&(0x7f0000000080)=0xe) ioctl$TIOCSETD(0xffffffffffffffff, 0x5412, &(0x7f0000000000)=0xfffffdfd) 13:39:54 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(0xffffffffffffffff, 0x5423, &(0x7f0000000080)=0xe) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)=0xfffffdfd) 13:39:54 executing program 4: openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(0xffffffffffffffff, 0x4020ae46, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000000000/0x18000)=nil, &(0x7f00000000c0)=[@text64={0x40, 0x0}], 0x1, 0x0, 0x0, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x3f00, &(0x7f0000000200)={&(0x7f0000000640)=@newlink={0x20, 0x11, 0x40d, 0xa, 0x0, {0x5, 0x0, 0x0, r4}}, 0x20}, 0x1, 0x3f00}, 0x0) 13:39:54 executing program 1: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xe) ioctl$TIOCSETD(0xffffffffffffffff, 0x5412, &(0x7f0000000000)=0xfffffdfd) 13:39:54 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(0xffffffffffffffff, 0x5423, &(0x7f0000000080)=0xe) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)=0xfffffdfd) 13:39:54 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={0x0}}, 0x0) 13:39:54 executing program 3: ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, 0x0) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x3f00, &(0x7f0000000200)={&(0x7f0000000640)=@newlink={0x20, 0x11, 0x40d, 0xa, 0x0, {0x5, 0x0, 0x0, r3}}, 0x20}, 0x1, 0x3f00}, 0x0) 13:39:55 executing program 0: connect$inet(0xffffffffffffffff, 0x0, 0x0) r0 = socket(0x400000000000010, 0x3, 0x0) write(r0, &(0x7f00000000c0)="240000001a0099f0003be90000ed190e020008160000100000ba1080080002007f196be0", 0x24) 13:39:55 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, 0x0) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)=0xfffffdfd) 13:39:55 executing program 1: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xe) ioctl$TIOCSETD(0xffffffffffffffff, 0x5412, &(0x7f0000000000)=0xfffffdfd) 13:39:55 executing program 4: openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(0xffffffffffffffff, 0x4020ae46, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000000000/0x18000)=nil, &(0x7f00000000c0)=[@text64={0x40, 0x0}], 0x1, 0x0, 0x0, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x20, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r4}}, 0x20}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x3f00, &(0x7f0000000200)={&(0x7f0000000640)=@newlink={0x20, 0x11, 0x40d, 0xa, 0x0, {0x5, 0x0, 0x0, r4}}, 0x20}, 0x1, 0x3f00}, 0x0) 13:39:55 executing program 3: ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x3f00, &(0x7f0000000200)={&(0x7f0000000640)=@newlink={0x20, 0x11, 0x40d, 0xa, 0x0, {0x5, 0x0, 0x0, r2}}, 0x20}, 0x1, 0x3f00}, 0x0) 13:39:55 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={0x0}}, 0x0) 13:39:55 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, 0x0) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)=0xfffffdfd) 13:39:55 executing program 0: connect$inet(0xffffffffffffffff, 0x0, 0x0) r0 = socket(0x400000000000010, 0x3, 0x0) write(r0, &(0x7f00000000c0)="24000000150099f0003be90000ed190e020008160000100000ba1080080002007f196be0", 0x24) 13:39:55 executing program 3: ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x3f00, &(0x7f0000000200)={&(0x7f0000000640)=@newlink={0x20, 0x11, 0x40d, 0xa, 0x0, {0x5, 0x0, 0x0, r2}}, 0x20}, 0x1, 0x3f00}, 0x0) 13:39:55 executing program 1: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xe) ioctl$TIOCSETD(r0, 0x5412, 0x0) 13:39:55 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x0, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) 13:39:55 executing program 3: ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x3f00, &(0x7f0000000200)={&(0x7f0000000640)=@newlink={0x20, 0x11, 0x40d, 0xa, 0x0, {0x5, 0x0, 0x0, r2}}, 0x20}, 0x1, 0x3f00}, 0x0) 13:39:55 executing program 4: openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(0xffffffffffffffff, 0x4020ae46, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000000000/0x18000)=nil, &(0x7f00000000c0)=[@text64={0x40, 0x0}], 0x1, 0x0, 0x0, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x20, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r4}}, 0x20}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x3f00, &(0x7f0000000200)={&(0x7f0000000640)=@newlink={0x20, 0x11, 0x40d, 0xa, 0x0, {0x5, 0x0, 0x0, r4}}, 0x20}, 0x1, 0x3f00}, 0x0) 13:39:55 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, 0x0) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)=0xfffffdfd) 13:39:55 executing program 0: ioctl$BINDER_WRITE_READ(0xffffffffffffffff, 0xc0306201, &(0x7f0000000600)={0x14, 0x0, &(0x7f0000000480)=[@acquire_done], 0x6, 0x1200, &(0x7f0000000000)="a64bf548bec5"}) r0 = dup(0xffffffffffffffff) r1 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sys/net/ipv4/vs/drop_entry\x00', 0x2, 0x0) r2 = getpid() write$cgroup_pid(r1, &(0x7f0000000040)=r2, 0x12) ioctl$BLKIOMIN(r0, 0x1278, 0x0) write$P9_RSETATTR(r0, &(0x7f0000000180)={0x7}, 0x7) r3 = dup(0xffffffffffffffff) r4 = openat$vga_arbiter(0xffffffffffffff9c, &(0x7f0000000400)='/dev/vga_arbiter\x00', 0x10200, 0x0) ioctl$BLKSECDISCARD(r4, 0x127d, &(0x7f0000000440)=0x1ff) ioctl$BLKIOMIN(r3, 0x1278, 0x0) write$P9_RSETATTR(r3, &(0x7f0000000180)={0x7}, 0x7) write$P9_RATTACH(r3, &(0x7f0000000100)={0xfffffffffffffd85, 0x69, 0x4001, {0x40, 0x2, 0x207}}, 0xd) sendmsg$alg(r3, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000200)=[{&(0x7f0000001640)="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", 0x1006}, {&(0x7f0000000140)}, {&(0x7f00000001c0)="d58ba2cc1b958ce76bfa59", 0xb}], 0x3, &(0x7f0000000240)=ANY=[@ANYBLOB="18000000000000001701000003000000010000000000000018000000000000001701000004000000af00000000000000180000000000000017010000040000000000008000000000f8000000000000001701000002000000e2000000ea259c1aa1d3b84614dfae510e82223931ce43a5bd0bef8fade98b3de0f28d34f0515589925efa550c277e3245773c9947582c3020e7eac83b1978e974d15c7abac48037fc29ed18de0ed8de2a7ff49d7620a60fc5d3d72192a01ead8fc31870f680dc5461fc28c03f0fd2973641e9fef96a039c4de245b738015ce27f89a8f8377f76a64d4463a754bb26b4b99a4a4c1648d8b4c6b5b6845240c9c70810174c264a22d674e83144b41f15e149309243a8145ac3ea7c340749c8202e7ab7a667996d33eb0cbb373cb431665be47a7ea2b57d3d88abc5f6c3fe7b67b439b24983ff000000180000000000000017010000040000000300000000000000"], 0x158, 0x4000000}, 0x1) write$P9_RATTACH(r0, &(0x7f0000000100)={0xfffffffffffffd85, 0x69, 0x4001, {0x40, 0x2, 0x207}}, 0xd) ioctl$FBIOPAN_DISPLAY(r0, 0x4606, &(0x7f0000000040)={0x10, 0x0, 0x578, 0x480, 0x0, 0x9, 0x4, 0x1, {0x9b, 0x0, 0x1}, {0x3ff, 0x3}, {0x9, 0xfffffffb, 0x1}, {}, 0x0, 0x1, 0x80000000, 0x6, 0x1, 0x3, 0xff800000, 0x3, 0x1, 0x3ff, 0x0, 0xed, 0x0, 0x4, 0x1, 0x1}) openat$vcs(0xffffffffffffff9c, &(0x7f0000000140)='/dev/vcs\x00', 0x200, 0x0) 13:39:55 executing program 1: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xe) ioctl$TIOCSETD(r0, 0x5412, 0x0) 13:39:55 executing program 3: ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x3f00, &(0x7f0000000200)={&(0x7f0000000640)=@newlink={0x20, 0x11, 0x40d, 0xa, 0x0, {0x5, 0x0, 0x0, r3}}, 0x20}, 0x1, 0x3f00}, 0x0) 13:39:55 executing program 1: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xe) ioctl$TIOCSETD(r0, 0x5412, 0x0) 13:39:55 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)=0xfffffdfd) 13:39:55 executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000200)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f00000001c0)={0x0, 0x3, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) syz_kvm_setup_cpu$x86(r1, r2, &(0x7f0000000000/0x18000)=nil, &(0x7f00000000c0)=[@text64={0x40, 0x0}], 0x1, 0x0, 0x0, 0x0) r3 = socket$inet6(0xa, 0x1, 0x0) r4 = dup(r3) ioctl$PERF_EVENT_IOC_ENABLE(r4, 0x8912, 0x400200) ioctl$DRM_IOCTL_SET_UNIQUE(0xffffffffffffffff, 0x40106410, &(0x7f0000000100)={0x4, &(0x7f0000000000)="07a23966"}) ioctl$KVM_RUN(r2, 0xae80, 0x300000000000000) 13:39:55 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x0, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) 13:39:55 executing program 4: openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(0xffffffffffffffff, 0x4020ae46, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000000000/0x18000)=nil, &(0x7f00000000c0)=[@text64={0x40, 0x0}], 0x1, 0x0, 0x0, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x20, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r4}}, 0x20}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x3f00, &(0x7f0000000200)={&(0x7f0000000640)=@newlink={0x20, 0x11, 0x40d, 0xa, 0x0, {0x5, 0x0, 0x0, r4}}, 0x20}, 0x1, 0x3f00}, 0x0) 13:39:55 executing program 3: ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x3f00, &(0x7f0000000200)={&(0x7f0000000640)=@newlink={0x20, 0x11, 0x40d, 0xa, 0x0, {0x5, 0x0, 0x0, r3}}, 0x20}, 0x1, 0x3f00}, 0x0) 13:39:56 executing program 1: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xe) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) 13:39:56 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)=0xfffffdfd) 13:39:56 executing program 3: ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x3f00, &(0x7f0000000200)={&(0x7f0000000640)=@newlink={0x20, 0x11, 0x40d, 0xa, 0x0, {0x5, 0x0, 0x0, r3}}, 0x20}, 0x1, 0x3f00}, 0x0) 13:39:56 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x0, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) 13:39:56 executing program 1: connect$inet(0xffffffffffffffff, 0x0, 0x0) r0 = socket(0x400000000000010, 0x3, 0x0) write(r0, &(0x7f00000000c0)="24000000150099f0003be90000ed190e020008160000100000ba1080080002007f196be0", 0x24) 13:39:56 executing program 0: r0 = syz_open_dev$binderN(&(0x7f0000000040)='/dev/binder#\x00', 0x0, 0x0) ioctl$BINDER_WRITE_READ(r0, 0xc0306201, &(0x7f0000000600)={0x44, 0x0, &(0x7f0000000480)=[@transaction={0x40406300, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}], 0x1, 0x1200, &(0x7f00000005c0)="c5"}) r1 = dup(0xffffffffffffffff) ioctl$BLKIOMIN(r1, 0x1278, 0x0) write$P9_RSETATTR(r1, &(0x7f0000000180)={0x7}, 0x7) write$P9_RATTACH(r1, &(0x7f0000000100)={0xfffffffffffffd85, 0x69, 0x4001, {0x40, 0x2, 0x207}}, 0xd) r2 = socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$mptcp(&(0x7f0000000280)='mptcp_pm\x00') sendmsg$MPTCP_PM_CMD_ADD_ADDR(r2, &(0x7f00000005c0)={0x0, 0x0, &(0x7f0000000440)={&(0x7f00000003c0)={0x20, r3, 0x1, 0x0, 0x0, {0x3}, [@MPTCP_PM_ATTR_ADDR={0xc, 0x1, 0x0, 0x1, [@MPTCP_PM_ADDR_ATTR_ID={0x5}]}]}, 0x20}}, 0x0) sendmsg$MPTCP_PM_CMD_ADD_ADDR(r1, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)={0x1c, r3, 0x200, 0x70bd25, 0x25dfdbfe, {}, [@MPTCP_PM_ATTR_SUBFLOWS={0x8, 0x3, 0x8}]}, 0x1c}}, 0x44041) 13:39:56 executing program 4: openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(0xffffffffffffffff, 0x4020ae46, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000000000/0x18000)=nil, &(0x7f00000000c0)=[@text64={0x40, 0x0}], 0x1, 0x0, 0x0, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r4}, [@IFLA_PROTO_DOWN={0x8, 0xa}]}, 0x28}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x3f00, &(0x7f0000000200)={&(0x7f0000000640)=@newlink={0x20, 0x11, 0x40d, 0xa, 0x0, {0x5, 0x0, 0x0, r4}}, 0x20}, 0x1, 0x3f00}, 0x0) 13:39:56 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)=0xfffffdfd) 13:39:56 executing program 0 (fault-call:2 fault-nth:0): r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xe) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) [ 3046.673299] nla_parse: 57 callbacks suppressed [ 3046.673309] netlink: 12 bytes leftover after parsing attributes in process `syz-executor.1'. 13:39:56 executing program 3: ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, 0x0}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x3f00, &(0x7f0000000200)={&(0x7f0000000640)=@newlink={0x20, 0x11, 0x40d, 0xa, 0x0, {0x5, 0x0, 0x0, r3}}, 0x20}, 0x1, 0x3f00}, 0x0) [ 3046.727185] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 3046.756870] FAULT_INJECTION: forcing a failure. [ 3046.756870] name failslab, interval 1, probability 0, space 0, times 0 [ 3046.768559] CPU: 1 PID: 10460 Comm: syz-executor.0 Not tainted 4.19.133-syzkaller #0 [ 3046.776450] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 3046.785822] Call Trace: [ 3046.788421] dump_stack+0x1fc/0x2fe [ 3046.792059] should_fail.cold+0xa/0x14 [ 3046.795957] ? setup_fault_attr+0x200/0x200 [ 3046.800295] __should_failslab+0x115/0x180 [ 3046.804535] should_failslab+0x5/0xf [ 3046.808254] kmem_cache_alloc+0x3f/0x370 [ 3046.812329] __build_skb+0x39/0x300 [ 3046.815967] __netdev_alloc_skb+0x2a7/0x460 [ 3046.820339] ppp_sync_receive+0xe7/0x6a0 [ 3046.824408] ? ppp_sync_wakeup+0x80/0x80 [ 3046.828481] tty_ioctl+0xff8/0x15c0 [ 3046.832116] ? check_preemption_disabled+0x41/0x280 [ 3046.837138] ? tty_fasync+0x300/0x300 [ 3046.840940] ? check_preemption_disabled+0x41/0x280 [ 3046.845959] ? perf_trace_lock_acquire+0x4c0/0x530 [ 3046.851004] ? perf_trace_lock+0xe2/0x4b0 [ 3046.855161] ? perf_trace_lock_acquire+0x530/0x530 [ 3046.860101] ? perf_trace_lock+0xe2/0x4b0 [ 3046.864341] ? tty_fasync+0x300/0x300 [ 3046.868161] do_vfs_ioctl+0xcdb/0x12e0 [ 3046.872067] ? selinux_file_ioctl+0x506/0x6c0 [ 3046.876577] ? ioctl_preallocate+0x200/0x200 [ 3046.880994] ? selinux_inode_link+0x20/0x20 [ 3046.885324] ? __fget+0x356/0x510 [ 3046.888789] ? do_dup2+0x450/0x450 [ 3046.892336] ? vfs_write+0x393/0x540 [ 3046.896178] ksys_ioctl+0x9b/0xc0 [ 3046.899639] __x64_sys_ioctl+0x6f/0xb0 [ 3046.903533] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 3046.908117] do_syscall_64+0xf9/0x620 [ 3046.911936] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 3046.913134] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. [ 3046.917121] RIP: 0033:0x45c1d9 [ 3046.917142] Code: 8d b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 5b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 3046.917154] RSP: 002b:00007ff6841a1c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 3046.955543] RAX: ffffffffffffffda RBX: 0000000000017900 RCX: 000000000045c1d9 [ 3046.962816] RDX: 0000000020000000 RSI: 0000000000005412 RDI: 0000000000000003 [ 3046.970190] RBP: 00007ff6841a1ca0 R08: 0000000000000000 R09: 0000000000000000 13:39:56 executing program 1 (fault-call:6 fault-nth:0): r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) 13:39:56 executing program 3: ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, 0x0}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x3f00, &(0x7f0000000200)={&(0x7f0000000640)=@newlink={0x20, 0x11, 0x40d, 0xa, 0x0, {0x5, 0x0, 0x0, r3}}, 0x20}, 0x1, 0x3f00}, 0x0) 13:39:56 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xe) ioctl$TIOCSETD(0xffffffffffffffff, 0x5412, &(0x7f0000000000)=0xfffffdfd) [ 3046.977458] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 3046.984729] R13: 00007ffe1f22279f R14: 00007ff6841a29c0 R15: 000000000078bf0c [ 3046.992014] PPPsync: no memory (input pkt) 13:39:56 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xe) ioctl$TIOCSETD(0xffffffffffffffff, 0x5412, &(0x7f0000000000)=0xfffffdfd) 13:39:56 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) 13:39:56 executing program 0 (fault-call:2 fault-nth:1): r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xe) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) [ 3047.061743] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. 13:39:56 executing program 4: openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(0xffffffffffffffff, 0x4020ae46, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000000000/0x18000)=nil, &(0x7f00000000c0)=[@text64={0x40, 0x0}], 0x1, 0x0, 0x0, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r4}, [@IFLA_PROTO_DOWN={0x8, 0xa}]}, 0x28}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x3f00, &(0x7f0000000200)={&(0x7f0000000640)=@newlink={0x20, 0x11, 0x40d, 0xa, 0x0, {0x5, 0x0, 0x0, r4}}, 0x20}, 0x1, 0x3f00}, 0x0) [ 3047.105958] FAULT_INJECTION: forcing a failure. [ 3047.105958] name failslab, interval 1, probability 0, space 0, times 0 13:39:56 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xe) ioctl$TIOCSETD(0xffffffffffffffff, 0x5412, &(0x7f0000000000)=0xfffffdfd) [ 3047.167785] CPU: 0 PID: 10484 Comm: syz-executor.1 Not tainted 4.19.133-syzkaller #0 [ 3047.175701] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 3047.185058] Call Trace: [ 3047.187663] dump_stack+0x1fc/0x2fe [ 3047.191322] should_fail.cold+0xa/0x14 [ 3047.194447] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. [ 3047.195217] ? setup_fault_attr+0x200/0x200 [ 3047.195235] ? lock_acquire+0x170/0x3c0 [ 3047.212108] __should_failslab+0x115/0x180 13:39:56 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xe) ioctl$TIOCSETD(r0, 0x5412, 0x0) [ 3047.216360] should_failslab+0x5/0xf [ 3047.220086] kmem_cache_alloc_node+0x245/0x3b0 [ 3047.224692] __alloc_skb+0x71/0x560 [ 3047.228342] netlink_sendmsg+0x9ee/0xc40 [ 3047.232425] ? nlmsg_notify+0x1a0/0x1a0 [ 3047.236413] ? kernel_recvmsg+0x220/0x220 [ 3047.240590] ? nlmsg_notify+0x1a0/0x1a0 [ 3047.244573] sock_sendmsg+0xc3/0x120 [ 3047.248318] ___sys_sendmsg+0x7bb/0x8e0 [ 3047.252322] ? check_preemption_disabled+0x41/0x280 [ 3047.257359] ? copy_msghdr_from_user+0x440/0x440 [ 3047.262136] ? __fget+0x32f/0x510 13:39:56 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xe) ioctl$TIOCSETD(r0, 0x5412, 0x0) 13:39:56 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xe) ioctl$TIOCSETD(r0, 0x5412, 0x0) [ 3047.265723] ? lock_downgrade+0x720/0x720 [ 3047.269898] ? check_preemption_disabled+0x41/0x280 [ 3047.274930] ? check_preemption_disabled+0x41/0x280 [ 3047.279972] ? __fget+0x356/0x510 [ 3047.283448] ? do_dup2+0x450/0x450 [ 3047.286998] ? lock_downgrade+0x720/0x720 [ 3047.291165] ? vfs_write+0x3d7/0x540 [ 3047.294910] ? __fdget+0x1d0/0x230 [ 3047.298472] __x64_sys_sendmsg+0x132/0x220 [ 3047.302716] ? __sys_sendmsg+0x1b0/0x1b0 [ 3047.306787] ? vfs_write+0x393/0x540 [ 3047.310547] ? trace_hardirqs_on_thunk+0x1a/0x1c 13:39:56 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xe) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) [ 3047.315322] ? trace_hardirqs_off_caller+0x69/0x210 [ 3047.320362] ? do_syscall_64+0x21/0x620 [ 3047.324355] do_syscall_64+0xf9/0x620 [ 3047.328178] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 3047.333391] RIP: 0033:0x45c1d9 [ 3047.336604] Code: 8d b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 5b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 3047.355509] RSP: 002b:00007fc9a538ec78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 3047.363229] RAX: ffffffffffffffda RBX: 000000000002af00 RCX: 000000000045c1d9 [ 3047.370506] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003 [ 3047.377781] RBP: 00007fc9a538eca0 R08: 0000000000000000 R09: 0000000000000000 [ 3047.385663] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 3047.392937] R13: 00007ffc53db839f R14: 00007fc9a538f9c0 R15: 000000000078bfac 13:39:57 executing program 1 (fault-call:6 fault-nth:1): r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) 13:39:57 executing program 2 (fault-call:2 fault-nth:0): r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xe) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) 13:39:57 executing program 3: ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, 0x0}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x3f00, &(0x7f0000000200)={&(0x7f0000000640)=@newlink={0x20, 0x11, 0x40d, 0xa, 0x0, {0x5, 0x0, 0x0, r3}}, 0x20}, 0x1, 0x3f00}, 0x0) 13:39:57 executing program 0: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xe) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) [ 3047.439375] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 3047.534992] FAULT_INJECTION: forcing a failure. [ 3047.534992] name failslab, interval 1, probability 0, space 0, times 0 [ 3047.546240] CPU: 0 PID: 10522 Comm: syz-executor.2 Not tainted 4.19.133-syzkaller #0 [ 3047.554137] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 3047.558389] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. [ 3047.563494] Call Trace: [ 3047.563523] dump_stack+0x1fc/0x2fe [ 3047.563550] should_fail.cold+0xa/0x14 [ 3047.582226] ? setup_fault_attr+0x200/0x200 [ 3047.583909] FAULT_INJECTION: forcing a failure. [ 3047.583909] name failslab, interval 1, probability 0, space 0, times 0 [ 3047.586579] __should_failslab+0x115/0x180 [ 3047.586602] should_failslab+0x5/0xf [ 3047.605689] kmem_cache_alloc+0x3f/0x370 [ 3047.609754] __build_skb+0x39/0x300 [ 3047.613398] __netdev_alloc_skb+0x2a7/0x460 [ 3047.617717] ppp_sync_receive+0xe7/0x6a0 [ 3047.621774] ? ppp_sync_wakeup+0x80/0x80 [ 3047.625834] tty_ioctl+0xff8/0x15c0 [ 3047.629459] ? tty_fasync+0x300/0x300 [ 3047.633258] ? perf_trace_lock+0x290/0x4b0 [ 3047.637498] ? perf_trace_lock_acquire+0x530/0x530 [ 3047.642435] ? tty_fasync+0x300/0x300 [ 3047.646237] do_vfs_ioctl+0xcdb/0x12e0 [ 3047.650121] ? selinux_file_ioctl+0x506/0x6c0 [ 3047.654616] ? ioctl_preallocate+0x200/0x200 [ 3047.659019] ? selinux_inode_link+0x20/0x20 [ 3047.663337] ? __fget+0x356/0x510 [ 3047.666787] ? do_dup2+0x450/0x450 [ 3047.670319] ? vfs_write+0x393/0x540 [ 3047.674042] ksys_ioctl+0x9b/0xc0 [ 3047.677492] __x64_sys_ioctl+0x6f/0xb0 [ 3047.681461] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 3047.686035] do_syscall_64+0xf9/0x620 [ 3047.689836] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 3047.695037] RIP: 0033:0x45c1d9 [ 3047.698221] Code: 8d b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 5b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 3047.717111] RSP: 002b:00007ff036f3ac78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 3047.724823] RAX: ffffffffffffffda RBX: 0000000000017900 RCX: 000000000045c1d9 [ 3047.732179] RDX: 0000000020000000 RSI: 0000000000005412 RDI: 0000000000000003 [ 3047.739445] RBP: 00007ff036f3aca0 R08: 0000000000000000 R09: 0000000000000000 [ 3047.746709] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 3047.753975] R13: 00007fffa744a68f R14: 00007ff036f3b9c0 R15: 000000000078bf0c [ 3047.761267] CPU: 1 PID: 10526 Comm: syz-executor.1 Not tainted 4.19.133-syzkaller #0 [ 3047.761270] PPPsync: no memory (input pkt) [ 3047.773390] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 3047.782747] Call Trace: [ 3047.785345] dump_stack+0x1fc/0x2fe [ 3047.788988] should_fail.cold+0xa/0x14 [ 3047.792891] ? setup_fault_attr+0x200/0x200 [ 3047.797224] ? lock_acquire+0x170/0x3c0 [ 3047.801215] __should_failslab+0x115/0x180 [ 3047.805458] should_failslab+0x5/0xf [ 3047.809206] kmem_cache_alloc_node_trace+0x244/0x3b0 [ 3047.814324] __kmalloc_node_track_caller+0x38/0x70 [ 3047.819267] __alloc_skb+0xae/0x560 [ 3047.822905] netlink_sendmsg+0x9ee/0xc40 [ 3047.826978] ? nlmsg_notify+0x1a0/0x1a0 [ 3047.830955] ? kernel_recvmsg+0x220/0x220 [ 3047.835121] ? nlmsg_notify+0x1a0/0x1a0 [ 3047.839101] sock_sendmsg+0xc3/0x120 [ 3047.842826] ___sys_sendmsg+0x7bb/0x8e0 [ 3047.846806] ? check_preemption_disabled+0x41/0x280 [ 3047.851829] ? copy_msghdr_from_user+0x440/0x440 [ 3047.856596] ? __fget+0x32f/0x510 [ 3047.860063] ? lock_downgrade+0x720/0x720 [ 3047.864218] ? check_preemption_disabled+0x41/0x280 [ 3047.868502] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 3047.869230] ? check_preemption_disabled+0x41/0x280 [ 3047.869254] ? __fget+0x356/0x510 13:39:57 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) 13:39:57 executing program 4: openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(0xffffffffffffffff, 0x4020ae46, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000000000/0x18000)=nil, &(0x7f00000000c0)=[@text64={0x40, 0x0}], 0x1, 0x0, 0x0, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r4}, [@IFLA_PROTO_DOWN={0x8, 0xa}]}, 0x28}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x3f00, &(0x7f0000000200)={&(0x7f0000000640)=@newlink={0x20, 0x11, 0x40d, 0xa, 0x0, {0x5, 0x0, 0x0, r4}}, 0x20}, 0x1, 0x3f00}, 0x0) 13:39:57 executing program 0: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xe) ioctl$TIOCSETD(r0, 0x2, &(0x7f0000000000)) [ 3047.869271] ? do_dup2+0x450/0x450 [ 3047.869290] ? lock_downgrade+0x720/0x720 [ 3047.893980] ? vfs_write+0x3d7/0x540 [ 3047.897705] ? __fdget+0x1d0/0x230 [ 3047.901256] __x64_sys_sendmsg+0x132/0x220 [ 3047.905494] ? __sys_sendmsg+0x1b0/0x1b0 [ 3047.909560] ? vfs_write+0x393/0x540 [ 3047.913291] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 3047.918050] ? trace_hardirqs_off_caller+0x69/0x210 [ 3047.923075] ? do_syscall_64+0x21/0x620 [ 3047.927068] do_syscall_64+0xf9/0x620 [ 3047.930884] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 3047.936076] RIP: 0033:0x45c1d9 [ 3047.939275] Code: 8d b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 5b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 3047.958183] RSP: 002b:00007fc9a53afc78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 3047.965998] RAX: ffffffffffffffda RBX: 000000000002af00 RCX: 000000000045c1d9 [ 3047.973282] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003 13:39:57 executing program 3: ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={0x0, 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x3f00, &(0x7f0000000200)={&(0x7f0000000640)=@newlink={0x20, 0x11, 0x40d, 0xa, 0x0, {0x5, 0x0, 0x0, r3}}, 0x20}, 0x1, 0x3f00}, 0x0) 13:39:57 executing program 0: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xe) ioctl$TIOCSETD(r0, 0x4b47, &(0x7f0000000000)) [ 3047.980581] RBP: 00007fc9a53afca0 R08: 0000000000000000 R09: 0000000000000000 [ 3047.987856] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 3047.995126] R13: 00007ffc53db839f R14: 00007fc9a53b09c0 R15: 000000000078bf0c [ 3048.019422] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 13:39:57 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) 13:39:57 executing program 2 (fault-call:2 fault-nth:1): r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xe) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) 13:39:57 executing program 1 (fault-call:6 fault-nth:2): r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) 13:39:57 executing program 4: openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(0xffffffffffffffff, 0x4020ae46, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000000000/0x18000)=nil, &(0x7f00000000c0)=[@text64={0x40, 0x0}], 0x1, 0x0, 0x0, 0x0) socket$nl_route(0x10, 0x3, 0x0) r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000140)={0x0, 0x3f00, &(0x7f0000000200)={&(0x7f0000000640)=@newlink={0x20, 0x11, 0x40d, 0xa, 0x0, {0x5, 0x0, 0x0, r3}}, 0x20}, 0x1, 0x3f00}, 0x0) 13:39:57 executing program 0: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xe) ioctl$TIOCSETD(r0, 0x4b49, &(0x7f0000000000)) 13:39:57 executing program 3: ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={0x0, 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x3f00, &(0x7f0000000200)={&(0x7f0000000640)=@newlink={0x20, 0x11, 0x40d, 0xa, 0x0, {0x5, 0x0, 0x0, r3}}, 0x20}, 0x1, 0x3f00}, 0x0) [ 3048.164265] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. 13:39:57 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xe) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) [ 3048.214970] FAULT_INJECTION: forcing a failure. [ 3048.214970] name failslab, interval 1, probability 0, space 0, times 0 13:39:57 executing program 3: ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={0x0, 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x3f00, &(0x7f0000000200)={&(0x7f0000000640)=@newlink={0x20, 0x11, 0x40d, 0xa, 0x0, {0x5, 0x0, 0x0, r3}}, 0x20}, 0x1, 0x3f00}, 0x0) 13:39:57 executing program 0: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xe) ioctl$TIOCSETD(r0, 0x5409, &(0x7f0000000000)) [ 3048.258576] batman_adv: batadv0: Adding interface: veth41 [ 3048.275680] CPU: 1 PID: 10573 Comm: syz-executor.1 Not tainted 4.19.133-syzkaller #0 [ 3048.283705] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 3048.293061] Call Trace: [ 3048.295661] dump_stack+0x1fc/0x2fe [ 3048.299308] should_fail.cold+0xa/0x14 [ 3048.303210] ? setup_fault_attr+0x200/0x200 [ 3048.305392] batman_adv: batadv0: The MTU of interface veth41 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 3048.307535] ? perf_trace_lock_acquire+0x530/0x530 [ 3048.307551] ? lock_downgrade+0x720/0x720 [ 3048.307566] ? check_preemption_disabled+0x41/0x280 [ 3048.307591] __should_failslab+0x115/0x180 13:39:57 executing program 3: ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x3f00, &(0x7f0000000200)={&(0x7f0000000640)=@newlink={0x20, 0x11, 0x40d, 0xa, 0x0, {0x5, 0x0, 0x0, r3}}, 0x20}, 0x1, 0x3f00}, 0x0) [ 3048.347235] batman_adv: batadv0: Not using interface veth41 (retrying later): interface not active [ 3048.350427] should_failslab+0x5/0xf [ 3048.350445] kmem_cache_alloc+0x3f/0x370 [ 3048.350465] skb_clone+0x151/0x3d0 [ 3048.350483] netlink_deliver_tap+0x955/0xb00 [ 3048.375839] netlink_unicast+0x545/0x690 [ 3048.379998] ? netlink_sendskb+0x110/0x110 [ 3048.384243] netlink_sendmsg+0x6bb/0xc40 [ 3048.388312] ? nlmsg_notify+0x1a0/0x1a0 [ 3048.392290] ? kernel_recvmsg+0x220/0x220 [ 3048.396455] ? nlmsg_notify+0x1a0/0x1a0 [ 3048.400435] sock_sendmsg+0xc3/0x120 [ 3048.404161] ___sys_sendmsg+0x7bb/0x8e0 13:39:58 executing program 4: openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(0xffffffffffffffff, 0x4020ae46, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000000000/0x18000)=nil, &(0x7f00000000c0)=[@text64={0x40, 0x0}], 0x1, 0x0, 0x0, 0x0) socket$nl_route(0x10, 0x3, 0x0) r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000140)={0x0, 0x3f00, &(0x7f0000000200)={&(0x7f0000000640)=@newlink={0x20, 0x11, 0x40d, 0xa, 0x0, {0x5, 0x0, 0x0, r3}}, 0x20}, 0x1, 0x3f00}, 0x0) [ 3048.408154] ? copy_msghdr_from_user+0x440/0x440 [ 3048.412922] ? __fget+0x32f/0x510 [ 3048.416388] ? lock_downgrade+0x720/0x720 [ 3048.420549] ? check_preemption_disabled+0x41/0x280 [ 3048.425567] ? check_preemption_disabled+0x41/0x280 [ 3048.430588] ? __fget+0x356/0x510 [ 3048.434050] ? do_dup2+0x450/0x450 [ 3048.437597] ? lock_downgrade+0x720/0x720 [ 3048.441751] ? vfs_write+0x3d7/0x540 [ 3048.445475] ? __fdget+0x1d0/0x230 [ 3048.449032] __x64_sys_sendmsg+0x132/0x220 [ 3048.453272] ? __sys_sendmsg+0x1b0/0x1b0 [ 3048.457332] ? vfs_write+0x393/0x540 [ 3048.461063] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 3048.465828] ? trace_hardirqs_off_caller+0x69/0x210 [ 3048.470852] ? do_syscall_64+0x21/0x620 [ 3048.474839] do_syscall_64+0xf9/0x620 [ 3048.478676] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 3048.483868] RIP: 0033:0x45c1d9 [ 3048.487063] Code: 8d b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 5b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 13:39:58 executing program 3: ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x3f00, &(0x7f0000000200)={&(0x7f0000000640)=@newlink={0x20, 0x11, 0x40d, 0xa, 0x0, {0x5, 0x0, 0x0, r3}}, 0x20}, 0x1, 0x3f00}, 0x0) 13:39:58 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x20, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}}, 0x20}}, 0x0) [ 3048.505964] RSP: 002b:00007fc9a538ec78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 3048.513674] RAX: ffffffffffffffda RBX: 000000000002af00 RCX: 000000000045c1d9 [ 3048.520944] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003 [ 3048.528214] RBP: 00007fc9a538eca0 R08: 0000000000000000 R09: 0000000000000000 [ 3048.535490] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 3048.539018] batman_adv: batadv0: Adding interface: veth43 [ 3048.542762] R13: 00007ffc53db839f R14: 00007fc9a538f9c0 R15: 000000000078bfac 13:39:58 executing program 0: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xe) ioctl$TIOCSETD(r0, 0x540b, &(0x7f0000000000)) [ 3048.626581] batman_adv: batadv0: The MTU of interface veth43 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 3048.652735] batman_adv: batadv0: Not using interface veth43 (retrying later): interface not active 13:39:58 executing program 1 (fault-call:6 fault-nth:3): r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) 13:39:58 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xe) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) r1 = dup(0xffffffffffffffff) ioctl$BLKIOMIN(r1, 0x1278, 0x0) write$P9_RSETATTR(r1, &(0x7f0000000180)={0x7}, 0x7) write$P9_RATTACH(r1, &(0x7f0000000100)={0xfffffffffffffd85, 0x69, 0x4001, {0x40, 0x2, 0x207}}, 0xd) ioctl$SG_GET_COMMAND_Q(r1, 0x2270, &(0x7f0000000040)) r2 = dup(0xffffffffffffffff) ioctl$BLKIOMIN(r2, 0x1278, 0x0) write$P9_RSETATTR(r2, &(0x7f0000000180)={0x7}, 0x7) write$P9_RATTACH(r2, &(0x7f0000000100)={0xfffffffffffffd85, 0x69, 0x4001, {0x40, 0x2, 0x207}}, 0xd) ioctl$sock_SIOCSIFVLAN_GET_VLAN_VID_CMD(r2, 0x8983, &(0x7f00000000c0)) 13:39:58 executing program 0: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xe) ioctl$TIOCSETD(r0, 0x540c, &(0x7f0000000000)) 13:39:58 executing program 4: openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(0xffffffffffffffff, 0x4020ae46, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000000000/0x18000)=nil, &(0x7f00000000c0)=[@text64={0x40, 0x0}], 0x1, 0x0, 0x0, 0x0) socket$nl_route(0x10, 0x3, 0x0) r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000140)={0x0, 0x3f00, &(0x7f0000000200)={&(0x7f0000000640)=@newlink={0x20, 0x11, 0x40d, 0xa, 0x0, {0x5, 0x0, 0x0, r3}}, 0x20}, 0x1, 0x3f00}, 0x0) 13:39:58 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x20, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}}, 0x20}}, 0x0) [ 3048.681573] batman_adv: batadv0: Adding interface: veth99 [ 3048.687167] batman_adv: batadv0: The MTU of interface veth99 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 3048.713550] batman_adv: batadv0: Not using interface veth99 (retrying later): interface not active 13:39:58 executing program 3: ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x3f00, &(0x7f0000000200)={&(0x7f0000000640)=@newlink={0x20, 0x11, 0x40d, 0xa, 0x0, {0x5, 0x0, 0x0, r3}}, 0x20}, 0x1, 0x3f00}, 0x0) 13:39:58 executing program 0: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xe) ioctl$TIOCSETD(r0, 0x540d, &(0x7f0000000000)) 13:39:58 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xe) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) r1 = dup(0xffffffffffffffff) ioctl$BLKIOMIN(r1, 0x1278, 0x0) write$P9_RSETATTR(r1, &(0x7f0000000180)={0x7}, 0x7) write$P9_RATTACH(r1, &(0x7f0000000100)={0xfffffffffffffd85, 0x69, 0x4001, {0x40, 0x2, 0x207}}, 0xd) ioctl$IMCLEAR_L2(r1, 0x80044946, &(0x7f0000000140)=0xfffffffc) r2 = dup(0xffffffffffffffff) prctl$PR_SET_CHILD_SUBREAPER(0x24, 0x1) ioctl$BLKIOMIN(r2, 0x1278, 0x0) write$P9_RSETATTR(r2, &(0x7f0000000180)={0x7}, 0x7) write$P9_RATTACH(r2, &(0x7f0000000100)={0xfffffffffffffd85, 0x69, 0x4001, {0x40, 0x2, 0x207}}, 0xd) ioctl$GIO_SCRNMAP(r2, 0x4b40, &(0x7f0000000040)=""/32) ioctl$TCSETSF(r0, 0x5404, &(0x7f00000000c0)={0x20000000, 0x9, 0x1, 0x5, 0x14, "d9d80fbe48d32659737508f897528ed8c32fbd"}) [ 3048.849064] batman_adv: batadv0: Adding interface: veth45 [ 3048.859831] batman_adv: batadv0: The MTU of interface veth45 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 3048.900966] batman_adv: batadv0: Not using interface veth45 (retrying later): interface not active 13:39:58 executing program 4: openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(0xffffffffffffffff, 0x4020ae46, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000000000/0x18000)=nil, &(0x7f00000000c0)=[@text64={0x40, 0x0}], 0x1, 0x0, 0x0, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r4}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) sendmsg$nl_route(r0, 0x0, 0x0) [ 3048.952130] FAULT_INJECTION: forcing a failure. [ 3048.952130] name failslab, interval 1, probability 0, space 0, times 0 [ 3048.986064] CPU: 0 PID: 10645 Comm: syz-executor.1 Not tainted 4.19.133-syzkaller #0 [ 3048.993988] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 3049.003353] Call Trace: [ 3049.005962] dump_stack+0x1fc/0x2fe [ 3049.009619] should_fail.cold+0xa/0x14 [ 3049.013567] ? setup_fault_attr+0x200/0x200 [ 3049.017905] ? lock_acquire+0x170/0x3c0 [ 3049.021913] __should_failslab+0x115/0x180 [ 3049.026178] should_failslab+0x5/0xf [ 3049.029903] kmem_cache_alloc_trace+0x284/0x380 [ 3049.034593] __netdev_adjacent_dev_insert.part.0+0xac/0x7c0 [ 3049.040318] ? is_hsr_master+0x9/0x70 [ 3049.044130] ? bcm_notifier+0x94/0x64d [ 3049.048027] ? netdev_rx_csum_fault+0x30/0x30 13:39:58 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x20, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}}, 0x20}}, 0x0) 13:39:58 executing program 2: write$binfmt_elf64(0xffffffffffffffff, &(0x7f00000000c0)={{0x7f, 0x45, 0x4c, 0x46, 0x3, 0x4e, 0x7, 0x5, 0x8, 0x3, 0x3, 0x9343, 0x22a, 0x40, 0x17, 0xe4, 0x6, 0x38, 0x1, 0x100, 0xf5, 0x7f}, [{0x5, 0x1, 0x0, 0xfffffffffffffffd, 0x8000, 0x7ff, 0x317, 0x1000}], "9342bc78e327a7002d7d42979b639284309bdb3f30a38d6053f1cf6556ae95b6024bafa2c9522eb6f0a63e65a6d8abb35c717d8800529710c17f4de63d961e6efe3d3e9d7960043c4d2b96b15e70d520dd94978e94893b7e8242de118066973445cac7efa24f6b64110c5b040ba61852dbb15ab3379ae098c48e417e7872c67b0d3da3cc36c73a5ccd5ef10df44a5ef3a69f6c15ba1e029520f3d9ffbb0410ee0425d3d39cf8571ecac53e8934d6ad8f54d35e0395b016e395357139dd042b4e79bccb47c1644e309e19bd364455a00561be96f0cf10a1a3471b7bf838bc7ed7b70bae37e40a6e0c17083c6ad4a38cf9ae945bc9e3fcc5a54b91d564d8ff6ec135a6c98625ed7d97f0f3bb920fe4a86e28d6eaaff829190fc2b74d96ea2f65004281361d9e58778f830da5695a813ab7a4442560522dfb50c3b89f3a2df5fc6f8be7b8407799e6e83ee8b89e1248ab026e706e94c2c5ba9404b75095f13f7e26c4059d697e5cfad0a019921c448c5f54dcb8fdbf085541f8cb51006b32aadbd539637de7c2aad8737e1a3783ee5ae94cb75e8114c48d4f4e18337240045fd0ffb124ebe7919c55296359d1892180556e3f8034f8cb8488fce912ee30edfca52845f10ea27f4ab774be518aa55bcfd8c02f151a8f4aebfeff9a502b16b29363233c78e629ea206e5763963da5f263fdd81fb20289370321983b8a54f1c9d8b158a9539c1543c0616cece8e38d68b3f461436d5b29c83bac6779c5e447a68ad3c57dcd40e28432be5b8cc0585642e7d93b426ad779b2f219e27848fef6c81867a572b23289bfd8be9b6e25cc8ab87f4bb00681c51bd83e0592e855bcd7fa7f1b3e452ae952bb6ac6e712464fecf883c4aec29f45ce0d0cbc4dc1707fe9cbd94361a08b5ac612370c319f09b6a643de5e3846b7eb7d3a5abb99f3cc01741a0cc9e789f5fbfb75c8c99d79afe4d1b0d97fad9349b38070cd1bd86c426b52efb8b49b39076fd64736e99a094516fad7054e80d99fa4453d5fe37b03ffd00217214be5fdd2e251568447cc5e8b5d2060108709c2a88ea048ecb68e4a3c96f9aa025101fef2869e828f21ec5e791389c77767052b075732c65aa4f6a15e21c19194016e1d0fb51d8d176c4b8037fb299c4790358414be10f325d6067708b89113c1bf9047f0a2bb8421ff30eab4b2d29a55121639cd7c1686847d0a2c448aa58926408156cf08ea0956d6f686a4e7ccbba2ed431530dae17bd479899f60dc391b5e84062ff8bde327849c405b67dada6a0591e8a6c5ecacf30d88d0ea3f44e39c3f4de91ffef762172042f981ab6a14bdc50f3758f789bec12f5dcd55ca44d5112e0044b331b232dc6b9dbbf2fe5eafdf4e0c915336c6782c882eb5eb09b049a4b3da88e4568767ef16d362963a83be5c016e02437ee7a6dea6d360ffd1cb6180310f382dae8f1f3d9e161ae81cc5b8790071918132eb51230b8c0bfe4caa01866c9fadf63aaad67c7dce62482b037d9069553183389eff088b17069bac4daebd006accae6a3da830617d399db5aeaaf41199de43497ad9bea5b93abb3fa67cab4badbb69d6e2c0d6e7f16af30fd2f3587e8884eeb2f8d026b6bd50bb6bec8e568f686b1155135e143a300649f7b61f21f49ac671067270d640671588595da2f3d2ab039bd84fab84b2a9f7f5b6c9fc63e8f0536be519d0a11cb32b4e3e836493d80454624149452987177014a4b63d59d5dcc3e4f900bf3e99b95f2c71e72a8923b0ad1dadfcd8af39b9cdbea1b0f42803eb203fcfd4c2c1abb0c62e98af9dcb25e9f8f73f7a5c6fa7434c0fe3a27b3bffdea381e02e00ec5876825c546fb5702d9caa98f10932870ca5955015468206d4ed784c9b7fe83660f9d262182e1a9edc4e52036589f58450577591f8cdaebe44092d743c0b8695e7f0c77634ae58ad461298d1c9e8fc68e09217b4cec86ef31250d9c3c108a91a7ade92c814d163875aeca693a4cf85e892013e87b79488d5e7c4ec7fd0650683eb41a70e0189cae1e085e1b613c2f691d57152c93a2cf7f805e9e5d118eed53002bdd63c805b5323a369472373d02326781339d0360a3e07811c19853c23c519a310b6d0f1ded29bdddc0bbba1dd2843dad914c6064b522f1a0c5772095af0e63809a40d03854d3475ed0b1f3732ebe204a4327298ac6c62da5c41ef81fe3b8bcc75981753b9b3aa3c4492d533130b6b8a146881bb044f037dbfefe05f6936bbb6c1909e015feb35e15dd1ced4026ffe09c2900ce5d78a1c0cde92d1ea0b689b57b057465d5a4ddfce7c37dc045b4924ac01d8e43cec27591fd894cabc1b0b08f4eb91645fcf4edb93c047136d978527e9dd26becc9161cddc8b70de32a3d711ff989debd565518940b37257bd7996670025de5dbcac7edb7abec92a30ed819c4a102d9170b7d743a6c153bbb3d8c5bd216db0e60e73b3d2ab2858f91b44f6d9e3c8cfa4bcc561ce6fec2d6e989b37ff4aaa5aae8711ffc736a44d122e12b369abef626d24a93e25da1ea72fc1b5dea3902fff5ad6ffe83524c958f13807d408962ff370f5fd3f45662fbf8339c727c2a33d893dce91138986ff298cd6f351a524ea41d968e58d72b42adc9ddd38196f758480324ef587ee20029da1a396c41aaed0f028bc83a2af0505d6d14b467b0fdfa4c03ae9d9964dbe71fe180b0447a29b2e5e2d53f15c55f5c97186d4efa318ad893ca6aae1d623c80b0ce29355cee521bb3f3fece7303d1b2f8fd66827282869752a96b8832496926e28af62430f7e57c89c120b155ac4ee128f93132d55622e62c5fb59deabe9937f8514c35df3409bb436c5b771fb0ebe51bcfcc9a12d88da22508639459b48935c6cfdd49e1f2340f2b85c3751f2df4c175a61d525a389dbfdb99c991ca2440ebfefc01e97e5e161666b7fb52a238c9e6cecccc15b2d4c1bcfff2a7b3405c1617fb5fba6ffe1cbd35a0d7a1ba02cf16592bbcb69fe372b7f39b14725bb14a87e0b9ce6f7ce1f5178199183b79b29fddb2c21d5d48e79c8bfe04288d528e67d0c46f458d086d2478577bc14f49d83d2925147322b1670d2b603b01931a3f5da14e5aad0ef0aaa59da3e283e069516b8809adae1e50254d7a7b1c8251677033d1cae007ae1d0c27fd8c0bb87f00662f213ca4a2d0aac68bb8030add8fe326f799d83dd4cae1e354a4ec0c624cba8b93eaada93f3ac4884dc1dc1730257193ed8992f30eea0a1b22c20780d25ec8bcedcfc05b329776b0620481f4f7509b62c6d9e15428b4e56c2ee9a088e2954705f4805617aa399e454074f114d79f369fcceb4f6660811b7351115ea74bcefdd0274ad8eee4d97defe2b752e09948b1a676295b3a5eadd1d67e21be1a6d5f163e0efc6263b5e9cd671af8078736883a0d14ec6341d5adca8960ff8b2503886146d4cadcbca2e1ff74976850eb58aa508260ad2bbdd1d257cbc95bcf7dd18ffbf15aa04f1828809087920de5a7077338e8437bb1e3c7d77a91d02a897da84a8b8260842f2804bc05de0a12499fba5608754216411e35532524e03eade5e01ca5b8864430e09b23b5136e2d48a677105a2cc824ab6bc26487a2ea5975d015fe987575a0729059915c8c91ba14b0ec6a81121614a25b5166d86e95de9e4315a8b637a1a7f2ea955b8a4b9f1505f04e808ff5af3c78a753e008c25efbb85d704ebee77bb2071f22fa93e3f10336571ad018b2695d11a8cc3ebb6023f1d2e8a41e57efab47af0147a0f80a743dfd47e40f293a8eeafb5e75af582b8d316ebf72892a62c6fbbb300dfb60af4b2dff8dccc6c8bd6cecc62c7702e00c31cd09289d02ad2fa8b9c8e86461c5da83bce6d3f03d4136794b6a1d87956285af23970de28135d8b5f64ddf3100cf072dce2ea20afad8e36334f374b50d293a56519e0adf042e45ae672ac440e6ca22405079af88fa4c0359d4aeddff8bce6ab1020fcc96d071c5b4d1d2597a2299d52d557608217d7ecc4730908a3e769d848a2dc5dd2ffcc0b03342b9552bfc3d541698e96bd308dfadc189d5d7a5773eeee07b11784d091c23d04cd5b7d2187856842b12e882e1e2ac611ea515f93d05c6a6088418a5e39d067239b8443032ef1d64a5e6ca393f712eb98cabc7b62d1d16e414b6efed2b151dcad502a58803e498907e46365eb918e75e16621bb1196eb1c0a9c53b4ccaa6f00835dbbaf5e4f2d2c384bd92715ea92358f3f41786364833fc31c74433167b4032ebbf1ff7450c8d7da6aadd862c8e4ac52948138cfb8a2006b8e3323a7c41bdbe3fe19666b481b092a74ce6b52f868ee2ca14fc96a8b2837e1fde4b3f74fb96a3a8ecc75e80135068a6b9174fcfb8b53176b59a20f4b479ffa6d32e42bd0fdf50766895464444a7a6d3bd7033386202c68460eea851211d82c48ec97878c155f2026a60fb6a9aad0c392188889725d4587bb8a82c69cb52b00a0b28e71b57584ce3af0ea755b99770cac9607336f5a31b148509bb18a184fbf2f90c72ff7722c6bc7731134078ac2bfa14f5606d10b44a438c669590c6339458cbc6850d9094a955259516550d6fb4f6f0e01b657d005d19dea7e9b15516c4966d51a0d93e546af8053bc87e40bc61f989ab535c50fa3b2e4a24bf5f6089beec661d66b09f45467069460eedaad55df636b0090329ae9a846c589946b0b38dabcfd9f9524f2f48abb2796e5c73464064e3ce8870bb74e20db6746cc115b2840fa4ab9875a86ebb7f45e69afffbe2381e58de192b90630443eb1da26f7e9af944de8c74517e1079f148b1d57273716e0c7407c3b47c2b3a90d069fcc9d54bbf1c05b8590a5ceaa62ad532cac63ee8b826023c9655e7ae98ed6ddd7544ea33c546a7e96d43f738f5d469b105e86cc82de56edc1542ad48acac842cb8522f69174d6251fe7c90f1012ffb6e8f0de74a6ea7415ea877aa01a34e7b2ec21c1bb378490fa6c3a87bff3a156e1eead8deb9ccbb50a69121f7e7d116bfcb68d59534d128d966c6686a1bdf4dc3d228a3e800f80522b4c68fa7ed5ba89c1a6f7daf6b7f2321837aa00331e4763f524d9c1984483b3e3138928598234cc338bfa6907f8807b926e4f3c0ee50912dbdb9694e93692eed3ac816b07d97f392c2e2252ff29b2b50834a6ad94ea2f5da41d224201132363b83bc0ae050ea8eedef5a9805f1813c57a37cbf5b2fc427683efa101a4de26833457811bf9e516bb4f6278f303e9f8b5454e9a63548150172a411b9ec910772b6db21df56cdcd56c312022705ff8cacbed754d6a8af4b171d8f8742ff3b9238c5faf92450e97cc9d827d84a60a74469c0286a0fcff6e5424d12847bb39c7e31b982edc94b8703cf1f19278c6ddabcc5b7c3960844cea44847d31bd171c13ee61e49d3e72cb45f5ba45962eed77c59c3cbb7c267144142813da27f6cdd646270033cf8f7a0504bc32e291392a2ee1aa59cef0a66e6f08038788bb70063026901b30c7335ee0c1c9ac5ed0d29e2fd7fdf4c43eb676c06fdf149a1b08cfa7df8c1db5996740973c30f4e739882e7adbd021024e60b2a390c9d085c3bddde4656750ad02428343d3d8a9bc4f00fd2ae5d9713cbbb20707b1da7425ff62361685ce8696d707a19498bf02f15139054e5d5e60f3b3cafefc0bf0618989485a863fbf0a4729bd0f1d3302b710a496c8eae5797e12ef5560f0704420ca2ee173328dd56a6668e51ae68d4532fc2577ebf88d3262b16c6d4f2316b7d70250194448bb02b91cd164340e16b287500353b4a990ea1481cc674d83de44aca236", [[], [], []]}, 0x1378) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xe) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) 13:39:58 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) prctl$PR_GET_TID_ADDRESS(0x28, &(0x7f0000000080)) r1 = syz_open_procfs$namespace(0x0, &(0x7f00000001c0)='ns/ipc\x00') setns(r1, 0x0) r2 = dup(r1) setsockopt$bt_BT_POWER(r2, 0x112, 0x9, &(0x7f00000000c0), 0x1) ioctl$BLKGETSIZE64(r2, 0x80081272, &(0x7f0000000180)) write$FUSE_STATFS(r2, &(0x7f0000000100)={0x60, 0x0, 0x1, {{0xfffffffffffffb1c, 0x80000000, 0x2, 0x8001, 0x0, 0x2, 0x6, 0x81}}}, 0x60) openat$cgroup_type(r2, &(0x7f0000000040)='cgroup.type\x00', 0x2, 0x0) [ 3049.052533] ? ip6_route_dev_notify+0xd7/0xcd0 [ 3049.057135] ? notifier_call_chain+0x1d5/0x230 [ 3049.061743] __netdev_upper_dev_link+0x521/0x980 [ 3049.066551] ? dev_get_by_name+0xe8/0x1b0 [ 3049.070718] ? __netdev_adjacent_dev_remove+0x520/0x520 [ 3049.076100] ? pipe_write+0xf41/0xf80 [ 3049.079915] ? check_preemption_disabled+0x41/0x280 [ 3049.084964] batadv_hardif_enable_interface+0x250/0xba0 [ 3049.090352] batadv_softif_slave_add+0x8a/0x100 [ 3049.095032] ? batadv_softif_slave_del+0xc0/0xc0 [ 3049.099808] do_set_master+0x1c8/0x220 [ 3049.103701] do_setlink+0x7ec/0x3540 [ 3049.107421] ? perf_swevent_event+0x6c/0x550 [ 3049.111829] ? tracing_generic_entry_update+0x191/0x200 [ 3049.117196] ? rtnl_fdb_add+0xa10/0xa10 [ 3049.121255] ? perf_tp_event+0x5f4/0xaa0 [ 3049.125329] ? perf_swevent_event+0x6c/0x550 [ 3049.129741] ? tracing_generic_entry_update+0x191/0x200 [ 3049.135108] ? check_preemption_disabled+0x41/0x280 [ 3049.140202] ? perf_tp_event+0x5f4/0xaa0 [ 3049.144282] ? perf_swevent_event+0x6c/0x550 [ 3049.148689] ? tracing_generic_entry_update+0x191/0x200 [ 3049.154042] ? __sanitizer_cov_trace_switch+0x4b/0x80 [ 3049.159220] ? validate_nla+0x270/0x820 [ 3049.163183] ? nla_parse+0x1b2/0x290 [ 3049.166888] rtnl_newlink+0xda0/0x15a0 [ 3049.170773] ? rtnl_getlink+0x620/0x620 [ 3049.174751] ? perf_swevent_event+0x550/0x550 [ 3049.179262] ? perf_trace_run_bpf_submit+0x144/0x220 [ 3049.184349] ? perf_trace_run_bpf_submit+0x144/0x220 [ 3049.189461] ? perf_trace_lock+0x30f/0x4b0 [ 3049.193717] ? perf_trace_run_bpf_submit+0x144/0x220 [ 3049.198812] ? __lock_acquire+0x6de/0x3ff0 [ 3049.203036] ? check_preemption_disabled+0x41/0x280 [ 3049.208038] ? perf_trace_run_bpf_submit+0x144/0x220 [ 3049.213136] ? perf_trace_lock+0x30f/0x4b0 [ 3049.217380] ? mark_held_locks+0xf0/0xf0 [ 3049.221445] ? perf_trace_lock_acquire+0x530/0x530 [ 3049.226368] ? perf_trace_run_bpf_submit+0x144/0x220 [ 3049.231457] ? __lock_acquire+0x6de/0x3ff0 [ 3049.235680] ? check_preemption_disabled+0x41/0x280 [ 3049.240682] ? perf_trace_run_bpf_submit+0x144/0x220 [ 3049.245778] ? perf_trace_lock+0x30f/0x4b0 [ 3049.250001] ? _raw_spin_unlock_irq+0x24/0x80 [ 3049.254484] ? perf_trace_lock_acquire+0x530/0x530 [ 3049.259412] ? finish_task_switch+0x146/0x780 [ 3049.263919] ? finish_task_switch+0x118/0x780 [ 3049.268488] ? __mutex_add_waiter+0x160/0x160 [ 3049.273001] ? check_preemption_disabled+0x41/0x280 [ 3049.278017] ? rtnetlink_rcv_msg+0x3c3/0xb80 [ 3049.282426] ? rtnl_getlink+0x620/0x620 [ 3049.286387] rtnetlink_rcv_msg+0x453/0xb80 [ 3049.290613] ? rtnl_calcit.isra.0+0x430/0x430 [ 3049.295094] ? perf_trace_lock+0x30f/0x4b0 [ 3049.299325] ? netdev_pick_tx+0x2f0/0x2f0 [ 3049.303461] ? __copy_skb_header+0x414/0x500 [ 3049.307860] ? perf_trace_lock_acquire+0x530/0x530 [ 3049.312781] netlink_rcv_skb+0x160/0x440 [ 3049.316832] ? rtnl_calcit.isra.0+0x430/0x430 [ 3049.321316] ? netlink_ack+0xae0/0xae0 [ 3049.325236] netlink_unicast+0x4d5/0x690 [ 3049.329290] ? netlink_sendskb+0x110/0x110 [ 3049.333523] netlink_sendmsg+0x6bb/0xc40 [ 3049.337583] ? nlmsg_notify+0x1a0/0x1a0 [ 3049.341554] ? kernel_recvmsg+0x220/0x220 [ 3049.345707] ? nlmsg_notify+0x1a0/0x1a0 [ 3049.349686] sock_sendmsg+0xc3/0x120 [ 3049.353414] ___sys_sendmsg+0x7bb/0x8e0 [ 3049.357405] ? copy_msghdr_from_user+0x440/0x440 [ 3049.362161] ? __fget+0x32f/0x510 [ 3049.365610] ? lock_downgrade+0x720/0x720 [ 3049.369754] ? check_preemption_disabled+0x41/0x280 [ 3049.374771] ? check_preemption_disabled+0x41/0x280 [ 3049.379915] ? __fget+0x356/0x510 [ 3049.383373] ? do_dup2+0x450/0x450 [ 3049.386897] ? lock_downgrade+0x720/0x720 [ 3049.391034] ? vfs_write+0x3d7/0x540 [ 3049.394742] ? __fdget+0x1d0/0x230 [ 3049.398275] __x64_sys_sendmsg+0x132/0x220 [ 3049.402499] ? __sys_sendmsg+0x1b0/0x1b0 [ 3049.406546] ? vfs_write+0x393/0x540 [ 3049.410281] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 3049.415143] ? trace_hardirqs_off_caller+0x69/0x210 [ 3049.420155] ? do_syscall_64+0x21/0x620 [ 3049.424119] do_syscall_64+0xf9/0x620 [ 3049.427910] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 3049.433103] RIP: 0033:0x45c1d9 [ 3049.436292] Code: 8d b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 5b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 3049.455178] RSP: 002b:00007fc9a538ec78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 3049.462962] RAX: ffffffffffffffda RBX: 000000000002af00 RCX: 000000000045c1d9 [ 3049.470216] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003 [ 3049.477483] RBP: 00007fc9a538eca0 R08: 0000000000000000 R09: 0000000000000000 [ 3049.484774] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003 [ 3049.492122] R13: 00007ffc53db839f R14: 00007fc9a538f9c0 R15: 000000000078bfac 13:39:59 executing program 1 (fault-call:6 fault-nth:4): r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) 13:39:59 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xe) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) r1 = open(&(0x7f0000000140)='./file0\x00', 0x40002, 0x8) sendfile(r1, 0xffffffffffffffff, 0x0, 0x2008000fffffffe) r2 = socket$inet(0x2, 0x4000000000000001, 0x0) sendto$inet(r2, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) r3 = socket(0xa, 0x1, 0x0) close(r3) r4 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r4, 0x84, 0x6e, &(0x7f0000000180)=[@in6={0xa, 0x0, 0x0, @remote, 0x9}], 0x1c) getsockopt$inet_sctp6_SCTP_GET_ASSOC_ID_LIST(r4, 0x84, 0x1d, &(0x7f000095dff8)={0x1, [0x0]}, &(0x7f000095dffc)=0x8) sendmmsg$inet_sctp(r3, &(0x7f0000002cc0)=[{0x0, 0x29e, 0x0, 0x0, &(0x7f00000016c0)=[@sndinfo={0x20, 0x84, 0x2, {0x0, 0x4, 0x0, 0x0, r5}}], 0x20}], 0x1, 0x0) setsockopt$inet_sctp_SCTP_AUTH_ACTIVE_KEY(r2, 0x84, 0x18, &(0x7f0000000000)={r5, 0x9}, 0x8) setsockopt$inet_sctp_SCTP_PR_SUPPORTED(r1, 0x84, 0x71, &(0x7f0000000040)={r5, 0x10000}, 0x8) 13:39:59 executing program 0: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xe) ioctl$TIOCSETD(r0, 0x5413, &(0x7f0000000000)) 13:39:59 executing program 3: ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x3f00, &(0x7f0000000200)={&(0x7f0000000640)=@newlink={0x20, 0x11, 0x40d, 0xa, 0x0, {0x5, 0x0, 0x0, r3}}, 0x20}, 0x1, 0x3f00}, 0x0) [ 3049.552636] batman_adv: batadv0: Adding interface: veth47 [ 3049.558228] batman_adv: batadv0: The MTU of interface veth47 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 3049.638455] batman_adv: batadv0: Not using interface veth47 (retrying later): interface not active 13:39:59 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa}]}, 0x28}}, 0x0) 13:39:59 executing program 0: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xe) ioctl$TIOCSETD(r0, 0x5414, &(0x7f0000000000)) 13:39:59 executing program 3: ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x3f00, &(0x7f0000000200)={&(0x7f0000000640)=@newlink={0x20, 0x11, 0x40d, 0xa, 0x0, {0x5, 0x0, 0x0, r3}}, 0x20}, 0x1, 0x3f00}, 0x0) 13:39:59 executing program 4: openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(0xffffffffffffffff, 0x4020ae46, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000000000/0x18000)=nil, &(0x7f00000000c0)=[@text64={0x40, 0x0}], 0x1, 0x0, 0x0, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r4}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) sendmsg$nl_route(r0, 0x0, 0x0) [ 3049.709785] FAULT_INJECTION: forcing a failure. [ 3049.709785] name failslab, interval 1, probability 0, space 0, times 0 [ 3049.774373] CPU: 1 PID: 10685 Comm: syz-executor.1 Not tainted 4.19.133-syzkaller #0 [ 3049.782301] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 3049.791663] Call Trace: [ 3049.794269] dump_stack+0x1fc/0x2fe [ 3049.797915] should_fail.cold+0xa/0x14 [ 3049.801823] ? setup_fault_attr+0x200/0x200 [ 3049.806145] ? lock_acquire+0x170/0x3c0 [ 3049.810128] __should_failslab+0x115/0x180 [ 3049.814366] should_failslab+0x5/0xf [ 3049.818083] __kmalloc_track_caller+0x2a6/0x3c0 [ 3049.822758] ? kstrdup_const+0x53/0x80 [ 3049.826648] ? perf_trace_run_bpf_submit+0x144/0x220 [ 3049.831756] kstrdup+0x36/0x70 [ 3049.834968] kstrdup_const+0x53/0x80 [ 3049.838686] __kernfs_new_node+0x9b/0x680 [ 3049.842840] ? kernfs_dop_revalidate+0x3a0/0x3a0 [ 3049.847604] ? perf_trace_lock_acquire+0x530/0x530 [ 3049.852543] ? pointer+0x850/0x850 [ 3049.856087] ? sysfs_do_create_link_sd+0x82/0x130 [ 3049.860951] kernfs_new_node+0x92/0x120 [ 3049.864947] kernfs_create_link+0xd1/0x228 [ 3049.869197] sysfs_do_create_link_sd+0x90/0x130 [ 3049.873875] sysfs_create_link+0x5f/0xc0 [ 3049.877948] __netdev_adjacent_dev_insert.part.0+0x3d6/0x7c0 [ 3049.883755] ? netdev_rx_csum_fault+0x30/0x30 [ 3049.888258] ? ip6_route_dev_notify+0xd7/0xcd0 [ 3049.892848] ? notifier_call_chain+0x1d5/0x230 [ 3049.897436] __netdev_upper_dev_link+0x521/0x980 [ 3049.902193] ? dev_get_by_name+0xe8/0x1b0 [ 3049.906334] ? __netdev_adjacent_dev_remove+0x520/0x520 [ 3049.911692] ? pipe_write+0xf41/0xf80 [ 3049.915493] ? check_preemption_disabled+0x41/0x280 [ 3049.920508] batadv_hardif_enable_interface+0x250/0xba0 [ 3049.925860] batadv_softif_slave_add+0x8a/0x100 [ 3049.930537] ? batadv_softif_slave_del+0xc0/0xc0 [ 3049.935297] do_set_master+0x1c8/0x220 [ 3049.939189] do_setlink+0x7ec/0x3540 [ 3049.942916] ? rtnl_fdb_add+0xa10/0xa10 [ 3049.946890] ? tracing_generic_entry_update+0x191/0x200 [ 3049.952256] ? perf_tp_event+0x5f4/0xaa0 [ 3049.956317] ? perf_swevent_event+0x6c/0x550 [ 3049.960726] ? tracing_generic_entry_update+0x191/0x200 [ 3049.966078] ? perf_swevent_event+0x6c/0x550 [ 3049.970478] ? tracing_generic_entry_update+0x191/0x200 [ 3049.975839] ? check_preemption_disabled+0x41/0x280 [ 3049.980849] ? perf_tp_event+0x5f4/0xaa0 [ 3049.984902] ? __sanitizer_cov_trace_switch+0x4b/0x80 [ 3049.990085] ? validate_nla+0x270/0x820 [ 3049.994059] ? nla_parse+0x1b2/0x290 [ 3049.997779] rtnl_newlink+0xda0/0x15a0 [ 3050.001679] ? rtnl_getlink+0x620/0x620 [ 3050.005644] ? check_preemption_disabled+0x41/0x280 [ 3050.010652] ? perf_trace_run_bpf_submit+0x144/0x220 [ 3050.015775] ? perf_trace_lock+0x30f/0x4b0 [ 3050.020009] ? perf_swevent_event+0x6c/0x550 [ 3050.024427] ? tracing_generic_entry_update+0x191/0x200 [ 3050.029785] ? check_preemption_disabled+0x41/0x280 [ 3050.034803] ? perf_tp_event+0x5f4/0xaa0 [ 3050.038864] ? __read_once_size_nocheck.constprop.0+0x10/0x10 [ 3050.044762] ? perf_swevent_event+0x550/0x550 [ 3050.049259] ? perf_trace_run_bpf_submit+0x144/0x220 [ 3050.054367] ? perf_trace_run_bpf_submit+0x144/0x220 [ 3050.059477] ? perf_trace_lock+0x30f/0x4b0 [ 3050.063713] ? __kernel_text_address+0x9/0x30 [ 3050.068200] ? __lock_acquire+0x6de/0x3ff0 [ 3050.072523] ? avc_has_perm_noaudit+0x1c5/0x390 [ 3050.077201] ? mark_held_locks+0xf0/0xf0 [ 3050.081259] ? lock_acquire+0x170/0x3c0 [ 3050.085235] ? avc_has_perm_noaudit+0x9c/0x390 [ 3050.089813] ? check_preemption_disabled+0x41/0x280 [ 3050.094874] ? __mutex_add_waiter+0x160/0x160 [ 3050.099369] ? check_preemption_disabled+0x41/0x280 [ 3050.104400] ? rtnetlink_rcv_msg+0x3c3/0xb80 [ 3050.108804] ? rtnl_getlink+0x620/0x620 [ 3050.112772] rtnetlink_rcv_msg+0x453/0xb80 [ 3050.117011] ? rtnl_calcit.isra.0+0x430/0x430 [ 3050.121512] ? perf_trace_lock+0x30f/0x4b0 [ 3050.125747] ? netdev_pick_tx+0x2f0/0x2f0 [ 3050.129891] ? __copy_skb_header+0x414/0x500 [ 3050.134294] ? perf_trace_lock_acquire+0x530/0x530 [ 3050.139345] netlink_rcv_skb+0x160/0x440 [ 3050.143402] ? rtnl_calcit.isra.0+0x430/0x430 [ 3050.147903] ? netlink_ack+0xae0/0xae0 [ 3050.151899] netlink_unicast+0x4d5/0x690 [ 3050.155972] ? netlink_sendskb+0x110/0x110 [ 3050.160219] netlink_sendmsg+0x6bb/0xc40 [ 3050.164295] ? nlmsg_notify+0x1a0/0x1a0 [ 3050.168271] ? kernel_recvmsg+0x220/0x220 [ 3050.172434] ? nlmsg_notify+0x1a0/0x1a0 [ 3050.176410] sock_sendmsg+0xc3/0x120 [ 3050.180124] ___sys_sendmsg+0x7bb/0x8e0 [ 3050.184121] ? copy_msghdr_from_user+0x440/0x440 [ 3050.188959] ? __fget+0x32f/0x510 [ 3050.192432] ? lock_downgrade+0x720/0x720 [ 3050.196595] ? check_preemption_disabled+0x41/0x280 [ 3050.201708] ? check_preemption_disabled+0x41/0x280 [ 3050.206841] ? __fget+0x356/0x510 [ 3050.210430] ? do_dup2+0x450/0x450 [ 3050.213962] ? lock_downgrade+0x720/0x720 [ 3050.218149] ? vfs_write+0x3d7/0x540 [ 3050.221862] ? __fdget+0x1d0/0x230 [ 3050.225409] __x64_sys_sendmsg+0x132/0x220 [ 3050.229681] ? __sys_sendmsg+0x1b0/0x1b0 [ 3050.233734] ? vfs_write+0x393/0x540 [ 3050.237449] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 3050.242199] ? trace_hardirqs_off_caller+0x69/0x210 [ 3050.247209] ? do_syscall_64+0x21/0x620 [ 3050.251184] do_syscall_64+0xf9/0x620 [ 3050.254993] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 3050.260180] RIP: 0033:0x45c1d9 13:39:59 executing program 0: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xe) ioctl$TIOCSETD(r0, 0x5415, &(0x7f0000000000)) [ 3050.263372] Code: 8d b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 5b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 3050.282273] RSP: 002b:00007fc9a53afc78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 3050.289990] RAX: ffffffffffffffda RBX: 000000000002af00 RCX: 000000000045c1d9 [ 3050.297259] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003 [ 3050.304534] RBP: 00007fc9a53afca0 R08: 0000000000000000 R09: 0000000000000000 [ 3050.311808] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 3050.319074] R13: 00007ffc53db839f R14: 00007fc9a53b09c0 R15: 000000000078bf0c 13:39:59 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0xfa41093c8851dcec, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0x11) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)=0xffffffff) 13:40:00 executing program 1 (fault-call:6 fault-nth:5): r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) 13:40:00 executing program 3: ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x3f00, &(0x7f0000000200)={&(0x7f0000000640)=@newlink={0x20, 0x11, 0x40d, 0xa, 0x0, {0x5, 0x0, 0x0, r3}}, 0x20}, 0x1, 0x3f00}, 0x0) [ 3050.428758] batman_adv: batadv0: Adding interface: veth49 [ 3050.445464] batman_adv: batadv0: The MTU of interface veth49 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 13:40:00 executing program 0: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xe) ioctl$TIOCSETD(r0, 0x5416, &(0x7f0000000000)) 13:40:00 executing program 2: r0 = openat$vsock(0xffffffffffffff9c, &(0x7f0000000040)='/dev/vsock\x00', 0x0, 0x0) ioctl$SNDCTL_DSP_SETFMT(r0, 0xc0045005, &(0x7f00000000c0)=0x8) r1 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r1, 0x5423, &(0x7f0000000080)=0xe) ioctl$TIOCSETD(r1, 0x5412, &(0x7f0000000000)) [ 3050.538916] batman_adv: batadv0: Not using interface veth49 (retrying later): interface not active [ 3050.562197] Unknown ioctl -1073459195 [ 3050.570701] Unknown ioctl -1073459195 13:40:00 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x2e8001, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xe) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) r1 = open(&(0x7f0000000140)='./file0\x00', 0x40002, 0x8) sendfile(r1, 0xffffffffffffffff, 0x0, 0x2008000fffffffe) ioctl$KDADDIO(r1, 0x4b34, 0x10003) [ 3050.589454] FAULT_INJECTION: forcing a failure. [ 3050.589454] name failslab, interval 1, probability 0, space 0, times 0 [ 3050.625875] CPU: 0 PID: 10724 Comm: syz-executor.1 Not tainted 4.19.133-syzkaller #0 13:40:00 executing program 0: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xe) ioctl$TIOCSETD(r0, 0x5418, &(0x7f0000000000)) [ 3050.633803] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 3050.643166] Call Trace: [ 3050.645781] dump_stack+0x1fc/0x2fe [ 3050.649429] should_fail.cold+0xa/0x14 [ 3050.653343] ? setup_fault_attr+0x200/0x200 [ 3050.657689] ? lock_acquire+0x170/0x3c0 [ 3050.661695] __should_failslab+0x115/0x180 [ 3050.665959] should_failslab+0x5/0xf [ 3050.669690] kmem_cache_alloc+0x277/0x370 [ 3050.673857] __kernfs_new_node+0xd2/0x680 [ 3050.678031] ? kernfs_dop_revalidate+0x3a0/0x3a0 [ 3050.682800] ? perf_trace_lock_acquire+0x530/0x530 [ 3050.687753] ? pointer+0x850/0x850 [ 3050.691312] ? sysfs_do_create_link_sd+0x82/0x130 [ 3050.696163] kernfs_new_node+0x92/0x120 [ 3050.700148] kernfs_create_link+0xd1/0x228 [ 3050.704403] sysfs_do_create_link_sd+0x90/0x130 [ 3050.709092] sysfs_create_link+0x5f/0xc0 [ 3050.713181] __netdev_adjacent_dev_insert.part.0+0x3d6/0x7c0 [ 3050.718997] ? netdev_rx_csum_fault+0x30/0x30 [ 3050.723495] ? ip6_route_dev_notify+0xd7/0xcd0 [ 3050.728072] ? notifier_call_chain+0x1d5/0x230 [ 3050.732655] __netdev_upper_dev_link+0x521/0x980 [ 3050.737412] ? dev_get_by_name+0xe8/0x1b0 [ 3050.741557] ? __netdev_adjacent_dev_remove+0x520/0x520 [ 3050.746910] ? pipe_write+0xf41/0xf80 [ 3050.750698] ? check_preemption_disabled+0x41/0x280 [ 3050.755717] batadv_hardif_enable_interface+0x250/0xba0 [ 3050.761077] batadv_softif_slave_add+0x8a/0x100 [ 3050.765732] ? batadv_softif_slave_del+0xc0/0xc0 [ 3050.770487] do_set_master+0x1c8/0x220 [ 3050.774370] do_setlink+0x7ec/0x3540 [ 3050.778081] ? perf_swevent_event+0x6c/0x550 [ 3050.782473] ? tracing_generic_entry_update+0x191/0x200 [ 3050.787824] ? rtnl_fdb_add+0xa10/0xa10 [ 3050.791802] ? perf_tp_event+0x5f4/0xaa0 [ 3050.795924] ? perf_swevent_event+0x6c/0x550 [ 3050.800337] ? tracing_generic_entry_update+0x191/0x200 [ 3050.805701] ? check_preemption_disabled+0x41/0x280 [ 3050.810726] ? perf_tp_event+0x5f4/0xaa0 [ 3050.814798] ? perf_swevent_event+0x6c/0x550 [ 3050.819207] ? tracing_generic_entry_update+0x191/0x200 [ 3050.824567] ? __sanitizer_cov_trace_switch+0x4b/0x80 [ 3050.829762] ? validate_nla+0x270/0x820 [ 3050.833745] ? nla_parse+0x1b2/0x290 [ 3050.837459] rtnl_newlink+0xda0/0x15a0 [ 3050.841341] ? rtnl_getlink+0x620/0x620 [ 3050.845308] ? perf_swevent_event+0x550/0x550 [ 3050.849797] ? perf_trace_run_bpf_submit+0x144/0x220 [ 3050.854901] ? perf_trace_run_bpf_submit+0x144/0x220 [ 3050.859994] ? perf_trace_lock+0x30f/0x4b0 [ 3050.864212] ? perf_trace_run_bpf_submit+0x144/0x220 [ 3050.869298] ? __lock_acquire+0x6de/0x3ff0 [ 3050.873529] ? check_preemption_disabled+0x41/0x280 [ 3050.878542] ? perf_trace_run_bpf_submit+0x144/0x220 [ 3050.883638] ? perf_trace_lock+0x30f/0x4b0 [ 3050.887877] ? mark_held_locks+0xf0/0xf0 [ 3050.891935] ? perf_trace_lock_acquire+0x530/0x530 [ 3050.896959] ? perf_trace_run_bpf_submit+0x144/0x220 [ 3050.902051] ? __lock_acquire+0x6de/0x3ff0 [ 3050.906272] ? check_preemption_disabled+0x41/0x280 [ 3050.911285] ? perf_trace_run_bpf_submit+0x144/0x220 [ 3050.916395] ? perf_trace_lock+0x30f/0x4b0 [ 3050.920621] ? _raw_spin_unlock_irq+0x24/0x80 [ 3050.925107] ? perf_trace_lock_acquire+0x530/0x530 [ 3050.930026] ? finish_task_switch+0x146/0x780 [ 3050.934571] ? finish_task_switch+0x118/0x780 [ 3050.939094] ? __mutex_add_waiter+0x160/0x160 [ 3050.943604] ? check_preemption_disabled+0x41/0x280 [ 3050.948633] ? rtnetlink_rcv_msg+0x3c3/0xb80 [ 3050.953166] ? rtnl_getlink+0x620/0x620 [ 3050.957128] rtnetlink_rcv_msg+0x453/0xb80 [ 3050.961375] ? rtnl_calcit.isra.0+0x430/0x430 [ 3050.965881] ? perf_trace_lock+0x30f/0x4b0 [ 3050.970105] ? netdev_pick_tx+0x2f0/0x2f0 [ 3050.974237] ? __copy_skb_header+0x414/0x500 [ 3050.978640] ? perf_trace_lock_acquire+0x530/0x530 [ 3050.983568] netlink_rcv_skb+0x160/0x440 [ 3050.987639] ? rtnl_calcit.isra.0+0x430/0x430 [ 3050.992129] ? netlink_ack+0xae0/0xae0 [ 3050.996019] netlink_unicast+0x4d5/0x690 [ 3051.000070] ? netlink_sendskb+0x110/0x110 [ 3051.004300] netlink_sendmsg+0x6bb/0xc40 [ 3051.008351] ? nlmsg_notify+0x1a0/0x1a0 [ 3051.012313] ? kernel_recvmsg+0x220/0x220 [ 3051.016461] ? nlmsg_notify+0x1a0/0x1a0 [ 3051.020441] sock_sendmsg+0xc3/0x120 [ 3051.024146] ___sys_sendmsg+0x7bb/0x8e0 [ 3051.028125] ? copy_msghdr_from_user+0x440/0x440 [ 3051.032875] ? __fget+0x32f/0x510 [ 3051.036318] ? lock_downgrade+0x720/0x720 [ 3051.040451] ? check_preemption_disabled+0x41/0x280 [ 3051.045454] ? check_preemption_disabled+0x41/0x280 [ 3051.050460] ? __fget+0x356/0x510 [ 3051.053903] ? do_dup2+0x450/0x450 [ 3051.057428] ? lock_downgrade+0x720/0x720 [ 3051.061571] ? vfs_write+0x3d7/0x540 [ 3051.065274] ? __fdget+0x1d0/0x230 [ 3051.068804] __x64_sys_sendmsg+0x132/0x220 [ 3051.073026] ? __sys_sendmsg+0x1b0/0x1b0 [ 3051.077071] ? vfs_write+0x393/0x540 [ 3051.080781] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 3051.085527] ? trace_hardirqs_off_caller+0x69/0x210 [ 3051.090531] ? do_syscall_64+0x21/0x620 [ 3051.094493] do_syscall_64+0xf9/0x620 [ 3051.098283] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 3051.103461] RIP: 0033:0x45c1d9 [ 3051.106639] Code: 8d b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 5b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 3051.125526] RSP: 002b:00007fc9a538ec78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 3051.133218] RAX: ffffffffffffffda RBX: 000000000002af00 RCX: 000000000045c1d9 13:40:00 executing program 0: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xe) ioctl$TIOCSETD(r0, 0x541b, &(0x7f0000000000)) 13:40:00 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa}]}, 0x28}}, 0x0) 13:40:00 executing program 4: openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(0xffffffffffffffff, 0x4020ae46, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000000000/0x18000)=nil, &(0x7f00000000c0)=[@text64={0x40, 0x0}], 0x1, 0x0, 0x0, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r4}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) sendmsg$nl_route(r0, 0x0, 0x0) [ 3051.140471] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003 [ 3051.147723] RBP: 00007fc9a538eca0 R08: 0000000000000000 R09: 0000000000000000 [ 3051.154975] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 3051.162237] R13: 00007ffc53db839f R14: 00007fc9a538f9c0 R15: 000000000078bfac 13:40:00 executing program 3: ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB='\x00\x00\x00\x00\x00\x00\x00\x00(\x00'], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x3f00, &(0x7f0000000200)={&(0x7f0000000640)=@newlink={0x20, 0x11, 0x40d, 0xa, 0x0, {0x5, 0x0, 0x0, r3}}, 0x20}, 0x1, 0x3f00}, 0x0) 13:40:00 executing program 1 (fault-call:6 fault-nth:6): r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) 13:40:00 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) r1 = open(&(0x7f0000000140)='./file0\x00', 0x40002, 0x8) sendfile(r1, 0xffffffffffffffff, 0x0, 0x2008000fffffffe) r2 = accept$inet6(r1, 0x0, &(0x7f0000000040)) getsockname$packet(0xffffffffffffffff, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xe) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)=ANY=[@ANYBLOB="662a38000000240007050000004007a2a300", @ANYRES32=r3, @ANYBLOB="000070d5fffffdff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000300)=ANY=[@ANYBLOB='h\x00\x00\x00,\x00\'\r\x00'/20, @ANYRES32=r3, @ANYBLOB], 0x68}}, 0x0) ioctl$sock_ipv6_tunnel_SIOCCHGPRL(r2, 0x89f7, &(0x7f0000000140)={'syztnl0\x00', &(0x7f00000000c0)={'ip6tnl0\x00', r3, 0x2f, 0x2, 0x0, 0x92e, 0x60, @empty, @local, 0x700, 0x7f31, 0xffff, 0xc8}}) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xe) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) 13:40:00 executing program 0: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xe) ioctl$TIOCSETD(r0, 0x541d, &(0x7f0000000000)) [ 3051.311259] batman_adv: batadv0: Adding interface: veth51 [ 3051.316856] batman_adv: batadv0: The MTU of interface veth51 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 13:40:00 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x201a00, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xb) r1 = dup(0xffffffffffffffff) ioctl$BLKIOMIN(r1, 0x1278, 0x0) write$P9_RSETATTR(r1, &(0x7f0000000180)={0x7}, 0x7) write$P9_RATTACH(r1, &(0x7f0000000100)={0xfffffffffffffd85, 0x69, 0x4001, {0x40, 0x2, 0x207}}, 0xd) ioctl$TIOCSETD(r1, 0x5412, &(0x7f0000000000)) 13:40:01 executing program 0: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xe) ioctl$TIOCSETD(r0, 0x541e, &(0x7f0000000000)) [ 3051.424637] batman_adv: batadv0: Not using interface veth51 (retrying later): interface not active 13:40:01 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040)='/dev/ptmx\x00', 0x400300, 0x0) ioctl$TIOCSETD(0xffffffffffffffff, 0x5423, &(0x7f0000000080)=0x15) ioctl$sock_kcm_SIOCKCMCLONE(0xffffffffffffffff, 0x89e2, &(0x7f00000000c0)={0xffffffffffffffff}) accept4$bt_l2cap(r1, &(0x7f0000000100), &(0x7f0000000140)=0xe, 0x80000) r2 = open(&(0x7f0000000140)='./file0\x00', 0x40002, 0x8) sendfile(r2, 0xffffffffffffffff, 0x0, 0x2008000fffffffe) ioctl$PPPIOCSNPMODE(r2, 0x4008744b, &(0x7f0000000180)={0x2b, 0x3}) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) 13:40:01 executing program 4: openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(0xffffffffffffffff, 0x4020ae46, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000000000/0x18000)=nil, &(0x7f00000000c0)=[@text64={0x40, 0x0}], 0x1, 0x0, 0x0, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r4}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, 0x0, 0x1, 0x3f00}, 0x0) 13:40:01 executing program 0: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xe) ioctl$TIOCSETD(r0, 0x5421, &(0x7f0000000000)) [ 3051.487159] FAULT_INJECTION: forcing a failure. [ 3051.487159] name failslab, interval 1, probability 0, space 0, times 0 [ 3051.542196] CPU: 1 PID: 10773 Comm: syz-executor.1 Not tainted 4.19.133-syzkaller #0 [ 3051.550104] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 3051.559455] Call Trace: [ 3051.562064] dump_stack+0x1fc/0x2fe [ 3051.565700] should_fail.cold+0xa/0x14 [ 3051.569712] ? setup_fault_attr+0x200/0x200 [ 3051.574052] ? lock_acquire+0x170/0x3c0 [ 3051.578040] __should_failslab+0x115/0x180 [ 3051.582276] should_failslab+0x5/0xf [ 3051.585992] kmem_cache_alloc+0x277/0x370 13:40:01 executing program 3: ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB='\x00\x00\x00\x00\x00\x00\x00\x00(\x00'], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x3f00, &(0x7f0000000200)={&(0x7f0000000640)=@newlink={0x20, 0x11, 0x40d, 0xa, 0x0, {0x5, 0x0, 0x0, r3}}, 0x20}, 0x1, 0x3f00}, 0x0) [ 3051.590146] __kernfs_new_node+0xd2/0x680 [ 3051.594310] ? kernfs_dop_revalidate+0x3a0/0x3a0 [ 3051.599080] ? perf_trace_lock_acquire+0x530/0x530 [ 3051.604023] ? wait_for_completion_io+0x10/0x10 [ 3051.608699] ? sysfs_do_create_link_sd+0x82/0x130 [ 3051.613553] kernfs_new_node+0x92/0x120 [ 3051.617535] kernfs_create_link+0xd1/0x228 [ 3051.621791] sysfs_do_create_link_sd+0x90/0x130 [ 3051.626455] sysfs_create_link+0x5f/0xc0 [ 3051.630502] __netdev_adjacent_dev_insert.part.0+0x1f2/0x7c0 [ 3051.636331] ? netdev_rx_csum_fault+0x30/0x30 [ 3051.640832] ? ip6_route_dev_notify+0xd7/0xcd0 [ 3051.645422] ? notifier_call_chain+0x1d5/0x230 [ 3051.650016] __netdev_upper_dev_link+0x521/0x980 [ 3051.654780] ? dev_get_by_name+0xe8/0x1b0 [ 3051.658930] ? __netdev_adjacent_dev_remove+0x520/0x520 [ 3051.664311] ? pipe_write+0xf41/0xf80 [ 3051.668117] ? check_preemption_disabled+0x41/0x280 [ 3051.673149] batadv_hardif_enable_interface+0x250/0xba0 [ 3051.678527] batadv_softif_slave_add+0x8a/0x100 [ 3051.683204] ? batadv_softif_slave_del+0xc0/0xc0 [ 3051.687965] do_set_master+0x1c8/0x220 [ 3051.691858] do_setlink+0x7ec/0x3540 [ 3051.695579] ? perf_swevent_event+0x6c/0x550 [ 3051.700071] ? tracing_generic_entry_update+0x191/0x200 [ 3051.705435] ? rtnl_fdb_add+0xa10/0xa10 [ 3051.709408] ? perf_tp_event+0x5f4/0xaa0 [ 3051.713476] ? perf_swevent_event+0x6c/0x550 [ 3051.717887] ? tracing_generic_entry_update+0x191/0x200 [ 3051.723337] ? check_preemption_disabled+0x41/0x280 [ 3051.728356] ? perf_tp_event+0x5f4/0xaa0 [ 3051.732426] ? perf_swevent_event+0x6c/0x550 [ 3051.736839] ? tracing_generic_entry_update+0x191/0x200 [ 3051.742212] ? __sanitizer_cov_trace_switch+0x4b/0x80 [ 3051.747414] ? validate_nla+0x270/0x820 [ 3051.751405] ? nla_parse+0x1b2/0x290 [ 3051.755124] rtnl_newlink+0xda0/0x15a0 [ 3051.759027] ? rtnl_getlink+0x620/0x620 [ 3051.763009] ? perf_swevent_event+0x550/0x550 [ 3051.767525] ? perf_trace_run_bpf_submit+0x144/0x220 [ 3051.772635] ? perf_trace_run_bpf_submit+0x144/0x220 [ 3051.777754] ? perf_trace_lock+0x30f/0x4b0 [ 3051.782003] ? perf_trace_run_bpf_submit+0x144/0x220 [ 3051.787110] ? __lock_acquire+0x6de/0x3ff0 [ 3051.791350] ? check_preemption_disabled+0x41/0x280 [ 3051.796366] ? perf_trace_run_bpf_submit+0x144/0x220 [ 3051.801482] ? perf_trace_lock+0x30f/0x4b0 [ 3051.805738] ? mark_held_locks+0xa6/0xf0 [ 3051.809799] ? perf_trace_lock_acquire+0x530/0x530 [ 3051.814736] ? perf_trace_run_bpf_submit+0x144/0x220 [ 3051.819840] ? __lock_acquire+0x6de/0x3ff0 [ 3051.824078] ? check_preemption_disabled+0x41/0x280 [ 3051.829111] ? perf_trace_run_bpf_submit+0x144/0x220 [ 3051.834225] ? perf_trace_lock+0x30f/0x4b0 [ 3051.838584] ? perf_trace_lock_acquire+0x530/0x530 [ 3051.843516] ? finish_task_switch+0x146/0x780 [ 3051.848015] ? finish_task_switch+0x118/0x780 [ 3051.852555] ? __mutex_add_waiter+0x160/0x160 [ 3051.857050] ? check_preemption_disabled+0x41/0x280 [ 3051.862071] ? rtnetlink_rcv_msg+0x3c3/0xb80 [ 3051.866519] ? rtnl_getlink+0x620/0x620 [ 3051.870490] rtnetlink_rcv_msg+0x453/0xb80 [ 3051.874724] ? rtnl_calcit.isra.0+0x430/0x430 [ 3051.879240] ? perf_trace_lock+0x30f/0x4b0 [ 3051.883493] ? netdev_pick_tx+0x2f0/0x2f0 [ 3051.887631] ? __copy_skb_header+0x414/0x500 [ 3051.892052] ? perf_trace_lock_acquire+0x530/0x530 [ 3051.896986] netlink_rcv_skb+0x160/0x440 [ 3051.901052] ? rtnl_calcit.isra.0+0x430/0x430 [ 3051.905559] ? netlink_ack+0xae0/0xae0 [ 3051.909880] netlink_unicast+0x4d5/0x690 [ 3051.913941] ? netlink_sendskb+0x110/0x110 [ 3051.918184] netlink_sendmsg+0x6bb/0xc40 [ 3051.922254] ? nlmsg_notify+0x1a0/0x1a0 [ 3051.926246] ? kernel_recvmsg+0x220/0x220 [ 3051.930407] ? nlmsg_notify+0x1a0/0x1a0 [ 3051.934386] sock_sendmsg+0xc3/0x120 [ 3051.938099] ___sys_sendmsg+0x7bb/0x8e0 [ 3051.942076] ? copy_msghdr_from_user+0x440/0x440 [ 3051.946835] ? __fget+0x32f/0x510 [ 3051.950299] ? lock_downgrade+0x720/0x720 [ 3051.954446] ? check_preemption_disabled+0x41/0x280 [ 3051.959512] ? check_preemption_disabled+0x41/0x280 [ 3051.964527] ? __fget+0x356/0x510 [ 3051.967981] ? do_dup2+0x450/0x450 [ 3051.971511] ? lock_downgrade+0x720/0x720 [ 3051.975660] ? vfs_write+0x3d7/0x540 [ 3051.979365] ? __fdget+0x1d0/0x230 [ 3051.982909] __x64_sys_sendmsg+0x132/0x220 [ 3051.987135] ? __sys_sendmsg+0x1b0/0x1b0 [ 3051.991189] ? vfs_write+0x393/0x540 [ 3051.994930] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 3051.999677] ? trace_hardirqs_off_caller+0x69/0x210 [ 3052.004689] ? do_syscall_64+0x21/0x620 [ 3052.008670] do_syscall_64+0xf9/0x620 [ 3052.012471] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 3052.017652] RIP: 0033:0x45c1d9 [ 3052.020831] Code: 8d b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 5b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 13:40:01 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa}]}, 0x28}}, 0x0) 13:40:01 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xe) r1 = open(&(0x7f0000000140)='./file0\x00', 0x40002, 0x8) sendfile(r1, 0xffffffffffffffff, 0x0, 0x2008000fffffffe) ioctl$TIOCSCTTY(r1, 0x540e, 0x70) getsockname$packet(0xffffffffffffffff, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xe) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)=ANY=[@ANYBLOB="662a38000000240007050000004007a2a300", @ANYRES32=r2, @ANYBLOB="000070d5fffffdff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000300)=ANY=[@ANYBLOB='h\x00\x00\x00,\x00\'\r\x00'/20, @ANYRES32=r2, @ANYBLOB], 0x68}}, 0x0) bind$packet(r1, &(0x7f0000000040)={0x11, 0xf7, r2, 0x1, 0x3, 0x6, @multicast}, 0x14) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) 13:40:01 executing program 0: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xe) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000000)) [ 3052.039723] RSP: 002b:00007fc9a538ec78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 3052.047417] RAX: ffffffffffffffda RBX: 000000000002af00 RCX: 000000000045c1d9 [ 3052.054674] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003 [ 3052.061958] RBP: 00007fc9a538eca0 R08: 0000000000000000 R09: 0000000000000000 [ 3052.069221] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000006 [ 3052.076504] R13: 00007ffc53db839f R14: 00007fc9a538f9c0 R15: 000000000078bfac [ 3052.105038] nla_parse: 22 callbacks suppressed [ 3052.105050] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 13:40:01 executing program 1 (fault-call:6 fault-nth:7): r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) 13:40:01 executing program 0: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xe) ioctl$TIOCSETD(r0, 0x5424, &(0x7f0000000000)) 13:40:01 executing program 3: ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB='\x00\x00\x00\x00\x00\x00\x00\x00(\x00'], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x3f00, &(0x7f0000000200)={&(0x7f0000000640)=@newlink={0x20, 0x11, 0x40d, 0xa, 0x0, {0x5, 0x0, 0x0, r3}}, 0x20}, 0x1, 0x3f00}, 0x0) 13:40:01 executing program 2: openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) r0 = open(&(0x7f0000000140)='./file0\x00', 0x40002, 0x8) sendfile(r0, 0xffffffffffffffff, 0x0, 0x2008000fffffffe) ioctl$KDGKBENT(r0, 0x4b46, &(0x7f0000000040)={0xff, 0x3f, 0x101}) r1 = open(&(0x7f0000000140)='./file0\x00', 0x40002, 0x8) sendfile(r1, 0xffffffffffffffff, 0x0, 0x2008000fffffffe) r2 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/btrfs-control\x00', 0x4000, 0x0) ioctl$TIOCSETD(r2, 0x5423, &(0x7f0000000080)=0x13) r3 = open(&(0x7f0000000140)='./file0\x00', 0x40002, 0x8) sendfile(r3, 0xffffffffffffffff, 0x0, 0x2008000fffffffe) ioctl$TIOCSETD(r3, 0x5412, &(0x7f0000000000)=0xa) [ 3052.232522] batman_adv: batadv0: Adding interface: veth53 [ 3052.238230] batman_adv: batadv0: The MTU of interface veth53 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 3052.267649] batman_adv: batadv0: Not using interface veth53 (retrying later): interface not active 13:40:01 executing program 0: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xe) ioctl$TIOCSETD(r0, 0x5425, &(0x7f0000000000)) [ 3052.290975] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 13:40:01 executing program 4: openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(0xffffffffffffffff, 0x4020ae46, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000000000/0x18000)=nil, &(0x7f00000000c0)=[@text64={0x40, 0x0}], 0x1, 0x0, 0x0, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r4}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, 0x0, 0x1, 0x3f00}, 0x0) 13:40:01 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xe) r1 = open(&(0x7f0000000140)='./file0\x00', 0x4582, 0x8) sendfile(r1, 0xffffffffffffffff, 0x0, 0x2008000fffffffe) write$binfmt_script(r1, &(0x7f00000000c0)={'#! ', './file0', [{0x20, '/dev/ptmx\x00'}, {0x20, '/dev/ptmx\x00'}, {0x20, '/dev/ptmx\x00'}, {}, {0x20, '\\\'\x19'}], 0xa, "f48e5b3c84a1241be33577ca9b83dd2bf73b5c5aabc9b8c866c4"}, 0x4b) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)=0x2000000) 13:40:02 executing program 0: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xe) ioctl$TIOCSETD(r0, 0x5427, &(0x7f0000000000)) [ 3052.384988] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. 