(0x7f00000002c0)='./bus/file0\x00') newfstatat(0xffffffffffffff9c, &(0x7f0000000040)='./bus/file0\x00', 0x0, 0x7400) 02:06:27 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x5, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:06:27 executing program 2: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, 0x0) link(&(0x7f0000000200)='./bus/file1\x00', &(0x7f00000002c0)='./bus/file0\x00') 02:06:27 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x9b, 0x0) 02:06:27 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="48000000100005e7ffffff000000000000000000", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r5, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000003c40)=ANY=[@ANYBLOB='H\x00\x00\x00,\x00\'\r\x00'/20, @ANYRES32=r5, @ANYBLOB="0000000000000000080000000a0001007273767036"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000007c0)=ANY=[@ANYBLOB="340000002e0029890000000000000003ce140000", @ANYRES32=r5], 0x34}}, 0x0) [ 1142.574479][ T9051] overlayfs: missing 'lowerdir' 02:06:27 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x9f, 0x0) 02:06:27 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x6, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:06:27 executing program 2: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, 0x0) link(&(0x7f0000000200)='./bus/file1\x00', &(0x7f00000002c0)='./bus/file0\x00') 02:06:27 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x9c, 0x0) 02:06:28 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x7, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:06:28 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0xa0, 0x0) [ 1142.928744][ T9079] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. [ 1143.011475][ T9086] overlayfs: missing 'lowerdir' [ 1143.032618][ T9096] dlm: no locking on control device 02:06:28 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="48000000100005e7ffffff000000000000000000", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r5, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000003c40)=ANY=[@ANYBLOB='H\x00\x00\x00,\x00\'\r\x00'/20, @ANYRES32=r5, @ANYBLOB="0000000000000000080000000a0001007273767036"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000007c0)=ANY=[@ANYBLOB="340000002e002989000000000000000000200000", @ANYRES32=r5], 0x34}}, 0x0) 02:06:28 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='upperdir=./file1,lowerdir=./bus,workdir=./file0,metacopy=on']) link(&(0x7f0000000200)='./bus/file1\x00', &(0x7f00000002c0)='./bus/file0\x00') newfstatat(0xffffffffffffff9c, &(0x7f0000000040)='./bus/file0\x00', 0x0, 0x7a00) 02:06:28 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x9d, 0x0) 02:06:28 executing program 2: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f00000003c0)=ANY=[]) link(&(0x7f0000000200)='./bus/file1\x00', &(0x7f00000002c0)='./bus/file0\x00') 02:06:28 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0xa, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:06:28 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0xa1, 0x0) 02:06:28 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x48, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:06:28 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x9e, 0x0) [ 1143.407180][ T9121] overlayfs: missing 'lowerdir' 02:06:28 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0xa2, 0x0) [ 1143.481989][ T9132] dlm: Unknown command passed to DLM device : 72 [ 1143.481989][ T9132] 02:06:28 executing program 2: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f00000003c0)=ANY=[]) link(&(0x7f0000000200)='./bus/file1\x00', &(0x7f00000002c0)='./bus/file0\x00') 02:06:28 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="48000000100005e7ffffff000000000000000000", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r5, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000003c40)=ANY=[@ANYBLOB='H\x00\x00\x00,\x00\'\r\x00'/20, @ANYRES32=r5, @ANYBLOB="0000000000000000080000000a0001007273767036"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000007c0)=ANY=[@ANYBLOB="340000002e0029890000000000000000003f0000", @ANYRES32=r5], 0x34}}, 0x0) 02:06:28 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x4c, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:06:28 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x9f, 0x0) [ 1143.721643][ T9151] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. [ 1143.816833][ T9163] dlm: Unknown command passed to DLM device : 76 [ 1143.816833][ T9163] [ 1143.825518][ T9158] overlayfs: missing 'lowerdir' 02:06:29 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='upperdir=./file1,lowerdir=./bus,workdir=./file0,metacopy=on']) link(&(0x7f0000000200)='./bus/file1\x00', &(0x7f00000002c0)='./bus/file0\x00') newfstatat(0xffffffffffffff9c, &(0x7f0000000040)='./bus/file0\x00', 0x0, 0xf000) 02:06:29 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0xa3, 0x0) 02:06:29 executing program 2: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f00000003c0)=ANY=[]) link(&(0x7f0000000200)='./bus/file1\x00', &(0x7f00000002c0)='./bus/file0\x00') 02:06:29 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x50, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:06:29 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0xa0, 0x0) 02:06:29 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="48000000100005e7ffffff000000000000000000", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r5, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000003c40)=ANY=[@ANYBLOB='H\x00\x00\x00,\x00\'\r\x00'/20, @ANYRES32=r5, @ANYBLOB="0000000000000000080000000a0001007273767036"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000007c0)=ANY=[@ANYBLOB="340000002e002989000000000000000000400000", @ANYRES32=r5], 0x34}}, 0x0) 02:06:29 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0xa4, 0x0) [ 1144.160076][ T9194] dlm: Unknown command passed to DLM device : 80 [ 1144.160076][ T9194] [ 1144.224915][ T9196] overlayfs: missing 'lowerdir' 02:06:29 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x60, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:06:29 executing program 2: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB]) link(&(0x7f0000000200)='./bus/file1\x00', &(0x7f00000002c0)='./bus/file0\x00') 02:06:29 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0xa1, 0x0) 02:06:29 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x68, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:06:29 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0xa5, 0x0) [ 1144.529009][ T9229] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. [ 1144.597815][ T9228] overlayfs: missing 'lowerdir' [ 1144.612298][ T9237] dlm: Unknown command passed to DLM device : 104 [ 1144.612298][ T9237] 02:06:29 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='upperdir=./file1,lowerdir=./bus,workdir=./file0,metacopy=on']) link(&(0x7f0000000200)='./bus/file1\x00', &(0x7f00000002c0)='./bus/file0\x00') newfstatat(0xffffffffffffff9c, &(0x7f0000000040)='./bus/file0\x00', 0x0, 0xff00) 02:06:29 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="48000000100005e7ffffff000000000000000000", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r5, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000003c40)=ANY=[@ANYBLOB='H\x00\x00\x00,\x00\'\r\x00'/20, @ANYRES32=r5, @ANYBLOB="0000000000000000080000000a0001007273767036"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000007c0)=ANY=[@ANYBLOB="340000002e002989000000000000000000480000", @ANYRES32=r5], 0x34}}, 0x0) 02:06:29 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0xa2, 0x0) 02:06:29 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0xa6, 0x0) 02:06:29 executing program 2: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB]) link(&(0x7f0000000200)='./bus/file1\x00', &(0x7f00000002c0)='./bus/file0\x00') 02:06:29 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x6c, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:06:30 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0xa3, 0x0) [ 1144.934581][ T9263] dlm: Unknown command passed to DLM device : 108 [ 1144.934581][ T9263] 02:06:30 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0xa7, 0x0) 02:06:30 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="48000000100005e7ffffff000000000000000000", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r5, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000003c40)=ANY=[@ANYBLOB='H\x00\x00\x00,\x00\'\r\x00'/20, @ANYRES32=r5, @ANYBLOB="0000000000000000080000000a0001007273767036"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000007c0)=ANY=[@ANYBLOB="340000002e0029890000000000000000004c0000", @ANYRES32=r5], 0x34}}, 0x0) [ 1145.019286][ T9266] overlayfs: missing 'lowerdir' 02:06:30 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x74, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:06:30 executing program 2: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB]) link(&(0x7f0000000200)='./bus/file1\x00', &(0x7f00000002c0)='./bus/file0\x00') 02:06:30 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0xa4, 0x0) [ 1145.238705][ T9288] dlm: Unknown command passed to DLM device : 116 [ 1145.238705][ T9288] [ 1145.319163][ T9294] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. 02:06:30 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='upperdir=./file1,lowerdir=./bus,workdir=./file0,metacopy=on']) link(&(0x7f0000000200)='./bus/file1\x00', &(0x7f00000002c0)='./bus/file0\x00') newfstatat(0xffffffffffffff9c, &(0x7f0000000040)='./bus/file0\x00', 0x0, 0xf0ffff) 02:06:30 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0xa8, 0x0) 02:06:30 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x7a, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) [ 1145.480553][ T9308] overlayfs: missing 'lowerdir' 02:06:30 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="48000000100005e7ffffff000000000000000000", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r5, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000003c40)=ANY=[@ANYBLOB='H\x00\x00\x00,\x00\'\r\x00'/20, @ANYRES32=r5, @ANYBLOB="0000000000000000080000000a0001007273767036"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000007c0)=ANY=[@ANYBLOB="340000002e002989000000000000000000600000", @ANYRES32=r5], 0x34}}, 0x0) 02:06:30 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0xa5, 0x0) 02:06:30 executing program 2: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='upperdir=./file1,lowerdir=./bu']) link(&(0x7f0000000200)='./bus/file1\x00', &(0x7f00000002c0)='./bus/file0\x00') 02:06:30 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0xa9, 0x0) [ 1145.654225][ T9322] dlm: Unknown command passed to DLM device : 122 [ 1145.654225][ T9322] 02:06:31 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0xa6, 0x0) 02:06:31 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x300, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:06:31 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="48000000100005e7ffffff000000000000000000", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r5, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000003c40)=ANY=[@ANYBLOB='H\x00\x00\x00,\x00\'\r\x00'/20, @ANYRES32=r5, @ANYBLOB="0000000000000000080000000a0001007273767036"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000007c0)=ANY=[@ANYBLOB="340000002e002989000000000000000058650000", @ANYRES32=r5], 0x34}}, 0x0) [ 1145.890756][ T9342] overlayfs: missing 'workdir' 02:06:31 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0xaa, 0x0) 02:06:31 executing program 2: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='upperdir=./file1,lowerdir=./bu']) link(&(0x7f0000000200)='./bus/file1\x00', &(0x7f00000002c0)='./bus/file0\x00') [ 1145.993705][ T9354] dlm: Unknown command passed to DLM device : 0 [ 1145.993705][ T9354] [ 1146.044006][ T9357] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. [ 1146.103181][ T9359] __nla_validate_parse: 45 callbacks suppressed [ 1146.103192][ T9359] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 02:06:31 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='upperdir=./file1,lowerdir=./bus,workdir=./file0,metacopy=on']) link(&(0x7f0000000200)='./bus/file1\x00', &(0x7f00000002c0)='./bus/file0\x00') newfstatat(0xffffffffffffff9c, &(0x7f0000000040)='./bus/file0\x00', 0x0, 0x1000000) 02:06:31 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0xa7, 0x0) 02:06:31 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x500, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) [ 1146.205230][ T9370] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 02:06:31 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0xab, 0x0) [ 1146.294164][ T9374] netlink: 16 bytes leftover after parsing attributes in process `syz-executor.5'. [ 1146.294718][ T9373] overlayfs: missing 'workdir' [ 1146.328776][ T9364] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 1146.340712][ T9370] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 1146.367860][ T9380] dlm: Unknown command passed to DLM device : 0 [ 1146.367860][ T9380] 02:06:31 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0xac, 0x0) 02:06:31 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0xa8, 0x0) 02:06:31 executing program 2: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='upperdir=./file1,lowerdir=./bu']) link(&(0x7f0000000200)='./bus/file1\x00', &(0x7f00000002c0)='./bus/file0\x00') 02:06:31 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x600, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) [ 1146.530704][ T9374] netlink: 16 bytes leftover after parsing attributes in process `syz-executor.5'. [ 1146.575764][ T9359] netlink: 16 bytes leftover after parsing attributes in process `syz-executor.5'. [ 1146.681192][ T9406] dlm: Unknown command passed to DLM device : 0 [ 1146.681192][ T9406] 02:06:31 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="48000000100005e7ffffff000000000000000000", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r5, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000003c40)=ANY=[@ANYBLOB='H\x00\x00\x00,\x00\'\r\x00'/20, @ANYRES32=r5, @ANYBLOB="0000000000000000080000000a0001007273767036"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000007c0)=ANY=[@ANYBLOB="340000002e002989000000000000000000680000", @ANYRES32=r5], 0x34}}, 0x0) [ 1146.724778][ T9412] overlayfs: missing 'workdir' 02:06:31 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0xad, 0x0) 02:06:32 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0xa9, 0x0) [ 1146.793553][ T9417] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. 02:06:32 executing program 2: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='upperdir=./file1,lowerdir=./bus,workdir=./fil']) link(&(0x7f0000000200)='./bus/file1\x00', &(0x7f00000002c0)='./bus/file0\x00') [ 1146.885297][ T9423] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 02:06:32 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='upperdir=./file1,lowerdir=./bus,workdir=./file0,metacopy=on']) link(&(0x7f0000000200)='./bus/file1\x00', &(0x7f00000002c0)='./bus/file0\x00') newfstatat(0xffffffffffffff9c, &(0x7f0000000040)='./bus/file0\x00', 0x0, 0x2000000) 02:06:32 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x700, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) [ 1146.985127][ T9432] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 02:06:32 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0xae, 0x0) [ 1147.101518][ T9442] dlm: Unknown command passed to DLM device : 0 [ 1147.101518][ T9442] [ 1147.107228][ T9439] netlink: 16 bytes leftover after parsing attributes in process `syz-executor.5'. 02:06:32 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0xaa, 0x0) 02:06:32 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0xa00, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) [ 1147.155077][ T9448] overlayfs: failed to resolve './fil': -2 02:06:32 executing program 2: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='upperdir=./file1,lowerdir=./bus,workdir=./fil']) link(&(0x7f0000000200)='./bus/file1\x00', &(0x7f00000002c0)='./bus/file0\x00') [ 1147.312711][ T9455] dlm: Unknown command passed to DLM device : 0 [ 1147.312711][ T9455] 02:06:32 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="48000000100005e7ffffff000000000000000000", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r5, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000003c40)=ANY=[@ANYBLOB='H\x00\x00\x00,\x00\'\r\x00'/20, @ANYRES32=r5, @ANYBLOB="0000000000000000080000000a0001007273767036"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000007c0)=ANY=[@ANYBLOB="340000002e0029890000000000000000006c0000", @ANYRES32=r5], 0x34}}, 0x0) 02:06:32 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0xaf, 0x0) 02:06:32 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0xab, 0x0) 02:06:32 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x2000, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) [ 1147.517721][ T9471] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. [ 1147.577517][ T9473] overlayfs: failed to resolve './fil': -2 [ 1147.602646][ T9480] dlm: Unknown command passed to DLM device : 0 [ 1147.602646][ T9480] 02:06:32 executing program 2: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='upperdir=./file1,lowerdir=./bus,workdir=./fil']) link(&(0x7f0000000200)='./bus/file1\x00', &(0x7f00000002c0)='./bus/file0\x00') 02:06:32 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='upperdir=./file1,lowerdir=./bus,workdir=./file0,metacopy=on']) link(&(0x7f0000000200)='./bus/file1\x00', &(0x7f00000002c0)='./bus/file0\x00') newfstatat(0xffffffffffffff9c, &(0x7f0000000040)='./bus/file0\x00', 0x0, 0x3000000) 02:06:32 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x4800, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:06:32 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0xac, 0x0) 02:06:32 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0xb0, 0x0) 02:06:32 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="48000000100005e7ffffff000000000000000000", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r5, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000003c40)=ANY=[@ANYBLOB='H\x00\x00\x00,\x00\'\r\x00'/20, @ANYRES32=r5, @ANYBLOB="0000000000000000080000000a0001007273767036"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000007c0)=ANY=[@ANYBLOB="340000002e002989000000000000000000740000", @ANYRES32=r5], 0x34}}, 0x0) [ 1147.905900][ T9504] dlm: Unknown command passed to DLM device : 0 [ 1147.905900][ T9504] 02:06:33 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0xad, 0x0) 02:06:33 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x4c00, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:06:33 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0xb1, 0x0) [ 1148.107842][ T9519] overlayfs: failed to resolve './fil': -2 [ 1148.188356][ T9527] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. 