, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x48}}, 0x0) 07:23:45 executing program 5: syz_usb_connect$printer(0x2, 0x2d, &(0x7f00000000c0)={{0x12, 0x1, 0x0, 0x0, 0x0, 0x0, 0x20, 0x525, 0xa4a8, 0x40, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x1b, 0x1}}]}}, 0x0) [ 1139.552865][T29860] batman_adv: Cannot find parent device 07:23:46 executing program 4: mount$fuse(0x0, &(0x7f0000000040)='./file0\x00', 0x0, 0x0, &(0x7f00000000c0)={{}, 0x2c, {}, 0x2c, {}, 0x2c, {'group_id', 0x3d, 0xee00}}) [ 1139.907692][T29872] batman_adv: Cannot find parent device [ 1139.921951][T29872] batman_adv: batadv0: Adding interface: ip6gretap586 [ 1139.929169][T29872] batman_adv: batadv0: The MTU of interface ip6gretap586 is too small (1434) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1139.956789][T29872] batman_adv: batadv0: Not using interface ip6gretap586 (retrying later): interface not active 07:23:46 executing program 3: r0 = syz_open_dev$binderN(&(0x7f0000000040), 0x0, 0x0) ioctl$BINDER_SET_CONTEXT_MGR_EXT(r0, 0x4018620d, 0x0) 07:23:46 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x4800}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) [ 1140.124297][ T1981] usb 6-1: new full-speed USB device number 4 using dummy_hcd [ 1140.174530][T29876] batman_adv: Cannot find parent device 07:23:46 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000180)={'batadv0\x00', 0x0}) r2 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x88a8ffff, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x48}}, 0x0) 07:23:46 executing program 1: r0 = socket$nl_route(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$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x6558}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) [ 1140.484923][ T1981] usb 6-1: config 1 interface 0 altsetting 0 has 1 endpoint descriptor, different from the interface descriptor's value: 0 [ 1140.584347][T29888] binder: 29884:29888 ioctl 4018620d 0 returned -22 [ 1140.612552][T29887] batman_adv: Cannot find parent device 07:23:47 executing program 4: r0 = openat$rdma_cm(0xffffffffffffff9c, &(0x7f0000000640), 0x2, 0x0) write$RDMA_USER_CM_CMD_CREATE_ID(r0, &(0x7f00000005c0)={0x0, 0x18, 0xfa00, {0x0, &(0x7f0000000580)={0xffffffffffffffff}, 0x13f}}, 0x20) write$RDMA_USER_CM_CMD_QUERY(r0, &(0x7f0000000600)={0x13, 0x10, 0xfa00, {&(0x7f0000000380), r1, 0x2}}, 0x18) [ 1140.715752][ T1981] usb 6-1: New USB device found, idVendor=0525, idProduct=a4a8, bcdDevice= 0.40 [ 1140.725960][ T1981] usb 6-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 1140.734757][ T1981] usb 6-1: Product: syz [ 1140.739235][ T1981] usb 6-1: Manufacturer: syz [ 1140.744404][ T1981] usb 6-1: SerialNumber: syz 07:23:47 executing program 3: process_vm_readv(0xffffffffffffffff, &(0x7f0000000000)=[{&(0x7f0000004b00)=""/221, 0xdd}], 0x1, &(0x7f00000012c0)=[{&(0x7f0000000240)=""/113, 0x71}, {0x0}], 0x2, 0x0) [ 1141.058246][T29895] batman_adv: Cannot find parent device [ 1141.071451][T29895] batman_adv: batadv0: Adding interface: ip6gretap587 [ 1141.078682][T29895] batman_adv: batadv0: The MTU of interface ip6gretap587 is too small (1434) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1141.106302][T29895] batman_adv: batadv0: Not using interface ip6gretap587 (retrying later): interface not active [ 1141.190931][T29901] batman_adv: Cannot find parent device [ 1141.199618][T29901] device ip6gretap761 entered promiscuous mode 07:23:47 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x4888}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:23:47 executing program 5: r0 = openat$vimc2(0xffffffffffffff9c, &(0x7f0000000140), 0x2, 0x0) ioctl$VIDIOC_S_EXT_CTRLS(r0, 0xc0205648, &(0x7f0000000280)={0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x0}) [ 1141.402487][ T1981] usb 6-1: USB disconnect, device number 4 07:23:48 executing program 4: syz_io_uring_setup(0x6ef4, &(0x7f0000000280), &(0x7f0000ffb000/0x2000)=nil, &(0x7f0000ffc000/0x2000)=nil, &(0x7f0000000300), &(0x7f0000000340)) syz_io_uring_setup(0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, &(0x7f0000ffb000/0x2000)=nil, 0x0, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) 07:23:48 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000180)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x8c020000, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x48}}, 0x0) 07:23:48 executing program 1: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$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, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x6800}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) [ 1141.860687][T29916] batman_adv: Cannot find parent device 07:23:48 executing program 3: r0 = socket$inet(0x2, 0x5, 0x0) setsockopt$IP_VS_SO_SET_ZERO(r0, 0x0, 0x48f, 0x0, 0x0) 07:23:48 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x4a00}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) [ 1142.221826][T29929] batman_adv: Cannot find parent device [ 1142.236462][T29929] batman_adv: batadv0: Adding interface: ip6gretap588 [ 1142.244208][T29929] batman_adv: batadv0: The MTU of interface ip6gretap588 is too small (1434) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 07:23:48 executing program 5: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f00000009c0), 0xffffffffffffffff) sendmsg$ETHTOOL_MSG_LINKINFO_GET(r0, &(0x7f0000001640)={0x0, 0x0, &(0x7f0000001600)={&(0x7f0000001440)={0x18, r1, 0x1, 0x0, 0x0, {}, [@HEADER={0x4}]}, 0x18}}, 0x0) [ 1142.271285][T29929] batman_adv: batadv0: Not using interface ip6gretap588 (retrying later): interface not active 07:23:48 executing program 4: waitid(0x0, 0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000400)) [ 1142.373422][T29932] batman_adv: Cannot find parent device 07:23:49 executing program 1: r0 = socket$nl_route(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$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x6a00}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:23:49 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000780)={0x0, 0x0, &(0x7f0000000740)={0x0}}, 0x0) [ 1142.725944][T29942] batman_adv: Cannot find parent device 07:23:49 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000180)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x967891f4, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x48}}, 0x0) 07:23:49 executing program 4: pselect6(0x0, 0x0, 0x0, 0x0, &(0x7f00000003c0)={0x77359400}, &(0x7f0000000440)={&(0x7f0000000400)={[0x4]}, 0x8}) 07:23:49 executing program 5: r0 = syz_open_dev$binderN(&(0x7f0000000040), 0x0, 0x0) ioctl$BINDER_SET_CONTEXT_MGR_EXT(r0, 0x4018620d, &(0x7f0000000080)) [ 1143.163971][T29952] batman_adv: Cannot find parent device 07:23:49 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x4c00}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:23:49 executing program 3: syz_open_dev$binderN(&(0x7f0000000240), 0x0, 0x0) [ 1143.584186][T29962] batman_adv: Cannot find parent device [ 1143.597247][T29962] batman_adv: batadv0: Adding interface: ip6gretap589 [ 1143.604347][T29962] batman_adv: batadv0: The MTU of interface ip6gretap589 is too small (1434) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 07:23:50 executing program 1: r0 = socket$nl_route(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$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x6c00}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) [ 1143.632365][T29962] batman_adv: batadv0: Not using interface ip6gretap589 (retrying later): interface not active [ 1143.764835][T29967] batman_adv: Cannot find parent device 07:23:50 executing program 5: syz_mount_image$reiserfs(0x0, &(0x7f0000000e40)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) open(&(0x7f0000000a00)='./file0\x00', 0x0, 0x0) 07:23:50 executing program 3: io_uring_setup(0x256c, &(0x7f0000000080)={0x0, 0x0, 0x2, 0x0, 0x2a4}) [ 1144.222485][T29976] batman_adv: Cannot find parent device 07:23:50 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x5865}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:23:51 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000180)={'batadv0\x00', 0x0}) r2 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x9effffff, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x48}}, 0x0) 07:23:51 executing program 5: openat$pfkey(0xffffffffffffff9c, &(0x7f0000000800), 0x240, 0x0) 07:23:51 executing program 1: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$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, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x7400}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:23:51 executing program 4: r0 = socket$inet6_udplite(0xa, 0x2, 0x88) ioctl$sock_ipv6_tunnel_SIOCGET6RD(r0, 0x89f8, &(0x7f00000038c0)={'ip6tnl0\x00', 0x0}) [ 1144.786309][T29988] batman_adv: Cannot find parent device [ 1145.076297][T29998] batman_adv: Cannot find parent device [ 1145.090875][T29998] batman_adv: batadv0: Adding interface: ip6gretap590 [ 1145.098918][T29998] batman_adv: batadv0: The MTU of interface ip6gretap590 is too small (1434) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 07:23:51 executing program 3: r0 = socket$inet(0x2, 0xa, 0x0) ioctl$sock_ipv4_tunnel_SIOCDELTUNNEL(r0, 0x89f2, &(0x7f0000000340)={'syztnl1\x00', 0x0}) [ 1145.126608][T29998] batman_adv: batadv0: Not using interface ip6gretap590 (retrying later): interface not active [ 1145.208111][T30003] batman_adv: Cannot find parent device 07:23:51 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x6000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:23:51 executing program 5: syz_io_uring_setup(0x0, &(0x7f0000000280), &(0x7f0000ffb000/0x2000)=nil, &(0x7f0000ffc000/0x2000)=nil, &(0x7f0000000300), &(0x7f0000000340)) 07:23:52 executing program 4: syz_io_uring_setup(0x1661, &(0x7f0000003380)={0x0, 0x998c, 0x2a}, &(0x7f0000ffc000/0x3000)=nil, &(0x7f0000ffd000/0x3000)=nil, &(0x7f0000003400), &(0x7f0000001740)) 07:23:52 executing program 1: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$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, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x7602}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:23:52 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000180)={'batadv0\x00', 0x0}) r2 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0xa3fcffff, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x48}}, 0x0) [ 1145.924799][T30016] batman_adv: Cannot find parent device 07:23:52 executing program 3: getpeername$packet(0xffffffffffffffff, 0x0, 0x0) eventfd(0x0) io_uring_register$IORING_REGISTER_EVENTFD_ASYNC(0xffffffffffffffff, 0x7, 0x0, 0x1) 07:23:52 executing program 5: socket$inet(0x2, 0x2, 0x3f) [ 1146.344409][T30027] batman_adv: Cannot find parent device 07:23:52 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x6558}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:23:52 executing program 4: r0 = io_uring_setup(0x361f, &(0x7f0000000100)) io_uring_register$IORING_REGISTER_EVENTFD_ASYNC(r0, 0x7, 0x0, 0x1) [ 1146.613113][T30031] batman_adv: Cannot find parent device [ 1146.626947][T30031] batman_adv: batadv0: Adding interface: ip6gretap591 [ 1146.634344][T30031] batman_adv: batadv0: The MTU of interface ip6gretap591 is too small (1434) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1146.661161][T30031] batman_adv: batadv0: Not using interface ip6gretap591 (retrying later): interface not active [ 1147.059135][T30043] batman_adv: Cannot find parent device 07:23:53 executing program 1: r0 = socket$nl_route(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$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x7a00}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:23:53 executing program 3: r0 = socket$inet(0x2, 0xa, 0x0) ioctl$sock_ipv4_tunnel_SIOCGETTUNNEL(r0, 0x89f0, &(0x7f00000009c0)={'gre0\x00', &(0x7f0000000940)={'syztnl2\x00', 0x0, 0x0, 0x0, 0x0, 0x0, {{0x5, 0x4, 0x0, 0x0, 0x14, 0x0, 0x0, 0x0, 0x0, 0x0, @loopback}}}}) 07:23:53 executing program 4: r0 = openat$pfkey(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) read$snapshot(r0, 0x0, 0x0) 07:23:54 executing program 2: r0 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x6800}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:23:54 executing program 5: r0 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) syz_io_uring_setup(0x1661, &(0x7f0000003380)={0x0, 0x998c, 0x2a, 0x0, 0x0, 0x0, r0}, &(0x7f0000ffc000/0x3000)=nil, &(0x7f0000ffd000/0x3000)=nil, &(0x7f0000003400), &(0x7f0000001740)) 07:23:54 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000180)={'batadv0\x00', 0x0}) r2 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0xaa030000, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x48}}, 0x0) [ 1147.723368][T30057] batman_adv: Cannot find parent device [ 1148.127541][T30068] batman_adv: Cannot find parent device 07:23:54 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_LISTALL(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={0x0}}, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000180), r0) [ 1148.259533][T30069] batman_adv: Cannot find parent device 07:23:54 executing program 1: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$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, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x8100}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:23:55 executing program 5: r0 = openat$rdma_cm(0xffffffffffffff9c, &(0x7f0000000640), 0x2, 0x0) write$RDMA_USER_CM_CMD_CREATE_ID(r0, &(0x7f0000000040)={0x0, 0x18, 0xfa00, {0x0, &(0x7f0000000000)={0xffffffffffffffff}, 0x13f}}, 0x20) write$RDMA_USER_CM_CMD_RESOLVE_ROUTE(r0, &(0x7f0000000080)={0x4, 0x8, 0xfa00, {r1}}, 0x10) 07:23:55 executing program 4: syz_io_uring_setup(0x0, 0x0, &(0x7f0000ffb000/0x2000)=nil, &(0x7f0000ffc000/0x2000)=nil, 0x0, 0x0) syz_io_uring_setup(0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, &(0x7f0000ffb000/0x2000)=nil, 0x0, 0x0) 07:23:55 executing program 2: r0 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x6a00}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:23:55 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000180)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0xbbebde79, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x48}}, 0x0) [ 1148.973136][T30085] batman_adv: Cannot find parent device [ 1148.982347][T30085] device ip6gretap768 entered promiscuous mode 07:23:55 executing program 3: r0 = openat$autofs(0xffffffffffffff9c, &(0x7f0000000880), 0x0, 0x0) sendmsg$L2TP_CMD_TUNNEL_GET(r0, 0x0, 0x0) [ 1149.270302][T30094] batman_adv: Cannot find parent device [ 1149.413990][T30099] batman_adv: Cannot find parent device [ 1149.427781][T30099] batman_adv: batadv0: Adding interface: ip6gretap593 [ 1149.434818][T30099] batman_adv: batadv0: The MTU of interface ip6gretap593 is too small (1434) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 07:23:55 executing program 5: syz_mount_image$fuse(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x0, 0x0, 0x3000, &(0x7f0000002100)={{}, 0x2c, {}, 0x2c, {'user_id', 0x3d, 0xffffffffffffffff}}) [ 1149.463944][T30099] batman_adv: batadv0: Not using interface ip6gretap593 (retrying later): interface not active 07:23:56 executing program 1: r0 = socket$nl_route(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$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x8847}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:23:56 executing program 4: r0 = syz_open_dev$cec(&(0x7f0000000080), 0x0, 0x2) ioctl$VIDIOC_STREAMON(r0, 0x40045612, 0x0) 07:23:56 executing program 2: r0 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x6c00}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:23:56 executing program 3: syz_mount_image$sysv(&(0x7f0000000100), &(0x7f0000000140)='./file0\x00', 0x10001, 0x0, &(0x7f0000000300), 0x0, &(0x7f0000000340)) [ 1150.132026][T30112] batman_adv: Cannot find parent device 07:23:56 executing program 5: syz_mount_image$reiserfs(0x0, &(0x7f0000000e40)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) syz_mount_image$ufs(0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0) open(&(0x7f0000000a00)='./file0\x00', 0x240000, 0x0) 07:23:56 executing program 4: r0 = openat$autofs(0xffffffffffffff9c, &(0x7f0000000880), 0x0, 0x0) syz_genetlink_get_family_id$l2tp(&(0x7f0000000f80), r0) 07:23:56 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000180)={'batadv0\x00', 0x0}) r2 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0xc3ffffff, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x48}}, 0x0) [ 1150.466652][T30117] batman_adv: Cannot find parent device 07:23:57 executing program 1: r0 = socket$nl_route(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$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x8848}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:23:57 executing program 3: getpeername$l2tp6(0xffffffffffffffff, 0x0, 0x0) 07:23:57 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x7400}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) [ 1150.935552][T30129] batman_adv: Cannot find parent device [ 1150.949225][T30129] batman_adv: batadv0: Adding interface: ip6gretap594 [ 1150.956401][T30129] batman_adv: batadv0: The MTU of interface ip6gretap594 is too small (1434) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1150.985029][T30129] batman_adv: batadv0: Not using interface ip6gretap594 (retrying later): interface not active 07:23:57 executing program 4: syz_mount_image$fuse(0x0, &(0x7f00000006c0)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) 07:23:57 executing program 5: openat$full(0xffffffffffffff9c, &(0x7f0000000340), 0x26001, 0x0) [ 1151.309505][T30135] batman_adv: Cannot find parent device [ 1151.493711][T30141] batman_adv: Cannot find parent device 07:23:58 executing program 3: bpf$MAP_CREATE(0x0, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x244}, 0x40) 07:23:58 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000180)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0xd1090000, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x48}}, 0x0) 07:23:58 executing program 1: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$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, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0xa600}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:23:58 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x7a00}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:23:58 executing program 5: bpf$MAP_CREATE(0x0, &(0x7f0000001780)={0x0, 0x0, 0x0, 0x0, 0x120c}, 0x40) 07:23:58 executing program 4: r0 = socket$inet6_udplite(0xa, 0x2, 0x88) ioctl$sock_inet6_SIOCADDRT(r0, 0x890b, &(0x7f0000000080)={@dev, @rand_addr=' \x01\x00', @mcast2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x200}) [ 1152.210336][T30154] batman_adv: Cannot find parent device [ 1152.225026][T30154] batman_adv: batadv0: Adding interface: ip6gretap595 [ 1152.232531][T30154] batman_adv: batadv0: The MTU of interface ip6gretap595 is too small (1434) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1152.260486][T30154] batman_adv: batadv0: Not using interface ip6gretap595 (retrying later): interface not active 07:23:58 executing program 3: r0 = openat$full(0xffffffffffffff9c, &(0x7f0000000600), 0x0, 0x0) accept4$ax25(r0, 0x0, 0x0, 0x0) [ 1152.315106][T30155] batman_adv: Cannot find parent device 07:23:59 executing program 1: r0 = socket$nl_route(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$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0xc002}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) [ 1152.581062][T30164] batman_adv: Cannot find parent device 07:23:59 executing program 5: r0 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000240)='/proc/sys/net/ipv4/vs/nat_icmp_send\x00', 0x2, 0x0) connect$vsock_stream(r0, 0x0, 0x0) 07:23:59 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000180)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0xd2090000, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x48}}, 0x0) [ 1152.969262][T30174] batman_adv: Cannot find parent device 07:23:59 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x7e03}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:23:59 executing program 4: select(0x40, &(0x7f0000000180), 0x0, &(0x7f0000000200), &(0x7f00000002c0)) 07:23:59 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NBD_CMD_DISCONNECT(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x40801) 07:23:59 executing program 5: prctl$PR_SET_SECCOMP(0x16, 0x2, &(0x7f0000000040)={0x1, &(0x7f0000000000)=[{0x0, 0x1}]}) [ 1153.507636][T30185] batman_adv: Cannot find parent device 07:24:00 executing program 1: r0 = socket$nl_route(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$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0xf603}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) [ 1153.607099][T30184] batman_adv: Cannot find parent device [ 1153.621993][T30184] batman_adv: batadv0: Adding interface: ip6gretap596 [ 1153.629808][T30184] batman_adv: batadv0: The MTU of interface ip6gretap596 is too small (1434) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1153.658431][T30184] batman_adv: batadv0: Not using interface ip6gretap596 (retrying later): interface not active 07:24:00 executing program 2: r0 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x8003}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:24:00 executing program 4: openat$autofs(0xffffffffffffff9c, &(0x7f0000000000), 0x90000, 0x0) [ 1154.000962][T30198] batman_adv: Cannot find parent device 07:24:00 executing program 5: wait4(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000040)) 07:24:00 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_ADD(r0, 0x0, 0x0) 07:24:00 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000180)={'batadv0\x00', 0x0}) r2 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0xd3090000, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x48}}, 0x0) [ 1154.367130][T30205] batman_adv: Cannot find parent device 07:24:01 executing program 1: r0 = socket$nl_route(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$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0xfc00}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:24:01 executing program 4: read$rfkill(0xffffffffffffffff, 0x0, 0x0) openat$fuse(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0) write$FUSE_NOTIFY_DELETE(0xffffffffffffffff, &(0x7f0000002140)=ANY=[@ANYBLOB], 0x2f) getgid() 07:24:01 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x8100}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:24:01 executing program 5: execveat(0xffffffffffffffff, &(0x7f0000000000)='./file0\x00', 0x0, 0x0, 0x400) [ 1155.019171][T30219] batman_adv: Cannot find parent device [ 1155.037853][T30219] batman_adv: batadv0: Adding interface: ip6gretap597 [ 1155.044954][T30219] batman_adv: batadv0: The MTU of interface ip6gretap597 is too small (1434) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1155.072393][T30219] batman_adv: batadv0: Not using interface ip6gretap597 (retrying later): interface not active 07:24:01 executing program 3: r0 = socket$inet_udp(0x2, 0x2, 0x0) setsockopt$inet_pktinfo(r0, 0x0, 0x8, &(0x7f0000000180)={0x0, @multicast2, @empty}, 0xc) [ 1155.201458][T30224] batman_adv: Cannot find parent device [ 1155.373814][T30231] batman_adv: Cannot find parent device 07:24:02 executing program 4: pselect6(0x0, 0x0, &(0x7f0000000100), 0x0, 0x0, 0x0) 07:24:02 executing program 1: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$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, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0xfd00}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:24:02 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000180)={'batadv0\x00', 0x0}) r2 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0xd4090000, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x48}}, 0x0) 07:24:02 executing program 2: r0 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x8803}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:24:02 executing program 5: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) signalfd4(r0, &(0x7f0000000100), 0x8, 0x0) 07:24:02 executing program 3: sendmsg$802154_dgram(0xffffffffffffffff, 0x0, 0x0) [ 1156.211586][T30246] batman_adv: Cannot find parent device [ 1156.225361][T30246] batman_adv: batadv0: Adding interface: ip6gretap598 [ 1156.232483][T30246] batman_adv: batadv0: The MTU of interface ip6gretap598 is too small (1434) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1156.259625][T30246] batman_adv: batadv0: Not using interface ip6gretap598 (retrying later): interface not active [ 1156.313764][T30253] batman_adv: Cannot find parent device [ 1156.321793][T30253] device ip6gretap775 entered promiscuous mode [ 1156.367061][T30250] batman_adv: Cannot find parent device 07:24:03 executing program 5: setsockopt$IP_VS_SO_SET_ZERO(0xffffffffffffffff, 0x0, 0x48f, 0x0, 0xffffffffffffff65) 07:24:03 executing program 3: semctl$IPC_INFO(0x0, 0x0, 0x3, &(0x7f0000000180)=""/114) 07:24:03 executing program 1: r0 = socket$nl_route(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$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0xfeff}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:24:03 executing program 2: r0 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x8847}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:24:03 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000180)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0xd6020000, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x48}}, 0x0) 07:24:03 executing program 4: openat$full(0xffffffffffffff9c, &(0x7f0000000440), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)) 07:24:03 executing program 5: r0 = syz_init_net_socket$802154_dgram(0x24, 0x2, 0x0) setsockopt$WPAN_WANTLQI(r0, 0x0, 0x3, &(0x7f0000000140), 0x4) [ 1157.356465][T30270] batman_adv: Cannot find parent device [ 1157.431597][T30271] batman_adv: Cannot find parent device [ 1157.677166][T30283] batman_adv: Cannot find parent device [ 1157.690824][T30283] batman_adv: batadv0: Adding interface: ip6gretap599 [ 1157.698503][T30283] batman_adv: batadv0: The MTU of interface ip6gretap599 is too small (1434) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1157.726244][T30283] batman_adv: batadv0: Not using interface ip6gretap599 (retrying later): interface not active 07:24:04 executing program 3: r0 = socket$inet_udp(0x2, 0x2, 0x0) ioctl$sock_SIOCGIFCONF(r0, 0x8912, &(0x7f0000000100)=@req={0x28, &(0x7f00000000c0)={'ip6_vti0\x00', @ifru_settings={0x0, 0x0, @sync=0x0}}}) 07:24:04 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x8848}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:24:04 executing program 4: openat$tun(0xffffffffffffff9c, &(0x7f0000000140), 0x103000, 0x0) 07:24:04 executing program 1: r0 = socket$nl_route(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$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0xff00}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:24:04 executing program 5: openat$vim2m(0xffffffffffffff9c, 0x0, 0x2, 0x0) syz_open_dev$vim2m(&(0x7f0000002b00), 0x0, 0x2) [ 1158.353430][T30294] batman_adv: Cannot find parent device 07:24:04 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000180)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0xe0ffffff, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x48}}, 0x0) 07:24:05 executing program 3: perf_event_open(&(0x7f00000008c0)={0x0, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffffffff00000000, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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) 07:24:05 executing program 4: r0 = socket$inet(0x2, 0xa, 0x0) ioctl$ifreq_SIOCGIFINDEX_team(r0, 0x8933, &(0x7f0000004f00)) [ 1158.586233][T30300] batman_adv: Cannot find parent device [ 1158.594555][T30300] device ip6gretap777 entered promiscuous mode 07:24:05 executing program 5: perf_event_open(&(0x7f0000000000)={0x0, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x700, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) 07:24:05 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x9203}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) [ 1158.926295][T30307] batman_adv: Cannot find parent device [ 1158.941487][T30307] batman_adv: batadv0: Adding interface: ip6gretap600 [ 1158.949697][T30307] batman_adv: batadv0: The MTU of interface ip6gretap600 is too small (1434) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1158.978938][T30307] batman_adv: batadv0: Not using interface ip6gretap600 (retrying later): interface not active 07:24:05 executing program 1: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$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, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0xff0f}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:24:05 executing program 3: openat$snapshot(0xffffffffffffff9c, &(0x7f0000000740), 0x2c040, 0x0) 07:24:05 executing program 4: syz_open_dev$audion(0x0, 0x0, 0x0) syz_open_dev$audion(0x0, 0x0, 0x0) 07:24:05 executing program 5: syz_usb_connect$printer(0x0, 0x2d, &(0x7f00000000c0)={{0x12, 0x1, 0x200, 0x0, 0x0, 0x0, 0x20, 0x525, 0xa4a8, 0x40, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x1b, 0x1, 0x1, 0x0, 0x0, 0x0, [{{0x9, 0x4, 0x0, 0x0, 0x2, 0x7, 0x1, 0x0, 0x1}}]}}]}}, 0x0) [ 1159.410324][T30317] batman_adv: Cannot find parent device [ 1159.490871][T30320] batman_adv: Cannot find parent device [ 1159.501472][T30320] device ip6gretap778 entered promiscuous mode 07:24:06 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000180)={'batadv0\x00', 0x0}) r2 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0xee030000, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x48}}, 0x0) 07:24:06 executing program 1: r0 = socket$nl_route(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$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0xff7f}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:24:06 executing program 2: r0 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0xa100}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:24:06 executing program 4: bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000001f40)={0x11, 0x7, &(0x7f0000001180)=ANY=[], &(0x7f0000000140)='syzkaller\x00', 0x80, 0x1000, &(0x7f0000000180)=""/4096, 0x0, 0x0, '\x00', 0x0, 0x0, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0}, 0x78) 07:24:06 executing program 3: syz_open_dev$vcsu(&(0x7f0000000340), 0x0, 0x6382) [ 1160.224774][ T9241] usb 6-1: new high-speed USB device number 5 using dummy_hcd [ 1160.391473][T30339] batman_adv: Cannot find parent device [ 1160.406036][T30339] batman_adv: batadv0: Adding interface: ip6gretap601 [ 1160.414711][T30339] batman_adv: batadv0: The MTU of interface ip6gretap601 is too small (1434) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1160.442444][T30339] batman_adv: batadv0: Not using interface ip6gretap601 (retrying later): interface not active [ 1160.491851][T30340] batman_adv: Cannot find parent device [ 1160.501113][T30340] device ip6gretap779 entered promiscuous mode [ 1160.541543][T30342] batman_adv: Cannot find parent device [ 1160.552035][ T9241] usb 6-1: Using ep0 maxpacket: 32 [ 1160.694142][ T9241] usb 6-1: config 1 interface 0 altsetting 0 endpoint 0x1 has invalid wMaxPacketSize 0 [ 1160.704428][ T9241] usb 6-1: config 1 interface 0 altsetting 0 bulk endpoint 0x1 has invalid maxpacket 0 [ 1160.715008][ T9241] usb 6-1: config 1 interface 0 altsetting 0 has 1 endpoint descriptor, different from the interface descriptor's value: 2 07:24:07 executing program 2: r0 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0xaa03}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:24:07 executing program 4: syz_io_uring_setup(0x1661, &(0x7f0000003380), &(0x7f0000ffc000/0x3000)=nil, &(0x7f0000ffd000/0x3000)=nil, &(0x7f0000003400), &(0x7f0000001740)) 07:24:07 executing program 3: getresuid(&(0x7f0000000d40), &(0x7f0000000d80), 0x0) 07:24:07 executing program 1: r0 = socket$nl_route(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$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0xfffe}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) [ 1161.064066][ T9241] usb 6-1: New USB device found, idVendor=0525, idProduct=a4a8, bcdDevice= 0.40 [ 1161.077638][ T9241] usb 6-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 1161.087110][ T9241] usb 6-1: Product: syz [ 1161.091599][ T9241] usb 6-1: Manufacturer: syz [ 1161.097260][ T9241] usb 6-1: SerialNumber: syz 07:24:07 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000180)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0xf0ffffff, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x48}}, 0x0) [ 1161.459150][T30363] batman_adv: Cannot find parent device [ 1161.468353][T30363] device ip6gretap780 entered promiscuous mode [ 1161.506312][T30365] batman_adv: Cannot find parent device 07:24:08 executing program 4: openat$pfkey(0xffffffffffffff9c, 0x0, 0x0, 0x0) [ 1161.819876][T30373] batman_adv: Cannot find parent device [ 1161.834052][T30373] batman_adv: batadv0: Adding interface: ip6gretap602 [ 1161.842361][T30373] batman_adv: batadv0: The MTU of interface ip6gretap602 is too small (1434) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 07:24:08 executing program 5: r0 = syz_open_dev$vcsu(&(0x7f0000000200), 0x3, 0x0) getsockname(r0, 0x0, 0x0) [ 1161.869941][T30373] batman_adv: batadv0: Not using interface ip6gretap602 (retrying later): interface not active [ 1161.946208][ T9241] usb 6-1: USB disconnect, device number 5 07:24:08 executing program 3: openat$pfkey(0xffffffffffffff9c, 0x0, 0x5218c0, 0x0) 07:24:08 executing program 2: r0 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0xcc02}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:24:08 executing program 1: r0 = socket$nl_route(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$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x20000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:24:09 executing program 3: connect$x25(0xffffffffffffffff, &(0x7f0000000000), 0x12) socketpair(0x0, 0x0, 0x0, &(0x7f0000000440)) 07:24:09 executing program 4: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_MGMT_C_ADD(r0, &(0x7f00000025c0)={&(0x7f0000002500)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f0000002580)={0x0}}, 0x0) 07:24:09 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000180)={'batadv0\x00', 0x0}) r2 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0xf4917896, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x48}}, 0x0) 07:24:09 executing program 5: socketpair(0x32, 0x0, 0x0, &(0x7f00000023c0)) [ 1162.778203][T30394] batman_adv: Cannot find parent device [ 1162.845309][T30395] batman_adv: Cannot find parent device [ 1163.173819][T30410] batman_adv: Cannot find parent device [ 1163.187906][T30410] batman_adv: batadv0: Adding interface: ip6gretap603 [ 1163.195620][T30410] batman_adv: batadv0: The MTU of interface ip6gretap603 is too small (1434) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1163.224429][T30410] batman_adv: batadv0: Not using interface ip6gretap603 (retrying later): interface not active 07:24:09 executing program 2: r0 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0xcf09}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:24:09 executing program 4: socketpair(0x22, 0x0, 0x2, &(0x7f0000000300)) 07:24:09 executing program 1: r0 = socket$nl_route(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$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x30000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:24:09 executing program 5: perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) prctl$PR_SET_SECCOMP(0x16, 0x2, &(0x7f0000000040)={0x1, &(0x7f0000000000)=[{0x3, 0x1}]}) 07:24:09 executing program 3: syz_mount_image$pvfs2(&(0x7f0000000000), &(0x7f0000000080)='./file0\x00', 0x0, 0x0, 0x0, 0x14424, &(0x7f0000001780)) [ 1163.902193][T30420] batman_adv: Cannot find parent device 07:24:10 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000180)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0xfa030000, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x48}}, 0x0) [ 1163.982304][T30421] batman_adv: Cannot find parent device 07:24:10 executing program 5: syz_mount_image$sysv(&(0x7f0000000040), &(0x7f0000000080)='./file0\x00', 0x0, 0x1, &(0x7f00000004c0)=[{0x0, 0x0, 0x681}], 0x0, &(0x7f0000000580)) 07:24:10 executing program 4: r0 = openat$tun(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0) write$tun(r0, 0x0, 0x0) 07:24:10 executing program 3: syz_usb_connect$printer(0x0, 0x2d, &(0x7f00000000c0)={{0x12, 0x1, 0x0, 0x0, 0x0, 0x0, 0x20, 0x525, 0xa4a8, 0x40, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x1b, 0x1, 0x1, 0x0, 0x0, 0x0, [{{0x9, 0x4, 0x0, 0x0, 0x0, 0x7, 0x1, 0x0, 0x1}}]}}]}}, &(0x7f0000000240)={0x0, 0x0, 0x24, &(0x7f0000000140)={0x5, 0xf, 0x24, 0x2, [@ss_container_id={0x14, 0x10, 0x4, 0x0, "06b91aa8f083d0bee1fdc052532d620d"}, @wireless={0xb}]}, 0x1, [{0x0, 0x0}]}) 07:24:10 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0xd800}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) [ 1164.514199][T30433] batman_adv: Cannot find parent device [ 1164.528217][T30433] batman_adv: batadv0: Adding interface: ip6gretap604 [ 1164.535704][T30433] batman_adv: batadv0: The MTU of interface ip6gretap604 is too small (1434) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 07:24:11 executing program 1: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$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, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x3ffff}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) [ 1164.564508][T30433] batman_adv: batadv0: Not using interface ip6gretap604 (retrying later): interface not active [ 1164.900250][T30439] loop5: detected capacity change from 0 to 6 [ 1164.937564][T30439] VFS: unable to find oldfs superblock on device loop5 [ 1165.033808][T30448] batman_adv: Cannot find parent device [ 1165.043751][T30448] device ip6gretap783 entered promiscuous mode [ 1165.089791][T30439] loop5: detected capacity change from 0 to 6 07:24:11 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0xde02}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) [ 1165.504102][ T9241] usb 4-1: new high-speed USB device number 2 using dummy_hcd 07:24:12 executing program 4: r0 = socket$packet(0x11, 0x3, 0x300) ioctl$sock_SIOCSIFVLAN_SET_VLAN_NAME_TYPE_CMD(r0, 0x8983, 0x0) 07:24:12 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000180)={'batadv0\x00', 0x0}) r2 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0xfc000000, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x48}}, 0x0) 07:24:12 executing program 5: openat$full(0xffffffffffffff9c, 0x0, 0x511102, 0x0) 07:24:12 executing program 1: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$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, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x40000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) [ 1165.754499][ T9241] usb 4-1: Using ep0 maxpacket: 32 [ 1165.874653][ T9241] usb 4-1: config 1 interface 0 altsetting 0 has 1 endpoint descriptor, different from the interface descriptor's value: 0 [ 1166.067868][T30464] batman_adv: Cannot find parent device [ 1166.184374][T30472] batman_adv: Cannot find parent device [ 1166.200584][T30472] batman_adv: batadv0: Adding interface: ip6gretap605 [ 1166.207924][T30472] batman_adv: batadv0: The MTU of interface ip6gretap605 is too small (1434) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1166.237452][T30472] batman_adv: batadv0: Not using interface ip6gretap605 (retrying later): interface not active [ 1166.284965][ T9241] usb 4-1: string descriptor 0 read error: -22 [ 1166.294256][ T9241] usb 4-1: New USB device found, idVendor=0525, idProduct=a4a8, bcdDevice= 0.40 [ 1166.304717][ T9241] usb 4-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 07:24:12 executing program 4: r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$ETHTOOL_MSG_EEE_SET(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000001b80)=ANY=[@ANYBLOB='R'], 0x404}}, 0x0) [ 1166.387837][T30476] batman_adv: Cannot find parent device 07:24:12 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0xee03}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:24:13 executing program 5: r0 = socket$inet(0x2, 0xa, 0x0) ioctl$sock_ipv4_tunnel_SIOCDELTUNNEL(r0, 0x89f2, &(0x7f00000004c0)={'erspan0\x00', 0x0}) [ 1166.985346][T30488] batman_adv: Cannot find parent device 07:24:13 executing program 1: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$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, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x100000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:24:13 executing program 3: pselect6(0x40, &(0x7f00000000c0), &(0x7f0000000100), 0x0, &(0x7f0000000180)={0x0, 0x3938700}, 0x0) [ 1167.048485][T24812] usb 4-1: USB disconnect, device number 2 07:24:13 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000180)={'batadv0\x00', 0x0}) r2 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0xfc030000, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x48}}, 0x0) 07:24:13 executing program 4: semctl$SETVAL(0x0, 0x0, 0x10, &(0x7f0000000340)) 07:24:13 executing program 5: r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NL80211_CMD_PEER_MEASUREMENT_START(r0, &(0x7f0000002d80)={0x0, 0x0, &(0x7f0000002d40)={&(0x7f0000000d40)={0xec4, 0x0, 0x0, 0x0, 0x0, {{}, {@void, @val={0xc}}}, [@NL80211_PMSR_ATTR_PEERS={0x490, 0x5, 0x0, 0x1, [{0x120, 0x0, 0x0, 0x1, [@NL80211_PMSR_PEER_ATTR_ADDR={0xa, 0x1, @broadcast}, @NL80211_PMSR_PEER_ATTR_CHAN={0x34, 0x2, 0x0, 0x1, [@NL80211_ATTR_WIPHY_EDMG_BW_CONFIG={0x5}, @NL80211_ATTR_WIPHY_CHANNEL_TYPE={0x8}, @NL80211_ATTR_WIPHY_FREQ_OFFSET={0x8}, @NL80211_ATTR_CHANNEL_WIDTH={0x8, 0x9f, 0x6}, @NL80211_ATTR_CENTER_FREQ1={0x8}, @NL80211_ATTR_WIPHY_FREQ_OFFSET={0x8}]}, @NL80211_PMSR_PEER_ATTR_ADDR={0xa, 0x1, @device_b}, @NL80211_PMSR_PEER_ATTR_REQ={0xa8, 0x3, 0x0, 0x1, [@NL80211_PMSR_REQ_ATTR_DATA={0xa4, 0x1, 0x0, 0x1, [@NL80211_PMSR_TYPE_FTM={0x40, 0x1, 0x0, 0x1, [@NL80211_PMSR_FTM_REQ_ATTR_PREAMBLE={0x8}, @NL80211_PMSR_FTM_REQ_ATTR_NUM_FTMR_RETRIES={0x5, 0x7, 0x6}, @NL80211_PMSR_FTM_REQ_ATTR_ASAP={0x4}, @NL80211_PMSR_FTM_REQ_ATTR_REQUEST_LCI={0x4}, @NL80211_PMSR_FTM_REQ_ATTR_NUM_FTMR_RETRIES={0x5}, @NL80211_PMSR_FTM_REQ_ATTR_BURST_DURATION={0x5}, @NL80211_PMSR_FTM_REQ_ATTR_NON_TRIGGER_BASED={0x4}, @NL80211_PMSR_FTM_REQ_ATTR_FTMS_PER_BURST={0x5}, @NL80211_PMSR_FTM_REQ_ATTR_BURST_DURATION={0x5, 0x5, 0xd}]}, @NL80211_PMSR_TYPE_FTM={0x3c, 0x1, 0x0, 0x1, [@NL80211_PMSR_FTM_REQ_ATTR_NON_TRIGGER_BASED={0x4}, @NL80211_PMSR_FTM_REQ_ATTR_FTMS_PER_BURST={0x5}, @NL80211_PMSR_FTM_REQ_ATTR_ASAP={0x4}, @NL80211_PMSR_FTM_REQ_ATTR_TRIGGER_BASED={0x4}, @NL80211_PMSR_FTM_REQ_ATTR_PREAMBLE={0x8}, @NL80211_PMSR_FTM_REQ_ATTR_NON_TRIGGER_BASED={0x4}, @NL80211_PMSR_FTM_REQ_ATTR_FTMS_PER_BURST={0x5}, @NL80211_PMSR_FTM_REQ_ATTR_NUM_FTMR_RETRIES={0x5}, @NL80211_PMSR_FTM_REQ_ATTR_BURST_DURATION={0x5}]}, @NL80211_PMSR_TYPE_FTM={0x14, 0x1, 0x0, 0x1, [@NL80211_PMSR_FTM_REQ_ATTR_REQUEST_CIVICLOC={0x4}, @NL80211_PMSR_FTM_REQ_ATTR_BURST_DURATION={0x5}, @NL80211_PMSR_FTM_REQ_ATTR_REQUEST_CIVICLOC={0x4}]}, @NL80211_PMSR_TYPE_FTM={0xc, 0x1, 0x0, 0x1, [@NL80211_PMSR_FTM_REQ_ATTR_NUM_BURSTS_EXP={0x5}]}, @NL80211_PMSR_TYPE_FTM={0x4}]}]}, @NL80211_PMSR_PEER_ATTR_CHAN={0x1c, 0x2, 0x0, 0x1, [@NL80211_ATTR_WIPHY_EDMG_CHANNELS={0x5}, @NL80211_ATTR_WIPHY_FREQ_OFFSET={0x8, 0x122, 0xf6}, @NL80211_ATTR_CENTER_FREQ1={0x8}]}, @NL80211_PMSR_PEER_ATTR_ADDR={0xa}]}, {0x2f8, 0x0, 0x0, 0x1, [@NL80211_PMSR_PEER_ATTR_ADDR={0xa, 0x1, @broadcast}, @NL80211_PMSR_PEER_ATTR_CHAN={0x34, 0x2, 0x0, 0x1, [@NL80211_ATTR_WIPHY_FREQ={0x8}, @NL80211_ATTR_WIPHY_CHANNEL_TYPE={0x8}, @NL80211_ATTR_CHANNEL_WIDTH={0x8, 0x9f, 0x2}, @NL80211_ATTR_WIPHY_EDMG_CHANNELS={0x5}, @NL80211_ATTR_WIPHY_EDMG_CHANNELS={0x5, 0x118, 0x15}, @NL80211_ATTR_WIPHY_FREQ={0x8}]}, @NL80211_PMSR_PEER_ATTR_CHAN={0x4c, 0x2, 0x0, 0x1, [@NL80211_ATTR_WIPHY_CHANNEL_TYPE={0x8}, @NL80211_ATTR_CENTER_FREQ1={0x8}, @NL80211_ATTR_WIPHY_EDMG_BW_CONFIG={0x5}, @NL80211_ATTR_CHANNEL_WIDTH={0x8, 0x9f, 0x7}, @NL80211_ATTR_CHANNEL_WIDTH={0x8}, @NL80211_ATTR_CHANNEL_WIDTH={0x8}, @NL80211_ATTR_CENTER_FREQ2={0x8}, @NL80211_ATTR_WIPHY_EDMG_BW_CONFIG={0x5}, @NL80211_ATTR_WIPHY_EDMG_CHANNELS={0x5}]}, @NL80211_PMSR_PEER_ATTR_REQ={0x268, 0x3, 0x0, 0x1, [@NL80211_PMSR_REQ_ATTR_GET_AP_TSF={0x4}, @NL80211_PMSR_REQ_ATTR_GET_AP_TSF={0x4}, @NL80211_PMSR_REQ_ATTR_DATA={0x38, 0x1, 0x0, 0x1, [@NL80211_PMSR_TYPE_FTM={0x34, 0x1, 0x0, 0x1, [@NL80211_PMSR_FTM_REQ_ATTR_REQUEST_LCI={0x4}, @NL80211_PMSR_FTM_REQ_ATTR_BURST_DURATION={0x5}, @NL80211_PMSR_FTM_REQ_ATTR_PREAMBLE={0x8}, @NL80211_PMSR_FTM_REQ_ATTR_ASAP={0x4}, @NL80211_PMSR_FTM_REQ_ATTR_NON_TRIGGER_BASED={0x4}, @NL80211_PMSR_FTM_REQ_ATTR_BURST_DURATION={0x5, 0x5, 0xd}, @NL80211_PMSR_FTM_REQ_ATTR_NON_TRIGGER_BASED={0x4}, @NL80211_PMSR_FTM_REQ_ATTR_PREAMBLE={0x8, 0x2, 0x4}]}]}, @NL80211_PMSR_REQ_ATTR_DATA={0x98, 0x1, 0x0, 0x1, [@NL80211_PMSR_TYPE_FTM={0x24, 0x1, 0x0, 0x1, [@NL80211_PMSR_FTM_REQ_ATTR_REQUEST_LCI={0x4}, @NL80211_PMSR_FTM_REQ_ATTR_REQUEST_CIVICLOC={0x4}, @NL80211_PMSR_FTM_REQ_ATTR_REQUEST_CIVICLOC={0x4}, @NL80211_PMSR_FTM_REQ_ATTR_ASAP={0x4}, @NL80211_PMSR_FTM_REQ_ATTR_FTMS_PER_BURST={0x5}, @NL80211_PMSR_FTM_REQ_ATTR_FTMS_PER_BURST={0x5, 0x6, 0x16}]}, @NL80211_PMSR_TYPE_FTM={0x8, 0x1, 0x0, 0x1, [@NL80211_PMSR_FTM_REQ_ATTR_ASAP={0x4}]}, @NL80211_PMSR_TYPE_FTM={0x20, 0x1, 0x0, 0x1, [@NL80211_PMSR_FTM_REQ_ATTR_TRIGGER_BASED={0x4}, @NL80211_PMSR_FTM_REQ_ATTR_REQUEST_CIVICLOC={0x4}, @NL80211_PMSR_FTM_REQ_ATTR_FTMS_PER_BURST={0x5}, @NL80211_PMSR_FTM_REQ_ATTR_NUM_FTMR_RETRIES={0x5}, @NL80211_PMSR_FTM_REQ_ATTR_NON_TRIGGER_BASED={0x4}]}, @NL80211_PMSR_TYPE_FTM={0x30, 0x1, 0x0, 0x1, [@NL80211_PMSR_FTM_REQ_ATTR_NUM_FTMR_RETRIES={0x5}, @NL80211_PMSR_FTM_REQ_ATTR_BURST_PERIOD={0x6}, @NL80211_PMSR_FTM_REQ_ATTR_ASAP={0x4}, @NL80211_PMSR_FTM_REQ_ATTR_NON_TRIGGER_BASED={0x4}, @NL80211_PMSR_FTM_REQ_ATTR_PREAMBLE={0x8}, @NL80211_PMSR_FTM_REQ_ATTR_REQUEST_CIVICLOC={0x4}, @NL80211_PMSR_FTM_REQ_ATTR_BURST_DURATION={0x5}]}, @NL80211_PMSR_TYPE_FTM={0xc, 0x1, 0x0, 0x1, [@NL80211_PMSR_FTM_REQ_ATTR_ASAP={0x4}, @NL80211_PMSR_FTM_REQ_ATTR_ASAP={0x4}]}, @NL80211_PMSR_TYPE_FTM={0xc, 0x1, 0x0, 0x1, [@NL80211_PMSR_FTM_REQ_ATTR_ASAP={0x4}, @NL80211_PMSR_FTM_REQ_ATTR_ASAP={0x4}]}]}, @NL80211_PMSR_REQ_ATTR_GET_AP_TSF={0x4}, @NL80211_PMSR_REQ_ATTR_DATA={0x14, 0x1, 0x0, 0x1, [@NL80211_PMSR_TYPE_FTM={0x10, 0x1, 0x0, 0x1, [@NL80211_PMSR_FTM_REQ_ATTR_BURST_DURATION={0x5}, @NL80211_PMSR_FTM_REQ_ATTR_REQUEST_LCI={0x4}]}]}, @NL80211_PMSR_REQ_ATTR_GET_AP_TSF={0x4}, @NL80211_PMSR_REQ_ATTR_DATA={0x114, 0x1, 0x0, 0x1, [@NL80211_PMSR_TYPE_FTM={0x28, 0x1, 0x0, 0x1, [@NL80211_PMSR_FTM_REQ_ATTR_NON_TRIGGER_BASED={0x4}, @NL80211_PMSR_FTM_REQ_ATTR_PREAMBLE={0x8, 0x2, 0x3}, @NL80211_PMSR_FTM_REQ_ATTR_ASAP={0x4}, @NL80211_PMSR_FTM_REQ_ATTR_TRIGGER_BASED={0x4}, @NL80211_PMSR_FTM_REQ_ATTR_NUM_FTMR_RETRIES={0x5}, @NL80211_PMSR_FTM_REQ_ATTR_NUM_BURSTS_EXP={0x5, 0x3, 0x6}]}, @NL80211_PMSR_TYPE_FTM={0x28, 0x1, 0x0, 0x1, [@NL80211_PMSR_FTM_REQ_ATTR_ASAP={0x4}, @NL80211_PMSR_FTM_REQ_ATTR_FTMS_PER_BURST={0x5, 0x6, 0x1b}, @NL80211_PMSR_FTM_REQ_ATTR_BURST_PERIOD={0x6}, @NL80211_PMSR_FTM_REQ_ATTR_FTMS_PER_BURST={0x5, 0x6, 0x16}, @NL80211_PMSR_FTM_REQ_ATTR_BURST_PERIOD={0x6}]}, @NL80211_PMSR_TYPE_FTM={0x20, 0x1, 0x0, 0x1, [@NL80211_PMSR_FTM_REQ_ATTR_ASAP={0x4}, @NL80211_PMSR_FTM_REQ_ATTR_TRIGGER_BASED={0x4}, @NL80211_PMSR_FTM_REQ_ATTR_NUM_FTMR_RETRIES={0x5, 0x7, 0x9}, @NL80211_PMSR_FTM_REQ_ATTR_NUM_BURSTS_EXP={0x5}, @NL80211_PMSR_FTM_REQ_ATTR_REQUEST_LCI={0x4}]}, @NL80211_PMSR_TYPE_FTM={0x34, 0x1, 0x0, 0x1, [@NL80211_PMSR_FTM_REQ_ATTR_FTMS_PER_BURST={0x5}, @NL80211_PMSR_FTM_REQ_ATTR_NON_TRIGGER_BASED={0x4}, @NL80211_PMSR_FTM_REQ_ATTR_NON_TRIGGER_BASED={0x4}, @NL80211_PMSR_FTM_REQ_ATTR_PREAMBLE={0x8}, @NL80211_PMSR_FTM_REQ_ATTR_FTMS_PER_BURST={0x5}, @NL80211_PMSR_FTM_REQ_ATTR_PREAMBLE={0x8, 0x2, 0x2}, @NL80211_PMSR_FTM_REQ_ATTR_NUM_FTMR_RETRIES={0x5}]}, @NL80211_PMSR_TYPE_FTM={0x34, 0x1, 0x0, 0x1, [@NL80211_PMSR_FTM_REQ_ATTR_BURST_PERIOD={0x6}, @NL80211_PMSR_FTM_REQ_ATTR_NON_TRIGGER_BASED={0x4}, @NL80211_PMSR_FTM_REQ_ATTR_REQUEST_CIVICLOC={0x4}, @NL80211_PMSR_FTM_REQ_ATTR_NUM_BURSTS_EXP={0x5}, @NL80211_PMSR_FTM_REQ_ATTR_BURST_PERIOD={0x6}, @NL80211_PMSR_FTM_REQ_ATTR_NUM_FTMR_RETRIES={0x5, 0x7, 0x81}, @NL80211_PMSR_FTM_REQ_ATTR_FTMS_PER_BURST={0x5}]}, @NL80211_PMSR_TYPE_FTM={0xc, 0x1, 0x0, 0x1, [@NL80211_PMSR_FTM_REQ_ATTR_BURST_DURATION={0x5, 0x5, 0x4}]}, @NL80211_PMSR_TYPE_FTM={0x2c, 0x1, 0x0, 0x1, [@NL80211_PMSR_FTM_REQ_ATTR_FTMS_PER_BURST={0x5}, @NL80211_PMSR_FTM_REQ_ATTR_ASAP={0x4}, @NL80211_PMSR_FTM_REQ_ATTR_PREAMBLE={0x8}, @NL80211_PMSR_FTM_REQ_ATTR_BURST_DURATION={0x5}, @NL80211_PMSR_FTM_REQ_ATTR_ASAP={0x4}, @NL80211_PMSR_FTM_REQ_ATTR_FTMS_PER_BURST={0x5}]}]}, @NL80211_PMSR_REQ_ATTR_DATA={0x58, 0x1, 0x0, 0x1, [@NL80211_PMSR_TYPE_FTM={0xc, 0x1, 0x0, 0x1, [@NL80211_PMSR_FTM_REQ_ATTR_NUM_BURSTS_EXP={0x5}]}, @NL80211_PMSR_TYPE_FTM={0x1c, 0x1, 0x0, 0x1, [@NL80211_PMSR_FTM_REQ_ATTR_PREAMBLE={0x8}, @NL80211_PMSR_FTM_REQ_ATTR_TRIGGER_BASED={0x4}, @NL80211_PMSR_FTM_REQ_ATTR_NUM_BURSTS_EXP={0x5}, @NL80211_PMSR_FTM_REQ_ATTR_REQUEST_LCI={0x4}]}, @NL80211_PMSR_TYPE_FTM={0xc, 0x1, 0x0, 0x1, [@NL80211_PMSR_FTM_REQ_ATTR_NUM_BURSTS_EXP={0x5, 0x3, 0xf}]}, @NL80211_PMSR_TYPE_FTM={0x20, 0x1, 0x0, 0x1, [@NL80211_PMSR_FTM_REQ_ATTR_ASAP={0x4}, @NL80211_PMSR_FTM_REQ_ATTR_NUM_FTMR_RETRIES={0x5}, @NL80211_PMSR_FTM_REQ_ATTR_TRIGGER_BASED={0x4}, @NL80211_PMSR_FTM_REQ_ATTR_BURST_PERIOD={0x6}, @NL80211_PMSR_FTM_REQ_ATTR_ASAP={0x4}]}]}, @NL80211_PMSR_REQ_ATTR_GET_AP_TSF={0x4}]}]}, {0x10, 0x0, 0x0, 0x1, [@NL80211_PMSR_PEER_ATTR_ADDR={0xa}]}, {0x64, 0x0, 0x0, 0x1, [@NL80211_PMSR_PEER_ATTR_ADDR={0xa}, @NL80211_PMSR_PEER_ATTR_CHAN={0x54, 0x2, 0x0, 0x1, [@NL80211_ATTR_WIPHY_FREQ={0x8}, @NL80211_ATTR_WIPHY_FREQ_OFFSET={0x8}, @NL80211_ATTR_WIPHY_FREQ={0x8, 0x26, @random}, @NL80211_ATTR_CENTER_FREQ1={0x8}, @NL80211_ATTR_WIPHY_CHANNEL_TYPE={0x8}, @NL80211_ATTR_WIPHY_FREQ={0x8, 0x26, @random=0x15b8}, @NL80211_ATTR_WIPHY_FREQ_OFFSET={0x8}, @NL80211_ATTR_WIPHY_CHANNEL_TYPE={0x8}, @NL80211_ATTR_WIPHY_EDMG_CHANNELS={0x5}, @NL80211_ATTR_WIPHY_FREQ_OFFSET={0x8}]}]}]}, @NL80211_PMSR_ATTR_PEERS={0xa14, 0x5, 0x0, 0x1, [{0x284, 0x0, 0x0, 0x1, [@NL80211_PMSR_PEER_ATTR_ADDR={0xa}, @NL80211_PMSR_PEER_ATTR_REQ={0x130, 0x3, 0x0, 0x1, [@NL80211_PMSR_REQ_ATTR_DATA={0x5c, 0x1, 0x0, 0x1, [@NL80211_PMSR_TYPE_FTM={0x14, 0x1, 0x0, 0x1, [@NL80211_PMSR_FTM_REQ_ATTR_PREAMBLE={0x8}, @NL80211_PMSR_FTM_REQ_ATTR_NUM_BURSTS_EXP={0x5, 0x3, 0x3}]}, @NL80211_PMSR_TYPE_FTM={0x24, 0x1, 0x0, 0x1, [@NL80211_PMSR_FTM_REQ_ATTR_REQUEST_CIVICLOC={0x4}, @NL80211_PMSR_FTM_REQ_ATTR_NUM_FTMR_RETRIES={0x5, 0x7, 0x3}, @NL80211_PMSR_FTM_REQ_ATTR_BURST_PERIOD={0x6}, @NL80211_PMSR_FTM_REQ_ATTR_BURST_DURATION={0x5}, @NL80211_PMSR_FTM_REQ_ATTR_REQUEST_LCI={0x4}]}, @NL80211_PMSR_TYPE_FTM={0x14, 0x1, 0x0, 0x1, [@NL80211_PMSR_FTM_REQ_ATTR_NUM_FTMR_RETRIES={0x5}, @NL80211_PMSR_FTM_REQ_ATTR_BURST_PERIOD={0x6, 0x4, 0x763}]}, @NL80211_PMSR_TYPE_FTM={0xc, 0x1, 0x0, 0x1, [@NL80211_PMSR_FTM_REQ_ATTR_NON_TRIGGER_BASED={0x4}, @NL80211_PMSR_FTM_REQ_ATTR_NON_TRIGGER_BASED={0x4}]}]}, @NL80211_PMSR_REQ_ATTR_GET_AP_TSF={0x4}, @NL80211_PMSR_REQ_ATTR_GET_AP_TSF={0x4}, @NL80211_PMSR_REQ_ATTR_GET_AP_TSF={0x4}, @NL80211_PMSR_REQ_ATTR_DATA={0x6c, 0x1, 0x0, 0x1, [@NL80211_PMSR_TYPE_FTM={0x4}, @NL80211_PMSR_TYPE_FTM={0x14, 0x1, 0x0, 0x1, [@NL80211_PMSR_FTM_REQ_ATTR_TRIGGER_BASED={0x4}, @NL80211_PMSR_FTM_REQ_ATTR_ASAP={0x4}, @NL80211_PMSR_FTM_REQ_ATTR_BURST_PERIOD={0x6, 0x4, 0x6}]}, @NL80211_PMSR_TYPE_FTM={0x1c, 0x1, 0x0, 0x1, [@NL80211_PMSR_FTM_REQ_ATTR_REQUEST_LCI={0x4}, @NL80211_PMSR_FTM_REQ_ATTR_REQUEST_CIVICLOC={0x4}, @NL80211_PMSR_FTM_REQ_ATTR_BURST_PERIOD={0x6, 0x4, 0x2}, @NL80211_PMSR_FTM_REQ_ATTR_REQUEST_CIVICLOC={0x4}, @NL80211_PMSR_FTM_REQ_ATTR_TRIGGER_BASED={0x4}]}, @NL80211_PMSR_TYPE_FTM={0x34, 0x1, 0x0, 0x1, [@NL80211_PMSR_FTM_REQ_ATTR_ASAP={0x4}, @NL80211_PMSR_FTM_REQ_ATTR_REQUEST_CIVICLOC={0x4}, @NL80211_PMSR_FTM_REQ_ATTR_NUM_BURSTS_EXP={0x5}, @NL80211_PMSR_FTM_REQ_ATTR_BURST_DURATION={0x5}, @NL80211_PMSR_FTM_REQ_ATTR_BURST_DURATION={0x5}, @NL80211_PMSR_FTM_REQ_ATTR_NUM_FTMR_RETRIES={0x5}, @NL80211_PMSR_FTM_REQ_ATTR_NUM_BURSTS_EXP={0x5}]}]}, @NL80211_PMSR_REQ_ATTR_DATA={0x54, 0x1, 0x0, 0x1, [@NL80211_PMSR_TYPE_FTM={0x2c, 0x1, 0x0, 0x1, [@NL80211_PMSR_FTM_REQ_ATTR_BURST_PERIOD={0x6}, @NL80211_PMSR_FTM_REQ_ATTR_REQUEST_CIVICLOC={0x4}, @NL80211_PMSR_FTM_REQ_ATTR_REQUEST_CIVICLOC={0x4}, @NL80211_PMSR_FTM_REQ_ATTR_BURST_DURATION={0x5}, @NL80211_PMSR_FTM_REQ_ATTR_ASAP={0x4}, @NL80211_PMSR_FTM_REQ_ATTR_REQUEST_CIVICLOC={0x4}, @NL80211_PMSR_FTM_REQ_ATTR_ASAP={0x4}, @NL80211_PMSR_FTM_REQ_ATTR_ASAP={0x4}]}, @NL80211_PMSR_TYPE_FTM={0x20, 0x1, 0x0, 0x1, [@NL80211_PMSR_FTM_REQ_ATTR_ASAP={0x4}, @NL80211_PMSR_FTM_REQ_ATTR_BURST_DURATION={0x5, 0x5, 0x2}, @NL80211_PMSR_FTM_REQ_ATTR_REQUEST_LCI={0x4}, @NL80211_PMSR_FTM_REQ_ATTR_BURST_PERIOD={0x6, 0x4, 0x9}, @NL80211_PMSR_FTM_REQ_ATTR_TRIGGER_BASED={0x4}]}, @NL80211_PMSR_TYPE_FTM={0x4}]}, @NL80211_PMSR_REQ_ATTR_GET_AP_TSF={0x4}]}, @NL80211_PMSR_PEER_ATTR_CHAN={0x14, 0x2, 0x0, 0x1, [@NL80211_ATTR_CHANNEL_WIDTH={0x8, 0x9f, 0x1}, @NL80211_ATTR_CHANNEL_WIDTH={0x8, 0x9f, 0x7}]}, @NL80211_PMSR_PEER_ATTR_ADDR={0xa, 0x1, @broadcast}, @NL80211_PMSR_PEER_ATTR_REQ={0x8, 0x3, 0x0, 0x1, [@NL80211_PMSR_REQ_ATTR_GET_AP_TSF={0x4}]}, @NL80211_PMSR_PEER_ATTR_REQ={0xb0, 0x3, 0x0, 0x1, [@NL80211_PMSR_REQ_ATTR_GET_AP_TSF={0x4}, @NL80211_PMSR_REQ_ATTR_GET_AP_TSF={0x4}, @NL80211_PMSR_REQ_ATTR_DATA={0x24, 0x1, 0x0, 0x1, [@NL80211_PMSR_TYPE_FTM={0x20, 0x1, 0x0, 0x1, [@NL80211_PMSR_FTM_REQ_ATTR_REQUEST_LCI={0x4}, @NL80211_PMSR_FTM_REQ_ATTR_NUM_FTMR_RETRIES={0x5, 0x7, 0x5}, @NL80211_PMSR_FTM_REQ_ATTR_PREAMBLE={0x8}, @NL80211_PMSR_FTM_REQ_ATTR_NUM_FTMR_RETRIES={0x5}]}]}, @NL80211_PMSR_REQ_ATTR_DATA={0x80, 0x1, 0x0, 0x1, [@NL80211_PMSR_TYPE_FTM={0x38, 0x1, 0x0, 0x1, [@NL80211_PMSR_FTM_REQ_ATTR_PREAMBLE={0x8}, @NL80211_PMSR_FTM_REQ_ATTR_REQUEST_LCI={0x4}, @NL80211_PMSR_FTM_REQ_ATTR_REQUEST_CIVICLOC={0x4}, @NL80211_PMSR_FTM_REQ_ATTR_ASAP={0x4}, @NL80211_PMSR_FTM_REQ_ATTR_BURST_DURATION={0x5}, @NL80211_PMSR_FTM_REQ_ATTR_PREAMBLE={0x8}, @NL80211_PMSR_FTM_REQ_ATTR_PREAMBLE={0x8}, @NL80211_PMSR_FTM_REQ_ATTR_FTMS_PER_BURST={0x5}]}, @NL80211_PMSR_TYPE_FTM={0x30, 0x1, 0x0, 0x1, [@NL80211_PMSR_FTM_REQ_ATTR_TRIGGER_BASED={0x4}, @NL80211_PMSR_FTM_REQ_ATTR_NUM_BURSTS_EXP={0x5}, @NL80211_PMSR_FTM_REQ_ATTR_BURST_PERIOD={0x6}, @NL80211_PMSR_FTM_REQ_ATTR_BURST_DURATION={0x5}, @NL80211_PMSR_FTM_REQ_ATTR_NUM_FTMR_RETRIES={0x5}, @NL80211_PMSR_FTM_REQ_ATTR_BURST_DURATION={0x5}]}, @NL80211_PMSR_TYPE_FTM={0x14, 0x1, 0x0, 0x1, [@NL80211_PMSR_FTM_REQ_ATTR_BURST_DURATION={0x5, 0x5, 0xc}, @NL80211_PMSR_FTM_REQ_ATTR_NUM_BURSTS_EXP={0x5}]}]}]}, @NL80211_PMSR_PEER_ATTR_REQ={0x60, 0x3, 0x0, 0x1, [@NL80211_PMSR_REQ_ATTR_DATA={0x58, 0x1, 0x0, 0x1, [@NL80211_PMSR_TYPE_FTM={0x1c, 0x1, 0x0, 0x1, [@NL80211_PMSR_FTM_REQ_ATTR_BURST_DURATION={0x5}, @NL80211_PMSR_FTM_REQ_ATTR_REQUEST_LCI={0x4}, @NL80211_PMSR_FTM_REQ_ATTR_FTMS_PER_BURST={0x5}, @NL80211_PMSR_FTM_REQ_ATTR_NON_TRIGGER_BASED={0x4}]}, @NL80211_PMSR_TYPE_FTM={0x10, 0x1, 0x0, 0x1, [@NL80211_PMSR_FTM_REQ_ATTR_NUM_FTMR_RETRIES={0x5}, @NL80211_PMSR_FTM_REQ_ATTR_ASAP={0x4}]}, @NL80211_PMSR_TYPE_FTM={0x8, 0x1, 0x0, 0x1, [@NL80211_PMSR_FTM_REQ_ATTR_REQUEST_CIVICLOC={0x4}]}, @NL80211_PMSR_TYPE_FTM={0x10, 0x1, 0x0, 0x1, [@NL80211_PMSR_FTM_REQ_ATTR_REQUEST_CIVICLOC={0x4}, @NL80211_PMSR_FTM_REQ_ATTR_PREAMBLE={0x8}]}, @NL80211_PMSR_TYPE_FTM={0x10, 0x1, 0x0, 0x1, [@NL80211_PMSR_FTM_REQ_ATTR_NUM_BURSTS_EXP={0x5, 0x3, 0xf}, @NL80211_PMSR_FTM_REQ_ATTR_NON_TRIGGER_BASED={0x4}]}]}, @NL80211_PMSR_REQ_ATTR_GET_AP_TSF={0x4}]}, @NL80211_PMSR_PEER_ATTR_CHAN={0xc, 0x2, 0x0, 0x1, [@NL80211_ATTR_WIPHY_FREQ_OFFSET={0x8}]}]}, {0x1c, 0x0, 0x0, 0x1, [@NL80211_PMSR_PEER_ATTR_ADDR={0xa, 0x1, @device_b}, @NL80211_PMSR_PEER_ATTR_REQ={0xc, 0x3, 0x0, 0x1, [@NL80211_PMSR_REQ_ATTR_GET_AP_TSF={0x4}, @NL80211_PMSR_REQ_ATTR_GET_AP_TSF={0x4}]}]}, {0xe0, 0x0, 0x0, 0x1, [@NL80211_PMSR_PEER_ATTR_REQ={0xc4, 0x3, 0x0, 0x1, [@NL80211_PMSR_REQ_ATTR_DATA={0xc0, 0x1, 0x0, 0x1, [@NL80211_PMSR_TYPE_FTM={0x34, 0x1, 0x0, 0x1, [@NL80211_PMSR_FTM_REQ_ATTR_REQUEST_LCI={0x4}, @NL80211_PMSR_FTM_REQ_ATTR_NUM_BURSTS_EXP={0x5, 0x3, 0xb}, @NL80211_PMSR_FTM_REQ_ATTR_FTMS_PER_BURST={0x5}, @NL80211_PMSR_FTM_REQ_ATTR_PREAMBLE={0x8}, @NL80211_PMSR_FTM_REQ_ATTR_REQUEST_CIVICLOC={0x4}, @NL80211_PMSR_FTM_REQ_ATTR_REQUEST_CIVICLOC={0x4}, @NL80211_PMSR_FTM_REQ_ATTR_BURST_PERIOD={0x6}, @NL80211_PMSR_FTM_REQ_ATTR_REQUEST_CIVICLOC={0x4}]}, @NL80211_PMSR_TYPE_FTM={0x10, 0x1, 0x0, 0x1, [@NL80211_PMSR_FTM_REQ_ATTR_BURST_DURATION={0x5}, @NL80211_PMSR_FTM_REQ_ATTR_NON_TRIGGER_BASED={0x4}]}, @NL80211_PMSR_TYPE_FTM={0x14, 0x1, 0x0, 0x1, [@NL80211_PMSR_FTM_REQ_ATTR_ASAP={0x4}, @NL80211_PMSR_FTM_REQ_ATTR_ASAP={0x4}, @NL80211_PMSR_FTM_REQ_ATTR_FTMS_PER_BURST={0x5, 0x6, 0x15}]}, @NL80211_PMSR_TYPE_FTM={0x14, 0x1, 0x0, 0x1, [@NL80211_PMSR_FTM_REQ_ATTR_NUM_FTMR_RETRIES={0x5, 0x7, 0xc3}, @NL80211_PMSR_FTM_REQ_ATTR_PREAMBLE={0x8}]}, @NL80211_PMSR_TYPE_FTM={0x1c, 0x1, 0x0, 0x1, [@NL80211_PMSR_FTM_REQ_ATTR_NON_TRIGGER_BASED={0x4}, @NL80211_PMSR_FTM_REQ_ATTR_NON_TRIGGER_BASED={0x4}, @NL80211_PMSR_FTM_REQ_ATTR_TRIGGER_BASED={0x4}, @NL80211_PMSR_FTM_REQ_ATTR_NUM_FTMR_RETRIES={0x5}, @NL80211_PMSR_FTM_REQ_ATTR_TRIGGER_BASED={0x4}]}, @NL80211_PMSR_TYPE_FTM={0x34, 0x1, 0x0, 0x1, [@NL80211_PMSR_FTM_REQ_ATTR_BURST_DURATION={0x5}, @NL80211_PMSR_FTM_REQ_ATTR_NUM_BURSTS_EXP={0x5, 0x3, 0x7}, @NL80211_PMSR_FTM_REQ_ATTR_ASAP={0x4}, @NL80211_PMSR_FTM_REQ_ATTR_ASAP={0x4}, @NL80211_PMSR_FTM_REQ_ATTR_FTMS_PER_BURST={0x5}, @NL80211_PMSR_FTM_REQ_ATTR_ASAP={0x4}, @NL80211_PMSR_FTM_REQ_ATTR_REQUEST_CIVICLOC={0x4}, @NL80211_PMSR_FTM_REQ_ATTR_BURST_PERIOD={0x6}]}]}]}, @NL80211_PMSR_PEER_ATTR_CHAN={0xc, 0x2, 0x0, 0x1, [@NL80211_ATTR_WIPHY_EDMG_BW_CONFIG={0x5, 0x119, 0xa}]}, @NL80211_PMSR_PEER_ATTR_ADDR={0xa, 0x1, @device_b}]}, {0x10, 0x0, 0x0, 0x1, [@NL80211_PMSR_PEER_ATTR_ADDR={0xa}]}, {0x100, 0x0, 0x0, 0x1, [@NL80211_PMSR_PEER_ATTR_CHAN={0x34, 0x2, 0x0, 0x1, [@NL80211_ATTR_WIPHY_FREQ={0x8, 0x26, @random}, @NL80211_ATTR_CENTER_FREQ1={0x8}, @NL80211_ATTR_CHANNEL_WIDTH={0x8}, @NL80211_ATTR_CENTER_FREQ2={0x8}, @NL80211_ATTR_WIPHY_EDMG_BW_CONFIG={0x5}, @NL80211_ATTR_CENTER_FREQ2={0x8}]}, @NL80211_PMSR_PEER_ATTR_CHAN={0x14, 0x2, 0x0, 0x1, [@NL80211_ATTR_WIPHY_EDMG_CHANNELS={0x5}, @NL80211_ATTR_WIPHY_FREQ={0x8}]}, @NL80211_PMSR_PEER_ATTR_CHAN={0x4}, @NL80211_PMSR_PEER_ATTR_CHAN={0x3c, 0x2, 0x0, 0x1, [@NL80211_ATTR_CHANNEL_WIDTH={0x8}, @NL80211_ATTR_WIPHY_CHANNEL_TYPE={0x8}, @NL80211_ATTR_CENTER_FREQ1={0x8}, @NL80211_ATTR_WIPHY_CHANNEL_TYPE={0x8, 0x27, 0x3}, @NL80211_ATTR_CENTER_FREQ2={0x8, 0xa1, 0x74a5}, @NL80211_ATTR_CENTER_FREQ1={0x8, 0xa0, 0x40}, @NL80211_ATTR_WIPHY_CHANNEL_TYPE={0x8}]}, @NL80211_PMSR_PEER_ATTR_CHAN={0x2c, 0x2, 0x0, 0x1, [@NL80211_ATTR_CHANNEL_WIDTH={0x8}, @NL80211_ATTR_WIPHY_FREQ={0x8}, @NL80211_ATTR_WIPHY_EDMG_BW_CONFIG={0x5}, @NL80211_ATTR_WIPHY_CHANNEL_TYPE={0x8}, @NL80211_ATTR_WIPHY_EDMG_CHANNELS={0x5}]}, @NL80211_PMSR_PEER_ATTR_ADDR={0xa, 0x1, @device_b}, @NL80211_PMSR_PEER_ATTR_CHAN={0x3c, 0x2, 0x0, 0x1, [@NL80211_ATTR_WIPHY_FREQ={0x8}, @NL80211_ATTR_WIPHY_EDMG_BW_CONFIG={0x5}, @NL80211_ATTR_WIPHY_FREQ={0x8, 0x26, @random}, @NL80211_ATTR_WIPHY_FREQ={0x8, 0x26, @random}, @NL80211_ATTR_CENTER_FREQ1={0x8, 0xa0, 0x81}, @NL80211_ATTR_WIPHY_FREQ={0x8, 0x26, @random=0x96c}, @NL80211_ATTR_WIPHY_FREQ={0x8, 0x26, @random=0x1478}]}]}, {0x580, 0x0, 0x0, 0x1, [@NL80211_PMSR_PEER_ATTR_REQ={0x330, 0x3, 0x0, 0x1, [@NL80211_PMSR_REQ_ATTR_DATA={0x64, 0x1, 0x0, 0x1, [@NL80211_PMSR_TYPE_FTM={0x3c, 0x1, 0x0, 0x1, [@NL80211_PMSR_FTM_REQ_ATTR_REQUEST_CIVICLOC={0x4}, @NL80211_PMSR_FTM_REQ_ATTR_REQUEST_LCI={0x4}, @NL80211_PMSR_FTM_REQ_ATTR_PREAMBLE={0x8}, @NL80211_PMSR_FTM_REQ_ATTR_BURST_PERIOD={0x6}, @NL80211_PMSR_FTM_REQ_ATTR_BURST_DURATION={0x5}, @NL80211_PMSR_FTM_REQ_ATTR_BURST_PERIOD={0x6}, @NL80211_PMSR_FTM_REQ_ATTR_NUM_BURSTS_EXP={0x5}, @NL80211_PMSR_FTM_REQ_ATTR_BURST_PERIOD={0x6}]}, @NL80211_PMSR_TYPE_FTM={0x24, 0x1, 0x0, 0x1, [@NL80211_PMSR_FTM_REQ_ATTR_TRIGGER_BASED={0x4}, @NL80211_PMSR_FTM_REQ_ATTR_BURST_DURATION={0x5}, @NL80211_PMSR_FTM_REQ_ATTR_BURST_PERIOD={0x6, 0x4, 0x5}, @NL80211_PMSR_FTM_REQ_ATTR_NON_TRIGGER_BASED={0x4}, @NL80211_PMSR_FTM_REQ_ATTR_BURST_DURATION={0x5}]}]}, @NL80211_PMSR_REQ_ATTR_DATA={0xb0, 0x1, 0x0, 0x1, [@NL80211_PMSR_TYPE_FTM={0x24, 0x1, 0x0, 0x1, [@NL80211_PMSR_FTM_REQ_ATTR_NON_TRIGGER_BASED={0x4}, @NL80211_PMSR_FTM_REQ_ATTR_TRIGGER_BASED={0x4}, @NL80211_PMSR_FTM_REQ_ATTR_NUM_BURSTS_EXP={0x5}, @NL80211_PMSR_FTM_REQ_ATTR_NUM_FTMR_RETRIES={0x5}, @NL80211_PMSR_FTM_REQ_ATTR_REQUEST_LCI={0x4}, @NL80211_PMSR_FTM_REQ_ATTR_NON_TRIGGER_BASED={0x4}]}, @NL80211_PMSR_TYPE_FTM={0x38, 0x1, 0x0, 0x1, [@NL80211_PMSR_FTM_REQ_ATTR_BURST_PERIOD={0x6, 0x4, 0x3f}, @NL80211_PMSR_FTM_REQ_ATTR_BURST_DURATION={0x5}, @NL80211_PMSR_FTM_REQ_ATTR_NUM_FTMR_RETRIES={0x5}, @NL80211_PMSR_FTM_REQ_ATTR_BURST_DURATION={0x5}, @NL80211_PMSR_FTM_REQ_ATTR_REQUEST_LCI={0x4}, @NL80211_PMSR_FTM_REQ_ATTR_PREAMBLE={0x8}, @NL80211_PMSR_FTM_REQ_ATTR_TRIGGER_BASED={0x4}, @NL80211_PMSR_FTM_REQ_ATTR_NON_TRIGGER_BASED={0x4}]}, @NL80211_PMSR_TYPE_FTM={0x14, 0x1, 0x0, 0x1, [@NL80211_PMSR_FTM_REQ_ATTR_REQUEST_LCI={0x4}, @NL80211_PMSR_FTM_REQ_ATTR_ASAP={0x4}, @NL80211_PMSR_FTM_REQ_ATTR_FTMS_PER_BURST={0x5}]}, @NL80211_PMSR_TYPE_FTM={0x24, 0x1, 0x0, 0x1, [@NL80211_PMSR_FTM_REQ_ATTR_FTMS_PER_BURST={0x5}, @NL80211_PMSR_FTM_REQ_ATTR_NUM_BURSTS_EXP={0x5}, @NL80211_PMSR_FTM_REQ_ATTR_BURST_PERIOD={0x6}, @NL80211_PMSR_FTM_REQ_ATTR_NUM_BURSTS_EXP={0x5}]}, @NL80211_PMSR_TYPE_FTM={0xc, 0x1, 0x0, 0x1, [@NL80211_PMSR_FTM_REQ_ATTR_BURST_PERIOD={0x6}]}, @NL80211_PMSR_TYPE_FTM={0xc, 0x1, 0x0, 0x1, [@NL80211_PMSR_FTM_REQ_ATTR_BURST_PERIOD={0x6, 0x4, 0x400}]}]}, @NL80211_PMSR_REQ_ATTR_GET_AP_TSF={0x4}, @NL80211_PMSR_REQ_ATTR_DATA={0x164, 0x1, 0x0, 0x1, [@NL80211_PMSR_TYPE_FTM={0x2c, 0x1, 0x0, 0x1, [@NL80211_PMSR_FTM_REQ_ATTR_BURST_DURATION={0x5}, @NL80211_PMSR_FTM_REQ_ATTR_FTMS_PER_BURST={0x5}, @NL80211_PMSR_FTM_REQ_ATTR_FTMS_PER_BURST={0x5}, @NL80211_PMSR_FTM_REQ_ATTR_NON_TRIGGER_BASED={0x4}, @NL80211_PMSR_FTM_REQ_ATTR_ASAP={0x4}, @NL80211_PMSR_FTM_REQ_ATTR_BURST_PERIOD={0x6}]}, @NL80211_PMSR_TYPE_FTM={0x20, 0x1, 0x0, 0x1, [@NL80211_PMSR_FTM_REQ_ATTR_PREAMBLE={0x8}, @NL80211_PMSR_FTM_REQ_ATTR_PREAMBLE={0x8}, @NL80211_PMSR_FTM_REQ_ATTR_FTMS_PER_BURST={0x5}, @NL80211_PMSR_FTM_REQ_ATTR_TRIGGER_BASED={0x4}]}, @NL80211_PMSR_TYPE_FTM={0x18, 0x1, 0x0, 0x1, [@NL80211_PMSR_FTM_REQ_ATTR_BURST_DURATION={0x5}, @NL80211_PMSR_FTM_REQ_ATTR_REQUEST_CIVICLOC={0x4}, @NL80211_PMSR_FTM_REQ_ATTR_REQUEST_LCI={0x4}, @NL80211_PMSR_FTM_REQ_ATTR_TRIGGER_BASED={0x4}]}, @NL80211_PMSR_TYPE_FTM={0x10, 0x1, 0x0, 0x1, [@NL80211_PMSR_FTM_REQ_ATTR_NON_TRIGGER_BASED={0x4}, @NL80211_PMSR_FTM_REQ_ATTR_NON_TRIGGER_BASED={0x4}, @NL80211_PMSR_FTM_REQ_ATTR_ASAP={0x4}]}, @NL80211_PMSR_TYPE_FTM={0x28, 0x1, 0x0, 0x1, [@NL80211_PMSR_FTM_REQ_ATTR_TRIGGER_BASED={0x4}, @NL80211_PMSR_FTM_REQ_ATTR_BURST_DURATION={0x5}, @NL80211_PMSR_FTM_REQ_ATTR_BURST_DURATION={0x5, 0x5, 0x7}, @NL80211_PMSR_FTM_REQ_ATTR_FTMS_PER_BURST={0x5, 0x6, 0x12}, @NL80211_PMSR_FTM_REQ_ATTR_FTMS_PER_BURST={0x5}]}, @NL80211_PMSR_TYPE_FTM={0x1c, 0x1, 0x0, 0x1, [@NL80211_PMSR_FTM_REQ_ATTR_PREAMBLE={0x8}, @NL80211_PMSR_FTM_REQ_ATTR_REQUEST_LCI={0x4}, @NL80211_PMSR_FTM_REQ_ATTR_REQUEST_LCI={0x4}, @NL80211_PMSR_FTM_REQ_ATTR_FTMS_PER_BURST={0x5}]}, @NL80211_PMSR_TYPE_FTM={0x30, 0x1, 0x0, 0x1, [@NL80211_PMSR_FTM_REQ_ATTR_ASAP={0x4}, @NL80211_PMSR_FTM_REQ_ATTR_FTMS_PER_BURST={0x5}, @NL80211_PMSR_FTM_REQ_ATTR_FTMS_PER_BURST={0x5}, @NL80211_PMSR_FTM_REQ_ATTR_TRIGGER_BASED={0x4}, @NL80211_PMSR_FTM_REQ_ATTR_TRIGGER_BASED={0x4}, @NL80211_PMSR_FTM_REQ_ATTR_FTMS_PER_BURST={0x5, 0x6, 0x2}, @NL80211_PMSR_FTM_REQ_ATTR_BURST_DURATION={0x5, 0x5, 0x1}]}, @NL80211_PMSR_TYPE_FTM={0x44, 0x1, 0x0, 0x1, [@NL80211_PMSR_FTM_REQ_ATTR_ASAP={0x4}, @NL80211_PMSR_FTM_REQ_ATTR_PREAMBLE={0x8}, @NL80211_PMSR_FTM_REQ_ATTR_PREAMBLE={0x8, 0x2, 0x3}, @NL80211_PMSR_FTM_REQ_ATTR_NUM_BURSTS_EXP={0x5}, @NL80211_PMSR_FTM_REQ_ATTR_PREAMBLE={0x8}, @NL80211_PMSR_FTM_REQ_ATTR_FTMS_PER_BURST={0x5}, @NL80211_PMSR_FTM_REQ_ATTR_NON_TRIGGER_BASED={0x4}, @NL80211_PMSR_FTM_REQ_ATTR_NUM_BURSTS_EXP={0x5}, @NL80211_PMSR_FTM_REQ_ATTR_FTMS_PER_BURST={0x5}]}, @NL80211_PMSR_TYPE_FTM={0x28, 0x1, 0x0, 0x1, [@NL80211_PMSR_FTM_REQ_ATTR_NON_TRIGGER_BASED={0x4}, @NL80211_PMSR_FTM_REQ_ATTR_PREAMBLE={0x8}, @NL80211_PMSR_FTM_REQ_ATTR_TRIGGER_BASED={0x4}, @NL80211_PMSR_FTM_REQ_ATTR_REQUEST_CIVICLOC={0x4}, @NL80211_PMSR_FTM_REQ_ATTR_BURST_DURATION={0x5}, @NL80211_PMSR_FTM_REQ_ATTR_BURST_DURATION={0x5}]}, @NL80211_PMSR_TYPE_FTM={0xc, 0x1, 0x0, 0x1, [@NL80211_PMSR_FTM_REQ_ATTR_NUM_FTMR_RETRIES={0x5, 0x7, 0x8}]}]}, @NL80211_PMSR_REQ_ATTR_DATA={0x24, 0x1, 0x0, 0x1, [@NL80211_PMSR_TYPE_FTM={0x20, 0x1, 0x0, 0x1, [@NL80211_PMSR_FTM_REQ_ATTR_ASAP={0x4}, @NL80211_PMSR_FTM_REQ_ATTR_BURST_DURATION={0x5, 0x5, 0xb}, @NL80211_PMSR_FTM_REQ_ATTR_BURST_PERIOD={0x6, 0x4, 0x5}, @NL80211_PMSR_FTM_REQ_ATTR_BURST_DURATION={0x5, 0x5, 0xf}]}]}, @NL80211_PMSR_REQ_ATTR_DATA={0x8c, 0x1, 0x0, 0x1, [@NL80211_PMSR_TYPE_FTM={0x4}, @NL80211_PMSR_TYPE_FTM={0x10, 0x1, 0x0, 0x1, [@NL80211_PMSR_FTM_REQ_ATTR_TRIGGER_BASED={0x4}, @NL80211_PMSR_FTM_REQ_ATTR_BURST_DURATION={0x5, 0x5, 0x7}]}, @NL80211_PMSR_TYPE_FTM={0x40, 0x1, 0x0, 0x1, [@NL80211_PMSR_FTM_REQ_ATTR_REQUEST_CIVICLOC={0x4}, @NL80211_PMSR_FTM_REQ_ATTR_NON_TRIGGER_BASED={0x4}, @NL80211_PMSR_FTM_REQ_ATTR_NON_TRIGGER_BASED={0x4}, @NL80211_PMSR_FTM_REQ_ATTR_BURST_PERIOD={0x6}, @NL80211_PMSR_FTM_REQ_ATTR_NUM_FTMR_RETRIES={0x5, 0x7, 0x63}, @NL80211_PMSR_FTM_REQ_ATTR_BURST_DURATION={0x5, 0x5, 0x7}, @NL80211_PMSR_FTM_REQ_ATTR_TRIGGER_BASED={0x4}, @NL80211_PMSR_FTM_REQ_ATTR_TRIGGER_BASED={0x4}, @NL80211_PMSR_FTM_REQ_ATTR_BURST_PERIOD={0x6}, @NL80211_PMSR_FTM_REQ_ATTR_NUM_FTMR_RETRIES={0x5}]}, @NL80211_PMSR_TYPE_FTM={0x34, 0x1, 0x0, 0x1, [@NL80211_PMSR_FTM_REQ_ATTR_ASAP={0x4}, @NL80211_PMSR_FTM_REQ_ATTR_NUM_BURSTS_EXP={0x5}, @NL80211_PMSR_FTM_REQ_ATTR_REQUEST_CIVICLOC={0x4}, @NL80211_PMSR_FTM_REQ_ATTR_FTMS_PER_BURST={0x5, 0x6, 0xd}, @NL80211_PMSR_FTM_REQ_ATTR_PREAMBLE={0x8, 0x2, 0x7}, @NL80211_PMSR_FTM_REQ_ATTR_PREAMBLE={0x8}, @NL80211_PMSR_FTM_REQ_ATTR_NUM_FTMR_RETRIES={0x5, 0x7, 0x1}]}]}]}, @NL80211_PMSR_PEER_ATTR_ADDR={0xa, 0x1, @broadcast}, @NL80211_PMSR_PEER_ATTR_REQ={0xf4, 0x3, 0x0, 0x1, [@NL80211_PMSR_REQ_ATTR_DATA={0x30, 0x1, 0x0, 0x1, [@NL80211_PMSR_TYPE_FTM={0x2c, 0x1, 0x0, 0x1, [@NL80211_PMSR_FTM_REQ_ATTR_NUM_BURSTS_EXP={0x5}, @NL80211_PMSR_FTM_REQ_ATTR_NUM_FTMR_RETRIES={0x5}, @NL80211_PMSR_FTM_REQ_ATTR_PREAMBLE={0x8}, @NL80211_PMSR_FTM_REQ_ATTR_BURST_PERIOD={0x6}, @NL80211_PMSR_FTM_REQ_ATTR_BURST_PERIOD={0x6}]}]}, @NL80211_PMSR_REQ_ATTR_GET_AP_TSF={0x4}, @NL80211_PMSR_REQ_ATTR_GET_AP_TSF={0x4}, @NL80211_PMSR_REQ_ATTR_DATA={0x28, 0x1, 0x0, 0x1, [@NL80211_PMSR_TYPE_FTM={0x24, 0x1, 0x0, 0x1, [@NL80211_PMSR_FTM_REQ_ATTR_NUM_FTMR_RETRIES={0x5}, @NL80211_PMSR_FTM_REQ_ATTR_REQUEST_LCI={0x4}, @NL80211_PMSR_FTM_REQ_ATTR_NUM_BURSTS_EXP={0x5}, @NL80211_PMSR_FTM_REQ_ATTR_NON_TRIGGER_BASED={0x4}, @NL80211_PMSR_FTM_REQ_ATTR_ASAP={0x4}, @NL80211_PMSR_FTM_REQ_ATTR_REQUEST_LCI={0x4}]}]}, @NL80211_PMSR_REQ_ATTR_DATA={0x50, 0x1, 0x0, 0x1, [@NL80211_PMSR_TYPE_FTM={0x30, 0x1, 0x0, 0x1, [@NL80211_PMSR_FTM_REQ_ATTR_BURST_PERIOD={0x6}, @NL80211_PMSR_FTM_REQ_ATTR_FTMS_PER_BURST={0x5}, @NL80211_PMSR_FTM_REQ_ATTR_FTMS_PER_BURST={0x5}, @NL80211_PMSR_FTM_REQ_ATTR_NUM_BURSTS_EXP={0x5}, @NL80211_PMSR_FTM_REQ_ATTR_NUM_FTMR_RETRIES={0x5}, @NL80211_PMSR_FTM_REQ_ATTR_NON_TRIGGER_BASED={0x4}]}, @NL80211_PMSR_TYPE_FTM={0x1c, 0x1, 0x0, 0x1, [@NL80211_PMSR_FTM_REQ_ATTR_TRIGGER_BASED={0x4}, @NL80211_PMSR_FTM_REQ_ATTR_FTMS_PER_BURST={0x5}, @NL80211_PMSR_FTM_REQ_ATTR_NUM_BURSTS_EXP={0x5}, @NL80211_PMSR_FTM_REQ_ATTR_ASAP={0x4}]}]}, @NL80211_PMSR_REQ_ATTR_DATA={0x40, 0x1, 0x0, 0x1, [@NL80211_PMSR_TYPE_FTM={0x20, 0x1, 0x0, 0x1, [@NL80211_PMSR_FTM_REQ_ATTR_BURST_PERIOD={0x6}, @NL80211_PMSR_FTM_REQ_ATTR_PREAMBLE={0x8}, @NL80211_PMSR_FTM_REQ_ATTR_TRIGGER_BASED={0x4}, @NL80211_PMSR_FTM_REQ_ATTR_NON_TRIGGER_BASED={0x4}, @NL80211_PMSR_FTM_REQ_ATTR_NON_TRIGGER_BASED={0x4}]}, @NL80211_PMSR_TYPE_FTM={0x10, 0x1, 0x0, 0x1, [@NL80211_PMSR_FTM_REQ_ATTR_NUM_FTMR_RETRIES={0x5}, @NL80211_PMSR_FTM_REQ_ATTR_TRIGGER_BASED={0x4}]}, @NL80211_PMSR_TYPE_FTM={0xc, 0x1, 0x0, 0x1, [@NL80211_PMSR_FTM_REQ_ATTR_BURST_DURATION={0x5}]}]}]}, @NL80211_PMSR_PEER_ATTR_REQ={0x13c, 0x3, 0x0, 0x1, [@NL80211_PMSR_REQ_ATTR_DATA={0x98, 0x1, 0x0, 0x1, [@NL80211_PMSR_TYPE_FTM={0x1c, 0x1, 0x0, 0x1, [@NL80211_PMSR_FTM_REQ_ATTR_NUM_FTMR_RETRIES={0x5, 0x7, 0x80}, @NL80211_PMSR_FTM_REQ_ATTR_BURST_DURATION={0x5}, @NL80211_PMSR_FTM_REQ_ATTR_FTMS_PER_BURST={0x5}]}, @NL80211_PMSR_TYPE_FTM={0x20, 0x1, 0x0, 0x1, [@NL80211_PMSR_FTM_REQ_ATTR_NUM_FTMR_RETRIES={0x5}, @NL80211_PMSR_FTM_REQ_ATTR_REQUEST_CIVICLOC={0x4}, @NL80211_PMSR_FTM_REQ_ATTR_PREAMBLE={0x8}, @NL80211_PMSR_FTM_REQ_ATTR_BURST_DURATION={0x5}]}, @NL80211_PMSR_TYPE_FTM={0x28, 0x1, 0x0, 0x1, [@NL80211_PMSR_FTM_REQ_ATTR_PREAMBLE={0x8}, @NL80211_PMSR_FTM_REQ_ATTR_NUM_FTMR_RETRIES={0x5}, @NL80211_PMSR_FTM_REQ_ATTR_PREAMBLE={0x8, 0x2, 0x3}, @NL80211_PMSR_FTM_REQ_ATTR_REQUEST_CIVICLOC={0x4}, @NL80211_PMSR_FTM_REQ_ATTR_FTMS_PER_BURST={0x5}]}, @NL80211_PMSR_TYPE_FTM={0x20, 