13:40:02 executing program 3: ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c0001"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x3f00, &(0x7f0000000200)={&(0x7f0000000640)=@newlink={0x20, 0x11, 0x40d, 0xa, 0x0, {0x5, 0x0, 0x0, r3}}, 0x20}, 0x1, 0x3f00}, 0x0) [ 3052.442195] FAULT_INJECTION: forcing a failure. [ 3052.442195] name failslab, interval 1, probability 0, space 0, times 0 13:40:02 executing program 5: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xe) ioctl$TIOCSETD(r0, 0x541b, &(0x7f0000000000)) 13:40:02 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xe) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) r1 = syz_open_dev$ptys(0xc, 0x3, 0x0) ioctl$KDSKBMETA(r1, 0x4b63, &(0x7f0000000040)=0x4) [ 3052.488198] CPU: 0 PID: 10818 Comm: syz-executor.1 Not tainted 4.19.133-syzkaller #0 [ 3052.496113] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 3052.505476] Call Trace: [ 3052.508094] dump_stack+0x1fc/0x2fe [ 3052.511753] should_fail.cold+0xa/0x14 [ 3052.515661] ? setup_fault_attr+0x200/0x200 [ 3052.519993] ? lock_acquire+0x170/0x3c0 [ 3052.523994] __should_failslab+0x115/0x180 [ 3052.528242] should_failslab+0x5/0xf [ 3052.532062] kmem_cache_alloc_trace+0x284/0x380 [ 3052.536767] __netdev_adjacent_dev_insert.part.0+0xac/0x7c0 [ 3052.542499] ? netdev_rx_csum_fault+0x30/0x30 [ 3052.547033] ? ip6_route_dev_notify+0xd7/0xcd0 [ 3052.551635] ? notifier_call_chain+0x1d5/0x230 [ 3052.556243] __netdev_upper_dev_link+0x828/0x980 [ 3052.561019] ? __netdev_adjacent_dev_remove+0x520/0x520 [ 3052.566413] ? pipe_write+0xf41/0xf80 [ 3052.570307] ? check_preemption_disabled+0x41/0x280 [ 3052.575369] batadv_hardif_enable_interface+0x250/0xba0 [ 3052.580758] batadv_softif_slave_add+0x8a/0x100 [ 3052.585444] ? batadv_softif_slave_del+0xc0/0xc0 [ 3052.590206] do_set_master+0x1c8/0x220 [ 3052.594108] do_setlink+0x7ec/0x3540 [ 3052.597850] ? perf_swevent_event+0x6c/0x550 [ 3052.602268] ? tracing_generic_entry_update+0x191/0x200 [ 3052.607648] ? rtnl_fdb_add+0xa10/0xa10 [ 3052.611637] ? perf_tp_event+0x5f4/0xaa0 [ 3052.615717] ? perf_swevent_event+0x6c/0x550 [ 3052.620131] ? tracing_generic_entry_update+0x191/0x200 [ 3052.625506] ? check_preemption_disabled+0x41/0x280 [ 3052.630539] ? perf_tp_event+0x5f4/0xaa0 [ 3052.634613] ? perf_swevent_event+0x6c/0x550 [ 3052.639042] ? tracing_generic_entry_update+0x191/0x200 [ 3052.644420] ? __sanitizer_cov_trace_switch+0x4b/0x80 [ 3052.649626] ? validate_nla+0x270/0x820 [ 3052.653623] ? nla_parse+0x1b2/0x290 [ 3052.657368] rtnl_newlink+0xda0/0x15a0 [ 3052.661286] ? rtnl_getlink+0x620/0x620 [ 3052.665282] ? perf_swevent_event+0x550/0x550 [ 3052.669811] ? perf_trace_run_bpf_submit+0x144/0x220 [ 3052.674922] ? perf_trace_run_bpf_submit+0x144/0x220 [ 3052.680067] ? perf_trace_lock+0x30f/0x4b0 [ 3052.684324] ? perf_trace_run_bpf_submit+0x144/0x220 [ 3052.689442] ? __lock_acquire+0x6de/0x3ff0 [ 3052.693699] ? check_preemption_disabled+0x41/0x280 [ 3052.698731] ? perf_trace_run_bpf_submit+0x144/0x220 [ 3052.703860] ? perf_trace_lock+0x30f/0x4b0 [ 3052.708114] ? mark_held_locks+0xf0/0xf0 [ 3052.712192] ? perf_trace_lock_acquire+0x530/0x530 [ 3052.717141] ? perf_trace_run_bpf_submit+0x144/0x220 [ 3052.722320] ? __lock_acquire+0x6de/0x3ff0 [ 3052.726585] ? check_preemption_disabled+0x41/0x280 [ 3052.731618] ? perf_trace_run_bpf_submit+0x144/0x220 [ 3052.736742] ? perf_trace_lock+0x30f/0x4b0 [ 3052.740988] ? _raw_spin_unlock_irq+0x24/0x80 [ 3052.745501] ? perf_trace_lock_acquire+0x530/0x530 [ 3052.750458] ? finish_task_switch+0x1db/0x780 [ 3052.755125] ? __mutex_add_waiter+0x160/0x160 [ 3052.759648] ? check_preemption_disabled+0x41/0x280 [ 3052.764694] ? rtnetlink_rcv_msg+0x3c3/0xb80 [ 3052.769143] ? rtnl_getlink+0x620/0x620 [ 3052.773138] rtnetlink_rcv_msg+0x453/0xb80 [ 3052.777396] ? rtnl_calcit.isra.0+0x430/0x430 [ 3052.781904] ? perf_trace_lock+0x30f/0x4b0 [ 3052.786151] ? netdev_pick_tx+0x2f0/0x2f0 [ 3052.790314] ? __copy_skb_header+0x414/0x500 [ 3052.794743] ? perf_trace_lock_acquire+0x530/0x530 [ 3052.799697] netlink_rcv_skb+0x160/0x440 [ 3052.803768] ? rtnl_calcit.isra.0+0x430/0x430 [ 3052.808271] ? netlink_ack+0xae0/0xae0 [ 3052.812192] netlink_unicast+0x4d5/0x690 [ 3052.816281] ? netlink_sendskb+0x110/0x110 [ 3052.820564] netlink_sendmsg+0x6bb/0xc40 [ 3052.824650] ? nlmsg_notify+0x1a0/0x1a0 [ 3052.828632] ? kernel_recvmsg+0x220/0x220 [ 3052.832807] ? nlmsg_notify+0x1a0/0x1a0 [ 3052.836797] sock_sendmsg+0xc3/0x120 [ 3052.840526] ___sys_sendmsg+0x7bb/0x8e0 [ 3052.844522] ? copy_msghdr_from_user+0x440/0x440 [ 3052.849296] ? __fget+0x32f/0x510 [ 3052.852788] ? lock_downgrade+0x720/0x720 [ 3052.856952] ? check_preemption_disabled+0x41/0x280 [ 3052.861977] ? check_preemption_disabled+0x41/0x280 [ 3052.867011] ? __fget+0x356/0x510 [ 3052.870484] ? do_dup2+0x450/0x450 [ 3052.874034] ? lock_downgrade+0x720/0x720 [ 3052.878195] ? vfs_write+0x3d7/0x540 [ 3052.881934] ? __fdget+0x1d0/0x230 [ 3052.885497] __x64_sys_sendmsg+0x132/0x220 [ 3052.889744] ? __sys_sendmsg+0x1b0/0x1b0 [ 3052.893815] ? vfs_write+0x393/0x540 [ 3052.897561] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 3052.902324] ? trace_hardirqs_off_caller+0x69/0x210 [ 3052.907355] ? do_syscall_64+0x21/0x620 [ 3052.911346] do_syscall_64+0xf9/0x620 [ 3052.915163] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 3052.920366] RIP: 0033:0x45c1d9 [ 3052.923569] Code: 8d b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 5b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 3052.942476] RSP: 002b:00007fc9a538ec78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 3052.950215] RAX: ffffffffffffffda RBX: 000000000002af00 RCX: 000000000045c1d9 [ 3052.957496] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003 [ 3052.964788] RBP: 00007fc9a538eca0 R08: 0000000000000000 R09: 0000000000000000 [ 3052.972067] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000007 [ 3052.979345] R13: 00007ffc53db839f R14: 00007fc9a538f9c0 R15: 000000000078bfac 13:40:02 executing program 0: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xe) ioctl$TIOCSETD(r0, 0x5428, &(0x7f0000000000)) [ 3053.144869] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 13:40:02 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) 13:40:02 executing program 5: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xe) ioctl$TIOCSETD(r0, 0x541b, &(0x7f0000000000)) 13:40:02 executing program 0: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xe) ioctl$TIOCSETD(r0, 0x5437, &(0x7f0000000000)) [ 3053.199551] batman_adv: batadv0: Adding interface: veth55 [ 3053.205903] batman_adv: batadv0: The MTU of interface veth55 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 3053.289647] batman_adv: batadv0: Not using interface veth55 (retrying later): interface not active [ 3053.308776] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. 13:40:02 executing program 0: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xe) ioctl$TIOCSETD(r0, 0x5441, &(0x7f0000000000)) 13:40:02 executing program 5: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xe) ioctl$TIOCSETD(r0, 0x5437, &(0x7f0000000000)) [ 3053.332541] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. 13:40:03 executing program 4: openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(0xffffffffffffffff, 0x4020ae46, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000000000/0x18000)=nil, &(0x7f00000000c0)=[@text64={0x40, 0x0}], 0x1, 0x0, 0x0, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r4}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, 0x0, 0x1, 0x3f00}, 0x0) 13:40:03 executing program 3: ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c0001"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x3f00, &(0x7f0000000200)={&(0x7f0000000640)=@newlink={0x20, 0x11, 0x40d, 0xa, 0x0, {0x5, 0x0, 0x0, r3}}, 0x20}, 0x1, 0x3f00}, 0x0) 13:40:03 executing program 0: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xe) ioctl$TIOCSETD(r0, 0x5450, &(0x7f0000000000)) [ 3053.465357] batman_adv: batadv0: Adding interface: veth111 [ 3053.471405] batman_adv: batadv0: The MTU of interface veth111 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 13:40:03 executing program 5 (fault-call:6 fault-nth:0): r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) [ 3053.525423] batman_adv: batadv0: Not using interface veth111 (retrying later): interface not active 13:40:03 executing program 0: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xe) ioctl$TIOCSETD(r0, 0x5451, &(0x7f0000000000)) [ 3053.576731] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. [ 3053.600473] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 13:40:03 executing program 3: ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c0001"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x3f00, &(0x7f0000000200)={&(0x7f0000000640)=@newlink={0x20, 0x11, 0x40d, 0xa, 0x0, {0x5, 0x0, 0x0, r3}}, 0x20}, 0x1, 0x3f00}, 0x0) [ 3053.661437] batman_adv: batadv0: Adding interface: veth57 [ 3053.674579] batman_adv: batadv0: The MTU of interface veth57 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 13:40:03 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) [ 3053.716119] FAULT_INJECTION: forcing a failure. [ 3053.716119] name failslab, interval 1, probability 0, space 0, times 0 [ 3053.758549] batman_adv: batadv0: Not using interface veth57 (retrying later): interface not active [ 3053.765815] CPU: 1 PID: 10894 Comm: syz-executor.5 Not tainted 4.19.133-syzkaller #0 [ 3053.775694] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 3053.785040] Call Trace: [ 3053.787633] dump_stack+0x1fc/0x2fe [ 3053.791293] should_fail.cold+0xa/0x14 [ 3053.795190] ? setup_fault_attr+0x200/0x200 [ 3053.799601] ? lock_acquire+0x170/0x3c0 [ 3053.803585] __should_failslab+0x115/0x180 [ 3053.807827] should_failslab+0x5/0xf [ 3053.811553] kmem_cache_alloc_node+0x245/0x3b0 [ 3053.816152] __alloc_skb+0x71/0x560 [ 3053.819785] netlink_sendmsg+0x9ee/0xc40 [ 3053.823855] ? nlmsg_notify+0x1a0/0x1a0 [ 3053.827826] ? kernel_recvmsg+0x220/0x220 [ 3053.831985] ? nlmsg_notify+0x1a0/0x1a0 [ 3053.835966] sock_sendmsg+0xc3/0x120 [ 3053.839680] ___sys_sendmsg+0x7bb/0x8e0 [ 3053.843658] ? check_preemption_disabled+0x41/0x280 [ 3053.848681] ? copy_msghdr_from_user+0x440/0x440 [ 3053.853443] ? __fget+0x32f/0x510 [ 3053.856903] ? lock_downgrade+0x720/0x720 [ 3053.861052] ? check_preemption_disabled+0x41/0x280 [ 3053.866074] ? check_preemption_disabled+0x41/0x280 [ 3053.871098] ? __fget+0x356/0x510 [ 3053.874558] ? do_dup2+0x450/0x450 [ 3053.878097] ? lock_downgrade+0x720/0x720 [ 3053.882258] ? vfs_write+0x3d7/0x540 [ 3053.885981] ? __fdget+0x1d0/0x230 [ 3053.889530] __x64_sys_sendmsg+0x132/0x220 [ 3053.893784] ? __sys_sendmsg+0x1b0/0x1b0 [ 3053.897849] ? vfs_write+0x393/0x540 [ 3053.901584] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 3053.906343] ? trace_hardirqs_off_caller+0x69/0x210 [ 3053.911363] ? do_syscall_64+0x21/0x620 [ 3053.915355] do_syscall_64+0xf9/0x620 [ 3053.919168] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 3053.924357] RIP: 0033:0x45c1d9 [ 3053.927550] Code: 8d b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 5b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 3053.933895] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 13:40:03 executing program 0: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xe) ioctl$TIOCSETD(r0, 0x5452, &(0x7f0000000000)) [ 3053.946442] RSP: 002b:00007fd61aaaec78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 3053.946457] RAX: ffffffffffffffda RBX: 000000000002af00 RCX: 000000000045c1d9 [ 3053.946482] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003 [ 3053.946490] RBP: 00007fd61aaaeca0 R08: 0000000000000000 R09: 0000000000000000 [ 3053.946498] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 3053.946506] R13: 00007fff9e8c3a9f R14: 00007fd61aaaf9c0 R15: 000000000078bfac 13:40:03 executing program 4: openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(0xffffffffffffffff, 0x4020ae46, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000000000/0x18000)=nil, &(0x7f00000000c0)=[@text64={0x40, 0x0}], 0x1, 0x0, 0x0, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r4}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000200)={0x0}, 0x1, 0x3f00}, 0x0) 13:40:03 executing program 0: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xe) ioctl$TIOCSETD(r0, 0x545d, &(0x7f0000000000)) 13:40:03 executing program 0: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xe) ioctl$TIOCSETD(r0, 0x5460, &(0x7f0000000000)) [ 3054.257602] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. [ 3054.332415] batman_adv: batadv0: Adding interface: veth113 [ 3054.338085] batman_adv: batadv0: The MTU of interface veth113 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 13:40:04 executing program 5 (fault-call:6 fault-nth:1): r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) 13:40:04 executing program 3: ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c0001007665"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x3f00, &(0x7f0000000200)={&(0x7f0000000640)=@newlink={0x20, 0x11, 0x40d, 0xa, 0x0, {0x5, 0x0, 0x0, r3}}, 0x20}, 0x1, 0x3f00}, 0x0) 13:40:04 executing program 0: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xe) ioctl$TIOCSETD(r0, 0x40049409, &(0x7f0000000000)) [ 3054.457249] batman_adv: batadv0: Not using interface veth113 (retrying later): interface not active [ 3054.520006] batman_adv: batadv0: Adding interface: veth59 [ 3054.532728] batman_adv: batadv0: The MTU of interface veth59 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 3054.534813] FAULT_INJECTION: forcing a failure. [ 3054.534813] name failslab, interval 1, probability 0, space 0, times 0 13:40:04 executing program 0: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xe) ioctl$TIOCSETD(r0, 0x40086602, &(0x7f0000000000)) [ 3054.641254] batman_adv: batadv0: Not using interface veth59 (retrying later): interface not active [ 3054.665323] CPU: 1 PID: 10935 Comm: syz-executor.5 Not tainted 4.19.133-syzkaller #0 [ 3054.673235] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 3054.682676] Call Trace: [ 3054.685270] dump_stack+0x1fc/0x2fe [ 3054.688912] should_fail.cold+0xa/0x14 [ 3054.692814] ? setup_fault_attr+0x200/0x200 [ 3054.697146] ? lock_acquire+0x170/0x3c0 [ 3054.701150] __should_failslab+0x115/0x180 [ 3054.705427] should_failslab+0x5/0xf [ 3054.709146] kmem_cache_alloc_node_trace+0x244/0x3b0 [ 3054.714257] __kmalloc_node_track_caller+0x38/0x70 [ 3054.719303] __alloc_skb+0xae/0x560 [ 3054.722937] netlink_sendmsg+0x9ee/0xc40 [ 3054.727009] ? nlmsg_notify+0x1a0/0x1a0 [ 3054.730988] ? kernel_recvmsg+0x220/0x220 [ 3054.735151] ? nlmsg_notify+0x1a0/0x1a0 [ 3054.739131] sock_sendmsg+0xc3/0x120 [ 3054.742851] ___sys_sendmsg+0x7bb/0x8e0 [ 3054.746919] ? check_preemption_disabled+0x41/0x280 [ 3054.751944] ? copy_msghdr_from_user+0x440/0x440 [ 3054.756711] ? __fget+0x32f/0x510 [ 3054.760177] ? lock_downgrade+0x720/0x720 [ 3054.764331] ? check_preemption_disabled+0x41/0x280 [ 3054.769371] ? check_preemption_disabled+0x41/0x280 [ 3054.774397] ? __fget+0x356/0x510 [ 3054.777862] ? do_dup2+0x450/0x450 [ 3054.781406] ? lock_downgrade+0x720/0x720 [ 3054.785561] ? vfs_write+0x3d7/0x540 [ 3054.789303] ? __fdget+0x1d0/0x230 [ 3054.792859] __x64_sys_sendmsg+0x132/0x220 [ 3054.797098] ? __sys_sendmsg+0x1b0/0x1b0 [ 3054.801159] ? vfs_write+0x393/0x540 [ 3054.804888] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 3054.809647] ? trace_hardirqs_off_caller+0x69/0x210 [ 3054.814677] ? do_syscall_64+0x21/0x620 [ 3054.818659] do_syscall_64+0xf9/0x620 [ 3054.822476] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 3054.827667] RIP: 0033:0x45c1d9 [ 3054.830872] Code: 8d b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 5b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 3054.849773] RSP: 002b:00007fd61aaaec78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 3054.857479] RAX: ffffffffffffffda RBX: 000000000002af00 RCX: 000000000045c1d9 [ 3054.864742] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003 [ 3054.872002] RBP: 00007fd61aaaeca0 R08: 0000000000000000 R09: 0000000000000000 [ 3054.879261] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 13:40:04 executing program 4: openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(0xffffffffffffffff, 0x4020ae46, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000000000/0x18000)=nil, &(0x7f00000000c0)=[@text64={0x40, 0x0}], 0x1, 0x0, 0x0, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r4}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000200)={0x0}, 0x1, 0x3f00}, 0x0) 13:40:04 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x2, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) [ 3054.886533] R13: 00007fff9e8c3a9f R14: 00007fd61aaaf9c0 R15: 000000000078bfac 13:40:04 executing program 3: ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c0001007665"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x3f00, &(0x7f0000000200)={&(0x7f0000000640)=@newlink={0x20, 0x11, 0x40d, 0xa, 0x0, {0x5, 0x0, 0x0, r3}}, 0x20}, 0x1, 0x3f00}, 0x0) [ 3054.967438] batman_adv: batadv0: Adding interface: veth61 [ 3054.982914] batman_adv: batadv0: The MTU of interface veth61 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 13:40:04 executing program 0: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xe) ioctl$TIOCSETD(r0, 0x40087602, &(0x7f0000000000)) [ 3055.016270] batman_adv: batadv0: Not using interface veth61 (retrying later): interface not active 13:40:04 executing program 4: openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(0xffffffffffffffff, 0x4020ae46, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000000000/0x18000)=nil, &(0x7f00000000c0)=[@text64={0x40, 0x0}], 0x1, 0x0, 0x0, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r4}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000200)={0x0}, 0x1, 0x3f00}, 0x0) [ 3055.058113] batman_adv: batadv0: Adding interface: veth115 [ 3055.071904] batman_adv: batadv0: The MTU of interface veth115 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 13:40:04 executing program 0: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xe) ioctl$TIOCSETD(r0, 0x4020940d, &(0x7f0000000000)) 13:40:04 executing program 3: ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c0001007665"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x3f00, &(0x7f0000000200)={&(0x7f0000000640)=@newlink={0x20, 0x11, 0x40d, 0xa, 0x0, {0x5, 0x0, 0x0, r3}}, 0x20}, 0x1, 0x3f00}, 0x0) [ 3055.157067] batman_adv: batadv0: Not using interface veth115 (retrying later): interface not active 13:40:04 executing program 5 (fault-call:6 fault-nth:2): r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) 13:40:04 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x3, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) [ 3055.255623] batman_adv: batadv0: Adding interface: veth63 [ 3055.267525] batman_adv: batadv0: The MTU of interface veth63 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 13:40:04 executing program 0: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xe) ioctl$TIOCSETD(r0, 0x80045432, &(0x7f0000000000)) [ 3055.350472] batman_adv: batadv0: Not using interface veth63 (retrying later): interface not active [ 3055.368139] FAULT_INJECTION: forcing a failure. [ 3055.368139] name failslab, interval 1, probability 0, space 0, times 0 [ 3055.422188] batman_adv: batadv0: Adding interface: veth119 [ 3055.438219] CPU: 0 PID: 10987 Comm: syz-executor.5 Not tainted 4.19.133-syzkaller #0 [ 3055.446149] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 3055.448157] batman_adv: batadv0: The MTU of interface veth119 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 3055.455595] Call Trace: [ 3055.455625] dump_stack+0x1fc/0x2fe [ 3055.455654] should_fail.cold+0xa/0x14 [ 3055.455677] ? setup_fault_attr+0x200/0x200 [ 3055.455696] ? perf_trace_lock_acquire+0x530/0x530 [ 3055.499544] ? lock_downgrade+0x720/0x720 [ 3055.503707] ? check_preemption_disabled+0x41/0x280 [ 3055.508744] __should_failslab+0x115/0x180 [ 3055.512989] should_failslab+0x5/0xf [ 3055.516741] kmem_cache_alloc+0x3f/0x370 [ 3055.520812] batman_adv: batadv0: Not using interface veth119 (retrying later): interface not active [ 3055.520826] skb_clone+0x151/0x3d0 [ 3055.520850] netlink_deliver_tap+0x955/0xb00 [ 3055.537976] netlink_unicast+0x545/0x690 [ 3055.542061] ? netlink_sendskb+0x110/0x110 [ 3055.546326] netlink_sendmsg+0x6bb/0xc40 [ 3055.550412] ? nlmsg_notify+0x1a0/0x1a0 [ 3055.554395] ? kernel_recvmsg+0x220/0x220 [ 3055.558568] ? nlmsg_notify+0x1a0/0x1a0 [ 3055.562561] sock_sendmsg+0xc3/0x120 [ 3055.566295] ___sys_sendmsg+0x7bb/0x8e0 [ 3055.570301] ? copy_msghdr_from_user+0x440/0x440 [ 3055.575074] ? __fget+0x32f/0x510 [ 3055.578545] ? lock_downgrade+0x720/0x720 [ 3055.582713] ? check_preemption_disabled+0x41/0x280 [ 3055.587744] ? check_preemption_disabled+0x41/0x280 [ 3055.592782] ? __fget+0x356/0x510 [ 3055.596276] ? do_dup2+0x450/0x450 [ 3055.599824] ? lock_downgrade+0x720/0x720 [ 3055.603989] ? vfs_write+0x3d7/0x540 [ 3055.607722] ? __fdget+0x1d0/0x230 [ 3055.611279] __x64_sys_sendmsg+0x132/0x220 [ 3055.615522] ? __sys_sendmsg+0x1b0/0x1b0 [ 3055.619593] ? vfs_write+0x393/0x540 [ 3055.623340] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 3055.628123] ? trace_hardirqs_off_caller+0x69/0x210 [ 3055.633151] ? do_syscall_64+0x21/0x620 [ 3055.637147] do_syscall_64+0xf9/0x620 [ 3055.640981] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 3055.646173] RIP: 0033:0x45c1d9 [ 3055.649373] Code: 8d b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 5b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 13:40:05 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x4, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) 13:40:05 executing program 4: openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(0xffffffffffffffff, 0x4020ae46, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000000000/0x18000)=nil, &(0x7f00000000c0)=[@text64={0x40, 0x0}], 0x1, 0x0, 0x0, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r4}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x3f00, &(0x7f0000000200)={&(0x7f0000000640)=@newlink={0x20, 0x11, 0x0, 0xa, 0x0, {0x5, 0x0, 0x0, r4}}, 0x20}, 0x1, 0x3f00}, 0x0) 13:40:05 executing program 0: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xe) ioctl$TIOCSETD(r0, 0x80045440, &(0x7f0000000000)) [ 3055.668278] RSP: 002b:00007fd61aaaec78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 3055.675991] RAX: ffffffffffffffda RBX: 000000000002af00 RCX: 000000000045c1d9 [ 3055.683266] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003 [ 3055.690544] RBP: 00007fd61aaaeca0 R08: 0000000000000000 R09: 0000000000000000 [ 3055.697943] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 3055.705216] R13: 00007fff9e8c3a9f R14: 00007fd61aaaf9c0 R15: 000000000078bfac 13:40:05 executing program 3: ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c000100766574"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x3f00, &(0x7f0000000200)={&(0x7f0000000640)=@newlink={0x20, 0x11, 0x40d, 0xa, 0x0, {0x5, 0x0, 0x0, r3}}, 0x20}, 0x1, 0x3f00}, 0x0) 13:40:05 executing program 0: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xe) ioctl$TIOCSETD(r0, 0x80086601, &(0x7f0000000000)) [ 3055.830258] batman_adv: batadv0: Adding interface: veth65 [ 3055.839440] batman_adv: batadv0: The MTU of interface veth65 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 13:40:05 executing program 0: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xe) ioctl$TIOCSETD(r0, 0x80087601, &(0x7f0000000000)) [ 3055.930762] batman_adv: batadv0: Not using interface veth65 (retrying later): interface not active [ 3055.967660] batman_adv: batadv0: Adding interface: veth121 [ 3055.973532] batman_adv: batadv0: The MTU of interface veth121 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 3056.004927] batman_adv: batadv0: Not using interface veth121 (retrying later): interface not active 13:40:05 executing program 0: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xe) ioctl$TIOCSETD(r0, 0xc0045878, &(0x7f0000000000)) 13:40:05 executing program 4: openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(0xffffffffffffffff, 0x4020ae46, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000000000/0x18000)=nil, &(0x7f00000000c0)=[@text64={0x40, 0x0}], 0x1, 0x0, 0x0, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r4}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x3f00, &(0x7f0000000200)={&(0x7f0000000640)=@newlink={0x20, 0x11, 0x0, 0xa, 0x0, {0x5, 0x0, 0x0, r4}}, 0x20}, 0x1, 0x3f00}, 0x0) [ 3056.043871] batman_adv: batadv0: Adding interface: veth101 [ 3056.049694] batman_adv: batadv0: The MTU of interface veth101 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 13:40:05 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) [ 3056.122127] batman_adv: batadv0: Not using interface veth101 (retrying later): interface not active 13:40:05 executing program 3: ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c000100766574"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x3f00, &(0x7f0000000200)={&(0x7f0000000640)=@newlink={0x20, 0x11, 0x40d, 0xa, 0x0, {0x5, 0x0, 0x0, r3}}, 0x20}, 0x1, 0x3f00}, 0x0) 13:40:05 executing program 0: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xe) ioctl$TIOCSETD(r0, 0xc0045878, &(0x7f0000000000)) 13:40:05 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x5, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) 13:40:05 executing program 2: r0 = syz_genetlink_get_family_id$netlbl_cipso(&(0x7f00000001c0)='NLBL_CIPSOv4\x00') sendmsg$NLBL_CIPSOV4_C_REMOVE(0xffffffffffffffff, &(0x7f0000000380)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x100000}, 0xc, &(0x7f0000000340)={&(0x7f0000000200)={0x140, r0, 0x800, 0x70bd27, 0x25dfdbfc, {}, [@NLBL_CIPSOV4_A_MTYPE={0x8, 0x2, 0x3}, @NLBL_CIPSOV4_A_MLSCATLST={0x11c, 0xc, 0x0, 0x1, [{0x14, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x46f6}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0xd0193d1}]}, {0x14, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xbc5c}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x24aa5558}]}, {0x3c, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x678afe12}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xa004}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x90a6}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0xa5fa93d}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x68437e49}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x836c}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x31db}]}, {0x34, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x5c2abbed}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x1fe9}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x9587}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xe270}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x5f02275c}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x4b4f}]}, {0x3c, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x43338abf}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x248bf9b4}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xc3c8}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0xb5ec}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x3cabf2cc}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x5d7a61fa}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x72b1}]}, {0x44, 0xb, 0x0, 0x1, [@NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x64d2}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x642586b3}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x80a4}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x87193e2}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x5eefafe8}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x2c5e4099}, @NLBL_CIPSOV4_A_MLSCATREM={0x8, 0xa, 0x2a2e}, @NLBL_CIPSOV4_A_MLSCATLOC={0x8, 0x9, 0x2a9e848f}]}]}, @NLBL_CIPSOV4_A_MTYPE={0x8, 0x2, 0x94830abb12834aa7}]}, 0x140}, 0x1, 0x0, 0x0, 0x4000c90}, 0x2000c844) r1 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r1, 0x5423, &(0x7f0000000080)=0xe) r2 = open(&(0x7f0000000140)='./file0\x00', 0x40002, 0x8) sendmsg$TIPC_CMD_RESET_LINK_STATS(r2, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x28, 0x0, 0x400, 0x70bd2c, 0x25dfdbff, {{}, {}, {0xc, 0x14, 'syz0\x00'}}, ["", ""]}, 0x28}, 0x1, 0x0, 0x0, 0x4000}, 0x40011) ioctl$TIOCSETD(r1, 0x5412, &(0x7f0000000000)) r3 = syz_open_dev$vcsa(&(0x7f00000003c0)='/dev/vcsa#\x00', 0x4, 0x400000) sendmsg$TIPC_NL_NET_GET(r3, &(0x7f0000000500)={&(0x7f0000000400)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f00000004c0)={&(0x7f0000000440)=ANY=[@ANYBLOB="4cdc0800", @ANYRES16=0x0, @ANYBLOB="000428bd7000fcdbdf250e000000200007800c000300000200000000000008000100001000000800010009000000180005800c000280080001001e0000000700010069620000"], 0x4c}}, 0x20000000) [ 3056.215485] batman_adv: batadv0: Adding interface: veth67 [ 3056.242566] batman_adv: batadv0: The MTU of interface veth67 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 3056.290630] batman_adv: batadv0: Not using interface veth67 (retrying later): interface not active 13:40:05 executing program 0: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xe) ioctl$TIOCSETD(r0, 0xc0189436, &(0x7f0000000000)) 13:40:05 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xe) r1 = open(&(0x7f0000000140)='./file0\x00', 0x40002, 0x8) sendfile(r1, 0xffffffffffffffff, 0x0, 0x2008000fffffffe) r2 = socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$ipvs(&(0x7f0000000400)='IPVS\x00') sendmsg$IPVS_CMD_NEW_SERVICE(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000580)={&(0x7f00000000c0)={0x28, r3, 0x1, 0x0, 0x0, {}, [@IPVS_CMD_ATTR_SERVICE={0x14, 0x1, 0x0, 0x1, [@IPVS_SVC_ATTR_AF={0x6, 0x1, 0xa}, @IPVS_SVC_ATTR_FWMARK={0x8}]}]}, 0x28}, 0x1, 0xa00000000000000}, 0x0) sendmsg$IPVS_CMD_DEL_DAEMON(r1, &(0x7f0000000180)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x80, r3, 0x200, 0x70bd26, 0x25dfdbfc, {}, [@IPVS_CMD_ATTR_SERVICE={0xc, 0x1, 0x0, 0x1, [@IPVS_SVC_ATTR_NETMASK={0x8, 0x9, 0x56}]}, @IPVS_CMD_ATTR_TIMEOUT_TCP={0x8, 0x4, 0x7}, @IPVS_CMD_ATTR_SERVICE={0x50, 0x1, 0x0, 0x1, [@IPVS_SVC_ATTR_TIMEOUT={0x8, 0x8, 0xdd}, @IPVS_SVC_ATTR_NETMASK={0x8, 0x9, 0x66}, @IPVS_SVC_ATTR_PORT={0x6, 0x4, 0x4e22}, @IPVS_SVC_ATTR_PROTOCOL={0x6}, @IPVS_SVC_ATTR_SCHED_NAME={0x7, 0x6, 'nq\x00'}, @IPVS_SVC_ATTR_PROTOCOL={0x6, 0x2, 0x88}, @IPVS_SVC_ATTR_PORT={0x6, 0x4, 0x4e23}, @IPVS_SVC_ATTR_ADDR={0x14, 0x3, @ipv6=@dev={0xfe, 0x80, [], 0x30}}]}, @IPVS_CMD_ATTR_TIMEOUT_TCP={0x8, 0x4, 0x1000}]}, 0x80}, 0x1, 0x0, 0x0, 0x4000001}, 0x8000) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) [ 3056.331820] batman_adv: batadv0: Adding interface: veth103 [ 3056.337474] batman_adv: batadv0: The MTU of interface veth103 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 13:40:06 executing program 4: openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(0xffffffffffffffff, 0x4020ae46, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000000000/0x18000)=nil, &(0x7f00000000c0)=[@text64={0x40, 0x0}], 0x1, 0x0, 0x0, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r4}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x3f00, &(0x7f0000000200)={&(0x7f0000000640)=@newlink={0x20, 0x11, 0x0, 0xa, 0x0, {0x5, 0x0, 0x0, r4}}, 0x20}, 0x1, 0x3f00}, 0x0) 13:40:06 executing program 0: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xe) ioctl$TIOCSETD(r0, 0xc020660b, &(0x7f0000000000)) [ 3056.412846] batman_adv: batadv0: Not using interface veth103 (retrying later): interface not active 13:40:06 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) 13:40:06 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xe) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) r1 = dup(0xffffffffffffffff) ioctl$BLKIOMIN(r1, 0x1278, 0x0) write$P9_RSETATTR(r1, &(0x7f0000000180)={0x7}, 0x7) write$P9_RATTACH(r1, &(0x7f0000000100)={0xfffffffffffffd85, 0x69, 0x4001, {0x40, 0x2, 0x207}}, 0xd) getsockname$packet(0xffffffffffffffff, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xe) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)=ANY=[@ANYBLOB="662a38000000240007050000004007a2a300", @ANYRES32=r2, @ANYBLOB="000070d5fffffdff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000300)=ANY=[@ANYBLOB='h\x00\x00\x00,\x00\'\r\x00'/20, @ANYRES32=r2, @ANYBLOB], 0x68}}, 0x0) sendmsg$xdp(r1, &(0x7f00000001c0)={&(0x7f0000000040)={0x2c, 0x1, r2, 0xb}, 0x10, &(0x7f0000000180)=[{&(0x7f00000000c0)="d89c534bb41968220e617e72df14e26affe176d895db217ec88c9bb00cadb5cd5c980e66af5ebe240cb061e9e4dfb9f9f4a13b517e5e13f167ee61c285763c0cf122ad0ecb2879f89dbdcf86e1fa54064e3fbdbf2a646a88abebeee08ade6f0921f4c36a843f6353fb295a14017cca67917c21b34ad5448284e7639fc0f4610133a8a1d08fcf5b2a8f4e617e99a1d82bcbadce9e4a871749a4", 0x99}], 0x1, 0x0, 0x0, 0x34}, 0x4000040) [ 3056.460218] batman_adv: batadv0: Adding interface: veth125 [ 3056.479044] batman_adv: batadv0: The MTU of interface veth125 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 3056.536529] batman_adv: batadv0: Not using interface veth125 (retrying later): interface not active 13:40:06 executing program 0: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xe) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) [ 3056.583200] batman_adv: batadv0: Adding interface: veth69 [ 3056.588754] batman_adv: batadv0: The MTU of interface veth69 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 13:40:06 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000040)=0xe) r1 = dup(0xffffffffffffffff) ioctl$BLKIOMIN(r1, 0x1278, 0x0) write$P9_RSETATTR(r1, &(0x7f0000000180)={0x7}, 0x7) write$P9_RATTACH(r1, &(0x7f0000000100)={0xfffffffffffffd85, 0x69, 0x4001, {0x40, 0x2, 0x207}}, 0xd) r2 = dup(0xffffffffffffffff) ioctl$BLKIOMIN(r2, 0x1278, 0x0) write$P9_RSETATTR(r2, &(0x7f0000000180)={0x7}, 0x7) write$P9_RATTACH(r2, &(0x7f0000000100)={0xfffffffffffffd85, 0x69, 0x4001, {0x40, 0x2, 0x207}}, 0xd) ioctl$TIOCSETD(0xffffffffffffffff, 0x5412, &(0x7f0000000000)=0x10) 13:40:06 executing program 3: ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c000100766574"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x3f00, &(0x7f0000000200)={&(0x7f0000000640)=@newlink={0x20, 0x11, 0x40d, 0xa, 0x0, {0x5, 0x0, 0x0, r3}}, 0x20}, 0x1, 0x3f00}, 0x0) [ 3056.630327] batman_adv: batadv0: Not using interface veth69 (retrying later): interface not active 13:40:06 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x6, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) 13:40:06 executing program 4: openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(0xffffffffffffffff, 0x4020ae46, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000000000/0x18000)=nil, &(0x7f00000000c0)=[@text64={0x40, 0x0}], 0x1, 0x0, 0x0, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r4}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x3f00, &(0x7f0000000200)={&(0x7f0000000640)=@newlink={0x20, 0x11, 0x40d, 0x0, 0x0, {0x5, 0x0, 0x0, r4}}, 0x20}, 0x1, 0x3f00}, 0x0) [ 3056.686511] batman_adv: batadv0: Adding interface: veth105 [ 3056.699448] batman_adv: batadv0: The MTU of interface veth105 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 13:40:06 executing program 0: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xe) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)=0x1000000) 13:40:06 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000000c0)=0x800004) connect$pptp(0xffffffffffffffff, &(0x7f0000000040)={0x18, 0x2, {0x1, @local}}, 0x1e) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) [ 3056.765839] batman_adv: batadv0: Not using interface veth105 (retrying later): interface not active 13:40:06 executing program 0: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xe) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)=0xfdfdffff) [ 3056.822732] batman_adv: batadv0: Adding interface: veth127 13:40:06 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040)='/dev/ptmx\x00', 0x30101, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xe) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) [ 3056.849756] batman_adv: batadv0: The MTU of interface veth127 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 3056.879965] batman_adv: batadv0: Not using interface veth127 (retrying later): interface not active [ 3056.922969] batman_adv: batadv0: Adding interface: veth71 [ 3056.928569] batman_adv: batadv0: The MTU of interface veth71 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 13:40:06 executing program 3: ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x3f00, &(0x7f0000000200)={&(0x7f0000000640)=@newlink={0x20, 0x11, 0x40d, 0xa, 0x0, {0x5, 0x0, 0x0, r3}}, 0x20}, 0x1, 0x3f00}, 0x0) 13:40:06 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x2, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) 13:40:06 executing program 0: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xe) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)=0xfffffdfd) 13:40:06 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xe) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) r1 = dup(0xffffffffffffffff) ioctl$BLKIOMIN(r1, 0x1278, 0x0) write$P9_RSETATTR(r1, &(0x7f0000000180)={0x7}, 0x7) write$P9_RATTACH(r1, &(0x7f0000000100)={0xfffffffffffffd85, 0x69, 0x4001, {0x40, 0x2, 0x207}}, 0xd) ioctl$KVM_DIRTY_TLB(r1, 0x4010aeaa, &(0x7f0000000040)={0xf7b, 0x1e}) [ 3056.970211] batman_adv: batadv0: Not using interface veth71 (retrying later): interface not active 13:40:06 executing program 0: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040)='/dev/ptmx\x00', 0x34b300, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xe) ioctl$TIOCL_GETSHIFTSTATE(r0, 0x541c, &(0x7f00000000c0)={0x6, 0x3}) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) [ 3057.044664] batman_adv: batadv0: Removing interface: veth71 13:40:06 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x7, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) [ 3057.127563] nla_parse: 31 callbacks suppressed [ 3057.127573] netlink: 28 bytes leftover after parsing attributes in process `syz-executor.3'. [ 3057.161249] batman_adv: batadv0: Adding interface: veth107 13:40:06 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) r1 = syz_open_procfs$namespace(0x0, &(0x7f00000000c0)='ns/mnt\x00') setns(r1, 0x0) ioctl$FS_IOC_GET_ENCRYPTION_POLICY(r1, 0x400c6615, &(0x7f0000000040)={0x0, @adiantum}) r2 = syz_init_net_socket$bt_l2cap(0x1f, 0x3, 0x3) getpeername(r2, 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xe) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) [ 3057.166935] batman_adv: batadv0: The MTU of interface veth107 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 3057.198302] batman_adv: batadv0: Not using interface veth107 (retrying later): interface not active [ 3057.221035] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. 13:40:06 executing program 4: openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(0xffffffffffffffff, 0x4020ae46, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000000000/0x18000)=nil, &(0x7f00000000c0)=[@text64={0x40, 0x0}], 0x1, 0x0, 0x0, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r4}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x3f00, &(0x7f0000000200)={&(0x7f0000000640)=@newlink={0x20, 0x11, 0x40d, 0x0, 0x0, {0x5, 0x0, 0x0, r4}}, 0x20}, 0x1, 0x3f00}, 0x0) 13:40:06 executing program 0: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) r1 = dup(0xffffffffffffffff) ioctl$BLKIOMIN(r1, 0x1278, 0x0) write$P9_RSETATTR(r1, &(0x7f0000000180)={0x7}, 0x7) write$P9_RATTACH(r1, &(0x7f0000000100)={0xfffffffffffffd85, 0x69, 0x4001, {0x40, 0x2, 0x207}}, 0xd) r2 = dup(0xffffffffffffffff) ioctl$BLKIOMIN(r2, 0x1278, 0x0) write$P9_RSETATTR(r2, &(0x7f0000000180)={0x7}, 0x7) write$P9_RATTACH(r2, &(0x7f0000000100)={0xfffffffffffffd85, 0x69, 0x4001, {0x40, 0x2, 0x207}}, 0xd) ioctl$TIOCSETD(0xffffffffffffffff, 0x5423, &(0x7f0000000080)=0x7) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) 13:40:06 executing program 3: ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x3f00, &(0x7f0000000200)={&(0x7f0000000640)=@newlink={0x20, 0x11, 0x40d, 0xa, 0x0, {0x5, 0x0, 0x0, r3}}, 0x20}, 0x1, 0x3f00}, 0x0) [ 3057.264809] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 3057.286799] batman_adv: batadv0: Adding interface: veth129 13:40:06 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) 13:40:06 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x3, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) [ 3057.299719] batman_adv: batadv0: The MTU of interface veth129 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 3057.342591] batman_adv: batadv0: Not using interface veth129 (retrying later): interface not active [ 3057.373246] netlink: 28 bytes leftover after parsing attributes in process `syz-executor.3'. [ 3057.383687] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. 13:40:07 executing program 2: r0 = add_key$user(&(0x7f0000000300)='user\x00', &(0x7f0000000180)={'syz', 0x2}, &(0x7f0000000400)='\x00', 0x1, 0xfffffffffffffffd) keyctl$invalidate(0x15, r0) r1 = add_key$keyring(&(0x7f0000000180)='keyring\x00', &(0x7f0000000240)={'syz'}, 0x0, 0x0, 0xfffffffffffffffd) add_key$keyring(&(0x7f0000000280)='keyring\x00', &(0x7f0000000000)={'syz', 0x3}, 0x0, 0x0, r1) r2 = add_key$keyring(&(0x7f0000000040)='keyring\x00', &(0x7f00000000c0)={'syz', 0x1}, 0x0, 0x0, r1) keyctl$unlink(0x9, r0, r2) r3 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r3, 0x5423, &(0x7f0000000080)=0xe) ioctl$TIOCSETD(r3, 0x5412, &(0x7f0000000000)) 13:40:07 executing program 3: ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x3f00, &(0x7f0000000200)={&(0x7f0000000640)=@newlink={0x20, 0x11, 0x40d, 0xa, 0x0, {0x5, 0x0, 0x0, r3}}, 0x20}, 0x1, 0x3f00}, 0x0) 13:40:07 executing program 0: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x400002, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xe) r1 = open(&(0x7f0000000140)='./file0\x00', 0x40002, 0x8) r2 = open(&(0x7f0000000140)='./file0\x00', 0x40002, 0x8) sendfile(r2, 0xffffffffffffffff, 0x0, 0x2008000fffffffe) write$binfmt_script(r2, &(0x7f0000000180)=ANY=[@ANYBLOB="2321202e2f66696c6530202f6465762f70746d7800205b210a8599df920e0566e2d468eb75264d4b38954f25ae00f6ac9dc9cd09adc8126749c87c93c3276da205d9589e8ee219b477c133fbd2ca488095625c7b6582b6ba834d6dd5bc48021318916a27143c88305cc555e56ade67752aef3a29608a3bd5e449dbae9a89923fe2e88c1b135d02fce42f02d650b2f682c75fd4c5e8e3fe0a58c33f3da4c66c089a4030849f01e973d88dcfddd00ffb2c32d931ab104145cf61f14e68dd00000000"], 0xc1) sendfile(r1, 0xffffffffffffffff, 0x0, 0x2008000fffffffe) r3 = open(&(0x7f0000000140)='./file0\x00', 0x40002, 0x8) sendfile(r3, 0xffffffffffffffff, 0x0, 0x2008000fffffffe) ioctl$SG_SET_COMMAND_Q(r3, 0x2271, &(0x7f0000000040)) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)=0xf) [ 3057.425106] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. [ 3057.451408] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 13:40:07 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x8, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) [ 3057.510375] batman_adv: batadv0: Adding interface: veth71 [ 3057.516128] batman_adv: batadv0: The MTU of interface veth71 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 3057.568678] batman_adv: batadv0: Not using interface veth71 (retrying later): interface not active [ 3057.583213] batman_adv: batadv0: Adding interface: veth109 [ 3057.588857] batman_adv: batadv0: The MTU of interface veth109 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 13:40:07 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xe) r1 = open(&(0x7f0000000140)='./file0\x00', 0x40002, 0x8) sendfile(r1, 0xffffffffffffffff, 0x0, 0x2008000fffffffe) getsockopt$SO_TIMESTAMP(r1, 0x1, 0x1d, &(0x7f0000000040), &(0x7f00000000c0)=0x4) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) 13:40:07 executing program 0: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/ptmx\x00', 0x400003, 0x0) r1 = dup(0xffffffffffffffff) ioctl$BLKIOMIN(r1, 0x1278, 0x0) write$P9_RSETATTR(r1, &(0x7f0000000180)={0x7}, 0x7) write$P9_RATTACH(r1, &(0x7f0000000100)={0xfffffffffffffd85, 0x69, 0x4001, {0x40, 0x2, 0x207}}, 0xd) ioctl$VFIO_IOMMU_UNMAP_DMA(r1, 0x3b72, &(0x7f0000000200)=ANY=[@ANYBLOB="960000000000000005000000000000001f0000000000000055b0eb4f6f24016fd266c38f4a682245c06374b1ce8fcf4e957476eca283fbd19d19b4eb48bfbb50274ff4c525e51f941a79e9c2a65d1ac969193e3b1adbb4400800ba0f60170b6cf82ef59b42a5f33a4581d5d7f79b486b51dc2c50ec0e71de5ed12cffcba7415d66bc2098031cc1228ff861effd50742c5b0000000000a4453bea61d747853915e7bce11987f9e6082057bedef84e4021b0a72610c0032c882999bc13d82cd2259bd56a5cbdd514b6471591fb22332201fbd52432aae6dae4afa36759b3fc0a02"]) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xe) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) syz_open_pts(r0, 0x541880) [ 3057.616019] batman_adv: batadv0: Not using interface veth109 (retrying later): interface not active [ 3057.655116] batman_adv: batadv0: Removing interface: veth71 13:40:07 executing program 0: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) r1 = open(&(0x7f0000000140)='./file0\x00', 0x40002, 0x8) sendfile(r1, 0xffffffffffffffff, 0x0, 0x2008000fffffffe) ioctl$TCSETS(r1, 0x5402, &(0x7f0000000040)={0x10000, 0x8, 0x1f, 0x101, 0xa, "af5ab7aafefbac513a49eb2e483e0ea97427fc"}) r2 = open(&(0x7f0000000140)='./file0\x00', 0x40002, 0x8) sendfile(r2, 0xffffffffffffffff, 0x0, 0x2008000fffffffe) ioctl$SIOCGETNODEID(r2, 0x89e1, &(0x7f00000000c0)={0x4}) r3 = open(&(0x7f0000000140)='./file0\x00', 0x40002, 0x8) sendfile(r3, 0xffffffffffffffff, 0x0, 0x2008000fffffffe) ioctl$BINDER_WRITE_READ(r3, 0xc0306201, &(0x7f00000002c0)={0x5c, 0x0, &(0x7f0000000200)=[@request_death={0x400c630e, 0x2}, @transaction_sg={0x40486311, {0x3, 0x0, 0x0, 0x0, 0x10, 0x0, 0x0, 0x50, 0x18, &(0x7f0000000180)=ANY=[@ANYBLOB="852a6877001000000200000000000000000006890000000085616466000000000a0000000000000000000000000000001400000000000000852a62770a1000"/80], &(0x7f0000000100)={0x0, 0x18, 0x38}}, 0x1000}], 0x2c, 0x0, &(0x7f0000000280)="1a67910101701f28a04480ac5f90104192b97122eeb04a0c3fe2e24aef16426c7e32460a255f5547962b7e9f"}) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xe) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) [ 3057.678257] netlink: 28 bytes leftover after parsing attributes in process `syz-executor.3'. [ 3057.698634] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. [ 3057.758007] batman_adv: batadv0: Adding interface: veth131 [ 3057.770146] batman_adv: batadv0: The MTU of interface veth131 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 3057.796789] batman_adv: batadv0: Not using interface veth131 (retrying later): interface not active [ 3057.809618] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 13:40:07 executing program 4: openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(0xffffffffffffffff, 0x4020ae46, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000000000/0x18000)=nil, &(0x7f00000000c0)=[@text64={0x40, 0x0}], 0x1, 0x0, 0x0, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r4}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x3f00, &(0x7f0000000200)={&(0x7f0000000640)=@newlink={0x20, 0x11, 0x40d, 0x0, 0x0, {0x5, 0x0, 0x0, r4}}, 0x20}, 0x1, 0x3f00}, 0x0) 13:40:07 executing program 2: r0 = eventfd2(0x0, 0x0) read$eventfd(r0, &(0x7f0000000140), 0x8) io_setup(0x9, &(0x7f0000000340)=0x0) r2 = socket(0x10, 0x80002, 0x0) io_submit(r1, 0x1, &(0x7f0000329fd8)=[&(0x7f00002a8000)={0x0, 0x0, 0x0, 0x0, 0x0, r2, 0x0, 0x0, 0x0, 0x0, 0x1, r0}]) r3 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r3, 0x5423, &(0x7f0000000080)=0xe) ioctl$TIOCSETD(r3, 0x5412, &(0x7f0000000000)) 13:40:07 executing program 3: ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x3f00, &(0x7f0000000200)={&(0x7f0000000640)=@newlink={0x20, 0x11, 0x40d, 0xa, 0x0, {0x5, 0x0, 0x0, r3}}, 0x20}, 0x1, 0x3f00}, 0x0) 13:40:07 executing program 0: perf_event_open(&(0x7f0000000180)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x203, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socketpair(0x1e, 0x1, 0x0, &(0x7f0000000140)={0x0, 0x0}) recvmsg$kcm(0xffffffffffffffff, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000000380), 0x10000023, &(0x7f00000002c0)=""/77, 0x42e}, 0x0) recvmsg$kcm(r0, &(0x7f0000000200)={&(0x7f0000000040)=@ax25, 0xfe76, &(0x7f0000000000)=[{&(0x7f0000000080)=""/151, 0x6129d00b}], 0x1, &(0x7f00000001c0)=""/4, 0x10036, 0x7301}, 0x3f00) sendmsg(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000100), 0x47, &(0x7f0000000000)}, 0x0) r2 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r2, 0x5423, &(0x7f0000000080)=0xe) ioctl$PIO_UNISCRNMAP(r2, 0x4b6a, &(0x7f00000000c0)="9981f35a14208d8f7ba9d25403a99482bd8b22d6ec25783c5619ef1c07664ed4b0c45de6902707e09f1230f4f1dbd22e15cd4b0252b160fba1641b70943b9e84adb82b244d2f8b23d554e27fcf7c139e8534a008bcc708f39dfa144fe15ba8b0e675d9afda8cab1b216dc86f147b31196b5b0234edc1060efb3ca4c5f4c49d7511d5cb5fc2afbb294ab09decbd36c5f65c87c32bb63c16f6db15db95070770982bd7") ioctl$TIOCSETD(r2, 0x5412, &(0x7f0000000000)) ioctl$sock_SIOCGPGRP(r0, 0x8904, &(0x7f0000000240)) 13:40:07 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x4, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) 13:40:07 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0xa, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) [ 3058.000882] batman_adv: batadv0: Adding interface: veth133 [ 3058.006554] batman_adv: batadv0: The MTU of interface veth133 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 3058.031692] batman_adv: batadv0: Not using interface veth133 (retrying later): interface not active [ 3058.044261] batman_adv: batadv0: Adding interface: veth71 [ 3058.054220] batman_adv: batadv0: The MTU of interface veth71 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 3058.080644] batman_adv: batadv0: Not using interface veth71 (retrying later): interface not active [ 3058.092978] batman_adv: batadv0: Adding interface: veth113 [ 3058.098620] batman_adv: batadv0: The MTU of interface veth113 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 3058.127507] batman_adv: batadv0: Not using interface veth113 (retrying later): interface not active 13:40:07 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x40002, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xf) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) 13:40:07 executing program 3: ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x3f00, &(0x7f0000000200)={&(0x7f0000000640)=@newlink={0x20, 0x11, 0x40d, 0xa, 0x0, {0x5, 0x0, 0x0, r3}}, 0x20}, 0x1, 0x3f00}, 0x0) [ 3058.152293] batman_adv: batadv0: Removing interface: veth71 13:40:07 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) r1 = dup(0xffffffffffffffff) ioctl$BLKIOMIN(r1, 0x1278, 0x0) write$P9_RSETATTR(r1, &(0x7f0000000180)={0x7}, 0x7) write$P9_RATTACH(r1, &(0x7f0000000100)={0xfffffffffffffd85, 0x69, 0x4001, {0x40, 0x2, 0x207}}, 0xd) r2 = open(&(0x7f0000000140)='./file0\x00', 0x40002, 0x8) sendfile(r2, 0xffffffffffffffff, 0x0, 0x2008000fffffffe) ioctl$KVM_PPC_ALLOCATE_HTAB(r2, 0xc004aea7, &(0x7f00000000c0)=0x400) r3 = dup(0xffffffffffffffff) ioctl$BLKIOMIN(r3, 0x1278, 0x0) write$P9_RSETATTR(r3, &(0x7f0000000180)={0x7}, 0x7) write$P9_RATTACH(r3, &(0x7f0000000100)={0xfffffffffffffd85, 0x69, 0x4001, {0x40, 0x2, 0x207}}, 0xd) r4 = syz_genetlink_get_family_id$fou(&(0x7f0000000200)='fou\x00') sendmsg$FOU_CMD_ADD(r3, &(0x7f00000002c0)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f0000000280)={&(0x7f0000000240)=ANY=[@ANYBLOB=',\x00\x00\x00', @ANYRES16=r4, @ANYBLOB="02002abd7000fcdbdf2501000000000004000100000008006401010208000600ffffffff"], 0x2c}, 0x1, 0x0, 0x0, 0x4000044}, 0x40000) ioctl$TIOCL_PASTESEL(r1, 0x541c, &(0x7f0000000040)) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xe) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) 13:40:07 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0xc, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) 13:40:07 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x5, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) [ 3058.333361] batman_adv: batadv0: Adding interface: veth137 [ 3058.339203] batman_adv: batadv0: The MTU of interface veth137 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 13:40:08 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xe) r1 = openat$qat_adf_ctl(0xffffffffffffff9c, &(0x7f0000000040)='/dev/qat_adf_ctl\x00', 0x4200, 0x0) connect$rose(r1, &(0x7f00000000c0)=@short={0xb, @remote={0xcc, 0xcc, 0xcc, 0xcc, 0x0}, @remote={0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0x3}, 0x1, @remote={0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0x1}}, 0x1c) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) [ 3058.424569] batman_adv: batadv0: Not using interface veth137 (retrying later): interface not active 13:40:08 executing program 4: openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(0xffffffffffffffff, 0x4020ae46, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000000000/0x18000)=nil, &(0x7f00000000c0)=[@text64={0x40, 0x0}], 0x1, 0x0, 0x0, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r4}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x3f00, &(0x7f0000000200)={&(0x7f0000000640)=@newlink={0x20, 0x11, 0x40d, 0xa, 0x0, {0x5}}, 0x20}, 0x1, 0x3f00}, 0x0) 13:40:08 executing program 3: ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x3f00, &(0x7f0000000200)={&(0x7f0000000640)=@newlink={0x20, 0x11, 0x40d, 0xa, 0x0, {0x5, 0x0, 0x0, r3}}, 0x20}, 0x1, 0x3f00}, 0x0) [ 3058.547275] batman_adv: batadv0: Adding interface: veth115 13:40:08 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0xe, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) [ 3058.603525] batman_adv: batadv0: The MTU of interface veth115 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 3058.729734] batman_adv: batadv0: Not using interface veth115 (retrying later): interface not active 13:40:08 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040)='/dev/ptmx\x00', 0x28080, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xe) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) 13:40:08 executing program 0: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xe) r1 = open(&(0x7f0000000140)='./file0\x00', 0x40002, 0x8) sendfile(r1, 0xffffffffffffffff, 0x0, 0x2008000fffffffe) r2 = dup(0xffffffffffffffff) ioctl$BLKIOMIN(r2, 0x1278, 0x0) write$P9_RSETATTR(r2, &(0x7f0000000180)={0x7}, 0x7) write$P9_RATTACH(r2, &(0x7f0000000100)={0xfffffffffffffd85, 0x69, 0x4001, {0x40, 0x2, 0x207}}, 0xd) ioctl$VIDIOC_SUBDEV_S_EDID(r2, 0xc0285629, &(0x7f00000000c0)={0x0, 0x2, 0x3, [], &(0x7f0000000000)=0x7f}) ioctl$TIOCSETD(r1, 0x5412, &(0x7f0000000040)) [ 3058.802875] batman_adv: batadv0: Adding interface: veth71 [ 3058.808462] batman_adv: batadv0: The MTU of interface veth71 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 3058.838891] batman_adv: batadv0: Not using interface veth71 (retrying later): interface not active 13:40:08 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x6, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) 13:40:08 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xe) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) ioctl$TIOCGSOFTCAR(r0, 0x5419, &(0x7f0000000040)) [ 3058.884513] batman_adv: batadv0: Adding interface: veth139 [ 3058.907742] batman_adv: batadv0: The MTU of interface veth139 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 13:40:08 executing program 4: openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(0xffffffffffffffff, 0x4020ae46, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000000000/0x18000)=nil, &(0x7f00000000c0)=[@text64={0x40, 0x0}], 0x1, 0x0, 0x0, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r4}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x3f00, &(0x7f0000000200)={&(0x7f0000000640)=@newlink={0x20, 0x11, 0x40d, 0xa, 0x0, {0x5}}, 0x20}, 0x1, 0x3f00}, 0x0) 13:40:08 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) r1 = open(&(0x7f0000000140)='./file0\x00', 0x40002, 0x8) r2 = dup(0xffffffffffffffff) ioctl$BLKIOMIN(r2, 0x1278, 0x0) write$P9_RSETATTR(r2, &(0x7f0000000180)={0x7}, 0x7) write$P9_RATTACH(r2, &(0x7f0000000100)={0xfffffffffffffd85, 0x69, 0x4001, {0x40, 0x2, 0x207}}, 0xd) r3 = open(&(0x7f0000000140)='./file0\x00', 0x40002, 0x8) sendfile(r3, 0xffffffffffffffff, 0x0, 0x2008000fffffffe) dup2(r2, r3) sendfile(r1, 0xffffffffffffffff, 0x0, 0x2008000fffffffe) fsync(r1) r4 = dup(0xffffffffffffffff) ioctl$BLKIOMIN(r4, 0x1278, 0x0) write$P9_RSETATTR(r4, &(0x7f0000000180)={0x7}, 0x7) write$P9_RATTACH(r4, &(0x7f0000000100)={0xfffffffffffffd85, 0x69, 0x4001, {0x40, 0x2, 0x207}}, 0xd) ioctl$VFIO_CHECK_EXTENSION(r4, 0x3b65, 0x3) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)=0xb) r5 = openat$vicodec1(0xffffffffffffff9c, &(0x7f0000000040)='/dev/video37\x00', 0x2, 0x0) ioctl$VIDIOC_S_CROP(r5, 0x4014563c, &(0x7f0000000100)={0x9, {0x109, 0x8, 0x3f, 0x50}}) 13:40:08 executing program 0: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) r1 = open(&(0x7f0000000140)='./file0\x00', 0x40002, 0x8) sendfile(r1, 0xffffffffffffffff, 0x0, 0x2008000fffffffe) ioctl$RTC_RD_TIME(r1, 0x80247009, &(0x7f0000000040)) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xe) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) [ 3058.991151] batman_adv: batadv0: Not using interface veth139 (retrying later): interface not active 13:40:08 executing program 3: ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x3f00, &(0x7f0000000200)={&(0x7f0000000640)=@newlink={0x20, 0x11, 0x40d, 0xa, 0x0, {0x5, 0x0, 0x0, r3}}, 0x20}, 0x1, 0x3f00}, 0x0) 13:40:08 executing program 0: r0 = dup(0xffffffffffffffff) ioctl$BLKIOMIN(r0, 0x1278, 0x0) write$P9_RSETATTR(r0, &(0x7f0000000180)={0x7}, 0x7) write$P9_RATTACH(r0, &(0x7f0000000100)={0xfffffffffffffd85, 0x69, 0x4001, {0x40, 0x2, 0x207}}, 0xd) getsockopt$sock_timeval(r0, 0x1, 0x42, &(0x7f00000001c0), &(0x7f0000000200)=0x10) r1 = dup(0xffffffffffffffff) ioctl$BLKIOMIN(r1, 0x1278, 0x0) write$P9_RSETATTR(r1, &(0x7f0000000180)={0x7}, 0x7) write$P9_RATTACH(r1, &(0x7f0000000100)={0x14, 0x69, 0x4001, {0x40, 0x2, 0x2}}, 0x14) ioctl$TUNGETFEATURES(r1, 0x800454cf, &(0x7f0000000040)) r2 = open(&(0x7f0000000140)='./file0\x00', 0x40002, 0x8) sendfile(r2, 0xffffffffffffffff, 0x0, 0x2008000fffffffe) ioctl$F2FS_IOC_FLUSH_DEVICE(r2, 0x4008f50a, &(0x7f00000000c0)={0x400, 0xff27}) r3 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r3, 0x5423, &(0x7f0000000080)=0xe) ioctl$sock_SIOCSIFVLAN_ADD_VLAN_CMD(0xffffffffffffffff, 0x8983, &(0x7f0000000240)={0x0, 'team0\x00', {}, 0x7}) ioctl$TIOCSETD(r3, 0x5412, &(0x7f0000000000)) r4 = open(&(0x7f0000000140)='./file0\x00', 0x40002, 0x8) sendfile(r4, 0xffffffffffffffff, 0x0, 0x2008000fffffffe) sync_file_range(r4, 0x4, 0x5, 0x4) 13:40:08 executing program 2: ioctl$TIOCSETD(0xffffffffffffffff, 0x5423, &(0x7f0000000080)=0xe) ioctl$TIOCSETD(0xffffffffffffffff, 0x5412, &(0x7f0000000000)) r0 = open(&(0x7f0000000140)='./file0\x00', 0x40002, 0x8) sendfile(r0, 0xffffffffffffffff, 0x0, 0x2008000fffffffe) ioctl$TUNSETFILTEREBPF(r0, 0x800454e1, &(0x7f0000000040)) [ 3059.085622] batman_adv: batadv0: Adding interface: veth117 [ 3059.105851] batman_adv: batadv0: The MTU of interface veth117 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 13:40:08 executing program 0: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xe) r1 = dup(0xffffffffffffffff) accept4$alg(r1, 0x0, 0x0, 0x81000) ioctl$TIOCSETD(0xffffffffffffffff, 0x5412, &(0x7f0000000040)=0x10006) [ 3059.189498] batman_adv: batadv0: Not using interface veth117 (retrying later): interface not active 13:40:08 executing program 2: r0 = dup(0xffffffffffffffff) ioctl$BLKIOMIN(r0, 0x1278, 0x0) write$P9_RSETATTR(r0, &(0x7f0000000180)={0x7}, 0x7) write$P9_RATTACH(r0, &(0x7f0000000100)={0xfffffffffffffd85, 0x69, 0x4001, {0x40, 0x2, 0x207}}, 0xd) ioctl$F2FS_IOC_RELEASE_VOLATILE_WRITE(r0, 0xf504, 0x0) r1 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ptmx\x00', 0x101002, 0x0) r2 = open(&(0x7f0000000040)='./file0\x00', 0x40000, 0x8) ioctl$KVM_XEN_HVM_CONFIG(r2, 0x4038ae7a, &(0x7f00000000c0)={0x6f, 0xa9c, &(0x7f00000001c0)="26c3a3d5092622a6b18027608697db94a73aa3eb96a5e25fcd658f2c86234c6a9205104a5eb87bb0ee9a5178b07aabb8706d3053823c39510988ffc219a39983986fb07d4356a67253b33568728042d1fe901aea5794518ce240d53907be9a6199eea054a513ac1fc031163ba42d469ec1", &(0x7f0000000240)="cca96e1fa87f7a45b87a0f968aae38e3fa47e41b1344d2ab4036119b9012989225807945cc6d9358753cf6354d6f561a0a8ea633fbc336e2f7502c0cf4c774624996550bb75d6004de2a2b81378548efc7cde25459c82153a90a9627d058bd2300b52e", 0x71, 0x63}) ioctl$TIOCSETD(r1, 0x5423, &(0x7f0000000080)=0xe) r3 = dup(0xffffffffffffffff) ioctl$BLKIOMIN(r3, 0x1278, 0x0) write$P9_RSETATTR(r3, &(0x7f0000000180)={0x7}, 0x7) write$P9_RATTACH(r3, &(0x7f0000000100)={0xfffffffffffffd85, 0x69, 0x4001, {0x40, 0x2, 0x207}}, 0xd) rmdir(&(0x7f0000000300)='./file0\x00') r4 = open(&(0x7f0000000140)='./file0\x00', 0x40002, 0x8) sendfile(r4, 0xffffffffffffffff, 0x0, 0x2008000fffffffe) ioctl$PPPIOCATTCHAN(r4, 0x40047438, &(0x7f0000000340)=0x2) ioctl$KVM_REINJECT_CONTROL(r3, 0xae71, &(0x7f00000002c0)={0x4}) ioctl$TIOCSETD(r1, 0x5412, &(0x7f0000000140)=0x19) 13:40:08 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x10, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) [ 3059.252192] batman_adv: batadv0: Adding interface: veth73 [ 3059.257793] batman_adv: batadv0: The MTU of interface veth73 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 13:40:08 executing program 0: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) r1 = open(&(0x7f0000000140)='./file0\x00', 0x40002, 0x8) sendfile(r1, 0xffffffffffffffff, 0x0, 0x2008000fffffffe) ioctl$TIOCSETD(r1, 0x5423, &(0x7f0000000080)=0xe) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) [ 3059.319919] batman_adv: batadv0: Not using interface veth73 (retrying later): interface not active 13:40:09 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x7, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) 13:40:09 executing