02:06:33 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0xae, 0x0) 02:06:33 executing program 2: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='upperdir=./file1,lowerdir=./bus,workdir=./file0,meta']) link(&(0x7f0000000200)='./bus/file1\x00', &(0x7f00000002c0)='./bus/file0\x00') [ 1148.260380][ T9537] dlm: Unknown command passed to DLM device : 0 [ 1148.260380][ T9537] 02:06:33 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="48000000100005e7ffffff000000000000000000", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r5, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000003c40)=ANY=[@ANYBLOB='H\x00\x00\x00,\x00\'\r\x00'/20, @ANYRES32=r5, @ANYBLOB="0000000000000000080000000a0001007273767036"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000007c0)=ANY=[@ANYBLOB="340000002e0029890000000000000000007a0000", @ANYRES32=r5], 0x34}}, 0x0) 02:06:33 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='upperdir=./file1,lowerdir=./bus,workdir=./file0,metacopy=on']) link(&(0x7f0000000200)='./bus/file1\x00', &(0x7f00000002c0)='./bus/file0\x00') newfstatat(0xffffffffffffff9c, &(0x7f0000000040)='./bus/file0\x00', 0x0, 0x4000000) 02:06:33 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x5000, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:06:33 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0xb2, 0x0) 02:06:33 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0xaf, 0x0) [ 1148.572483][ T9554] overlayfs: unrecognized mount option "meta" or missing value [ 1148.586965][ T9559] dlm: Unknown command passed to DLM device : 0 [ 1148.586965][ T9559] 02:06:33 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0xb3, 0x0) 02:06:33 executing program 2: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='upperdir=./file1,lowerdir=./bus,workdir=./file0,meta']) link(&(0x7f0000000200)='./bus/file1\x00', &(0x7f00000002c0)='./bus/file0\x00') 02:06:33 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x6000, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:06:33 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="48000000100005e7ffffff000000000000000000", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r5, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000003c40)=ANY=[@ANYBLOB='H\x00\x00\x00,\x00\'\r\x00'/20, @ANYRES32=r5, @ANYBLOB="0000000000000000080000000a0001007273767036"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000007c0)=ANY=[@ANYBLOB="340000002e002989000000000000c27874800000", @ANYRES32=r5], 0x34}}, 0x0) 02:06:34 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0xb0, 0x0) 02:06:34 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0xb4, 0x0) [ 1148.842443][ T9575] overlayfs: failed to resolve './file0': -2 [ 1148.880301][ T9588] dlm: Unknown command passed to DLM device : 0 [ 1148.880301][ T9588] 02:06:34 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='upperdir=./file1,lowerdir=./bus,workdir=./file0,metacopy=on']) link(&(0x7f0000000200)='./bus/file1\x00', &(0x7f00000002c0)='./bus/file0\x00') newfstatat(0xffffffffffffff9c, &(0x7f0000000040)='./bus/file0\x00', 0x0, 0x5000000) 02:06:34 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x6800, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:06:34 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0xb1, 0x0) [ 1149.064471][ T9596] overlayfs: unrecognized mount option "meta" or missing value 02:06:34 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="48000000100005e7ffffff000000000000000000", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r5, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000003c40)=ANY=[@ANYBLOB='H\x00\x00\x00,\x00\'\r\x00'/20, @ANYRES32=r5, @ANYBLOB="0000000000000000080000000a0001007273767036"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000007c0)=ANY=[@ANYBLOB="340000002e002989000000000000000000810000", @ANYRES32=r5], 0x34}}, 0x0) 02:06:34 executing program 2: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='upperdir=./file1,lowerdir=./bus,workdir=./file0,meta']) link(&(0x7f0000000200)='./bus/file1\x00', &(0x7f00000002c0)='./bus/file0\x00') [ 1149.212814][ T9616] dlm: Unknown command passed to DLM device : 0 [ 1149.212814][ T9616] 02:06:34 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x6c00, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:06:34 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0xb2, 0x0) [ 1149.516309][ T9633] overlayfs: unrecognized mount option "meta" or missing value [ 1149.527996][ T9646] dlm: Unknown command passed to DLM device : 0 [ 1149.527996][ T9646] [ 1149.588582][ T9643] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. 02:06:34 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0xb3, 0x0) 02:06:34 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="48000000100005e7ffffff000000000000000000", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r5, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000003c40)=ANY=[@ANYBLOB='H\x00\x00\x00,\x00\'\r\x00'/20, @ANYRES32=r5, @ANYBLOB="0000000000000000080000000a0001007273767036"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000007c0)=ANY=[@ANYBLOB="340000002e002989000000000000ffffa8880000", @ANYRES32=r5], 0x34}}, 0x0) 02:06:34 executing program 2: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='upperdir=./file1,lowerdir=./bus,workdir=./file0,metacopy']) link(&(0x7f0000000200)='./bus/file1\x00', &(0x7f00000002c0)='./bus/file0\x00') 02:06:34 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='upperdir=./file1,lowerdir=./bus,workdir=./file0,metacopy=on']) link(&(0x7f0000000200)='./bus/file1\x00', &(0x7f00000002c0)='./bus/file0\x00') newfstatat(0xffffffffffffff9c, &(0x7f0000000040)='./bus/file0\x00', 0x0, 0x6000000) 02:06:35 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0xb5, 0x0) 02:06:35 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x7400, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:06:35 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0xb4, 0x0) [ 1149.906441][ T9666] overlayfs: unrecognized mount option "metacopy" or missing value 02:06:35 executing program 2: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='upperdir=./file1,lowerdir=./bus,workdir=./file0,metacopy']) link(&(0x7f0000000200)='./bus/file1\x00', &(0x7f00000002c0)='./bus/file0\x00') [ 1150.024270][ T9682] dlm: Unknown command passed to DLM device : 0 [ 1150.024270][ T9682] [ 1150.148829][ T9693] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. 02:06:35 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x7a00, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:06:35 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="48000000100005e7ffffff000000000000000000", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r5, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000003c40)=ANY=[@ANYBLOB='H\x00\x00\x00,\x00\'\r\x00'/20, @ANYRES32=r5, @ANYBLOB="0000000000000000080000000a0001007273767036"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000007c0)=ANY=[@ANYBLOB="340000002e002989000000000000ffffff9e0000", @ANYRES32=r5], 0x34}}, 0x0) 02:06:35 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0xb6, 0x0) 02:06:35 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0xb5, 0x0) 02:06:35 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='upperdir=./file1,lowerdir=./bus,workdir=./file0,metacopy=on']) link(&(0x7f0000000200)='./bus/file1\x00', &(0x7f00000002c0)='./bus/file0\x00') newfstatat(0xffffffffffffff9c, &(0x7f0000000040)='./bus/file0\x00', 0x0, 0x7000000) [ 1150.275686][ T9702] overlayfs: unrecognized mount option "metacopy" or missing value [ 1150.368909][ T9708] dlm: Unknown command passed to DLM device : 0 [ 1150.368909][ T9708] 02:06:35 executing program 2: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='upperdir=./file1,lowerdir=./bus,workdir=./file0,metacopy']) link(&(0x7f0000000200)='./bus/file1\x00', &(0x7f00000002c0)='./bus/file0\x00') 02:06:35 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0xb7, 0x0) 02:06:35 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0xb6, 0x0) 02:06:35 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x1000000, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:06:35 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="48000000100005e7ffffff000000000000000000", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r5, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000003c40)=ANY=[@ANYBLOB='H\x00\x00\x00,\x00\'\r\x00'/20, @ANYRES32=r5, @ANYBLOB="0000000000000000080000000a0001007273767036"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000007c0)=ANY=[@ANYBLOB="340000002e00298900000000000000000ec00000", @ANYRES32=r5], 0x34}}, 0x0) [ 1150.627895][ T9729] overlayfs: unrecognized mount option "metacopy" or missing value 02:06:35 executing program 2: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='upperdir=./file1,lowerdir=./bus,workdir=./file0,metacopy=o']) link(&(0x7f0000000200)='./bus/file1\x00', &(0x7f00000002c0)='./bus/file0\x00') 02:06:35 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0xb8, 0x0) [ 1150.719434][ T9741] dlm: Unknown command passed to DLM device : 0 [ 1150.719434][ T9741] 02:06:36 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0xb7, 0x0) [ 1150.903396][ T9756] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. 02:06:36 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x2000000, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:06:36 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="48000000100005e7ffffff000000000000000000", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r5, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000003c40)=ANY=[@ANYBLOB='H\x00\x00\x00,\x00\'\r\x00'/20, @ANYRES32=r5, @ANYBLOB="0000000000000000080000000a0001007273767036"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000007c0)=ANY=[@ANYBLOB="340000002e002989000000000000fffffff00000", @ANYRES32=r5], 0x34}}, 0x0) [ 1151.011307][ T9765] overlayfs: unrecognized mount option "metacopy=o" or missing value 02:06:36 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0xb9, 0x0) 02:06:36 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='upperdir=./file1,lowerdir=./bus,workdir=./file0,metacopy=on']) link(&(0x7f0000000200)='./bus/file1\x00', &(0x7f00000002c0)='./bus/file0\x00') newfstatat(0xffffffffffffff9c, &(0x7f0000000040)='./bus/file0\x00', 0x0, 0x8000000) 02:06:36 executing program 2: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='upperdir=./file1,lowerdir=./bus,workdir=./file0,metacopy=o']) link(&(0x7f0000000200)='./bus/file1\x00', &(0x7f00000002c0)='./bus/file0\x00') 02:06:36 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0xb8, 0x0) [ 1151.139531][ T9773] dlm: Unknown command passed to DLM device : 0 [ 1151.139531][ T9773] [ 1151.211033][ T9777] __nla_validate_parse: 49 callbacks suppressed [ 1151.211043][ T9777] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 02:06:36 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x3000000, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) [ 1151.319691][ T9788] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 02:06:36 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0xba, 0x0) 02:06:36 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0xb9, 0x0) [ 1151.447191][ T9793] overlayfs: unrecognized mount option "metacopy=o" or missing value [ 1151.455115][ T9799] dlm: Unknown command passed to DLM device : 0 [ 1151.455115][ T9799] [ 1151.548483][ T9794] netlink: 16 bytes leftover after parsing attributes in process `syz-executor.5'. [ 1151.579671][ T9784] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 02:06:36 executing program 2: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='upperdir=./file1,lowerdir=./bus,workdir=./file0,metacopy=o']) link(&(0x7f0000000200)='./bus/file1\x00', &(0x7f00000002c0)='./bus/file0\x00') [ 1151.589676][ T9777] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 02:06:36 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x4000000, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:06:36 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0xba, 0x0) 02:06:36 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0xbb, 0x0) [ 1151.766443][ T9788] netlink: 16 bytes leftover after parsing attributes in process `syz-executor.5'. [ 1151.805403][ T9830] dlm: Unknown command passed to DLM device : 0 [ 1151.805403][ T9830] 02:06:37 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="48000000100005e7ffffff000000000000000000", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r5, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000003c40)=ANY=[@ANYBLOB='H\x00\x00\x00,\x00\'\r\x00'/20, @ANYRES32=r5, @ANYBLOB="0000000000000000080000000a0001007273767036"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000007c0)=ANY=[@ANYBLOB="340000002e0029890000000000007fffffff0000", @ANYRES32=r5], 0x34}}, 0x0) [ 1151.842946][ T9829] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. [ 1151.873492][ T9831] overlayfs: unrecognized mount option "metacopy=o" or missing value 02:06:37 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x5000000, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) [ 1152.030162][ T9849] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 02:06:37 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='upperdir=./file1,lowerdir=./bus,workdir=./file0,metacopy=on']) link(&(0x7f0000000200)='./bus/file1\x00', &(0x7f00000002c0)='./bus/file0\x00') newfstatat(0xffffffffffffff9c, &(0x7f0000000040)='./bus/file0\x00', 0x0, 0xc000000) 02:06:37 executing program 2: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='upperdir=./file1,lowerdir=./bus,workdir=./file0,metacopy=on']) link(0x0, &(0x7f00000002c0)='./bus/file0\x00') 02:06:37 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0xbb, 0x0) 02:06:37 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0xbc, 0x0) [ 1152.128910][ T9855] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 1152.144964][ T9852] dlm: Unknown command passed to DLM device : 0 [ 1152.144964][ T9852] [ 1152.241021][ T9863] netlink: 16 bytes leftover after parsing attributes in process `syz-executor.5'. [ 1152.272711][ T9851] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 02:06:37 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x6000000, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:06:37 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0xbc, 0x0) 02:06:37 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0xbd, 0x0) 02:06:37 executing program 2: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='upperdir=./file1,lowerdir=./bus,workdir=./file0,metacopy=on']) link(0x0, &(0x7f00000002c0)='./bus/file0\x00') 02:06:37 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="48000000100005e7ffffff000000000000000000", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r5, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000003c40)=ANY=[@ANYBLOB='H\x00\x00\x00,\x00\'\r\x00'/20, @ANYRES32=r5, @ANYBLOB="0000000000000000080000000a0001007273767036"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000007c0)=ANY=[@ANYBLOB="340000002e002989000000000000ffffffff0000", @ANYRES32=r5], 0x34}}, 0x0) [ 1152.503873][ T9882] dlm: Unknown command passed to DLM device : 0 [ 1152.503873][ T9882] 02:06:37 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0xbd, 0x0) [ 1152.627128][ T9891] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. 02:06:37 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x7000000, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:06:37 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0xbe, 0x0) 02:06:38 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='upperdir=./file1,lowerdir=./bus,workdir=./file0,metacopy=on']) link(&(0x7f0000000200)='./bus/file1\x00', &(0x7f00000002c0)='./bus/file0\x00') newfstatat(0xffffffffffffff9c, &(0x7f0000000040)='./bus/file0\x00', 0x0, 0x12000000) 02:06:38 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="48000000100005e7ffffff000000000000000000", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r5, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000003c40)=ANY=[@ANYBLOB='H\x00\x00\x00,\x00\'\r\x00'/20, @ANYRES32=r5, @ANYBLOB="0000000000000000080000000a0001007273767036"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000007c0)=ANY=[@ANYBLOB="340000002e002989000000f0ffffffffffff0000", @ANYRES32=r5], 0x34}}, 0x0) [ 1152.844929][ T9913] dlm: Unknown command passed to DLM device : 0 [ 1152.844929][ T9913] 02:06:38 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0xbe, 0x0) 02:06:38 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0xa000000, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:06:38 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0xbf, 0x0) 02:06:38 executing program 2: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='upperdir=./file1,lowerdir=./bus,workdir=./file0,metacopy=on']) link(0x0, &(0x7f00000002c0)='./bus/file0\x00') 02:06:38 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="48000000100005e7ffffff000000000000000000", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r5, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000003c40)=ANY=[@ANYBLOB='H\x00\x00\x00,\x00\'\r\x00'/20, @ANYRES32=r5, @ANYBLOB="0000000000000000080000000a0001007273767036"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000007c0)=ANY=[@ANYBLOB="340000002e002989000000020000000000000000", @ANYRES32=r5], 0x34}}, 0x0) [ 1153.141024][ T9937] dlm: Unknown command passed to DLM device : 0 [ 1153.141024][ T9937] 02:06:38 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0xbf, 0x0) 02:06:38 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x20000000, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:06:38 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0xc0, 0x0) 02:06:38 executing program 2: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='upperdir=./file1,lowerdir=./bus,workdir=./file0,metacopy=on']) link(&(0x7f0000000200)='./bus/file1\x00', 0x0) 02:06:38 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0xc0, 0x0) [ 1153.483171][ T9967] dlm: Unknown command passed to DLM device : 0 [ 1153.483171][ T9967] [ 1153.552172][ T9966] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. 02:06:38 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='upperdir=./file1,lowerdir=./bus,workdir=./file0,metacopy=on']) link(&(0x7f0000000200)='./bus/file1\x00', &(0x7f00000002c0)='./bus/file0\x00') newfstatat(0xffffffffffffff9c, &(0x7f0000000040)='./bus/file0\x00', 0x0, 0x2f000000) 02:06:38 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0xc1, 0x0) 02:06:38 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x48000000, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:06:38 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="48000000100005e7ffffff000000000000000000", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r5, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000003c40)=ANY=[@ANYBLOB='H\x00\x00\x00,\x00\'\r\x00'/20, @ANYRES32=r5, @ANYBLOB="0000000000000000080000000a0001007273767036"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000007c0)=ANY=[@ANYBLOB="340000002e002989000000030000000000000000", @ANYRES32=r5], 0x34}}, 0x0) 02:06:39 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0xc1, 0x0) [ 1153.842590][ T9996] dlm: Unknown command passed to DLM device : 0 [ 1153.842590][ T9996] 02:06:39 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0xc2, 0x0) 02:06:39 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x4c000000, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:06:39 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="48000000100005e7ffffff000000000000000000", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r5, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000003c40)=ANY=[@ANYBLOB='H\x00\x00\x00,\x00\'\r\x00'/20, @ANYRES32=r5, @ANYBLOB="0000000000000000080000000a0001007273767036"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000007c0)=ANY=[@ANYBLOB="340000002e002989000000040000000000000000", @ANYRES32=r5], 0x34}}, 0x0) 02:06:39 executing program 2: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='upperdir=./file1,lowerdir=./bus,workdir=./file0,metacopy=on']) link(&(0x7f0000000200)='./bus/file1\x00', 0x0) 02:06:39 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0xc2, 0x0) [ 1154.165443][T10025] dlm: Unknown command passed to DLM device : 0 [ 1154.165443][T10025] 02:06:39 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0xc3, 0x0) [ 1154.247463][T10027] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. 