0x1, 0x0, 0x1, [@NL80211_PMSR_FTM_REQ_ATTR_BURST_PERIOD={0x6, 0x4, 0x9}, @NL80211_PMSR_FTM_REQ_ATTR_BURST_PERIOD={0x6}, @NL80211_PMSR_FTM_REQ_ATTR_REQUEST_CIVICLOC={0x4}, @NL80211_PMSR_FTM_REQ_ATTR_PREAMBLE={0x8}]}, @NL80211_PMSR_TYPE_FTM={0x10, 0x1, 0x0, 0x1, [@NL80211_PMSR_FTM_REQ_ATTR_PREAMBLE={0x8}, @NL80211_PMSR_FTM_REQ_ATTR_REQUEST_CIVICLOC={0x4}]}]}, @NL80211_PMSR_REQ_ATTR_DATA={0xa0, 0x1, 0x0, 0x1, [@NL80211_PMSR_TYPE_FTM={0x8, 0x1, 0x0, 0x1, [@NL80211_PMSR_FTM_REQ_ATTR_TRIGGER_BASED={0x4}]}, @NL80211_PMSR_TYPE_FTM={0x24, 0x1, 0x0, 0x1, [@NL80211_PMSR_FTM_REQ_ATTR_NON_TRIGGER_BASED={0x4}, @NL80211_PMSR_FTM_REQ_ATTR_NUM_FTMR_RETRIES={0x5}, @NL80211_PMSR_FTM_REQ_ATTR_REQUEST_CIVICLOC={0x4}, @NL80211_PMSR_FTM_REQ_ATTR_NON_TRIGGER_BASED={0x4}, @NL80211_PMSR_FTM_REQ_ATTR_BURST_PERIOD={0x6}, @NL80211_PMSR_FTM_REQ_ATTR_REQUEST_LCI={0x4}]}, @NL80211_PMSR_TYPE_FTM={0xc, 0x1, 0x0, 0x1, [@NL80211_PMSR_FTM_REQ_ATTR_NON_TRIGGER_BASED={0x4}, @NL80211_PMSR_FTM_REQ_ATTR_REQUEST_LCI={0x4}]}, @NL80211_PMSR_TYPE_FTM={0x1c, 0x1, 0x0, 0x1, [@NL80211_PMSR_FTM_REQ_ATTR_FTMS_PER_BURST={0x5}, @NL80211_PMSR_FTM_REQ_ATTR_BURST_DURATION={0x5}, @NL80211_PMSR_FTM_REQ_ATTR_NUM_FTMR_RETRIES={0x5}]}, @NL80211_PMSR_TYPE_FTM={0x10, 0x1, 0x0, 0x1, [@NL80211_PMSR_FTM_REQ_ATTR_REQUEST_LCI={0x4}, @NL80211_PMSR_FTM_REQ_ATTR_NUM_FTMR_RETRIES={0x5}]}, @NL80211_PMSR_TYPE_FTM={0x38, 0x1, 0x0, 0x1, [@NL80211_PMSR_FTM_REQ_ATTR_BURST_PERIOD={0x6}, @NL80211_PMSR_FTM_REQ_ATTR_REQUEST_CIVICLOC={0x4}, @NL80211_PMSR_FTM_REQ_ATTR_TRIGGER_BASED={0x4}, @NL80211_PMSR_FTM_REQ_ATTR_NUM_BURSTS_EXP={0x5}, @NL80211_PMSR_FTM_REQ_ATTR_NON_TRIGGER_BASED={0x4}, @NL80211_PMSR_FTM_REQ_ATTR_NUM_FTMR_RETRIES={0x5}, @NL80211_PMSR_FTM_REQ_ATTR_TRIGGER_BASED={0x4}, @NL80211_PMSR_FTM_REQ_ATTR_FTMS_PER_BURST={0x5}, @NL80211_PMSR_FTM_REQ_ATTR_NON_TRIGGER_BASED={0x4}]}]}]}, @NL80211_PMSR_PEER_ATTR_CHAN={0xc, 0x2, 0x0, 0x1, [@NL80211_ATTR_WIPHY_CHANNEL_TYPE={0x8}]}, @NL80211_PMSR_PEER_ATTR_CHAN={0x4}]}]}]}, 0xec4}}, 0x0) 07:24:14 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0xfa03}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) [ 1167.768631][T30506] batman_adv: Cannot find parent device [ 1167.837603][T30509] batman_adv: Cannot find parent device [ 1167.851707][T30509] batman_adv: batadv0: Adding interface: ip6gretap606 [ 1167.859351][T30509] batman_adv: batadv0: The MTU of interface ip6gretap606 is too small (1434) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1167.886326][T30509] batman_adv: batadv0: Not using interface ip6gretap606 (retrying later): interface not active 07:24:14 executing program 3: r0 = socket$inet(0x2, 0xa, 0x0) ioctl$sock_ipv4_tunnel_SIOCGETTUNNEL(r0, 0x89f0, &(0x7f0000000900)={'tunl0\x00', &(0x7f0000000880)={'gretap0\x00', 0x0, 0x0, 0x0, 0x0, 0x0, {{0x5, 0x4, 0x0, 0x0, 0x14, 0x0, 0x0, 0x0, 0x0, 0x0, @initdev={0xac, 0x1e, 0x0, 0x0}, @dev}}}}) 07:24:14 executing program 4: r0 = openat$sequencer(0xffffffffffffff9c, &(0x7f00000002c0), 0x2, 0x0) write$sequencer(r0, &(0x7f0000000300)=[@v={0x93, 0x0, 0x0, 0x0, @generic}], 0x8) 07:24:14 executing program 1: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$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, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0xe0ffff}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) [ 1168.131352][T30516] batman_adv: Cannot find parent device 07:24:14 executing program 5: socketpair$tipc(0x1e, 0x5, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$TUNSETLINK(r0, 0x8912, 0x400308) bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0x4, 0xe, &(0x7f0000000880)=ANY=[@ANYBLOB="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"], &(0x7f0000000340)='syzkaller\x00'}, 0x48) 07:24:14 executing program 2: r0 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0xfc00}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:24:15 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000180)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0xfcffffff, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x48}}, 0x0) [ 1168.557142][T30525] batman_adv: Cannot find parent device [ 1168.566832][T30525] device ip6gretap786 entered promiscuous mode 07:24:15 executing program 3: r0 = syz_open_dev$sndctrl(&(0x7f0000000580), 0x0, 0x0) ioctl$SNDRV_CTL_IOCTL_PCM_INFO(r0, 0xc1205531, &(0x7f0000000100)={0x0, 0x0, 0x3f, 0x0, '\x00', '\x00', '\x00', 0x0, 0x0, 0x0, 0x0, "079e3cdca3712f93d6b922c8d7eb5bbe"}) 07:24:15 executing program 4: r0 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000000)='/proc/key-users\x00', 0x0, 0x0) read$FUSE(r0, 0x0, 0x7) [ 1168.989784][T30536] batman_adv: Cannot find parent device 07:24:15 executing program 1: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$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, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x1000000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) [ 1169.198817][T30540] batman_adv: Cannot find parent device [ 1169.212388][T30540] batman_adv: batadv0: Adding interface: ip6gretap607 [ 1169.219641][T30540] batman_adv: batadv0: The MTU of interface ip6gretap607 is too small (1434) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 07:24:15 executing program 5: getresgid(&(0x7f0000002080), 0x0, 0x0) getresgid(&(0x7f0000002200), &(0x7f0000002240), &(0x7f0000002280)) [ 1169.246410][T30540] batman_adv: batadv0: Not using interface ip6gretap607 (retrying later): interface not active 07:24:15 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0xfc03}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) [ 1169.585894][T30547] batman_adv: Cannot find parent device 07:24:16 executing program 3: openat$tun(0xffffffffffffff9c, &(0x7f0000000040), 0x80c82, 0x0) 07:24:16 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000180)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0xfe000000, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x48}}, 0x0) 07:24:16 executing program 4: perf_event_open(&(0x7f0000000100)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) wait4(0x0, 0x0, 0x80000002, 0x0) gettid() bpf$PROG_LOAD(0x5, &(0x7f0000000440)={0x15, 0x6, &(0x7f0000000000)=@framed={{0xffffffb4, 0x0, 0x0, 0x0, 0x0, 0x69, 0x11, 0x10}, [@func={0x85, 0x0, 0x1, 0x0, 0x2}, @call={0x85, 0x0, 0x0, 0x5}, @exit={0x95, 0x0, 0x5}], {0x95, 0x0, 0x5a5}}, &(0x7f0000000080)='GPL\x00', 0x0, 0xf8, &(0x7f000000cf3d)=""/195, 0x0, 0x0, '\x00', 0x0, 0x0, 0xffffffffffffffff, 0x6, 0x0, 0x6, 0x10, 0x0}, 0x15) clone(0x0, 0x0, 0x0, 0x0, &(0x7f0000000300)) io_uring_setup(0x233d, 0x0) [ 1170.025587][T30559] batman_adv: Cannot find parent device 07:24:16 executing program 1: r0 = socket$nl_route(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$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x2000000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:24:16 executing program 5: clock_gettime(0x0, &(0x7f0000000100)={0x0, 0x0}) pselect6(0x0, 0x0, 0x0, 0x0, &(0x7f0000000140)={0x0, r0+10000000}, &(0x7f00000001c0)={&(0x7f0000000180), 0x8}) 07:24:16 executing program 2: r0 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0xfe00}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) [ 1170.576495][T30568] batman_adv: Cannot find parent device [ 1170.590375][T30568] batman_adv: batadv0: Adding interface: ip6gretap608 [ 1170.600847][T30568] batman_adv: batadv0: The MTU of interface ip6gretap608 is too small (1434) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1170.628959][T30568] batman_adv: batadv0: Not using interface ip6gretap608 (retrying later): interface not active 07:24:17 executing program 3: r0 = inotify_init1(0x0) inotify_add_watch(r0, 0x0, 0x180) [ 1170.670794][T30571] batman_adv: Cannot find parent device [ 1171.023680][T30583] batman_adv: Cannot find parent device 07:24:17 executing program 5: pselect6(0x0, 0x0, &(0x7f0000000040), &(0x7f0000000080), &(0x7f0000000140), &(0x7f00000001c0)={&(0x7f0000000180)={[0x100000000]}, 0x8}) 07:24:17 executing program 1: r0 = socket$nl_route(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, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x2020000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:24:17 executing program 4: pipe2$9p(&(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RSYMLINK(r0, 0x0, 0x0) 07:24:17 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0xfeff}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:24:17 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000180)={'batadv0\x00', 0x0}) r2 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0xfe80ffff, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x48}}, 0x0) 07:24:18 executing program 3: r0 = openat$tcp_congestion(0xffffffffffffff9c, &(0x7f0000000040), 0x1, 0x0) write$binfmt_script(r0, &(0x7f0000000080)={'#! ', './file0'}, 0xb) 07:24:18 executing program 5: prctl$PR_SET_NAME(0xf, &(0x7f0000000080)='\xaa\xaa\xaa\xaa\xaa') [ 1171.771394][T30595] batman_adv: Cannot find parent device [ 1172.039848][T30605] batman_adv: Cannot find parent device [ 1172.053694][T30605] batman_adv: batadv0: Adding interface: ip6gretap609 [ 1172.060758][T30605] batman_adv: batadv0: The MTU of interface ip6gretap609 is too small (1434) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1172.088407][T30605] batman_adv: batadv0: Not using interface ip6gretap609 (retrying later): interface not active [ 1172.130345][T30606] batman_adv: Cannot find parent device 07:24:18 executing program 4: syz_genetlink_get_family_id$net_dm(&(0x7f0000000500), 0xffffffffffffffff) 07:24:19 executing program 1: r0 = socket$nl_route(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$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x2030000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:24:19 executing program 3: r0 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$IPCTNL_MSG_EXP_NEW(r0, &(0x7f00000008c0)={&(0x7f0000000700)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f0000000880)={&(0x7f0000000740)={0x3c, 0x0, 0x2, 0x3, 0x0, 0x0, {}, [@CTA_EXPECT_NAT={0xc, 0xa, 0x0, 0x1, [@CTA_EXPECT_NAT_DIR={0x8}]}, @CTA_EXPECT_ZONE={0x6}, @CTA_EXPECT_FN={0x8, 0xb, 'sip\x00'}, @CTA_EXPECT_TUPLE={0x4}, @CTA_EXPECT_MASK={0x4}, @CTA_EXPECT_MASTER={0x4}]}, 0x3c}}, 0x0) 07:24:19 executing program 5: perf_event_open(&(0x7f0000000640)={0x2, 0x80, 0xdb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$TCGETA(0xffffffffffffffff, 0x5405, 0x0) mbind(&(0x7f0000ffd000/0x2000)=nil, 0x2000, 0x0, 0x0, 0x101, 0x3) 07:24:19 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0xff00}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) [ 1172.855301][T30620] batman_adv: Cannot find parent device 07:24:19 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000180)={'batadv0\x00', 0x0}) r2 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0xfec0ffff, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x48}}, 0x0) 07:24:19 executing program 4: r0 = syz_open_dev$evdev(&(0x7f0000000000), 0x0, 0x0) ioctl$EVIOCGMASK(r0, 0x80104592, &(0x7f0000000080)={0x0, 0x0, 0x0}) 07:24:19 executing program 1: r0 = socket$nl_route(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$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x3000000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) [ 1173.440208][T30632] batman_adv: Cannot find parent device 07:24:19 executing program 5: syz_open_dev$usbmon(&(0x7f0000000100), 0x0, 0x0) 07:24:20 executing program 3: perf_event_open$cgroup(&(0x7f0000004d00)={0x0, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1}, 0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0x0) [ 1173.662376][T30638] batman_adv: Cannot find parent device [ 1173.678356][T30638] batman_adv: batadv0: Adding interface: ip6gretap610 [ 1173.686167][T30638] batman_adv: batadv0: The MTU of interface ip6gretap610 is too small (1434) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1173.714099][T30638] batman_adv: batadv0: Not using interface ip6gretap610 (retrying later): interface not active 07:24:20 executing program 4: socketpair(0x1, 0x0, 0x7fff, &(0x7f0000000040)) [ 1173.985727][T30645] batman_adv: Cannot find parent device 07:24:20 executing program 2: r0 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0xff0f}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:24:20 executing program 5: openat$tun(0xffffffffffffff9c, 0x0, 0x0, 0x0) socket$rxrpc(0x21, 0x2, 0xa) 07:24:20 executing program 3: perf_event_open(&(0x7f0000000640)={0x2, 0x80, 0xdb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) openat$ttyprintk(0xffffffffffffff9c, &(0x7f0000000180), 0x0, 0x0) 07:24:20 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000180)={'batadv0\x00', 0x0}) r2 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0xfeff0000, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x48}}, 0x0) 07:24:20 executing program 1: r0 = socket$nl_route(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$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x4000000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:24:21 executing program 4: syz_genetlink_get_family_id$ipvs(&(0x7f0000000040), 0xffffffffffffffff) openat$cgroup_ro(0xffffffffffffffff, 0x0, 0x0, 0x0) [ 1174.565486][T30658] batman_adv: Cannot find parent device 07:24:21 executing program 5: perf_event_open(&(0x7f0000000640)={0x2, 0x80, 0xdb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$fuse(0xffffffffffffff9c, &(0x7f0000000000), 0x42, 0x0) openat(0xffffffffffffff9c, &(0x7f000000c380)='./file0\x00', 0x40, 0x0) mount$fuse(0x0, &(0x7f0000000040)='./file0\x00', &(0x7f0000002100), 0x0, &(0x7f0000004140)={{'fd', 0x3d, r0}, 0x2c, {'rootmode', 0x3d, 0x8000}}) 07:24:21 executing program 2: r0 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0xff7f}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) [ 1175.002029][T30668] batman_adv: Cannot find parent device [ 1175.094285][T30669] batman_adv: Cannot find parent device [ 1175.108720][T30669] batman_adv: batadv0: Adding interface: ip6gretap611 [ 1175.116215][T30669] batman_adv: batadv0: The MTU of interface ip6gretap611 is too small (1434) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 07:24:21 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$net_dm(&(0x7f00000001c0), r0) sendmsg$NET_DM_CMD_START(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x14, r2, 0xd}, 0x14}}, 0x0) [ 1175.144276][T30669] batman_adv: batadv0: Not using interface ip6gretap611 (retrying later): interface not active 07:24:21 executing program 4: socketpair(0x9, 0x0, 0x0, &(0x7f00000000c0)) 07:24:21 executing program 1: r0 = socket$nl_route(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$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x5000000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) [ 1175.626064][T30681] batman_adv: Cannot find parent device 07:24:22 executing program 3: r0 = openat$ttyS3(0xffffffffffffff9c, &(0x7f0000002040), 0x0, 0x0) ioctl$TCSETSF(r0, 0x5453, 0x0) 07:24:22 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000180)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0xfeffffff, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x48}}, 0x0) [ 1176.029665][T30693] batman_adv: Cannot find parent device 07:24:22 executing program 5: syz_mount_image$iso9660(0x0, &(0x7f000001b880)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) lstat(&(0x7f00000097c0)='./file0\x00', &(0x7f0000009800)={0x0, 0x0, 0x0, 0x0, 0x0}) setresuid(0x0, r0, 0x0) 07:24:22 executing program 2: r0 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0xfffe}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:24:22 executing program 4: perf_event_open(&(0x7f0000000640)={0x2, 0x80, 0xdb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$TCGETA(0xffffffffffffffff, 0x5405, 0x0) mbind(&(0x7f0000ffd000/0x2000)=nil, 0x2000, 0x0, 0x0, 0x0, 0x0) 07:24:22 executing program 1: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$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, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x6000000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) [ 1176.600944][T30705] batman_adv: Cannot find parent device [ 1176.614787][T30705] batman_adv: batadv0: Adding interface: ip6gretap612 [ 1176.621757][T30705] batman_adv: batadv0: The MTU of interface ip6gretap612 is too small (1434) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1176.648856][T30705] batman_adv: batadv0: Not using interface ip6gretap612 (retrying later): interface not active [ 1176.716895][T30706] batman_adv: Cannot find parent device 07:24:23 executing program 3: syz_open_dev$evdev(&(0x7f0000000200), 0x0, 0x101) 07:24:23 executing program 5: sendmsg$IPVS_CMD_DEL_SERVICE(0xffffffffffffffff, 0x0, 0x0) 07:24:23 executing program 4: r0 = openat$tun(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) ioctl$TUNSETVNETLE(r0, 0x400454dc, 0x0) [ 1177.161665][T30718] batman_adv: Cannot find parent device 07:24:23 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:24:24 executing program 1: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$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, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x7000000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:24:24 executing program 3: syz_80211_join_ibss(&(0x7f0000000140)='wlan0\x00', 0x0, 0x0, 0x0) 07:24:24 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000180)={'batadv0\x00', 0x0}) r2 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0xff000000, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x48}}, 0x0) 07:24:24 executing program 5: perf_event_open(&(0x7f0000000640)={0x2, 0x80, 0xdb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$vim2m(0xffffffffffffff9c, &(0x7f0000000040), 0x2, 0x0) close(r0) [ 1177.683790][T30729] batman_adv: Cannot find parent device 07:24:24 executing program 4: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$packet_fanout(r0, 0x107, 0x12, &(0x7f0000000000), 0x4) socketpair$tipc(0x1e, 0x5, 0x0, &(0x7f00000001c0)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$TUNSETLINK(r1, 0x8912, 0x400308) r2 = socket(0x200000000000011, 0x4000000000080002, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$sock_SIOCGIFINDEX(r3, 0x8933, &(0x7f0000000000)={'lo\x00', 0x0}) bind$packet(r2, &(0x7f00000000c0)={0x11, 0x0, r4, 0x1, 0x0, 0x6, @local}, 0x14) sendmmsg(r2, &(0x7f0000000d00), 0x1bdd307, 0x0) [ 1178.156166][T30741] batman_adv: Cannot find parent device 07:24:24 executing program 2: r0 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x2}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) [ 1178.222033][T30742] batman_adv: Cannot find parent device 07:24:25 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$net_dm(&(0x7f00000001c0), r0) sendmsg$NET_DM_CMD_START(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000200)={0x14, 0x0, 0xd}, 0x14}}, 0x0) 07:24:25 executing program 5: read$FUSE(0xffffffffffffffff, 0x0, 0x0) syz_open_procfs$namespace(0x0, 0x0) openat$cuse(0xffffffffffffff9c, &(0x7f0000004b80), 0x2, 0x0) 07:24:25 executing program 1: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$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, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x8000000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:24:25 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000180)={'batadv0\x00', 0x0}) r2 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0xff0f0000, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x48}}, 0x0) [ 1178.889465][T30754] batman_adv: Cannot find parent device 07:24:25 executing program 5: r0 = syz_open_dev$sndctrl(&(0x7f0000000580), 0x0, 0x0) ioctl$SNDRV_CTL_IOCTL_PVERSION(r0, 0x80045500, &(0x7f0000000680)) 07:24:25 executing program 3: r0 = openat$rdma_cm(0xffffffffffffff9c, &(0x7f00000006c0), 0x2, 0x0) ioctl$TUNSETVNETLE(r0, 0x400454dc, 0x0) [ 1179.414141][T30767] batman_adv: Cannot find parent device [ 1179.478864][T30768] batman_adv: Cannot find parent device [ 1179.491749][T30768] batman_adv: batadv0: Adding interface: ip6gretap614 [ 1179.499128][T30768] batman_adv: batadv0: The MTU of interface ip6gretap614 is too small (1434) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 07:24:26 executing program 2: r0 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x3}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) [ 1179.526764][T30768] batman_adv: batadv0: Not using interface ip6gretap614 (retrying later): interface not active 07:24:26 executing program 1: r0 = socket$nl_route(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$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x9000000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) [ 1180.267000][T30783] batman_adv: Cannot find parent device 07:24:26 executing program 5: syz_genetlink_get_family_id$ipvs(&(0x7f0000000040), 0xffffffffffffffff) read$FUSE(0xffffffffffffffff, 0x0, 0x0) read$FUSE(0xffffffffffffffff, &(0x7f00000024c0)={0x2020}, 0x2020) openat$cgroup_ro(0xffffffffffffffff, 0x0, 0x0, 0x0) 07:24:26 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000180)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0xff7f0000, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x48}}, 0x0) [ 1180.743405][T30789] batman_adv: Cannot find parent device [ 1180.939633][T30794] batman_adv: Cannot find parent device [ 1180.953854][T30794] batman_adv: batadv0: Adding interface: ip6gretap615 [ 1180.960958][T30794] batman_adv: batadv0: The MTU of interface ip6gretap615 is too small (1434) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1180.988354][T30794] batman_adv: batadv0: Not using interface ip6gretap615 (retrying later): interface not active 07:24:27 executing program 4: r0 = openat$tun(0xffffffffffffff9c, &(0x7f0000000140), 0x80000, 0x0) ioctl$TUNSETVNETLE(r0, 0x5450, 0x0) 07:24:27 executing program 3: getresgid(&(0x7f0000000280), 0x0, 0x0) 07:24:27 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x4}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:24:27 executing program 5: r0 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000040)='/proc/tty/drivers\x00', 0x0, 0x0) read$FUSE(r0, &(0x7f00000020c0)={0x2020}, 0x2020) 07:24:27 executing program 1: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$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, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0xa000000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:24:27 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000180)={'batadv0\x00', 0x0}) r2 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0xffff0000, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x48}}, 0x0) [ 1181.297655][T30804] batman_adv: Cannot find parent device 07:24:28 executing program 3: getgroups(0x1, &(0x7f0000004bc0)=[0x0]) 07:24:28 executing program 2: r0 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x5}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) [ 1181.909377][T30817] batman_adv: Cannot find parent device [ 1181.944150][T30816] batman_adv: Cannot find parent device 07:24:28 executing program 5: perf_event_open$cgroup(&(0x7f0000004d00)={0x0, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0x0) [ 1181.956981][T30816] batman_adv: batadv0: Adding interface: ip6gretap616 [ 1181.967293][T30816] batman_adv: batadv0: The MTU of interface ip6gretap616 is too small (1434) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1181.995302][T30816] batman_adv: batadv0: Not using interface ip6gretap616 (retrying later): interface not active 07:24:28 executing program 4: syz_open_dev$sndctrl(&(0x7f0000000340), 0x0, 0x44100) 07:24:28 executing program 1: r0 = socket$nl_route(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$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0xb000000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:24:28 executing program 3: perf_event_open(&(0x7f0000000640)={0x2, 0x80, 0xdb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ttyS3(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$TCGETA(r0, 0x5405, &(0x7f0000000080)) 07:24:29 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000180)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0xffff0300, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x48}}, 0x0) [ 1182.561198][T30831] batman_adv: Cannot find parent device 07:24:29 executing program 5: r0 = socket$can_bcm(0x1d, 0x2, 0x2) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(r0, 0xd000943d, 0x0) [ 1182.860572][T30838] batman_adv: Cannot find parent device 07:24:29 executing program 4: openat$tun(0xffffffffffffff9c, 0x0, 0x0, 0x0) fork() 07:24:29 executing program 2: r0 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x6}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:24:29 executing program 1: r0 = socket$nl_route(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$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0xc000000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) [ 1183.328208][T30848] batman_adv: Cannot find parent device [ 1183.343181][T30848] batman_adv: batadv0: Adding interface: ip6gretap617 [ 1183.350711][T30848] batman_adv: batadv0: The MTU of interface ip6gretap617 is too small (1434) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 07:24:29 executing program 3: perf_event_open(&(0x7f0000000640)={0x2, 0x80, 0xdb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ttyS3(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$TCGETA(r0, 0x5405, &(0x7f0000000080)) [ 1183.378909][T30848] batman_adv: batadv0: Not using interface ip6gretap617 (retrying later): interface not active 07:24:30 executing program 5: r0 = openat$rdma_cm(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0) r1 = openat$rdma_cm(0xffffffffffffff9c, &(0x7f0000000140), 0x2, 0x0) r2 = openat$rdma_cm(0xffffffffffffff9c, &(0x7f0000000140), 0x2, 0x0) write$RDMA_USER_CM_CMD_CREATE_ID(r2, &(0x7f0000000780)={0x0, 0x18, 0xfa00, {0x0, &(0x7f0000000740)={0xffffffffffffffff}, 0x111}}, 0x20) write$RDMA_USER_CM_CMD_MIGRATE_ID(r1, &(0x7f00000002c0)={0x12, 0x10, 0xfa00, {0x0, r3, r0}}, 0x18) [ 1183.633611][T30855] batman_adv: Cannot find parent device [ 1183.757357][T30859] batman_adv: Cannot find parent device 07:24:30 executing program 3: syz_mount_image$nfs(0x0, &(0x7f0000001240)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) r0 = inotify_init() inotify_add_watch(r0, &(0x7f00000001c0)='./file0\x00', 0x21000000) futimesat(0xffffffffffffff9c, &(0x7f0000000080)='./file0\x00', 0x0) 07:24:30 executing program 2: r0 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x7}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:24:30 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000180)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0xffff80fe, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x48}}, 0x0) 07:24:30 executing program 4: socketpair$tipc(0x1e, 0x5, 0x0, &(0x7f00000001c0)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$TUNSETLINK(r0, 0x8912, 0x400308) r1 = socket(0x200000000000011, 0x4000000000080002, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$sock_SIOCGIFINDEX(r2, 0x8933, &(0x7f0000000000)={'macsec0\x00', 0x0}) bind$packet(r1, &(0x7f00000000c0)={0x11, 0x0, r3, 0x1, 0x0, 0x6, @random}, 0x66) sendmmsg(r1, &(0x7f0000000d00), 0x1bdd307, 0x0) 07:24:30 executing program 1: r0 = socket$nl_route(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$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0xc020000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:24:30 executing program 5: r0 = syz_open_dev$evdev(&(0x7f0000000140), 0x0, 0x0) ioctl$EVIOCSCLOCKID(r0, 0x400445a0, &(0x7f0000000000)=0x7) [ 1184.633840][T30875] batman_adv: Cannot find parent device [ 1184.766050][T30882] batman_adv: Cannot find parent device [ 1184.801374][T30883] batman_adv: Cannot find parent device [ 1184.816232][T30883] batman_adv: batadv0: Adding interface: ip6gretap618 [ 1184.823775][T30883] batman_adv: batadv0: The MTU of interface ip6gretap618 is too small (1434) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1184.851674][T30883] batman_adv: batadv0: Not using interface ip6gretap618 (retrying later): interface not active 07:24:31 executing program 3: openat$tun(0xffffffffffffff9c, 0x0, 0x0, 0x0) fork() recvmsg$kcm(0xffffffffffffffff, 0x0, 0x0) 07:24:31 executing program 2: r0 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x8}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:24:31 executing program 4: clock_gettime(0x0, &(0x7f0000000100)={0x0}) pselect6(0x0, 0x0, &(0x7f0000000040), &(0x7f0000000080), &(0x7f0000000140)={r0}, &(0x7f00000001c0)={&(0x7f0000000180)={[0x100000000]}, 0x8}) 07:24:31 executing program 1: r0 = socket$nl_route(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$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0xd000000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:24:31 executing program 5: syz_open_dev$evdev(&(0x7f0000000080), 0x101, 0x0) 07:24:32 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000180)={'batadv0\x00', 0x0}) r2 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0xffffa888, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x48}}, 0x0) [ 1185.695177][ T3129] ieee802154 phy0 wpan0: encryption failed: -22 [ 1185.702220][ T3129] ieee802154 phy1 wpan1: encryption failed: -22 [ 1185.818739][T30907] batman_adv: Cannot find parent device [ 1185.860754][T30909] batman_adv: Cannot find parent device 07:24:32 executing program 3: mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x0, 0x10, 0xffffffffffffffff, 0x0) clone(0x80100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) wait4(0x0, 0x0, 0x80000002, 0x0) r0 = gettid() rt_sigqueueinfo(r0, 0x3c, &(0x7f0000000040)) 07:24:32 executing program 5: syz_open_dev$evdev(&(0x7f0000000000), 0x8000, 0x68440) 07:24:32 executing program 1: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$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, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0xe000000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:24:32 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x9}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) [ 1186.418395][T30918] batman_adv: Cannot find parent device [ 1186.432229][T30918] batman_adv: batadv0: Adding interface: ip6gretap619 [ 1186.439870][T30918] batman_adv: batadv0: The MTU of interface ip6gretap619 is too small (1434) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1186.468776][T30918] batman_adv: batadv0: Not using interface ip6gretap619 (retrying later): interface not active 07:24:33 executing program 3: openat$tun(0xffffffffffffff9c, &(0x7f00000000c0), 0xc00c0, 0x0) 07:24:33 executing program 4: clone3(&(0x7f0000004740)={0x0, 0x0, &(0x7f0000004540), &(0x7f0000004580), {}, 0x0, 0x0, 0x0, 0x0}, 0x58) 07:24:33 executing program 5: openat$cgroup_ro(0xffffffffffffffff, &(0x7f0000004880)='memory.events\x00', 0x0, 0x0) [ 1187.075090][T30933] batman_adv: Cannot find parent device [ 1187.143768][T30934] batman_adv: Cannot find parent device 07:24:33 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000180)={'batadv0\x00', 0x0}) r2 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0xffffc0fe, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x48}}, 0x0) 07:24:33 executing program 1: r0 = socket$nl_route(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$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0xf000000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:24:34 executing program 2: r0 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0xa}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:24:34 executing program 5: r0 = inotify_init1(0x0) inotify_add_watch(r0, &(0x7f0000000000)='./file0\x00', 0x180) openat$tun(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$TUNSETVNETLE(0xffffffffffffffff, 0x400454dc, 0x0) 07:24:34 executing program 3: r0 = openat$tun(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000100)={'nr0\x00'}) [ 1187.848323][T30951] batman_adv: Cannot find parent device 07:24:34 executing program 4: clone3(&(0x7f0000004740)={0x0, 0x0, 0x0, 0x0, {}, 0x0, 0x0, 0x0, &(0x7f0000004700)=[0x0], 0x1}, 0x58) clone3(&(0x7f0000004800)={0x0, 0x0, 0x0, 0x0, {}, &(0x7f0000000380)=""/114, 0x72, &(0x7f0000000400)=""/78, &(0x7f00000047c0)=[0x0, 0xffffffffffffffff, 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0xffffffffffffffff], 0x8}, 0x58) [ 1188.087501][T30957] batman_adv: Cannot find parent device [ 1188.131331][T30956] batman_adv: Cannot find parent device 07:24:34 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000180)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0xffffe000, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x48}}, 0x0) 07:24:34 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0xb}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:24:35 executing program 5: ioctl$SNDRV_CTL_IOCTL_PCM_INFO(0xffffffffffffffff, 0xc1205531, 0x0) r0 = openat$rdma_cm(0xffffffffffffff9c, &(0x7f0000000140), 0x2, 0x0) r1 = openat$rdma_cm(0xffffffffffffff9c, &(0x7f00000001c0), 0x2, 0x0) write$RDMA_USER_CM_CMD_CREATE_ID(r0, 0x0, 0x0) write$RDMA_USER_CM_CMD_RESOLVE_ADDR(0xffffffffffffffff, &(0x7f0000000280)={0x15, 0x110, 0xfa00, {0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, @in={0x2, 0x4e20, @private}, @in6={0xa, 0x0, 0x8e61, @empty, 0x7ff}}}, 0x118) ioctl$SNDRV_CTL_IOCTL_PVERSION(0xffffffffffffffff, 0x80045500, 0x0) write$RDMA_USER_CM_CMD_RESOLVE_ADDR(r1, 0x0, 0x0) connect$rxrpc(0xffffffffffffffff, &(0x7f0000000540)=@in4={0x21, 0x2, 0x2, 0x10, {0x2, 0x4e21, @loopback}}, 0x24) r2 = syz_open_dev$sndctrl(&(0x7f0000000580), 0x0, 0x0) ioctl$SNDRV_CTL_IOCTL_ELEM_LIST(0xffffffffffffffff, 0xc0505510, &(0x7f0000000600)={0x6, 0x0, 0x7fffffff, 0x0, 0x0}) ioctl$SNDRV_CTL_IOCTL_PVERSION(r2, 0x80045500, &(0x7f0000000680)) write$RDMA_USER_CM_CMD_MIGRATE_ID(0xffffffffffffffff, 0x0, 0x0) write$RDMA_USER_CM_CMD_RESOLVE_ADDR(0xffffffffffffffff, &(0x7f0000000880)={0x15, 0x110, 0xfa00, {0xffffffffffffffff, 0x5, 0x0, 0x0, 0x0, @ib={0x1b, 0x8, 0x101, {"50e1cbffc06d8cbceb39a861feecff1c"}, 0x0, 0x5}, @in={0x2, 0x4e23, @initdev={0xac, 0x1e, 0x0, 0x0}}}}, 0x118) bind$rxrpc(0xffffffffffffffff, 0x0, 0x0) 07:24:35 executing program 1: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$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, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x10000000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:24:35 executing program 3: openat$userio(0xffffffffffffff9c, &(0x7f0000000580), 0x0, 0x0) write$USERIO_CMD_SET_PORT_TYPE(0xffffffffffffffff, &(0x7f00000005c0), 0x2) [ 1188.884630][T30976] batman_adv: Cannot find parent device [ 1188.905507][T30976] batman_adv: batadv0: Adding interface: ip6gretap621 [ 1188.913208][T30976] batman_adv: batadv0: The MTU of interface ip6gretap621 is too small (1434) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1188.940740][T30976] batman_adv: batadv0: Not using interface ip6gretap621 (retrying later): interface not active [ 1189.151197][T30983] batman_adv: Cannot find parent device [ 1189.258193][T30985] batman_adv: Cannot find parent device 07:24:36 executing program 5: r0 = openat$tun(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) ioctl$TUNSETVNETLE(r0, 0x5451, 0x0) 07:24:36 executing program 3: r0 = syz_init_net_socket$llc(0x1a, 0x2, 0x0) bind$llc(r0, &(0x7f0000000000), 0x10) sendmmsg(r0, &(0x7f0000001380), 0x3fffffffffffeed, 0x0) 07:24:36 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0xc}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:24:36 executing program 1: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$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, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x11000000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:24:36 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000180)={'batadv0\x00', 0x0}) r2 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0xfffffca3, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x48}}, 0x0) 07:24:36 executing program 4: perf_event_open(&(0x7f0000000640)={0x2, 0x80, 0xdb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) prlimit64(0x0, 0x0, &(0x7f0000000280), 0x0) 07:24:36 executing program 5: r0 = socket$can_bcm(0x1d, 0x2, 0x2) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000000000)={0x0, [], 0x0, "e7f7cec6e95169"}) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(r0, 0x81f8943c, &(0x7f0000006000)) [ 1190.418495][T31003] batman_adv: Cannot find parent device [ 1190.511345][T31006] batman_adv: Cannot find parent device [ 1190.684030][T31011] batman_adv: Cannot find parent device [ 1190.702130][T31011] batman_adv: batadv0: Adding interface: ip6gretap622 [ 1190.709474][T31011] batman_adv: batadv0: The MTU of interface ip6gretap622 is too small (1434) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1190.736954][T31011] batman_adv: batadv0: Not using interface ip6gretap622 (retrying later): interface not active 07:24:37 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0xd}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:24:37 executing program 4: r0 = openat$tun(0xffffffffffffff9c, 0x0, 0x408002, 0x0) fork() ioctl$TUNSETVNETLE(r0, 0x400454dc, 0x0) 07:24:37 executing program 1: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$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, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x12000000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) [ 1191.737830][T31027] batman_adv: Cannot find parent device 07:24:38 executing program 5: r0 = syz_genetlink_get_family_id$ipvs(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$IPVS_CMD_DEL_SERVICE(0xffffffffffffffff, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f0000000180)={&(0x7f0000000080)={0xf4, r0, 0x71e, 0x70bd2a, 0x25dfdbfe, {}, [@IPVS_CMD_ATTR_SERVICE={0x4c, 0x1, 0x0, 0x1, [@IPVS_SVC_ATTR_FLAGS={0xc, 0x7, {0x52, 0x24}}, @IPVS_SVC_ATTR_PORT={0x6, 0x4, 0x4e24}, @IPVS_SVC_ATTR_PE_NAME={0x8}, @IPVS_SVC_ATTR_ADDR={0x14, 0x3, @ipv4=@remote}, @IPVS_SVC_ATTR_AF={0x6, 0x1, 0xa}, @IPVS_SVC_ATTR_PORT={0x6, 0x4, 0x4e22}, @IPVS_SVC_ATTR_AF={0x6, 0x1, 0x2}]}, @IPVS_CMD_ATTR_SERVICE={0x3c, 0x1, 0x0, 0x1, [@IPVS_SVC_ATTR_FWMARK={0x8, 0x5, 0x4}, @IPVS_SVC_ATTR_ADDR={0x14, 0x3, @ipv4=@local}, @IPVS_SVC_ATTR_FLAGS={0xc, 0x7, {0x1e, 0x36}}, @IPVS_SVC_ATTR_PE_NAME={0x8}, @IPVS_SVC_ATTR_PROTOCOL={0x6, 0x2, 0x32}]}, @IPVS_CMD_ATTR_DEST={0x58, 0x2, 0x0, 0x1, [@IPVS_DEST_ATTR_ADDR={0x14, 0x1, @ipv6=@private1={0xfc, 0x1, '\x00', 0x1}}, @IPVS_DEST_ATTR_FWD_METHOD={0x8, 0x3, 0x4}, @IPVS_DEST_ATTR_TUN_FLAGS={0x6, 0xf, 0x1}, @IPVS_DEST_ATTR_TUN_TYPE={0x5, 0xd, 0x1}, @IPVS_DEST_ATTR_ADDR_FAMILY={0x6, 0xb, 0x2}, @IPVS_DEST_ATTR_ADDR_FAMILY={0x6, 0xb, 0x2}, @IPVS_DEST_ATTR_PORT={0x6, 0x2, 0x4e24}, @IPVS_DEST_ATTR_PERSIST_CONNS={0x8, 0x9, 0x5}, @IPVS_DEST_ATTR_TUN_PORT={0x6, 0xe, 0x4e24}]}]}, 0xf4}, 0x1, 0x0, 0x0, 0x4c084}, 0x40) r1 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f0000000200), 0x581000, 0x0) read$FUSE(r1, &(0x7f0000000480)={0x2020, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x2020) read$FUSE(0xffffffffffffffff, &(0x7f00000024c0)={0x2020, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x2020) clone3(&(0x7f0000004740)={0x100400, &(0x7f0000004500), &(0x7f0000004540), &(0x7f0000004580)=0x0, {0x2}, &(0x7f00000045c0)=""/43, 0x2b, &(0x7f0000004600)=""/233, &(0x7f0000004700)=[0x0, 0xffffffffffffffff, 0x0, 0x0], 0x4}, 0x58) clone3(&(0x7f0000004800)={0x4c8200, &(0x7f00000002c0), &(0x7f0000000300), &(0x7f0000000340), {0x14}, &(0x7f0000000380)=""/114, 0x72, &(0x7f0000000400)=""/78, &(0x7f00000047c0)=[r2, 0xffffffffffffffff, 0x0, 0x0, 0xffffffffffffffff, 0x0, r3, r4, 0xffffffffffffffff], 0x9, {r1}}, 0x58) openat$cgroup_ro(0xffffffffffffffff, &(0x7f0000004880)='memory.events\x00', 0x0, 0x0) 07:24:38 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000180)={'batadv0\x00', 0x0}) r2 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0xffffff7f, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x48}}, 0x0) [ 1192.082594][T31035] batman_adv: Cannot find parent device 07:24:38 executing program 4: openat$tun(0xffffffffffffff9c, &(0x7f0000000000), 0x46000, 0x0) [ 1192.572790][T31044] batman_adv: Cannot find parent device [ 1192.586596][T31044] batman_adv: batadv0: Adding interface: ip6gretap623 [ 1192.594809][T31044] batman_adv: batadv0: The MTU of interface ip6gretap623 is too small (1434) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1192.622001][T31044] batman_adv: batadv0: Not using interface ip6gretap623 (retrying later): interface not active 07:24:39 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NLBL_CALIPSO_C_REMOVE(r0, &(0x7f0000000480)={&(0x7f0000000380), 0xc, &(0x7f0000000440)={0x0}}, 0x0) 07:24:39 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0xe}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:24:39 executing program 1: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$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, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x20000000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) [ 1193.220343][T31054] batman_adv: Cannot find parent device [ 1193.360046][T31061] batman_adv: Cannot find parent device 07:24:39 executing program 4: openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) 07:24:40 executing program 3: seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x0, &(0x7f00000000c0)={0x1, &(0x7f0000000000)=[{0x6, 0x0, 0x0, 0x7fff0004}]}) timer_create(0x0, 0x0, &(0x7f0000000180)) timer_settime(0x0, 0x0, &(0x7f00000001c0)={{0x77359400}, {0x77359400}}, 0x0) 07:24:40 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000180)={'batadv0\x00', 0x0}) r2 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0xffffff81, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x48}}, 0x0) 07:24:40 executing program 2: r0 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0xf}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:24:40 executing program 1: r0 = socket$nl_route(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$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x25000000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:24:40 executing program 5: r0 = openat$tun(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) ioctl$TUNSETVNETLE(r0, 0x401c5820, 0x0) 07:24:40 executing program 4: r0 = openat$tun(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) ioctl$TUNSETVNETLE(r0, 0x4020940d, 0x0) [ 1194.389312][T31075] batman_adv: Cannot find parent device [ 1194.422321][T31074] batman_adv: Cannot find parent device [ 1194.435627][T31074] batman_adv: batadv0: Adding interface: ip6gretap624 [ 1194.442727][T31074] batman_adv: batadv0: The MTU of interface ip6gretap624 is too small (1434) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1194.473522][T31074] batman_adv: batadv0: Not using interface ip6gretap624 (retrying later): interface not active [ 1194.563547][T31083] batman_adv: Cannot find parent device 07:24:41 executing program 5: openat$kvm(0xffffffffffffff9c, &(0x7f00000004c0), 0x0, 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x1) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0xa) mount(0x0, &(0x7f0000000000)='./file1\x00', &(0x7f0000000140)='cpuset\x00', 0x0, 0x0) r0 = open(&(0x7f0000000080)='./file0\x00', 0x80840, 0x60) syz_fuse_handle_req(0xffffffffffffffff, 0x0, 0x0, &(0x7f00000017c0)={0x0, &(0x7f0000002140)={0x18, 0xfffffffffffffff5, 0x7, {0xa4a5}}, &(0x7f0000002180)={0x18, 0xfffffffffffffffe, 0x88b, {0x100000000000}}, &(0x7f0000004280)={0x18, 0xffffffffffffffda, 0x0, {0xfffff001}}, 0x0, 0x0, &(0x7f0000006400)={0x60, 0x0, 0x20000000000004, {{0x670, 0x80000000, 0x8, 0x55, 0x0, 0x800, 0x4, 0x7fffffff}}}, &(0x7f0000006480)={0x18, 0x0, 0x4}, &(0x7f00000064c0)=ANY=[@ANYBLOB="11030099e7e1447ebde933"], 0x0, 0x0, 0x0, &(0x7f0000000800)=ANY=[], &(0x7f0000001d80)=ANY=[@ANYRES64, @ANYRESHEX, @ANYRESDEC, @ANYRESOCT, @ANYBLOB="2e95af47028727dfb7ba6a6530bdc64eaa492ccd52b87b52a3e1b9478c0a3736aa43a1681248e844705fd8d73ca6eaf6ddc4ef81ec532eabc5e20f847363cc82538d413edcd050f96b45e88c45eec8d2d93b2898a40700000000000000199a58128f4472986bdc2f58fbee26b16901f596", @ANYRES32=0x0, @ANYRES64, @ANYRES32, @ANYRES32, @ANYRES16=r0, @ANYRESDEC=r0], &(0x7f0000007340)={0xa0, 0x0, 0x0, {{0x1, 0x2, 0x7fffffff, 0x6, 0x2e, 0x10000, {0x0, 0xfffffffffffffffc, 0x1, 0x0, 0x8, 0x101, 0x0, 0x0, 0x0, 0x0, 0xfffffffc, 0xffffffffffffffff, 0x0, 0x2, 0x6}}, {0x0, 0x5}}}, &(0x7f0000007400)={0x20, 0x0, 0x0, {0x0, 0x4, 0x0, 0x6}}}) getgroups(0x1, &(0x7f0000000440)=[0xffffffffffffffff]) mount(&(0x7f0000001580)=ANY=[@ANYBLOB="2f6465760000000000f2426b3596672721f82c2c1b0000000000f5c9c20787c357e6000000c0ed84774d7ecb670a56200950fd6a2206b9d29d8a471c56aaecdbb4896fedcb82e2fe1bc2a9e9c41f351b4e0be49a4ec1f26c"], &(0x7f0000000180)='./file0\x00', &(0x7f0000000200)='v7\x00', 0x2002000, 0x0) r1 = openat$null(0xffffffffffffff9c, &(0x7f0000001940), 0x80000, 0x0) sendfile(r1, 0xffffffffffffffff, 0x0, 0x6) dup3(0xffffffffffffffff, r0, 0x0) r2 = add_key$keyring(0x0, 0x0, 0x0, 0x0, 0x0) setuid(0x0) r3 = add_key$keyring(&(0x7f0000000000), &(0x7f0000000040)={'syz', 0x3}, 0x0, 0x0, 0xfffffffffffffffb) keyctl$revoke(0x3, r3) keyctl$unlink(0x9, 0x0, r2) chown(&(0x7f0000000240)='./file1\x00', 0x0, 0x0) mount$overlay(0x0, &(0x7f00000001c0)='./file1\x00', &(0x7f00000002c0), 0x40001, &(0x7f0000001500)={[{@lowerdir={'lowerdir', 0x3d, './file1'}}, {@index_off}, {@index_on}, {@xino_off}], [{@obj_role={'obj_role', 0x3d, 'v7\x00'}}, {@seclabel}, {@fsmagic={'fsmagic', 0x3d, 0x1f}}]}) chdir(0x0) syz_mount_image$tmpfs(&(0x7f00000000c0), &(0x7f0000000100)='./file1\x00', 0x6, 0x7, &(0x7f0000001980)=[{&(0x7f0000000340)="ffb227bca3c8e17a21ce25b2b972733823a76c64e9ca08013be2a3ddaf54e89efbba145f97593c9fa68e78fcd3a47f1fb6aa7ae78b621d745e9bc275574ac4013bfb6bac7dfe45bad342686c2aa3acb5feb7734ad78e0a76d1aa328d9a33b2e6b0bb6f80f3ea780efa30f8c747546a7792f57877ff2a370ae1d7daa607887f3cb0cf84d8708136a38d65a633ee0572f3522bcb50c56b70f8f99b32aeb9d83f18b349d692700103f4a8b428de58aa22a03c032d42d33b19bb1213b7", 0xbb, 0x9d6}, {&(0x7f0000000500)="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", 0x1000, 0x7fff}, {&(0x7f0000001c80)="c27be8db1444bc4a094e3da8f02f9efc88af1a6219983986935f7ce9eb3b1c80a6798866c6e2f94d80203e660f7a2d1704d0c66e76b11941aea7955fc993ac39141701a19228619384d1648155f2a0ef5be8c1e97bdc6cabd0f5d39d2d64b99a209bbde131d4864c4f843e68328747c9daea76ea71fcc3884cbbb055a1680efd992473fc16c159f61484d536f8c8a94a7705cc9333b189cf1d161883074444740f9253af613b06ef7a278d6a45225d94cc156d549fe9ef7192313af0cc9131fa27e18c5d6980983fb5ead97d3f6b0a4a9199f32ecb52e7ea74bb0b8087c7", 0xde, 0x81}, {&(0x7f0000000400)="1557168cc323d0e3ef98852b8b4983fa921d8568616b628ec00f033da59ce12ffd478b5363e9", 0x26, 0x1}, {&(0x7f0000000480)="8a6d47df4240ddfda056697c2af38c4f90469bae7d387b28494924d04acba7", 0x1f, 0x80}, {&(0x7f0000001b00)="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", 0x163, 0x6}, {&(0x7f0000001600)="95c07e48079b079b5d88a88ef519e460de5009f876daec3d5e833a847c61d61051026612a621fb7d07479b88c6a196d243003d2d80287abe7cf370d9b50531947d7070d69d8ceca2fb1116fbe3ef548f209d67ecd3b62dd2fde9f33cf86562f8bc917d044413d262ca7b789cc560608d63bc60a8cf4559ed39bdc7c06a8069831feb51b35f5c10c1edc3fe938b285b8ec037abacf9caa52696b58ddb87c3", 0x9e, 0x4}], 0x101428, &(0x7f0000001e80)=ANY=[@ANYBLOB="687567653d616c776179732c7569643d3228aac44baa96a7faf9d55b529e8824c7ed98d4c436b177cdd17a45b58788c12a3929ea4574e7a94ede3626c4329baec801e10dd7a01f3a8d703f2cefea1b5a2472d12549c3552e9009222e7b144213f326d6aaae889a36c6c892678f0164f4cb086c0e46fc45077a", @ANYRESHEX, @ANYBLOB="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"]) 07:24:41 executing program 3: r0 = openat$binder_debug(0xffffffffffffff9c, &(0x7f0000000380)='/sys/kernel/debug/binder/stats\x00', 0x0, 0x0) read$FUSE(r0, 0x0, 0x3c) 07:24:41 executing program 1: r0 = socket$nl_route(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$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x2f000000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:24:41 executing program 2: r0 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x10}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:24:41 executing program 4: r0 = syz_open_dev$sndctrl(&(0x7f0000000580), 0x0, 0x0) ioctl$SNDRV_CTL_IOCTL_ELEM_LIST(r0, 0xc0505510, 0x0) 07:24:41 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000180)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0xffffff9e, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x48}}, 0x0) [ 1195.509254][T31102] batman_adv: Cannot find parent device 07:24:42 executing program 3: perf_event_open(&(0x7f0000000640)={0x2, 0x80, 0xdb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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) pipe(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$lock(r0, 0x25, &(0x7f0000000040)={0x3}) 07:24:42 executing program 5: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NET_DM_CMD_START(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000580)={0x0, 0x58}, 0x1, 0x0, 0x0, 0x5}, 0x0) [ 1195.926426][T31108] batman_adv: Cannot find parent device [ 1196.126436][T31113] batman_adv: Cannot find parent device [ 1196.140029][T31113] batman_adv: batadv0: Adding interface: ip6gretap625 [ 1196.147527][T31113] batman_adv: batadv0: The MTU of interface ip6gretap625 is too small (1434) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 07:24:42 executing program 1: r0 = socket$nl_route(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$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x3a000000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) [ 1196.174761][T31113] batman_adv: batadv0: Not using interface ip6gretap625 (retrying later): interface not active 07:24:43 executing program 4: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) ioctl$BTRFS_IOC_TREE_SEARCH_V2(r0, 0xc0709411, 0x0) 07:24:43 executing program 2: r0 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x11}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:24:43 executing program 3: mq_open(&(0x7f0000000040)='@+@&$\x00', 0x0, 0x0, &(0x7f0000000140)) 07:24:43 executing program 5: r0 = socket(0x18, 0x0, 0x2) getsockname(r0, 0x0, &(0x7f0000000140)) [ 1196.936292][T31127] batman_adv: Cannot find parent device 07:24:43 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000180)={'batadv0\x00', 0x0}) r2 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0xffffffc3, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x48}}, 0x0) [ 1197.277558][T31133] batman_adv: Cannot find parent device 07:24:43 executing program 4: r0 = socket(0xa, 0x80803, 0x3a) sendmsg$kcm(r0, &(0x7f0000000640)={&(0x7f0000000000)=@l2tp={0x2, 0x0, @loopback}, 0x80, 0x0}, 0x0) 07:24:44 executing program 3: bpf$MAP_CREATE(0xc, 0x0, 0x0) 07:24:44 executing program 1: r0 = socket$nl_route(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$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x3f000000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:24:44 executing program 5: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000002dc0), 0x321a00, 0x0) openat$zero(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) socket$nl_generic(0x10, 0x3, 0x10) close_range(r0, 0xffffffffffffffff, 0x0) 07:24:44 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x12}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) [ 1197.785551][T31144] batman_adv: Cannot find parent device [ 1197.799469][T31144] batman_adv: batadv0: Adding interface: ip6gretap626 [ 1197.806754][T31144] batman_adv: batadv0: The MTU of interface ip6gretap626 is too small (1434) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1197.834187][T31144] batman_adv: batadv0: Not using interface ip6gretap626 (retrying later): interface not active [ 1198.079034][T31151] batman_adv: Cannot find parent device 07:24:44 executing program 4: r0 = socket$nl_generic(0x10, 0x3, 0x10) getsockopt$netlink(r0, 0x10e, 0x5, &(0x7f0000003900)=""/135, &(0x7f00000039c0)=0x87) [ 1198.380943][T31161] batman_adv: Cannot find parent device 07:24:44 executing program 5: r0 = socket(0xa, 0x80803, 0x3a) bind$l2tp6(r0, &(0x7f0000000000)={0xa, 0x0, 0x0, @mcast1={0x0}}, 0x20) 07:24:44 executing program 3: r0 = openat$proc_capi20(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) openat$incfs(r0, &(0x7f0000000080)='.pending_reads\x00', 0x0, 0x0) 07:24:45 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000180)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0xffffffe0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x48}}, 0x0) 07:24:45 executing program 1: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$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, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x40000000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:24:45 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x25}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:24:45 executing program 4: getsockopt$netlink(0xffffffffffffffff, 0x10e, 0x0, 0x0, &(0x7f00000039c0)) socket$nl_generic(0x10, 0x3, 0x10) fork() 07:24:45 executing program 5: r0 = socket(0xa, 0x80803, 0x3a) bind$l2tp6(r0, &(0x7f0000000000)={0xa, 0x0, 0x0, @mcast1={0x0}}, 0x20) [ 1199.131626][T31174] batman_adv: Cannot find parent device [ 1199.145553][T31174] batman_adv: batadv0: Adding interface: ip6gretap627 [ 1199.152733][T31174] batman_adv: batadv0: The MTU of interface ip6gretap627 is too small (1434) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1199.180120][T31174] batman_adv: batadv0: Not using interface ip6gretap627 (retrying later): interface not active [ 1199.252010][T31175] batman_adv: Cannot find parent device 07:24:45 executing program 3: r0 = socket(0xa, 0x80803, 0x3a) r1 = socket$kcm(0x29, 0x2, 0x0) r2 = openat$dlm_plock(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$sock_kcm_SIOCKCMATTACH(r1, 0x89e0, &(0x7f0000000040)={r0, r2}) [ 1199.414826][T31182] batman_adv: Cannot find parent device 07:24:46 executing program 1: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$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, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x42090000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:24:46 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x2f}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:24:46 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000180)={'batadv0\x00', 0x0}) r2 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0xfffffff0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x48}}, 0x0) 07:24:46 executing program 5: r0 = socket(0xa, 0x80803, 0x3a) bind$l2tp6(r0, &(0x7f0000000000)={0xa, 0x0, 0x0, @mcast1={0x0}}, 0x20) [ 1200.043854][T31199] batman_adv: Cannot find parent device 07:24:46 executing program 3: r0 = socket$nl_sock_diag(0x10, 0x3, 0x4) setsockopt$netlink_NETLINK_CAP_ACK(r0, 0x10e, 0xa, &(0x7f0000000000), 0x4) 07:24:46 executing program 4: r0 = socket(0x18, 0x0, 0x2) sendmsg$kcm(r0, &(0x7f0000000300)={0x0, 0x0, 0x0, 0x0, &(0x7f0000000180)=ANY=[], 0x148}, 0x0) [ 1200.463497][T31208] batman_adv: Cannot find parent device [ 1200.510551][T31207] batman_adv: Cannot find parent device [ 1200.525516][T31207] batman_adv: batadv0: Adding interface: ip6gretap628 [ 1200.532687][T31207] batman_adv: batadv0: The MTU of interface ip6gretap628 is too small (1434) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 07:24:47 executing program 1: r0 = socket$nl_route(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$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x48000000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) [ 1200.560638][T31207] batman_adv: batadv0: Not using interface ip6gretap628 (retrying later): interface not active 07:24:47 executing program 2: r0 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x3a}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:24:47 executing program 5: r0 = socket(0xa, 0x80803, 0x3a) bind$l2tp6(r0, &(0x7f0000000000)={0xa, 0x0, 0x0, @mcast1={0x0}}, 0x20) 07:24:47 executing program 3: bpf$MAP_CREATE(0x6, &(0x7f00000009c0), 0x40) 07:24:47 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000180)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0xfffffffc, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x48}}, 0x0) [ 1201.156767][T31222] batman_adv: Cannot find parent device 07:24:47 executing program 4: syz_usb_connect_ath9k(0x3, 0x5a, &(0x7f0000000040)={{0x12, 0x1, 0x200, 0xff, 0xff, 0xff, 0x40, 0xcf3, 0x9271, 0x108, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x48}}]}}, 0x0) syz_genetlink_get_family_id$gtp(0x0, 0xffffffffffffffff) sendmsg$GTP_CMD_NEWPDP(0xffffffffffffffff, 0x0, 0x0) [ 1201.321052][T31227] batman_adv: Cannot find parent device 07:24:48 executing program 1: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$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, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x4a000000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:24:48 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x48}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) [ 1201.766019][T31239] batman_adv: Cannot find parent device [ 1201.780172][T31239] batman_adv: batadv0: Adding interface: ip6gretap629 [ 1201.787849][T31239] batman_adv: batadv0: The MTU of interface ip6gretap629 is too small (1434) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1201.815522][T31239] batman_adv: batadv0: Not using interface ip6gretap629 (retrying later): interface not active 07:24:48 executing program 5: bind$l2tp6(0xffffffffffffffff, &(0x7f0000000000)={0xa, 0x0, 0x0, @mcast1={0x0}}, 0x20) 07:24:48 executing program 3: r0 = signalfd(0xffffffffffffffff, &(0x7f0000000000), 0x8) pidfd_getfd(r0, 0xffffffffffffffff, 0x0) [ 1202.071723][T31246] batman_adv: Cannot find parent device [ 1202.103513][ T9242] usb 5-1: new high-speed USB device number 5 using dummy_hcd 07:24:48 executing program 1: r0 = socket$nl_route(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$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x4c000000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:24:48 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000180)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0xfffffffe, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x48}}, 0x0) [ 1202.408090][T31253] batman_adv: Cannot find parent device 07:24:49 executing program 5: bind$l2tp6(0xffffffffffffffff, &(0x7f0000000000)={0xa, 0x0, 0x0, @mcast1={0x0}}, 0x20) 07:24:49 executing program 3: seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x0, &(0x7f0000000400)={0x1, &(0x7f0000000000)=[{0x6, 0x0, 0x0, 0x7fffffff}]}) prctl$PR_SET_PTRACER(0x59616d61, 0xffffffffffffffff) clone(0x80100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() wait4(0x0, 0x0, 0x80000002, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000000)="0f34", 0x2}], 0x1, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x0) bpf$BPF_BTF_LOAD(0x12, &(0x7f00000000c0)={&(0x7f0000000440)={{0xeb9f, 0x1, 0x0, 0x18, 0x0, 0x116, 0x116, 0x7, [@const, @fwd, @volatile, @typedef, @ptr, @datasec={0x0, 0x9, 0x0, 0xf, 0x1, [{}, {}, {}, {}, {}, {}, {}, {}, {}], "88"}, @datasec={0x0, 0x7, 0x0, 0xf, 0x1, [{}, {}, {}, {}, {}, {}, {}], 'p'}]}, {0x0, [0x0, 0x0, 0x0, 0x0, 0x0]}}, 0x0, 0x137}, 0x20) process_vm_writev(0x0, &(0x7f0000000080)=[{0x0}, {0x0}, {&(0x7f00000193c0)=""/102389, 0x18ff5}], 0x0, 0x0, 0x0, 0x0) tkill(r0, 0x40) wait4(0x0, 0x0, 0x0, 0x0) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) r1 = gettid() rt_sigqueueinfo(r1, 0x3c, &(0x7f0000000040)) [ 1202.654162][ T9242] usb 5-1: New USB device found, idVendor=0cf3, idProduct=9271, bcdDevice= 1.08 [ 1202.664203][ T9242] usb 5-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 1202.673413][ T9242] usb 5-1: Product: syz [ 1202.677772][ T9242] usb 5-1: Manufacturer: syz [ 1202.682563][ T9242] usb 5-1: SerialNumber: syz [ 1202.783325][T31262] batman_adv: Cannot find parent device 07:24:49 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x4a}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) [ 1202.889187][T31265] batman_adv: Cannot find parent device [ 1202.902716][T31265] batman_adv: batadv0: Adding interface: ip6gretap630 [ 1202.910690][T31265] batman_adv: batadv0: The MTU of interface ip6gretap630 is too small (1434) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1202.937996][T31265] batman_adv: batadv0: Not using interface ip6gretap630 (retrying later): interface not active [ 1202.970960][ T9242] usb 5-1: ath9k_htc: Firmware ath9k_htc/htc_9271-1.4.0.fw requested 07:24:49 executing program 1: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$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, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x60000000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:24:49 executing program 5: bind$l2tp6(0xffffffffffffffff, &(0x7f0000000000)={0xa, 0x0, 0x0, @mcast1={0x0}}, 0x20) [ 1203.479336][T31282] batman_adv: Cannot find parent device [ 1203.610197][T31286] batman_adv: Cannot find parent device [ 1203.753801][ T9242] usb 5-1: ath9k_htc: Transferred FW: ath9k_htc/htc_9271-1.4.0.fw, size: 51008 07:24:50 executing program 4: bpf$MAP_CREATE(0x0, &(0x7f00000001c0)={0x3}, 0x40) 07:24:50 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000180)={'batadv0\x00', 0x0}) r2 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x48}}, 0x0) 07:24:50 executing program 3: r0 = socket(0x18, 0x0, 0x2) recvmsg$kcm(r0, &(0x7f0000002e80)={0x0, 0x0, 0x0}, 0x0) 07:24:50 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x4c}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:24:50 executing program 5: r0 = socket(0x0, 0x80803, 0x3a) bind$l2tp6(r0, &(0x7f0000000000)={0xa, 0x0, 0x0, @mcast1={0x0}}, 0x20) [ 1204.035467][T24812] usb 5-1: USB disconnect, device number 5 07:24:50 executing program 1: r0 = socket$nl_route(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$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x65580000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) [ 1204.277838][T31300] batman_adv: Cannot find parent device [ 1204.319726][T31302] batman_adv: Cannot find parent device [ 1204.397693][T31301] batman_adv: Cannot find parent device [ 1204.410627][T31301] batman_adv: batadv0: Adding interface: ip6gretap631 [ 1204.417863][T31301] batman_adv: batadv0: The MTU of interface ip6gretap631 is too small (1434) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1204.444443][T31301] batman_adv: batadv0: Not using interface ip6gretap631 (retrying later): interface not active 07:24:51 executing program 5: r0 = socket(0x0, 0x80803, 0x3a) bind$l2tp6(r0, &(0x7f0000000000)={0xa, 0x0, 0x0, @mcast1={0x0}}, 0x20) 07:24:51 executing program 3: r0 = socket$kcm(0x29, 0x2, 0x0) setsockopt$kcm_KCM_RECV_DISABLE(r0, 0x119, 0x1, 0x0, 0x4) 07:24:51 executing program 1: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$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, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x68000000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) [ 1204.803243][ T9242] ath9k_htc 5-1:1.0: ath9k_htc: Target is unresponsive [ 1204.810609][ T9242] ath9k_htc: Failed to initialize the device 07:24:51 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x60}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) [ 1204.869753][T24812] usb 5-1: ath9k_htc: USB layer deinitialized 07:24:51 executing program 4: r0 = socket$kcm(0x29, 0x2, 0x0) setsockopt$kcm_KCM_RECV_DISABLE(r0, 0x119, 0x1, &(0x7f0000000000)=0x80000001, 0x4) 07:24:51 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000180)={'batadv0\x00', 0x0}) r2 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x2}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x48}}, 0x0) [ 1205.304752][T31332] batman_adv: Cannot find parent device [ 1205.383021][T31335] batman_adv: Cannot find parent device 07:24:52 executing program 3: bpf$BPF_BTF_GET_NEXT_ID(0x17, &(0x7f0000000000), 0xac) 07:24:52 executing program 5: r0 = socket(0x0, 0x80803, 0x3a) bind$l2tp6(r0, &(0x7f0000000000)={0xa, 0x0, 0x0, @mcast1={0x0}}, 0x20) [ 1205.759607][T31343] batman_adv: Cannot find parent device [ 1205.773800][T31343] batman_adv: batadv0: Adding interface: ip6gretap632 [ 1205.781010][T31343] batman_adv: batadv0: The MTU of interface ip6gretap632 is too small (1434) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 07:24:52 executing program 2: r0 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x68}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) [ 1205.808380][T31343] batman_adv: batadv0: Not using interface ip6gretap632 (retrying later): interface not active 07:24:52 executing program 4: r0 = openat$dlm_plock(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) read$FUSE(r0, &(0x7f0000005080)={0x2020, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x2020) ptrace$peek(0xffffffffffffffff, r1, &(0x7f0000000080)) 07:24:52 executing program 1: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$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, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x6a000000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:24:52 executing program 3: ppoll(&(0x7f0000000000)=[{}, {}, {}], 0x3, &(0x7f0000000080), 0x0, 0x0) [ 1206.233773][T31353] batman_adv: Cannot find parent device [ 1206.469960][T31361] batman_adv: Cannot find parent device 07:24:53 executing program 5: r0 = socket(0xa, 0x0, 0x3a) bind$l2tp6(r0, &(0x7f0000000000)={0xa, 0x0, 0x0, @mcast1={0x0}}, 0x20) 07:24:53 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000180)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x3}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x48}}, 0x0) 07:24:53 executing program 4: r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) openat$incfs(r0, &(0x7f0000000080)='.log\x00', 0x20a000, 0x0) 07:24:53 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x6a}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:24:53 executing program 3: r0 = socket(0xa, 0x80803, 0x2) bind$l2tp6(r0, &(0x7f0000000000)={0xa, 0x0, 0x0, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01'}, 0x20) 07:24:53 executing program 1: r0 = socket$nl_route(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$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x6c000000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) [ 1207.121823][T31374] batman_adv: Cannot find parent device [ 1207.137306][T31374] batman_adv: batadv0: Adding interface: ip6gretap633 [ 1207.144460][T31374] batman_adv: batadv0: The MTU of interface ip6gretap633 is too small (1434) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1207.171716][T31374] batman_adv: batadv0: Not using interface ip6gretap633 (retrying later): interface not active [ 1207.327577][T31381] batman_adv: Cannot find parent device 07:24:54 executing program 4: openat$snapshot(0xffffffffffffff9c, 0x0, 0x321200, 0x0) 07:24:54 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x6c}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:24:54 executing program 5: r0 = socket(0xa, 0x0, 0x3a) bind$l2tp6(r0, &(0x7f0000000000)={0xa, 0x0, 0x0, @mcast1={0x0}}, 0x20) 07:24:54 executing program 3: syz_open_dev$video4linux(&(0x7f0000000000), 0x0, 0x4002) 07:24:54 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000180)={'batadv0\x00', 0x0}) r2 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x4}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x48}}, 0x0) [ 1207.783348][T31393] batman_adv: Cannot find parent device [ 1208.119558][T31400] batman_adv: Cannot find parent device 07:24:54 executing program 1: r0 = socket$nl_route(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$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x74000000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) [ 1208.312416][T31408] batman_adv: Cannot find parent device [ 1208.325736][T31408] batman_adv: batadv0: Adding interface: ip6gretap634 [ 1208.332732][T31408] batman_adv: batadv0: The MTU of interface ip6gretap634 is too small (1434) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 07:24:54 executing program 4: r0 = socket$l2tp6(0xa, 0x2, 0x73) flistxattr(r0, &(0x7f0000000000)=""/4096, 0x1000) [ 1208.360025][T31408] batman_adv: batadv0: Not using interface ip6gretap634 (retrying later): interface not active 07:24:55 executing program 3: syz_open_dev$video4linux(&(0x7f0000000000), 0x0, 0x4002) 07:24:55 executing program 5: r0 = socket(0xa, 0x0, 0x3a) bind$l2tp6(r0, &(0x7f0000000000)={0xa, 0x0, 0x0, @mcast1={0x0}}, 0x20) 07:24:55 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x74}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) [ 1208.853337][T31417] batman_adv: Cannot find parent device 07:24:55 executing program 4: sendmsg$SOCK_DESTROY(0xffffffffffffffff, 0x0, 0x0) 07:24:55 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000180)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x5}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x48}}, 0x0) [ 1209.309651][T31431] batman_adv: Cannot find parent device 07:24:55 executing program 1: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$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, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x76020000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:24:56 executing program 3: bpf$MAP_CREATE(0xe, &(0x7f00000009c0), 0x40) 07:24:56 executing program 5: r0 = socket(0xa, 0x80803, 0x0) bind$l2tp6(r0, &(0x7f0000000000)={0xa, 