program 3: ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x3f00, &(0x7f0000000200)={&(0x7f0000000640)=@newlink={0x20, 0x11, 0x40d, 0xa, 0x0, {0x5, 0x0, 0x0, r3}}, 0x20}, 0x1, 0x3f00}, 0x0) 13:40:09 executing program 4: openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(0xffffffffffffffff, 0x4020ae46, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000000000/0x18000)=nil, &(0x7f00000000c0)=[@text64={0x40, 0x0}], 0x1, 0x0, 0x0, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r4}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x3f00, &(0x7f0000000200)={&(0x7f0000000640)=@newlink={0x20, 0x11, 0x40d, 0xa, 0x0, {0x5}}, 0x20}, 0x1, 0x3f00}, 0x0) [ 3059.373132] batman_adv: batadv0: Adding interface: veth143 [ 3059.392600] batman_adv: batadv0: The MTU of interface veth143 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 13:40:09 executing program 2: r0 = open(&(0x7f0000000140)='./file0\x00', 0x40002, 0x8) sendfile(r0, 0xffffffffffffffff, 0x0, 0x2008000fffffffe) sendmsg$IPCTNL_MSG_EXP_NEW(r0, &(0x7f00000001c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0x8c, 0x0, 0x2, 0x401, 0x0, 0x0, {0x1, 0x0, 0x9}, [@CTA_EXPECT_FLAGS={0x8, 0x8, 0x1, 0x0, 0x2}, @CTA_EXPECT_MASK={0x68, 0x3, 0x0, 0x1, [@CTA_TUPLE_ZONE={0x6, 0x3, 0x1, 0x0, 0x1}, @CTA_TUPLE_IP={0x14, 0x1, 0x0, 0x1, @ipv4={{0x8, 0x1, @remote}, {0x8, 0x2, @loopback}}}, @CTA_TUPLE_ZONE={0x6}, @CTA_TUPLE_IP={0x14, 0x1, 0x0, 0x1, @ipv4={{0x8, 0x1, @dev={0xac, 0x14, 0x14, 0x24}}, {0x8, 0x2, @empty}}}, @CTA_TUPLE_IP={0x2c, 0x1, 0x0, 0x1, @ipv6={{0x14, 0x3, @dev={0xfe, 0x80, [], 0x3a}}, {0x14, 0x4, @mcast1}}}]}, @CTA_EXPECT_ZONE={0x6}]}, 0x8c}, 0x1, 0x0, 0x0, 0x8080}, 0x20008001) r1 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r1, 0x5423, &(0x7f0000000080)=0xe) ioctl$TIOCSETD(r1, 0x5412, &(0x7f0000000000)) 13:40:09 executing program 0: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xe) r1 = open(&(0x7f0000000140)='./file0\x00', 0x40002, 0x8) sendfile(r1, 0xffffffffffffffff, 0x0, 0x2008000fffffffe) r2 = open(&(0x7f0000000140)='./file0\x00', 0x40002, 0x8) sendfile(r2, 0xffffffffffffffff, 0x0, 0x2008000fffffffe) sendmsg$RDMA_NLDEV_CMD_RES_GET(r2, &(0x7f0000000340)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000300)={&(0x7f00000002c0)={0x18, 0x1409, 0x8, 0x70bd2a, 0x25dfdbff, "", [@RDMA_NLDEV_ATTR_DEV_INDEX={0x8, 0x1, 0x1}]}, 0x18}, 0x1, 0x0, 0x0, 0x24000000}, 0x20040080) sendfile(0xffffffffffffffff, 0xffffffffffffffff, 0x0, 0x2008000fffffffe) ioctl$TCFLSH(0xffffffffffffffff, 0x540b, 0x2) r3 = dup(0xffffffffffffffff) ioctl$BLKIOMIN(r3, 0x1278, 0x0) write$P9_RSETATTR(0xffffffffffffffff, &(0x7f0000000040)={0x7, 0x1b, 0x2}, 0x7) write$P9_RATTACH(r3, &(0x7f0000000100)={0xfffffffffffffd85, 0x69, 0x4001, {0x40, 0x2, 0x207}}, 0xd) r4 = openat$zero(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/zero\x00', 0x80000, 0x0) ioctl$EVIOCGPROP(r4, 0x80404509, &(0x7f0000000180)=""/216) ioctl$TIOCSETD(r3, 0x5412, &(0x7f0000000000)=0xfffffffe) [ 3059.473007] batman_adv: batadv0: Not using interface veth143 (retrying later): interface not active 13:40:09 executing program 3: ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x3f00, &(0x7f0000000200)={&(0x7f0000000640)=@newlink={0x20, 0x11, 0x40d, 0xa, 0x0, {0x5, 0x0, 0x0, r3}}, 0x20}, 0x1, 0x3f00}, 0x0) 13:40:09 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xe) r1 = dup(0xffffffffffffffff) r2 = openat$autofs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/autofs\x00', 0x214000, 0x0) sendmsg$RDMA_NLDEV_CMD_RES_CM_ID_GET(r2, &(0x7f0000000200)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f00000001c0)={&(0x7f0000000240)=ANY=[@ANYBLOB="180000000100000000c4a09350fbe3ca25ce781026392688e3a7af7c7eb3eff100007abcf0bc8ffd6efda8af222cde7f971869132330a98000bacd9c285e0ceec4ace9b478b5b1998dab60bf9800"/92], 0x18}, 0x1, 0x0, 0x0, 0x8000}, 0x10) ioctl$BLKIOMIN(r1, 0x1278, 0x0) write$P9_RSETATTR(r1, &(0x7f0000000180)={0x7}, 0x7) write$P9_RATTACH(r1, &(0x7f0000000100)={0xfffffffffffffd85, 0x69, 0x4001, {0x40, 0x2, 0x207}}, 0xd) r3 = dup(0xffffffffffffffff) ioctl$BLKIOMIN(r3, 0x1278, 0x0) write$P9_RSETATTR(r3, &(0x7f0000000180)={0x7}, 0x7) write$P9_RATTACH(r3, &(0x7f0000000100)={0xfffffffffffffd85, 0x69, 0x4001, {0x40, 0x2, 0x207}}, 0xd) r4 = syz_genetlink_get_family_id$tipc2(&(0x7f00000000c0)='TIPCv2\x00') sendmsg$TIPC_NL_MON_SET(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000100)={0x38, r4, 0x2, 0x70bd26, 0x25dfdbfc, {}, [@TIPC_NLA_NET={0x24, 0x7, 0x0, 0x1, [@TIPC_NLA_NET_ID={0x8, 0x1, 0x10000}, @TIPC_NLA_NET_NODEID={0xc, 0x3, 0x1}, @TIPC_NLA_NET_NODEID_W1={0xc, 0x4, 0x10000}]}]}, 0x38}, 0x1, 0x0, 0x0, 0x24004050}, 0x1) sendmsg$TIPC_NL_NODE_GET(r3, &(0x7f0000000500)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x201}, 0xc, &(0x7f00000004c0)={&(0x7f00000002c0)={0x200, r4, 0x20, 0x70bd2b, 0x25dfdbfb, {}, [@TIPC_NLA_SOCK={0x74, 0x2, 0x0, 0x1, [@TIPC_NLA_SOCK_REF={0x8, 0x2, 0x5}, @TIPC_NLA_SOCK_CON={0x4c, 0x3, 0x0, 0x1, [@TIPC_NLA_CON_FLAG={0x8, 0x1, 0x200}, @TIPC_NLA_CON_FLAG={0x8, 0x1, 0x8}, @TIPC_NLA_CON_FLAG={0x8, 0x1, 0x2cf}, @TIPC_NLA_CON_NODE={0x8, 0x2, 0x9}, @TIPC_NLA_CON_FLAG={0x8}, @TIPC_NLA_CON_NODE={0x8, 0x2, 0x7fffffff}, @TIPC_NLA_CON_NODE={0x8, 0x2, 0x5}, @TIPC_NLA_CON_FLAG={0x8, 0x1, 0x5}, @TIPC_NLA_CON_NODE={0x8, 0x2, 0x6}]}, @TIPC_NLA_SOCK_CON={0x1c, 0x3, 0x0, 0x1, [@TIPC_NLA_CON_FLAG={0x8, 0x1, 0x42}, @TIPC_NLA_CON_NODE={0x8, 0x2, 0x1ff}, @TIPC_NLA_CON_FLAG={0x8, 0x1, 0x7ff3f4b8}]}]}, @TIPC_NLA_PUBL={0xc, 0x3, 0x0, 0x1, [@TIPC_NLA_PUBL_LOWER={0x8, 0x2, 0x7ff}]}, @TIPC_NLA_SOCK={0x28, 0x2, 0x0, 0x1, [@TIPC_NLA_SOCK_REF={0x8, 0x2, 0x2935}, @TIPC_NLA_SOCK_ADDR={0x8, 0x1, 0x10000}, @TIPC_NLA_SOCK_ADDR={0x8, 0x1, 0x1}, @TIPC_NLA_SOCK_ADDR={0x8, 0x1, 0x66a0}, @TIPC_NLA_SOCK_HAS_PUBL={0x4}]}, @TIPC_NLA_NODE={0x4c, 0x6, 0x0, 0x1, [@TIPC_NLA_NODE_ADDR={0x8, 0x1, 0x9}, @TIPC_NLA_NODE_KEY={0x3e, 0x4, {'gcm(aes)\x00', 0x16, "b85888641bb4d34430c4757d1a2eef51a3b82d889dd2"}}]}, @TIPC_NLA_NODE={0xf8, 0x6, 0x0, 0x1, [@TIPC_NLA_NODE_UP={0x4}, @TIPC_NLA_NODE_UP={0x4}, @TIPC_NLA_NODE_KEY={0x40, 0x4, {'gcm(aes)\x00', 0x18, "ec76ce795a3733ff0d08ee1989a670fe59cf7f36039615e6"}}, @TIPC_NLA_NODE_UP={0x4}, @TIPC_NLA_NODE_UP={0x4}, @TIPC_NLA_NODE_KEY={0x48, 0x4, {'gcm(aes)\x00', 0x20, "d8e441940cab7099ff48c1bc715fc65925502d6905fb3c44ee2b046cfe7b8830"}}, @TIPC_NLA_NODE_UP={0x4}, @TIPC_NLA_NODE_ADDR={0x8, 0x1, 0x819}, @TIPC_NLA_NODE_ADDR={0x8, 0x1, 0x2}, @TIPC_NLA_NODE_KEY={0x47, 0x4, {'gcm(aes)\x00', 0x1f, "6b75ef5128b836f2cf63cd180c2e397078f3ab0cff294ec839e7b28d9a5da8"}}]}]}, 0x200}, 0x1, 0x0, 0x0, 0x8080}, 0x40) ioctl$SCSI_IOCTL_STOP_UNIT(r1, 0x6) [ 3059.552213] batman_adv: batadv0: Adding interface: veth75 [ 3059.557795] batman_adv: batadv0: The MTU of interface veth75 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 13:40:09 executing program 0: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xe) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) r1 = open(&(0x7f0000000140)='./file0\x00', 0x40002, 0x8) sendfile(r1, 0xffffffffffffffff, 0x0, 0x2008000fffffffe) ioctl$PIO_UNIMAPCLR(r1, 0x4b68, &(0x7f0000000040)={0x7, 0x6, 0xae}) [ 3059.638235] batman_adv: batadv0: Not using interface veth75 (retrying later): interface not active [ 3059.661353] batman_adv: batadv0: Adding interface: veth119 13:40:09 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x48, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) [ 3059.667011] batman_adv: batadv0: The MTU of interface veth119 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 13:40:09 executing program 0: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xe) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) r1 = open(&(0x7f0000000140)='./file0\x00', 0x40002, 0x8) sendfile(r1, 0xffffffffffffffff, 0x0, 0x2008000fffffffe) setsockopt$RXRPC_SECURITY_KEYRING(r1, 0x110, 0x2, &(0x7f0000000040)='/dev/ptmx\x00', 0xa) [ 3059.739108] batman_adv: batadv0: Not using interface veth119 (retrying later): interface not active 13:40:09 executing program 3: ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x3f00, &(0x7f0000000200)={&(0x7f0000000640)=@newlink={0x20, 0x11, 0x40d, 0xa, 0x0, {0x5, 0x0, 0x0, r3}}, 0x20}, 0x1, 0x3f00}, 0x0) 13:40:09 executing program 4: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x40002, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xf) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) [ 3059.868966] batman_adv: batadv0: Adding interface: veth145 [ 3059.879765] batman_adv: batadv0: The MTU of interface veth145 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 13:40:09 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x8, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) 13:40:09 executing program 0: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xe) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) r1 = dup(0xffffffffffffffff) ioctl$BLKIOMIN(r1, 0x1278, 0x0) write$P9_RSETATTR(r1, &(0x7f0000000180)={0x7}, 0x7) write$P9_RATTACH(r1, &(0x7f0000000100)={0xfffffffffffffd85, 0x69, 0x4001, {0x40, 0x2, 0x207}}, 0xd) r2 = dup(0xffffffffffffffff) ioctl$BLKIOMIN(r2, 0x1278, 0x0) write$P9_RSETATTR(r2, &(0x7f0000000180)={0x7}, 0x7) write$P9_RATTACH(r2, &(0x7f0000000100)={0xfffffffffffffd85, 0x69, 0x4001, {0x40, 0x2, 0x207}}, 0xd) ioctl$VIDIOC_TRY_EXT_CTRLS(r1, 0xc0205649, &(0x7f0000000100)={0xfffffff, 0x6, 0x7f, r2, 0x0, &(0x7f00000000c0)={0x990a61, 0x70ae, [], @p_u8=&(0x7f0000000040)=0x18}}) ioctl$TIOCGETD(r3, 0x5424, &(0x7f0000000140)) 13:40:09 executing program 4: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x40002, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xf) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) [ 3060.004700] batman_adv: batadv0: Not using interface veth145 (retrying later): interface not active 13:40:09 executing program 0: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xe) r1 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000040)='/proc/key-users\x00', 0x0, 0x0) ioctl$TIOCGPGRP(r1, 0x540f, &(0x7f00000000c0)) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) 13:40:09 executing program 3: ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x3f00, &(0x7f0000000200)={&(0x7f0000000640)=@newlink={0x20, 0x11, 0x40d, 0xa, 0x0, {0x5, 0x0, 0x0, r3}}, 0x20}, 0x1, 0x3f00}, 0x0) 13:40:09 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x4c, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) 13:40:09 executing program 4: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x40002, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xf) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) [ 3060.138145] batman_adv: batadv0: Adding interface: veth123 [ 3060.163466] batman_adv: batadv0: The MTU of interface veth123 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 13:40:09 executing program 0: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) syz_open_dev$ttys(0xc, 0x2, 0x1) r1 = dup(0xffffffffffffffff) ioctl$BLKIOMIN(r1, 0x1278, 0x0) write$P9_RSETATTR(r1, &(0x7f0000000180)={0x7}, 0x7) write$P9_RATTACH(r1, &(0x7f0000000100)={0xfffffffffffffd85, 0x69, 0x4001, {0x40, 0x2, 0x207}}, 0xd) ioctl$TIOCSETD(r1, 0x5423, &(0x7f0000000080)=0xe) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) 13:40:09 executing program 4: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x40002, 0x0) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) [ 3060.216163] batman_adv: batadv0: Not using interface veth123 (retrying later): interface not active 13:40:09 executing program 3: ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x3f00, &(0x7f0000000200)={&(0x7f0000000640)=@newlink={0x20, 0x11, 0x40d, 0xa, 0x0, {0x5, 0x0, 0x0, r3}}, 0x20}, 0x1, 0x3f00}, 0x0) [ 3060.271368] batman_adv: batadv0: Adding interface: veth147 [ 3060.277033] batman_adv: batadv0: The MTU of interface veth147 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 13:40:09 executing program 4: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x40002, 0x0) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) [ 3060.363346] batman_adv: batadv0: Not using interface veth147 (retrying later): interface not active 13:40:10 executing program 4: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x40002, 0x0) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) 13:40:10 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0xa, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) 13:40:10 executing program 0: r0 = openat$vga_arbiter(0xffffffffffffff9c, &(0x7f0000000040)='/dev/vga_arbiter\x00', 0x2200, 0x0) ioctl$IOC_PR_CLEAR(r0, 0x401070cd, &(0x7f00000000c0)={0x7f}) r1 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r1, 0x5423, &(0x7f0000000080)=0xe) r2 = syz_open_dev$audion(&(0x7f0000000100)='/dev/audio#\x00', 0x1d71, 0x10d000) read$dsp(r2, &(0x7f0000000140)=""/4096, 0x1000) ioctl$TIOCSETD(r1, 0x5412, &(0x7f0000000000)) 13:40:10 executing program 3: ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="48000000100005070000", @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x3f00, &(0x7f0000000200)={&(0x7f0000000640)=@newlink={0x20, 0x11, 0x40d, 0xa, 0x0, {0x5, 0x0, 0x0, r3}}, 0x20}, 0x1, 0x3f00}, 0x0) 13:40:10 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x60, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) 13:40:10 executing program 3: ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="48000000100005070000", @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x3f00, &(0x7f0000000200)={&(0x7f0000000640)=@newlink={0x20, 0x11, 0x40d, 0xa, 0x0, {0x5, 0x0, 0x0, r3}}, 0x20}, 0x1, 0x3f00}, 0x0) 13:40:10 executing program 4: ioctl$TIOCSETD(0xffffffffffffffff, 0x5423, &(0x7f0000000080)=0xf) ioctl$TIOCSETD(0xffffffffffffffff, 0x5412, &(0x7f0000000000)) 13:40:10 executing program 0: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xe) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)=0xfffffffe) [ 3060.645133] batman_adv: batadv0: Adding interface: veth149 13:40:10 executing program 4: ioctl$TIOCSETD(0xffffffffffffffff, 0x5423, &(0x7f0000000080)=0xf) ioctl$TIOCSETD(0xffffffffffffffff, 0x5412, &(0x7f0000000000)) [ 3060.672578] batman_adv: batadv0: The MTU of interface veth149 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 13:40:10 executing program 4: ioctl$TIOCSETD(0xffffffffffffffff, 0x5423, &(0x7f0000000080)=0xf) ioctl$TIOCSETD(0xffffffffffffffff, 0x5412, &(0x7f0000000000)) [ 3060.762236] batman_adv: batadv0: Not using interface veth149 (retrying later): interface not active 13:40:10 executing program 0: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xe) r1 = dup(0xffffffffffffffff) ioctl$BLKIOMIN(r1, 0x1278, 0x0) write$P9_RSETATTR(r1, &(0x7f0000000180)={0x7}, 0x7) write$P9_RATTACH(r1, &(0x7f0000000100)={0xfffffffffffffd85, 0x69, 0x4001, {0x40, 0x2, 0x207}}, 0xd) ioctl$int_out(r1, 0x5460, &(0x7f0000000180)) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) r2 = open(&(0x7f0000000140)='./file0\x00', 0x40002, 0x8) sendfile(r2, 0xffffffffffffffff, 0x0, 0x2008000fffffffe) accept$nfc_llcp(r2, &(0x7f00000000c0), &(0x7f0000000040)=0x60) [ 3060.860091] batman_adv: batadv0: Adding interface: veth125 [ 3060.873460] batman_adv: batadv0: The MTU of interface veth125 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 13:40:10 executing program 4: r0 = openat$ptmx(0xffffffffffffff9c, 0x0, 0x40002, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xf) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) [ 3060.916266] batman_adv: batadv0: Not using interface veth125 (retrying later): interface not active 13:40:10 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x68, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) 13:40:10 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0xc, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) 13:40:10 executing program 3: ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="48000000100005070000", @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x3f00, &(0x7f0000000200)={&(0x7f0000000640)=@newlink={0x20, 0x11, 0x40d, 0xa, 0x0, {0x5, 0x0, 0x0, r3}}, 0x20}, 0x1, 0x3f00}, 0x0) 13:40:10 executing program 4: r0 = openat$ptmx(0xffffffffffffff9c, 0x0, 0x40002, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xf) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) [ 3061.104652] batman_adv: batadv0: Adding interface: veth151 [ 3061.123364] batman_adv: batadv0: The MTU of interface veth151 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 13:40:10 executing program 4: r0 = openat$ptmx(0xffffffffffffff9c, 0x0, 0x40002, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xf) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) 13:40:10 executing program 0: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0x200000e) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) r1 = open(&(0x7f0000000140)='./file0\x00', 0x40002, 0x8) sendfile(r1, 0xffffffffffffffff, 0x0, 0x2008000fffffffe) ioctl$TIOCNXCL(r1, 0x540d) [ 3061.176685] batman_adv: batadv0: Not using interface veth151 (retrying later): interface not active 13:40:10 executing program 3: ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700000000000000", @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x3f00, &(0x7f0000000200)={&(0x7f0000000640)=@newlink={0x20, 0x11, 0x40d, 0xa, 0x0, {0x5, 0x0, 0x0, r3}}, 0x20}, 0x1, 0x3f00}, 0x0) [ 3061.246458] batman_adv: batadv0: Adding interface: veth127 [ 3061.271927] batman_adv: batadv0: The MTU of interface veth127 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 13:40:10 executing program 4: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xf) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) 13:40:10 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x6c, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) [ 3061.374326] batman_adv: batadv0: Not using interface veth127 (retrying later): interface not active 13:40:11 executing program 3: ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700000000000000", @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x3f00, &(0x7f0000000200)={&(0x7f0000000640)=@newlink={0x20, 0x11, 0x40d, 0xa, 0x0, {0x5, 0x0, 0x0, r3}}, 0x20}, 0x1, 0x3f00}, 0x0) 13:40:11 executing program 4: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(0xffffffffffffffff, 0x5423, &(0x7f0000000080)=0xf) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) 13:40:11 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0xe, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) [ 3061.466316] batman_adv: batadv0: Adding interface: veth155 [ 3061.480047] batman_adv: batadv0: The MTU of interface veth155 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 13:40:11 executing program 0: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TCFLSH(0xffffffffffffffff, 0x540b, 0x0) r1 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000080)='/dev/ocfs2_control\x00', 0x82101, 0x0) ioctl$TIOCSETD(r1, 0x5423, &(0x7f0000000bc0)=0x10) ioctl$TIOCSSOFTCAR(r0, 0x541a, &(0x7f0000000040)=0x6) r2 = shmget(0x0, 0x1000, 0x0, &(0x7f0000ffe000/0x1000)=nil) shmctl$IPC_STAT(r2, 0x2, 0x0) shmctl$SHM_STAT(r2, 0xd, &(0x7f0000000c00)=""/75) write$binfmt_elf32(r0, &(0x7f00000000c0)={{0x7f, 0x45, 0x4c, 0x46, 0x3, 0x4, 0x1f, 0x20, 0x0, 0x218da5f623ce37c8, 0xa9bf75b87a180547, 0x1e00, 0x387, 0x38, 0x361, 0x857, 0x1000, 0x20, 0x2, 0x4, 0x8, 0x8}, [{0x4, 0x5, 0x4, 0x0, 0x400, 0x5, 0x800, 0x7fffffff}], "8e3120a692c3ebb82f20e003fb1aee1be83bddee2521d61d21af4efc25d518a9eeabc53afe8d97c7aceace20ae4c4d5e884351cf10c3d2a8ade14d43e6e7fa0b95e0b3b35c44001354232568a3a774d14c231eefb4239f070f57c36d662ba9734ca4decb1281ca91eecd311cf47456e7d04ddccbe2648e964b8ccc31df50e2902b515cce74dc24701870b1e98adb27", [[], [], [], [], [], [], [], [], [], []]}, 0xae7) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) 13:40:11 executing program 4: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(0xffffffffffffffff, 0x5423, &(0x7f0000000080)=0xf) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) [ 3061.578586] batman_adv: batadv0: Not using interface veth155 (retrying later): interface not active 13:40:11 executing program 0: r0 = openat$vcsu(0xffffffffffffff9c, &(0x7f0000000040)='/dev/vcsu\x00', 0x101800, 0x0) fchmod(r0, 0x180) r1 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r1, 0x5423, &(0x7f0000000080)=0xe) ioctl$TIOCSETD(r1, 0x5412, &(0x7f0000000000)) ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r0, 0x40a85321, &(0x7f00000000c0)={{0x6, 0x1}, 'port1\x00', 0x2, 0x0, 0x66d, 0xf68b, 0x5, 0xdc88, 0x2, 0x0, 0x2}) 13:40:11 executing program 3: ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700000000000000", @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x3f00, &(0x7f0000000200)={&(0x7f0000000640)=@newlink={0x20, 0x11, 0x40d, 0xa, 0x0, {0x5, 0x0, 0x0, r3}}, 0x20}, 0x1, 0x3f00}, 0x0) 13:40:11 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x74, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) [ 3061.672951] batman_adv: batadv0: Adding interface: veth129 13:40:11 executing program 4: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(0xffffffffffffffff, 0x5423, &(0x7f0000000080)=0xf) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) [ 3061.730350] batman_adv: batadv0: The MTU of interface veth129 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 13:40:11 executing program 4: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, 0x0) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) [ 3061.850611] batman_adv: batadv0: Not using interface veth129 (retrying later): interface not active 13:40:11 executing program 4: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, 0x0) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) [ 3061.894839] batman_adv: batadv0: Adding interface: veth157 [ 3061.905888] batman_adv: batadv0: The MTU of interface veth157 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 3061.964119] batman_adv: batadv0: Not using interface veth157 (retrying later): interface not active 13:40:11 executing program 3: ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/18, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x3f00, &(0x7f0000000200)={&(0x7f0000000640)=@newlink={0x20, 0x11, 0x40d, 0xa, 0x0, {0x5, 0x0, 0x0, r3}}, 0x20}, 0x1, 0x3f00}, 0x0) 13:40:11 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x10, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) 13:40:11 executing program 4: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, 0x0) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) 13:40:11 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x7a, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) 13:40:11 executing program 0: r0 = open(&(0x7f0000000140)='./file0\x00', 0x40002, 0x8) sendfile(r0, 0xffffffffffffffff, 0x0, 0x2008000fffffffe) r1 = inotify_init1(0x0) fcntl$setown(r1, 0x8, 0xffffffffffffffff) fcntl$getownex(r1, 0x10, &(0x7f00000000c0)={0x0, 0x0}) tkill(r2, 0x13) write$P9_RGETLOCK(r0, &(0x7f0000000200)=ANY=[@ANYBLOB="280000003701000207000000000000000180000000000000", @ANYRES32=r2, @ANYBLOB="0a002f6465762f70746d7808d45d08c6373bfca29c3f958a0457cfa6"], 0x28) r3 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r3, 0x5423, &(0x7f0000000080)=0xe) ioctl$TIOCSETD(r3, 0x5412, &(0x7f0000000000)) r4 = open(&(0x7f0000000140)='./file0\x00', 0x40002, 0x8) sendfile(r4, 0xffffffffffffffff, 0x0, 0x2008000fffffffe) r5 = inotify_init1(0x0) fcntl$setown(r5, 0x8, 0xffffffffffffffff) tkill(0x0, 0x13) msgctl$IPC_SET(0x0, 0x1, &(0x7f00000002c0)={{0x3, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x82, 0x4b}, 0x0, 0x0, 0x3, 0x8001, 0x2558, 0x1, 0x8, 0x0, 0xfffa, 0x5}) ioctl$PIO_SCRNMAP(r4, 0x4b41, &(0x7f00000000c0)="094e53efe7ef86a6783381d0b95acd0ae9f021a6c9af32849bb3b8bc42d74987330a24c09132e1038b7583f46d9ae48ac34077485b157cef5a9d51d4b24f8f80dcecebf322b2bf3221b7f8a2fa6d6087f7ede0742bf20ce2c53ff5e26f85033255eae6cd5f95dc53c3f344105b53452b4f9f204663b7bd944dbfb9131b166d2c68663cbe8e74c9cd052ea4f45d9c731731c265951848d17c3f15b5e058a9a2") r6 = openat$hwrng(0xffffffffffffff9c, &(0x7f0000000040)='/dev/hwrng\x00', 0x2, 0x0) ioctl$KDGETKEYCODE(r6, 0x4b4c, &(0x7f0000000180)={0x1, 0x7}) 13:40:11 executing program 3: ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/18, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x3f00, &(0x7f0000000200)={&(0x7f0000000640)=@newlink={0x20, 0x11, 0x40d, 0xa, 0x0, {0x5, 0x0, 0x0, r3}}, 0x20}, 0x1, 0x3f00}, 0x0) [ 3062.131918] nla_parse: 51 callbacks suppressed [ 3062.131928] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 13:40:11 executing program 0: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) r1 = open(&(0x7f0000000140)='./file0\x00', 0x40002, 0x8) sendfile(r1, 0xffffffffffffffff, 0x0, 0x2008000fffffffe) mmap$xdp(&(0x7f0000ffb000/0x3000)=nil, 0x3000, 0x1, 0x8010, r1, 0x80000000) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xe) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) 13:40:11 executing program 4: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) [ 3062.274550] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. 13:40:11 executing program 4: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) 13:40:11 executing program 0: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x25c755e13064382a, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xe) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) r1 = open(&(0x7f0000000140)='./file0\x00', 0x40002, 0x8) sendfile(r1, 0xffffffffffffffff, 0x0, 0x2008000fffffffe) ioctl$TIOCCONS(r1, 0x541d) r2 = open(&(0x7f0000000140)='./file0\x00', 0x40002, 0x8) sendfile(r2, 0xffffffffffffffff, 0x0, 0x2008000fffffffe) flock(r2, 0x2fd5ba3ece3b5373) [ 3062.339234] batman_adv: batadv0: Adding interface: veth131 [ 3062.357091] batman_adv: batadv0: The MTU of interface veth131 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 3062.418674] batman_adv: batadv0: Not using interface veth131 (retrying later): interface not active [ 3062.448539] batman_adv: batadv0: Adding interface: veth159 13:40:12 executing program 4: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) [ 3062.459187] batman_adv: batadv0: The MTU of interface veth159 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 3062.499412] batman_adv: batadv0: Not using interface veth159 (retrying later): interface not active 13:40:12 executing program 0: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0x200000e) [ 3062.518440] netlink: 20 bytes leftover after parsing attributes in process `syz-executor.3'. [ 3062.542675] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 13:40:12 executing program 3: ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/18, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x3f00, &(0x7f0000000200)={&(0x7f0000000640)=@newlink={0x20, 0x11, 0x40d, 0xa, 0x0, {0x5, 0x0, 0x0, r3}}, 0x20}, 0x1, 0x3f00}, 0x0) [ 3062.569878] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. 13:40:12 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x48, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) 13:40:12 executing program 4: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xf) ioctl$TIOCSETD(0xffffffffffffffff, 0x5412, &(0x7f0000000000)) 13:40:12 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0xf0, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) [ 3062.669788] netlink: 20 bytes leftover after parsing attributes in process `syz-executor.3'. 13:40:12 executing program 0: r0 = dup(0xffffffffffffffff) ioctl$BLKIOMIN(r0, 0x1278, 0x0) write$P9_RSETATTR(r0, &(0x7f0000000180)={0x7}, 0x7) r1 = open(&(0x7f0000000140)='./file0\x00', 0x40002, 0x8) sendfile(r1, 0xffffffffffffffff, 0x0, 0x2008000fffffffe) write$P9_RATTACH(r1, &(0x7f0000000100)={0x14, 0x69, 0x4001, {0x40, 0x2, 0x207}}, 0x14) setsockopt$inet_sctp6_SCTP_NODELAY(r0, 0x84, 0x3, &(0x7f0000000040)=0x20, 0x4) r2 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r2, 0x5423, &(0x7f0000000080)=0xe) ioctl$TIOCSETD(r2, 0x5412, &(0x7f0000000000)) getsockname$packet(0xffffffffffffffff, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xe) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)=ANY=[@ANYBLOB="662a38000000240007050000004007a2a300", @ANYRES32=r3, @ANYBLOB="000070d5fffffdff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000300)=ANY=[@ANYBLOB='h\x00\x00\x00,\x00\'\r\x00'/20, @ANYRES32=r3, @ANYBLOB], 0x68}}, 0x0) ioctl$sock_ipv4_tunnel_SIOCDELTUNNEL(r0, 0x89f2, &(0x7f0000000300)={'erspan0\x00', &(0x7f0000000280)={'ip_vti0\x00', r3, 0x7800, 0x8, 0x8001, 0x9, {{0x11, 0x4, 0x1, 0x7, 0x44, 0x67, 0x0, 0x2, 0x29, 0x0, @loopback, @multicast1, {[@timestamp={0x44, 0xc, 0xb6, 0x0, 0x9, [0x0, 0x7]}, @timestamp={0x44, 0x24, 0xd3, 0x0, 0x7, [0x6, 0xff, 0x200, 0x6, 0x0, 0x3, 0x2, 0x4]}]}}}}}) sendmsg$nl_route_sched(r1, &(0x7f0000000400)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f00000003c0)={&(0x7f0000000340)=@gettfilter={0x4c, 0x2e, 0x1, 0x70bd26, 0x25dfdbfe, {0x0, 0x0, 0x0, r4, {0x0, 0xb}, {0x7, 0x6}, {0x2, 0xfffe}}, [{0x8, 0xb, 0x80000001}, {0x8, 0xb, 0x46d}, {0x8, 0xb, 0x3f}, {0x8, 0xb, 0x2d54b63}, {0x8, 0xb, 0x9}]}, 0x4c}, 0x1, 0x0, 0x0, 0x804}, 0x0) 13:40:12 executing program 3: ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/19, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x3f00, &(0x7f0000000200)={&(0x7f0000000640)=@newlink={0x20, 0x11, 0x40d, 0xa, 0x0, {0x5, 0x0, 0x0, r3}}, 0x20}, 0x1, 0x3f00}, 0x0) [ 3062.714049] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. 13:40:12 executing program 4: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xf) ioctl$TIOCSETD(0xffffffffffffffff, 0x5412, &(0x7f0000000000)) 13:40:12 executing program 0: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) r1 = open(&(0x7f0000000140)='./file0\x00', 0x40002, 0x4d) sendfile(r1, 0xffffffffffffffff, 0x0, 0x2008000fffffffe) sendmsg$can_raw(r1, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000040)={&(0x7f00000000c0)=@canfd={{0x1, 0x1, 0x1}, 0xb, 0x2, 0x0, 0x0, "1c790c46db4d6fbd9c5d024a9523645c8207d9b1cf4bbd504b2a9b643237c32472c973604f549b76a5e12c7d86d1b757b30d7a05928e9ca134f0ce38e94344ec"}, 0x48}, 0x1, 0x0, 0x0, 0x20000000}, 0x4000000) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xe) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) r2 = dup(0xffffffffffffffff) ioctl$BLKIOMIN(r2, 0x1278, 0x0) write$P9_RSETATTR(r2, &(0x7f0000000180)={0x7}, 0x7) write$P9_RATTACH(r2, &(0x7f0000000100)={0xfffffffffffffd85, 0x69, 0x4001, {0x40, 0x2, 0x207}}, 0xd) setsockopt$inet6_tcp_TLS_TX(r2, 0x6, 0x1, &(0x7f0000000180)=@ccm_128={{0x303}, "c185a6c7de132b38", "550e90972c7a0b4d65417426c964c6cc", "203056eb", "ad89f3b5263408ab"}, 0x28) r3 = openat$full(0xffffffffffffff9c, &(0x7f00000001c0)='/dev/full\x00', 0x480000, 0x0) ioctl$KVM_XEN_HVM_CONFIG(r3, 0x4038ae7a, &(0x7f0000000380)={0xa2d, 0xb84, &(0x7f0000000200)="1461e8d1dd02090e7d78ec7c4c742341a1a9fee8327f0d43fee1736b48e16eff159357c8b9c291d46b428cdfb1b80e9fc3ab0c871fadcd848dfd0f1fb5aabc74bc39e4d0f63290bd38799fa5313cf26e910bccfbabfb540f3d3ee17baf51c5e3d55297a228d6035fcd1b83700044de2011dc8b0780521e3f2b3ba12b209c833d5e8004f94c690ae4b1e6f74d581ac9", &(0x7f00000002c0)="d0545c2f2ee22a580824ea99b97d86b2a7bc89cd60de2eb070ba3e5dd4858cbe67dd1cc2ed228e2da550e6bd1cc3498d79f76acc10d6d9bbeb348b9c6e360e0060ec1b81280fcee10090dc958652ae2497c48bfeb1f31569a97e9257e8d690b618dc8ad26055edd03d3ed918d0f3b45110606d468855ff5b5ec16a1bd9ac7f1843d9be2e85f8879b1f297897f04fb5361d4339c901d4d80279e9a323f9d5e18df165ed30bb3870fae159b77210b9d35b763dfa79174558b3ff01b0e8e585", 0x8f, 0xbe}) [ 3062.799509] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 13:40:12 executing program 4: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xf) ioctl$TIOCSETD(0xffffffffffffffff, 0x5412, &(0x7f0000000000)) [ 3062.894912] batman_adv: batadv0: Adding interface: veth161 [ 3062.903457] batman_adv: batadv0: The MTU of interface veth161 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 13:40:12 executing program 0: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000040)=0x12) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) [ 3062.971363] batman_adv: batadv0: Not using interface veth161 (retrying later): interface not active 13:40:12 executing program 4: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xf) ioctl$TIOCSETD(r0, 0x5412, 0x0) [ 3063.013380] batman_adv: batadv0: Adding interface: veth133 [ 3063.019074] batman_adv: batadv0: The MTU of interface veth133 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 13:40:12 executing program 4: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xf) ioctl$TIOCSETD(r0, 0x5412, 0x0) 13:40:12 executing program 0: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) r1 = fcntl$dupfd(r0, 0x406, r0) r2 = socket$inet(0x2, 0x4000000000000001, 0x0) sendto$inet(r2, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) r3 = socket(0xa, 0x1, 0x0) close(r3) r4 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r4, 0x84, 0x6e, &(0x7f0000000180)=[@in6={0xa, 0x0, 0x0, @remote, 0x9}], 0x1c) getsockopt$inet_sctp6_SCTP_GET_ASSOC_ID_LIST(r4, 0x84, 0x1d, &(0x7f000095dff8)={0x1, [0x0]}, &(0x7f000095dffc)=0x8) sendmmsg$inet_sctp(r3, &(0x7f0000002cc0)=[{0x0, 0x29e, 0x0, 0x0, &(0x7f00000016c0)=[@sndinfo={0x20, 0x84, 0x2, {0x0, 0x4, 0x0, 0x0, r5}}], 0x20}], 0x1, 0x0) setsockopt$inet_sctp_SCTP_AUTH_ACTIVE_KEY(r2, 0x84, 0x18, &(0x7f0000000000)={r5, 0x9}, 0x8) getsockopt$inet_sctp_SCTP_GET_PEER_ADDRS(r1, 0x84, 0x6c, &(0x7f00000000c0)={r5, 0x62, "698db4632ca353787d51df1d2119ff6de50fed61e4289ecf390a108c09ec78129e1fa8c6d60a138d1dd6ae300d5a81fea0552ccbe38e445c51ccda830899b742e6562279745114edf0b8a166634f5e7ffb35c6df3cb1e020b8677ebc319f9e697b13"}, &(0x7f0000000040)=0x6a) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xe) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) [ 3063.131481] batman_adv: batadv0: Not using interface veth133 (retrying later): interface not active [ 3063.188813] netlink: 40 bytes leftover after parsing attributes in process `syz-executor.3'. [ 3063.203284] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. 13:40:12 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x4c, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) 13:40:12 executing program 4: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xf) ioctl$TIOCSETD(r0, 0x5412, 0x0) 13:40:12 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x300, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) 13:40:12 executing program 3: ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/19, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x3f00, &(0x7f0000000200)={&(0x7f0000000640)=@newlink={0x20, 0x11, 0x40d, 0xa, 0x0, {0x5, 0x0, 0x0, r3}}, 0x20}, 0x1, 0x3f00}, 0x0) 13:40:12 executing program 3: ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/19, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x3f00, &(0x7f0000000200)={&(0x7f0000000640)=@newlink={0x20, 0x11, 0x40d, 0xa, 0x0, {0x5, 0x0, 0x0, r3}}, 0x20}, 0x1, 0x3f00}, 0x0) 13:40:12 executing program 4: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x40002, 0x0) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) 13:40:13 executing program 0: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) openat$autofs(0xffffffffffffff9c, &(0x7f0000000400)='/dev/autofs\x00', 0x8ad80, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0x8000040c) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) r1 = openat$vsock(0xffffffffffffff9c, &(0x7f0000000040)='/dev/vsock\x00', 0x80, 0x0) getsockname$packet(0xffffffffffffffff, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xe) r3 = dup(0xffffffffffffffff) ioctl$BLKIOMIN(r3, 0x1278, 0x0) write$P9_RSETATTR(r3, &(0x7f0000000180)={0x7}, 0x7) write$P9_RATTACH(r3, &(0x7f0000000100)={0xfffffffffffffd85, 0x69, 0x4001, {0x40, 0x2, 0x207}}, 0xd) getsockname$packet(0xffffffffffffffff, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xe) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)=ANY=[@ANYBLOB="662a38000000240007050000004007a2a300", @ANYRES32=r4, @ANYBLOB="000070d5fffffdff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000300)=ANY=[@ANYBLOB='h\x00\x00\x00,\x00\'\r\x00'/20, @ANYRES32=r4, @ANYBLOB], 0x68}}, 0x0) clock_gettime(0x0, &(0x7f0000000280)={0x0, 0x0}) sendmsg$can_bcm(r3, &(0x7f00000003c0)={&(0x7f00000001c0)={0x1d, r4}, 0x10, &(0x7f00000002c0)={&(0x7f0000000340)={0x5, 0x100, 0x4, {r5, r6/1000+10000}, {0x77359400}, {0x3, 0x1}, 0x1, @canfd={{0x2, 0x1, 0x0, 0x1}, 0x3a, 0x0, 0x0, 0x0, "51c8e52c555bd3c12bbac5d0991cd1694a4e61b2cbe1624b1b729ae478768f54ba0de770632de115d3d8e6ab3290fe8db48a2128e052c8f1d9499e2fad3654ab"}}, 0x80}, 0x1, 0x0, 0x0, 0x20000000}, 0x4000080) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)=ANY=[@ANYBLOB="662a69c3c00a000100c77e00044024a2a340", @ANYRES32=r2, @ANYBLOB="000070d5fffffdff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000300)=ANY=[@ANYBLOB='h\x00\x00\x00,\x00\'\r\x00'/20, @ANYRES32=r2, @ANYBLOB], 0x68}}, 0x0) sysfs$1(0x1, &(0x7f0000000440)='ip6_vti0\x00') ioctl$sock_ipv6_tunnel_SIOCGET6RD(r1, 0x89f8, &(0x7f0000000140)={'ip6_vti0\x00', &(0x7f00000000c0)={'ip6tnl0\x00', r2, 0x29, 0x4, 0x7, 0x3eb04a4c, 0x24, @dev={0xfe, 0x80, [], 0x14}, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01', 0x20, 0x10, 0x8, 0x2}}) ioctl$TCSBRKP(r1, 0x5425, 0x8) [ 3063.417696] batman_adv: batadv0: Adding interface: veth135 [ 3063.434326] batman_adv: batadv0: The MTU of interface veth135 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 13:40:13 executing program 4: openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(0xffffffffffffffff, 0x4020ae46, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000000000/0x18000)=nil, &(0x7f00000000c0)=[@text64={0x40, 0x0}], 0x1, 0x0, 0x0, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r4}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x3f00, &(0x7f0000000200)={&(0x7f0000000640)=@newlink={0x20, 0x11, 0x40d, 0x0, 0x0, {0x5, 0x0, 0x0, r4}}, 0x20}, 0x1, 0x3f00}, 0x0) [ 3063.518154] Unknown ioctl 35320 [ 3063.522833] Unknown ioctl 21541 [ 3063.531414] batman_adv: batadv0: Not using interface veth135 (retrying later): interface not active 13:40:13 executing program 0: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xe) r1 = dup(0xffffffffffffffff) r2 = open(&(0x7f0000000140)='./file0\x00', 0x40002, 0x8) sendfile(r2, 0xffffffffffffffff, 0x0, 0x2008000fffffffe) r3 = ioctl$NS_GET_PARENT(r2, 0xb702, 0x0) ioctl$FS_IOC_FSSETXATTR(r3, 0x401c5820, &(0x7f0000000000)={0x5, 0x5, 0xffffffff, 0x10001, 0x7}) ioctl$BLKIOMIN(r1, 0x1278, 0x0) write$P9_RSETATTR(r1, &(0x7f0000000180)={0x7}, 0x7) r4 = dup(0xffffffffffffffff) ioctl$BLKIOMIN(r4, 0x1278, 0x0) write$P9_RSETATTR(r4, &(0x7f0000000180)={0x7}, 0x7) write$P9_RATTACH(r4, &(0x7f0000000100)={0x14, 0x69, 0x3ffd, {0x2, 0x4, 0x207}}, 0x14) ioctl$EVIOCSABS20(r4, 0x401845e0, &(0x7f00000000c0)={0x6402, 0x5, 0x8000, 0x0, 0x0, 0x8}) write$P9_RATTACH(r1, &(0x7f0000000100)={0xfffffffffffffd85, 0x69, 0x4001, {0x40, 0x2, 0x207}}, 0xd) ioctl$TIOCSETD(r1, 0x5412, &(0x7f0000000040)=0x4) [ 3063.559084] Unknown ioctl 35320 [ 3063.568061] batman_adv: batadv0: Adding interface: veth163 [ 3063.574811] batman_adv: batadv0: The MTU of interface veth163 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 13:40:13 executing program 3: ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) socket$nl_route(0x10, 0x3, 0x0) r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000140)={0x0, 0x3f00, &(0x7f0000000200)={&(0x7f0000000640)=@newlink={0x20, 0x11, 0x40d, 0xa, 0x0, {0x5, 0x0, 0x0, r2}}, 0x20}, 0x1, 0x3f00}, 0x0) [ 3063.625433] batman_adv: batadv0: Not using interface veth163 (retrying later): interface not active 13:40:13 executing program 0: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x200, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xe) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) [ 3063.734334] batman_adv: batadv0: Adding interface: veth77 [ 3063.739930] batman_adv: batadv0: The MTU of interface veth77 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 3063.768785] batman_adv: batadv0: Not using interface veth77 (retrying later): interface not active 13:40:13 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x60, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) [ 3063.802391] batman_adv: batadv0: Removing interface: veth77 13:40:13 executing program 0: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xe) r1 = dup(0xffffffffffffffff) ioctl$BLKIOMIN(r1, 0x1278, 0x0) write$P9_RSETATTR(r1, &(0x7f0000000180)={0x7}, 0x7) write$P9_RATTACH(r1, &(0x7f0000000100)={0xfffffffffffffd85, 0x69, 0x4001, {0x40, 0x2, 0x207}}, 0xd) r2 = socket$inet(0x2, 0x4000000000000001, 0x0) sendto$inet(r2, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) r3 = socket(0x2, 0x3, 0x0) close(r3) r4 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r4, 0x84, 0x6e, &(0x7f0000000180)=[@in6={0xa, 0x0, 0x0, @remote, 0x9}], 0x1c) getsockopt$inet_sctp6_SCTP_GET_ASSOC_ID_LIST(r4, 0x84, 0x1d, &(0x7f000095dff8)={0x1, [0x0]}, &(0x7f000095dffc)=0x8) sendmmsg$inet_sctp(r3, &(0x7f0000002cc0), 0x0, 0x0) setsockopt$inet_sctp_SCTP_AUTH_ACTIVE_KEY(r2, 0x84, 0x18, &(0x7f0000000000)={r5, 0x9}, 0x8) setsockopt$inet_sctp6_SCTP_AUTH_DEACTIVATE_KEY(r1, 0x84, 0x23, &(0x7f0000000040)={r5, 0xea}, 0x8) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) 13:40:13 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x500, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) 13:40:13 executing program 3: ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) socket$nl_route(0x10, 0x3, 0x0) r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000140)={0x0, 0x3f00, &(0x7f0000000200)={&(0x7f0000000640)=@newlink={0x20, 0x11, 0x40d, 0xa, 0x0, {0x5, 0x0, 0x0, r2}}, 0x20}, 0x1, 0x3f00}, 0x0) 13:40:13 executing program 4 (fault-call:2 fault-nth:0): r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xf) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) 13:40:13 executing program 3: ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) socket$nl_route(0x10, 0x3, 0x0) r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r2, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000140)={0x0, 0x3f00, &(0x7f0000000200)={&(0x7f0000000640)=@newlink={0x20, 0x11, 0x40d, 0xa, 0x0, {0x5, 0x0, 0x0, r2}}, 0x20}, 0x1, 0x3f00}, 0x0) [ 3064.047368] batman_adv: batadv0: Adding interface: veth165 [ 3064.056776] batman_adv: batadv0: The MTU of interface veth165 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 13:40:13 executing program 4: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xf) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) [ 3064.138563] batman_adv: batadv0: Not using interface veth165 (retrying later): interface not active [ 3064.160991] batman_adv: batadv0: Adding interface: veth139 13:40:13 executing program 4: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xf) ioctl$TIOCSETD(r0, 0x2, &(0x7f0000000000)) [ 3064.170860] batman_adv: batadv0: The MTU of interface veth139 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 3064.205349] batman_adv: batadv0: Not using interface veth139 (retrying later): interface not active 13:40:13 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x600, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) 13:40:13 executing program 3: ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, 0x0, 0x0) 13:40:13 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x68, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) 13:40:13 executing program 4: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xf) ioctl$TIOCSETD(r0, 0x4b47, &(0x7f0000000000)) 13:40:14 executing program 3: ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, 0x0, 0x0) [ 3064.434368] batman_adv: batadv0: Adding interface: veth167 [ 3064.450525] batman_adv: batadv0: The MTU of interface veth167 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 3064.519520] batman_adv: batadv0: Not using interface veth167 (retrying later): interface not active [ 3064.572901] batman_adv: batadv0: Adding interface: veth141 [ 3064.578661] batman_adv: batadv0: The MTU of interface veth141 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 3064.607440] batman_adv: batadv0: Not using interface veth141 (retrying later): interface not active 13:40:14 executing program 3: ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, 0x0, 0x0) 13:40:14 executing program 4: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xf) ioctl$TIOCSETD(r0, 0x4b49, &(0x7f0000000000)) 13:40:14 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x700, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) 13:40:14 executing program 0: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xe) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) r1 = open(&(0x7f0000000140)='./file0\x00', 0x40002, 0x8) sendfile(r1, 0xffffffffffffffff, 0x0, 0x2008000fffffffe) r2 = open(&(0x7f0000000140)='./file0\x00', 0x40002, 0x8) sendfile(r2, 0xffffffffffffffff, 0x0, 0x2008000fffffffe) setsockopt$IP_VS_SO_SET_ZERO(r2, 0x0, 0x48f, &(0x7f0000000100)={0x0, @empty, 0x4e20, 0x4, 'sed\x00', 0x15, 0xfffffff9, 0x72}, 0x2c) r3 = inotify_init1(0x0) fcntl$setown(r3, 0x8, 0xffffffffffffffff) fcntl$getownex(r3, 0x10, &(0x7f00000000c0)={0x0, 0x0}) tkill(r4, 0x13) ioctl$TIOCSPGRP(r1, 0x5410, &(0x7f0000000040)=r4) 13:40:14 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x6c, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) 13:40:14 executing program 3: ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, 0x0, 0x1, 0x3f00}, 0x0) 13:40:14 executing program 4: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xf) ioctl$TIOCSETD(r0, 0x5409, &(0x7f0000000000)) [ 3064.945346] batman_adv: batadv0: Adding interface: veth169 [ 3064.951595] batman_adv: batadv0: The MTU of interface veth169 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 13:40:14 executing program 0: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) r1 = openat$vsock(0xffffffffffffff9c, &(0x7f0000000040)='/dev/vsock\x00', 0x60d00, 0x0) ioctl$TIOCSETD(r1, 0x5423, &(0x7f00000000c0)=0x18) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) 13:40:14 executing program 4: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xf) ioctl$TIOCSETD(r0, 0x540b, &(0x7f0000000000)) [ 3065.050435] batman_adv: batadv0: Not using interface veth169 (retrying later): interface not active [ 3065.090096] Unknown ioctl 21539 [ 3065.128966] batman_adv: batadv0: Adding interface: veth143 [ 3065.130822] Unknown ioctl 21539 [ 3065.154202] batman_adv: batadv0: The MTU of interface veth143 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 13:40:14 executing program 0: r0 = open(&(0x7f0000000140)='./file0\x00', 0x40002, 0x8) sendfile(r0, 0xffffffffffffffff, 0x0, 0x2008000fffffffe) r1 = dup(0xffffffffffffffff) ioctl$BLKIOMIN(r1, 0x1278, 0x0) write$P9_RSETATTR(r1, &(0x7f0000000180)={0x7}, 0x7) write$P9_RATTACH(r1, &(0x7f0000000100)={0xfffffffffffffd85, 0x69, 0x4001, {0x40, 0x2, 0x207}}, 0xd) r2 = dup(0xffffffffffffffff) ioctl$BLKIOMIN(r2, 0x1278, 0x0) write$P9_RSETATTR(r2, &(0x7f0000000180)={0x7}, 0x7) write$P9_RATTACH(r2, &(0x7f0000000100)={0xfffffffffffffd85, 0x69, 0x1, {0x40, 0x80, 0x207}}, 0x4a) ioctl$TIOCSETD(r2, 0x5423, &(0x7f0000000080)=0x7) ioctl$TIOCSETD(0xffffffffffffffff, 0x5412, &(0x7f0000000000)=0x1b) 13:40:14 executing program 4: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xf) ioctl$TIOCSETD(r0, 0x540c, &(0x7f0000000000)) [ 3065.234055] batman_adv: batadv0: Not using interface veth143 (retrying later): interface not active 13:40:14 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0xa00, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) 13:40:14 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x74, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) 13:40:15 executing program 3: ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, 0x0, 0x1, 0x3f00}, 0x0) 13:40:15 executing program 4: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xf) ioctl$TIOCSETD(r0, 0x540d, &(0x7f0000000000)) 13:40:15 executing program 4: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xf) ioctl$TIOCSETD(r0, 0x5413, &(0x7f0000000000)) 13:40:15 executing program 0: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xe) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) r1 = dup(0xffffffffffffffff) ioctl$BLKIOMIN(r1, 0x1278, 0x0) r2 = dup(0xffffffffffffffff) ioctl$BLKIOMIN(r2, 0x1278, 0x0) write$P9_RSETATTR(r2, &(0x7f0000000180)={0x7}, 0x7) write$P9_RATTACH(r2, &(0x7f0000000100)={0xfffffffffffffd85, 0x69, 0x4001, {0x40, 0x2, 0x207}}, 0xd) r3 = open(&(0x7f0000000140)='./file0\x00', 0x40002, 0x8) sendfile(r3, 0xffffffffffffffff, 0x0, 0x2008000fffffffe) r4 = open(&(0x7f0000000140)='./file0\x00', 0x40002, 0x8) sendfile(r4, 0xffffffffffffffff, 0x0, 0x2008000fffffffe) write$P9_RSETATTR(r4, &(0x7f00000001c0)={0x7, 0x1b, 0x2}, 0x7) write$P9_RATTACH(r1, &(0x7f0000000100)={0xfffffffffffffd85, 0x69, 0x4001, {0x40, 0x2, 0x207}}, 0xd) r5 = syz_genetlink_get_family_id$tipc2(&(0x7f00000000c0)='TIPCv2\x00') sendmsg$TIPC_NL_MEDIA_GET(r1, &(0x7f0000000380)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000340)={&(0x7f00000003c0)=ANY=[@ANYBLOB="24020957ed1fbdc8e98101f700"/23, @ANYRES16=r5, @ANYBLOB="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"], 0x224}, 0x1, 0x0, 0x0, 0x24000}, 0x20040004) [ 3065.528374] batman_adv: batadv0: Adding interface: veth171 [ 3065.541337] batman_adv: batadv0: The MTU of interface veth171 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 13:40:15 executing program 4: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xf) ioctl$TIOCSETD(r0, 0x5414, &(0x7f0000000000)) [ 3065.634289] batman_adv: batadv0: Not using interface veth171 (retrying later): interface not active [ 3065.688385] batman_adv: batadv0: Adding interface: veth145 13:40:15 executing program 0: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xe) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) r1 = open(&(0x7f0000000140)='./file0\x00', 0x40002, 0x8) sendfile(r1, 0xffffffffffffffff, 0x0, 0x2008000fffffffe) ioctl$TCSETS(r1, 0x5402, &(0x7f0000000040)={0x1, 0x1, 0x4520, 0x2, 0x12, "f592a325ad829f63d9a4a2beccf01cbf755a26"}) [ 3065.716576] batman_adv: batadv0: The MTU of interface veth145 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 13:40:15 executing program 3: ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, 0x0, 0x1, 0x3f00}, 0x0) 13:40:15 executing program 4: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xf) ioctl$TIOCSETD(r0, 0x5415, &(0x7f0000000000)) [ 3065.837685] batman_adv: batadv0: Not using interface veth145 (retrying later): interface not active 13:40:15 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0xc00, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) 13:40:15 executing program 0: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) r1 = syz_open_dev$ttys(0xc, 0x2, 0x1) ioctl$TIOCSETD(r1, 0x5423, &(0x7f0000000080)=0xd) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)=0x8) r2 = open(&(0x7f0000000140)='./file0\x00', 0x40002, 0x8) sendfile(r2, 0xffffffffffffffff, 0x0, 0x2008000fffffffe) connect$vsock_dgram(r2, &(0x7f0000000040)={0x28, 0x0, 0x2711, @my=0x0}, 0x10) 13:40:15 executing program 3: ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000200)={0x0}, 0x1, 0x3f00}, 0x0) 13:40:15 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x7a, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) 13:40:15 executing program 4: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xf) ioctl$TIOCSETD(r0, 0x5416, &(0x7f0000000000)) 13:40:15 executing program 0: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xe) r1 = dup(0xffffffffffffffff) ioctl$BLKIOMIN(r1, 0x1278, 0x0) write$P9_RSETATTR(r1, &(0x7f0000000180)={0x7}, 0x7) write$P9_RATTACH(r1, &(0x7f0000000100)={0xfffffffffffffd85, 0x69, 0x4001, {0x40, 0x2, 0x207}}, 0xd) write$UHID_CREATE(r1, &(0x7f00000001c0)={0x0, {'syz1\x00', 'syz0\x00', 'syz1\x00', &(0x7f00000000c0)=""/193, 0xc1, 0x6, 0xb2e, 0x3, 0xffffffb4}}, 0x120) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) [ 3066.116124] batman_adv: batadv0: Adding interface: veth173 [ 3066.131672] batman_adv: batadv0: The MTU of interface veth173 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 13:40:15 executing program 3: ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000200)={0x0}, 0x1, 0x3f00}, 0x0) 13:40:15 executing program 4: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xf) ioctl$TIOCSETD(r0, 0x5418, &(0x7f0000000000)) [ 3066.185578] batman_adv: batadv0: Not using interface veth173 (retrying later): interface not active [ 3066.250905] batman_adv: batadv0: Adding interface: veth147 [ 3066.256569] batman_adv: batadv0: The MTU of interface veth147 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 13:40:15 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0xe00, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) [ 3066.292167] batman_adv: batadv0: Not using interface veth147 (retrying later): interface not active 13:40:15 executing program 0: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xe) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) r1 = open(&(0x7f0000000140)='./file0\x00', 0x40002, 0x8) r2 = dup(0xffffffffffffffff) ioctl$BLKIOMIN(r2, 0x1278, 0x0) write$P9_RSETATTR(r2, &(0x7f0000000180)={0x7}, 0x7) write$P9_RATTACH(r2, &(0x7f0000000100)={0xfffffffffffffd85, 0x69, 0x4001, {0x40, 0x2, 0x207}}, 0xd) ioctl$TIOCSETD(r2, 0x5423, &(0x7f00000001c0)=0x7) sendfile(r1, r1, 0x0, 0x10000000009) r3 = syz_genetlink_get_family_id$batadv(&(0x7f00000000c0)='batadv\x00') sendmsg$BATADV_CMD_GET_HARDIF(r1, &(0x7f0000000180)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000140)={&(0x7f0000000100)={0x24, r3, 0x400, 0x70bd2a, 0x25dfdbfd, {}, [@BATADV_ATTR_DISTRIBUTED_ARP_TABLE_ENABLED={0x5, 0x2f, 0x1}, @BATADV_ATTR_GW_BANDWIDTH_UP={0x8, 0x32, 0x4}]}, 0x24}, 0x1, 0x0, 0x0, 0x4000008}, 0x48800) 13:40:15 executing program 3: ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000200)={0x0}, 0x1, 0x3f00}, 0x0) 13:40:16 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0xf0, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) 13:40:16 executing program 4: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xf) ioctl$TIOCSETD(r0, 0x541b, &(0x7f0000000000)) [ 3066.458384] batman_adv: batadv0: Adding interface: veth175 13:40:16 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x2080, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xe) r1 = add_key$user(&(0x7f0000000300)='user\x00', &(0x7f0000000180)={'syz', 0x2}, &(0x7f0000000400)='\x00', 0x1, 0xfffffffffffffffd) keyctl$invalidate(0x15, r1) keyctl$instantiate_iov(0x14, r1, &(0x7f0000000480)=[{&(0x7f0000000240)="6371c0d2eb94276ccb4c542bf37603447af1881eb1aa7b1431081d4d5c82acefca2ec3a4451e5759f6f8816e7b8c269e458a384fbcda83c9b9e5796258e27344eebbde4691c0afc1345526d7efbd1f9dc103128a740cc9177b29518f73972b8fa94189b76c3e44bbd4083e23764cc3568541de92de16a91ab0f75c55efa29dc7a4d7076c28162ee0b68a1d8210a1eee8b9323a50e1ab3ee6631942dd6d0a780390671a0e210934781bfdaa0be282c28fb839aec95eb64ea658d1b4e634d40db2f9c7bd72865990bd0953683c91c3c8b213d80dbfc3d39000c377a3e5750a2557c923ed18471984e272e2b834a8270c", 0xef}, {&(0x7f0000000340)="c17534cc3de6843235ca3ccd88c147fc910ad14c0ef67a24fcf3fe1e78dbd03b97f96467800056e702d150f6492e5410328bf15f8fe633cc2ffbbc812909961d64c70c335a4e2d1d1afa09b3790247b7bf4fa36c8358098941e6284c01011d1443d99f58be516850bb5c73f61cf3a2519ae1a2acb50b8a2965e009c9c36bf499a3ed75c495908c3049a2c8e2165fb4e58722d0c17425c110730ddc003cd0d9a8775129cd2403b3185741a6f9e5ed1278381f37a2839ab8346a1ca87d84644429ea5759e0fb1a16cd1fd11e317f5354ba0e981ccf1c5e4d2c5acd90b56e4ed2df380cd8820d721e78", 0xe8}, {&(0x7f0000000440)="eb333c26c9104b7fb39710ca0f17a80bc7c8fb9614f84df458c150c5842d68262af6a3696d3dbd7d33a4", 0x2a}], 0x3, 0x0) r2 = dup(0xffffffffffffffff) ioctl$BLKIOMIN(r2, 0x1278, 0x0) write$P9_RSETATTR(r2, &(0x7f0000000180)={0x7}, 0x7) write$P9_RATTACH(r2, &(0x7f0000000100)={0x14, 0x69, 0x4001, {0x40, 0x0, 0x207}}, 0x14) r3 = syz_genetlink_get_family_id$netlbl_cipso(&(0x7f00000000c0)='NLBL_CIPSOv4\x00') sendmsg$NLBL_CIPSOV4_C_LISTALL(0xffffffffffffffff, &(0x7f0000000200)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f00000001c0)={&(0x7f0000000140)={0x38, r3, 0x400, 0x70bd2c, 0x25dfdbfd, {}, [@NLBL_CIPSOV4_A_TAGLST={0x1c, 0x4, 0x0, 0x1, [{0x5, 0x3, 0x5}, {0x5, 0x3, 0x1}, {0x5, 0x3, 0x1}]}, @NLBL_CIPSOV4_A_DOI={0x8, 0x1, 0x3}]}, 0x38}, 0x1, 0x0, 0x0, 0x20048000}, 0x40000) r4 = fcntl$dupfd(0xffffffffffffffff, 0x406, r2) ioctl$SIOCPNENABLEPIPE(r4, 0x89ed, 0x0) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000040)=0x3) 13:40:16 executing program 0: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xe) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)=0x19) r1 = open(&(0x7f0000000140)='./file0\x00', 0x40002, 0x8) sendfile(r1, 0xffffffffffffffff, 0x0, 0x2008000fffffffe) r2 = dup(0xffffffffffffffff) ioctl$BLKIOMIN(r2, 0x1278, 0x0) write$P9_RSETATTR(r2, &(0x7f0000000180)={0x7}, 0x7) write$P9_RATTACH(r2, &(0x7f0000000100)={0xfffffffffffffd85, 0x69, 0x4001, {0x40, 0x2, 0x207}}, 0xd) getsockname$packet(r2, &(0x7f00000004c0)={0x11, 0x0, 0x0}, &(0x7f0000000500)=0x14) ioctl$ifreq_SIOCGIFINDEX_team(r1, 0x8933, &(0x7f0000000540)={'team0\x00', r3}) r4 = open(&(0x7f0000000140)='./file0\x00', 0x40002, 0x8) sendfile(r4, 0xffffffffffffffff, 0x0, 0x2008000fffffffe) ioctl$KDFONTOP_GET(r4, 0x4b72, &(0x7f0000000040)={0x1, 0x1, 0x9, 0x18, 0x6e, &(0x7f00000000c0)}) [ 3066.493720] batman_adv: batadv0: The MTU of interface veth175 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 3066.556494] batman_adv: batadv0: Not using interface veth175 (retrying later): interface not active 13:40:16 executing program 4: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xf) ioctl$TIOCSETD(r0, 0x541d, &(0x7f0000000000)) 13:40:16 executing program 3: ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x3f00, &(0x7f0000000200)={&(0x7f0000000640)=@newlink={0x20, 0x11, 0x0, 0xa, 0x0, {0x5, 0x0, 0x0, r3}}, 0x20}, 0x1, 0x3f00}, 0x0) 13:40:16 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xe) r1 = dup(0xffffffffffffffff) ioctl$BLKIOMIN(r1, 0x1278, 0x0) write$P9_RSETATTR(r1, &(0x7f0000000180)={0x7}, 0x7) write$P9_RATTACH(r1, &(0x7f0000000100)={0xfffffffffffffd85, 0x69, 0x4001, {0x40, 0x2, 0x207}}, 0xd) setsockopt$inet_sctp_SCTP_AUTO_ASCONF(r1, 0x84, 0x1e, &(0x7f0000000000)=0x8, 0x4) socketpair$unix(0x1, 0x400000000000002, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$KVM_GET_VCPU_EVENTS(r1, 0x8040ae9f, &(0x7f00000000c0)) setsockopt$sock_int(r2, 0x1, 0x7, &(0x7f0000000080), 0x4) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000040)=0x12) [ 3066.645307] batman_adv: batadv0: Adding interface: veth149 [ 3066.661369] batman_adv: batadv0: The MTU of interface veth149 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 13:40:16 executing program 0: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xe) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) ioctl$TIOCSBRK(r0, 0x5427) [ 3066.700342] batman_adv: batadv0: Not using interface veth149 (retrying later): interface not active 13:40:16 executing program 4: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xf) ioctl$TIOCSETD(r0, 0x541e, &(0x7f0000000000)) 13:40:16 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x2000, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) 13:40:16 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x300, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) 13:40:16 executing program 3: ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x3f00, &(0x7f0000000200)={&(0x7f0000000640)=@newlink={0x20, 0x11, 0x0, 0xa, 0x0, {0x5, 0x0, 0x0, r3}}, 0x20}, 0x1, 0x3f00}, 0x0) 13:40:16 executing program 4: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xf) ioctl$TIOCSETD(r0, 0x5421, &(0x7f0000000000)) 13:40:16 executing program 0: r0 = open(&(0x7f0000000140)='./file0\x00', 0x40002, 0x110) sendfile(r0, 0xffffffffffffffff, 0x0, 0x2008000fffffffe) ioctl$BLKPBSZGET(0xffffffffffffffff, 0x127b, &(0x7f0000000080)) ioctl$KVM_GET_REG_LIST(r0, 0xc008aeb0, &(0x7f0000000180)=ANY=[@ANYBLOB="060000000000000008000000000000000000000000000000080000000000000003000000373582b8030000000000000000000000000000008223a7ccaec861bd8a359561207b798fd59f2389eb8092fab920af12fdfd2fb73d75a2cedfbdda09852518a04101bd4c73c379cd3ac53c7a5ab0f5b551b2fe666d95fb57afebb003af924c5f0e2f8c978dfcb75151188f"]) ioctl$SNDRV_CTL_IOCTL_RAWMIDI_PREFER_SUBDEVICE(r0, 0x40045542, &(0x7f00000000c0)=0x7) ioctl$TIOCSETD(0xffffffffffffffff, 0x5412, &(0x7f0000000000)) 13:40:16 executing program 3: ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x3f00, &(0x7f0000000200)={&(0x7f0000000640)=@newlink={0x20, 0x11, 0x0, 0xa, 0x0, {0x5, 0x0, 0x0, r3}}, 0x20}, 0x1, 0x3f00}, 0x0) 13:40:16 executing program 4: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xf) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000000)) [ 3066.999365] batman_adv: batadv0: Adding interface: veth177 [ 3067.022375] batman_adv: batadv0: The MTU of interface veth177 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 3067.064633] batman_adv: batadv0: Not using interface veth177 (retrying later): interface not active [ 3067.082069] batman_adv: batadv0: Adding interface: veth151 13:40:16 executing program 0: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x400000, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xe) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)=0xc) [ 3067.097298] batman_adv: batadv0: The MTU of interface veth151 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 13:40:16 executing program 4: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xf) ioctl$TIOCSETD(r0, 0x5424, &(0x7f0000000000)) 13:40:16 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xe) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) r1 = dup(0xffffffffffffffff) ioctl$BLKIOMIN(r1, 0x1278, 0x0) write$P9_RSETATTR(r1, &(0x7f0000000180)={0x7}, 0x7) write$P9_RATTACH(r1, &(0x7f0000000100)={0xfffffffffffffd85, 0x69, 0x4001, {0x40, 0x2, 0x207}}, 0xd) r2 = socket$inet(0x2, 0x4000000000000001, 0x0) sendto$inet(r2, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) r3 = socket(0xa, 0x1, 0x0) close(r3) r4 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r4, 0x84, 0x6e, &(0x7f0000000180)=[@in6={0xa, 0x0, 0x0, @remote, 0x9}], 0x1c) getsockopt$inet_sctp6_SCTP_GET_ASSOC_ID_LIST(r4, 0x84, 0x1d, &(0x7f000095dff8)={0x1, [0x0]}, &(0x7f000095dffc)=0x8) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)=ANY=[@ANYBLOB="662a38000000240007050000004007a2a300", @ANYRES32, @ANYBLOB="000070d5fffffdff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000300)=ANY=[@ANYBLOB='h\x00\x00\x00,\x00\'\r\x00'/20, @ANYRES32, @ANYBLOB], 0x68}}, 0x0) sendmsg$ETHTOOL_MSG_RINGS_GET(r1, &(0x7f0000000840)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000000800)={&(0x7f0000000500)={0x2d0, 0x0, 0x800, 0x70bd27, 0x25dfdbfd, {}, [@HEADER={0x48, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x2}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'syzkaller1\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x1}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x2}]}, @HEADER={0x4}, @HEADER={0x5c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'wg1\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'veth0_to_hsr\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}]}, @HEADER={0x30, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_FLAGS={0x8}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'team_slave_0\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}]}, @HEADER={0x88, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'geneve1\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x1}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'batadv0\x00'}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'veth0_virt_wifi\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x2}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x2}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'batadv_slave_1\x00'}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'lo\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x2}]}, @HEADER={0x18, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'nr0\x00'}]}, @HEADER={0x64, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'wg1\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x2}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'geneve1\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_FLAGS={0x8}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}]}, @HEADER={0x30, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x1}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'bridge_slave_1\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x2}]}, @HEADER={0x58, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'lo\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x1}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x2}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_FLAGS={0x8}]}, @HEADER={0x58, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'ip6_vti0\x00'}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'geneve1\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x1}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'wg1\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x3}]}]}, 0x2d0}, 0x1, 0x0, 0x0, 0x90}, 0x80) sendmmsg$inet_sctp(r3, &(0x7f0000002cc0)=[{0x0, 0x29e, 0x0, 0x0, &(0x7f00000016c0)=[@sndinfo={0x20, 0x84, 0x2, {0x0, 0x4, 0x0, 0x0, r5}}], 0x20}], 0x1, 0x0) setsockopt$inet_sctp_SCTP_AUTH_ACTIVE_KEY(r2, 0x84, 0x18, &(0x7f0000000000)={r5, 0x9}, 0x8) setsockopt$inet_sctp6_SCTP_SET_PEER_PRIMARY_ADDR(r1, 0x84, 0x5, &(0x7f00000000c0)={r5, @in={{0x2, 0x4e22, @empty}}}, 0x84) 13:40:16 executing program 0: r0 = openat$vga_arbiter(0xffffffffffffff9c, &(0x7f0000000040)='/dev/vga_arbiter\x00', 0x400040, 0x0) getsockopt$inet_sctp_SCTP_AUTO_ASCONF(r0, 0x84, 0x1e, &(0x7f0000000180), &(0x7f00000001c0)=0x4) r1 = open(&(0x7f0000000140)='./file0\x00', 0x40002, 0x8) sendfile(r1, 0xffffffffffffffff, 0x0, 0x2008000fffffffe) ioctl$SNDRV_SEQ_IOCTL_UNSUBSCRIBE_PORT(r1, 0x40505331, &(0x7f00000000c0)={{0x22, 0x1}, {0x39, 0x3}, 0xa15b, 0x2, 0xd6}) r2 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r2, 0x5423, &(0x7f0000000080)=0xe) ioctl$TIOCSETD(r2, 0x5412, &(0x7f0000000000)) r3 = open(&(0x7f0000000200)='./file0\x00', 0x40002, 0x165) sendfile(r3, 0xffffffffffffffff, 0x0, 0x2008000fffffffe) ioctl$TIOCVHANGUP(r3, 0x5437, 0x0) [ 3067.188631] batman_adv: batadv0: Not using interface veth151 (retrying later): interface not active [ 3067.215482] nla_parse: 48 callbacks suppressed [ 3067.215493] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. 13:40:16 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x3f00, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) 13:40:16 executing program 4: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xf) ioctl$TIOCSETD(r0, 0x5425, &(0x7f0000000000)) [ 3067.262654] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. [ 3067.318221] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 13:40:17 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x500, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) 13:40:17 executing program 3: ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x3f00, &(0x7f0000000200)={&(0x7f0000000640)=@newlink={0x20, 0x11, 0x40d, 0x0, 0x0, {0x5, 0x0, 0x0, r3}}, 0x20}, 0x1, 0x3f00}, 0x0) 13:40:17 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xe) syz_open_dev$audion(&(0x7f0000000040)='/dev/audio#\x00', 0x2, 0x20000) ioctl$F2FS_IOC_MOVE_RANGE(0xffffffffffffffff, 0xc020f509, &(0x7f00000000c0)={0xffffffffffffffff, 0x401, 0x8}) ioctl$TIOCSETD(r1, 0x5412, &(0x7f0000000000)=0x12) 13:40:17 executing program 4: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xf) ioctl$TIOCSETD(r0, 0x5427, &(0x7f0000000000)) 13:40:17 executing program 0: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) r1 = open(&(0x7f0000000140)='./file0\x00', 0x40002, 0x8) sendfile(r1, 0xffffffffffffffff, 0x0, 0x2008000fffffffe) r2 = socket$inet(0x2, 0x4000000000000001, 0x0) sendto$inet(r2, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) r3 = socket(0xa, 0x1, 0x0) close(r3) r4 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r4, 0x84, 0x6e, &(0x7f0000000180)=[@in6={0xa, 0x0, 0x0, @remote, 0x9}], 0x1c) getsockopt$inet_sctp6_SCTP_GET_ASSOC_ID_LIST(r4, 0x84, 0x1d, &(0x7f00000001c0)=ANY=[@ANYBLOB="42beaea68e582c9fef213dc189793c429e4489a53f9528d9c90545b3b4a4f221d794ea91f2d61a9d88a3ca1ed41d02cd1ea267b7c8b6e96773f1abf2171b0a5dd54c0559257d6aec341af18bcd670141c64728823af9eefe38f78e5efff63a38f709ca0c1270d7a636153bea8734d250765d73fd2c930c2b0c05fb5a977969544c3880476a21d0f3208d13f5230482847364e36e6f", @ANYRES32=0x0], &(0x7f000095dffc)=0x8) sendmmsg$inet_sctp(r3, &(0x7f0000002cc0)=[{0x0, 0x29e, 0x0, 0x0, &(0x7f00000016c0)=[@sndinfo={0x20, 0x84, 0x2, {0x0, 0x4, 0x0, 0x0, r5}}], 0x20}], 0x1, 0x0) setsockopt$inet_sctp_SCTP_AUTH_ACTIVE_KEY(r2, 0x84, 0x18, &(0x7f0000000000)={r5, 0x9}, 0x8) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r1, 0x84, 0x1f, &(0x7f00000000c0)={r5, @in6={{0xa, 0x4e24, 0x3, @private0, 0x7aeae3ad}}, 0x6, 0x1f}, 0x90) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xe) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) [ 3067.417207] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. [ 3067.474586] batman_adv: batadv0: Adding interface: veth181 [ 3067.482620] batman_adv: batadv0: The MTU of interface veth181 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 13:40:17 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xe) r1 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000140)='/dev/ocfs2_control\x00', 0x424400, 0x0) ioctl$sock_netrom_SIOCDELRT(r1, 0x890c, &(0x7f0000000180)={0x1, @remote={0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0x0}, @rose={'rose', 0x0}, 0xdff, 'syz1\x00', @default, 0x1f, 0x3, [@bcast, @rose={0xbb, 0xbb, 0xbb, 0x1, 0x0}, @remote={0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0x3}, @bcast, @bcast, @remote={0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0x2}, @rose={0xbb, 0xbb, 0xbb, 0x1, 0x0}, @null]}) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) 13:40:17 executing program 4: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xf) ioctl$TIOCSETD(r0, 0x5428, &(0x7f0000000000)) [ 3067.557194] batman_adv: batadv0: Not using interface veth181 (retrying later): interface not active [ 3067.592258] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. 13:40:17 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) r1 = dup(0xffffffffffffffff) ioctl$BLKIOMIN(r1, 0x1278, 0x0) write$P9_RSETATTR(r1, &(0x7f0000000180)={0x7}, 0x7) write$P9_RATTACH(r1, &(0x7f0000000100)={0xfffffffffffffd85, 0x69, 0x4001, {0x40, 0x2, 0x207}}, 0xd) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) r2 = syz_open_procfs$namespace(0x0, &(0x7f00000000c0)='ns/mnt\x00') setns(r2, 0x0) r3 = dup(r2) ioctl$BLKIOMIN(r3, 0x1278, 0x0) write$P9_RSETATTR(r3, &(0x7f0000000180)={0x7}, 0x7) write$P9_RATTACH(r3, &(0x7f0000000100)={0x14, 0x69, 0x1, {0x1, 0x2000001, 0x20b}}, 0x14) fsetxattr$trusted_overlay_opaque(r3, &(0x7f0000000080)='trusted.overlay.opaque\x00', &(0x7f00000000c0)='y\x00', 0x2, 0x2) 13:40:17 executing program 0: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x48000, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xe) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) openat$vga_arbiter(0xffffffffffffff9c, &(0x7f0000000040)='/dev/vga_arbiter\x00', 0x40c081, 0x0) dup2(r0, r0) openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000100)='/dev/ubi_ctrl\x00', 0x4000, 0x0) r1 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/sys/net/ipv4/vs/lblc_expiration\x00', 0x2, 0x0) openat$cgroup_type(r1, &(0x7f0000000180)='cgroup.type\x00', 0x2, 0x0) 13:40:17 executing program 4: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xf) ioctl$TIOCSETD(r0, 0x5437, &(0x7f0000000000)) [ 3067.659253] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 3067.740753] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. 