02:06:39 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x50000000, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:06:39 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='upperdir=./file1,lowerdir=./bus,workdir=./file0,metacopy=on']) link(&(0x7f0000000200)='./bus/file1\x00', &(0x7f00000002c0)='./bus/file0\x00') newfstatat(0xffffffffffffff9c, &(0x7f0000000040)='./bus/file0\x00', 0x0, 0x3f000000) 02:06:39 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0xc4, 0x0) 02:06:39 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="48000000100005e7ffffff000000000000000000", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r5, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000003c40)=ANY=[@ANYBLOB='H\x00\x00\x00,\x00\'\r\x00'/20, @ANYRES32=r5, @ANYBLOB="0000000000000000080000000a0001007273767036"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000007c0)=ANY=[@ANYBLOB="340000002e002989000000050000000000000000", @ANYRES32=r5], 0x34}}, 0x0) 02:06:39 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0xc3, 0x0) [ 1154.519578][T10052] dlm: Unknown command passed to DLM device : 0 [ 1154.519578][T10052] 02:06:39 executing program 2: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='upperdir=./file1,lowerdir=./bus,workdir=./file0,metacopy=on']) link(&(0x7f0000000200)='./bus/file1\x00', 0x0) 02:06:39 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x60000000, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:06:39 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0xc5, 0x0) 02:06:40 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0xc4, 0x0) 02:06:40 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0xc6, 0x0) [ 1154.870445][T10081] dlm: Unknown command passed to DLM device : 0 [ 1154.870445][T10081] [ 1154.905680][T10080] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. 02:06:40 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="48000000100005e7ffffff000000000000000000", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r5, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000003c40)=ANY=[@ANYBLOB='H\x00\x00\x00,\x00\'\r\x00'/20, @ANYRES32=r5, @ANYBLOB="0000000000000000080000000a0001007273767036"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000007c0)=ANY=[@ANYBLOB="340000002e002989000000060000000000000000", @ANYRES32=r5], 0x34}}, 0x0) 02:06:40 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x68000000, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:06:40 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='upperdir=./file1,lowerdir=./bus,workdir=./file0,metacopy=on']) link(&(0x7f0000000200)='./bus/file1\x00', &(0x7f00000002c0)='./bus/file0\x00') newfstatat(0xffffffffffffff9c, &(0x7f0000000040)='./bus/file0\x00', 0x0, 0x48000000) 02:06:40 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0xc7, 0x0) 02:06:40 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0xc5, 0x0) 02:06:40 executing program 2: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x74, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) [ 1155.202365][T10111] dlm: Unknown command passed to DLM device : 0 [ 1155.202365][T10111] 02:06:40 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="48000000100005e7ffffff000000000000000000", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r5, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000003c40)=ANY=[@ANYBLOB='H\x00\x00\x00,\x00\'\r\x00'/20, @ANYRES32=r5, @ANYBLOB="0000000000000000080000000a0001007273767036"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000007c0)=ANY=[@ANYBLOB="340000002e002989000000070000000000000000", @ANYRES32=r5], 0x34}}, 0x0) 02:06:40 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x6c000000, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) [ 1155.366432][T10128] dlm: Unknown command passed to DLM device : 116 [ 1155.366432][T10128] 02:06:40 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0xc8, 0x0) 02:06:40 executing program 2: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x7, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:06:40 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0xc6, 0x0) 02:06:40 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x74000000, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) [ 1155.578373][T10139] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. [ 1155.657453][T10156] dlm: no locking on control device 02:06:40 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0xc9, 0x0) [ 1155.696033][T10162] dlm: Unknown command passed to DLM device : 0 [ 1155.696033][T10162] 02:06:40 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0xc7, 0x0) 02:06:40 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='upperdir=./file1,lowerdir=./bus,workdir=./file0,metacopy=on']) link(&(0x7f0000000200)='./bus/file1\x00', &(0x7f00000002c0)='./bus/file0\x00') newfstatat(0xffffffffffffff9c, &(0x7f0000000040)='./bus/file0\x00', 0x0, 0x4c000000) 02:06:40 executing program 2: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x7, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:06:41 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="48000000100005e7ffffff000000000000000000", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r5, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000003c40)=ANY=[@ANYBLOB='H\x00\x00\x00,\x00\'\r\x00'/20, @ANYRES32=r5, @ANYBLOB="0000000000000000080000000a0001007273767036"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000007c0)=ANY=[@ANYBLOB="340000002e002989000000080000000000000000", @ANYRES32=r5], 0x34}}, 0x0) 02:06:41 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x7a000000, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:06:41 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0xca, 0x0) 02:06:41 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0xc8, 0x0) [ 1155.923765][T10183] dlm: no locking on control device [ 1155.943767][T10186] dlm: Unknown command passed to DLM device : 0 [ 1155.943767][T10186] 02:06:41 executing program 2: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x7, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:06:41 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x0, "a3ef03749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:06:41 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="48000000100005e7ffffff000000000000000000", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r5, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000003c40)=ANY=[@ANYBLOB='H\x00\x00\x00,\x00\'\r\x00'/20, @ANYRES32=r5, @ANYBLOB="0000000000000000080000000a0001007273767036"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000007c0)=ANY=[@ANYBLOB="340000002e002989000000090000000000000000", @ANYRES32=r5], 0x34}}, 0x0) 02:06:41 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0xcb, 0x0) 02:06:41 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0xc9, 0x0) [ 1156.179317][T10217] dlm: Unknown command passed to DLM device : 0 [ 1156.179317][T10217] [ 1156.240535][T10219] dlm: no locking on control device 02:06:41 executing program 2: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) write$nbd(0xffffffffffffffff, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x7, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) [ 1156.322876][T10226] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. [ 1156.345466][T10229] __nla_validate_parse: 53 callbacks suppressed [ 1156.345476][T10229] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 1156.450368][T10240] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 02:06:41 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='upperdir=./file1,lowerdir=./bus,workdir=./file0,metacopy=on']) link(&(0x7f0000000200)='./bus/file1\x00', &(0x7f00000002c0)='./bus/file0\x00') newfstatat(0xffffffffffffff9c, &(0x7f0000000040)='./bus/file0\x00', 0x0, 0x68000000) 02:06:41 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x0, "a3ef5d749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:06:41 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0xca, 0x0) 02:06:41 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0xcc, 0x0) [ 1156.494001][T10240] netlink: 16 bytes leftover after parsing attributes in process `syz-executor.5'. [ 1156.532852][T10237] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 02:06:41 executing program 2: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) write$nbd(0xffffffffffffffff, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x7, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) [ 1156.589892][T10240] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 1156.649651][T10256] dlm: Unknown command passed to DLM device : 0 [ 1156.649651][T10256] [ 1156.695933][T10251] netlink: 16 bytes leftover after parsing attributes in process `syz-executor.5'. 02:06:41 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0xcd, 0x0) 02:06:41 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0xcb, 0x0) 02:06:41 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x0, "a3ef070a9fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:06:42 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="48000000100005e7ffffff000000000000000000", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r5, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000003c40)=ANY=[@ANYBLOB='H\x00\x00\x00,\x00\'\r\x00'/20, @ANYRES32=r5, @ANYBLOB="0000000000000000080000000a0001007273767036"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000007c0)=ANY=[@ANYBLOB="340000002e0029890000000a0000000000000000", @ANYRES32=r5], 0x34}}, 0x0) 02:06:42 executing program 2: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) write$nbd(0xffffffffffffffff, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x7, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:06:42 executing program 2: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x7, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) [ 1156.940518][T10285] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 1156.949028][T10284] dlm: Unknown command passed to DLM device : 0 [ 1156.949028][T10284] 02:06:42 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0xce, 0x0) [ 1157.042751][T10296] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 1157.107475][T10295] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. [ 1157.119747][T10300] netlink: 16 bytes leftover after parsing attributes in process `syz-executor.5'. [ 1157.148431][T10285] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 1157.152354][T10305] dlm: no locking on control device 02:06:42 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='upperdir=./file1,lowerdir=./bus,workdir=./file0,metacopy=on']) link(&(0x7f0000000200)='./bus/file1\x00', &(0x7f00000002c0)='./bus/file0\x00') newfstatat(0xffffffffffffff9c, &(0x7f0000000040)='./bus/file0\x00', 0x0, 0x6c000000) 02:06:42 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0xcc, 0x0) 02:06:42 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x0, "a3ef07259fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:06:42 executing program 2: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x7, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:06:42 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0xcf, 0x0) 02:06:42 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="48000000100005e7ffffff000000000000000000", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r5, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000003c40)=ANY=[@ANYBLOB='H\x00\x00\x00,\x00\'\r\x00'/20, @ANYRES32=r5, @ANYBLOB="0000000000000000080000000a0001007273767036"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000007c0)=ANY=[@ANYBLOB="340000002e0029890000000c0000000000000000", @ANYRES32=r5], 0x34}}, 0x0) 02:06:42 executing program 2: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x7, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) [ 1157.385571][T10320] dlm: Unknown command passed to DLM device : 0 [ 1157.385571][T10320] [ 1157.403553][T10325] dlm: no locking on control device 02:06:42 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x0, "a3ef07749fa55f625da6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:06:42 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0xcd, 0x0) 02:06:42 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0xd0, 0x0) [ 1157.553204][T10340] dlm: no locking on control device 02:06:42 executing program 2: exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x7, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) [ 1157.688954][T10349] dlm: Unknown command passed to DLM device : 0 [ 1157.688954][T10349] 02:06:43 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0xd1, 0x0) [ 1157.910035][T10372] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. 02:06:43 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='upperdir=./file1,lowerdir=./bus,workdir=./file0,metacopy=on']) link(&(0x7f0000000200)='./bus/file1\x00', &(0x7f00000002c0)='./bus/file0\x00') newfstatat(0xffffffffffffff9c, &(0x7f0000000040)='./bus/file0\x00', 0x0, 0x74000000) 02:06:43 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0xce, 0x0) 02:06:43 executing program 2: exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x7, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:06:43 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="48000000100005e7ffffff000000000000000000", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r5, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000003c40)=ANY=[@ANYBLOB='H\x00\x00\x00,\x00\'\r\x00'/20, @ANYRES32=r5, @ANYBLOB="0000000000000000080000000a0001007273767036"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000007c0)=ANY=[@ANYBLOB="340000002e0029890000000e0000000000000000", @ANYRES32=r5], 0x34}}, 0x0) 02:06:43 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x0, "a3ef07749fa55f625aa6af097307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:06:43 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0xd2, 0x0) 02:06:43 executing program 2: exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x7, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) [ 1158.167507][T10392] dlm: Unknown command passed to DLM device : 0 [ 1158.167507][T10392] 02:06:43 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0xcf, 0x0) 02:06:43 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0xd3, 0x0) 02:06:43 executing program 2: clone(0x0, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x7, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:06:43 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x0, "a3ef07749fa55f625aa6af5d7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:06:43 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="48000000100005e7ffffff000000000000000000", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r5, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000003c40)=ANY=[@ANYBLOB='H\x00\x00\x00,\x00\'\r\x00'/20, @ANYRES32=r5, @ANYBLOB="0000000000000000080000000a0001007273767036"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000007c0)=ANY=[@ANYBLOB="340000002e0029890000000f0000000000000000", @ANYRES32=r5], 0x34}}, 0x0) [ 1158.557127][T10435] dlm: Unknown command passed to DLM device : 0 [ 1158.557127][T10435] [ 1158.663248][T10443] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. 02:06:43 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='upperdir=./file1,lowerdir=./bus,workdir=./file0,metacopy=on']) link(&(0x7f0000000200)='./bus/file1\x00', &(0x7f00000002c0)='./bus/file0\x00') newfstatat(0xffffffffffffff9c, &(0x7f0000000040)='./bus/file0\x00', 0x0, 0x7a000000) 02:06:43 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0xd0, 0x0) 02:06:43 executing program 2: clone(0x0, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x7, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:06:43 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0xd4, 0x0) 02:06:43 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x0, "a3ef07749fa55f625aa6af3c0a07f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:06:44 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="48000000100005e7ffffff000000000000000000", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r5, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000003c40)=ANY=[@ANYBLOB='H\x00\x00\x00,\x00\'\r\x00'/20, @ANYRES32=r5, @ANYBLOB="0000000000000000080000000a0001007273767036"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000007c0)=ANY=[@ANYBLOB="340000002e002989000000100000000000000000", @ANYRES32=r5], 0x34}}, 0x0) [ 1158.867681][T10456] dlm: Unknown command passed to DLM device : 0 [ 1158.867681][T10456] 02:06:44 executing program 2: clone(0x0, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x7, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:06:44 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x0, "a3ef07749fa55f625aa6af3c2507f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:06:44 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0xd1, 0x0) 02:06:44 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0xd5, 0x0) [ 1159.111484][T10479] dlm: Unknown command passed to DLM device : 0 [ 1159.111484][T10479] 02:06:44 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="48000000100005e7ffffff000000000000000000", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r5, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000003c40)=ANY=[@ANYBLOB='H\x00\x00\x00,\x00\'\r\x00'/20, @ANYRES32=r5, @ANYBLOB="0000000000000000080000000a0001007273767036"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000007c0)=ANY=[@ANYBLOB="340000002e002989000000480000000000000000", @ANYRES32=r5], 0x34}}, 0x0) 02:06:44 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x0, "a3ef07749fa55f625aa6af3c2e07f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) [ 1159.355590][T10500] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. [ 1159.424503][T10504] dlm: Unknown command passed to DLM device : 0 [ 1159.424503][T10504] 02:06:44 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='upperdir=./file1,lowerdir=./bus,workdir=./file0,metacopy=on']) link(&(0x7f0000000200)='./bus/file1\x00', &(0x7f00000002c0)='./bus/file0\x00') newfstatat(0xffffffffffffff9c, &(0x7f0000000040)='./bus/file0\x00', 0x0, 0x8cffffff) 02:06:44 executing program 2: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, 0x0, 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x7, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:06:44 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0xd2, 0x0) 02:06:44 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0xd6, 0x0) 02:06:44 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x0, "a3ef07749fa55f625aa6af3c5807f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:06:44 executing program 2: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, 0x0, 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x7, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:06:44 executing program 2: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, 0x0, 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x7, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:06:44 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0xd3, 0x0) 02:06:44 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x0, "a3ef07749fa55f625aa6af3c6307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:06:44 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0xd7, 0x0) 02:06:44 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="48000000100005e7ffffff000000000000000000", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r5, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000003c40)=ANY=[@ANYBLOB='H\x00\x00\x00,\x00\'\r\x00'/20, @ANYRES32=r5, @ANYBLOB="0000000000000000080000000a0001007273767036"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000007c0)=ANY=[@ANYBLOB="340000002e0029890000004c0000000000000000", @ANYRES32=r5], 0x34}}, 0x0) 02:06:44 executing program 2: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x7, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) [ 1159.881477][T10553] dlm: Unknown command passed to DLM device : 0 [ 1159.881477][T10553] [ 1160.031911][T10568] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. 