0x0, 0x0, @mcast1={0x0}}, 0x20) 07:24:56 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x7a}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:24:56 executing program 4: r0 = socket$nl_sock_diag(0x10, 0x3, 0x4) recvmmsg(r0, 0x0, 0x0, 0x0, 0x0) [ 1209.853750][T31440] batman_adv: Cannot find parent device [ 1209.868235][T31440] batman_adv: batadv0: Adding interface: ip6gretap635 [ 1209.875945][T31440] batman_adv: batadv0: The MTU of interface ip6gretap635 is too small (1434) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1209.903168][T31440] batman_adv: batadv0: Not using interface ip6gretap635 (retrying later): interface not active [ 1209.946088][T31441] batman_adv: Cannot find parent device 07:24:56 executing program 3: r0 = io_uring_setup(0x2e8, &(0x7f0000000080)={0x0, 0x0, 0x10}) mmap$IORING_OFF_SQ_RING(&(0x7f0000ffd000/0x2000)=nil, 0x2000, 0xa, 0x12, r0, 0x0) 07:24:56 executing program 1: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$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, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x7a000000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) [ 1210.427081][T31458] batman_adv: Cannot find parent device 07:24:57 executing program 4: r0 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000000)='/proc/consoles\x00', 0x0, 0x0) read$char_raw(r0, &(0x7f0000000200)={""/37833}, 0x9400) 07:24:57 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000180)={'batadv0\x00', 0x0}) r2 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x6}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x48}}, 0x0) 07:24:57 executing program 5: r0 = socket(0xa, 0x80803, 0x0) bind$l2tp6(r0, &(0x7f0000000000)={0xa, 0x0, 0x0, @mcast1={0x0}}, 0x20) 07:24:57 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0xa1}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) [ 1210.841284][T31467] batman_adv: Cannot find parent device 07:24:57 executing program 3: r0 = openat$sysfs(0xffffffffffffff9c, &(0x7f0000001800)='/sys/power/mem_sleep', 0x0, 0x0) ioctl$BLKFRASET(r0, 0x1264, 0x0) 07:24:57 executing program 1: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$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, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x81000000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) [ 1211.293491][T31479] batman_adv: Cannot find parent device [ 1211.307346][T31479] batman_adv: batadv0: Adding interface: ip6gretap636 [ 1211.315330][T31479] batman_adv: batadv0: The MTU of interface ip6gretap636 is too small (1434) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1211.342338][T31479] batman_adv: batadv0: Not using interface ip6gretap636 (retrying later): interface not active [ 1211.462815][T31483] batman_adv: Cannot find parent device 07:24:58 executing program 4: r0 = socket(0x2, 0xa, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) dup3(r0, r1, 0x0) 07:24:58 executing program 3: r0 = socket$nl_generic(0x10, 0x3, 0x10) ppoll(&(0x7f0000000000)=[{r0, 0x84}], 0x1, 0x0, &(0x7f00000000c0)={[0xd3]}, 0x8) 07:24:58 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0xd8}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:24:58 executing program 5: r0 = socket(0xa, 0x80803, 0x0) bind$l2tp6(r0, &(0x7f0000000000)={0xa, 0x0, 0x0, @mcast1={0x0}}, 0x20) 07:24:58 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000180)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x7}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x48}}, 0x0) [ 1212.064088][T31493] batman_adv: Cannot find parent device [ 1212.305578][T31502] batman_adv: Cannot find parent device 07:24:58 executing program 3: r0 = socket$packet(0x11, 0x2, 0x300) ioctl$ifreq_SIOCGIFINDEX_team(r0, 0x8940, &(0x7f0000000100)) 07:24:59 executing program 4: syz_mount_image$romfs(0x0, 0x0, 0x0, 0x2, &(0x7f0000001340)=[{&(0x7f00000000c0)="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", 0xf41, 0x7fff}, {&(0x7f00000010c0)="f9", 0x1, 0x7472}], 0x0, 0x0) 07:24:59 executing program 1: r0 = socket$nl_route(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$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x81ffffff}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) [ 1212.560164][T31512] batman_adv: Cannot find parent device [ 1212.574057][T31512] batman_adv: batadv0: Adding interface: ip6gretap637 [ 1212.581215][T31512] batman_adv: batadv0: The MTU of interface ip6gretap637 is too small (1434) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1212.608288][T31512] batman_adv: batadv0: Not using interface ip6gretap637 (retrying later): interface not active 07:24:59 executing program 2: r0 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0xfc}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:24:59 executing program 5: socket(0xa, 0x80803, 0x3a) bind$l2tp6(0xffffffffffffffff, &(0x7f0000000000)={0xa, 0x0, 0x0, @mcast1={0x0}}, 0x20) [ 1213.063851][T31520] loop4: detected capacity change from 0 to 127 [ 1213.175551][T31525] batman_adv: Cannot find parent device [ 1213.186125][T31525] device ip6gretap827 entered promiscuous mode [ 1213.376693][T31531] batman_adv: Cannot find parent device 07:24:59 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000180)={'batadv0\x00', 0x0}) r2 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x8}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x48}}, 0x0) 07:24:59 executing program 4: openat$pidfd(0xffffffffffffff9c, 0x0, 0x56e98d05ed1dfcf0, 0x0) 07:25:00 executing program 3: prlimit64(0x0, 0x0, &(0x7f0000000180)={0xfffffffffffffffa}, 0x0) 07:25:00 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0xfe}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) [ 1213.827542][T31541] batman_adv: Cannot find parent device [ 1213.840637][T31541] batman_adv: batadv0: Adding interface: ip6gretap638 [ 1213.847861][T31541] batman_adv: batadv0: The MTU of interface ip6gretap638 is too small (1434) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 07:25:00 executing program 1: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$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, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x88470000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) [ 1213.877224][T31541] batman_adv: batadv0: Not using interface ip6gretap638 (retrying later): interface not active 07:25:00 executing program 5: socket(0xa, 0x80803, 0x3a) bind$l2tp6(0xffffffffffffffff, &(0x7f0000000000)={0xa, 0x0, 0x0, @mcast1={0x0}}, 0x20) 07:25:00 executing program 4: r0 = socket$nl_generic(0x10, 0x3, 0x10) recvmmsg(r0, 0x0, 0x0, 0x2041, 0x0) [ 1214.357084][T31552] batman_adv: Cannot find parent device 07:25:00 executing program 3: r0 = openat$sysfs(0xffffffffffffff9c, &(0x7f0000001800)='/sys/power/mem_sleep', 0x0, 0x0) mmap$IORING_OFF_SQES(&(0x7f0000ffc000/0x4000)=nil, 0x4000, 0x0, 0x12, r0, 0x10000000) [ 1214.521728][T31557] batman_adv: Cannot find parent device 07:25:01 executing program 5: socket(0xa, 0x80803, 0x3a) bind$l2tp6(0xffffffffffffffff, &(0x7f0000000000)={0xa, 0x0, 0x0, @mcast1={0x0}}, 0x20) 07:25:01 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000180)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x9}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x48}}, 0x0) 07:25:01 executing program 1: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$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, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x88480000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:25:01 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x122}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:25:01 executing program 4: r0 = socket$packet(0x11, 0x2, 0x300) ioctl$ifreq_SIOCGIFINDEX_team(r0, 0x8933, &(0x7f0000000100)) 07:25:01 executing program 3: r0 = socket$nl_sock_diag(0x10, 0x3, 0x4) ioctl$ifreq_SIOCGIFINDEX_team(r0, 0x8933, &(0x7f0000005dc0)={'team0\x00', 0x0}) bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f000000abc0)={0x0, 0x2, &(0x7f000000aa80)=@raw=[@btf_id], &(0x7f000000aac0)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', r1, 0x0, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0}, 0x78) [ 1215.297212][T31571] batman_adv: Cannot find parent device [ 1215.312475][T31571] batman_adv: batadv0: Adding interface: ip6gretap639 [ 1215.320266][T31571] batman_adv: batadv0: The MTU of interface ip6gretap639 is too small (1434) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 07:25:01 executing program 5: r0 = socket(0xa, 0x80803, 0x3a) bind$l2tp6(r0, 0x0, 0x0) [ 1215.347149][T31571] batman_adv: batadv0: Not using interface ip6gretap639 (retrying later): interface not active [ 1215.422364][T31572] batman_adv: Cannot find parent device [ 1215.478752][T31578] batman_adv: Cannot find parent device [ 1215.487350][T31578] device ip6gretap809 entered promiscuous mode 07:25:02 executing program 4: openat$procfs(0xffffffffffffff9c, 0xffffffffffffffff, 0x0, 0x0) 07:25:02 executing program 1: r0 = socket$nl_route(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$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x88a8ffff}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:25:02 executing program 2: r0 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x134}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:25:02 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000180)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0xa}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x48}}, 0x0) 07:25:02 executing program 5: r0 = socket(0xa, 0x80803, 0x3a) bind$l2tp6(r0, 0x0, 0x0) 07:25:02 executing program 3: r0 = openat$sysfs(0xffffffffffffff9c, &(0x7f0000001800)='/sys/power/mem_sleep', 0x0, 0x0) mmap$IORING_OFF_SQES(&(0x7f0000ffb000/0x3000)=nil, 0x3000, 0x0, 0x10, r0, 0x10000000) [ 1216.288573][T31595] batman_adv: Cannot find parent device [ 1216.297895][T31595] device ip6gretap830 entered promiscuous mode [ 1216.340804][T31596] batman_adv: Cannot find parent device [ 1216.349799][T31596] device ip6gretap810 entered promiscuous mode 07:25:02 executing program 4: r0 = socket$inet(0x2, 0x4000000000000001, 0x0) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f00000007c0)='bbr\x00', 0x4) [ 1216.513093][T31602] batman_adv: Cannot find parent device [ 1216.526333][T31602] batman_adv: batadv0: Adding interface: ip6gretap640 [ 1216.533503][T31602] batman_adv: batadv0: The MTU of interface ip6gretap640 is too small (1434) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1216.561331][T31602] batman_adv: batadv0: Not using interface ip6gretap640 (retrying later): interface not active 07:25:03 executing program 2: r0 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x2cc}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:25:03 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000180)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0xb}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x48}}, 0x0) 07:25:03 executing program 1: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$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, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x967891f4}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:25:03 executing program 3: socket$inet6_sctp(0xa, 0x47cb4f6d1e7168a6, 0x84) 07:25:03 executing program 5: r0 = socket(0xa, 0x80803, 0x3a) bind$l2tp6(r0, 0x0, 0x0) 07:25:03 executing program 4: r0 = socket$nl_sock_diag(0x10, 0x3, 0x4) recvmmsg(r0, &(0x7f0000005980)=[{{0x0, 0x0, &(0x7f0000001600)=[{0x0}], 0x1}}], 0x1, 0x0, 0x0) [ 1217.344605][T31620] batman_adv: Cannot find parent device [ 1217.394087][T31619] batman_adv: Cannot find parent device [ 1217.402186][T31619] device ip6gretap831 entered promiscuous mode [ 1217.562527][T31627] batman_adv: Cannot find parent device [ 1217.576691][T31627] batman_adv: batadv0: Adding interface: ip6gretap641 [ 1217.583921][T31627] batman_adv: batadv0: The MTU of interface ip6gretap641 is too small (1434) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1217.612129][T31627] batman_adv: batadv0: Not using interface ip6gretap641 (retrying later): interface not active 07:25:04 executing program 3: bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000100)={0x0}, 0x10) 07:25:04 executing program 5: socket$nl_generic(0x10, 0x3, 0x10) io_uring_register$IORING_REGISTER_FILES(0xffffffffffffffff, 0x2, 0x0, 0x0) r0 = openat$bsg(0xffffffffffffff9c, 0x0, 0x8c51eec55391b13e, 0x0) mmap$IORING_OFF_CQ_RING(&(0x7f0000ffe000/0x2000)=nil, 0x2000, 0x2000001, 0x8010, r0, 0x8000000) io_uring_setup(0x33d5, &(0x7f00000013c0)={0x0, 0x32ee, 0x1, 0x0, 0x2d7}) io_uring_register$IORING_REGISTER_EVENTFD(0xffffffffffffffff, 0x4, &(0x7f0000001440)=r0, 0x1) io_uring_setup(0x0, 0x0) 07:25:04 executing program 1: r0 = socket$nl_route(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$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x9effffff}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:25:04 executing program 2: r0 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x2de}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:25:04 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000180)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0xc}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x48}}, 0x0) [ 1218.508014][T31649] batman_adv: Cannot find parent device 07:25:05 executing program 3: r0 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000040)='/proc/sysvipc/shm\x00', 0x0, 0x0) read$char_raw(r0, &(0x7f0000000200)={""/6922}, 0x1c00) [ 1218.626822][T31652] batman_adv: Cannot find parent device [ 1218.637267][T31652] device ip6gretap832 entered promiscuous mode 07:25:05 executing program 5: r0 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000040)='/proc/bus/input/devices\x00', 0x0, 0x0) read$char_raw(r0, 0x0, 0x85) 07:25:05 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x300}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:25:05 executing program 1: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$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, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0xa6000000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:25:05 executing program 4: perf_event_open(&(0x7f0000000140)={0x0, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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}}, 0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0x0) [ 1219.000755][T31660] batman_adv: Cannot find parent device [ 1219.015398][T31660] batman_adv: batadv0: Adding interface: ip6gretap642 [ 1219.022385][T31660] batman_adv: batadv0: The MTU of interface ip6gretap642 is too small (1434) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1219.052837][T31660] batman_adv: batadv0: Not using interface ip6gretap642 (retrying later): interface not active [ 1219.201088][T31665] batman_adv: Cannot find parent device [ 1219.209549][T31665] device ip6gretap813 entered promiscuous mode 07:25:05 executing program 3: r0 = openat$vcsu(0xffffffffffffff9c, &(0x7f0000000b80), 0x0, 0x0) mmap$IORING_OFF_SQ_RING(&(0x7f0000ffc000/0x1000)=nil, 0x1000, 0x6, 0x13, r0, 0x0) [ 1219.443189][T31673] batman_adv: Cannot find parent device 07:25:06 executing program 5: r0 = socket$packet(0x11, 0x2, 0x300) ioctl$ifreq_SIOCGIFINDEX_team(r0, 0x8971, &(0x7f0000000100)) 07:25:06 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x37e}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:25:06 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000180)={'batadv0\x00', 0x0}) r2 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0xd}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x48}}, 0x0) 07:25:06 executing program 4: r0 = openat$sysfs(0xffffffffffffff9c, &(0x7f0000001800)='/sys/power/mem_sleep', 0x0, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x5452, 0x0) 07:25:06 executing program 1: r0 = socket$nl_route(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$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0xb1a2fce7}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) [ 1220.075707][T31687] batman_adv: Cannot find parent device [ 1220.084451][T31687] device ip6gretap814 entered promiscuous mode 07:25:06 executing program 3: openat$sysfs(0xffffffffffffff9c, &(0x7f0000000000)='/sys/block/loop3', 0x10000, 0x0) [ 1220.208203][T31691] batman_adv: Cannot find parent device [ 1220.221136][T31691] batman_adv: batadv0: Adding interface: ip6gretap643 [ 1220.228546][T31691] batman_adv: batadv0: The MTU of interface ip6gretap643 is too small (1434) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1220.259184][T31691] batman_adv: batadv0: Not using interface ip6gretap643 (retrying later): interface not active 07:25:06 executing program 5: socket$inet6(0xa, 0x5, 0x3) 07:25:07 executing program 4: openat$vcsu(0xffffffffffffff9c, &(0x7f0000000b80), 0x0, 0x0) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, 0x0, 0x0) 07:25:07 executing program 2: r0 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x380}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) [ 1220.497123][T31698] batman_adv: Cannot find parent device 07:25:07 executing program 1: r0 = socket$nl_route(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$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0xc0020000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:25:07 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000180)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0xe}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x48}}, 0x0) [ 1221.001509][T31712] batman_adv: Cannot find parent device [ 1221.010401][T31712] device ip6gretap815 entered promiscuous mode 07:25:07 executing program 3: socketpair(0x39, 0x0, 0x0, &(0x7f0000000000)) 07:25:07 executing program 4: seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x0, &(0x7f0000001000)={0x1, &(0x7f0000000fc0)=[{0x8001}]}) [ 1221.382304][T31719] batman_adv: Cannot find parent device 07:25:07 executing program 5: r0 = socket$inet6_udplite(0xa, 0x2, 0x88) getsockname(r0, 0x0, &(0x7f00000000c0)=0x7) [ 1221.547819][T31725] batman_adv: Cannot find parent device [ 1221.562078][T31725] batman_adv: batadv0: Adding interface: ip6gretap644 [ 1221.569763][T31725] batman_adv: batadv0: The MTU of interface ip6gretap644 is too small (1434) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 07:25:08 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x388}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) [ 1221.597445][T31725] batman_adv: batadv0: Not using interface ip6gretap644 (retrying later): interface not active 07:25:08 executing program 1: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$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, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0xc3ffffff}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:25:08 executing program 3: r0 = socket$packet(0x11, 0x2, 0x300) ioctl$ifreq_SIOCGIFINDEX_team(r0, 0x890b, &(0x7f0000000100)) 07:25:08 executing program 4: r0 = socket$packet(0x11, 0x2, 0x300) ioctl$ifreq_SIOCGIFINDEX_team(r0, 0x80108907, 0x0) 07:25:08 executing program 5: r0 = socket$packet(0x11, 0x2, 0x300) recvfrom$packet(r0, 0x0, 0x0, 0x12002, 0x0, 0x0) [ 1222.273922][T31740] batman_adv: Cannot find parent device [ 1222.282025][T31740] device ip6gretap816 entered promiscuous mode [ 1222.322287][T31741] batman_adv: Cannot find parent device [ 1222.332169][T31741] device ip6gretap836 entered promiscuous mode 07:25:08 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000180)={'batadv0\x00', 0x0}) r2 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0xf}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x48}}, 0x0) 07:25:08 executing program 3: r0 = openat$sysfs(0xffffffffffffff9c, &(0x7f0000001800)='/sys/power/mem_sleep', 0x0, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x4020940d, 0x0) 07:25:09 executing program 2: r0 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x392}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:25:09 executing program 4: clone3(&(0x7f00000002c0)={0x80381800, 0x0, 0x0, 0x0, {}, 0x0, 0x0, 0x0, 0x0}, 0x58) 07:25:09 executing program 1: r0 = socket$nl_route(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$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0xe0ffffff}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) [ 1222.918074][T31755] batman_adv: Cannot find parent device [ 1222.931271][T31755] batman_adv: batadv0: Adding interface: ip6gretap645 [ 1222.938731][T31755] batman_adv: batadv0: The MTU of interface ip6gretap645 is too small (1434) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 07:25:09 executing program 5: bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0x11, 0x0, 0x0, 0x0, 0x0, 0x1}, 0x40) [ 1222.967578][T31755] batman_adv: batadv0: Not using interface ip6gretap645 (retrying later): interface not active [ 1223.212232][T31762] batman_adv: Cannot find parent device [ 1223.220493][T31762] device ip6gretap817 entered promiscuous mode 07:25:09 executing program 3: r0 = openat$sysfs(0xffffffffffffff9c, &(0x7f0000001800)='/sys/power/mem_sleep', 0x0, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x5460, 0x0) [ 1223.407935][T31769] batman_adv: Cannot find parent device [ 1223.417338][T31769] device ip6gretap837 entered promiscuous mode 07:25:10 executing program 5: openat$kvm(0xffffffffffffff9c, 0x0, 0x1910c0, 0x0) 07:25:10 executing program 4: shmat(0x0, &(0x7f0000ffd000/0x2000)=nil, 0x0) shmctl$SHM_STAT(0x0, 0xd, &(0x7f0000000000)=""/146) 07:25:10 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000180)={'batadv0\x00', 0x0}) r2 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x10}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x48}}, 0x0) 07:25:10 executing program 2: r0 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x3aa}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:25:10 executing program 1: r0 = socket$nl_route(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$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0xe7fca2b1}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:25:10 executing program 3: r0 = socket$inet_icmp_raw(0x2, 0x3, 0x1) ioctl$sock_ifreq(r0, 0x8993, &(0x7f0000000000)={'netpci0\x00', @ifru_addrs=@isdn}) 07:25:10 executing program 5: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$team(&(0x7f00000000c0), 0xffffffffffffffff) sendmsg$TEAM_CMD_PORT_LIST_GET(r0, &(0x7f0000001180)={0x0, 0x0, &(0x7f0000001140)={&(0x7f0000000580)=ANY=[@ANYBLOB='X\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="11", @ANYBLOB], 0x58}}, 0x0) getsockname$packet(0xffffffffffffffff, 0x0, 0x0) [ 1224.231292][T31784] batman_adv: Cannot find parent device [ 1224.244736][T31784] batman_adv: batadv0: Adding interface: ip6gretap646 [ 1224.255375][T31784] batman_adv: batadv0: The MTU of interface ip6gretap646 is too small (1434) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 07:25:10 executing program 4: openat$sysfs(0xffffffffffffff9c, &(0x7f0000000080)='/sys/power/pm_trace_dev_match', 0x801, 0x0) [ 1224.282324][T31784] batman_adv: batadv0: Not using interface ip6gretap646 (retrying later): interface not active [ 1224.360339][T31787] batman_adv: Cannot find parent device 07:25:10 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x3ee}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:25:11 executing program 1: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$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, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0xf0ffffff}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) [ 1224.788102][T31803] netlink: 68 bytes leftover after parsing attributes in process `syz-executor.5'. [ 1224.921144][T31808] netlink: 68 bytes leftover after parsing attributes in process `syz-executor.5'. [ 1224.954489][T31809] batman_adv: Cannot find parent device [ 1224.963771][T31809] device ip6gretap818 entered promiscuous mode 07:25:11 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000180)={'batadv0\x00', 0x0}) r2 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x11}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x48}}, 0x0) 07:25:11 executing program 3: socket(0x11, 0x3, 0xe6d) 07:25:11 executing program 4: r0 = openat$sysfs(0xffffffffffffff9c, &(0x7f0000001800)='/sys/power/mem_sleep', 0x0, 0x0) connect$caif(r0, &(0x7f0000000000), 0x18) 07:25:11 executing program 5: r0 = socket$packet(0x11, 0x2, 0x300) ioctl$ifreq_SIOCGIFINDEX_team(r0, 0x8903, &(0x7f0000000100)) [ 1225.388557][T31814] batman_adv: Cannot find parent device [ 1225.398046][T31814] device ip6gretap839 entered promiscuous mode 07:25:11 executing program 2: r0 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x3fa}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) [ 1225.557759][T31820] batman_adv: Cannot find parent device [ 1225.571224][T31820] batman_adv: batadv0: Adding interface: ip6gretap647 [ 1225.578397][T31820] batman_adv: batadv0: The MTU of interface ip6gretap647 is too small (1434) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1225.609118][T31820] batman_adv: batadv0: Not using interface ip6gretap647 (retrying later): interface not active 07:25:12 executing program 3: r0 = socket$vsock_stream(0x28, 0x1, 0x0) sendmsg$TEAM_CMD_NOOP(r0, &(0x7f00000004c0)={0x0, 0x0, &(0x7f0000000480)={0x0, 0x1e8}}, 0x24004005) 07:25:12 executing program 1: r0 = socket$nl_route(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$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0xf4917896}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:25:12 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000180)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x12}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x48}}, 0x0) 07:25:12 executing program 4: socket(0x1, 0x0, 0x26) 07:25:12 executing program 5: r0 = socket$packet(0x11, 0x2, 0x300) ioctl$ifreq_SIOCGIFINDEX_team(r0, 0x891c, 0x0) [ 1226.165925][T31830] batman_adv: Cannot find parent device [ 1226.174785][T31830] device ip6gretap819 entered promiscuous mode [ 1226.387041][T31837] batman_adv: Cannot find parent device [ 1226.405418][T31837] batman_adv: batadv0: Adding interface: ip6gretap648 [ 1226.412991][T31837] batman_adv: batadv0: The MTU of interface ip6gretap648 is too small (1434) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1226.439845][T31837] batman_adv: batadv0: Not using interface ip6gretap648 (retrying later): interface not active [ 1226.515027][T31840] batman_adv: Cannot find parent device 07:25:13 executing program 3: syz_mount_image$romfs(&(0x7f00000000c0), &(0x7f0000000100)='./file0\x00', 0x0, 0x2, &(0x7f00000005c0)=[{&(0x7f0000000140)="635e64724871776e8b7f53f2225733e644f4ec94fe8aab3ae6f49a5ad13e6567c7e1ee5bce15006e702d60c28d92ceb732179161b39a1bfbc1f80b3e1b0a80d67edd3c67c1b1d17cd9be1a422a1f63df19039ed41f9766ff94bb3a6ff58e9eadb5abc740b235ccc1eb6d350d00", 0x6d, 0x7}, {&(0x7f0000000240), 0x0, 0xffffffffffffffb1}], 0x1000, &(0x7f0000000680)={[{'&\\@\xed/))!}:%'}, {'\x00'}, {'/dev/nvram\x00'}, {'\x00'}, {'\x00'}, {'/dev/nvram\x00'}], [{@fsuuid={'fsuuid', 0x3d, {[0x0, 0x62, 0x0, 0x0, 0x31, 0x0, 0x0, 0x63], 0x2d, [0x1b, 0x0, 0x0, 0x35], 0x2d, [0x39], 0x2d, [0x38, 0x33, 0x0, 0x39], 0x2d, [0x26e3b7bb96db9aac, 0x0, 0x63, 0x63, 0x33, 0xa4, 0x0, 0x65]}}}, {@permit_directio}]}) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(0xffffffffffffffff, 0x8933, 0x0) 07:25:13 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x3fc}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:25:13 executing program 5: r0 = socket$packet(0x11, 0x2, 0x300) sendmsg$ETHTOOL_MSG_LINKMODES_GET(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={0x0}}, 0x0) 07:25:13 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000180)={'batadv0\x00', 0x0}) r2 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x25}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x48}}, 0x0) 07:25:13 executing program 4: openat$vcsu(0xffffffffffffff9c, &(0x7f0000000000), 0x183402, 0x0) 07:25:13 executing program 1: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$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, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0xf6030000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) [ 1227.281340][T31857] batman_adv: Cannot find parent device [ 1227.290009][T31857] device ip6gretap820 entered promiscuous mode 07:25:13 executing program 3: seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x0, &(0x7f0000000400)={0x1, &(0x7f0000000000)=[{0x6, 0x0, 0x0, 0x7fffffff}]}) clone(0x80100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() wait4(0x0, 0x0, 0x80000002, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000100)=[{&(0x7f0000000000)="0f34", 0x2}], 0x1, 0x0) ptrace$setopts(0x4206, r0, 0x0, 0x0) bpf$BPF_BTF_LOAD(0x12, &(0x7f00000000c0)={&(0x7f0000000440)={{0xeb9f, 0x1, 0x0, 0x18, 0x0, 0x132, 0x132, 0x7, [@func_proto={0x0, 0x2, 0x0, 0xd, 0x0, [{}, {}]}, @const, @fwd, @volatile, @typedef, @ptr, @datasec={0x0, 0x9, 0x0, 0xf, 0x1, [{}, {}, {}, {}, {}, {}, {}, {}, {}], "88"}, @datasec={0x0, 0x7, 0x0, 0xf, 0x1, [{}, {}, {}, {}, {}, {}, {}], 'p'}]}, {0x0, [0x0, 0x0, 0x0, 0x0, 0x0]}}, 0x0, 0x153}, 0x20) process_vm_writev(0x0, &(0x7f0000000080)=[{0x0}, {0x0}, {&(0x7f00000193c0)=""/102389, 0x18ff5}], 0x0, 0x0, 0x0, 0x0) tkill(r0, 0x40) wait4(0x0, 0x0, 0x0, 0x0) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) r1 = gettid() rt_sigqueueinfo(r1, 0x3c, &(0x7f0000000040)) [ 1227.491954][T31863] batman_adv: Cannot find parent device [ 1227.507214][T31863] batman_adv: batadv0: Adding interface: ip6gretap649 [ 1227.515114][T31863] batman_adv: batadv0: The MTU of interface ip6gretap649 is too small (1434) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1227.545506][T31863] batman_adv: batadv0: Not using interface ip6gretap649 (retrying later): interface not active 07:25:14 executing program 5: r0 = socket$packet(0x11, 0x2, 0x300) ioctl$ifreq_SIOCGIFINDEX_team(r0, 0x5450, 0x0) [ 1227.802172][T31870] batman_adv: Cannot find parent device 07:25:14 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x500}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:25:14 executing program 4: r0 = openat$nvram(0xffffffffffffff9c, &(0x7f0000004200), 0x0, 0x0) ioctl$LOOP_CTL_REMOVE(r0, 0x4c81, 0x2) 07:25:14 executing program 3: io_uring_register$IORING_REGISTER_EVENTFD(0xffffffffffffffff, 0x4, 0x0, 0x1) mmap$IORING_OFF_SQ_RING(&(0x7f0000ffe000/0x1000)=nil, 0x1000, 0x0, 0x10, 0xffffffffffffffff, 0x0) sendmsg$SOCK_DESTROY(0xffffffffffffffff, &(0x7f0000001300)={0x0, 0x0, 0x0}, 0x800) shmget(0x3, 0x2000, 0x0, &(0x7f0000ffe000/0x2000)=nil) mmap$IORING_OFF_CQ_RING(&(0x7f0000ffe000/0x2000)=nil, 0x2000, 0x0, 0x8010, 0xffffffffffffffff, 0x8000000) io_uring_register$IORING_REGISTER_EVENTFD(0xffffffffffffffff, 0x4, &(0x7f0000001440), 0x1) io_uring_setup(0x2609, &(0x7f0000001840)={0x0, 0x0, 0x20, 0x2, 0x2b9}) [ 1227.865039][T31874] ptrace attach of "/root/syz-executor.3"[31873] was attempted by "/root/syz-executor.3"[31874] 07:25:14 executing program 1: r0 = socket$nl_route(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$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0xfc000000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:25:14 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000180)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x2f}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x48}}, 0x0) [ 1228.329797][T31883] batman_adv: Cannot find parent device [ 1228.338469][T31883] device ip6gretap821 entered promiscuous mode 07:25:14 executing program 5: r0 = socket$packet(0x11, 0x2, 0x300) ioctl$ifreq_SIOCGIFINDEX_team(r0, 0x8970, &(0x7f0000000100)) 07:25:15 executing program 3: socket$caif_seqpacket(0x25, 0x3, 0x0) 07:25:15 executing program 4: r0 = socket$packet(0x11, 0x2, 0x300) ioctl$ifreq_SIOCGIFINDEX_team(r0, 0x89a1, 0x0) [ 1228.689494][T31893] batman_adv: Cannot find parent device [ 1228.799527][T31894] batman_adv: Cannot find parent device [ 1228.812422][T31894] batman_adv: batadv0: Adding interface: ip6gretap650 [ 1228.820642][T31894] batman_adv: batadv0: The MTU of interface ip6gretap650 is too small (1434) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 07:25:15 executing program 2: r0 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x600}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) [ 1228.847322][T31894] batman_adv: batadv0: Not using interface ip6gretap650 (retrying later): interface not active 07:25:15 executing program 1: r0 = socket$nl_route(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$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0xfcffffff}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:25:15 executing program 5: syz_mount_image$romfs(0x0, 0x0, 0x0, 0x3, &(0x7f0000001340)=[{&(0x7f0000001180)='4', 0x1}, {&(0x7f00000011c0)='i', 0x1}, {&(0x7f0000001280)="9f", 0x1}], 0x0, 0x0) [ 1229.219282][T31906] batman_adv: Cannot find parent device 07:25:15 executing program 3: r0 = socket$packet(0x11, 0x2, 0x300) ioctl$ifreq_SIOCGIFINDEX_team(r0, 0x40049409, 0x0) 07:25:15 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000180)={'batadv0\x00', 0x0}) r2 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x3a}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x48}}, 0x0) 07:25:16 executing program 4: bpf$PROG_LOAD(0x5, &(0x7f0000000280)={0x5, 0x1, &(0x7f0000000100)=@raw=[@alu], &(0x7f0000000080)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0x0, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0, 0x0, 0xffffffffffffffff}, 0x78) 07:25:16 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x700}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) [ 1229.878002][T31917] batman_adv: Cannot find parent device [ 1229.887875][T31917] device ip6gretap843 entered promiscuous mode [ 1229.950261][T31921] batman_adv: Cannot find parent device [ 1229.963924][T31921] batman_adv: batadv0: Adding interface: ip6gretap651 [ 1229.971115][T31921] batman_adv: batadv0: The MTU of interface ip6gretap651 is too small (1434) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1230.001583][T31921] batman_adv: batadv0: Not using interface ip6gretap651 (retrying later): interface not active 07:25:16 executing program 5: r0 = socket$vsock_stream(0x28, 0x1, 0x0) connect$vsock_stream(r0, &(0x7f0000000000)={0x28, 0x0, 0x0, @local}, 0x10) connect$vsock_stream(r0, &(0x7f0000000100), 0x10) 07:25:16 executing program 3: r0 = socket$packet(0x11, 0x2, 0x300) recvfrom$packet(r0, 0x0, 0x0, 0x0, &(0x7f0000000200)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @dev}, 0x14) [ 1230.154859][T31929] batman_adv: Cannot find parent device [ 1230.164397][T31929] device ip6gretap823 entered promiscuous mode 07:25:16 executing program 1: r0 = socket$nl_route(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$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0xfd000000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:25:16 executing program 4: io_uring_setup(0x273b9, &(0x7f00000000c0)) 07:25:16 executing program 2: r0 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x900}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:25:17 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000180)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x48}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x48}}, 0x0) 07:25:17 executing program 5: r0 = openat$tun(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$TUNGETIFF(r0, 0x800454d2, 0x0) [ 1230.775822][T31941] batman_adv: Cannot find parent device [ 1230.981344][T31947] batman_adv: Cannot find parent device [ 1230.989814][T31947] device ip6gretap824 entered promiscuous mode [ 1231.061342][T31952] batman_adv: Cannot find parent device [ 1231.075352][T31952] batman_adv: batadv0: Adding interface: ip6gretap652 [ 1231.082294][T31952] batman_adv: batadv0: The MTU of interface ip6gretap652 is too small (1434) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1231.109633][T31952] batman_adv: batadv0: Not using interface ip6gretap652 (retrying later): interface not active 07:25:17 executing program 3: r0 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000040)='/proc/vmstat\x00', 0x0, 0x0) read$char_raw(r0, 0x0, 0x85) 07:25:17 executing program 4: syz_mount_image$romfs(0x0, 0x0, 0x0, 0x1, &(0x7f0000001340)=[{&(0x7f00000000c0)="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", 0xf41, 0x7fff}], 0x0, 0x0) 07:25:17 executing program 1: r0 = socket$nl_route(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$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0xfe80ffff}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:25:17 executing program 5: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$team(&(0x7f00000000c0), 0xffffffffffffffff) sendmsg$TEAM_CMD_PORT_LIST_GET(r0, &(0x7f0000001180)={0x0, 0x0, &(0x7f0000001140)={&(0x7f0000000580)=ANY=[@ANYBLOB='X\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="11ce00000000000000000300000008000100a34c887522"], 0x58}}, 0x0) 07:25:17 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x9cf}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:25:18 executing program 3: r0 = socket$vsock_stream(0x28, 0x1, 0x0) sendmsg$RDMA_NLDEV_CMD_RES_CQ_GET(r0, &(0x7f0000000140)={&(0x7f0000000000), 0xc, &(0x7f0000000100)={0x0}}, 0x0) [ 1231.779869][T31965] batman_adv: Cannot find parent device [ 1231.789205][T31965] device ip6gretap845 entered promiscuous mode 07:25:18 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000180)={'batadv0\x00', 0x0}) r2 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x4a}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x48}}, 0x0) [ 1231.909720][T31971] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 1231.928864][T31970] loop4: detected capacity change from 0 to 127 [ 1231.979861][T31974] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 1232.139727][T31978] batman_adv: Cannot find parent device [ 1232.149847][T31978] device ip6gretap825 entered promiscuous mode 07:25:18 executing program 3: openat$hwrng(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0) syz_open_procfs(0x0, &(0x7f0000000040)='fd/3\x00') 07:25:18 executing program 5: io_uring_register$IORING_REGISTER_EVENTFD(0xffffffffffffffff, 0x4, 0x0, 0x1) socket$nl_generic(0x10, 0x3, 0x10) io_uring_register$IORING_REGISTER_FILES(0xffffffffffffffff, 0x2, 0x0, 0x0) openat$bsg(0xffffffffffffff9c, &(0x7f0000001380), 0x8c51eec55391b13e, 0x0) mmap$IORING_OFF_CQ_RING(&(0x7f0000ffe000/0x2000)=nil, 0x2000, 0x0, 0x8010, 0xffffffffffffffff, 0x8000000) io_uring_setup(0x33d5, 0x0) io_uring_register$IORING_REGISTER_EVENTFD(0xffffffffffffffff, 0x4, 0x0, 0x1) io_uring_setup(0x2609, &(0x7f0000001840)={0x0, 0x0, 0x20}) 07:25:18 executing program 1: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$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, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0xfec0ffff}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:25:18 executing program 4: bpf$MAP_CREATE(0x0, &(0x7f0000000140)={0x16, 0x0, 0x4, 0x732b, 0x109}, 0x40) [ 1232.625998][T31987] batman_adv: Cannot find parent device [ 1232.638892][T31987] batman_adv: batadv0: Adding interface: ip6gretap653 [ 1232.649954][T31987] batman_adv: batadv0: The MTU of interface ip6gretap653 is too small (1434) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1232.677868][T31987] batman_adv: batadv0: Not using interface ip6gretap653 (retrying later): interface not active 07:25:19 executing program 2: r0 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0xa00}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:25:19 executing program 3: r0 = socket$nl_generic(0x10, 0x3, 0x10) recvmmsg(r0, &(0x7f0000003500)=[{{0x0, 0x0, 0x0}}], 0x1, 0x2041, 0x0) [ 1232.922057][T31994] batman_adv: Cannot find parent device [ 1232.931205][T31994] device ip6gretap846 entered promiscuous mode 07:25:19 executing program 5: openat$sysfs(0xffffffffffffff9c, 0x0, 0x410004, 0x0) 07:25:19 executing program 4: r0 = socket$vsock_stream(0x28, 0x1, 0x0) sendmsg$RDMA_NLDEV_CMD_RES_CQ_GET(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={0x0}}, 0x0) [ 1233.392522][T32005] batman_adv: Cannot find parent device 07:25:19 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000180)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x4c}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x48}}, 0x0) 07:25:20 executing program 1: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$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, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0xfeff0000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:25:20 executing program 3: syz_mount_image$romfs(0x0, 0x0, 0x0, 0x2, &(0x7f0000001340)=[{&(0x7f00000000c0)="b895", 0x2, 0x7fff}, {&(0x7f00000010c0)="f9", 0x1, 0x7472}], 0x0, 0x0) 07:25:20 executing program 2: r0 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0xb00}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:25:20 executing program 5: syz_io_uring_setup(0x66d6, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x2f1}, &(0x7f0000ffc000/0x1000)=nil, &(0x7f0000ffd000/0x3000)=nil, &(0x7f0000000080), &(0x7f00000000c0)) [ 1234.052394][T32018] batman_adv: Cannot find parent device [ 1234.065907][T32018] batman_adv: batadv0: Adding interface: ip6gretap654 [ 1234.073219][T32018] batman_adv: batadv0: The MTU of interface ip6gretap654 is too small (1434) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1234.103812][T32018] batman_adv: batadv0: Not using interface ip6gretap654 (retrying later): interface not active 07:25:20 executing program 4: openat$vcsu(0xffffffffffffff9c, &(0x7f0000000040), 0x410081, 0x0) [ 1234.147180][T32019] batman_adv: Cannot find parent device [ 1234.263611][T32025] batman_adv: Cannot find parent device [ 1234.272246][T32025] device ip6gretap827 entered promiscuous mode 07:25:20 executing program 3: r0 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(0xffffffffffffffff, 0x8933, &(0x7f0000000700)) r1 = syz_genetlink_get_family_id$team(&(0x7f00000000c0), 0xffffffffffffffff) sendmsg$TEAM_CMD_PORT_LIST_GET(r0, &(0x7f0000001180)={&(0x7f0000000080), 0xc, &(0x7f0000001140)={&(0x7f0000000580)=ANY=[@ANYBLOB='X\x00\x00\x00', @ANYRES16=r1, @ANYBLOB="11ce00000000000000000300000008000100a34c887522cb76d962da7f5f7b8a76ccf8e17b007a38af6ed68da8d6e0ae234d47b4c1f0c8353559e3a7c5069d90c7ff4d353df86422871b8c0226f88ab30a966a5d2878188064554a756aafa3c87f86a4ce41165f092b11c0d642294ab33b2d994ea373dc67b66a070010916ca772c0f8b864106f70ef64d6f694a98904d8e188c1a2dcc6a9c05c58ed886e7db69611d00e23cdf3030dba292efb1c99a43d8d2c61a89a5ab8a0935e11151c79a2c0ef", @ANYRES32=0x0, @ANYBLOB="3c00028038000100240001006c625f"], 0x58}}, 0x0) ioctl$sock_ipv6_tunnel_SIOCCHG6RD(0xffffffffffffffff, 0x89fb, &(0x7f00000000c0)={'syztnl2\x00', &(0x7f0000000040)={'syztnl2\x00', 0x0, 0x4, 0x1, 0x5, 0x10001, 0x2c, @dev, @remote, 0x0, 0x0, 0x5, 0x90}}) ioctl$ifreq_SIOCGIFINDEX_team(0xffffffffffffffff, 0x8933, &(0x7f0000000100)) getsockname$packet(0xffffffffffffffff, &(0x7f0000000140), &(0x7f0000000180)=0x14) ioctl$sock_ipv6_tunnel_SIOCADDTUNNEL(0xffffffffffffffff, 0x89f1, &(0x7f00000002c0)={'syztnl2\x00', &(0x7f0000000240)={'ip6gre0\x00', 0x0, 0x29, 0x0, 0x0, 0x0, 0x0, @mcast2, @ipv4={'\x00', '\xff\xff', @multicast1}, 0x0, 0x80, 0x2, 0x6}}) ioctl$ifreq_SIOCGIFINDEX_team(0xffffffffffffffff, 0x8933, &(0x7f0000000300)) 07:25:20 executing program 1: r0 = socket$nl_route(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$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0xfeffffff}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:25:21 executing program 2: r0 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0xc00}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:25:21 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000180)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x60}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x48}}, 0x0) 07:25:21 executing program 5: mmap$IORING_OFF_CQ_RING(&(0x7f0000ffe000/0x2000)=nil, 0x2000, 0x0, 0x10, 0xffffffffffffffff, 0x8000000) [ 1234.773055][T32037] netlink: 60 bytes leftover after parsing attributes in process `syz-executor.3'. [ 1234.916382][T32041] batman_adv: Cannot find parent device [ 1234.926274][T32041] device ip6gretap848 entered promiscuous mode 07:25:21 executing program 4: r0 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000040)='/proc/sysvipc/shm\x00', 0x0, 0x0) read$char_raw(r0, 0x0, 0x85) read$char_raw(r0, &(0x7f0000000200)={""/6922}, 0x1c00) 07:25:21 executing program 3: syz_open_procfs(0x0, &(0x7f0000000000)='attr/current\x00') [ 1235.164905][T32047] batman_adv: Cannot find parent device [ 1235.178633][T32047] batman_adv: batadv0: Adding interface: ip6gretap655 [ 1235.185733][T32047] batman_adv: batadv0: The MTU of interface ip6gretap655 is too small (1434) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1235.214749][T32047] batman_adv: batadv0: Not using interface ip6gretap655 (retrying later): interface not active [ 1235.280969][T32048] batman_adv: Cannot find parent device 07:25:22 executing program 1: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$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, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0xff000000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:25:22 executing program 5: r0 = socket$nl_rdma(0x10, 0x3, 0x14) getsockname(r0, 0x0, &(0x7f00000000c0)) 07:25:22 executing program 2: r0 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0xd00}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:25:22 executing program 4: r0 = openat$sysfs(0xffffffffffffff9c, &(0x7f0000001800)='/sys/power/mem_sleep', 0x0, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x5451, 0x0) 07:25:22 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000180)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x68}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x48}}, 0x0) 07:25:22 executing program 3: r0 = socket$nl_sock_diag(0x10, 0x3, 0x4) sendmsg$DCCPDIAG_GETSOCK(r0, &(0x7f0000005740)={0x0, 0x0, &(0x7f0000005700)={0x0}}, 0x0) [ 1236.000816][T32067] batman_adv: Cannot find parent device [ 1236.133734][T32071] batman_adv: Cannot find parent device [ 1236.141777][T32071] device ip6gretap829 entered promiscuous mode 07:25:22 executing program 5: r0 = fork() sched_rr_get_interval(0x0, &(0x7f0000000000)) syz_genetlink_get_family_id$nl802154(0x0, 0xffffffffffffffff) sendmsg$NL802154_CMD_GET_INTERFACE(0xffffffffffffffff, &(0x7f0000000180)={&(0x7f0000000040), 0xc, &(0x7f0000000140)={0x0, 0x58}}, 0x0) tkill(r0, 0x10000018) syz_genetlink_get_family_id$ipvs(0x0, 0xffffffffffffffff) syz_genetlink_get_family_id$ipvs(0x0, 0xffffffffffffffff) sync() 07:25:22 executing program 1: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$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, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0xff0f0000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) [ 1236.469589][T32079] batman_adv: Cannot find parent device [ 1236.482685][T32079] batman_adv: batadv0: Adding interface: ip6gretap656 [ 1236.490204][T32079] batman_adv: batadv0: The MTU of interface ip6gretap656 is too small (1434) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1236.517259][T32079] batman_adv: batadv0: Not using interface ip6gretap656 (retrying later): interface not active 07:25:23 executing program 3: r0 = socket$inet_icmp_raw(0x2, 0x3, 0x1) accept4(r0, 0x0, 0x0, 0x0) 07:25:23 executing program 2: r0 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0xe00}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:25:23 executing program 4: r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x5, 0x0) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000140)={'sit0\x00'}) [ 1236.980568][T32088] batman_adv: Cannot find parent device 07:25:23 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000180)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x6a}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x48}}, 0x0) [ 1237.298197][T32097] batman_adv: Cannot find parent device 07:25:24 executing program 1: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$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, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0xff7f0000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:25:24 executing program 3: r0 = socket$vsock_stream(0x28, 0x1, 0x0) connect$vsock_stream(r0, &(0x7f0000000080)={0x28, 0x0, 0x0, @hyper}, 0x10) 07:25:24 executing program 4: openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000180), 0x90000, 0x0) 07:25:24 executing program 5: pipe2$9p(&(0x7f0000000600)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RXATTRWALK(r0, 0x0, 0x0) [ 1237.689305][T32107] batman_adv: Cannot find parent device [ 1237.702553][T32107] batman_adv: batadv0: Adding interface: ip6gretap657 [ 1237.710367][T32107] batman_adv: batadv0: The MTU of interface ip6gretap657 is too small (1434) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 07:25:24 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0xf00}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) [ 1237.737968][T32107] batman_adv: batadv0: Not using interface ip6gretap657 (retrying later): interface not active [ 1237.944969][T32113] batman_adv: Cannot find parent device [ 1238.319064][T32125] batman_adv: Cannot find parent device [ 1238.329463][T32125] device ip6gretap831 entered promiscuous mode 07:25:24 executing program 1: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$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, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0xffff0000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:25:24 executing program 5: r0 = io_uring_setup(0x7339, &(0x7f00000000c0)) io_uring_register$IORING_UNREGISTER_BUFFERS(r0, 0x1, 0x0, 0x0) 07:25:24 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000180)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x6c}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x48}}, 0x0) 07:25:24 executing program 4: r0 = io_uring_setup(0x33d5, &(0x7f00000013c0)) io_uring_register$IORING_REGISTER_EVENTFD(r0, 0x4, 0x0, 0x1) 07:25:24 executing program 3: r0 = socket(0xa, 0x3, 0x8) getsockopt$inet_IP_IPSEC_POLICY(r0, 0x0, 0x10, 0x0, 0x0) [ 1238.797811][T32133] batman_adv: Cannot find parent device [ 1238.812343][T32133] batman_adv: batadv0: Adding interface: ip6gretap658 [ 1238.819814][T32133] batman_adv: batadv0: The MTU of interface ip6gretap658 is too small (1434) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1238.846386][T32133] batman_adv: batadv0: Not using interface ip6gretap658 (retrying later): interface not active [ 1238.894675][T32135] batman_adv: Cannot find parent device 07:25:25 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x1100}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:25:25 executing program 5: bpf$MAP_CREATE(0x0, &(0x7f0000000000)={0xa, 0x401, 0x3, 0xffffffff}, 0x40) 07:25:25 executing program 3: r0 = socket(0xa, 0x3, 0x8) syz_genetlink_get_family_id$nl80211(&(0x7f0000000040), r0) 07:25:25 executing program 4: r0 = socket(0x2, 0x1, 0x0) ioctl$sock_ipv4_tunnel_SIOCDELTUNNEL(r0, 0x891d, &(0x7f0000000200)={'erspan0\x00', 0x0}) 07:25:25 executing program 1: r0 = socket$nl_route(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$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0xffff0300}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) [ 1239.566095][T32151] batman_adv: Cannot find parent device [ 1239.574625][T32151] device ip6gretap832 entered promiscuous mode 07:25:26 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000180)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x74}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x48}}, 0x0) 07:25:26 executing program 3: r0 = openat(0xffffffffffffffff, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) r1 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_msfilter(r1, 0x0, 0x29, &(0x7f0000000080)=ANY=[], 0x18) 07:25:26 executing program 4: r0 = socket(0xa, 0x3, 0x3a) ioctl$sock_inet6_udp_SIOCOUTQ(r0, 0x4004700e, 0x0) [ 1239.923282][T32162] batman_adv: Cannot find parent device [ 1239.931456][T32162] device ip6gretap853 entered promiscuous mode 07:25:26 executing program 2: r0 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x1200}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:25:26 executing program 5: r0 = socket(0xa, 0x3, 0x3a) ioctl$sock_inet6_udp_SIOCOUTQ(r0, 0x40087447, 0x0) [ 1240.246904][T32167] batman_adv: Cannot find parent device [ 1240.259934][T32167] batman_adv: batadv0: Adding interface: ip6gretap659 [ 1240.267127][T32167] batman_adv: batadv0: The MTU of interface ip6gretap659 is too small (1434) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1240.293659][T32167] batman_adv: batadv0: Not using interface ip6gretap659 (retrying later): interface not active 07:25:26 executing program 1: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$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, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0xffff80fe}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) [ 1240.548272][T32176] batman_adv: Cannot find parent device 07:25:27 executing program 4: r0 = socket$inet6_udplite(0xa, 0x2, 0x88) sendmsg$inet6(r0, &(0x7f0000000840)={&(0x7f0000000000)={0xa, 0x4e25, 0x0, @mcast2}, 0x1c, &(0x7f00000009c0)=[{0x0}, {0x0, 0x3a}, {&(0x7f00000006c0)="e0", 0x1}], 0x3}, 0x0) 07:25:27 executing program 3: r0 = socket(0x2, 0x1, 0x0) ioctl$sock_ipv4_tunnel_SIOCDELTUNNEL(r0, 0x8970, &(0x7f0000000200)={'erspan0\x00', 0x0}) [ 1240.801423][T32182] batman_adv: Cannot find parent device 07:25:27 executing program 5: r0 = socket(0x2, 0x1, 0x0) ioctl$sock_ipv4_tunnel_SIOCDELTUNNEL(r0, 0x894a, &(0x7f0000000200)={'erspan0\x00', 0x0}) 07:25:27 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x2000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:25:27 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000180)={'batadv0\x00', 0x0}) r2 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x7a}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x48}}, 0x0) 07:25:27 executing program 1: r0 = socket$nl_route(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$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0xffffa888}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:25:28 executing program 3: r0 = socket(0x2, 0x1, 0x0) ioctl$sock_ipv4_tunnel_SIOCDELTUNNEL(r0, 0x8953, 0x0) 07:25:28 executing program 4: r0 = socket(0xa, 0x3, 0x3a) ioctl$sock_inet6_udp_SIOCOUTQ(r0, 0x2, &(0x7f0000000000)) [ 1241.641488][T32200] batman_adv: Cannot find parent device [ 1241.655196][T32200] batman_adv: batadv0: Adding interface: ip6gretap660 [ 1241.666086][T32200] batman_adv: batadv0: The MTU of interface ip6gretap660 is too small (1434) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1241.693726][T32200] batman_adv: batadv0: Not using interface ip6gretap660 (retrying later): interface not active [ 1241.736956][T32201] batman_adv: Cannot find parent device 07:25:28 executing program 5: r0 = socket(0xa, 0x3, 0x3a) ioctl$sock_inet6_udp_SIOCOUTQ(r0, 0x4b2f, 0x0) [ 1241.841737][T32202] batman_adv: Cannot find parent device 07:25:28 executing program 1: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$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, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0xffffc0fe}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:25:28 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x2201}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:25:28 executing program 3: r0 = socket(0x2, 0x3, 0x6) connect$vsock_stream(r0, 0x0, 0x7) 07:25:28 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000180)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0xfc}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x48}}, 0x0) 07:25:29 executing program 5: r0 = syz_io_uring_setup(0x4694, &(0x7f0000000080), &(0x7f0000ffb000/0x3000)=nil, &(0x7f0000ffe000/0x2000)=nil, &(0x7f0000000100), &(0x7f0000000140)) mmap$IORING_OFF_SQ_RING(&(0x7f0000ffd000/0x2000)=nil, 0x2000, 0x0, 0x11, r0, 0x0) 07:25:29 executing program 4: r0 = mq_open(&(0x7f000084dff0)='!selinuxselinux\x00', 0x0, 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x2800004, 0x12, r1, 0x0) preadv(r0, &(0x7f0000000180)=[{0x0}], 0x1, 0x0, 0x0) [ 1242.530028][T32220] batman_adv: Cannot find parent device [ 1242.655667][T32225] batman_adv: Cannot find parent device 07:25:29 executing program 3: r0 = bpf$PROG_LOAD(0x5, &(0x7f0000000180)={0x6, 0x4, &(0x7f0000000200)=ANY=[@ANYBLOB="1802000000000004000000000000000085000000360000009500000000000000"], &(0x7f00000000c0)='GPL\x00', 0x4, 0x1000, &(0x7f000062b000)=""/4096, 0x0, 0x0, '\x00', 0x0, 0x0, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0}, 0x70) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000b40)={r0, 0x1800000000000060, 0x0, 0x0, 0x0, 0x0, 0x0, 0xf2ffffff, 0x0, 0x0, 0x0, 0x0}, 0x48) [ 1242.874175][T32231] batman_adv: Cannot find parent device [ 1242.889475][T32231] batman_adv: batadv0: Adding interface: ip6gretap661 [ 1242.896758][T32231] batman_adv: batadv0: The MTU of interface ip6gretap661 is too small (1434) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1242.923419][T32231] batman_adv: batadv0: Not using interface ip6gretap661 (retrying later): interface not active 07:25:29 executing program 1: r0 = socket$nl_route(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$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0xffffe000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:25:29 executing program 2: r0 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x2500}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:25:29 executing program 5: munmap(&(0x7f0000ffb000/0x4000)=nil, 0x4000) r0 = socket(0xa, 0x3, 0x3a) ioctl$sock_inet6_udp_SIOCOUTQ(r0, 0x5411, &(0x7f0000000000)) 07:25:29 executing program 4: r0 = openat$ttyS3(0xffffff9c, &(0x7f0000000240), 0x0, 0x0) ioctl$TIOCGSERIAL(r0, 0x541e, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) [ 1243.572552][T32248] batman_adv: Cannot find parent device 07:25:30 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000180)={'batadv0\x00', 0x0}) r2 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0xfe}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x48}}, 0x0) [ 1243.694251][T32252] batman_adv: Cannot find parent device [ 1243.702675][T32252] device ip6gretap836 entered promiscuous mode 07:25:30 executing program 3: r0 = openat$zero(0xffffff9c, &(0x7f0000000000), 0x0, 0x0) mmap$IORING_OFF_SQES(&(0x7f0000ffc000/0x1000)=nil, 0xdf002000, 0x0, 0x400a012, r0, 0x10000000) 07:25:30 executing program 1: r0 = socket$nl_route(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$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0xffffff7f}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) [ 1244.166055][T32265] batman_adv: Cannot find parent device [ 1244.179674][T32265] batman_adv: batadv0: Adding interface: ip6gretap662 [ 1244.186932][T32265] batman_adv: batadv0: The MTU of interface ip6gretap662 is too small (1434) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1244.214199][T32265] batman_adv: batadv0: Not using interface ip6gretap662 (retrying later): interface not active 07:25:30 executing program 5: r0 = socket(0x2, 0x1, 0x0) ioctl$sock_ipv4_tunnel_SIOCDELTUNNEL(r0, 0x80108906, 0x0) 07:25:30 executing program 4: r0 = openat$zero(0xffffff9c, &(0x7f0000000000), 0x0, 0x0) mmap$IORING_OFF_CQ_RING(&(0x7f0000ffc000/0x3000)=nil, 0x3000, 0x0, 0x1a7811, r0, 0x8000000) munlock(&(0x7f0000ffd000/0x3000)=nil, 0x3000) 07:25:30 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x2f00}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) [ 1244.517532][T32272] batman_adv: Cannot find parent device [ 1244.527302][T32272] device ip6gretap858 entered promiscuous mode 07:25:31 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000180)={'batadv0\x00', 0x0}) r2 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x48}}, 0x0) 07:25:31 executing program 3: r0 = socket(0xa, 0x3, 0x3a) ioctl$sock_inet6_udp_SIOCOUTQ(r0, 0x400c744d, 0x0) 07:25:31 executing program 5: r0 = openat(0xffffffffffffffff, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x3800004, 0x12, r0, 0x0) preadv(r0, &(0x7f00000001c0)=[{0x0}], 0x1, 0x9, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) syz_genetlink_get_family_id$nl80211(&(0x7f0000000000), r0) openat$vsock(0xffffff9c, &(0x7f0000000040), 0x202, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000240)='./file0\x00', 0x0) epoll_create(0x0) epoll_create(0x0) perf_event_open(&(0x7f000025c000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) mount(0x0, &(0x7f0000000100)='./file0\x00', &(0x7f0000000040)='cgroup2\x00', 0x0, 0x0) chdir(&(0x7f00000001c0)='./file0\x00') r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setreuid(0x0, r2) mount$fuse(0x0, &(0x7f0000000080)='./file1/file0\x00', &(0x7f0000000340), 0x40, &(0x7f0000000700)=ANY=[@ANYBLOB='fd=', @ANYRESHEX, @ANYBLOB=',rootmode=00000000000000000060000,user_id=', @ANYRESDEC=r2, @ANYBLOB='Ygsoup_id=', @ANYRESDEC=0x0, @ANYRESHEX]) mkdir(&(0x7f0000000300)='./file0\x00', 0xa1) open(0x0, 0x1e1f00, 0x0) bpf$BPF_RAW_TRACEPOINT_OPEN_UNNAMED(0x11, &(0x7f0000000280), 0x10) 07:25:31 executing program 1: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$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, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0xffffff81}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) [ 1245.086368][T32284] batman_adv: Cannot find parent device [ 1245.094881][T32284] device ip6gretap837 entered promiscuous mode 07:25:31 executing program 4: syz_mount_image$vfat(0x0, &(0x7f0000000080)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) setxattr$trusted_overlay_upper(&(0x7f0000000000)='./file0\x00', &(0x7f00000000c0), &(0x7f00000002c0)=ANY=[], 0x4e, 0x0) listxattr(&(0x7f0000000300)='./file0\x00', &(0x7f0000000340)=""/7, 0x7) [ 1245.353132][T32290] batman_adv: Cannot find parent device [ 1245.366631][T32290] batman_adv: batadv0: Adding interface: ip6gretap663 [ 1245.373729][T32290] batman_adv: batadv0: The MTU of interface ip6gretap663 is too small (1434) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 07:25:31 executing program 3: bpf$MAP_CREATE(0x0, &(0x7f0000000000)={0x1, 0x10401, 0xf, 0x84, 0x5, 0xffffffffffffffff, 0x0, '\x00', 0x0, 0xffffffffffffffff, 0x0, 0x2}, 0x40) [ 1245.400543][T32290] batman_adv: batadv0: Not using interface ip6gretap663 (retrying later): interface not active 07:25:32 executing program 2: r0 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x3401}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) [ 1245.538572][T32297] batman_adv: Cannot find parent device [ 1245.549042][T32297] device ip6gretap859 entered promiscuous mode 07:25:32 executing program 5: r0 = openat(0xffffffffffffffff, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x3800004, 0x12, r0, 0x0) preadv(r0, &(0x7f00000001c0)=[{0x0}], 0x1, 0x9, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) syz_genetlink_get_family_id$nl80211(&(0x7f0000000000), r0) openat$vsock(0xffffff9c, &(0x7f0000000040), 0x202, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000240)='./file0\x00', 0x0) epoll_create(0x0) epoll_create(0x0) perf_event_open(&(0x7f000025c000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) mount(0x0, &(0x7f0000000100)='./file0\x00', &(0x7f0000000040)='cgroup2\x00', 0x0, 0x0) chdir(&(0x7f00000001c0)='./file0\x00') r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setreuid(0x0, r2) mount$fuse(0x0, &(0x7f0000000080)='./file1/file0\x00', &(0x7f0000000340), 0x40, &(0x7f0000000700)=ANY=[@ANYBLOB='fd=', @ANYRESHEX, @ANYBLOB=',rootmode=00000000000000000060000,user_id=', @ANYRESDEC=r2, @ANYBLOB='Ygsoup_id=', @ANYRESDEC=0x0, @ANYRESHEX]) mkdir(&(0x7f0000000300)='./file0\x00', 0xa1) open(0x0, 0x1e1f00, 0x0) bpf$BPF_RAW_TRACEPOINT_OPEN_UNNAMED(0x11, &(0x7f0000000280), 0x10) 07:25:32 executing program 4: r0 = socket(0x2, 0x1, 0x0) ioctl$sock_ipv4_tunnel_SIOCDELTUNNEL(r0, 0x5452, &(0x7f0000000200)={'erspan0\x00', 0x0}) [ 1246.095727][T32309] batman_adv: Cannot find parent device 07:25:32 executing program 1: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$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, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0xffffff9e}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:25:32 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000180)={'batadv0\x00', 0x0}) r2 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x2}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x48}}, 0x0) 07:25:32 executing program 3: r0 = socket(0x2, 0x1, 0x0) ioctl$sock_ipv4_tunnel_SIOCDELTUNNEL(r0, 0x8913, &(0x7f0000000200)={'erspan0\x00', 0x0}) 07:25:32 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x3a00}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) [ 1246.763820][T32320] batman_adv: Cannot find parent device [ 1246.772087][T32320] device ip6gretap860 entered promiscuous mode [ 1246.812265][T32322] batman_adv: Cannot find parent device [ 1246.828184][T32322] batman_adv: batadv0: Adding interface: ip6gretap664 [ 1246.835341][T32322] batman_adv: batadv0: The MTU of interface ip6gretap664 is too small (1434) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1246.862249][T32322] batman_adv: batadv0: Not using interface ip6gretap664 (retrying later): interface not active 07:25:33 executing program 5: r0 = openat(0xffffffffffffffff, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x3800004, 0x12, r0, 0x0) preadv(r0, &(0x7f00000001c0)=[{0x0}], 0x1, 0x9, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) syz_genetlink_get_family_id$nl80211(&(0x7f0000000000), r0) openat$vsock(0xffffff9c, &(0x7f0000000040), 0x202, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000240)='./file0\x00', 0x0) epoll_create(0x0) epoll_create(0x0) perf_event_open(&(0x7f000025c000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) mount(0x0, &(0x7f0000000100)='./file0\x00', &(0x7f0000000040)='cgroup2\x00', 0x0, 0x0) chdir(&(0x7f00000001c0)='./file0\x00') r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setreuid(0x0, r2) mount$fuse(0x0, &(0x7f0000000080)='./file1/file0\x00', &(0x7f0000000340), 0x40, &(0x7f0000000700)=ANY=[@ANYBLOB='fd=', @ANYRESHEX, @ANYBLOB=',rootmode=00000000000000000060000,user_id=', @ANYRESDEC=r2, @ANYBLOB='Ygsoup_id=', @ANYRESDEC=0x0, @ANYRESHEX]) mkdir(&(0x7f0000000300)='./file0\x00', 0xa1) open(0x0, 0x1e1f00, 0x0) bpf$BPF_RAW_TRACEPOINT_OPEN_UNNAMED(0x11, &(0x7f0000000280), 0x10) 07:25:33 executing program 4: r0 = socket(0xa, 0x3, 0xb5) sendmsg$BATADV_CMD_GET_HARDIF(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={0x0}}, 0xf0ff7f) [ 1247.129225][ T3129] ieee802154 phy0 wpan0: encryption failed: -22 [ 1247.136218][ T3129] ieee802154 phy1 wpan1: encryption failed: -22 07:25:33 executing program 1: r0 = socket$nl_route(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$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0xffffffc3}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) [ 1247.232424][T32331] batman_adv: Cannot find parent device 07:25:33 executing program 3: r0 = socket(0x11, 0x3, 0x0) ioctl$sock_inet6_udp_SIOCOUTQ(r0, 0x5411, &(0x7f0000000000)) 07:25:33 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000180)={'batadv0\x00', 0x0}) r2 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x3}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x48}}, 0x0) [ 1247.688815][T32342] batman_adv: Cannot find parent device [ 1247.699305][T32342] device ip6gretap861 entered promiscuous mode 07:25:34 executing program 2: r0 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x3f00}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:25:34 executing program 4: r0 = socket(0x2, 0x3, 0x6) connect$vsock_stream(r0, &(0x7f0000000100)={0x28, 0x0, 0x0, @my=0x0}, 0x10) 07:25:34 executing program 5: r0 = openat(0xffffffffffffffff, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x3800004, 0x12, r0, 0x0) preadv(r0, &(0x7f00000001c0)=[{0x0}], 0x1, 0x9, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r0, 0x0) syz_genetlink_get_family_id$nl80211(&(0x7f0000000000), r0) openat$vsock(0xffffff9c, &(0x7f0000000040), 0x202, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000240)='./file0\x00', 0x0) epoll_create(0x0) epoll_create(0x0) perf_event_open(&(0x7f000025c000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) mount(0x0, &(0x7f0000000100)='./file0\x00', &(0x7f0000000040)='cgroup2\x00', 0x0, 0x0) chdir(&(0x7f00000001c0)='./file0\x00') r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setreuid(0x0, r2) mount$fuse(0x0, &(0x7f0000000080)='./file1/file0\x00', &(0x7f0000000340), 0x40, &(0x7f0000000700)=ANY=[@ANYBLOB='fd=', @ANYRESHEX, @ANYBLOB=',rootmode=00000000000000000060000,user_id=', @ANYRESDEC=r2, @ANYBLOB='Ygsoup_id=', @ANYRESDEC=0x0, @ANYRESHEX]) mkdir(&(0x7f0000000300)='./file0\x00', 0xa1) open(0x0, 0x1e1f00, 0x0) bpf$BPF_RAW_TRACEPOINT_OPEN_UNNAMED(0x11, &(0x7f0000000280), 0x10) 07:25:34 executing program 3: r0 = open(&(0x7f0000000040)='./file0\x00', 0xc68c2, 0x0) r1 = open$dir(&(0x7f0000000080)='./file0\x00', 0x0, 0x0) preadv(0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0) write(r0, &(0x7f0000001400)="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"/3584, 0xe00) ioprio_set$pid(0x1, 0x0, 0x6000) sendfile(r0, r1, 0x0, 0x11f06) [ 1248.131855][T32347] batman_adv: Cannot find parent device [ 1248.145809][T32347] batman_adv: batadv0: Adding interface: ip6gretap665 [ 1248.153184][T32347] batman_adv: batadv0: The MTU of interface ip6gretap665 is too small (1434) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1248.180030][T32347] batman_adv: batadv0: Not using interface ip6gretap665 (retrying later): interface not active 07:25:34 executing program 1: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$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, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0xffffffe0}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) [ 1248.289916][T32354] batman_adv: Cannot find parent device [ 1248.298309][T32354] device ip6gretap840 entered promiscuous mode 07:25:35 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000180)={'batadv0\x00', 0x0}) r2 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x4}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x48}}, 0x0) 07:25:35 executing program 2: r0 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x4000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) [ 1248.676507][ T34] audit: type=1800 audit(1625037935.153:44): pid=32364 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="syz-executor.3" name="file0" dev="sda1" ino=13943 res=0 errno=0 07:25:35 executing program 4: r0 = socket(0x2, 0x1, 0x0) ioctl$sock_ipv4_tunnel_SIOCDELTUNNEL(r0, 0x8904, &(0x7f0000000200)={'erspan0\x00', 0x0}) [ 1248.817948][T32367] batman_adv: Cannot find parent device [ 1248.826701][T32367] device ip6gretap862 entered promiscuous mode 07:25:35 executing program 5: r0 = socket(0xa, 0x3, 0x3a) ioctl$sock_inet6_udp_SIOCOUTQ(r0, 0x402c5828, &(0x7f0000000000)) [ 1248.858302][ T34] audit: type=1804 audit(1625037935.193:45): pid=32366 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.3" name="/root/syzkaller-testdir256917244/syzkaller.Luzffq/1014/file0" dev="sda1" ino=13943 res=1 errno=0 [ 1249.077943][ T34] audit: type=1800 audit(1625037935.503:46): pid=32364 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed comm="syz-executor.3" name="file0" dev="sda1" ino=13943 res=0 errno=0 [ 1249.207659][T32373] batman_adv: Cannot find parent device [ 1249.221312][T32373] batman_adv: batadv0: Adding interface: ip6gretap666 [ 1249.228700][T32373] batman_adv: batadv0: The MTU of interface ip6gretap666 is too small (1434) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1249.258850][T32373] batman_adv: batadv0: Not using interface ip6gretap666 (retrying later): interface not active [ 1249.396988][T32378] batman_adv: Cannot find parent device 07:25:35 executing program 3: r0 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$sock_SIOCADDRT(r0, 0x890b, &(0x7f0000000040)={0x0, @hci, @xdp, @generic={0x0, "8c7024fe8543192a47e77e242c4a"}}) 07:25:35 executing program 1: r0 = socket$nl_route(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$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0xfffffff0}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:25:36 executing program 5: r0 = socket(0x2, 0x1, 0x0) ioctl$sock_ipv4_tunnel_SIOCDELTUNNEL(r0, 0x8942, &(0x7f0000000200)={'erspan0\x00', 0x0}) 07:25:36 executing program 4: r0 = socket(0xa, 0x3, 0x3a) ioctl$sock_inet6_udp_SIOCOUTQ(r0, 0xc0189436, &(0x7f0000000000)) 07:25:36 executing program 2: r0 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x4788}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) [ 1250.024055][T32391] batman_adv: Cannot find parent device [ 1250.032269][T32391] device ip6gretap863 entered promiscuous mode 07:25:36 executing program 3: r0 = syz_open_dev$tty20(0xc, 0x4, 0x1) ioctl$KDSKBENT(r0, 0x4b47, &(0x7f0000000000)={0x0, 0x0, 0x3ff}) 07:25:36 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000180)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x5}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x48}}, 0x0) [ 1250.370267][T32398] batman_adv: Cannot find parent device [ 1250.378915][T32398] device ip6gretap842 entered promiscuous mode 07:25:36 executing program 5: perf_event_open(&(0x7f0000000180)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) openat(0xffffffffffffff9c, 0x0, 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x0, 0x12, 0xffffffffffffffff, 0x0) write(0xffffffffffffffff, &(0x7f0000001b00)="8ea8b7370ca7326818b249a893fc1a3ee677aa65f833cec7ac84a4e61b77f4509b48c18b3243a5fac6ef91f365eb2a013987912377d07e4c7583180e5956d2e487bea84c38b859fd669547cbb7ea7231e3e613b724bdcee011615aaff361aaf38d37a5fb38968bf75d3e928c611e8100b18acc4004148a085675708f330a184b50d08a78a4d24dbd8a6909", 0x8b) mq_timedsend(0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0) mq_timedreceive(0xffffffffffffffff, &(0x7f0000000180)=""/204, 0xcc, 0x0, 0x0) r0 = socket$netlink(0x10, 0x3, 0x0) mq_timedreceive(0xffffffffffffffff, &(0x7f0000001900)=""/217, 0xd9, 0x101, 0x0) sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000400)={&(0x7f00000006c0)=ANY=[@ANYBLOB="5000000010000507000000000000000002000000", @ANYRES32=0x0, @ANYBLOB="00000000000000001c0012800c0001006d6163766c616e000c00028008000100100000000a000500040000000000000008000a00", @ANYRES32, @ANYBLOB="81ef1e11f4746bfc27c90920a5dffba55fae41dd01a09d8eabced9f0c2e49148cd9ba073823b51c54727ff8d8b9efb8823fc726a12750f01039ca034404bca9e423e7cff8e88994624de9f0727939c3d8b0fad17ce234a9cb920276363ca0506000000000000002f3ca7d517c5b68a57c2be2ca2104915ceaea926d2ee9d54f48f5c7091b9f9c401c2b1ef9fb78e6f89aed56f1e0adc139e7350699343eb82ab"], 0x50}}, 0x0) 07:25:37 executing program 4: r0 = socket(0x2, 0x1, 0x0) ioctl$sock_ipv4_tunnel_SIOCDELTUNNEL(r0, 0xc0045878, 0x0) 07:25:37 executing program 1: r0 = socket$nl_route(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$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0xfffffffc}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:25:37 executing program 2: r0 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x4800}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) [ 1250.787604][T32406] batman_adv: Cannot find parent device [ 1250.801046][T32406] batman_adv: batadv0: Adding interface: ip6gretap667 [ 1250.808848][T32406] batman_adv: batadv0: The MTU of interface ip6gretap667 is too small (1434) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1250.835819][T32406] batman_adv: batadv0: Not using interface ip6gretap667 (retrying later): interface not active 07:25:37 executing program 3: r0 = socket(0x2, 0x1, 0x0) ioctl$sock_ipv4_tunnel_SIOCDELTUNNEL(r0, 0x8943, &(0x7f0000000200)={'erspan0\x00', 0x0}) [ 1251.027851][T32414] netlink: 'syz-executor.5': attribute type 5 has an invalid length. 