13:40:17 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x4000, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) 13:40:17 executing program 4: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xf) ioctl$TIOCSETD(r0, 0x5441, &(0x7f0000000000)) [ 3067.801656] batman_adv: batadv0: Adding interface: veth155 [ 3067.807324] batman_adv: batadv0: The MTU of interface veth155 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 3067.866952] batman_adv: batadv0: Not using interface veth155 (retrying later): interface not active [ 3067.883287] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. [ 3067.910192] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 3067.931966] batman_adv: batadv0: Adding interface: veth185 13:40:17 executing program 0: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) r1 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x6aa6487b87842b22, 0x0) mmap$usbmon(&(0x7f0000ffe000/0x2000)=nil, 0x2000, 0x2000007, 0x1010, r1, 0x7fff) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xe) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) 13:40:17 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) r1 = dup(0xffffffffffffffff) ioctl$BLKIOMIN(r1, 0x1278, 0x0) write$P9_RSETATTR(r1, &(0x7f0000000180)={0x7}, 0x7) write$P9_RATTACH(r1, &(0x7f0000000100)={0xfffffffffffffd85, 0x69, 0x4001, {0x40, 0x2, 0x207}}, 0xd) ioctl$TCSETSF(r1, 0x5404, &(0x7f0000000040)={0xeaa, 0xaa08, 0x9, 0x1, 0x0, "3ac258656ae2e4cad70b4d8d5afa7bc6a69a9e"}) write$P9_RSETATTR(0xffffffffffffffff, &(0x7f0000000180)={0x7}, 0x7) r2 = socket$inet(0x2, 0x4000000000000001, 0x0) sendto$inet(r2, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) r3 = socket(0xa, 0x1, 0x0) close(r3) r4 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r4, 0x84, 0x6e, &(0x7f0000000180)=[@in6={0xa, 0x0, 0x0, @remote, 0x9}], 0x1c) getsockopt$inet_sctp6_SCTP_GET_ASSOC_ID_LIST(r4, 0x84, 0x1d, &(0x7f000095dff8)=ANY=[@ANYBLOB='\x00\x00\x00\x00', @ANYRES32=0x0], &(0x7f000095dffc)=0x8) sendmmsg$inet_sctp(r3, &(0x7f0000002cc0)=[{0x0, 0x0, 0x0, 0x0, &(0x7f00000016c0)=[@sndinfo={0x20, 0x84, 0x2, {0x0, 0x4, 0xfffffffd, 0x0, r5}}], 0x20}], 0x1, 0x0) setsockopt$inet_sctp_SCTP_AUTH_ACTIVE_KEY(r2, 0x84, 0x18, &(0x7f0000000000)={r5, 0x9}, 0x8) setsockopt$inet_sctp_SCTP_AUTH_KEY(0xffffffffffffffff, 0x84, 0x17, &(0x7f00000003c0)=ANY=[@ANYBLOB="ef720e7ae7e891a36cfc588160094cd1e95b4eb5884275cc542ac8180632bdbdabbe3eea577fe92c073465e9edb99f65b70001d82e36a47058e8f66c8908a5cde3b827a8215bacb5bb8ac775a23c71b5bb5e1da4d8aeb736c3643eaf37ab0e2f71d67fae69498794893c74", @ANYBLOB="02001900ea9af44c50ae76a0fa6227ba129f6ed2f983388fc6eb08a1ea220a652f0e5814e84c9ddd273d77b6472cddbeb55820784107cbed4d14e36757e615872916957de8598198510187fc1966edb512cbc40f8f649fcbc1d4aee17e3a843113fcb9e44e3e53f330c41695fecf6c2ac66274fdea9acb9368514a0bf61bd9732631d3842340f3f12a7ed2209d2f7247d26011bdf1fbcc3f65c1ec2fbd485a71e313b800"/173], 0x21) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xe) getsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r4, 0x84, 0x22, &(0x7f0000000140)={0x8, 0x1, 0xdd, 0x5}, &(0x7f00000001c0)=0x10) ioctl$TIOCSETD(r0, 0x5412, &(0x7f00000000c0)=0x3) 13:40:17 executing program 4: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xf) ioctl$TIOCSETD(r0, 0x5450, &(0x7f0000000000)) 13:40:17 executing program 3: ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x3f00, &(0x7f0000000200)={&(0x7f0000000640)=@newlink={0x20, 0x11, 0x40d, 0x0, 0x0, {0x5, 0x0, 0x0, r3}}, 0x20}, 0x1, 0x3f00}, 0x0) [ 3067.937614] batman_adv: batadv0: The MTU of interface veth185 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 3067.980044] batman_adv: batadv0: Not using interface veth185 (retrying later): interface not active 13:40:17 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x600, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) [ 3068.004956] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. 13:40:17 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x477d, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) 13:40:17 executing program 4: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xf) ioctl$TIOCSETD(r0, 0x5451, &(0x7f0000000000)) 13:40:17 executing program 0: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xe) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000040)) [ 3068.156008] batman_adv: batadv0: Adding interface: veth157 13:40:17 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x80500, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xe) r1 = open(&(0x7f0000000140)='./file0\x00', 0x40002, 0xed) write$cgroup_freezer_state(r1, &(0x7f0000000040)='THAWED\x00', 0x2) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) 13:40:17 executing program 4: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xf) ioctl$TIOCSETD(r0, 0x5452, &(0x7f0000000000)) [ 3068.182689] batman_adv: batadv0: The MTU of interface veth157 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 3068.210650] batman_adv: batadv0: Not using interface veth157 (retrying later): interface not active 13:40:17 executing program 3: ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x3f00, &(0x7f0000000200)={&(0x7f0000000640)=@newlink={0x20, 0x11, 0x40d, 0x0, 0x0, {0x5, 0x0, 0x0, r3}}, 0x20}, 0x1, 0x3f00}, 0x0) 13:40:17 executing program 0: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) r1 = open(&(0x7f0000000140)='./file0\x00', 0x40002, 0x8) sendfile(r1, 0xffffffffffffffff, 0x0, 0x2008000fffffffe) ioctl$TIOCGETD(r1, 0x5424, &(0x7f0000000040)) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xe) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) [ 3068.267556] batman_adv: batadv0: Adding interface: veth187 [ 3068.288138] batman_adv: batadv0: The MTU of interface veth187 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 13:40:18 executing program 0: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xe) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) r1 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$IPSET_CMD_SWAP(r1, &(0x7f00000001c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f0000000140)={&(0x7f00000002c0)=ANY=[@ANYBLOB="78000000060601080000000000006404b231e9fb301fd94db200000a000095e90000fa0700000009000300736d7a31000000000900020073797a31000000000900030073797a30000004000900020073790731000000000500010007000000050001000700000005000100070000000900020073797a30000000000500010007000000"], 0x78}, 0x1, 0x0, 0x0, 0x34040800}, 0x44080) r2 = openat(0xffffffffffffff9c, &(0x7f0000000180)='./file0\x00', 0x121000, 0x1b0) ioctl$TIOCGSERIAL(r2, 0x541e, &(0x7f00000000c0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, &(0x7f0000000200)=""/172}) 13:40:18 executing program 4: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xf) ioctl$TIOCSETD(r0, 0x545d, &(0x7f0000000000)) [ 3068.381165] batman_adv: batadv0: Not using interface veth187 (retrying later): interface not active 13:40:18 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x4800, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) 13:40:18 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x700, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) 13:40:18 executing program 2: ioctl$TIOCSETD(0xffffffffffffffff, 0x5423, &(0x7f0000000080)=0xe) r0 = open(&(0x7f0000000140)='./file0\x00', 0x40002, 0x8) sendfile(r0, 0xffffffffffffffff, 0x0, 0x2008000fffffffe) r1 = dup(0xffffffffffffffff) ioctl$BLKIOMIN(r1, 0x1278, 0x0) write$P9_RSETATTR(r1, &(0x7f0000000180)={0x7}, 0x7) write$P9_RATTACH(r1, &(0x7f0000000100)={0xfffffffffffffd85, 0x69, 0x4001, {0x40, 0x2, 0x207}}, 0xd) r2 = syz_open_procfs$namespace(0x0, &(0x7f0000000580)='ns/time_for_children\x00') setns(r2, 0x0) syz_open_dev$audion(&(0x7f0000000500)='/dev/audio#\x00', 0x5, 0x800) r3 = dup(0xffffffffffffffff) ioctl$BLKIOMIN(r3, 0x1278, 0x0) write$P9_RSETATTR(r3, &(0x7f0000000180)={0x7}, 0x7) write$P9_RATTACH(r3, &(0x7f0000000100)={0xfffffffffffffd85, 0x69, 0x4001, {0x40, 0x2, 0x207}}, 0xd) getsockopt$inet_sctp_SCTP_I_WANT_MAPPED_V4_ADDR(r3, 0x84, 0xc, &(0x7f00000001c0), &(0x7f0000000200)=0x4) set_robust_list(&(0x7f0000000180)={&(0x7f00000000c0)={&(0x7f0000000280)}, 0xb, &(0x7f0000000140)={&(0x7f0000000240)}}, 0x18) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000040)={0xaa, 0x4}) ioctl$KDGKBSENT(0xffffffffffffffff, 0x4b48, &(0x7f00000002c0)={0x2, "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"}) ioctl$TIOCSETD(0xffffffffffffffff, 0x5412, &(0x7f0000000000)) 13:40:18 executing program 4: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xf) ioctl$TIOCSETD(r0, 0x5460, &(0x7f0000000000)) 13:40:18 executing program 3: ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x3f00, &(0x7f0000000200)={&(0x7f0000000640)=@newlink={0x20, 0x11, 0x40d, 0x0, 0x0, {0x5}}, 0x20}, 0x1, 0x3f00}, 0x0) 13:40:18 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xe) write$binfmt_elf32(r0, &(0x7f00000000c0)={{0x7f, 0x45, 0x4c, 0x46, 0xff, 0xa7, 0x5, 0x1, 0x9, 0x2, 0x3, 0x200, 0x30a, 0x38, 0x386, 0x2, 0x3, 0x20, 0x2, 0x7fff, 0x3, 0x81}, [{0x6474e551, 0xffff, 0x7fff, 0x5, 0x0, 0xff, 0x0, 0x7}, {0x1, 0x0, 0x2, 0x8, 0x7, 0x4, 0x1000, 0x2}], "03269f1d5473447e01fe7bfe4f7162f319dab8069d993b79a79c802b5e7954cf82a71a1f965e3516a54fec3843434ba78ce1931e27a829ccbc642b5475fa1e31fbd8071a86abc66baff2163c87effa6e2245d70bbfeb9df41becc71f49a7c2e381edb55cfd9eb843fca0d34c0508ceea90365b98b146732727b1a93dafac0da39a54e695480099e2b4fc0c0a6d6cb1fb0c99f5bf9a8b061434d660923011c382d43171d9e0cb3b92f34072a35ed88a9cea3ecd004da4a2cb7bf476c8c0e8bc631d4604e38316", [[], [], [], [], [], [], [], [], []]}, 0xa3e) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) 13:40:18 executing program 4: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xf) ioctl$TIOCSETD(r0, 0x40049409, &(0x7f0000000000)) 13:40:18 executing program 0: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x7e8dca5a8ff7446d, 0x0) r1 = dup(0xffffffffffffffff) ioctl$BLKIOMIN(r1, 0x1278, 0x0) write$P9_RSETATTR(r1, &(0x7f0000000180)={0x7}, 0x7) write$P9_RATTACH(r1, &(0x7f0000000100)={0xfffffffffffffd85, 0x69, 0x4001, {0x40, 0x2, 0x207}}, 0xd) r2 = dup(0xffffffffffffffff) ioctl$BLKIOMIN(r2, 0x1278, 0x0) write$P9_RSETATTR(r2, &(0x7f0000000180)={0x7}, 0x7) write$P9_RATTACH(r2, &(0x7f0000000100)={0xfffffffffffffd85, 0x69, 0x4001, {0x40, 0x2, 0x207}}, 0xd) ioctl$TIOCSETD(r2, 0x5423, &(0x7f0000000080)=0x1013) write$P9_RATTACH(0xffffffffffffffff, &(0x7f0000000100)={0xfffffffffffffd85, 0x69, 0x4001, {0x40, 0x2, 0x207}}, 0xd) r3 = openat$vsock(0xffffffffffffff9c, &(0x7f00000012c0)='/dev/vsock\x00', 0x2800, 0x0) r4 = syz_open_procfs$namespace(0x0, &(0x7f00000000c0)='ns/mnt\x00') setns(r4, 0x0) r5 = dup(0xffffffffffffffff) ioctl$BLKIOMIN(r5, 0x1278, 0x0) write$P9_RSETATTR(r5, &(0x7f0000000180)={0x7}, 0x7) write$P9_RATTACH(r5, &(0x7f0000000100)={0xfffffffffffffd85, 0x69, 0x4001, {0x40, 0x2, 0x207}}, 0xd) sendmsg$unix(r2, &(0x7f0000001380)={&(0x7f00000001c0)=@file={0x1, './file0\x00'}, 0x6e, &(0x7f0000000140)=[{&(0x7f0000000240)="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", 0x1000}, {&(0x7f0000000040)="bf727a272c0d0ec33ca968fb0ac387ddc698cfa02536766277431481229b06d7736d2cfc9853fc48", 0x28}, {&(0x7f00000000c0)="fa6507d220d5c4c1d1e6dd6568c04fd261e5804c933ee0d5007d4bca04453963ad49d1478319bbd99f5210fb0196276e5de217ef5d", 0x35}, {&(0x7f0000001240)="8e0c1b5d52cbcdfe5de9e8ce41946495bf7c025a4c9e751ab6199b32ef8b8567515f9a1425f45926f01ca1aeae1c62ead74efe4d8eb1854d2f46b9bab4b8e58908455c98ba3d2208d24e", 0x4a}], 0x4, &(0x7f00000013c0)=ANY=[@ANYBLOB="1c000000000000000100000001000000", @ANYRES32, @ANYRES32, @ANYRES32=r3, @ANYBLOB="0000000014000000000000000100000001000000", @ANYRES32=r4, @ANYBLOB="000007bd0000000000007f008ef4000001000000e8d7b43850c0b56018e74d36c02b191bcf15996b7f66", @ANYRES32=r5, @ANYRES32=r0, @ANYRES32=r2, @ANYBLOB='\x00\x00\x00\x00'], 0x58, 0x10002812}, 0x20008800) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) [ 3068.638893] batman_adv: batadv0: Adding interface: veth189 [ 3068.660490] batman_adv: batadv0: The MTU of interface veth189 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 3068.724890] batman_adv: batadv0: Not using interface veth189 (retrying later): interface not active [ 3068.769165] batman_adv: batadv0: Adding interface: veth159 [ 3068.785925] batman_adv: batadv0: The MTU of interface veth159 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 13:40:18 executing program 0: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xe) r1 = dup(0xffffffffffffffff) ioctl$BLKIOMIN(r1, 0x1278, 0x0) write$P9_RSETATTR(r1, &(0x7f0000000180)={0x7}, 0x28) write$P9_RATTACH(r1, &(0x7f0000000100)={0xfffffffffffffd85, 0x69, 0x4001, {0x40, 0x2, 0x207}}, 0xd) r2 = getpgrp(0xffffffffffffffff) ioctl$TIOCSPGRP(r1, 0x5410, &(0x7f0000000040)=r2) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) ioctl$KVM_GET_PIT(0xffffffffffffffff, 0xc048ae65, &(0x7f00000000c0)) [ 3068.862785] batman_adv: batadv0: Not using interface veth159 (retrying later): interface not active 13:40:18 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040)='/dev/ptmx\x00', 0xc0800, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xe) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) r1 = dup(0xffffffffffffffff) ioctl$BLKIOMIN(r1, 0x1278, 0x0) write$P9_RSETATTR(r1, &(0x7f0000000180)={0x7}, 0x7) write$P9_RATTACH(r1, &(0x7f0000000100)={0xfffffffffffffd85, 0x69, 0x4001, {0x40, 0x2, 0x207}}, 0xd) setsockopt$inet6_opts(r1, 0x29, 0x0, &(0x7f00000000c0)=@hopopts={0x67, 0x0, [], [@pad1]}, 0x10) 13:40:18 executing program 4: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xf) ioctl$TIOCSETD(r0, 0x40086602, &(0x7f0000000000)) 13:40:18 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x4c00, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) 13:40:18 executing program 3: ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x3f00, &(0x7f0000000200)={&(0x7f0000000640)=@newlink={0x20, 0x11, 0x40d, 0x0, 0x0, {0x5}}, 0x20}, 0x1, 0x3f00}, 0x0) 13:40:18 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0xa00, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) 13:40:18 executing program 4: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xf) ioctl$TIOCSETD(r0, 0x40087602, &(0x7f0000000000)) 13:40:18 executing program 0: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xe) r1 = open(&(0x7f0000000100)='./file0\x00', 0x40002, 0x8) ioctl$VIDIOC_SUBSCRIBE_EVENT(r1, 0x4020565a, &(0x7f0000000140)={0x3, 0xffff, 0x2}) sendfile(r1, 0xffffffffffffffff, 0x0, 0x2008000fffffffe) ioctl$VIDIOC_TRY_EXT_CTRLS(r1, 0xc0205649, &(0x7f00000000c0)={0x0, 0x5, 0x2, 0xffffffffffffffff, 0x0, &(0x7f0000000040)={0x9909d9, 0x0, [], @value=0x44e}}) ioctl$TIOCSETD(r2, 0x5412, &(0x7f0000000000)=0x2080000) 13:40:18 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) r1 = dup(0xffffffffffffffff) ioctl$BLKIOMIN(r1, 0x1278, 0x0) r2 = open(&(0x7f0000000140)='./file0\x00', 0x40002, 0x8) sendfile(r2, 0xffffffffffffffff, 0x0, 0x2008000fffffffe) r3 = socket$inet(0x2, 0x4000000000000001, 0x0) sendto$inet(r3, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) r4 = socket(0xa, 0x1, 0x0) close(r4) r5 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r5, 0x84, 0x6e, &(0x7f0000000180)=[@in6={0xa, 0x0, 0x0, @remote, 0x9}], 0x1c) getsockopt$inet_sctp6_SCTP_GET_ASSOC_ID_LIST(r5, 0x84, 0x1d, &(0x7f000095dff8)={0x1, [0x0]}, &(0x7f000095dffc)=0x8) sendmmsg$inet_sctp(r4, &(0x7f0000002cc0)=[{0x0, 0x29e, 0x0, 0x0, &(0x7f00000016c0)=[@sndinfo={0x20, 0x84, 0x2, {0x0, 0x4, 0x0, 0x0, r6}}], 0x20}], 0x1, 0x0) setsockopt$inet_sctp_SCTP_AUTH_ACTIVE_KEY(r3, 0x84, 0x18, &(0x7f0000000000)={r6, 0x9}, 0x8) getsockopt$inet_sctp6_SCTP_CONTEXT(r2, 0x84, 0x11, &(0x7f00000000c0)={r6}, &(0x7f0000000140)=0x8) write$P9_RSETATTR(r1, &(0x7f0000000180)={0x7}, 0x7) openat$cgroup_subtree(r1, &(0x7f0000000080)='cgroup.subtree_control\x00', 0x2, 0x0) write$P9_RATTACH(r1, &(0x7f0000000100)={0xfffffffffffffd85, 0x69, 0x4001, {0x40, 0x2, 0x207}}, 0xd) ioctl$TIOCSETD(r1, 0x5423, &(0x7f0000000040)=0xffff) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) [ 3069.106419] batman_adv: batadv0: Adding interface: veth193 [ 3069.120962] batman_adv: batadv0: The MTU of interface veth193 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 13:40:18 executing program 4: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xf) ioctl$TIOCSETD(r0, 0x4020940d, &(0x7f0000000000)) 13:40:18 executing program 0: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xe) r1 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000040)='/dev/nvram\x00', 0x800, 0x0) ioctl$TCSETSF2(r1, 0x402c542d, &(0x7f00000000c0)={0x2, 0x3, 0x1, 0x8, 0x8, "366936d22d50835d45818680d0c6ba28e2ebb0", 0xf2, 0x20}) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) [ 3069.221196] batman_adv: batadv0: Not using interface veth193 (retrying later): interface not active [ 3069.286747] batman_adv: batadv0: Adding interface: veth161 13:40:18 executing program 4: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xf) ioctl$TIOCSETD(r0, 0x80045432, &(0x7f0000000000)) 13:40:18 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000040)=0x19) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) 13:40:18 executing program 3: ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x3f00, &(0x7f0000000200)={&(0x7f0000000640)=@newlink={0x20, 0x11, 0x40d, 0x0, 0x0, {0x5}}, 0x20}, 0x1, 0x3f00}, 0x0) [ 3069.315222] batman_adv: batadv0: The MTU of interface veth161 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 13:40:18 executing program 0: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xe) r1 = dup(0xffffffffffffffff) ioctl$BLKIOMIN(r1, 0x1278, 0x0) write$P9_RSETATTR(r1, &(0x7f0000000180)={0x7}, 0x7) write$P9_RATTACH(r1, &(0x7f0000000100)={0xfffffffffffffd85, 0x69, 0x4001, {0x40, 0x2, 0x207}}, 0xd) ioctl$TCFLSH(r1, 0x540b, 0x0) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) [ 3069.419818] batman_adv: batadv0: Not using interface veth161 (retrying later): interface not active 13:40:19 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x5865, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) 13:40:19 executing program 4: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xf) ioctl$TIOCSETD(r0, 0x80045440, &(0x7f0000000000)) 13:40:19 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0xc00, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) 13:40:19 executing program 0: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xe) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) r1 = dup(0xffffffffffffffff) ioctl$BLKIOMIN(r1, 0x1278, 0x0) write$P9_RSETATTR(r1, &(0x7f0000000180)={0x7}, 0x7) write$P9_RATTACH(r1, &(0x7f0000000100)={0xfffffffffffffd85, 0x69, 0x4001, {0x40, 0x2, 0x207}}, 0xd) getsockopt$CAN_RAW_FILTER(r1, 0x65, 0x1, &(0x7f0000000040)=[{}], &(0x7f00000000c0)=0x8) 13:40:19 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000040)=0xe) r1 = openat(0xffffffffffffff9c, &(0x7f0000000080)='./file0\x00', 0xa800, 0x20) r2 = dup(0xffffffffffffffff) ioctl$BLKIOMIN(r2, 0x1278, 0x0) r3 = dup(0xffffffffffffffff) syz_open_dev$dmmidi(&(0x7f00000006c0)='/dev/dmmidi#\x00', 0x9, 0x244040) r4 = open(&(0x7f0000000140)='./file0\x00', 0x40002, 0x8) sendfile(r4, 0xffffffffffffffff, 0x0, 0x2008000fffffffe) ioctl$ION_IOC_ALLOC(r3, 0xc0184900, &(0x7f00000001c0)={0x7f, 0x8, 0x1, r4}) r5 = syz_open_procfs$namespace(0x0, &(0x7f00000000c0)='ns/mnt\x00') setns(r5, 0x0) fcntl$getflags(0xffffffffffffffff, 0x40a) write$P9_RSETATTR(r2, &(0x7f0000000180)={0x7}, 0x7) write$P9_RATTACH(r2, &(0x7f0000000100)={0xfffffffffffffd85, 0x69, 0x4001, {0x40, 0x2, 0x207}}, 0xd) ioctl$TIOCPKT(r2, 0x5420, &(0x7f0000000000)=0x74) r6 = open(&(0x7f0000000140)='./file0\x00', 0x40002, 0x8) sendfile(r6, 0xffffffffffffffff, 0x0, 0x2008000fffffffe) ioctl$SCSI_IOCTL_GET_PCI(r6, 0x5387, &(0x7f0000000140)) ioctl$EVIOCGNAME(r1, 0x80404506, &(0x7f00000000c0)=""/36) 13:40:19 executing program 0: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) lsetxattr$trusted_overlay_redirect(&(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='trusted.overlay.redirect\x00', &(0x7f0000000180)='./file0\x00', 0x8, 0x3) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xe) r1 = semget$private(0x0, 0x0, 0x0) semctl$GETPID(r1, 0x3, 0xb, &(0x7f0000001340)=""/237) semtimedop(r1, &(0x7f0000000040)=[{0x1, 0x40, 0x1800}, {0x4, 0xfffc, 0x1000}, {0x0, 0x5, 0x800}], 0x3, &(0x7f00000000c0)={0x77359400}) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) 13:40:19 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) r1 = dup(0xffffffffffffffff) ioctl$BLKIOMIN(r1, 0x1278, 0x0) r2 = open(&(0x7f0000000140)='./file0\x00', 0x40002, 0x8) sendfile(r2, 0xffffffffffffffff, 0x0, 0x2008000fffffffe) r3 = open(&(0x7f0000000140)='./file0\x00', 0x40002, 0x8) sendfile(r3, 0xffffffffffffffff, 0x0, 0x2008000fffffffe) r4 = dup(0xffffffffffffffff) ioctl$BLKIOMIN(r4, 0x1278, 0x0) write$P9_RSETATTR(r4, &(0x7f0000000180)={0x7}, 0x7) write$P9_RATTACH(r4, &(0x7f0000000100)={0xfffffffffffffd85, 0x69, 0x4001, {0x40, 0x2, 0x207}}, 0xd) write$P9_RSETATTR(r4, &(0x7f0000000180)={0x5, 0x1b, 0xfffe}, 0xfffffffffffffe3c) r5 = syz_open_dev$vcsa(&(0x7f00000000c0)='/dev/vcsa#\x00', 0x2400000000000000, 0x2) ioctl$VHOST_SET_VRING_BUSYLOOP_TIMEOUT(r5, 0x4008af23, &(0x7f00000001c0)={0x0, 0xa34}) write$P9_RATTACH(r1, &(0x7f0000000100)={0xfffffffffffffd85, 0x69, 0x4001, {0x40, 0x2, 0x207}}, 0xd) write$P9_RREMOVE(r1, &(0x7f0000000040)={0x7, 0x7b, 0x2}, 0x7) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xe) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) 13:40:19 executing program 4: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xf) ioctl$TIOCSETD(r0, 0x80086601, &(0x7f0000000000)) 13:40:19 executing program 3: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xe) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) r1 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$IPSET_CMD_SWAP(r1, &(0x7f00000001c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f0000000140)={&(0x7f00000002c0)=ANY=[@ANYBLOB="78000000060601080000000000006404b231e9fb301fd94db200000a000095e90000fa0700000009000300736d7a31000000000900020073797a31000000000900030073797a30000004000900020073790731000000000500010007000000050001000700000005000100070000000900020073797a30000000000500010007000000"], 0x78}, 0x1, 0x0, 0x0, 0x34040800}, 0x44080) r2 = openat(0xffffffffffffff9c, &(0x7f0000000180)='./file0\x00', 0x121000, 0x1b0) ioctl$TIOCGSERIAL(r2, 0x541e, &(0x7f00000000c0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, &(0x7f0000000200)=""/172}) [ 3069.711204] batman_adv: batadv0: Adding interface: veth197 [ 3069.741601] batman_adv: batadv0: The MTU of interface veth197 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 3069.789092] batman_adv: batadv0: Not using interface veth197 (retrying later): interface not active 13:40:19 executing program 3: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xe) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) r1 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$IPSET_CMD_SWAP(r1, &(0x7f00000001c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f0000000140)={&(0x7f00000002c0)=ANY=[@ANYBLOB="78000000060601080000000000006404b231e9fb301fd94db200000a000095e90000fa0700000009000300736d7a31000000000900020073797a31000000000900030073797a30000004000900020073790731000000000500010007000000050001000700000005000100070000000900020073797a30000000000500010007000000"], 0x78}, 0x1, 0x0, 0x0, 0x34040800}, 0x44080) r2 = openat(0xffffffffffffff9c, &(0x7f0000000180)='./file0\x00', 0x121000, 0x1b0) ioctl$TIOCGSERIAL(r2, 0x541e, &(0x7f00000000c0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, &(0x7f0000000200)=""/172}) 13:40:19 executing program 0: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$KDGETLED(r0, 0x4b31, &(0x7f00000000c0)) ioctl$VT_GETMODE(r0, 0x5601, &(0x7f0000000040)) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xe) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) [ 3069.806393] batman_adv: batadv0: Adding interface: veth163 [ 3069.820863] batman_adv: batadv0: The MTU of interface veth163 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 13:40:19 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xe) r1 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040)='/dev/ptmx\x00', 0x76160e6791660fc7, 0x0) r2 = open(&(0x7f00000000c0)='./file0\x00', 0x40002, 0x1) sendfile(r2, 0xffffffffffffffff, 0x0, 0xfff) ioctl$TIOCNXCL(r2, 0x540d) ioctl$TIOCSETD(r1, 0x5412, &(0x7f0000000000)=0x40) [ 3069.945078] batman_adv: batadv0: Not using interface veth163 (retrying later): interface not active 13:40:19 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x6000, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) 13:40:19 executing program 4: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xf) ioctl$TIOCSETD(r0, 0x80087601, &(0x7f0000000000)) 13:40:19 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0xe00, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) 13:40:19 executing program 0: r0 = open(&(0x7f0000000140)='./file0\x00', 0x40002, 0x8) sendfile(r0, 0xffffffffffffffff, 0x0, 0x2008000fffffffe) setsockopt$bt_BT_VOICE(r0, 0x112, 0xb, &(0x7f0000000100)=0x3, 0x2) r1 = open(&(0x7f0000000140)='./file0\x00', 0x40002, 0x8) sendfile(r1, 0xffffffffffffffff, 0x0, 0x2008000fffffffe) r2 = open(&(0x7f0000000140)='./file0\x00', 0x40002, 0x8) sendfile(r2, 0xffffffffffffffff, 0x0, 0x2008000fffffffe) r3 = open(&(0x7f0000000140)='./file0\x00', 0x40002, 0x8) sendfile(r3, 0xffffffffffffffff, 0x0, 0x2008000fffffffe) sendfile(r3, r1, &(0x7f00000001c0)=0x4, 0x800) r4 = syz_open_procfs$namespace(0x0, &(0x7f00000000c0)='ns/mnt\x00') setns(r4, 0x0) sendmsg$RDMA_NLDEV_CMD_SYS_SET(r1, &(0x7f0000000180)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000140)={&(0x7f0000000200)=ANY=[@ANYBLOB="4c000000071410002bbd7000fedbdf25080001000100000008004400", @ANYRES32=r2, @ANYBLOB="0800010000000000080001000000000008004400", @ANYRES32=r4, @ANYBLOB="0900020073797a4618c9a660fd2dc76bbb28854f1f5183ffb795b7d454da7a7e34ca36a270965ff2f56eedce22c174be15ffa18aabf08002d1725fba9613806ad96f9873248079b53c076e1d8a0c9509134ee9738150b322db8a1f8c8dec78be707672137b70e7ed15c17400fc1efaa680dffb986e8312c24baf59288cd075608312dc27195c5757bd0c394f7ce0b292c8680316e7b9c0d533"], 0x4c}, 0x1, 0x0, 0x0, 0x48804}, 0x80) r5 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r5, 0x5423, &(0x7f0000000080)=0xe) ioctl$TIOCSETD(r5, 0x5412, &(0x7f0000000000)) r6 = open(&(0x7f0000000140)='./file0\x00', 0x40002, 0x8) sendfile(r6, 0xffffffffffffffff, 0x0, 0x2008000fffffffe) ioctl$NS_GET_NSTYPE(r6, 0xb703, 0x0) 13:40:19 executing program 3 (fault-call:7 fault-nth:0): ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x3f00, &(0x7f0000000200)={&(0x7f0000000640)=@newlink={0x20, 0x11, 0x40d, 0x0, 0x0, {0x5, 0x0, 0x0, r3}}, 0x20}, 0x1, 0x3f00}, 0x0) 13:40:19 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xe) ioctl$TUNGETFILTER(0xffffffffffffffff, 0x801054db, &(0x7f00000000c0)=""/107) r1 = dup(0xffffffffffffffff) ioctl$BLKIOMIN(r1, 0x1278, 0x0) write$P9_RSETATTR(r1, &(0x7f00000001c0)={0xfffffffffffffd55, 0x1b, 0x2}, 0x7) write$P9_RATTACH(r1, &(0x7f0000000100)={0xfffffffffffffd85, 0x69, 0x4001, {0x40, 0x2, 0x207}}, 0xd) accept(r1, &(0x7f0000000140)=@pptp={0x18, 0x2, {0x0, @loopback}}, &(0x7f0000000040)=0x80) rt_sigprocmask(0x0, &(0x7f0000000200)={[0x81]}, &(0x7f0000000240), 0x8) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) 13:40:19 executing program 4: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xf) ioctl$TIOCSETD(r0, 0xc0045878, &(0x7f0000000000)) [ 3070.181609] batman_adv: batadv0: Adding interface: veth199 [ 3070.184077] FAULT_INJECTION: forcing a failure. [ 3070.184077] name failslab, interval 1, probability 0, space 0, times 0 [ 3070.187278] batman_adv: batadv0: The MTU of interface veth199 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 13:40:19 executing program 0: r0 = creat(&(0x7f00000000c0)='./file0\x00', 0x4) ioctl$DRM_IOCTL_MODE_OBJ_GETPROPERTIES(r0, 0xc02064b9, &(0x7f0000000180)={&(0x7f0000000100)=[0x0, 0xc97], &(0x7f0000000140)=[0x0], 0x2, 0x800, 0xeeeeeeee}) r1 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r1, 0x5423, &(0x7f0000000080)=0xe) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r2 = socket$inet6(0xa, 0x800000000000002, 0x0) connect$inet6(r2, &(0x7f0000000040)={0xa, 0x0, 0x0, @local, 0x4}, 0x1c) setsockopt$inet6_opts(r2, 0x29, 0x36, &(0x7f00000001c0)=@fragment, 0x8) sendmmsg(r2, &(0x7f0000006d00)=[{{0x0, 0x1002000, 0x0, 0x0, 0x0, 0x0, 0xb605}}], 0xc6, 0x0) ioctl$TIOCSETD(r1, 0x5412, &(0x7f0000000000)) [ 3070.187288] batman_adv: batadv0: Not using interface veth199 (retrying later): interface not active [ 3070.245924] batman_adv: batadv0: Adding interface: veth165 [ 3070.269041] batman_adv: batadv0: The MTU of interface veth165 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 3070.278959] CPU: 1 PID: 12379 Comm: syz-executor.3 Not tainted 4.19.133-syzkaller #0 [ 3070.301569] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 3070.310923] Call Trace: [ 3070.313520] dump_stack+0x1fc/0x2fe [ 3070.317162] should_fail.cold+0xa/0x14 [ 3070.321058] ? setup_fault_attr+0x200/0x200 [ 3070.325389] ? lock_acquire+0x170/0x3c0 [ 3070.329383] __should_failslab+0x115/0x180 [ 3070.333801] should_failslab+0x5/0xf [ 3070.337519] kmem_cache_alloc_node+0x245/0x3b0 [ 3070.342111] __alloc_skb+0x71/0x560 [ 3070.345746] netlink_sendmsg+0x9ee/0xc40 [ 3070.349820] ? nlmsg_notify+0x1a0/0x1a0 [ 3070.353796] ? kernel_recvmsg+0x220/0x220 [ 3070.357995] ? nlmsg_notify+0x1a0/0x1a0 [ 3070.361973] sock_sendmsg+0xc3/0x120 [ 3070.365689] ___sys_sendmsg+0x7bb/0x8e0 [ 3070.369666] ? copy_msghdr_from_user+0x440/0x440 [ 3070.374429] ? __fget+0x32f/0x510 [ 3070.377889] ? lock_downgrade+0x720/0x720 [ 3070.382037] ? check_preemption_disabled+0x41/0x280 [ 3070.384330] batman_adv: batadv0: Not using interface veth165 (retrying later): interface not active [ 3070.387049] ? check_preemption_disabled+0x41/0x280 [ 3070.387072] ? __fget+0x356/0x510 [ 3070.387092] ? do_dup2+0x450/0x450 [ 3070.408222] ? lock_downgrade+0x720/0x720 [ 3070.412374] ? vfs_write+0x3d7/0x540 [ 3070.416100] ? __fdget+0x1d0/0x230 [ 3070.419651] __x64_sys_sendmsg+0x132/0x220 [ 3070.423891] ? __sys_sendmsg+0x1b0/0x1b0 [ 3070.427952] ? vfs_write+0x393/0x540 [ 3070.431690] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 3070.436449] ? trace_hardirqs_off_caller+0x69/0x210 [ 3070.441473] ? do_syscall_64+0x21/0x620 [ 3070.445455] do_syscall_64+0xf9/0x620 [ 3070.449263] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 3070.454454] RIP: 0033:0x45c1d9 [ 3070.457647] Code: 8d b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 5b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 13:40:20 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$KDGKBSENT(r0, 0x4b48, &(0x7f00000000c0)={0x1, "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"}) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xe) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) 13:40:20 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x6558, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) [ 3070.476548] RSP: 002b:00007fe56a20dc78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 3070.484261] RAX: ffffffffffffffda RBX: 000000000002af00 RCX: 000000000045c1d9 [ 3070.491527] RDX: 0000000000000000 RSI: 0000000020000140 RDI: 0000000000000003 [ 3070.498791] RBP: 00007fe56a20dca0 R08: 0000000000000000 R09: 0000000000000000 [ 3070.506058] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 3070.513326] R13: 00007ffeae747eaf R14: 00007fe56a20e9c0 R15: 000000000078bfac 13:40:20 executing program 4: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xf) ioctl$TIOCSETD(r0, 0xc0045878, &(0x7f0000000000)) 13:40:20 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x2000, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) 13:40:20 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xe) r1 = open(&(0x7f0000000140)='./file0\x00', 0x40002, 0x8) sendfile(r1, 0xffffffffffffffff, 0x0, 0x2008000fffffffe) dup2(r1, r0) syncfs(r0) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) [ 3070.724465] batman_adv: batadv0: Adding interface: veth201 13:40:20 executing program 4: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xf) ioctl$TIOCSETD(r0, 0xc0189436, &(0x7f0000000000)) [ 3070.779973] batman_adv: batadv0: The MTU of interface veth201 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 13:40:20 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xf) r1 = open(&(0x7f0000000140)='./file0\x00', 0x40002, 0x8) sendfile(r1, 0xffffffffffffffff, 0x0, 0x2008000fffffffe) ioctl$UI_DEV_DESTROY(r1, 0x5502) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)=0x3) [ 3070.930092] batman_adv: batadv0: Not using interface veth201 (retrying later): interface not active 13:40:20 executing program 4: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xf) ioctl$TIOCSETD(r0, 0xc020660b, &(0x7f0000000000)) 13:40:20 executing program 3: ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x3f00, &(0x7f0000000200)={&(0x7f0000000640)=@newlink={0x20, 0x11, 0x40d, 0x0, 0x0, {0x5, 0x0, 0x0, r3}}, 0x20}, 0x1, 0x3f00}, 0x0) [ 3071.058357] batman_adv: batadv0: Adding interface: veth167 [ 3071.080658] batman_adv: batadv0: The MTU of interface veth167 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 13:40:20 executing program 4: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xf) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) 13:40:20 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xe) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) r1 = inotify_init1(0x0) fcntl$setown(r1, 0x8, 0xffffffffffffffff) fcntl$getownex(r1, 0x10, &(0x7f00000000c0)={0x0, 0x0}) tkill(r2, 0x13) r3 = inotify_init1(0x0) fcntl$setown(r3, 0x8, 0xffffffffffffffff) fcntl$getownex(r3, 0x10, &(0x7f00000000c0)={0x0, 0x0}) tkill(r4, 0x13) rt_tgsigqueueinfo(r2, r4, 0x3f, &(0x7f00000000c0)={0x3b, 0xa4, 0xa0}) [ 3071.152202] batman_adv: batadv0: Not using interface veth167 (retrying later): interface not active 13:40:20 executing program 0: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xe) ioctl$TCSETSW(r0, 0x5403, &(0x7f0000000040)={0x3f, 0x0, 0x9, 0x100, 0x6, "db6bb77fb9a15d9cbdc5584256c20ab1ccd3c1"}) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) r1 = dup(0xffffffffffffffff) ioctl$BLKIOMIN(r1, 0x1278, 0x0) write$P9_RSETATTR(r1, &(0x7f0000000180)={0x7}, 0x7) write$P9_RATTACH(r1, &(0x7f0000000100)={0xfffffffffffffd85, 0x69, 0x4001, {0x40, 0x2, 0x207}}, 0xd) ioctl$SIOCSIFHWADDR(r1, 0x8924, &(0x7f00000000c0)={'bond_slave_1\x00', @dev={[], 0x2d}}) 13:40:20 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x6800, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) 13:40:20 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x3f00, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) 13:40:20 executing program 4: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xf) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)=0x1000000) 13:40:20 executing program 3: ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x4, &(0x7f0000000200)={&(0x7f0000000640)=@newlink={0x20, 0x11, 0x40d, 0x0, 0x0, {0x5, 0x0, 0x0, r3}}, 0x20}, 0x1, 0x3f00}, 0x0) 13:40:20 executing program 0: r0 = open(&(0x7f0000000140)='./file0\x00', 0x40002, 0x8) sendfile(r0, 0xffffffffffffffff, 0x0, 0x2008000fffffffe) getsockopt$PNPIPE_ENCAP(r0, 0x113, 0x1, &(0x7f0000000040), &(0x7f0000000080)=0x4) r1 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) r2 = dup(0xffffffffffffffff) ioctl$BLKIOMIN(r2, 0x1278, 0x0) write$P9_RSETATTR(r2, &(0x7f0000000180)={0x7}, 0x7) write$P9_RATTACH(r2, &(0x7f0000000100)={0xfffffffffffffd85, 0x69, 0x4001, {0x40, 0x2, 0x207}}, 0xd) ioctl$KDGETMODE(r2, 0x4b3b, &(0x7f00000000c0)) ioctl$TCSETAF(r2, 0x5408, &(0x7f0000000240)={0x101, 0x3, 0x4, 0x0, 0x14, "ce4be04ddde1bee6"}) ioctl$TIOCSETD(r1, 0x5412, &(0x7f0000000000)) r3 = openat$audio1(0xffffffffffffff9c, &(0x7f00000001c0)='/dev/audio1\x00', 0x6f000, 0x0) ioctl$SOUND_OLD_MIXER_INFO(r3, 0x80304d65, &(0x7f0000000200)) 13:40:20 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TCSETS(r0, 0x40045431, &(0x7f00003b9fdc)) r1 = syz_open_pts(r0, 0x0) ioctl$TIOCSETD(r1, 0x5423, &(0x7f0000000180)=0x5) ioctl$TCSETSF(r1, 0x5412, &(0x7f0000000040)={0xffffffdb, 0x0, 0x0, 0x0, 0x0, "b2e700"}) r2 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r2, 0x5423, &(0x7f0000000080)=0xe) ioctl$TIOCSETD(r2, 0x5412, &(0x7f0000000000)) r3 = open(&(0x7f0000000140)='./file0\x00', 0x40002, 0x8) sendfile(r3, 0xffffffffffffffff, 0x0, 0x2008000fffffffe) ioctl$VIDIOC_G_EDID(r3, 0xc0285628, &(0x7f00000000c0)={0x0, 0x400, 0x8001, [], &(0x7f0000000040)=0x3f}) ioctl$GIO_FONT(r1, 0x4b60, &(0x7f0000000100)=""/44) [ 3071.410837] batman_adv: batadv0: Adding interface: veth203 [ 3071.432859] batman_adv: batadv0: The MTU of interface veth203 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 13:40:21 executing program 4: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xf) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)=0xfdfdffff) [ 3071.474747] batman_adv: batadv0: Not using interface veth203 (retrying later): interface not active [ 3071.530497] mkiss: ax0: crc mode is auto. [ 3071.549790] batman_adv: batadv0: Adding interface: veth169 13:40:21 executing program 0: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TCSETS(r0, 0x5402, &(0x7f00000000c0)={0x0, 0x6, 0x10000000, 0x20, 0x1b, "d07fb590daa3fe2e90d5061c443d08604d6dbb"}) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xe) r1 = open(&(0x7f0000000140)='./file0\x00', 0x40002, 0x8) sendfile(r1, 0xffffffffffffffff, 0x0, 0x2008000fffffffe) connect$inet(r1, &(0x7f0000000040)={0x2, 0x4e23, @multicast1}, 0x10) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) [ 3071.573596] batman_adv: batadv0: The MTU of interface veth169 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 3071.607368] batman_adv: batadv0: Not using interface veth169 (retrying later): interface not active 13:40:21 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x6c00, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) 13:40:21 executing program 4: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xf) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)=0xfffffdfd) 13:40:21 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x4000, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) [ 3071.700834] mkiss: ax0: crc mode is auto. 13:40:21 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xe) r1 = openat$mice(0xffffffffffffff9c, &(0x7f0000000040)='/dev/input/mice\x00', 0x301c00) ioctl$sock_ax25_SIOCDELRT(r1, 0x890c, &(0x7f00000000c0)={@default, @bcast, 0x1, [@default, @default, @bcast, @remote={0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0x3}, @rose={0xbb, 0xbb, 0xbb, 0x1, 0x0}, @null, @rose={0xbb, 0xbb, 0xbb, 0x1, 0x0}, @null]}) r2 = dup(0xffffffffffffffff) r3 = dup(0xffffffffffffffff) ioctl$BLKIOMIN(r3, 0x1278, 0x0) write$P9_RSETATTR(r3, &(0x7f0000000180)={0x7}, 0x7) write$P9_RATTACH(r2, &(0x7f0000000100)={0x14, 0x69, 0x4001, {0x10, 0x2, 0x207}}, 0x14) r4 = dup(0xffffffffffffffff) ioctl$BLKIOMIN(r4, 0x1278, 0x0) write$P9_RSETATTR(r4, &(0x7f0000000180)={0x7}, 0x7) write$P9_RATTACH(r4, &(0x7f0000000100)={0xfffffffffffffd85, 0x69, 0x4001, {0x40, 0x2, 0x207}}, 0xd) openat$mice(0xffffffffffffff9c, &(0x7f0000000300)='/dev/input/mice\x00', 0x141200) ftruncate(0xffffffffffffffff, 0x2) ioctl$BLKIOMIN(r2, 0x1278, 0x0) write$P9_RSETATTR(r2, &(0x7f0000000180)={0x7}, 0x7) write$P9_RATTACH(r2, &(0x7f0000000100)={0xfffffffffffffd85, 0x69, 0x4001, {0x40, 0x2, 0x207}}, 0xd) vmsplice(r2, &(0x7f00000002c0)=[{&(0x7f0000000140)="9eb6f8a5ebb4b8efeb17e776cf0d369c158deee51f992bd9e9f41dc626b986d79e67c2e3c3b46f54d7a0d2f697bee6fb93d0359bb987d93b0c639f4e1312e7cc25753175bb4de275d0560055dd7b081a037fd1ffc9a9167ef2e1a93d687cc6c7f7b2814ccc331d1f8669b8a2040a954a5462f43dac6bf38bb1048cf612ce03547b17bcb16a1d97573b3fd79ea06c5dd9bb3a082b0acead214d80fbfcb0303468b14a94029f208751aff10c6ef7f137aaebfdc1266522d56e28754a5c654ef498adea95bd86d98acdad7aeea08646c78d5db3d0017d91e6c4c31f3d8bdae795eef95dc429da548075e623b70e", 0xec}, {&(0x7f0000000240)="95050ea16a33ee47cc41e9956ac0f94bcc9e5431fd6283be4992958b9cf72ab781ead27fa970bf2710c5effcdca06d4cff4213c7a5e604e9089f6945c0bac4aff94106b9100ea40f8ebef9b37a8d5d25f2f0b41e1645f0bfca1d1b3e2c066ad151596419c03923a1ad1c8dfb3e6ae676f83b318da97b38264f06dd8b71", 0x7d}], 0x2, 0x2) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) 13:40:21 executing program 0: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) getsockname$packet(0xffffffffffffffff, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xe) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)=ANY=[@ANYBLOB="662a38000000240007050000004007a2a300", @ANYRES32=r1, @ANYBLOB="000070d5fffffdff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000300)=ANY=[@ANYBLOB='h\x00\x00\x00,\x00\'\r\x00'/20, @ANYRES32=r1, @ANYBLOB], 0x68}}, 0x0) ioctl$sock_ipv6_tunnel_SIOCGETPRL(0xffffffffffffffff, 0x89f4, &(0x7f0000000040)={'ip6_vti0\x00', &(0x7f0000000180)={'sit0\x00', r1, 0x4, 0x9, 0x40, 0x93, 0x69, @private1={0xfc, 0x1, [], 0x1}, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02', 0x7800, 0x80, 0x7, 0x3}}) bpf$MAP_CREATE(0x0, &(0x7f0000000200)={0x10, 0x200, 0x4, 0x1ff, 0x268, 0x1, 0x9, [], r2, 0xffffffffffffffff, 0x2, 0x3, 0x2}, 0x40) r3 = openat$dlm_monitor(0xffffffffffffff9c, &(0x7f0000001380)='/dev/dlm-monitor\x00', 0x612280, 0x0) connect$bt_sco(r3, &(0x7f00000013c0)={0x1f, @fixed={[], 0x10}}, 0x8) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xe) r4 = open(&(0x7f0000000140)='./file0\x00', 0x40002, 0x8) sendfile(r4, 0xffffffffffffffff, 0x0, 0x2008000fffffffe) ioctl$SOUND_MIXER_INFO(r4, 0x805c4d65, &(0x7f00000000c0)) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) 13:40:21 executing program 3: ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x300, &(0x7f0000000200)={&(0x7f0000000640)=@newlink={0x20, 0x11, 0x40d, 0x0, 0x0, {0x5, 0x0, 0x0, r3}}, 0x20}, 0x1, 0x3f00}, 0x0) 13:40:21 executing program 4: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xf) r1 = open(&(0x7f0000000140)='./file0\x00', 0x40002, 0x8) sendfile(r1, 0xffffffffffffffff, 0x0, 0x2008000fffffffe) ioctl$TIOCGPTLCK(r1, 0x80045439, &(0x7f0000000040)) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) [ 3071.893338] batman_adv: batadv0: Adding interface: veth205 [ 3071.899025] batman_adv: batadv0: The MTU of interface veth205 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 13:40:21 executing program 4: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) r1 = open(&(0x7f0000000140)='./file0\x00', 0x40002, 0x8) sendfile(r1, 0xffffffffffffffff, 0x0, 0x2008000fffffffe) getsockname$packet(0xffffffffffffffff, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xe) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)=ANY=[@ANYBLOB="662a38000000240007050000004007a2a300", @ANYRES32=r2, @ANYBLOB="000070d5fffffdff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000400)=ANY=[@ANYBLOB='h\x00\x00\x00,\x00\'\r\x00'/20, @ANYRES32=r2, @ANYBLOB="5c7a94e6012633df7a14c5754f338753481409055aae9e0612499fd0265bdfaa5cbb54c6938576895875e8e28d273d4afcc566bf765070ae08a1f755c171cf2fd6ad82600b30a222a9ed495f73ace4cf2f5eca1ac17af8fa7fed133eb87623015c3f453a608f5774d19c4bb6151565b3da3429bfa2e22ed975c1379b50c57f6aeadf1df9eefbc43f33169f6c29d8219b37cae873cae6be7495470d720df33a90c182ae7aea638d8c8b18c77280d30d054d7ab2723e00387f2d23aa9816970684187c1c2b640041fc45f576c5e806f99aab440fce84b651598c81576bcbb2832e907a1aa0"], 0x68}}, 0x0) ioctl$sock_ipv6_tunnel_SIOCADDPRL(r1, 0x89f5, &(0x7f0000000040)={'ip6tnl0\x00', &(0x7f00000000c0)={'syztnl0\x00', r2, 0x4, 0x9, 0xa8, 0xd25, 0x40, @initdev={0xfe, 0x88, [], 0x0, 0x0}, @mcast2, 0x1, 0xe80, 0xff000000, 0x6}}) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xf) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) r3 = dup(0xffffffffffffffff) ioctl$BLKIOMIN(r3, 0x1278, 0x0) write$P9_RSETATTR(r3, &(0x7f0000000180)={0x7}, 0x7) write$P9_RATTACH(r3, &(0x7f0000000100)={0xfffffffffffffd85, 0x69, 0x4001, {0x40, 0x2, 0x207}}, 0xd) ioctl$SNDRV_TIMER_IOCTL_PVERSION(r3, 0x80045400, &(0x7f00000001c0)) 13:40:21 executing program 0: openat$ptmx(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ptmx\x00', 0x0, 0x0) r0 = dup(0xffffffffffffffff) ioctl$BLKIOMIN(r0, 0x1278, 0x0) write$P9_RSETATTR(r0, &(0x7f0000000180)={0x7}, 0x7) write$P9_RATTACH(r0, &(0x7f0000000100)={0xfffffffffffffd85, 0x69, 0x4001, {0x40, 0x2, 0x207}}, 0xd) r1 = dup(0xffffffffffffffff) ioctl$BLKIOMIN(r1, 0x1278, 0x0) write$P9_RSETATTR(r1, &(0x7f0000000180)={0x7}, 0x7) write$P9_RATTACH(r1, &(0x7f0000000100)={0xfffffffffffffd85, 0x69, 0x4001, {0x40, 0x2, 0x207}}, 0xd) r2 = dup(0xffffffffffffffff) ioctl$BLKIOMIN(r2, 0x1278, 0x0) write$P9_RSETATTR(r2, &(0x7f0000000180)={0x7}, 0x7) write$P9_RATTACH(r2, &(0x7f0000000100)={0xfffffffffffffd85, 0x69, 0x4001, {0x40, 0x2, 0x207}}, 0xd) ioctl$TIOCSETD(r2, 0x5412, &(0x7f0000000040)=0x6) [ 3072.038766] batman_adv: batadv0: Not using interface veth205 (retrying later): interface not active 13:40:21 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xe) r1 = open(&(0x7f0000000140)='./file0\x00', 0x40002, 0x8) sendfile(r1, 0xffffffffffffffff, 0x0, 0x2008000fffffffe) setsockopt$inet6_IPV6_DSTOPTS(r1, 0x29, 0x3b, &(0x7f0000000040)={0x0, 0x7, [], [@pad1, @enc_lim={0x4, 0x1, 0x36}, @calipso={0x7, 0x28, {0x1, 0x8, 0x7, 0x6, [0x3ff, 0x2, 0x2, 0x4b0]}}, @jumbo={0xc2, 0x4, 0xfffffc2c}, @padn]}, 0x40) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) [ 3072.107806] batman_adv: batadv0: Adding interface: veth171 [ 3072.129891] batman_adv: batadv0: The MTU of interface veth171 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 13:40:21 executing program 4: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xf) r1 = syz_open_procfs$namespace(0x0, &(0x7f00000000c0)='ns/mnt\x00') setns(r1, 0x0) dup(r1) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) r2 = open(&(0x7f0000000140)='./file0\x00', 0x40002, 0x8) sendfile(r2, 0xffffffffffffffff, 0x0, 0x2008000fffffffe) sendmsg$nl_crypto(r2, &(0x7f0000000280)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f0000000240)={&(0x7f0000000100)=@get={0x108, 0x13, 0x400, 0x70bd2d, 0x25dfdbfb, {{'sha3-224-generic\x00'}, [], [], 0x400, 0x2000}, [{0x8, 0x1, 0x2}, {0x8, 0x1, 0x9}, {0x8, 0x1, 0x8325}, {0x8, 0x1, 0x100}, {0x8, 0x1, 0x3f}]}, 0x108}, 0x1, 0x0, 0x0, 0x4040}, 0x4000001) 13:40:21 executing program 0: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xe) r1 = open(&(0x7f0000000140)='./file0\x00', 0x40002, 0x8) sendfile(r1, 0xffffffffffffffff, 0x0, 0x2008000fffffffe) ioctl$TIOCSETD(r1, 0x5412, &(0x7f0000000000)=0x1a) [ 3072.180739] batman_adv: batadv0: Not using interface veth171 (retrying later): interface not active [ 3072.253540] nla_parse: 44 callbacks suppressed [ 3072.253551] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. [ 3072.277124] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 13:40:21 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x7400, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) 13:40:21 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0xa440, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xe) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) [ 3072.362821] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. 13:40:22 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x4800, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) 13:40:22 executing program 0: r0 = open(&(0x7f0000000140)='./file0\x00', 0x40002, 0x8) sendfile(r0, 0xffffffffffffffff, 0x0, 0x2008000fffffffe) recvfrom$rxrpc(r0, &(0x7f00000000c0)=""/198, 0xc6, 0x40000000, &(0x7f0000000040)=@in4={0x21, 0x0, 0x2, 0x10, {0x2, 0x5, @loopback}}, 0x24) r1 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r1, 0x5423, &(0x7f0000000080)=0xe) setsockopt$netlink_NETLINK_CAP_ACK(0xffffffffffffffff, 0x10e, 0xa, &(0x7f00000001c0)=0x7, 0x4) ioctl$TIOCSETD(r1, 0x5412, &(0x7f0000000000)) 13:40:22 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000040)=0x15) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) 13:40:22 executing program 3: ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x3f02, &(0x7f0000000200)={&(0x7f0000000640)=@newlink={0x20, 0x11, 0x40d, 0x0, 0x0, {0x5, 0x0, 0x0, r3}}, 0x20}, 0x1, 0x3f00}, 0x0) 13:40:22 executing program 4: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000040)=0xf) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) r1 = shmat(0x0, &(0x7f0000dcb000/0x4000)=nil, 0x0) shmdt(r1) shmdt(r1) [ 3072.488975] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. [ 3072.565786] batman_adv: batadv0: Adding interface: veth207 [ 3072.609949] batman_adv: batadv0: The MTU of interface veth207 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 13:40:22 executing program 4: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xf) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) openat$vcsu(0xffffffffffffff9c, &(0x7f0000000040)='/dev/vcsu\x00', 0x80700, 0x0) ioctl$TCGETS(r0, 0x5401, &(0x7f00000000c0)) 13:40:22 executing program 0: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xe) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) r1 = open(&(0x7f0000000140)='./file0\x00', 0x40002, 0x8) sendfile(r1, 0xffffffffffffffff, 0x0, 0x2008000fffffffe) getsockopt$IPT_SO_GET_REVISION_MATCH(r1, 0x0, 0x42, &(0x7f0000000040)={'icmp6\x00'}, &(0x7f00000000c0)=0x1e) [ 3072.771508] batman_adv: batadv0: Not using interface veth207 (retrying later): interface not active [ 3072.834301] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. [ 3072.939233] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 13:40:22 executing program 4: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xf) r1 = dup(0xffffffffffffffff) ioctl$BLKIOMIN(r1, 0x1278, 0x0) write$P9_RSETATTR(r1, &(0x7f0000000180)={0x7}, 0x7) write$P9_RATTACH(r1, &(0x7f0000000100)={0xfffffffffffffd85, 0x69, 0x4001, {0x40, 0x2, 0x207}}, 0xd) ioctl$UI_BEGIN_FF_ERASE(r1, 0xc00c55ca, &(0x7f00000000c0)={0x5, 0xffffffff, 0x20000000}) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) 13:40:22 executing program 0: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0xa4d01, 0x0) ioctl$TIOCSETD(0xffffffffffffffff, 0x5423, &(0x7f0000000080)=0xe) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) ioctl$TIOCL_SELLOADLUT(r0, 0x541c, &(0x7f0000000040)={0x5, 0x2, 0x9, 0x0, 0x2}) [ 3073.201752] batman_adv: batadv0: Adding interface: veth175 [ 3073.207526] batman_adv: batadv0: The MTU of interface veth175 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 13:40:22 executing program 4: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000180)='/dev/ptmx\x00', 0x12802, 0x0) r1 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000100)='/dev/dlm-control\x00', 0x90000, 0x0) ioctl$KDGETLED(r1, 0x4b31, &(0x7f0000000140)) fsetxattr$security_ima(r0, &(0x7f0000000040)='security.ima\x00', &(0x7f00000000c0)=@md5={0x1, "8fca02f46adb6b598251820194025f7b"}, 0x11, 0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xf) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) bpf$LINK_GET_NEXT_ID(0x1f, &(0x7f0000000200)={0x1, 0xffffffffffffffff}, 0x8) bpf$LINK_GET_FD_BY_ID(0x1e, &(0x7f0000000240)=r2, 0x4) r3 = dup(0xffffffffffffffff) ioctl$BLKIOMIN(r3, 0x1278, 0x0) write$P9_RSETATTR(r3, &(0x7f0000000180)={0x7}, 0x7) getsockopt$sock_linger(r1, 0x1, 0xd, &(0x7f0000000280), &(0x7f00000002c0)=0x8) write$P9_RATTACH(r3, &(0x7f0000000100)={0xfffffffffffffd85, 0x69, 0x4001, {0x40, 0x2, 0x207}}, 0xd) ioctl$KVM_SET_BOOT_CPU_ID(r3, 0xae78, &(0x7f00000001c0)=0x1) [ 3073.387178] batman_adv: batadv0: Not using interface veth175 (retrying later): interface not active [ 3073.453379] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. [ 3073.513076] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 13:40:23 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x7a00, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) 13:40:23 executing program 0: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) r1 = open(&(0x7f0000000140)='./file0\x00', 0x40002, 0x8) sendfile(r1, 0xffffffffffffffff, 0x0, 0x2008000fffffffe) r2 = syz_open_dev$tty1(0xc, 0x4, 0x3) splice(r1, &(0x7f0000000080)=0x800, r2, &(0x7f00000000c0)=0x10000008, 0xfffffffffffff23f, 0xa) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000040)=0xe) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) [ 3073.577241] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. 13:40:23 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x4c00, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) 13:40:23 executing program 4: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xf) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)=0x18) [ 3073.766787] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. [ 3073.905193] batman_adv: batadv0: Adding interface: veth209 [ 3073.927838] batman_adv: batadv0: The MTU of interface veth209 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 3074.088274] batman_adv: batadv0: Not using interface veth209 (retrying later): interface not active 13:40:23 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x587000, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xe) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) 13:40:23 executing program 3: ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x3f03, &(0x7f0000000200)={&(0x7f0000000640)=@newlink={0x20, 0x11, 0x40d, 0x0, 0x0, {0x5, 0x0, 0x0, r3}}, 0x20}, 0x1, 0x3f00}, 0x0) 13:40:23 executing program 0: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x8000, 0x0) r1 = dup(0xffffffffffffffff) ioctl$BLKIOMIN(r1, 0x1278, 0x0) write$P9_RSETATTR(r1, &(0x7f0000000180)={0x7}, 0x7) write$P9_RATTACH(r1, &(0x7f0000000100)={0xfffffffffffffd85, 0x69, 0x4001, {0x40, 0x2, 0x207}}, 0xd) ioctl$NBD_SET_BLKSIZE(r1, 0xab01, 0x4) ioctl$VIDIOC_S_EXT_CTRLS(0xffffffffffffffff, 0xc0205648, &(0x7f0000000100)={0xfffffff, 0x80, 0x3, 0xffffffffffffffff, 0x0, &(0x7f00000000c0)={0x9909cc, 0x7fff, [], @p_u8=&(0x7f0000000040)=0x61}}) r3 = dup(0xffffffffffffffff) ioctl$BLKIOMIN(r3, 0x1278, 0x0) write$P9_RSETATTR(r3, &(0x7f0000000180)={0x7}, 0x7) write$P9_RATTACH(r3, &(0x7f0000000100)={0xfffffffffffffd85, 0x69, 0x4001, {0x40, 0x2, 0x207}}, 0xd) ioctl$IMGETVERSION(r3, 0x80044942, &(0x7f0000000340)) sendmsg$AUDIT_TTY_GET(r2, &(0x7f0000000200)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x10, 0x3f8, 0x100, 0x70bd2b, 0x25dfdbfc, "", ["", ""]}, 0x10}, 0x1, 0x0, 0x0, 0x4000881}, 0x20000001) sendmsg$IPCTNL_MSG_EXP_DELETE(r1, &(0x7f0000000300)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f00000002c0)={&(0x7f0000000240)={0x68, 0x2, 0x2, 0x201, 0x0, 0x0, {0xa, 0x0, 0x9}, [@CTA_EXPECT_CLASS={0x8, 0x9, 0x1, 0x0, 0x81}, @CTA_EXPECT_MASK={0x18, 0x3, 0x0, 0x1, [@CTA_TUPLE_ZONE={0x6, 0x3, 0x1, 0x0, 0x1}, @CTA_TUPLE_PROTO={0xc, 0x2, 0x0, 0x1, {0x5, 0x1, 0x1}}]}, @CTA_EXPECT_FN={0x13, 0xb, 'callforwarding\x00'}, @CTA_EXPECT_ID={0x8, 0x5, 0x1, 0x0, 0x5}, @CTA_EXPECT_MASK={0x18, 0x3, 0x0, 0x1, [@CTA_TUPLE_ZONE={0x6, 0x3, 0x1, 0x0, 0x1}, @CTA_TUPLE_PROTO={0xc, 0x2, 0x0, 0x1, {0x5, 0x1, 0x3a}}]}]}, 0x68}, 0x1, 0x0, 0x0, 0x840}, 0x0) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) 13:40:23 executing program 4: ioctl$BLKIOMIN(0xffffffffffffffff, 0x1278, 0x0) write$P9_RSETATTR(0xffffffffffffffff, &(0x7f0000000180)={0x7}, 0x7) write$P9_RATTACH(0xffffffffffffffff, &(0x7f0000000100)={0xfffffffffffffd85, 0x69, 0x4001, {0x40, 0x2, 0x207}}, 0xd) r0 = open(&(0x7f0000000140)='./file0\x00', 0x40002, 0x8) sendfile(r0, 0xffffffffffffffff, 0x0, 0x2008000fffffffe) r1 = dup(0xffffffffffffffff) ioctl$BLKIOMIN(r1, 0x1278, 0x0) write$P9_RSETATTR(r1, &(0x7f0000000180)={0x7}, 0x7) write$P9_RATTACH(r1, &(0x7f0000000100)={0xfffffffffffffd85, 0x69, 0x4001, {0x40, 0x2, 0x207}}, 0xd) r2 = dup(0xffffffffffffffff) ioctl$BLKIOMIN(r2, 0x1278, 0x0) write$P9_RSETATTR(r2, &(0x7f0000000180)={0x7}, 0x7) write$P9_RATTACH(r2, &(0x7f0000000100)={0xfffffffffffffd85, 0x69, 0x4001, {0x40, 0x2, 0x207}}, 0xd) sendmsg$NBD_CMD_STATUS(0xffffffffffffffff, &(0x7f00000002c0)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f0000000280)={&(0x7f0000000300)=ANY=[@ANYBLOB='x\x00\x00\x00', @ANYRES16=0x0, @ANYBLOB="100c2dbd7000fedbdf25050000002400078008000100", @ANYRES32, @ANYBLOB="08000100", @ANYRES32=r0, @ANYBLOB="08000100", @ANYRES32=r1, @ANYBLOB="08000100", @ANYRES32=r2, @ANYBLOB="080004003100f3f490bb6200000c00050025000000000000000c00030000000000000000000c000200400000000000100008000100000000000c00fb002000000000000000"], 0x78}, 0x1, 0x0, 0x0, 0x4000800}, 0x48000) r3 = open(&(0x7f0000000140)='./file0\x00', 0x40002, 0x8) sendfile(r3, 0xffffffffffffffff, 0x0, 0x2008000fffffffe) ioctl$SNDRV_TIMER_IOCTL_STATUS64(r3, 0x80605414, &(0x7f00000000c0)) r4 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r4, 0x5423, &(0x7f0000000080)=0xf) ioctl$TIOCSETD(r4, 0x5412, &(0x7f0000000000)) [ 3074.179643] batman_adv: batadv0: Adding interface: veth177 [ 3074.197835] batman_adv: batadv0: The MTU of interface veth177 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 13:40:23 executing program 4: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xf) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) r1 = dup(0xffffffffffffffff) ioctl$BLKIOMIN(r1, 0x1278, 0x0) write$P9_RSETATTR(r1, &(0x7f0000000180)={0x7}, 0x7) write$P9_RATTACH(r1, &(0x7f0000000100)={0xfffffffffffffd85, 0x69, 0x4001, {0x40, 0x2, 0x207}}, 0xd) sendmsg$IPSET_CMD_GET_BYNAME(r1, &(0x7f00000001c0)={&(0x7f00000000c0), 0xc, &(0x7f0000000180)={&(0x7f00000002c0)=ANY=[@ANYBLOB="540000000e0605000000000000000000050000080900020073797a320000000009000200730700000005000100070000000900020073797a3000006f5afd64020073797a3200000000434427230ab612175dd57ea7e6b1f285dcb6a9ff4909bba202a5c82d4877b8eed7f809352b937b6f318a51eeedd6bd0516d517963d3a1d950e598d88632a0005438ff297fe3b1dfcd8ce723c6a33ee63a3319ec26f8315696f073effc8d572c34dc6d6c1b70f27d1"], 0x54}, 0x1, 0x0, 0x0, 0x20000000}, 0x20040888) [ 3074.256649] batman_adv: batadv0: Not using interface veth177 (retrying later): interface not active 13:40:23 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x7d47, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) 13:40:23 executing program 0: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040)='/dev/ptmx\x00', 0x4e640, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xe) r1 = open(&(0x7f0000000140)='./file0\x00', 0x40002, 0x8) ioctl$BINDER_SET_CONTEXT_MGR(r1, 0x40046207, 0x0) sendfile(r1, 0xffffffffffffffff, 0x0, 0x2008000fffffffe) ioctl$SCSI_IOCTL_DOORLOCK(r1, 0x5380) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) 13:40:23 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) r1 = inotify_init1(0x0) fcntl$setown(r1, 0x8, 0xffffffffffffffff) fcntl$getownex(r1, 0x10, &(0x7f00000000c0)={0x0, 0x0}) tkill(r2, 0x13) r3 = syz_open_dev$vcsu(&(0x7f0000000040)='/dev/vcsu#\x00', 0x10f5, 0x20400) bpf$BPF_TASK_FD_QUERY(0x14, &(0x7f0000000100)={r2, r3, 0x0, 0xa, &(0x7f00000000c0)='/dev/ptmx\x00', 0xffffffffffffffff}, 0x30) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xe) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) 13:40:23 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x5865, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) 13:40:24 executing program 4: r0 = open(&(0x7f0000000140)='./file0\x00', 0x40002, 0x8) sendfile(r0, 0xffffffffffffffff, 0x0, 0x2008000fffffffe) sendmsg$NFNL_MSG_CTHELPER_GET(r0, &(0x7f00000001c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0xb0, 0x1, 0x9, 0x101, 0x0, 0x0, {0x0, 0x0, 0xa}, [@NFCTH_PRIV_DATA_LEN={0x8, 0x5, 0x1, 0x0, 0x6}, @NFCTH_TUPLE={0x64, 0x2, [@CTA_TUPLE_ZONE={0x6, 0x3, 0x1, 0x0, 0x1}, @CTA_TUPLE_ZONE={0x6, 0x3, 0x1, 0x0, 0x3}, @CTA_TUPLE_ZONE={0x6, 0x3, 0x1, 0x0, 0x1}, @CTA_TUPLE_IP={0x2c, 0x1, 0x0, 0x1, @ipv6={{0x14, 0x3, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01'}, {0x14, 0x4, @private0={0xfc, 0x0, [], 0x1}}}}, @CTA_TUPLE_ZONE={0x6, 0x3, 0x1, 0x0, 0x4}, @CTA_TUPLE_IP={0x14, 0x1, 0x0, 0x1, @ipv4={{0x8, 0x1, @multicast2}, {0x8, 0x2, @initdev={0xac, 0x1e, 0x0, 0x0}}}}]}, @NFCTH_NAME={0x9, 0x1, 'syz1\x00'}, @NFCTH_QUEUE_NUM={0x8}, @NFCTH_TUPLE={0x14, 0x2, [@CTA_TUPLE_ZONE={0x6, 0x3, 0x1, 0x0, 0x4}, @CTA_TUPLE_ZONE={0x6, 0x3, 0x1, 0x0, 0x2}]}, @NFCTH_STATUS={0x8, 0x6, 0x1, 0x0, 0x1}]}, 0xb0}, 0x1, 0x0, 0x0, 0x24004000}, 0x20004001) r1 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r1, 0x5423, &(0x7f0000000080)=0xf) ioctl$TIOCSETD(r1, 0x5412, &(0x7f0000000000)) 13:40:24 executing program 3: ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x3f04, &(0x7f0000000200)={&(0x7f0000000640)=@newlink={0x20, 0x11, 0x40d, 0x0, 0x0, {0x5, 0x0, 0x0, r3}}, 0x20}, 0x1, 0x3f00}, 0x0) [ 3074.462727] batman_adv: batadv0: Adding interface: veth211 13:40:24 executing program 0: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xe) r1 = dup(0xffffffffffffffff) ioctl$BLKIOMIN(r1, 0x1278, 0x0) write$P9_RSETATTR(r1, &(0x7f0000000180)={0x7}, 0x7) r2 = open(&(0x7f0000000140)='./file0\x00', 0x40002, 0x8) sendfile(r2, 0xffffffffffffffff, 0x0, 0x2008000fffffffe) write$P9_RATTACH(r2, &(0x7f0000000100)={0x14, 0x69, 0x4001, {0x20, 0x2, 0x3}}, 0x4) ioctl$TCGETX(r1, 0x5432, &(0x7f0000000040)) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)=0xc) [ 3074.491574] batman_adv: batadv0: The MTU of interface veth211 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 13:40:24 executing program 2: r0 = dup(0xffffffffffffffff) ioctl$BLKIOMIN(r0, 0x1278, 0x0) write$P9_RSETATTR(r0, &(0x7f0000000180)={0x7}, 0x7) ioctl$SNDRV_CTL_IOCTL_SUBSCRIBE_EVENTS(0xffffffffffffffff, 0xc0045516, &(0x7f00000000c0)=0x6) write$P9_RATTACH(r0, &(0x7f0000000100)={0xfffffffffffffd85, 0x69, 0x4001, {0x40, 0x2, 0x207}}, 0xd) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r0, 0x8933, &(0x7f0000000040)={'batadv_slave_1\x00'}) r1 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r1, 0x5423, &(0x7f0000000080)=0xe) ioctl$TIOCSETD(r1, 0x5412, &(0x7f0000000000)) 13:40:24 executing program 4: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xf) pipe(&(0x7f0000000000)={0xffffffffffffffff}) ioctl$TIOCSETD(r1, 0x5412, &(0x7f0000000040)) [ 3074.546304] batman_adv: batadv0: Not using interface veth211 (retrying later): interface not active 13:40:24 executing program 0: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xe) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) r1 = open(&(0x7f0000000140)='./file0\x00', 0x40002, 0x8) sendfile(r1, 0xffffffffffffffff, 0x0, 0x2008000fffffffe) r2 = dup2(r0, r0) ioctl$VHOST_NET_SET_BACKEND(r1, 0x4008af30, &(0x7f0000000040)={0x1, r2}) [ 3074.656197] batman_adv: batadv0: Adding interface: veth179 13:40:24 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) open(&(0x7f0000000080)='./file0\x00', 0x101000, 0x152) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000040)=0xe) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) syz_open_dev$ndb(&(0x7f00000000c0)='/dev/nbd#\x00', 0x0, 0x274400) 13:40:24 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x8100, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) [ 3074.682605] batman_adv: batadv0: The MTU of interface veth179 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 13:40:24 executing program 4: r0 = open(&(0x7f0000000140)='./file0\x00', 0x40002, 0x8) sendfile(r0, 0xffffffffffffffff, 0x0, 0x2008000fffffffe) getsockname(r0, &(0x7f0000001e00)=@pppol2tpv3={0x18, 0x1, {0x0, 0xffffffffffffffff, {0x2, 0x0, @multicast1}}}, &(0x7f0000001e80)=0x80) ioctl$sock_rose_SIOCDELRT(r1, 0x890c, &(0x7f0000003a80)={@remote={0xcc, 0xcc, 0xcc, 0xcc, 0x1}, 0xa76d, @default, @rose={'rose', 0x0}, 0x0, [@null, @rose={0xbb, 0xbb, 0xbb, 0x1, 0x0}, @remote={0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0x0}, @bcast, @default, @remote={0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0x0}, @null, @default]}) r2 = dup(0xffffffffffffffff) ioctl$BLKIOMIN(r2, 0x1278, 0x0) write$P9_RSETATTR(r2, &(0x7f0000000180)={0x7}, 0x7) write$P9_RATTACH(r2, &(0x7f0000000100)={0xfffffffffffffd85, 0x69, 0x4001, {0x40, 0x2, 0x207}}, 0xd) r3 = open(&(0x7f0000000140)='./file0\x00', 0x40002, 0x8) sendfile(r3, 0xffffffffffffffff, 0x0, 0x2008000fffffffe) ioctl$DMA_BUF_IOCTL_SYNC(r3, 0x40086200, &(0x7f0000002040)=0x2) fcntl$F_GET_FILE_RW_HINT(r3, 0x40d, &(0x7f0000000080)) setsockopt$nfc_llcp_NFC_LLCP_MIUX(r2, 0x118, 0x1, &(0x7f0000000700)=0x7f, 0x4) sendmmsg$nfc_llcp(r0, &(0x7f00000038c0)=[{&(0x7f0000000000)={0x27, 0x0, 0x1, 0x5, 0x0, 0x7f, "d2f174a387aa5c82d69b6633a87305e10a9b50d7e5cf87fb2ca8ec4a267843772cce44e22ccd37204ac7259f2b7f9122e3818e41d8587cf90478fc4d5d0d40", 0x2b}, 0x60, &(0x7f0000000140)=[{&(0x7f00000000c0)="6ac4ebfa00ecb073dccead9e0aa7e188bb4c2a639bffe21ae0fef575c4feed083cece7744be86ee90d46e4ab5c9146c8dbe1e41f39cabe55c083f60eb9c66429bcb84f9ac8c0a06e35a7f86fe073ab38cd1e718abfcdfa5e8a2f7dec215785403ef1ee684fe5c140893fc5d45b952bd26c3a5469956a94b250ae", 0x7a}], 0x1, &(0x7f0000000180)={0x58, 0x0, 0x100, "c6620ecac81761d48cd9d2a97a4706149b4f83da82761bb2ce5fe2825c46dc15f90f94c3d04d1de23fee7d256567b61f35b82bc467dd186cda375f06c999f1f2f846f1"}, 0x58, 0x20040000}, {&(0x7f0000000200)={0x27, 0x1, 0x0, 0x7, 0x7f, 0x1, "5c147d4472c0fefe787839c3deca25c0f3e08df4892373a66b62f78419d196d37b3d5ae20a1725f137be4496f799eb660859203a153f3e69384b64401b0556", 0x20}, 0x60, &(0x7f0000000540)=[{&(0x7f0000001f40)="533f3bc75fa3611382c8c4e860a034e21167307ffc84c92ae0d1c6484209a3da909f0e467286ec56528fdb918e05399620c0d030ea8ed7a1257b5a7e41e2b7e788c035090df72fab0ebcfef03bdbf49423e696cbc3e468dbea0549825761a949627da06c01a3ae03dd9c55b245fcbacfa8b80dd5348dea340c249c9d8d41be962e4fd29e2fb0e19d0af7c15115bf62d6454d1d808ae9d7b206c94465dfd38aa8a334572d25754a357ef9f1c3592f977e19a12d5be6860db94e1ae0192ff51cf29db66605e69ebe60e2e17aa0e0eee0b530c74c2d", 0xd4}, {&(0x7f0000000380)="6883149ee6a64941d296a0f81eb3a06ecc1440b29113529924096a0f3b1117354d3b4d084d6089305deb8fc0ac273a3b463caf5a7ffa88ac7522b14c7c51b26906b6615c554f651b9ea7fd61316badf7a6f88e70d0f024915e26bb03aa4654a0cc5447059f907c0d768208341c195877e4e70927b70f88ab93c86cdf6fd4cc4def2f04cab7b79f04b04d73805f8c63539d82e3752af6039a7768d407603afc0239335a897709ca3df8c097215cbaf5cd7373", 0xb2}, {&(0x7f0000000440)="33b9132bd183b96809c362314cd307e360a3491c743d675d1e302c9d1415940d7c40a7168276ddd2742b89e58502d3743a75e266defb248aa2c39c06c8e3deb1664dd75be01adccc6d9cbef3190da6e17ef95bbbed90cd16c7f9e9aaae74f6806a22a9580fda2ba59b745a0d4a978e92a3db92bf589098d8429ec93f8116c2435f5054638ba5f30c60844eb98aae70597d7200e639017b713d4592f7fb3f84cffbbbc81323c0cff704e7ea528803a695c227e3d6f51e55ef114eaec10769874408c8c772b69e0d8bd6d1534fe6eb0aabeb885cfed204343f1235dfcfb8f3ed2a57eb8116177df27de3558e346f482cb83399de2a17761b", 0xf7}], 0x3, &(0x7f0000000580)=ANY=[@ANYBLOB="780000000000000002010000050000005db990c70bea9297f2eece503ad9eaa19cec078cc65f386f71ee4bc442be55386c020b092b41870b17a38fd96f9cc952c6368677f09544b85e97ec6f268a0a9322e3df75232f6682dbb41971f4448b1eecd158178cf8a82a64806cf225e306abb3b90c7c4e3ac9eb"], 0x78, 0x4}, {&(0x7f0000000280)={0x27, 0x0, 0x1, 0x7, 0x9, 0x5, "f11af1abd9ab1ee5319a054f51485e2831ad852e8469efad150c9a262b193d8e5eb31bdf829772b3ff923a94b9e75b4cec4104596606469be90e0fb6e7cd38", 0x1d}, 0x60, &(0x7f0000000800)=[{&(0x7f0000000680)="043497fd7eb01f8185f17c3c953014483d90738a291478ae5e2adbfc86c2df191cdcc5f804e61a2061cf87f3a69bceae7d938ab9e466eeace06462767ffb16855fc2847d6a08cc766192ad289f76b9027ce2c30585df836a958f94258dfb19888ef0099ef2de9b831edb", 0x6a}, {&(0x7f0000000700)}, {&(0x7f0000000740)="bde3aeed05223f488c4ee4ff6b7a235cb3250650b489641bc3cfde80869cf3bfbf5feafd44de70672f882b3cc00609005617fc0b4dc46a3a7c7ca4cb30dbd9b1955da4a139a785108f42fb5620fb3913963e", 0x52}, {&(0x7f00000007c0)="0cf7bd18756911fe3f41e7cd4aa31915c17b9bf57d539a5c8a031b904ec3959e38dec1", 0x23}], 0x4, &(0x7f0000000840)={0x1010, 0x10b, 0x3f, "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0x1010, 0x800}, {&(0x7f0000001880)={0x27, 0x1, 0x0, 0x7, 0x9, 0xad, "88b5caf8713f6c98e0ac3b16cd59f1a0dfab670f29b155a0c09cbda413dc938aab5646b73c571b1ec4df322c551c82356ebfae7d8211f96b890dc23006fe34", 0x29}, 0x60, &(0x7f0000001a40)=[{&(0x7f0000001900)="257cfe462b6a52a3c4445144128ede8e73c25331467e2a23fc080c18d91aab2186288289d00939b945c6984fb6e5163c17bdbcd73dbe0ad2b6ce28c161eb4fd89b7ed66927496bdf7a608db9259eefc1c8b9b1449be6c24f019cae487c16398b1c21b9f43bfd963a05b460277c6b87757d4b0089b18f66c2ed2277", 0x7b}, {&(0x7f0000001980)="9cd3865c4842aa959bfaadcd612b4017aa3946a1f5119a643103eb52bce6e06882b448133897b77c5cf1ee85bf598a9cd34084e354aa9a378901ca60cf47aa7a52b31253d49b869854d469bf3610c158eeb6be8ae1b63bbb0322b86e2bf3a246656e794a01046f99576c08bf05d115a9efd8632d4d49420191cd48a2e4dd0ac5ebb919cbd85a2533ec602c38d30fe1f16b351a02a65138e12e23ed60f1076dfafe0a189af8", 0xa5}], 0x2, &(0x7f0000001a80)={0x30, 0x115, 0x9, "0ddc7b1598520999ec10e56ba99109508aa1cc0d60e8750776146a30ac043c"}, 0x30, 0x20004040}, {&(0x7f0000001ac0)={0x27, 0x1, 0x2, 0x1, 0x3, 0x3f, "d038b7aa7abbae803b4d321999cb193b0e24c7818005ccfc12234c6adb48037fe5e1e6fbcf3ee8a092cff8b9eb2b2af7b0211961d46f83d0c86e381cfd3116", 0x3b}, 0x60, &(0x7f0000001dc0)=[{&(0x7f0000001b40)="602c55c656957df0672ba4d1f2a49d947045d09588d325787bbfcdb8fdf30a09f379bf84841ce5f216d2474cf536fe66bc4e0873e20b09f0e85c3745d24e4e626110f02c5ea098d0b3bb1c08398f0ca285fca0f158d44201b1a32b9e12e6ac24a32a5f58619209296197b2a2742a5fb1845800871cfd0950f5b7543a5788d5a34d6150fb7b3b9e1d093b67b758a3ddbacc64328b14ade1f284e0c59f0c046f57537fb06d6e37c58766ac4d5de58ac4a866ad993eb0a24388f6c784b884ccc97509a1ea04b8efeb919aa3fa52572c56a574", 0xd1}, {&(0x7f0000001c40)="457ac9c74a667142cd85ad56be332c2a499f2d2d5efd345b5a0959870bf64f2530de57d79d85e84aedced0511fc782bf1e3841ea7de20ba21af10a877cf5c8507323f6a8317ed6dd179499af2fd477d380db900b58e4418101102ba1c070d5b17209db3e7cb2a688d1d88aa900f3d80a3e43db509a62afea57", 0x79}, {&(0x7f0000001cc0)="e9fa64c5951dd6a8920caad3c6c471c2de40ffc3a9c6ff36a4f70999175ce8b1943d81cc602198da3e0b878b05a277a9f485e9cecfbee2e75bbaa30e54226030c9804db028b30fadfefaa79dd25a492ef2ad935578759ee85f7edfcfb8a7fd436ff4a4eb5a79d57e08dbcc5b3a61a05cfb7046854e960ded1a00180e5a50d92a5d7ea9611822209796d6d62132cbcd51845cccee09f3ec1bae5a00b35ef391aedc07a45ce3b82cbfcf9b5c969d799ffde78f612bd0691f394619f1f7578b9ab43251c9a382ee70f994f89eb922553e3da016c0e28c8248be2ab284a2da29b7e6190a1c7a5265bc7607", 0xe9}], 0x3, &(0x7f0000003bc0)={0x170, 0x11, 0x4, "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"}, 0x170, 0x1}, {&(0x7f0000001ec0)={0x27, 0x1, 0x2, 0x2, 0x9, 0x4, "14f21601cad276c42100a3561d5581936e7f0b9d8e4af6e679fbb3b9258f065c554992249bf45127878075194635661a80931b743b847c337b1beb19aad2cb", 0x32}, 0x60, &(0x7f0000003180), 0x0, &(0x7f00000031c0)={0x40, 0x116, 0x1, "4a97a84b98c7987dde4e6ec44ff47d7de0468dba603d4a32b4886301fa9ff6f8c454200b29c246cf42e31d"}, 