02:06:45 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='upperdir=./file1,lowerdir=./bus,workdir=./file0,metacopy=on']) link(&(0x7f0000000200)='./bus/file1\x00', &(0x7f00000002c0)='./bus/file0\x00') newfstatat(0xffffffffffffff9c, &(0x7f0000000040)='./bus/file0\x00', 0x0, 0xf6ffffff) 02:06:45 executing program 2: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x7, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:06:45 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0xd4, 0x0) 02:06:45 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0xd8, 0x0) 02:06:45 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x0, "a3ef07749fa55f625aa6af3c6407f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:06:45 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="48000000100005e7ffffff000000000000000000", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r5, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000003c40)=ANY=[@ANYBLOB='H\x00\x00\x00,\x00\'\r\x00'/20, @ANYRES32=r5, @ANYBLOB="0000000000000000080000000a0001007273767036"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000007c0)=ANY=[@ANYBLOB="340000002e002989000000600000000000000000", @ANYRES32=r5], 0x34}}, 0x0) [ 1160.295377][T10591] dlm: Unknown command passed to DLM device : 0 [ 1160.295377][T10591] 02:06:45 executing program 2: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x7, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:06:45 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0xd5, 0x0) 02:06:45 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x0, "a3ef07749fa55f625aa6af3c6907f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:06:45 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0xd9, 0x0) 02:06:45 executing program 2: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(0xffffffffffffffff, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x7, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:06:45 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="48000000100005e7ffffff000000000000000000", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r5, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000003c40)=ANY=[@ANYBLOB='H\x00\x00\x00,\x00\'\r\x00'/20, @ANYRES32=r5, @ANYBLOB="0000000000000000080000000a0001007273767036"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000007c0)=ANY=[@ANYBLOB="340000002e002989000000680000000000000000", @ANYRES32=r5], 0x34}}, 0x0) [ 1160.639289][T10626] dlm: Unknown command passed to DLM device : 0 [ 1160.639289][T10626] [ 1160.702868][T10634] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. 02:06:46 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='upperdir=./file1,lowerdir=./bus,workdir=./file0,metacopy=on']) link(&(0x7f0000000200)='./bus/file1\x00', &(0x7f00000002c0)='./bus/file0\x00') newfstatat(0xffffffffffffff9c, &(0x7f0000000040)='./bus/file0\x00', 0x0, 0xfeffffff) 02:06:46 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0xd6, 0x0) 02:06:46 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0xda, 0x0) 02:06:46 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x0, "a3ef07749fa55f625aa6af3c6c07f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:06:46 executing program 2: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(0xffffffffffffffff, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x7, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:06:46 executing program 2: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(0xffffffffffffffff, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x7, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) [ 1161.028518][T10660] dlm: Unknown command passed to DLM device : 0 [ 1161.028518][T10660] 02:06:46 executing program 2: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, 0x0, 0x0) 02:06:46 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="48000000100005e7ffffff000000000000000000", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r5, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000003c40)=ANY=[@ANYBLOB='H\x00\x00\x00,\x00\'\r\x00'/20, @ANYRES32=r5, @ANYBLOB="0000000000000000080000000a0001007273767036"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000007c0)=ANY=[@ANYBLOB="340000002e0029890000006c0000000000000000", @ANYRES32=r5], 0x34}}, 0x0) 02:06:46 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0xd7, 0x0) 02:06:46 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0xdb, 0x0) 02:06:46 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x0, "a3ef07749fa55f625aa6af3c6f07f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:06:46 executing program 2: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, 0x0, 0x0) [ 1161.288569][T10683] dlm: Unknown command passed to DLM device : 0 [ 1161.288569][T10683] [ 1161.347955][T10689] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. [ 1161.413412][T10701] __nla_validate_parse: 50 callbacks suppressed [ 1161.413423][T10701] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 1161.485381][T10704] netlink: 16 bytes leftover after parsing attributes in process `syz-executor.5'. 02:06:46 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='upperdir=./file1,lowerdir=./bus,workdir=./file0,metacopy=on']) link(&(0x7f0000000200)='./bus/file1\x00', &(0x7f00000002c0)='./bus/file0\x00') newfstatat(0xffffffffffffff9c, &(0x7f0000000040)='./bus/file0\x00', 0x0, 0xff000000) 02:06:46 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0xd8, 0x0) 02:06:46 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0xdc, 0x0) 02:06:46 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x0, "a3ef07749fa55f625aa6af3c7007f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:06:46 executing program 2: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, 0x0, 0x0) [ 1161.529691][T10688] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 1161.540375][T10695] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 1161.672798][T10715] dlm: Unknown command passed to DLM device : 0 [ 1161.672798][T10715] [ 1161.738891][T10701] netlink: 16 bytes leftover after parsing attributes in process `syz-executor.5'. 02:06:46 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0xd9, 0x0) 02:06:46 executing program 2: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:06:47 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="48000000100005e7ffffff000000000000000000", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r5, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000003c40)=ANY=[@ANYBLOB='H\x00\x00\x00,\x00\'\r\x00'/20, @ANYRES32=r5, @ANYBLOB="0000000000000000080000000a0001007273767036"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000007c0)=ANY=[@ANYBLOB="340000002e002989000000740000000000000000", @ANYRES32=r5], 0x34}}, 0x0) 02:06:47 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0xdd, 0x0) 02:06:47 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x0, "a3ef07749fa55f625aa6af3c7507f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) [ 1161.923440][T10736] dlm: Unknown command passed to DLM device : 0 [ 1161.923440][T10736] 02:06:47 executing program 2: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) [ 1162.040700][T10748] dlm: Unknown command passed to DLM device : 0 [ 1162.040700][T10748] [ 1162.063756][T10754] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 02:06:47 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0xda, 0x0) [ 1162.173450][T10758] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. [ 1162.190212][T10760] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 1162.238494][T10764] netlink: 16 bytes leftover after parsing attributes in process `syz-executor.5'. [ 1162.251641][T10765] dlm: Unknown command passed to DLM device : 0 [ 1162.251641][T10765] [ 1162.269859][T10757] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 1162.290438][T10754] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 02:06:47 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='upperdir=./file1,lowerdir=./bus,workdir=./file0,metacopy=on']) link(&(0x7f0000000200)='./bus/file1\x00', &(0x7f00000002c0)='./bus/file0\x00') newfstatat(0xffffffffffffff9c, &(0x7f0000000040)='./bus/file0\x00', 0x0, 0xfffff000) 02:06:47 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0xde, 0x0) 02:06:47 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x0, "a3ef07749fa55f625aa6af3c7807f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:06:47 executing program 2: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:06:47 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="48000000100005e7ffffff000000000000000000", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r5, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000003c40)=ANY=[@ANYBLOB='H\x00\x00\x00,\x00\'\r\x00'/20, @ANYRES32=r5, @ANYBLOB="0000000000000000080000000a0001007273767036"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000007c0)=ANY=[@ANYBLOB="340000002e0029890000007a0000000000000000", @ANYRES32=r5], 0x34}}, 0x0) 02:06:47 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0xdb, 0x0) 02:06:47 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0xdf, 0x0) [ 1162.471589][T10779] dlm: Unknown command passed to DLM device : 0 [ 1162.471589][T10779] [ 1162.495223][T10785] dlm: Unknown command passed to DLM device : 0 [ 1162.495223][T10785] 02:06:47 executing program 2: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x7}, 0x10) 02:06:47 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x0, "a3ef07749fa55f625aa6af3c7303f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:06:47 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0xe0, 0x0) 02:06:47 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0xdc, 0x0) 02:06:47 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x0, "a3ef07749fa55f625aa6af3c735df2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) [ 1162.890398][T10827] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. [ 1162.914566][T10828] dlm: Unknown command passed to DLM device : 0 [ 1162.914566][T10828] 02:06:48 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='upperdir=./file1,lowerdir=./bus,workdir=./file0,metacopy=on']) link(&(0x7f0000000200)='./bus/file1\x00', &(0x7f00000002c0)='./bus/file0\x00') newfstatat(0xffffffffffffff9c, &(0x7f0000000040)='./bus/file0\x00', 0x0, 0xffffff8c) 02:06:48 executing program 2: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x7}, 0x10) 02:06:48 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="48000000100005e7ffffff000000000000000000", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r5, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000003c40)=ANY=[@ANYBLOB='H\x00\x00\x00,\x00\'\r\x00'/20, @ANYRES32=r5, @ANYBLOB="0000000000000000080000000a0001007273767036"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000007c0)=ANY=[@ANYBLOB="340000002e002989000000f00000000000000000", @ANYRES32=r5], 0x34}}, 0x0) 02:06:48 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x0, "a3ef07749fa55f625aa6af3c7307f2309cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:06:48 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0xdd, 0x0) 02:06:48 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0xe1, 0x0) 02:06:48 executing program 2: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x7}, 0x10) [ 1163.142759][T10846] dlm: Unknown command passed to DLM device : 0 [ 1163.142759][T10846] 02:06:48 executing program 2: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x7, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe6"}, 0x3c) 02:06:48 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0xde, 0x0) 02:06:48 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x0, "a3ef07749fa55f625aa6af3c7307f25d9cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:06:48 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="48000000100005e7ffffff000000000000000000", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r5, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000003c40)=ANY=[@ANYBLOB='H\x00\x00\x00,\x00\'\r\x00'/20, @ANYRES32=r5, @ANYBLOB="0000000000000000080000000a0001007273767036"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000007c0)=ANY=[@ANYBLOB="340000002e002989000000000300000000000000", @ANYRES32=r5], 0x34}}, 0x0) 02:06:48 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0xe2, 0x0) [ 1163.495489][T10882] dlm: Unknown command passed to DLM device : 0 [ 1163.495489][T10882] [ 1163.541705][T10881] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. 02:06:48 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='upperdir=./file1,lowerdir=./bus,workdir=./file0,metacopy=on']) link(&(0x7f0000000200)='./bus/file1\x00', &(0x7f00000002c0)='./bus/file0\x00') newfstatat(0xffffffffffffff9c, &(0x7f0000000040)='./bus/file0\x00', 0x0, 0xfffffff6) 02:06:48 executing program 2: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x7, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe6"}, 0x3c) 02:06:48 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0xdf, 0x0) 02:06:48 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0xe3, 0x0) 02:06:48 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba095a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:06:48 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="48000000100005e7ffffff000000000000000000", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r5, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000003c40)=ANY=[@ANYBLOB='H\x00\x00\x00,\x00\'\r\x00'/20, @ANYRES32=r5, @ANYBLOB="0000000000000000080000000a0001007273767036"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000007c0)=ANY=[@ANYBLOB="340000002e002989000000000500000000000000", @ANYRES32=r5], 0x34}}, 0x0) [ 1163.856412][T10912] dlm: Unknown command passed to DLM device : 0 [ 1163.856412][T10912] 02:06:49 executing program 2: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x7, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe6"}, 0x3c) 02:06:49 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0xe0, 0x0) 02:06:49 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0xe4, 0x0) 02:06:49 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba255a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:06:49 executing program 2: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x7, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a"}, 0x52) 02:06:49 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0xe1, 0x0) [ 1164.157352][T10945] dlm: Unknown command passed to DLM device : 0 [ 1164.157352][T10945] [ 1164.267113][T10948] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. 02:06:49 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='upperdir=./file1,lowerdir=./bus,workdir=./file0,metacopy=on']) link(&(0x7f0000000200)='./bus/file1\x00', &(0x7f00000002c0)='./bus/file0\x00') newfstatat(0xffffffffffffff9c, &(0x7f0000000040)='./bus/file0\x00', 0x0, 0xfffffffe) 02:06:49 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="48000000100005e7ffffff000000000000000000", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r5, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000003c40)=ANY=[@ANYBLOB='H\x00\x00\x00,\x00\'\r\x00'/20, @ANYRES32=r5, @ANYBLOB="0000000000000000080000000a0001007273767036"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000007c0)=ANY=[@ANYBLOB="340000002e002989000000000600000000000000", @ANYRES32=r5], 0x34}}, 0x0) 02:06:49 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0xe5, 0x0) 02:06:49 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba305a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:06:49 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0xe2, 0x0) 02:06:49 executing program 2: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x7, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a"}, 0x52) [ 1164.470675][T10966] dlm: Unknown command passed to DLM device : 0 [ 1164.470675][T10966] 02:06:49 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba375a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:06:49 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0xe6, 0x0) 02:06:49 executing program 2: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x7, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a"}, 0x52) 02:06:49 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="48000000100005e7ffffff000000000000000000", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r5, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000003c40)=ANY=[@ANYBLOB='H\x00\x00\x00,\x00\'\r\x00'/20, @ANYRES32=r5, @ANYBLOB="0000000000000000080000000a0001007273767036"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000007c0)=ANY=[@ANYBLOB="340000002e002989000000000700000000000000", @ANYRES32=r5], 0x34}}, 0x0) [ 1164.708822][T10990] dlm: Unknown command passed to DLM device : 0 [ 1164.708822][T10990] 02:06:49 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0xe3, 0x0) 02:06:50 executing program 2: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x7, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b4639"}, 0x5d) [ 1164.856041][T11001] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. 02:06:50 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='upperdir=./file1,lowerdir=./bus,workdir=./file0,metacopy=on']) link(&(0x7f0000000200)='./bus/file1\x00', &(0x7f00000002c0)='./bus/file0\x00') newfstatat(0xffffffffffffff9c, &(0x7f0000000040)='./bus/file0\x00', 0x0, 0xf0ffffffffffff) 02:06:50 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0xe7, 0x0) 02:06:50 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba5d5a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:06:50 executing program 2: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x7, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b4639"}, 0x5d) 02:06:50 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0xe4, 0x0) 02:06:50 executing program 2: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x7, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b4639"}, 0x5d) [ 1165.129203][T11028] dlm: Unknown command passed to DLM device : 0 [ 1165.129203][T11028] 02:06:50 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0xe8, 0x0) 02:06:50 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="48000000100005e7ffffff000000000000000000", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r5, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000003c40)=ANY=[@ANYBLOB='H\x00\x00\x00,\x00\'\r\x00'/20, @ANYRES32=r5, @ANYBLOB="0000000000000000080000000a0001007273767036"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000007c0)=ANY=[@ANYBLOB="340000002e002989000000000900000000000000", @ANYRES32=r5], 0x34}}, 0x0) 02:06:50 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba635a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:06:50 executing program 2: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x7, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c46842"}, 0x63) 02:06:50 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0xe5, 0x0) [ 1165.406580][T11057] dlm: Unknown command passed to DLM device : 0 [ 1165.406580][T11057] 02:06:50 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0xe9, 0x0) [ 1165.536769][T11067] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. 