07:25:37 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000180)={'batadv0\x00', 0x0}) r2 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x6}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x48}}, 0x0) [ 1251.324908][T32420] batman_adv: Cannot find parent device [ 1251.364198][T32419] batman_adv: Cannot find parent device [ 1251.372511][T32419] device ip6gretap864 entered promiscuous mode [ 1251.412697][T32428] netlink: 'syz-executor.5': attribute type 5 has an invalid length. 07:25:37 executing program 4: r0 = mq_open(&(0x7f000084dff0)='!selinuxselinux\x00', 0x0, 0x0, 0x0) mq_timedreceive(r0, &(0x7f0000000000)=""/45, 0x2d, 0x0, &(0x7f0000000080)) [ 1251.789250][T32440] batman_adv: Cannot find parent device [ 1251.806867][T32440] batman_adv: batadv0: Adding interface: ip6gretap668 [ 1251.814287][T32440] batman_adv: batadv0: The MTU of interface ip6gretap668 is too small (1434) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1251.841891][T32440] batman_adv: batadv0: Not using interface ip6gretap668 (retrying later): interface not active 07:25:38 executing program 2: r0 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x4888}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:25:38 executing program 5: r0 = openat$zero(0xffffff9c, &(0x7f0000000000), 0x9902, 0x0) mmap$IORING_OFF_CQ_RING(&(0x7f0000ffe000/0x2000)=nil, 0x2000, 0x2, 0x1a7811, r0, 0x8000000) 07:25:38 executing program 3: r0 = socket(0x2, 0xa, 0x0) ioctl$sock_ipv4_tunnel_SIOCDELTUNNEL(r0, 0x541b, 0x0) 07:25:38 executing program 1: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$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, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0xfffffffe}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:25:38 executing program 4: r0 = socket$nl_audit(0x10, 0x3, 0x9) sendmsg$AUDIT_LIST_RULES(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000040)={0x10}, 0x10}}, 0x0) pselect6(0x8, &(0x7f0000000300), 0x0, &(0x7f0000000380)={0x9}, &(0x7f00000003c0)={0x0, 0x3938700}, 0x0) [ 1252.390222][T32449] batman_adv: Cannot find parent device [ 1252.519590][T32456] batman_adv: Cannot find parent device [ 1252.527844][T32456] device ip6gretap865 entered promiscuous mode 07:25:39 executing program 5: r0 = socket(0xa, 0x3, 0xb5) setsockopt$packet_buf(r0, 0x29, 0x24, 0x0, 0x0) 07:25:39 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000180)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x7}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x48}}, 0x0) 07:25:39 executing program 3: getresuid(&(0x7f0000000100), 0x0, 0x0) mremap(&(0x7f0000ffd000/0x3000)=nil, 0x3000, 0x3000, 0x7, &(0x7f0000ff9000/0x3000)=nil) 07:25:39 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x4a00}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:25:39 executing program 1: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$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, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) [ 1253.240208][T32469] batman_adv: Cannot find parent device [ 1253.253780][T32469] batman_adv: batadv0: Adding interface: ip6gretap669 [ 1253.260841][T32469] batman_adv: batadv0: The MTU of interface ip6gretap669 is too small (1434) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 07:25:39 executing program 5: r0 = socket(0xa, 0x3, 0x3a) ioctl$sock_inet6_udp_SIOCOUTQ(r0, 0x8904, &(0x7f0000000000)) [ 1253.287596][T32469] batman_adv: batadv0: Not using interface ip6gretap669 (retrying later): interface not active 07:25:39 executing program 4: r0 = openat$zero(0xffffff9c, &(0x7f0000000000), 0x0, 0x0) mmap$IORING_OFF_SQES(&(0x7f0000ffc000/0x1000)=nil, 0x1000, 0x2000002, 0x400a012, r0, 0x10000000) [ 1253.410061][T32474] batman_adv: Cannot find parent device 07:25:39 executing program 3: r0 = socket(0x2, 0x1, 0x0) ioctl$sock_ipv4_tunnel_SIOCDELTUNNEL(r0, 0x8953, &(0x7f0000000200)={'erspan0\x00', 0x0}) [ 1253.566115][T32478] batman_adv: Cannot find parent device 07:25:40 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x4c00}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:25:40 executing program 1: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$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, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:25:40 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000180)={'batadv0\x00', 0x0}) r2 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x8}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x48}}, 0x0) 07:25:40 executing program 5: r0 = socket$nl_route(0x10, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000040)={'ip6gretap0\x00', 0x0}) sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000080)={&(0x7f00000001c0)=ANY=[@ANYBLOB="6800000010000100"/20, @ANYRES32=r1, @ANYBLOB="000000000000edff47002e"], 0x68}}, 0x0) 07:25:40 executing program 3: socket$inet6_udp(0xa, 0x2, 0x0) pselect6(0x40, &(0x7f0000000300), 0x0, &(0x7f0000000380)={0x9}, &(0x7f00000003c0), 0x0) 07:25:40 executing program 4: r0 = socket(0xa, 0x3, 0x3a) ioctl$sock_inet6_udp_SIOCOUTQ(r0, 0x541b, &(0x7f0000000000)) [ 1254.419155][T32494] batman_adv: Cannot find parent device [ 1254.485797][T32495] batman_adv: Cannot find parent device [ 1254.628912][T32501] batman_adv: Cannot find parent device [ 1254.642599][T32501] batman_adv: batadv0: Adding interface: ip6gretap670 [ 1254.650745][T32501] batman_adv: batadv0: The MTU of interface ip6gretap670 is too small (1434) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1254.682140][T32501] batman_adv: batadv0: Not using interface ip6gretap670 (retrying later): interface not active [ 1254.703459][T32503] netlink: 'syz-executor.5': attribute type 46 has an invalid length. [ 1254.739342][T32507] netlink: 'syz-executor.5': attribute type 46 has an invalid length. 07:25:41 executing program 1: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$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, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x3}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:25:41 executing program 5: sendmsg$NL80211_CMD_UNEXPECTED_FRAME(0xffffffffffffffff, 0x0, 0x0) perf_event_open(&(0x7f0000000100)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0xa) r0 = socket(0x10, 0x2, 0x0) getsockopt$sock_cred(r0, 0x1, 0x11, &(0x7f0000caaffb)={0x0, 0x0}, &(0x7f0000cab000)=0xc) setresuid(0x0, r1, 0x0) clone(0x80000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) bpf$PROG_LOAD(0x5, &(0x7f00000017c0)={0x1, 0xe, &(0x7f0000000d00)=ANY=[@ANYBLOB="b700000012edffffbfa30000000000000703000028feffff620af0fff8ffffff61a4f0ff000000003e040000000000007f000000000000006504000001ed0a0016000000170000000c44000000000000630a00fe000000006e04000000000000c6000000fbffffff9500000000000000223bc065b7a379d17cf9333379fc9e84af69912435f1b6a693002e7f3be361917adef6ee1c8a2b4f8ef1e50b91f32050e436fe275daf51efd601b6482a0800000098efefb202ee010400006e7a1de4a21f379dbf01de00b1b564fef3bef70548aed0d600c095199fe3ff3128e59901eaebbdbd7359a48f5b0afc646cb7798b3e6440c2fbdb00a3e35208b0bb0d2cd8dff0c710e4000000000000009fbe4b61a615c6c57a2b649dc74a1a410643b08d9ec21ead2ed51b104d4d91af25b8123deda8a3658d42ecbf28bf7076c15b4630ebc72f526d8e8afcb913466aaa7f6df70252e79166d858fcd0e06dd31a76e42f2460d0b11008e50fb523906f88b53987ad1714e72ba7a54f0c33d99edc3a6138d5f728d24220083ed6ebdf098bc908f50ad228a40f9411fe7226a4040b96e37c4f46010400000000000029faf75ddd1aa96960bca97af13382cb881cc1f62c0f8f8f0e8d76b86f9c45636614786f5a2cb77230a874640dcbe0b20bb77c022d4cab080078fce8c5c81b7037181fc2f18f781aaa6e2957d7e39cc1baddcb7ec6667e699f24e51697ee7ea23e4b29a8b6cc9a1f5a7bb2f15d878acf370ee4a2a00ebeb476ea3caae05f13792292cb949b3aab06b1e042ff2164d80c605532b18ab1c156b97e5889685a96949e4cb4f8f67b8bb84b0e733a63784ccc214d930cbb7e090d63fcd7071b53ac29df826f8ae6d6e18c1eacf5bf870768d5217e9bb5805d9e22ce67f1231bd236486727d970acc546087acbf30f4b8165b47ba56dfadd14b306e98931485747292c6fe6e188750cf4f87c482aa7d67c7133b2f05954cde298a35ea6d715ba80aee6335eb811a085ca14a7989f9777f600000000000000e698b0a80000000000000000000000000000000000000386000000b854adb4f8080064e8407c6bdb37f4b0ac6f2128668279eb6fc144344e2d461c9a1be8fa0061ea9d55ee4716befe75469aa8e9cebf9ed39325ab4c5530dd6ee9fffc0000aad5eda5004a76c9f8975ed4c5e4eb3e77e9885f6975493260bf19e2f615a01cb6d1b6512a7fbf5cb539403cb0572534f054d5514ad8264f7b029b2bdf2ca4958a62a6e754f9a4c1e646e1dd2ca19583f0f8b0dc53debde8f8f334e6ed7445a9580f970e483bb7042f4911ccffe6b23d37e6a2e52d8288e5aab6fec586d52386e8c07a88c88e8faec5f1b16b2014f6952ce7d6be12c6bdb9651ca6fc907061be311d1354e6295698594a73136236bee068d3819400e435449a51648bb7942f22336953b78a5b2032da4238cc61162c04c1297395b73e18c9387615a2bc87d9e2445f3d323d3fac347932a4bac694c55fe9d145906d410f58f1951c05d10504efe402cae085afef5dbd617e87ddbd239e4a50d7eb8e327fb5db12cb3aa9ef547fd6ee9760d7d775cf67e2aa83efab29bccb0544be6884cb1138e8e671c4f251cabd090070d14b9b3cd8d86e492997a0168c022ef3536bd1dc731f4f9f8cb6c3857f78b2414aa9667e55034cb8aaaa95024f8da775f72950212b84fc6133ae14d1429cd4905dabb52e43af7e65acca7b4951fa1e967d16a5ed642efc855a4a46b85cd079934ad3188276efae9387eaa232697526e24b5d4fded86c3811ccd00520150b16000080122965558074956da5e4c3bbefcb64aa8be4456ed2caf0f467b6bbf355bdb33a6b7592ea6209bcb4aa4371f5e76ab3f60afea80bb066aafb7517f787b090f419a20278a3c779e03afd9a6af6fd518e5dce030f88ec5a5cb7601a161da0f8089322d84ac523040d13e1f130012c6555bce60d95dd3288e53435713f03add23f14c8db5555c62de4f626483632a2ab547f88dd6eedc73a2655ba3a3463a0fb9ed379af0271a19ca3aa860aa4dcaeeb9bd91a0cb429efae2a5fcc08b3a572c921ac1476027772c87d1767e38ba49e3e57fafea83e495a6a1d1a4ebf83434986a51f9c47f5d7a45906d1dc26c0091dd66ffe070000009552a312e2db596d9c827e02f6fc13c8ddbb50bfd7dd8aa2f35f259fc83e007fe1a292dd3b856faa8f7e66e1b64505f65900839d0900000000000000ecf8ed9a22da26ae674bba16c204f6b2f8f74fc56b7126d7c11ece6e880141192aaee75415c58d264a2b6adae02c6d1b62422411be02ac1f78015a348638384cd12e61dbde5c47056f0a20b4e2a2328d5db5cfe56557a129e6be231acf5f57995c60d9fca5f63a0dfd18054717120bde466d04774b53208ad8b022719ca77a4e0a66d5df236d220c8dbe2aaa0074a9560e070000df5a5c41392fe9460080fcb1e65233fb8dbeec4c86dbcf6a0673e38d2d3615e5bfbde44afe0fa7564231fff7e7f1f3ad68492dd2ccb16490cfdc73d02719fa0aa7fadecb15b5d7d3e37e8b7d28921c4b928097ff21173f322df408d9818b6cc400098abb869921911480a876fbba698801937e8b4264eb6f5137bdaa075f14880000000000968e1ef3abd082ed36cd39c58544dd530bc0394efb77ef70490c71ad44f2e19025f016cc5091cae4b79cea437fe37eac2b5181d480a3e06a87eedd2d640a25ea58a234f88aae1c148698e323bbde98323d88b35810e880bbdcfaded4e0a0e6b381106046062edd4b92fd7bd3b0ca431f1ae0b9764d205f0c2f8b31a315593156da2701a82e5c398ac527326bc7b93fc73961ff6a9250cef650a4b28ccdf79bffdf56edfa8b25511bde39e6efa3c648da1ff7350123b2febab666b7abf8e281b68d5b28de938388f79ba475f2144d2c36c8eff787cb000074103138caa73543834d6c6380c33e763be742199fff8a1e3f5f27ec374dd206228877ccddd20d27d492ee77d05921aba720957bb49be7747c91e41c2e92f92cb465410339582fafe19b6813f770d6ee1ca7a276a691a08eef93caf10f265a6e61b7c304f8a5b11c78acab35c2cad2d05f6db372829c3d00bb7ce0ecfd2c56348b6b7705bbc473964d24adec861ad25794ccaf4f4ecf8c93cb2ff511bf11f17c77df2befb0c9c1cb3abd4b972af5a5711e4ee15b8794ab5aa7a2a1eff2a5930b192e223af13f352d0ea4d6063a6d18b5f3c34e2fc714bf08d7cd656e13591aaa9f4928913e5abbf6aed794ea742d052346cf6dbedaba62124ea9818f9e7591929e3c5bfb58712283c493399ec214d4423816611f3671f2298c48518e35a5f767da668e8cb48e5743b56329f6d99581f1c91310fa6f17cd316c9fdcfdbb574442bb7cde5bab0de2e7fc1a190cf44dd724aed8cdf7dc664451ed3dc401ceae1ca7e00b57ced3929f34fe1cb7e9b7eb3332df83180850046499d25c3d7da58bc52933462123216c0523eb9e25bb268a7c46e4e23f44248fa866d5522b0e7542c1d44a556bb2c0da30254c67ae796a56b785e20d385953be1821089802f5dff4847cf7e18638b9428bb133ee46ec4d0ccbbcea96680eb633b4e1f15d3a1336c673a7d1411b11c00a389f4b9d9fb0c26b3d6a2cbf711913723be89f59c767b449180af90d26eabd0e5e2b95000000000000000000004ebe"], &(0x7f00000001c0)='GPL\x00'}, 0x48) r2 = gettid() tkill(r2, 0x3) ioctl$sock_SIOCSIFVLAN_DEL_VLAN_CMD(0xffffffffffffffff, 0x8983, &(0x7f0000000000)={0x1, 'vlan1\x00', {}, 0x637e}) fcntl$setown(0xffffffffffffffff, 0x8, 0x0) 07:25:41 executing program 4: perf_event_open(&(0x7f0000000180)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6(0xa, 0x800000000000002, 0x0) write(r0, &(0x7f0000001b00)="8ea8b7370ca7326818b249a893fc1a3ee677aa65f833cec7ac84a4e61b77f4509b48c18b3243a5fac6ef91f365eb2a013987912377d07e4c7583180e5956d2e487bea84c38b859fd669547cbb7ea7231e3e613b724bdcee011615aaff361aaf38d37a5fb38968bf75d3e928c611e8100b18acc4004148a085675708f330a184b50d08a78a4d24dbd8a6909976a4fbc3ec7a02c2d098c5a2755989ae5140c06c27f38fcdb2bd4d0939d8f2ef155f7025d5b563f410f", 0xb5) close(0xffffffffffffffff) r1 = socket$netlink(0x10, 0x3, 0x0) prctl$PR_SET_MM_MAP(0x23, 0xe, 0x0, 0x0) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000400)={&(0x7f00000006c0)=ANY=[@ANYBLOB="5000000010000507000000000000000002000000", @ANYRES32=0x0, @ANYBLOB="00000000000000001c0012800c0001006d6163766c616e000c00028008000100100000000a000500040000000000000008000a00", @ANYRES32, @ANYBLOB="81ef1e11f4746bfc27c90920a5dffba55fae41dd01a09d8eabced9f0c2e49148cd9ba073823b51c54727ff8d8b9efb8823fc726a12750f01039ca034404bca9e423e7cff8e88994624de9f0727939c3d8b0fad17ce234a9cb920276363ca0506000000000000002f3ca7d517c5b68a57c2be2ca2104915ceaea926d2ee9d54f48f5c7091b9"], 0x50}}, 0x0) 07:25:41 executing program 3: r0 = openat$zero(0xffffff9c, &(0x7f0000000000), 0x0, 0x0) mmap$IORING_OFF_CQ_RING(&(0x7f0000ffe000/0x2000)=nil, 0x2000, 0x0, 0x1a7811, r0, 0x8000000) syz_io_uring_setup(0x1c46, &(0x7f0000000100), &(0x7f0000ffe000/0x1000)=nil, &(0x7f0000ffd000/0x3000)=nil, &(0x7f0000000180), &(0x7f00000001c0)) 07:25:41 executing program 2: r0 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x5865}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:25:41 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000180)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x9}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x48}}, 0x0) [ 1255.424587][T32517] batman_adv: Cannot find parent device 07:25:41 executing program 5: r0 = socket$inet6_udp(0xa, 0x2, 0x0) sendmsg(r0, &(0x7f0000000740)={&(0x7f0000000000)=@in6={0xa, 0x4e23, 0x0, @mcast1}, 0x80, &(0x7f0000001840)=[{0x0}, {&(0x7f0000000080)="608113015be29d5f63b6fc2231bbf8c6b4f3f8cf40c24902f2e733845a04d14eb8e4a215746e414c7939129faa33a21c7af8b3dfcbd3dfb622f902fd85dc317fb058d44cc13ea490c06b81a24ecb8cd6b0ded73705730fda14116ea9874e4bdc25136c9bd4", 0x65}, {&(0x7f0000000280)="20b0fe8914516850ca568d5577d6806be1bc9d01ac8756c3fea3efd65e894a6012ee15a65c21be5cba7049cc878279e30a00009262d338aded155679f0d25e98875295cde4a3bf3e42cce5545ae79809a030c90b3026a929", 0x58}, {&(0x7f0000000300)="cb9dfeb71f1d5300a12c4c2202d4a1996e7cc1794c12bcc059ea8a5ab835147ecef2c51278eb5dbee01f92ea2094512cb6ac45d774f65f6560092c5a2f437848e27be521758ad2c7a175076c6d9c9271c7c601bc86b8ac3f607714b295cd1ad47809066fa10b9204205b7aa416c88e430901e5e994103c2381cbd8c6613c9c9171197ba67e204727300258d782d2b856c0f2ef8f0d09525ccc7c4fe25b4b58dfafd993c386b2d5d9ffd9573c5080256f9c1038ac0f6b4cc0b1170e8f5e4c29cac8e527", 0xc3}, {&(0x7f0000000400)="96144b57f9c1d82231317a92e317ecf3cc74c80110d4cadd5390fa34f39fef331df63a917fdb7f2cf3c24b5c74c2e5c312f06ef5fad6c5ad359e7b3887e9a3def7647fd11bb2c89f830dfcca206bcfe75b24a3cf0913f98e65b58e17e05669fa7dcc26c0fb4724c59c76d21b3022982532992badeab7e8551b6f4841c82bff81bb2d8b587046d1e92ad11918159b4cbbf7777160c327008c6928b51fa06ea7a6d200c8d82f19031d758505b21da1dca43ce5456901cafbcf8c2074b203bd8063cc25ac6f0f4926dd6941608c771082bdac4b4529c2be3704e6bab2a28f4ef2c406748d887516964f43281f722396b66de65a3403", 0xf4}, {&(0x7f0000000500)="34223be40b528525487eeb6be4b92a09560008959cc5de690ff7949a2889787130f77df3b93673d758746ec3938de685a9b48b956d44ceb300a2c67d89dd5c0193988f97c9ebcce395c19b05c05e4aa11b3a8b1552b9f2ca5f7cf8110628dfb06b8e5a6c8615817ebefc0280c48e66ce6ad8323c1190c3616afa0f2ef9f9a934391b1567a47ac8aaeabaff7ece6d29fab53b6fca30d9d1cc304ac75eb2029927d1adf66e18cf35b9a0bc98a3bd83c6fba126d7a57798ed8163662cea5333e84e189b4478cbc5958d3a621d05d754225e4cfb42cdba8a77b3dfc82c2fd8c93f8c9f254bbd46aeec9a54844dc04d95305aca75ae80", 0xf4}, {&(0x7f0000000100)="079f0366eba13b0be4b023bb3226e2c4a2487206b5ae", 0x16}, {&(0x7f0000000600)="83782c3cc9f5e695616cffb743ab1b67a6e77122104243ffb1372796f2000b4b2a86b770e248447d29b441eb1375e931de8864652931ca8089daa1a0d5c62ddc270235a0d076fa382f5672b2134fbc97cae602713d99cfe76174c8500ac80002e29d08ed4f9d02744a33c403909858", 0x6f}, {&(0x7f0000000840)="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", 0x1c0}], 0x9}, 0x0) [ 1255.708524][T32527] batman_adv: Cannot find parent device [ 1255.766288][T32528] netlink: 'syz-executor.4': attribute type 5 has an invalid length. 07:25:42 executing program 1: r0 = socket$nl_route(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$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x4}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:25:42 executing program 3: r0 = socket$inet_tcp(0x2, 0x1, 0x0) setsockopt$inet_tcp_int(r0, 0x6, 0x19, &(0x7f0000000140), 0x4) [ 1256.254700][T32542] batman_adv: Cannot find parent device 07:25:42 executing program 2: r0 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x6000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:25:42 executing program 5: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000000140)={0x4, 0x0, 0x0, 0x2000, &(0x7f0000ffb000/0x2000)=nil}) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f00000000c0)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) [ 1256.348164][T32542] batman_adv: batadv0: Adding interface: ip6gretap671 [ 1256.355956][T32542] batman_adv: batadv0: The MTU of interface ip6gretap671 is too small (1434) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1256.382856][T32542] batman_adv: batadv0: Not using interface ip6gretap671 (retrying later): interface not active [ 1256.418923][T32534] netlink: 'syz-executor.4': attribute type 5 has an invalid length. [ 1256.624753][T32554] batman_adv: Cannot find parent device 07:25:43 executing program 4: r0 = socket(0xa, 0x3, 0x3a) ioctl$sock_inet6_udp_SIOCOUTQ(r0, 0x5411, &(0x7f0000000000)) [ 1256.871163][T32563] batman_adv: Cannot find parent device 07:25:43 executing program 3: clone(0x13102001ffe, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) 07:25:43 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000180)={'batadv0\x00', 0x0}) r2 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0xa}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x48}}, 0x0) 07:25:43 executing program 1: r0 = socket$nl_route(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$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x5}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:25:43 executing program 5: r0 = openat$zero(0xffffff9c, &(0x7f0000000000), 0x0, 0x0) mmap$IORING_OFF_SQES(&(0x7f0000ffc000/0x1000)=nil, 0xffffe000, 0x0, 0x10, r0, 0x10000000) 07:25:43 executing program 2: r0 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x6558}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) [ 1257.571924][T32576] batman_adv: Cannot find parent device [ 1257.586763][T32576] batman_adv: batadv0: Adding interface: ip6gretap672 [ 1257.593931][T32576] batman_adv: batadv0: The MTU of interface ip6gretap672 is too small (1434) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 07:25:44 executing program 4: r0 = socket(0x2, 0x1, 0x0) ioctl$sock_ipv4_tunnel_SIOCDELTUNNEL(r0, 0x5421, &(0x7f0000000200)={'erspan0\x00', 0x0}) [ 1257.621774][T32576] batman_adv: batadv0: Not using interface ip6gretap672 (retrying later): interface not active 07:25:44 executing program 3: r0 = socket(0x2, 0x1, 0x0) ioctl$sock_ipv4_tunnel_SIOCDELTUNNEL(r0, 0x5411, &(0x7f0000000200)={'erspan0\x00', 0x0}) 07:25:44 executing program 5: perf_event_open(&(0x7f0000000180)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6(0xa, 0x800000000000002, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x3800003, 0x12, 0xffffffffffffffff, 0x0) write(r0, &(0x7f0000001b00)="8ea8b7370ca7326818b249a893fc1a3ee677aa65f833cec7ac84a4e61b77f4509b48c18b3243a5fac6ef91f365eb2a013987912377d07e4c7583180e5956d2e487bea84c38b859fd669547cbb7ea7231e3e613b724bdcee011615aaff361aaf38d37a5fb38968bf75d3e928c611e8100b18acc4004148a085675708f330a184b50d08a78a4d24dbd8a6909976a4fbc3ec7a02c2d098c5a2755989ae5140c06c27f38fcdb2bd4d0939d8f2ef155f7025d5b563f410f0639b76bf4565b40", 0xbd) close(r1) r2 = mq_open(&(0x7f000084dff0)='!selinuxselinux\x00', 0x6e93ebbbcc0884f2, 0x0, &(0x7f0000000040)={0x0, 0x2, 0x3}) mq_timedsend(r2, 0x0, 0x0, 0x0, 0x0) mq_timedreceive(r2, &(0x7f0000000180)=""/204, 0xcc, 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x10, 0xffffffffffffffff, 0x0) r3 = socket$netlink(0x10, 0x3, 0x0) prctl$PR_SET_MM_MAP(0x23, 0xe, 0x0, 0x0) mq_timedreceive(0xffffffffffffffff, &(0x7f0000001900)=""/217, 0xd9, 0x101, &(0x7f00000003c0)) sendmsg$nl_route(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000400)={&(0x7f00000006c0)=ANY=[@ANYBLOB="5000000010000507000000000000000002000000", @ANYRES32=0x0, @ANYBLOB="00000000000000001c0012800c0001006d6163766c616e000c00028008000100100000000a000500040000000000000008000a00", @ANYBLOB="81ef1e11f4746bfc27c90920a5dffba55fae41dd01a09d8eabced9f0c2e49148cd9ba073823b51c54727ff8d8b9efb8823fc726a12750f01039ca034404bca9e423e7cff8e"], 0x50}}, 0x0) 07:25:44 executing program 1: r0 = socket$nl_route(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$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x6}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) [ 1257.975571][T32588] batman_adv: Cannot find parent device [ 1257.983964][T32588] device ip6gretap849 entered promiscuous mode 07:25:44 executing program 4: r0 = socket(0x2, 0x1, 0x0) ioctl$sock_ipv4_tunnel_SIOCDELTUNNEL(r0, 0x541b, 0x0) 07:25:44 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000180)={'batadv0\x00', 0x0}) r2 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0xb}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x48}}, 0x0) [ 1258.487426][T32599] netlink: 'syz-executor.5': attribute type 5 has an invalid length. 07:25:45 executing program 2: r0 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x6800}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:25:45 executing program 3: r0 = socket(0x2, 0x1, 0x0) ioctl$sock_ipv4_tunnel_SIOCDELTUNNEL(r0, 0x8937, &(0x7f0000000200)={'erspan0\x00', 0x0}) [ 1258.725767][T32603] batman_adv: Cannot find parent device 07:25:45 executing program 4: bpf$MAP_CREATE(0x0, &(0x7f0000000000)={0x1, 0x10401, 0xf, 0x84, 0x0, 0xffffffffffffffff, 0x0, '\x00', 0x0, 0xffffffffffffffff, 0x0, 0x2}, 0x40) 07:25:45 executing program 5: r0 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl$sock_ipv4_tunnel_SIOCDELTUNNEL(r0, 0x541b, 0x0) 07:25:45 executing program 1: r0 = socket$nl_route(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$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x7}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) [ 1259.253118][T32615] batman_adv: Cannot find parent device [ 1259.290163][T32618] batman_adv: Cannot find parent device [ 1259.303936][T32618] batman_adv: batadv0: Adding interface: ip6gretap673 [ 1259.311075][T32618] batman_adv: batadv0: The MTU of interface ip6gretap673 is too small (1434) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1259.337481][T32618] batman_adv: batadv0: Not using interface ip6gretap673 (retrying later): interface not active 07:25:45 executing program 3: mremap(&(0x7f0000ffd000/0x3000)=nil, 0x3000, 0x3000, 0x7, &(0x7f0000ff9000/0x3000)=nil) 07:25:46 executing program 2: r0 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x6a00}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) [ 1259.768124][T32631] batman_adv: Cannot find parent device 07:25:46 executing program 5: symlinkat(&(0x7f0000000400)='./file0/file0\x00', 0xffffffffffffff9c, &(0x7f0000000380)='./file0\x00') open$dir(&(0x7f0000000040)='./file0\x00', 0x0, 0x0) 07:25:46 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000180)={'batadv0\x00', 0x0}) r2 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0xc}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x48}}, 0x0) [ 1260.284468][T32641] batman_adv: Cannot find parent device 07:25:46 executing program 3: r0 = socket(0xa, 0x3, 0x8) getpeername$unix(r0, 0x0, 0x0) 07:25:46 executing program 1: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$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, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x8}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:25:47 executing program 4: r0 = openat$ttyS3(0xffffff9c, &(0x7f0000000040), 0x0, 0x0) ioctl$TIOCSERGETLSR(r0, 0x5459, 0x0) 07:25:47 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x6c00}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:25:47 executing program 5: r0 = socket(0x2, 0x1, 0x0) ioctl$sock_ipv4_tunnel_SIOCDELTUNNEL(r0, 0x8931, &(0x7f0000000200)={'erspan0\x00', 0x0}) [ 1260.831769][T32650] batman_adv: Cannot find parent device [ 1260.846717][T32650] batman_adv: batadv0: Adding interface: ip6gretap674 [ 1260.853898][T32650] batman_adv: batadv0: The MTU of interface ip6gretap674 is too small (1434) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1260.880978][T32650] batman_adv: batadv0: Not using interface ip6gretap674 (retrying later): interface not active 07:25:47 executing program 3: r0 = socket(0xa, 0x3, 0x3a) ioctl$sock_inet6_udp_SIOCOUTQ(r0, 0x8940, &(0x7f0000000000)) [ 1261.160414][T32655] batman_adv: Cannot find parent device 07:25:47 executing program 1: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$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, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x9}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) [ 1261.450611][T32663] batman_adv: Cannot find parent device 07:25:48 executing program 5: perf_event_open(&(0x7f0000000280)={0x2, 0x80, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) 07:25:48 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000180)={'batadv0\x00', 0x0}) r2 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0xd}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x48}}, 0x0) 07:25:48 executing program 4: perf_event_open(&(0x7f0000000200)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext={0x0, 0x5}, 0x0, 0x0, 0x0, 0x4, 0x0, 0x1}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) setsockopt$packet_rx_ring(0xffffffffffffffff, 0x107, 0x5, 0x0, 0x17) r0 = socket$inet6(0xa, 0x400000000001, 0x0) getsockopt$inet_IP_XFRM_POLICY(0xffffffffffffffff, 0x0, 0x11, 0x0, 0x0) r1 = dup(r0) setsockopt$inet_tcp_int(r1, 0x6, 0x18, &(0x7f0000000180)=0x1, 0x4) 07:25:48 executing program 3: r0 = openat$zero(0xffffff9c, &(0x7f0000000000), 0x0, 0x0) mmap$IORING_OFF_CQ_RING(&(0x7f0000ffe000/0x2000)=nil, 0x2000000, 0x0, 0x1a7811, r0, 0x8000000) 07:25:48 executing program 2: r0 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x7400}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) [ 1262.050779][T32675] batman_adv: Cannot find parent device 07:25:48 executing program 5: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000400), 0xffffffffffffffff) sendmsg$NL80211_CMD_SET_BEACON(r0, &(0x7f0000000e00)={0x0, 0x0, &(0x7f0000000dc0)={&(0x7f0000000e40)={0x1c, r1, 0x1, 0x0, 0x0, {{}, {@val={0x8}, @void}}}, 0x1c}}, 0x0) [ 1262.274564][T32679] batman_adv: Cannot find parent device [ 1262.288979][T32679] batman_adv: batadv0: Adding interface: ip6gretap675 [ 1262.296800][T32679] batman_adv: batadv0: The MTU of interface ip6gretap675 is too small (1434) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1262.325571][T32679] batman_adv: batadv0: Not using interface ip6gretap675 (retrying later): interface not active 07:25:49 executing program 1: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$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, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xa}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) [ 1262.522446][T32688] batman_adv: Cannot find parent device 07:25:49 executing program 4: r0 = syz_open_dev$vcsn(&(0x7f0000000000), 0x0, 0x0) mmap$IORING_OFF_CQ_RING(&(0x7f0000ffc000/0x4000)=nil, 0x4002, 0x0, 0x11, r0, 0x8000000) mmap$IORING_OFF_CQ_RING(&(0x7f0000ffe000/0x1000)=nil, 0x1000, 0x0, 0x4011, r0, 0x8000000) 07:25:49 executing program 3: r0 = socket$inet6_udp(0xa, 0x2, 0x0) setsockopt$inet6_group_source_req(r0, 0x29, 0x2b, &(0x7f0000000400)={0x8000, {{0xa, 0x0, 0x0, @mcast2}}, {{0xa, 0x0, 0x0, @private0}}}, 0x108) 07:25:49 executing program 2: r0 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x7a00}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:25:49 executing program 5: r0 = socket$inet_udp(0x2, 0x2, 0x0) setsockopt$inet_mreqsrc(r0, 0x1100, 0x0, 0x0, 0x0) 07:25:49 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000180)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0xe}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x48}}, 0x0) [ 1263.137458][T32701] batman_adv: Cannot find parent device 07:25:49 executing program 3: seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x0, &(0x7f0000000080)={0x2, &(0x7f0000000000)=[{}, {0x94}]}) 07:25:50 executing program 1: r0 = socket$nl_route(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$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xb}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) [ 1263.481399][T32711] batman_adv: Cannot find parent device 07:25:50 executing program 4: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) getsockopt$inet6_int(r0, 0x29, 0x4b, 0x0, &(0x7f0000000200)) [ 1263.657414][T32716] batman_adv: Cannot find parent device [ 1263.670988][T32716] batman_adv: batadv0: Adding interface: ip6gretap676 07:25:50 executing program 5: r0 = socket$inet6(0xa, 0x1, 0x0) ioctl$sock_SIOCDELRT(r0, 0xc0189436, &(0x7f0000000040)={0x0, @ipx={0x4, 0x0, 0x0, "2b2f4fb86c78"}, @vsock={0x28, 0x0, 0x0, @host}, @l2={0x1f, 0x0, @none}}) [ 1263.683110][T32716] batman_adv: batadv0: The MTU of interface ip6gretap676 is too small (1434) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1263.712002][T32716] batman_adv: batadv0: Not using interface ip6gretap676 (retrying later): interface not active 07:25:50 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000180)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0xf}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x48}}, 0x0) 07:25:50 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x7e03}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:25:50 executing program 3: r0 = openat$null(0xffffffffffffff9c, &(0x7f0000001c00), 0x0, 0x0) getpeername$unix(r0, 0x0, 0x0) [ 1264.176915][T32726] batman_adv: Cannot find parent device 07:25:50 executing program 4: r0 = socket$inet6(0xa, 0x1, 0x0) ioctl$sock_SIOCDELRT(r0, 0xc020660b, 0x0) 07:25:50 executing program 5: socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) setsockopt$SO_TIMESTAMPING(r0, 0x1, 0x3e, &(0x7f0000000080), 0x4) [ 1264.540161][T32735] batman_adv: Cannot find parent device [ 1264.731016][T32740] batman_adv: Cannot find parent device [ 1264.744522][T32740] batman_adv: batadv0: Adding interface: ip6gretap677 [ 1264.751754][T32740] batman_adv: batadv0: The MTU of interface ip6gretap677 is too small (1434) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 07:25:51 executing program 1: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$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, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xc}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) [ 1264.778624][T32740] batman_adv: batadv0: Not using interface ip6gretap677 (retrying later): interface not active 07:25:51 executing program 3: r0 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000140)='/proc/partitions\x00', 0x0, 0x0) read$FUSE(r0, &(0x7f000000a340)={0x2020}, 0x2020) 07:25:51 executing program 4: fsopen(&(0x7f0000000080)='devtmpfs\x00', 0x0) 07:25:51 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x8003}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:25:51 executing program 5: r0 = socket$nl_audit(0x10, 0x3, 0x9) sendmsg$AUDIT_USER(r0, &(0x7f00000006c0)={0x0, 0x0, &(0x7f0000000680)={&(0x7f0000000600)={0x10}, 0xec0}}, 0x0) 07:25:51 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000180)={'batadv0\x00', 0x0}) r2 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x10}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x48}}, 0x0) [ 1265.408114][T32754] batman_adv: Cannot find parent device [ 1265.785034][T32764] batman_adv: Cannot find parent device 07:25:52 executing program 3: pipe2(&(0x7f0000000100), 0x0) r0 = syz_open_dev$vcsn(&(0x7f0000000000), 0x0, 0x0) mmap$IORING_OFF_CQ_RING(&(0x7f0000ffc000/0x4000)=nil, 0x4000, 0x0, 0x11, r0, 0x8000000) 07:25:52 executing program 1: r0 = socket$nl_route(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$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xd}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) [ 1265.976149][ T301] batman_adv: Cannot find parent device [ 1265.990607][ T301] batman_adv: batadv0: Adding interface: ip6gretap678 [ 1265.997976][ T301] batman_adv: batadv0: The MTU of interface ip6gretap678 is too small (1434) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1266.024991][ T301] batman_adv: batadv0: Not using interface ip6gretap678 (retrying later): interface not active 07:25:52 executing program 4: socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) sendmsg(r0, &(0x7f0000000680)={0x0, 0x0, 0x0, 0x0, &(0x7f0000000200)=ANY=[@ANYBLOB='p'], 0x468}, 0x0) 07:25:52 executing program 5: r0 = add_key$keyring(&(0x7f0000000000), &(0x7f0000000040)={'syz', 0x0}, 0x0, 0x0, 0xfffffffffffffffb) keyctl$link(0x2, r0, 0x0) 07:25:52 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x8100}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:25:52 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000180)={'batadv0\x00', 0x0}) r2 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x11}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x48}}, 0x0) [ 1266.551181][ T313] batman_adv: Cannot find parent device [ 1266.559656][ T313] device ip6gretap857 entered promiscuous mode [ 1266.599118][ T314] batman_adv: Cannot find parent device 07:25:53 executing program 3: r0 = openat$bsg(0xffffffffffffff9c, &(0x7f0000001800), 0x0, 0x0) fchownat(r0, &(0x7f0000000380)='./file0\x00', 0x0, 0xffffffffffffffff, 0x0) 07:25:53 executing program 5: r0 = socket$inet_tcp(0x2, 0x1, 0x0) ioctl$sock_SIOCADDRT(r0, 0x890b, &(0x7f0000000100)={0x0, @l2tp={0x2, 0x0, @multicast2}, @in={0x2, 0x0, @local}, @ax25={0x3, @default}, 0x7}) [ 1267.019026][ T326] batman_adv: Cannot find parent device [ 1267.032531][ T326] batman_adv: batadv0: Adding interface: ip6gretap679 [ 1267.040329][ T326] batman_adv: batadv0: The MTU of interface ip6gretap679 is too small (1434) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 07:25:53 executing program 4: r0 = socket$inet_udp(0x2, 0x2, 0x0) setsockopt$inet_mreqsrc(r0, 0x0, 0x7, 0x0, 0x0) [ 1267.070910][ T326] batman_adv: batadv0: Not using interface ip6gretap679 (retrying later): interface not active 07:25:53 executing program 1: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$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, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xe}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:25:53 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x8803}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:25:54 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000180)={'batadv0\x00', 0x0}) r2 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x12}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x48}}, 0x0) 07:25:54 executing program 3: openat$null(0xffffffffffffff9c, &(0x7f0000000080), 0x26002, 0x0) [ 1267.702833][ T339] batman_adv: Cannot find parent device 07:25:54 executing program 5: socketpair$unix(0x1, 0x2, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) syz_mount_image$fuse(0x0, &(0x7f0000000340)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) connect$unix(r0, &(0x7f0000000100)=@file={0x1, './file0\x00'}, 0x6e) [ 1267.810630][ T342] batman_adv: Cannot find parent device 07:25:54 executing program 4: setsockopt$inet6_mtu(0xffffffffffffffff, 0x29, 0x17, 0x0, 0xfffffd77) [ 1268.013424][ T347] batman_adv: Cannot find parent device [ 1268.028798][ T347] batman_adv: batadv0: Adding interface: ip6gretap680 [ 1268.036541][ T347] batman_adv: batadv0: The MTU of interface ip6gretap680 is too small (1434) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1268.063551][ T347] batman_adv: batadv0: Not using interface ip6gretap680 (retrying later): interface not active 07:25:54 executing program 1: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$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, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xf}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:25:54 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x8847}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:25:54 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f00000004c0)={0x0, 0x0, &(0x7f0000000480)={&(0x7f0000000380)=@ipv6_getroute={0x24, 0x1a, 0x1, 0x0, 0x0, {}, [@RTA_METRICS={0x5, 0x8, 0x0, 0x1, "d2"}]}, 0x24}}, 0x0) 07:25:54 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000180)={'batadv0\x00', 0x0}) r2 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x25}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x48}}, 0x0) [ 1268.459694][ T357] batman_adv: Cannot find parent device [ 1268.608896][ T363] batman_adv: Cannot find parent device 07:25:55 executing program 4: r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$ETHTOOL_MSG_RINGS_GET(r0, &(0x7f0000001780)={0x0, 0x0, &(0x7f0000001740)={&(0x7f00000016c0)={0x14, 0x0, 0x4504}, 0x14}}, 0x0) 07:25:55 executing program 5: r0 = socket$inet6(0xa, 0x1, 0x0) ioctl$sock_SIOCDELRT(r0, 0x890c, &(0x7f0000000040)={0x0, @ipx={0x4, 0x0, 0x0, "2b2f4fb86c78"}, @vsock={0x28, 0x0, 0x0, @host}, @l2={0x1f, 0x0, @none, 0x0, 0x1}}) [ 1269.022283][ T373] batman_adv: Cannot find parent device [ 1269.037276][ T373] batman_adv: batadv0: Adding interface: ip6gretap681 [ 1269.044426][ T373] batman_adv: batadv0: The MTU of interface ip6gretap681 is too small (1434) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 07:25:55 executing program 2: r0 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x8848}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:25:55 executing program 3: r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$ETHTOOL_MSG_RINGS_GET(r0, &(0x7f0000001780)={&(0x7f0000001580), 0xc, &(0x7f0000001740)={&(0x7f00000016c0)={0x14}, 0x14}, 0x300}, 0x0) [ 1269.072791][ T373] batman_adv: batadv0: Not using interface ip6gretap681 (retrying later): interface not active 07:25:55 executing program 1: r0 = socket$nl_route(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$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x10}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:25:55 executing program 4: r0 = socket$nl_audit(0x10, 0x3, 0x9) sendmsg$AUDIT_USER(r0, &(0x7f00000006c0)={0x0, 0x0, &(0x7f0000000680)={0x0}, 0x1, 0x0, 0x8d00}, 0x0) 07:25:55 executing program 5: r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$ETHTOOL_MSG_FEATURES_GET(r0, &(0x7f0000000340)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000280)={0x14, 0x0, 0x1}, 0x14}}, 0x0) [ 1269.616161][ T384] batman_adv: Cannot find parent device [ 1269.723913][ T390] batman_adv: Cannot find parent device 07:25:56 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000180)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x2f}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x48}}, 0x0) 07:25:56 executing program 3: syz_usb_connect$cdc_ecm(0x2, 0x4d, &(0x7f0000000140)={{0x12, 0x1, 0x0, 0x2, 0x0, 0x0, 0x10, 0x525, 0xa4a1, 0x40, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x3b, 0x1, 0x1, 0x0, 0x0, 0x0, [{{0x9, 0x4, 0x0, 0x0, 0x0, 0x2, 0x6, 0x0, 0x0, {{0x5}, {0x5}, {0xd}}, {[], {{0x9, 0x5, 0x82, 0x2, 0x8}}}}}]}}]}}, 0x0) 07:25:56 executing program 2: r0 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x9203}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:25:56 executing program 1: r0 = socket$nl_route(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$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x11}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:25:56 executing program 4: r0 = socket(0xa, 0x3, 0x1) ioctl$sock_ipv4_tunnel_SIOCDELTUNNEL(r0, 0x89f2, &(0x7f0000000580)={'gretap0\x00', 0x0}) 07:25:56 executing program 5: syz_mount_image$tmpfs(&(0x7f0000000100), &(0x7f0000000140)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000001780)=ANY=[@ANYBLOB='dont_measure,defcontext=']) [ 1270.426832][ T402] batman_adv: Cannot find parent device [ 1270.441125][ T402] batman_adv: batadv0: Adding interface: ip6gretap682 [ 1270.448857][ T402] batman_adv: batadv0: The MTU of interface ip6gretap682 is too small (1434) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1270.475681][ T402] batman_adv: batadv0: Not using interface ip6gretap682 (retrying later): interface not active 07:25:57 executing program 4: r0 = socket$nl_generic(0x10, 0x3, 0x10) recvmsg(r0, &(0x7f0000000e40)={0x0, 0x0, &(0x7f0000000d40)=[{0x0}, {0x0}, {0x0}, {0x0}, {0x0}, {0x0}, {0x0}, {0x0}, {0x0}], 0x9}, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f00000020c0), r0) [ 1270.793275][ T9241] usb 4-1: new full-speed USB device number 3 using dummy_hcd [ 1270.823624][ T414] batman_adv: Cannot find parent device 07:25:57 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000180)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x3a}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x48}}, 0x0) [ 1270.904543][ T417] batman_adv: Cannot find parent device [ 1270.925097][ T418] tmpfs: Unknown parameter 'dont_measure' [ 1270.949909][ T418] tmpfs: Unknown parameter 'dont_measure' 07:25:57 executing program 1: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$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, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x12}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) [ 1271.153889][ T9241] usb 4-1: config 1 interface 0 altsetting 0 has 2 endpoint descriptors, different from the interface descriptor's value: 0 07:25:57 executing program 5: r0 = openat$sndtimer(0xffffffffffffff9c, &(0x7f0000000040), 0x0) ioctl$SNDRV_TIMER_IOCTL_NEXT_DEVICE(r0, 0x5422, 0x0) [ 1271.330372][ T425] batman_adv: Cannot find parent device [ 1271.344688][ T425] batman_adv: batadv0: Adding interface: ip6gretap683 [ 1271.344966][ T9241] usb 4-1: New USB device found, idVendor=0525, idProduct=a4a1, bcdDevice= 0.40 07:25:57 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0xa100}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) [ 1271.351824][ T425] batman_adv: batadv0: The MTU of interface ip6gretap683 is too small (1434) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1271.363631][ T9241] usb 4-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 1271.387422][ T425] batman_adv: batadv0: Not using interface ip6gretap683 (retrying later): interface not active [ 1271.407527][ T9241] usb 4-1: Product: syz [ 1271.412076][ T9241] usb 4-1: Manufacturer: syz [ 1271.417100][ T9241] usb 4-1: SerialNumber: syz 07:25:58 executing program 4: syz_mount_image$fuse(&(0x7f0000000300), &(0x7f0000000340)='./file0\x00', 0x0, 0x0, 0x25, 0x0, &(0x7f0000001400)=ANY=[]) [ 1271.687311][ T431] batman_adv: Cannot find parent device [ 1271.851921][ T439] batman_adv: Cannot find parent device [ 1271.860586][ T439] device ip6gretap862 entered promiscuous mode [ 1271.916951][ T9241] cdc_ether: probe of 4-1:1.0 failed with error -22 07:25:58 executing program 1: r0 = socket$nl_route(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$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x25}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:25:58 executing program 3: seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x0, &(0x7f0000000080)={0x2, &(0x7f0000000000)=[{}, {0x4d}]}) 07:25:58 executing program 5: r0 = socket$inet_tcp(0x2, 0x1, 0x0) ioctl$sock_SIOCADDRT(r0, 0x8940, &(0x7f00000000c0)={0x0, @l2tp={0x2, 0x0, @initdev={0xac, 0x1e, 0x0, 0x0}}, @nl, @qipcrtr}) 07:25:58 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000180)={'batadv0\x00', 0x0}) r2 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x48}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x48}}, 0x0) [ 1272.322678][ T9241] usb 4-1: USB disconnect, device number 3 07:25:59 executing program 2: r0 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0xaa03}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) [ 1272.513292][ T461] batman_adv: Cannot find parent device 07:25:59 executing program 4: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000040)=@ipv6_getaddr={0x18}, 0x18}}, 0x0) [ 1272.795614][ T471] batman_adv: Cannot find parent device [ 1272.810476][ T471] batman_adv: batadv0: Adding interface: ip6gretap684 [ 1272.817901][ T471] batman_adv: batadv0: The MTU of interface ip6gretap684 is too small (1434) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1272.844741][ T471] batman_adv: batadv0: Not using interface ip6gretap684 (retrying later): interface not active 07:25:59 executing program 5: pipe2(0x0, 0x0) r0 = syz_open_dev$vcsn(&(0x7f0000000000), 0x0, 0x0) mmap$IORING_OFF_CQ_RING(&(0x7f0000ffc000/0x4000)=nil, 0x300, 0x0, 0x11, r0, 0x8000000) 07:25:59 executing program 1: r0 = socket$nl_route(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$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x2f}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:25:59 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000180)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x4a}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x48}}, 0x0) 07:25:59 executing program 3: r0 = openat$hwrng(0xffffffffffffff9c, &(0x7f0000000040), 0x200000, 0x0) write$FUSE_INIT(r0, 0x0, 0x0) [ 1273.254375][ T480] batman_adv: Cannot find parent device 07:25:59 executing program 4: prctl$PR_MPX_DISABLE_MANAGEMENT(0x2c) r0 = socket$inet_tcp(0x2, 0x1, 0x0) ioctl$sock_SIOCADDRT(r0, 0x890b, &(0x7f00000000c0)={0x0, @l2tp={0x2, 0x0, @multicast2}, @nl, @ethernet={0x6, @random="dd42f6249ea1"}, 0xb3c}) r1 = socket$packet(0x11, 0x2, 0x300) ioctl$sock_inet_SIOCGIFADDR(r0, 0x8915, &(0x7f0000000000)={'veth0_macvtap\x00', {0x2, 0x0, @local}}) setsockopt$sock_void(r1, 0x1, 0x1b, 0x0, 0x0) 07:26:00 executing program 5: pipe(&(0x7f0000000280)={0xffffffffffffffff, 0xffffffffffffffff}) write$FUSE_CREATE_OPEN(r1, &(0x7f00000001c0)={0xa0}, 0xa0) read$FUSE(r0, &(0x7f00000020c0)={0x2020}, 0x2020) [ 1273.688434][ T492] batman_adv: Cannot find parent device [ 1273.744651][ T493] batman_adv: Cannot find parent device [ 1273.759670][ T493] batman_adv: batadv0: Adding interface: ip6gretap685 [ 1273.766962][ T493] batman_adv: batadv0: The MTU of interface ip6gretap685 is too small (1434) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1273.794619][ T493] batman_adv: batadv0: Not using interface ip6gretap685 (retrying later): interface not active 07:26:00 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0xcc02}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:26:00 executing program 3: r0 = socket$inet_udp(0x2, 0x2, 0x0) setsockopt$inet_mreqsrc(r0, 0x0, 0x6, 0x0, 0x0) 07:26:00 executing program 1: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$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, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x3a}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) [ 1274.233642][ T507] batman_adv: Cannot find parent device 07:26:00 executing program 4: r0 = add_key$keyring(&(0x7f0000000140), &(0x7f0000000180)={'syz', 0x0}, 0x0, 0x0, 0xfffffffffffffffc) keyctl$link(0x5, 0x0, r0) [ 1274.486849][ T513] batman_adv: Cannot find parent device 07:26:01 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000180)={'batadv0\x00', 0x0}) r2 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x4c}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x48}}, 0x0) 07:26:01 executing program 2: r0 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0xcf09}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:26:01 executing program 3: r0 = openat$binder_debug(0xffffffffffffff9c, &(0x7f0000000380)='/sys/kernel/debug/binder/state\x00', 0x0, 0x0) syz_mount_image$fuse(&(0x7f0000000300), &(0x7f0000000340)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000001400)=ANY=[@ANYBLOB='fd=', @ANYRESHEX=r0, @ANYBLOB=',rootmode']) [ 1275.036960][ T523] batman_adv: Cannot find parent device [ 1275.055655][ T523] batman_adv: batadv0: Adding interface: ip6gretap686 07:26:01 executing program 1: r0 = socket$nl_route(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$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x48}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) [ 1275.062754][ T523] batman_adv: batadv0: The MTU of interface ip6gretap686 is too small (1434) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1275.090062][ T523] batman_adv: batadv0: Not using interface ip6gretap686 (retrying later): interface not active 07:26:01 executing program 5: syz_mount_image$fuse(&(0x7f0000000300), 0x0, 0x0, 0x0, 0x22, 0x0, 0x0) 07:26:01 executing program 4: r0 = socket$inet_udp(0x2, 0x2, 0x0) setsockopt$inet_mreqsrc(r0, 0x0, 0x27, &(0x7f0000000000)={@multicast2, @dev, @multicast2}, 0xc) [ 1275.411775][ T528] batman_adv: Cannot find parent device [ 1275.421523][ T528] device ip6gretap865 entered promiscuous mode [ 1275.534277][ T531] fuse: Bad value for 'rootmode' [ 1275.672649][ T535] batman_adv: Cannot find parent device 07:26:02 executing program 3: mknodat$loop(0xffffffffffffff9c, &(0x7f0000000000)='./file0\x00', 0x6000, 0x1) openat$dir(0xffffffffffffff9c, &(0x7f00000005c0)='./file0\x00', 0x0, 0x0) 07:26:02 executing program 5: mmap$IORING_OFF_CQ_RING(&(0x7f0000ffb000/0x3000)=nil, 0x3000, 0x5, 0x11032, 0xffffffffffffffff, 0x8000000) syz_io_uring_submit(0x0, 0x0, 0x0, 0x0) pkey_mprotect(&(0x7f0000ff9000/0x4000)=nil, 0x4000, 0x0, 0xffffffffffffffff) mmap$IORING_OFF_CQ_RING(&(0x7f0000ffb000/0x3000)=nil, 0x3000, 0x0, 0x11032, 0xffffffffffffffff, 0x8000000) 07:26:02 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000180)={'batadv0\x00', 0x0}) r2 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x60}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x48}}, 0x0) 07:26:02 executing program 2: r0 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0xd800}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:26:02 executing program 4: r0 = socket$inet6(0xa, 0x1, 0x0) ioctl$sock_ipv6_tunnel_SIOCCHGPRL(r0, 0x89f7, &(0x7f0000000180)={'ip6_vti0\x00', 0x0}) 07:26:02 executing program 1: r0 = socket$nl_route(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$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x4a}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) [ 1276.512669][ T552] batman_adv: Cannot find parent device [ 1276.596561][ T553] batman_adv: Cannot find parent device [ 1276.612206][ T553] batman_adv: batadv0: Adding interface: ip6gretap687 [ 1276.619521][ T553] batman_adv: batadv0: The MTU of interface ip6gretap687 is too small (1434) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1276.646998][ T553] batman_adv: batadv0: Not using interface ip6gretap687 (retrying later): interface not active 07:26:03 executing program 5: seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x0, &(0x7f0000001040)={0x2, &(0x7f0000001000)=[{}, {0x20}]}) [ 1276.788034][ T560] batman_adv: Cannot find parent device 07:26:03 executing program 3: seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x2, 0x0, &(0x7f00000001c0)={0x1, &(0x7f0000000240)=[{}]}) 07:26:03 executing program 4: r0 = syz_open_dev$vcsn(&(0x7f0000000000), 0xfffffffffffffffe, 0xe0180) read$char_usb(r0, 0x0, 0x0) 07:26:03 executing program 2: r0 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0xde02}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:26:03 executing program 1: r0 = socket$nl_route(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$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x4c}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:26:03 executing program 5: r0 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl$sock_inet_SIOCADDRT(r0, 0x890b, &(0x7f0000000080)={0x0, {0x2, 0x0, @remote}, {0x2, 0x0, @empty}, {0x2, 0x0, @broadcast}, 0x227, 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)='ip6gretap0\x00', 0x0, 0x7fff, 0x1}) 07:26:03 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000180)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x68}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x48}}, 0x0) 07:26:04 executing program 3: r0 = socket(0xa, 0x3, 0x1) ioctl$sock_ipv4_tunnel_SIOCDELTUNNEL(r0, 0x541b, &(0x7f0000002e80)={'gre0\x00', 0x0}) 07:26:04 executing program 4: r0 = socket$inet6(0xa, 0x1, 0x0) getsockopt$inet6_int(r0, 0x29, 0x2, 0x0, &(0x7f00000000c0)) [ 1277.587357][ T573] batman_adv: Cannot find parent device [ 1277.675883][ T577] batman_adv: Cannot find parent device [ 1278.079670][ T592] batman_adv: Cannot find parent device [ 1278.094066][ T592] batman_adv: batadv0: Adding interface: ip6gretap688 [ 1278.101250][ T592] batman_adv: batadv0: The MTU of interface ip6gretap688 is too small (1434) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1278.128289][ T592] batman_adv: batadv0: Not using interface ip6gretap688 (retrying later): interface not active 07:26:04 executing program 3: r0 = syz_open_dev$vcsn(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$vcsn(&(0x7f0000000040), 0x0, 0x0) mmap$IORING_OFF_CQ_RING(&(0x7f0000ffc000/0x4000)=nil, 0x900, 0x0, 0x11, r1, 0x8000000) mmap$IORING_OFF_CQ_RING(&(0x7f0000fee000/0x2000)=nil, 0x2000, 0x0, 0x12, r0, 0x8000000) 07:26:04 executing program 5: r0 = socket(0xa, 0x3, 0x1) ioctl$sock_inet_SIOCADDRT(r0, 0x40086602, 0x0) 07:26:04 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0xee03}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:26:04 executing program 1: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$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, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x60}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:26:04 executing program 4: seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x0, &(0x7f00000001c0)={0x1, &(0x7f0000000240)=[{0x35}]}) 07:26:05 executing program 5: r0 = openat$null(0xffffffffffffff9c, &(0x7f0000001c00), 0x0, 0x0) accept4$tipc(r0, 0x0, 0x0, 0x0) 07:26:05 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000180)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x6a}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x48}}, 0x0) [ 1278.734464][ T605] batman_adv: Cannot find parent device [ 1278.850309][ T608] batman_adv: Cannot find parent device 07:26:05 executing program 3: r0 = socket$inet_tcp(0x2, 0x1, 0x0) ioctl$sock_SIOCADDRT(r0, 0x890b, &(0x7f00000000c0)={0x0, @l2tp={0x2, 0x0, @multicast1}, @nl, @qipcrtr, 0xb3c, 0x0, 0x0, 0x0, 0x2}) 07:26:05 executing program 4: r0 = socket(0x11, 0x3, 0x0) syz_genetlink_get_family_id$devlink(&(0x7f0000000040), r0) 07:26:05 executing program 1: r0 = socket$nl_route(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$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x68}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:26:05 executing program 2: r0 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0xfa03}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) [ 1279.408937][ T619] batman_adv: Cannot find parent device [ 1279.423822][ T619] batman_adv: batadv0: Adding interface: ip6gretap689 [ 1279.430756][ T619] batman_adv: batadv0: The MTU of interface ip6gretap689 is too small (1434) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1279.460913][ T619] batman_adv: batadv0: Not using interface ip6gretap689 (retrying later): interface not active 07:26:06 executing program 5: r0 = socket$inet(0x2, 0xa, 0x0) sendto$inet(r0, 0x0, 0x0, 0x0, &(0x7f0000000080)={0x2, 0x4e21, @broadcast}, 0x10) 07:26:06 executing program 3: r0 = socket(0xa, 0x3, 0x1) setsockopt$IP_VS_SO_SET_ZERO(r0, 0x0, 0x48f, &(0x7f0000000000)={0x11, @rand_addr=0x64010101, 0x4e23, 0x3, 'rr\x00', 0xf, 0x1}, 0x2c) setsockopt$IPT_SO_SET_REPLACE(r0, 0x0, 0x40, &(0x7f00000001c0)=@raw={'raw\x00', 0x9, 0x3, 0x290, 0x0, 0xffffffff, 0xffffffff, 0x0, 0xffffffff, 0x1f8, 0xffffffff, 0xffffffff, 0x1f8, 0xffffffff, 0x3, &(0x7f0000000180), {[{{@uncond, 0x0, 0xb8, 0x120, 0x0, {}, [@common=@socket0={{0x20}}, @inet=@rpfilter={{0x28}, {0x1}}]}, @unspec=@CT1={0x68, 'CT\x00', 0x1, {0x17, 0x6, 0x1ff, 0x0, 'pptp\x00', 'syz0\x00', {0x8}}}}, {{@uncond, 0x0, 0x70, 0xd8}, @unspec=@CT1={0x68, 'CT\x00', 0x1, {0x3, 0x92, 0x8, 0x8, '\x00', 'syz1\x00', {0x1}}}}], {{'\x00', 0x0, 0x70, 0x98}, {0x28}}}}, 0x2f0) setsockopt$inet_MCAST_LEAVE_GROUP(r0, 0x0, 0x2d, &(0x7f00000004c0)={0xffffffff, {{0x2, 0x4e21, @multicast2}}}, 0x88) setsockopt$inet_opts(r0, 0x0, 0x0, &(0x7f0000000100)="219c696d4c95677141c24d30b57a01a3f66a959b0f6fbba274b70f1320ca17dad04bc9d9113554a03bb387c07f4937d4740e794922a056793c42665bb7b8dc7ef395a4d14c74db016164d852f4813efe0e45746de78b609cf86568d3d9eb10e83367023d79e7c15bb4111609de07f6c4a32f9f69a5", 0x75) ioctl$sock_ipv4_tunnel_SIOCDELTUNNEL(r0, 0x5411, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl$sock_inet_SIOCADDRT(r1, 0x890b, &(0x7f0000000080)={0x0, {0x2, 0x4e23, @remote}, {0x2, 0x4e21, @empty}, {0x2, 0x4e22, @broadcast}, 0x227, 0x0, 0x0, 0x0, 0x9e, &(0x7f0000000040)='ip6gretap0\x00', 0x0, 0x7fff, 0x1}) 07:26:06 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000180)={'batadv0\x00', 0x0}) r2 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x6c}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x48}}, 0x0) 07:26:06 executing program 4: socketpair(0x28, 0x1, 0x0, &(0x7f0000000080)) [ 1280.013231][ T631] batman_adv: Cannot find parent device 07:26:06 executing program 1: r0 = socket$nl_route(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$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x6a}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:26:06 executing program 5: add_key(&(0x7f00000000c0)='logon\x00', &(0x7f0000000100)={'syz', 0x2}, &(0x7f0000000140)="c2", 0x1, 0xfffffffffffffffe) [ 1280.526241][ T643] batman_adv: Cannot find parent device [ 1280.540637][ T643] batman_adv: batadv0: Adding interface: ip6gretap690 [ 1280.547906][ T643] batman_adv: batadv0: The MTU of interface ip6gretap690 is too small (1434) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 07:26:07 executing program 2: r0 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0xfc00}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) [ 1280.576022][ T643] batman_adv: batadv0: Not using interface ip6gretap690 (retrying later): interface not active 07:26:07 executing program 4: r0 = socket$inet_tcp(0x2, 0x1, 0x0) sendmsg$inet(r0, &(0x7f00000012c0)={&(0x7f0000000000)={0x2, 0x0, @remote}, 0x10, 0x0}, 0x24040051) 07:26:07 executing program 3: r0 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_80211(r0, 0x4b49, 0x0) [ 1280.906727][ T650] batman_adv: Cannot find parent device [ 1280.995626][ T655] batman_adv: Cannot find parent device 07:26:07 executing program 5: r0 = syz_open_dev$vcsn(&(0x7f0000000000), 0x0, 0x0) mmap$IORING_OFF_CQ_RING(&(0x7f0000ffc000/0x4000)=nil, 0x7fffffffffffffff, 0x0, 0x10, r0, 0x8000000) 07:26:07 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000180)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x74}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x48}}, 0x0) 07:26:07 executing program 1: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$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, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x6c}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:26:08 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0xfc03}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:26:08 executing program 4: r0 = socket(0xa, 0x3, 0x1) ioctl$sock_ipv4_tunnel_SIOCDELTUNNEL(r0, 0x8942, &(0x7f0000002e80)={'gre0\x00', 0x0}) 07:26:08 executing program 3: r0 = syz_open_dev$vcsn(&(0x7f0000000040), 0x0, 0x0) mmap$IORING_OFF_CQ_RING(&(0x7f0000ffc000/0x4000)=nil, 0x4000, 0x0, 0x11, r0, 0x8000000) mmap$IORING_OFF_CQ_RING(&(0x7f0000ffc000/0x4000)=nil, 0x4000, 0x0, 0x12, r0, 0x8000000) [ 1281.751797][ T670] batman_adv: Cannot find parent device [ 1281.767598][ T670] batman_adv: batadv0: Adding interface: ip6gretap691 [ 1281.775129][ T670] batman_adv: batadv0: The MTU of interface ip6gretap691 is too small (1434) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1281.802109][ T670] batman_adv: batadv0: Not using interface ip6gretap691 (retrying later): interface not active [ 1281.930168][ T675] batman_adv: Cannot find parent device 07:26:08 executing program 5: r0 = syz_open_dev$vcsn(&(0x7f0000000000), 0x0, 0x402) write$tcp_mem(r0, &(0x7f0000000040), 0xfffffdef) r1 = openat$hwrng(0xffffffffffffff9c, &(0x7f0000000ec0), 0x0, 0x0) getsockopt$IP6T_SO_GET_REVISION_TARGET(0xffffffffffffffff, 0x29, 0x45, 0x0, 0x0) r2 = syz_open_dev$vcsn(&(0x7f0000000000), 0x0, 0x2) mmap$usbfs(&(0x7f0000ffb000/0x1000)=nil, 0x1000, 0x1000000, 0x80010, r1, 0xfffffffffffffff8) mmap$IORING_OFF_CQ_RING(&(0x7f0000ffb000/0x4000)=nil, 0x4000, 0x0, 0x11, r2, 0x8000000) ioctl$sock_SIOCSIFVLAN_DEL_VLAN_CMD(r2, 0x8983, &(0x7f00000000c0)={0x1, 'veth0_macvtap\x00', {}, 0x7ff}) r3 = openat$hwrng(0xffffffffffffff9c, &(0x7f0000000ec0), 0x0, 0x0) getsockopt$IP6T_SO_GET_REVISION_TARGET(r3, 0x29, 0x45, 0x0, 0x0) r4 = openat$vcsa(0xffffffffffffff9c, &(0x7f0000000100), 0x12040, 0x0) mmap$IORING_OFF_CQ_RING(&(0x7f0000ffb000/0x1000)=nil, 0x1000, 0x1000000, 0x10, r4, 0x8000000) [ 1282.057942][ T679] batman_adv: Cannot find parent device 07:26:08 executing program 1: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$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, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x74}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:26:09 executing program 3: r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$ETHTOOL_MSG_FEATURES_GET(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000001340)=ANY=[@ANYBLOB="14000000cbd227"], 0x14}}, 0x0) recvmsg(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f00000000c0)=[{0x0}, {&(0x7f0000000080)=""/36, 0x24}], 0x2}, 0x0) 07:26:09 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0xfe00}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:26:09 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000180)={'batadv0\x00', 0x0}) r2 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x7a}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x48}}, 0x0) 07:26:09 executing program 4: r0 = socket(0xa, 0x3, 0x1) ioctl$sock_ipv4_tunnel_SIOCDELTUNNEL(r0, 0x8942, &(0x7f0000002e80)={'gre0\x00', 0x0}) 07:26:09 executing program 5: seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x0, &(0x7f0000000080)={0x2, &(0x7f0000000000)=[{0x25}, {}]}) [ 1282.868095][ T696] batman_adv: Cannot find parent device [ 1283.109328][ T705] batman_adv: Cannot find parent device [ 1283.197182][ T706] batman_adv: Cannot find parent device 07:26:09 executing program 3: r0 = syz_open_dev$vcsn(&(0x7f0000000000), 0x0, 0x0) mmap$IORING_OFF_CQ_RING(&(0x7f0000ffc000/0x4000)=nil, 0x4000, 0x0, 0x11, r0, 0x8000000) syz_memcpy_off$IO_URING_METADATA_FLAGS(0x0, 0x0, 0x0, 0x0, 0x4) 07:26:09 executing program 4: r0 = socket(0xa, 0x3, 0x1) ioctl$sock_ipv4_tunnel_SIOCDELTUNNEL(r0, 0x8942, &(0x7f0000002e80)={'gre0\x00', 0x0}) 07:26:09 executing program 1: r0 = socket$nl_route(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$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x7a}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:26:10 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000180)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0xfc}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x48}}, 0x0) 07:26:10 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0xfeff}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:26:10 executing program 5: r0 = socket(0xa, 0x3, 0x1) ioctl$sock_inet_SIOCADDRT(r0, 0x890b, &(0x7f0000000040)={0x0, {0x2, 0x0, @broadcast}, {0x2, 0x0, @broadcast}, {0x2, 0x0, @loopback}, 0x0, 0x0, 0x0, 0xb00}) [ 1283.909523][ T727] batman_adv: Cannot find parent device [ 1284.048305][ T733] batman_adv: Cannot find parent device [ 1284.135987][ T736] batman_adv: Cannot find parent device [ 1284.149350][ T736] batman_adv: batadv0: Adding interface: ip6gretap693 [ 1284.159493][ T736] batman_adv: batadv0: The MTU of interface ip6gretap693 is too small (1434) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1284.187996][ T736] batman_adv: batadv0: Not using interface ip6gretap693 (retrying later): interface not active 07:26:10 executing program 3: timer_create(0x2, 0x0, &(0x7f0000000100)) timer_settime(0x0, 0x0, &(0x7f0000000280), &(0x7f00000002c0)) 07:26:10 executing program 4: r0 = socket(0xa, 0x3, 0x1) ioctl$sock_ipv4_tunnel_SIOCDELTUNNEL(r0, 0x8942, &(0x7f0000002e80)={'gre0\x00', 0x0}) 07:26:10 executing program 5: r0 = syz_open_dev$vcsn(&(0x7f0000000040), 0x0, 0x0) mmap$IORING_OFF_CQ_RING(&(0x7f0000ffc000/0x3000)=nil, 0x3000, 0x0, 0x11, r0, 0x8000000) mmap$IORING_OFF_CQ_RING(&(0x7f0000ffc000/0x4000)=nil, 0x900, 0x0, 0x11, r0, 0x8000000) 07:26:10 executing program 1: r0 = socket$nl_route(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$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xa6}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:26:11 executing program 2: r0 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0xff00}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:26:11 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000180)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0xfe}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x48}}, 0x0) 07:26:11 executing program 3: seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x0, &(0x7f0000000040)={0x1, &(0x7f0000000000)=[{0x34, 0x0, 0x0, 0xfffffffe}]}) [ 1284.966387][ T753] batman_adv: Cannot find parent device 07:26:11 executing program 4: pkey_mprotect(&(0x7f0000ffb000/0x4000)=nil, 0x4000, 0x0, 0xffffffffffffffff) openat$random(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) pkey_mprotect(&(0x7f0000ff4000/0xc000)=nil, 0xc000, 0x0, 0xffffffffffffffff) 07:26:11 executing program 5: sendmsg$ETHTOOL_MSG_RINGS_GET(0xffffffffffffffff, &(0x7f0000000040)={0x0, 0x0, 0x0}, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) ioctl$sock_FIOGETOWN(r0, 0x8903, &(0x7f0000000080)) [ 1285.141675][ T756] batman_adv: Cannot find parent device [ 1285.150422][ T756] device ip6gretap874 entered promiscuous mode 07:26:11 executing program 1: r0 = socket$nl_route(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$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xfc}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:26:12 executing program 2: r0 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0xff0f}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) [ 1285.607708][ T768] batman_adv: Cannot find parent device [ 1285.622492][ T768] batman_adv: batadv0: Adding interface: ip6gretap694 [ 1285.630238][ T768] batman_adv: batadv0: The MTU of interface ip6gretap694 is too small (1434) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 07:26:12 executing program 3: r0 = socket$tipc(0x1e, 0x5, 0x0) ioctl$sock_SIOCGIFCONF(r0, 0x8912, 0x0) [ 1285.656978][ T768] batman_adv: batadv0: Not using interface ip6gretap694 (retrying later): interface not active 07:26:12 executing program 5: mmap$IORING_OFF_SQES(&(0x7f0000ffa000/0x4000)=nil, 0x4000, 0x0, 0x31, 0xffffffffffffffff, 0x10000000) 07:26:12 executing program 4: seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0xc, &(0x7f00000001c0)={0x2, &(0x7f0000000040)=[{0x6}, {0x6}]}) [ 1286.035109][ T776] batman_adv: Cannot find parent device [ 1286.106353][ T780] batman_adv: Cannot find parent device [ 1286.116185][ T780] device ip6gretap875 entered promiscuous mode 07:26:12 executing program 3: r0 = openat$fuse(0xffffffffffffff9c, &(0x7f0000000080), 0x2, 0x0) openat$binder_debug(0xffffffffffffff9c, 0x0, 0x0, 0x0) syz_mount_image$fuse(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f00000000c0)={{'fd', 0x3d, r0}, 0x2c, {'rootmode', 0x3d, 0x1000}}) 07:26:13 executing program 5: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = openat$binder_debug(0xffffffffffffff9c, &(0x7f0000000380)='/sys/kernel/debug/binder/state\x00', 0x0, 0x0) fstat(r1, &(0x7f0000004980)={0x0, 0x0, 0x0, 0x0, 0x0}) sendmmsg$unix(r0, &(0x7f00000022c0)=[{0x0, 0x0, 0x0, 0x0, &(0x7f0000002240)=[@cred={{0x1c, 0x1, 0x2, {0x0, r2}}}], 0x20}], 0x1, 0x0) 07:26:13 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000180)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x48}}, 0x0) 07:26:13 executing program 1: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$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, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xfd}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) [ 1286.619960][ T34] audit: type=1326 audit(1625037973.092:47): auid=4294967295 uid=0 gid=0 ses=4294967295 subj==unconfined pid=790 comm="syz-executor.4" exe="/root/syz-executor.4" sig=31 arch=40000003 syscall=403 compat=1 ip=0xf7efd549 code=0x0 07:26:13 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0xff7f}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) [ 1287.027914][ T803] batman_adv: Cannot find parent device [ 1287.041447][ T803] batman_adv: batadv0: Adding interface: ip6gretap695 [ 1287.048843][ T803] batman_adv: batadv0: The MTU of interface ip6gretap695 is too small (1434) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 07:26:13 executing program 3: r0 = mmap$IORING_OFF_CQ_RING(&(0x7f0000ffb000/0x3000)=nil, 0x3000, 0x5, 0x11032, 0xffffffffffffffff, 0x8000000) syz_io_uring_submit(r0, 0x0, 0x0, 0x0) mmap$IORING_OFF_CQ_RING(&(0x7f0000ffb000/0x3000)=nil, 0x3000, 0x0, 0x11032, 0xffffffffffffffff, 0x8000000) [ 1287.076291][ T803] batman_adv: batadv0: Not using interface ip6gretap695 (retrying later): interface not active [ 1287.174834][ T812] batman_adv: Cannot find parent device [ 1287.215180][ T813] batman_adv: Cannot find parent device [ 1287.224773][ T813] device ip6gretap876 entered promiscuous mode 07:26:13 executing program 5: r0 = socket$nl_generic(0x10, 0x3, 0x10) getsockname$packet(r0, 0x0, &(0x7f00000004c0)) [ 1287.476733][ T34] audit: type=1326 audit(1625037973.952:48): auid=4294967295 uid=0 gid=0 ses=4294967295 subj==unconfined pid=790 comm="syz-executor.4" exe="/root/syz-executor.4" sig=31 arch=40000003 syscall=403 compat=1 ip=0xf7efd549 code=0x0 07:26:14 executing program 4: r0 = openat$sndtimer(0xffffffffffffff9c, &(0x7f00000000c0), 0x0) ioctl$SNDRV_TIMER_IOCTL_GSTATUS(r0, 0xc0505405, &(0x7f0000000100)={{0x1, 0x0, 0x0, 0x3, 0x4}}) 07:26:14 executing program 1: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$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, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x202}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:26:14 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0xfffe}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:26:14 executing program 3: r0 = socket$inet6(0xa, 0x1, 0x0) ioctl$sock_ipv6_tunnel_SIOCCHGPRL(r0, 0x89f7, &(0x7f0000000500)={'ip6tnl0\x00', 0x0}) 07:26:14 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000180)={'batadv0\x00', 0x0}) r2 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x2}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x48}}, 0x0) 07:26:14 executing program 5: r0 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_80211(r0, 0xc020660b, 0x0) [ 1288.329555][ T832] batman_adv: Cannot find parent device [ 1288.377223][ T830] batman_adv: Cannot find parent device [ 1288.386005][ T830] device ip6gretap877 entered promiscuous mode [ 1288.423235][ T835] batman_adv: Cannot find parent device [ 1288.437538][ T835] batman_adv: batadv0: Adding interface: ip6gretap696 [ 1288.444733][ T835] batman_adv: batadv0: The MTU of interface ip6gretap696 is too small (1434) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1288.472125][ T835] batman_adv: batadv0: Not using interface ip6gretap696 (retrying later): interface not active 07:26:15 executing program 4: r0 = openat$dir(0xffffffffffffff9c, &(0x7f0000000040)='.