0x40}, {&(0x7f0000003200)={0x27, 0x0, 0x0, 0x7, 0xdc, 0x7, "23efdb0b51921179bd9dabd4ca4dfa93de737502321abf45f2a8f2dbb50378d82b655502623faec0ef836c5760dc30ac30386e1b08b086c492fd0f4c256de7", 0x2d}, 0x60, &(0x7f0000003540)=[{&(0x7f0000003280)="22996219c092dc0cad6a75f8417e071172592da927e0d4167792d47199004a005483ec24f4cd44deee8fef3a32ebc9dd0ec761455a70744ee5d66c0d8bd9753e1a2b649ed38d516c2aadba63a9d1b015541ab4a356c94593e91144ceaec10cce756340b63dd5aab5c978c380574b0085d05c9df8fee5a7a54b0cbe7535f26ad7d4475bb34ce0d5d97f26cccec59d228ea9270e56727897bcf3bf14e52dec74aad766cfdf5bd28ae53336a10bb6605d8e2a12a7cf05424db83e3781dde985876026581b2577e82642fd2417028674116716810f8c283d9e12395f97adab37006289eeef8c9d1a4d26fd9939056d0b64", 0xef}, {&(0x7f0000003380)="6bcbe27d6bc4efe5c624a545fbe9350f007585d31cf6314a91775848eb9f87ce67ab4eb7b1a6e380c63f01e56e4c8651a4ce9594ae6683ccd17d8948d93ac09adf09e59b51db6643563f28b9b637aa7a389a5eac", 0x54}, {&(0x7f0000003400)="571a10eec68feceee964310fdb1bc93a87096f2390632af92f5c30dbea8183814dbfaf6a6fb8139ebb99ec3ee94a481800e944de3ecbec366da51de9f68f2412f6f70ba5d785f6020e2b48f9d121124490eb98a614894fef6152d9f1b522e3ecbb61f559187bad25cf0bf14eb590429d41d0201e8f4eeb", 0x77}, {&(0x7f0000003480)="f167ad8de580d7b5602b5749d655a3d6fb6b04a387804757cb8bea750c060d7ad3e04848c7d4802ed991c955dfe2a852a4bf3c1576348ff8374e1d9bc158", 0x3e}, {&(0x7f00000034c0)="f750c40c99eaf52d8882b188cc716af069a8c2f80283dda2f016e69673511c613f2c2a26a8169a8585f48d61283c541da6c0f90369e60b7f3d79cb459221760fb515d3c0f66ef3dc03bbb6c683cfe8", 0x4f}], 0x5, &(0x7f00000035c0)={0x60, 0x3a, 0xfffffeff, "0225c4ece7c934b07f4bed2ba1d68427d88410b000f91555be59b0b4700c978bdf8eb983c738d7083a1b2fa71cd9b397b3ff8d5d4575fa7f0383e51a159f2166adfed64b3e4cbffef495695629dd6aa3"}, 0x60, 0x40}, {&(0x7f0000003640)={0x27, 0x0, 0x2, 0x7, 0x8, 0x7f, "4cea52962f1e1eb15722dc40de23ae4c161d68ae781f331563ec4c78043c87e9665cc505742d45b288ae764a2248add69baf98ababc5d4ff0fe39244090244", 0x1d}, 0x60, &(0x7f00000037c0)=[{&(0x7f00000036c0)="d88feac01c19866417027efc1882de449fdd3e64853fc346bc8656174f17c9f237f3e6f69ca3eb798aa2cd399afdec598d21dac3a5bc939822ffa4ebd684456df3e31d139cb4287fe4a7bb3d81edfc50dc7592ca49faf081305c78272729f56d18bf1784c5e6d348a18aef31a77794c4290b5e2d7c2d4763d4e6dec654ec3112ab2700bdcc148ff249750703888698bdd9f11478d4c96e1725cc81230dc6d3e19324b9ca59b4e1f4806f7a85abaa53c43211418359a3a5a067370c4b8bedbd2b33663265cfe94af2c1d78c312d49f951f4fe5322b399e4bc31f2fe678186ee54a2", 0xe1}], 0x1, &(0x7f0000003800)={0xb8, 0x10a, 0x100, "d664078cc08a7df6b93ee697ad0f12f076901f2a89daf97af237fce5387bb6e302e67c176a0874e5114e8c0e85099356bf8de7a513e5b4185510126539bfa1bb892e4d6a1a8695db3a9626632578784de4aa512d73ad9bea1b1bd388715d4074ae16b6db1f967a561996ca3e2e8f9d4f3b7d069c3ae0e4807675bdbda0647b469c2d11c2806ad16610c16cd082521e8749dafdcb559c700a4b1e8bac62953c0cf8398d"}, 0xb8, 0x5804}], 0x8, 0x20004001) openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) [ 3074.747124] batman_adv: batadv0: Not using interface veth179 (retrying later): interface not active 13:40:24 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xc) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) 13:40:24 executing program 0: openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) r0 = open(&(0x7f0000000140)='./file0\x00', 0x40002, 0x8) sendfile(r0, 0xffffffffffffffff, 0x0, 0x2008000fffffffe) r1 = dup(0xffffffffffffffff) ioctl$BLKIOMIN(r1, 0x1278, 0x0) write$P9_RSETATTR(r1, &(0x7f0000000180)={0x7}, 0x7) write$P9_RATTACH(r1, &(0x7f0000000100)={0xfffffffffffffd85, 0x69, 0x4001, {0x40, 0x2, 0x207}}, 0xd) ioctl$TIOCSETD(r1, 0x5423, &(0x7f0000000080)=0x40000019) r2 = openat$ttyS3(0xffffffffffffff9c, &(0x7f0000000040)='/dev/ttyS3\x00', 0x400041, 0x0) ioctl$TIOCSETD(r2, 0x5412, &(0x7f0000000000)) 13:40:24 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x6000, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) 13:40:24 executing program 4: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xf) r1 = open(&(0x7f0000000140)='./file0\x00', 0x40002, 0x8) sendfile(r1, 0xffffffffffffffff, 0x0, 0x2008000fffffffe) sendmsg$IPCTNL_MSG_TIMEOUT_DELETE(r1, &(0x7f0000000180)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x48, 0x2, 0x8, 0x201, 0x0, 0x0, {0x2, 0x0, 0x3}, [@CTA_TIMEOUT_NAME={0x9, 0x1, 'syz1\x00'}, @CTA_TIMEOUT_DATA={0xc, 0x4, 0x0, 0x1, @icmp=[@CTA_TIMEOUT_ICMP_TIMEOUT={0x8, 0x1, 0x1, 0x0, 0x1000}]}, @CTA_TIMEOUT_L4PROTO={0x5, 0x3, 0x88}, @CTA_TIMEOUT_NAME={0x9, 0x1, 'syz1\x00'}, @CTA_TIMEOUT_L4PROTO={0x5, 0x3, 0x2f}]}, 0x48}, 0x1, 0x0, 0x0, 0x20040010}, 0x8010) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) [ 3074.896634] batman_adv: batadv0: Adding interface: veth215 13:40:24 executing program 3: ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x3f05, &(0x7f0000000200)={&(0x7f0000000640)=@newlink={0x20, 0x11, 0x40d, 0x0, 0x0, {0x5, 0x0, 0x0, r3}}, 0x20}, 0x1, 0x3f00}, 0x0) [ 3074.937912] batman_adv: batadv0: The MTU of interface veth215 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 13:40:24 executing program 4: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/ptmx\x00', 0xbe606, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xf) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) 13:40:24 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xe) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) r1 = openat$dlm_monitor(0xffffffffffffff9c, &(0x7f0000000040)='/dev/dlm-monitor\x00', 0x80040, 0x0) ioctl$SG_SET_FORCE_PACK_ID(r1, 0x227b, &(0x7f00000000c0)=0x1) 13:40:24 executing program 0: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xe) r1 = open(&(0x7f0000000140)='./file0\x00', 0x40002, 0x8) sendfile(r1, 0xffffffffffffffff, 0x0, 0x2008000fffffffe) ioctl$VIDIOC_S_MODULATOR(r1, 0x40445637, &(0x7f00000000c0)={0xfffffffe, "bb91810e2e51d0d127feee8c242c4d70d0e2537d7fa371076f63c5b12f83d7dc", 0x1000, 0x8321, 0x3909, 0x16, 0x4}) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) [ 3075.036525] batman_adv: batadv0: Not using interface veth215 (retrying later): interface not active 13:40:24 executing program 2: openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) r0 = openat$qat_adf_ctl(0xffffffffffffff9c, &(0x7f0000000040)='/dev/qat_adf_ctl\x00', 0x105000, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xb) r1 = open(&(0x7f0000000140)='./file0\x00', 0x40002, 0x8) r2 = open(&(0x7f0000000140)='./file0\x00', 0x40002, 0x8) sendfile(r2, 0xffffffffffffffff, 0x0, 0x2008000fffffffe) renameat(r1, &(0x7f0000000000)='./file0\x00', r2, &(0x7f0000000100)='./file0\x00') sendfile(r1, 0xffffffffffffffff, 0x0, 0x2008000fffffffe) ioctl$TIOCSETD(r1, 0x5412, &(0x7f00000000c0)=0x1) [ 3075.098549] batman_adv: batadv0: Adding interface: veth181 [ 3075.109742] batman_adv: batadv0: The MTU of interface veth181 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 13:40:24 executing program 0: r0 = dup(0xffffffffffffffff) ioctl$BLKIOMIN(r0, 0x1278, 0x0) write$P9_RSETATTR(r0, &(0x7f0000000180)={0x7}, 0x7) write$P9_RATTACH(r0, &(0x7f0000000700)={0xfffffffffffffd85, 0x69, 0x2, {0x40, 0x2, 0x207}}, 0x5) ioctl$SNDRV_CTL_IOCTL_ELEM_WRITE(r0, 0xc4c85513, &(0x7f00000000c0)={{0x6, 0x1, 0x1f, 0xddc6, '\x00', 0xfffffffb}, 0x0, [0x6, 0x5, 0x7, 0x9, 0x5, 0x4, 0x5, 0x1, 0x86, 0x8c44, 0x40, 0x3, 0x0, 0xe7, 0x2, 0x0, 0x9, 0x4, 0x10001, 0x1, 0x9, 0xffff, 0x661d2b3, 0x3ff, 0x4, 0x2, 0xfffffffffffffffa, 0x49b, 0x90000, 0x2, 0x3ff, 0x9, 0x401, 0x8, 0x9, 0x7, 0x9, 0x8, 0x1, 0x7, 0x7fff, 0x1, 0x1, 0xffffffff, 0xfffffffffffffe01, 0xdd5, 0x8, 0xb25, 0x8001, 0x5, 0x81, 0x100000000, 0x0, 0x7, 0x2, 0x3e, 0xffffffffffffffff, 0x6a00, 0x100000000, 0x1, 0x7, 0x3f, 0x3, 0x1, 0x3f, 0x9, 0x2, 0x0, 0x1, 0xfffffffffffff958, 0x2d8, 0xee80, 0x1f67, 0xe7ea, 0x0, 0x9, 0x3, 0x0, 0x3, 0x5, 0x30000, 0x100000001, 0x2, 0x1, 0x7, 0x0, 0x100000000, 0x6, 0x5, 0x100000000008, 0x7, 0x2, 0x8, 0xfffffffffffffffe, 0x100000001, 0x8001, 0xfffffffffffffff9, 0x0, 0x2, 0x20, 0x0, 0xa6, 0x8, 0x1f, 0x8000, 0x1, 0x7, 0x80000000, 0x1, 0x7, 0x3d50, 0x3, 0x6, 0x4, 0x1f, 0x0, 0x9, 0x6, 0x2, 0x58f, 0x10001, 0x3, 0xffffffffffff74b0, 0x7fff, 0x101, 0x7, 0xffffffff, 0x6978]}) r1 = dup(0xffffffffffffffff) ioctl$KDSIGACCEPT(0xffffffffffffffff, 0x4b4e, 0x1f) ioctl$BLKIOMIN(r1, 0x1278, 0x0) write$P9_RSETATTR(r1, &(0x7f0000000180)={0x7}, 0x7) r2 = open(&(0x7f0000000140)='./file0\x00', 0x40002, 0x8) sendfile(r2, 0xffffffffffffffff, 0x0, 0x2008000fffffffe) setsockopt$IP_VS_SO_SET_ADDDEST(r2, 0x0, 0x487, &(0x7f0000000680)={{0x11, @multicast2, 0x4e24, 0x1, 'lblcr\x00', 0x1, 0x1, 0x6f}, {@dev={0xac, 0x14, 0x14, 0xc}, 0x4e24, 0x3, 0xd56, 0x3e5, 0x4}}, 0x44) write$P9_RATTACH(r1, &(0x7f0000000100)={0xfffffffffffffd85, 0x69, 0x4001, {0x40, 0x2, 0x207}}, 0xd) futex(&(0x7f00000005c0)=0x1, 0x9, 0xffffffff, &(0x7f0000000600), &(0x7f0000000640), 0x2) ioctl$IMGETDEVINFO(r1, 0x80044944, &(0x7f0000000040)={0x7}) r3 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x400800, 0x0) ioctl$TIOCSETD(r3, 0x5423, &(0x7f0000000080)=0xe) ioctl$TIOCSETD(r3, 0x5412, &(0x7f0000000000)) r4 = socket$inet6_sctp(0xa, 0x1, 0x84) ioctl$FICLONE(r4, 0x40049409, r0) [ 3075.205428] batman_adv: batadv0: Not using interface veth181 (retrying later): interface not active 13:40:24 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0xf000, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) 13:40:24 executing program 0: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040)='/dev/ptmx\x00', 0x0, 0x0) r1 = dup(0xffffffffffffffff) r2 = openat$vcsa(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/vcsa\x00', 0x84082, 0x0) ioctl$DRM_IOCTL_ADD_BUFS(r2, 0xc0206416, &(0x7f0000000140)={0x7, 0x8, 0x20, 0x6, 0x4, 0x5}) ioctl$BLKIOMIN(r1, 0x1278, 0x0) write$P9_RSETATTR(r1, &(0x7f0000000180)={0x7}, 0x7) write$P9_RATTACH(r1, &(0x7f0000000100)={0xfffffffffffffd85, 0x69, 0x4001, {0x40, 0x2, 0x207}}, 0xd) ioctl$KDDELIO(r1, 0x4b35, 0x9) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xe) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)=0xf) 13:40:24 executing program 4: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040)='/dev/ptmx\x00', 0x101, 0x0) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) 13:40:24 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xe) r1 = open(&(0x7f0000000140)='./file0\x00', 0x40002, 0x8) sendfile(r1, 0xffffffffffffffff, 0x0, 0x2008000fffffffe) ioctl$SIOCGIFHWADDR(r1, 0x8927, &(0x7f0000000040)) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) 13:40:24 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x6558, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) 13:40:24 executing program 3: ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x3f06, &(0x7f0000000200)={&(0x7f0000000640)=@newlink={0x20, 0x11, 0x40d, 0x0, 0x0, {0x5, 0x0, 0x0, r3}}, 0x20}, 0x1, 0x3f00}, 0x0) 13:40:25 executing program 4: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xf) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) r1 = dup(0xffffffffffffffff) ioctl$BLKIOMIN(r1, 0x1278, 0x0) write$P9_RSETATTR(r1, &(0x7f0000000180)={0x7}, 0x7) write$P9_RATTACH(r1, &(0x7f0000000100)={0x14, 0x69, 0x4001, {0xf0, 0x2, 0x207}}, 0x14) r2 = openat$full(0xffffffffffffff9c, &(0x7f0000000140)='/dev/full\x00', 0x101100, 0x0) ioctl$VHOST_GET_VRING_BASE(r2, 0xc008af12, &(0x7f00000001c0)) setsockopt$sock_void(r1, 0x1, 0x1b, 0x0, 0x0) r3 = open(&(0x7f0000000040)='./file0\x00', 0x589800, 0xa7) mkdirat(r3, &(0x7f00000000c0)='./file0\x00', 0x72) 13:40:25 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x10040, 0x0) r1 = dup(0xffffffffffffffff) r2 = dup(0xffffffffffffffff) ioctl$BLKIOMIN(r2, 0x1278, 0x0) write$P9_RSETATTR(r2, &(0x7f0000000180)={0x7}, 0x7) write$P9_RATTACH(r2, &(0x7f0000000100)={0x14, 0x69, 0x2, {0x8, 0x3, 0x207}}, 0x14) ioctl$KDSIGACCEPT(r2, 0x4b4e, 0x22) ioctl$BLKIOMIN(r1, 0x1278, 0x0) write$P9_RSETATTR(r1, &(0x7f0000000180)={0x6, 0x1b, 0x2}, 0x7) write$P9_RATTACH(r1, &(0x7f0000000100)={0xfffffffffffffd85, 0x69, 0x4001, {0x40, 0x2, 0x207}}, 0xd) setsockopt$netlink_NETLINK_LISTEN_ALL_NSID(r1, 0x10e, 0x8, &(0x7f00000001c0)=0xff, 0x4) getsockopt$IP_SET_OP_GET_FNAME(0xffffffffffffffff, 0x1, 0x53, &(0x7f0000000040)={0x8, 0x7, 0x0, 'syz0\x00'}, &(0x7f00000000c0)=0x2c) r3 = syz_open_dev$mouse(&(0x7f0000000200)='/dev/input/mouse#\x00', 0x4, 0x0) ioctl$TIOCSETD(r3, 0x5423, &(0x7f0000000080)=0x6) ioctl$FIONCLEX(r0, 0x5450) r4 = open(&(0x7f0000000140)='./file0\x00', 0x40002, 0x8) write$P9_RSTATu(r1, &(0x7f0000000240)=ANY=[@ANYBLOB="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", @ANYRES32=0x0, @ANYRES32, @ANYRES32=0x0], 0x71) sendfile(r4, 0xffffffffffffffff, 0x0, 0x2008000fffffffe) write$9p(r4, &(0x7f0000000100)="6a94d33387c91b21002e3454e1714279a56cf1dac72af0250558bfb4a462313b509cf927fdc7992c906ac44a8fa13afab8c60c57948783176c68fd29955a17f34b028037a50289c74985446c97ad3573d6fa73b9901bb6ea5a8a7e4547783b1aa5abf252183161d07ccb452195efe0fc80ef5a5ff0c9ce9016b574b25808e377ec75688eac3c7fae3c069786762c16c55e6e1ddf2355c424a220cbe7fa1d6fd1e9", 0xa1) ioctl$TIOCSETD(0xffffffffffffffff, 0x5412, &(0x7f0000000000)=0x17) [ 3075.440801] batman_adv: batadv0: Adding interface: veth217 [ 3075.488624] batman_adv: batadv0: The MTU of interface veth217 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 13:40:25 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) r1 = dup(0xffffffffffffffff) ioctl$BLKIOMIN(r1, 0x1278, 0x0) write$P9_RSETATTR(r1, &(0x7f0000000180)={0x7}, 0x7) write$P9_RATTACH(r1, &(0x7f0000000100)={0xfffffffffffffd85, 0x69, 0x4001, {0x40, 0x2, 0x207}}, 0xd) ioctl$SIOCGETLINKNAME(r1, 0x89e0, &(0x7f00000000c0)={0x2}) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xe) openat$uinput(0xffffffffffffff9c, &(0x7f0000000040)='/dev/uinput\x00', 0x2, 0x0) ioctl$KVM_SET_VAPIC_ADDR(r1, 0x4008ae93, &(0x7f0000000140)=0x5000) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) 13:40:25 executing program 4: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) ioctl$KDSETKEYCODE(r0, 0x4b4d, &(0x7f0000000040)={0x7fff, 0x2}) [ 3075.566978] batman_adv: batadv0: Not using interface veth217 (retrying later): interface not active [ 3075.630752] batman_adv: batadv0: Adding interface: veth185 [ 3075.636440] batman_adv: batadv0: The MTU of interface veth185 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 13:40:25 executing program 4: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xf) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) ioctl$KVM_DEASSIGN_DEV_IRQ(r0, 0x4040ae75, &(0x7f0000000040)={0xff, 0x0, 0x8, 0x4dac738f3d774ce3}) [ 3075.691992] batman_adv: batadv0: Not using interface veth185 (retrying later): interface not active 13:40:25 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x608242, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xe) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) 13:40:25 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0xa832a, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) 13:40:25 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x6800, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) 13:40:25 executing program 3: ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x3f07, &(0x7f0000000200)={&(0x7f0000000640)=@newlink={0x20, 0x11, 0x40d, 0x0, 0x0, {0x5, 0x0, 0x0, r3}}, 0x20}, 0x1, 0x3f00}, 0x0) 13:40:25 executing program 4: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xf) r1 = dup(0xffffffffffffffff) ioctl$BLKIOMIN(r1, 0x1278, 0x0) write$P9_RSETATTR(r1, &(0x7f0000000180)={0x7}, 0x7) write$P9_RATTACH(r1, &(0x7f0000000100)={0xfffffffffffffd85, 0x69, 0x4001, {0x40, 0x2, 0x207}}, 0xd) setsockopt$packet_tx_ring(r1, 0x107, 0xd, &(0x7f0000000040)=@req3={0xfffff000, 0x3, 0x5, 0x1, 0x7fffffff, 0xffffca5a, 0x9}, 0x1c) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) r2 = syz_open_procfs$namespace(0x0, &(0x7f00000000c0)='ns/mnt\x00') setns(r2, 0x0) fchdir(r2) 13:40:25 executing program 2: r0 = open(&(0x7f0000000140)='./file0\x00', 0x60882, 0x8) sendfile(r0, 0xffffffffffffffff, 0x0, 0x2008000fffffffe) ioctl$VIDIOC_DQBUF(0xffffffffffffffff, 0xc0585611, &(0x7f0000000240)={0x3a3, 0x8, 0x4, 0x4000, 0x8, {}, {0x2, 0x2, 0x5, 0x0, 0x10, 0xe1, "a2a2520a"}, 0x2c, 0x3, @userptr=0x1, 0x8, 0x0, r0}) preadv(r1, &(0x7f00000001c0)=[{&(0x7f00000002c0)=""/225, 0xe1}, {&(0x7f00000003c0)=""/147, 0x93}, {&(0x7f0000000580)=""/215, 0xd7}], 0x3, 0xfffffffffffffc01) r2 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000200)='/dev/ptmx\x00', 0x10001, 0x0) ioctl$TIOCSETD(r2, 0x5423, &(0x7f0000000080)=0xe) lremovexattr(&(0x7f0000000100)='./file1\x00', &(0x7f0000000180)=@known='trusted.overlay.metacopy\x00') open(&(0x7f0000000140)='./file0\x00', 0x40002, 0x8) r3 = syz_open_procfs$namespace(0x0, &(0x7f00000000c0)='ns/mnt\x00') r4 = syz_open_procfs$namespace(0x0, &(0x7f00000000c0)='ns/mnt\x00') setns(r4, 0x0) fdatasync(r4) setns(r3, 0x0) r5 = openat$uinput(0xffffffffffffff9c, &(0x7f0000000040)='/dev/uinput\x00', 0x802, 0x0) r6 = syz_open_procfs$namespace(0x0, &(0x7f00000000c0)='ns/mnt\x00') setns(r6, 0x0) sendfile(r6, r5, 0x0, 0x400) r7 = dup(0xffffffffffffffff) ioctl$BLKIOMIN(r7, 0x1278, 0x0) write$P9_RFSYNC(r7, &(0x7f0000000000)={0x5, 0x33, 0x801}, 0x7) [ 3075.929348] batman_adv: batadv0: Adding interface: veth219 [ 3075.935031] batman_adv: batadv0: The MTU of interface veth219 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 3075.994184] batman_adv: batadv0: Not using interface veth219 (retrying later): interface not active [ 3076.031929] batman_adv: batadv0: Adding interface: veth187 13:40:25 executing program 4: clock_gettime(0x0, &(0x7f00000000c0)={0x0, 0x0}) setitimer(0x2, &(0x7f0000000100)={{0x0, 0x2710}, {r0, r1/1000+10000}}, &(0x7f0000000140)) r2 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r2, 0x5423, &(0x7f0000000080)=0xf) ioctl$KDGETKEYCODE(0xffffffffffffffff, 0x4b4c, &(0x7f0000000040)={0x9, 0x5}) ioctl$TIOCSETD(r2, 0x5412, &(0x7f0000000000)) 13:40:25 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xe) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) r1 = open(&(0x7f0000000140)='./file0\x00', 0x40002, 0x8) sendfile(r1, 0xffffffffffffffff, 0x0, 0x2008000fffffffe) r2 = socket$inet(0x2, 0x4000000000000001, 0x0) sendto$inet(r2, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) eventfd2(0x1, 0x80000) r3 = socket(0xa, 0x1, 0x0) close(r3) r4 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r4, 0x84, 0x6e, &(0x7f0000000180)=[@in6={0xa, 0x0, 0x0, @remote, 0x9}], 0x1c) getsockopt$inet_sctp6_SCTP_GET_ASSOC_ID_LIST(r4, 0x84, 0x1d, &(0x7f000095dff8)={0x1, [0x0]}, &(0x7f000095dffc)=0x8) sendmmsg$inet_sctp(r3, &(0x7f0000002cc0)=[{0x0, 0x29e, 0x0, 0x0, &(0x7f00000016c0)=[@sndinfo={0x20, 0x84, 0x2, {0x0, 0x4, 0x0, 0x0, r5}}], 0x20}], 0x1, 0x0) setsockopt$inet_sctp_SCTP_AUTH_ACTIVE_KEY(r2, 0x84, 0x18, &(0x7f0000000000)={r5, 0x9}, 0x8) setsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(r1, 0x84, 0x7b, &(0x7f0000000040)={r5, 0x20}, 0x8) [ 3076.037588] batman_adv: batadv0: The MTU of interface veth187 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 3076.073337] batman_adv: batadv0: Not using interface veth187 (retrying later): interface not active 13:40:25 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x6c00, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) 13:40:25 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0xa832b, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) 13:40:25 executing program 4: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) openat$bsg(0xffffffffffffff9c, &(0x7f0000000040)='/dev/bsg\x00', 0x40000, 0x0) r1 = dup(0xffffffffffffffff) ioctl$BLKIOMIN(r1, 0x1278, 0x0) write$P9_RSETATTR(r1, &(0x7f0000000180)={0x7}, 0x7) write$P9_RATTACH(r1, &(0x7f0000000100)={0xfffffffffffffd85, 0x69, 0x4001, {0x40, 0x2, 0x207}}, 0xd) ioctl$TIOCSETD(r1, 0x5423, &(0x7f0000000080)=0x1b) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) 13:40:25 executing program 3: ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x3f08, &(0x7f0000000200)={&(0x7f0000000640)=@newlink={0x20, 0x11, 0x40d, 0x0, 0x0, {0x5, 0x0, 0x0, r3}}, 0x20}, 0x1, 0x3f00}, 0x0) 13:40:25 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ptmx\x00', 0x9080, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xe) r1 = open(&(0x7f0000000140)='./file0\x00', 0x40002, 0x8) sendfile(r1, 0xffffffffffffffff, 0x0, 0x2008000fffffffe) sendto$unix(r1, &(0x7f00000000c0)="bbf23c3859ca54c1f55ef8c288559708a21767d879a53ea749a767329e75635a5d271261e149e6d6904b3bd05aeeb027490546cfba5f1c61dfa4cfd5cbb150f6f16b5e43cce809618d017a1d678d093aff898814920d568ae458fcc2a33b26d397446342d3a52133563b0d6170a07d23f5ff97fffa3fc6ec894951bb168c1a6f2ab1c60e7f85c219448d8dfc92f3852a270724555878dae0e9b0b4ff26a0cdd04611f3baaad79f", 0xa7, 0x4040040, &(0x7f0000000180)=@abs={0x1, 0x0, 0x4e22}, 0x6e) [ 3076.326747] batman_adv: batadv0: Adding interface: veth221 [ 3076.348989] batman_adv: batadv0: The MTU of interface veth221 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 13:40:25 executing program 4: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xf) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) r1 = creat(&(0x7f0000000040)='./file0\x00', 0x12a) ioctl$KDGKBSENT(r1, 0x4b48, &(0x7f00000000c0)={0x20, "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"}) 13:40:26 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xe) ioctl$F2FS_IOC_MOVE_RANGE(r0, 0xc020f509, &(0x7f0000000040)={0xffffffffffffffff, 0x1b6, 0x159d, 0x5}) setsockopt$netlink_NETLINK_DROP_MEMBERSHIP(r1, 0x10e, 0x2, &(0x7f00000000c0)=0x9, 0x4) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) [ 3076.397072] batman_adv: batadv0: Not using interface veth221 (retrying later): interface not active [ 3076.481603] batman_adv: batadv0: Adding interface: veth189 [ 3076.501298] batman_adv: batadv0: The MTU of interface veth189 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 3076.537107] batman_adv: batadv0: Not using interface veth189 (retrying later): interface not active 13:40:26 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0xa832c, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) 13:40:26 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x7400, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) 13:40:26 executing program 4: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xf) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) r1 = open(&(0x7f0000000140)='./file0\x00', 0x40002, 0x8) sendfile(r1, 0xffffffffffffffff, 0x0, 0x2008000fffffffe) write$P9_RLERROR(r1, &(0x7f0000000040)={0x9, 0x7, 0x2}, 0x9) 13:40:26 executing program 3: ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x3f0a, &(0x7f0000000200)={&(0x7f0000000640)=@newlink={0x20, 0x11, 0x40d, 0x0, 0x0, {0x5, 0x0, 0x0, r3}}, 0x20}, 0x1, 0x3f00}, 0x0) 13:40:26 executing program 2: ioctl$TIOCSETD(0xffffffffffffffff, 0x5423, &(0x7f0000000080)=0xe) r0 = socket$bt_cmtp(0x1f, 0x3, 0x5) r1 = dup(0xffffffffffffffff) ioctl$BLKIOMIN(r1, 0x1278, 0x0) write$P9_RSETATTR(r1, &(0x7f0000000180)={0x7}, 0x7) write$P9_RATTACH(r1, &(0x7f0000000100)={0xfffffffffffffd85, 0x69, 0x4001, {0x40, 0x2, 0x207}}, 0xd) ioctl$sock_bt_cmtp_CMTPCONNADD(r0, 0x400443c8, &(0x7f0000000500)={r1, 0xff}) ioctl$TIOCSETD(0xffffffffffffffff, 0x5412, &(0x7f0000000000)) 13:40:26 executing program 4: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) r1 = open(&(0x7f0000000140)='./file0\x00', 0x40002, 0x8) sendfile(r1, 0xffffffffffffffff, 0x0, 0x2008000fffffffe) ioctl$BLKALIGNOFF(r1, 0x127a, &(0x7f0000000040)) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xf) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) [ 3076.813144] batman_adv: batadv0: Adding interface: veth223 [ 3076.818827] batman_adv: batadv0: The MTU of interface veth223 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 13:40:26 executing program 2: r0 = dup(0xffffffffffffffff) ioctl$BLKIOMIN(r0, 0x1278, 0x0) write$P9_RSETATTR(r0, &(0x7f0000000180)={0x7}, 0x7) write$P9_RATTACH(r0, &(0x7f0000000100)={0xfffffffffffffd85, 0x69, 0x4001, {0x40, 0x2, 0x207}}, 0xd) ioctl$SNDRV_PCM_IOCTL_START(r0, 0x4142, 0x0) r1 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) r2 = openat(r0, &(0x7f0000000040)='./file0\x00', 0x44800, 0x6) ioctl$VIDIOC_QUERY_EXT_CTRL(r2, 0xc0e85667, &(0x7f00000001c0)={0x0, 0x1, "b496c5e2aba15b8b18cd5a1c38dedae2480b660b4e3a940f6471aa452d0dfe5a", 0x1, 0x4, 0x8, 0x0, 0x7, 0x3, 0x5, 0x80000001, [0x0, 0x1, 0x400, 0x1]}) ioctl$TIOCSETD(r1, 0x5423, &(0x7f0000000080)=0xe) ioctl$TIOCSETD(r1, 0x5412, &(0x7f0000000000)) [ 3076.899490] batman_adv: batadv0: Not using interface veth223 (retrying later): interface not active [ 3076.933770] batman_adv: batadv0: Adding interface: veth191 [ 3076.954634] batman_adv: batadv0: The MTU of interface veth191 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 13:40:26 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040)='/dev/ptmx\x00', 0x40680, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xe) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) [ 3077.066212] batman_adv: batadv0: Not using interface veth191 (retrying later): interface not active 13:40:26 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x7a00, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) 13:40:26 executing program 2: eventfd2(0x0, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) syz_open_dev$vim2m(&(0x7f0000000040)='/dev/video#\x00', 0x6c, 0x2) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xe) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) 13:40:26 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0xf0ffff, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) 13:40:26 executing program 3: ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x3f0c, &(0x7f0000000200)={&(0x7f0000000640)=@newlink={0x20, 0x11, 0x40d, 0x0, 0x0, {0x5, 0x0, 0x0, r3}}, 0x20}, 0x1, 0x3f00}, 0x0) 13:40:26 executing program 4: r0 = openat$vcsu(0xffffffffffffff9c, &(0x7f0000000180)='/dev/vcsu\x00', 0x2000, 0x0) r1 = socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nl80211(&(0x7f00000003c0)='nl80211\x00') sendmsg$NL80211_CMD_GET_SCAN(r1, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000440)={&(0x7f0000000240)={0x20, 0x0, 0xab9535e9a6578fc1, 0xfffffffc, 0x25dfdbfc, {0x5}, [@NL80211_ATTR_WDEV={0xc, 0x99, {0x1}}]}, 0x20}, 0x1, 0x0, 0x0, 0x20800}, 0x4000040) sendmsg$NL80211_CMD_GET_STATION(r0, &(0x7f0000000340)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f0000000300)={&(0x7f00000002c0)={0x24, r2, 0x8, 0x70bd2a, 0x25dfdbfe, {}, [@NL80211_ATTR_AIRTIME_WEIGHT={0x6, 0x112, 0x9}, @NL80211_ATTR_MESH_PEER_AID={0x6, 0xed, 0x748}]}, 0x24}, 0x1, 0x0, 0x0, 0x10000001}, 0x20000804) r3 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r3, 0x5423, &(0x7f0000000080)=0xf) r4 = socket$nl_audit(0x10, 0x3, 0x9) r5 = open(&(0x7f0000000140)='./file0\x00', 0x40002, 0x8) sendfile(r5, 0xffffffffffffffff, 0x0, 0x2008000fffffffe) ioctl$SNDRV_SEQ_IOCTL_SET_CLIENT_POOL(r5, 0x4058534c, &(0x7f0000000240)={0x10001, 0x8, 0x4, 0x52b6, 0x3f, 0x8000}) ioctl$IOC_PR_REGISTER(r0, 0x401870c8, &(0x7f0000000480)={0x9, 0x5491}) sendmsg$AUDIT_TTY_GET(r4, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x10, 0x3f8, 0x8, 0x70bd25, 0x25dfdbff, "", ["", "", "", "", "", "", ""]}, 0x10}}, 0x4004) fsync(0xffffffffffffffff) socket$l2tp(0x2, 0x2, 0x73) dup(r4) ioctl$TIOCSETD(r3, 0x5412, &(0x7f0000000000)) r6 = open(&(0x7f0000000140)='./file0\x00', 0x40002, 0x8) sendfile(r6, 0xffffffffffffffff, 0x0, 0x2008000fffffffe) ioctl$USBDEVFS_DROP_PRIVILEGES(r6, 0x4004551e, &(0x7f0000000380)=0x7) 13:40:26 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/ptmx\x00', 0x400440, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xe) ioctl$TIOCGWINSZ(r0, 0x5413, &(0x7f0000000040)) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) [ 3077.277736] nla_parse: 42 callbacks suppressed [ 3077.277747] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. 13:40:27 executing program 4: ioctl$SNDRV_CTL_IOCTL_PCM_PREFER_SUBDEVICE(0xffffffffffffffff, 0x40045532, &(0x7f0000000040)=0x7) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0x11) recvmsg(0xffffffffffffffff, &(0x7f0000000540)={&(0x7f0000000140)=@pppol2tpin6={0x18, 0x1, {0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, {0xa, 0x0, 0x0, @private2}}}, 0x80, &(0x7f0000000400)=[{&(0x7f00000001c0)}, {&(0x7f0000000200)=""/58, 0x3a}, {&(0x7f0000000240)=""/254, 0xfe}, {&(0x7f0000000340)=""/15, 0xf}, {&(0x7f0000000380)=""/107, 0x6b}], 0x5, &(0x7f0000000480)=""/172, 0xac}, 0x0) ioctl$PPPOEIOCDFWD(r1, 0xb101, 0x0) r2 = syz_open_procfs$namespace(0x0, &(0x7f00000000c0)='ns/mnt\x00') openat$ttyprintk(0xffffffffffffff9c, &(0x7f0000000100)='/dev/ttyprintk\x00', 0x46c280, 0x0) setns(r2, 0x0) r3 = dup2(r0, r2) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) ioctl$PPPIOCSCOMPRESS(r3, 0x4010744d) [ 3077.382953] batman_adv: batadv0: Adding interface: veth193 [ 3077.388710] batman_adv: batadv0: The MTU of interface veth193 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 13:40:27 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x200402, 0x0) r1 = dup(0xffffffffffffffff) ioctl$BLKIOMIN(r1, 0x1278, 0x0) write$P9_RSETATTR(r1, &(0x7f0000000180)={0x7}, 0x7) connect$bt_sco(r1, &(0x7f0000000040), 0x8) write$P9_RATTACH(r1, &(0x7f0000000100)={0xfffffffffffffd85, 0x69, 0x4001, {0x40, 0x2, 0x207}}, 0xd) ioctl$VIDIOC_SUBDEV_QUERY_DV_TIMINGS(r1, 0x80845663, &(0x7f00000000c0)) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xe) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) [ 3077.522644] batman_adv: batadv0: Not using interface veth193 (retrying later): interface not active 13:40:27 executing program 2: r0 = dup(0xffffffffffffffff) ioctl$BLKIOMIN(r0, 0x1278, 0x0) write$P9_RSETATTR(r0, &(0x7f0000000180)={0x7}, 0x7) write$P9_RATTACH(r0, &(0x7f0000000100)={0xfffffffffffffd85, 0x69, 0x4001, {0x40, 0x2, 0x207}}, 0xd) r1 = open(&(0x7f0000000140)='./file0\x00', 0x40002, 0x8) ioctl$VIDIOC_TRY_EXT_CTRLS(r0, 0xc0205649, &(0x7f00000001c0)={0x990000, 0x4, 0x7fff, r1, 0x0, &(0x7f00000000c0)={0x990a70, 0x8, [], @p_u16=&(0x7f0000000040)=0x9}}) ioctl$TIOCL_GETKMSGREDIRECT(r2, 0x541c, &(0x7f0000000140)) r3 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x200001, 0x0) ioctl$TIOCSETD(r3, 0x5423, &(0x7f0000000080)=0xe) ioctl$TIOCSETD(r3, 0x5412, &(0x7f0000000000)) shmget$private(0x0, 0x2000, 0x800, &(0x7f0000ffe000/0x2000)=nil) [ 3077.569263] batman_adv: batadv0: Adding interface: veth225 [ 3077.575185] batman_adv: batadv0: The MTU of interface veth225 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 3077.646642] batman_adv: batadv0: Not using interface veth225 (retrying later): interface not active [ 3077.672346] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. 13:40:27 executing program 2: ioctl$SNDRV_RAWMIDI_IOCTL_DROP(0xffffffffffffffff, 0x40045730, &(0x7f0000000040)=0x9) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xe) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) r1 = dup(0xffffffffffffffff) ioctl$BLKIOMIN(r1, 0x1278, 0x0) write$P9_RSETATTR(r1, &(0x7f0000000180)={0x7}, 0x7) write$P9_RATTACH(r1, &(0x7f0000000100)={0xfffffffffffffd85, 0x69, 0x4001, {0x40, 0x2, 0x207}}, 0xd) ioctl$VIDIOC_S_JPEGCOMP(r1, 0x408c563e, &(0x7f00000000c0)={0x80000000, 0x2, 0x1c, "6f12db55ffce1850083f3478ed49a300e130611fc611713007a554bb4b505376123cbba66fe72690b8f1454a9a165b0d05e8c17b8559f08f01a4fe6c", 0x38, "89b332d264a80040525787b69bcf290bd6e1d589160736730ba333d7379a918866ffb64572f59a5b713edb3bc4947cf1052d94621458889401cd76a0", 0x8}) r2 = dup(0xffffffffffffffff) ioctl$BLKIOMIN(r2, 0x1278, 0x0) write$P9_RSETATTR(r2, &(0x7f0000000180)={0x7}, 0x7) write$P9_RATTACH(r2, &(0x7f0000000100)={0xfffffffffffffd85, 0x69, 0x4001, {0x40, 0x2, 0x207}}, 0xd) r3 = open(&(0x7f0000000140)='./file0\x00', 0x40002, 0x8) sendfile(r3, 0xffffffffffffffff, 0x0, 0x2008000fffffffe) mq_timedreceive(r3, &(0x7f0000000200)=""/160, 0xa0, 0x8, &(0x7f00000002c0)={0x0, 0x3938700}) ioctl$DRM_IOCTL_MODE_CURSOR(r2, 0xc01c64a3, &(0x7f00000001c0)={0x2, 0x3ff, 0x8, 0x5b, 0x3, 0x3ff, 0x5}) [ 3077.745598] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 3077.768839] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. 13:40:27 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x8100, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) [ 3077.844044] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. 13:40:27 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x1000000, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) 13:40:27 executing program 2: r0 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/nvme-fabrics\x00', 0x20081, 0x0) ioctl$TUNSETLINK(r0, 0x400454cd, 0x30e) ioctl$TIOCSETD(0xffffffffffffffff, 0x5423, &(0x7f0000000080)=0xe) ioctl$EXT4_IOC_GROUP_ADD(0xffffffffffffffff, 0x40286608, &(0x7f0000000040)={0x400, 0x5, 0x9, 0x17c, 0x0, 0x2}) ioctl$TIOCSETD(0xffffffffffffffff, 0x5412, &(0x7f0000000000)) 13:40:27 executing program 3: ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x3f0e, &(0x7f0000000200)={&(0x7f0000000640)=@newlink={0x20, 0x11, 0x40d, 0x0, 0x0, {0x5, 0x0, 0x0, r3}}, 0x20}, 0x1, 0x3f00}, 0x0) 13:40:27 executing program 4: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xf) r1 = dup(0xffffffffffffffff) ioctl$BLKIOMIN(r1, 0x1278, 0x0) r2 = dup(0xffffffffffffffff) ioctl$BLKIOMIN(r2, 0x1278, 0x0) write$P9_RSETATTR(r2, &(0x7f0000000180)={0x7}, 0x7) write$P9_RATTACH(r2, &(0x7f0000000100)={0xfffffffffffffd85, 0x69, 0x4001, {0x40, 0x2, 0x207}}, 0xd) ioctl$VIDIOC_S_EXT_CTRLS(r2, 0xc0205648, &(0x7f00000001c0)={0x9d0000, 0x4, 0x80000001, r1, 0x0, &(0x7f0000000140)={0x9b0961, 0xfffffffc, [], @p_u8=&(0x7f00000000c0)=0x24}}) write$P9_RSETATTR(r1, &(0x7f0000000180)={0x7}, 0x7) write$P9_RATTACH(r1, &(0x7f0000000100)={0xfffffffffffffd85, 0x69, 0x4001, {0x40, 0x2, 0x207}}, 0xd) openat$binder_debug(0xffffffffffffff9c, &(0x7f0000000040)='/sys/kernel/debug/binder/transaction_log\x00', 0x0, 0x0) r3 = dup(0xffffffffffffffff) ioctl$BLKIOMIN(r3, 0x1278, 0x0) write$P9_RSETATTR(r3, &(0x7f0000000180)={0x7}, 0x7) write$P9_RATTACH(r3, &(0x7f0000000100)={0xfffffffffffffd85, 0x69, 0x4001, {0x40, 0x2, 0x207}}, 0xd) setsockopt$inet6_MRT6_ADD_MIF(r3, 0x29, 0xca, &(0x7f0000000200)={0xfffd, 0x0, 0x40, 0x4, 0x6}, 0xc) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)=0x11) open(&(0x7f0000000240)='./file0\x00', 0x40, 0x20) [ 3078.018401] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 13:40:27 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xe) set_robust_list(&(0x7f0000000180)={&(0x7f00000000c0)={&(0x7f0000000040)}, 0x401, &(0x7f0000000140)={&(0x7f0000000100)}}, 0x18) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) [ 3078.111366] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. [ 3078.189814] batman_adv: batadv0: Adding interface: veth195 [ 3078.207161] batman_adv: batadv0: The MTU of interface veth195 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 13:40:27 executing program 4: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) syz_open_dev$dri(&(0x7f0000000040)='/dev/dri/card#\x00', 0x2, 0x46402) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xf) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) 13:40:27 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) [ 3078.272250] batman_adv: batadv0: Not using interface veth195 (retrying later): interface not active [ 3078.356788] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. [ 3078.458247] batman_adv: batadv0: Adding interface: veth229 [ 3078.476818] batman_adv: batadv0: The MTU of interface veth229 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 13:40:28 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xe) r1 = dup(0xffffffffffffffff) ioctl$BLKIOMIN(r1, 0x1278, 0x0) write$P9_RSETATTR(r1, &(0x7f0000000180)={0x7}, 0x7) r2 = accept4$nfc_llcp(r1, 0x0, &(0x7f0000000040), 0x80000) ioctl$sock_SIOCETHTOOL(r2, 0x8946, &(0x7f0000000100)={'tunl0\x00', &(0x7f00000000c0)=@ethtool_eee={0x45, 0xffff, 0x1, 0x6, 0xaed6, 0x0, 0x4, 0x1f, [0x0, 0x2]}}) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) getsockname$packet(0xffffffffffffffff, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xe) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)=ANY=[@ANYBLOB="662a38000000240007050000004007a2a300", @ANYRES32=r3, @ANYBLOB="000070d5fffffdff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000300)=ANY=[@ANYBLOB='h\x00\x00\x00,\x00\'\r\x00'/20, @ANYRES32=r3, @ANYBLOB], 0x68}}, 0x0) setsockopt$packet_drop_memb(r1, 0x107, 0x2, &(0x7f0000000140)={r3, 0x1, 0x6, @remote}, 0x10) 13:40:28 executing program 4: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xf) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) openat$userio(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/userio\x00', 0x200, 0x0) r1 = open(&(0x7f0000000140)='./file0\x00', 0x40002, 0x8) sendfile(r1, 0xffffffffffffffff, 0x0, 0x2008000fffffffe) ioctl$BLKTRACETEARDOWN(0xffffffffffffffff, 0x1276, 0x0) ioctl$EVIOCSABS20(r1, 0x401845e0, &(0x7f0000000040)={0x4, 0x5, 0x0, 0x7, 0x7, 0x8293}) [ 3078.536304] batman_adv: batadv0: Not using interface veth229 (retrying later): interface not active [ 3078.593771] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 3078.613154] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. 13:40:28 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x2000000, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) 13:40:28 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xe) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) r1 = open(&(0x7f0000000140)='./file0\x00', 0x40002, 0x8) sendfile(r1, 0xffffffffffffffff, 0x0, 0x2008000fffffffe) ioctl$TIOCSTI(r1, 0x5412, 0xfffffffffffffffd) 13:40:28 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0xf000, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) 13:40:28 executing program 4: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xf) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) syz_open_dev$midi(&(0x7f0000000040)='/dev/midi#\x00', 0x2000000000000000, 0x301000) 13:40:28 executing program 3: ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x3f10, &(0x7f0000000200)={&(0x7f0000000640)=@newlink={0x20, 0x11, 0x40d, 0x0, 0x0, {0x5, 0x0, 0x0, r3}}, 0x20}, 0x1, 0x3f00}, 0x0) [ 3078.756350] batman_adv: batadv0: Adding interface: veth231 [ 3078.787486] batman_adv: batadv0: The MTU of interface veth231 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 13:40:28 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xe) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) ioctl$TIOCMGET(r0, 0x5415, &(0x7f0000000040)) r1 = dup(0xffffffffffffffff) ioctl$BLKIOMIN(r1, 0x1278, 0x0) write$P9_RSETATTR(r1, &(0x7f0000000180)={0x7}, 0x7) write$P9_RATTACH(r1, &(0x7f0000000100)={0xfffffffffffffd85, 0x69, 0x4001, {0x40, 0x2, 0x207}}, 0xd) r2 = socket$inet(0x2, 0x4000000000000001, 0x0) sendto$inet(r2, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) r3 = socket(0xa, 0x1, 0x0) close(r3) r4 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r4, 0x84, 0x6e, &(0x7f0000000180)=[@in6={0xa, 0x0, 0x0, @remote, 0x9}], 0x1c) getsockopt$inet_sctp6_SCTP_GET_ASSOC_ID_LIST(r4, 0x84, 0x1d, &(0x7f000095dff8)={0x1, [0x0]}, &(0x7f000095dffc)=0x8) sendmmsg$inet_sctp(r3, &(0x7f0000002cc0)=[{0x0, 0x29e, 0x0, 0x0, &(0x7f00000016c0)=[@sndinfo={0x20, 0x84, 0x2, {0x0, 0x4, 0x0, 0x0, r5}}], 0x20}], 0x1, 0x0) setsockopt$inet_sctp_SCTP_AUTH_ACTIVE_KEY(r2, 0x84, 0x18, &(0x7f0000000000)={r5, 0x9}, 0x8) getsockopt$inet_sctp6_SCTP_LOCAL_AUTH_CHUNKS(r1, 0x84, 0x1b, &(0x7f00000000c0)={r5, 0x8e, "d8d9d9c65b1270adb45158326db34b36b3f89ee4bbfb0950e3aa940be166c8f6a795956761c694b6c6040e0c070c4acdd24ff8093aac9652756982653c327f909a7e33ac4ff22d7e9b5c4eee40c668b336b7064eb51c3538347144c6127482a65c42a2a02fe53fbe6695e79bbac2e34cfed59fac3c23832f7d28dcc21927322e806a7ef13c675ba73d298bf9c518"}, &(0x7f0000000180)=0x96) 13:40:28 executing program 4: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xf) r1 = open(&(0x7f0000000140)='./file0\x00', 0x40002, 0x8) sendfile(r1, 0xffffffffffffffff, 0x0, 0x2008000fffffffe) ioctl$TIOCGLCKTRMIOS(r1, 0x5456, &(0x7f0000000040)={0xa2b6, 0x9, 0x3538, 0x10001, 0x6, "851fe46c30ed3c083c8700"}) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) [ 3078.860767] batman_adv: batadv0: Not using interface veth231 (retrying later): interface not active 13:40:28 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x3000000, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) 13:40:28 executing program 4: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xf) r1 = dup(0xffffffffffffffff) ioctl$BLKIOMIN(r1, 0x1278, 0x0) write$P9_RSETATTR(r1, &(0x7f0000000180)={0x7}, 0x7) write$P9_RATTACH(r1, &(0x7f0000000100)={0xfffffffffffffd85, 0x69, 0x4001, {0x40, 0x2, 0x207}}, 0xd) ioctl$KVM_TPR_ACCESS_REPORTING(r1, 0xc028ae92, &(0x7f0000000040)={0x5d, 0x59}) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) 13:40:28 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0xa8dee, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) 13:40:28 executing program 3: ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x3f48, &(0x7f0000000200)={&(0x7f0000000640)=@newlink={0x20, 0x11, 0x40d, 0x0, 0x0, {0x5, 0x0, 0x0, r3}}, 0x20}, 0x1, 0x3f00}, 0x0) [ 3079.104619] batman_adv: batadv0: Adding interface: veth235 13:40:28 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) r1 = open(&(0x7f0000000140)='./file0\x00', 0x40002, 0x8) sendfile(r1, 0xffffffffffffffff, 0x0, 0x2008000fffffffe) ioctl$TIOCSETD(r1, 0x5423, &(0x7f0000000040)=0xe) r2 = dup(0xffffffffffffffff) ioctl$BLKIOMIN(r2, 0x1278, 0x0) write$P9_RSETATTR(r2, &(0x7f0000000180)={0x7}, 0x7) write$P9_RATTACH(r2, &(0x7f0000000100)={0xfffffffffffffd85, 0x69, 0x4001, {0x40, 0x2, 0x207}}, 0xd) r3 = socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$tipc(&(0x7f0000000040)='TIPC\x00') ioctl$BLKBSZGET(r1, 0x80081270, &(0x7f00000001c0)) r5 = dup(0xffffffffffffffff) ioctl$BLKIOMIN(r5, 0x1278, 0x0) write$P9_RSETATTR(0xffffffffffffffff, &(0x7f00000003c0)={0x7, 0x1b, 0x1}, 0x7) write$P9_RATTACH(r5, &(0x7f0000000100)={0xfffffffffffffd85, 0x69, 0x4001, {0x40, 0x2, 0x207}}, 0xd) setsockopt$inet_sctp_SCTP_AUTO_ASCONF(r5, 0x84, 0x1e, &(0x7f0000000200)=0x7, 0x4) ioctl$sock_SIOCSIFVLAN_GET_VLAN_REALDEV_NAME_CMD(0xffffffffffffffff, 0x8983, &(0x7f0000000240)={0x8, 'veth0_virt_wifi\x00', {'ipvlan1\x00'}, 0x15e}) sendmsg$TIPC_CMD_SHOW_LINK_STATS(r3, &(0x7f0000000080)={0x0, 0x9, &(0x7f0000000180)={&(0x7f0000000280)=ANY=[@ANYBLOB="3b1031a0", @ANYRES16=r4, @ANYBLOB="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"], 0x30}, 0x1, 0xfffffff0}, 0x0) sendmsg$TIPC_CMD_GET_NODES(r2, &(0x7f0000000180)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x1c, r4, 0x4, 0x70bd28, 0x25dfdbfc, {}, ["", ""]}, 0x1c}, 0x1, 0x0, 0x0, 0x8000}, 0x40040) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) 13:40:28 executing program 4: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) r1 = dup(0xffffffffffffffff) ioctl$BLKIOMIN(r1, 0x1278, 0x0) write$P9_RSETATTR(r1, &(0x7f0000000180)={0x7}, 0x7) write$P9_RATTACH(r1, &(0x7f0000000100)={0xfffffffffffffd85, 0x69, 0x4001, {0x40, 0x2, 0x207}}, 0xd) ioctl$EVIOCGUNIQ(r1, 0x80404508, &(0x7f00000000c0)=""/92) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xf) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)=0xc) [ 3079.139389] batman_adv: batadv0: The MTU of interface veth235 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 3079.180274] batman_adv: batadv0: Not using interface veth235 (retrying later): interface not active 13:40:28 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x1a5640, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xe) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) [ 3079.246501] batman_adv: batadv0: Adding interface: veth201 [ 3079.257227] batman_adv: batadv0: The MTU of interface veth201 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 13:40:28 executing program 4: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xf) ioctl$KDSKBMETA(r0, 0x4b63, &(0x7f0000000040)=0x3) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) [ 3079.314899] batman_adv: batadv0: Not using interface veth201 (retrying later): interface not active 13:40:28 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x4000000, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) 13:40:29 executing program 2: ioctl$BLKIOMIN(0xffffffffffffffff, 0x1278, 0x0) write$P9_RATTACH(0xffffffffffffffff, &(0x7f0000000100)={0xfffffffffffffd85, 0x69, 0x4001, {0x40, 0x2, 0x207}}, 0xd) r0 = dup(0xffffffffffffffff) ioctl$BLKIOMIN(r0, 0x1278, 0x0) write$P9_RSETATTR(r0, &(0x7f0000000180)={0x7}, 0x7) getsockname$packet(0xffffffffffffffff, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xe) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)=ANY=[@ANYBLOB="662a38000000240007050000004007a2a300", @ANYRES32=r1, @ANYBLOB="000070d5fffffdff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000440)=ANY=[@ANYBLOB='h\x00\x00\x00,\x00\'\r\x00'/20, @ANYRES32=r1, @ANYBLOB="72d313238bd358b2bfcbb04aef44f3b4bf7068b9dd050a1866df5855bd732e2ddac4417fd3574abdff03d6360c5af074e3e0b713919452729be8ab453d622ac1cc95c37c738295b724ffe9e4edf065c8979ce37a02a7cd4fa17aa16675d76348efd254be882d26b761abf23b57b89a"], 0x68}}, 0x0) ioctl$sock_inet6_SIOCDELRT(0xffffffffffffffff, 0x890c, &(0x7f00000003c0)={@mcast2, @initdev={0xfe, 0x88, [], 0x0, 0x0}, @loopback, 0x6, 0x75, 0x3, 0x900, 0x7, 0x40000000, r1}) write$P9_RATTACH(r0, &(0x7f0000000100)={0xfffffffffffffd85, 0x69, 0x4001, {0x40, 0x2, 0x207}}, 0xd) setns(r0, 0x20000) sendmsg$IPSET_CMD_LIST(0xffffffffffffffff, &(0x7f0000000380)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000340)={&(0x7f00000002c0)={0x50, 0x7, 0x6, 0x0, 0x0, 0x0, {0x2, 0x0, 0x1}, [@IPSET_ATTR_PROTOCOL={0x5}, @IPSET_ATTR_FLAGS={0x8, 0x6, 0x1, 0x0, 0x4}, @IPSET_ATTR_SETNAME={0x9, 0x2, 'syz2\x00'}, @IPSET_ATTR_SETNAME={0x9, 0x2, 'syz2\x00'}, @IPSET_ATTR_FLAGS={0x8, 0x6, 0x1, 0x0, 0x8001}, @IPSET_ATTR_SETNAME={0x9, 0x2, 'syz2\x00'}]}, 0x50}}, 0x40000) ustat(0x0, 0x0) r2 = openat$ptmx(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/ptmx\x00', 0x2042, 0x0) ioctl$TIOCSETD(r2, 0x5423, &(0x7f0000000080)=0xe) r3 = open(&(0x7f0000000140)='./file0\x00', 0x40002, 0x8) sendfile(r3, 0xffffffffffffffff, 0x0, 0x2008000fffffffe) sendmsg$RDMA_NLDEV_CMD_NEWLINK(r3, &(0x7f0000000240)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f0000000200)={&(0x7f0000000100)={0xd8, 0x1403, 0x400, 0x70bd2a, 0x25dfdbfb, "", [{{0x9, 0x2, 'syz1\x00'}, {0x8, 0x41, 'siw\x00'}, {0x14, 0x33, 'xfrm0\x00'}}, {{0x9, 0x2, 'syz2\x00'}, {0x8, 0x41, 'rxe\x00'}, {0x14, 0x33, 'bridge_slave_0\x00'}}, {{0x9, 0x2, 'syz2\x00'}, {0x8, 0x41, 'siw\x00'}, {0x14, 0x33, 'batadv0\x00'}}, {{0x9, 0x2, 'syz0\x00'}, {0x8, 0x41, 'siw\x00'}, {0x14, 0x33, 'tunl0\x00'}}, {{0x9, 0x2, 'syz0\x00'}, {0x8, 0x41, 'siw\x00'}, {0x14, 0x33, 'veth0_virt_wifi\x00'}}]}, 0xd8}, 0x1, 0x0, 0x0, 0x40}, 0x40040) ioctl$TIOCSETD(r2, 0x5412, &(0x7f0000000000)) 13:40:29 executing program 4: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xf) r1 = openat$cachefiles(0xffffffffffffff9c, &(0x7f0000000040)='/dev/cachefiles\x00', 0x500, 0x0) bind$bt_l2cap(r1, &(0x7f00000000c0)={0x1f, 0x400, @fixed={[], 0x10}, 0x7, 0x1}, 0xe) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) r2 = open(&(0x7f0000000140)='./file0\x00', 0x40002, 0x8) sendfile(r2, 0xffffffffffffffff, 0x0, 0x2008000fffffffe) ioctl$UI_SET_MSCBIT(r2, 0x40045568, 0x8) 13:40:29 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0xa8def, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) 13:40:29 executing program 3: ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x3f4c, &(0x7f0000000200)={&(0x7f0000000640)=@newlink={0x20, 0x11, 0x40d, 0x0, 0x0, {0x5, 0x0, 0x0, r3}}, 0x20}, 0x1, 0x3f00}, 0x0) 13:40:29 executing program 4: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xf) mmap(&(0x7f0000ffa000/0x4000)=nil, 0x4000, 0x1000009, 0x4010, r0, 0x1cdc0000) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) 13:40:29 executing program 2: ioctl$KVM_NMI(0xffffffffffffffff, 0xae9a) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x21c802, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0x800e) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) 13:40:29 executing program 4: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xf) r1 = dup(0xffffffffffffffff) ioctl$BLKIOMIN(r1, 0x1278, 0x0) write$P9_RSETATTR(r1, &(0x7f0000000180)={0x7}, 0x7) write$P9_RATTACH(r1, &(0x7f0000000100)={0xfffffffffffffd85, 0x69, 0x4001, {0x40, 0x2, 0x207}}, 0xd) r2 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000140)='/dev/nvram\x00', 0x400, 0x0) r3 = open(&(0x7f0000000140)='./file0\x00', 0x40002, 0x8) sendfile(r3, 0xffffffffffffffff, 0x0, 0x2008000fffffffe) statfs(&(0x7f0000000280)='./file0\x00', &(0x7f00000002c0)=""/84) r4 = accept4$tipc(r3, &(0x7f0000000200)=@name, &(0x7f0000000240)=0x10, 0x800) ioctl$FS_IOC_MEASURE_VERITY(r4, 0xc0046686, &(0x7f00000003c0)=ANY=[@ANYBLOB="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"]) fchmodat(r1, &(0x7f00000001c0)='\x00', 0x40) setsockopt$inet_sctp6_SCTP_EVENTS(r2, 0x84, 0xb, &(0x7f0000000100)={0x7, 0x80, 0x1f, 0xff, 0x9, 0x4, 0x7, 0x0, 0x7, 0x1, 0x3, 0x70, 0x1, 0x6}, 0xe) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) r5 = openat$qat_adf_ctl(0xffffffffffffff9c, &(0x7f0000000040)='/dev/qat_adf_ctl\x00', 0x4ce800, 0x0) ioctl$MON_IOCG_STATS(r5, 0x80089203, &(0x7f00000000c0)) [ 3079.592665] batman_adv: batadv0: Adding interface: veth237 [ 3079.600916] batman_adv: batadv0: The MTU of interface veth237 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 3079.633614] batman_adv: batadv0: Not using interface veth237 (retrying later): interface not active 13:40:29 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0x15) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) [ 3079.694460] batman_adv: batadv0: Adding interface: veth203 [ 3079.711815] batman_adv: batadv0: The MTU of interface veth203 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 3079.892989] batman_adv: batadv0: Not using interface veth203 (retrying later): interface not active 13:40:29 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x5000000, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) [ 3080.222538] batman_adv: batadv0: Adding interface: veth239 [ 3080.228236] batman_adv: batadv0: The MTU of interface veth239 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 13:40:29 executing program 3: ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x3f60, &(0x7f0000000200)={&(0x7f0000000640)=@newlink={0x20, 0x11, 0x40d, 0x0, 0x0, {0x5, 0x0, 0x0, r3}}, 0x20}, 0x1, 0x3f00}, 0x0) 13:40:29 executing program 4: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) setns(0xffffffffffffffff, 0x0) r1 = dup(0xffffffffffffffff) ioctl$BLKIOMIN(r1, 0x1278, 0x0) write$P9_RSETATTR(r1, &(0x7f0000000180)={0x7}, 0x7) write$P9_RATTACH(r1, &(0x7f0000000100)={0xfffffffffffffd85, 0x69, 0x4001, {0x40, 0x2, 0x207}}, 0xd) r2 = inotify_init1(0x0) fcntl$setown(r2, 0x8, 0xffffffffffffffff) fcntl$getownex(r2, 0x10, &(0x7f00000000c0)={0x0, 0x0}) tkill(r3, 0x13) r4 = socket$vsock_stream(0x28, 0x1, 0x0) getsockopt$sock_cred(r4, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0}, &(0x7f0000cab000)=0xc) setresuid(0x0, r5, 0x0) r6 = socket$inet_icmp_raw(0x2, 0x3, 0x1) getsockopt$sock_cred(r6, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0, 0x0}, 0x0) setresgid(0x0, 0x0, r7) chown(&(0x7f0000000040)='./file0\x00', 0x0, r7) sendmsg$netlink(0xffffffffffffffff, &(0x7f0000002f80)={&(0x7f0000000040)=@proc={0x10, 0x0, 0x25dfdbff, 0x40000000}, 0xc, &(0x7f0000002e00)=[{&(0x7f00000000c0)=ANY=[@ANYBLOB="fc1400001a0010002bbd7000fddbdf250400140064d3c6c7865664e2a958edf029c344e26cf50597ad0d88e31c21dac574aacf11c5feb7b86a83f5acce67c9dc9c1bdb36188cbea78ce019c322dfedfdceaf244c39473d1302695149f617267107a0c5cc4e89187a58ac92440fb0b9958ef82d57140fddf0bd607b789138e4283161de2b77d9b59354a36477ba8d162160103f95e7929bbf9a938830280d0ac125620da578d1c40ae90b454ff56051a63aa92b1382c98603afd986e6c63424e5e054ce642697d763462d3fa5c45e9d75c6ad471d2f7fc2e004868aec464802588051cd6a7953ab7a905dae84da731653a9621efd42836bb2f45de6c9067073df890298ca55164ec157f8278756a9185293c7502232d6429dfe822abe4bdbf08ddd6b9fcbffb1448bcb4a7445906fb388d32c873b288bd5ccce831dc725fa669674cc6c9ab1e6775da4afe5c4a77a507f72d2fe4073f5a73c33b4e3cf9b1f8b7a041103c7e3ce2f7b39901364f5b3b73387a209c0b4e506bfb94ac273102ffc03326ec1fcbbc53ff4bca9d9297a2753ee534aa791cc033bdb3cc4f332a9ee2e9fe92484b63b40b3b034e5e4c2f005bec1062678543332e44ac21a3c113cbede05058bf271d5421255c4308dc2c485e582a6f829ccf1db2373a0a118fde97ef871977a7f7f2c3ba20736e741f0d0049d2ae2c1a396039272384da8fa7b09b4eed7de88e641cb13a2a4a1c8912ddb986c829e452c4491f4d7465eeee317ec54e15c3406dc0c4000d0848edc3bd2f71f1642a1e2f736ba0ed1054bee321c3be71293cf93953945df3fef2a949658a768e32c33b44a6aa0ffa187fec428906b89a8efb8df591dd0069887a9962175ef5dae69f0b80d91735da58519fba2c14016a4c3e386288fd5d07f48792c7ab3f2afd958e01a2ad43598d006086cb17529958e9ab36028760c3046ab587fe8e03caa2842e1787c836ffd3c48b1510616d732e9c12b11a2d72a1902fa1f5a7e97c3d69907a3f0813b0a4256192849fa61853fee52ec62098734b4bd841181a1c0888a40529db0adaeb806fab90fe27ad721f43c3e3c9e4bcf71817eb98d74bda5bc0a27ac687009c8606890c7d00a0008002fd89c5e290000000e000a002f6465762f70746d78000000c2116680f1005a008bac71f1f7a9b9d9918c78b39d60ea8cb76284db1ce189158602c141ef0ef3f5bc0282d703cd580eeca6c19c6c9de0eb6e5bf55e58ee466e74931127be1b9b867250b585ca1099dd1321867a3fafb69c8a36d7e7140b45a74fd1265d91eca71f7857bd1a0890e765b0f47b39f30fd68b17ef80e55b644b3a48fffd52c83f937f9cd9fc60995a64846aa9077c93a1f25242292d2827fcbadda3ec24fba62577c4caf402d2959271a90bb97a1609f22b54272189ffb888e1ae405dbe92ffb016924d39022ca1968b24ed754a77baaa29bcfb377f792ec72240873764001c571970d7147e3ce5b98cf4b77b58eafd00000008003600ac1414bb495a66951dcbdd7d33723672c78f7f1d7719cf3e66c93d08a8bca978cd95fa94f069c3a284aca16f655158f9e05732b0d5ecf3bc90a90818474009e1a9af006c7380a8a0d49e4818db04cc3a790aea4e50d0dcf1b526510e5d06a38c0f222e6895f6a707dd7f9cb4dcc9c4c1830bfadd5f2c0aca1bbf8da9e308723592ddb7f25db3a7c45164a3de77b5fbf1ac539dcb6dd77cf32734cff3358b7216b9f1bd3680ecf68a559e332d0089fb6c0ddbe2d09f07ab6c7f55058faef1bd0a812ce025141653322bd6e2a1e4a85fb73c29c386b09af12a8368acd9e13d16bf44d840ea170ee89a8901627be0c599b906c1a4e15ac275c42ceb9ec086adc75ed3c11f0946038b43c3c2d5107daa9a56e7d45f6fd3f6c2d79ee62c450dfb43f7f324599f3283f35cec8a2046479a254b5067d89606676fc01a20d0544e9359956b5319efe21592ae501391600c9890245f142d473063fdabec245017cc7133ef38f83dd8d9fc42cee85edf2ba0ea7f572a6f0dba1ff77a8323bf08b23bdf8a05b092fef09961aee1cde9189b9689c90ea230bda261b8a8061d40ab12520bc623b0c8ef243dbe8d01be37cdad065611ed5569a859c1b7c4dd9e61e4db7cd2af59fdf9830148f7c5c575103d6a40a36df6fd90036b3d0497398d8f221deae4a5b2807cbd4222899651c3decc31448b459253e5ca922d413b10c286bc401fccea945f2b3869ab4ec5475abe5d47cb3f28dd67c6ed7431678c8bfb4ba48350da682d5697eaf2bd0df9ef79357150338345bab19e4d159b6a036d8bb4ad61ce7eff2667a880486d1ae6aca5d4acc40bc9ec43937f5cde3e888d8511df12836defc2bfc6c4c076a196f81b77caa1848902e4fb7eb716b5f2a93aa898266687e749634cec2404fe24e399fe30c42f6d0394d86b5de342d4dc8c1d3f8ad6015fdc9f6b72bda39c30230a587da4655887161f46402e9b163ff41aaf42280f452bb3a9e3211083d13d5069bea15c3a15c1a441933365f8d6e32e52c1e18503b92173b2d8ffd4b483601fe4c9e89e316e9ad3e6d552051d472b1a9f7dbd8593d102bdb6a2fe84101c4b7f23cb91aff6b3bdc91b38f77041fcd87057bb449d5f4e0b38894aa90a47eb018a8599b862deec892cb092a5561a1e9b8cae377d57250f538e49428992f288652383048c6fed2f8d27673705e80c89da0be3de129843943372d328bf05b289a2e2cacb5048e6ef8f2d0846a9942634946d646e9701a30faf7fccfad71fd8574839e5062732b96dad220d94b3b3c4ba0b6694a3b41f00197d005c2a44be76d225e96f3b6e531c360ef86cc3cb86eaeacd9420b545a2f57c25f84a0f7e386b73f03b36e998a0083ae51532010d911d3ef135caede16065ec51a02f4744c563e87044dd348fca9d9f50aa3cc17a2f9257e518c7ebe6284a43c1a59a09861af44184e9a7a13bf45340d758cfa4f8672c6ade0343006af294d1308f797435f1f34344cf351c3054dbca8faea680483a0eb3280621be274884fcd76dd1621221145c412423fffb5c235753ded4db956f5d84b5a75f93c7122b2d4e5911fc973120753529d02b38d1f58b60739bb18f85f327bb0a6f55c79bec6a406a96359c417f18f1a26653e7cd72f44233c486ac766ceef2b23d1a3b2c2234fc5b330d28254c414988ccc52547eca0bdc41b5411ad76f44c4e659fa4fdba2c8a8f47618c648d3b2d10447a0628dc458d354f21659a76df81be0790222f787eed31961c62d4cfc91da690d2f0e6799aa4270738c5fd621cbe65cbfc7bef15af7f1dccc27bef7145904c81d15ae0ebda37213133369f99e9c94a3a7ef3813bf1b47b3969ba47c1e45da40855767122acd92dc8d771979116a2340efc3d4287a554fcbd6fd20dcf0a5c59b61ecfbd43246730683f76e0a1e0858e2d25140a81d25fa68ca903d872f143bdc6e8f66a91086cd801c3eabd45bcd771f5b140a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@generic="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@typed={0x8, 0x71, 0x0, 0x0, @ipv4=@multicast2}, @generic="024db1f5b0402d17fdefa1c7175c2d7f55ab5a28c1b30aa1b67aa0d9f23e4b2fa5a47e39ab37be63edeca06dd4b0c526d758506233fd008d51136862e5c0f154692d8d25fd07bd6d65bc1a4040b20699c3eed6d19939df9998c828c0c38721f0ef1b0857b04b474304202e0183f0d43ae88d55b7b6a5b8094ddc8098a9ec69ed75d67c1960d0304bdd7477700fb8698efd7d84b01c9d52c81f300dc072b3c616324f6097f6"]}, 0x11e8}, {&(0x7f0000002c80)={0x68, 0x3e, 0x2, 0x70bd29, 0x25dfdbfb, "", [@nested={0x58, 0x71, 0x0, 0x1, [@typed={0x8, 0x13, 0x0, 0x0, @pid}, @typed={0x4c, 0x5e, 0x0, 0x0, @binary="05dcc37efb2c0e3cadc45ec8613aa6a04f7b3b72ba077d08b40e07dbb6a465816078a1fffa79e8eb9f5efa0fbf82c324c3c698a909c2b358e9d4d93fc24c60073c8cab47ab6c45c9"}]}]}, 0x68}, {&(0x7f0000002fc0)={0x154, 0x18, 0x20, 0x70bd26, 0x25dfdbfc, "", [@nested={0x66, 0x6e, 0x0, 0x1, [@typed={0x8, 0x1d, 0x0, 0x0, @ipv4=@dev={0xac, 0x14, 0x14, 0x21}}, @typed={0x8, 0x24, 0x0, 0x0, @u32=0x8}, @typed={0x8, 0x6b, 0x0, 0x0, @u32=0x5}, @generic="2d8ba0d2945dbaa7ac022d02d660cb06beaae0ceed78cb791aa6639dde584e4b32750513ac1dec40584377f2819e35129801934755d8404aa4512c5bdbe6dc52c6fb9aabde0ed68794d3"]}, @nested={0xc, 0x6b, 0x0, 0x1, [@typed={0x8, 0x3f, 0x0, 0x0, @uid}]}, @nested={0x4c, 0x95, 0x0, 0x1, [@typed={0x8, 0x4, 0x0, 0x0, @u32}, @typed={0x8, 0x4d, 0x0, 0x0, @u32=0xf3}, @generic, @generic="1782c9dbefee5a651db105f0c718835b0bc7ff9277e7f9a35fe077f2004f874a", @generic="5e356e1f73e40820006fb0a3dcd9d1a1147ce56170ef89e7"]}, @nested={0x79, 0x69, 0x0, 0x1, [@typed={0x4, 0x4f}, @typed={0xe, 0x67, 0x0, 0x0, @str='\xdd--,#+#+{\x00'}, @generic="7171b05c1ff94d0a95ad94c00a1e39fb8a08a0bb82725d6f0a4eb816bcda996c7de4bc45a6653e8f9cf4a5db2592d21d52159e4d4756e52a86c1f6744b478e77ab023c6a5fab89988a07d5352d837ebd6fafea205cbbcd4275a45c61bc410b8f8f"]}, @typed={0x8, 0x76, 0x0, 0x0, @pid}]}, 0x154}], 0x5, &(0x7f0000002ec0)=[@rights={{0x24, 0x1, 0x1, [0xffffffffffffffff, 0xffffffffffffffff, r0, 0xffffffffffffffff, 0xffffffffffffffff]}}, @rights={{0x1c, 0x1, 0x1, [0xffffffffffffffff, 0xffffffffffffffff, r0]}}, @rights={{0x2c, 0x1, 0x1, [0xffffffffffffffff, r0, 0xffffffffffffffff, r0, r1, r0, r0]}}, @cred={{0x1c, 0x1, 0x2, {r3, r5, r7}}}], 0x98, 0x1}, 0x80) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xf) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) 13:40:29 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0xa8df0, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) [ 3080.456168] batman_adv: batadv0: Not using interface veth239 (retrying later): interface not active [ 3080.647371] batman_adv: batadv0: Adding interface: veth205 [ 3080.693921] batman_adv: batadv0: The MTU of interface veth205 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 3080.921123] batman_adv: batadv0: Not using interface veth205 (retrying later): interface not active 13:40:30 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x6000000, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) 13:40:30 executing program 3: ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x3f68, &(0x7f0000000200)={&(0x7f0000000640)=@newlink={0x20, 0x11, 0x40d, 0x0, 0x0, {0x5, 0x0, 0x0, r3}}, 0x20}, 0x1, 0x3f00}, 0x0) 13:40:30 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0xf0ffff, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) [ 3081.206153] batman_adv: batadv0: Adding interface: veth241 [ 3081.251121] batman_adv: batadv0: The MTU of interface veth241 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 3081.392992] batman_adv: batadv0: Not using interface veth241 (retrying later): interface not active 13:40:31 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xe) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) r1 = open(&(0x7f0000000140)='./file0\x00', 0x40002, 0x8) sendfile(r1, 0xffffffffffffffff, 0x0, 0x2008000fffffffe) setsockopt$inet6_opts(r1, 0x29, 0x36, &(0x7f0000000040)=@fragment={0x33, 0x0, 0x3, 0x0, 0x0, 0x4, 0x66}, 0x8) [ 3081.517120] batman_adv: batadv0: Adding interface: veth207 [ 3081.546359] batman_adv: batadv0: The MTU of interface veth207 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 13:40:31 executing program 2: openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) r0 = open(&(0x7f0000000140)='./file0\x00', 0x40002, 0x8) sendfile(r0, 0xffffffffffffffff, 0x0, 0x2008000fffffffe) ioctl$TIOCSETD(0xffffffffffffffff, 0x5423, &(0x7f0000000080)=0x1a) pipe(&(0x7f0000000040)={0xffffffffffffffff}) getsockopt$XDP_STATISTICS(r1, 0x11b, 0x7, &(0x7f00000000c0), &(0x7f0000000100)=0x18) r2 = open(&(0x7f0000000140)='./file0\x00', 0x40002, 0x8) sendfile(r2, 0xffffffffffffffff, 0x0, 0x2008000fffffffe) r3 = open(&(0x7f0000000140)='./file0\x00', 0x40002, 0x8) sendfile(r3, 0xffffffffffffffff, 0x0, 0x2008000fffffffe) ioctl$TIOCSETD(r3, 0x5412, &(0x7f0000000000)=0x10000000) [ 3081.646500] batman_adv: batadv0: Not using interface veth207 (retrying later): interface not active 13:40:31 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x7000000, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) 13:40:31 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x1000000, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) 13:40:31 executing program 3: ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x3f6c, &(0x7f0000000200)={&(0x7f0000000640)=@newlink={0x20, 0x11, 0x40d, 0x0, 0x0, {0x5, 0x0, 0x0, r3}}, 0x20}, 0x1, 0x3f00}, 0x0) [ 3081.793070] batman_adv: batadv0: Adding interface: veth243 [ 3081.807742] batman_adv: batadv0: The MTU of interface veth243 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 13:40:31 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xe) r1 = dup(0xffffffffffffffff) ioctl$BLKIOMIN(r1, 0x1278, 0x0) write$P9_RSETATTR(r1, &(0x7f0000000180)={0x7}, 0x7) write$P9_RATTACH(r1, &(0x7f0000000100)={0xfffffffffffffd85, 0x69, 0x4001, {0x40, 0x2, 0x207}}, 0xd) getsockname$packet(0xffffffffffffffff, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000000c0)=0x14) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)=ANY=[@ANYBLOB="662a38000000240007050000004007a2a300", @ANYRES32=r2, @ANYBLOB="000070d5fffffdff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000300)=ANY=[@ANYBLOB='h\x00\x00\x00,\x00\'\r\x00'/20, @ANYRES32=r2, @ANYBLOB], 0x68}}, 0x0) ioctl$sock_ipv6_tunnel_SIOCCHG6RD(0xffffffffffffffff, 0x89fb, &(0x7f0000000040)={'sit0\x00', &(0x7f00000001c0)={'ip6gre0\x00', r2, 0x29, 0xf0, 0x6, 0x3f, 0x1, @dev={0xfe, 0x80, [], 0x36}, @mcast2, 0x40, 0x1, 0x6, 0x2}}) ioctl$TIOCSETD(r1, 0x5412, &(0x7f0000000000)) [ 3081.862709] batman_adv: batadv0: Not using interface veth243 (retrying later): interface not active [ 3081.942363] batman_adv: batadv0: Adding interface: veth209 [ 3081.952544] batman_adv: batadv0: The MTU of interface veth209 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 13:40:31 executing program 2: ioctl$SNDRV_CTL_IOCTL_PCM_PREFER_SUBDEVICE(0xffffffffffffffff, 0x40045532, &(0x7f0000000040)=0x7) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0x11) recvmsg(0xffffffffffffffff, &(0x7f0000000540)={&(0x7f0000000140)=@pppol2tpin6={0x18, 0x1, {0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, {0xa, 0x0, 0x0, @private2}}}, 0x80, &(0x7f0000000400)=[{&(0x7f00000001c0)}, {&(0x7f0000000200)=""/58, 0x3a}, {&(0x7f0000000240)=""/254, 0xfe}, {&(0x7f0000000340)=""/15, 0xf}, {&(0x7f0000000380)=""/107, 0x6b}], 0x5, &(0x7f0000000480)=""/172, 0xac}, 0x0) ioctl$PPPOEIOCDFWD(r1, 0xb101, 0x0) r2 = syz_open_procfs$namespace(0x0, &(0x7f00000000c0)='ns/mnt\x00') openat$ttyprintk(0xffffffffffffff9c, &(0x7f0000000100)='/dev/ttyprintk\x00', 0x46c280, 0x0) setns(r2, 0x0) r3 = dup2(r0, r2) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) ioctl$PPPIOCSCOMPRESS(r3, 0x4010744d) [ 3082.071935] batman_adv: batadv0: Not using interface veth209 (retrying later): interface not active 13:40:31 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x8000000, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) 13:40:31 executing program 3: ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x3f74, &(0x7f0000000200)={&(0x7f0000000640)=@newlink={0x20, 0x11, 0x40d, 0x0, 0x0, {0x5, 0x0, 0x0, r3}}, 0x20}, 0x1, 0x3f00}, 0x0) 13:40:31 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x2000000, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) 13:40:31 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x4800, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) [ 3082.235307] batman_adv: batadv0: Adding interface: veth245 [ 3082.260723] batman_adv: batadv0: The MTU of interface veth245 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 3082.338021] batman_adv: batadv0: Not using interface veth245 (retrying later): interface not active [ 3082.372956] nla_parse: 38 callbacks suppressed [ 3082.372965] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 3082.447440] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. [ 3082.483880] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. [ 3082.526174] batman_adv: batadv0: Adding interface: veth211 [ 3082.553443] batman_adv: batadv0: The MTU of interface veth211 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 3082.633374] batman_adv: batadv0: Not using interface veth211 (retrying later): interface not active [ 3082.685759] batman_adv: batadv0: Adding interface: veth121 [ 3082.700582] batman_adv: batadv0: The MTU of interface veth121 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 3082.777686] batman_adv: batadv0: Not using interface veth121 (retrying later): interface not active [ 3082.803416] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. 13:40:32 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0xa000000, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) [ 3082.825520] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 3082.858390] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. 13:40:32 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0xa4d01, 0x0) ioctl$TIOCSETD(0xffffffffffffffff, 0x5423, &(0x7f0000000080)=0xe) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) ioctl$TIOCL_SELLOADLUT(r0, 0x541c, &(0x7f0000000040)={0x5, 0x2, 0x9, 0x0, 0x2}) 13:40:32 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x3000000, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) 13:40:32 executing program 3: ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x3f7a, &(0x7f0000000200)={&(0x7f0000000640)=@newlink={0x20, 0x11, 0x40d, 0x0, 0x0, {0x5, 0x0, 0x0, r3}}, 0x20}, 0x1, 0x3f00}, 0x0) [ 3082.953860] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. 