02:06:50 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='upperdir=./file1,lowerdir=./bus,workdir=./file0,metacopy=on']) link(&(0x7f0000000200)='./bus/file1\x00', &(0x7f00000002c0)='./bus/file0\x00') newfstatat(0xffffffffffffff9c, &(0x7f0000000040)='./bus/file0\x00', 0x0, 0x100000000000000) 02:06:50 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="48000000100005e7ffffff000000000000000000", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r5, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000003c40)=ANY=[@ANYBLOB='H\x00\x00\x00,\x00\'\r\x00'/20, @ANYRES32=r5, @ANYBLOB="0000000000000000080000000a0001007273767036"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000007c0)=ANY=[@ANYBLOB="340000002e002989000000000a00000000000000", @ANYRES32=r5], 0x34}}, 0x0) 02:06:50 executing program 2: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x7, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c46842"}, 0x63) 02:06:50 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335d2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:06:50 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0xe6, 0x0) 02:06:50 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0xea, 0x0) 02:06:50 executing program 2: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x7, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c46842"}, 0x63) 02:06:50 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a5dd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:06:51 executing program 2: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x7, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5"}, 0x66) 02:06:51 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0xe7, 0x0) [ 1165.955083][T11116] dlm: Unknown command passed to DLM device : 0 [ 1165.955083][T11116] 02:06:51 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0xeb, 0x0) 02:06:51 executing program 2: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x7, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5"}, 0x66) [ 1166.180238][T11139] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. 02:06:51 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='upperdir=./file1,lowerdir=./bus,workdir=./file0,metacopy=on']) link(&(0x7f0000000200)='./bus/file1\x00', &(0x7f00000002c0)='./bus/file0\x00') newfstatat(0xffffffffffffff9c, &(0x7f0000000040)='./bus/file0\x00', 0x0, 0x200000000000000) 02:06:51 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="48000000100005e7ffffff000000000000000000", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r5, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000003c40)=ANY=[@ANYBLOB='H\x00\x00\x00,\x00\'\r\x00'/20, @ANYRES32=r5, @ANYBLOB="0000000000000000080000000a0001007273767036"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000007c0)=ANY=[@ANYBLOB="340000002e002989000000120b00000000000000", @ANYRES32=r5], 0x34}}, 0x0) 02:06:51 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede55dd502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:06:51 executing program 2: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x7, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5"}, 0x66) 02:06:51 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0xe8, 0x0) 02:06:51 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0xec, 0x0) [ 1166.391745][T11151] dlm: Unknown command passed to DLM device : 0 [ 1166.391745][T11151] [ 1166.417971][T11153] __nla_validate_parse: 48 callbacks suppressed [ 1166.417981][T11153] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 02:06:51 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d55d000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:06:51 executing program 2: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x7, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7"}, 0x67) [ 1166.518879][T11165] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 02:06:51 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0xe9, 0x0) [ 1166.615889][T11169] netlink: 16 bytes leftover after parsing attributes in process `syz-executor.5'. [ 1166.648263][T11161] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 02:06:51 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0xed, 0x0) [ 1166.657989][T11165] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 1166.709959][T11179] dlm: Unknown command passed to DLM device : 0 [ 1166.709959][T11179] 02:06:51 executing program 2: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x7, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7"}, 0x67) 02:06:52 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d5a1030000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) [ 1166.818009][T11169] netlink: 16 bytes leftover after parsing attributes in process `syz-executor.5'. [ 1166.958277][T11200] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. [ 1167.015299][T11205] dlm: Unknown command passed to DLM device : 0 [ 1167.015299][T11205] 02:06:52 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='upperdir=./file1,lowerdir=./bus,workdir=./file0,metacopy=on']) link(&(0x7f0000000200)='./bus/file1\x00', &(0x7f00000002c0)='./bus/file0\x00') newfstatat(0xffffffffffffff9c, &(0x7f0000000040)='./bus/file0\x00', 0x0, 0x300000000000000) 02:06:52 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0xea, 0x0) 02:06:52 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="48000000100005e7ffffff000000000000000000", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r5, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000003c40)=ANY=[@ANYBLOB='H\x00\x00\x00,\x00\'\r\x00'/20, @ANYRES32=r5, @ANYBLOB="0000000000000000080000000a0001007273767036"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000007c0)=ANY=[@ANYBLOB="340000002e002989000000130b00000000000000", @ANYRES32=r5], 0x34}}, 0x0) 02:06:52 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0xee, 0x0) 02:06:52 executing program 2: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x7, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7"}, 0x67) 02:06:52 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502020000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) [ 1167.178348][T11215] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 1167.207330][T11220] dlm: Unknown command passed to DLM device : 0 [ 1167.207330][T11220] 02:06:52 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502030000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:06:52 executing program 2: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='upperdir=./file1,lowerdir=./bus,workdir=./file0,metacopy=on']) link(&(0x7f0000000200)='./bus/file1\x00', &(0x7f00000002c0)='./bus/file0\x00') newfstatat(0xffffffffffffff9c, &(0x7f0000000040)='./bus/file0\x00', 0x0, 0x4c000000) [ 1167.271928][T11237] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 02:06:52 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0xeb, 0x0) 02:06:52 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0xef, 0x0) [ 1167.343455][T11238] netlink: 16 bytes leftover after parsing attributes in process `syz-executor.5'. [ 1167.369115][T11215] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 1167.422302][T11243] dlm: Unknown command passed to DLM device : 0 [ 1167.422302][T11243] 02:06:52 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502040000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:06:52 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="48000000100005e7ffffff000000000000000000", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r5, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000003c40)=ANY=[@ANYBLOB='H\x00\x00\x00,\x00\'\r\x00'/20, @ANYRES32=r5, @ANYBLOB="0000000000000000080000000a0001007273767036"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000007c0)=ANY=[@ANYBLOB="340000002e002989000000000c00000000000000", @ANYRES32=r5], 0x34}}, 0x0) [ 1167.810966][T11271] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. 02:06:53 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='upperdir=./file1,lowerdir=./bus,workdir=./file0,metacopy=on']) link(&(0x7f0000000200)='./bus/file1\x00', &(0x7f00000002c0)='./bus/file0\x00') newfstatat(0xffffffffffffff9c, &(0x7f0000000040)='./bus/file0\x00', 0x0, 0x400000000000000) 02:06:53 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0xf0, 0x0) 02:06:53 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0xec, 0x0) 02:06:53 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502050000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:06:53 executing program 2: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0xcb, 0x0) 02:06:53 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="48000000100005e7ffffff000000000000000000", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r5, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000003c40)=ANY=[@ANYBLOB='H\x00\x00\x00,\x00\'\r\x00'/20, @ANYRES32=r5, @ANYBLOB="0000000000000000080000000a0001007273767036"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000007c0)=ANY=[@ANYBLOB="340000002e002989000000000e00000000000000", @ANYRES32=r5], 0x34}}, 0x0) 02:06:53 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0xed, 0x0) [ 1168.031365][T11290] dlm: Unknown command passed to DLM device : 0 [ 1168.031365][T11290] 02:06:53 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502060000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:06:53 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0xf1, 0x0) 02:06:53 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0xee, 0x0) 02:06:53 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502070000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:06:53 executing program 2: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x5, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) [ 1168.524417][T11342] dlm: Unknown command passed to DLM device : 0 [ 1168.524417][T11342] [ 1168.538444][T11339] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. 02:06:53 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='upperdir=./file1,lowerdir=./bus,workdir=./file0,metacopy=on']) link(&(0x7f0000000200)='./bus/file1\x00', &(0x7f00000002c0)='./bus/file0\x00') newfstatat(0xffffffffffffff9c, &(0x7f0000000040)='./bus/file0\x00', 0x0, 0x500000000000000) 02:06:53 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="48000000100005e7ffffff000000000000000000", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r5, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000003c40)=ANY=[@ANYBLOB='H\x00\x00\x00,\x00\'\r\x00'/20, @ANYRES32=r5, @ANYBLOB="0000000000000000080000000a0001007273767036"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000007c0)=ANY=[@ANYBLOB="340000002e002989000000c00e00000000000000", @ANYRES32=r5], 0x34}}, 0x0) 02:06:53 executing program 2: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x5, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:06:53 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0xf2, 0x0) 02:06:53 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0xef, 0x0) 02:06:53 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d5020a0000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) [ 1168.783023][T11356] dlm: Unknown command passed to DLM device : 0 [ 1168.783023][T11356] 02:06:54 executing program 2: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x5, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:06:54 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0xf0, 0x0) 02:06:54 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0xf3, 0x0) 02:06:54 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502480000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:06:54 executing program 2: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) write$nbd(0xffffffffffffffff, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x5, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:06:54 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0xf1, 0x0) [ 1169.118104][T11394] dlm: Unknown command passed to DLM device : 0 [ 1169.118104][T11394] [ 1169.263661][T11405] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. 02:06:54 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='upperdir=./file1,lowerdir=./bus,workdir=./file0,metacopy=on']) link(&(0x7f0000000200)='./bus/file1\x00', &(0x7f00000002c0)='./bus/file0\x00') newfstatat(0xffffffffffffff9c, &(0x7f0000000040)='./bus/file0\x00', 0x0, 0x600000000000000) 02:06:54 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="48000000100005e7ffffff000000000000000000", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r5, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000003c40)=ANY=[@ANYBLOB='H\x00\x00\x00,\x00\'\r\x00'/20, @ANYRES32=r5, @ANYBLOB="0000000000000000080000000a0001007273767036"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000007c0)=ANY=[@ANYBLOB="340000002e002989000000000f00000000000000", @ANYRES32=r5], 0x34}}, 0x0) 02:06:54 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0xf4, 0x0) 02:06:54 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d5024c0000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:06:54 executing program 2: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) write$nbd(0xffffffffffffffff, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x5, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:06:54 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0xf2, 0x0) 02:06:54 executing program 2: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) write$nbd(0xffffffffffffffff, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x5, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) [ 1169.479818][T11419] dlm: Unknown command passed to DLM device : 0 [ 1169.479818][T11419] 02:06:54 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502500000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:06:54 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0xf5, 0x0) 02:06:54 executing program 2: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x5, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:06:54 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0xf3, 0x0) 02:06:54 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="48000000100005e7ffffff000000000000000000", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r5, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000003c40)=ANY=[@ANYBLOB='H\x00\x00\x00,\x00\'\r\x00'/20, @ANYRES32=r5, @ANYBLOB="0000000000000000080000000a0001007273767036"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000007c0)=ANY=[@ANYBLOB="340000002e0029890000000b1200000000000000", @ANYRES32=r5], 0x34}}, 0x0) [ 1169.764216][T11451] dlm: Unknown command passed to DLM device : 0 [ 1169.764216][T11451] [ 1169.997959][T11473] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. 02:06:55 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='upperdir=./file1,lowerdir=./bus,workdir=./file0,metacopy=on']) link(&(0x7f0000000200)='./bus/file1\x00', &(0x7f00000002c0)='./bus/file0\x00') newfstatat(0xffffffffffffff9c, &(0x7f0000000040)='./bus/file0\x00', 0x0, 0x700000000000000) 02:06:55 executing program 2: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x5, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:06:55 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502600000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:06:55 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0xf6, 0x0) 02:06:55 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0xf4, 0x0) 02:06:55 executing program 2: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x5, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) [ 1170.210944][T11486] dlm: Unknown command passed to DLM device : 0 [ 1170.210944][T11486] 02:06:55 executing program 2: exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x5, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:06:55 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0xf5, 0x0) 02:06:55 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0xf7, 0x0) 02:06:55 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502680000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:06:55 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="48000000100005e7ffffff000000000000000000", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r5, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000003c40)=ANY=[@ANYBLOB='H\x00\x00\x00,\x00\'\r\x00'/20, @ANYRES32=r5, @ANYBLOB="0000000000000000080000000a0001007273767036"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000007c0)=ANY=[@ANYBLOB="340000002e0029890000000b1300000000000000", @ANYRES32=r5], 0x34}}, 0x0) 02:06:55 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0xf6, 0x0) [ 1170.500832][T11511] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. [ 1170.570043][T11522] dlm: Unknown command passed to DLM device : 0 [ 1170.570043][T11522] 02:06:55 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='upperdir=./file1,lowerdir=./bus,workdir=./file0,metacopy=on']) link(&(0x7f0000000200)='./bus/file1\x00', &(0x7f00000002c0)='./bus/file0\x00') newfstatat(0xffffffffffffff9c, &(0x7f0000000040)='./bus/file0\x00', 0x0, 0x800000000000000) 02:06:55 executing program 2: exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x5, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:06:55 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0xf8, 0x0) 02:06:55 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d5026c0000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:06:55 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0xf7, 0x0) 02:06:55 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="48000000100005e7ffffff000000000000000000", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r5, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000003c40)=ANY=[@ANYBLOB='H\x00\x00\x00,\x00\'\r\x00'/20, @ANYRES32=r5, @ANYBLOB="0000000000000000080000000a0001007273767036"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000007c0)=ANY=[@ANYBLOB="340000002e002989000000002000000000000000", @ANYRES32=r5], 0x34}}, 0x0) 02:06:55 executing program 2: exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x5, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) [ 1170.869056][T11551] dlm: Unknown command passed to DLM device : 0 [ 1170.869056][T11551] 02:06:56 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502740000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:06:56 executing program 2: clone(0x0, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x5, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:06:56 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0xf8, 0x0) 02:06:56 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="48000000100005e7ffffff000000000000000000", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r5, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000003c40)=ANY=[@ANYBLOB='H\x00\x00\x00,\x00\'\r\x00'/20, @ANYRES32=r5, @ANYBLOB="0000000000000000080000000a0001007273767036"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000007c0)=ANY=[@ANYBLOB="340000002e002989000000003f00000000000000", @ANYRES32=r5], 0x34}}, 0x0) [ 1171.199236][T11583] dlm: Unknown command passed to DLM device : 0 [ 1171.199236][T11583] 02:06:56 executing program 2: clone(0x0, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x5, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) [ 1171.307890][T11588] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. 02:06:56 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='upperdir=./file1,lowerdir=./bus,workdir=./file0,metacopy=on']) link(&(0x7f0000000200)='./bus/file1\x00', &(0x7f00000002c0)='./bus/file0\x00') newfstatat(0xffffffffffffff9c, &(0x7f0000000040)='./bus/file0\x00', 0x0, 0xc00000000000000) 02:06:56 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d5027a0000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) [ 1171.499299][T11606] __nla_validate_parse: 45 callbacks suppressed [ 1171.499309][T11606] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 1171.531517][T11607] dlm: Unknown command passed to DLM device : 0 [ 1171.531517][T11607] [ 1171.549857][T11611] netlink: 16 bytes leftover after parsing attributes in process `syz-executor.5'. 