\x00', 0x0, 0x0) ioctl$FS_IOC_ADD_ENCRYPTION_KEY(r0, 0xc020660b, 0x0) 07:26:15 executing program 1: r0 = socket$nl_route(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$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x203}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:26:15 executing program 3: pkey_mprotect(&(0x7f0000ffe000/0x1000)=nil, 0x1000, 0x1000000, 0xffffffffffffffff) 07:26:15 executing program 5: r0 = socket(0xa, 0x3, 0x1) ioctl$sock_inet_SIOCADDRT(r0, 0x890b, &(0x7f0000000040)={0x0, {0x2, 0x0, @broadcast}, {0x2, 0x0, @broadcast}, {0x2, 0x0, @loopback}}) 07:26:15 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x20000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:26:15 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000180)={'batadv0\x00', 0x0}) r2 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x3}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x48}}, 0x0) [ 1289.222594][ T854] batman_adv: Cannot find parent device 07:26:15 executing program 4: socketpair$unix(0x1, 0x3, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) connect$unix(r0, &(0x7f0000000100)=@abs={0x1}, 0x6e) [ 1289.392540][ T861] batman_adv: Cannot find parent device 07:26:15 executing program 3: r0 = socket$inet_udp(0x2, 0x2, 0x0) setsockopt$inet_mreqsrc(r0, 0x0, 0x27, &(0x7f0000000000)={@multicast2, @loopback, @private}, 0xc) 07:26:16 executing program 5: r0 = syz_open_dev$vcsn(&(0x7f0000000000), 0x0, 0x1) mmap$IORING_OFF_CQ_RING(&(0x7f0000ffc000/0x4000)=nil, 0x4000, 0x0, 0x12, r0, 0x8000000) 07:26:16 executing program 1: r0 = socket$nl_route(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$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x20c}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) [ 1289.735079][ T869] batman_adv: Cannot find parent device [ 1289.749713][ T869] batman_adv: batadv0: Adding interface: ip6gretap697 [ 1289.756762][ T869] batman_adv: batadv0: The MTU of interface ip6gretap697 is too small (1434) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1289.784307][ T869] batman_adv: batadv0: Not using interface ip6gretap697 (retrying later): interface not active 07:26:16 executing program 4: r0 = mmap$IORING_OFF_CQ_RING(&(0x7f0000ffb000/0x3000)=nil, 0x3000, 0x5, 0x11032, 0xffffffffffffffff, 0x8000000) syz_io_uring_submit(r0, 0x0, 0x0, 0x0) pkey_mprotect(&(0x7f0000ff9000/0x4000)=nil, 0x4000, 0x2, 0xffffffffffffffff) 07:26:16 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x30000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) [ 1290.217328][ T883] batman_adv: Cannot find parent device 07:26:16 executing program 3: seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x10, 0x0) 07:26:16 executing program 5: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) sendmmsg$unix(r0, &(0x7f0000005fc0)=[{0x0, 0x0, &(0x7f00000023c0)=[{0xffffffffffffffff, 0x8000000000000000}], 0x1}], 0x1, 0x0) 07:26:16 executing program 4: r0 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl$sock_ipv4_tunnel_SIOCADDTUNNEL(r0, 0x89f1, &(0x7f0000000640)={'gretap0\x00', 0x0}) 07:26:17 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000180)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x4}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x48}}, 0x0) [ 1290.606507][ T894] batman_adv: Cannot find parent device 07:26:17 executing program 1: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$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, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x276}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) [ 1290.980338][ T904] batman_adv: Cannot find parent device [ 1290.994777][ T904] batman_adv: batadv0: Adding interface: ip6gretap698 [ 1291.001762][ T904] batman_adv: batadv0: The MTU of interface ip6gretap698 is too small (1434) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 07:26:17 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x3ffff}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) [ 1291.031513][ T904] batman_adv: batadv0: Not using interface ip6gretap698 (retrying later): interface not active 07:26:17 executing program 4: socketpair(0x0, 0x0, 0x0, &(0x7f0000000100)) mmap$IORING_OFF_CQ_RING(&(0x7f0000ffb000/0x3000)=nil, 0x1e713000, 0x0, 0x11032, 0xffffffffffffffff, 0x8000000) 07:26:17 executing program 5: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) sendmmsg$unix(r0, &(0x7f0000005fc0), 0x1, 0x0) 07:26:17 executing program 3: syz_usb_connect$cdc_ecm(0x0, 0x4d, &(0x7f0000000040)={{0x12, 0x1, 0x300, 0x2, 0x0, 0x0, 0x40, 0x525, 0xa4a1, 0x40, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x3b, 0x1, 0x1, 0x0, 0x0, 0x0, [{{0x9, 0x4, 0x0, 0x0, 0x0, 0x2, 0x6, 0x0, 0x0, {{0x5}, {0x5}, {0xd}}}}]}}]}}, 0x0) [ 1291.284676][ T910] batman_adv: Cannot find parent device [ 1291.594427][ T919] batman_adv: Cannot find parent device [ 1291.604184][ T919] device ip6gretap880 entered promiscuous mode 07:26:18 executing program 1: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$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, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x2c0}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:26:18 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000180)={'batadv0\x00', 0x0}) r2 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x5}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x48}}, 0x0) 07:26:18 executing program 5: r0 = socket$inet_tcp(0x2, 0x1, 0x0) ioctl$sock_SIOCADDRT(r0, 0x8918, &(0x7f00000000c0)={0x0, @l2tp={0x2, 0x0, @initdev={0xac, 0x1e, 0x0, 0x0}}, @nl, @qipcrtr}) 07:26:18 executing program 4: select(0x0, 0x0, 0x0, &(0x7f0000000140), &(0x7f00000001c0)) 07:26:18 executing program 2: r0 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x40000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) [ 1292.073176][T32402] usb 4-1: new high-speed USB device number 4 using dummy_hcd [ 1292.225035][ T933] batman_adv: Cannot find parent device [ 1292.328135][ T937] batman_adv: Cannot find parent device [ 1292.343700][ T937] batman_adv: batadv0: Adding interface: ip6gretap699 [ 1292.350787][ T937] batman_adv: batadv0: The MTU of interface ip6gretap699 is too small (1434) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1292.377259][ T937] batman_adv: batadv0: Not using interface ip6gretap699 (retrying later): interface not active 07:26:19 executing program 3: bpf$BPF_PROG_WITH_BTFID_LOAD(0x6, &(0x7f00000002c0)=@bpf_lsm={0x1d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0x1b, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0}, 0x78) [ 1292.728225][ T950] batman_adv: Cannot find parent device [ 1292.753664][T32402] usb 4-1: unable to get BOS descriptor or descriptor too short 07:26:19 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000180)={'batadv0\x00', 0x0}) r2 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x6}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x48}}, 0x0) 07:26:19 executing program 1: r0 = socket$nl_route(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$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x300}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) [ 1292.833359][T32402] usb 4-1: unable to read config index 0 descriptor/start: -71 [ 1292.841939][T32402] usb 4-1: can't read configurations, error -71 07:26:19 executing program 5: r0 = openat$dir(0xffffffffffffff9c, &(0x7f0000000040)='.\x00', 0x0, 0x0) ioctl$FS_IOC_ADD_ENCRYPTION_KEY(r0, 0x6628, 0x0) 07:26:19 executing program 4: r0 = syz_open_dev$loop(&(0x7f0000000000), 0x0, 0x0) r1 = openat$bsg(0xffffffffffffff9c, &(0x7f0000001800), 0x0, 0x0) ioctl$LOOP_SET_FD(r0, 0x4c00, r1) 07:26:19 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x100000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) [ 1293.322586][ T961] batman_adv: Cannot find parent device [ 1293.336172][ T961] batman_adv: batadv0: Adding interface: ip6gretap700 [ 1293.343234][ T961] batman_adv: batadv0: The MTU of interface ip6gretap700 is too small (1434) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1293.373556][ T961] batman_adv: batadv0: Not using interface ip6gretap700 (retrying later): interface not active [ 1293.477526][ T964] batman_adv: Cannot find parent device 07:26:20 executing program 3: r0 = openat$sndtimer(0xffffffffffffff9c, &(0x7f0000000040), 0x0) ioctl$SNDRV_TIMER_IOCTL_NEXT_DEVICE(r0, 0x5460, 0x0) 07:26:20 executing program 4: r0 = socket$inet_udplite(0x2, 0x2, 0x88) sendto$inet(r0, &(0x7f00000006c0)="25d633c97b3543c8b63fa95408c3337bdfd2b142c3247aa059fb4fb6a7ff5dba87d143fe381c80cfa5ca77048b58d6b5a6672516b36433a8ec9ebf3e233aec3a3968285b3c12dd557c9504e615176bff3e3dde462d253f0b1fe908f12c6a4bd0bab6fce5bea5cb1944121a0c0daaaf528c71bcee6cb851559932869bce030f3babfd2ce4dc51aa", 0x87, 0x0, &(0x7f0000000780)={0x2, 0x4e21, @local}, 0x10) 07:26:20 executing program 5: r0 = openat$sndtimer(0xffffffffffffff9c, &(0x7f0000000040), 0x0) ioctl$SNDRV_TIMER_IOCTL_GPARAMS(r0, 0x40485404, &(0x7f00000000c0)={{0x1, 0x0, 0x0, 0x56efd1804a39a0cd}}) [ 1293.822222][ T975] batman_adv: Cannot find parent device 07:26:20 executing program 1: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$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, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x302}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:26:20 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000180)={'batadv0\x00', 0x0}) r2 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x7}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x48}}, 0x0) 07:26:20 executing program 2: r0 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0xe0ffff}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:26:20 executing program 3: r0 = socket$inet_tcp(0x2, 0x1, 0x0) ioctl$sock_SIOCADDRT(r0, 0x890b, &(0x7f00000000c0)={0x0, @l2tp={0x2, 0x0, @multicast1}, @nl, @qipcrtr, 0xb3c}) 07:26:21 executing program 4: mmap$IORING_OFF_CQ_RING(&(0x7f0000ffb000/0x3000)=nil, 0x3000, 0x0, 0x11032, 0xffffffffffffffff, 0x8000000) pkey_mprotect(&(0x7f0000ff9000/0x4000)=nil, 0x4000, 0x0, 0xffffffffffffffff) [ 1294.489048][ T990] batman_adv: Cannot find parent device 07:26:21 executing program 5: socketpair(0x11, 0x3, 0x0, &(0x7f0000000080)) [ 1294.621505][ T994] batman_adv: Cannot find parent device [ 1294.635672][ T994] batman_adv: batadv0: Adding interface: ip6gretap701 [ 1294.642706][ T994] batman_adv: batadv0: The MTU of interface ip6gretap701 is too small (1434) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1294.670323][ T994] batman_adv: batadv0: Not using interface ip6gretap701 (retrying later): interface not active [ 1294.749801][ T993] batman_adv: Cannot find parent device [ 1294.759319][ T993] device ip6gretap883 entered promiscuous mode 07:26:21 executing program 1: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$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, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x3f6}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:26:21 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x1000000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:26:21 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000180)={'batadv0\x00', 0x0}) r2 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x8}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x48}}, 0x0) 07:26:21 executing program 3: r0 = socket$inet_tcp(0x2, 0x1, 0x0) ioctl$sock_SIOCADDRT(r0, 0x890c, &(0x7f00000000c0)={0x0, @l2tp={0x2, 0x0, @initdev={0xac, 0x1e, 0x0, 0x0}}, @nl, @qipcrtr, 0x7}) 07:26:21 executing program 5: seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x0, &(0x7f00000001c0)={0x1, &(0x7f0000000240)=[{0x34}]}) 07:26:21 executing program 4: r0 = socket(0x18, 0x0, 0x2) connect$pppl2tp(r0, &(0x7f0000000440)=@pppol2tpin6={0x18, 0x1, {0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, {0xa, 0x0, 0x0, @ipv4={'\x00', '\xff\xff', @multicast1}}}}, 0x32) [ 1295.475845][ T1013] batman_adv: Cannot find parent device [ 1295.559561][ T1015] batman_adv: Cannot find parent device [ 1295.598365][ T1018] batman_adv: Cannot find parent device 07:26:22 executing program 3: mknodat$loop(0xffffffffffffff9c, &(0x7f0000000000)='./file0\x00', 0x6000, 0x1) openat$dir(0xffffffffffffff9c, &(0x7f0000000100)='./file0\x00', 0x40042, 0x0) 07:26:22 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000180)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x9}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x48}}, 0x0) 07:26:22 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x2000000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:26:22 executing program 5: r0 = openat$sndtimer(0xffffffffffffff9c, &(0x7f0000000040), 0x0) ioctl$SNDRV_TIMER_IOCTL_NEXT_DEVICE(r0, 0x5423, 0x0) 07:26:22 executing program 1: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$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, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x500}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:26:22 executing program 4: r0 = socket$inet6_udplite(0xa, 0x2, 0x88) ioctl$sock_SIOCGIFINDEX_80211(r0, 0x8933, 0x0) [ 1296.368609][ T1036] batman_adv: Cannot find parent device [ 1296.405643][ T1037] batman_adv: Cannot find parent device [ 1296.419702][ T1037] batman_adv: batadv0: Adding interface: ip6gretap703 [ 1296.427254][ T1037] batman_adv: batadv0: The MTU of interface ip6gretap703 is too small (1434) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1296.454556][ T1037] batman_adv: batadv0: Not using interface ip6gretap703 (retrying later): interface not active [ 1296.677618][ T1046] batman_adv: Cannot find parent device 07:26:23 executing program 3: socketpair$unix(0x1, 0x2, 0x0, &(0x7f00000000c0)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = gettid() sendmmsg$unix(r0, &(0x7f0000001280)=[{0x0, 0x0, 0x0, 0x0, &(0x7f0000001240)=[@cred={{0x1c, 0x1, 0x2, {r1}}}], 0x20}], 0x1, 0x0) 07:26:23 executing program 5: r0 = socket(0xa, 0x3, 0x1) ioctl$sock_ipv4_tunnel_SIOCDELTUNNEL(r0, 0x8931, &(0x7f0000002e80)={'gre0\x00', 0x0}) 07:26:23 executing program 4: r0 = socket(0x1, 0x1, 0x0) syz_genetlink_get_family_id$fou(&(0x7f0000000040), r0) 07:26:23 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x3000000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:26:23 executing program 1: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$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, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x600}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:26:23 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000180)={'batadv0\x00', 0x0}) r2 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0xa}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x48}}, 0x0) 07:26:23 executing program 3: seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x0, &(0x7f0000000040)={0x1, &(0x7f0000000000)=[{0x28, 0x0, 0x0, 0xfffffffe}]}) [ 1297.446547][ T1061] batman_adv: Cannot find parent device 07:26:24 executing program 5: socketpair$unix(0x1, 0x2, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) sendmmsg$unix(r0, &(0x7f00000028c0)=[{&(0x7f0000000000)=@file={0x0, './file0\x00'}, 0x2000006e, &(0x7f0000000700), 0x7, &(0x7f00000028c0), 0xf}], 0x1, 0x0) 07:26:24 executing program 4: r0 = syz_usb_connect$cdc_ecm(0x2, 0x4d, &(0x7f0000000040)={{0x12, 0x1, 0x0, 0x2, 0x0, 0x0, 0x40, 0x525, 0xa4a1, 0x40, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x3b, 0x1, 0x1, 0x0, 0x0, 0x0, [{{0x9, 0x4, 0x0, 0x0, 0x2, 0x2, 0x6, 0x0, 0x0, {{0x5}, {0x5}, {0xd}}, {[], {{0x9, 0x5, 0x82, 0x2, 0x40}}, {{0x9, 0x5, 0x3, 0x2, 0x3ff}}}}}]}}]}}, 0x0) syz_usb_control_io$cdc_ecm(r0, 0x0, 0x0) [ 1297.661128][ T1066] batman_adv: Cannot find parent device [ 1297.922176][ T1074] batman_adv: Cannot find parent device [ 1297.936156][ T1074] batman_adv: batadv0: Adding interface: ip6gretap704 [ 1297.943419][ T1074] batman_adv: batadv0: The MTU of interface ip6gretap704 is too small (1434) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1297.970624][ T1074] batman_adv: batadv0: Not using interface ip6gretap704 (retrying later): interface not active 07:26:24 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x4000000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:26:24 executing program 5: pipe(&(0x7f0000000040)) pkey_mprotect(&(0x7f0000ffe000/0x1000)=nil, 0x1000, 0x1000000, 0xffffffffffffffff) 07:26:24 executing program 1: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$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, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x700}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:26:24 executing program 3: r0 = openat$sndtimer(0xffffffffffffff9c, &(0x7f0000000040), 0x0) ioctl$SNDRV_TIMER_IOCTL_NEXT_DEVICE(r0, 0xc0145401, &(0x7f00000000c0)={0x2, 0x0, 0x0, 0x0, 0xfffffff9}) [ 1298.583474][ T7] usb 5-1: new full-speed USB device number 6 using dummy_hcd [ 1298.604818][ T1088] batman_adv: Cannot find parent device 07:26:25 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000180)={'batadv0\x00', 0x0}) r2 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0xb}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x48}}, 0x0) 07:26:25 executing program 5: r0 = socket(0x11, 0xa, 0x0) sendmsg$TIPC_NL_BEARER_ADD(r0, &(0x7f0000000280)={&(0x7f0000000140), 0xc, &(0x7f0000000240)={0x0, 0x90}}, 0x0) [ 1298.753850][ T1093] batman_adv: Cannot find parent device 07:26:25 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x5000000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) [ 1298.954221][ T7] usb 5-1: config 1 interface 0 altsetting 0 endpoint 0x3 has invalid maxpacket 1023, setting to 64 07:26:25 executing program 3: r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$ETHTOOL_MSG_RINGS_GET(r0, &(0x7f0000001780)={0x0, 0x0, 0x0, 0x300}, 0x0) 07:26:25 executing program 1: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$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, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x900}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) [ 1299.129265][ T7] usb 5-1: New USB device found, idVendor=0525, idProduct=a4a1, bcdDevice= 0.40 [ 1299.139513][ T7] usb 5-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 1299.148716][ T7] usb 5-1: Product: syz [ 1299.153216][ T7] usb 5-1: Manufacturer: syz [ 1299.158118][ T7] usb 5-1: SerialNumber: syz [ 1299.204674][ T1101] batman_adv: Cannot find parent device [ 1299.223239][ T1101] batman_adv: batadv0: Adding interface: ip6gretap705 [ 1299.230368][ T1101] batman_adv: batadv0: The MTU of interface ip6gretap705 is too small (1434) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1299.257435][ T1101] batman_adv: batadv0: Not using interface ip6gretap705 (retrying later): interface not active [ 1299.324685][ T1081] raw-gadget gadget: fail, usb_ep_enable returned -22 [ 1299.461104][ T1110] batman_adv: Cannot find parent device 07:26:26 executing program 5: r0 = socket$inet6_udp(0xa, 0x2, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r0, 0x29, 0x20, &(0x7f0000000040)={@loopback, 0x0, 0x1}, 0x20) [ 1299.524980][ T1114] batman_adv: Cannot find parent device 07:26:26 executing program 4: seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x0, &(0x7f00000000c0)={0x2, &(0x7f0000000040)=[{0x1, 0x0, 0x0, 0x3}, {0x6}]}) [ 1299.773831][ T7] cdc_ether: probe of 5-1:1.0 failed with error -71 [ 1299.857053][ T7] usb 5-1: USB disconnect, device number 6 07:26:26 executing program 2: r0 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x6000000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:26:26 executing program 3: r0 = socket$nl_audit(0x10, 0x3, 0x9) sendmsg$AUDIT_USER(r0, &(0x7f00000006c0)={0x0, 0x0, &(0x7f0000000680)={&(0x7f0000000600)={0x10, 0x3e9}, 0x10}}, 0x0) 07:26:26 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000180)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0xc}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x48}}, 0x0) 07:26:26 executing program 5: mknodat$loop(0xffffffffffffff9c, &(0x7f0000000000)='./file0\x00', 0x0, 0x1) linkat(0xffffffffffffff9c, &(0x7f0000000140)='./file0\x00', 0xffffffffffffffff, 0x0, 0x0) 07:26:26 executing program 1: r0 = socket$nl_route(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$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x942}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) [ 1300.306403][ T34] audit: type=1326 audit(1625037986.782:49): auid=4294967295 uid=0 gid=0 ses=4294967295 subj==unconfined pid=1131 comm="syz-executor.4" exe="/root/syz-executor.4" sig=31 arch=40000003 syscall=403 compat=1 ip=0xf7efd549 code=0x0 [ 1300.460163][ T1134] batman_adv: Cannot find parent device [ 1300.519489][ T1137] batman_adv: Cannot find parent device [ 1300.533600][ T1137] batman_adv: batadv0: Adding interface: ip6gretap706 [ 1300.543849][ T1137] batman_adv: batadv0: The MTU of interface ip6gretap706 is too small (1434) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1300.571936][ T1137] batman_adv: batadv0: Not using interface ip6gretap706 (retrying later): interface not active 07:26:27 executing program 5: bpf$BPF_PROG_WITH_BTFID_LOAD(0x5, &(0x7f00000002c0)=@bpf_lsm={0x9, 0x1, &(0x7f0000000000)=@raw=[@exit], &(0x7f0000000040)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0x1b, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0}, 0x78) 07:26:27 executing program 3: r0 = socket$nl_generic(0x10, 0x3, 0x10) getpeername(r0, 0x0, &(0x7f00000002c0)=0xc) [ 1301.053870][ T1148] batman_adv: Cannot find parent device [ 1301.106937][ T34] audit: type=1326 audit(1625037987.582:50): auid=4294967295 uid=0 gid=0 ses=4294967295 subj==unconfined pid=1131 comm="syz-executor.4" exe="/root/syz-executor.4" sig=31 arch=40000003 syscall=403 compat=1 ip=0xf7efd549 code=0x0 07:26:27 executing program 2: r0 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x7000000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:26:27 executing program 4: openat$null(0xffffffffffffff9c, 0x0, 0x600c02, 0x0) 07:26:27 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000180)={'batadv0\x00', 0x0}) r2 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0xd}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x48}}, 0x0) 07:26:27 executing program 1: r0 = socket$nl_route(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$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xa00}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:26:28 executing program 5: r0 = syz_open_dev$loop(&(0x7f00000000c0), 0x0, 0x0) ioctl$LOOP_SET_STATUS(r0, 0x4c02, &(0x7f0000000100)={0x0, {}, 0x0, {}, 0x0, 0x0, 0x0, 0x0, "930bfcdc104d7096bca523a08d56d23021f4edde73422fbf48ad800bddb48d0f791d47a5687c59ee832b638e8939c5833813cc70fc0857550f1f3e3d9769b074", "53e4c85d91b2a74a66eacae3a214ab234ed926d7089d7af2b48cb46a2ff2a0a9"}) 07:26:28 executing program 3: r0 = openat$hwrng(0xffffffffffffff9c, &(0x7f0000000ec0), 0x0, 0x0) read$char_usb(r0, &(0x7f0000000080)=""/4096, 0x1000) [ 1301.610362][ T1160] batman_adv: Cannot find parent device [ 1301.855886][ T1164] batman_adv: Cannot find parent device [ 1301.900737][ T1169] batman_adv: Cannot find parent device [ 1301.918112][ T1169] batman_adv: batadv0: Adding interface: ip6gretap707 [ 1301.925880][ T1169] batman_adv: batadv0: The MTU of interface ip6gretap707 is too small (1434) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1301.953142][ T1169] batman_adv: batadv0: Not using interface ip6gretap707 (retrying later): interface not active 07:26:28 executing program 4: seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x0, &(0x7f00000001c0)={0x1, &(0x7f0000000240)=[{0x74}]}) 07:26:28 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x8000000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:26:28 executing program 1: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$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, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xb00}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:26:28 executing program 5: sendmsg$DEVLINK_CMD_RELOAD(0xffffffffffffffff, &(0x7f00000003c0)={0x0, 0x0, 0x0}, 0x0) io_setup(0x6, &(0x7f0000000080)) 07:26:28 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000180)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0xe}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x48}}, 0x0) 07:26:28 executing program 3: r0 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_80211(r0, 0xc0045878, 0x0) [ 1302.698365][ T1186] batman_adv: Cannot find parent device [ 1302.743861][ T1187] batman_adv: Cannot find parent device 07:26:29 executing program 4: r0 = socket(0xa, 0x3, 0x1) ioctl$sock_inet_SIOCADDRT(r0, 0x8941, &(0x7f0000000040)={0x0, {0x2, 0x0, @broadcast}, {0x2, 0x0, @broadcast}, {0x2, 0x0, @loopback}}) [ 1302.981395][ T1197] batman_adv: Cannot find parent device [ 1302.998713][ T1197] batman_adv: batadv0: Adding interface: ip6gretap708 [ 1303.006789][ T1197] batman_adv: batadv0: The MTU of interface ip6gretap708 is too small (1434) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1303.033766][ T1197] batman_adv: batadv0: Not using interface ip6gretap708 (retrying later): interface not active 07:26:29 executing program 1: r0 = socket$nl_route(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$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xc00}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:26:29 executing program 5: r0 = socket$inet_udp(0x2, 0x2, 0x0) setsockopt$inet_mreqsrc(r0, 0x0, 0x2d, 0x0, 0x0) 07:26:29 executing program 3: r0 = socket(0x10, 0x3, 0x0) recvfrom$unix(r0, 0x0, 0x0, 0xb876ea337318f1dd, 0x0, 0x0) 07:26:29 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x9000000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:26:29 executing program 4: r0 = socket$inet(0x2, 0xa, 0x0) sendto$inet(r0, 0x0, 0x0, 0x0, &(0x7f0000000080)={0x2, 0x0, @broadcast}, 0x10) [ 1303.622507][ T1208] batman_adv: Cannot find parent device 07:26:30 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000180)={'batadv0\x00', 0x0}) r2 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0xf}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x48}}, 0x0) [ 1303.865045][ T1213] batman_adv: Cannot find parent device 07:26:30 executing program 1: r0 = socket$nl_route(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$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xc02}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:26:30 executing program 4: socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) sendmsg(r0, &(0x7f0000000680)={0x0, 0x0, 0x0, 0x0, &(0x7f0000000200)=ANY=[@ANYBLOB="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"], 0x468}, 0x0) 07:26:30 executing program 5: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000400), 0xffffffffffffffff) sendmsg$NL80211_CMD_SET_BEACON(r0, &(0x7f0000000e00)={&(0x7f00000003c0), 0xc, &(0x7f0000000dc0)={&(0x7f0000000e40)={0x84, r1, 0x1, 0x0, 0x0, {{}, {@val={0x8}, @void}}, [@NL80211_ATTR_BEACON_HEAD={0x66, 0xe, {@with_ht={{{}, {}, @device_a, @device_b, @from_mac}}, 0x0, @default, 0x0, @void, @void, @void, @void, @void, @val={0x5, 0x3}, @val={0x25, 0x3}, @val={0x2a, 0x1}, @void, @val={0x2d, 0x1a}, @val={0x72, 0x6}, @val={0x71, 0x7}, @void}}]}, 0x84}}, 0x0) 07:26:30 executing program 3: socketpair$unix(0x1, 0x2, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) syz_mount_image$fuse(0x0, &(0x7f0000000340)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0) sendmmsg$unix(r0, &(0x7f0000004a80)=[{&(0x7f0000000000)=@file={0x1, './file0\x00'}, 0x6e, 0x0}], 0x1, 0x0) 07:26:30 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0xa000000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) [ 1304.361210][ T1224] batman_adv: Cannot find parent device [ 1304.375125][ T1224] batman_adv: batadv0: Adding interface: ip6gretap709 [ 1304.382131][ T1224] batman_adv: batadv0: The MTU of interface ip6gretap709 is too small (1434) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1304.409321][ T1224] batman_adv: batadv0: Not using interface ip6gretap709 (retrying later): interface not active [ 1304.574426][ T1230] batman_adv: Cannot find parent device 07:26:31 executing program 4: r0 = socket(0xa, 0x3, 0x1) ioctl$sock_ipv4_tunnel_SIOCDELTUNNEL(r0, 0x8970, &(0x7f0000002e80)={'gre0\x00', 0x0}) [ 1304.908608][ T1240] batman_adv: Cannot find parent device 07:26:31 executing program 5: r0 = socket(0x18, 0x0, 0x2) getsockname$packet(r0, 0x0, &(0x7f00000001c0)) 07:26:31 executing program 3: r0 = socket$inet_tcp(0x2, 0x1, 0x0) ioctl$sock_SIOCADDRT(r0, 0x8901, &(0x7f00000000c0)={0x0, @l2tp={0x2, 0x0, @initdev={0xac, 0x1e, 0x0, 0x0}}, @nl, @qipcrtr}) 07:26:31 executing program 1: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$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, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xd00}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:26:31 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000180)={'batadv0\x00', 0x0}) r2 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x10}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x48}}, 0x0) 07:26:31 executing program 2: r0 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0xb000000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:26:32 executing program 4: r0 = socket$inet_udp(0x2, 0x2, 0x0) setsockopt$inet_group_source_req(r0, 0x0, 0x2b, 0x0, 0x0) [ 1305.638178][ T1252] batman_adv: Cannot find parent device 07:26:32 executing program 5: r0 = socket(0xa, 0x3, 0x1) ioctl$sock_inet_SIOCADDRT(r0, 0x890b, &(0x7f0000000040)={0x0, {0x2, 0x0, @broadcast}, {0x2, 0x0, @broadcast}, {0x2, 0x0, @loopback}, 0x0, 0x0, 0x0, 0xf00}) [ 1305.749895][ T1257] batman_adv: Cannot find parent device 07:26:32 executing program 3: r0 = syz_open_dev$vcsn(&(0x7f0000000080), 0x0, 0x0) mmap$IORING_OFF_CQ_RING(&(0x7f0000ff9000/0x4000)=nil, 0x4000, 0x0, 0x11, r0, 0x8000000) r1 = syz_open_dev$vcsn(&(0x7f0000000040), 0x0, 0x0) mmap$IORING_OFF_CQ_RING(&(0x7f0000ffc000/0x3000)=nil, 0x3000, 0x0, 0x11, r1, 0x8000000) [ 1305.994930][ T1257] batman_adv: batadv0: Adding interface: ip6gretap710 [ 1306.002280][ T1257] batman_adv: batadv0: The MTU of interface ip6gretap710 is too small (1434) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1306.029247][ T1257] batman_adv: batadv0: Not using interface ip6gretap710 (retrying later): interface not active [ 1306.074608][ T1261] batman_adv: Cannot find parent device 07:26:32 executing program 1: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$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, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xe00}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:26:32 executing program 4: r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$ETHTOOL_MSG_RINGS_GET(r0, &(0x7f0000001780)={0x0, 0x0, &(0x7f0000001740)={0x0}, 0x1, 0x0, 0x4000}, 0x0) 07:26:33 executing program 5: mmap$IORING_OFF_CQ_RING(&(0x7f0000ffb000/0x3000)=nil, 0x3000, 0x5, 0x11032, 0xffffffffffffffff, 0x8000000) pkey_mprotect(&(0x7f0000ff9000/0x4000)=nil, 0x4000, 0x0, 0xffffffffffffffff) mmap$IORING_OFF_CQ_RING(&(0x7f0000ffb000/0x3000)=nil, 0x3000, 0x0, 0x11032, 0xffffffffffffffff, 0x8000000) 07:26:33 executing program 3: r0 = socket(0xa, 0x3, 0x1) ioctl$sock_inet_SIOCADDRT(r0, 0x894c, 0x0) 07:26:33 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000180)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x11}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x48}}, 0x0) 07:26:33 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0xc000000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) [ 1306.976454][ T1279] batman_adv: Cannot find parent device 07:26:33 executing program 4: syz_mount_image$tmpfs(&(0x7f0000000100), &(0x7f0000000140)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000001780)=ANY=[]) [ 1307.221076][ T1288] batman_adv: Cannot find parent device 07:26:33 executing program 3: syz_usb_connect$printer(0x6, 0x36, &(0x7f0000000040)=ANY=[], 0x0) [ 1307.406713][ T1293] batman_adv: Cannot find parent device [ 1307.421213][ T1293] batman_adv: batadv0: Adding interface: ip6gretap711 [ 1307.428547][ T1293] batman_adv: batadv0: The MTU of interface ip6gretap711 is too small (1434) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 07:26:33 executing program 5: r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f00000004c0), 0x0, 0x0) ioctl$LOOP_CTL_ADD(r0, 0x4c80, 0xb) [ 1307.455901][ T1293] batman_adv: batadv0: Not using interface ip6gretap711 (retrying later): interface not active 07:26:34 executing program 1: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$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, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xf00}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:26:34 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0xd000000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) [ 1307.897412][ T1303] batman_adv: Cannot find parent device 07:26:34 executing program 5: r0 = socket(0x1, 0x1, 0x0) ioctl$sock_ipv4_tunnel_SIOCDELTUNNEL(r0, 0x5411, 0x0) 07:26:34 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000180)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x12}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x48}}, 0x0) [ 1308.132297][ T1309] batman_adv: Cannot find parent device 07:26:34 executing program 4: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f00000004c0)={0x0, 0x0, &(0x7f0000000480)={&(0x7f0000000380)=@ipv6_getroute={0x1c, 0x1a, 0x1}, 0x1c}}, 0x0) [ 1308.368372][ T1314] batman_adv: Cannot find parent device [ 1308.381986][ T1314] batman_adv: batadv0: Adding interface: ip6gretap712 [ 1308.389562][ T1314] batman_adv: batadv0: The MTU of interface ip6gretap712 is too small (1434) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 07:26:34 executing program 1: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$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, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x1100}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) [ 1308.416616][ T1314] batman_adv: batadv0: Not using interface ip6gretap712 (retrying later): interface not active [ 1308.568645][ T3129] ieee802154 phy0 wpan0: encryption failed: -22 [ 1308.575470][ T3129] ieee802154 phy1 wpan1: encryption failed: -22 07:26:35 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0xe000000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:26:35 executing program 3: r0 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl$sock_inet_SIOCADDRT(r0, 0x890b, &(0x7f0000000080)={0x0, {0x2, 0x0, @remote}, {0x2, 0x0, @empty}, {0x2, 0x0, @broadcast}, 0x0, 0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)='ip6gretap0\x00', 0x0, 0x7fff, 0x1}) [ 1308.935003][ T1322] batman_adv: Cannot find parent device 07:26:35 executing program 5: r0 = socket$inet_udp(0x2, 0x2, 0x0) setsockopt$inet_mreqsrc(r0, 0x0, 0x16, 0x0, 0x0) 07:26:35 executing program 4: r0 = socket$inet_tcp(0x2, 0x1, 0x0) ioctl$sock_SIOCADDRT(r0, 0x890d, 0x0) 07:26:35 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000180)={'batadv0\x00', 0x0}) r2 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x25}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x48}}, 0x0) [ 1309.268034][ T1333] batman_adv: Cannot find parent device 07:26:35 executing program 1: r0 = socket$nl_route(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$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x1200}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:26:36 executing program 3: mmap$IORING_OFF_CQ_RING(&(0x7f0000fff000/0x1000)=nil, 0x1000, 0x5, 0x11032, 0xffffffffffffffff, 0x8000000) pkey_mprotect(&(0x7f0000ff9000/0x4000)=nil, 0x4000, 0x0, 0xffffffffffffffff) 07:26:36 executing program 5: socketpair(0x2c, 0x3, 0x0, &(0x7f0000000640)) 07:26:36 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0xf000000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) [ 1309.907654][ T1345] batman_adv: Cannot find parent device [ 1309.921108][ T1345] batman_adv: batadv0: Adding interface: ip6gretap713 [ 1309.929077][ T1345] batman_adv: batadv0: The MTU of interface ip6gretap713 is too small (1434) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 07:26:36 executing program 4: syz_usb_connect$cdc_ecm(0x0, 0x56, &(0x7f00000000c0)={{0x12, 0x1, 0x0, 0x2, 0x0, 0x0, 0x40, 0x525, 0xa4a1, 0x40, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x44, 0x1, 0x1, 0x0, 0x0, 0x0, [{{0x9, 0x4, 0x0, 0x0, 0x0, 0x2, 0x6, 0x0, 0x0, {{0x5}, {0x5}, {0xd}}, {[{{0x9, 0x5, 0x81, 0x3, 0x40}}], {}, {{0x9, 0x5, 0x3, 0x2, 0x400}}}}}]}}]}}, 0x0) [ 1309.956563][ T1345] batman_adv: batadv0: Not using interface ip6gretap713 (retrying later): interface not active [ 1310.131402][ T1352] batman_adv: Cannot find parent device 07:26:36 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) sendmmsg$unix(r0, &(0x7f0000005fc0)=[{0x0, 0x0, &(0x7f00000023c0)=[{0xffffffffffffffff, 0x8000000000000000}], 0x300}], 0x1, 0x0) 07:26:36 executing program 1: r0 = socket$nl_route(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$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x2000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) [ 1310.540315][ T1364] batman_adv: Cannot find parent device [ 1310.583329][ T1981] usb 5-1: new high-speed USB device number 7 using dummy_hcd 07:26:37 executing program 5: r0 = socket(0x11, 0x3, 0x0) bind$unix(r0, &(0x7f0000000040)=@file={0x0, './file0\x00'}, 0x6e) 07:26:37 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000180)={'batadv0\x00', 0x0}) r2 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x2f}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x48}}, 0x0) 07:26:37 executing program 2: r0 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x10000000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:26:37 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) ioctl$sock_FIOGETOWN(r0, 0x8903, &(0x7f0000000080)) [ 1310.902673][ T1372] batman_adv: Cannot find parent device [ 1310.999341][ T1981] usb 5-1: config 1 interface 0 altsetting 0 has 3 endpoint descriptors, different from the interface descriptor's value: 0 [ 1311.090993][ T1379] batman_adv: Cannot find parent device [ 1311.105662][ T1379] batman_adv: batadv0: Adding interface: ip6gretap714 [ 1311.113022][ T1379] batman_adv: batadv0: The MTU of interface ip6gretap714 is too small (1434) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1311.140080][ T1379] batman_adv: batadv0: Not using interface ip6gretap714 (retrying later): interface not active 07:26:37 executing program 1: r0 = socket$nl_route(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$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x2500}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:26:37 executing program 5: r0 = socket$inet_udp(0x2, 0x2, 0x0) setsockopt$inet_mreqsrc(r0, 0x0, 0x3, 0x0, 0x0) [ 1311.314091][ T1981] usb 5-1: New USB device found, idVendor=0525, idProduct=a4a1, bcdDevice= 0.40 [ 1311.323858][ T1981] usb 5-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 1311.332106][ T1981] usb 5-1: Product: syz [ 1311.337019][ T1981] usb 5-1: Manufacturer: syz [ 1311.342304][ T1981] usb 5-1: SerialNumber: syz [ 1311.435602][ T1358] raw-gadget gadget: fail, usb_ep_enable returned -22 [ 1311.476022][ T1981] cdc_ether: probe of 5-1:1.0 failed with error -22 [ 1311.578640][ T1390] batman_adv: Cannot find parent device 07:26:38 executing program 3: r0 = socket$inet_udplite(0x2, 0x2, 0x88) sendto$inet(r0, &(0x7f00000006c0)="25d633c97b3543c8b63fa95408c3337bdfd2b142c3247aa059fb4fb6a7ff5dba87d143fe381c80cfa5ca77048b58d6b5a6672516b36433a8ec9ebf3e", 0x3c, 0x0, &(0x7f0000000780)={0x2, 0x4e21, @local}, 0x10) [ 1311.621191][ T1391] batman_adv: Cannot find parent device 07:26:38 executing program 4: r0 = socket$inet_tcp(0x2, 0x1, 0x0) getsockopt$sock_int(r0, 0x1, 0x13, 0x0, &(0x7f0000000080)) [ 1311.902128][ T9241] usb 5-1: USB disconnect, device number 7 07:26:38 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000180)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x3a}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x48}}, 0x0) 07:26:38 executing program 1: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$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, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x2f00}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:26:38 executing program 5: mknodat(0xffffffffffffff9c, &(0x7f00000000c0)='./file0\x00', 0x0, 0x0) unlinkat(0xffffffffffffff9c, &(0x7f0000000900)='./file0/file0\x00', 0x0) 07:26:38 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x11000000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:26:38 executing program 3: io_setup(0x80, &(0x7f0000000000)) [ 1312.513087][ T1411] batman_adv: Cannot find parent device [ 1312.530507][ T1411] batman_adv: batadv0: Adding interface: ip6gretap715 [ 1312.537542][ T1411] batman_adv: batadv0: The MTU of interface ip6gretap715 is too small (1434) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1312.565028][ T1411] batman_adv: batadv0: Not using interface ip6gretap715 (retrying later): interface not active 07:26:39 executing program 4: r0 = openat$hwrng(0xffffffffffffff9c, &(0x7f0000000ec0), 0x0, 0x0) mmap$IORING_OFF_CQ_RING(&(0x7f0000fff000/0x1000)=nil, 0x1000, 0x0, 0x100010, r0, 0x8000000) r1 = syz_open_dev$vcsn(&(0x7f0000000000), 0x0, 0x0) mmap$IORING_OFF_CQ_RING(&(0x7f0000ffc000/0x4000)=nil, 0x4000, 0x0, 0x11, r1, 0x8000000) [ 1312.833265][ T1420] batman_adv: Cannot find parent device [ 1312.889738][ T1421] batman_adv: Cannot find parent device 07:26:39 executing program 5: r0 = socket(0x11, 0x3, 0x0) connect$unix(r0, &(0x7f0000000000)=@file={0x0, './file0\x00'}, 0x6e) 07:26:39 executing program 1: r0 = socket$nl_route(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$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x3a00}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:26:39 executing program 2: r0 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x12000000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:26:39 executing program 3: pselect6(0x40, &(0x7f0000000000), 0x0, &(0x7f0000000080)={0x100000000}, &(0x7f00000000c0)={0x77359400}, 0x0) 07:26:40 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000180)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x48}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x48}}, 0x0) 07:26:40 executing program 4: r0 = socket(0x11, 0xa, 0x0) sendmsg$TIPC_NL_SOCK_GET(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={0x0}}, 0x0) 07:26:40 executing program 5: bpf$MAP_CREATE(0x0, &(0x7f00000000c0)={0x5, 0x0, 0x0, 0x0, 0x8a}, 0x40) [ 1313.922029][ T1440] batman_adv: Cannot find parent device [ 1314.064898][ T1445] batman_adv: Cannot find parent device [ 1314.334506][ T1451] batman_adv: Cannot find parent device [ 1314.348590][ T1451] batman_adv: batadv0: Adding interface: ip6gretap716 [ 1314.356077][ T1451] batman_adv: batadv0: The MTU of interface ip6gretap716 is too small (1434) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1314.386268][ T1451] batman_adv: batadv0: Not using interface ip6gretap716 (retrying later): interface not active 07:26:40 executing program 3: r0 = syz_open_dev$vcsn(&(0x7f0000000000), 0x0, 0x0) mmap$IORING_OFF_CQ_RING(&(0x7f0000ffd000/0x2000)=nil, 0x2000, 0x0, 0x11, r0, 0x8000000) r1 = syz_open_dev$vcsn(&(0x7f0000000040), 0x0, 0x0) mmap$IORING_OFF_CQ_RING(&(0x7f0000ffc000/0x4000)=nil, 0x300, 0x0, 0x11, r1, 0x8000000) 07:26:41 executing program 1: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$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, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x3f00}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:26:41 executing program 4: io_setup(0x6, &(0x7f0000000080)=0x0) r1 = openat$null(0xffffffffffffff9c, &(0x7f0000001c00), 0x0, 0x0) io_submit(r0, 0x1, &(0x7f0000000200)=[&(0x7f0000000080)={0x0, 0x0, 0x0, 0x8, 0x0, r1, 0x0}]) 07:26:41 executing program 2: r0 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x20000000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:26:41 executing program 5: r0 = openat$sndtimer(0xffffffffffffff9c, &(0x7f0000000040), 0x0) ioctl$SNDRV_TIMER_IOCTL_NEXT_DEVICE(r0, 0x5421, &(0x7f0000000000)) [ 1315.153308][ T1464] batman_adv: Cannot find parent device 07:26:41 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$IEEE802154_SET_MACPARAMS(r0, &(0x7f00000000c0)={0xffffffffffffffff, 0x0, &(0x7f0000000080)={0x0, 0x33fe0}}, 0x0) [ 1315.333153][ T1470] batman_adv: Cannot find parent device 07:26:41 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000180)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x4a}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x48}}, 0x0) 07:26:42 executing program 4: r0 = socket$inet_tcp(0x2, 0x1, 0x0) ioctl$sock_SIOCADDRT(r0, 0x890b, &(0x7f00000000c0)={0x0, @l2tp={0x2, 0x0, @multicast1}, @nl, @qipcrtr, 0xb3c, 0x0, 0x7601}) 07:26:42 executing program 1: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$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, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x4000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:26:42 executing program 5: r0 = socket(0x11, 0x3, 0x0) sendmsg$SEG6_CMD_GET_TUNSRC(0xffffffffffffffff, &(0x7f0000000100)={0x0, 0x0, 0x0}, 0x0) ioctl$sock_SIOCOUTQ(r0, 0x5411, &(0x7f0000000140)) 07:26:42 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x22010000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) [ 1316.344209][ T1487] batman_adv: Cannot find parent device [ 1316.358379][ T1487] batman_adv: batadv0: Adding interface: ip6gretap717 [ 1316.365579][ T1487] batman_adv: batadv0: The MTU of interface ip6gretap717 is too small (1434) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1316.392511][ T1487] batman_adv: batadv0: Not using interface ip6gretap717 (retrying later): interface not active [ 1316.467696][ T1488] batman_adv: Cannot find parent device 07:26:43 executing program 3: r0 = add_key$keyring(&(0x7f0000000000), &(0x7f0000000040)={'syz', 0x0}, 0x0, 0x0, 0xfffffffffffffffb) keyctl$link(0xb, r0, 0x0) 07:26:43 executing program 4: seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x0, &(0x7f0000000080)={0x2, &(0x7f0000000000)=[{0x64}, {}]}) [ 1316.735133][ T1497] batman_adv: Cannot find parent device 07:26:43 executing program 1: r0 = socket$nl_route(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$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x4209}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:26:43 executing program 5: openat$tun(0xffffffffffffff9c, &(0x7f0000000000), 0x8401, 0x0) 07:26:43 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x2325d5d6}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:26:43 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000180)={'batadv0\x00', 0x0}) r2 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x4c}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x48}}, 0x0) [ 1317.521779][ T1509] batman_adv: Cannot find parent device 07:26:44 executing program 3: r0 = socket(0xa, 0x3, 0x1) ioctl$sock_inet_SIOCADDRT(r0, 0x89a0, &(0x7f0000000040)={0x0, {0x2, 0x0, @broadcast}, {0x2, 0x0, @broadcast}, {0x2, 0x0, @loopback}}) 07:26:44 executing program 4: sendmsg$NL80211_CMD_DEL_PMKSA(0xffffffffffffffff, 0x0, 0x200080d0) clone(0x4810c080, &(0x7f0000000240)="ff0505390695213f78b056d55142732edc8f505964292ab32ffde71c79e61a755fc800021db06df29b3353a9a2156fdec590cbec25a49858bd98601eb35d4b6ca348fe238ced987737bae4b0637af5cd0b49ca6951b67bdfdc9416852ff7e550aa892189c6f338a43b773e7814eff325f3bc3d555ec899f65e0331ff91be175df693fbf41bf3dc5da1f6daad55b4d58888c57b4e2eacf38bb001b850ac070dda69dc776fcb57cd0ffb0757c4d8", 0x0, &(0x7f0000000080), &(0x7f0000000340)="fc160c333720bffcab07f3ff24fb09bd7ff48319fbbd8185c132ed846b2cf54218fbbd1dbbaa8b398d6e3276cae9603941515a35c478bab73ddbb7ae437a42a5e8a75c01d74b2a5d21671f8cd37c99e8c2ae474d79db24b65fdc4153ceba5c7bf614cb2fe9af64897900dd9da32186eb3753ee622716f35de45c3192a0c1a54020bdcc6f95b0167d4bc2ef93c3ebfd4d208517b698791e4254e1310ad532c90d691065f7dee1d1149d9269e5f1b8e1028dd9b47f003aed82610527cb7c5ab4733d09cf1984dc988d87d591c1eebab70c195f3b6dc4a41bdf59") 07:26:44 executing program 5: r0 = socket(0xa, 0x3, 0x1) ioctl$sock_ipv4_tunnel_SIOCDELTUNNEL(r0, 0x89f2, &(0x7f0000002e80)={'ip_vti0\x00', 0x0}) 07:26:44 executing program 1: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$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, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x4788}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) [ 1318.033159][ T1518] batman_adv: Cannot find parent device [ 1318.041839][ T1518] device ip6gretap904 entered promiscuous mode [ 1318.266054][ T1521] batman_adv: Cannot find parent device [ 1318.280999][ T1521] batman_adv: batadv0: Adding interface: ip6gretap718 [ 1318.288360][ T1521] batman_adv: batadv0: The MTU of interface ip6gretap718 is too small (1434) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1318.316141][ T1521] batman_adv: batadv0: Not using interface ip6gretap718 (retrying later): interface not active [ 1318.649833][ T1531] IPVS: ftp: loaded support on port[0] = 21 07:26:45 executing program 5: r0 = syz_open_dev$vcsn(&(0x7f0000000000), 0x0, 0x0) mmap$IORING_OFF_CQ_RING(&(0x7f0000ffc000/0x4000)=nil, 0x4000, 0x2, 0x11, r0, 0x8000000) [ 1318.746782][ T1532] batman_adv: Cannot find parent device 07:26:45 executing program 3: bpf$BPF_PROG_WITH_BTFID_LOAD(0x10, &(0x7f00000002c0)=@bpf_lsm={0x1d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0x1b, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0}, 0x78) 07:26:45 executing program 2: r0 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x25000000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:26:45 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000180)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x60}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x48}}, 0x0) 07:26:45 executing program 1: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$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, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x4800}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) [ 1319.461700][ T1560] IPVS: ftp: loaded support on port[0] = 21 [ 1319.748876][ T1564] batman_adv: Cannot find parent device 07:26:46 executing program 5: pkey_mprotect(&(0x7f0000ff9000/0x4000)=nil, 0x4000, 0x0, 0xffffffffffffffff) pkey_mprotect(&(0x7f0000ffb000/0x3000)=nil, 0x3000, 0x1000001, 0xffffffffffffffff) [ 1319.868911][ T1589] batman_adv: Cannot find parent device [ 1319.883140][ T1589] batman_adv: batadv0: Adding interface: ip6gretap719 [ 1319.890475][ T1589] batman_adv: batadv0: The MTU of interface ip6gretap719 is too small (1434) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 07:26:46 executing program 3: r0 = socket$inet_udplite(0x2, 0x2, 0x88) sendto$inet(r0, &(0x7f00000006c0)="25d633c97b3543c8b63fa95408c3337bdfd2b142c3247aa059fb4fb6a7ff5dba87d143fe381c80cfa5ca77048b58d6b5a6672516b36433a8ec9ebf3e233aec3a3968285b3c12dd557c9504e615176bff3e3dde46", 0x54, 0x0, &(0x7f0000000780)={0x2, 0x4e21, @local}, 0x10) [ 1319.917216][ T1589] batman_adv: batadv0: Not using interface ip6gretap719 (retrying later): interface not active 07:26:46 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x2f000000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) [ 1320.237847][ T1595] batman_adv: Cannot find parent device 07:26:47 executing program 5: r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$ETHTOOL_MSG_RINGS_GET(r0, &(0x7f0000001780)={&(0x7f0000001580), 0xc, &(0x7f0000001740)={&(0x7f00000016c0)={0x14}, 0x14}, 0x8}, 0x0) [ 1320.851369][ T1610] batman_adv: Cannot find parent device 07:26:47 executing program 4: openat$tun(0xffffffffffffff9c, &(0x7f0000000080), 0x1, 0x0) 07:26:47 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000180)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x68}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x48}}, 0x0) 07:26:47 executing program 3: r0 = socket$inet_tcp(0x2, 0x1, 0x0) ioctl$sock_SIOCADDRT(r0, 0x890c, &(0x7f00000000c0)={0x0, @l2tp={0x2, 0x0, @multicast1}, @nl, @qipcrtr, 0xb3c}) 07:26:47 executing program 1: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$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, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x4888}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:26:47 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x34010000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) [ 1321.439756][ T1618] batman_adv: Cannot find parent device [ 1321.454754][ T1618] batman_adv: batadv0: Adding interface: ip6gretap720 [ 1321.462141][ T1618] batman_adv: batadv0: The MTU of interface ip6gretap720 is too small (1434) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1321.491060][ T1618] batman_adv: batadv0: Not using interface ip6gretap720 (retrying later): interface not active 07:26:48 executing program 5: r0 = socket(0xa, 0x3, 0x1) getsockopt$inet6_IPV6_IPSEC_POLICY(r0, 0x3a, 0x22, 0x0, 0x0) [ 1321.754073][ T1625] batman_adv: Cannot find parent device 07:26:48 executing program 3: r0 = socket$inet_tcp(0x2, 0x1, 0x0) ioctl$sock_SIOCADDRT(r0, 0x890c, &(0x7f00000000c0)={0x0, @l2tp={0x2, 0x0, @multicast1}, @nl, @qipcrtr, 0xb3c}) 07:26:48 executing program 4: r0 = syz_open_dev$vcsn(&(0x7f0000000000), 0x0, 0x0) read$usbfs(r0, &(0x7f0000000140)=""/165, 0xa5) [ 1322.073747][ T1630] batman_adv: Cannot find parent device 07:26:48 executing program 1: r0 = socket$nl_route(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$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x4a00}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:26:48 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000180)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x6a}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x48}}, 0x0) 07:26:49 executing program 5: r0 = add_key$keyring(&(0x7f0000000140), &(0x7f0000000180)={'syz', 0x0}, 0x0, 0x0, 0xfffffffffffffffc) add_key$fscrypt_v1(&(0x7f0000000040), &(0x7f0000000080)={'fscrypt:', @desc2}, &(0x7f00000000c0)={0x0, "89b01cb6d7c560befa66f94176f0ac0b303dec3191c2617637ab7242c20e7f175ba91654858f563b16b098c652ec8c96124e34190b7aaa77c912dfd4ef3f866b"}, 0x48, r0) 07:26:49 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x3a000000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:26:49 executing program 4: seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x0, &(0x7f0000000080)={0x2, &(0x7f0000000000)=[{}, {0x45}]}) [ 1322.788766][ T1646] batman_adv: Cannot find parent device 07:26:49 executing program 3: r0 = socket$inet_tcp(0x2, 0x1, 0x0) ioctl$sock_SIOCADDRT(r0, 0x890c, &(0x7f00000000c0)={0x0, @l2tp={0x2, 0x0, @multicast1}, @nl, @qipcrtr, 0xb3c}) 07:26:49 executing program 1: r0 = socket$nl_route(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$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x4c00}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) [ 1323.174945][ T1653] batman_adv: Cannot find parent device [ 1323.190519][ T1653] batman_adv: batadv0: Adding interface: ip6gretap721 [ 1323.197617][ T1653] batman_adv: batadv0: The MTU of interface ip6gretap721 is too small (1434) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1323.224566][ T1653] batman_adv: batadv0: Not using interface ip6gretap721 (retrying later): interface not active 07:26:49 executing program 5: syz_genetlink_get_family_id$devlink(0x0, 0xffffffffffffffff) fork() [ 1323.424936][ T1658] batman_adv: Cannot find parent device [ 1323.828136][ T1670] batman_adv: Cannot find parent device 07:26:50 executing program 4: syz_usb_connect$printer(0x2, 0x2d, &(0x7f0000000000)={{0x12, 0x1, 0x0, 0x0, 0x0, 0x0, 0x40, 0x525, 0xa4a8, 0x40, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x1b, 0x1, 0x1, 0x0, 0x0, 0x0, [{{0x9, 0x4, 0x0, 0x0, 0x0, 0x7, 0x1, 0x0, 0x0, "", {{{0x9, 0x5, 0x1, 0x2, 0x20}}}}}]}}]}}, 0x0) 07:26:50 executing program 2: r0 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x3f000000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:26:50 executing program 3: r0 = socket$inet_tcp(0x2, 0x1, 0x0) ioctl$sock_SIOCADDRT(r0, 0x890c, &(0x7f00000000c0)={0x0, @l2tp={0x2, 0x0, @multicast1}, @nl, @qipcrtr, 0xb3c}) 07:26:50 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000180)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x6c}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x48}}, 0x0) 07:26:50 executing program 5: r0 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_ipv4_tunnel_SIOCDELTUNNEL(r0, 0x89f2, &(0x7f0000002340)={'tunl0\x00', 0x0}) 07:26:50 executing program 1: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$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, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x5865}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) [ 1324.640305][ T1682] batman_adv: Cannot find parent device [ 1324.806744][ T1689] batman_adv: Cannot find parent device [ 1324.821036][ T1689] batman_adv: batadv0: Adding interface: ip6gretap722 [ 1324.829042][ T1689] batman_adv: batadv0: The MTU of interface ip6gretap722 is too small (1434) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1324.855799][ T1689] batman_adv: batadv0: Not using interface ip6gretap722 (retrying later): interface not active [ 1324.870811][ T4705] usb 5-1: new full-speed USB device number 8 using dummy_hcd 07:26:51 executing program 3: r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$ETHTOOL_MSG_RINGS_GET(r0, &(0x7f0000001780)={&(0x7f0000001580), 0xc, &(0x7f0000001740)={&(0x7f00000016c0)={0x14}, 0xfffffdef}}, 0x0) [ 1325.122257][ T1700] batman_adv: Cannot find parent device 07:26:51 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x40000000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) [ 1325.275079][ T4705] usb 5-1: config 1 interface 0 altsetting 0 has 1 endpoint descriptor, different from the interface descriptor's value: 0 07:26:52 executing program 5: openat$tun(0xffffffffffffff9c, &(0x7f0000000000), 0xa4040, 0x0) [ 1325.494363][ T4705] usb 5-1: New USB device found, idVendor=0525, idProduct=a4a8, bcdDevice= 0.40 [ 1325.504473][ T4705] usb 5-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 1325.513453][ T4705] usb 5-1: Product: syz [ 1325.517842][ T4705] usb 5-1: Manufacturer: syz [ 1325.523224][ T4705] usb 5-1: SerialNumber: syz 07:26:52 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) sendmmsg$unix(r0, &(0x7f0000005fc0)=[{0x0, 0x0, &(0x7f00000023c0)=[{0xffffffffffffffff}], 0x300}], 0x1, 0x0) 07:26:52 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000180)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x74}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x48}}, 0x0) 07:26:52 executing program 1: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$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, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x6000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) [ 1325.892213][ T1716] batman_adv: Cannot find parent device 07:26:52 executing program 4: r0 = socket$inet(0x2, 0x3, 0x80) ioctl$sock_SIOCGIFINDEX_80211(r0, 0x8933, 0x0) [ 1326.122754][ T4705] usb 5-1: USB disconnect, device number 8 [ 1326.353305][ T1730] batman_adv: Cannot find parent device [ 1326.368749][ T1730] batman_adv: batadv0: Adding interface: ip6gretap723 [ 1326.376055][ T1730] batman_adv: batadv0: The MTU of interface ip6gretap723 is too small (1434) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 07:26:52 executing program 5: r0 = socket(0x11, 0x3, 0x0) getsockopt$inet6_IPV6_IPSEC_POLICY(r0, 0x29, 0x22, 0x0, 0x0) 07:26:52 executing program 3: socketpair(0x2, 0xa, 0x0, &(0x7f0000004640)) [ 1326.402683][ T1730] batman_adv: batadv0: Not using interface ip6gretap723 (retrying later): interface not active 07:26:52 executing program 2: r0 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x48000000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) [ 1326.515813][ T1731] batman_adv: Cannot find parent device [ 1326.972712][ T1743] batman_adv: Cannot find parent device 07:26:53 executing program 1: r0 = socket$nl_route(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$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x6558}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:26:53 executing program 4: r0 = socket$inet_udplite(0x2, 0x2, 0x88) setsockopt$inet_udp_encap(r0, 0x11, 0x64, &(0x7f0000000140)=0x1, 0x4) 07:26:53 executing program 5: r0 = openat$dir(0xffffffffffffff9c, &(0x7f0000000040)='.