13:40:32 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0xa4d01, 0x0) ioctl$TIOCSETD(0xffffffffffffffff, 0x5423, &(0x7f0000000080)=0xe) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) ioctl$TIOCL_SELLOADLUT(r0, 0x541c, &(0x7f0000000040)={0x5, 0x2, 0x9, 0x0, 0x2}) [ 3083.034554] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 3083.100413] batman_adv: batadv0: Adding interface: veth247 [ 3083.106319] batman_adv: batadv0: The MTU of interface veth247 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 3083.140428] batman_adv: batadv0: Not using interface veth247 (retrying later): interface not active 13:40:32 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TCSETS(r0, 0x40045431, &(0x7f00003b9fdc)) r1 = syz_open_pts(r0, 0x0) ioctl$TIOCSETD(r1, 0x5423, &(0x7f0000000180)=0x5) ioctl$TCSETSF(r1, 0x5412, &(0x7f0000000040)={0xffffffdb, 0x0, 0x0, 0x0, 0x0, "b2e700"}) r2 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r2, 0x5423, &(0x7f0000000080)=0xe) ioctl$TIOCSETD(r2, 0x5412, &(0x7f0000000000)) r3 = open(&(0x7f0000000140)='./file0\x00', 0x40002, 0x8) sendfile(r3, 0xffffffffffffffff, 0x0, 0x2008000fffffffe) ioctl$VIDIOC_G_EDID(r3, 0xc0285628, &(0x7f00000000c0)={0x0, 0x400, 0x8001, [], &(0x7f0000000040)=0x3f}) ioctl$GIO_FONT(r1, 0x4b60, &(0x7f0000000100)=""/44) [ 3083.177137] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. [ 3083.209930] batman_adv: batadv0: Adding interface: veth213 [ 3083.215661] batman_adv: batadv0: The MTU of interface veth213 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 3083.247929] batman_adv: batadv0: Not using interface veth213 (retrying later): interface not active [ 3083.268617] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. [ 3083.282472] mkiss: ax0: crc mode is auto. 13:40:32 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x4000000, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) 13:40:32 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0xc000000, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) 13:40:32 executing program 3: ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x4000, &(0x7f0000000200)={&(0x7f0000000640)=@newlink={0x20, 0x11, 0x40d, 0x0, 0x0, {0x5, 0x0, 0x0, r3}}, 0x20}, 0x1, 0x3f00}, 0x0) 13:40:33 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TCSETS(r0, 0x40045431, &(0x7f00003b9fdc)) r1 = syz_open_pts(r0, 0x0) ioctl$TIOCSETD(r1, 0x5423, &(0x7f0000000180)=0x5) ioctl$TCSETSF(r1, 0x5412, &(0x7f0000000040)={0xffffffdb, 0x0, 0x0, 0x0, 0x0, "b2e700"}) r2 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r2, 0x5423, &(0x7f0000000080)=0xe) ioctl$TIOCSETD(r2, 0x5412, &(0x7f0000000000)) r3 = open(&(0x7f0000000140)='./file0\x00', 0x40002, 0x8) sendfile(r3, 0xffffffffffffffff, 0x0, 0x2008000fffffffe) ioctl$VIDIOC_G_EDID(r3, 0xc0285628, &(0x7f00000000c0)={0x0, 0x400, 0x8001, [], &(0x7f0000000040)=0x3f}) ioctl$GIO_FONT(r1, 0x4b60, &(0x7f0000000100)=""/44) [ 3083.456346] batman_adv: batadv0: Adding interface: veth215 [ 3083.480276] batman_adv: batadv0: The MTU of interface veth215 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 3083.579552] batman_adv: batadv0: Not using interface veth215 (retrying later): interface not active 13:40:33 executing program 0: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xe) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) r1 = dup(0xffffffffffffffff) ioctl$BLKIOMIN(r1, 0x1278, 0x0) write$P9_RSETATTR(r1, &(0x7f0000000180)={0x7}, 0x7) write$P9_RATTACH(r1, &(0x7f0000000100)={0xfffffffffffffd85, 0x69, 0x4001, {0x40, 0x2, 0x207}}, 0xd) r2 = open(&(0x7f0000000140)='./file0\x00', 0x40002, 0x8) sendfile(r2, 0xffffffffffffffff, 0x0, 0x2008000fffffffe) ioctl$DRM_IOCTL_MODE_CREATEPROPBLOB(r2, 0xc01064bd, &(0x7f00000002c0)={&(0x7f0000000500)="232ac52c309c8d4b057340f77c58c4a919404bba69c7acbf307d17f616f7ca0704fc5931264b41333ebd56fe7bd3fd0dc3c69c077682a7744fba3883439b9030f46c7cd663d363f4bb33c4629c21914ba739473f6c3c5fd07500281b60db7770cc62488174038b9caa44998bb7ff00edfe01cd5d81ea0bf7cc5b2565db8a5b764073318accee7bb3ee404f4fa16e5fa6bffb23113a19e80276030bb468af1915c386dd5b29f56d925b960fa1a1a667442781bda92fce09038878cc159fff2ce7ab9999ec58b0bcde3f2ebac3aa4ba36b2a78920f3ef620bb82ea3c8a92797692a4b95d81f2fd9516ae1d19162510bfe3f22e620e415df2b956da695818b652f8f9852825a34ebe7bb1d17743d9b503695fad903296557049b07395cda9f4ef36c02daf1a2870de1332af967d9441247d6971b56bba9312cbd2d385a23ab4437da72875061b4a02d7cab4c749ae2f79dd75e769719848e8a8c61487be1979d2d66cb7b85b308cbb0bda5fde6cee761e231cfc6eb09db27ae2f6dd8afd8ef0cfb706128fbbb41429e7f96a51d3d95f5ea61c6258eac87509f9dcfc14a9974fb234f65072f20c5f1a2c439bbedea4f67c9b9d80dab8af645728ea1e72f97ea65a1e2837c191cf0fbcb6d4e19a0d2cba86adfc86f93d4e224002dd23def236", 0x1dd, 0x1}) ioctl$DRM_IOCTL_MODE_CREATEPROPBLOB(r1, 0xc01064bd, &(0x7f0000000280)={&(0x7f00000000c0)="4a7f63465b651de764e4d4454fa4ed1394961587c43a39917574186c3981dd4759dcc5ff4c5cb7fb1ceba63e9faf3fb7433f058cc8194b2233241cacb8aacfe8f8e0651b27f880878e538371857d46adb7ce2ef149a26f323d09fae4a584c7657f84520edac90d3f46f6bcf9e6b3e2f725fc127df57d8b04f7d8c1772c1ad2d0355b0d9fb4f9ba56675000751e24b77868b3b4fc3cf80cb4e65186cff5", 0x9d, r3}) [ 3083.667094] batman_adv: batadv0: Adding interface: veth249 [ 3083.676373] batman_adv: batadv0: The MTU of interface veth249 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 13:40:33 executing program 0: r0 = dup(0xffffffffffffffff) r1 = openat$dlm_monitor(0xffffffffffffff9c, &(0x7f0000000040)='/dev/dlm-monitor\x00', 0x119000, 0x0) sendmsg$alg(r1, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000000c0)=[{&(0x7f00000001c0)="71e02e3d226cd171b311f9cb4bb3bcfba801538edf0a2b1e3d8d712f243ccbeb4942d076cc95049340d86946674ed2e6b35c5b285338b00d7bed379c24ab89e4902be9617dc2b22e83c0cf3a0dfa375e36699fbb952f7e84f9e6f213c02da552709af2b61b8d4d23b8d8e5cf4542f01150b4fec5df3726dc6b097cb830484d7baa7d29e2e5b6edba622a791730f3d30c54f42eee2cdd4889a26e2e15bb182d2ecd428c8e36ae2a624ee100b4c5531c6fadd9406eae943f2ac412b46f83b02360bd747e01971fb4b004109c7048c5c3243c051c0dc5e0f93155c4f2eb1a91913cc3fe3aac4aa6a91629ad", 0xea}], 0x1, &(0x7f00000002c0)=[@op={0x18}, @op={0x18, 0x117, 0x3, 0x1}, @assoc={0x18, 0x117, 0x4, 0x4}, @op={0x18, 0x117, 0x3, 0x1}], 0x60}, 0x4000040) ioctl$BLKIOMIN(r0, 0x1278, 0x0) write$P9_RSETATTR(r0, &(0x7f0000000180)={0x7}, 0x7) write$P9_RATTACH(r0, &(0x7f0000000100)={0xfffffffffffffd85, 0x69, 0x4001, {0x40, 0x2, 0x207}}, 0xd) ioctl$SNDRV_PCM_IOCTL_UNLINK(r0, 0x4161, 0x0) r2 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) r3 = open(&(0x7f0000000140)='./file0\x00', 0x40002, 0x8) sendfile(r3, 0xffffffffffffffff, 0x0, 0x2008000fffffffe) r4 = openat$cgroup(r3, &(0x7f0000000340)='syz1\x00', 0x200002, 0x0) ioctl$F2FS_IOC_MOVE_RANGE(r4, 0xc020f509, &(0x7f00000003c0)={0xffffffffffffffff, 0x6, 0x40, 0x155fcdc}) ioctl$LOOP_CTL_GET_FREE(r5, 0x4c82) openat$cgroup_procs(r4, &(0x7f0000000380)='tasks\x00', 0x2, 0x0) ioctl$TIOCSETD(r2, 0x5423, &(0x7f0000000080)=0xe) syncfs(r2) ioctl$TIOCSETD(r2, 0x5412, &(0x7f0000000000)) [ 3083.771856] batman_adv: batadv0: Not using interface veth249 (retrying later): interface not active 13:40:33 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0xe000000, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) [ 3083.849498] mkiss: ax0: crc mode is auto. 13:40:33 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x5000000, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) 13:40:33 executing program 3: ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x3f00, &(0x7f0000000200)={&(0x7f0000000640)=@newlink={0x2, 0x11, 0x40d, 0x0, 0x0, {0x5, 0x0, 0x0, r3}}, 0x20}, 0x1, 0x3f00}, 0x0) 13:40:33 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TCSETS(r0, 0x40045431, &(0x7f00003b9fdc)) r1 = syz_open_pts(r0, 0x0) ioctl$TIOCSETD(r1, 0x5423, &(0x7f0000000180)=0x5) ioctl$TCSETSF(r1, 0x5412, &(0x7f0000000040)={0xffffffdb, 0x0, 0x0, 0x0, 0x0, "b2e700"}) r2 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r2, 0x5423, &(0x7f0000000080)=0xe) ioctl$TIOCSETD(r2, 0x5412, &(0x7f0000000000)) r3 = open(&(0x7f0000000140)='./file0\x00', 0x40002, 0x8) sendfile(r3, 0xffffffffffffffff, 0x0, 0x2008000fffffffe) ioctl$VIDIOC_G_EDID(r3, 0xc0285628, &(0x7f00000000c0)={0x0, 0x400, 0x8001, [], &(0x7f0000000040)=0x3f}) ioctl$GIO_FONT(r1, 0x4b60, &(0x7f0000000100)=""/44) 13:40:33 executing program 0: r0 = openat$audio(0xffffffffffffff9c, &(0x7f0000000040)='/dev/audio\x00', 0x10200, 0x0) ioctl$SNDCTL_DSP_GETISPACE(r0, 0x8010500d, &(0x7f00000000c0)) r1 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r1, 0x5423, &(0x7f0000000080)=0xe) ioctl$TIOCSETD(r1, 0x5412, &(0x7f0000000000)) [ 3084.053762] batman_adv: batadv0: Adding interface: veth251 [ 3084.066324] batman_adv: batadv0: The MTU of interface veth251 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 13:40:33 executing program 0: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) r1 = syz_open_dev$audion(&(0x7f0000000040)='/dev/audio#\x00', 0x7, 0x200) getsockopt$inet_sctp6_SCTP_I_WANT_MAPPED_V4_ADDR(r1, 0x84, 0xc, &(0x7f00000000c0), &(0x7f0000000100)=0x4) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xe) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) r2 = open(&(0x7f0000000140)='./file0\x00', 0x40002, 0x8) sendfile(r2, 0xffffffffffffffff, 0x0, 0x2008000fffffffe) r3 = openat(r2, &(0x7f0000000140)='./file0\x00', 0x208002, 0x80) setxattr$security_ima(&(0x7f00000001c0)='./file0/../file0\x00', &(0x7f0000000200)='security.ima\x00', &(0x7f0000000240)=@md5={0x1, "d8e5f129cbc0a8f628690372ac978747"}, 0x11, 0x2) ioctl$TCSETSF(r3, 0x5404, &(0x7f0000000180)={0x5, 0x645f7bb4, 0x2, 0x8001, 0x17, "3def169724489ddb48d57ad78c349be3735ac8"}) [ 3084.168974] batman_adv: batadv0: Not using interface veth251 (retrying later): interface not active [ 3084.245696] batman_adv: batadv0: Adding interface: veth217 [ 3084.252695] mkiss: ax0: crc mode is auto. 13:40:33 executing program 0: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) r1 = ioctl$TIOCGPTPEER(r0, 0x5441, 0x5) ioctl$TIOCSETD(r1, 0x5423, &(0x7f0000000080)=0x1000002) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) [ 3084.278715] batman_adv: batadv0: The MTU of interface veth217 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 13:40:33 executing program 0: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0x12) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) [ 3084.354997] batman_adv: batadv0: Not using interface veth217 (retrying later): interface not active 13:40:34 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x10000000, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) 13:40:34 executing program 3: ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x3f00, &(0x7f0000000200)={&(0x7f0000000640)=@newlink={0x3, 0x11, 0x40d, 0x0, 0x0, {0x5, 0x0, 0x0, r3}}, 0x20}, 0x1, 0x3f00}, 0x0) 13:40:34 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x6000000, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) 13:40:34 executing program 2: r0 = creat(&(0x7f00000000c0)='./file0\x00', 0x4) ioctl$DRM_IOCTL_MODE_OBJ_GETPROPERTIES(r0, 0xc02064b9, &(0x7f0000000180)={&(0x7f0000000100)=[0x0, 0xc97], &(0x7f0000000140)=[0x0], 0x2, 0x800, 0xeeeeeeee}) r1 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r1, 0x5423, &(0x7f0000000080)=0xe) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r2 = socket$inet6(0xa, 0x800000000000002, 0x0) connect$inet6(r2, &(0x7f0000000040)={0xa, 0x0, 0x0, @local, 0x4}, 0x1c) setsockopt$inet6_opts(r2, 0x29, 0x36, &(0x7f00000001c0)=@fragment, 0x8) sendmmsg(r2, &(0x7f0000006d00)=[{{0x0, 0x1002000, 0x0, 0x0, 0x0, 0x0, 0xb605}}], 0xc6, 0x0) ioctl$TIOCSETD(r1, 0x5412, &(0x7f0000000000)) [ 3084.536750] batman_adv: batadv0: Adding interface: veth253 13:40:34 executing program 0: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) r1 = open(&(0x7f0000000140)='./file0\x00', 0x8002, 0x8) sendfile(0xffffffffffffffff, 0xffffffffffffffff, 0x0, 0xb5) ioctl$VT_RELDISP(r1, 0x5605) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0x16) r2 = open(&(0x7f0000000140)='./file0\x00', 0x40002, 0x8) r3 = dup(0xffffffffffffffff) ioctl$BLKIOMIN(r3, 0x1278, 0x0) mmap(&(0x7f0000ffc000/0x2000)=nil, 0x2000, 0x300000a, 0x12, 0xffffffffffffffff, 0x795a2000) r4 = dup(r0) ioctl$BLKIOMIN(r4, 0x1278, 0x0) write$P9_RATTACH(r4, &(0x7f0000000100)={0x14, 0x69, 0x4001, {0x2, 0x2, 0x200}}, 0x14) write$P9_RSETATTR(r4, &(0x7f0000000180)={0x7}, 0x7) write$P9_RATTACH(r3, &(0x7f0000000100)={0xfffffffffffffd85, 0x69, 0x4001, {0x40, 0x2, 0x207}}, 0xd) sendfile(r2, r3, 0x0, 0x1) fcntl$getflags(r2, 0x0) ioctl$TIOCSETD(r0, 0x5412, &(0x7f00000000c0)=0x8000000) r5 = openat$autofs(0xffffffffffffff9c, &(0x7f0000000040)='/dev/autofs\x00', 0x4040c0, 0x0) ioctl$PERF_EVENT_IOC_DISABLE(r5, 0x2401, 0x10000) ioctl$MON_IOCQ_RING_SIZE(r3, 0x9205) [ 3084.568801] batman_adv: batadv0: The MTU of interface veth253 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 3084.622739] batman_adv: batadv0: Not using interface veth253 (retrying later): interface not active [ 3084.726945] batman_adv: batadv0: Adding interface: veth221 [ 3084.743910] batman_adv: batadv0: The MTU of interface veth221 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 13:40:34 executing program 0: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x1, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xe) r1 = dup(0xffffffffffffffff) r2 = dup(0xffffffffffffffff) ioctl$BLKIOMIN(r2, 0x1278, 0x0) r3 = dup(0xffffffffffffffff) ioctl$BLKIOMIN(r3, 0x1278, 0x0) write$P9_RSETATTR(r3, &(0x7f0000000180)={0x7}, 0x7) write$P9_RATTACH(r3, &(0x7f0000000100)={0xfffffffffffffd85, 0x69, 0x4001, {0x40, 0x2, 0x207}}, 0xd) ioctl$TIOCGICOUNT(r3, 0x545d, 0x0) write$P9_RSETATTR(r2, &(0x7f0000000180)={0x7}, 0x7) write$P9_RATTACH(r2, &(0x7f0000000100)={0xfffffffffffffd85, 0x69, 0x4001, {0x40, 0x2, 0x207}}, 0xd) ioctl$BLKIOMIN(r2, 0x1278, 0x0) write$P9_RSETATTR(r1, &(0x7f0000000180)={0x7}, 0x7) write$P9_RATTACH(r1, &(0x7f0000000100)={0xfffffffffffffd85, 0x69, 0x4001, {0x40, 0x2, 0x207}}, 0xd) ioctl$EXT4_IOC_SWAP_BOOT(r1, 0x6611) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) 13:40:34 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x6000, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) [ 3084.852906] batman_adv: batadv0: Not using interface veth221 (retrying later): interface not active 13:40:34 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x20000000, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) 13:40:34 executing program 3: ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x3f00, &(0x7f0000000200)={&(0x7f0000000640)=@newlink={0x4, 0x11, 0x40d, 0x0, 0x0, {0x5, 0x0, 0x0, r3}}, 0x20}, 0x1, 0x3f00}, 0x0) 13:40:34 executing program 0: r0 = open(&(0x7f0000000140)='./file0\x00', 0x40002, 0x8) sendfile(r0, 0xffffffffffffffff, 0x0, 0x2008000fffffffe) ioctl$ION_IOC_HEAP_QUERY(r0, 0xc0184908, &(0x7f00000000c0)={0x34, 0x0, &(0x7f0000000040)}) r1 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r1, 0x5412, &(0x7f0000000000)) [ 3084.971265] batman_adv: batadv0: Adding interface: veth123 [ 3084.982573] batman_adv: batadv0: The MTU of interface veth123 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 13:40:34 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x7000000, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) [ 3085.068660] batman_adv: batadv0: Not using interface veth123 (retrying later): interface not active [ 3085.142427] batman_adv: batadv0: Adding interface: veth257 [ 3085.158949] batman_adv: batadv0: The MTU of interface veth257 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 13:40:34 executing program 0: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xe) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) r1 = inotify_init1(0x80800) fcntl$setown(r1, 0x8, 0xffffffffffffffff) r2 = dup(0xffffffffffffffff) ioctl$BLKIOMIN(r2, 0x1278, 0x0) pipe(&(0x7f00000002c0)) write$P9_RSETATTR(0xffffffffffffffff, &(0x7f0000000180)={0x7, 0x1b, 0x2}, 0x7) r3 = bpf$MAP_CREATE(0x0, &(0x7f0000000500)={0x7, 0x4, 0x8, 0xf1a}, 0x2c) bpf$BPF_GET_MAP_INFO(0xf, &(0x7f0000000080)={r3, 0x28, &(0x7f0000000240)={0x0, 0x0}}, 0x10) bpf$BPF_MAP_GET_FD_BY_ID(0xe, &(0x7f0000000040)={r4}, 0xc) r5 = bpf$BPF_MAP_GET_FD_BY_ID(0xe, &(0x7f0000000140)={r4, 0x236, 0x10}, 0xc) signalfd(r5, &(0x7f00000001c0)={[0x6]}, 0x8) r6 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000200)='/proc/sys/net/ipv4/vs/sync_threshold\x00', 0x2, 0x0) ioctl$TIOCGPTLCK(r6, 0x80045439, &(0x7f0000000280)) write$P9_RATTACH(r2, &(0x7f0000000100)={0xfffffffffffffd85, 0x69, 0x4001, {0x40, 0x2, 0x207}}, 0xd) fcntl$getownex(r2, 0x10, &(0x7f00000000c0)={0x0, 0x0}) tkill(r7, 0x13) fcntl$lock(0xffffffffffffffff, 0x25, &(0x7f0000000040)={0x1, 0x1, 0x1, 0x1, r7}) 13:40:34 executing program 2 (fault-call:12 fault-nth:0): openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(0xffffffffffffffff, 0x4020ae46, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000000000/0x18000)=nil, &(0x7f00000000c0)=[@text64={0x40, 0x0}], 0x1, 0x0, 0x0, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r4}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x3f00, &(0x7f0000000200)={&(0x7f0000000640)=@newlink={0x20, 0x11, 0x40d, 0xa, 0x0, {0x5, 0x0, 0x0, r4}}, 0x20}, 0x1, 0x3f00}, 0x0) [ 3085.222026] batman_adv: batadv0: Not using interface veth257 (retrying later): interface not active [ 3085.289045] batman_adv: batadv0: Adding interface: veth223 [ 3085.302097] batman_adv: batadv0: The MTU of interface veth223 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 13:40:35 executing program 0: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xe) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)=0x10) r1 = dup(0xffffffffffffffff) ioctl$BLKIOMIN(r1, 0x1278, 0x0) write$P9_RSETATTR(r1, &(0x7f0000000180)={0x7}, 0x7) write$P9_RATTACH(r1, &(0x7f0000000100)={0xfffffffffffffd85, 0x69, 0x4001, {0x40, 0x2, 0x207}}, 0xd) ioctl$KDGKBTYPE(r1, 0x4b33, &(0x7f0000000040)) [ 3085.408451] batman_adv: batadv0: Not using interface veth223 (retrying later): interface not active [ 3085.436622] FAULT_INJECTION: forcing a failure. [ 3085.436622] name failslab, interval 1, probability 0, space 0, times 0 [ 3085.471579] CPU: 1 PID: 14232 Comm: syz-executor.2 Not tainted 4.19.133-syzkaller #0 [ 3085.479479] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 3085.488831] Call Trace: [ 3085.491432] dump_stack+0x1fc/0x2fe [ 3085.495081] should_fail.cold+0xa/0x14 [ 3085.498978] ? setup_fault_attr+0x200/0x200 [ 3085.503312] ? lock_acquire+0x170/0x3c0 [ 3085.507302] __should_failslab+0x115/0x180 [ 3085.511546] should_failslab+0x5/0xf [ 3085.515273] kmem_cache_alloc_node+0x245/0x3b0 [ 3085.519962] __alloc_skb+0x71/0x560 [ 3085.523602] netlink_sendmsg+0x9ee/0xc40 [ 3085.527678] ? nlmsg_notify+0x1a0/0x1a0 [ 3085.531657] ? kernel_recvmsg+0x220/0x220 [ 3085.535817] ? nlmsg_notify+0x1a0/0x1a0 [ 3085.539799] sock_sendmsg+0xc3/0x120 [ 3085.543538] ___sys_sendmsg+0x7bb/0x8e0 [ 3085.547656] ? check_preemption_disabled+0x41/0x280 [ 3085.552701] ? copy_msghdr_from_user+0x440/0x440 [ 3085.557470] ? __fget+0x32f/0x510 [ 3085.560939] ? lock_downgrade+0x720/0x720 [ 3085.565090] ? check_preemption_disabled+0x41/0x280 [ 3085.570110] ? check_preemption_disabled+0x41/0x280 [ 3085.575134] ? __fget+0x356/0x510 [ 3085.578590] ? do_dup2+0x450/0x450 [ 3085.582126] ? lock_downgrade+0x720/0x720 [ 3085.586275] ? vfs_write+0x3d7/0x540 [ 3085.590003] ? __fdget+0x1d0/0x230 [ 3085.593551] __x64_sys_sendmsg+0x132/0x220 [ 3085.597794] ? __sys_sendmsg+0x1b0/0x1b0 [ 3085.601949] ? vfs_write+0x393/0x540 [ 3085.605803] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 3085.610562] ? trace_hardirqs_off_caller+0x69/0x210 [ 3085.615579] ? do_syscall_64+0x21/0x620 [ 3085.617179] batman_adv: batadv0: Adding interface: veth125 [ 3085.619555] do_syscall_64+0xf9/0x620 [ 3085.619577] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 3085.619588] RIP: 0033:0x45c1d9 [ 3085.619602] Code: 8d b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 5b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 3085.619616] RSP: 002b:00007ff036ef8c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 3085.625358] batman_adv: batadv0: The MTU of interface veth125 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 3085.629007] RAX: ffffffffffffffda RBX: 000000000002af00 RCX: 000000000045c1d9 [ 3085.629016] RDX: 0000000000000000 RSI: 0000000020000140 RDI: 0000000000000003 [ 3085.629024] RBP: 00007ff036ef8ca0 R08: 0000000000000000 R09: 0000000000000000 [ 3085.629032] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 13:40:35 executing program 3: ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x3f00, &(0x7f0000000200)={&(0x7f0000000640)=@newlink={0x5, 0x11, 0x40d, 0x0, 0x0, {0x5, 0x0, 0x0, r3}}, 0x20}, 0x1, 0x3f00}, 0x0) [ 3085.629041] R13: 00007fffa744a68f R14: 00007ff036ef99c0 R15: 000000000078c04c 13:40:35 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x2a830a00, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) 13:40:35 executing program 0: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xe) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) r1 = dup(0xffffffffffffffff) ioctl$BLKIOMIN(r1, 0x1278, 0x0) write$P9_RSETATTR(r1, &(0x7f0000000180)={0x7}, 0x7) write$P9_RATTACH(r1, &(0x7f0000000100)={0xfffffffffffffd85, 0x69, 0x4001, {0x40, 0x2, 0x207}}, 0xd) ioctl$TIOCSETD(r1, 0x5423, &(0x7f0000000040)=0x15) [ 3085.758362] batman_adv: batadv0: Not using interface veth125 (retrying later): interface not active 13:40:35 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x8000000, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) [ 3085.850475] batman_adv: batadv0: Adding interface: veth261 [ 3085.856433] batman_adv: batadv0: The MTU of interface veth261 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 13:40:35 executing program 2 (fault-call:12 fault-nth:1): openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(0xffffffffffffffff, 0x4020ae46, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000000000/0x18000)=nil, &(0x7f00000000c0)=[@text64={0x40, 0x0}], 0x1, 0x0, 0x0, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r4}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x3f00, &(0x7f0000000200)={&(0x7f0000000640)=@newlink={0x20, 0x11, 0x40d, 0xa, 0x0, {0x5, 0x0, 0x0, r4}}, 0x20}, 0x1, 0x3f00}, 0x0) 13:40:35 executing program 3: ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x3f00, &(0x7f0000000200)={&(0x7f0000000640)=@newlink={0x6, 0x11, 0x40d, 0x0, 0x0, {0x5, 0x0, 0x0, r3}}, 0x20}, 0x1, 0x3f00}, 0x0) [ 3085.893643] batman_adv: batadv0: Not using interface veth261 (retrying later): interface not active 13:40:35 executing program 0: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) r1 = dup(0xffffffffffffffff) ioctl$BLKIOMIN(r1, 0x1278, 0x0) r2 = openat$cgroup_type(r1, &(0x7f0000000240)='cgroup.type\x00', 0x2, 0x0) ioctl$FITRIM(r2, 0xc0185879, &(0x7f00000002c0)={0x49f8, 0x80000, 0x4}) write$P9_RSETATTR(r1, &(0x7f0000000280)={0x7, 0x1b, 0x6}, 0x7) write$P9_RATTACH(r1, &(0x7f0000000100)={0xfffffffffffffd85, 0x69, 0x4001, {0x40, 0x2, 0x207}}, 0xd) sendmsg$nfc_llcp(r1, &(0x7f0000000200)={&(0x7f0000000040)={0x27, 0x1, 0x2, 0x7, 0x80, 0x8, "a0c828f8c84a0d3a17584ed557f433c098827805ecfa1f8ded0675eb48c26003681be5973e5a444abba08b032e325f47c61f62c7d64160c5b3c1b0c6b616fb", 0x2b}, 0x60, &(0x7f00000001c0)=[{&(0x7f00000000c0)="e25f264de98ef6c0aed804219245dc6d9827df28006a9dcef1fb37840db1d97aca1a22a63dc0e9a7e33878074422d0ee0e1b3e1a4c626850360ac7a9755df7a23f4289c5cf0e23d2ab630706c76e613689c51316421d9aaab1f2fdb08ece0a8264ab07ddb1fbf54cb9b69d6dbcb363d1f4131610aeb97b011f3cb337b05ad90068fd45c1bf79feb42b28a97edc3dffa3cd7db2aaf9dc8208ac9ba094ef20bced070bc4537b9401aef1552573ce825883c18f973978e8ab9bada9c357d7e5fa8dce058089d33b8ddb088ec4deea28dee2e9a97f3f98a3881d20a8b6db358de943cbf2024411ed02bb00e7d5", 0xeb}], 0x1, 0x0, 0x0, 0x4048050}, 0x7c144a2052055318) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) [ 3085.982304] batman_adv: batadv0: Adding interface: veth225 [ 3085.991158] batman_adv: batadv0: The MTU of interface veth225 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 3086.039228] FAULT_INJECTION: forcing a failure. [ 3086.039228] name failslab, interval 1, probability 0, space 0, times 0 [ 3086.060282] CPU: 0 PID: 14264 Comm: syz-executor.2 Not tainted 4.19.133-syzkaller #0 [ 3086.068182] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 3086.077559] Call Trace: [ 3086.080179] dump_stack+0x1fc/0x2fe [ 3086.083829] should_fail.cold+0xa/0x14 [ 3086.087733] ? setup_fault_attr+0x200/0x200 [ 3086.092063] ? lock_acquire+0x170/0x3c0 [ 3086.096064] __should_failslab+0x115/0x180 [ 3086.100334] should_failslab+0x5/0xf [ 3086.104055] kmem_cache_alloc_node_trace+0x244/0x3b0 [ 3086.109185] __kmalloc_node_track_caller+0x38/0x70 [ 3086.114146] __alloc_skb+0xae/0x560 [ 3086.117791] netlink_sendmsg+0x9ee/0xc40 [ 3086.121874] ? nlmsg_notify+0x1a0/0x1a0 [ 3086.125875] ? kernel_recvmsg+0x220/0x220 [ 3086.130047] ? nlmsg_notify+0x1a0/0x1a0 [ 3086.134028] sock_sendmsg+0xc3/0x120 [ 3086.137756] ___sys_sendmsg+0x7bb/0x8e0 [ 3086.141774] ? copy_msghdr_from_user+0x440/0x440 [ 3086.146635] ? __fget+0x32f/0x510 [ 3086.150115] ? lock_downgrade+0x720/0x720 [ 3086.154359] ? check_preemption_disabled+0x41/0x280 [ 3086.159385] ? check_preemption_disabled+0x41/0x280 [ 3086.164440] ? __fget+0x356/0x510 [ 3086.167912] ? do_dup2+0x450/0x450 [ 3086.171458] ? lock_downgrade+0x720/0x720 [ 3086.175616] ? vfs_write+0x3d7/0x540 [ 3086.179346] ? __fdget+0x1d0/0x230 [ 3086.182902] __x64_sys_sendmsg+0x132/0x220 [ 3086.187152] ? __sys_sendmsg+0x1b0/0x1b0 [ 3086.191229] ? vfs_write+0x393/0x540 [ 3086.194974] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 3086.199739] ? trace_hardirqs_off_caller+0x69/0x210 [ 3086.204861] ? do_syscall_64+0x21/0x620 [ 3086.208851] do_syscall_64+0xf9/0x620 [ 3086.212680] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 3086.217875] RIP: 0033:0x45c1d9 [ 3086.221090] Code: 8d b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 5b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 3086.239989] RSP: 002b:00007ff036f3ac78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 3086.247695] RAX: ffffffffffffffda RBX: 000000000002af00 RCX: 000000000045c1d9 [ 3086.254969] RDX: 0000000000000000 RSI: 0000000020000140 RDI: 0000000000000003 [ 3086.262240] RBP: 00007ff036f3aca0 R08: 0000000000000000 R09: 0000000000000000 [ 3086.269511] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 3086.276789] R13: 00007fffa744a68f R14: 00007ff036f3b9c0 R15: 000000000078bf0c 13:40:35 executing program 0: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f00000001c0)='/dev/ptmx\x00', 0x20000, 0x0) r1 = open(&(0x7f0000000140)='./file0\x00', 0x40002, 0x8) sendfile(r1, 0xffffffffffffffff, 0x0, 0x2008000fffffffe) r2 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f0000000200)='/dev/nvme-fabrics\x00', 0x400, 0x0) ioctl$TIOCSETD(r2, 0x5423, &(0x7f0000000240)=0x17) r3 = dup(0xffffffffffffffff) ioctl$BLKIOMIN(r3, 0x1278, 0x0) write$P9_RSETATTR(r3, &(0x7f0000000180)={0x7}, 0x7) write$P9_RATTACH(r3, &(0x7f0000000100)={0xfffffffffffffd85, 0x69, 0x4001, {0x40, 0x2, 0x207}}, 0xd) getsockopt$inet_sctp6_SCTP_GET_ASSOC_ID_LIST(r3, 0x84, 0x1d, &(0x7f00000000c0)={0x5, [0x0, 0x0, 0x0, 0x0, 0x0]}, &(0x7f0000000100)=0x18) getsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r1, 0x84, 0x76, &(0x7f0000000140)={r4, 0xb1}, &(0x7f0000000180)=0x8) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xe) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) syz_open_dev$vbi(&(0x7f0000000040)='/dev/vbi#\x00', 0x1, 0x2) [ 3086.346657] batman_adv: batadv0: Not using interface veth225 (retrying later): interface not active 13:40:36 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x2b830a00, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) [ 3086.418732] batman_adv: batadv0: Adding interface: veth127 [ 3086.427104] batman_adv: batadv0: The MTU of interface veth127 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 13:40:36 executing program 0: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xe) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)=0xc) [ 3086.546711] batman_adv: batadv0: Not using interface veth127 (retrying later): interface not active 13:40:36 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0xa000000, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) 13:40:36 executing program 3: ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x3f00, &(0x7f0000000200)={&(0x7f0000000640)=@newlink={0x7, 0x11, 0x40d, 0x0, 0x0, {0x5, 0x0, 0x0, r3}}, 0x20}, 0x1, 0x3f00}, 0x0) [ 3086.602910] batman_adv: batadv0: Adding interface: veth263 [ 3086.615534] batman_adv: batadv0: The MTU of interface veth263 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 13:40:36 executing program 0: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xe) r1 = openat$mice(0xffffffffffffff9c, &(0x7f0000000000)='/dev/input/mice\x00', 0x40080) ioctl$TIOCSETD(r1, 0x5412, &(0x7f0000000040)=0x2000) [ 3086.704721] batman_adv: batadv0: Not using interface veth263 (retrying later): interface not active [ 3086.780713] batman_adv: batadv0: Adding interface: veth227 [ 3086.804594] batman_adv: batadv0: The MTU of interface veth227 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 13:40:36 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x2c830a00, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) [ 3086.886585] batman_adv: batadv0: Not using interface veth227 (retrying later): interface not active 13:40:36 executing program 3: ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x3f00, &(0x7f0000000200)={&(0x7f0000000640)=@newlink={0x8, 0x11, 0x40d, 0x0, 0x0, {0x5, 0x0, 0x0, r3}}, 0x20}, 0x1, 0x3f00}, 0x0) 13:40:36 executing program 2: openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(0xffffffffffffffff, 0x4020ae46, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000000000/0x18000)=nil, &(0x7f00000000c0)=[@text64={0x40, 0x0}], 0x1, 0x0, 0x0, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r4}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x3f00, &(0x7f0000000200)={&(0x7f0000000640)=@newlink={0x20, 0x11, 0x40d, 0xa, 0x0, {0x5, 0x0, 0x0, r4}}, 0x20}, 0x1, 0x3f00}, 0x0) 13:40:36 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0xc000000, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) 13:40:36 executing program 0: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xe) r1 = dup(0xffffffffffffffff) ioctl$BLKIOMIN(r1, 0x1278, 0x0) write$P9_RSETATTR(r1, &(0x7f0000000180)={0x7}, 0x7) write$P9_RATTACH(r1, &(0x7f0000000100)={0xfffffffffffffd85, 0x69, 0x4001, {0x40, 0x2, 0x207}}, 0xd) dup(r1) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) [ 3086.989604] batman_adv: batadv0: Adding interface: veth265 [ 3086.997556] batman_adv: batadv0: The MTU of interface veth265 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 3087.075852] batman_adv: batadv0: Not using interface veth265 (retrying later): interface not active 13:40:36 executing program 0: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xe) r1 = open(&(0x7f0000000140)='./file0\x00', 0x40002, 0x8) sendfile(r1, 0xffffffffffffffff, 0x0, 0x2008000fffffffe) r2 = dup(0xffffffffffffffff) ioctl$BLKIOMIN(r2, 0x1278, 0x0) write$P9_RSETATTR(r2, &(0x7f0000000180)={0x7}, 0x7) write$P9_RATTACH(r2, &(0x7f0000000100)={0xfffffffffffffd85, 0x69, 0x4001, {0x40, 0x2, 0x207}}, 0xd) ioctl$F2FS_IOC_MOVE_RANGE(r1, 0xc020f509, &(0x7f0000000040)={r2, 0x3, 0x400, 0xffffffff00000000}) r3 = openat$cgroup_ro(0xffffffffffffffff, &(0x7f00000001c0)='freezer.state\x00', 0x0, 0x0) ioctl$TIOCSETD(r3, 0x5412, &(0x7f0000000000)=0x108) r4 = dup(0xffffffffffffffff) ioctl$BLKIOMIN(r4, 0x1278, 0x0) write$P9_RSETATTR(r4, &(0x7f0000000180)={0x7}, 0x7) prctl$PR_SET_NO_NEW_PRIVS(0x26, 0x1) write$P9_RSTATFS(r4, &(0x7f00000000c0)={0x43, 0x9, 0x2, {0x8a1, 0x0, 0x4, 0x3ff, 0x6, 0x4, 0x1, 0x9, 0x8}}, 0x43) [ 3087.192722] batman_adv: batadv0: Adding interface: veth129 [ 3087.203199] batman_adv: batadv0: The MTU of interface veth129 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 3087.265619] batman_adv: batadv0: Not using interface veth129 (retrying later): interface not active [ 3087.290150] batman_adv: batadv0: Adding interface: veth229 [ 3087.295801] batman_adv: batadv0: The MTU of interface veth229 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 13:40:36 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x3f000000, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) 13:40:36 executing program 0 (fault-call:6 fault-nth:0): r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) 13:40:36 executing program 3: ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x3f00, &(0x7f0000000200)={&(0x7f0000000640)=@newlink={0x9, 0x11, 0x40d, 0x0, 0x0, {0x5, 0x0, 0x0, r3}}, 0x20}, 0x1, 0x3f00}, 0x0) [ 3087.337420] batman_adv: batadv0: Not using interface veth229 (retrying later): interface not active [ 3087.369658] batman_adv: batadv0: Removing interface: veth129 [ 3087.418618] nla_parse: 49 callbacks suppressed [ 3087.418628] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 3087.451376] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. [ 3087.470294] FAULT_INJECTION: forcing a failure. [ 3087.470294] name failslab, interval 1, probability 0, space 0, times 0 [ 3087.484001] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. [ 3087.510224] CPU: 0 PID: 14366 Comm: syz-executor.0 Not tainted 4.19.133-syzkaller #0 [ 3087.518134] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 3087.527493] Call Trace: [ 3087.530101] dump_stack+0x1fc/0x2fe [ 3087.533753] should_fail.cold+0xa/0x14 [ 3087.537663] ? setup_fault_attr+0x200/0x200 [ 3087.542000] ? lock_acquire+0x170/0x3c0 [ 3087.546007] __should_failslab+0x115/0x180 [ 3087.550264] should_failslab+0x5/0xf [ 3087.553458] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. [ 3087.553988] kmem_cache_alloc_node+0x245/0x3b0 [ 3087.554019] __alloc_skb+0x71/0x560 [ 3087.554044] netlink_sendmsg+0x9ee/0xc40 [ 3087.574870] ? nlmsg_notify+0x1a0/0x1a0 [ 3087.578858] ? kernel_recvmsg+0x220/0x220 [ 3087.583034] ? nlmsg_notify+0x1a0/0x1a0 [ 3087.587026] sock_sendmsg+0xc3/0x120 [ 3087.590758] ___sys_sendmsg+0x7bb/0x8e0 [ 3087.594747] ? check_preemption_disabled+0x41/0x280 [ 3087.599776] ? copy_msghdr_from_user+0x440/0x440 [ 3087.604548] ? __fget+0x32f/0x510 [ 3087.608023] ? lock_downgrade+0x720/0x720 [ 3087.612185] ? check_preemption_disabled+0x41/0x280 [ 3087.617215] ? check_preemption_disabled+0x41/0x280 [ 3087.622260] ? __fget+0x356/0x510 [ 3087.625731] ? do_dup2+0x450/0x450 [ 3087.629279] ? lock_downgrade+0x720/0x720 [ 3087.633554] ? vfs_write+0x3d7/0x540 [ 3087.637295] ? __fdget+0x1d0/0x230 [ 3087.640859] __x64_sys_sendmsg+0x132/0x220 [ 3087.645107] ? __sys_sendmsg+0x1b0/0x1b0 [ 3087.649192] ? vfs_write+0x393/0x540 [ 3087.653051] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 3087.657811] ? trace_hardirqs_off_caller+0x69/0x210 [ 3087.662839] ? do_syscall_64+0x21/0x620 [ 3087.666837] do_syscall_64+0xf9/0x620 [ 3087.670655] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 3087.675853] RIP: 0033:0x45c1d9 [ 3087.679057] Code: 8d b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 5b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 3087.697977] RSP: 002b:00007ff684180c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 3087.705692] RAX: ffffffffffffffda RBX: 000000000002af00 RCX: 000000000045c1d9 [ 3087.712972] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003 13:40:37 executing program 2: openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(0xffffffffffffffff, 0x4020ae46, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000000000/0x18000)=nil, &(0x7f00000000c0)=[@text64={0x40, 0x0}], 0x1, 0x0, 0x0, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r4}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x4, &(0x7f0000000200)={&(0x7f0000000640)=@newlink={0x20, 0x11, 0x40d, 0xa, 0x0, {0x5, 0x0, 0x0, r4}}, 0x20}, 0x1, 0x3f00}, 0x0) 13:40:37 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0xe000000, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) [ 3087.720246] RBP: 00007ff684180ca0 R08: 0000000000000000 R09: 0000000000000000 [ 3087.727522] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 3087.734799] R13: 00007ffe1f22279f R14: 00007ff6841819c0 R15: 000000000078bfac [ 3087.754687] batman_adv: batadv0: Adding interface: veth267 [ 3087.773610] batman_adv: batadv0: The MTU of interface veth267 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 3087.832823] batman_adv: batadv0: Not using interface veth267 (retrying later): interface not active [ 3087.854137] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. [ 3087.867785] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 13:40:37 executing program 3: ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x3f00, &(0x7f0000000200)={&(0x7f0000000640)=@newlink={0xa, 0x11, 0x40d, 0x0, 0x0, {0x5, 0x0, 0x0, r3}}, 0x20}, 0x1, 0x3f00}, 0x0) [ 3087.933604] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. [ 3087.977528] batman_adv: batadv0: Adding interface: veth231 [ 3087.991123] batman_adv: batadv0: The MTU of interface veth231 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 3088.054204] batman_adv: batadv0: Not using interface veth231 (retrying later): interface not active [ 3088.080444] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. 13:40:37 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x40000000, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) [ 3088.127867] batman_adv: batadv0: Adding interface: veth129 [ 3088.137179] batman_adv: batadv0: The MTU of interface veth129 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 13:40:37 executing program 0 (fault-call:6 fault-nth:1): r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) [ 3088.201423] batman_adv: batadv0: Not using interface veth129 (retrying later): interface not active [ 3088.255569] batman_adv: batadv0: Removing interface: veth129 [ 3088.286188] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. [ 3088.319937] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 3088.336312] FAULT_INJECTION: forcing a failure. [ 3088.336312] name failslab, interval 1, probability 0, space 0, times 0 [ 3088.357894] batman_adv: batadv0: Adding interface: veth271 13:40:37 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x10000000, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) [ 3088.366407] batman_adv: batadv0: The MTU of interface veth271 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 3088.409870] batman_adv: batadv0: Not using interface veth271 (retrying later): interface not active [ 3088.448240] CPU: 1 PID: 14417 Comm: syz-executor.0 Not tainted 4.19.133-syzkaller #0 [ 3088.456164] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 3088.465518] Call Trace: [ 3088.468117] dump_stack+0x1fc/0x2fe [ 3088.471762] should_fail.cold+0xa/0x14 [ 3088.475661] ? setup_fault_attr+0x200/0x200 [ 3088.479987] ? lock_acquire+0x170/0x3c0 [ 3088.483971] __should_failslab+0x115/0x180 [ 3088.488217] should_failslab+0x5/0xf [ 3088.491935] kmem_cache_alloc_node_trace+0x244/0x3b0 [ 3088.497043] __kmalloc_node_track_caller+0x38/0x70 [ 3088.501982] __alloc_skb+0xae/0x560 [ 3088.505617] netlink_sendmsg+0x9ee/0xc40 [ 3088.509778] ? nlmsg_notify+0x1a0/0x1a0 [ 3088.513751] ? kernel_recvmsg+0x220/0x220 [ 3088.517905] ? nlmsg_notify+0x1a0/0x1a0 [ 3088.521883] sock_sendmsg+0xc3/0x120 [ 3088.525602] ___sys_sendmsg+0x7bb/0x8e0 [ 3088.529581] ? check_preemption_disabled+0x41/0x280 [ 3088.534597] ? copy_msghdr_from_user+0x440/0x440 [ 3088.539357] ? __fget+0x32f/0x510 [ 3088.542824] ? lock_downgrade+0x720/0x720 [ 3088.546972] ? check_preemption_disabled+0x41/0x280 [ 3088.551997] ? check_preemption_disabled+0x41/0x280 [ 3088.557013] ? __fget+0x356/0x510 [ 3088.560474] ? do_dup2+0x450/0x450 [ 3088.564067] ? lock_downgrade+0x720/0x720 [ 3088.568219] ? vfs_write+0x3d7/0x540 [ 3088.571942] ? __fdget+0x1d0/0x230 [ 3088.575486] __x64_sys_sendmsg+0x132/0x220 [ 3088.579720] ? __sys_sendmsg+0x1b0/0x1b0 [ 3088.583781] ? vfs_write+0x393/0x540 [ 3088.587510] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 3088.592270] ? trace_hardirqs_off_caller+0x69/0x210 [ 3088.597285] ? do_syscall_64+0x21/0x620 [ 3088.601265] do_syscall_64+0xf9/0x620 [ 3088.605070] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 3088.610257] RIP: 0033:0x45c1d9 [ 3088.613453] Code: 8d b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 5b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 3088.632352] RSP: 002b:00007ff684180c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 3088.640061] RAX: ffffffffffffffda RBX: 000000000002af00 RCX: 000000000045c1d9 13:40:38 executing program 3: ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x3f00, &(0x7f0000000200)={&(0x7f0000000640)=@newlink={0xb, 0x11, 0x40d, 0x0, 0x0, {0x5, 0x0, 0x0, r3}}, 0x20}, 0x1, 0x3f00}, 0x0) [ 3088.647330] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003 [ 3088.654679] RBP: 00007ff684180ca0 R08: 0000000000000000 R09: 0000000000000000 [ 3088.661945] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 3088.669219] R13: 00007ffe1f22279f R14: 00007ff6841819c0 R15: 000000000078bfac [ 3088.682620] batman_adv: batadv0: Adding interface: veth233 13:40:38 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x48000000, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) [ 3088.688286] batman_adv: batadv0: The MTU of interface veth233 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 3088.699382] batman_adv: batadv0: Not using interface veth233 (retrying later): interface not active 13:40:38 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x20000000, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) [ 3088.851926] batman_adv: batadv0: Adding interface: veth273 [ 3088.869286] batman_adv: batadv0: The MTU of interface veth273 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 3088.924535] batman_adv: batadv0: Not using interface veth273 (retrying later): interface not active 13:40:38 executing program 2: openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(0xffffffffffffffff, 0x4020ae46, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000000000/0x18000)=nil, &(0x7f00000000c0)=[@text64={0x40, 0x0}], 0x1, 0x0, 0x0, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r4}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x300, &(0x7f0000000200)={&(0x7f0000000640)=@newlink={0x20, 0x11, 0x40d, 0xa, 0x0, {0x5, 0x0, 0x0, r4}}, 0x20}, 0x1, 0x3f00}, 0x0) 13:40:38 executing program 3: ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x3f00, &(0x7f0000000200)={&(0x7f0000000640)=@newlink={0xc, 0x11, 0x40d, 0x0, 0x0, {0x5, 0x0, 0x0, r3}}, 0x20}, 0x1, 0x3f00}, 0x0) [ 3088.982489] batman_adv: batadv0: Adding interface: veth235 [ 3088.988149] batman_adv: batadv0: The MTU of interface veth235 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 13:40:38 executing program 0 (fault-call:6 fault-nth:2): r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) [ 3089.082559] batman_adv: batadv0: Not using interface veth235 (retrying later): interface not active 13:40:38 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x4c000000, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) [ 3089.198892] batman_adv: batadv0: Adding interface: veth129 [ 3089.204567] batman_adv: batadv0: The MTU of interface veth129 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 3089.235756] FAULT_INJECTION: forcing a failure. [ 3089.235756] name failslab, interval 1, probability 0, space 0, times 0 13:40:38 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x3f000000, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) [ 3089.266684] CPU: 1 PID: 14482 Comm: syz-executor.0 Not tainted 4.19.133-syzkaller #0 [ 3089.274582] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 3089.284020] Call Trace: [ 3089.286627] dump_stack+0x1fc/0x2fe [ 3089.290266] should_fail.cold+0xa/0x14 [ 3089.294161] ? setup_fault_attr+0x200/0x200 [ 3089.298487] ? perf_trace_lock_acquire+0x530/0x530 [ 3089.303419] ? lock_downgrade+0x720/0x720 [ 3089.307571] ? check_preemption_disabled+0x41/0x280 [ 3089.312600] __should_failslab+0x115/0x180 [ 3089.316864] should_failslab+0x5/0xf [ 3089.320581] kmem_cache_alloc+0x3f/0x370 [ 3089.324671] skb_clone+0x151/0x3d0 [ 3089.328233] netlink_deliver_tap+0x955/0xb00 [ 3089.332655] netlink_unicast+0x545/0x690 [ 3089.336727] ? netlink_sendskb+0x110/0x110 [ 3089.340974] netlink_sendmsg+0x6bb/0xc40 [ 3089.345065] ? nlmsg_notify+0x1a0/0x1a0 [ 3089.349042] ? kernel_recvmsg+0x220/0x220 [ 3089.353201] ? nlmsg_notify+0x1a0/0x1a0 [ 3089.357186] sock_sendmsg+0xc3/0x120 [ 3089.360911] ___sys_sendmsg+0x7bb/0x8e0 [ 3089.364895] ? check_preemption_disabled+0x41/0x280 [ 3089.369916] ? copy_msghdr_from_user+0x440/0x440 [ 3089.374683] ? __fget+0x32f/0x510 [ 3089.378147] ? lock_downgrade+0x720/0x720 [ 3089.382296] ? check_preemption_disabled+0x41/0x280 [ 3089.387316] ? check_preemption_disabled+0x41/0x280 [ 3089.392340] ? __fget+0x356/0x510 [ 3089.395802] ? do_dup2+0x450/0x450 [ 3089.399345] ? lock_downgrade+0x720/0x720 [ 3089.403497] ? vfs_write+0x3d7/0x540 [ 3089.407218] ? __fdget+0x1d0/0x230 [ 3089.410765] __x64_sys_sendmsg+0x132/0x220 [ 3089.415002] ? __sys_sendmsg+0x1b0/0x1b0 [ 3089.419066] ? vfs_write+0x393/0x540 [ 3089.422798] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 3089.427565] ? trace_hardirqs_off_caller+0x69/0x210 [ 3089.432587] ? do_syscall_64+0x21/0x620 [ 3089.433452] batman_adv: batadv0: Not using interface veth129 (retrying later): interface not active [ 3089.436563] do_syscall_64+0xf9/0x620 [ 3089.436586] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 3089.436598] RIP: 0033:0x45c1d9 [ 3089.436613] Code: 8d b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 5b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 3089.436621] RSP: 002b:00007ff684180c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 3089.436638] RAX: ffffffffffffffda RBX: 000000000002af00 RCX: 000000000045c1d9 [ 3089.491909] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003 [ 3089.499173] RBP: 00007ff684180ca0 R08: 0000000000000000 R09: 0000000000000000 [ 3089.506442] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 3089.513718] R13: 00007ffe1f22279f R14: 00007ff6841819c0 R15: 000000000078bfac [ 3089.865909] batman_adv: batadv0: Removing interface: veth129 13:40:39 executing program 3: ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x3f00, &(0x7f0000000200)={&(0x7f0000000640)=@newlink={0xd, 0x11, 0x40d, 0x0, 0x0, {0x5, 0x0, 0x0, r3}}, 0x20}, 0x1, 0x3f00}, 0x0) [ 3089.975024] batman_adv: batadv0: Adding interface: veth237 [ 3089.995925] batman_adv: batadv0: The MTU of interface veth237 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 3090.101422] batman_adv: batadv0: Not using interface veth237 (retrying later): interface not active [ 3090.133161] batman_adv: batadv0: Adding interface: veth275 [ 3090.144872] batman_adv: batadv0: The MTU of interface veth275 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 3090.211508] batman_adv: batadv0: Not using interface veth275 (retrying later): interface not active [ 3090.235741] batman_adv: batadv0: Adding interface: veth109 [ 3090.244388] batman_adv: batadv0: The MTU of interface veth109 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 3090.271115] batman_adv: batadv0: Not using interface veth109 (retrying later): interface not active 13:40:39 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) [ 3090.308091] batman_adv: batadv0: Adding interface: veth129 [ 3090.316860] batman_adv: batadv0: The MTU of interface veth129 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 3090.394556] batman_adv: batadv0: Not using interface veth129 (retrying later): interface not active [ 3090.422810] batman_adv: batadv0: Removing interface: veth129 13:40:40 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x40000000, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) [ 3090.497202] batman_adv: batadv0: Adding interface: veth111 13:40:40 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x60000000, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) [ 3090.530293] batman_adv: batadv0: The MTU of interface veth111 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 3090.601435] batman_adv: batadv0: Not using interface veth111 (retrying later): interface not active 13:40:40 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) 13:40:40 executing program 3: ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x3f00, &(0x7f0000000200)={&(0x7f0000000640)=@newlink={0xe, 0x11, 0x40d, 0x0, 0x0, {0x5, 0x0, 0x0, r3}}, 0x20}, 0x1, 0x3f00}, 0x0) 13:40:40 executing program 2: openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(0xffffffffffffffff, 0x4020ae46, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000000000/0x18000)=nil, &(0x7f00000000c0)=[@text64={0x40, 0x0}], 0x1, 0x0, 0x0, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r4}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x3f02, &(0x7f0000000200)={&(0x7f0000000640)=@newlink={0x20, 0x11, 0x40d, 0xa, 0x0, {0x5, 0x0, 0x0, r4}}, 0x20}, 0x1, 0x3f00}, 0x0) [ 3090.726957] batman_adv: batadv0: Adding interface: veth239 [ 3090.741086] batman_adv: batadv0: The MTU of interface veth239 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 3090.810307] batman_adv: batadv0: Not using interface veth239 (retrying later): interface not active [ 3090.840895] batman_adv: batadv0: Adding interface: veth277 [ 3090.846793] batman_adv: batadv0: The MTU of interface veth277 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 3090.873939] batman_adv: batadv0: Not using interface veth277 (retrying later): interface not active [ 3090.944272] batman_adv: batadv0: Adding interface: veth113 [ 3090.969055] batman_adv: batadv0: The MTU of interface veth113 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 3091.019216] batman_adv: batadv0: Not using interface veth113 (retrying later): interface not active [ 3091.037863] batman_adv: batadv0: Adding interface: veth129 [ 3091.058546] batman_adv: batadv0: The MTU of interface veth129 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 3091.084890] batman_adv: batadv0: Not using interface veth129 (retrying later): interface not active [ 3091.110778] batman_adv: batadv0: Removing interface: veth129 13:40:40 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x48000000, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) 13:40:40 executing program 3: ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x3f00, &(0x7f0000000200)={&(0x7f0000000640)=@newlink={0xf, 0x11, 0x40d, 0x0, 0x0, {0x5, 0x0, 0x0, r3}}, 0x20}, 0x1, 0x3f00}, 0x0) 13:40:40 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x65580000, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) 13:40:40 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x2, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) 13:40:40 executing program 2: openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(0xffffffffffffffff, 0x4020ae46, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000000000/0x18000)=nil, &(0x7f00000000c0)=[@text64={0x40, 0x0}], 0x1, 0x0, 0x0, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r4}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x3f03, &(0x7f0000000200)={&(0x7f0000000640)=@newlink={0x20, 0x11, 0x40d, 0xa, 0x0, {0x5, 0x0, 0x0, r4}}, 0x20}, 0x1, 0x3f00}, 0x0) [ 3091.361849] batman_adv: batadv0: Adding interface: veth279 [ 3091.367606] batman_adv: batadv0: The MTU of interface veth279 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 3091.429377] batman_adv: batadv0: Not using interface veth279 (retrying later): interface not active [ 3091.472343] batman_adv: batadv0: Adding interface: veth117 [ 3091.477991] batman_adv: batadv0: The MTU of interface veth117 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 3091.563982] batman_adv: batadv0: Not using interface veth117 (retrying later): interface not active [ 3091.600126] batman_adv: batadv0: Adding interface: veth241 13:40:41 executing program 3: ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x3f00, &(0x7f0000000200)={&(0x7f0000000640)=@newlink={0x10, 0x11, 0x40d, 0x0, 0x0, {0x5, 0x0, 0x0, r3}}, 0x20}, 0x1, 0x3f00}, 0x0) [ 3091.605780] batman_adv: batadv0: The MTU of interface veth241 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 13:40:41 executing program 4: r0 = open(&(0x7f0000000140)='./file0\x00', 0x40002, 0x8) sendfile(r0, 0xffffffffffffffff, 0x0, 0x2008000fffffffe) r1 = open(&(0x7f0000000140)='./file0\x00', 0x40002, 0x8) sendfile(r1, 0xffffffffffffffff, 0x0, 0x2008000fffffffe) r2 = socket$inet(0x2, 0x4000000000000001, 0x0) sendto$inet(r2, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) r3 = socket(0xa, 0x1, 0x0) close(r3) r4 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r4, 0x84, 0x6e, &(0x7f0000000400)=[@in6={0xa, 0x0, 0x0, @remote, 0x9}, @in6={0xa, 0x4e21, 0x6, @ipv4={[], [], @loopback}, 0x5}, @in6={0xa, 0x4e22, 0x1, @dev={0xfe, 0x80, [], 0x18}, 0x1f}, @in6={0xa, 0x4e20, 0x5, @empty, 0x1}], 0x70) getsockopt$inet_sctp6_SCTP_GET_ASSOC_ID_LIST(r4, 0x84, 0x1d, &(0x7f000095dff8)=ANY=[@ANYBLOB="03000600", @ANYRES32=0x0], &(0x7f000095dffc)=0x8) sendmmsg$inet_sctp(r3, &(0x7f0000002cc0)=[{0x0, 0x29e, 0x0, 0x0, &(0x7f0000000380)=ANY=[@ANYBLOB="51bff5ad7bc3232b017b913602100000000004000000000000000000a2613731759394e00c8b4522ab1d3b32d0d6f85e1cfa5918c7bd86e988d383ed194c1f16d324fceb9e", @ANYRES32=r5], 0x20}], 0x1, 0x0) setsockopt$inet_sctp_SCTP_AUTH_ACTIVE_KEY(r2, 0x84, 0x18, &(0x7f0000000000)={r5, 0x9}, 0x8) getsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f00000000c0)={r5, @in={{0x2, 0x4e20, @multicast1}}, 0x2, 0x3, 0x7, 0x200, 0x34, 0x7f, 0x8}, &(0x7f0000000040)=0x9c) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r0, 0xc00c642e, &(0x7f0000000340)={0x0, 0x80000, r1}) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(r0, 0x84, 0x70, &(0x7f0000000180)={r6, @in={{0x2, 0x4e21, @multicast1}}, [0x7, 0x1, 0xff, 0x6, 0xc69, 0x70, 0x200, 0x8, 0x101, 0xfff, 0x2, 0x400, 0x0, 0x401, 0x7fff]}, &(0x7f0000000280)=0x100) setsockopt$XDP_UMEM_COMPLETION_RING(r3, 0x11b, 0x6, &(0x7f0000000300), 0x4) r7 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r7, 0x5423, &(0x7f0000000080)=0xf) semget(0x2, 0x1, 0x55) [ 3091.691436] batman_adv: batadv0: Not using interface veth241 (retrying later): interface not active [ 3091.725689] batman_adv: batadv0: Adding interface: veth131 [ 3091.739428] batman_adv: batadv0: The MTU of interface veth131 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 3091.771426] batman_adv: batadv0: Not using interface veth131 (retrying later): interface not active [ 3091.785750] batman_adv: batadv0: Removing interface: veth131 13:40:41 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x68000000, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) 13:40:41 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x3, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) 13:40:41 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x4c000000, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) 13:40:41 executing program 3: ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x3f00, &(0x7f0000000200)={&(0x7f0000000640)=@newlink={0x11, 0x11, 0x40d, 0x0, 0x0, {0x5, 0x0, 0x0, r3}}, 0x20}, 0x1, 0x3f00}, 0x0) 13:40:41 executing program 4: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) r1 = open(&(0x7f0000000140)='./file0\x00', 0x40002, 0x8) write$P9_RSETATTR(0xffffffffffffffff, &(0x7f0000000180)={0x7}, 0x7) write$P9_RATTACH(0xffffffffffffffff, &(0x7f0000000000)={0x14, 0x69, 0x4001, {0x2, 0x2, 0x6}}, 0x14) r2 = socket$vsock_stream(0x28, 0x1, 0x0) getsockopt$sock_cred(r2, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0}, &(0x7f0000cab000)=0xc) setresuid(0x0, r3, 0x0) r4 = socket$inet_icmp_raw(0x2, 0x3, 0x1) getsockopt$sock_cred(r4, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0, 0x0}, 0x0) setresgid(0x0, 0x0, r5) chown(&(0x7f0000000040)='./file0\x00', 0x0, r5) write$P9_RGETATTR(0xffffffffffffffff, &(0x7f0000000280)={0xa0, 0x19, 0x1, {0xf4f095ef4f2a06b1, {0x2, 0x0, 0x2}, 0x1a0, r3, r5, 0xa25c, 0xfe, 0x100000001, 0x90000, 0x7, 0x4f, 0xda8c, 0x0, 0x7fffffff, 0x8, 0xff, 0x1000000226, 0x7, 0xffffffff}}, 0xa0) sendfile(r1, 0xffffffffffffffff, 0x0, 0x2008000fffffffe) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT(r1, 0x28, 0x6, &(0x7f0000000040)={0x0, 0xea60}, 0x10) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xf) r6 = dup(0xffffffffffffffff) ioctl$BLKIOMIN(r6, 0x1278, 0x0) write$P9_RSETATTR(r6, &(0x7f0000000180)={0x7}, 0x7) write$P9_RATTACH(r6, &(0x7f0000000100)={0xfffffffffffffd85, 0x69, 0x4001, {0x40, 0x2, 0x207}}, 0xd) ioctl$TIOCSETD(r6, 0x5412, &(0x7f00000000c0)=0xfffffffa) 13:40:41 executing program 2: openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(0xffffffffffffffff, 0x4020ae46, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000000000/0x18000)=nil, &(0x7f00000000c0)=[@text64={0x40, 0x0}], 0x1, 0x0, 0x0, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r4}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x3f04, &(0x7f0000000200)={&(0x7f0000000640)=@newlink={0x20, 0x11, 0x40d, 0xa, 0x0, {0x5, 0x0, 0x0, r4}}, 0x20}, 0x1, 0x3f00}, 0x0) [ 3092.007235] batman_adv: batadv0: Adding interface: veth281 [ 3092.013600] batman_adv: batadv0: The MTU of interface veth281 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 3092.071259] batman_adv: batadv0: Not using interface veth281 (retrying later): interface not active [ 3092.110981] batman_adv: batadv0: Adding interface: veth119 13:40:41 executing program 4: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) r1 = openat$dlm_monitor(0xffffffffffffff9c, &(0x7f0000001540)='/dev/dlm-monitor\x00', 0x40, 0x0) sendto$x25(r1, &(0x7f0000001580)="0661f517e0a2dda5ebb9f32df6cfca01f363557b1a0ede3251676aa3fc858bd6f053be38fb2fff67258ee7e65dab6f159ea40d5747c871c5e0408d57bc63103c3c8025cc5234286d3d614301f533a7e7548cced5367d0fa874aff5d4a28ebe59efc66c9d619ab69284b7f921248071e0e07ea61fd3d707a5a816efbbed4ca80de1376a06abb9814c173c3dbfca859b930d0ad48656416052f43a5f32b72ed6ef5e86f97c6cf26c067cbadcd5349521f7699ca4155e87b3ceb15ee5833aabbaa1796e62bd7a3fe541ebd5d3c6d980de37cb", 0xd1, 0x10001, &(0x7f0000001680)={0x9, @null=' \x00'}, 0x12) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xf) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) r2 = dup(0xffffffffffffffff) ioctl$BLKIOMIN(r2, 0x1278, 0x0) write$P9_RSETATTR(r2, &(0x7f0000000180)={0x7}, 0x7) write$P9_RATTACH(r2, &(0x7f0000000100)={0xfffffffffffffd85, 0x69, 0x4001, {0x40, 0x2, 0x207}}, 0xd) r3 = socket$inet(0x2, 0x4000000000000001, 0x0) sendto$inet(r3, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) r4 = socket(0xa, 0x1, 0x0) close(r4) r5 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r5, 0x84, 0x6e, &(0x7f0000000180)=[@in6={0xa, 0x0, 0x0, @remote, 0x9}], 0x1c) getsockopt$inet_sctp6_SCTP_GET_ASSOC_ID_LIST(r5, 0x84, 0x1d, &(0x7f00000001c0)=ANY=[@ANYBLOB="01c10000009eff0000", @ANYRES32=0x0], &(0x7f000095dffc)=0x8) sendmmsg$inet_sctp(r4, &(0x7f0000002cc0)=[{0x0, 0x29e, 0x0, 0x0, &(0x7f00000016c0)=[@sndinfo={0x20, 0x84, 0x2, {0x0, 0x4, 0x0, 0x0, r6}}], 0x20}], 0x1, 0x0) setsockopt$inet_sctp_SCTP_AUTH_ACTIVE_KEY(r3, 0x84, 0x18, &(0x7f0000000200)={0x0, 0xc}, 0x8) getsockopt$inet_sctp6_SCTP_PR_ASSOC_STATUS(r1, 0x84, 0x73, &(0x7f0000000040)={r6, 0xab0, 0x30, 0x2, 0x7}, &(0x7f00000000c0)=0x18) getsockopt$inet_sctp6_SCTP_PR_SUPPORTED(r2, 0x84, 0x71, &(0x7f0000000100)={r7, 0x6}, &(0x7f0000000140)=0x8) [ 3092.116918] batman_adv: batadv0: The MTU of interface veth119 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 3092.158404] batman_adv: batadv0: Not using interface veth119 (retrying later): interface not active 13:40:41 executing program 4: ioctl$TIOCSETD(0xffffffffffffffff, 0x5423, &(0x7f0000000080)=0xf) ioctl$TIOCSETD(0xffffffffffffffff, 0x5412, &(0x7f0000000000)) r0 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000040)='/dev/ocfs2_control\x00', 0x80, 0x0) ioctl$PIO_CMAP(r0, 0x4b71, &(0x7f00000000c0)={0x7, 0xbcf, 0x44d, 0x6, 0xe2ff}) r1 = openat$vcsa(0xffffffffffffff9c, &(0x7f0000000100)='/dev/vcsa\x00', 0x400000, 0x0) ioctl$VT_WAITACTIVE(r1, 0x5607) [ 3092.241612] batman_adv: batadv0: Adding interface: veth245 [ 3092.247349] batman_adv: batadv0: The MTU of interface veth245 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 13:40:41 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x6c000000, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) 13:40:41 executing program 4: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xf) r1 = dup(0xffffffffffffffff) ioctl$BLKIOMIN(r1, 0x1278, 0x0) write$P9_RSETATTR(r1, &(0x7f0000000180)={0x7}, 0x7) write$P9_RATTACH(r1, &(0x7f0000000100)={0xfffffffffffffd85, 0x69, 0x4001, {0x40, 0x2, 0x207}}, 0xd) ioctl$SIOCAX25NOUID(r1, 0x89e3, &(0x7f0000000040)=0x1) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) [ 3092.313434] batman_adv: batadv0: Not using interface veth245 (retrying later): interface not active [ 3092.353542] batman_adv: batadv0: Adding interface: veth133 [ 3092.360223] batman_adv: batadv0: The MTU of interface veth133 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 3092.394492] batman_adv: batadv0: Not using interface veth133 (retrying later): interface not active 13:40:42 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x4, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) 13:40:42 executing program 4: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xf) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) r1 = dup(0xffffffffffffffff) ioctl$BLKIOMIN(r1, 0x1278, 0x0) write$P9_RSETATTR(r1, &(0x7f0000000180)={0x7}, 0x7) sendto$inet(0xffffffffffffffff, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e24, @local}, 0x10) r2 = socket(0xa, 0x1, 0x0) close(r2) r3 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r3, 0x84, 0x6e, &(0x7f0000000180)=[@in6={0xa, 0x0, 0x0, @remote, 0x9}], 0x1c) getsockopt$inet_sctp6_SCTP_GET_ASSOC_ID_LIST(r3, 0x84, 0x1d, &(0x7f0000000240)=ANY=[@ANYBLOB="e300c3f8b86146692f2c30ff4c1b29cd730c007a2f2d8839b5860011e6bf92488b0aa534133414c75a7a319f1890b65930324afa5b10a3fe64f758901a7429170903374117356f89deb79ed13279790e098f1747a915f98762dd9dd56241292cc75e0cc885fed7b20feba3f6473db2529f0395909d0df36107b4963b3ba8e767", @ANYRES32=0x0], &(0x7f000095dffc)=0x8) sendmmsg$inet_sctp(r2, &(0x7f0000002cc0)=[{0x0, 0x29e, 0x0, 0x0, &(0x7f00000016c0)=[@sndinfo={0x20, 0x84, 0x2, {0x0, 0x4, 0x0, 0x0, r4}}], 0x20}], 0x1, 0x0) setsockopt$inet_sctp_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffffff, 0x84, 0x18, &(0x7f0000000000)={r4, 0x9}, 0x8) setsockopt$inet_sctp_SCTP_STREAM_SCHEDULER_VALUE(0xffffffffffffffff, 0x84, 0x7c, &(0x7f0000000200)={r4, 0x8, 0x8}, 0x8) write$P9_RATTACH(r1, &(0x7f0000000100)={0xfffffffffffffd85, 0x69, 0x4001, {0x40, 0x2, 0x207}}, 0xd) setsockopt$CAN_RAW_FD_FRAMES(r1, 0x65, 0x5, &(0x7f0000000040), 0x4) r5 = openat$uhid(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/uhid\x00', 0x2, 0x0) r6 = syz_open_dev$tty20(0xc, 0x4, 0x1) splice(r5, &(0x7f0000000140)=0xfffffffffffffffd, r6, &(0x7f00000001c0)=0x6, 0x7fffffff, 0x4) [ 3092.420022] batman_adv: batadv0: Removing interface: veth133 [ 3092.450112] nla_parse: 54 callbacks suppressed [ 3092.450122] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. 13:40:42 executing program 3: ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x3f00, &(0x7f0000000200)={&(0x7f0000000640)=@newlink={0x12, 0x11, 0x40d, 0x0, 0x0, {0x5, 0x0, 0x0, r3}}, 0x20}, 0x1, 0x3f00}, 0x0) [ 3092.484149] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. [ 3092.522432] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 3092.537200] batman_adv: batadv0: Adding interface: veth285 [ 3092.555207] batman_adv: batadv0: The MTU of interface veth285 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 13:40:42 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x60000000, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) [ 3092.599231] batman_adv: batadv0: Not using interface veth285 (retrying later): interface not active [ 3092.622556] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. 13:40:42 executing program 4: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) r1 = open(&(0x7f0000000140)='./file0\x00', 0x40002, 0x8) sendfile(r1, 0xffffffffffffffff, 0x0, 0x2008000fffffffe) ioctl$PPPIOCGFLAGS1(r1, 0x8004745a, &(0x7f0000000040)) write$P9_RCLUNK(r1, &(0x7f00000000c0)={0x7, 0x79, 0x2}, 0x7) r2 = open(&(0x7f0000000140)='./file0\x00', 0x40002, 0x8) sendfile(r2, 0xffffffffffffffff, 0x0, 0x2008000fffffffe) mmap(&(0x7f0000ffb000/0x4000)=nil, 0x4000, 0x0, 0x13, r2, 0xdb52000) r3 = dup(0xffffffffffffffff) ioctl$BLKIOMIN(r3, 0x1278, 0x0) write$P9_RSETATTR(r3, &(0x7f0000000180)={0x7}, 0x7) write$P9_RATTACH(r3, &(0x7f0000000100)={0xfffffffffffffd85, 0x69, 0x4001, {0x40, 0x2, 0x207}}, 0xd) getsockname$l2tp(r3, &(0x7f0000000180)={0x2, 0x0, @local}, &(0x7f00000001c0)=0x10) ioctl$KDSETLED(r0, 0x4b32, 0x5) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xf) r4 = semget(0x0, 0x0, 0x0) semop(r4, &(0x7f0000000100)=[{0x0, 0x4, 0x1000}, {0x1, 0x200, 0x800}, {0x0, 0x0, 0x1000}, {0x0, 0x800, 0x800}, {0x4, 0x0, 0x1800}, {0x3, 0x40, 0x1000}, {0x4, 0xde, 0x1000}], 0x7) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) [ 3092.652766] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. 13:40:42 executing program 4: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xf) ioctl$VT_GETMODE(r0, 0x5601, &(0x7f0000000040)) gettid() ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) [ 3092.707534] batman_adv: batadv0: Adding interface: veth121 [ 3092.715790] batman_adv: batadv0: The MTU of interface veth121 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 3092.743612] batman_adv: batadv0: Not using interface veth121 (retrying later): interface not active [ 3092.778519] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. [ 3092.792243] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. 13:40:42 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x74000000, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) 13:40:42 executing program 2: openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(0xffffffffffffffff, 0x4020ae46, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000000000/0x18000)=nil, &(0x7f00000000c0)=[@text64={0x40, 0x0}], 0x1, 0x0, 0x0, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r4}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x3f05, &(0x7f0000000200)={&(0x7f0000000640)=@newlink={0x20, 0x11, 0x40d, 0xa, 0x0, {0x5, 0x0, 0x0, r4}}, 0x20}, 0x1, 0x3f00}, 0x0) [ 3092.829905] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 13:40:42 executing program 4: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xf) r1 = dup(0xffffffffffffffff) ioctl$BLKIOMIN(r1, 0x1278, 0x0) write$P9_RSETATTR(r1, &(0x7f0000000180)={0x7}, 0x7) write$P9_RATTACH(r1, &(0x7f0000000100)={0xfffffffffffffd85, 0x69, 0x4001, {0x40, 0x2, 0x207}}, 0xd) ioctl$TCSETSW(r1, 0x5403, &(0x7f0000000380)={0x4, 0x9, 0x8, 0x8, 0xe, "167d4646ba10db121b8bc548da8d2aed64147a"}) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) r2 = open(&(0x7f0000000100)='./file0\x00', 0x268101, 0x0) sendfile(r2, 0xffffffffffffffff, 0x0, 0x2008000fffffffe) r3 = dup(0xffffffffffffffff) ioctl$BLKIOMIN(r3, 0x1278, 0x0) r4 = creat(&(0x7f0000000240)='./file0\x00', 0x108) ioctl$FS_IOC_FIEMAP(r4, 0xc020660b, &(0x7f00000002c0)={0x3, 0x7ff, 0x3, 0x20, 0x2, [{0x9, 0x0, 0x100000001, [], 0xc}, {0x0, 0x7ff, 0x5, [], 0x2000}]}) write$P9_RSETATTR(r3, &(0x7f0000000180)={0x7}, 0x7) write$P9_RATTACH(r3, &(0x7f0000000100)={0x14, 0x69, 0x4005, {0x40, 0x2, 0x2}}, 0x14) sendmsg$RDMA_NLDEV_CMD_STAT_GET(r3, &(0x7f0000000200)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000280)=ANY=[@ANYRESOCT, @ANYRES32], 0x20}, 0x1, 0x0, 0x0, 0x10}, 0x5) getsockopt$X25_QBITINCL(r2, 0x106, 0x1, &(0x7f0000000040), &(0x7f00000000c0)=0x4) 13:40:42 executing program 4: r0 = dup(0xffffffffffffffff) ioctl$BLKIOMIN(r0, 0x1278, 0x0) r1 = open(&(0x7f0000000140)='./file0\x00', 0x40002, 0x8) sendfile(r1, 0xffffffffffffffff, 0x0, 0x2008000fffffffe) r2 = dup(0xffffffffffffffff) ioctl$BLKIOMIN(r2, 0x1278, 0x0) write$P9_RSETATTR(r2, &(0x7f0000000180)={0x7}, 0x7) write$P9_RATTACH(r2, &(0x7f0000000100)={0xfffffffffffffd85, 0x69, 0x4001, {0x40, 0x2, 0x207}}, 0xd) write$P9_RSETATTR(r2, &(0x7f0000000180)={0x7}, 0x7) write$P9_RATTACH(r0, &(0x7f0000000100)={0xfffffffffffffd85, 0x69, 0x4001, {0x40, 0x2, 0x207}}, 0xd) ioctl$EVIOCGABS2F(r0, 0x8018456f, &(0x7f00000000c0)) r3 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r3, 0x5423, &(0x7f0000000080)=0xf) r4 = open(&(0x7f0000000140)='./file0\x00', 0x40002, 0x8) sendfile(0xffffffffffffffff, 0xffffffffffffffff, 0x0, 0x2008000fffffffe) futimesat(0xffffffffffffffff, &(0x7f00000000c0)='./file0\x00', &(0x7f00000001c0)={{0x77359400}}) sendfile(r4, 0xffffffffffffffff, 0x0, 0x2008000fffffffe) ioctl$TIOCSETD(r4, 0x5412, &(0x7f0000000040)=0xfffffffe) r5 = syz_open_dev$ttys(0xc, 0x2, 0x1) ioctl$TIOCPKT(r5, 0x5420, &(0x7f0000000000)=0xa7) [ 3092.909164] batman_adv: batadv0: Adding interface: veth247 [ 3092.914924] batman_adv: batadv0: The MTU of interface veth247 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 13:40:42 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x5, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) [ 3092.969060] batman_adv: batadv0: Not using interface veth247 (retrying later): interface not active [ 3092.981484] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. [ 3092.991859] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. 