02:06:56 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0xf9, 0x0) 02:06:56 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0xf9, 0x0) 02:06:56 executing program 2: clone(0x0, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x5, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) [ 1171.641946][T11597] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 1171.651891][T11602] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 02:06:56 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000300feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:06:57 executing program 2: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, 0x0, 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x5, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) [ 1171.869017][T11606] netlink: 16 bytes leftover after parsing attributes in process `syz-executor.5'. 02:06:57 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0xfa, 0x0) 02:06:57 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0xfa, 0x0) 02:06:57 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000500feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) [ 1171.909892][T11640] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. 02:06:57 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="48000000100005e7ffffff000000000000000000", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r5, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000003c40)=ANY=[@ANYBLOB='H\x00\x00\x00,\x00\'\r\x00'/20, @ANYRES32=r5, @ANYBLOB="0000000000000000080000000a0001007273767036"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000007c0)=ANY=[@ANYBLOB="340000002e002989000000004000000000000000", @ANYRES32=r5], 0x34}}, 0x0) [ 1172.087512][T11655] dlm: Unknown command passed to DLM device : 0 [ 1172.087512][T11655] 02:06:57 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='upperdir=./file1,lowerdir=./bus,workdir=./file0,metacopy=on']) link(&(0x7f0000000200)='./bus/file1\x00', &(0x7f00000002c0)='./bus/file0\x00') newfstatat(0xffffffffffffff9c, &(0x7f0000000040)='./bus/file0\x00', 0x0, 0x1200000000000000) [ 1172.132297][T11660] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 02:06:57 executing program 2: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, 0x0, 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x5, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:06:57 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0xfb, 0x0) 02:06:57 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0xfb, 0x0) 02:06:57 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000600feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) [ 1172.234090][T11665] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 1172.310241][T11669] netlink: 16 bytes leftover after parsing attributes in process `syz-executor.5'. [ 1172.337207][T11663] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 1172.347026][T11665] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 02:06:57 executing program 2: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, 0x0, 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x5, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:06:57 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0xfc, 0x0) [ 1172.445003][T11687] dlm: Unknown command passed to DLM device : 0 [ 1172.445003][T11687] 02:06:57 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0xfc, 0x0) 02:06:57 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="48000000100005e7ffffff000000000000000000", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r5, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000003c40)=ANY=[@ANYBLOB='H\x00\x00\x00,\x00\'\r\x00'/20, @ANYRES32=r5, @ANYBLOB="0000000000000000080000000a0001007273767036"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000007c0)=ANY=[@ANYBLOB="340000002e002989000000004800000000000000", @ANYRES32=r5], 0x34}}, 0x0) 02:06:57 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000700feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:06:57 executing program 2: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x5, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) [ 1172.708989][T11702] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. 02:06:58 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0xfd, 0x0) [ 1172.824399][T11718] dlm: Unknown command passed to DLM device : 0 [ 1172.824399][T11718] 02:06:58 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='upperdir=./file1,lowerdir=./bus,workdir=./file0,metacopy=on']) link(&(0x7f0000000200)='./bus/file1\x00', &(0x7f00000002c0)='./bus/file0\x00') newfstatat(0xffffffffffffff9c, &(0x7f0000000040)='./bus/file0\x00', 0x0, 0x2f00000000000000) 02:06:58 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0xfd, 0x0) 02:06:58 executing program 2: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x5, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:06:58 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0xfe, 0x0) 02:06:58 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000a00feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:06:58 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="48000000100005e7ffffff000000000000000000", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r5, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000003c40)=ANY=[@ANYBLOB='H\x00\x00\x00,\x00\'\r\x00'/20, @ANYRES32=r5, @ANYBLOB="0000000000000000080000000a0001007273767036"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000007c0)=ANY=[@ANYBLOB="340000002e002989000000004c00000000000000", @ANYRES32=r5], 0x34}}, 0x0) 02:06:58 executing program 2: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x0, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x5, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:06:58 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0xfe, 0x0) [ 1173.184433][T11754] dlm: Unknown command passed to DLM device : 0 [ 1173.184433][T11754] 02:06:58 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x102, 0x0) 02:06:58 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502002000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:06:58 executing program 2: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(0xffffffffffffffff, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x5, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:06:58 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x102, 0x0) [ 1173.448997][T11772] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. [ 1173.549879][T11793] dlm: Unknown command passed to DLM device : 0 [ 1173.549879][T11793] 02:06:58 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='upperdir=./file1,lowerdir=./bus,workdir=./file0,metacopy=on']) link(&(0x7f0000000200)='./bus/file1\x00', &(0x7f00000002c0)='./bus/file0\x00') newfstatat(0xffffffffffffff9c, &(0x7f0000000040)='./bus/file0\x00', 0x0, 0x3f00000000000000) 02:06:58 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x103, 0x0) 02:06:58 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="48000000100005e7ffffff000000000000000000", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r5, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000003c40)=ANY=[@ANYBLOB='H\x00\x00\x00,\x00\'\r\x00'/20, @ANYRES32=r5, @ANYBLOB="0000000000000000080000000a0001007273767036"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000007c0)=ANY=[@ANYBLOB="340000002e002989000000655800000000000000", @ANYRES32=r5], 0x34}}, 0x0) 02:06:58 executing program 2: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(0xffffffffffffffff, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x5, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:06:58 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x103, 0x0) 02:06:58 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502004800feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:06:58 executing program 2: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(0xffffffffffffffff, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x5, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) [ 1173.752974][T11813] dlm: Unknown command passed to DLM device : 0 [ 1173.752974][T11813] 02:06:58 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x104, 0x0) 02:06:59 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x104, 0x0) 02:06:59 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502004c00feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:06:59 executing program 2: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, 0x0, 0x0) 02:06:59 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x105, 0x0) [ 1174.088165][T11850] dlm: Unknown command passed to DLM device : 0 [ 1174.088165][T11850] [ 1174.207057][T11861] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. 02:06:59 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='upperdir=./file1,lowerdir=./bus,workdir=./file0,metacopy=on']) link(&(0x7f0000000200)='./bus/file1\x00', &(0x7f00000002c0)='./bus/file0\x00') newfstatat(0xffffffffffffff9c, &(0x7f0000000040)='./bus/file0\x00', 0x0, 0x4800000000000000) 02:06:59 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="48000000100005e7ffffff000000000000000000", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r5, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000003c40)=ANY=[@ANYBLOB='H\x00\x00\x00,\x00\'\r\x00'/20, @ANYRES32=r5, @ANYBLOB="0000000000000000080000000a0001007273767036"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000007c0)=ANY=[@ANYBLOB="340000002e002989000000006000000000000000", @ANYRES32=r5], 0x34}}, 0x0) 02:06:59 executing program 2: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, 0x0, 0x0) 02:06:59 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x105, 0x0) 02:06:59 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502005000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:06:59 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x106, 0x0) 02:06:59 executing program 2: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, 0x0, 0x0) 02:06:59 executing program 2: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) [ 1174.645791][T11891] dlm: Unknown command passed to DLM device : 0 [ 1174.645791][T11891] 02:06:59 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="48000000100005e7ffffff000000000000000000", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r5, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000003c40)=ANY=[@ANYBLOB='H\x00\x00\x00,\x00\'\r\x00'/20, @ANYRES32=r5, @ANYBLOB="0000000000000000080000000a0001007273767036"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000007c0)=ANY=[@ANYBLOB="340000002e002989000000586500000000000000", @ANYRES32=r5], 0x34}}, 0x0) 02:06:59 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x107, 0x0) [ 1174.749550][T11899] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. 02:07:00 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502006000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:07:00 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x106, 0x0) [ 1174.819462][T11909] dlm: Unknown command passed to DLM device : 0 [ 1174.819462][T11909] 02:07:00 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='upperdir=./file1,lowerdir=./bus,workdir=./file0,metacopy=on']) link(&(0x7f0000000200)='./bus/file1\x00', &(0x7f00000002c0)='./bus/file0\x00') newfstatat(0xffffffffffffff9c, &(0x7f0000000040)='./bus/file0\x00', 0x0, 0x4c00000000000000) 02:07:00 executing program 2: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) [ 1174.959753][T11920] dlm: Unknown command passed to DLM device : 0 [ 1174.959753][T11920] 02:07:00 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x108, 0x0) 02:07:00 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x107, 0x0) 02:07:00 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502006800feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) [ 1175.126877][T11938] dlm: Unknown command passed to DLM device : 0 [ 1175.126877][T11938] 02:07:00 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="48000000100005e7ffffff000000000000000000", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r5, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000003c40)=ANY=[@ANYBLOB='H\x00\x00\x00,\x00\'\r\x00'/20, @ANYRES32=r5, @ANYBLOB="0000000000000000080000000a0001007273767036"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000007c0)=ANY=[@ANYBLOB="340000002e002989000000006800000000000000", @ANYRES32=r5], 0x34}}, 0x0) 02:07:00 executing program 2: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) [ 1175.252215][T11947] dlm: Unknown command passed to DLM device : 0 [ 1175.252215][T11947] 02:07:00 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x109, 0x0) 02:07:00 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x108, 0x0) 02:07:00 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502006c00feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) [ 1175.447696][T11962] dlm: Unknown command passed to DLM device : 0 [ 1175.447696][T11962] [ 1175.457138][T11968] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. 02:07:00 executing program 2: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x5}, 0x10) 02:07:00 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x109, 0x0) [ 1175.568084][T11981] dlm: Unknown command passed to DLM device : 0 [ 1175.568084][T11981] 02:07:00 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='upperdir=./file1,lowerdir=./bus,workdir=./file0,metacopy=on']) link(&(0x7f0000000200)='./bus/file1\x00', &(0x7f00000002c0)='./bus/file0\x00') newfstatat(0xffffffffffffff9c, &(0x7f0000000040)='./bus/file0\x00', 0x0, 0x6800000000000000) 02:07:00 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x10a, 0x0) 02:07:00 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502007400feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:07:00 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="48000000100005e7ffffff000000000000000000", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r5, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000003c40)=ANY=[@ANYBLOB='H\x00\x00\x00,\x00\'\r\x00'/20, @ANYRES32=r5, @ANYBLOB="0000000000000000080000000a0001007273767036"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000007c0)=ANY=[@ANYBLOB="340000002e002989000000006c00000000000000", @ANYRES32=r5], 0x34}}, 0x0) 02:07:00 executing program 2: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x5}, 0x10) [ 1175.860228][T12008] dlm: Unknown command passed to DLM device : 0 [ 1175.860228][T12008] 02:07:01 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x10a, 0x0) 02:07:01 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x10b, 0x0) 02:07:01 executing program 2: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x5}, 0x10) 02:07:01 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502007a00feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:07:01 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="48000000100005e7ffffff000000000000000000", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r5, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000003c40)=ANY=[@ANYBLOB='H\x00\x00\x00,\x00\'\r\x00'/20, @ANYRES32=r5, @ANYBLOB="0000000000000000080000000a0001007273767036"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000007c0)=ANY=[@ANYBLOB="340000002e002989000000007400000000000000", @ANYRES32=r5], 0x34}}, 0x0) 02:07:01 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x10b, 0x0) 02:07:01 executing program 2: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x5, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe6"}, 0x3c) [ 1176.175430][T12043] dlm: Unknown command passed to DLM device : 0 [ 1176.175430][T12043] [ 1176.205446][T12046] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. 02:07:01 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='upperdir=./file1,lowerdir=./bus,workdir=./file0,metacopy=on']) link(&(0x7f0000000200)='./bus/file1\x00', &(0x7f00000002c0)='./bus/file0\x00') newfstatat(0xffffffffffffff9c, &(0x7f0000000040)='./bus/file0\x00', 0x0, 0x6c00000000000000) 02:07:01 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x10c, 0x0) 02:07:01 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000200feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:07:01 executing program 2: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x5, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe6"}, 0x3c) 02:07:01 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x10c, 0x0) [ 1176.471432][T12069] dlm: Unknown command passed to DLM device : 0 [ 1176.471432][T12069] 02:07:01 executing program 2: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x5, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe6"}, 0x3c) 02:07:01 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000300feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:07:01 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x10d, 0x0) [ 1176.612994][T12072] __nla_validate_parse: 46 callbacks suppressed [ 1176.613004][T12072] netlink: 16 bytes leftover after parsing attributes in process `syz-executor.5'. 02:07:01 executing program 2: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x5, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a"}, 0x52) 02:07:01 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="48000000100005e7ffffff000000000000000000", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r5, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000003c40)=ANY=[@ANYBLOB='H\x00\x00\x00,\x00\'\r\x00'/20, @ANYRES32=r5, @ANYBLOB="0000000000000000080000000a0001007273767036"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000007c0)=ANY=[@ANYBLOB="340000002e002989000000007a00000000000000", @ANYRES32=r5], 0x34}}, 0x0) 02:07:01 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x10d, 0x0) 02:07:01 executing program 2: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x5, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a"}, 0x52) [ 1176.793366][T12100] dlm: Unknown command passed to DLM device : 0 [ 1176.793366][T12100] [ 1176.912233][T12114] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 1176.932757][T12115] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. [ 1177.022293][T12127] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 02:07:02 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='upperdir=./file1,lowerdir=./bus,workdir=./file0,metacopy=on']) link(&(0x7f0000000200)='./bus/file1\x00', &(0x7f00000002c0)='./bus/file0\x00') newfstatat(0xffffffffffffff9c, &(0x7f0000000040)='./bus/file0\x00', 0x0, 0x7400000000000000) 02:07:02 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x10e, 0x0) 02:07:02 executing program 2: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x5, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a"}, 0x52) 02:07:02 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000400feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:07:02 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x10e, 0x0) [ 1177.126246][T12130] netlink: 16 bytes leftover after parsing attributes in process `syz-executor.5'. [ 1177.161283][T12114] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 02:07:02 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000500feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:07:02 executing program 2: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x5, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b4639"}, 0x5d) [ 1177.173605][T12124] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 02:07:02 executing program 2: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x5, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b4639"}, 0x5d) 02:07:02 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x10f, 0x0) [ 1177.304361][T12127] netlink: 16 bytes leftover after parsing attributes in process `syz-executor.5'. [ 1177.329857][T12156] dlm: Unknown command passed to DLM device : 0 [ 1177.329857][T12156] 02:07:02 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="48000000100005e7ffffff000000000000000000", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r5, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000003c40)=ANY=[@ANYBLOB='H\x00\x00\x00,\x00\'\r\x00'/20, @ANYRES32=r5, @ANYBLOB="0000000000000000080000000a0001007273767036"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000007c0)=ANY=[@ANYBLOB="340000002e002989000000008100000000000000", @ANYRES32=r5], 0x34}}, 0x0) 02:07:02 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x10f, 0x0) 02:07:02 executing program 2: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x5, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b4639"}, 0x5d) [ 1177.577563][T12184] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 1177.660876][T12185] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 1177.671940][T12186] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. [ 1177.674110][T12184] netlink: 16 bytes leftover after parsing attributes in process `syz-executor.5'. 