\x00', 0x0, 0x0) syz_mount_image$fuse(&(0x7f0000000240), &(0x7f0000000280)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000600)={{}, 0x2c, {}, 0x2c, {}, 0x2c, {'group_id', 0x3d, 0xee01}}) unlinkat(r0, &(0x7f0000000000)='./file0\x00', 0x200) 07:26:53 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000180)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x7a}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x48}}, 0x0) 07:26:53 executing program 3: bpf$BPF_PROG_WITH_BTFID_LOAD(0x8, &(0x7f00000002c0)=@bpf_lsm={0x1d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0x1b, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0}, 0x78) 07:26:54 executing program 2: r0 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x4a000000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) [ 1327.741613][ T1754] fuse: Bad value for 'fd' [ 1327.759756][ T1755] batman_adv: Cannot find parent device [ 1328.053299][ T1763] batman_adv: Cannot find parent device [ 1328.068305][ T1763] batman_adv: batadv0: Adding interface: ip6gretap724 [ 1328.075497][ T1763] batman_adv: batadv0: The MTU of interface ip6gretap724 is too small (1434) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1328.102471][ T1763] batman_adv: batadv0: Not using interface ip6gretap724 (retrying later): interface not active 07:26:54 executing program 5: io_setup(0x6, &(0x7f0000000080)) io_setup(0x80, &(0x7f0000000000)) 07:26:54 executing program 4: r0 = socket$nl_generic(0x10, 0x3, 0x10) recvmsg(r0, &(0x7f0000000740)={0x0, 0x0, 0x0}, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f00000007c0), r0) 07:26:54 executing program 1: r0 = socket$nl_route(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$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x6800}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:26:54 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NL802154_CMD_SET_CHANNEL(r0, 0x0, 0x0) syz_genetlink_get_family_id$nl802154(&(0x7f0000000040), 0xffffffffffffffff) [ 1328.390864][ T1769] batman_adv: Cannot find parent device [ 1328.865885][ T1781] batman_adv: Cannot find parent device 07:26:55 executing program 5: syz_io_uring_submit(0x0, 0x0, 0x0, 0x0) syz_usb_connect$printer(0x0, 0x2d, &(0x7f0000000040)={{0x12, 0x1, 0x0, 0x0, 0x0, 0x0, 0x40, 0x525, 0xa4a8, 0x40, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x1b, 0x1}}]}}, 0x0) 07:26:55 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000180)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0xfc}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x48}}, 0x0) 07:26:55 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x4c000000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:26:55 executing program 4: r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$ETHTOOL_MSG_RINGS_GET(r0, &(0x7f0000001780)={0x0, 0x0, &(0x7f0000001740)={0x0}, 0x1, 0x0, 0x445}, 0x0) 07:26:55 executing program 3: io_setup(0x80, &(0x7f0000000000)=0x0) io_submit(r0, 0x0, 0x0) 07:26:55 executing program 1: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$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, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x6a00}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) [ 1329.573297][ T1794] batman_adv: Cannot find parent device [ 1329.609799][ T1795] batman_adv: Cannot find parent device [ 1329.802858][ T1806] batman_adv: Cannot find parent device 07:26:56 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x60000000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:26:56 executing program 4: r0 = socket(0xa, 0x3, 0x1) ioctl$sock_ipv4_tunnel_SIOCDELTUNNEL(r0, 0x2, &(0x7f0000002e80)={'gre0\x00', 0x0}) 07:26:56 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000180)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0xfe}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x48}}, 0x0) 07:26:56 executing program 3: r0 = socket(0x11, 0x3, 0x0) ioctl$sock_ipv6_tunnel_SIOCADDTUNNEL(r0, 0x89f1, &(0x7f00000001c0)={'ip6gre0\x00', &(0x7f0000000140)={'ip6gre0\x00', 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @loopback, @ipv4={'\x00', '\xff\xff', @multicast2}, 0x1}}) 07:26:56 executing program 5: mknodat$loop(0xffffffffffffff9c, &(0x7f0000000000)='./file0\x00', 0x0, 0x1) openat$dir(0xffffffffffffff9c, &(0x7f0000000040)='./file0/file0\x00', 0x0, 0x0) 07:26:56 executing program 1: r0 = socket$nl_route(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$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x6c00}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) [ 1330.286232][ T1813] batman_adv: Cannot find parent device [ 1330.514737][ T1823] batman_adv: Cannot find parent device [ 1330.528667][ T1823] batman_adv: batadv0: Adding interface: ip6gretap726 [ 1330.535847][ T1823] batman_adv: batadv0: The MTU of interface ip6gretap726 is too small (1434) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 07:26:57 executing program 4: r0 = socket(0x18, 0x0, 0x1) setsockopt$inet_MCAST_LEAVE_GROUP(r0, 0x0, 0x2d, 0x0, 0x0) [ 1330.565722][ T1823] batman_adv: batadv0: Not using interface ip6gretap726 (retrying later): interface not active 07:26:57 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$IEEE802154_SET_MACPARAMS(r0, &(0x7f00000000c0)={0xffffffffffffffff, 0xf, &(0x7f0000000080)={0x0}}, 0x0) 07:26:57 executing program 5: bpf$PROG_LOAD(0x5, &(0x7f0000000800)={0x8, 0x1, &(0x7f0000000380)=@raw=[@jmp], &(0x7f00000003c0)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0x0, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0}, 0x78) [ 1330.798287][ T1829] batman_adv: Cannot find parent device 07:26:57 executing program 2: r0 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x65580000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:26:57 executing program 1: r0 = socket$nl_route(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$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x7400}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:26:57 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000180)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x10f}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x48}}, 0x0) 07:26:57 executing program 4: r0 = timerfd_create(0x7, 0x0) clock_gettime(0x0, &(0x7f0000000140)={0x0, 0x0}) timerfd_settime(r0, 0x0, &(0x7f0000000180)={{}, {0x0, r1+10000000}}, 0x0) [ 1331.455243][ T1842] batman_adv: Cannot find parent device 07:26:58 executing program 3: r0 = syz_open_dev$vcsn(&(0x7f0000000000), 0x1, 0x402) write$tcp_mem(r0, &(0x7f0000000040), 0x48) 07:26:58 executing program 5: clock_getres(0x15f02179d6b3f49f, 0x0) [ 1331.729879][ T1848] batman_adv: Cannot find parent device [ 1331.743137][ T1848] batman_adv: batadv0: Adding interface: ip6gretap727 [ 1331.750223][ T1848] batman_adv: batadv0: The MTU of interface ip6gretap727 is too small (1434) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1331.776981][ T1848] batman_adv: batadv0: Not using interface ip6gretap727 (retrying later): interface not active 07:26:58 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x68000000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) [ 1331.822296][ T1853] batman_adv: Cannot find parent device 07:26:58 executing program 1: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$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, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x7602}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:26:58 executing program 4: r0 = syz_open_dev$vcsn(&(0x7f0000000180), 0x0, 0x0) mmap$IORING_OFF_CQ_RING(&(0x7f0000ffd000/0x2000)=nil, 0x2000, 0x0, 0x11, r0, 0x8000000) r1 = syz_open_dev$vcsn(&(0x7f0000000040), 0x0, 0x0) mmap$IORING_OFF_CQ_RING(&(0x7f0000ffc000/0x2000)=nil, 0x2000, 0x0, 0x11, r1, 0x8000000) [ 1332.156144][ T1865] batman_adv: Cannot find parent device 07:26:58 executing program 5: r0 = syz_open_dev$vcsn(&(0x7f0000000000), 0xff, 0x402) write$tcp_mem(r0, &(0x7f0000000040), 0xfffffdef) 07:26:58 executing program 3: mmap$IORING_OFF_CQ_RING(&(0x7f0000ffb000/0x4000)=nil, 0x4000, 0x5, 0x11032, 0xffffffffffffffff, 0x8000000) mmap$IORING_OFF_CQ_RING(&(0x7f0000ffb000/0x3000)=nil, 0x3000, 0x5, 0x11032, 0xffffffffffffffff, 0x8000000) 07:26:58 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000180)={'batadv0\x00', 0x0}) r2 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x210}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x48}}, 0x0) [ 1332.533690][ T1872] batman_adv: Cannot find parent device 07:26:59 executing program 2: r0 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x6a000000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:26:59 executing program 4: r0 = socket$inet_tcp(0x2, 0x1, 0x0) ioctl$sock_SIOCADDRT(r0, 0x890b, &(0x7f00000000c0)={0x0, @l2tp={0x2, 0x0, @loopback}, @vsock, @qipcrtr, 0xb3c}) 07:26:59 executing program 1: r0 = socket$nl_route(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$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x7a00}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) [ 1333.006188][ T1885] batman_adv: Cannot find parent device [ 1333.021164][ T1885] batman_adv: batadv0: Adding interface: ip6gretap728 [ 1333.028564][ T1885] batman_adv: batadv0: The MTU of interface ip6gretap728 is too small (1434) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1333.055718][ T1885] batman_adv: batadv0: Not using interface ip6gretap728 (retrying later): interface not active 07:26:59 executing program 3: r0 = add_key$keyring(&(0x7f0000000000), &(0x7f0000000040)={'syz', 0x0}, 0x0, 0x0, 0xfffffffffffffffb) r1 = add_key$keyring(&(0x7f0000000140), &(0x7f0000000180)={'syz', 0x0}, 0x0, 0x0, 0xfffffffffffffffc) keyctl$link(0x1d, r0, r1) 07:26:59 executing program 5: r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$ETHTOOL_MSG_DEBUG_SET(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)={&(0x7f0000002100)={0xec4, 0x0, 0x0, 0x0, 0x0, {}, [@ETHTOOL_A_DEBUG_MSGMASK={0xc0, 0x2, 0x0, 0x1, [@ETHTOOL_A_BITSET_NOMASK={0x4}, @ETHTOOL_A_BITSET_MASK={0xb5, 0x5, "6791e37ba06bd0528cbc1cffdaa29e104ceb78f73e71958e14d893145ca0f76799ec951d35d10c9195f255050b5c474d535ce11a6486fc597cdd7c61fb3c816cd1963194957867faef11f34306d01e5dc1c0f50545ea54dcae73b5d0542a664f7dd8277ee770a55fa74bf2f4c917a13aec91ae86cfc69824f67fef2024257547192e5d356d1ff766234f6c27e93876a2f98a51ef63eea98378069eb184a9863736132e2bb62373f30b2364530159f309ad"}]}, @ETHTOOL_A_DEBUG_MSGMASK={0x278, 0x2, 0x0, 0x1, [@ETHTOOL_A_BITSET_BITS={0x1c, 0x3, 0x0, 0x1, [{0x18, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_INDEX={0x8}, @ETHTOOL_A_BITSET_BIT_NAME={0xc, 0x2, 'ethtool\x00'}]}]}, @ETHTOOL_A_BITSET_BITS={0x150, 0x3, 0x0, 0x1, [{0x8, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_VALUE={0x4}]}, {0x1c, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_INDEX={0x8}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8}]}, {0x44, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_INDEX={0x8}, @ETHTOOL_A_BITSET_BIT_NAME={0xc, 0x2, 'ethtool\x00'}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8}, @ETHTOOL_A_BITSET_BIT_NAME={0xc, 0x2, 'ethtool\x00'}, @ETHTOOL_A_BITSET_BIT_NAME={0xc, 0x2, 'ethtool\x00'}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8}]}, {0x20, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_NAME={0xc, 0x2, 'ethtool\x00'}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8}]}, {0x24, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_NAME={0xb, 0x2, ')!@+,5\x00'}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8}]}, {0x28, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_NAME={0xc, 0x2, 'ethtool\x00'}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8}, @ETHTOOL_A_BITSET_BIT_NAME={0x6, 0x2, '+\x00'}, @ETHTOOL_A_BITSET_BIT_NAME={0x7, 0x2, '\\a\x00'}]}, {0x30, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_NAME={0xc, 0x2, '\'-\'(&[$\x00'}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_NAME={0xc, 0x2, 'ethtool\x00'}, @ETHTOOL_A_BITSET_BIT_NAME={0x7, 0x2, '.\\\x00'}]}, {0x40, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_NAME={0xc, 0x2, 'ethtool\x00'}, @ETHTOOL_A_BITSET_BIT_NAME={0xa, 0x2, ']&/,-\x00'}, @ETHTOOL_A_BITSET_BIT_NAME={0xa, 0x2, '\\/$*)\x00'}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}]}, {0x8, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_VALUE={0x4}]}]}, @ETHTOOL_A_BITSET_NOMASK={0x4}, @ETHTOOL_A_BITSET_SIZE={0x8}, @ETHTOOL_A_BITSET_BITS={0xc0, 0x3, 0x0, 0x1, [{0x10, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_NAME={0x7, 0x2, '}@\x00'}]}, {0x38, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_NAME={0xc, 0x2, 'ethtool\x00'}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8}, @ETHTOOL_A_BITSET_BIT_NAME={0x8, 0x2, '{;\\\x00'}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_NAME={0x6, 0x2, '-\x00'}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8}]}, {0x20, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_INDEX={0x8}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8}]}, {0x8, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_VALUE={0x4}]}, {0x3c, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_NAME={0x7, 0x2, '{}\x00'}, @ETHTOOL_A_BITSET_BIT_NAME={0x5, 0x2, '\x00'}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}]}, {0x10, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_NAME={0xc, 0x2, 'ethtool\x00'}]}]}, @ETHTOOL_A_BITSET_NOMASK={0x4}, @ETHTOOL_A_BITSET_MASK={0x31, 0x5, "676672802dab8c1303a3e5b234db9e973a5c59143d84a6a3287b93913f5785c30bf94b578985cae3e3437ecb73"}, @ETHTOOL_A_BITSET_NOMASK={0x4}]}, @ETHTOOL_A_DEBUG_HEADER={0x34, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'veth1\x00'}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'ipvlan0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}]}, @ETHTOOL_A_DEBUG_MSGMASK={0xb44, 0x2, 0x0, 0x1, [@ETHTOOL_A_BITSET_BITS={0x98, 0x3, 0x0, 0x1, [{0x2c, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8}, @ETHTOOL_A_BITSET_BIT_INDEX={0x8}, @ETHTOOL_A_BITSET_BIT_NAME={0x7, 0x2, '\x92:\x00'}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}]}, {0x38, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_NAME={0xc, 0x2, 'ethtool\x00'}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_NAME={0xc, 0x2, 'ethtool\x00'}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_NAME={0xc, 0x2, 'ethtool\x00'}]}, {0x24, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_NAME={0xd, 0x2, '{-)*&(\x82$\x00'}, @ETHTOOL_A_BITSET_BIT_VALUE={0x4}, @ETHTOOL_A_BITSET_BIT_NAME={0xc, 0x2, 'ethtool\x00'}]}, {0xc, 0x1, 0x0, 0x1, [@ETHTOOL_A_BITSET_BIT_INDEX={0x8}]}]}, @ETHTOOL_A_BITSET_VALUE={0xaa5, 0x4, "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"}]}]}, 0xec4}}, 0x0) [ 1333.159410][ T1890] batman_adv: Cannot find parent device [ 1333.602084][ T1902] batman_adv: Cannot find parent device 07:27:00 executing program 2: r0 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x6c000000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:27:00 executing program 5: r0 = syz_open_dev$vcsn(&(0x7f0000000000), 0x0, 0x0) mmap$IORING_OFF_CQ_RING(&(0x7f0000ffc000/0x4000)=nil, 0x4002, 0x0, 0x11, r0, 0x8000000) r1 = syz_open_dev$vcsn(&(0x7f0000000040), 0x0, 0x0) mmap$IORING_OFF_CQ_RING(&(0x7f0000ffc000/0x4000)=nil, 0x300, 0x0, 0x11, r1, 0x8000000) 07:27:00 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000180)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x218}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x48}}, 0x0) 07:27:00 executing program 3: r0 = openat$sndtimer(0xffffffffffffff9c, &(0x7f0000000040), 0x0) ioctl$SNDRV_TIMER_IOCTL_NEXT_DEVICE(r0, 0x40485404, &(0x7f0000000000)={0x1}) 07:27:00 executing program 4: r0 = syz_open_dev$vcsn(&(0x7f0000000040), 0x0, 0xc1200) mmap$IORING_OFF_CQ_RING(&(0x7f0000ffc000/0x4000)=nil, 0x4000, 0x0, 0x11, r0, 0x8000000) 07:27:00 executing program 1: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$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, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x8100}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) [ 1334.337973][ T1916] batman_adv: Cannot find parent device [ 1334.352312][ T1916] batman_adv: batadv0: Adding interface: ip6gretap729 [ 1334.359581][ T1916] batman_adv: batadv0: The MTU of interface ip6gretap729 is too small (1434) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 07:27:00 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x74000000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) [ 1334.386563][ T1916] batman_adv: batadv0: Not using interface ip6gretap729 (retrying later): interface not active 07:27:00 executing program 5: r0 = add_key$keyring(&(0x7f0000000000), &(0x7f0000000040)={'syz', 0x0}, 0x0, 0x0, 0xfffffffffffffffb) r1 = add_key$keyring(&(0x7f0000000180), &(0x7f00000001c0)={'syz', 0x1}, 0x0, 0x0, r0) add_key$fscrypt_v1(&(0x7f0000000080), &(0x7f00000000c0)={'fscrypt:', @desc1}, &(0x7f0000000100)={0x0, "32676384ef405c72ccdb8b3dccbef7e304857a644ed3ff9fc2d69e5f8920ba9853cba54458d9550331f8066259ee7c6ed566ab83b899166141eefbee9886a464"}, 0x48, r1) [ 1334.604682][ T1923] batman_adv: Cannot find parent device 07:27:01 executing program 4: r0 = add_key$keyring(&(0x7f0000000000), &(0x7f0000000040)={'syz', 0x0}, 0x0, 0x0, 0xfffffffffffffffb) keyctl$link(0x6, r0, 0x0) 07:27:01 executing program 3: r0 = socket(0xa, 0x3, 0x1) ioctl$sock_ipv4_tunnel_SIOCDELTUNNEL(r0, 0x8943, &(0x7f0000002e80)={'gre0\x00', 0x0}) [ 1334.760967][ T1927] batman_adv: Cannot find parent device 07:27:01 executing program 1: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$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, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x8847}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:27:01 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000180)={'batadv0\x00', 0x0}) r2 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x222}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x48}}, 0x0) 07:27:01 executing program 2: r0 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x7a000000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:27:01 executing program 5: r0 = socket$inet_udp(0x2, 0x2, 0x0) setsockopt$inet_mreqsrc(r0, 0x0, 0xb, &(0x7f0000000000)={@multicast2, @loopback, @private}, 0xc) 07:27:01 executing program 4: r0 = openat$sndtimer(0xffffffffffffff9c, &(0x7f0000000000), 0x0) ioctl$SNDRV_TIMER_IOCTL_GPARAMS(r0, 0x40485404, &(0x7f0000000040)={{0x1, 0x0, 0x0, 0x0, 0xffffffff}}) [ 1335.419458][ T1942] batman_adv: Cannot find parent device [ 1335.542822][ T1946] batman_adv: Cannot find parent device [ 1335.556873][ T1946] batman_adv: batadv0: Adding interface: ip6gretap730 07:27:02 executing program 3: r0 = socket(0xa, 0x3, 0x1) sendmsg$FOU_CMD_ADD(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000080)={0x0}}, 0x41) [ 1335.567222][ T1946] batman_adv: batadv0: The MTU of interface ip6gretap730 is too small (1434) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1335.594757][ T1946] batman_adv: batadv0: Not using interface ip6gretap730 (retrying later): interface not active [ 1335.743084][ T1955] batman_adv: Cannot find parent device 07:27:02 executing program 1: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$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, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x8848}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:27:02 executing program 5: r0 = socket(0xa, 0x3, 0x1) ioctl$sock_ipv4_tunnel_SIOCDELTUNNEL(r0, 0x89f2, &(0x7f0000002e80)={'gre0\x00', &(0x7f0000002d80)={'erspan0\x00', 0x0, 0x0, 0x0, 0x0, 0x0, {{0x5, 0x4, 0x0, 0x0, 0x14, 0x0, 0x0, 0x0, 0x0, 0x0, @multicast1, @local}}}}) 07:27:02 executing program 2: r0 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x7e030000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) [ 1336.280029][ T1965] batman_adv: Cannot find parent device 07:27:02 executing program 3: r0 = syz_open_dev$vcsn(&(0x7f0000000000), 0x0, 0x402) write$tcp_mem(r0, &(0x7f0000000040), 0xfffffdef) 07:27:02 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000180)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x28c}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x48}}, 0x0) 07:27:02 executing program 4: r0 = socket$inet_udp(0x2, 0x2, 0x0) setsockopt$inet_mreqsrc(r0, 0x0, 0x2, &(0x7f0000000000)={@multicast2, @loopback, @private}, 0xc) 07:27:03 executing program 5: r0 = syz_open_dev$vcsa(&(0x7f00000000c0), 0x1, 0xa001) write$tcp_mem(r0, &(0x7f0000000040), 0x48) [ 1336.657995][ T1975] batman_adv: Cannot find parent device 07:27:03 executing program 1: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$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, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xa600}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:27:03 executing program 3: mmap$IORING_OFF_SQ_RING(&(0x7f0000ffc000/0x4000)=nil, 0x4000, 0x4, 0x4002030, 0xffffffffffffffff, 0x0) 07:27:03 executing program 4: r0 = socket$inet_udp(0x2, 0x2, 0x0) setsockopt$inet_mreqsrc(r0, 0x0, 0x5, &(0x7f0000000000)={@multicast2, @loopback, @private}, 0xc) [ 1337.036979][ T1990] batman_adv: Cannot find parent device 07:27:03 executing program 2: r0 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x80030000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) [ 1337.137117][ T1990] batman_adv: batadv0: Adding interface: ip6gretap731 [ 1337.144276][ T1990] batman_adv: batadv0: The MTU of interface ip6gretap731 is too small (1434) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1337.171225][ T1990] batman_adv: batadv0: Not using interface ip6gretap731 (retrying later): interface not active [ 1337.280390][ T1998] batman_adv: Cannot find parent device 07:27:03 executing program 5: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$devlink(&(0x7f00000001c0), r0) r2 = fork() sendmsg$DEVLINK_CMD_RELOAD(r0, &(0x7f00000003c0)={&(0x7f0000000100), 0xc, &(0x7f0000000380)={&(0x7f0000000200)={0x3c, r1, 0x710, 0x70bd25, 0x25dfdbfe, {}, [{@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, @DEVLINK_ATTR_NETNS_PID={0x8, 0x8b, r2}}]}, 0x3c}, 0x1, 0x0, 0x0, 0x90}, 0x49890) io_setup(0x6, &(0x7f0000000080)=0x0) io_cancel(r3, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0}, 0x0) r4 = openat$null(0xffffffffffffff9c, &(0x7f0000001c00), 0x0, 0x0) ioctl$sock_ipv4_tunnel_SIOCDELTUNNEL(r4, 0x89f2, 0x0) r5 = openat$cgroup_ro(0xffffffffffffffff, &(0x7f0000000040)='cgroup.events\x00', 0x0, 0x0) io_cancel(r3, &(0x7f0000000080)={0x0, 0x0, 0x0, 0x0, 0x80, r4, &(0x7f0000000000)="0914", 0x2, 0xffffffffffffff9a, 0x0, 0x4, r5}, &(0x7f00000000c0)) ioctl$sock_ipv4_tunnel_SIOCDELTUNNEL(r5, 0x89f2, &(0x7f0000000140)={'ip_vti0\x00', &(0x7f0000000240)={'syztnl2\x00', 0x0, 0x20, 0x8, 0x3, 0x3c1, {{0x27, 0x4, 0x2, 0x6, 0x9c, 0x64, 0x0, 0x1, 0x29, 0x0, @empty, @empty, {[@ssrr={0x89, 0x17, 0x27, [@empty, @multicast1, @loopback, @loopback, @rand_addr=0x64010101]}, @ssrr={0x89, 0x2b, 0x48, [@initdev={0xac, 0x1e, 0x0, 0x0}, @local, @empty, @private=0xa010101, @dev={0xac, 0x14, 0x14, 0x22}, @local, @loopback, @broadcast, @loopback, @private=0xa010101]}, @cipso={0x86, 0x45, 0x3, [{0x0, 0xc, "e6a767a570e82ecfc7dd"}, {0x7, 0x4, "ca1e"}, {0x6, 0xa, "14b216a1a0b88554"}, {0x6, 0x3, 'D'}, {0x1, 0x11, "cfcbd88801d50a5a5d1cc78e8edb06"}, {0x5, 0x11, "f3768a92d13291dd3f1ae6dde8b2db"}]}]}}}}}) r7 = openat$null(0xffffffffffffff9c, &(0x7f0000001c00), 0x0, 0x0) ioctl$sock_ipv4_tunnel_SIOCDELTUNNEL(r7, 0x89f2, 0x0) sendmsg$ETHTOOL_MSG_RINGS_GET(r7, &(0x7f0000001780)={&(0x7f0000001580)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f0000001740)={&(0x7f0000000300)={0x80, 0x0, 0x0, 0x0, 0x25dfdbfd, {}, [@HEADER={0x34, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'wg1\x00'}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'ip6gretap0\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x1}]}, @HEADER={0x38, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'veth1_virt_wifi\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x1}, @ETHTOOL_A_HEADER_FLAGS={0x8}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x1}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r6}]}]}, 0x80}, 0x1, 0x0, 0x0, 0x4000000}, 0x0) openat$null(0xffffffffffffff9c, &(0x7f0000001c00), 0x0, 0x0) 07:27:04 executing program 3: r0 = openat$sndtimer(0xffffffffffffff9c, &(0x7f0000000040), 0x0) ioctl$SNDRV_TIMER_IOCTL_NEXT_DEVICE(r0, 0xc0145401, 0x0) 07:27:04 executing program 1: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$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, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xc002}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:27:04 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000180)={'batadv0\x00', 0x0}) r2 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x2d6}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x48}}, 0x0) [ 1337.740048][ T2009] batman_adv: Cannot find parent device 07:27:04 executing program 4: r0 = socket$tipc(0x1e, 0x5, 0x0) setsockopt$TIPC_CONN_TIMEOUT(r0, 0x10f, 0x82, &(0x7f0000000440), 0x4) [ 1338.160224][ T2021] batman_adv: Cannot find parent device [ 1338.176658][ T2021] batman_adv: batadv0: Adding interface: ip6gretap732 [ 1338.184407][ T2021] batman_adv: batadv0: The MTU of interface ip6gretap732 is too small (1434) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1338.211661][ T2021] batman_adv: batadv0: Not using interface ip6gretap732 (retrying later): interface not active 07:27:04 executing program 2: r0 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x81000000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) [ 1338.306947][ T2027] batman_adv: Cannot find parent device 07:27:04 executing program 3: r0 = socket(0xa, 0x3, 0x1) recvmsg(r0, &(0x7f00000005c0)={0x0, 0x0, 0x0}, 0x2002) 07:27:05 executing program 5: r0 = openat$sndtimer(0xffffffffffffff9c, &(0x7f0000000040), 0x0) ioctl$SNDRV_TIMER_IOCTL_GPARAMS(r0, 0x40485404, &(0x7f0000000080)={{0x1, 0x0, 0x0, 0x3, 0x7f}}) 07:27:05 executing program 1: r0 = socket$nl_route(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$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xf603}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:27:05 executing program 4: r0 = socket$inet_tcp(0x2, 0x1, 0x0) ioctl$sock_SIOCADDRT(r0, 0x890c, &(0x7f00000000c0)={0x0, @l2tp={0x2, 0x0, @local}, @ethernet={0x0, @random="bec6dc79f009"}, @qipcrtr, 0xb3c}) [ 1338.819534][ T2053] batman_adv: Cannot find parent device 07:27:05 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000180)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x300}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x48}}, 0x0) 07:27:05 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x81ffffff}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:27:05 executing program 3: syz_usb_connect$printer(0x2, 0x36, &(0x7f0000000040)={{0x12, 0x1, 0x0, 0x0, 0x0, 0x0, 0x40, 0x525, 0xa4a8, 0x40, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x24, 0x1, 0x1, 0x0, 0x0, 0x0, [{{0x9, 0x4, 0x0, 0x0, 0x0, 0x7, 0x1, 0x0, 0x0, "", {{}, [{{0x9, 0x5, 0x82, 0x3, 0x3ff}}]}}}]}}]}}, 0x0) [ 1339.186880][ T2066] batman_adv: Cannot find parent device 07:27:05 executing program 5: r0 = socket(0xa, 0x3, 0x1) ioctl$sock_inet_SIOCADDRT(r0, 0x80086601, 0x0) [ 1339.529875][ T2075] batman_adv: Cannot find parent device [ 1339.540032][ T2075] device ip6gretap923 entered promiscuous mode [ 1339.610039][ T2079] batman_adv: Cannot find parent device [ 1339.623851][ T2079] batman_adv: batadv0: Adding interface: ip6gretap733 [ 1339.631183][ T2079] batman_adv: batadv0: The MTU of interface ip6gretap733 is too small (1434) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1339.661311][ T2079] batman_adv: batadv0: Not using interface ip6gretap733 (retrying later): interface not active 07:27:06 executing program 5: r0 = socket$inet_udp(0x2, 0x2, 0x0) setsockopt$inet_mreqsrc(r0, 0x0, 0x4, &(0x7f0000000000)={@multicast2, @loopback, @private}, 0xc) 07:27:06 executing program 1: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$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, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xfc00}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:27:06 executing program 4: r0 = seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x3, 0x0, &(0x7f00000001c0)={0x0, 0x0}) ioctl$SECCOMP_IOCTL_NOTIF_RECV(r0, 0xc0502100, 0x0) [ 1339.983273][ T9241] usb 4-1: new full-speed USB device number 6 using dummy_hcd 07:27:06 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000180)={'batadv0\x00', 0x0}) r2 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x3aa}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x48}}, 0x0) 07:27:06 executing program 2: r0 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x88030000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:27:06 executing program 5: r0 = socket(0xa, 0x3, 0x1) ioctl$sock_inet_SIOCADDRT(r0, 0x5452, 0x0) [ 1340.354694][ T9241] usb 4-1: config 1 interface 0 altsetting 0 has 2 endpoint descriptors, different from the interface descriptor's value: 0 [ 1340.358865][ T2093] batman_adv: Cannot find parent device 07:27:07 executing program 4: r0 = syz_open_dev$vcsn(&(0x7f0000000000), 0x0, 0x0) ioctl$HIDIOCSREPORT(r0, 0x400c4808, 0x0) [ 1340.579194][ T9241] usb 4-1: New USB device found, idVendor=0525, idProduct=a4a8, bcdDevice= 0.40 [ 1340.589110][ T9241] usb 4-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 1340.597808][ T9241] usb 4-1: Product: syz [ 1340.602191][ T9241] usb 4-1: Manufacturer: syz [ 1340.607197][ T9241] usb 4-1: SerialNumber: syz [ 1340.746636][ T2101] batman_adv: Cannot find parent device [ 1340.877065][ T2083] raw-gadget gadget: fail, usb_ep_enable returned -22 [ 1340.908916][ T2105] batman_adv: Cannot find parent device [ 1340.923314][ T2105] batman_adv: batadv0: Adding interface: ip6gretap734 [ 1340.930585][ T2105] batman_adv: batadv0: The MTU of interface ip6gretap734 is too small (1434) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1340.957474][ T2105] batman_adv: batadv0: Not using interface ip6gretap734 (retrying later): interface not active 07:27:07 executing program 5: r0 = socket(0x2, 0x3, 0x1) getsockopt$IP_VS_SO_GET_SERVICES(r0, 0x0, 0x482, 0x0, 0x0) 07:27:07 executing program 1: r0 = socket$nl_route(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$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xfd00}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:27:07 executing program 2: r0 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x88470000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:27:07 executing program 3: r0 = socket(0x11, 0x3, 0x0) ioctl$sock_inet_SIOCDELRT(r0, 0x890c, &(0x7f00000000c0)={0x0, {0x2, 0x0, @dev}, {0x2, 0x0, @remote}, {0x2, 0x0, @broadcast}, 0x0, 0x0, 0x0, 0x0, 0x0, &(0x7f0000000080)='syzkaller1\x00'}) 07:27:07 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000180)={'batadv0\x00', 0x0}) r2 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x3ee}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x48}}, 0x0) [ 1341.412563][ T9241] usb 4-1: USB disconnect, device number 6 07:27:08 executing program 5: socketpair$unix(0x1, 0x2, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) sendmmsg$unix(r0, &(0x7f0000004940)=[{0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)=[@rights={{0x20, 0x2, 0x1, [0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff]}}], 0x30}], 0x1, 0x0) [ 1341.631839][ T2128] batman_adv: Cannot find parent device 07:27:08 executing program 4: mknodat$loop(0xffffffffffffff9c, &(0x7f0000000000)='./file0\x00', 0x6000, 0x1) utimensat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0x0, 0x0) [ 1341.822028][ T2133] batman_adv: Cannot find parent device [ 1341.901202][ T2134] batman_adv: Cannot find parent device [ 1341.916858][ T2134] batman_adv: batadv0: Adding interface: ip6gretap735 [ 1341.924234][ T2134] batman_adv: batadv0: The MTU of interface ip6gretap735 is too small (1434) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1341.951930][ T2134] batman_adv: batadv0: Not using interface ip6gretap735 (retrying later): interface not active 07:27:08 executing program 3: r0 = socket$inet_udp(0x2, 0x2, 0x0) sendto$inet(r0, 0x0, 0x0, 0x0, &(0x7f0000000280)={0x2, 0x4e20, @dev}, 0x10) 07:27:08 executing program 1: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$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, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xfeff}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:27:08 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x88480000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:27:08 executing program 5: r0 = syz_open_dev$vcsn(&(0x7f0000000000), 0x0, 0x402) write$tcp_mem(r0, &(0x7f0000000040), 0xfffffdef) r1 = openat$hwrng(0xffffffffffffff9c, &(0x7f0000000ec0), 0x0, 0x0) getsockopt$IP6T_SO_GET_REVISION_TARGET(0xffffffffffffffff, 0x29, 0x45, 0x0, 0x0) r2 = syz_open_dev$vcsn(&(0x7f0000000000), 0x0, 0x2) mmap$usbfs(&(0x7f0000ffb000/0x1000)=nil, 0x1000, 0x1000000, 0x80010, r1, 0xfffffffffffffff8) mmap$IORING_OFF_CQ_RING(&(0x7f0000ffb000/0x4000)=nil, 0x4000, 0x0, 0x11, r2, 0x8000000) mmap$IORING_OFF_CQ_RING(&(0x7f0000ffc000/0x4000)=nil, 0x900, 0x0, 0x11, 0xffffffffffffffff, 0x8000000) [ 1342.622356][ T2153] batman_adv: Cannot find parent device 07:27:09 executing program 4: bpf$MAP_CREATE(0x0, &(0x7f0000000180)={0x17, 0x401, 0x0, 0x3}, 0x40) 07:27:09 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000180)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x3fa}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x48}}, 0x0) 07:27:09 executing program 3: r0 = socket(0xa, 0x3, 0x1) ioctl$sock_inet_SIOCADDRT(r0, 0x890c, &(0x7f0000000040)={0x0, {0x2, 0x0, @broadcast}, {0x2, 0x0, @broadcast}, {0x2, 0x0, @loopback}}) [ 1342.833920][ T2158] batman_adv: Cannot find parent device 07:27:09 executing program 1: r0 = socket$nl_route(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$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xff00}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) [ 1343.261251][ T2171] batman_adv: Cannot find parent device [ 1343.275292][ T2171] batman_adv: batadv0: Adding interface: ip6gretap736 [ 1343.282292][ T2171] batman_adv: batadv0: The MTU of interface ip6gretap736 is too small (1434) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 07:27:09 executing program 5: openat$null(0xffffffffffffff9c, &(0x7f0000001c00), 0x36ca6cf6074b87bb, 0x0) [ 1343.309061][ T2171] batman_adv: batadv0: Not using interface ip6gretap736 (retrying later): interface not active 07:27:09 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x88a8ffff}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:27:09 executing program 4: socketpair$tipc(0x1e, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$SIOCGETNODEID(r0, 0x89e1, &(0x7f0000000140)) 07:27:10 executing program 3: r0 = socket(0xa, 0x3, 0x1) ioctl$sock_ipv4_tunnel_SIOCDELTUNNEL(r0, 0x8992, &(0x7f0000002e80)={'gre0\x00', 0x0}) [ 1343.760692][ T2178] batman_adv: Cannot find parent device 07:27:10 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000180)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x3fc}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x48}}, 0x0) 07:27:10 executing program 4: r0 = socket(0xa, 0x3, 0x1) ioctl$sock_inet_SIOCADDRT(r0, 0xc0045878, 0x0) 07:27:10 executing program 5: r0 = syz_open_dev$vcsn(&(0x7f0000000000), 0x0, 0x402) write$tcp_mem(r0, &(0x7f0000000040), 0xfffffdef) openat$hwrng(0xffffffffffffff9c, &(0x7f0000000ec0), 0x0, 0x0) getsockopt$IP6T_SO_GET_REVISION_TARGET(0xffffffffffffffff, 0x29, 0x45, 0x0, 0x0) 07:27:10 executing program 3: r0 = socket$nl_audit(0x10, 0x3, 0x9) sendmsg$AUDIT_USER(r0, &(0x7f00000006c0)={0x0, 0x0, &(0x7f0000000680)={&(0x7f0000000600)={0x10, 0x3f7}, 0x10}}, 0x0) [ 1344.219250][ T2188] batman_adv: Cannot find parent device [ 1344.229245][ T2188] device ip6gretap927 entered promiscuous mode 07:27:10 executing program 1: r0 = socket$nl_route(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$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xff0f}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) [ 1344.553508][ T2196] batman_adv: Cannot find parent device [ 1344.570035][ T2196] batman_adv: batadv0: Adding interface: ip6gretap737 [ 1344.577821][ T2196] batman_adv: batadv0: The MTU of interface ip6gretap737 is too small (1434) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1344.604527][ T2196] batman_adv: batadv0: Not using interface ip6gretap737 (retrying later): interface not active 07:27:11 executing program 2: r0 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x92030000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:27:11 executing program 4: r0 = socket$inet_tcp(0x2, 0x1, 0x0) sendmsg$inet(r0, &(0x7f00000012c0)={&(0x7f0000000000)={0x2, 0x0, @empty=0xe8030000}, 0x10, 0x0}, 0x24040011) 07:27:11 executing program 5: r0 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_ipv4_tunnel_SIOCDELTUNNEL(r0, 0x89f2, &(0x7f00000009c0)={'ip_vti0\x00', 0x0}) 07:27:11 executing program 3: r0 = socket$inet6(0xa, 0x1, 0x0) setsockopt$inet6_opts(r0, 0x29, 0x39, &(0x7f0000000000)=@srh={0x0, 0x0, 0x4, 0x0, 0x7}, 0x8) [ 1345.011545][ T2205] batman_adv: Cannot find parent device [ 1345.201146][ T2211] batman_adv: Cannot find parent device 07:27:11 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000180)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x500}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x48}}, 0x0) 07:27:12 executing program 1: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$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, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xff7f}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:27:12 executing program 4: socketpair$unix(0x1, 0x2, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) r1 = openat$binder_debug(0xffffffffffffff9c, &(0x7f0000000380)='/sys/kernel/debug/binder/state\x00', 0x0, 0x0) sendmmsg$unix(r0, &(0x7f0000004940)=[{0x0, 0x0, 0x0, 0x0, &(0x7f0000000080)=[@rights={{0x14, 0x1, 0x1, [r1]}}], 0x18}], 0x1, 0x0) 07:27:12 executing program 3: r0 = openat$pidfd(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0) pidfd_send_signal(r0, 0x0, &(0x7f00000000c0)={0x11, 0x0, 0x9}, 0x0) [ 1345.784345][ T2223] batman_adv: Cannot find parent device [ 1345.798883][ T2223] batman_adv: batadv0: Adding interface: ip6gretap738 [ 1345.806828][ T2223] batman_adv: batadv0: The MTU of interface ip6gretap738 is too small (1434) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 07:27:12 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x967891f4}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:27:12 executing program 5: pkey_mprotect(&(0x7f0000ff9000/0x3000)=nil, 0x3000, 0x0, 0xffffffffffffffff) mmap$IORING_OFF_CQ_RING(&(0x7f0000ffb000/0x3000)=nil, 0x3000, 0x2, 0x11032, 0xffffffffffffffff, 0x8000000) [ 1345.833683][ T2223] batman_adv: batadv0: Not using interface ip6gretap738 (retrying later): interface not active [ 1345.972423][ T2228] batman_adv: Cannot find parent device 07:27:12 executing program 1: r0 = socket$nl_route(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$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xfffe}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:27:12 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000180)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x600}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x48}}, 0x0) [ 1346.281295][ T2237] batman_adv: Cannot find parent device [ 1346.290768][ T2237] device ip6gretap929 entered promiscuous mode 07:27:12 executing program 5: r0 = socket$inet6_udp(0xa, 0x2, 0x0) sendmsg$inet6(r0, &(0x7f0000000240)={&(0x7f0000000040)={0xa, 0x4e22, 0x0, @private2}, 0x1c, 0x0, 0x0, &(0x7f0000004100)=[@hoplimit={{0x14}}], 0x18}, 0x0) 07:27:13 executing program 3: mknodat$loop(0xffffffffffffff9c, &(0x7f0000000000)='./file0\x00', 0x2000, 0x1) openat$dir(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0x0, 0x0) 07:27:13 executing program 4: r0 = syz_open_dev$vcsn(&(0x7f0000000000), 0x0, 0x0) mmap$IORING_OFF_CQ_RING(&(0x7f0000ff9000/0x4000)=nil, 0x4000, 0x0, 0x11, r0, 0x8000000) r1 = syz_open_dev$vcsn(&(0x7f0000000000), 0x0, 0x0) mmap$IORING_OFF_CQ_RING(&(0x7f0000ffc000/0x4000)=nil, 0x4000, 0x0, 0x11, r1, 0x8000000) r2 = syz_open_dev$vcsn(&(0x7f0000000040), 0x0, 0x0) mmap$IORING_OFF_CQ_RING(&(0x7f0000ffc000/0x4000)=nil, 0x300, 0x0, 0x11, r2, 0x8000000) [ 1346.662623][ T2245] batman_adv: Cannot find parent device [ 1346.849545][ T2249] batman_adv: Cannot find parent device [ 1346.864608][ T2249] batman_adv: batadv0: Adding interface: ip6gretap739 [ 1346.871737][ T2249] batman_adv: batadv0: The MTU of interface ip6gretap739 is too small (1434) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 07:27:13 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x9effffff}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) [ 1346.898758][ T2249] batman_adv: batadv0: Not using interface ip6gretap739 (retrying later): interface not active 07:27:13 executing program 1: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$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, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x20000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:27:13 executing program 3: r0 = socket$inet_udp(0x2, 0x2, 0x0) setsockopt$inet_mreqsrc(r0, 0x0, 0x27, &(0x7f0000000000)={@multicast2, @dev={0xac, 0x14, 0x14, 0x20}, @multicast2}, 0xc) 07:27:13 executing program 5: socketpair$unix(0x1, 0x2, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) r1 = getpgrp(0x0) r2 = openat$fuse(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0) fstat(r2, &(0x7f00000003c0)={0x0, 0x0, 0x0, 0x0, 0x0}) sendmmsg$unix(r0, &(0x7f00000028c0)=[{&(0x7f0000000000)=@file={0x0, './file0\x00'}, 0x6e, 0x0, 0x0, &(0x7f0000000080)=[@cred={{0x1c, 0x1, 0x2, {r1, r3, 0xee01}}}, @rights={{0x14, 0x1, 0x1, [r0]}}], 0x38}], 0x1, 0x0) 07:27:13 executing program 4: r0 = socket$inet_tcp(0x2, 0x1, 0x0) r1 = mmap$IORING_OFF_CQ_RING(&(0x7f0000ffd000/0x1000)=nil, 0x1000, 0x2000004, 0x30, 0xffffffffffffffff, 0x8000000) r2 = openat$hwrng(0xffffffffffffff9c, &(0x7f0000000ec0), 0x0, 0x0) getsockopt$IP6T_SO_GET_REVISION_TARGET(r2, 0x29, 0x45, 0x0, 0x0) getsockopt$IP_VS_SO_GET_TIMEOUT(r2, 0x0, 0x486, &(0x7f00000006c0), &(0x7f0000000700)=0xc) syz_memcpy_off$IO_URING_METADATA_FLAGS(r1, 0x114, &(0x7f0000000680), 0x0, 0x4) syz_io_uring_submit(r1, 0x0, &(0x7f0000000640)=@IORING_OP_SENDMSG={0x9, 0x5, 0x0, r0, 0x0, &(0x7f0000000600)={&(0x7f0000000000)=@phonet={0x23, 0x0, 0x7f, 0x2}, 0x80, &(0x7f0000000140)=[{&(0x7f0000000080)="0377418bfb9e265407bc4fb072e6609fd107e4ccd35bc0ea03189cdb8f5b0f254e00cb41c9514ead268ed7953197c3903a", 0x31}], 0x1, &(0x7f0000000180)=[{0x110, 0x29, 0x0, "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"}, {0xc0, 0x19, 0x7ff, "affc6a66613fbff83732c19640bef5aef3a19f0ce3bd33b786242e8c2921a25870459605c2b8dda32db5ce38d14cff88cac192f5f9c961462818a4d02fc148109a21cc295ac8b3ae5b28f8d06094cc0107bfdc5e90fa7a91adfda4f09f17799a8f5fa032ccf399eafb60706376d8f25d221d247a1ebaee14930c8b66d1530a43888b6085d5879623cd3a524a84a8e7b76d91fef47408e9509d56e4e5052c1f28e463f13203ced75c3a803a957b45"}, {0x40, 0xfe, 0x0, "64842bd22a238b0ce3380d393c0aa1249ae1bf3d45338a1084aa87ab5a7dc51164c89255ea2a283166"}, {0x60, 0x11f, 0x10001, "58b92094c321955c093768248ccc93f3ab99595bd03e4eb1c45ae3897481d772dcb3b8f937890808273f2ce63368efa84d8b23d85e9ac7604fc46813e65358be3f8b239cfb35693825493b7c6eef"}, {0x58, 0x119, 0x1c, "41bb917cced00d25dc242b28907572d313e6eb9c087160137e42f01f751aa1174295b50cac9225b491271550e9791ef8874e0202d43ff0849af6c8d8d445919db49263"}, {0x108, 0x84, 0x807, "9f6cdbaca619a37677ac492d0637ed34aac04f2083a8aeadf1a34f7d4ba681610f54f5b54ad5b7dd7d13b06259834dedab8fa45e206f0a8d3a43bde86c4ff42989051179c792ff675dbab75cd9f4d01cc85395ada59078f2a99d028e6deb5860fc732c66875a622482dd8332a657311211928dac89655a5351a282157bf93b01dc2430b12549a2dc5ae5f03b9dfb3257be5fd999b97ba202b60e16d29112772173cccceace880e570a22849ed14bf79fd099640934b4a1b11f8e24156b296b5853c4ba76f941b5aa5bfa2fc7359570bf95372bb0b614a16b4143ad12070cb2b26b146a7888beceb07dc1e7fda1c1361d13d4e7ab35"}, {0xa0, 0x10d, 0xa35e, "17463f6090127f32e5bd8cf7f9286b5f7497a27a14d9ed843c8b285512aec97a3e3516b53913c2f75ac0d331e2e7e4db8bd917100a2702bc981ac7144ce11f988eafbec5ef72406fdd1151b2e65c8dd4e9d5011239fdd9ff01d8410412501fb85bf6225faf10624d3947eeb3ce12c14556cb0b85354fa6699015de656b4f1c34b2466a259898852d929a2680"}], 0x470}, 0x0, 0x840}, 0x1) ioctl$sock_SIOCADDRT(r0, 0x890b, &(0x7f00000000c0)={0x0, @l2tp={0x2, 0x0, @loopback}, @vsock={0x28, 0x0, 0x2710}, @qipcrtr={0x2a, 0x3}, 0xb3c, 0x0, 0x0, 0x0, 0x3}) syz_io_uring_complete(r1) [ 1347.458191][ T2263] batman_adv: Cannot find parent device [ 1347.467381][ T2263] device ip6gretap930 entered promiscuous mode 07:27:14 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000180)={'batadv0\x00', 0x0}) r2 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x700}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x48}}, 0x0) [ 1347.744515][ T2270] batman_adv: Cannot find parent device 07:27:14 executing program 2: r0 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0xa1000000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:27:14 executing program 5: pkey_mprotect(&(0x7f0000ff9000/0x3000)=nil, 0x3000, 0x0, 0xffffffffffffffff) mmap$IORING_OFF_CQ_RING(&(0x7f0000ff8000/0x3000)=nil, 0x3000, 0x0, 0x11032, 0xffffffffffffffff, 0x8000000) 07:27:14 executing program 3: r0 = add_key$keyring(&(0x7f0000000000), &(0x7f0000000040)={'syz', 0x3}, 0x0, 0x0, 0xfffffffffffffffe) add_key$keyring(&(0x7f0000000080), &(0x7f00000001c0)={'syz', 0x0}, 0x0, 0x0, r0) [ 1348.251441][ T2282] batman_adv: Cannot find parent device [ 1348.269384][ T2282] batman_adv: batadv0: Adding interface: ip6gretap740 [ 1348.277020][ T2282] batman_adv: batadv0: The MTU of interface ip6gretap740 is too small (1434) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1348.304158][ T2282] batman_adv: batadv0: Not using interface ip6gretap740 (retrying later): interface not active 07:27:14 executing program 4: r0 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_80211(r0, 0x8992, &(0x7f00000018c0)={'wlan1\x00'}) 07:27:14 executing program 1: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$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, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x30000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:27:15 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000180)={'batadv0\x00', 0x0}) r2 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x900}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x48}}, 0x0) [ 1348.824570][ T2295] batman_adv: Cannot find parent device 07:27:15 executing program 5: r0 = socket$vsock_stream(0x28, 0x1, 0x0) connect$vsock_stream(r0, &(0x7f0000000340)={0x28, 0x0, 0x0, @hyper}, 0x10) [ 1348.949911][ T2294] batman_adv: Cannot find parent device 07:27:15 executing program 3: r0 = socket$inet_tcp(0x2, 0x1, 0x0) ioctl$sock_SIOCADDRT(r0, 0x8901, 0x0) [ 1349.137431][ T2302] batman_adv: Cannot find parent device [ 1349.151637][ T2302] batman_adv: batadv0: Adding interface: ip6gretap741 [ 1349.159028][ T2302] batman_adv: batadv0: The MTU of interface ip6gretap741 is too small (1434) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1349.185733][ T2302] batman_adv: batadv0: Not using interface ip6gretap741 (retrying later): interface not active 07:27:15 executing program 4: r0 = openat$sndtimer(0xffffffffffffff9c, &(0x7f0000000040), 0x0) ioctl$SNDRV_TIMER_IOCTL_NEXT_DEVICE(r0, 0x5452, &(0x7f0000000000)={0x1}) 07:27:15 executing program 1: r0 = socket$nl_route(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$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x3ffff}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:27:15 executing program 2: r0 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0xaa030000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:27:16 executing program 5: r0 = socket$inet_tcp(0x2, 0x1, 0x0) ioctl$sock_SIOCADDRT(r0, 0x890b, &(0x7f00000000c0)={0x0, @l2tp={0x2, 0x0, @loopback=0x7f000300}, @vsock, @qipcrtr, 0xb3c}) 07:27:16 executing program 3: r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$ETHTOOL_MSG_RINGS_GET(r0, &(0x7f0000000040)={&(0x7f0000000000), 0xfffffffffffffeae, &(0x7f0000001740)={&(0x7f0000000300)={0x14, 0x0, 0x0, 0x0, 0x0, {}, [@HEADER={0x0, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_FLAGS]}, @HEADER={0x0, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX, @ETHTOOL_A_HEADER_DEV_INDEX]}, @HEADER={0x0, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_NAME={0x0, 0x2, 'caif0\x00'}, @ETHTOOL_A_HEADER_DEV_NAME={0x0, 0x2, 'vcan0\x00'}]}, @HEADER={0x0, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_FLAGS, @ETHTOOL_A_HEADER_DEV_NAME={0x0, 0x2, 'bond0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX, @ETHTOOL_A_HEADER_DEV_INDEX, @ETHTOOL_A_HEADER_DEV_NAME={0x0, 0x2, 'wlan1\x00'}, @ETHTOOL_A_HEADER_DEV_NAME={0x0, 0x2, 'veth0_to_bridge\x00'}]}, @HEADER={0x0, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX, @ETHTOOL_A_HEADER_FLAGS]}]}, 0x1e}}, 0x0) [ 1349.861128][ T2316] batman_adv: Cannot find parent device 07:27:16 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000180)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x9d1}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x48}}, 0x0) 07:27:16 executing program 4: socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) sendmmsg$sock(r0, &(0x7f0000000a80)=[{{0x0, 0x0, 0x0}}, {{&(0x7f00000004c0)=@caif=@dbg, 0x80, 0x0}}], 0x2, 0x0) [ 1350.033393][ T2321] batman_adv: Cannot find parent device 07:27:16 executing program 5: r0 = socket$inet_tcp(0x2, 0x1, 0x0) ioctl$sock_SIOCADDRT(r0, 0x890b, &(0x7f00000000c0)={0x0, @l2tp={0x2, 0x0, @loopback=0x7f000300}, @vsock, @qipcrtr, 0xb3c}) 07:27:16 executing program 1: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$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, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x40000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:27:17 executing program 3: r0 = openat$dir(0xffffffffffffff9c, &(0x7f0000000040)='.\x00', 0x0, 0x0) ioctl$FS_IOC_ADD_ENCRYPTION_KEY(r0, 0xc0286687, 0x0) [ 1350.554419][ T2333] batman_adv: Cannot find parent device [ 1350.568736][ T2333] batman_adv: batadv0: Adding interface: ip6gretap742 [ 1350.575852][ T2333] batman_adv: batadv0: The MTU of interface ip6gretap742 is too small (1434) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 07:27:17 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0xc3ffffff}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) [ 1350.603603][ T2333] batman_adv: batadv0: Not using interface ip6gretap742 (retrying later): interface not active 07:27:17 executing program 4: r0 = openat$binder_debug(0xffffffffffffff9c, &(0x7f0000000380)='/sys/kernel/debug/binder/state\x00', 0x0, 0x0) mmap$IORING_OFF_SQ_RING(&(0x7f0000ffb000/0x2000)=nil, 0x2000, 0x2, 0x11, r0, 0x0) [ 1350.991281][ T2341] batman_adv: Cannot find parent device 07:27:17 executing program 5: r0 = socket$inet_tcp(0x2, 0x1, 0x0) ioctl$sock_SIOCADDRT(r0, 0x890b, &(0x7f00000000c0)={0x0, @l2tp={0x2, 0x0, @loopback=0x7f000300}, @vsock, @qipcrtr, 0xb3c}) [ 1351.317676][ T2349] batman_adv: Cannot find parent device [ 1351.327222][ T2349] device ip6gretap933 entered promiscuous mode 07:27:17 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000180)={'batadv0\x00', 0x0}) r2 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x9d2}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x48}}, 0x0) 07:27:17 executing program 3: openat$hwrng(0xffffffffffffff9c, 0x0, 0x0, 0x0) getsockopt$IP6T_SO_GET_REVISION_TARGET(0xffffffffffffffff, 0x29, 0x45, 0x0, 0x0) r0 = syz_open_dev$vcsn(&(0x7f0000000000), 0x0, 0x0) mmap$usbfs(&(0x7f0000ffb000/0x1000)=nil, 0x1000, 0x0, 0x10, 0xffffffffffffffff, 0x0) mmap$IORING_OFF_CQ_RING(&(0x7f0000ffb000/0x4000)=nil, 0x4000, 0x0, 0x11, r0, 0x8000000) r1 = syz_open_dev$vcsn(&(0x7f0000000040), 0x0, 0x0) mmap$IORING_OFF_CQ_RING(&(0x7f0000ffc000/0x4000)=nil, 0x900, 0x0, 0x11, r1, 0x8000000) 07:27:18 executing program 1: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$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, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x100000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:27:18 executing program 5: r0 = socket$inet_tcp(0x2, 0x1, 0x0) ioctl$sock_SIOCADDRT(r0, 0x890b, &(0x7f00000000c0)={0x0, @l2tp={0x2, 0x0, @loopback=0x7f000300}, @vsock, @qipcrtr, 0xb3c}) 07:27:18 executing program 4: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) r1 = getpgrp(0x0) sendmmsg$unix(r0, &(0x7f00000010c0)=[{0x0, 0x0, 0x0, 0x0, &(0x7f00000004c0)=[@cred={{0x1c, 0x1, 0x2, {r1}}}, @cred={{0x1c}}], 0x40}], 0x1, 0x0) 07:27:18 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0xcc020000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) [ 1351.891822][ T2361] batman_adv: Cannot find parent device [ 1351.906114][ T2361] batman_adv: batadv0: Adding interface: ip6gretap743 [ 1351.913291][ T2361] batman_adv: batadv0: The MTU of interface ip6gretap743 is too small (1434) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1351.940969][ T2361] batman_adv: batadv0: Not using interface ip6gretap743 (retrying later): interface not active [ 1352.094819][ T2366] batman_adv: Cannot find parent device 07:27:18 executing program 3: r0 = socket(0xa, 0x3, 0x1) ioctl$sock_inet_SIOCADDRT(r0, 0x890b, &(0x7f0000000040)={0xffffc0fe, {0x2, 0x0, @broadcast}, {0x2, 0x0, @broadcast}, {0x2, 0x0, @loopback}}) [ 1352.406160][ T2375] batman_adv: Cannot find parent device 07:27:18 executing program 5: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) setsockopt$inet6_icmp_ICMP_FILTER(r0, 0x1, 0x1, &(0x7f0000000040)={0xfff}, 0x4) 07:27:19 executing program 1: r0 = socket$nl_route(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$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xe0ffff}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:27:19 executing program 4: r0 = socket(0xa, 0x3, 0x1) ioctl$sock_inet_SIOCADDRT(r0, 0x89a1, &(0x7f0000000040)={0x0, {0x2, 0x0, @broadcast}, {0x2, 0x0, @broadcast}, {0x2, 0x0, @loopback}}) 07:27:19 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000180)={'batadv0\x00', 0x0}) r2 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x9d3}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x48}}, 0x0) 07:27:19 executing program 2: r0 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0xcf090000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:27:19 executing program 3: r0 = socket(0xa, 0x3, 0x1) ioctl$sock_ipv4_tunnel_SIOCDELTUNNEL(r0, 0x8927, &(0x7f0000002e80)={'gre0\x00', 0x0}) [ 1353.097876][ T2391] batman_adv: Cannot find parent device 07:27:19 executing program 5: r0 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_ifreq(r0, 0x8922, &(0x7f0000000180)={'bond_slave_1\x00', @ifru_ivalue}) [ 1353.367178][ T2397] batman_adv: Cannot find parent device [ 1353.381855][ T2397] batman_adv: batadv0: Adding interface: ip6gretap744 [ 1353.389526][ T2397] batman_adv: batadv0: The MTU of interface ip6gretap744 is too small (1434) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1353.416170][ T2397] batman_adv: batadv0: Not using interface ip6gretap744 (retrying later): interface not active [ 1353.459991][ T2400] batman_adv: Cannot find parent device 07:27:20 executing program 4: r0 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl$sock_ifreq(r0, 0x8935, &(0x7f0000000140)={'bridge0\x00', @ifru_flags}) 07:27:20 executing program 1: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$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, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x1000000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:27:20 executing program 3: r0 = socket$inet_tcp(0x2, 0x1, 0x0) ioctl$sock_SIOCADDRT(r0, 0x8905, &(0x7f00000000c0)={0x0, @l2tp={0x2, 0x0, @initdev={0xac, 0x1e, 0x0, 0x0}}, @nl, @qipcrtr}) 07:27:20 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0xd6d52523}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:27:20 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000180)={'batadv0\x00', 0x0}) r2 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x9d4}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x48}}, 0x0) [ 1353.912257][ T2411] bond_slave_1: mtu less than device minimum 07:27:20 executing program 4: socketpair$unix(0x1, 0x2, 0x0, &(0x7f00000000c0)={0xffffffffffffffff, 0xffffffffffffffff}) sendmmsg$unix(r0, &(0x7f0000004940)=[{0x0, 0x0, 0x0, 0x0, &(0x7f0000000040)=[@rights={{0x1c, 0x1, 0x2, [0xffffffffffffffff, 0xffffffffffffffff, r1]}}], 0x20}], 0x1, 0x0) [ 1354.086873][ T2413] batman_adv: Cannot find parent device 07:27:20 executing program 5: r0 = syz_open_dev$vcsn(&(0x7f0000000000), 0x0, 0x0) r1 = mmap$IORING_OFF_CQ_RING(&(0x7f0000ffc000/0x4000)=nil, 0x4000, 0x0, 0x11, r0, 0x8000000) syz_memcpy_off$IO_URING_METADATA_FLAGS(r1, 0x0, &(0x7f0000003c40), 0x0, 0x4) [ 1354.293376][ T2418] batman_adv: Cannot find parent device [ 1354.306843][ T2418] device ip6gretap936 entered promiscuous mode [ 1354.436128][ T2423] batman_adv: Cannot find parent device [ 1354.450024][ T2423] batman_adv: batadv0: Adding interface: ip6gretap745 [ 1354.457911][ T2423] batman_adv: batadv0: The MTU of interface ip6gretap745 is too small (1434) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1354.485208][ T2423] batman_adv: batadv0: Not using interface ip6gretap745 (retrying later): interface not active 07:27:21 executing program 3: timer_create(0x2, 0x0, &(0x7f0000000100)) timer_settime(0x0, 0x0, &(0x7f0000000140)={{}, {0x77359400}}, 0x0) timer_gettime(0x0, &(0x7f0000000000)) 07:27:21 executing program 1: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$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, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x2000000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:27:21 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0xd8000000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:27:21 executing program 4: r0 = syz_open_dev$vcsn(&(0x7f0000000000), 0x0, 0x0) mmap$IORING_OFF_CQ_RING(&(0x7f0000ffc000/0x4000)=nil, 0x7ffffffff000, 0x0, 0x10, r0, 0x8000000) [ 1355.091502][ T2436] batman_adv: Cannot find parent device 07:27:21 executing program 5: r0 = socket(0x2, 0x3, 0x9) sendmsg$IPVS_CMD_NEW_DEST(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={0x0}}, 0x0) 07:27:21 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000180)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0xa00}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x48}}, 0x0) [ 1355.399189][ T2444] batman_adv: Cannot find parent device 07:27:21 executing program 3: pselect6(0x40, &(0x7f0000000000), 0x0, 0x0, &(0x7f00000000c0)={0x77359400}, 0x0) 07:27:22 executing program 1: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$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, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x2020000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:27:22 executing program 4: bpf$BPF_PROG_WITH_BTFID_LOAD(0x5, &(0x7f00000002c0)=@bpf_lsm={0x1d, 0x10000000, 0x0, &(0x7f0000000040)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0x1b, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0}, 0x78) [ 1355.808603][ T2453] batman_adv: Cannot find parent device [ 1355.823362][ T2453] batman_adv: batadv0: Adding interface: ip6gretap746 [ 1355.830462][ T2453] batman_adv: batadv0: The MTU of interface ip6gretap746 is too small (1434) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1355.857447][ T2453] batman_adv: batadv0: Not using interface ip6gretap746 (retrying later): interface not active 07:27:22 executing program 2: r0 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0xde020000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:27:22 executing program 5: r0 = socket$inet_udp(0x2, 0x2, 0x0) setsockopt$inet_mreqn(r0, 0x0, 0x24, &(0x7f0000000000)={@loopback, @empty}, 0xc) [ 1356.051189][ T2460] batman_adv: Cannot find parent device [ 1356.229897][ T2465] batman_adv: Cannot find parent device 07:27:22 executing program 1: r0 = socket$nl_route(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$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x2030000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:27:23 executing program 4: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) getsockopt$inet6_tcp_TCP_ZEROCOPY_RECEIVE(r0, 0x6, 0x23, 0x0, &(0x7f00000000c0)) 07:27:23 executing program 5: bpf$PROG_LOAD(0x5, 0x0, 0x0) getsockopt$inet_mreqn(0xffffffffffffffff, 0x0, 0x24, 0x0, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f00000009c0)={0x0, 0x0, 0x0}, 0x10) bpf$BPF_RAW_TRACEPOINT_OPEN_UNNAMED(0x11, 0x0, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000001480), 0xffffffffffffffff) getsockopt$inet_mreqn(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000001ac0)={@multicast2, @empty}, 0x0) 07:27:23 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000180)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0xb00}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x48}}, 0x0) 07:27:23 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0xe0ffffff}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) [ 1356.879523][ T2478] batman_adv: Cannot find parent device 07:27:23 executing program 3: r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$BATADV_CMD_SET_HARDIF(r0, &(0x7f0000000d80)={0x0, 0x0, &(0x7f0000000d40)={&(0x7f0000000d00)={0x14}, 0x14}}, 0x0) [ 1357.215767][ T2489] batman_adv: Cannot find parent device [ 1357.225410][ T2489] device ip6gretap939 entered promiscuous mode [ 1357.297607][ T2490] batman_adv: Cannot find parent device [ 1357.312317][ T2490] batman_adv: batadv0: Adding interface: ip6gretap747 [ 1357.319678][ T2490] batman_adv: batadv0: The MTU of interface ip6gretap747 is too small (1434) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 07:27:23 executing program 4: bpf$MAP_CREATE(0x0, &(0x7f0000000340)={0x1, 0x6, 0x1, 0xce, 0x0, 0xffffffffffffffff, 0x0, '\x00', 0x0, 0xffffffffffffffff, 0x5}, 0x40) [ 1357.346717][ T2490] batman_adv: batadv0: Not using interface ip6gretap747 (retrying later): interface not active 07:27:23 executing program 1: r0 = socket$nl_route(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$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x3000000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:27:24 executing program 5: r0 = openat$uinput(0xffffffffffffff9c, &(0x7f0000000a40), 0x0, 0x0) ioctl$UI_END_FF_UPLOAD(r0, 0x406855c9, &(0x7f0000000080)={0x0, 0x0, {0x0, 0x0, 0x0, {}, {}, @period={0x0, 0x0, 0x0, 0x0, 0x0, {}, 0x0, 0x0}}, {0x0, 0x0, 0x0, {}, {}, @cond}}) 07:27:24 executing program 3: setsockopt$IP6T_SO_SET_REPLACE(0xffffffffffffffff, 0x29, 0x40, 0x0, 0x0) 07:27:24 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0xee030000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) [ 1357.975052][ T2506] batman_adv: Cannot find parent device 07:27:24 executing program 4: perf_event_open(&(0x7f0000000040)={0x0, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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) 07:27:24 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000180)={'batadv0\x00', 0x0}) r2 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0xc00}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x48}}, 0x0) 07:27:24 executing program 5: r0 = socket$inet_tcp(0x2, 0x1, 0x0) setsockopt$inet_group_source_req(r0, 0x0, 0x53, 0x0, 0x0) 07:27:24 executing program 3: r0 = syz_open_procfs(0x0, &(0x7f0000002200)='clear_refs\x00') write$FUSE_DIRENT(r0, 0x0, 0x0) 07:27:24 executing program 1: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$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, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x4000000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) [ 1358.446708][ T2513] batman_adv: Cannot find parent device [ 1358.879314][ T2525] batman_adv: Cannot find parent device [ 1358.894829][ T2525] batman_adv: batadv0: Adding interface: ip6gretap748 [ 1358.901927][ T2525] batman_adv: batadv0: The MTU of interface ip6gretap748 is too small (1434) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1358.929156][ T2525] batman_adv: batadv0: Not using interface ip6gretap748 (retrying later): interface not active [ 1358.976658][ T2526] batman_adv: Cannot find parent device 07:27:25 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0xf0ffffff}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:27:25 executing program 5: r0 = syz_open_dev$dri(&(0x7f00000003c0), 0x0, 0x0) ioctl$DRM_IOCTL_MODE_CREATE_DUMB(r0, 0xc02064b2, &(0x7f0000000000)={0x8, 0xffff, 0x10, 0x0, 0x0}) ioctl$DRM_IOCTL_MODE_MAP_DUMB(r0, 0xc01064b3, &(0x7f0000000040)={r1}) 07:27:25 executing program 4: r0 = socket(0x10, 0x3, 0x0) accept4$bt_l2cap(r0, 0x0, 0x0, 0x0) 07:27:25 executing program 3: r0 = socket$inet6_udplite(0xa, 0x2, 0x88) sendmmsg$inet(r0, &(0x7f0000000380)=[{{&(0x7f0000000100)={0x2, 0x4e24, @loopback}, 0x10, &(0x7f0000000300)=[{&(0x7f0000000140)="ba", 0x1}], 0x1, &(0x7f0000000340)=[@ip_ttl={{0x14, 0x0, 0x2, 0x8}}], 0x18}}], 0x1, 0x0) 07:27:25 executing program 1: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$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, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x5000000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) [ 1359.564924][ T2539] batman_adv: Cannot find parent device [ 1359.574357][ T2539] device ip6gretap941 entered promiscuous mode 07:27:26 executing program 5: r0 = socket(0x10, 0x3, 0x0) recvmsg(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000001540)=[{0x0}, {0x0}, {0x0}, {0x0}, {0x0}, {0x0}, {0x0}, {0x0}, {0x0}], 0x9}, 0x0) syz_genetlink_get_family_id$gtp(&(0x7f0000000040), r0) 07:27:26 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000180)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0xd00}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x48}}, 0x0) 07:27:26 executing program 4: r0 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000040)='attr/current\x00') write$cgroup_netprio_ifpriomap(r0, 0x0, 0x22) 07:27:26 executing program 3: syz_open_procfs(0x0, &(0x7f0000000000)='net/netlink\x00') syz_open_procfs(0x0, &(0x7f0000000000)='net/netlink\x00') [ 1360.016431][ T2549] batman_adv: Cannot find parent device 07:27:26 executing program 2: r0 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0xf4917896}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) [ 1360.259791][ T2557] batman_adv: Cannot find parent device [ 1360.273634][ T2557] batman_adv: batadv0: Adding interface: ip6gretap749 [ 1360.280587][ T2557] batman_adv: batadv0: The MTU of interface ip6gretap749 is too small (1434) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1360.307675][ T2557] batman_adv: batadv0: Not using interface ip6gretap749 (retrying later): interface not active 07:27:27 executing program 4: r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$ETHTOOL_MSG_LINKINFO_SET(r0, &(0x7f0000000740)={&(0x7f0000000680), 0xc, &(0x7f0000000700)={&(0x7f00000006c0)={0x14}, 0x14}}, 0x0) 07:27:27 executing program 1: r0 = socket$nl_route(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$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x6000000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) [ 1360.613776][ T2565] batman_adv: Cannot find parent device 07:27:27 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) ioctl$BTRFS_IOC_SNAP_CREATE_V2(r0, 0x50009417, 0x0) [ 1361.071283][ T2574] batman_adv: Cannot find parent device 07:27:27 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000180)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0xe00}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x48}}, 0x0) 07:27:27 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0xfa030000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:27:27 executing program 5: r0 = syz_open_dev$dri(&(0x7f00000003c0), 0x0, 0x0) ioctl$BTRFS_IOC_TREE_SEARCH(r0, 0xd0009411, &(0x7f0000000400)) 07:27:27 executing program 4: socket$inet(0x2, 0x44dc3e15f2663139, 0x0) 07:27:27 executing program 3: r0 = socket(0x10, 0x3, 0xc) syz_genetlink_get_family_id$devlink(&(0x7f00000000c0), r0) 07:27:28 executing program 1: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$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, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x7000000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) [ 1361.602090][ T2585] batman_adv: Cannot find parent device [ 1361.731385][ T2585] batman_adv: batadv0: Adding interface: ip6gretap750 [ 1361.738712][ T2585] batman_adv: batadv0: The MTU of interface ip6gretap750 is too small (1434) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1361.765857][ T2585] batman_adv: batadv0: Not using interface ip6gretap750 (retrying later): interface not active [ 1361.815625][ T2584] batman_adv: Cannot find parent device 07:27:28 executing program 5: r0 = socket$inet6_udp(0xa, 0x2, 0x0) setsockopt$inet6_IPV6_XFRM_POLICY(r0, 0x29, 0x23, &(0x7f0000000240)={{{@in=@multicast1, @in=@dev, 0x0, 0x0, 0x0, 0x0, 0x2, 0x0, 0x0, 0x11, 0x0, 0xee00}, {}, {}, 0x0, 0x0, 0x1}, {{@in6=@remote, 0x0, 0x3c}, 0x0, @in=@local, 0x0, 0x0, 0x0, 0x81}}, 0xe8) sendmsg$inet(r0, &(0x7f0000000640)={&(0x7f0000000200)={0x2, 0x4e1c, @dev={0xac, 0x14, 0x14, 0xb}}, 0x10, 0x0}, 0x0) 07:27:28 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f0000000000)='projid_map\x00') write$FUSE_LK(r0, 0x0, 0x0) [ 1362.163452][ T2601] batman_adv: Cannot find parent device 07:27:28 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000180)={'batadv0\x00', 0x0}) r2 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0xf00}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x48}}, 0x0) 07:27:28 executing program 3: r0 = add_key$keyring(&(0x7f0000000080), &(0x7f0000000140)={'syz', 0x1}, 0x0, 0x0, 0xfffffffffffffffd) keyctl$read(0xb, r0, &(0x7f0000001780)=""/4110, 0x100e) 07:27:28 executing program 2: r0 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0xfc000000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:27:29 executing program 1: r0 = socket$nl_route(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$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x8000000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) [ 1362.676813][ T2610] batman_adv: Cannot find parent device [ 1362.690805][ T2610] batman_adv: batadv0: Adding interface: ip6gretap751 07:27:29 executing program 5: r0 = socket$inet6_udp(0xa, 0x2, 0x0) setsockopt$inet6_IPV6_XFRM_POLICY(r0, 0x29, 0x23, &(0x7f0000000240)={{{@in=@multicast1, @in=@private, 0x0, 0x0, 0x0, 0x0, 0x2, 0x0, 0x0, 0x0, 0x0, 0xee00}, {}, {}, 0x0, 0x0, 0x1}, {{@in6=@remote, 0x0, 0x3c}, 0x0, @in=@local}}, 0xe8) connect$inet6(r0, &(0x7f0000000000)={0xa, 0x0, 0x0, @loopback}, 0x1c) [ 1362.702327][ T2610] batman_adv: batadv0: The MTU of interface ip6gretap751 is too small (1434) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1362.729448][ T2610] batman_adv: batadv0: Not using interface ip6gretap751 (retrying later): interface not active 07:27:29 executing program 4: r0 = socket(0x11, 0x2, 0x0) setsockopt$sock_int(r0, 0x1, 0xf, &(0x7f0000000000), 0x4) [ 1363.077692][ T2618] batman_adv: Cannot find parent device 07:27:29 executing program 3: openat$tun(0xffffffffffffff9c, &(0x7f0000000080), 0x6000, 0x0) [ 1363.168901][ T2623] batman_adv: Cannot find parent device 07:27:30 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000180)={'batadv0\x00', 0x0}) r2 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0xf01}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x48}}, 0x0) 07:27:30 executing program 4: openat$sndtimer(0xffffffffffffff9c, &(0x7f0000000040), 0x24c0) 07:27:30 executing program 5: syz_open_dev$dri(&(0x7f0000000000), 0x0, 0x507300) 07:27:30 executing program 2: r0 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0xfc030000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:27:30 executing program 1: r0 = socket$nl_route(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$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x9000000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:27:30 executing program 3: bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000580)={0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffffffff}, 0x48) [ 1363.978593][ T2640] batman_adv: Cannot find parent device [ 1363.992411][ T2640] batman_adv: batadv0: Adding interface: ip6gretap752 [ 1363.999687][ T2640] batman_adv: batadv0: The MTU of interface ip6gretap752 is too small (1434) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1364.026646][ T2640] batman_adv: batadv0: Not using interface ip6gretap752 (retrying later): interface not active [ 1364.082364][ T2645] batman_adv: Cannot find parent device 07:27:30 executing program 5: r0 = socket(0xa, 0x3, 0x9) ioctl$sock_inet_SIOCSIFADDR(r0, 0x8916, &(0x7f0000000080)={'veth0_to_bond\x00', {0x2, 0x0, @initdev}}) 07:27:30 executing program 4: setsockopt$sock_int(0xffffffffffffffff, 0x1, 0x0, &(0x7f0000000040), 0xffffffffffffffac) [ 1364.254642][ T2648] batman_adv: Cannot find parent device 07:27:31 executing program 1: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$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, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xa000000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:27:31 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0xfcffffff}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:27:31 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000e80)={&(0x7f0000000b00), 0xc, &(0x7f0000000e40)={&(0x7f0000000dc0)=@deltclass={0x40, 0x29, 0x1, 0x0, 0x0, {}, [@tclass_kind_options=@c_drr={{0x8}, {0xc, 0x2, @TCA_DRR_QUANTUM={0x8}}}, @TCA_RATE={0x6}]}, 0x40}}, 0x0) 07:27:31 executing program 5: bpf$BPF_GET_PROG_INFO(0xf, &(0x7f0000000200)={0xffffffffffffffff, 0x0, 0x0}, 0x10) bpf$BPF_PROG_GET_FD_BY_ID(0xd, 0x0, 0x0) bpf$PROG_LOAD(0x5, 0x0, 0x0) bpf$BPF_RAW_TRACEPOINT_OPEN_UNNAMED(0x11, 0x0, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000001480), 0xffffffffffffffff) 07:27:31 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000180)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x1002}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x48}}, 0x0) 07:27:31 executing program 4: r0 = socket$inet6_udp(0xa, 0x2, 0x0) setsockopt$inet6_mtu(r0, 0x29, 0x17, &(0x7f0000000000)=0x856f88037aa5e952, 0x4) [ 1365.031449][ T2664] batman_adv: Cannot find parent device [ 1365.041151][ T2664] device ip6gretap946 entered promiscuous mode [ 1365.104188][ T2665] batman_adv: Cannot find parent device [ 1365.513961][ T2680] batman_adv: Cannot find parent device [ 1365.527974][ T2680] batman_adv: batadv0: Adding interface: ip6gretap753 [ 1365.535220][ T2680] batman_adv: batadv0: The MTU of interface ip6gretap753 is too small (1434) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 07:27:31 executing program 3: bpf$MAP_CREATE(0x0, &(0x7f00000000c0)={0x7, 0x0, 0x0, 0x0, 0x610, 0x1}, 0x40) [ 1365.561886][ T2680] batman_adv: batadv0: Not using interface ip6gretap753 (retrying later): interface not active 07:27:32 executing program 1: r0 = socket$nl_route(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$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xb000000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:27:32 executing program 2: r0 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0xfe000000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:27:32 executing program 4: r0 = socket(0x11, 0x2, 0x0) ioctl$sock_ipv6_tunnel_SIOCGETTUNNEL(r0, 0x89f0, &(0x7f0000000400)={'sit0\x00', &(0x7f0000000380)={'ip6tnl0\x00', 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @private0, @initdev={0xfe, 0x88, '\x00', 0x0, 0x0}}}) 07:27:32 executing program 5: getsockopt$inet_mreqn(0xffffffffffffffff, 0x0, 0x0, 0x0, &(0x7f00000001c0)) waitid(0x0, 0x0, &(0x7f0000000780), 0x0, 0x0) 07:27:32 executing program 3: r0 = socket(0xa, 0x3, 0x9) ioctl$ifreq_SIOCGIFINDEX_team(r0, 0x8933, 0x0) [ 1366.127758][ T2690] batman_adv: Cannot find parent device [ 1366.183641][ T2694] batman_adv: Cannot find parent device 07:27:32 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000180)={'batadv0\x00', 0x0}) r2 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x1100}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x48}}, 0x0) 07:27:33 executing program 5: pipe2$9p(0x0, 0x104000) 07:27:33 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f0000000000)='net/tcp6\x00') read$FUSE(r0, &(0x7f0000000100)={0x2020}, 0x2020) read$FUSE(r0, 0x0, 0x0) 07:27:33 executing program 2: r0 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0xfe80ffff}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:27:33 executing program 1: r0 = socket$nl_route(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$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xc000000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:27:33 executing program 3: mlock2(&(0x7f0000ffd000/0x3000)=nil, 0x3000, 0x1) mlock2(&(0x7f0000ffd000/0x3000)=nil, 0x3000, 0x1) [ 1367.047273][ T2710] batman_adv: Cannot find parent device [ 1367.061319][ T2710] batman_adv: batadv0: Adding interface: ip6gretap754 [ 1367.068714][ T2710] batman_adv: batadv0: The MTU of interface ip6gretap754 is too small (1434) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1367.095139][ T2710] batman_adv: batadv0: Not using interface ip6gretap754 (retrying later): interface not active 07:27:33 executing program 5: r0 = syz_open_procfs(0x0, &(0x7f0000000000)='net/netlink\x00') ioctl$PERF_EVENT_IOC_PAUSE_OUTPUT(r0, 0x40042409, 0x0) [ 1367.270385][ T2719] batman_adv: Cannot find parent device [ 1367.314599][ T2721] batman_adv: Cannot find parent device [ 1367.324477][ T2721] device ip6gretap948 entered promiscuous mode 07:27:33 executing program 4: r0 = syz_init_net_socket$bt_sco(0x1f, 0x5, 0x2) setsockopt$sock_int(r0, 0x1, 0x5, &(0x7f0000000080)=0xfff, 0x4) 07:27:34 executing program 1: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$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, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xc020000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:27:34 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0xfec0ffff}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:27:34 executing program 3: bpf$BPF_PROG_DETACH(0x9, &(0x7f0000000100)={@cgroup, 0xffffffffffffffff, 0x1c}, 0x10) 07:27:34 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000180)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x1200}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x48}}, 0x0) 07:27:34 executing program 4: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000001100)={&(0x7f0000000dc0), 0xc, &(0x7f00000010c0)={&(0x7f0000000e40)=@newqdisc={0x60, 0x24, 0x1, 0x0, 0x0, {}, [@qdisc_kind_options=@q_drr={0x8}, @TCA_INGRESS_BLOCK={0x8}, @TCA_RATE={0x6}, @TCA_STAB={0x24, 0x8, 0x0, 0x1, [{{0x1c}, {0x4}}]}]}, 0x60}}, 0x0) 07:27:34 executing program 5: sendmsg$ETHTOOL_MSG_TSINFO_GET(0xffffffffffffffff, 0x0, 0x0) [ 1368.270006][ T2738] batman_adv: Cannot find parent device [ 1368.345872][ T2743] batman_adv: Cannot find parent device [ 1368.355716][ T2743] device ip6gretap949 entered promiscuous mode [ 1368.489101][ T2750] batman_adv: Cannot find parent device [ 1368.503827][ T2750] batman_adv: batadv0: Adding interface: ip6gretap755 [ 1368.511040][ T2750] batman_adv: batadv0: The MTU of interface ip6gretap755 is too small (1434) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1368.538090][ T2750] batman_adv: batadv0: Not using interface ip6gretap755 (retrying later): interface not active 07:27:35 executing program 3: madvise(&(0x7f0000ffd000/0x3000)=nil, 0x3000, 0x1) 07:27:35 executing program 1: r0 = socket$nl_route(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$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xd000000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:27:35 executing program 4: waitid(0x0, 0x0, 0x0, 0x82000009, 0x0) 07:27:35 executing program 5: syz_open_dev$char_raw(&(0x7f0000000780), 0x1, 0x0) 07:27:35 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0xfeff0000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:27:35 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000180)={'batadv0\x00', 0x0}) r2 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x1802}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x48}}, 0x0) [ 1369.280479][ T2764] batman_adv: Cannot find parent device 07:27:36 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000380)=@getlink={0x20, 0x12, 0x1}, 0x20}}, 0x0) [ 1369.530233][ T2772] batman_adv: Cannot find parent device 07:27:36 executing program 5: pipe2$9p(&(0x7f0000000440), 0x0) 07:27:36 executing program 1: r0 = socket$nl_route(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$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xe000000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:27:36 executing program 4: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$NL80211_CMD_VENDOR(r0, &(0x7f0000001100)={0x0, 0x0, &(0x7f00000023c0)={&(0x7f0000002400)={0x14, r1, 0x1, 0x0, 0x0, {{}, {@void, @void, @void}}}, 0x14}}, 0x0) [ 1369.879495][ T2777] batman_adv: Cannot find parent device [ 1369.892786][ T2777] batman_adv: batadv0: Adding interface: ip6gretap756 [ 1369.900223][ T2777] batman_adv: batadv0: The MTU of interface ip6gretap756 is too small (1434) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1369.926668][ T2777] batman_adv: batadv0: Not using interface ip6gretap756 (retrying later): interface not active 07:27:36 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0xfeffffff}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) [ 1370.010311][ T3129] ieee802154 phy0 wpan0: encryption failed: -22 [ 1370.017386][ T3129] ieee802154 phy1 wpan1: encryption failed: -22 07:27:36 executing program 3: socket(0x35, 0x0, 0x0) [ 1370.295041][ T2788] batman_adv: Cannot find parent device 07:27:36 executing program 5: r0 = socket(0xa, 0x3, 0x9) ioctl$sock_inet_SIOCSIFADDR(r0, 0x8916, 0x0) [ 1370.533123][ T2793] batman_adv: Cannot find parent device [ 1370.542341][ T2793] device ip6gretap951 entered promiscuous mode 07:27:37 executing program 4: r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x1, 0x0) getsockopt$bt_l2cap_L2CAP_LM(r0, 0x6, 0x3, 0x0, &(0x7f0000000040)) 07:27:37 executing program 2: r0 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0xff000000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:27:37 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000180)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x2000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x48}}, 0x0) 07:27:37 executing program 1: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$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, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xf000000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:27:37 executing program 3: r0 = syz_open_procfs(0x0, &(0x7f0000000040)='net/ptype\x00') read$FUSE(r0, &(0x7f0000000080)={0x2020}, 0x2020) read$FUSE(r0, 0x0, 0x0) [ 1371.269236][ T2806] batman_adv: Cannot find parent device [ 1371.284528][ T2806] batman_adv: batadv0: Adding interface: ip6gretap757 [ 1371.291672][ T2806] batman_adv: batadv0: The MTU of interface ip6gretap757 is too small (1434) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1371.319084][ T2806] batman_adv: batadv0: Not using interface ip6gretap757 (retrying later): interface not active 07:27:37 executing program 5: syz_open_procfs(0x0, &(0x7f0000000340)='net/psched\x00') [ 1371.431486][ T2808] batman_adv: Cannot find parent device 07:27:37 executing program 4: openat$vcsu(0xffffffffffffff9c, &(0x7f0000003680), 0x0, 0x0) mlock2(&(0x7f0000ff9000/0x3000)=nil, 0x3000, 0x0) shmat(0x0, &(0x7f0000ff9000/0x3000)=nil, 0x5000) [ 1371.476026][ T2807] batman_adv: Cannot find parent device 07:27:38 executing program 3: getsockopt$inet_mreqn(0xffffffffffffffff, 0x0, 0x0, 0x0, &(0x7f0000000540)) pipe2$9p(&(0x7f0000000440), 0x0) 07:27:38 executing program 2: r0 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0xff0f0000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:27:38 executing program 1: r0 = socket$nl_route(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$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x10000000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:27:38 executing program 4: openat$hwrng(0xffffffffffffff9c, &(0x7f0000000000), 0x40, 0x0) 07:27:38 executing program 5: r0 = socket$inet6_udplite(0xa, 0x2, 0x88) sendmmsg$sock(r0, &(0x7f0000000540)=[{{&(0x7f0000000180)=@ieee802154={0x24, @long}, 0xffffffffffffff76, 0x0}}], 0x1, 0x0) 07:27:38 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000180)={'batadv0\x00', 0x0}) r2 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x2202}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x48}}, 0x0) [ 1372.372443][ T2831] batman_adv: Cannot find parent device [ 1372.427688][ T2832] batman_adv: Cannot find parent device 07:27:38 executing program 3: r0 = openat$ttyS3(0xffffffffffffff9c, &(0x7f0000000280), 0x0, 0x0) ioctl$TIOCMSET(r0, 0x5418, 0x0) [ 1372.766692][ T2845] batman_adv: Cannot find parent device [ 1372.781648][ T2845] batman_adv: batadv0: Adding interface: ip6gretap758 [ 1372.789508][ T2845] batman_adv: batadv0: The MTU of interface ip6gretap758 is too small (1434) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1372.816612][ T2845] batman_adv: batadv0: Not using interface ip6gretap758 (retrying later): interface not active 07:27:39 executing program 5: r0 = socket$inet6_udplite(0xa, 0x2, 0x88) sendmsg$inet(r0, &(0x7f0000000040)={&(0x7f0000000000)={0x2, 0x4e24, @empty}, 0x10, 0x0, 0x0, &(0x7f00000000c0)=[@ip_retopts={{0x10, 0x0, 0x7, {[@generic={0x0, 0x12, "b0fb"}, @generic={0x0, 0x0, "c741b85246a3626e"}]}}}], 0x28}, 0x4000) 07:27:39 executing program 2: r0 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0xff7f0000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:27:39 executing program 1: r0 = socket$nl_route(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$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x11000000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:27:39 executing program 4: add_key$keyring(&(0x7f0000000080), 0x0, 0x0, 0x0, 0xffffffffffffffff) add_key$user(&(0x7f0000000000), &(0x7f0000000040)={'syz', 0x0}, &(0x7f0000000300)="85", 0x1, 0xfffffffffffffffd) [ 1373.371252][ T2854] batman_adv: Cannot find parent device [ 1373.419898][ T2856] batman_adv: Cannot find parent device 07:27:39 executing program 3: r0 = socket$inet6_udplite(0xa, 0x2, 0x88) sendmsg$inet(r0, &(0x7f0000000140)={&(0x7f0000000000)={0x2, 0x4e25, @loopback}, 0x10, 0x0, 0x0, &(0x7f0000000180)=[@ip_retopts={{0x10}}, @ip_retopts={{0x10}}], 0x20}, 0x0) 07:27:40 executing program 5: r0 = socket$inet6_udplite(0xa, 0x2, 0x88) sendmsg$inet(r0, &(0x7f0000000140)={&(0x7f0000000000)={0x2, 0x4e24, @broadcast}, 0x10, 0x0, 0x0, &(0x7f0000000580)=[@ip_retopts={{0x14, 0x0, 0x7, {[@generic={0x86, 0x2}]}}}], 0x18}, 0x0) 07:27:40 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000180)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x2500}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x48}}, 0x0) 07:27:40 executing program 4: r0 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$sock_ipv6_tunnel_SIOCCHGPRL(r0, 0x89f7, &(0x7f00000001c0)={'syztnl0\x00', 0x0}) 07:27:40 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0xffff0000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:27:40 executing program 1: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$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, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x12000000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:27:40 executing program 3: prctl$PR_SET_SECCOMP(0x16, 0x2, &(0x7f0000003d40)={0x2, &(0x7f0000003d00)=[{}, {}]}) [ 1374.275841][ T2875] batman_adv: Cannot find parent device [ 1374.291124][ T2875] batman_adv: batadv0: Adding interface: ip6gretap759 [ 1374.298416][ T2875] batman_adv: batadv0: The MTU of interface ip6gretap759 is too small (1434) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 07:27:40 executing program 5: r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$TIPC_CMD_GET_REMOTE_MNG(r0, &(0x7f00000000c0)={&(0x7f0000000000), 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x1c, 0x0, 0x0, 0x0, 0x0, {}, ["", "", "", "", "", "", ""]}, 0xffffffffffffffbf}}, 0x0) [ 1374.325967][ T2875] batman_adv: batadv0: Not using interface ip6gretap759 (retrying later): interface not active [ 1374.470894][ T2883] batman_adv: Cannot find parent device [ 1374.517318][ T2889] batman_adv: Cannot find parent device 07:27:41 executing program 4: timer_create(0x0, &(0x7f0000000200)={0x0, 0x0, 0x1, @thr={0x0, 0x0}}, &(0x7f0000000240)) timer_gettime(0x0, &(0x7f0000000000)) 07:27:41 executing program 5: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) sendmsg$inet6(r0, &(0x7f0000000200)={&(0x7f0000000140)={0xa, 0x0, 0x0, @local}, 0x1c, 0x0}, 0x20000000) 07:27:41 executing program 2: r0 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0xffff0300}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:27:41 executing program 1: r0 = socket$nl_route(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$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x20000000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:27:41 executing program 3: clock_gettime(0x4, &(0x7f00000003c0)) 07:27:41 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000180)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x2f00}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x48}}, 0x0) 07:27:41 executing program 4: r0 = socket$inet6_udplite(0xa, 0x2, 0x88) sendmsg$inet(r0, &(0x7f0000000140)={&(0x7f0000000000)={0x2, 0x4e24, @broadcast}, 0x10, 0x0, 0x0, &(0x7f0000000580)=[@ip_retopts={{0x18, 0x0, 0x7, {[@generic={0x86, 0x8, "0813dc7a26a0"}]}}}], 0x18}, 0x0) [ 1375.376316][ T2914] batman_adv: Cannot find parent device [ 1375.422856][ T2913] batman_adv: Cannot find parent device [ 1375.431894][ T2913] device ip6gretap956 entered promiscuous mode 07:27:42 executing program 5: r0 = syz_open_dev$rtc(&(0x7f0000000040), 0x0, 0x0) ioctl$RTC_PIE_OFF(r0, 0x7006) [ 1375.673047][ T2923] batman_adv: Cannot find parent device [ 1375.687782][ T2923] batman_adv: batadv0: Adding interface: ip6gretap760 [ 1375.694869][ T2923] batman_adv: batadv0: The MTU of interface ip6gretap760 is too small (1434) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1375.722235][ T2923] batman_adv: batadv0: Not using interface ip6gretap760 (retrying later): interface not active 07:27:42 executing program 3: r0 = epoll_create1(0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) epoll_ctl$EPOLL_CTL_ADD(r0, 0x1, r1, &(0x7f0000000100)) r2 = socket$nl_xfrm(0x10, 0x3, 0x6) epoll_ctl$EPOLL_CTL_ADD(r0, 0x1, r2, &(0x7f0000000140)) 07:27:42 executing program 1: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$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, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x25000000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:27:42 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0xffff80fe}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:27:42 executing program 4: r0 = socket$inet6_udplite(0xa, 0x2, 0x88) sendmsg$inet(r0, &(0x7f0000000380)={&(0x7f0000000140)={0x2, 0x4e20, @local}, 0x10, 0x0, 0x0, &(0x7f00000004c0)=[@ip_pktinfo={{0x1c, 0x0, 0x8, {0x0, @dev, @private}}}], 0x20}, 0x0) 07:27:42 executing program 3: r0 = socket$inet6_udplite(0xa, 0x2, 0x88) setsockopt$SO_TIMESTAMPING(r0, 0x1, 0x25, &(0x7f0000000100)=0x80, 0x4) 07:27:42 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000180)={'batadv0\x00', 0x0}) r2 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x3a00}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x48}}, 0x0) 07:27:42 executing program 5: add_key$user(&(0x7f0000000000), 0x0, &(0x7f0000000080)="b0", 0x1, 0xfffffffffffffffb) [ 1376.479483][ T2940] batman_adv: Cannot find parent device [ 1376.553519][ T2941] batman_adv: Cannot find parent device [ 1376.868407][ T2954] batman_adv: Cannot find parent device [ 1376.882166][ T2954] batman_adv: batadv0: Adding interface: ip6gretap761 [ 1376.889962][ T2954] batman_adv: batadv0: The MTU of interface ip6gretap761 is too small (1434) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 07:27:43 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0xffffa888}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) [ 1376.916518][ T2954] batman_adv: batadv0: Not using interface ip6gretap761 (retrying later): interface not active 07:27:43 executing program 1: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$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, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x2f000000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:27:43 executing program 4: r0 = socket$inet_udp(0x2, 0x2, 0x0) setsockopt$inet_udp_int(r0, 0x11, 0x1, &(0x7f0000000000)=0x8, 0x4) 07:27:43 executing program 3: r0 = openat$rtc(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0) ioctl$RTC_ALM_SET(r0, 0x40247007, &(0x7f0000000000)) 07:27:43 executing program 5: r0 = socket$inet6_udplite(0xa, 0x2, 0x88) sendmsg$inet(r0, &(0x7f0000000340)={&(0x7f0000000080)={0x2, 0x4e24, @multicast1}, 0x10, &(0x7f0000000280)=[{&(0x7f0000000180)="8046c4963ef8602be87322233cc2a17dd21494d7a228d9f8d56ac1165a8135c4691ceacfb9d05250c28cd0ddd8fd9c204affd6c3f6a1c863e11fab69574bc22dd855b3e0e06777d6920275ed2f3f15d5a5b05b06523240f8dc731f3c59a5859789e5ab8e190cba0a50527b2ea0efcb1a61b07efd153fdcb29ff5be0d6b42368734a8beae5d17a41ee2c16f4f99", 0x8d}, {&(0x7f00000000c0)='Q', 0x1}], 0x2, &(0x7f00000002c0)=[@ip_pktinfo={{0x1c, 0x0, 0x8, {0x0, @dev={0xac, 0x14, 0x14, 0x23}, @remote}}}], 0x20}, 0x0) [ 1377.304489][ T2959] batman_adv: Cannot find parent device [ 1377.586361][ T2968] batman_adv: Cannot find parent device 07:27:44 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000180)={'batadv0\x00', 0x0}) r2 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x3f00}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x48}}, 0x0) 07:27:44 executing program 2: r0 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0xffffc0fe}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:27:44 executing program 5: r0 = socket$inet6_udplite(0xa, 0x2, 0x88) sendmsg$inet(r0, &(0x7f0000000140)={&(0x7f0000000000)={0x2, 0x4e24, @local}, 0x10, 0x0, 0x0, &(0x7f0000000080), 0x18}, 0x0) 07:27:44 executing program 4: r0 = openat$ttyS3(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$TCGETS2(r0, 0x802c542a, 0x0) 07:27:44 executing program 3: r0 = openat$sndtimer(0xffffffffffffff9c, &(0x7f0000000040), 0x0) ioctl$SNDRV_TIMER_IOCTL_NEXT_DEVICE(r0, 0xc0189436, &(0x7f0000000000)) 07:27:44 executing program 1: r0 = socket$nl_route(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$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x3a000000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) [ 1378.177505][ T2979] batman_adv: Cannot find parent device [ 1378.214539][ T2982] batman_adv: Cannot find parent device [ 1378.228935][ T2982] batman_adv: batadv0: Adding interface: ip6gretap762 [ 1378.236491][ T2982] batman_adv: batadv0: The MTU of interface ip6gretap762 is too small (1434) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1378.263998][ T2982] batman_adv: batadv0: Not using interface ip6gretap762 (retrying later): interface not active 07:27:45 executing program 5: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_buf(r0, 0x29, 0xcd, 0x0, 0x0) [ 1378.494065][ T2991] batman_adv: Cannot find parent device 07:27:45 executing program 2: r0 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0xffffe000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:27:45 executing program 3: openat$procfs(0xffffffffffffff9c, &(0x7f00000000c0)='/proc/bus/input/devices\x00', 0x0, 0x0) 07:27:45 executing program 4: add_key$fscrypt_v1(&(0x7f0000000200), 0x0, 0x0, 0x0, 0xfffffffffffffff9) 07:27:45 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000180)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x4000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x48}}, 0x0) 07:27:45 executing program 1: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$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, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x3f000000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:27:45 executing program 5: openat$hwrng(0xffffffffffffff9c, &(0x7f0000000000), 0x80401, 0x0) [ 1379.116916][ T3001] batman_adv: Cannot find parent device 07:27:45 executing program 4: r0 = add_key$fscrypt_v1(&(0x7f0000000300), &(0x7f0000000240)={'fscrypt:', @desc4}, &(0x7f0000000340)={0x0, "aaaa177a11d453729103000000d6671289bc9a9cc9139b21895d9081b47dfe18f9f9d50ae8ca508d0e5d2505be9be1c800"}, 0x48, 0xfffffffffffffffe) keyctl$set_timeout(0xf, r0, 0x0) [ 1379.568692][ T3013] batman_adv: Cannot find parent device [ 1379.582417][ T3013] batman_adv: batadv0: Adding interface: ip6gretap763 [ 1379.593070][ T3013] batman_adv: batadv0: The MTU of interface ip6gretap763 is too small (1434) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1379.620461][ T3013] batman_adv: batadv0: Not using interface ip6gretap763 (retrying later): interface not active 07:27:46 executing program 2: r0 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0xffffff7f}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:27:46 executing program 3: r0 = gettid() kcmp$KCMP_EPOLL_TFD(0xffffffffffffffff, r0, 0x7, 0xffffffffffffffff, 0x0) [ 1379.668184][ T3014] batman_adv: Cannot find parent device 07:27:46 executing program 5: r0 = syz_open_dev$loop(&(0x7f0000000000), 0x600000000, 0x0) ioctl$LOOP_GET_STATUS(r0, 0x4c03, &(0x7f00000000c0)) [ 1380.045355][ T3028] batman_adv: Cannot find parent device [ 1380.055597][ T3028] device ip6gretap961 entered promiscuous mode 07:27:46 executing program 4: r0 = openat$khugepaged_scan(0xffffffffffffff9c, &(0x7f0000000040), 0x1, 0x0) r1 = syz_open_dev$loop(&(0x7f0000000000), 0x4, 0x0) ioctl$LOOP_SET_FD(r1, 0x4c00, r0) 07:27:46 executing program 1: r0 = socket$nl_route(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$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x40000000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:27:46 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000180)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x4788}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x48}}, 0x0) 07:27:47 executing program 3: r0 = socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nl80211(&(0x7f0000001740), r0) sendmsg$TEAM_CMD_OPTIONS_GET(r0, &(0x7f0000000840)={0x0, 0x0, &(0x7f0000000800)={&(0x7f0000000340)={0x14, 0x0, 0x1}, 0x14}}, 0x0) 07:27:47 executing program 2: r0 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0xffffff81}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) [ 1380.571633][ T3038] loop4: detected capacity change from 0 to 8 [ 1380.702649][ T3044] batman_adv: Cannot find parent device [ 1380.759224][ T3051] batman_adv: Cannot find parent device [ 1380.774836][ T3051] batman_adv: batadv0: Adding interface: ip6gretap764 [ 1380.782195][ T3051] batman_adv: batadv0: The MTU of interface ip6gretap764 is too small (1434) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1380.810351][ T3051] batman_adv: batadv0: Not using interface ip6gretap764 (retrying later): interface not active 07:27:47 executing program 5: r0 = openat$procfs(0xffffffffffffff9c, &(0x7f0000001300)='/proc/timer_list\x00', 0x0, 0x0) epoll_ctl$EPOLL_CTL_DEL(r0, 0x2, r0) [ 1380.950761][ C0] blk_update_request: I/O error, dev loop4, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 0 [ 1380.977804][ C0] blk_update_request: I/O error, dev loop4, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 [ 1380.989206][ C0] Buffer I/O error on dev loop4, logical block 0, async page read 07:27:47 executing program 4: r0 = syz_open_dev$loop(&(0x7f0000000040), 0x0, 0x6902) r1 = dup2(r0, r0) ioctl$LOOP_SET_CAPACITY(r1, 0x4c07) [ 1381.008327][ C0] blk_update_request: I/O error, dev loop4, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 [ 1381.019984][ C0] Buffer I/O error on dev loop4, logical block 0, async page read [ 1381.069501][ C0] blk_update_request: I/O error, dev loop4, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 [ 1381.081251][ C0] Buffer I/O error on dev loop4, logical block 0, async page read [ 1381.107948][ C0] blk_update_request: I/O error, dev loop4, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 [ 1381.120059][ C0] Buffer I/O error on dev loop4, logical block 0, async page read [ 1381.135905][ C0] blk_update_request: I/O error, dev loop4, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 [ 1381.147775][ C0] Buffer I/O error on dev loop4, logical block 0, async page read [ 1381.165651][ C0] blk_update_request: I/O error, dev loop4, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 [ 1381.177260][ C0] Buffer I/O error on dev loop4, logical block 0, async page read [ 1381.189122][ C0] blk_update_request: I/O error, dev loop4, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 [ 1381.201103][ C0] Buffer I/O error on dev loop4, logical block 0, async page read [ 1381.214070][ C0] blk_update_request: I/O error, dev loop4, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 [ 1381.226135][ C0] Buffer I/O error on dev loop4, logical block 0, async page read [ 1381.239046][ C0] blk_update_request: I/O error, dev loop4, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 [ 1381.250875][ C0] Buffer I/O error on dev loop4, logical block 0, async page read 07:27:47 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000500)={0x0, 0x0, &(0x7f00000004c0)={&(0x7f0000000280)=@newlinkprop={0x20, 0x6c, 0x1}, 0x20}}, 0x0) [ 1381.268883][ C0] Buffer I/O error on dev loop4, logical block 0, async page read 07:27:47 executing program 1: r0 = socket$nl_route(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$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x42090000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:27:47 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000180)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x4800}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x48}}, 0x0) [ 1381.641491][ T3067] batman_adv: Cannot find parent device [ 1381.651353][ T3067] device ip6gretap962 entered promiscuous mode 07:27:48 executing program 4: r0 = socket$inet_udp(0x2, 0x2, 0x0) ioctl$sock_inet_SIOCGIFBRDADDR(r0, 0x8919, &(0x7f0000000040)={'ip_vti0\x00', {0x2, 0x0, @multicast2}}) 07:27:48 executing program 5: r0 = socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$ipvs(&(0x7f0000000380), r0) 07:27:48 executing program 3: r0 = socket$inet_udp(0x2, 0x2, 0x0) getsockopt$inet_IP_IPSEC_POLICY(r0, 0x0, 0x10, 0x0, &(0x7f0000000200)) [ 1382.020643][ T3075] batman_adv: Cannot find parent device [ 1382.036136][ T3075] batman_adv: batadv0: Adding interface: ip6gretap765 [ 1382.043729][ T3075] batman_adv: batadv0: The MTU of interface ip6gretap765 is too small (1434) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1382.074881][ T3075] batman_adv: batadv0: Not using interface ip6gretap765 (retrying later): interface not active [ 1382.126198][ T3077] batman_adv: Cannot find parent device 07:27:48 executing program 1: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$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, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x48000000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:27:48 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0xffffff9e}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:27:48 executing program 4: r0 = socket$nl_route(0x10, 0x3, 0x0) socket$inet(0x2, 0x6, 0xfffffff9) ioctl$sock_SIOCGIFBR(r0, 0x8940, &(0x7f0000000000)=@add_del={0x2, &(0x7f0000000040)='netpci0\x00'}) getsockopt$sock_buf(r0, 0x1, 0x2b, 0x0, &(0x7f0000000200)) r1 = openat$hwrng(0xffffffffffffff9c, &(0x7f0000000080), 0x8000, 0x0) ioctl$sock_inet_udp_SIOCINQ(r1, 0x541b, &(0x7f00000000c0)) 07:27:49 executing program 3: r0 = socket$packet(0x11, 0x3, 0x300) recvmmsg(r0, 0x0, 0x0, 0x0, &(0x7f0000002440)={0x0, 0x989680}) 07:27:49 executing program 5: r0 = shmget$private(0x0, 0x3000, 0x0, &(0x7f0000ffa000/0x3000)=nil) shmat(r0, &(0x7f0000ffe000/0x2000)=nil, 0x4000) shmat(r0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) shmat(0x0, &(0x7f0000ffe000/0x2000)=nil, 0x4000) shmat(0x0, &(0x7f0000fff000/0x1000)=nil, 0x4000) 07:27:49 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000180)={'batadv0\x00', 0x0}) r2 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x4888}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x48}}, 0x0) [ 1382.721684][ T3090] batman_adv: Cannot find parent device [ 1382.899701][ T3096] batman_adv: Cannot find parent device [ 1382.908433][ T3096] device ip6gretap963 entered promiscuous mode 07:27:49 executing program 4: r0 = socket$inet(0x2, 0x3, 0x5) setsockopt$inet_udp_encap(r0, 0x11, 0x64, 0x0, 0x0) 07:27:49 executing program 1: r0 = socket$nl_route(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$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x4a000000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) [ 1383.238528][ T3107] batman_adv: Cannot find parent device [ 1383.253984][ T3107] batman_adv: batadv0: Adding interface: ip6gretap766 07:27:49 executing program 5: r0 = socket$inet6_udplite(0xa, 0x2, 0x88) sendmsg$inet(r0, &(0x7f0000000380)={&(0x7f0000000140)={0x2, 0x4e21, @broadcast}, 0x10, 0x0, 0x0, &(0x7f00000004c0)=[@ip_pktinfo={{0x1c, 0x0, 0x8, {0x0, @dev={0xac, 0x14, 0x14, 0xd}, @private}}}], 0x20}, 0x0) [ 1383.261287][ T3107] batman_adv: batadv0: The MTU of interface ip6gretap766 is too small (1434) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1383.289766][ T3107] batman_adv: batadv0: Not using interface ip6gretap766 (retrying later): interface not active 07:27:49 executing program 3: r0 = socket$inet6_udplite(0xa, 0x2, 0x88) sendmsg$inet(r0, &(0x7f0000000340)={&(0x7f0000000080)={0x2, 0x4e24, @multicast1}, 0x10, &(0x7f0000000280)=[{&(0x7f0000000180)="8046c4963ef8602be87322233cc2a17dd21494d7a228d9f8d56ac1165a8135c4691ceacfb9d05250c28cd0ddd8fd9c204affd6c3f6a1c863e11fab69574bc22dd855b3e0e06777d6920275ed2f3f15d5a5b05b06523240f8dc731f3c59a5859789e5ab8e190cba0a50527b2ea0efcb1a61b07efd153fdcb29ff5be0d6b42368734a8beae5d17a41ee2c16f4f", 0x8c}, {0x0}], 0x2, &(0x7f00000002c0)=[@ip_pktinfo={{0x1c, 0x0, 0x8, {0x0, @dev={0xac, 0x14, 0x14, 0x23}, @remote}}}], 0x20}, 0x0) 07:27:49 executing program 2: r0 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0xffffffc3}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) [ 1383.694017][ T3119] batman_adv: Cannot find parent device 07:27:50 executing program 5: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) recvmsg(r0, &(0x7f0000006300)={0x0, 0x0, 0x0}, 0x8002) 07:27:50 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000180)={'batadv0\x00', 0x0}) r2 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x4a00}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x48}}, 0x0) 07:27:50 executing program 4: pselect6(0x40, &(0x7f0000000000), 0x0, &(0x7f0000000080)={0x1}, &(0x7f00000000c0)={0x0, 0x3938700}, 0x0) 07:27:50 executing program 1: r0 = socket$nl_route(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$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x4c000000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) [ 1384.167936][ T3131] batman_adv: Cannot find parent device [ 1384.177783][ T3131] device ip6gretap964 entered promiscuous mode 07:27:50 executing program 3: r0 = shmget$private(0x0, 0x4000, 0x0, &(0x7f0000ffc000/0x4000)=nil) shmat(r0, &(0x7f0000ffe000/0x2000)=nil, 0x4000) shmat(r0, &(0x7f0000ffd000/0x3000)=nil, 0x4000) [ 1384.564458][ T3138] batman_adv: Cannot find parent device [ 1384.580053][ T3138] batman_adv: batadv0: Adding interface: ip6gretap767 [ 1384.587832][ T3138] batman_adv: batadv0: The MTU of interface ip6gretap767 is too small (1434) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1384.619386][ T3138] batman_adv: batadv0: Not using interface ip6gretap767 (retrying later): interface not active [ 1384.670040][ T3142] batman_adv: Cannot find parent device 07:27:51 executing program 5: openat$procfs(0xffffffffffffff9c, &(0x7f0000000280)='/proc/cpuinfo\x00', 0x0, 0x0) 07:27:51 executing program 2: r0 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0xffffffe0}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:27:51 executing program 3: timer_create(0x2, &(0x7f0000000200)={0x0, 0x0, 0x1, @thr={0x0, 0x0}}, &(0x7f0000000240)) 07:27:51 executing program 4: r0 = syz_open_dev$loop(&(0x7f0000000040), 0x0, 0x81) ioctl$LOOP_SET_STATUS(r0, 0x4c02, &(0x7f0000000080)={0x0, {}, 0x0, {}, 0x0, 0x0, 0x15, 0x0, "115dd8c14d9620997eaf47b854246e400f1d3a05e6273727f4c537592431ff5543074fd56d849f032f788e6a12f54b5523f05cd7ec3e54cd75bd88d9057a682f", "9ce15ca685d7b78697723f31410727ba09991fb5949fbd50f88ef460745beb0f", [0x20, 0x1000]}) 07:27:51 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000180)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x4c00}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x48}}, 0x0) 07:27:51 executing program 1: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$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, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x60000000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) [ 1385.330987][ T3156] batman_adv: Cannot find parent device [ 1385.339814][ T3156] device ip6gretap965 entered promiscuous mode 07:27:52 executing program 5: pipe(&(0x7f00000000c0)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = socket$inet_udp(0x2, 0x2, 0x0) close(r2) socket$nl_route(0x10, 0x3, 0x0) r3 = socket(0x11, 0x2, 0x0) bind(r3, &(0x7f0000000080)=@generic={0x11, "000001000000000008fc9d71fc00000000000000f8ffff002e0b3836005404b0d6301a4ce875f2e3ff5f163ee340b76795008000f8000000000104003c5811039e15775027ecce66fd792bbf0e5bf5ff9b0816f3f6db1c00010000000000000049740000000000000006ad8e5ecc326d3a09ff42c65400"}, 0x80) getsockname$packet(r3, &(0x7f0000000400)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000500)=0x14) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000000)=ANY=[@ANYBLOB="240000002a00310f00"/20, @ANYRES32=r4], 0x24}}, 0x0) write$binfmt_misc(r1, &(0x7f0000000000)=ANY=[], 0x96a4549) splice(r0, 0x0, r2, 0x0, 0x4ffd9, 0x0) 07:27:52 executing program 3: r0 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_ipv4_tunnel_SIOCCHGTUNNEL(r0, 0x89f3, &(0x7f00000009c0)={'gre0\x00', 0x0}) [ 1385.737139][ T3169] batman_adv: Cannot find parent device [ 1385.752655][ T3169] batman_adv: batadv0: Adding interface: ip6gretap768 [ 1385.760274][ T3169] batman_adv: batadv0: The MTU of interface ip6gretap768 is too small (1434) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 07:27:52 executing program 4: r0 = socket$inet(0x2, 0x5, 0x0) sendmsg$unix(0xffffffffffffffff, &(0x7f0000002500)={0x0, 0x0, &(0x7f00000012c0)=[{&(0x7f00000002c0)="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", 0xf81}], 0x1}, 0x0) sendmsg(r0, &(0x7f0000001340)={&(0x7f0000000040)=@in6={0x1c, 0x1c, 0x1}, 0x1c, 0x0, 0x0, &(0x7f0000001240)=ANY=[], 0x10}, 0x0) [ 1385.787938][ T3169] batman_adv: batadv0: Not using interface ip6gretap768 (retrying later): interface not active 07:27:52 executing program 2: r0 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0xfffffff0}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:27:52 executing program 1: r0 = socket$nl_route(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$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x65580000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:27:52 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000180)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x5865}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x48}}, 0x0) [ 1386.307371][ T3183] batman_adv: Cannot find parent device [ 1386.316043][ T3183] device ip6gretap966 entered promiscuous mode [ 1386.356984][ T3182] batman_adv: Cannot find parent device 07:27:52 executing program 3: syz_mount_image$tmpfs(&(0x7f0000000080), &(0x7f00000000c0)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000700)=ANY=[@ANYBLOB='mode=0']) 07:27:53 executing program 4: syz_mount_image$tmpfs(&(0x7f0000000200), &(0x7f0000000240)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000001c00)={[{@mpol={'mpol', 0x3d, {'interleave'}}}]}) [ 1386.758957][ T3193] batman_adv: Cannot find parent device [ 1386.774274][ T3193] batman_adv: batadv0: Adding interface: ip6gretap769 [ 1386.782124][ T3193] batman_adv: batadv0: The MTU of interface ip6gretap769 is too small (1434) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1386.809528][ T3193] batman_adv: batadv0: Not using interface ip6gretap769 (retrying later): interface not active 07:27:53 executing program 1: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$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, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x68000000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:27:53 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0xfffffffc}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:27:53 executing program 5: getresgid(0x0, 0x0, 0x0) syz_mount_image$tmpfs(&(0x7f0000002800), &(0x7f0000003dc0)='./file1\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f00000042c0)={[{@mpol={'mpol', 0x3d, {'bind', '=static', @void}}}]}) 07:27:53 executing program 3: r0 = socket$nl_generic(0x10, 0x3, 0x10) recvmmsg(r0, &(0x7f0000002f00)=[{{0x0, 0x0, &(0x7f0000000140)=[{0x0}], 0x1}}, {{0x0, 0x0, &(0x7f0000002dc0)=[{&(0x7f0000000400)=""/14, 0xe}, {&(0x7f0000001c40)=""/69, 0x45}], 0x2}}], 0x2, 0x0, 0x0) syz_genetlink_get_family_id$ethtool(&(0x7f0000003380), r0) syz_open_dev$vcsn(0x0, 0x0, 0x0) socketpair(0x0, 0x0, 0x0, 0x0) [ 1387.224559][ T3200] batman_adv: Cannot find parent device 07:27:53 executing program 1: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$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, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x6a000000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:27:53 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000180)={'batadv0\x00', 0x0}) r2 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x6000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x48}}, 0x0) [ 1387.419285][ T3206] tmpfs: Bad value for 'mpol' [ 1387.432079][ T3206] tmpfs: Bad value for 'mpol' 07:27:54 executing program 4: syz_mount_image$tmpfs(&(0x7f0000000040), &(0x7f0000000080)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f00000002c0)={[{@mode={'mode', 0x3d, 0x100000001}}]}) [ 1387.648354][ T3210] tmpfs: Bad value for 'mpol' [ 1387.689026][ T3211] batman_adv: Cannot find parent device [ 1387.697992][ T3211] device ip6gretap967 entered promiscuous mode [ 1387.831023][ T3218] batman_adv: Cannot find parent device 07:27:54 executing program 5: r0 = socket$nl_audit(0x10, 0x3, 0x9) sendmmsg(r0, &(0x7f0000003c40)=[{{&(0x7f00000027c0)=@sco={0x10}, 0x80, 0x0}}], 0x300, 0x0) [ 1388.107334][ T3224] batman_adv: Cannot find parent device [ 1388.121085][ T3224] batman_adv: batadv0: Adding interface: ip6gretap770 [ 1388.128437][ T3224] batman_adv: batadv0: The MTU of interface ip6gretap770 is too small (1434) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1388.156227][ T3224] batman_adv: batadv0: Not using interface ip6gretap770 (retrying later): interface not active 07:27:54 executing program 1: r0 = socket$nl_route(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$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x6c000000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) [ 1388.280613][ T3228] tmpfs: Bad value for 'mode' 07:27:54 executing program 2: r0 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0xfffffffe}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) [ 1388.327240][ T3228] tmpfs: Bad value for 'mode' 07:27:54 executing program 4: clone(0xe5a83500, 0x0, 0x0, 0x0, 0x0) [ 1388.708296][ T3230] not chained 270000 origins [ 1388.712928][ T3230] CPU: 0 PID: 3230 Comm: syz-executor.5 Tainted: G W 5.12.0-rc6-syzkaller #0 [ 1388.712928][ T3230] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1388.712928][ T3230] Call Trace: [ 1388.712928][ T3230] dump_stack+0x24c/0x2e0 [ 1388.712928][ T3230] kmsan_internal_chain_origin+0x6f/0x130 [ 1388.712928][ T3230] ? kmsan_get_metadata+0x116/0x180 [ 1388.712928][ T3230] ? kmsan_set_origin_checked+0xa2/0x100 [ 1388.712928][ T3230] ? kmsan_internal_unpoison_shadow+0x2f/0x40 [ 1388.712928][ T3230] ? __msan_instrument_asm_store+0x104/0x130 [ 1388.768252][ T3236] batman_adv: Cannot find parent device [ 1388.712928][ T3230] ? kmsan_get_metadata+0x116/0x180 [ 1388.712928][ T3230] ? kmsan_get_metadata+0x116/0x180 [ 1388.712928][ T3230] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 1388.712928][ T3230] ? __msan_metadata_ptr_for_load_8+0x10/0x20 [ 1388.783263][ T3230] ? kmsan_get_metadata+0x116/0x180 [ 1388.783263][ T3230] ? kmsan_set_origin_checked+0xa2/0x100 [ 1388.783263][ T3230] ? kmsan_internal_unpoison_shadow+0x2f/0x40 [ 1388.783263][ T3230] ? kmsan_unpoison_shadow+0x74/0xa0 [ 1388.783263][ T3230] ? _copy_from_user+0x1fd/0x300 [ 1388.783263][ T3230] __msan_chain_origin+0x54/0xa0 [ 1388.783263][ T3230] __get_compat_msghdr+0x6db/0x9d0 [ 1388.783263][ T3230] get_compat_msghdr+0x108/0x2b0 [ 1388.783263][ T3230] __sys_sendmmsg+0x79d/0x1010 [ 1388.783263][ T3230] ? kmsan_internal_check_memory+0xb3/0x500 [ 1388.783263][ T3230] ? _copy_to_user+0x1d2/0x270 [ 1388.783263][ T3230] ? kmsan_get_metadata+0x116/0x180 [ 1388.783263][ T3230] __se_compat_sys_sendmmsg+0xcd/0xf0 [ 1388.783263][ T3230] __ia32_compat_sys_sendmmsg+0x56/0x70 [ 1388.783263][ T3230] __do_fast_syscall_32+0x127/0x180 [ 1388.783263][ T3230] do_fast_syscall_32+0x77/0xd0 [ 1388.783263][ T3230] do_SYSENTER_32+0x73/0x90 [ 1388.783263][ T3230] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1388.783263][ T3230] RIP: 0023:0xf7fb6549 [ 1388.783263][ T3230] Code: 03 74 c0 01 10 05 03 74 b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 8d b4 26 00 00 00 00 8d b4 26 00 00 00 00 [ 1388.783263][ T3230] RSP: 002b:00000000f55b05fc EFLAGS: 00000296 ORIG_RAX: 0000000000000159 [ 1388.930534][ T3230] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000020003c40 [ 1388.930534][ T3230] RDX: 0000000000000300 RSI: 0000000000000000 RDI: 0000000000000000 [ 1388.930534][ T3230] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 1388.930534][ T3230] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 1388.930534][ T3230] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 1388.930534][ T3230] Uninit was stored to memory at: [ 1388.930534][ T3230] kmsan_internal_chain_origin+0xad/0x130 [ 1388.930534][ T3230] __msan_chain_origin+0x54/0xa0 [ 1388.930534][ T3230] __get_compat_msghdr+0x6db/0x9d0 [ 1388.930534][ T3230] get_compat_msghdr+0x108/0x2b0 [ 1388.930534][ T3230] __sys_sendmmsg+0x79d/0x1010 [ 1388.930534][ T3230] __se_compat_sys_sendmmsg+0xcd/0xf0 [ 1388.930534][ T3230] __ia32_compat_sys_sendmmsg+0x56/0x70 [ 1388.930534][ T3230] __do_fast_syscall_32+0x127/0x180 [ 1388.930534][ T3230] do_fast_syscall_32+0x77/0xd0 [ 1388.930534][ T3230] do_SYSENTER_32+0x73/0x90 [ 1388.930534][ T3230] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1388.930534][ T3230] [ 1388.930534][ T3230] Uninit was stored to memory at: [ 1389.043362][ T3230] kmsan_internal_chain_origin+0xad/0x130 [ 1389.043362][ T3230] __msan_chain_origin+0x54/0xa0 [ 1389.043362][ T3230] __get_compat_msghdr+0x6db/0x9d0 [ 1389.043362][ T3230] get_compat_msghdr+0x108/0x2b0 [ 1389.043362][ T3230] __sys_sendmmsg+0x79d/0x1010 [ 1389.043362][ T3230] __se_compat_sys_sendmmsg+0xcd/0xf0 [ 1389.043362][ T3230] __ia32_compat_sys_sendmmsg+0x56/0x70 [ 1389.043362][ T3230] __do_fast_syscall_32+0x127/0x180 [ 1389.043362][ T3230] do_fast_syscall_32+0x77/0xd0 [ 1389.043362][ T3230] do_SYSENTER_32+0x73/0x90 [ 1389.043362][ T3230] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1389.043362][ T3230] [ 1389.043362][ T3230] Uninit was stored to memory at: [ 1389.043362][ T3230] kmsan_internal_chain_origin+0xad/0x130 [ 1389.043362][ T3230] __msan_chain_origin+0x54/0xa0 [ 1389.043362][ T3230] __get_compat_msghdr+0x6db/0x9d0 [ 1389.043362][ T3230] get_compat_msghdr+0x108/0x2b0 [ 1389.043362][ T3230] __sys_sendmmsg+0x79d/0x1010 [ 1389.043362][ T3230] __se_compat_sys_sendmmsg+0xcd/0xf0 [ 1389.043362][ T3230] __ia32_compat_sys_sendmmsg+0x56/0x70 [ 1389.043362][ T3230] __do_fast_syscall_32+0x127/0x180 [ 1389.043362][ T3230] do_fast_syscall_32+0x77/0xd0 [ 1389.043362][ T3230] do_SYSENTER_32+0x73/0x90 [ 1389.043362][ T3230] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1389.043362][ T3230] [ 1389.043362][ T3230] Uninit was stored to memory at: [ 1389.043362][ T3230] kmsan_internal_chain_origin+0xad/0x130 [ 1389.043362][ T3230] __msan_chain_origin+0x54/0xa0 [ 1389.043362][ T3230] __get_compat_msghdr+0x6db/0x9d0 [ 1389.043362][ T3230] get_compat_msghdr+0x108/0x2b0 [ 1389.043362][ T3230] __sys_sendmmsg+0x79d/0x1010 [ 1389.043362][ T3230] __se_compat_sys_sendmmsg+0xcd/0xf0 [ 1389.043362][ T3230] __ia32_compat_sys_sendmmsg+0x56/0x70 [ 1389.043362][ T3230] __do_fast_syscall_32+0x127/0x180 [ 1389.043362][ T3230] do_fast_syscall_32+0x77/0xd0 [ 1389.043362][ T3230] do_SYSENTER_32+0x73/0x90 [ 1389.043362][ T3230] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1389.043362][ T3230] [ 1389.043362][ T3230] Uninit was stored to memory at: [ 1389.043362][ T3230] kmsan_internal_chain_origin+0xad/0x130 [ 1389.043362][ T3230] __msan_chain_origin+0x54/0xa0 [ 1389.043362][ T3230] __get_compat_msghdr+0x6db/0x9d0 [ 1389.043362][ T3230] get_compat_msghdr+0x108/0x2b0 [ 1389.043362][ T3230] __sys_sendmmsg+0x79d/0x1010 [ 1389.043362][ T3230] __se_compat_sys_sendmmsg+0xcd/0xf0 [ 1389.043362][ T3230] __ia32_compat_sys_sendmmsg+0x56/0x70 [ 1389.043362][ T3230] __do_fast_syscall_32+0x127/0x180 [ 1389.043362][ T3230] do_fast_syscall_32+0x77/0xd0 [ 1389.043362][ T3230] do_SYSENTER_32+0x73/0x90 [ 1389.043362][ T3230] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1389.043362][ T3230] [ 1389.043362][ T3230] Uninit was stored to memory at: [ 1389.043362][ T3230] kmsan_internal_chain_origin+0xad/0x130 [ 1389.043362][ T3230] __msan_chain_origin+0x54/0xa0 [ 1389.043362][ T3230] __get_compat_msghdr+0x6db/0x9d0 [ 1389.043362][ T3230] get_compat_msghdr+0x108/0x2b0 [ 1389.043362][ T3230] __sys_sendmmsg+0x79d/0x1010 [ 1389.043362][ T3230] __se_compat_sys_sendmmsg+0xcd/0xf0 [ 1389.043362][ T3230] __ia32_compat_sys_sendmmsg+0x56/0x70 [ 1389.043362][ T3230] __do_fast_syscall_32+0x127/0x180 [ 1389.043362][ T3230] do_fast_syscall_32+0x77/0xd0 [ 1389.043362][ T3230] do_SYSENTER_32+0x73/0x90 [ 1389.043362][ T3230] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1389.043362][ T3230] [ 1389.043362][ T3230] Uninit was stored to memory at: [ 1389.043362][ T3230] kmsan_internal_chain_origin+0xad/0x130 [ 1389.043362][ T3230] __msan_chain_origin+0x54/0xa0 [ 1389.043362][ T3230] __get_compat_msghdr+0x6db/0x9d0 [ 1389.043362][ T3230] get_compat_msghdr+0x108/0x2b0 [ 1389.043362][ T3230] __sys_sendmmsg+0x79d/0x1010 [ 1389.043362][ T3230] __se_compat_sys_sendmmsg+0xcd/0xf0 [ 1389.043362][ T3230] __ia32_compat_sys_sendmmsg+0x56/0x70 [ 1389.043362][ T3230] __do_fast_syscall_32+0x127/0x180 [ 1389.043362][ T3230] do_fast_syscall_32+0x77/0xd0 [ 1389.043362][ T3230] do_SYSENTER_32+0x73/0x90 [ 1389.043362][ T3230] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 1389.043362][ T3230] [ 1389.043362][ T3230] Local variable ----msg_sys@__sys_sendmmsg created at: [ 1389.043362][ T3230] __sys_sendmmsg+0xbd/0x1010 07:27:55 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000180)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x6558}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x48}}, 0x0) [ 1389.043362][ T3230] __sys_sendmmsg+0xbd/0x1010 [ 1389.560853][ T3237] batman_adv: Cannot find parent device [ 1389.569835][ T3237] device ip6gretap968 entered promiscuous mode 07:27:56 executing program 3: r0 = socket$inet_icmp_raw(0x2, 0x3, 0x1) sendmsg(r0, &(0x7f0000000880)={&(0x7f0000000040)=@in={0x10, 0x2}, 0x10, 0x0}, 0x0) 07:27:56 executing program 1: r0 = socket$nl_route(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$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x74000000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) [ 1389.739544][ T3247] IPVS: ftp: loaded support on port[0] = 21 07:27:56 executing program 2: r0 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:27:56 executing program 5: mlock2(&(0x7f0000ffd000/0x2000)=nil, 0x2000, 0x0) prctl$PR_SET_MM(0x23, 0x7, &(0x7f0000ffc000/0x4000)=nil) [ 1390.277228][ T3247] IPVS: ftp: loaded support on port[0] = 21 [ 1390.481159][ T3274] batman_adv: Cannot find parent device [ 1390.641122][ T3300] batman_adv: Cannot find parent device [ 1390.705717][ T3303] batman_adv: Cannot find parent device [ 1390.723637][ T3303] batman_adv: batadv0: Adding interface: ip6gretap771 07:27:57 executing program 5: r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$DEVLINK_CMD_SB_PORT_POOL_SET(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000300)=ANY=[@ANYBLOB="cc010000", @ANYRES16, @ANYBLOB="17"], 0x1cc}}, 0x0) clock_gettime(0x0, &(0x7f0000007fc0)) recvmmsg(r0, &(0x7f0000007d40)=[{{0x0, 0x0, 0x0}}], 0x1, 0x0, 0x0) 07:27:57 executing program 1: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$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, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x76020000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) [ 1390.731148][ T3303] batman_adv: batadv0: The MTU of interface ip6gretap771 is too small (1434) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1390.757964][ T3303] batman_adv: batadv0: Not using interface ip6gretap771 (retrying later): interface not active 07:27:57 executing program 3: r0 = socket$alg(0x26, 0x5, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r1, 0x0) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) bind$alg(r0, &(0x7f0000000080)={0x26, 'hash\x00', 0x0, 0x0, 'sha256-generic\x00'}, 0x58) r2 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$alg(r2, &(0x7f0000001380)=[{0x0, 0x0, &(0x7f0000000340)=[{&(0x7f0000000000)='}', 0x1}, {&(0x7f0000000180)="45c42eadcd131ea25f0b0d57ff425c590c58a2832071d5bd907535397d0ab53c09e75070bed842159880ea73a956f71875a2cbb6a55a6faf9a05205c93720e05d5154d55893ffb0859198819fb60023fb85916b47d963ade8ae8c1006cc82ff29a17e2a27b150ca61417d490f02f069d102eb819d362c412900940c90ab232", 0x7f}, {&(0x7f0000000240)="89", 0x1}, {&(0x7f0000000280)="b0", 0x1}], 0x4}], 0x1, 0x0) 07:27:57 executing program 2: r0 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:27:57 executing program 4: syz_mount_image$tmpfs(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000240)={[], [{@measure}]}) 07:27:57 executing program 5: syz_mount_image$tmpfs(0x0, 0x0, 0x0, 0x0, &(0x7f0000000200), 0x0, 0x0) [ 1391.414205][ T3312] batman_adv: Cannot find parent device 07:27:58 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000180)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x6800}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x48}}, 0x0) [ 1391.664750][ T3323] batman_adv: Cannot find parent device 07:27:58 executing program 3: keyctl$restrict_keyring(0x9, 0xfffffffffffffffc, 0x0, 0x0) [ 1391.774448][ T3326] tmpfs: Unknown parameter 'measure' [ 1391.836796][ T3326] tmpfs: Unknown parameter 'measure' 07:27:58 executing program 1: r0 = socket$nl_route(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$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x7a000000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:27:58 executing program 4: r0 = socket$inet_tcp(0x2, 0x1, 0x0) setsockopt$inet_tcp_buf(r0, 0x6, 0x17, &(0x7f0000000000)="8ed68e5f", 0x4) 07:27:58 executing program 5: r0 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$NFT_BATCH(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000100)=ANY=[@ANYBLOB="14000000912795"], 0x3c}}, 0x0) 07:27:58 executing program 2: r0 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x3}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) [ 1392.255210][ T3335] batman_adv: Cannot find parent device [ 1392.270065][ T3335] batman_adv: batadv0: Adding interface: ip6gretap772 [ 1392.277668][ T3335] batman_adv: batadv0: The MTU of interface ip6gretap772 is too small (1434) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1392.304744][ T3335] batman_adv: batadv0: Not using interface ip6gretap772 (retrying later): interface not active 07:27:58 executing program 3: syz_io_uring_setup(0x0, 0x0, &(0x7f0000ffd000/0x3000)=nil, &(0x7f0000ffd000/0x2000)=nil, 0x0, 0x0) mmap$IORING_OFF_SQES(&(0x7f0000ffe000/0x1000)=nil, 0x1000, 0x2, 0x10, 0xffffffffffffffff, 0x10000000) syz_io_uring_submit(0x0, 0x0, 0x0, 0x0) sendmsg$GTP_CMD_GETPDP(0xffffffffffffffff, 0x0, 0x10040) getresgid(&(0x7f00000001c0), &(0x7f0000000100)=0x0, &(0x7f0000000180)) syz_mount_image$tmpfs(&(0x7f0000000040), &(0x7f0000000080)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000380)=ANY=[@ANYBLOB='gid=', @ANYRESHEX=r0]) pivot_root(&(0x7f0000000000)='./file0\x00', &(0x7f00000000c0)='./file0\x00') [ 1392.429884][ T3339] batman_adv: Cannot find parent device 07:27:59 executing program 1: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$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, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x81000000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:27:59 executing program 5: syz_io_uring_setup(0x1840, &(0x7f0000000080), &(0x7f0000ffe000/0x1000)=nil, &(0x7f0000ffd000/0x1000)=nil, &(0x7f0000000100)=0x0, &(0x7f0000000140)) syz_io_uring_submit(r0, 0x0, 0x0, 0x0) [ 1392.890608][ T3349] batman_adv: Cannot find parent device 07:27:59 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000180)={'batadv0\x00', 0x0}) r2 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x6a00}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x48}}, 0x0) 07:27:59 executing program 4: fsopen(&(0x7f000000fa80)='pipefs\x00', 0x0) 07:27:59 executing program 2: r0 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x4}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:27:59 executing program 3: prctl$PR_SET_MM(0x23, 0x9, &(0x7f0000ff1000/0x1000)=nil) [ 1393.328137][ T3359] batman_adv: Cannot find parent device [ 1393.513609][ T3365] batman_adv: Cannot find parent device [ 1393.531837][ T3365] batman_adv: batadv0: Adding interface: ip6gretap773 [ 1393.539353][ T3365] batman_adv: batadv0: The MTU of interface ip6gretap773 is too small (1434) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1393.565836][ T3365] batman_adv: batadv0: Not using interface ip6gretap773 (retrying later): interface not active 07:28:00 executing program 5: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) recvmmsg(r0, 0x0, 0x0, 0x0, &(0x7f0000011f40)) 07:28:00 executing program 1: r0 = socket$nl_route(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$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x81ffffff}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:28:00 executing program 4: r0 = openat$ttyS3(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$TIOCGLCKTRMIOS(r0, 0x5456, &(0x7f0000000040)={0x0, 0x0, 0x0, 0x0, 0x0, "7ac2107f98ac0809e723b4e2985289807f2b95"}) [ 1394.115244][ T3377] batman_adv: Cannot find parent device 07:28:00 executing program 3: io_uring_setup(0x741d, &(0x7f0000000000)={0x0, 0x0, 0x13}) ioctl$RTC_SET_TIME(0xffffffffffffffff, 0x4024700a, 0x0) io_uring_setup(0x39f9, &(0x7f0000000080)) syz_genetlink_get_family_id$ethtool(0x0, 0xffffffffffffffff) 07:28:00 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000180)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x6c00}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x48}}, 0x0) 07:28:00 executing program 5: r0 = socket$unix(0x1, 0x1, 0x0) getsockname$unix(r0, 0x0, &(0x7f0000000500)) [ 1394.620882][ T3387] batman_adv: Cannot find parent device 07:28:01 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x5}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) [ 1394.909808][ T3397] batman_adv: Cannot find parent device [ 1394.925887][ T3397] batman_adv: batadv0: Adding interface: ip6gretap774 [ 1394.933375][ T3397] batman_adv: batadv0: The MTU of interface ip6gretap774 is too small (1434) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 07:28:01 executing program 4: clone(0xa022d00, 0x0, 0x0, 0x0, 0x0) clone(0x0, 0x0, 0x0, &(0x7f00000000c0), 0x0) r0 = syz_io_uring_setup(0x3511, &(0x7f00000007c0)={0x0, 0x0, 0x0, 0x1}, &(0x7f0000ffe000/0x2000)=nil, &(0x7f0000ffd000/0x3000)=nil, 0x0, &(0x7f0000000480)) perf_event_open(&(0x7f00000006c0)={0x4, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x2, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext={0xff, 0x6}, 0x8010, 0x7, 0xffffffff, 0x3, 0x4, 0x800, 0x0, 0x0, 0x3, 0x0, 0x3}, 0x0, 0xd, 0xffffffffffffffff, 0x4) ioctl$BTRFS_IOC_SET_RECEIVED_SUBVOL(r0, 0xc0c89425, &(0x7f00000005c0)={"39c961a10fdfe1df2679936254bcb4a2", 0x0, 0x0, {0xa493, 0x6}, {0xfffffffffffffc01, 0x4}, 0x2, [0x1, 0xbd, 0x5, 0x7f, 0x7, 0x4c98f373, 0x4, 0x7, 0x6, 0x3, 0x100000001, 0x0, 0xfffffffffffffff7, 0x2, 0x8, 0x20]}) syz_open_dev$vcsn(&(0x7f00000003c0), 0x4, 0x55dc40) ioctl$ifreq_SIOCGIFINDEX_team(0xffffffffffffffff, 0x8933, 0x0) [ 1394.960207][ T3397] batman_adv: batadv0: Not using interface ip6gretap774 (retrying later): interface not active 07:28:01 executing program 3: r0 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$NFT_BATCH(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000040)={{0x14}, [@NFT_MSG_DELSET={0x20, 0xb, 0xa, 0x301, 0x0, 0x0, {0x7}, [@NFTA_SET_TABLE={0x9, 0x1, 'syz0\x00'}]}, @NFT_MSG_NEWCHAIN={0x14, 0x3, 0xa, 0x101}, @NFT_MSG_DELTABLE={0x14}], {0x14}}, 0x70}}, 0x0) 07:28:01 executing program 5: openat$pidfd(0xffffffffffffff9c, &(0x7f0000004300), 0x492203, 0x0) 07:28:01 executing program 1: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$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, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x88470000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) [ 1395.308470][ T3408] batman_adv: Cannot find parent device 07:28:02 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000180)={'batadv0\x00', 0x0}) r2 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x7400}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x48}}, 0x0) 07:28:02 executing program 3: r0 = socket$nl_sock_diag(0x10, 0x3, 0x4) sendmsg$TCPDIAG_GETSOCK(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000280)={0x4c, 0x12, 0x1}, 0x4c}}, 0x0) 07:28:02 executing program 4: madvise(&(0x7f0000ffc000/0x4000)=nil, 0x4000, 0x65) [ 1395.819227][ T3422] batman_adv: Cannot find parent device 07:28:02 executing program 2: r0 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x6}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:28:02 executing program 5: r0 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$BTRFS_IOC_SET_RECEIVED_SUBVOL(r0, 0xc0c89425, &(0x7f0000000000)={"3ac521a2ff7635be411f0925fc697f69"}) 07:28:02 executing program 1: r0 = socket$nl_route(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$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x88480000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) [ 1396.206355][ T3429] batman_adv: Cannot find parent device [ 1396.221540][ T3429] batman_adv: batadv0: Adding interface: ip6gretap775 [ 1396.228794][ T3429] batman_adv: batadv0: The MTU of interface ip6gretap775 is too small (1434) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1396.256977][ T3429] batman_adv: batadv0: Not using interface ip6gretap775 (retrying later): interface not active [ 1396.471034][ T3437] batman_adv: Cannot find parent device 07:28:03 executing program 3: io_uring_setup(0x0, &(0x7f0000000180)) munmap(&(0x7f0000ffc000/0x1000)=nil, 0x1000) syz_io_uring_setup(0x319, &(0x7f0000000080), &(0x7f0000ff4000/0x4000)=nil, &(0x7f0000ffc000/0x1000)=nil, &(0x7f0000000100), &(0x7f0000000140)) 07:28:03 executing program 4: r0 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$NFT_BATCH(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000240)={{0x14}, [@NFT_MSG_DELFLOWTABLE={0x2b0, 0x18, 0xa, 0x0, 0x0, 0x0, {}, [@NFTA_FLOWTABLE_FLAGS={0x8}, @NFTA_FLOWTABLE_FLAGS={0x8}, @NFTA_FLOWTABLE_TABLE={0x9, 0x1, 'syz1\x00'}, @NFTA_FLOWTABLE_TABLE={0x9, 0x1, 'syz1\x00'}, @NFTA_FLOWTABLE_TABLE={0x9, 0x1, 'syz1\x00'}, @NFTA_FLOWTABLE_FLAGS={0x8}, @NFTA_FLOWTABLE_NAME={0x9, 0x2, 'syz2\x00'}, @NFTA_FLOWTABLE_HOOK={0x248, 0x3, 0x0, 0x1, [@NFTA_FLOWTABLE_HOOK_DEVS={0xcc, 0x3, 0x0, 0x1, [{0x14, 0x1, 'veth1\x00'}, {0x14, 0x1, 'veth0_to_bond\x00'}, {0x14, 0x1, 'virt_wifi0\x00'}, {0x14, 0x1, 'wg0\x00'}, {0x14, 0x1, 'ip6gretap0\x00'}, {0x14, 0x1, 'veth0_macvtap\x00'}, {0x14, 0x1, 'gretap0\x00'}, {0x14, 0x1, 'veth0_to_hsr\x00'}, {0x14, 0x1, 'team_slave_0\x00'}, {0x14, 0x1, 'netpci0\x00'}]}, @NFTA_FLOWTABLE_HOOK_NUM={0x8}, @NFTA_FLOWTABLE_HOOK_NUM={0x8}, @NFTA_FLOWTABLE_HOOK_DEVS={0x2c, 0x3, 0x0, 0x1, [{0x14, 0x1, 'veth1_vlan\x00'}, {0x14, 0x1, 'vlan0\x00'}]}, @NFTA_FLOWTABLE_HOOK_NUM={0x8}, @NFTA_FLOWTABLE_HOOK_DEVS={0xb8, 0x3, 0x0, 0x1, [{0x14, 0x1, 'ip_vti0\x00'}, {0x14, 0x1, 'ip6gre0\x00'}, {0x14, 0x1, 'geneve1\x00'}, {0x14, 0x1, 'veth0_to_bond\x00'}, {0x14, 0x1, 'macvtap0\x00'}, {0x14, 0x1, 'macvlan1\x00'}, {0x14, 0x1, 'vlan0\x00'}, {0x14, 0x1, 'batadv_slave_1\x00'}, {0x14, 0x1, 'veth0_macvtap\x00'}]}, @NFTA_FLOWTABLE_HOOK_DEVS={0x7c, 0x3, 0x0, 0x1, [{0x14, 0x1, 'dummy0\x00'}, {0x14, 0x1, 'wg1\x00'}, {0x14, 0x1, 'ip6gre0\x00'}, {0x14, 0x1, 'netdevsim0\x00'}, {0x14, 0x1, 'vlan0\x00'}, {0x14, 0x1, 'bond_slave_1\x00'}]}]}, @NFTA_FLOWTABLE_TABLE={0x9, 0x1, 'syz0\x00'}]}, @NFT_MSG_NEWRULE={0xba4, 0x6, 0xa, 0x201, 0x0, 0x0, {}, [@NFTA_RULE_EXPRESSIONS={0xb90, 0x4, 0x0, 0x1, [{0xcc, 0x1, 0x0, 0x1, [@numgen={{0xb}, @val={0x44, 0x2, 0x0, 0x1, [@NFTA_NG_TYPE={0x8}, @NFTA_NG_OFFSET={0x8}, @NFTA_NG_TYPE={0x8}, @NFTA_NG_TYPE={0x8}, @NFTA_NG_MODULUS={0x8}, @NFTA_NG_OFFSET={0x8}, @NFTA_NG_DREG={0x8}, @NFTA_NG_DREG={0x8}]}}, @rt={{0x7}, @void}, @tunnel={{0xb}, @void}, @immediate={{0xe}, @val={0xc, 0x2, 0x0, 