13:40:42 executing program 3: ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x3f00, &(0x7f0000000200)={&(0x7f0000000640)=@newlink={0x13, 0x11, 0x40d, 0x0, 0x0, {0x5, 0x0, 0x0, r3}}, 0x20}, 0x1, 0x3f00}, 0x0) 13:40:42 executing program 4: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xf) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) r1 = open(&(0x7f0000000140)='./file0\x00', 0x40002, 0x8) sendfile(r1, 0xffffffffffffffff, 0x0, 0x2008000fffffffe) ioctl$TCSETAW(r1, 0x5407, &(0x7f0000000040)={0x8, 0x7, 0xd94b, 0x1, 0x8, "90083b7167de4664"}) [ 3093.030344] batman_adv: batadv0: Adding interface: veth287 [ 3093.035997] batman_adv: batadv0: The MTU of interface veth287 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 13:40:42 executing program 4: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000340)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xf) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) syz_read_part_table(0x20, 0x4, &(0x7f00000002c0)=[{&(0x7f0000000040)="d8ae95db19db79740dbc2d5a50eddb1fea1c37494314ba9667abedde1de9552b76ec59c464d65244ccf3e2552f1d59f30ec9", 0x32, 0xffffffffffff5ffd}, {&(0x7f00000000c0)="27aef8985acab00957ef9fb23a4c51d66dfa8ec21024180d071a3e8629a9449d1f991f79bf779bc141110afb3bc2d96ccbda1871cb35", 0x36, 0x6}, {&(0x7f0000000100)="5f5260a81ef4f296c35995bb304aa4e622ab78d8e339a29a4c11b8fc43b4b632102c7fe4dffd3e73bd4b735b9ab023f3e83c8f8d74fff97d9c24b70f9e5a9cd5f34d5d4c4ce3d924aa0271bcd1e17e508b28f5da7f49d34d52f18856b7bc3c62f7bb1900855eb4d9c04afc133500c866483b95419b4441cb345c33a8f81b55da80d7bc7bd58350148d8328dd64e2832b2b64d4c6f3a24b74039f90c0b280c429a632df718a52fc95cdecdc94e4ce67320d9461a158", 0xb5, 0x1}, {&(0x7f00000001c0)="430f1d85857ada158d58b7c1238a9e546ec782ea280731b9926dff1dc0fc0128008b45ce97cbc1b278d281211aadb6222839bd85f1d227fdc1559603fe6e1ca5a4402bd1aee336288604a2c145a90d85831f125ed1e9ee0ca46592a68273c35916c642472398d5aba94ef733da3f396fe99c429ce05879c139dd6caf235530062649610b254874d40966a941ade0d1452ec8b474d9790fa2e2e123173244c5a642b8b0716199014b8b13cce344630eecc6d1d440c1f050044985670042f63c41da1e676ea276a5e9e32e1c03868b18e5c8", 0xd1, 0x3e890bee}]) [ 3093.103312] batman_adv: batadv0: Not using interface veth287 (retrying later): interface not active [ 3093.171753] batman_adv: batadv0: Adding interface: veth135 [ 3093.177417] batman_adv: batadv0: The MTU of interface veth135 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 3093.204546] batman_adv: batadv0: Not using interface veth135 (retrying later): interface not active 13:40:42 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x65580000, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) 13:40:42 executing program 4: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) r1 = dup(0xffffffffffffffff) ioctl$BLKIOMIN(r1, 0x1278, 0x0) write$P9_RSETATTR(r1, &(0x7f0000000180)={0x7}, 0x7) write$P9_RATTACH(r1, &(0x7f0000000100)={0xfffffffffffffd85, 0x69, 0x4001, {0x40, 0x2, 0x207}}, 0xd) ioctl$TIOCSETD(r1, 0x5423, &(0x7f0000000080)=0xc) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) [ 3093.223299] batman_adv: batadv0: Removing interface: veth135 13:40:42 executing program 4: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xf) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) [ 3093.330791] batman_adv: batadv0: Adding interface: veth123 [ 3093.336558] batman_adv: batadv0: The MTU of interface veth123 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 3093.365989] batman_adv: batadv0: Not using interface veth123 (retrying later): interface not active 13:40:43 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x7a000000, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) [ 3093.410564] batman_adv: batadv0: Adding interface: veth249 [ 3093.416237] batman_adv: batadv0: The MTU of interface veth249 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 13:40:43 executing program 4: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xf) r1 = syz_open_procfs$namespace(0x0, &(0x7f00000000c0)='ns/mnt\x00') setns(r1, 0x0) flock(r1, 0x1) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) ioctl$TIOCGSID(0xffffffffffffffff, 0x5429, &(0x7f0000000040)) 13:40:43 executing program 2: openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(0xffffffffffffffff, 0x4020ae46, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000000000/0x18000)=nil, &(0x7f00000000c0)=[@text64={0x40, 0x0}], 0x1, 0x0, 0x0, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r4}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x3f06, &(0x7f0000000200)={&(0x7f0000000640)=@newlink={0x20, 0x11, 0x40d, 0xa, 0x0, {0x5, 0x0, 0x0, r4}}, 0x20}, 0x1, 0x3f00}, 0x0) 13:40:43 executing program 3: ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x3f00, &(0x7f0000000200)={&(0x7f0000000640)=@newlink={0x14, 0x11, 0x40d, 0x0, 0x0, {0x5, 0x0, 0x0, r3}}, 0x20}, 0x1, 0x3f00}, 0x0) [ 3093.452397] batman_adv: batadv0: Not using interface veth249 (retrying later): interface not active 13:40:43 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x6, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) [ 3093.527490] batman_adv: batadv0: Adding interface: veth289 [ 3093.536379] batman_adv: batadv0: The MTU of interface veth289 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 13:40:43 executing program 4: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x28802, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xf) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) [ 3093.581698] batman_adv: batadv0: Not using interface veth289 (retrying later): interface not active 13:40:43 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x68000000, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) [ 3093.679108] batman_adv: batadv0: Adding interface: veth137 [ 3093.684881] batman_adv: batadv0: The MTU of interface veth137 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 13:40:43 executing program 4: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xf) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) r1 = inotify_init1(0x0) fcntl$setown(r1, 0x8, 0xffffffffffffffff) fcntl$getownex(r1, 0x10, &(0x7f00000000c0)={0x0, 0x0}) tkill(r2, 0x13) r3 = inotify_init1(0x0) fcntl$setown(r3, 0x8, 0xffffffffffffffff) fcntl$getownex(r3, 0x10, &(0x7f00000000c0)={0x0, 0x0}) tkill(r4, 0x13) r5 = open(&(0x7f0000000140)='./file0\x00', 0x40002, 0x8) sendfile(r5, 0xffffffffffffffff, 0x0, 0x2008000fffffffe) r6 = open(&(0x7f0000000140)='./file0\x00', 0x40002, 0x8) sendfile(r6, 0xffffffffffffffff, 0x0, 0x2008000fffffffe) r7 = openat$cgroup_int(r6, &(0x7f0000000040)='rdma.max\x00', 0x2, 0x0) kcmp$KCMP_EPOLL_TFD(r2, r4, 0x7, r0, &(0x7f00000000c0)={r5, r7, 0x5}) [ 3093.751739] batman_adv: batadv0: Not using interface veth137 (retrying later): interface not active [ 3093.790113] batman_adv: batadv0: Adding interface: veth125 13:40:43 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x7d470000, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) [ 3093.795787] batman_adv: batadv0: The MTU of interface veth125 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 3093.829094] batman_adv: batadv0: Not using interface veth125 (retrying later): interface not active [ 3093.842699] batman_adv: batadv0: Removing interface: veth137 13:40:43 executing program 4: r0 = open(&(0x7f0000000140)='./file0\x00', 0x40002, 0x8) sendfile(r0, 0xffffffffffffffff, 0x0, 0x2008000fffffffe) sendmsg$kcm(r0, &(0x7f0000000480)={&(0x7f00000000c0)=@nfc_llcp={0x27, 0x1, 0x1, 0x1, 0x7, 0x81, "99084efac68378318b44d392f706bdd039915c7bb154fec78bbf6b3ae4aa5967d90dea551104ad0ddec07ab8bb7c8dc7c8faac81143e9d441fc0124b375e69", 0x30}, 0x80, &(0x7f00000003c0)=[{&(0x7f0000000040)="78e9095c200bb8e1df67c57c37", 0xd}, {&(0x7f0000000140)="b96860bc101568e3f99b107950d22b38b0a70b1a58e96180fea21a98c2745a2e435e8f9c6ceb7b4a791c71213705969e1425e0409b44db56cf39fb582f1703e3b14d19b4453e7b744674bfdb0079282ac16feac3e0da571543ce999ac8f9ffbfe78973c3e12edebcd48c3abb2d8d9185c592c7b9e8283750b032febaf1bce4d8485cccda3f471138ab821c203668189d03e9b6d6def4730f7a46", 0x9a}, {&(0x7f0000000200)="412d2eac20ab7d2c63499ac7a6d825ae0e8add4571cd3a90cc1c8e45a4346a254fc61120be3eb3e833352aa3526857e1d8d3044773b0e0eadf20549c71f6c15d1da16ac8c0484b46131fbe9f16d36eabad75022836dfc2364edb75a82b84c0dcb2989069db6ddf665619ae49e90f1ab99fc71e0e8f170f3a01284a4da2b5170c33d80bc528fe20df27bd71f2bb47d292547546be1f65fde8fceb337f608f5574b8e6", 0xa2}, {&(0x7f00000002c0)="e9c7fa14908fecf79708ff77644ab4a0d9ab499cde7be40806803bc90e25c384688ffc0604c2bc9218b6b815f12c218d5d42a66a8565f32e31df3166bb10d3f2be607e45f021f24d", 0x48}, {&(0x7f0000000340)="411d287a6b8b686f2b71f8f8f52b68a4958193ac1648cd04ded8ad9a5db629e9eb716d5caabdef0af49fee5bd2e5e49ac3d102e77d8b75d9d2be89c3911d6b27bb77978407b7a684d77a8c6a5727d2", 0x4f}], 0x5, &(0x7f0000000440)=[{0x18, 0x109, 0x2, "7f291875698550"}, {0x28, 0x108, 0x7, "4217ba10f1a11087443d85cf5729706eaefd"}], 0x40}, 0x4000094) r1 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r1, 0x5423, &(0x7f0000000080)=0xf) ioctl$TIOCSETD(r1, 0x5412, &(0x7f0000000000)) 13:40:43 executing program 3: ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x3f00, &(0x7f0000000200)={&(0x7f0000000640)=@newlink={0x15, 0x11, 0x40d, 0x0, 0x0, {0x5, 0x0, 0x0, r3}}, 0x20}, 0x1, 0x3f00}, 0x0) [ 3093.922495] batman_adv: batadv0: Adding interface: veth251 [ 3093.929862] batman_adv: batadv0: The MTU of interface veth251 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 13:40:43 executing program 4: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) r1 = open(&(0x7f0000000140)='./file0\x00', 0x40002, 0x8) sendfile(r1, 0xffffffffffffffff, 0x0, 0x2008000fffffffe) ioctl$VIDIOC_S_EXT_CTRLS(r1, 0xc0205648, &(0x7f0000000100)={0x9a0000, 0x400, 0x6, 0xffffffffffffffff, 0x0, &(0x7f00000000c0)={0x990afb, 0xfffffffa, [], @value=0x6}}) ioctl$TIOCSETD(r2, 0x5423, &(0x7f0000000080)=0x6) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) [ 3093.985550] batman_adv: batadv0: Not using interface veth251 (retrying later): interface not active [ 3094.049615] batman_adv: batadv0: Adding interface: veth291 [ 3094.055265] batman_adv: batadv0: The MTU of interface veth291 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 13:40:43 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x7, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) [ 3094.112674] batman_adv: batadv0: Not using interface veth291 (retrying later): interface not active 13:40:43 executing program 4: r0 = open(&(0x7f0000000140)='./file0\x00', 0x40002, 0x8) sendfile(r0, 0xffffffffffffffff, 0x0, 0x2008000fffffffe) r1 = socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$tipc(&(0x7f0000000040)='TIPC\x00') sendmsg$TIPC_CMD_SHOW_LINK_STATS(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000000)={0x30, r2, 0x23f, 0x0, 0x0, {{}, {0x0, 0x410c}, {0x14, 0x14, 'broadcast-link\x00'}}}, 0x30}, 0x1, 0xfffffff0}, 0x0) sendmsg$TIPC_CMD_SHOW_NAME_TABLE(r0, &(0x7f0000000a40)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000a00)={&(0x7f00000009c0)={0x30, r2, 0x400, 0x70bd26, 0x25dfdbfb, {{}, {}, {0x14, 0x19, {0x5, 0x3, 0x5}}}, ["", "", "", ""]}, 0x30}, 0x1, 0x0, 0x0, 0x8081}, 0x10) r3 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r3, 0x5423, &(0x7f0000000080)=0xf) r4 = open(&(0x7f0000000140)='./file0\x00', 0x40002, 0x8) sendfile(r4, 0xffffffffffffffff, 0x0, 0x2008000fffffffe) ioctl$TIOCSETD(r4, 0x5412, &(0x7f0000000000)=0x800004) pipe2(&(0x7f0000000040), 0x4000) r5 = open(&(0x7f0000000140)='./file0\x00', 0x40002, 0x8) sendfile(r5, 0xffffffffffffffff, 0x0, 0x2008000fffffffe) r6 = dup(0xffffffffffffffff) ioctl$BLKIOMIN(r6, 0x1278, 0x0) write$P9_RSETATTR(r6, &(0x7f0000000180)={0x7}, 0x7) write$P9_RATTACH(r6, &(0x7f0000000100)={0xfffffffffffffd85, 0x69, 0x4001, {0x40, 0x2, 0x207}}, 0xd) ioctl$VIDIOC_G_ENC_INDEX(r6, 0x8818564c, &(0x7f0000000180)) [ 3094.224686] batman_adv: batadv0: Adding interface: veth127 [ 3094.241458] batman_adv: batadv0: The MTU of interface veth127 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 13:40:43 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x81000000, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) 13:40:43 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x6c000000, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) 13:40:43 executing program 3: ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x3f00, &(0x7f0000000200)={&(0x7f0000000640)=@newlink={0x16, 0x11, 0x40d, 0x0, 0x0, {0x5, 0x0, 0x0, r3}}, 0x20}, 0x1, 0x3f00}, 0x0) [ 3094.275789] batman_adv: batadv0: Not using interface veth127 (retrying later): interface not active 13:40:43 executing program 4: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xf) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) r1 = socket$vsock_stream(0x28, 0x1, 0x0) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0}, &(0x7f0000cab000)=0xc) setresuid(0x0, r2, 0x0) mount$9p_xen(&(0x7f0000000040)='syz\x00', &(0x7f00000000c0)='./file0\x00', &(0x7f0000000100)='9p\x00', 0x81020, &(0x7f0000000140)=ANY=[@ANYBLOB='trans=xen,cache=loose,versi/n=9p2000.u,cache=mmap,version=9p2000.u,context=root,seclabel,smackfshat=/dev/ptmx\x00,fowner<', @ANYRESDEC=r2, @ANYBLOB=',permit_directio,func=PATH_CHECK,\x00']) 13:40:43 executing program 2: openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(0xffffffffffffffff, 0x4020ae46, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000000000/0x18000)=nil, &(0x7f00000000c0)=[@text64={0x40, 0x0}], 0x1, 0x0, 0x0, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r4}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x3f07, &(0x7f0000000200)={&(0x7f0000000640)=@newlink={0x20, 0x11, 0x40d, 0xa, 0x0, {0x5, 0x0, 0x0, r4}}, 0x20}, 0x1, 0x3f00}, 0x0) 13:40:43 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x8, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) 13:40:44 executing program 4: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x200, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xf) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) [ 3094.439518] batman_adv: batadv0: Adding interface: veth255 [ 3094.445191] batman_adv: batadv0: The MTU of interface veth255 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 3094.473445] batman_adv: batadv0: Not using interface veth255 (retrying later): interface not active [ 3094.500800] batman_adv: batadv0: Adding interface: veth293 [ 3094.506468] batman_adv: batadv0: The MTU of interface veth293 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 3094.534621] batman_adv: batadv0: Not using interface veth293 (retrying later): interface not active 13:40:44 executing program 4: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TCSETS(r0, 0x5402, &(0x7f0000000040)={0x3, 0x3, 0x4, 0x8, 0x3, "bac0614e380701fc889369fa4744df909e726e"}) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xf) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) r1 = open(&(0x7f0000000140)='./file0\x00', 0x40002, 0x8) sendfile(r1, 0xffffffffffffffff, 0x0, 0x2008000fffffffe) sendmsg$AUDIT_GET(r1, &(0x7f0000000180)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000140)={&(0x7f0000000100)={0x10, 0x3e8, 0x300, 0x70bd2a, 0x25dfdbfd, "", ["", "", ""]}, 0x10}, 0x1, 0x0, 0x0, 0x24000800}, 0x0) r2 = dup(0xffffffffffffffff) ioctl$BLKIOMIN(r2, 0x1278, 0x0) write$P9_RSETATTR(r2, &(0x7f0000000180)={0x7}, 0x7) write$P9_RATTACH(r2, &(0x7f0000000100)={0xfffffffffffffd85, 0x69, 0x4001, {0x40, 0x2, 0x207}}, 0xd) ioctl$sock_netrom_SIOCDELRT(r2, 0x890c, &(0x7f00000001c0)={0x1, @netrom={0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0x0, 0x0}, @bpq0='bpq0\x00', 0x4, 'syz0\x00', @rose={0xbb, 0xbb, 0xbb, 0x1, 0x0}, 0x9, 0x2, [@netrom={0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0x0, 0x0}, @netrom={0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0x0, 0x0}, @remote={0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0x1}, @null, @bcast, @remote={0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0x3}, @netrom={0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0x0, 0x0}, @rose={0xbb, 0xbb, 0xbb, 0x1, 0x0}]}) [ 3094.556065] batman_adv: batadv0: Adding interface: veth139 [ 3094.565577] batman_adv: batadv0: The MTU of interface veth139 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 3094.591762] batman_adv: batadv0: Not using interface veth139 (retrying later): interface not active [ 3094.616061] batman_adv: batadv0: Removing interface: veth139 [ 3094.654850] batman_adv: batadv0: Adding interface: veth131 13:40:44 executing program 3: ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x3f00, &(0x7f0000000200)={&(0x7f0000000640)=@newlink={0x17, 0x11, 0x40d, 0x0, 0x0, {0x5, 0x0, 0x0, r3}}, 0x20}, 0x1, 0x3f00}, 0x0) [ 3094.669847] batman_adv: batadv0: The MTU of interface veth131 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 3094.698044] batman_adv: batadv0: Not using interface veth131 (retrying later): interface not active 13:40:44 executing program 4: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) r1 = dup(0xffffffffffffffff) ioctl$BLKIOMIN(r1, 0x1278, 0x0) write$P9_RSETATTR(r1, &(0x7f0000000180)={0x7}, 0x7) getsockname$l2tp(0xffffffffffffffff, &(0x7f00000001c0)={0x2, 0x0, @multicast2}, &(0x7f0000000200)=0x10) write$P9_RATTACH(r1, &(0x7f0000000100)={0xfffffffffffffd85, 0x69, 0x4001, {0x40, 0x2, 0x207}}, 0xd) write$P9_RLCREATE(r1, &(0x7f00000000c0)={0x18, 0xf, 0x1, {{0x0, 0x3, 0x7}, 0x3f}}, 0x18) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xf) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) r2 = open(&(0x7f0000000140)='./file0\x00', 0x40002, 0x8) sendfile(r2, 0xffffffffffffffff, 0x0, 0x2008000fffffffe) r3 = open(&(0x7f0000000140)='./file0\x00', 0x40002, 0x8) sendfile(r3, 0xffffffffffffffff, 0x0, 0x2008000fffffffe) setsockopt$netlink_NETLINK_RX_RING(r3, 0x10e, 0x6, &(0x7f0000000040)={0x6, 0x6, 0xfffff6d3, 0x7f}, 0x10) 13:40:44 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x88a8ffff, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) 13:40:44 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x74000000, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) 13:40:44 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0xa, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) 13:40:44 executing program 3: ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x3f00, &(0x7f0000000200)={&(0x7f0000000640)=@newlink={0x18, 0x11, 0x40d, 0x0, 0x0, {0x5, 0x0, 0x0, r3}}, 0x20}, 0x1, 0x3f00}, 0x0) 13:40:44 executing program 2: openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(0xffffffffffffffff, 0x4020ae46, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000000000/0x18000)=nil, &(0x7f00000000c0)=[@text64={0x40, 0x0}], 0x1, 0x0, 0x0, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r4}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x3f08, &(0x7f0000000200)={&(0x7f0000000640)=@newlink={0x20, 0x11, 0x40d, 0xa, 0x0, {0x5, 0x0, 0x0, r4}}, 0x20}, 0x1, 0x3f00}, 0x0) 13:40:44 executing program 4: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) r1 = dup(0xffffffffffffffff) ioctl$BLKIOMIN(r1, 0x1278, 0x0) ioctl$VIDIOC_TRY_EXT_CTRLS(r1, 0xc0205649, &(0x7f00000001c0)={0xfffffff, 0x7f, 0x10000, 0xffffffffffffffff, 0x0, &(0x7f0000000040)={0x990a74, 0x6, [], @value64=0x5}}) read$midi(r2, &(0x7f0000000200)=""/246, 0xf6) write$P9_RSETATTR(r1, &(0x7f0000000180)={0x7}, 0x7) write$P9_RATTACH(r1, &(0x7f0000000100)={0xfffffffffffffd85, 0x69, 0x4001, {0x40, 0x2, 0x207}}, 0xd) ioctl$EVIOCGABS3F(r1, 0x8018457f, &(0x7f00000000c0)=""/135) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) r3 = creat(&(0x7f0000000080)='./file0\x00', 0x144) write$FUSE_GETXATTR(r3, &(0x7f0000000300)={0x18, 0xfffffffffffffffe, 0x3, {0x100000}}, 0x18) [ 3095.001332] batman_adv: batadv0: Adding interface: veth297 [ 3095.007482] batman_adv: batadv0: The MTU of interface veth297 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 13:40:44 executing program 4: r0 = dup(0xffffffffffffffff) ioctl$BLKIOMIN(r0, 0x1278, 0x0) r1 = open(&(0x7f0000000140)='./file0\x00', 0x40002, 0x8) r2 = open(&(0x7f0000000140)='./file0\x00', 0x48002, 0x8) sendfile(r2, 0xffffffffffffffff, 0x0, 0x2008000fffffffe) ioctl$TCGETS2(r2, 0x802c542a, &(0x7f0000000200)) sendfile(r1, 0xffffffffffffffff, 0x0, 0x2008000fffffffe) write$P9_RSETATTR(r1, &(0x7f0000000180)={0x7, 0x1b, 0x100}, 0x7) write$P9_RATTACH(r0, &(0x7f0000000100)={0xfffffffffffffd85, 0x69, 0x4001, {0x40, 0x2, 0x207}}, 0xd) ioctl$DRM_IOCTL_RM_MAP(r0, 0x4028641b, &(0x7f0000000040)={0x0, 0x5c, 0x3, 0x8, &(0x7f0000ffb000/0x3000)=nil, 0x3}) r3 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r3, 0x5423, &(0x7f0000000080)=0xf) r4 = dup(0xffffffffffffffff) ioctl$BLKIOMIN(r4, 0x1278, 0x0) write$P9_RSETATTR(r4, &(0x7f0000000180)={0x7}, 0x7) write$P9_RATTACH(r4, &(0x7f0000000100)={0xfffffffffffffd85, 0x69, 0x4001, {0x40, 0x2, 0x207}}, 0xd) ioctl$VIDIOC_SUBDEV_QUERY_DV_TIMINGS(r4, 0x80845663, &(0x7f0000000240)) ioctl$TIOCSETD(r3, 0x5412, &(0x7f0000000000)) getsockopt$IP_VS_SO_GET_VERSION(r0, 0x0, 0x480, &(0x7f00000000c0), &(0x7f00000001c0)=0x40) [ 3095.111788] batman_adv: batadv0: Not using interface veth297 (retrying later): interface not active [ 3095.175543] batman_adv: batadv0: Adding interface: veth257 [ 3095.196331] batman_adv: batadv0: The MTU of interface veth257 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 13:40:44 executing program 4: r0 = open(&(0x7f0000000140)='./file0\x00', 0x40002, 0x8) r1 = open(&(0x7f0000000140)='./file0\x00', 0x40002, 0x8) sendfile(r1, 0xffffffffffffffff, 0x0, 0x2008000fffffffe) write$P9_RXATTRWALK(r1, &(0x7f0000000100)={0xf, 0x1f, 0x2, 0x5}, 0xf) sendfile(r0, 0xffffffffffffffff, 0x0, 0x2008000fffffffe) getsockopt$inet_sctp6_SCTP_DISABLE_FRAGMENTS(r0, 0x84, 0x8, &(0x7f0000000040), &(0x7f00000000c0)=0x4) r2 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r2, 0x5423, &(0x7f0000000080)=0xf) ioctl$TIOCSETD(r2, 0x5412, &(0x7f0000000000)) [ 3095.269030] batman_adv: batadv0: Not using interface veth257 (retrying later): interface not active [ 3095.310368] batman_adv: batadv0: Adding interface: veth133 [ 3095.316028] batman_adv: batadv0: The MTU of interface veth133 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 13:40:45 executing program 4: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xf) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) r1 = dup(0xffffffffffffffff) ioctl$BLKIOMIN(r1, 0x1278, 0x0) write$P9_RSETATTR(r1, &(0x7f0000000180)={0x7}, 0x7) ioctl$PPPIOCGCHAN(r1, 0x80047437, &(0x7f00000000c0)) write$P9_RATTACH(r1, &(0x7f0000000100)={0xfffffffffffffd85, 0x69, 0x4001, {0x40, 0x2, 0x207}}, 0xd) ioctl$sock_bt_bnep_BNEPGETSUPPFEAT(r1, 0x800442d4, &(0x7f0000000040)=0xffffff80) [ 3095.407745] batman_adv: batadv0: Not using interface veth133 (retrying later): interface not active [ 3095.462249] batman_adv: batadv0: Adding interface: veth141 [ 3095.473187] batman_adv: batadv0: The MTU of interface veth141 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 13:40:45 executing program 4: r0 = dup(0xffffffffffffffff) ioctl$BLKIOMIN(r0, 0x1278, 0x0) write$P9_RSETATTR(r0, &(0x7f0000000180)={0x7}, 0x7) write$P9_RATTACH(r0, &(0x7f0000000100)={0xfffffffffffffd85, 0x69, 0x4001, {0x40, 0x2, 0x207}}, 0xd) r1 = inotify_init1(0x0) fcntl$setown(r1, 0x8, 0xffffffffffffffff) fcntl$getownex(r1, 0x10, &(0x7f00000000c0)={0x0, 0x0}) tkill(r2, 0x13) fcntl$setown(r0, 0x8, r2) r3 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r3, 0x5423, &(0x7f0000000080)=0xf) ioctl$TIOCSETD(r3, 0x5412, &(0x7f0000000000)) r4 = open(&(0x7f0000000140)='./file0\x00', 0x40002, 0x8) sendfile(r4, 0xffffffffffffffff, 0x0, 0x2008000fffffffe) write$cgroup_freezer_state(r4, &(0x7f0000000040)='FROZEN\x00', 0x7) [ 3095.555283] batman_adv: batadv0: Not using interface veth141 (retrying later): interface not active [ 3095.594889] batman_adv: batadv0: Removing interface: veth141 13:40:45 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x9effffff, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) 13:40:45 executing program 4: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x21185deca333cd7, 0x0) openat$qat_adf_ctl(0xffffffffffffff9c, &(0x7f0000000040)='/dev/qat_adf_ctl\x00', 0x501000, 0x0) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)=0xc) 13:40:45 executing program 3: ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x3f00, &(0x7f0000000200)={&(0x7f0000000640)=@newlink={0x19, 0x11, 0x40d, 0x0, 0x0, {0x5, 0x0, 0x0, r3}}, 0x20}, 0x1, 0x3f00}, 0x0) 13:40:45 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x7a000000, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) 13:40:45 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0xc, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) 13:40:45 executing program 4: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xf) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) getsockname$packet(0xffffffffffffffff, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xe) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)=ANY=[@ANYBLOB="662a38000000240007050000004007a2a300", @ANYRES32=r1, @ANYBLOB="000070d5fffffdff00000000090001006866736300000000080002"], 0x38}}, 0x0) r2 = dup(0xffffffffffffffff) ioctl$BLKIOMIN(r2, 0x1278, 0x0) write$P9_RSETATTR(r2, &(0x7f0000000180)={0x7}, 0x7) write$P9_RATTACH(r2, &(0x7f0000000100)={0xfffffffffffffd85, 0x69, 0x4001, {0x40, 0x2, 0x207}}, 0xd) ioctl$PIO_CMAP(r2, 0x4b71, &(0x7f00000000c0)={0xffff, 0x1, 0xeb6, 0x100000001, 0x5, 0x39e}) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000300)=ANY=[@ANYBLOB='h\x00\x00<,\x00\'\r\x00'/20, @ANYRES32=r1, @ANYBLOB], 0x68}}, 0x0) ioctl$ifreq_SIOCGIFINDEX_vcan(0xffffffffffffffff, 0x8933, &(0x7f0000000040)={'vxcan0\x00', r1}) [ 3095.803827] batman_adv: batadv0: Adding interface: veth141 [ 3095.816207] batman_adv: batadv0: The MTU of interface veth141 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 3095.911217] batman_adv: batadv0: Not using interface veth141 (retrying later): interface not active [ 3095.951878] batman_adv: batadv0: Removing interface: veth141 [ 3095.989154] batman_adv: batadv0: Adding interface: veth299 [ 3095.994818] batman_adv: batadv0: The MTU of interface veth299 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 3096.029432] batman_adv: batadv0: Not using interface veth299 (retrying later): interface not active [ 3096.103491] batman_adv: batadv0: Adding interface: veth135 [ 3096.113271] batman_adv: batadv0: The MTU of interface veth135 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 3096.140117] batman_adv: batadv0: Not using interface veth135 (retrying later): interface not active 13:40:45 executing program 2: openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(0xffffffffffffffff, 0x4020ae46, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000000000/0x18000)=nil, &(0x7f00000000c0)=[@text64={0x40, 0x0}], 0x1, 0x0, 0x0, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r4}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x3f0a, &(0x7f0000000200)={&(0x7f0000000640)=@newlink={0x20, 0x11, 0x40d, 0xa, 0x0, {0x5, 0x0, 0x0, r4}}, 0x20}, 0x1, 0x3f00}, 0x0) 13:40:45 executing program 4: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) r1 = dup(0xffffffffffffffff) ioctl$BLKIOMIN(r1, 0x1278, 0x0) write$P9_RSETATTR(r1, &(0x7f0000000180)={0x7}, 0x7) write$P9_RATTACH(r1, &(0x7f0000000100)={0xfffffffffffffd85, 0x69, 0x4001, {0x40, 0x2, 0x207}}, 0xd) fcntl$getown(r1, 0x9) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xf) r2 = openat$binder_debug(0xffffffffffffff9c, &(0x7f00000000c0)='/sys/kernel/debug/binder/state\x00', 0x0, 0x0) r3 = openat$vga_arbiter(0xffffffffffffff9c, &(0x7f0000000200)='/dev/vga_arbiter\x00', 0x2, 0x0) getsockopt$inet_sctp_SCTP_RECVNXTINFO(r3, 0x84, 0x21, &(0x7f0000000240), &(0x7f0000000280)=0x4) ioctl$TCSETXF(r2, 0x5434, &(0x7f0000000140)={0x8, 0x7ba2, [0x7, 0x101, 0x2, 0x9, 0x2], 0xced}) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) r4 = openat$nullb(0xffffffffffffff9c, &(0x7f00000001c0)='/dev/nullb0\x00', 0x189000, 0x0) r5 = syz_open_procfs$namespace(0x0, &(0x7f00000000c0)='ns/mnt\x00') setns(r5, 0x0) dup2(r4, r5) ioctl$TCSETSF(r0, 0x5404, &(0x7f0000000040)={0x3ff, 0x149, 0xed, 0x9, 0x19, "b8d220224cea637d303484f04ffabdcef33bac"}) [ 3096.155261] batman_adv: batadv0: Adding interface: veth261 [ 3096.163317] batman_adv: batadv0: The MTU of interface veth261 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 3096.189603] batman_adv: batadv0: Not using interface veth261 (retrying later): interface not active 13:40:45 executing program 3: ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x3f00, &(0x7f0000000200)={&(0x7f0000000640)=@newlink={0x1a, 0x11, 0x40d, 0x0, 0x0, {0x5, 0x0, 0x0, r3}}, 0x20}, 0x1, 0x3f00}, 0x0) 13:40:45 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0xe, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) 13:40:45 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0xb49f9bca, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) 13:40:45 executing program 4: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xf) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) r1 = dup(0xffffffffffffffff) ioctl$BLKIOMIN(r1, 0x1278, 0x0) write$P9_RSETATTR(r1, &(0x7f0000000180)={0x7}, 0x7) write$P9_RATTACH(r1, &(0x7f0000000100)={0xfffffffffffffd85, 0x69, 0x4001, {0x40, 0x2, 0x207}}, 0xd) ioctl$VHOST_VSOCK_SET_RUNNING(r1, 0x4004af61, &(0x7f0000000040)=0x1) 13:40:45 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x81000000, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) 13:40:46 executing program 4: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xf) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)=0x2) [ 3096.416654] batman_adv: batadv0: Adding interface: veth141 [ 3096.423982] batman_adv: batadv0: The MTU of interface veth141 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 3096.454904] batman_adv: batadv0: Not using interface veth141 (retrying later): interface not active 13:40:46 executing program 4: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xf) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) r1 = open(&(0x7f0000000140)='./file0\x00', 0x40002, 0x8) sendfile(r1, 0xffffffffffffffff, 0x0, 0x2008000fffffffe) r2 = dup(0xffffffffffffffff) ioctl$BLKIOMIN(r2, 0x1278, 0x0) write$P9_RSETATTR(r2, &(0x7f0000000180)={0x7}, 0x7) ioctl$BLKIOMIN(0xffffffffffffffff, 0x1278, 0x0) write$P9_RSETATTR(0xffffffffffffffff, &(0x7f0000000180)={0x7}, 0x7) write$P9_RATTACH(0xffffffffffffffff, &(0x7f0000000100)={0xfffffffffffffd85, 0x69, 0x4001, {0x40, 0x2, 0x207}}, 0xd) setsockopt$TIPC_CONN_TIMEOUT(0xffffffffffffffff, 0x10f, 0x82, &(0x7f0000000280)=0x2, 0x4) write$P9_RATTACH(r2, &(0x7f0000000100)={0xfffffffffffffd85, 0x69, 0x4001, {0x40, 0x2, 0x207}}, 0xd) ioctl$DMA_BUF_IOCTL_SYNC(r2, 0x40086200, &(0x7f00000000c0)=0x1) bind$rose(r1, &(0x7f0000000040)=@full={0xb, @dev={0xbb, 0xbb, 0xbb, 0x1, 0x0}, @netrom={0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0x0, 0x0}, 0x0, [@rose={0xbb, 0xbb, 0xbb, 0x1, 0x0}, @netrom={0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0x0, 0x0}, @netrom={0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0x0, 0x0}, @bcast, @rose={0xbb, 0xbb, 0xbb, 0x1, 0x0}, @rose={0xbb, 0xbb, 0xbb, 0x1, 0x0}]}, 0x40) r3 = dup(0xffffffffffffffff) ioctl$BLKIOMIN(r3, 0x1278, 0x0) write$P9_RSETATTR(r3, &(0x7f0000000180)={0x7}, 0x7) write$P9_RATTACH(r3, &(0x7f0000000100)={0xfffffffffffffd85, 0x69, 0x4001, {0x40, 0x2, 0x207}}, 0xd) accept4$ax25(r3, &(0x7f00000001c0)={{0x3, @default}, [@rose, @remote, @null, @netrom, @null, @remote, @bcast, @default]}, &(0x7f0000000240)=0x48, 0x80000) [ 3096.520011] batman_adv: batadv0: Removing interface: veth141 [ 3096.579599] batman_adv: batadv0: Adding interface: veth301 [ 3096.585283] batman_adv: batadv0: The MTU of interface veth301 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 3096.619778] batman_adv: batadv0: Not using interface veth301 (retrying later): interface not active [ 3096.650692] batman_adv: batadv0: Adding interface: veth263 [ 3096.656435] batman_adv: batadv0: The MTU of interface veth263 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 3096.685545] batman_adv: batadv0: Not using interface veth263 (retrying later): interface not active 13:40:46 executing program 4: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x1c241, 0x0) r1 = open(&(0x7f0000000140)='./file0\x00', 0x40002, 0x68) sendfile(r1, 0xffffffffffffffff, 0x0, 0x2008000fffffffe) ioctl$TIOCSETD(r1, 0x5423, &(0x7f0000000080)=0x4010) r2 = dup(0xffffffffffffffff) ioctl$BLKIOMIN(r2, 0x1278, 0x0) write$P9_RSETATTR(r2, &(0x7f0000000180)={0x7}, 0x7) write$P9_RATTACH(r2, &(0x7f0000000100)={0xfffffffffffffd85, 0x69, 0x4001, {0x40, 0x2, 0x207}}, 0xd) ioctl(r2, 0x2204, &(0x7f0000000180)="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") ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) [ 3096.709006] batman_adv: batadv0: Adding interface: veth137 [ 3096.714666] batman_adv: batadv0: The MTU of interface veth137 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 3096.740585] batman_adv: batadv0: Not using interface veth137 (retrying later): interface not active 13:40:46 executing program 3: ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x3f00, &(0x7f0000000200)={&(0x7f0000000640)=@newlink={0x1b, 0x11, 0x40d, 0x0, 0x0, {0x5, 0x0, 0x0, r3}}, 0x20}, 0x1, 0x3f00}, 0x0) 13:40:46 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0xc3ffffff, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) [ 3096.800951] batman_adv: batadv0: Adding interface: veth141 [ 3096.838350] batman_adv: batadv0: The MTU of interface veth141 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 3096.879186] batman_adv: batadv0: Not using interface veth141 (retrying later): interface not active 13:40:46 executing program 2: openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(0xffffffffffffffff, 0x4020ae46, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000000000/0x18000)=nil, &(0x7f00000000c0)=[@text64={0x40, 0x0}], 0x1, 0x0, 0x0, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r4}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x3f0c, &(0x7f0000000200)={&(0x7f0000000640)=@newlink={0x20, 0x11, 0x40d, 0xa, 0x0, {0x5, 0x0, 0x0, r4}}, 0x20}, 0x1, 0x3f00}, 0x0) 13:40:46 executing program 4: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000280)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xf) r1 = dup(0xffffffffffffffff) ioctl$BLKIOMIN(r1, 0x1278, 0x0) write$P9_RSETATTR(r1, &(0x7f0000000180)={0x7}, 0x7) r2 = open(&(0x7f0000000140)='./file0\x00', 0x40002, 0x8) sendfile(r2, 0xffffffffffffffff, 0x0, 0x2008000fffffffe) ioctl$SNDRV_PCM_IOCTL_STATUS_EXT64(r2, 0xc0984124, &(0x7f00000001c0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x5}) write$P9_RATTACH(r1, &(0x7f0000000100)={0xfffffffffffffd85, 0x69, 0x4001, {0x40, 0x2, 0x207}}, 0xd) ioctl$TIOCGPKT(r1, 0x80045438, &(0x7f00000000c0)) openat$sndtimer(0xffffffffffffff9c, &(0x7f0000000140)='/dev/snd/timer\x00', 0x4a840) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) openat$ipvs(0xffffffffffffff9c, &(0x7f0000000040)='/proc/sys/net/ipv4/vs/am_droprate\x00', 0x2, 0x0) r3 = dup(0xffffffffffffffff) ioctl$BLKIOMIN(r3, 0x1278, 0x0) write$P9_RSETATTR(r3, &(0x7f0000000180)={0x7}, 0x7) write$P9_RATTACH(r3, &(0x7f0000000100)={0xfffffffffffffd85, 0x69, 0x4001, {0x40, 0x2, 0x207}}, 0xd) r4 = open(&(0x7f0000000140)='./file0\x00', 0x40002, 0x8) sendfile(r4, 0xffffffffffffffff, 0x0, 0x2008000fffffffe) ioctl$KDSIGACCEPT(r4, 0x4b4e, 0x3a) 13:40:46 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x88a8ffff, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) 13:40:46 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x10, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) [ 3096.981844] batman_adv: batadv0: Adding interface: veth305 [ 3096.995480] batman_adv: batadv0: The MTU of interface veth305 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 3097.033504] batman_adv: batadv0: Not using interface veth305 (retrying later): interface not active 13:40:46 executing program 4: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) r1 = dup(0xffffffffffffffff) ioctl$BLKIOMIN(r1, 0x1278, 0x0) write$P9_RSETATTR(r1, &(0x7f0000000180)={0x7}, 0x7) write$P9_RATTACH(r1, &(0x7f0000000100)={0xfffffffffffffd85, 0x69, 0x4001, {0x40, 0x2, 0x207}}, 0xd) ioctl$TIOCSETD(0xffffffffffffffff, 0x5423, &(0x7f00000001c0)=0xc) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)=0x16) bpf$MAP_CREATE(0x0, &(0x7f0000000500)={0x7, 0x4, 0x8, 0xf1a}, 0x2c) bpf$BPF_GET_MAP_INFO(0xf, &(0x7f0000000080)={0xffffffffffffffff, 0x28, &(0x7f0000000240)={0x0, 0x0}}, 0x10) bpf$BPF_MAP_GET_FD_BY_ID(0xe, &(0x7f0000000040)={r2}, 0xc) r3 = dup(0xffffffffffffffff) ioctl$BLKIOMIN(r3, 0x1278, 0x0) write$P9_RSETATTR(r3, &(0x7f0000000180)={0x7}, 0x7) write$P9_RATTACH(r3, &(0x7f0000000100)={0xfffffffffffffd85, 0x69, 0x4001, {0x40, 0x2, 0x207}}, 0xd) ioctl$EVIOCGPROP(r3, 0x80404509, &(0x7f0000000180)) r4 = bpf$BPF_MAP_GET_FD_BY_ID(0xe, &(0x7f0000000040)={r2, 0x401, 0x10}, 0xc) r5 = openat$ttyS3(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/ttyS3\x00', 0x141, 0x0) writev(r5, &(0x7f0000000140)=[{&(0x7f0000000540)="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", 0x1000}, {&(0x7f0000000100)="6d18424474c247799a80d0e513bbfdf789bce46871c8f4e5c4fca901385b96848e5f58b563a36ff26902bb3397009f4442c7", 0x32}], 0x2) ioctl$FIOCLEX(r4, 0x5451) [ 3097.100137] batman_adv: batadv0: Adding interface: veth265 [ 3097.105912] batman_adv: batadv0: The MTU of interface veth265 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 3097.150039] batman_adv: batadv0: Not using interface veth265 (retrying later): interface not active [ 3097.182624] batman_adv: batadv0: Adding interface: veth143 13:40:46 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0xca9b9fb4, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) 13:40:46 executing program 3: ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x3f00, &(0x7f0000000200)={&(0x7f0000000640)=@newlink={0x1c, 0x11, 0x40d, 0x0, 0x0, {0x5, 0x0, 0x0, r3}}, 0x20}, 0x1, 0x3f00}, 0x0) [ 3097.191986] batman_adv: batadv0: The MTU of interface veth143 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 3097.262024] batman_adv: batadv0: Not using interface veth143 (retrying later): interface not active [ 3097.276683] batman_adv: batadv0: Adding interface: veth139 [ 3097.283234] batman_adv: batadv0: The MTU of interface veth139 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 13:40:46 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x9effffff, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) [ 3097.310526] batman_adv: batadv0: Not using interface veth139 (retrying later): interface not active [ 3097.325273] batman_adv: batadv0: Removing interface: veth143 [ 3097.386002] batman_adv: batadv0: Adding interface: veth307 [ 3097.394726] batman_adv: batadv0: The MTU of interface veth307 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 3097.421686] batman_adv: batadv0: Not using interface veth307 (retrying later): interface not active 13:40:47 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x48, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) [ 3097.489967] nla_parse: 79 callbacks suppressed [ 3097.490099] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. [ 3097.517894] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. [ 3097.535531] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. 13:40:47 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0xe4ffffff, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) 13:40:47 executing program 3: ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x3f00, &(0x7f0000000200)={&(0x7f0000000640)=@newlink={0x1d, 0x11, 0x40d, 0x0, 0x0, {0x5, 0x0, 0x0, r3}}, 0x20}, 0x1, 0x3f00}, 0x0) [ 3097.609485] batman_adv: batadv0: Adding interface: veth267 [ 3097.615134] batman_adv: batadv0: The MTU of interface veth267 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 3097.648327] batman_adv: batadv0: Not using interface veth267 (retrying later): interface not active 13:40:47 executing program 2: openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(0xffffffffffffffff, 0x4020ae46, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000000000/0x18000)=nil, &(0x7f00000000c0)=[@text64={0x40, 0x0}], 0x1, 0x0, 0x0, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r4}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x3f0e, &(0x7f0000000200)={&(0x7f0000000640)=@newlink={0x20, 0x11, 0x40d, 0xa, 0x0, {0x5, 0x0, 0x0, r4}}, 0x20}, 0x1, 0x3f00}, 0x0) 13:40:47 executing program 4: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) r1 = open(&(0x7f0000000140)='./file0\x00', 0x40002, 0x8) sendfile(r1, 0xffffffffffffffff, 0x0, 0x2008000fffffffe) ioctl$TIOCSETD(r1, 0x5423, &(0x7f0000000080)=0x11) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) syz_open_dev$ttys(0xc, 0x2, 0x0) r2 = open(&(0x7f0000000140)='./file0\x00', 0x40002, 0x8) sendfile(r2, 0xffffffffffffffff, 0x0, 0x2008000fffffffe) r3 = openat$vcsu(0xffffffffffffff9c, &(0x7f00000001c0)='/dev/vcsu\x00', 0x208a00, 0x0) ioctl$SNDRV_CTL_IOCTL_TLV_WRITE(r3, 0xc008551b, &(0x7f0000000200)={0x1f, 0x4, [0xfffffffe]}) sendmsg$RDMA_NLDEV_CMD_RES_CQ_GET(r2, &(0x7f0000000180)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)=ANY=[@ANYBLOB="fedbdf2508003d0002000000b5dec92a08003d000100000008003d000000080003000300000008003d000000000008003d000200000008000100"/70], 0x48}, 0x1, 0x0, 0x0, 0x4001}, 0x4008080) [ 3097.674672] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. [ 3097.709389] batman_adv: batadv0: Adding interface: veth143 [ 3097.736743] batman_adv: batadv0: The MTU of interface veth143 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 3097.780338] batman_adv: batadv0: Not using interface veth143 (retrying later): interface not active [ 3097.796709] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. [ 3097.818758] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. [ 3097.864982] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 3097.880297] batman_adv: batadv0: Adding interface: veth309 [ 3097.885948] batman_adv: batadv0: The MTU of interface veth309 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 13:40:47 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0xc3ffffff, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) 13:40:47 executing program 4: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xf) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) r1 = socket$vsock_stream(0x28, 0x1, 0x0) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0}, &(0x7f0000cab000)=0xc) setresuid(0x0, r2, 0x0) r3 = socket$inet_icmp_raw(0x2, 0x3, 0x1) getsockopt$sock_cred(r3, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0, 0x0}, 0x0) setresgid(0x0, 0x0, r4) chown(&(0x7f0000000040)='./file0\x00', 0x0, r4) lchown(&(0x7f0000000040)='./file0\x00', r2, r4) r5 = open(&(0x7f0000000140)='./file0\x00', 0x40002, 0x8) sendfile(r5, 0xffffffffffffffff, 0x0, 0x2008000fffffffe) r6 = open(&(0x7f0000000140)='./file0\x00', 0x40002, 0x8) sendfile(r6, 0xffffffffffffffff, 0x0, 0x2008000fffffffe) ioctl$VIDIOC_G_EXT_CTRLS(r5, 0xc0205647, &(0x7f0000000140)={0xfffffff, 0x1000, 0xa72, r6, 0x0, &(0x7f0000000100)={0x990a6b, 0x8, [], @p_u16=&(0x7f00000000c0)=0x1}}) write$UHID_INPUT2(r7, &(0x7f0000000180)={0xc, {0xce, "ad8153b461c4ac935ba31a100fd84ae0c6f6c978a5d892ff8ad0d6a9ca1b2dc64ee37459a52996dc32be92d0cac32649071393be4de1d949b5c0f0feee4c8d2c7783025163f2bcd74ef51382ba3df2b454863b958dac6bebb8a45d233573d16dd59742e38be58ab3b9ec68d38dbb3192eb38640b6b9e84f375869c91385cd106ac1ae66de6ebe507ea08fa421ec1b27f6d64fc382b4a07c0983e7a57f7e685ee21e87bd9a5070f887b39080216c7ab9431ce3380a7818d2a5854564a527d6700bfc4fb8cd36c18bf044fea1002c3"}}, 0xd4) [ 3097.952739] batman_adv: batadv0: Not using interface veth309 (retrying later): interface not active [ 3097.968955] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. [ 3098.018062] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. [ 3098.050931] batman_adv: batadv0: Adding interface: veth145 13:40:47 executing program 4: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xf) r1 = dup(0xffffffffffffffff) ioctl$BLKIOMIN(r1, 0x1278, 0x0) write$P9_RSETATTR(r1, &(0x7f0000000180)={0x7}, 0x7) write$P9_RATTACH(r1, &(0x7f0000000100)={0xfffffffffffffd85, 0x69, 0x4001, {0x40, 0x2, 0x207}}, 0xd) r2 = dup(r1) ioctl$RNDGETENTCNT(r2, 0x80045200, &(0x7f0000000040)) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) 13:40:47 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x4c, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) [ 3098.056599] batman_adv: batadv0: The MTU of interface veth145 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 13:40:47 executing program 4: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xf) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) r1 = open(&(0x7f0000000140)='./file0\x00', 0x40002, 0x8) r2 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000180)='/dev/ubi_ctrl\x00', 0x694800, 0x0) ioctl$SG_GET_ACCESS_COUNT(r2, 0x2289, &(0x7f00000001c0)) sendfile(r1, 0xffffffffffffffff, 0x0, 0x2008000fffffffe) r3 = open(&(0x7f0000000140)='./file0\x00', 0x40002, 0x8) sendfile(r3, 0xffffffffffffffff, 0x0, 0x2008000fffffffe) getsockopt$inet_sctp6_SCTP_AUTO_ASCONF(r3, 0x84, 0x1e, &(0x7f00000000c0), &(0x7f0000000100)=0x4) ioctl$F2FS_IOC_RESERVE_COMPRESS_BLOCKS(r0, 0x8008f513, &(0x7f0000000040)) [ 3098.133017] batman_adv: batadv0: Not using interface veth145 (retrying later): interface not active [ 3098.147156] batman_adv: batadv0: Removing interface: veth145 13:40:47 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0xf0ffffff, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) 13:40:47 executing program 3: ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x3f00, &(0x7f0000000200)={&(0x7f0000000640)=@newlink={0x1e, 0x11, 0x40d, 0x0, 0x0, {0x5, 0x0, 0x0, r3}}, 0x20}, 0x1, 0x3f00}, 0x0) [ 3098.179237] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. 13:40:47 executing program 4: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) r1 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000240)='/dev/vcs\x00', 0x10002, 0x0) r2 = open(&(0x7f0000000140)='./file0\x00', 0x40002, 0x8) sendfile(r2, 0xffffffffffffffff, 0x0, 0x2008000fffffffe) ioctl$KDSKBMODE(r2, 0x4b45, &(0x7f0000000500)=0x4) sendfile(r1, 0xffffffffffffffff, 0x0, 0x200800100000001) ioctl$sock_SIOCSIFBR(0xffffffffffffffff, 0x8941, &(0x7f0000000040)=@get={0x1, &(0x7f00000000c0)=""/197, 0xfffffffffffffffe}) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xf) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)=0xffffffff) r3 = dup(0xffffffffffffffff) ioctl$BLKIOMIN(r3, 0x1278, 0x0) ioctl$BLKIOMIN(0xffffffffffffffff, 0x1278, 0x0) write$P9_RSETATTR(0xffffffffffffffff, &(0x7f0000000180)={0x7}, 0x7) write$P9_RATTACH(0xffffffffffffffff, &(0x7f0000000100)={0xfffffffffffffd85, 0x69, 0x4001, {0x40, 0x2, 0x207}}, 0xd) ioctl$DRM_IOCTL_MODESET_CTL(0xffffffffffffffff, 0x40086408, &(0x7f0000000540)={0xfc, 0x5262}) write$P9_RSETATTR(r3, &(0x7f0000000180)={0x7}, 0x7) write$P9_RATTACH(r3, &(0x7f0000000100)={0xfffffffffffffd85, 0x69, 0x4001, {0x40, 0x2, 0x207}}, 0xd) r4 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000280)='/dev/sequencer\x00', 0xb0200, 0x0) ioctl$VHOST_SET_VRING_ADDR(r4, 0x4028af11, &(0x7f00000004c0)={0x0, 0x1, &(0x7f00000002c0)=""/235, &(0x7f00000003c0)=""/104, &(0x7f0000000440)=""/70, 0x4}) ioctl$VIDIOC_G_TUNER(r3, 0xc054561d, &(0x7f00000001c0)={0x9, "78d7017a355b62c589845936f01c1633524d6014be7687753ea03f03a6fcd558", 0x2, 0x800, 0x9, 0x7ff, 0x1, 0x3, 0xff, 0x9}) [ 3098.238244] batman_adv: batadv0: Adding interface: veth269 [ 3098.256100] batman_adv: batadv0: The MTU of interface veth269 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 3098.327929] batman_adv: batadv0: Not using interface veth269 (retrying later): interface not active [ 3098.364670] batman_adv: batadv0: Adding interface: veth147 13:40:47 executing program 4: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0x11) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) [ 3098.378261] batman_adv: batadv0: The MTU of interface veth147 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 3098.428249] batman_adv: batadv0: Not using interface veth147 (retrying later): interface not active [ 3098.474566] batman_adv: batadv0: Adding interface: veth311 [ 3098.482023] batman_adv: batadv0: The MTU of interface veth311 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 3098.507921] batman_adv: batadv0: Not using interface veth311 (retrying later): interface not active 13:40:48 executing program 2: openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(0xffffffffffffffff, 0x4020ae46, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000000000/0x18000)=nil, &(0x7f00000000c0)=[@text64={0x40, 0x0}], 0x1, 0x0, 0x0, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r4}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x3f10, &(0x7f0000000200)={&(0x7f0000000640)=@newlink={0x20, 0x11, 0x40d, 0xa, 0x0, {0x5, 0x0, 0x0, r4}}, 0x20}, 0x1, 0x3f00}, 0x0) 13:40:48 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0xddc1fff0, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) 13:40:48 executing program 3: ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x3f00, &(0x7f0000000200)={&(0x7f0000000640)=@newlink={0xc0, 0x11, 0x40d, 0x0, 0x0, {0x5, 0x0, 0x0, r3}}, 0x20}, 0x1, 0x3f00}, 0x0) 13:40:48 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0xffffa888, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) 13:40:48 executing program 4: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000040)=0x3) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) 13:40:48 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x60, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) [ 3098.758547] batman_adv: batadv0: Adding interface: veth147 [ 3098.765606] batman_adv: batadv0: The MTU of interface veth147 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 13:40:48 executing program 4: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xf) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) r1 = dup(0xffffffffffffffff) ioctl$BLKIOMIN(r1, 0x1278, 0x0) write$P9_RSETATTR(r1, &(0x7f0000000180)={0x7}, 0x7) write$P9_RATTACH(r1, &(0x7f0000000100)={0xfffffffffffffd85, 0x69, 0x4001, {0x40, 0x2, 0x207}}, 0xd) ioctl$TCSETAF(r1, 0x5408, &(0x7f0000000140)={0x20, 0x2, 0x8000, 0x1000, 0x5, "82a601d205686425"}) r2 = dup(0xffffffffffffffff) r3 = socket$vsock_stream(0x28, 0x1, 0x0) getsockopt$sock_cred(r3, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0}, &(0x7f0000cab000)=0xc) setresuid(0x0, r4, 0x0) fstat(r0, &(0x7f0000000440)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) lchown(&(0x7f00000000c0)='./file0\x00', r4, r5) ioctl$BLKIOMIN(r2, 0x1278, 0x0) write$P9_RSETATTR(r2, &(0x7f0000000180)={0x7}, 0x7) write$P9_RATTACH(r2, &(0x7f0000000280)={0x14, 0x69, 0x4001, {0x40, 0x2, 0x207}}, 0x14) write$P9_RATTACH(0xffffffffffffffff, &(0x7f0000000100)={0xfffffffffffffd85, 0x69, 0x4001, {0x40, 0x2, 0x207}}, 0xd) sendmsg$IPSET_CMD_ADD(0xffffffffffffffff, &(0x7f0000000340)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f0000000300)={&(0x7f0000000380)=ANY=[@ANYBLOB="480000000906010100000000000b11e960108dc27beb3b0cbc00000005000006050001000700000008000940000067a401000880100007800c0001800b000140ac14141d100007800900120073797a3100000000a0c09739f2280bf8c8cd5c49a43d5019615ef1a0d133268bb6c84c7053665be17080c7ebb89778d3f166b6f759652ebca408621bbe70bb6ac6763bb61ee0000ed3a34e07ea93944100000000000000"], 0x48}, 0x1, 0x0, 0x0, 0x20000000}, 0x40000) ioctl$TCSETSF2(r2, 0x402c542d, &(0x7f0000000040)={0x4, 0x42a, 0x2, 0x100000, 0x7f, "2566103fbace07c80027d5e64c36126403bbc3", 0xd9f, 0x7}) [ 3098.846393] batman_adv: batadv0: Not using interface veth147 (retrying later): interface not active [ 3098.896878] batman_adv: batadv0: Removing interface: veth147 [ 3098.951648] batman_adv: batadv0: Adding interface: veth271 [ 3098.967856] batman_adv: batadv0: The MTU of interface veth271 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 13:40:48 executing program 4: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) r1 = socket$inet_icmp_raw(0x2, 0x3, 0x1) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0, 0x0}, 0x0) setresgid(0x0, 0x0, r2) chown(&(0x7f0000000040)='./file0\x00', 0x0, r2) r3 = socket$inet_icmp_raw(0x2, 0x3, 0x1) getsockopt$sock_cred(r3, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0, 0x0}, 0x0) setresgid(0x0, 0x0, r4) r5 = dup(0xffffffffffffffff) ioctl$BLKIOMIN(r5, 0x1278, 0x0) ioctl$VT_RELDISP(0xffffffffffffffff, 0x5605) write$P9_RSETATTR(r5, &(0x7f0000000180)={0x7}, 0x7) write$P9_RATTACH(r5, &(0x7f0000000100)={0xfffffffffffffd85, 0x69, 0x4001, {0x40, 0x2, 0x207}}, 0xd) recvmsg$can_bcm(r5, &(0x7f00000005c0)={&(0x7f00000000c0)=@pppol2tp={0x18, 0x1, {0x0, 0xffffffffffffffff, {0x2, 0x0, @remote}}}, 0x80, &(0x7f00000004c0)=[{&(0x7f0000000140)=""/16, 0x10}, {&(0x7f0000000180)=""/85, 0x55}, {&(0x7f0000000680)=""/195, 0xc3}, {&(0x7f00000002c0)=""/227, 0xe3}, {&(0x7f00000003c0)=""/112, 0x70}, {&(0x7f0000000440)=""/78, 0x4e}], 0x6, &(0x7f0000000540)=""/83, 0x53}, 0x10100) setsockopt$TIPC_SRC_DROPPABLE(r6, 0x10f, 0x80, &(0x7f0000000600)=0xb0, 0x4) chown(&(0x7f0000000040)='./file0\x00', 0x0, r4) setresgid(0xffffffffffffffff, r2, r4) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xf) r7 = syz_open_dev$tty1(0xc, 0x4, 0x2) ioctl$TIOCSETD(r7, 0x5412, &(0x7f0000000640)=0x40000) [ 3099.034092] batman_adv: batadv0: Not using interface veth271 (retrying later): interface not active 13:40:48 executing program 4: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xf) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) r1 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000040)='/dev/btrfs-control\x00', 0x2, 0x0) r2 = syz_genetlink_get_family_id$tipc2(&(0x7f00000000c0)='TIPCv2\x00') sendmsg$TIPC_NL_MON_SET(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000100)={0x38, r2, 0x2, 0x70bd26, 0x25dfdbfc, {}, [@TIPC_NLA_NET={0x24, 0x7, 0x0, 0x1, [@TIPC_NLA_NET_ID={0x8, 0x1, 0x10000}, @TIPC_NLA_NET_NODEID={0xc, 0x3, 0x1}, @TIPC_NLA_NET_NODEID_W1={0xc, 0x4, 0x10000}]}]}, 0x38}, 0x1, 0x0, 0x0, 0x24004050}, 0x1) sendmsg$TIPC_NL_NET_GET(r1, &(0x7f00000001c0)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f0000000180)={&(0x7f0000000100)={0x48, r2, 0x300, 0x70bd2d, 0x25dfdbfc, {}, [@TIPC_NLA_PUBL={0x34, 0x3, 0x0, 0x1, [@TIPC_NLA_PUBL_TYPE={0x8, 0x1, 0x2}, @TIPC_NLA_PUBL_LOWER={0x8, 0x2, 0x400}, @TIPC_NLA_PUBL_TYPE={0x8, 0x1, 0x1}, @TIPC_NLA_PUBL_UPPER={0x8, 0x3, 0x5c0}, @TIPC_NLA_PUBL_UPPER={0x8, 0x3, 0x2}, @TIPC_NLA_PUBL_UPPER={0x8, 0x3, 0x9}]}]}, 0x48}, 0x1, 0x0, 0x0, 0x40000}, 0x804) [ 3099.080381] batman_adv: batadv0: Adding interface: veth313 [ 3099.088583] batman_adv: batadv0: The MTU of interface veth313 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 13:40:48 executing program 4: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xf) r1 = open(&(0x7f0000000140)='./file0\x00', 0x40002, 0x8) sendfile(r1, 0xffffffffffffffff, 0x0, 0x2008000fffffffe) ioctl$RFKILL_IOCTL_NOINPUT(r1, 0x5201) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) [ 3099.184078] batman_adv: batadv0: Not using interface veth313 (retrying later): interface not active [ 3099.227048] batman_adv: batadv0: Adding interface: veth151 [ 3099.236740] batman_adv: batadv0: The MTU of interface veth151 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 3099.278143] batman_adv: batadv0: Not using interface veth151 (retrying later): interface not active 13:40:48 executing program 3: ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x3f00, &(0x7f0000000200)={&(0x7f0000000640)=@newlink={0x6c0, 0x11, 0x40d, 0x0, 0x0, {0x5, 0x0, 0x0, r3}}, 0x20}, 0x1, 0x3f00}, 0x0) 13:40:48 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x68, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) [ 3099.378054] batman_adv: batadv0: Adding interface: veth147 [ 3099.383805] batman_adv: batadv0: The MTU of interface veth147 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 13:40:49 executing program 2: openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(0xffffffffffffffff, 0x4020ae46, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000000000/0x18000)=nil, &(0x7f00000000c0)=[@text64={0x40, 0x0}], 0x1, 0x0, 0x0, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r4}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x3f13, &(0x7f0000000200)={&(0x7f0000000640)=@newlink={0x20, 0x11, 0x40d, 0xa, 0x0, {0x5, 0x0, 0x0, r4}}, 0x20}, 0x1, 0x3f00}, 0x0) 13:40:49 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0xe4ffffff, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) 13:40:49 executing program 4: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) r1 = dup(0xffffffffffffffff) ioctl$BLKIOMIN(r1, 0x1278, 0x0) write$P9_RSETATTR(r1, &(0x7f0000000180)={0x7}, 0x7) write$P9_RATTACH(r1, &(0x7f0000000100)={0xfffffffffffffd85, 0x69, 0x4001, {0x40, 0x2, 0x207}}, 0xd) r2 = dup(0xffffffffffffffff) ioctl$BLKIOMIN(r2, 0x1278, 0x0) write$P9_RSETATTR(r2, &(0x7f0000000180)={0x7}, 0x7) write$P9_RATTACH(r2, &(0x7f0000000100)={0xfffffffffffffd85, 0x69, 0x4001, {0x40, 0x2, 0x207}}, 0xd) bind$vsock_stream(r2, &(0x7f00000000c0)={0x28, 0x0, 0x2710, @host}, 0x10) r3 = open(&(0x7f0000000140)='./file0\x00', 0x40002, 0x8) sendfile(r3, 0xffffffffffffffff, 0x0, 0x2008000fffffffe) ioctl$TIOCSETD(r3, 0x5423, &(0x7f0000000080)=0x18) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) setsockopt$sock_timeval(r3, 0x1, 0x15, &(0x7f0000000040), 0x10) [ 3099.446424] batman_adv: batadv0: Not using interface veth147 (retrying later): interface not active [ 3099.479883] batman_adv: batadv0: Adding interface: veth153 13:40:49 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0xfffff000, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) [ 3099.502139] batman_adv: batadv0: The MTU of interface veth153 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 13:40:49 executing program 4: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) r1 = dup(0xffffffffffffffff) ioctl$BLKIOMIN(r1, 0x1278, 0x0) write$P9_RSETATTR(r1, &(0x7f0000000180)={0x7}, 0x7) write$P9_RATTACH(r1, &(0x7f0000000100)={0xfffffffffffffd85, 0x69, 0x4001, {0x40, 0x2, 0x207}}, 0xd) r2 = accept4(r1, &(0x7f00000000c0)=@ll={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @remote}, &(0x7f0000000040)=0x80, 0x0) setsockopt$inet_tcp_TLS_RX(r2, 0x6, 0x2, &(0x7f0000000140)=@gcm_256={{0x303}, "7bfb3ecb409779cd", "4a38eef5ee02bedce57fbbc08d37b37ed13ba587371b38f66797f62aa278fda8", "843a6b29", "3d7448b51849356f"}, 0x38) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xf) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) [ 3099.570373] batman_adv: batadv0: Not using interface veth153 (retrying later): interface not active 13:40:49 executing program 4: openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) r0 = dup(0xffffffffffffffff) ioctl$BLKIOMIN(r0, 0x1278, 0x0) write$P9_RSETATTR(r0, &(0x7f0000000180)={0x7}, 0x7) write$P9_RATTACH(r0, &(0x7f0000000100)={0xfffffffffffffd85, 0x69, 0x4001, {0x40, 0x2, 0x207}}, 0xd) r1 = socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nl80211(&(0x7f00000003c0)='nl80211\x00') sendmsg$NL80211_CMD_GET_SCAN(r1, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000240)={0x20, r2, 0xab9535e9a6578fc1, 0x0, 0x0, {0x5}, [@NL80211_ATTR_WDEV={0xc}]}, 0x20}}, 0x0) getsockname$packet(0xffffffffffffffff, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xe) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)=ANY=[@ANYBLOB="662a38000000240007050000004007a2a300", @ANYRES32=r3, @ANYBLOB="000070d5fffffdff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000300)=ANY=[@ANYBLOB='h\x00\x00\x00,\x00\'\r\x00'/20, @ANYRES32=r3, @ANYBLOB], 0x68}}, 0x0) sendmsg$NL80211_CMD_GET_MESH_CONFIG(r0, &(0x7f0000000200)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000140)={0x28, r2, 0x400, 0x70bd27, 0x25dfdbfd, {}, [@NL80211_ATTR_IFINDEX={0x8, 0x3, r3}, @NL80211_ATTR_WDEV={0xc, 0x99, {0x8, 0x1}}]}, 0x28}}, 0x20040002) r4 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x94200, 0x0) ioctl$TIOCSETD(r4, 0x5423, &(0x7f0000000080)=0x200000b) r5 = open(&(0x7f0000000140)='./file0\x00', 0x40002, 0x8) sendfile(r5, 0xffffffffffffffff, 0x0, 0x2008000fffffffe) r6 = openat$cgroup_ro(r5, &(0x7f0000000280)='cgroup.events\x00', 0x0, 0x0) ioctl$TIOCSETD(r6, 0x5412, &(0x7f0000000000)=0x1) 13:40:49 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x6c, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) [ 3099.709691] batman_adv: batadv0: Adding interface: veth149 [ 3099.715366] batman_adv: batadv0: The MTU of interface veth149 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 3099.754983] batman_adv: batadv0: Not using interface veth149 (retrying later): interface not active [ 3099.775478] batman_adv: batadv0: Adding interface: veth317 [ 3099.782375] batman_adv: batadv0: The MTU of interface veth317 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 3099.811280] batman_adv: batadv0: Not using interface veth317 (retrying later): interface not active [ 3099.829214] batman_adv: batadv0: Adding interface: veth273 [ 3099.834859] batman_adv: batadv0: The MTU of interface veth273 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 13:40:49 executing program 3: ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x3f00, &(0x7f0000000200)={&(0x7f0000000640)=@newlink={0xec0, 0x11, 0x40d, 0x0, 0x0, {0x5, 0x0, 0x0, r3}}, 0x20}, 0x1, 0x3f00}, 0x0) [ 3099.862980] batman_adv: batadv0: Not using interface veth273 (retrying later): interface not active [ 3099.876862] batman_adv: batadv0: Removing interface: veth149 13:40:49 executing program 4: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xf) r1 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000040)='/dev/ubi_ctrl\x00', 0x1a5000, 0x0) getsockname$packet(0xffffffffffffffff, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0xe) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000080)=ANY=[@ANYBLOB="662a3800000024000705f2ff004007a2a300", @ANYRES32=r2, @ANYBLOB="000070d5fffffdff00000000090001006866736300000000080002"], 0x38}}, 0x0) r3 = syz_open_dev$ttys(0xc, 0x2, 0x1) ioctl$KDENABIO(r3, 0x4b36) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000300)=ANY=[@ANYBLOB='h\x00\x00\x00,\x00\'\r\x00'/20, @ANYRES32=r2, @ANYBLOB], 0x68}}, 0x0) setsockopt$inet_mreqn(r1, 0x0, 0x24, &(0x7f00000000c0)={@local, @empty, r2}, 0xc) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) [ 3099.940587] batman_adv: batadv0: Adding interface: veth155 [ 3099.946255] batman_adv: batadv0: The MTU of interface veth155 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 13:40:49 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0xee8d0a00, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) [ 3099.982855] batman_adv: batadv0: Not using interface veth155 (retrying later): interface not active 13:40:49 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0xffffff7f, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) 13:40:49 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x74, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) 13:40:49 executing program 2: openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(0xffffffffffffffff, 0x4020ae46, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000000000/0x18000)=nil, &(0x7f00000000c0)=[@text64={0x40, 0x0}], 0x1, 0x0, 0x0, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r4}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x3f60, &(0x7f0000000200)={&(0x7f0000000640)=@newlink={0x20, 0x11, 0x40d, 0xa, 0x0, {0x5, 0x0, 0x0, r4}}, 0x20}, 0x1, 0x3f00}, 0x0) 13:40:49 executing program 3: ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x3f00, &(0x7f0000000200)={&(0x7f0000000640)=@newlink={0x33fe0, 0x11, 0x40d, 0x0, 0x0, {0x5, 0x0, 0x0, r3}}, 0x20}, 0x1, 0x3f00}, 0x0) 13:40:49 executing program 4: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x4040, 0x0) r1 = openat$autofs(0xffffffffffffff9c, &(0x7f0000000040)='/dev/autofs\x00', 0x88002, 0x0) r2 = ioctl$TIOCGPTPEER(0xffffffffffffffff, 0x5441, 0x9) r3 = syz_open_procfs$namespace(0x0, &(0x7f00000000c0)='ns/mnt\x00') setns(0xffffffffffffffff, 0x10000000) ioctl$F2FS_IOC_MOVE_RANGE(r0, 0xc020f509, &(0x7f00000000c0)={r3, 0x2, 0x768, 0x5}) ioctl$TIOCSETD(r2, 0x5423, &(0x7f0000000080)=0xc) sendmmsg$inet_sctp(0xffffffffffffffff, &(0x7f0000002cc0)=[{0x0, 0x29e, 0x0, 0x0, &(0x7f00000016c0)=[@sndinfo={0x20, 0x84, 0x2, {0x0, 0x4}}], 0x20}], 0x1, 0x0) setsockopt$inet_sctp_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffffff, 0x84, 0x18, &(0x7f0000000000)={0x0, 0x9}, 0x8) r5 = socket$inet(0x2, 0x4000000000000001, 0x0) sendto$inet(r5, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) r6 = socket(0xa, 0x1, 0x0) close(r6) r7 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r7, 0x84, 0x6e, &(0x7f0000000180)=[@in6={0xa, 0x0, 0x0, @remote, 0x9}], 0x1c) getsockopt$inet_sctp6_SCTP_GET_ASSOC_ID_LIST(r7, 0x84, 0x1d, &(0x7f000095dff8)=ANY=[@ANYBLOB="01c0daf1", @ANYRES32=0x0], &(0x7f000095dffc)=0x8) sendmmsg$inet_sctp(r6, &(0x7f0000002cc0)=[{0x0, 0x0, 0x0, 0x0, &(0x7f0000000200)=ANY=[], 0x20}], 0x1, 0x14048000) setsockopt$inet_sctp_SCTP_AUTH_ACTIVE_KEY(r5, 0x84, 0x18, &(0x7f0000000000)={r8, 0x9}, 0x8) getsockopt$inet_sctp6_SCTP_STATUS(r1, 0x84, 0xe, &(0x7f0000000100)={0x0, 0x3ff, 0x3, 0x2, 0x80, 0xfff9, 0x5e2f, 0x3f0, {r8, @in={{0x2, 0x4e21, @multicast1}}, 0x10, 0xff, 0xae69, 0xfffff801, 0x1}}, &(0x7f00000001c0)=0xb0) ioctl$TIOCSETD(r4, 0x5412, &(0x7f0000000240)=0x17) [ 3100.203575] batman_adv: batadv0: Adding interface: veth275 [ 3100.214045] batman_adv: batadv0: The MTU of interface veth275 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 3100.278807] batman_adv: batadv0: Not using interface veth275 (retrying later): interface not active [ 3100.292082] batman_adv: batadv0: Adding interface: veth319 [ 3100.298326] batman_adv: batadv0: The MTU of interface veth319 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 3100.323701] batman_adv: batadv0: Not using interface veth319 (retrying later): interface not active [ 3100.375756] batman_adv: batadv0: Adding interface: veth157 [ 3100.381829] batman_adv: batadv0: The MTU of interface veth157 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 3100.407200] batman_adv: batadv0: Not using interface veth157 (retrying later): interface not active [ 3100.434480] batman_adv: batadv0: Adding interface: veth151 [ 3100.440747] batman_adv: batadv0: The MTU of interface veth151 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 3100.467148] batman_adv: batadv0: Not using interface veth151 (retrying later): interface not active 13:40:50 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0xef8d0a00, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) [ 3100.501697] batman_adv: batadv0: Removing interface: veth151 13:40:50 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x7a, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) 13:40:50 executing program 3: ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x3f00, &(0x7f0000000200)={&(0x7f0000000640)=@newlink={0x20000660, 0x11, 0x40d, 0x0, 0x0, {0x5, 0x0, 0x0, r3}}, 0x20}, 0x1, 0x3f00}, 0x0) 13:40:50 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0xffffff9e, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) [ 3100.588156] batman_adv: batadv0: Adding interface: veth151 [ 3100.633868] batman_adv: batadv0: The MTU of interface veth151 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 3100.678359] batman_adv: batadv0: Not using interface veth151 (retrying later): interface not active [ 3100.692596] batman_adv: batadv0: Removing interface: veth151 [ 3100.774826] batman_adv: batadv0: Adding interface: veth277 [ 3100.780717] batman_adv: batadv0: The MTU of interface veth277 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 3100.806237] batman_adv: batadv0: Not using interface veth277 (retrying later): interface not active [ 3100.820963] batman_adv: batadv0: Adding interface: veth323 [ 3100.826935] batman_adv: batadv0: The MTU of interface veth323 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 3100.854046] batman_adv: batadv0: Not using interface veth323 (retrying later): interface not active [ 3100.868158] batman_adv: batadv0: Adding interface: veth159 [ 3100.873803] batman_adv: batadv0: The MTU of interface veth159 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 3100.902693] batman_adv: batadv0: Not using interface veth159 (retrying later): interface not active 13:40:50 executing program 2: openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(0xffffffffffffffff, 0x4020ae46, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000000000/0x18000)=nil, &(0x7f00000000c0)=[@text64={0x40, 0x0}], 0x1, 0x0, 0x0, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r4}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x4000, &(0x7f0000000200)={&(0x7f0000000640)=@newlink={0x20, 0x11, 0x40d, 0xa, 0x0, {0x5, 0x0, 0x0, r4}}, 0x20}, 0x1, 0x3f00}, 0x0) 13:40:50 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0xf08d0a00, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) 13:40:50 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0xf0, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) 13:40:50 executing program 3: ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x3f00, &(0x7f0000000200)={&(0x7f0000000640)=@newlink={0x7ffff000, 0x11, 0x40d, 0x0, 0x0, {0x5, 0x0, 0x0, r3}}, 0x20}, 0x1, 0x3f00}, 0x0) 13:40:50 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0xffffffc3, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) [ 3101.106843] batman_adv: batadv0: Adding interface: veth161 [ 3101.118986] batman_adv: batadv0: The MTU of interface veth161 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 13:40:50 executing program 4: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xf) r1 = open(&(0x7f0000000140)='./file0\x00', 0x40002, 0x8) r2 = dup(0xffffffffffffffff) ioctl$BLKIOMIN(r2, 0x1278, 0x0) write$P9_RSETATTR(r2, &(0x7f0000000180)={0x7}, 0x7) r3 = dup(0xffffffffffffffff) ioctl$BLKIOMIN(r3, 0x1278, 0x0) ioctl$sock_SIOCETHTOOL(r3, 0x8946, &(0x7f0000000280)={'bridge_slave_0\x00', &(0x7f0000000240)=@ethtool_cmd={0xb, 0x10000, 0x8001, 0x0, 0x4e, 0x8, 0x5, 0x0, 0x3, 0x92, 0x2, 0x9, 0xfffe, 0x0, 0x80, 0xffffffff, [0x8, 0x80000000]}}) write$P9_RSETATTR(r3, &(0x7f0000000180)={0x7}, 0x7) write$P9_RATTACH(r3, &(0x7f0000000100)={0xfffffffffffffd85, 0x69, 0x4001, {0x40, 0x2, 0x207}}, 0xd) write$FUSE_POLL(r3, &(0x7f0000000200)={0x18, 0x0, 0x7, {0x183}}, 0x18) write$P9_RATTACH(r2, &(0x7f0000000100)={0xfffffffffffffd85, 0x69, 0x4001, {0x40, 0x2, 0x207}}, 0xd) r4 = openat$md(0xffffffffffffff9c, &(0x7f00000001c0)='/dev/md0\x00', 0x2, 0x0) sendfile(r2, r4, 0x0, 0x8000007) r5 = open(&(0x7f0000000140)='./file0\x00', 0x40002, 0x8) sendfile(r5, 0xffffffffffffffff, 0x0, 0x2008000fffffffe) ioctl$SECCOMP_IOCTL_NOTIF_RECV(r5, 0xc0502100, &(0x7f00000000c0)={0x0}) ioctl$SECCOMP_IOCTL_NOTIF_SEND(r1, 0xc0182101, &(0x7f0000000040)={r6, 0x6}) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) [ 3101.159600] batman_adv: batadv0: Not using interface veth161 (retrying later): interface not active [ 3101.203755] batman_adv: batadv0: Adding interface: veth151 [ 3101.212125] batman_adv: batadv0: The MTU of interface veth151 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 3101.237398] batman_adv: batadv0: Not using interface veth151 (retrying later): interface not active [ 3101.253968] batman_adv: batadv0: Adding interface: veth279 [ 3101.260131] batman_adv: batadv0: The MTU of interface veth279 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 3101.287162] batman_adv: batadv0: Not using interface veth279 (retrying later): interface not active 13:40:50 executing program 4: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x200000, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xf) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) signalfd4(r0, &(0x7f0000000040)={[0x3]}, 0x8, 0xc00) [ 3101.322699] batman_adv: batadv0: Adding interface: veth325 [ 3101.337430] batman_adv: batadv0: The MTU of interface veth325 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 3101.364840] batman_adv: batadv0: Not using interface veth325 (retrying later): interface not active [ 3101.382617] batman_adv: batadv0: Removing interface: veth151 13:40:51 executing program 4: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0x200f) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) 13:40:51 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0xf0ffc1dd, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) 13:40:51 executing program 3: ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x3f00, &(0x7f0000000200)={&(0x7f0000000640)=@newlink={0x20, 0xf, 0x40d, 0x0, 0x0, {0x5, 0x0, 0x0, r3}}, 0x20}, 0x1, 0x3f00}, 0x0) 13:40:51 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x300, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) 13:40:51 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0xffffffe4, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) [ 3101.491525] batman_adv: batadv0: Adding interface: veth151 [ 3101.497410] batman_adv: batadv0: The MTU of interface veth151 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 3101.563333] batman_adv: batadv0: Not using interface veth151 (retrying later): interface not active [ 3101.591757] batman_adv: batadv0: Removing interface: veth151 [ 3101.657318] batman_adv: batadv0: Adding interface: veth281 [ 3101.663818] batman_adv: batadv0: The MTU of interface veth281 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 3101.671559] SELinux: unrecognized netlink message: protocol=0 nlmsg_type=15 sclass=netlink_route_socket pid=15641 comm=syz-executor.3 [ 3101.692180] batman_adv: batadv0: Not using interface veth281 (retrying later): interface not active [ 3101.774000] batman_adv: batadv0: Adding interface: veth327 [ 3101.786739] batman_adv: batadv0: The MTU of interface veth327 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 3101.814110] batman_adv: batadv0: Not using interface veth327 (retrying later): interface not active [ 3101.827355] batman_adv: batadv0: Adding interface: veth163 [ 3101.837620] batman_adv: batadv0: The MTU of interface veth163 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 3101.864319] batman_adv: batadv0: Not using interface veth163 (retrying later): interface not active 13:40:51 executing program 2: openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(0xffffffffffffffff, 0x4020ae46, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000000000/0x18000)=nil, &(0x7f00000000c0)=[@text64={0x40, 0x0}], 0x1, 0x0, 0x0, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r4}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x3f00, &(0x7f0000000200)={&(0x7f0000000640)=@newlink={0x2, 0x11, 0x40d, 0xa, 0x0, {0x5, 0x0, 0x0, r4}}, 0x20}, 0x1, 0x3f00}, 0x0) 13:40:51 executing program 4: clock_gettime(0x0, &(0x7f0000000240)={0x0, 0x0}) utimes(&(0x7f0000000200)='./file0\x00', &(0x7f0000000280)={{r0, r1/1000+60000}}) r2 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040)='/dev/ptmx\x00', 0x2e0200, 0x0) ioctl$TIOCSETD(r2, 0x5423, &(0x7f0000000080)=0x10) ioctl$TIOCSETD(r2, 0x5412, &(0x7f0000000000)=0x2) r3 = dup(0xffffffffffffffff) ioctl$BLKIOMIN(r3, 0x1278, 0x0) write$P9_RSETATTR(r3, &(0x7f0000000180)={0x7}, 0x7) write$P9_RATTACH(r3, &(0x7f0000000100)={0xfffffffffffffd85, 0x69, 0x4001, {0x40, 0x2, 0x207}}, 0xd) ioctl$SNAPSHOT_UNFREEZE(r3, 0x3302) sendmsg$IPCTNL_MSG_TIMEOUT_DEFAULT_SET(r3, &(0x7f00000001c0)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000000180)={&(0x7f0000000100)=ANY=[@ANYBLOB="4c00000003080300ba00000000000000230000000500030011000000050003002f000000060902400a010000060040000203000000000000000000060002409100000006000240001b0000"], 0x4c}, 0x1, 0x0, 0x0, 0x10}, 0x4004045) 13:40:51 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0xf0ffffff, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) 13:40:51 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x500, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) 13:40:51 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0xfffffff0, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) 13:40:51 executing program 3: ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x3f00, &(0x7f0000000200)={&(0x7f0000000640)=@newlink={0x20, 0x10, 0x40d, 0x0, 0x0, {0x5, 0x0, 0x0, r3}}, 0x20}, 0x1, 0x3f00}, 0x0) 13:40:51 executing program 4: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xf) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) r1 = dup(0xffffffffffffffff) ioctl$BLKIOMIN(r1, 0x1278, 0x0) write$P9_RSETATTR(r1, &(0x7f0000000180)={0x7}, 0x7) r2 = dup(0xffffffffffffffff) ioctl$BLKIOMIN(r2, 0x1278, 0x0) write$P9_RSETATTR(r2, &(0x7f0000000180)={0x7}, 0x7) write$P9_RATTACH(r2, &(0x7f0000000100)={0xfffffffffffffd85, 0x69, 0x4001, {0x40, 0x2, 0x207}}, 0xd) ioctl$sock_SIOCGIFVLAN_GET_VLAN_REALDEV_NAME_CMD(r2, 0x8982, &(0x7f0000003780)={0x8, 'veth1_macvtap\x00', {'vlan1\x00'}, 0x2}) write$P9_RATTACH(r1, &(0x7f0000000100)={0xfffffffffffffd85, 0x69, 0x4001, {0x40, 0x2, 0x207}}, 0xd) sendmsg(r1, &(0x7f0000003740)={&(0x7f00000000c0)=@can, 0x80, &(0x7f0000002540)=[{&(0x7f0000000140)="e364cb3e11b58f5e7c6571653e8abb511c2acb2616688eaf51982424637ceb794359b3117a8ce47c24349f81bf2f1a051b3017443c6f9edee63fb96e3e3cd3febc1cbc4dc3081161528ff226867cdc31380e5313c6e95a1eb02eb9c3646a2a24b4f7bc0afaf6d7812f4a346815563d9bdf4639c0002bbc45761424b135c02efeb204", 0x82}, {&(0x7f0000000200)="437ae354fbbe95ac1e1401ecbdad06bc01df2de0998ab48b2aa730097ba4c261db7d7e2395ada6973afa7bef6e0065eea3222c2b47f2cfece3722b740dee6ffe62fdb4d81df61f4577ba05cf23a28fc42d315a5c7c093627c23e956ee136ea63c6eca111098dfc2d73aa32e92c90519546aff7a9d8061e9dca3fc0109428d9645642e725b10bbf4610c73e4ac8f0446dad0e44c46f2958764dbbaa6ca1dae9596495c65d363a4f7461f7e231e6e83b176028eabdcbe4a31145c99473bbd5d2df12aa261f7ae9780c19bd5a8aa0e1b5f74b5dfaa7a74ad54ce660947d9c4a92419a21cc6f72b386b97b7c9ca485d1", 0xee}, {&(0x7f0000000040)="577ef45827a653e4495eff829de3f6bbae37de766cd5f905", 0x18}, {&(0x7f0000000300)="15d569f9734ce8961ce2377b2f32644b011b883aa6fd85bb49d76270641078455d453c4b90771c91fc4a2e0f7b768ad2faa302ab29d76639df6833495a621f4ec6542fad9812d6e9f81d81f698b48eaaa8d17893189f1edc7fa93b23e492076ebed2b06a498e3947e2733b1d551997470a880422dfdae3e079a3b3f84478f1ba0490db2e29a508183de1ff6bafe39600fa3eadbf798d1917534db76c310a7b2d04fb3d5db198dbb260895af52b4f779fdff2e8c5e1053e55d95ca995b7d11abc46c3cac07cad2db76d15dd57649ba0be", 0xd0}, {&(0x7f0000000400)="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", 0x1000}, 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{0x90, 0x101, 0x4, "594e7e4d5d2d0a90837de313263bec6a2dcfabae3a7877df2a54fc4a6ec43f063b0018957d2951e4a2525430345fbafaf837268bdf623b1948bb64aa43a631ddf0cf1c51455a3fff5ac11eee07c7aa0f463ace7177f61174f34e8ad8545f68002d7c4adcfcb3c5bd9af1b398456bbb4d46af7be8b41d2a5b12a08f7d1b"}, {0x80, 0x0, 0x81, "9d8b14fec8427919e1419734fdddc166a4073e680a1fe2dea391bd16392dea7ff5601df280905135f5a75e058b92b69592065e3e563fde9a4d124d8f721cdfe9a09582d86e40f7844536bdad62f79eec4224410b217b3c4eebd1c67f36955a87fe6b060e608f6f71689bbc2c78aa7d7d"}], 0x1120}, 0x10) [ 3102.149121] batman_adv: batadv0: Adding interface: veth283 [ 3102.161137] batman_adv: batadv0: The MTU of interface veth283 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 3102.239982] batman_adv: batadv0: Not using interface veth283 (retrying later): interface not active [ 3102.255743] batman_adv: batadv0: Adding interface: veth329 [ 3102.266707] batman_adv: batadv0: The MTU of interface veth329 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 3102.297108] batman_adv: batadv0: Not using interface veth329 (retrying later): interface not active [ 3102.311691] batman_adv: batadv0: Adding interface: veth167 [ 3102.320841] batman_adv: batadv0: The MTU of interface veth167 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 3102.351672] batman_adv: batadv0: Not using interface veth167 (retrying later): interface not active [ 3102.366535] batman_adv: batadv0: Adding interface: veth151 [ 3102.373369] batman_adv: batadv0: The MTU of interface veth151 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 3102.405782] batman_adv: batadv0: Not using interface veth151 (retrying later): interface not active 13:40:52 executing program 3: ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x3f00, &(0x7f0000000200)={&(0x7f0000000640)=@newlink={0x20, 0x67, 0x40d, 0x0, 0x0, {0x5, 0x0, 0x0, r3}}, 0x20}, 0x1, 0x3f00}, 0x0) 13:40:52 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0xffffa888, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) [ 3102.500380] nla_parse: 79 callbacks suppressed [ 3102.500390] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. 