02:07:02 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='upperdir=./file1,lowerdir=./bus,workdir=./file0,metacopy=on']) link(&(0x7f0000000200)='./bus/file1\x00', &(0x7f00000002c0)='./bus/file0\x00') newfstatat(0xffffffffffffff9c, &(0x7f0000000040)='./bus/file0\x00', 0x0, 0x7a00000000000000) 02:07:02 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000600feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:07:02 executing program 2: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x5, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c46842"}, 0x63) 02:07:02 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x110, 0x0) 02:07:02 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x110, 0x0) 02:07:03 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="48000000100005e7ffffff000000000000000000", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r5, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000003c40)=ANY=[@ANYBLOB='H\x00\x00\x00,\x00\'\r\x00'/20, @ANYRES32=r5, @ANYBLOB="0000000000000000080000000a0001007273767036"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000007c0)=ANY=[@ANYBLOB="340000002e0029890000000ec000000000000000", @ANYRES32=r5], 0x34}}, 0x0) 02:07:03 executing program 2: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x5, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c46842"}, 0x63) [ 1177.894536][T12205] dlm: Unknown command passed to DLM device : 0 [ 1177.894536][T12205] 02:07:03 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x111, 0x0) 02:07:03 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000700feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:07:03 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x111, 0x0) 02:07:03 executing program 2: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x5, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c46842"}, 0x63) 02:07:03 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="48000000100005e7ffffff000000000000000000", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r5, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000003c40)=ANY=[@ANYBLOB='H\x00\x00\x00,\x00\'\r\x00'/20, @ANYRES32=r5, @ANYBLOB="0000000000000000080000000a0001007273767036"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000007c0)=ANY=[@ANYBLOB="340000002e00298900000000f000000000000000", @ANYRES32=r5], 0x34}}, 0x0) [ 1178.144976][T12232] dlm: Unknown command passed to DLM device : 0 [ 1178.144976][T12232] [ 1178.427376][T12254] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. 02:07:03 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='upperdir=./file1,lowerdir=./bus,workdir=./file0,metacopy=on']) link(&(0x7f0000000200)='./bus/file1\x00', &(0x7f00000002c0)='./bus/file0\x00') newfstatat(0xffffffffffffff9c, &(0x7f0000000040)='./bus/file0\x00', 0x0, 0x8cffffff00000000) 02:07:03 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x112, 0x0) 02:07:03 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000a00feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:07:03 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x112, 0x0) 02:07:03 executing program 2: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x5, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5"}, 0x66) 02:07:03 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="48000000100005e7ffffff000000000000000000", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r5, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000003c40)=ANY=[@ANYBLOB='H\x00\x00\x00,\x00\'\r\x00'/20, @ANYRES32=r5, @ANYBLOB="0000000000000000080000000a0001007273767036"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000007c0)=ANY=[@ANYBLOB="340000002e002989000000004003000000000000", @ANYRES32=r5], 0x34}}, 0x0) [ 1178.678010][T12275] dlm: Unknown command passed to DLM device : 0 [ 1178.678010][T12275] 02:07:03 executing program 2: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x5, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5"}, 0x66) 02:07:03 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x113, 0x0) 02:07:04 executing program 2: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x5, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5"}, 0x66) 02:07:04 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x113, 0x0) 02:07:04 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502004800feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) [ 1178.982049][T12307] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. [ 1179.018921][T12317] dlm: Unknown command passed to DLM device : 0 [ 1179.018921][T12317] 02:07:04 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x114, 0x0) 02:07:04 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="48000000100005e7ffffff000000000000000000", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r5, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000003c40)=ANY=[@ANYBLOB='H\x00\x00\x00,\x00\'\r\x00'/20, @ANYRES32=r5, @ANYBLOB="0000000000000000080000000a0001007273767036"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000007c0)=ANY=[@ANYBLOB="340000002e00298900000014ce03000000000000", @ANYRES32=r5], 0x34}}, 0x0) 02:07:04 executing program 2: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x5, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7"}, 0x67) 02:07:04 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x114, 0x0) 02:07:04 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='upperdir=./file1,lowerdir=./bus,workdir=./file0,metacopy=on']) link(&(0x7f0000000200)='./bus/file1\x00', &(0x7f00000002c0)='./bus/file0\x00') newfstatat(0xffffffffffffff9c, &(0x7f0000000040)='./bus/file0\x00', 0x0, 0xf6ffffff00000000) 02:07:04 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502004c00feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:07:04 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x115, 0x0) [ 1179.327089][T12340] dlm: Unknown command passed to DLM device : 0 [ 1179.327089][T12340] 02:07:04 executing program 2: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x5, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7"}, 0x67) 02:07:04 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x115, 0x0) 02:07:04 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502005000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:07:04 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x116, 0x0) [ 1179.555803][T12369] dlm: Unknown command passed to DLM device : 0 [ 1179.555803][T12369] 02:07:04 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x116, 0x0) 02:07:04 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="48000000100005e7ffffff000000000000000000", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r5, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000003c40)=ANY=[@ANYBLOB='H\x00\x00\x00,\x00\'\r\x00'/20, @ANYRES32=r5, @ANYBLOB="0000000000000000080000000a0001007273767036"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000007c0)=ANY=[@ANYBLOB="340000002e002989000000000340000000000000", @ANYRES32=r5], 0x34}}, 0x0) 02:07:04 executing program 2: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x5, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7"}, 0x67) 02:07:04 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502006000feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) [ 1179.712357][T12381] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. 02:07:04 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x117, 0x0) 02:07:05 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='upperdir=./file1,lowerdir=./bus,workdir=./file0,metacopy=on']) link(&(0x7f0000000200)='./bus/file1\x00', &(0x7f00000002c0)='./bus/file0\x00') newfstatat(0xffffffffffffff9c, &(0x7f0000000040)='./bus/file0\x00', 0x0, 0xfeffffff00000000) 02:07:05 executing program 2: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='upperdir=./file1,lowerdir=./bus,workdir=./file0,metacopy=on']) link(&(0x7f0000000200)='./bus/file1\x00', &(0x7f00000002c0)='./bus/file0\x00') newfstatat(0xffffffffffffff9c, &(0x7f0000000040)='./bus/file0\x00', 0x0, 0x8cffffff00000000) [ 1179.875268][T12400] dlm: Unknown command passed to DLM device : 0 [ 1179.875268][T12400] 02:07:05 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x117, 0x0) 02:07:05 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502006800feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:07:05 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="48000000100005e7ffffff000000000000000000", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r5, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000003c40)=ANY=[@ANYBLOB='H\x00\x00\x00,\x00\'\r\x00'/20, @ANYRES32=r5, @ANYBLOB="0000000000000000080000000a0001007273767036"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000007c0)=ANY=[@ANYBLOB="340000002e002989000000fffff0000000000000", @ANYRES32=r5], 0x34}}, 0x0) 02:07:05 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x118, 0x0) [ 1180.094409][T12417] dlm: Unknown command passed to DLM device : 0 [ 1180.094409][T12417] 02:07:05 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502006c00feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:07:05 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x118, 0x0) 02:07:05 executing program 2: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='upperdir=./file1,lowerdir=./bus,workdir=./file0,metacopy=on']) link(&(0x7f0000000200)='./bus/file1\x00', &(0x7f00000002c0)='./bus/file0\x00') newfstatat(0xffffffffffffff9c, &(0x7f0000000040)='./bus/file0\x00', 0x0, 0x8cffffff00000000) [ 1180.322506][T12438] dlm: Unknown command passed to DLM device : 0 [ 1180.322506][T12438] 02:07:05 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x119, 0x0) [ 1180.461220][T12446] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. 02:07:05 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x119, 0x0) 02:07:05 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502007400feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:07:05 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='upperdir=./file1,lowerdir=./bus,workdir=./file0,metacopy=on']) link(&(0x7f0000000200)='./bus/file1\x00', &(0x7f00000002c0)='./bus/file0\x00') newfstatat(0xffffffffffffff9c, &(0x7f0000000040)='./bus/file0\x00', 0x0, 0xff00000000000000) 02:07:05 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="48000000100005e7ffffff000000000000000000", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r5, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000003c40)=ANY=[@ANYBLOB='H\x00\x00\x00,\x00\'\r\x00'/20, @ANYRES32=r5, @ANYBLOB="0000000000000000080000000a0001007273767036"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000007c0)=ANY=[@ANYBLOB="340000002e002989000000000000010000000000", @ANYRES32=r5], 0x34}}, 0x0) 02:07:05 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x11a, 0x0) [ 1180.673818][T12468] dlm: Unknown command passed to DLM device : 0 [ 1180.673818][T12468] 02:07:05 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x11a, 0x0) 02:07:06 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502007a00feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:07:06 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x11b, 0x0) 02:07:06 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x11b, 0x0) 02:07:06 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="48000000100005e7ffffff000000000000000000", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r5, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000003c40)=ANY=[@ANYBLOB='H\x00\x00\x00,\x00\'\r\x00'/20, @ANYRES32=r5, @ANYBLOB="0000000000000000080000000a0001007273767036"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000007c0)=ANY=[@ANYBLOB="340000002e002989000000000000020000000000", @ANYRES32=r5], 0x34}}, 0x0) [ 1181.038933][T12503] dlm: Unknown command passed to DLM device : 0 [ 1181.038933][T12503] [ 1181.146538][T12507] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. 02:07:06 executing program 2: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='upperdir=./file1,lowerdir=./bus,workdir=./file0,metacopy=on']) link(&(0x7f0000000200)='./bus/file1\x00', &(0x7f00000002c0)='./bus/file0\x00') newfstatat(0xffffffffffffff9c, &(0x7f0000000040)='./bus/file0\x00', 0x0, 0x8cffffff00000000) 02:07:06 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000003feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:07:06 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x11c, 0x0) 02:07:06 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='upperdir=./file1,lowerdir=./bus,workdir=./file0,metacopy=on']) link(&(0x7f0000000200)='./bus/file1\x00', &(0x7f00000002c0)='./bus/file0\x00') newfstatat(0xffffffffffffff9c, &(0x7f0000000040)='./bus/file0\x00', 0x0, 0xffffffff00000000) 02:07:06 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x11c, 0x0) [ 1181.404548][T12533] dlm: Unknown command passed to DLM device : 0 [ 1181.404548][T12533] 02:07:06 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000005feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:07:06 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x11d, 0x0) 02:07:06 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="48000000100005e7ffffff000000000000000000", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r5, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000003c40)=ANY=[@ANYBLOB='H\x00\x00\x00,\x00\'\r\x00'/20, @ANYRES32=r5, @ANYBLOB="0000000000000000080000000a0001007273767036"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000007c0)=ANY=[@ANYBLOB="340000002e002989000000000000030000000000", @ANYRES32=r5], 0x34}}, 0x0) 02:07:06 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x11d, 0x0) 02:07:06 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x11e, 0x0) [ 1181.707115][T12560] __nla_validate_parse: 50 callbacks suppressed [ 1181.707126][T12560] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 1181.731910][T12559] dlm: Unknown command passed to DLM device : 0 [ 1181.731910][T12559] 02:07:07 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000006feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:07:07 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x11e, 0x0) [ 1181.816886][T12574] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 1181.994010][T12579] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. [ 1182.011556][T12576] netlink: 16 bytes leftover after parsing attributes in process `syz-executor.5'. [ 1182.044831][T12566] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 1182.059161][T12560] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 1182.078745][T12592] dlm: Unknown command passed to DLM device : 0 [ 1182.078745][T12592] [ 1182.096571][T12574] netlink: 16 bytes leftover after parsing attributes in process `syz-executor.5'. 02:07:07 executing program 2: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='upperdir=./file1,lowerdir=./bus,workdir=./file0,metacopy=on']) link(&(0x7f0000000200)='./bus/file1\x00', &(0x7f00000002c0)='./bus/file0\x00') newfstatat(0xffffffffffffff9c, &(0x7f0000000040)='./bus/file0\x00', 0x0, 0xfeffffff00000000) 02:07:07 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x11f, 0x0) 02:07:07 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x11f, 0x0) 02:07:07 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='upperdir=./file1,lowerdir=./bus,workdir=./file0,metacopy=on']) link(&(0x7f0000000200)='./bus/file1\x00', &(0x7f00000002c0)='./bus/file0\x00') newfstatat(0xffffffffffffff9c, &(0x7f0000000040)='./bus/file0\x00', 0x0, 0xfffffffffffff000) 02:07:07 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="48000000100005e7ffffff000000000000000000", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r5, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000003c40)=ANY=[@ANYBLOB='H\x00\x00\x00,\x00\'\r\x00'/20, @ANYRES32=r5, @ANYBLOB="0000000000000000080000000a0001007273767036"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000007c0)=ANY=[@ANYBLOB="340000002e002989000000000000040000000000", @ANYRES32=r5], 0x34}}, 0x0) 02:07:07 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000007feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:07:07 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x120, 0x0) [ 1182.351648][T12610] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 1182.401189][T12613] dlm: Unknown command passed to DLM device : 0 [ 1182.401189][T12613] 02:07:07 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x120, 0x0) [ 1182.461147][T12618] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 02:07:07 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d50200000afeffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:07:07 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x121, 0x0) [ 1182.578100][T12623] netlink: 16 bytes leftover after parsing attributes in process `syz-executor.5'. [ 1182.612695][T12615] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 02:07:07 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x121, 0x0) [ 1182.725728][T12641] dlm: Unknown command passed to DLM device : 0 [ 1182.725728][T12641] [ 1182.820899][T12646] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. 