13:40:52 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0xffffffff, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) 13:40:52 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x600, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) 13:40:52 executing program 2: openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(0xffffffffffffffff, 0x4020ae46, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000000000/0x18000)=nil, &(0x7f00000000c0)=[@text64={0x40, 0x0}], 0x1, 0x0, 0x0, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r4}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x3f00, &(0x7f0000000200)={&(0x7f0000000640)=@newlink={0x3, 0x11, 0x40d, 0xa, 0x0, {0x5, 0x0, 0x0, r4}}, 0x20}, 0x1, 0x3f00}, 0x0) [ 3102.598495] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. [ 3102.651017] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 3102.651195] SELinux: unrecognized netlink message: protocol=0 nlmsg_type=103 sclass=netlink_route_socket pid=15732 comm=syz-executor.3 [ 3102.701075] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. [ 3102.739191] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. [ 3102.769805] batman_adv: batadv0: Adding interface: veth285 [ 3102.790993] batman_adv: batadv0: The MTU of interface veth285 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 13:40:52 executing program 4: r0 = open(&(0x7f0000000140)='./file0\x00', 0x40002, 0x8) sendfile(r0, 0xffffffffffffffff, 0x0, 0x2008000fffffffe) r1 = socket(0x11, 0x800000003, 0x0) bind(r1, &(0x7f0000000080)=@generic={0x11, "0000010000000000080044944eeba71a4976e252922cb18f6e2e2aba000000012e0b3836005404b0e0301a4ce875f2e3ff5f163ee340b7679500800000000000000101013c5811039e15775027ecce66fd792bbf0e5bf5ff1b0816f3f6db1c00010000000000000049740000000000000006ad8e5ecc326d3a09ffc2c654"}, 0x80) getsockname$packet(r1, &(0x7f00000003c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @dev}, &(0x7f0000000000)=0x14) r2 = syz_genetlink_get_family_id$netlbl_mgmt(&(0x7f0000000200)='NLBL_MGMT\x00') sendmsg$NLBL_MGMT_C_VERSION(r1, &(0x7f0000000200)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f00000001c0)={&(0x7f0000000180)={0x1c, r2, 0x2, 0x70bd28, 0x25dfdbfb, {}, [@NLBL_MGMT_A_PROTOCOL={0x8, 0x2, 0x7}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4000}, 0x4000) sendmsg$NLBL_MGMT_C_ADDDEF(r0, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100000}, 0xc, &(0x7f0000000140)={&(0x7f00000000c0)={0x78, r2, 0x400, 0x70bd2c, 0x25dfdbfc, {}, [@NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @private2}, @NLBL_MGMT_A_DOMAIN={0xe, 0x1, '/dev/ptmx\x00'}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @ipv4={[], [], @initdev={0xac, 0x1e, 0x1, 0x0}}}, @NLBL_MGMT_A_DOMAIN={0xe, 0x1, '/dev/ptmx\x00'}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @private2}, @NLBL_MGMT_A_FAMILY={0x6, 0xb, 0x18}]}, 0x78}, 0x1, 0x0, 0x0, 0x4000010}, 0x8008091) r3 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$VT_WAITACTIVE(r3, 0x5607) ioctl$TIOCSETD(r3, 0x5423, &(0x7f0000000080)=0xf) ioctl$TIOCSETD(r3, 0x5412, &(0x7f0000000040)) [ 3102.890587] batman_adv: batadv0: Not using interface veth285 (retrying later): interface not active [ 3102.918033] batman_adv: batadv0: Adding interface: veth333 13:40:52 executing program 4: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000080)=0xf) ioctl$TCSETA(r0, 0x5406, &(0x7f00000000c0)={0x170, 0x3, 0xfff8, 0x8, 0xe, "6c1cc819236a6bf5"}) r1 = dup(0xffffffffffffffff) r2 = open(&(0x7f0000000140)='./file0\x00', 0x40002, 0x8) sendfile(r2, 0xffffffffffffffff, 0x0, 0x2008000fffffffe) syz_open_pts(r2, 0x80000) ioctl$BLKIOMIN(r1, 0x1278, 0x0) write$P9_RATTACH(r1, &(0x7f0000000100)={0xfffffffffffffd85, 0x69, 0x4001, {0x40, 0x2, 0x207}}, 0xd) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) [ 3102.923683] batman_adv: batadv0: The MTU of interface veth333 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 3102.971941] batman_adv: batadv0: Not using interface veth333 (retrying later): interface not active [ 3102.985154] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. [ 3102.994668] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. 13:40:52 executing program 3: ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x3f00, &(0x7f0000000200)={&(0x7f0000000640)=@newlink={0x20, 0x7bf, 0x40d, 0x0, 0x0, {0x5, 0x0, 0x0, r3}}, 0x20}, 0x1, 0x3f00}, 0x0) 13:40:52 executing program 4: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000040)=0x3) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) [ 3103.047770] batman_adv: batadv0: Adding interface: veth171 [ 3103.053437] batman_adv: batadv0: The MTU of interface veth171 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 3103.096732] batman_adv: batadv0: Not using interface veth171 (retrying later): interface not active [ 3103.116381] batman_adv: batadv0: Adding interface: veth153 13:40:52 executing program 4: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000040)=0x3) ioctl$TIOCSETD(r0, 0x5412, &(0x7f0000000000)) [ 3103.137830] batman_adv: batadv0: The MTU of interface veth153 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 3103.172439] SELinux: unrecognized netlink message: protocol=0 nlmsg_type=1983 sclass=netlink_route_socket pid=15770 comm=syz-executor.3 [ 3103.174399] batman_adv: batadv0: Not using interface veth153 (retrying later): interface not active 13:40:52 executing program 4: openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(0xffffffffffffffff, 0x4020ae46, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000000000/0x18000)=nil, &(0x7f00000000c0)=[@text64={0x40, 0x0}], 0x1, 0x0, 0x0, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r4}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x3f0a, &(0x7f0000000200)={&(0x7f0000000640)=@newlink={0x20, 0x11, 0x40d, 0xa, 0x0, {0x5, 0x0, 0x0, r4}}, 0x20}, 0x1, 0x3f00}, 0x0) [ 3103.214681] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 13:40:52 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0xfffff000, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) 13:40:52 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0xf, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) [ 3103.265168] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. [ 3103.284308] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. 13:40:53 executing program 2: openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(0xffffffffffffffff, 0x4020ae46, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000000000/0x18000)=nil, &(0x7f00000000c0)=[@text64={0x40, 0x0}], 0x1, 0x0, 0x0, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r4}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x3f00, &(0x7f0000000200)={&(0x7f0000000640)=@newlink={0x4, 0x11, 0x40d, 0xa, 0x0, {0x5, 0x0, 0x0, r4}}, 0x20}, 0x1, 0x3f00}, 0x0) 13:40:53 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x700, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) 13:40:53 executing program 3: ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x3f00, &(0x7f0000000200)={&(0x7f0000000640)=@newlink={0x20, 0x11, 0x410, 0x0, 0x0, {0x5, 0x0, 0x0, r3}}, 0x20}, 0x1, 0x3f00}, 0x0) [ 3103.478848] batman_adv: batadv0: Adding interface: veth77 [ 3103.484438] batman_adv: batadv0: The MTU of interface veth77 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 3103.547660] batman_adv: batadv0: Not using interface veth77 (retrying later): interface not active [ 3103.564883] batman_adv: batadv0: Adding interface: veth289 [ 3103.577554] batman_adv: batadv0: The MTU of interface veth289 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 3103.603144] batman_adv: batadv0: Not using interface veth289 (retrying later): interface not active [ 3103.617786] batman_adv: batadv0: Removing interface: veth77 13:40:53 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x10, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) [ 3103.721238] batman_adv: batadv0: Adding interface: veth175 [ 3103.727034] batman_adv: batadv0: The MTU of interface veth175 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 3103.767467] batman_adv: batadv0: Not using interface veth175 (retrying later): interface not active [ 3103.782948] batman_adv: batadv0: Adding interface: veth155 [ 3103.797578] batman_adv: batadv0: The MTU of interface veth155 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 3103.823004] batman_adv: batadv0: Not using interface veth155 (retrying later): interface not active 13:40:53 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0xffffff7f, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) 13:40:53 executing program 3: ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x3f00, &(0x7f0000000200)={&(0x7f0000000640)=@newlink={0x20, 0x11, 0x40d, 0x0, 0x0, {0x5, 0x0, 0x0, r3}}, 0x20}, 0x1, 0x3f00}, 0x0) 13:40:53 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0xa00, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) 13:40:53 executing program 2: openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(0xffffffffffffffff, 0x4020ae46, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000000000/0x18000)=nil, &(0x7f00000000c0)=[@text64={0x40, 0x0}], 0x1, 0x0, 0x0, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r4}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x3f00, &(0x7f0000000200)={&(0x7f0000000640)=@newlink={0x5, 0x11, 0x40d, 0xa, 0x0, {0x5, 0x0, 0x0, r4}}, 0x20}, 0x1, 0x3f00}, 0x0) 13:40:53 executing program 4: openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(0xffffffffffffffff, 0x4020ae46, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000000000/0x18000)=nil, &(0x7f00000000c0)=[@text64={0x40, 0x0}], 0x1, 0x0, 0x0, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r4}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x3f0a, &(0x7f0000000200)={&(0x7f0000000640)=@newlink={0x20, 0x11, 0x40d, 0xa, 0x0, {0x5, 0x0, 0x0, r4}}, 0x20}, 0x1, 0x3f00}, 0x0) 13:40:53 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x25, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) [ 3104.052642] batman_adv: batadv0: Adding interface: veth157 [ 3104.059401] batman_adv: batadv0: The MTU of interface veth157 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 3104.087763] batman_adv: batadv0: Not using interface veth157 (retrying later): interface not active [ 3104.115871] batman_adv: batadv0: Adding interface: veth177 [ 3104.122182] batman_adv: batadv0: The MTU of interface veth177 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 3104.148795] batman_adv: batadv0: Not using interface veth177 (retrying later): interface not active [ 3104.165473] batman_adv: batadv0: Adding interface: veth291 [ 3104.178303] batman_adv: batadv0: The MTU of interface veth291 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 3104.237400] batman_adv: batadv0: Not using interface veth291 (retrying later): interface not active [ 3104.251049] batman_adv: batadv0: Adding interface: veth77 [ 3104.256601] batman_adv: batadv0: The MTU of interface veth77 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 3104.282948] batman_adv: batadv0: Not using interface veth77 (retrying later): interface not active 13:40:53 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0xc00, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) [ 3104.327103] batman_adv: batadv0: Removing interface: veth77 13:40:54 executing program 2: openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(0xffffffffffffffff, 0x4020ae46, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000000000/0x18000)=nil, &(0x7f00000000c0)=[@text64={0x40, 0x0}], 0x1, 0x0, 0x0, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r4}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x3f00, &(0x7f0000000200)={&(0x7f0000000640)=@newlink={0x6, 0x11, 0x40d, 0xa, 0x0, {0x5, 0x0, 0x0, r4}}, 0x20}, 0x1, 0x3f00}, 0x0) 13:40:54 executing program 3: ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x3f00, &(0x7f0000000200)={&(0x7f0000000640)=@newlink={0x20, 0x11, 0x40d, 0x2, 0x0, {0x5, 0x0, 0x0, r3}}, 0x20}, 0x1, 0x3f00}, 0x0) 13:40:54 executing program 4: openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(0xffffffffffffffff, 0x4020ae46, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000000000/0x18000)=nil, &(0x7f00000000c0)=[@text64={0x40, 0x0}], 0x1, 0x0, 0x0, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r4}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x3f07, &(0x7f0000000200)={&(0x7f0000000640)=@newlink={0x20, 0x11, 0x40d, 0xa, 0x0, {0x5, 0x0, 0x0, r4}}, 0x20}, 0x1, 0x3f00}, 0x0) 13:40:54 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x3e, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) 13:40:54 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0xffffff9e, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) [ 3104.576244] batman_adv: batadv0: Adding interface: veth179 [ 3104.583095] batman_adv: batadv0: The MTU of interface veth179 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 3104.611796] batman_adv: batadv0: Not using interface veth179 (retrying later): interface not active [ 3104.628449] batman_adv: batadv0: Adding interface: veth159 [ 3104.634533] batman_adv: batadv0: The MTU of interface veth159 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 3104.662376] batman_adv: batadv0: Not using interface veth159 (retrying later): interface not active [ 3104.759959] batman_adv: batadv0: Adding interface: veth293 [ 3104.765761] batman_adv: batadv0: The MTU of interface veth293 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 3104.792691] batman_adv: batadv0: Not using interface veth293 (retrying later): interface not active 13:40:54 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0xe00, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) [ 3104.821648] batman_adv: batadv0: Adding interface: veth77 [ 3104.827446] batman_adv: batadv0: The MTU of interface veth77 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 3104.854147] batman_adv: batadv0: Not using interface veth77 (retrying later): interface not active [ 3104.875482] batman_adv: batadv0: Removing interface: veth77 13:40:54 executing program 2: openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(0xffffffffffffffff, 0x4020ae46, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000000000/0x18000)=nil, &(0x7f00000000c0)=[@text64={0x40, 0x0}], 0x1, 0x0, 0x0, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r4}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x3f00, &(0x7f0000000200)={&(0x7f0000000640)=@newlink={0x7, 0x11, 0x40d, 0xa, 0x0, {0x5, 0x0, 0x0, r4}}, 0x20}, 0x1, 0x3f00}, 0x0) 13:40:54 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0xffffffc3, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) 13:40:54 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0xc0, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) 13:40:54 executing program 3: ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x3f00, &(0x7f0000000200)={&(0x7f0000000640)=@newlink={0x20, 0x11, 0x40d, 0x3, 0x0, {0x5, 0x0, 0x0, r3}}, 0x20}, 0x1, 0x3f00}, 0x0) [ 3105.012721] batman_adv: batadv0: Adding interface: veth181 [ 3105.027337] batman_adv: batadv0: The MTU of interface veth181 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 13:40:54 executing program 4: openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(0xffffffffffffffff, 0x4020ae46, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000000000/0x18000)=nil, &(0x7f00000000c0)=[@text64={0x40, 0x0}], 0x1, 0x0, 0x0, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r4}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x3f06, &(0x7f0000000200)={&(0x7f0000000640)=@newlink={0x20, 0x11, 0x40d, 0xa, 0x0, {0x5, 0x0, 0x0, r4}}, 0x20}, 0x1, 0x3f00}, 0x0) [ 3105.094805] batman_adv: batadv0: Not using interface veth181 (retrying later): interface not active [ 3105.153865] batman_adv: batadv0: Adding interface: veth161 [ 3105.159727] batman_adv: batadv0: The MTU of interface veth161 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 3105.187119] batman_adv: batadv0: Not using interface veth161 (retrying later): interface not active 13:40:54 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x2000, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) [ 3105.277639] batman_adv: batadv0: Adding interface: veth295 [ 3105.283317] batman_adv: batadv0: The MTU of interface veth295 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 3105.311139] batman_adv: batadv0: Not using interface veth295 (retrying later): interface not active [ 3105.324433] batman_adv: batadv0: Adding interface: veth77 [ 3105.335721] batman_adv: batadv0: The MTU of interface veth77 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 13:40:55 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x118, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) [ 3105.374425] batman_adv: batadv0: Not using interface veth77 (retrying later): interface not active [ 3105.397684] batman_adv: batadv0: Removing interface: veth77 13:40:55 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0xffffffe4, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) 13:40:55 executing program 2: openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(0xffffffffffffffff, 0x4020ae46, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000000000/0x18000)=nil, &(0x7f00000000c0)=[@text64={0x40, 0x0}], 0x1, 0x0, 0x0, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r4}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x3f00, &(0x7f0000000200)={&(0x7f0000000640)=@newlink={0x8, 0x11, 0x40d, 0xa, 0x0, {0x5, 0x0, 0x0, r4}}, 0x20}, 0x1, 0x3f00}, 0x0) [ 3105.468301] batman_adv: batadv0: Adding interface: veth185 [ 3105.474240] batman_adv: batadv0: The MTU of interface veth185 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 3105.511785] batman_adv: batadv0: Not using interface veth185 (retrying later): interface not active 13:40:55 executing program 3: ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x3f00, &(0x7f0000000200)={&(0x7f0000000640)=@newlink={0x20, 0x11, 0x40d, 0x4, 0x0, {0x5, 0x0, 0x0, r3}}, 0x20}, 0x1, 0x3f00}, 0x0) 13:40:55 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x3f00, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) 13:40:55 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0xec0, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) 13:40:55 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x6, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) [ 3105.692399] batman_adv: batadv0: Adding interface: veth297 [ 3105.705923] batman_adv: batadv0: The MTU of interface veth297 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 3105.777621] batman_adv: batadv0: Not using interface veth297 (retrying later): interface not active [ 3105.791122] batman_adv: batadv0: Adding interface: veth163 [ 3105.797373] batman_adv: batadv0: The MTU of interface veth163 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 3105.835358] batman_adv: batadv0: Not using interface veth163 (retrying later): interface not active [ 3105.879041] batman_adv: batadv0: Adding interface: veth189 [ 3105.885099] batman_adv: batadv0: The MTU of interface veth189 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 3105.912948] batman_adv: batadv0: Not using interface veth189 (retrying later): interface not active [ 3105.974416] batman_adv: batadv0: Adding interface: veth77 [ 3105.981780] batman_adv: batadv0: The MTU of interface veth77 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 3106.009823] batman_adv: batadv0: Not using interface veth77 (retrying later): interface not active 13:40:55 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0xfffffff0, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) 13:40:55 executing program 2: openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(0xffffffffffffffff, 0x4020ae46, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000000000/0x18000)=nil, &(0x7f00000000c0)=[@text64={0x40, 0x0}], 0x1, 0x0, 0x0, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r4}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x3f00, &(0x7f0000000200)={&(0x7f0000000640)=@newlink={0x9, 0x11, 0x40d, 0xa, 0x0, {0x5, 0x0, 0x0, r4}}, 0x20}, 0x1, 0x3f00}, 0x0) 13:40:55 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x4000, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) 13:40:55 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x33fe0, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) 13:40:55 executing program 3: ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x3f00, &(0x7f0000000200)={&(0x7f0000000640)=@newlink={0x20, 0x11, 0x40d, 0x5, 0x0, {0x5, 0x0, 0x0, r3}}, 0x20}, 0x1, 0x3f00}, 0x0) 13:40:55 executing program 4: r0 = open(&(0x7f0000000140)='./file0\x00', 0x40002, 0x8) sendfile(r0, 0xffffffffffffffff, 0x0, 0x2008000fffffffe) r1 = open(&(0x7f0000000140)='./file0\x00', 0x40002, 0x8) sendfile(r1, 0xffffffffffffffff, 0x0, 0x2008000fffffffe) r2 = socket$inet(0x2, 0x4000000000000001, 0x0) sendto$inet(r2, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) r3 = socket(0xa, 0x1, 0x0) close(r3) r4 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r4, 0x84, 0x6e, &(0x7f0000000400)=[@in6={0xa, 0x0, 0x0, @remote, 0x9}, @in6={0xa, 0x4e21, 0x6, @ipv4={[], [], @loopback}, 0x5}, @in6={0xa, 0x4e22, 0x1, @dev={0xfe, 0x80, [], 0x18}, 0x1f}, @in6={0xa, 0x4e20, 0x5, @empty, 0x1}], 0x70) getsockopt$inet_sctp6_SCTP_GET_ASSOC_ID_LIST(r4, 0x84, 0x1d, &(0x7f000095dff8)=ANY=[@ANYBLOB="03000600", @ANYRES32=0x0], &(0x7f000095dffc)=0x8) sendmmsg$inet_sctp(r3, &(0x7f0000002cc0)=[{0x0, 0x29e, 0x0, 0x0, &(0x7f0000000380)=ANY=[@ANYBLOB="51bff5ad7bc3232b017b913602100000000004000000000000000000a2613731759394e00c8b4522ab1d3b32d0d6f85e1cfa5918c7bd86e988d383ed194c1f16d324fceb9e", @ANYRES32=r5], 0x20}], 0x1, 0x0) setsockopt$inet_sctp_SCTP_AUTH_ACTIVE_KEY(r2, 0x84, 0x18, &(0x7f0000000000)={r5, 0x9}, 0x8) getsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f00000000c0)={r5, @in={{0x2, 0x4e20, @multicast1}}, 0x2, 0x3, 0x7, 0x200, 0x34, 0x7f, 0x8}, &(0x7f0000000040)=0x9c) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r0, 0xc00c642e, &(0x7f0000000340)={0x0, 0x80000, r1}) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(r0, 0x84, 0x70, &(0x7f0000000180)={r6, @in={{0x2, 0x4e21, @multicast1}}, [0x7, 0x1, 0xff, 0x6, 0xc69, 0x70, 0x200, 0x8, 0x101, 0xfff, 0x2, 0x400, 0x0, 0x401, 0x7fff]}, &(0x7f0000000280)=0x100) setsockopt$XDP_UMEM_COMPLETION_RING(r3, 0x11b, 0x6, &(0x7f0000000300), 0x4) r7 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r7, 0x5423, &(0x7f0000000080)=0xf) semget(0x2, 0x1, 0x55) [ 3106.244278] batman_adv: batadv0: Adding interface: veth299 [ 3106.254532] batman_adv: batadv0: The MTU of interface veth299 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 13:40:55 executing program 4: r0 = open(&(0x7f0000000140)='./file0\x00', 0x40002, 0x8) sendfile(r0, 0xffffffffffffffff, 0x0, 0x2008000fffffffe) r1 = open(&(0x7f0000000140)='./file0\x00', 0x40002, 0x8) sendfile(r1, 0xffffffffffffffff, 0x0, 0x2008000fffffffe) r2 = socket$inet(0x2, 0x4000000000000001, 0x0) sendto$inet(r2, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) r3 = socket(0xa, 0x1, 0x0) close(r3) r4 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r4, 0x84, 0x6e, &(0x7f0000000400)=[@in6={0xa, 0x0, 0x0, @remote, 0x9}, @in6={0xa, 0x4e21, 0x6, @ipv4={[], [], @loopback}, 0x5}, @in6={0xa, 0x4e22, 0x1, @dev={0xfe, 0x80, [], 0x18}, 0x1f}, @in6={0xa, 0x4e20, 0x5, @empty, 0x1}], 0x70) getsockopt$inet_sctp6_SCTP_GET_ASSOC_ID_LIST(r4, 0x84, 0x1d, &(0x7f000095dff8)=ANY=[@ANYBLOB="03000600", @ANYRES32=0x0], &(0x7f000095dffc)=0x8) sendmmsg$inet_sctp(r3, &(0x7f0000002cc0)=[{0x0, 0x29e, 0x0, 0x0, &(0x7f0000000380)=ANY=[@ANYBLOB="51bff5ad7bc3232b017b913602100000000004000000000000000000a2613731759394e00c8b4522ab1d3b32d0d6f85e1cfa5918c7bd86e988d383ed194c1f16d324fceb9e", @ANYRES32=r5], 0x20}], 0x1, 0x0) setsockopt$inet_sctp_SCTP_AUTH_ACTIVE_KEY(r2, 0x84, 0x18, &(0x7f0000000000)={r5, 0x9}, 0x8) getsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f00000000c0)={r5, @in={{0x2, 0x4e20, @multicast1}}, 0x2, 0x3, 0x7, 0x200, 0x34, 0x7f, 0x8}, &(0x7f0000000040)=0x9c) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r0, 0xc00c642e, &(0x7f0000000340)={0x0, 0x80000, r1}) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(r0, 0x84, 0x70, &(0x7f0000000180)={r6, @in={{0x2, 0x4e21, @multicast1}}, [0x7, 0x1, 0xff, 0x6, 0xc69, 0x70, 0x200, 0x8, 0x101, 0xfff, 0x2, 0x400, 0x0, 0x401, 0x7fff]}, &(0x7f0000000280)=0x100) setsockopt$XDP_UMEM_COMPLETION_RING(r3, 0x11b, 0x6, &(0x7f0000000300), 0x4) r7 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r7, 0x5423, &(0x7f0000000080)=0xf) semget(0x2, 0x1, 0x55) [ 3106.313665] batman_adv: batadv0: Not using interface veth299 (retrying later): interface not active [ 3106.335344] batman_adv: batadv0: Adding interface: veth191 [ 3106.352168] batman_adv: batadv0: The MTU of interface veth191 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 13:40:56 executing program 4: r0 = open(&(0x7f0000000140)='./file0\x00', 0x40002, 0x8) sendfile(r0, 0xffffffffffffffff, 0x0, 0x2008000fffffffe) r1 = open(&(0x7f0000000140)='./file0\x00', 0x40002, 0x8) sendfile(r1, 0xffffffffffffffff, 0x0, 0x2008000fffffffe) r2 = socket$inet(0x2, 0x4000000000000001, 0x0) sendto$inet(r2, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) r3 = socket(0xa, 0x1, 0x0) close(r3) r4 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r4, 0x84, 0x6e, &(0x7f0000000400)=[@in6={0xa, 0x0, 0x0, @remote, 0x9}, @in6={0xa, 0x4e21, 0x6, @ipv4={[], [], @loopback}, 0x5}, @in6={0xa, 0x4e22, 0x1, @dev={0xfe, 0x80, [], 0x18}, 0x1f}, @in6={0xa, 0x4e20, 0x5, @empty, 0x1}], 0x70) getsockopt$inet_sctp6_SCTP_GET_ASSOC_ID_LIST(r4, 0x84, 0x1d, &(0x7f000095dff8)=ANY=[@ANYBLOB="03000600", @ANYRES32=0x0], &(0x7f000095dffc)=0x8) sendmmsg$inet_sctp(r3, &(0x7f0000002cc0)=[{0x0, 0x29e, 0x0, 0x0, &(0x7f0000000380)=ANY=[@ANYBLOB="51bff5ad7bc3232b017b913602100000000004000000000000000000a2613731759394e00c8b4522ab1d3b32d0d6f85e1cfa5918c7bd86e988d383ed194c1f16d324fceb9e", @ANYRES32=r5], 0x20}], 0x1, 0x0) setsockopt$inet_sctp_SCTP_AUTH_ACTIVE_KEY(r2, 0x84, 0x18, &(0x7f0000000000)={r5, 0x9}, 0x8) getsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f00000000c0)={r5, @in={{0x2, 0x4e20, @multicast1}}, 0x2, 0x3, 0x7, 0x200, 0x34, 0x7f, 0x8}, &(0x7f0000000040)=0x9c) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(r0, 0xc00c642e, &(0x7f0000000340)={0x0, 0x80000, r1}) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(r0, 0x84, 0x70, &(0x7f0000000180)={r6, @in={{0x2, 0x4e21, @multicast1}}, [0x7, 0x1, 0xff, 0x6, 0xc69, 0x70, 0x200, 0x8, 0x101, 0xfff, 0x2, 0x400, 0x0, 0x401, 0x7fff]}, &(0x7f0000000280)=0x100) setsockopt$XDP_UMEM_COMPLETION_RING(r3, 0x11b, 0x6, &(0x7f0000000300), 0x4) r7 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000003f00)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r7, 0x5423, &(0x7f0000000080)=0xf) semget(0x2, 0x1, 0x55) [ 3106.419059] batman_adv: batadv0: Not using interface veth191 (retrying later): interface not active [ 3106.459607] batman_adv: batadv0: Adding interface: veth165 [ 3106.465276] batman_adv: batadv0: The MTU of interface veth165 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 3106.506707] batman_adv: batadv0: Not using interface veth165 (retrying later): interface not active 13:40:56 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x200000e8, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) 13:40:56 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0xffffffff, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) 13:40:56 executing program 4: openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(0xffffffffffffffff, 0x4020ae46, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000000000/0x18000)=nil, &(0x7f00000000c0)=[@text64={0x40, 0x0}], 0x1, 0x0, 0x0, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r4}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x3f02, &(0x7f0000000200)={&(0x7f0000000640)=@newlink={0x20, 0x11, 0x40d, 0xa, 0x0, {0x5, 0x0, 0x0, r4}}, 0x20}, 0x1, 0x3f00}, 0x0) 13:40:56 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x4800, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) 13:40:56 executing program 2: openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(0xffffffffffffffff, 0x4020ae46, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000000000/0x18000)=nil, &(0x7f00000000c0)=[@text64={0x40, 0x0}], 0x1, 0x0, 0x0, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r4}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x3f00, &(0x7f0000000200)={&(0x7f0000000640)=@newlink={0xa, 0x11, 0x40d, 0xa, 0x0, {0x5, 0x0, 0x0, r4}}, 0x20}, 0x1, 0x3f00}, 0x0) 13:40:56 executing program 3: ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x3f00, &(0x7f0000000200)={&(0x7f0000000640)=@newlink={0x20, 0x11, 0x40d, 0x6, 0x0, {0x5, 0x0, 0x0, r3}}, 0x20}, 0x1, 0x3f00}, 0x0) 13:40:56 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x7ffff000, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) [ 3106.840414] batman_adv: batadv0: Adding interface: veth301 [ 3106.846842] batman_adv: batadv0: The MTU of interface veth301 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 3106.888163] batman_adv: batadv0: Not using interface veth301 (retrying later): interface not active [ 3106.942324] batman_adv: batadv0: Adding interface: veth79 [ 3106.948186] batman_adv: batadv0: The MTU of interface veth79 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 3106.989752] batman_adv: batadv0: Not using interface veth79 (retrying later): interface not active [ 3107.011410] batman_adv: batadv0: Adding interface: veth193 [ 3107.027507] batman_adv: batadv0: The MTU of interface veth193 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 3107.054746] batman_adv: batadv0: Not using interface veth193 (retrying later): interface not active [ 3107.066782] batman_adv: batadv0: Adding interface: veth167 [ 3107.072638] batman_adv: batadv0: The MTU of interface veth167 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 3107.097436] batman_adv: batadv0: Not using interface veth167 (retrying later): interface not active [ 3107.111816] batman_adv: batadv0: Removing interface: veth79 13:40:56 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0xa, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) 13:40:56 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x4c00, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) 13:40:56 executing program 2: openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(0xffffffffffffffff, 0x4020ae46, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000000000/0x18000)=nil, &(0x7f00000000c0)=[@text64={0x40, 0x0}], 0x1, 0x0, 0x0, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r4}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x3f00, &(0x7f0000000200)={&(0x7f0000000640)=@newlink={0xb, 0x11, 0x40d, 0xa, 0x0, {0x5, 0x0, 0x0, r4}}, 0x20}, 0x1, 0x3f00}, 0x0) 13:40:56 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x2, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) 13:40:56 executing program 4 (fault-call:6 fault-nth:0): r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) 13:40:56 executing program 3: ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x3f00, &(0x7f0000000200)={&(0x7f0000000640)=@newlink={0x20, 0x11, 0x40d, 0x7, 0x0, {0x5, 0x0, 0x0, r3}}, 0x20}, 0x1, 0x3f00}, 0x0) [ 3107.357661] FAULT_INJECTION: forcing a failure. [ 3107.357661] name failslab, interval 1, probability 0, space 0, times 0 [ 3107.373699] CPU: 0 PID: 16241 Comm: syz-executor.4 Not tainted 4.19.133-syzkaller #0 [ 3107.379199] SELinux: unrecognized netlink message: protocol=0 nlmsg_type=2 sclass=netlink_route_socket pid=16238 comm=syz-executor.1 [ 3107.381594] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 3107.381602] Call Trace: [ 3107.381627] dump_stack+0x1fc/0x2fe [ 3107.409306] should_fail.cold+0xa/0x14 [ 3107.412688] batman_adv: batadv0: Adding interface: veth195 [ 3107.413202] ? setup_fault_attr+0x200/0x200 [ 3107.421537] batman_adv: batadv0: The MTU of interface veth195 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 3107.423115] ? lock_acquire+0x170/0x3c0 [ 3107.423146] __should_failslab+0x115/0x180 [ 3107.455875] should_failslab+0x5/0xf [ 3107.459601] kmem_cache_alloc_node+0x245/0x3b0 [ 3107.460044] SELinux: unrecognized netlink message: protocol=0 nlmsg_type=2 sclass=netlink_route_socket pid=16238 comm=syz-executor.1 [ 3107.464209] __alloc_skb+0x71/0x560 [ 3107.464235] netlink_sendmsg+0x9ee/0xc40 [ 3107.483938] ? nlmsg_notify+0x1a0/0x1a0 [ 3107.487918] ? kernel_recvmsg+0x220/0x220 [ 3107.492100] ? nlmsg_notify+0x1a0/0x1a0 [ 3107.496088] sock_sendmsg+0xc3/0x120 [ 3107.497852] batman_adv: batadv0: Not using interface veth195 (retrying later): interface not active [ 3107.499807] ___sys_sendmsg+0x7bb/0x8e0 [ 3107.499831] ? copy_msghdr_from_user+0x440/0x440 [ 3107.517808] ? __fget+0x32f/0x510 [ 3107.521285] ? lock_downgrade+0x720/0x720 [ 3107.525444] ? check_preemption_disabled+0x41/0x280 [ 3107.530471] ? check_preemption_disabled+0x41/0x280 [ 3107.531521] nla_parse: 92 callbacks suppressed [ 3107.531529] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. [ 3107.535518] ? __fget+0x356/0x510 [ 3107.535542] ? do_dup2+0x450/0x450 [ 3107.555633] ? finish_task_switch+0x118/0x780 [ 3107.560137] ? _raw_spin_unlock_irq+0x24/0x80 [ 3107.564654] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 3107.569254] ? __fdget+0x1d0/0x230 [ 3107.572812] __x64_sys_sendmsg+0x132/0x220 [ 3107.577062] ? __sys_sendmsg+0x1b0/0x1b0 [ 3107.581135] ? io_schedule_timeout+0x140/0x140 [ 3107.585740] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 3107.590506] ? trace_hardirqs_off_caller+0x69/0x210 [ 3107.595538] ? do_syscall_64+0x21/0x620 [ 3107.599526] do_syscall_64+0xf9/0x620 [ 3107.603358] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 3107.608553] RIP: 0033:0x45c1d9 [ 3107.611751] Code: 8d b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 5b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 3107.630646] RSP: 002b:00007f88c4703c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 3107.638371] RAX: ffffffffffffffda RBX: 000000000002af00 RCX: 000000000045c1d9 [ 3107.645638] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003 [ 3107.652900] RBP: 00007f88c4703ca0 R08: 0000000000000000 R09: 0000000000000000 [ 3107.660158] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 3107.667421] R13: 00007ffca592bc5f R14: 00007f88c47049c0 R15: 000000000078bfac [ 3107.691615] batman_adv: batadv0: Adding interface: veth169 13:40:57 executing program 4 (fault-call:6 fault-nth:1): r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) [ 3107.702967] batman_adv: batadv0: The MTU of interface veth169 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 3107.749812] batman_adv: batadv0: Not using interface veth169 (retrying later): interface not active [ 3107.773374] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. [ 3107.783718] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. 13:40:57 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x3, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) [ 3107.796820] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 13:40:57 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x5865, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) [ 3107.847375] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. [ 3107.861523] FAULT_INJECTION: forcing a failure. [ 3107.861523] name failslab, interval 1, probability 0, space 0, times 0 [ 3107.894133] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. [ 3107.913840] CPU: 1 PID: 16268 Comm: syz-executor.4 Not tainted 4.19.133-syzkaller #0 [ 3107.917281] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'. [ 3107.921741] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 3107.921751] Call Trace: [ 3107.942238] dump_stack+0x1fc/0x2fe [ 3107.945875] should_fail.cold+0xa/0x14 [ 3107.949771] ? setup_fault_attr+0x200/0x200 [ 3107.954095] ? lock_acquire+0x170/0x3c0 [ 3107.958082] __should_failslab+0x115/0x180 [ 3107.962321] should_failslab+0x5/0xf [ 3107.966078] kmem_cache_alloc_node_trace+0x244/0x3b0 [ 3107.971280] __kmalloc_node_track_caller+0x38/0x70 [ 3107.976217] __alloc_skb+0xae/0x560 [ 3107.979849] netlink_sendmsg+0x9ee/0xc40 [ 3107.983929] ? nlmsg_notify+0x1a0/0x1a0 [ 3107.987903] ? kernel_recvmsg+0x220/0x220 [ 3107.992080] ? nlmsg_notify+0x1a0/0x1a0 [ 3107.996062] sock_sendmsg+0xc3/0x120 [ 3107.999787] ___sys_sendmsg+0x7bb/0x8e0 [ 3108.003769] ? check_preemption_disabled+0x41/0x280 [ 3108.004134] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. [ 3108.008785] ? copy_msghdr_from_user+0x440/0x440 [ 3108.008805] ? __fget+0x32f/0x510 [ 3108.008827] ? lock_downgrade+0x720/0x720 [ 3108.008840] ? check_preemption_disabled+0x41/0x280 [ 3108.008856] ? check_preemption_disabled+0x41/0x280 [ 3108.008876] ? __fget+0x356/0x510 [ 3108.008894] ? do_dup2+0x450/0x450 [ 3108.008911] ? lock_downgrade+0x720/0x720 [ 3108.050873] ? vfs_write+0x3d7/0x540 [ 3108.054594] ? __fdget+0x1d0/0x230 [ 3108.058145] __x64_sys_sendmsg+0x132/0x220 [ 3108.062385] ? __sys_sendmsg+0x1b0/0x1b0 [ 3108.066466] ? vfs_write+0x393/0x540 [ 3108.070197] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 3108.074959] ? trace_hardirqs_off_caller+0x69/0x210 [ 3108.079981] ? do_syscall_64+0x21/0x620 [ 3108.083965] do_syscall_64+0xf9/0x620 [ 3108.087773] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 3108.092960] RIP: 0033:0x45c1d9 [ 3108.096242] Code: 8d b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 5b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 3108.115142] RSP: 002b:00007f88c4703c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 3108.122861] RAX: ffffffffffffffda RBX: 000000000002af00 RCX: 000000000045c1d9 [ 3108.130128] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003 [ 3108.137397] RBP: 00007f88c4703ca0 R08: 0000000000000000 R09: 0000000000000000 13:40:57 executing program 3: ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x3f00, &(0x7f0000000200)={&(0x7f0000000640)=@newlink={0x20, 0x11, 0x40d, 0x8, 0x0, {0x5, 0x0, 0x0, r3}}, 0x20}, 0x1, 0x3f00}, 0x0) 13:40:57 executing program 2: openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(0xffffffffffffffff, 0x4020ae46, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000000000/0x18000)=nil, &(0x7f00000000c0)=[@text64={0x40, 0x0}], 0x1, 0x0, 0x0, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r4}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x3f00, &(0x7f0000000200)={&(0x7f0000000640)=@newlink={0xc, 0x11, 0x40d, 0xa, 0x0, {0x5, 0x0, 0x0, r4}}, 0x20}, 0x1, 0x3f00}, 0x0) 13:40:57 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0xf, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) [ 3108.144669] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 3108.152041] R13: 00007ffca592bc5f R14: 00007f88c47049c0 R15: 000000000078bfac [ 3108.168675] SELinux: unrecognized netlink message: protocol=0 nlmsg_type=3 sclass=netlink_route_socket pid=16282 comm=syz-executor.1 [ 3108.181873] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. [ 3108.194260] SELinux: unrecognized netlink message: protocol=0 nlmsg_type=3 sclass=netlink_route_socket pid=16282 comm=syz-executor.1 [ 3108.222747] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. 13:40:57 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x4, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) [ 3108.260178] batman_adv: batadv0: Adding interface: veth197 [ 3108.273701] batman_adv: batadv0: The MTU of interface veth197 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 13:40:57 executing program 4 (fault-call:6 fault-nth:2): r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) [ 3108.314308] batman_adv: batadv0: Not using interface veth197 (retrying later): interface not active [ 3108.366060] batman_adv: batadv0: Adding interface: veth171 [ 3108.372983] batman_adv: batadv0: The MTU of interface veth171 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 3108.401562] SELinux: unrecognized netlink message: protocol=0 nlmsg_type=4 sclass=netlink_route_socket pid=16322 comm=syz-executor.1 [ 3108.414498] FAULT_INJECTION: forcing a failure. [ 3108.414498] name failslab, interval 1, probability 0, space 0, times 0 [ 3108.426081] batman_adv: batadv0: Not using interface veth171 (retrying later): interface not active [ 3108.436175] CPU: 1 PID: 16323 Comm: syz-executor.4 Not tainted 4.19.133-syzkaller #0 [ 3108.444063] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 3108.453411] Call Trace: [ 3108.456004] dump_stack+0x1fc/0x2fe [ 3108.459643] should_fail.cold+0xa/0x14 [ 3108.463556] ? setup_fault_attr+0x200/0x200 [ 3108.467882] ? perf_trace_lock_acquire+0x530/0x530 [ 3108.472817] ? lock_downgrade+0x720/0x720 [ 3108.476971] ? check_preemption_disabled+0x41/0x280 [ 3108.481995] __should_failslab+0x115/0x180 [ 3108.486233] should_failslab+0x5/0xf [ 3108.490036] kmem_cache_alloc+0x3f/0x370 [ 3108.494104] skb_clone+0x151/0x3d0 [ 3108.497662] netlink_deliver_tap+0x955/0xb00 [ 3108.502082] netlink_unicast+0x545/0x690 [ 3108.506152] ? netlink_sendskb+0x110/0x110 [ 3108.510491] netlink_sendmsg+0x6bb/0xc40 [ 3108.514559] ? nlmsg_notify+0x1a0/0x1a0 [ 3108.518535] ? kernel_recvmsg+0x220/0x220 [ 3108.522697] ? nlmsg_notify+0x1a0/0x1a0 [ 3108.526676] sock_sendmsg+0xc3/0x120 [ 3108.530399] ___sys_sendmsg+0x7bb/0x8e0 [ 3108.534391] ? check_preemption_disabled+0x41/0x280 [ 3108.539410] ? copy_msghdr_from_user+0x440/0x440 [ 3108.544177] ? __fget+0x32f/0x510 [ 3108.547644] ? lock_downgrade+0x720/0x720 [ 3108.551796] ? check_preemption_disabled+0x41/0x280 [ 3108.556827] ? check_preemption_disabled+0x41/0x280 [ 3108.561854] ? __fget+0x356/0x510 [ 3108.565315] ? do_dup2+0x450/0x450 [ 3108.568857] ? lock_downgrade+0x720/0x720 [ 3108.573014] ? vfs_write+0x3d7/0x540 [ 3108.576738] ? __fdget+0x1d0/0x230 [ 3108.580297] __x64_sys_sendmsg+0x132/0x220 [ 3108.584533] ? __sys_sendmsg+0x1b0/0x1b0 [ 3108.588591] ? vfs_write+0x393/0x540 [ 3108.592322] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 3108.597082] ? trace_hardirqs_off_caller+0x69/0x210 [ 3108.602096] ? do_syscall_64+0x21/0x620 [ 3108.606066] do_syscall_64+0xf9/0x620 [ 3108.609887] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 3108.615077] RIP: 0033:0x45c1d9 [ 3108.618273] Code: 8d b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 5b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 3108.637169] RSP: 002b:00007f88c4703c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 3108.644877] RAX: ffffffffffffffda RBX: 000000000002af00 RCX: 000000000045c1d9 [ 3108.652142] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003 [ 3108.659408] RBP: 00007f88c4703ca0 R08: 0000000000000000 R09: 0000000000000000 [ 3108.666765] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 3108.674034] R13: 00007ffca592bc5f R14: 00007f88c47049c0 R15: 000000000078bfac 13:40:58 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x6000, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) [ 3108.758465] SELinux: unrecognized netlink message: protocol=0 nlmsg_type=4 sclass=netlink_route_socket pid=16338 comm=syz-executor.1 [ 3108.772295] batman_adv: batadv0: Adding interface: veth83 [ 3108.779943] batman_adv: batadv0: The MTU of interface veth83 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 13:40:58 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x5, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) 13:40:58 executing program 2: openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(0xffffffffffffffff, 0x4020ae46, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000000000/0x18000)=nil, &(0x7f00000000c0)=[@text64={0x40, 0x0}], 0x1, 0x0, 0x0, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r4}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x3f00, &(0x7f0000000200)={&(0x7f0000000640)=@newlink={0xd, 0x11, 0x40d, 0xa, 0x0, {0x5, 0x0, 0x0, r4}}, 0x20}, 0x1, 0x3f00}, 0x0) [ 3108.837077] batman_adv: batadv0: Not using interface veth83 (retrying later): interface not active 13:40:58 executing program 4 (fault-call:6 fault-nth:3): r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) 13:40:58 executing program 3: ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x3f00, &(0x7f0000000200)={&(0x7f0000000640)=@newlink={0x20, 0x11, 0x40d, 0xa, 0x0, {0x5, 0x0, 0x0, r3}}, 0x20}, 0x1, 0x3f00}, 0x0) 13:40:58 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x10, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) [ 3108.997298] batman_adv: batadv0: Adding interface: veth199 [ 3109.002978] batman_adv: batadv0: The MTU of interface veth199 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 3109.029557] SELinux: unrecognized netlink message: protocol=0 nlmsg_type=5 sclass=netlink_route_socket pid=16367 comm=syz-executor.1 [ 3109.043819] batman_adv: batadv0: Not using interface veth199 (retrying later): interface not active [ 3109.098839] SELinux: unrecognized netlink message: protocol=0 nlmsg_type=5 sclass=netlink_route_socket pid=16381 comm=syz-executor.1 [ 3109.114485] FAULT_INJECTION: forcing a failure. [ 3109.114485] name failslab, interval 1, probability 0, space 0, times 0 [ 3109.129775] CPU: 0 PID: 16366 Comm: syz-executor.4 Not tainted 4.19.133-syzkaller #0 [ 3109.137686] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 3109.147046] Call Trace: [ 3109.149649] dump_stack+0x1fc/0x2fe [ 3109.153289] should_fail.cold+0xa/0x14 [ 3109.157184] ? setup_fault_attr+0x200/0x200 [ 3109.161501] ? lock_acquire+0x170/0x3c0 [ 3109.165466] __should_failslab+0x115/0x180 [ 3109.169702] should_failslab+0x5/0xf [ 3109.173413] kmem_cache_alloc_trace+0x284/0x380 [ 3109.178105] __netdev_adjacent_dev_insert.part.0+0xac/0x7c0 [ 3109.183825] ? is_hsr_master+0x9/0x70 [ 3109.187630] ? bcm_notifier+0x94/0x64d [ 3109.191524] ? netdev_rx_csum_fault+0x30/0x30 [ 3109.196027] ? ip6_route_dev_notify+0xd7/0xcd0 [ 3109.200612] ? notifier_call_chain+0x1d5/0x230 [ 3109.205187] __netdev_upper_dev_link+0x521/0x980 [ 3109.209979] ? dev_get_by_name+0xe8/0x1b0 [ 3109.214126] ? __netdev_adjacent_dev_remove+0x520/0x520 [ 3109.219502] ? pipe_write+0xf41/0xf80 [ 3109.223291] ? check_preemption_disabled+0x41/0x280 [ 3109.228327] batadv_hardif_enable_interface+0x250/0xba0 [ 3109.233715] batadv_softif_slave_add+0x8a/0x100 [ 3109.238384] ? batadv_softif_slave_del+0xc0/0xc0 [ 3109.243148] do_set_master+0x1c8/0x220 [ 3109.247049] do_setlink+0x7ec/0x3540 [ 3109.250796] ? perf_swevent_event+0x6c/0x550 [ 3109.255200] ? tracing_generic_entry_update+0x191/0x200 [ 3109.260586] ? rtnl_fdb_add+0xa10/0xa10 [ 3109.264552] ? perf_tp_event+0x5f4/0xaa0 [ 3109.268626] ? perf_swevent_event+0x6c/0x550 [ 3109.273034] ? tracing_generic_entry_update+0x191/0x200 [ 3109.278400] ? check_preemption_disabled+0x41/0x280 [ 3109.283426] ? perf_tp_event+0x5f4/0xaa0 [ 3109.287493] ? perf_swevent_event+0x6c/0x550 [ 3109.291894] ? tracing_generic_entry_update+0x191/0x200 [ 3109.297261] ? __sanitizer_cov_trace_switch+0x4b/0x80 [ 3109.302448] ? validate_nla+0x270/0x820 [ 3109.306426] ? nla_parse+0x1b2/0x290 [ 3109.310149] rtnl_newlink+0xda0/0x15a0 [ 3109.314071] ? rtnl_getlink+0x620/0x620 [ 3109.318053] ? perf_swevent_event+0x550/0x550 [ 3109.322552] ? perf_trace_run_bpf_submit+0x144/0x220 [ 3109.327648] ? perf_trace_run_bpf_submit+0x144/0x220 [ 3109.332764] ? perf_trace_lock+0x30f/0x4b0 [ 3109.337018] ? perf_trace_run_bpf_submit+0x144/0x220 [ 3109.342128] ? __lock_acquire+0x6de/0x3ff0 [ 3109.346351] ? check_preemption_disabled+0x41/0x280 [ 3109.351399] ? perf_trace_run_bpf_submit+0x144/0x220 [ 3109.356527] ? perf_trace_lock+0x30f/0x4b0 [ 3109.360752] ? mark_held_locks+0xf0/0xf0 [ 3109.364804] ? perf_trace_lock_acquire+0x530/0x530 [ 3109.369774] ? perf_trace_run_bpf_submit+0x144/0x220 [ 3109.374903] ? __lock_acquire+0x6de/0x3ff0 [ 3109.379143] ? check_preemption_disabled+0x41/0x280 [ 3109.384154] ? perf_trace_run_bpf_submit+0x144/0x220 [ 3109.389274] ? perf_trace_lock+0x30f/0x4b0 [ 3109.393506] ? _raw_spin_unlock_irq+0x24/0x80 [ 3109.397992] ? perf_trace_lock_acquire+0x530/0x530 [ 3109.402918] ? finish_task_switch+0x1db/0x780 [ 3109.407504] ? __mutex_add_waiter+0x160/0x160 [ 3109.412008] ? check_preemption_disabled+0x41/0x280 [ 3109.417041] ? rtnetlink_rcv_msg+0x3c3/0xb80 [ 3109.421483] ? rtnl_getlink+0x620/0x620 [ 3109.425452] rtnetlink_rcv_msg+0x453/0xb80 [ 3109.429693] ? rtnl_calcit.isra.0+0x430/0x430 [ 3109.434183] ? perf_trace_lock+0x30f/0x4b0 [ 3109.438406] ? netdev_pick_tx+0x2f0/0x2f0 [ 3109.442538] ? __copy_skb_header+0x414/0x500 [ 3109.446952] ? perf_trace_lock_acquire+0x530/0x530 [ 3109.451897] netlink_rcv_skb+0x160/0x440 [ 3109.455951] ? rtnl_calcit.isra.0+0x430/0x430 [ 3109.460432] ? netlink_ack+0xae0/0xae0 [ 3109.464334] netlink_unicast+0x4d5/0x690 [ 3109.468406] ? netlink_sendskb+0x110/0x110 [ 3109.472659] netlink_sendmsg+0x6bb/0xc40 [ 3109.476717] ? nlmsg_notify+0x1a0/0x1a0 [ 3109.480687] ? kernel_recvmsg+0x220/0x220 [ 3109.484847] ? nlmsg_notify+0x1a0/0x1a0 [ 3109.488827] sock_sendmsg+0xc3/0x120 [ 3109.492552] ___sys_sendmsg+0x7bb/0x8e0 [ 3109.496551] ? copy_msghdr_from_user+0x440/0x440 [ 3109.501298] ? __fget+0x32f/0x510 [ 3109.504763] ? lock_downgrade+0x720/0x720 [ 3109.508907] ? check_preemption_disabled+0x41/0x280 [ 3109.513943] ? check_preemption_disabled+0x41/0x280 [ 3109.518958] ? __fget+0x356/0x510 [ 3109.522409] ? do_dup2+0x450/0x450 [ 3109.525947] ? lock_downgrade+0x720/0x720 [ 3109.530108] ? vfs_write+0x3d7/0x540 [ 3109.533839] ? __fdget+0x1d0/0x230 [ 3109.537369] __x64_sys_sendmsg+0x132/0x220 [ 3109.541599] ? __sys_sendmsg+0x1b0/0x1b0 [ 3109.545658] ? vfs_write+0x393/0x540 [ 3109.549407] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 3109.554160] ? trace_hardirqs_off_caller+0x69/0x210 [ 3109.559171] ? do_syscall_64+0x21/0x620 [ 3109.563146] do_syscall_64+0xf9/0x620 [ 3109.566954] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 3109.572159] RIP: 0033:0x45c1d9 [ 3109.575339] Code: 8d b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 5b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 3109.594238] RSP: 002b:00007f88c4703c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 3109.601926] RAX: ffffffffffffffda RBX: 000000000002af00 RCX: 000000000045c1d9 [ 3109.609198] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003 [ 3109.616460] RBP: 00007f88c4703ca0 R08: 0000000000000000 R09: 0000000000000000 [ 3109.623723] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003 [ 3109.630987] R13: 00007ffca592bc5f R14: 00007f88c47049c0 R15: 000000000078bfac 13:40:59 executing program 4 (fault-call:6 fault-nth:4): r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) [ 3109.708517] batman_adv: batadv0: Adding interface: veth173 [ 3109.714170] batman_adv: batadv0: The MTU of interface veth173 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 13:40:59 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x6558, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) 13:40:59 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x6, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) [ 3109.767210] batman_adv: batadv0: Not using interface veth173 (retrying later): interface not active [ 3109.837591] FAULT_INJECTION: forcing a failure. [ 3109.837591] name failslab, interval 1, probability 0, space 0, times 0 [ 3109.850962] CPU: 1 PID: 16399 Comm: syz-executor.4 Not tainted 4.19.133-syzkaller #0 [ 3109.858857] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 3109.868210] Call Trace: [ 3109.870810] dump_stack+0x1fc/0x2fe [ 3109.874466] should_fail.cold+0xa/0x14 [ 3109.878363] ? setup_fault_attr+0x200/0x200 [ 3109.882692] ? lock_acquire+0x170/0x3c0 [ 3109.886688] __should_failslab+0x115/0x180 [ 3109.890935] should_failslab+0x5/0xf [ 3109.894655] __kmalloc_track_caller+0x2a6/0x3c0 [ 3109.899338] ? kstrdup_const+0x53/0x80 [ 3109.903231] kstrdup+0x36/0x70 [ 3109.906427] kstrdup_const+0x53/0x80 [ 3109.910143] __kernfs_new_node+0x9b/0x680 [ 3109.914292] ? perf_trace_lock+0xe2/0x4b0 [ 3109.918443] ? kernfs_dop_revalidate+0x3a0/0x3a0 [ 3109.923202] ? perf_trace_lock_acquire+0x530/0x530 [ 3109.928141] ? pointer+0x850/0x850 [ 3109.931688] ? sysfs_do_create_link_sd+0x82/0x130 [ 3109.936544] kernfs_new_node+0x92/0x120 [ 3109.940521] kernfs_create_link+0xd1/0x228 [ 3109.944761] sysfs_do_create_link_sd+0x90/0x130 [ 3109.949432] sysfs_create_link+0x5f/0xc0 [ 3109.953501] __netdev_adjacent_dev_insert.part.0+0x3d6/0x7c0 [ 3109.959302] ? netdev_rx_csum_fault+0x30/0x30 [ 3109.963798] ? ip6_route_dev_notify+0xd7/0xcd0 [ 3109.968398] ? notifier_call_chain+0x1d5/0x230 [ 3109.972991] __netdev_upper_dev_link+0x521/0x980 [ 3109.977767] ? dev_get_by_name+0xe8/0x1b0 [ 3109.981936] ? __netdev_adjacent_dev_remove+0x520/0x520 [ 3109.987302] ? pipe_write+0xf41/0xf80 [ 3109.991113] ? check_preemption_disabled+0x41/0x280 [ 3109.996141] batadv_hardif_enable_interface+0x250/0xba0 [ 3110.001512] batadv_softif_slave_add+0x8a/0x100 [ 3110.006184] ? batadv_softif_slave_del+0xc0/0xc0 [ 3110.010941] do_set_master+0x1c8/0x220 [ 3110.014833] do_setlink+0x7ec/0x3540 [ 3110.018557] ? rtnl_fdb_add+0xa10/0xa10 [ 3110.022565] ? __sanitizer_cov_trace_switch+0x4b/0x80 [ 3110.027762] ? validate_nla+0x270/0x820 [ 3110.031740] ? nla_parse+0x1b2/0x290 [ 3110.035458] rtnl_newlink+0xda0/0x15a0 [ 3110.039356] ? rtnl_getlink+0x620/0x620 [ 3110.043343] ? __lock_acquire+0x6de/0x3ff0 [ 3110.047589] ? check_preemption_disabled+0x41/0x280 [ 3110.052617] ? perf_trace_lock_acquire+0x530/0x530 [ 3110.057546] ? perf_trace_lock+0xe2/0x4b0 [ 3110.061704] ? __read_once_size_nocheck.constprop.0+0x10/0x10 [ 3110.067602] ? __lock_acquire+0x6de/0x3ff0 [ 3110.071847] ? check_preemption_disabled+0x41/0x280 [ 3110.076870] ? perf_trace_lock_acquire+0x530/0x530 [ 3110.081802] ? perf_trace_lock+0xe2/0x4b0 [ 3110.085952] ? mark_held_locks+0xf0/0xf0 [ 3110.090023] ? perf_trace_lock_acquire+0x530/0x530 [ 3110.094955] ? perf_trace_lock_acquire+0x530/0x530 [ 3110.099911] ? perf_trace_lock+0xe2/0x4b0 [ 3110.104065] ? __lock_acquire+0x6de/0x3ff0 [ 3110.108310] ? check_preemption_disabled+0x41/0x280 [ 3110.113417] ? perf_trace_lock_acquire+0x530/0x530 [ 3110.118350] ? perf_trace_lock+0xe2/0x4b0 [ 3110.122500] ? _raw_spin_unlock_irq+0x24/0x80 [ 3110.127002] ? perf_trace_lock_acquire+0x530/0x530 [ 3110.131935] ? finish_task_switch+0x146/0x780 [ 3110.136428] ? finish_task_switch+0x118/0x780 [ 3110.140963] ? __mutex_add_waiter+0x160/0x160 [ 3110.145480] ? check_preemption_disabled+0x41/0x280 [ 3110.150505] ? rtnetlink_rcv_msg+0x3c3/0xb80 [ 3110.154931] ? rtnl_getlink+0x620/0x620 [ 3110.158908] rtnetlink_rcv_msg+0x453/0xb80 [ 3110.163148] ? rtnl_calcit.isra.0+0x430/0x430 [ 3110.167635] ? perf_trace_lock_acquire+0x530/0x530 [ 3110.172556] ? perf_trace_lock+0xe2/0x4b0 [ 3110.176721] ? netdev_pick_tx+0x2f0/0x2f0 [ 3110.180862] ? __copy_skb_header+0x414/0x500 [ 3110.185290] ? perf_trace_lock_acquire+0x530/0x530 [ 3110.190245] netlink_rcv_skb+0x160/0x440 [ 3110.194314] ? rtnl_calcit.isra.0+0x430/0x430 [ 3110.198817] ? netlink_ack+0xae0/0xae0 [ 3110.202857] netlink_unicast+0x4d5/0x690 [ 3110.206931] ? netlink_sendskb+0x110/0x110 [ 3110.211165] netlink_sendmsg+0x6bb/0xc40 [ 3110.215226] ? nlmsg_notify+0x1a0/0x1a0 [ 3110.219209] ? kernel_recvmsg+0x220/0x220 [ 3110.223435] ? nlmsg_notify+0x1a0/0x1a0 [ 3110.227431] sock_sendmsg+0xc3/0x120 [ 3110.231153] ___sys_sendmsg+0x7bb/0x8e0 [ 3110.235122] ? check_preemption_disabled+0x41/0x280 [ 3110.240128] ? copy_msghdr_from_user+0x440/0x440 [ 3110.244880] ? __fget+0x32f/0x510 [ 3110.248331] ? lock_downgrade+0x720/0x720 [ 3110.252470] ? check_preemption_disabled+0x41/0x280 [ 3110.257485] ? check_preemption_disabled+0x41/0x280 [ 3110.262488] ? __fget+0x356/0x510 [ 3110.265948] ? do_dup2+0x450/0x450 [ 3110.269480] ? lock_downgrade+0x720/0x720 [ 3110.273628] ? vfs_write+0x3d7/0x540 [ 3110.277347] ? __fdget+0x1d0/0x230 [ 3110.280938] __x64_sys_sendmsg+0x132/0x220 [ 3110.285158] ? __sys_sendmsg+0x1b0/0x1b0 [ 3110.289206] ? vfs_write+0x393/0x540 [ 3110.292908] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 3110.297654] ? trace_hardirqs_off_caller+0x69/0x210 [ 3110.302655] ? do_syscall_64+0x21/0x620 [ 3110.306626] do_syscall_64+0xf9/0x620 [ 3110.310425] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 3110.315604] RIP: 0033:0x45c1d9 [ 3110.318786] Code: 8d b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 5b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 13:40:59 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x25, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) [ 3110.337681] RSP: 002b:00007f88c4703c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 3110.345391] RAX: ffffffffffffffda RBX: 000000000002af00 RCX: 000000000045c1d9 [ 3110.352651] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003 [ 3110.359914] RBP: 00007f88c4703ca0 R08: 0000000000000000 R09: 0000000000000000 [ 3110.367167] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 3110.374424] R13: 00007ffca592bc5f R14: 00007f88c47049c0 R15: 000000000078bfac [ 3110.398262] SELinux: unrecognized netlink message: protocol=0 nlmsg_type=6 sclass=netlink_route_socket pid=16410 comm=syz-executor.1 13:41:00 executing program 4 (fault-call:6 fault-nth:5): r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) 13:41:00 executing program 3: ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x3f00, &(0x7f0000000200)={&(0x7f0000000640)=@newlink={0x20, 0x11, 0x40d, 0xc, 0x0, {0x5, 0x0, 0x0, r3}}, 0x20}, 0x1, 0x3f00}, 0x0) 13:41:00 executing program 2: openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(0xffffffffffffffff, 0x4020ae46, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000000000/0x18000)=nil, &(0x7f00000000c0)=[@text64={0x40, 0x0}], 0x1, 0x0, 0x0, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r4}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x3f00, &(0x7f0000000200)={&(0x7f0000000640)=@newlink={0xe, 0x11, 0x40d, 0xa, 0x0, {0x5, 0x0, 0x0, r4}}, 0x20}, 0x1, 0x3f00}, 0x0) [ 3110.529690] batman_adv: batadv0: Adding interface: veth201 [ 3110.535402] batman_adv: batadv0: The MTU of interface veth201 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 3110.599182] batman_adv: batadv0: Not using interface veth201 (retrying later): interface not active 13:41:00 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x7, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) 13:41:00 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000680)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r3, @ANYBLOB="0000000000000000280012000c00010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x6800, &(0x7f0000000280)={&(0x7f00000000c0)=@newlink={0x28, 0x10, 0x825, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_PROTO_DOWN={0x8, 0xa, 0x14}]}, 0x28}}, 0x0) [ 3110.814450] SELinux: unrecognized netlink message: protocol=0 nlmsg_type=7 sclass=netlink_route_socket pid=16454 comm=syz-executor.1 [ 3110.843446] batman_adv: batadv0: Adding interface: veth175 [ 3110.851642] batman_adv: batadv0: The MTU of interface veth175 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 3110.906903] batman_adv: batadv0: Not using interface veth175 (retrying later): interface not active [ 3110.939714] FAULT_INJECTION: forcing a failure. [ 3110.939714] name failslab, interval 1, probability 0, space 0, times 0 [ 3110.952195] CPU: 1 PID: 16452 Comm: syz-executor.4 Not tainted 4.19.133-syzkaller #0 [ 3110.960093] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 3110.969446] Call Trace: [ 3110.972038] dump_stack+0x1fc/0x2fe [ 3110.975671] should_fail.cold+0xa/0x14 [ 3110.978349] ------------[ cut here ]------------ [ 3110.979556] ? setup_fault_attr+0x200/0x200 [ 3110.979573] ? lock_acquire+0x170/0x3c0 [ 3110.979594] __should_failslab+0x115/0x180 [ 3110.979614] should_failslab+0x5/0xf [ 3110.985181] WARNING: CPU: 0 PID: 6411 at net/batman-adv/bat_iv_ogm.c:597 batadv_iv_send_outstanding_bat_ogm_packet.cold+0x3f/0x46 [ 3110.989021] kmem_cache_alloc+0x277/0x370 [ 3110.992967] Kernel panic - not syncing: panic_on_warn set ... [ 3110.992967] [ 3110.997185] __kernfs_new_node+0xd2/0x680 [ 3111.028319] ? perf_trace_lock+0xe2/0x4b0 [ 3111.032453] ? kernfs_dop_revalidate+0x3a0/0x3a0 [ 3111.037195] ? perf_trace_lock_acquire+0x530/0x530 [ 3111.042115] ? pointer+0x850/0x850 [ 3111.045645] ? sysfs_do_create_link_sd+0x82/0x130 [ 3111.050475] kernfs_new_node+0x92/0x120 [ 3111.054435] kernfs_create_link+0xd1/0x228 [ 3111.058657] sysfs_do_create_link_sd+0x90/0x130 [ 3111.063311] sysfs_create_link+0x5f/0xc0 [ 3111.067361] __netdev_adjacent_dev_insert.part.0+0x3d6/0x7c0 [ 3111.073146] ? netdev_rx_csum_fault+0x30/0x30 [ 3111.077624] ? ip6_route_dev_notify+0xd7/0xcd0 [ 3111.082206] ? notifier_call_chain+0x1d5/0x230 [ 3111.086780] __netdev_upper_dev_link+0x521/0x980 [ 3111.091531] ? dev_get_by_name+0xe8/0x1b0 [ 3111.095663] ? __netdev_adjacent_dev_remove+0x520/0x520 [ 3111.101017] ? check_preemption_disabled+0x41/0x280 [ 3111.106027] batadv_hardif_enable_interface+0x250/0xba0 [ 3111.111377] batadv_softif_slave_add+0x8a/0x100 [ 3111.116116] ? batadv_softif_slave_del+0xc0/0xc0 [ 3111.120863] do_set_master+0x1c8/0x220 [ 3111.124753] do_setlink+0x7ec/0x3540 [ 3111.128457] ? rtnl_fdb_add+0xa10/0xa10 [ 3111.132436] ? __sanitizer_cov_trace_switch+0x4b/0x80 [ 3111.137612] ? validate_nla+0x270/0x820 [ 3111.141585] ? nla_parse+0x1b2/0x290 [ 3111.145286] rtnl_newlink+0xda0/0x15a0 [ 3111.149167] ? rtnl_getlink+0x620/0x620 [ 3111.153134] ? __lock_acquire+0x6de/0x3ff0 [ 3111.157360] ? check_preemption_disabled+0x41/0x280 [ 3111.162357] ? perf_trace_lock_acquire+0x530/0x530 [ 3111.167265] ? perf_trace_lock+0xe2/0x4b0 [ 3111.171399] ? __read_once_size_nocheck.constprop.0+0x10/0x10 [ 3111.177270] ? __lock_acquire+0x6de/0x3ff0 [ 3111.181490] ? check_preemption_disabled+0x41/0x280 [ 3111.186488] ? perf_trace_lock_acquire+0x530/0x530 [ 3111.191417] ? perf_trace_lock+0xe2/0x4b0 [ 3111.195552] ? mark_held_locks+0xf0/0xf0 [ 3111.199598] ? perf_trace_lock_acquire+0x530/0x530 [ 3111.204515] ? perf_trace_lock_acquire+0x530/0x530 [ 3111.209442] ? perf_trace_lock+0xe2/0x4b0 [ 3111.213574] ? __lock_acquire+0x6de/0x3ff0 [ 3111.217795] ? check_preemption_disabled+0x41/0x280 [ 3111.222796] ? perf_trace_lock_acquire+0x530/0x530 [ 3111.227708] ? perf_trace_lock+0xe2/0x4b0 [ 3111.231838] ? _raw_spin_unlock_irq+0x24/0x80 [ 3111.236335] ? perf_trace_lock_acquire+0x530/0x530 [ 3111.241246] ? finish_task_switch+0x146/0x780 [ 3111.245721] ? finish_task_switch+0x118/0x780 [ 3111.250240] ? __mutex_add_waiter+0x160/0x160 [ 3111.254716] ? check_preemption_disabled+0x41/0x280 [ 3111.259713] ? rtnetlink_rcv_msg+0x3c3/0xb80 [ 3111.264115] ? rtnl_getlink+0x620/0x620 [ 3111.268071] rtnetlink_rcv_msg+0x453/0xb80 [ 3111.272292] ? rtnl_calcit.isra.0+0x430/0x430 [ 3111.276775] ? perf_trace_lock_acquire+0x530/0x530 [ 3111.281688] ? perf_trace_lock+0xe2/0x4b0 [ 3111.285816] ? netdev_pick_tx+0x2f0/0x2f0 [ 3111.289948] ? __copy_skb_header+0x414/0x500 [ 3111.294343] ? perf_trace_lock_acquire+0x530/0x530 [ 3111.299258] netlink_rcv_skb+0x160/0x440 [ 3111.303319] ? rtnl_calcit.isra.0+0x430/0x430 [ 3111.307796] ? netlink_ack+0xae0/0xae0 [ 3111.311677] netlink_unicast+0x4d5/0x690 [ 3111.315740] ? netlink_sendskb+0x110/0x110 [ 3111.319968] netlink_sendmsg+0x6bb/0xc40 [ 3111.324014] ? nlmsg_notify+0x1a0/0x1a0 [ 3111.327971] ? kernel_recvmsg+0x220/0x220 [ 3111.332109] ? nlmsg_notify+0x1a0/0x1a0 [ 3111.336067] sock_sendmsg+0xc3/0x120 [ 3111.339764] ___sys_sendmsg+0x7bb/0x8e0 [ 3111.343720] ? check_preemption_disabled+0x41/0x280 [ 3111.348720] ? copy_msghdr_from_user+0x440/0x440 [ 3111.353463] ? __fget+0x32f/0x510 [ 3111.356907] ? lock_downgrade+0x720/0x720 [ 3111.361043] ? check_preemption_disabled+0x41/0x280 [ 3111.366043] ? check_preemption_disabled+0x41/0x280 [ 3111.371046] ? __fget+0x356/0x510 [ 3111.374487] ? do_dup2+0x450/0x450 [ 3111.378008] ? lock_downgrade+0x720/0x720 [ 3111.382141] ? vfs_write+0x3d7/0x540 [ 3111.385840] ? __fdget+0x1d0/0x230 [ 3111.389378] __x64_sys_sendmsg+0x132/0x220 [ 3111.393594] ? __sys_sendmsg+0x1b0/0x1b0 [ 3111.397637] ? vfs_write+0x393/0x540 [ 3111.401346] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 3111.406100] ? trace_hardirqs_off_caller+0x69/0x210 [ 3111.411105] ? do_syscall_64+0x21/0x620 [ 3111.415066] do_syscall_64+0xf9/0x620 [ 3111.418856] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 3111.424027] RIP: 0033:0x45c1d9 [ 3111.427203] Code: 8d b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 5b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 3111.446091] RSP: 002b:00007f88c4703c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 3111.453780] RAX: ffffffffffffffda RBX: 000000000002af00 RCX: 000000000045c1d9 [ 3111.461033] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003 [ 3111.468286] RBP: 00007f88c4703ca0 R08: 0000000000000000 R09: 0000000000000000 [ 3111.475639] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 3111.482889] R13: 00007ffca592bc5f R14: 00007f88c47049c0 R15: 000000000078bfac [ 3111.490163] CPU: 0 PID: 6411 Comm: kworker/u4:5 Not tainted 4.19.133-syzkaller #0 [ 3111.497803] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 3111.507161] Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet [ 3111.514250] Call Trace: [ 3111.516841] dump_stack+0x1fc/0x2fe [ 3111.520480] panic+0x26a/0x50e [ 3111.523697] ? __warn_printk+0xf3/0xf3 [ 3111.527621] ? batadv_iv_send_outstanding_bat_ogm_packet.cold+0x3f/0x46 [ 3111.534383] ? __probe_kernel_read+0x16c/0x1b0 [ 3111.538970] ? __warn.cold+0x5/0x61 [ 3111.542626] ? __warn+0xe4/0x200 [ 3111.546008] ? batadv_iv_send_outstanding_bat_ogm_packet.cold+0x3f/0x46 [ 3111.552773] __warn.cold+0x20/0x61 [ 3111.556313] ? io_schedule_timeout+0x140/0x140 [ 3111.558395] batman_adv: batadv0: Adding interface: veth205 [ 3111.560917] ? batadv_iv_send_outstanding_bat_ogm_packet.cold+0x3f/0x46 [ 3111.566530] batman_adv: batadv0: The MTU of interface veth205 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 3111.573259] report_bug+0x262/0x2b0 [ 3111.573281] do_error_trap+0x1d7/0x310 [ 3111.573297] ? math_error+0x310/0x310 [ 3111.573313] ? __irq_work_queue_local+0x101/0x160 [ 3111.573333] ? irq_work_queue+0x29/0x80 [ 3111.617914] ? wake_up_klogd+0x8c/0xc0 [ 3111.621815] ? trace_hardirqs_off_caller+0x69/0x210 [ 3111.626846] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 3111.631708] invalid_op+0x14/0x20 [ 3111.635167] RIP: 0010:batadv_iv_send_outstanding_bat_ogm_packet.cold+0x3f/0x46 [ 3111.642526] Code: ad ff ff e8 3d 42 4f fa 48 c7 c7 40 5c 47 88 e8 e0 54 3a fa e9 19 ad ff ff e8 27 42 4f fa 48 c7 c7 40 59 47 88 e8 ca 54 3a fa <0f> 0b e9 01 ad ff ff e8 0f 42 4f fa 48 c7 c7 40 59 47 88 e8 b2 54 [ 3111.661517] RSP: 0018:ffff8880a8a4fcc8 EFLAGS: 00010282 [ 3111.663965] batman_adv: batadv0: Not using interface veth205 (retrying later): interface not active [ 3111.666878] RAX: 0000000000000024 RBX: ffff88804f76c4c8 RCX: 0000000000000000 [ 3111.666889] RDX: 0000000000000000 RSI: ffffffff8154cd91 RDI: ffffed1015149f8b [ 3111.666899] RBP: ffff88805117cc00 R08: 0000000000000024 R09: 0000000000000000 [ 3111.666908] R10: 0000000000000005 R11: 0000000000000000 R12: ffff88809139f680 [ 3111.666919] R13: ffff888029f0a040 R14: ffff88804f76c480 R15: ffff88805117cc00 [ 3111.666954] ? vprintk_func+0x81/0x17e [ 3111.666978] ? batadv_iv_send_outstanding_bat_ogm_packet.cold+0x3f/0x46 [ 3111.667008] process_one_work+0x864/0x1570 [ 3111.667035] ? pwq_dec_nr_in_flight+0x2d0/0x2d0 [ 3111.732042] worker_thread+0x64c/0x1130 [ 3111.736029] ? process_one_work+0x1570/0x1570 [ 3111.740529] kthread+0x30b/0x410 [ 3111.743898] ? kthread_park+0x180/0x180 [ 3111.747881] ret_from_fork+0x24/0x30 [ 3111.753005] Kernel Offset: disabled [ 3111.756898] Rebooting in 86400 seconds..