02:07:08 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000020feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:07:08 executing program 2: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='upperdir=./file1,lowerdir=./bus,workdir=./file0,metacopy=on']) link(&(0x7f0000000200)='./bus/file1\x00', &(0x7f00000002c0)='./bus/file0\x00') newfstatat(0xffffffffffffff9c, &(0x7f0000000040)='./bus/file0\x00', 0x0, 0xfeffffff00000000) 02:07:08 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="48000000100005e7ffffff000000000000000000", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r5, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000003c40)=ANY=[@ANYBLOB='H\x00\x00\x00,\x00\'\r\x00'/20, @ANYRES32=r5, @ANYBLOB="0000000000000000080000000a0001007273767036"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000007c0)=ANY=[@ANYBLOB="340000002e002989000000000000050000000000", @ANYRES32=r5], 0x34}}, 0x0) 02:07:08 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x122, 0x0) 02:07:08 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x122, 0x0) 02:07:08 executing program 3: mkdir(&(0x7f0000000180)='./bus\x00', 0x11c) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) mount$overlay(0x400002, &(0x7f0000000140)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f00000003c0)=ANY=[@ANYRESHEX]) link(&(0x7f0000000200)='./bus/file1\x00', &(0x7f00000002c0)='./bus/file0\x00') newfstatat(0xffffffffffffff9c, &(0x7f0000000040)='./bus/file0\x00', 0x0, 0x0) [ 1183.084223][T12663] dlm: Unknown command passed to DLM device : 0 [ 1183.084223][T12663] 02:07:08 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x123, 0x0) 02:07:08 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000048feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:07:08 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x123, 0x0) 02:07:08 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="48000000100005e7ffffff000000000000000000", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r5, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000003c40)=ANY=[@ANYBLOB='H\x00\x00\x00,\x00\'\r\x00'/20, @ANYRES32=r5, @ANYBLOB="0000000000000000080000000a0001007273767036"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000007c0)=ANY=[@ANYBLOB="340000002e002989000000000000060000000000", @ANYRES32=r5], 0x34}}, 0x0) 02:07:08 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x124, 0x0) [ 1183.414322][T12694] dlm: Unknown command passed to DLM device : 0 [ 1183.414322][T12694] [ 1183.465269][T12698] overlayfs: unrecognized mount option "0xffffffffffffffff" or missing value [ 1183.537864][T12709] overlayfs: unrecognized mount option "0xffffffffffffffff" or missing value 02:07:08 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d50200004cfeffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:07:08 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x124, 0x0) 02:07:08 executing program 2: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='upperdir=./file1,lowerdir=./bus,workdir=./file0,metacopy=on']) link(&(0x7f0000000200)='./bus/file1\x00', &(0x7f00000002c0)='./bus/file0\x00') newfstatat(0xffffffffffffff9c, &(0x7f0000000040)='./bus/file0\x00', 0x0, 0xfeffffff00000000) 02:07:08 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="48000000100005e7ffffff000000000000000000", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r5, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000003c40)=ANY=[@ANYBLOB='H\x00\x00\x00,\x00\'\r\x00'/20, @ANYRES32=r5, @ANYBLOB="0000000000000000080000000a0001007273767036"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000007c0)=ANY=[@ANYBLOB="340000002e002989000000000000070000000000", @ANYRES32=r5], 0x34}}, 0x0) 02:07:08 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x125, 0x0) 02:07:08 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) syz_mount_image$ext4(&(0x7f0000000140)='ext4\x00', &(0x7f0000000180)='./file0\x00', 0xffff, 0x1, &(0x7f00000001c0)=[{&(0x7f0000000400)="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", 0x1000, 0x8}], 0x1, &(0x7f0000000340)={[{@journal_path={'journal_path', 0x3d, './bus/file0'}}, {@init_itable='init_itable'}, {@usrjquota='usrjquota='}, {@dax='dax'}, {@oldalloc='oldalloc'}], [{@fsuuid={'fsuuid', 0x3d, {[0x30, 0x35, 0x37, 0x64, 0x66, 0x30, 0x65, 0x62], 0x2d, [0x62, 0x35, 0x62, 0x65], 0x2d, [0x38, 0x65, 0x34, 0x62], 0x2d, [0x62, 0x63, 0x6, 0x35], 0x2d, [0x34, 0x31, 0x61, 0x36, 0x34, 0x38, 0x63, 0x66]}}}]}) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x2000, &(0x7f00000003c0)=ANY=[@ANYBLOB='upperdir=./file1,lowerdir=./bus,workdir=./file0,metacopy=on']) link(&(0x7f0000000200)='./bus/file1\x00', &(0x7f00000002c0)='./bus/file0\x00') newfstatat(0xffffffffffffff9c, &(0x7f0000000040)='./bus/file0\x00', 0x0, 0x0) [ 1183.776605][T12730] dlm: Unknown command passed to DLM device : 0 [ 1183.776605][T12730] [ 1183.852525][T12730] dlm: Unknown command passed to DLM device : 0 [ 1183.852525][T12730] 02:07:09 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x125, 0x0) [ 1183.989218][T12745] EXT4-fs (loop3): VFS: Can't find ext4 filesystem 02:07:09 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000050feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:07:09 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x126, 0x0) [ 1184.125912][T12772] dlm: Unknown command passed to DLM device : 0 [ 1184.125912][T12772] 02:07:09 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='upperdir=./file1,lowerdir=./bus,workdir=./file0,metacopy=on']) link(&(0x7f0000000140)='./bus/file1\x00', &(0x7f00000002c0)='./bus/file0\x00') statx(0xffffffffffffffff, &(0x7f0000000180)='./bus/file0\x00', 0x4000, 0x7ff, &(0x7f0000000400)) newfstatat(0xffffffffffffff9c, &(0x7f0000000040)='./bus/file0\x00', 0x0, 0x0) 02:07:09 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000060feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:07:09 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x126, 0x0) 02:07:09 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="48000000100005e7ffffff000000000000000000", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r5, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000003c40)=ANY=[@ANYBLOB='H\x00\x00\x00,\x00\'\r\x00'/20, @ANYRES32=r5, @ANYBLOB="0000000000000000080000000a0001007273767036"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000007c0)=ANY=[@ANYBLOB="340000002e002989000000000000080000000000", @ANYRES32=r5], 0x34}}, 0x0) 02:07:09 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x127, 0x0) [ 1184.364701][T12791] dlm: Unknown command passed to DLM device : 0 [ 1184.364701][T12791] [ 1184.610047][T12810] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. 02:07:09 executing program 2: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='upperdir=./file1,lowerdir=./bus,workdir=./file0,metacopy=on']) link(&(0x7f0000000200)='./bus/file1\x00', &(0x7f00000002c0)='./bus/file0\x00') 02:07:09 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x127, 0x0) 02:07:09 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000068feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:07:09 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x128, 0x0) [ 1184.788813][T12833] dlm: Unknown command passed to DLM device : 0 [ 1184.788813][T12833] 02:07:10 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x128, 0x0) 02:07:10 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="48000000100005e7ffffff000000000000000000", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r5, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000003c40)=ANY=[@ANYBLOB='H\x00\x00\x00,\x00\'\r\x00'/20, @ANYRES32=r5, @ANYBLOB="0000000000000000080000000a0001007273767036"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000007c0)=ANY=[@ANYBLOB="340000002e002989000000000000090000000000", @ANYRES32=r5], 0x34}}, 0x0) 02:07:10 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x129, 0x0) 02:07:10 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d50200006cfeffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:07:10 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x129, 0x0) 02:07:10 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x12a, 0x0) 02:07:10 executing program 3: mkdir(&(0x7f0000000240)='./file0\x00', 0x8) r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) accept4$unix(r1, &(0x7f0000000180)=@abs, &(0x7f0000000280)=0x6e, 0x80800) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) r2 = creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB="75707065726469723d2e2f66696c65312c6c6f7765726469723d012f6275732c776f726b6469723d2e2f66696c65302c6d657461636f70793d6f6e"]) ioctl$SG_GET_VERSION_NUM(r2, 0x2282, &(0x7f0000000140)) r3 = inotify_init() r4 = inotify_add_watch(r3, &(0x7f0000000240)='.\x00', 0xc0000080) inotify_rm_watch(r3, r4) inotify_rm_watch(r2, r4) link(&(0x7f0000000200)='./bus/file1\x00', &(0x7f00000002c0)='./bus/file0\x00') newfstatat(0xffffffffffffff9c, &(0x7f0000000040)='./bus/file0\x00', 0x0, 0x0) [ 1185.167492][T12865] dlm: Unknown command passed to DLM device : 0 [ 1185.167492][T12865] 02:07:10 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="48000000100005e7ffffff000000000000000000", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r5, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000003c40)=ANY=[@ANYBLOB='H\x00\x00\x00,\x00\'\r\x00'/20, @ANYRES32=r5, @ANYBLOB="0000000000000000080000000a0001007273767036"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000007c0)=ANY=[@ANYBLOB="340000002e0029890000000000000a0000000000", @ANYRES32=r5], 0x34}}, 0x0) [ 1185.299982][T12879] overlayfs: failed to resolve './file1': -2 [ 1185.384904][T12890] overlayfs: failed to resolve './file1': -2 02:07:10 executing program 2: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='upperdir=./file1,lowerdir=./bus,workdir=./file0,metacopy=on']) link(&(0x7f0000000200)='./bus/file1\x00', &(0x7f00000002c0)='./bus/file0\x00') 02:07:10 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000074feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:07:10 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x12a, 0x0) 02:07:10 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x12b, 0x0) 02:07:10 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000140)='/dev/vcs\x00', 0x280000, 0x0) ioctl$VIDIOC_PREPARE_BUF(r1, 0xc058565d, &(0x7f0000000180)={0x8000, 0x4, 0x4, 0x40, 0xfffffffb, {}, {0x4, 0xc, 0x4, 0x6, 0x80, 0xd6, "8b2d5677"}, 0x401, 0x1, @offset=0x1, 0x5, 0x0, r2}) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='upperdir=./file1,lowerdir=./bus,workdir=./file0,metacopy=on']) link(&(0x7f0000000200)='./bus/file1\x00', &(0x7f00000002c0)='./bus/file0\x00') newfstatat(0xffffffffffffff9c, &(0x7f0000000040)='./bus/file0\x00', 0x0, 0x0) [ 1185.594673][T12905] dlm: Unknown command passed to DLM device : 0 [ 1185.594673][T12905] 02:07:10 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="48000000100005e7ffffff000000000000000000", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r5, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000003c40)=ANY=[@ANYBLOB='H\x00\x00\x00,\x00\'\r\x00'/20, @ANYRES32=r5, @ANYBLOB="0000000000000000080000000a0001007273767036"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000007c0)=ANY=[@ANYBLOB="340000002e0029890000000000000c0000000000", @ANYRES32=r5], 0x34}}, 0x0) 02:07:10 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x12b, 0x0) 02:07:10 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d50200007afeffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:07:10 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x12c, 0x0) [ 1185.945992][T12938] dlm: Unknown command passed to DLM device : 0 [ 1185.945992][T12938] [ 1185.947071][T12920] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. 02:07:11 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x12c, 0x0) 02:07:11 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="48000000100005e7ffffff000000000000000000", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r5, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000003c40)=ANY=[@ANYBLOB='H\x00\x00\x00,\x00\'\r\x00'/20, @ANYRES32=r5, @ANYBLOB="0000000000000000080000000a0001007273767036"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000007c0)=ANY=[@ANYBLOB="340000002e0029890000000000000e0000000000", @ANYRES32=r5], 0x34}}, 0x0) 02:07:11 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x12d, 0x0) 02:07:11 executing program 2: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='upperdir=./file1,lowerdir=./bus,workdir=./file0,metacopy=on']) link(&(0x7f0000000200)='./bus/file1\x00', &(0x7f00000002c0)='./bus/file0\x00') 02:07:11 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000002feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) 02:07:11 executing program 3: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) mount$overlay(0x400002, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB='upperdir=./file1,lowerdir=./bus,workdir=./file0,metacopy=on']) link(&(0x7f0000000200)='./bus/file1\x00', &(0x7f00000002c0)='./bus/file0\x00') newfstatat(0xffffffffffffff9c, &(0x7f0000000040)='./bus/file0\x00', 0x0, 0x0) rmdir(&(0x7f0000000140)='./bus/file1\x00') 02:07:11 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x12d, 0x0) [ 1186.289973][T12966] dlm: Unknown command passed to DLM device : 0 [ 1186.289973][T12966] 02:07:11 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x12e, 0x0) 02:07:11 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="48000000100005e7ffffff000000000000000000", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r5, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000003c40)=ANY=[@ANYBLOB='H\x00\x00\x00,\x00\'\r\x00'/20, @ANYRES32=r5, @ANYBLOB="0000000000000000080000000a0001007273767036"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000007c0)=ANY=[@ANYBLOB="340000002e0029890000000000000f0000000000", @ANYRES32=r5], 0x34}}, 0x0) 02:07:11 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000003feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) [ 1186.521060][T12985] dlm: Unknown command passed to DLM device : 0 [ 1186.521060][T12985] 02:07:11 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x12f, 0x0) 02:07:11 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000580)=ANY=[@ANYBLOB="48000000100005e7ffffff000000000000000000", @ANYRES32=r5, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r5, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000003c40)=ANY=[@ANYBLOB='H\x00\x00\x00,\x00\'\r\x00'/20, @ANYRES32=r5, @ANYBLOB="0000000000000000080000000a0001007273767036"], 0x48}}, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000007c0)=ANY=[@ANYBLOB="340000002e002989000000000000100000000000", @ANYRES32=r5], 0x34}}, 0x0) 02:07:11 executing program 0: clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-control\x00', 0x3e, 0x0) write$nbd(r0, &(0x7f0000000140)={0x6000000, 0x0, 0x0, 0x0, 0x0, "a3ef07749fa55f625aa6af3c7307f2179cba335a2fd5ede515d502000004feffff63af872a0a18ecf6449fe66884b33c61b3927917b2d8ef665ad9b19f55dd7d020a724a32a8b58e9eb39b463929bef2c468429967c5e7be"}, 0x68) [ 1186.785537][T13004] general protection fault, probably for non-canonical address 0xdffffc000000000c: 0000 [#1] PREEMPT SMP KASAN [ 1186.797276][T13004] KASAN: null-ptr-deref in range [0x0000000000000060-0x0000000000000067] [ 1186.805688][T13004] CPU: 1 PID: 13004 Comm: syz-executor.3 Not tainted 5.8.0-rc5-syzkaller #0 [ 1186.814350][T13004] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1186.824425][T13004] RIP: 0010:security_inode_getattr+0x46/0x140 [ 1186.830494][T13004] Code: 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 04 01 00 00 48 b8 00 00 00 00 00 fc ff df 49 8b 5d 08 48 8d 7b 60 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 d7 00 00 00 48 b8 00 00 00 00 00 fc ff df 48 8b [ 1186.850092][T13004] RSP: 0018:ffffc9001aa87ad0 EFLAGS: 00010206 [ 1186.856163][T13004] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffc9000fb2c000 [ 1186.864134][T13004] RDX: 000000000000000c RSI: ffffffff8354ee0e RDI: 0000000000000060 [ 1186.872102][T13004] RBP: ffffc9001aa87b98 R08: 0000000000000000 R09: ffff888089f48217 [ 1186.880075][T13004] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 1186.888059][T13004] R13: ffffc9001aa87b98 R14: 0000000000000400 R15: 0000000000000000 [ 1186.896033][T13004] FS: 00007f6a30db6700(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000 [ 1186.904972][T13004] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 1186.911549][T13004] CR2: 0000000000741b94 CR3: 0000000201427000 CR4: 00000000001426e0 [ 1186.919517][T13004] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 1186.927484][T13004] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 1186.935446][T13004] Call Trace: [ 1186.938738][T13004] vfs_getattr+0x22/0x60 [ 1186.943006][T13004] ovl_getattr+0x80a/0xd20 [ 1186.947424][T13004] ? ovl_inode_set+0x40/0x40 [ 1186.952025][T13004] ? apparmor_inode_getattr+0x169/0x6e0 [ 1186.957564][T13004] ? apparmor_file_mprotect+0x640/0x640 [ 1186.963110][T13004] ? getname_flags.part.0+0x1dd/0x4f0 [ 1186.968476][T13004] ? ovl_inode_set+0x40/0x40 [ 1186.973064][T13004] vfs_getattr_nosec+0x246/0x2e0 [ 1186.978000][T13004] vfs_statx+0x199/0x390 [ 1186.982284][T13004] ? do_readlinkat+0x2f0/0x2f0 [ 1186.987057][T13004] __do_sys_newfstatat+0x96/0x120 [ 1186.992107][T13004] ? __do_sys_newlstat+0x110/0x110 [ 1186.997220][T13004] ? lock_is_held_type+0xb0/0xe0 [ 1187.002175][T13004] ? do_syscall_64+0x1c/0xe0 [ 1187.006760][T13004] ? lockdep_hardirqs_on_prepare+0x3a2/0x590 [ 1187.012737][T13004] do_syscall_64+0x60/0xe0 [ 1187.017152][T13004] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1187.023038][T13004] RIP: 0033:0x45c1d9 [ 1187.026938][T13004] Code: Bad RIP value. 02:07:12 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x130, 0x0) [ 1187.031006][T13004] RSP: 002b:00007f6a30db5c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000106 [ 1187.039424][T13004] RAX: ffffffffffffffda RBX: 000000000001fdc0 RCX: 000000000045c1d9 [ 1187.047386][T13004] RDX: 0000000000000000 RSI: 0000000020000040 RDI: ffffffffffffff9c [ 1187.055350][T13004] RBP: 000000000078bfe8 R08: 0000000000000000 R09: 0000000000000000 [ 1187.063316][T13004] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000078bfac [ 1187.071312][T13004] R13: 00007ffc5ff0042f R14: 00007f6a30db69c0 R15: 000000000078bfac [ 1187.079320][T13004] Modules linked in: 02:07:12 executing program 2: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000300)='./bus\x00', 0x0) creat(&(0x7f00000000c0)='./bus/file1\x00', 0x0) mkdir(&(0x7f0000000080)='./file0\x00', 0x0) link(&(0x7f0000000200)='./bus/file1\x00', &(0x7f00000002c0)='./bus/file0\x00') newfstatat(0xffffffffffffff9c, &(0x7f0000000040)='./bus/file0\x00', 0x0, 0xfeffffff00000000) [ 1187.097716][T13004] ---[ end trace 987c16bc61bf63eb ]--- [ 1187.103418][T13004] RIP: 0010:security_inode_getattr+0x46/0x140 [ 1187.114885][T13004] Code: 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 04 01 00 00 48 b8 00 00 00 00 00 fc ff df 49 8b 5d 08 48 8d 7b 60 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 d7 00 00 00 48 b8 00 00 00 00 00 fc ff df 48 8b 02:07:12 executing program 4: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x12e, 0x0) [ 1187.156552][T13016] __nla_validate_parse: 55 callbacks suppressed [ 1187.156561][T13016] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 1187.180992][T13004] RSP: 0018:ffffc9001aa87ad0 EFLAGS: 00010206 02:07:12 executing program 1: clone(0x4000000006ffd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) recvmmsg(0xffffffffffffffff, &(0x7f00000095c0)=[{{0x0, 0x0, &(0x7f0000001140)=[{&(0x7f0000001080)=""/169, 0xa9}]}}], 0x1, 0x0, 0x0) r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='syscall\x00') exit(0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) preadv(r0, &(0x7f0000000500), 0x131, 0x0) [ 1187.206675][T13004] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffc9000fb2c000 [ 1187.232355][T13004] RDX: 000000000000000c RSI: ffffffff8354ee0e RDI: 0000000000000060 [ 1187.244904][T13026] dlm: Unknown command passed to DLM device : 0 [ 1187.244904][T13026] [ 1187.269335][T13029] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 1187.304074][T13004] RBP: ffffc9001aa87b98 R08: 0000000000000000 R09: ffff888089f48217 [ 1187.350058][T13035] netlink: 16 bytes leftover after parsing attributes in process `syz-executor.5'. [ 1187.354674][T13004] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 1187.373066][T13007] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. [ 1187.401661][T13016] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 1187.412690][T13023] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 1187.443070][T13004] R13: ffffc9001aa87b98 R14: 0000000000000400 R15: 0000000000000000 [ 1187.479548][T13004] FS: 00007f6a30db6700(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000 [ 1187.509683][T13004] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 1187.528928][T13029] netlink: 16 bytes leftover after parsing attributes in process `syz-executor.5'. [ 1187.551079][T13004] CR2: 0000559d316be007 CR3: 0000000201427000 CR4: 00000000001426e0 [ 1187.584672][T13004] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 1187.613927][T13004] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 1187.656128][T13004] Kernel panic - not syncing: Fatal exception [ 1187.663336][T13004] Kernel Offset: disabled [ 1187.667649][T13004] Rebooting in 86400 seconds..