0x1, [@NFTA_IMMEDIATE_DREG={0x8}]}}, @socket={{0xb}, @void}, @socket={{0xb}, @void}, @fib={{0x8}, @void}, @exthdr={{0xb}, @val={0x1c, 0x2, 0x0, 0x1, [@NFTA_EXTHDR_SREG={0x8}, @NFTA_EXTHDR_OP={0x8}, @NFTA_EXTHDR_DREG={0x8}]}}]}, {0x50, 0x1, 0x0, 0x1, [@dynset={{0xb}, @val={0x34, 0x2, 0x0, 0x1, [@NFTA_DYNSET_SET_NAME={0x9, 0x1, 'syz1\x00'}, @NFTA_DYNSET_SREG_KEY={0x8}, @NFTA_DYNSET_TIMEOUT={0xc}, @NFTA_DYNSET_FLAGS={0x8}, @NFTA_DYNSET_SREG_KEY={0x8}]}}, @exthdr={{0xb}, @void}]}, {0x10, 0x1, 0x0, 0x1, [@meta={{0x9}, @void}]}, {0x4d0, 0x1, 0x0, 0x1, [@cmp={{0x8}, @val={0x4c4, 0x2, 0x0, 0x1, [@NFTA_CMP_DATA={0x348, 0x3, 0x0, 0x1, [@NFTA_DATA_VERDICT={0x14, 0x2, 0x0, 0x1, [@NFTA_VERDICT_CODE={0x8}, @NFTA_VERDICT_CODE={0x8}]}, @NFTA_DATA_VALUE={0x19, 0x1, "a16b22da4a484678c057dde3af2c1b7f23b7f0876f"}, @NFTA_DATA_VALUE={0x91, 0x1, "b5bb7723e2005ce1853623268c3decd48eca6b48f8e707f1b2e47117afd753f92b39576c93dee36c4b74eae146ebd097e90ffd03af87828c88a8cae2ad20dac1639e3104305526684e8abda1e0fd46b84e5159f96f178396abc6a7b6ad7917db9c6c5aff2a5874e91acdf88ae1a3bc3f6f616044698d449208f9ecfc8fb2b46c5c6f06091f97704856d75bbb48"}, @NFTA_DATA_VALUE={0xf5, 0x1, "ba03ace5ab35ab40bdec00892bf9acdcaab1b6782a1d499be201056141e272767c9bcff77f11af0e681401e42e5d1120cc134afff8e4bf270833410f74d14f9932edc215faa8865ffc98f1b916cfde3a34fbd7b4c0a61ae04f1d6878ceaa6f0029da9feb0e359aa8630abb952b2896d29101e2bc36bd87408b72f395cd082688e0d6b379f43f8d193e203ed800b2155e230a04404b74d66754592421837cdf90a1b79ae6f103c53949b9ba3f5139ee72ff5cb758da7d0696e46b73ec91b991d22d1821b624845bd81717dd6b271d0318189eada252fd9f559c93e2448da4e2195cf607dcb9ab6e2c2ab9d318d73a02cbf6"}, @NFTA_DATA_VERDICT={0x40, 0x2, 0x0, 0x1, [@NFTA_VERDICT_CODE={0x8}, @NFTA_VERDICT_CHAIN={0x9, 0x2, 'syz0\x00'}, @NFTA_VERDICT_CODE={0x8}, @NFTA_VERDICT_CHAIN={0x9, 0x2, 'syz2\x00'}, @NFTA_VERDICT_CODE={0x8}, @NFTA_VERDICT_CHAIN={0x9, 0x2, 'syz2\x00'}]}, @NFTA_DATA_VERDICT={0x44, 0x2, 0x0, 0x1, [@NFTA_VERDICT_CHAIN={0x9, 0x2, 'syz2\x00'}, @NFTA_VERDICT_CODE={0x8}, @NFTA_VERDICT_CHAIN={0x9, 0x2, 'syz1\x00'}, @NFTA_VERDICT_CHAIN={0x9, 0x2, 'syz1\x00'}, @NFTA_VERDICT_CODE={0x8}, @NFTA_VERDICT_CHAIN={0x9, 0x2, 'syz2\x00'}]}, @NFTA_DATA_VALUE={0x29, 0x1, "7017618829bb1faa2d281bcde41a362cf5d313235fa85f0cdcf63f97a4e04032dd2d22cb82"}, @NFTA_DATA_VALUE={0xbd, 0x1, "1386e654b1bc0e77bd5f85e41a656b9d41b1a32e63950ac7d3216a0725d8e5781413c83f0d059df8d618d8991d4ab27c01e22c6ac31c162c69e75ad15ca66287cc5e9229365c279a26eb0f73b9eeb4b34f44ddb1c248aca6e148b31f040a09ca831fb902d4f24ec7cc3ab02182c685a86bf2beff963ec414c8d01c87c284587ed028df5e30d7c5972aaeff3e61e73b137ec97dfd5b6b4f98590cbe929c8c3f17b5d56c2f4c1b7e385b09360cbcd739ccde52528cbd6fcc4e93"}, @NFTA_DATA_VERDICT={0x18, 0x2, 0x0, 0x1, [@NFTA_VERDICT_CHAIN={0x9, 0x2, 'syz1\x00'}, @NFTA_VERDICT_CODE={0x8}]}]}, @NFTA_CMP_SREG={0x8}, @NFTA_CMP_DATA={0x9c, 0x3, 0x0, 0x1, [@NFTA_DATA_VERDICT={0xc, 0x2, 0x0, 0x1, [@NFTA_VERDICT_CODE={0x8}]}, @NFTA_DATA_VERDICT={0x20, 0x2, 0x0, 0x1, [@NFTA_VERDICT_CODE={0x8}, @NFTA_VERDICT_CHAIN={0x9, 0x2, 'syz0\x00'}, @NFTA_VERDICT_CODE={0x8}]}, @NFTA_DATA_VERDICT={0x14, 0x2, 0x0, 0x1, [@NFTA_VERDICT_CODE={0x8}, @NFTA_VERDICT_CODE={0x8}]}, @NFTA_DATA_VALUE={0x55, 0x1, "2db33b59298d5f2dfb80e9f048415ad3bc2dd4bae21f5d230571a5c34799472552681018c6132727d1c2940ff0a3eda74543031b196ac1cf1b30f4f335fb9ac4672c43846aca0069eb7ee1fbc97e27150e"}]}, @NFTA_CMP_DATA={0xd4, 0x3, 0x0, 0x1, [@NFTA_DATA_VALUE={0x91, 0x1, "b2247d208e5df58338dff87f531a090bf9c1e10fd7aaa5e6f515423983bb6790118f005dc9a34ed9d673822c03812ac1aab42bedba07d30c85e9ae617ce9ad192519ce40a998fec1b9e8289f676a4d66321ecde2b28a450ec6fbfb7f24a4b4f9a341f4a74c6770f2f4897979e0467ea6151a1bda06b606b0754dc4fcc0944b7ca7bce4264c085e060170e7c648"}, @NFTA_DATA_VERDICT={0x3c, 0x2, 0x0, 0x1, [@NFTA_VERDICT_CODE={0x8}, @NFTA_VERDICT_CODE={0x8}, @NFTA_VERDICT_CODE={0x8}, @NFTA_VERDICT_CHAIN={0x9, 0x2, 'syz0\x00'}, @NFTA_VERDICT_CODE={0x8}, @NFTA_VERDICT_CHAIN={0x9, 0x2, 'syz1\x00'}]}]}]}}]}, {0x2d4, 0x1, 0x0, 0x1, [@xfrm={{0x9}, @val={0xc, 0x2, 0x0, 0x1, [@NFTA_XFRM_DIR={0x5}]}}, @byteorder={{0xe}, @void}, @bitwise={{0xc}, @val={0x194, 0x2, 0x0, 0x1, [@NFTA_BITWISE_MASK={0x190, 0x4, 0x0, 0x1, [@NFTA_DATA_VERDICT={0x4c, 0x2, 0x0, 0x1, [@NFTA_VERDICT_CODE={0x8}, @NFTA_VERDICT_CHAIN={0x9, 0x2, 'syz1\x00'}, @NFTA_VERDICT_CODE={0x8}, @NFTA_VERDICT_CHAIN={0x9, 0x2, 'syz0\x00'}, @NFTA_VERDICT_CHAIN={0x9, 0x2, 'syz2\x00'}, @NFTA_VERDICT_CODE={0x8}, @NFTA_VERDICT_CHAIN={0x9, 0x2, 'syz0\x00'}]}, @NFTA_DATA_VALUE={0xb1, 0x1, "6924922e217fc5424fa1a754102182196375b7a12eccb47eae0c7309a8ffd4b07b9b2d0a30e0abc13a32679794ff7dfcf16f83f10feb8b9d9d0b92e876e58c92252d24e215e0df557271ca65cb5e4321d3869fd81b325532d0b072e553cbf4851f05f6a10754e089c3799e941b75cdbe7ad9ac25ac49f7b42b588e8f3c7b7ae3538132e965d8bfc209cdf82e2bd1d064270fd9829ece2872d10e50ad5e45d89f3ccf358220ed31949c3247ce5b"}, @NFTA_DATA_VERDICT={0x38, 0x2, 0x0, 0x1, [@NFTA_VERDICT_CODE={0x8}, @NFTA_VERDICT_CHAIN={0x9, 0x2, 'syz0\x00'}, @NFTA_VERDICT_CHAIN={0x9, 0x2, 'syz0\x00'}, @NFTA_VERDICT_CODE={0x8}, @NFTA_VERDICT_CHAIN={0x9, 0x2, 'syz2\x00'}]}, @NFTA_DATA_VERDICT={0x10, 0x2, 0x0, 0x1, [@NFTA_VERDICT_CHAIN={0x9, 0x2, 'syz1\x00'}]}, @NFTA_DATA_VERDICT={0x44, 0x2, 0x0, 0x1, [@NFTA_VERDICT_CODE={0x8}, @NFTA_VERDICT_CODE={0x8}, @NFTA_VERDICT_CODE={0x8}, @NFTA_VERDICT_CODE={0x8}, @NFTA_VERDICT_CHAIN={0x9, 0x2, 'syz1\x00'}, @NFTA_VERDICT_CODE={0x8}, @NFTA_VERDICT_CHAIN={0x9, 0x2, 'syz0\x00'}]}]}]}}, @osf={{0x8}, @val={0x54, 0x2, 0x0, 0x1, [@NFTA_OSF_TTL={0x5}, @NFTA_OSF_FLAGS={0x8}, @NFTA_OSF_TTL={0x5}, @NFTA_OSF_TTL={0x5}, @NFTA_OSF_DREG={0x8}, @NFTA_OSF_TTL={0x5}, @NFTA_OSF_FLAGS={0x8}, @NFTA_OSF_TTL={0x5}, @NFTA_OSF_TTL={0x5}, @NFTA_OSF_DREG={0x8}]}}, @nat={{0x8}, @val={0x14, 0x2, 0x0, 0x1, [@NFTA_NAT_TYPE={0x8}, @NFTA_NAT_REG_ADDR_MAX={0x8}]}}, @lookup={{0xb}, @void}, @match={{0xa}, @void}, @exthdr={{0xb}, @val={0x3c, 0x2, 0x0, 0x1, [@NFTA_EXTHDR_TYPE={0x5}, @NFTA_EXTHDR_OP={0x8}, @NFTA_EXTHDR_DREG={0x8}, @NFTA_EXTHDR_TYPE={0x5}, @NFTA_EXTHDR_OP={0x8}, @NFTA_EXTHDR_SREG={0x8}, @NFTA_EXTHDR_LEN={0x8}]}}, @dup={{0x8}, @val={0xc, 0x2, 0x0, 0x1, [@NFTA_DUP_SREG_DEV={0x8}]}}, @rt={{0x7}, @val={0x14, 0x2, 0x0, 0x1, [@NFTA_RT_DREG={0x8}, @NFTA_RT_DREG={0x8}]}}]}, {0x2bc, 0x1, 0x0, 0x1, [@log={{0x8}, @void}, @dup={{0x8}, @void}, @meta={{0x9}, @val={0x34, 0x2, 0x0, 0x1, [@NFTA_META_SREG={0x8}, @NFTA_META_KEY={0x8}, @NFTA_META_SREG={0x8}, @NFTA_META_DREG={0x8}, @NFTA_META_KEY={0x8}, @NFTA_META_DREG={0x8}]}}, @fwd={{0x8}, @val={0x24, 0x2, 0x0, 0x1, [@NFTA_FWD_NFPROTO={0x8}, @NFTA_FWD_SREG_DEV={0x8}, @NFTA_FWD_SREG_ADDR={0x8}, @NFTA_FWD_SREG_ADDR={0x8}]}}, @bitwise={{0xc}, @val={0x230, 0x2, 0x0, 0x1, [@NFTA_BITWISE_XOR={0x22c, 0x5, 0x0, 0x1, [@NFTA_DATA_VERDICT={0x58, 0x2, 0x0, 0x1, [@NFTA_VERDICT_CODE={0x8}, @NFTA_VERDICT_CODE={0x8}, @NFTA_VERDICT_CHAIN={0x9, 0x2, 'syz2\x00'}, @NFTA_VERDICT_CHAIN={0x9, 0x2, 'syz1\x00'}, @NFTA_VERDICT_CHAIN={0x9, 0x2, 'syz1\x00'}, @NFTA_VERDICT_CHAIN={0x9, 0x2, 'syz1\x00'}, @NFTA_VERDICT_CHAIN={0x9, 0x2, 'syz0\x00'}, @NFTA_VERDICT_CODE={0x8}]}, @NFTA_DATA_VERDICT={0x54, 0x2, 0x0, 0x1, [@NFTA_VERDICT_CHAIN={0x9, 0x2, 'syz0\x00'}, @NFTA_VERDICT_CHAIN={0x9, 0x2, 'syz1\x00'}, @NFTA_VERDICT_CHAIN={0x9, 0x2, 'syz1\x00'}, @NFTA_VERDICT_CHAIN={0x9, 0x2, 'syz0\x00'}, @NFTA_VERDICT_CHAIN={0x9, 0x2, 'syz0\x00'}, @NFTA_VERDICT_CODE={0x8}, @NFTA_VERDICT_CHAIN={0x9, 0x2, 'syz1\x00'}]}, @NFTA_DATA_VERDICT={0x74, 0x2, 0x0, 0x1, [@NFTA_VERDICT_CHAIN={0x9, 0x2, 'syz1\x00'}, @NFTA_VERDICT_CODE={0x8}, @NFTA_VERDICT_CODE={0x8}, @NFTA_VERDICT_CHAIN={0x9, 0x2, 'syz0\x00'}, @NFTA_VERDICT_CHAIN={0x9, 0x2, 'syz0\x00'}, @NFTA_VERDICT_CHAIN={0x9, 0x2, 'syz0\x00'}, @NFTA_VERDICT_CHAIN={0x9, 0x2, 'syz0\x00'}, @NFTA_VERDICT_CHAIN={0x9, 0x2, 'syz1\x00'}, @NFTA_VERDICT_CHAIN={0x9, 0x2, 'syz0\x00'}, @NFTA_VERDICT_CHAIN={0x9, 0x2, 'syz1\x00'}]}, @NFTA_DATA_VERDICT={0x18, 0x2, 0x0, 0x1, [@NFTA_VERDICT_CHAIN={0x9, 0x2, 'syz2\x00'}, @NFTA_VERDICT_CODE={0x8}]}, @NFTA_DATA_VERDICT={0x6c, 0x2, 0x0, 0x1, [@NFTA_VERDICT_CHAIN={0x9, 0x2, 'syz2\x00'}, @NFTA_VERDICT_CODE={0x8}, @NFTA_VERDICT_CHAIN={0x9, 0x2, 'syz1\x00'}, @NFTA_VERDICT_CHAIN={0x9, 0x2, 'syz0\x00'}, @NFTA_VERDICT_CHAIN={0x9, 0x2, 'syz0\x00'}, @NFTA_VERDICT_CODE={0x8}, @NFTA_VERDICT_CODE={0x8}, @NFTA_VERDICT_CHAIN={0x9, 0x2, 'syz2\x00'}, @NFTA_VERDICT_CHAIN={0x9, 0x2, 'syz2\x00'}, @NFTA_VERDICT_CODE={0x8}]}, @NFTA_DATA_VALUE={0x81, 0x1, "cdf1eda91b55977c124729d6fc748245c9780f2fd990366ad8a6466c34318c673943292c98f149df88b0610ab18cd174b8b0ac42ee617c403c4ce4697de3b1069ef885990b15af978693b4f6c51e7a5df20805326351ec8995f9333115deffd3223bd81faefd25aac5f0dc89937274667df2b47660e7422217ead4850e"}]}]}}]}]}]}, @NFT_MSG_NEWTABLE={0x20, 0x0, 0xa, 0x401, 0x0, 0x0, {}, [@NFTA_TABLE_NAME={0x9, 0x1, 'syz1\x00'}]}, @NFT_MSG_DELOBJ={0x28, 0x14, 0xa, 0x101, 0x0, 0x0, {}, [@NFTA_OBJ_HANDLE={0xc}, @NFTA_OBJ_TYPE={0x8}]}], {0x14}}, 0xec4}}, 0x0) [ 1396.752830][ T3444] batman_adv: Cannot find parent device 07:28:03 executing program 5: clone(0x10000200, 0x0, 0x0, 0x0, 0x0) 07:28:03 executing program 2: r0 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x7}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:28:03 executing program 1: r0 = socket$nl_route(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$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x88a8ffff}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:28:03 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000180)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x7a00}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x48}}, 0x0) 07:28:03 executing program 3: r0 = io_uring_setup(0x2a24, &(0x7f0000000180)) mmap$IORING_OFF_CQ_RING(&(0x7f0000ffd000/0x3000)=nil, 0x7ffffffff000, 0x0, 0x20011, r0, 0x8000000) 07:28:03 executing program 4: r0 = socket$inet_tcp(0x2, 0x1, 0x0) mmap(&(0x7f0000ffd000/0x3000)=nil, 0x3000, 0x0, 0x11, r0, 0x0) pipe(&(0x7f0000000000)) [ 1397.459307][ T3462] batman_adv: Cannot find parent device [ 1397.579225][ T3466] batman_adv: Cannot find parent device 07:28:04 executing program 5: r0 = socket$inet_tcp(0x2, 0x1, 0x0) setsockopt$inet_tcp_buf(r0, 0x6, 0x7, &(0x7f0000000000)='x\x00\x00\x00', 0x4) [ 1397.767627][ T3471] batman_adv: Cannot find parent device [ 1397.782006][ T3471] batman_adv: batadv0: Adding interface: ip6gretap776 [ 1397.789419][ T3471] batman_adv: batadv0: The MTU of interface ip6gretap776 is too small (1434) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1397.816084][ T3471] batman_adv: batadv0: Not using interface ip6gretap776 (retrying later): interface not active 07:28:04 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x8}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:28:04 executing program 1: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$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, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x967891f4}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:28:04 executing program 4: r0 = socket$nl_sock_diag(0x10, 0x3, 0x4) ioctl$sock_ipv4_tunnel_SIOCADDTUNNEL(r0, 0xc020660b, 0x0) 07:28:04 executing program 3: syz_genetlink_get_family_id$smc(0xfffffffffffffffe, 0xffffffffffffffff) 07:28:04 executing program 5: seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0xc, &(0x7f0000000180)={0x3, &(0x7f0000000140)=[{0x0, 0x0, 0x0, 0x193}, {0x1, 0x0, 0x0, 0xdf22}, {0x6}]}) [ 1398.588270][ T3487] batman_adv: Cannot find parent device 07:28:05 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000180)={'batadv0\x00', 0x0}) r2 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x8100}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x48}}, 0x0) [ 1398.780693][ T3492] batman_adv: Cannot find parent device 07:28:05 executing program 2: r0 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x9}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:28:05 executing program 4: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) sendmmsg$unix(r0, &(0x7f0000001a00)=[{0x0, 0x0, 0x0, 0x0, &(0x7f0000001780)=ANY=[@ANYBLOB="2c0000000000000001"], 0x30}], 0x1, 0x0) 07:28:05 executing program 1: r0 = socket$nl_route(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$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x9effffff}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) [ 1399.200931][ T34] audit: type=1326 audit(1625038085.671:51): auid=4294967295 uid=0 gid=0 ses=4294967295 subj==unconfined pid=3498 comm="syz-executor.5" exe="/root/syz-executor.5" sig=31 arch=40000003 syscall=403 compat=1 ip=0xf7fb6549 code=0x0 07:28:05 executing program 3: r0 = socket$nl_sock_diag(0x10, 0x3, 0x4) ioctl$sock_ipv4_tunnel_SIOCADDTUNNEL(r0, 0x89b1, &(0x7f0000000b80)={'tunl0\x00', 0x0}) [ 1399.382721][ T3504] batman_adv: Cannot find parent device [ 1399.397614][ T3504] batman_adv: batadv0: Adding interface: ip6gretap777 [ 1399.404908][ T3504] batman_adv: batadv0: The MTU of interface ip6gretap777 is too small (1434) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1399.431758][ T3504] batman_adv: batadv0: Not using interface ip6gretap777 (retrying later): interface not active [ 1399.760423][ T3510] batman_adv: Cannot find parent device [ 1399.810931][ T3513] batman_adv: Cannot find parent device 07:28:06 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000180)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x8847}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x48}}, 0x0) 07:28:06 executing program 4: r0 = socket$nl_sock_diag(0x10, 0x3, 0x4) sendmsg$TCPDIAG_GETSOCK(r0, &(0x7f0000000240)={&(0x7f0000000000), 0xc, &(0x7f0000000200)={&(0x7f0000000280)={0x54, 0x12, 0x1, 0x0, 0x0, {}, [@INET_DIAG_REQ_BYTECODE={0x4}, @INET_DIAG_REQ_BYTECODE={0x4}]}, 0x54}}, 0x0) [ 1399.995423][ T34] audit: type=1326 audit(1625038086.471:52): auid=4294967295 uid=0 gid=0 ses=4294967295 subj==unconfined pid=3498 comm="syz-executor.5" exe="/root/syz-executor.5" sig=31 arch=40000003 syscall=403 compat=1 ip=0xf7fb6549 code=0x0 07:28:06 executing program 1: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$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, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xa6000000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:28:06 executing program 5: r0 = openat$ttyS3(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000140)=0x4) 07:28:06 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xa}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:28:06 executing program 3: r0 = socket$nl_generic(0x10, 0x3, 0x10) sendto$unix(r0, 0x0, 0x0, 0x0, &(0x7f00000005c0)=@abs, 0x6e) [ 1400.444330][ T3526] batman_adv: Cannot find parent device [ 1400.459760][ T3526] batman_adv: batadv0: Adding interface: ip6gretap778 [ 1400.467533][ T3526] batman_adv: batadv0: The MTU of interface ip6gretap778 is too small (1434) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1400.497602][ T3526] batman_adv: batadv0: Not using interface ip6gretap778 (retrying later): interface not active [ 1400.650466][ T3533] batman_adv: Cannot find parent device 07:28:07 executing program 4: mlock(&(0x7f0000ffe000/0x2000)=nil, 0x2000) madvise(&(0x7f0000ffe000/0x2000)=nil, 0x2000, 0x0) [ 1400.695113][ T3532] batman_adv: Cannot find parent device 07:28:07 executing program 5: r0 = socket$nl_sock_diag(0x10, 0x3, 0x4) ioctl$sock_ipv4_tunnel_SIOCADDTUNNEL(r0, 0x4020940d, &(0x7f0000000b80)={'tunl0\x00', 0x0}) 07:28:07 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xb}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:28:07 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000180)={'batadv0\x00', 0x0}) r2 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x8848}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x48}}, 0x0) 07:28:07 executing program 3: msgctl$MSG_STAT(0x0, 0xe, 0x0) 07:28:07 executing program 1: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$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, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xb1a2fce7}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:28:07 executing program 4: r0 = msgget$private(0x0, 0x0) msgsnd(0x0, &(0x7f00000001c0)=ANY=[], 0x9b, 0x0) msgctl$MSG_STAT(r0, 0xb, &(0x7f00000001c0)=""/151) [ 1401.541988][ T3552] batman_adv: Cannot find parent device [ 1401.654363][ T3558] batman_adv: Cannot find parent device [ 1401.668748][ T3558] batman_adv: batadv0: Adding interface: ip6gretap779 [ 1401.676143][ T3558] batman_adv: batadv0: The MTU of interface ip6gretap779 is too small (1434) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 07:28:08 executing program 5: r0 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$NFT_BATCH(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000240)={{0x14}, [@NFT_MSG_NEWTABLE={0x14, 0x0, 0xa, 0x401}], {0x14}}, 0x3c}}, 0x0) [ 1401.704247][ T3558] batman_adv: batadv0: Not using interface ip6gretap779 (retrying later): interface not active [ 1401.756573][ T3561] batman_adv: Cannot find parent device 07:28:08 executing program 3: clone3(&(0x7f0000000480)={0x300, 0x0, 0x0, 0x0, {}, 0x0, 0x0, 0x0, 0x0}, 0x58) 07:28:08 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xc}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:28:08 executing program 4: syz_mount_image$tmpfs(&(0x7f0000000080), &(0x7f00000000c0)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000580)={[{@mpol={'mpol', 0x3d, {'default', '=relative', @val={0x3a, [0x35]}}}}]}) 07:28:08 executing program 5: r0 = openat$ttyS3(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, 0x0) 07:28:08 executing program 1: r0 = socket$nl_route(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$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xc0020000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:28:08 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000180)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x8c02}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x48}}, 0x0) 07:28:09 executing program 3: r0 = socket$inet_tcp(0x2, 0x1, 0x0) setsockopt$inet_tcp_buf(r0, 0x6, 0x6, &(0x7f0000000000)="06000000", 0x4) [ 1402.640861][ T3578] batman_adv: Cannot find parent device [ 1402.694748][ T3584] tmpfs: Bad value for 'mpol' [ 1402.708418][ T3584] tmpfs: Bad value for 'mpol' 07:28:09 executing program 4: munmap(&(0x7f0000ffc000/0x4000)=nil, 0x4000) pkey_mprotect(&(0x7f0000ff9000/0x4000)=nil, 0x4000, 0x0, 0xffffffffffffffff) [ 1403.167888][ T3592] batman_adv: Cannot find parent device 07:28:09 executing program 5: io_uring_setup(0x3bc, &(0x7f0000000000)={0x0, 0x0, 0x2, 0x0, 0xfffffffc}) [ 1403.261048][ T3591] batman_adv: Cannot find parent device [ 1403.275039][ T3591] batman_adv: batadv0: Adding interface: ip6gretap780 [ 1403.282108][ T3591] batman_adv: batadv0: The MTU of interface ip6gretap780 is too small (1434) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 07:28:09 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xd}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) [ 1403.313827][ T3591] batman_adv: batadv0: Not using interface ip6gretap780 (retrying later): interface not active 07:28:09 executing program 3: prctl$PR_SET_MM(0x23, 0x0, &(0x7f0000ffb000/0x2000)=nil) madvise(&(0x7f0000ffc000/0x1000)=nil, 0x1000, 0xd) 07:28:10 executing program 1: r0 = socket$nl_route(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$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xc3ffffff}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) [ 1403.712465][ T3605] batman_adv: Cannot find parent device 07:28:10 executing program 4: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$devlink(&(0x7f0000000040), 0xffffffffffffffff) sendmsg$DEVLINK_CMD_TRAP_POLICER_GET(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x38, r1, 0x1, 0x0, 0x0, {}, [{@pci={{0x8}, {0x11}}, {0x8}}]}, 0x38}}, 0x0) 07:28:10 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000180)={'batadv0\x00', 0x0}) r2 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0xaa03}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x48}}, 0x0) 07:28:10 executing program 3: prctl$PR_SET_MM_MAP_SIZE(0x24, 0xf, 0x0) 07:28:10 executing program 5: syz_mount_image$tmpfs(&(0x7f0000000240), &(0x7f0000000440)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000740)={[{@mpol={'mpol', 0x3d, {'interleave', '=static', @void}}}, {@size={'size', 0x3d, [0x25, 0x0]}}]}) 07:28:10 executing program 2: r0 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xe}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) [ 1404.133922][ T3620] batman_adv: Cannot find parent device 07:28:10 executing program 1: r0 = socket$nl_route(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$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xe0ffffff}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) [ 1404.573452][ T3632] batman_adv: Cannot find parent device [ 1404.644292][ T3633] batman_adv: Cannot find parent device 07:28:11 executing program 4: r0 = socket(0x2, 0x3, 0x9) setsockopt$inet_tcp_TCP_ULP(0xffffffffffffffff, 0x6, 0x1f, &(0x7f0000000100), 0x4) ioctl$sock_inet_tcp_SIOCINQ(r0, 0x541b, &(0x7f0000000000)) 07:28:11 executing program 5: prctl$PR_SET_MM_MAP_SIZE(0x21, 0xf, 0x0) 07:28:11 executing program 3: r0 = socket$nl_sock_diag(0x10, 0x3, 0x4) ioctl$sock_ipv4_tunnel_SIOCADDTUNNEL(r0, 0x8911, &(0x7f0000000b80)={'tunl0\x00', 0x0}) 07:28:11 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000180)={'batadv0\x00', 0x0}) r2 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0xd109}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x48}}, 0x0) 07:28:11 executing program 2: r0 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xf}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) [ 1405.039411][ T3644] batman_adv: Cannot find parent device 07:28:11 executing program 4: r0 = socket$inet_tcp(0x2, 0x1, 0x0) setsockopt$inet_tcp_buf(r0, 0x6, 0x13, &(0x7f0000000000)="8ed68e5f", 0x4) 07:28:11 executing program 3: io_uring_setup(0x0, &(0x7f0000000000)) mlock2(&(0x7f0000ff3000/0x2000)=nil, 0x2000, 0x0) mlock2(&(0x7f0000ff4000/0x2000)=nil, 0x2000, 0x0) [ 1405.565106][ T3656] batman_adv: Cannot find parent device [ 1405.581766][ T3656] batman_adv: batadv0: Adding interface: ip6gretap782 07:28:12 executing program 5: r0 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$NFT_BATCH(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000240)={{0x14}, [@NFT_MSG_DELFLOWTABLE={0x2b0, 0x18, 0xa, 0x0, 0x0, 0x0, {}, [@NFTA_FLOWTABLE_FLAGS={0x8}, @NFTA_FLOWTABLE_FLAGS={0x8}, @NFTA_FLOWTABLE_TABLE={0x9, 0x1, 'syz1\x00'}, @NFTA_FLOWTABLE_TABLE={0x9, 0x1, 'syz1\x00'}, @NFTA_FLOWTABLE_TABLE={0x9, 0x1, 'syz1\x00'}, @NFTA_FLOWTABLE_FLAGS={0x8}, @NFTA_FLOWTABLE_NAME={0x9, 0x2, 'syz2\x00'}, @NFTA_FLOWTABLE_HOOK={0x248, 0x3, 0x0, 0x1, [@NFTA_FLOWTABLE_HOOK_DEVS={0xcc, 0x3, 0x0, 0x1, [{0x14, 0x1, 'veth1\x00'}, {0x14, 0x1, 'veth0_to_bond\x00'}, {0x14, 0x1, 'virt_wifi0\x00'}, {0x14, 0x1, 'wg0\x00'}, {0x14, 0x1, 'ip6gretap0\x00'}, {0x14, 0x1, 'veth0_macvtap\x00'}, {0x14, 0x1, 'gretap0\x00'}, {0x14, 0x1, 'veth0_to_hsr\x00'}, {0x14, 0x1, 'team_slave_0\x00'}, {0x14, 0x1, 'netpci0\x00'}]}, @NFTA_FLOWTABLE_HOOK_NUM={0x8}, @NFTA_FLOWTABLE_HOOK_NUM={0x8}, @NFTA_FLOWTABLE_HOOK_DEVS={0x2c, 0x3, 0x0, 0x1, [{0x14, 0x1, 'veth1_vlan\x00'}, {0x14, 0x1, 'vlan0\x00'}]}, @NFTA_FLOWTABLE_HOOK_NUM={0x8}, @NFTA_FLOWTABLE_HOOK_DEVS={0xb8, 0x3, 0x0, 0x1, [{0x14, 0x1, 'ip_vti0\x00'}, {0x14, 0x1, 'ip6gre0\x00'}, {0x14, 0x1, 'geneve1\x00'}, {0x14, 0x1, 'veth0_to_bond\x00'}, {0x14, 0x1, 'macvtap0\x00'}, {0x14, 0x1, 'macvlan1\x00'}, {0x14, 0x1, 'vlan0\x00'}, {0x14, 0x1, 'batadv_slave_1\x00'}, {0x14, 0x1, 'veth0_macvtap\x00'}]}, @NFTA_FLOWTABLE_HOOK_DEVS={0x7c, 0x3, 0x0, 0x1, [{0x14, 0x1, 'dummy0\x00'}, {0x14, 0x1, 'wg1\x00'}, {0x14, 0x1, 'ip6gre0\x00'}, {0x14, 0x1, 'netdevsim0\x00'}, {0x14, 0x1, 'vlan0\x00'}, {0x14, 0x1, 'bond_slave_1\x00'}]}]}, @NFTA_FLOWTABLE_TABLE={0x9, 0x1, 'syz0\x00'}]}, @NFT_MSG_NEWRULE={0xbec, 0x6, 0xa, 0x0, 0x0, 0x0, {}, [@NFTA_RULE_EXPRESSIONS={0xbd8, 0x4, 0x0, 0x1, [{0xcc, 0x1, 0x0, 0x1, [@numgen={{0xb}, @val={0x44, 0x2, 0x0, 0x1, [@NFTA_NG_TYPE={0x8}, @NFTA_NG_OFFSET={0x8}, @NFTA_NG_TYPE={0x8}, @NFTA_NG_TYPE={0x8}, @NFTA_NG_MODULUS={0x8}, @NFTA_NG_OFFSET={0x8}, @NFTA_NG_DREG={0x8}, @NFTA_NG_DREG={0x8}]}}, @rt={{0x7}, @void}, @tunnel={{0xb}, @void}, @immediate={{0xe}, @val={0xc, 0x2, 0x0, 0x1, [@NFTA_IMMEDIATE_DREG={0x8}]}}, @socket={{0xb}, @void}, @socket={{0xb}, @void}, @fib={{0x8}, @void}, @exthdr={{0xb}, @val={0x1c, 0x2, 0x0, 0x1, [@NFTA_EXTHDR_SREG={0x8}, @NFTA_EXTHDR_OP={0x8}, @NFTA_EXTHDR_DREG={0x8}]}}]}, {0x50, 0x1, 0x0, 0x1, [@dynset={{0xb}, @val={0x34, 0x2, 0x0, 0x1, [@NFTA_DYNSET_SET_NAME={0x9, 0x1, 'syz1\x00'}, @NFTA_DYNSET_SREG_KEY={0x8}, @NFTA_DYNSET_TIMEOUT={0xc}, @NFTA_DYNSET_FLAGS={0x8}, @NFTA_DYNSET_SREG_KEY={0x8}]}}, @exthdr={{0xb}, @void}]}, {0x10, 0x1, 0x0, 0x1, [@meta={{0x9}, @void}]}, {0x4d0, 0x1, 0x0, 0x1, [@cmp={{0x8}, @val={0x4c4, 0x2, 0x0, 0x1, [@NFTA_CMP_DATA={0x348, 0x3, 0x0, 0x1, [@NFTA_DATA_VERDICT={0x14, 0x2, 0x0, 0x1, [@NFTA_VERDICT_CODE={0x8}, @NFTA_VERDICT_CODE={0x8}]}, @NFTA_DATA_VALUE={0x19, 0x1, "a16b22da4a484678c057dde3af2c1b7f23b7f0876f"}, @NFTA_DATA_VALUE={0x91, 0x1, "b5bb7723e2005ce1853623268c3decd48eca6b48f8e707f1b2e47117afd753f92b39576c93dee36c4b74eae146ebd097e90ffd03af87828c88a8cae2ad20dac1639e3104305526684e8abda1e0fd46b84e5159f96f178396abc6a7b6ad7917db9c6c5aff2a5874e91acdf88ae1a3bc3f6f616044698d449208f9ecfc8fb2b46c5c6f06091f97704856d75bbb48"}, @NFTA_DATA_VALUE={0xf5, 0x1, "ba03ace5ab35ab40bdec00892bf9acdcaab1b6782a1d499be201056141e272767c9bcff77f11af0e681401e42e5d1120cc134afff8e4bf270833410f74d14f9932edc215faa8865ffc98f1b916cfde3a34fbd7b4c0a61ae04f1d6878ceaa6f0029da9feb0e359aa8630abb952b2896d29101e2bc36bd87408b72f395cd082688e0d6b379f43f8d193e203ed800b2155e230a04404b74d66754592421837cdf90a1b79ae6f103c53949b9ba3f5139ee72ff5cb758da7d0696e46b73ec91b991d22d1821b624845bd81717dd6b271d0318189eada252fd9f559c93e2448da4e2195cf607dcb9ab6e2c2ab9d318d73a02cbf6"}, @NFTA_DATA_VERDICT={0x40, 0x2, 0x0, 0x1, [@NFTA_VERDICT_CODE={0x8}, @NFTA_VERDICT_CHAIN={0x9, 0x2, 'syz0\x00'}, @NFTA_VERDICT_CODE={0x8}, @NFTA_VERDICT_CHAIN={0x9, 0x2, 'syz2\x00'}, @NFTA_VERDICT_CODE={0x8}, @NFTA_VERDICT_CHAIN={0x9, 0x2, 'syz2\x00'}]}, @NFTA_DATA_VERDICT={0x44, 0x2, 0x0, 0x1, [@NFTA_VERDICT_CHAIN={0x9, 0x2, 'syz2\x00'}, @NFTA_VERDICT_CODE={0x8}, @NFTA_VERDICT_CHAIN={0x9, 0x2, 'syz1\x00'}, @NFTA_VERDICT_CHAIN={0x9, 0x2, 'syz1\x00'}, @NFTA_VERDICT_CODE={0x8}, @NFTA_VERDICT_CHAIN={0x9, 0x2, 'syz2\x00'}]}, @NFTA_DATA_VALUE={0x29, 0x1, "7017618829bb1faa2d281bcde41a362cf5d313235fa85f0cdcf63f97a4e04032dd2d22cb82"}, @NFTA_DATA_VALUE={0xbd, 0x1, "1386e654b1bc0e77bd5f85e41a656b9d41b1a32e63950ac7d3216a0725d8e5781413c83f0d059df8d618d8991d4ab27c01e22c6ac31c162c69e75ad15ca66287cc5e9229365c279a26eb0f73b9eeb4b34f44ddb1c248aca6e148b31f040a09ca831fb902d4f24ec7cc3ab02182c685a86bf2beff963ec414c8d01c87c284587ed028df5e30d7c5972aaeff3e61e73b137ec97dfd5b6b4f98590cbe929c8c3f17b5d56c2f4c1b7e385b09360cbcd739ccde52528cbd6fcc4e93"}, @NFTA_DATA_VERDICT={0x18, 0x2, 0x0, 0x1, [@NFTA_VERDICT_CHAIN={0x9, 0x2, 'syz1\x00'}, @NFTA_VERDICT_CODE={0x8}]}]}, @NFTA_CMP_SREG={0x8}, @NFTA_CMP_DATA={0x9c, 0x3, 0x0, 0x1, [@NFTA_DATA_VERDICT={0xc, 0x2, 0x0, 0x1, [@NFTA_VERDICT_CODE={0x8}]}, @NFTA_DATA_VERDICT={0x20, 0x2, 0x0, 0x1, [@NFTA_VERDICT_CODE={0x8}, @NFTA_VERDICT_CHAIN={0x9, 0x2, 'syz0\x00'}, @NFTA_VERDICT_CODE={0x8}]}, @NFTA_DATA_VERDICT={0x14, 0x2, 0x0, 0x1, [@NFTA_VERDICT_CODE={0x8}, @NFTA_VERDICT_CODE={0x8}]}, @NFTA_DATA_VALUE={0x55, 0x1, "2db33b59298d5f2dfb80e9f048415ad3bc2dd4bae21f5d230571a5c34799472552681018c6132727d1c2940ff0a3eda74543031b196ac1cf1b30f4f335fb9ac4672c43846aca0069eb7ee1fbc97e27150e"}]}, @NFTA_CMP_DATA={0xd4, 0x3, 0x0, 0x1, [@NFTA_DATA_VALUE={0x91, 0x1, "b2247d208e5df58338dff87f531a090bf9c1e10fd7aaa5e6f515423983bb6790118f005dc9a34ed9d673822c03812ac1aab42bedba07d30c85e9ae617ce9ad192519ce40a998fec1b9e8289f676a4d66321ecde2b28a450ec6fbfb7f24a4b4f9a341f4a74c6770f2f4897979e0467ea6151a1bda06b606b0754dc4fcc0944b7ca7bce4264c085e060170e7c648"}, @NFTA_DATA_VERDICT={0x3c, 0x2, 0x0, 0x1, [@NFTA_VERDICT_CODE={0x8}, @NFTA_VERDICT_CODE={0x8}, @NFTA_VERDICT_CODE={0x8}, @NFTA_VERDICT_CHAIN={0x9, 0x2, 'syz0\x00'}, @NFTA_VERDICT_CODE={0x8}, @NFTA_VERDICT_CHAIN={0x9, 0x2, 'syz1\x00'}]}]}]}}]}, {0x2d4, 0x1, 0x0, 0x1, [@xfrm={{0x9}, @val={0xc, 0x2, 0x0, 0x1, [@NFTA_XFRM_DIR={0x5}]}}, @byteorder={{0xe}, @void}, @bitwise={{0xc}, @val={0x194, 0x2, 0x0, 0x1, [@NFTA_BITWISE_MASK={0x190, 0x4, 0x0, 0x1, [@NFTA_DATA_VERDICT={0x4c, 0x2, 0x0, 0x1, [@NFTA_VERDICT_CODE={0x8}, @NFTA_VERDICT_CHAIN={0x9, 0x2, 'syz1\x00'}, @NFTA_VERDICT_CODE={0x8}, @NFTA_VERDICT_CHAIN={0x9, 0x2, 'syz0\x00'}, @NFTA_VERDICT_CHAIN={0x9, 0x2, 'syz2\x00'}, @NFTA_VERDICT_CODE={0x8}, @NFTA_VERDICT_CHAIN={0x9, 0x2, 'syz0\x00'}]}, @NFTA_DATA_VALUE={0xb1, 0x1, "6924922e217fc5424fa1a754102182196375b7a12eccb47eae0c7309a8ffd4b07b9b2d0a30e0abc13a32679794ff7dfcf16f83f10feb8b9d9d0b92e876e58c92252d24e215e0df557271ca65cb5e4321d3869fd81b325532d0b072e553cbf4851f05f6a10754e089c3799e941b75cdbe7ad9ac25ac49f7b42b588e8f3c7b7ae3538132e965d8bfc209cdf82e2bd1d064270fd9829ece2872d10e50ad5e45d89f3ccf358220ed31949c3247ce5b"}, @NFTA_DATA_VERDICT={0x38, 0x2, 0x0, 0x1, [@NFTA_VERDICT_CODE={0x8}, @NFTA_VERDICT_CHAIN={0x9, 0x2, 'syz0\x00'}, @NFTA_VERDICT_CHAIN={0x9, 0x2, 'syz0\x00'}, @NFTA_VERDICT_CODE={0x8}, @NFTA_VERDICT_CHAIN={0x9, 0x2, 'syz2\x00'}]}, @NFTA_DATA_VERDICT={0x10, 0x2, 0x0, 0x1, [@NFTA_VERDICT_CHAIN={0x9, 0x2, 'syz1\x00'}]}, @NFTA_DATA_VERDICT={0x44, 0x2, 0x0, 0x1, [@NFTA_VERDICT_CODE={0x8}, @NFTA_VERDICT_CODE={0x8}, @NFTA_VERDICT_CODE={0x8}, @NFTA_VERDICT_CODE={0x8}, @NFTA_VERDICT_CHAIN={0x9, 0x2, 'syz1\x00'}, @NFTA_VERDICT_CODE={0x8}, @NFTA_VERDICT_CHAIN={0x9, 0x2, 'syz0\x00'}]}]}]}}, @osf={{0x8}, @val={0x54, 0x2, 0x0, 0x1, [@NFTA_OSF_TTL={0x5}, @NFTA_OSF_FLAGS={0x8}, @NFTA_OSF_TTL={0x5}, @NFTA_OSF_TTL={0x5}, @NFTA_OSF_DREG={0x8}, @NFTA_OSF_TTL={0x5}, @NFTA_OSF_FLAGS={0x8}, @NFTA_OSF_TTL={0x5}, @NFTA_OSF_TTL={0x5}, @NFTA_OSF_DREG={0x8}]}}, @nat={{0x8}, @val={0x14, 0x2, 0x0, 0x1, [@NFTA_NAT_TYPE={0x8}, @NFTA_NAT_REG_ADDR_MAX={0x8}]}}, @lookup={{0xb}, @void}, @match={{0xa}, @void}, @exthdr={{0xb}, @val={0x3c, 0x2, 0x0, 0x1, [@NFTA_EXTHDR_TYPE={0x5}, @NFTA_EXTHDR_OP={0x8}, @NFTA_EXTHDR_DREG={0x8}, @NFTA_EXTHDR_TYPE={0x5}, @NFTA_EXTHDR_OP={0x8}, @NFTA_EXTHDR_SREG={0x8}, @NFTA_EXTHDR_LEN={0x8}]}}, @dup={{0x8}, @val={0xc, 0x2, 0x0, 0x1, [@NFTA_DUP_SREG_DEV={0x8}]}}, @rt={{0x7}, @val={0x14, 0x2, 0x0, 0x1, [@NFTA_RT_DREG={0x8}, @NFTA_RT_DREG={0x8}]}}]}, {0x304, 0x1, 0x0, 0x1, [@log={{0x8}, @void}, @dup={{0x8}, @void}, @meta={{0x9}, @val={0x34, 0x2, 0x0, 0x1, [@NFTA_META_SREG={0x8}, @NFTA_META_KEY={0x8}, @NFTA_META_SREG={0x8}, @NFTA_META_DREG={0x8}, @NFTA_META_KEY={0x8}, @NFTA_META_DREG={0x8}]}}, @fwd={{0x8}, @val={0x24, 0x2, 0x0, 0x1, [@NFTA_FWD_NFPROTO={0x8}, @NFTA_FWD_SREG_DEV={0x8}, @NFTA_FWD_SREG_ADDR={0x8}, @NFTA_FWD_SREG_ADDR={0x8}]}}, @bitwise={{0xc}, @val={0x278, 0x2, 0x0, 0x1, [@NFTA_BITWISE_XOR={0x274, 0x5, 0x0, 0x1, [@NFTA_DATA_VERDICT={0x58, 0x2, 0x0, 0x1, [@NFTA_VERDICT_CODE={0x8}, @NFTA_VERDICT_CODE={0x8}, @NFTA_VERDICT_CHAIN={0x9, 0x2, 'syz2\x00'}, @NFTA_VERDICT_CHAIN={0x9, 0x2, 'syz1\x00'}, @NFTA_VERDICT_CHAIN={0x9, 0x2, 'syz1\x00'}, @NFTA_VERDICT_CHAIN={0x9, 0x2, 'syz1\x00'}, @NFTA_VERDICT_CHAIN={0x9, 0x2, 'syz0\x00'}, @NFTA_VERDICT_CODE={0x8}]}, @NFTA_DATA_VERDICT={0x54, 0x2, 0x0, 0x1, [@NFTA_VERDICT_CHAIN={0x9, 0x2, 'syz0\x00'}, @NFTA_VERDICT_CHAIN={0x9, 0x2, 'syz1\x00'}, @NFTA_VERDICT_CHAIN={0x9, 0x2, 'syz1\x00'}, @NFTA_VERDICT_CHAIN={0x9, 0x2, 'syz0\x00'}, @NFTA_VERDICT_CHAIN={0x9, 0x2, 'syz0\x00'}, @NFTA_VERDICT_CODE={0x8}, @NFTA_VERDICT_CHAIN={0x9, 0x2, 'syz1\x00'}]}, @NFTA_DATA_VERDICT={0x74, 0x2, 0x0, 0x1, [@NFTA_VERDICT_CHAIN={0x9, 0x2, 'syz1\x00'}, @NFTA_VERDICT_CODE={0x8}, @NFTA_VERDICT_CODE={0x8}, @NFTA_VERDICT_CHAIN={0x9, 0x2, 'syz0\x00'}, @NFTA_VERDICT_CHAIN={0x9, 0x2, 'syz0\x00'}, @NFTA_VERDICT_CHAIN={0x9, 0x2, 'syz0\x00'}, @NFTA_VERDICT_CHAIN={0x9, 0x2, 'syz0\x00'}, @NFTA_VERDICT_CHAIN={0x9, 0x2, 'syz1\x00'}, @NFTA_VERDICT_CHAIN={0x9, 0x2, 'syz0\x00'}, @NFTA_VERDICT_CHAIN={0x9, 0x2, 'syz1\x00'}]}, @NFTA_DATA_VERDICT={0x18, 0x2, 0x0, 0x1, [@NFTA_VERDICT_CHAIN={0x9, 0x2, 'syz2\x00'}, @NFTA_VERDICT_CODE={0x8}]}, @NFTA_DATA_VERDICT={0x6c, 0x2, 0x0, 0x1, [@NFTA_VERDICT_CHAIN={0x9, 0x2, 'syz2\x00'}, @NFTA_VERDICT_CODE={0x8}, @NFTA_VERDICT_CHAIN={0x9, 0x2, 'syz1\x00'}, @NFTA_VERDICT_CHAIN={0x9, 0x2, 'syz0\x00'}, @NFTA_VERDICT_CHAIN={0x9, 0x2, 'syz0\x00'}, @NFTA_VERDICT_CODE={0x8}, @NFTA_VERDICT_CODE={0x8}, @NFTA_VERDICT_CHAIN={0x9, 0x2, 'syz2\x00'}, @NFTA_VERDICT_CHAIN={0x9, 0x2, 'syz2\x00'}, @NFTA_VERDICT_CODE={0x8}]}, @NFTA_DATA_VALUE={0xc9, 0x1, "cdf1eda91b55977c124729d6fc748245c9780f2fd990366ad8a6466c34318c673943292c98f149df88b0610ab18cd174b8b0ac42ee617c403c4ce4697de3b1069ef885990b15af978693b4f6c51e7a5df20805326351ec8995f9333115deffd3223bd81faefd25aac5f0dc89937274667df2b47660e7422217ead4850ec4b2c711c3790f3d968f3b63f666fd846f11ad28077b1a5da5799cbd1b2655b2982a914793c9fab8ead12cc02af9d6f9948029f3ed499e23a5ec49f6f64d191f9ef2de1e882eae57"}]}]}}]}]}]}], {0x14}}, 0xec4}}, 0x0) 07:28:12 executing program 1: r0 = socket$nl_route(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$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xe7fca2b1}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) [ 1405.589198][ T3656] batman_adv: batadv0: The MTU of interface ip6gretap782 is too small (1434) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1405.616587][ T3656] batman_adv: batadv0: Not using interface ip6gretap782 (retrying later): interface not active 07:28:12 executing program 2: r0 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x10}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) [ 1406.068680][ T3667] batman_adv: Cannot find parent device 07:28:12 executing program 5: fanotify_mark(0xffffffffffffffff, 0x0, 0x0, 0xffffffffffffff9c, 0x0) 07:28:12 executing program 4: get_mempolicy(0x0, 0x0, 0x0, &(0x7f0000ffe000/0x2000)=nil, 0xa) 07:28:12 executing program 3: r0 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$NFT_MSG_GETTABLE(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000300)={0x14, 0x1, 0xa, 0x201}, 0x14}}, 0x0) [ 1406.450223][ T3678] batman_adv: Cannot find parent device 07:28:13 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000180)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0xd209}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x48}}, 0x0) 07:28:13 executing program 1: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$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, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xf0ffffff}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:28:13 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x11}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:28:13 executing program 5: r0 = socket$inet_tcp(0x2, 0x1, 0x0) setsockopt$inet_tcp_buf(r0, 0x6, 0x8, &(0x7f0000000000)="02008389", 0x4) [ 1407.064372][ T3691] batman_adv: Cannot find parent device [ 1407.080504][ T3691] batman_adv: batadv0: Adding interface: ip6gretap783 [ 1407.088130][ T3691] batman_adv: batadv0: The MTU of interface ip6gretap783 is too small (1434) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1407.115365][ T3691] batman_adv: batadv0: Not using interface ip6gretap783 (retrying later): interface not active 07:28:13 executing program 3: syz_io_uring_setup(0x6415, &(0x7f00000002c0)={0x0, 0x569c}, &(0x7f0000ff9000/0x1000)=nil, &(0x7f0000ff8000/0x1000)=nil, 0x0, 0x0) mincore(&(0x7f0000ffc000/0x2000)=nil, 0x2000, &(0x7f0000000000)=""/35) 07:28:13 executing program 4: mount$9p_fd(0x0, 0x0, 0x0, 0x0, &(0x7f0000000100)=ANY=[]) clone3(&(0x7f0000000240)={0x28000000, 0x0, 0x0, 0x0, {}, 0x0, 0x0, 0x0, 0x0}, 0x58) [ 1407.262581][ T3692] batman_adv: Cannot find parent device 07:28:14 executing program 1: r0 = socket$nl_route(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$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xf4917896}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) [ 1407.623545][ T3705] batman_adv: Cannot find parent device 07:28:14 executing program 5: clone(0xa022d00, 0x0, 0x0, 0x0, 0x0) clone(0x0, &(0x7f0000000000)="a7", &(0x7f0000000080), &(0x7f00000000c0), 0x0) syz_io_uring_setup(0x3511, &(0x7f00000007c0)={0x0, 0x0, 0x10}, &(0x7f0000ffe000/0x2000)=nil, &(0x7f0000ffd000/0x3000)=nil, 0x0, &(0x7f0000000480)) ioctl$BTRFS_IOC_SET_RECEIVED_SUBVOL(0xffffffffffffffff, 0xc0c89425, &(0x7f00000004c0)={"dedc61b2d5993cd3b772674c7a034038", 0x0, 0x0, {}, {0x0, 0x6}, 0x9, [0x0, 0x0, 0x7e, 0x0, 0x1, 0x20, 0x0, 0x0, 0x20, 0x401, 0x7, 0x0, 0x800, 0xffff, 0x4]}) perf_event_open(0x0, 0x0, 0xd, 0xffffffffffffffff, 0x4) ioctl$ifreq_SIOCGIFINDEX_team(0xffffffffffffffff, 0x8933, 0x0) 07:28:14 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000180)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0xd309}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x48}}, 0x0) 07:28:14 executing program 3: seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x0, &(0x7f0000000040)={0x2, &(0x7f0000000000)=[{0x45, 0x0, 0x6}, {}]}) 07:28:14 executing program 2: r0 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x12}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:28:14 executing program 4: r0 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$NFT_BATCH(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f00000004c0)={{0x14}, [@NFT_MSG_DELCHAIN={0x20, 0x5, 0xa, 0x801, 0x0, 0x0, {}, [@NFTA_CHAIN_TABLE={0x9, 0x1, 'syz1\x00'}]}], {0x14}}, 0x48}}, 0x0) [ 1408.139577][ T3715] batman_adv: Cannot find parent device [ 1408.373259][ T3725] batman_adv: Cannot find parent device [ 1408.387644][ T3725] batman_adv: batadv0: Adding interface: ip6gretap784 [ 1408.394861][ T3725] batman_adv: batadv0: The MTU of interface ip6gretap784 is too small (1434) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1408.422747][ T3725] batman_adv: batadv0: Not using interface ip6gretap784 (retrying later): interface not active 07:28:15 executing program 5: r0 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$IPCTNL_MSG_EXP_NEW(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000080)={&(0x7f00000000c0)=ANY=[@ANYBLOB="2800000000020108000000000000000000000180070002"], 0x28}}, 0x0) [ 1408.611689][ T3733] batman_adv: Cannot find parent device 07:28:15 executing program 1: r0 = socket$nl_route(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$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xf6030000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:28:15 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000180)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0xd409}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x48}}, 0x0) 07:28:15 executing program 3: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x801) 07:28:15 executing program 4: r0 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$NFT_BATCH(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000040)={{0x14}, [@NFT_MSG_DELSET={0x20, 0xb, 0xa, 0x0, 0x0, 0x0, {}, [@NFTA_SET_TABLE={0x9, 0x1, 'syz0\x00'}]}, @NFT_MSG_NEWCHAIN={0x14}, @NFT_MSG_DELTABLE={0x70}], {0x14}}, 0x70}}, 0x0) 07:28:15 executing program 2: r0 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x25}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:28:15 executing program 5: mbind(&(0x7f0000ffb000/0x2000)=nil, 0x2000, 0x0, 0x0, 0x0, 0x8) [ 1409.356012][ T3747] batman_adv: Cannot find parent device [ 1409.510905][ T3752] batman_adv: Cannot find parent device [ 1409.525293][ T3752] batman_adv: batadv0: Adding interface: ip6gretap785 [ 1409.532455][ T3752] batman_adv: batadv0: The MTU of interface ip6gretap785 is too small (1434) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1409.559495][ T3752] batman_adv: batadv0: Not using interface ip6gretap785 (retrying later): interface not active 07:28:16 executing program 3: r0 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$NFT_BATCH(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000040)={{0x28}, [@NFT_MSG_DELSET={0x20, 0xb, 0xa, 0x0, 0x0, 0x0, {}, [@NFTA_SET_TABLE={0x9, 0x1, 'syz0\x00'}]}, @NFT_MSG_NEWCHAIN={0x14}, @NFT_MSG_DELTABLE={0x14}], {0x14}}, 0x70}}, 0x0) [ 1409.738332][ T3758] batman_adv: Cannot find parent device 07:28:16 executing program 4: r0 = add_key$keyring(&(0x7f0000000240), &(0x7f0000000280)={'syz', 0x1}, 0x0, 0x0, 0xfffffffffffffffe) keyctl$KEYCTL_PKEY_QUERY(0x4, r0, 0x0, 0x0, 0x0) 07:28:16 executing program 1: r0 = socket$nl_route(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$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xfc000000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:28:16 executing program 5: syz_open_dev$usbmon(&(0x7f0000000000), 0x0, 0x6440) 07:28:16 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x2f}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) [ 1410.265262][ T3768] batman_adv: Cannot find parent device 07:28:16 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000180)={'batadv0\x00', 0x0}) r2 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0xd602}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x48}}, 0x0) [ 1410.321684][ T3772] netlink: 20 bytes leftover after parsing attributes in process `syz-executor.3'. 07:28:17 executing program 4: r0 = socket$inet_tcp(0x2, 0x1, 0x0) setsockopt$inet_tcp_buf(r0, 0x6, 0x7, &(0x7f0000000000)="8ed68e5f", 0x4) 07:28:17 executing program 3: openat$vcs(0xffffffffffffff9c, &(0x7f00000007c0), 0x3bf5086658f9a9b1, 0x0) 07:28:17 executing program 1: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$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, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xfcffffff}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) [ 1410.814562][ T34] audit: type=1800 audit(1625038097.291:53): pid=3778 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="syz-executor.5" name="usbmon0" dev="sda1" ino=14126 res=0 errno=0 [ 1410.893878][ T3779] batman_adv: Cannot find parent device [ 1410.978257][ T3782] batman_adv: Cannot find parent device [ 1410.994566][ T3782] batman_adv: batadv0: Adding interface: ip6gretap786 [ 1411.002080][ T3782] batman_adv: batadv0: The MTU of interface ip6gretap786 is too small (1434) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1411.029768][ T3782] batman_adv: batadv0: Not using interface ip6gretap786 (retrying later): interface not active 07:28:17 executing program 5: sendmsg$TIPC_CMD_GET_MEDIA_NAMES(0xffffffffffffffff, 0x0, 0xeb993f3fcd7ddcaf) 07:28:17 executing program 3: r0 = io_uring_setup(0x43b8, &(0x7f0000000000)) mmap$IORING_OFF_SQES(&(0x7f0000ffe000/0x2000)=nil, 0x2000, 0x2000004, 0x100010, r0, 0x10000000) 07:28:18 executing program 4: syz_mount_image$tmpfs(&(0x7f0000000100), &(0x7f0000000140)='./file0\x00', 0x0, 0xaaaaaaaaaaaab6e, &(0x7f0000000240)=[{&(0x7f0000000180)="abf16d2b64d2cf107df00c841d8f2071b4f148caef8bbe321be52abbb223f53597efdeb6aa732e740921fb801fc0c82403dad303b28c33ff922eb3eb10674c8ebd441a602117d811df6a67d9fe57c4dfc6c38f7e732edd42f0409451eef373c47a2477013db1a5acc14edb869ff070a3fc5c151f8cf5a45823ba3feadfc841d2d219fbe3b335926f5a810d407bd2b33666b8028336a489a61f8774633201772f940055ec61e0f5f9f0ab118ba4ebcb068ccdfed179", 0xb5, 0x2}], 0x4000020, &(0x7f00000004c0)={[{@size={'size', 0x3d, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0]}}, {@size={'size', 0x3d, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0]}}, {@huge_always}, {@mpol={'mpol', 0x3d, {'interleave', '', @val={0x3a, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0]}}}}], [{@defcontext={'defcontext', 0x3d, 'unconfined_u'}}]}) 07:28:18 executing program 2: r0 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x3a}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) [ 1411.650790][ T3792] batman_adv: Cannot find parent device 07:28:18 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000180)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0xee03}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x48}}, 0x0) 07:28:18 executing program 5: r0 = socket$key(0xf, 0x3, 0x2) sendmsg$key(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000000)=ANY=[@ANYBLOB="02"], 0x30}}, 0x0) [ 1412.109565][ T3804] batman_adv: Cannot find parent device 07:28:18 executing program 1: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$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, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xfd000000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:28:18 executing program 3: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000004440)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, 0x0) bind$unix(r0, &(0x7f0000000000)=@file={0x1, './file0\x00'}, 0x6e) sync_file_range(0xffffffffffffffff, 0xffffffff, 0x7, 0x1) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(0xffffffffffffffff, 0x8933, 0x0) [ 1412.580938][ T3812] batman_adv: Cannot find parent device [ 1412.596130][ T3812] batman_adv: batadv0: Adding interface: ip6gretap787 [ 1412.603985][ T3812] batman_adv: batadv0: The MTU of interface ip6gretap787 is too small (1434) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1412.631708][ T3812] batman_adv: batadv0: Not using interface ip6gretap787 (retrying later): interface not active 07:28:19 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x48}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:28:19 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x801) ioctl$BLKGETSIZE(r0, 0x1260, &(0x7f0000000040)) [ 1413.000282][ T3819] batman_adv: Cannot find parent device 07:28:19 executing program 3: syz_mount_image$tmpfs(&(0x7f00000005c0), &(0x7f0000000600)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000001b00)=ANY=[@ANYBLOB='huge=advise,nr_blocks=']) 07:28:19 executing program 4: request_key(&(0x7f0000000040)='logon\x00', &(0x7f0000000140)={'syz', 0x1}, &(0x7f0000000180)='\x00', 0x0) [ 1413.443277][ T3831] batman_adv: Cannot find parent device 07:28:20 executing program 1: r0 = socket$nl_route(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$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xfe80ffff}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:28:20 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000180)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0xfa03}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x48}}, 0x0) 07:28:20 executing program 5: prctl$PR_SET_MM_MAP_SIZE(0x27, 0xf, 0x0) 07:28:20 executing program 2: r0 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x4a}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:28:20 executing program 4: prctl$PR_SET_MM_MAP_SIZE(0x23, 0xf, &(0x7f0000000240)) [ 1414.134890][ T3841] tmpfs: Bad value for 'nr_blocks' [ 1414.159389][ T3841] tmpfs: Bad value for 'nr_blocks' [ 1414.251400][ T3845] batman_adv: Cannot find parent device 07:28:20 executing program 3: r0 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$NFT_MSG_GETOBJ_RESET(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000040)=ANY=[@ANYBLOB="34000000150a0101"], 0x34}}, 0x0) [ 1414.456376][ T3847] batman_adv: Cannot find parent device [ 1414.561648][ T3853] batman_adv: Cannot find parent device 07:28:21 executing program 5: syz_mount_image$tmpfs(&(0x7f0000008e40), &(0x7f0000008e80)='./file0\x00', 0x0, 0x0, 0x0, 0x1822, &(0x7f0000009400)) 07:28:21 executing program 2: r0 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x4c}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:28:21 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000180)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0xfc00}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x48}}, 0x0) 07:28:21 executing program 4: r0 = socket$nl_sock_diag(0x10, 0x3, 0x4) ioctl$sock_ipv4_tunnel_SIOCADDTUNNEL(r0, 0x541b, &(0x7f0000000b80)={'tunl0\x00', 0x0}) 07:28:21 executing program 1: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$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, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xfec0ffff}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) [ 1415.075943][ T3865] netlink: 32 bytes leftover after parsing attributes in process `syz-executor.3'. [ 1415.369811][ T3874] batman_adv: Cannot find parent device [ 1415.385740][ T3874] batman_adv: batadv0: Adding interface: ip6gretap789 07:28:21 executing program 3: r0 = socket$unix(0x1, 0x1, 0x0) bind$unix(r0, &(0x7f0000000140)=@abs={0x1}, 0x6e) [ 1415.393235][ T3874] batman_adv: batadv0: The MTU of interface ip6gretap789 is too small (1434) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1415.420943][ T3874] batman_adv: batadv0: Not using interface ip6gretap789 (retrying later): interface not active [ 1415.467581][ T3870] batman_adv: Cannot find parent device 07:28:22 executing program 5: syz_mount_image$tmpfs(&(0x7f0000000000), &(0x7f0000000040)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000004980)=ANY=[@ANYBLOB='uid=', @ANYRESHEX]) [ 1415.736004][ T3884] batman_adv: Cannot find parent device 07:28:22 executing program 4: r0 = socket$nl_sock_diag(0x10, 0x3, 0x4) sendmsg$SOCK_DESTROY(r0, &(0x7f0000000500)={0x0, 0x0, &(0x7f00000004c0)={&(0x7f0000000200)={0x48, 0x15, 0xdd294a83cc1be7a5, 0x0, 0x0, {0xa}, [@INET_DIAG_REQ_BYTECODE={0x31, 0x1, "fa4ff09d8ae92af8e7f0c2b74efabc25a0e1c168e47c20c1c1aceb2bee2778735085673e925143f7bf1716f94c"}]}, 0x48}}, 0x0) [ 1416.262859][ T3896] tmpfs: Bad value for 'uid' [ 1416.294734][ T3896] tmpfs: Bad value for 'uid' 07:28:22 executing program 1: r0 = socket$nl_route(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$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xfeff0000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:28:22 executing program 3: pselect6(0x40, &(0x7f00000001c0)={0x1}, 0x0, 0x0, &(0x7f0000000280)={0x77359400}, 0x0) 07:28:22 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000180)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0xfc03}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x48}}, 0x0) 07:28:23 executing program 5: syz_io_uring_setup(0x193a, &(0x7f0000000200)={0x0, 0x21be, 0x2f}, &(0x7f0000fff000/0x1000)=nil, &(0x7f0000ffd000/0x3000)=nil, &(0x7f0000000280), &(0x7f00000002c0)) 07:28:23 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x60}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) [ 1416.957747][ T3912] batman_adv: Cannot find parent device [ 1416.995194][ T3911] batman_adv: Cannot find parent device 07:28:23 executing program 4: r0 = socket$unix(0x1, 0x1, 0x0) sendmsg$unix(r0, &(0x7f0000001680)={0x0, 0x0, 0x0, 0x0, &(0x7f0000001640)=[@rights={{0x14, 0x1, 0x1, [0xffffffffffffffff]}}], 0x18}, 0x0) [ 1417.010351][ T3911] batman_adv: batadv0: Adding interface: ip6gretap790 [ 1417.017531][ T3911] batman_adv: batadv0: The MTU of interface ip6gretap790 is too small (1434) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1417.044064][ T3911] batman_adv: batadv0: Not using interface ip6gretap790 (retrying later): interface not active [ 1417.097498][ T3913] batman_adv: Cannot find parent device 07:28:23 executing program 3: syz_mount_image$tmpfs(0x0, &(0x7f0000000040)='./file0\x00', 0x200, 0x2, &(0x7f0000000200)=[{&(0x7f0000000080)=':l', 0x2, 0x7}, {&(0x7f0000000140)="8a", 0x1}], 0x0, 0x0) 07:28:23 executing program 5: r0 = timerfd_create(0x0, 0x0) timerfd_settime(r0, 0x1, &(0x7f0000000040)={{}, {0x77359400}}, &(0x7f0000000080)) 07:28:24 executing program 2: r0 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x68}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:28:24 executing program 1: r0 = socket$nl_route(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$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xfeffffff}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:28:24 executing program 4: msgrcv(0x0, 0x0, 0x1008, 0x9f3da5f1571beae5, 0x0) 07:28:24 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000180)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0xfe00}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x48}}, 0x0) 07:28:24 executing program 3: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000100), 0xffffffffffffffff) sendmsg$ETHTOOL_MSG_EEE_SET(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f00000017c0)=ANY=[@ANYBLOB="34050000", @ANYRES16=r1, @ANYBLOB="01002bbd7000fbdbdf251800000005000600010000002c000180140002006c6f00"/42], 0x534}}, 0x0) 07:28:24 executing program 5: mlock2(&(0x7f0000ffe000/0x2000)=nil, 0x2000, 0x0) mincore(&(0x7f0000fff000/0x1000)=nil, 0x1000, &(0x7f0000000000)=""/144) [ 1418.112451][ T3937] batman_adv: Cannot find parent device [ 1418.192172][ T3940] batman_adv: Cannot find parent device [ 1418.502474][ T3951] batman_adv: Cannot find parent device [ 1418.517850][ T3951] batman_adv: batadv0: Adding interface: ip6gretap791 [ 1418.526141][ T3951] batman_adv: batadv0: The MTU of interface ip6gretap791 is too small (1434) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1418.553378][ T3951] batman_adv: batadv0: Not using interface ip6gretap791 (retrying later): interface not active [ 1418.713480][ T3958] netlink: 20 bytes leftover after parsing attributes in process `syz-executor.3'. [ 1418.796224][ T3963] netlink: 20 bytes leftover after parsing attributes in process `syz-executor.3'. 07:28:25 executing program 2: r0 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x6a}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:28:25 executing program 1: r0 = socket$nl_route(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$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xff000000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:28:25 executing program 5: r0 = socket$inet_tcp(0x2, 0x1, 0x0) ioctl$sock_SIOCADDRT(r0, 0x890b, &(0x7f00000000c0)={0x0, @l2tp={0x2, 0x0, @dev}, @ipx={0x4, 0x0, 0x0, "5fc088d2c463"}, @rc, 0x3f}) 07:28:25 executing program 3: r0 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$NFT_BATCH(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000240)={{0x14}, [@NFT_MSG_NEWSETELEM={0x18, 0xc, 0xa, 0x301, 0x0, 0x0, {}, [@NFTA_SET_ELEM_LIST_ELEMENTS={0x4}]}, @NFT_MSG_NEWSETELEM={0x24, 0xc, 0xa, 0x3, 0x0, 0x0, {}, [@NFTA_SET_ELEM_LIST_TABLE={0x9, 0x1, 'syz1\x00'}, @NFTA_SET_ELEM_LIST_ELEMENTS={0x4}]}], {0x14}}, 0x64}}, 0x0) [ 1419.372081][ T3968] batman_adv: Cannot find parent device [ 1419.467475][ T3972] batman_adv: Cannot find parent device 07:28:26 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000180)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0xfeff}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x48}}, 0x0) 07:28:26 executing program 4: socket$inet(0x2, 0x3, 0x101) 07:28:26 executing program 5: sendmsg$ETHTOOL_MSG_LINKMODES_SET(0xffffffffffffffff, 0x0, 0x0) r0 = socket$unix(0x1, 0x1, 0x0) bind$unix(r0, &(0x7f0000000140)=@file={0x1, './file0\x00'}, 0x6e) 07:28:26 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x6c}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) [ 1419.992823][ T3985] batman_adv: Cannot find parent device [ 1420.007922][ T3985] batman_adv: batadv0: Adding interface: ip6gretap792 [ 1420.015101][ T3985] batman_adv: batadv0: The MTU of interface ip6gretap792 is too small (1434) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 07:28:26 executing program 1: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$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, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xff0f0000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) [ 1420.045670][ T3985] batman_adv: batadv0: Not using interface ip6gretap792 (retrying later): interface not active 07:28:26 executing program 3: io_uring_setup(0x0, &(0x7f0000000180)) munmap(&(0x7f0000ffc000/0x1000)=nil, 0x1000) mlock2(&(0x7f0000ff3000/0x2000)=nil, 0x2000, 0x0) syz_io_uring_setup(0x1c22, &(0x7f0000000080), &(0x7f0000ff3000/0x2000)=nil, &(0x7f0000ff4000/0x2000)=nil, &(0x7f0000000100), &(0x7f0000000140)) 07:28:26 executing program 4: munmap(&(0x7f0000ab2000/0x1000)=nil, 0x1000) get_mempolicy(0x0, &(0x7f0000000040), 0x402b, &(0x7f0000ab1000/0x4000)=nil, 0x2) 07:28:26 executing program 5: pselect6(0x40, &(0x7f00000001c0)={0x1}, &(0x7f0000000200)={0x2}, 0x0, &(0x7f0000000280)={0x77359400}, 0x0) [ 1420.583461][ T3998] batman_adv: Cannot find parent device [ 1420.628932][ T4001] batman_adv: Cannot find parent device 07:28:27 executing program 3: socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) ioctl$ifreq_SIOCGIFINDEX_wireguard(r0, 0x8933, 0x0) 07:28:27 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000180)={'batadv0\x00', 0x0}) r2 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0xff00}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x48}}, 0x0) 07:28:27 executing program 4: syz_read_part_table(0x0, 0x1, &(0x7f0000000500)=[{0x0, 0x0, 0x3ff}]) 07:28:27 executing program 1: r0 = socket$nl_route(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$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xff7f0000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:28:27 executing program 2: r0 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x74}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:28:27 executing program 5: r0 = memfd_create(&(0x7f0000000100)=':#:\x00', 0x0) write$binfmt_script(r0, &(0x7f0000000140)={'#! ', './file0'}, 0xb) [ 1421.651974][ T4028] batman_adv: Cannot find parent device [ 1421.667094][ T4028] batman_adv: batadv0: Adding interface: ip6gretap793 [ 1421.674499][ T4028] batman_adv: batadv0: The MTU of interface ip6gretap793 is too small (1434) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1421.704543][ T4028] batman_adv: batadv0: Not using interface ip6gretap793 (retrying later): interface not active [ 1421.733578][ T4029] loop4: detected capacity change from 0 to 3 [ 1421.796774][ T4029] Dev loop4: unable to read RDB block 3 [ 1421.802628][ T4029] loop4: unable to read partition table [ 1421.818363][ T4029] loop4: partition table beyond EOD, truncated [ 1421.825227][ T4029] loop_reread_partitions: partition scan of loop4 () failed (rc=-5) [ 1421.961513][ T4036] batman_adv: Cannot find parent device [ 1422.006303][ T4038] batman_adv: Cannot find parent device 07:28:28 executing program 3: openat$ttyprintk(0xffffffffffffff9c, &(0x7f0000000100), 0x100, 0x0) 07:28:28 executing program 4: r0 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$NFT_BATCH(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000040)={{0x14}, [], {0x14, 0x10}}, 0x28}}, 0x0) 07:28:28 executing program 5: clone(0xa022d00, 0x0, 0x0, 0x0, 0x0) clone(0x0, 0x0, 0x0, &(0x7f00000000c0), 0x0) r0 = syz_io_uring_setup(0x3511, &(0x7f00000007c0)={0x0, 0x0, 0x0, 0x1}, &(0x7f0000ffe000/0x2000)=nil, &(0x7f0000ffd000/0x3000)=nil, 0x0, &(0x7f0000000480)) r1 = perf_event_open(&(0x7f00000006c0)={0x4, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x2, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, @perf_config_ext={0xff, 0x6}, 0x8010, 0x0, 0xffffffff, 0x3, 0x0, 0x800, 0x4, 0x0, 0x3, 0x0, 0x3}, 0x0, 0xd, 0xffffffffffffffff, 0x0) ioctl$PERF_EVENT_IOC_MODIFY_ATTRIBUTES(r1, 0x4008240b, 0x0) ioctl$BTRFS_IOC_SET_RECEIVED_SUBVOL(r0, 0xc0c89425, &(0x7f00000005c0)={"39c961a10fdfe1df2679936254bcb4a2", 0x0, 0x0, {0xa493, 0x6}, {0xfffffffffffffc01, 0x4}, 0x0, [0x1, 0x0, 0x5, 0x7f, 0x7, 0x4c98f373, 0x4, 0x7, 0x0, 0x3, 0x100000001, 0x7, 0xfffffffffffffff7, 0x2, 0x8, 0x20]}) syz_open_dev$vcsn(&(0x7f00000003c0), 0x4, 0x55dc40) ioctl$ifreq_SIOCGIFINDEX_team(0xffffffffffffffff, 0x8933, &(0x7f0000000940)) 07:28:28 executing program 1: r0 = socket$nl_route(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$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xffff0000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:28:29 executing program 2: r0 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x7a}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:28:29 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000180)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0xff0f}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x48}}, 0x0) 07:28:29 executing program 3: r0 = socket$nl_sock_diag(0x10, 0x3, 0x4) ioctl$sock_ipv4_tunnel_SIOCADDTUNNEL(r0, 0x5421, &(0x7f0000000b80)={'tunl0\x00', 0x0}) 07:28:29 executing program 4: r0 = timerfd_create(0x9, 0x0) timerfd_settime(r0, 0x1, &(0x7f0000000040)={{}, {0x77359400}}, &(0x7f0000000080)) [ 1423.096254][ T4075] batman_adv: Cannot find parent device 07:28:29 executing program 5: madvise(&(0x7f0000ffe000/0x2000)=nil, 0x2007, 0x0) [ 1423.284706][ T4080] batman_adv: Cannot find parent device [ 1423.584243][ T4095] batman_adv: Cannot find parent device [ 1423.599263][ T4095] batman_adv: batadv0: Adding interface: ip6gretap794 [ 1423.606748][ T4095] batman_adv: batadv0: The MTU of interface ip6gretap794 is too small (1434) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. 07:28:30 executing program 1: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$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, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xffff0300}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) [ 1423.633984][ T4095] batman_adv: batadv0: Not using interface ip6gretap794 (retrying later): interface not active 07:28:30 executing program 3: r0 = socket$nl_sock_diag(0x10, 0x3, 0x4) ioctl$sock_ipv4_tunnel_SIOCADDTUNNEL(r0, 0x2, &(0x7f0000000b80)={'tunl0\x00', 0x0}) 07:28:30 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xa1}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:28:30 executing program 4: r0 = socket$nl_sock_diag(0x10, 0x3, 0x4) ioctl$sock_ipv4_tunnel_SIOCADDTUNNEL(r0, 0x40049409, &(0x7f0000000b80)={'tunl0\x00', 0x0}) 07:28:30 executing program 5: perf_event_open(&(0x7f0000000040)={0x2, 0x80, 0x1f, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000006c0)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c44, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) syz_mount_image$tmpfs(&(0x7f00000002c0), &(0x7f0000000100)='./bus\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB='huge=always']) chdir(&(0x7f0000000380)='./bus\x00') r0 = creat(&(0x7f0000000400)='./bus\x00', 0x0) ftruncate(r0, 0x208200) r1 = open(&(0x7f0000000200)='./bus\x00', 0x10103e, 0x0) mmap(&(0x7f0000000000/0x600000)=nil, 0x600000, 0x7ffffe, 0x4002011, r1, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x0) [ 1424.325926][ T4107] batman_adv: Cannot find parent device [ 1424.372483][ T4106] batman_adv: Cannot find parent device 07:28:31 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000180)={'batadv0\x00', 0x0}) r2 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0xff7f}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x48}}, 0x0) 07:28:31 executing program 3: io_uring_setup(0x0, &(0x7f0000000180)) munmap(&(0x7f0000ffc000/0x1000)=nil, 0x1000) syz_io_uring_setup(0x319, &(0x7f0000000080), &(0x7f0000ff4000/0x4000)=nil, &(0x7f0000ffc000/0x1000)=nil, 0x0, 0x0) 07:28:31 executing program 1: r0 = socket$nl_route(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$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xffff80fe}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:28:31 executing program 4: msgsnd(0xffffffffffffffff, &(0x7f00000001c0)=ANY=[], 0x9b, 0x0) 07:28:31 executing program 2: r0 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xd8}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:28:31 executing program 5: r0 = socket$unix(0x1, 0x1, 0x0) sendmmsg$unix(r0, &(0x7f000000db40)=[{0x0, 0x0, 0x0}], 0x1, 0x0) [ 1425.171673][ T4129] batman_adv: Cannot find parent device [ 1425.185798][ T4129] batman_adv: batadv0: Adding interface: ip6gretap795 [ 1425.193019][ T4129] batman_adv: batadv0: The MTU of interface ip6gretap795 is too small (1434) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1425.219599][ T4129] batman_adv: batadv0: Not using interface ip6gretap795 (retrying later): interface not active [ 1425.316028][ T4136] batman_adv: Cannot find parent device 07:28:31 executing program 3: syz_io_uring_setup(0x32e5, &(0x7f0000000080), &(0x7f0000ffb000/0x3000)=nil, &(0x7f0000ffb000/0x3000)=nil, &(0x7f0000000000), 0x0) syz_io_uring_setup(0x313b, &(0x7f0000000080), &(0x7f0000ffe000/0x2000)=nil, &(0x7f0000ffc000/0x3000)=nil, &(0x7f0000000100), &(0x7f0000000140)) 07:28:32 executing program 4: prctl$PR_SET_MM_MAP_SIZE(0x34, 0xf, 0x0) [ 1425.680013][ T4142] batman_adv: Cannot find parent device 07:28:32 executing program 1: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$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, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xffffa888}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:28:32 executing program 5: syz_mount_image$tmpfs(0x0, &(0x7f0000000040)='./file0\x00', 0x200, 0x2, &(0x7f0000000200)=[{&(0x7f0000000080)}, {&(0x7f0000000140)="8a", 0x1}], 0x2b0800, &(0x7f0000000240)={[{@mpol={'mpol', 0x3d, {'bind', '=relative'}}}], [{@measure}, {@permit_directio}, {@smackfsdef={'smackfsdef', 0x3d, '!-'}}, {@uid_eq}, {@fsuuid={'fsuuid', 0x3d, {[0x0, 0x39, 0x34, 0x0, 0x0, 0x31, 0x0, 0x61], 0x2d, [0x0, 0x34, 0x61], 0x2d, [], 0x2d, [0x63, 0x0, 0x39], 0x2d, [0x0, 0x0, 0x30, 0x34, 0x0, 0x33, 0x32]}}}, {@smackfsroot={'smackfsroot', 0x3d, '\'#'}}]}) 07:28:32 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000180)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0xfffe}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x48}}, 0x0) 07:28:32 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xfc}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:28:32 executing program 4: syz_mount_image$tmpfs(&(0x7f000000d000), 0x0, 0x0, 0x4, &(0x7f000000e200)=[{&(0x7f000000d080)="883c39cbc30b73d0", 0x8, 0x1}, {&(0x7f000000d0c0)="e230641b4ce5aaf70221116cd3a45270348ed81e448dbc365df2e1c76713f56078c31f9be751f728f8d0c9e07518967514ffd87eb1fab46dbb60d659ce583bf6de67c484c412a85eac9668d674b52e4b692713aecfe58c6c05f314a16c3d7aaeafb3c987f653111239", 0x69, 0x9}, {&(0x7f000000d140)="4965fd1514e3722de21e1e525011a88428209a557cc5ce057af5b8242955e32272af8429a1e33baa95b6833d8d83de98639336377f22a9d018b8727bec25d49adc87ce76c421472df7190abd12ef778cbf1bf098ff1c0ea1dc", 0x59, 0x100000000}, {&(0x7f000000d1c0)="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", 0xc00, 0xfd}], 0x80000, &(0x7f000000e280)={[{@size={'size', 0x3d, [0x38, 0x67]}}], [{@smackfsfloor={'smackfsfloor', 0x3d, 'fusectl\x00'}}, {@context={'context', 0x3d, 'root'}}, {@fscontext={'fscontext', 0x3d, 'root'}}, {@appraise_type}]}) 07:28:32 executing program 3: r0 = openat$pfkey(0xffffffffffffff9c, &(0x7f0000000740), 0x0, 0x0) accept4$unix(r0, 0x0, 0x0, 0x1000) [ 1426.432104][ T4157] batman_adv: Cannot find parent device [ 1426.757169][ T4167] batman_adv: Cannot find parent device [ 1426.772542][ T4167] batman_adv: batadv0: Adding interface: ip6gretap796 [ 1426.779813][ T4167] batman_adv: batadv0: The MTU of interface ip6gretap796 is too small (1434) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1426.810217][ T4167] batman_adv: batadv0: Not using interface ip6gretap796 (retrying later): interface not active 07:28:33 executing program 5: r0 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$NFT_BATCH(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000240)={{0x14}, [@NFT_MSG_DELOBJ={0x1c, 0x14, 0xa, 0x101, 0x0, 0x0, {}, [@NFTA_OBJ_TYPE={0x8}]}], {0x14}}, 0x44}}, 0x0) 07:28:33 executing program 1: r0 = socket$nl_route(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$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xffffc0fe}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) [ 1426.948414][ T4171] batman_adv: Cannot find parent device 07:28:33 executing program 2: r0 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xfe}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) [ 1427.036881][ T4174] loop4: detected capacity change from 0 to 6 07:28:33 executing program 4: getresgid(&(0x7f00000001c0), &(0x7f0000000100)=0x0, &(0x7f0000000180)) syz_mount_image$tmpfs(&(0x7f0000000040), &(0x7f0000000080)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000380)=ANY=[@ANYBLOB='gid=', @ANYRESHEX=r0, @ANYBLOB=',mpol=prefer']) [ 1427.179058][ T4174] loop4: detected capacity change from 0 to 6 07:28:33 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000180)={'batadv0\x00', 0x0}) r2 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x48}}, 0x0) 07:28:33 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) sendmmsg$unix(r0, &(0x7f0000002940)=[{0x0, 0x0, 0x0, 0x0, &(0x7f0000000380)=[@rights={{0x14, 0x1, 0x1, [0xffffffffffffffff]}}], 0x18}], 0x1, 0x0) [ 1427.679840][ T4196] batman_adv: Cannot find parent device 07:28:34 executing program 5: syz_genetlink_get_family_id$nl80211(&(0x7f0000000380), 0xffffffffffffffff) get_mempolicy(&(0x7f00000000c0), &(0x7f0000000100), 0x5482, &(0x7f0000ffe000/0x2000)=nil, 0x4) [ 1427.817693][ T4197] batman_adv: Cannot find parent device [ 1428.037454][ T4212] batman_adv: Cannot find parent device [ 1428.052267][ T4212] batman_adv: batadv0: Adding interface: ip6gretap797 [ 1428.059545][ T4212] batman_adv: batadv0: The MTU of interface ip6gretap797 is too small (1434) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1428.086876][ T4212] batman_adv: batadv0: Not using interface ip6gretap797 (retrying later): interface not active 07:28:34 executing program 1: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$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, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xffffe000}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:28:34 executing program 4: r0 = socket$unix(0x1, 0x1, 0x0) bind$unix(r0, &(0x7f0000000140)=@file={0x1, './file0\x00'}, 0x6e) statx(0xffffffffffffff9c, &(0x7f0000001780)='./file0\x00', 0x0, 0x0, &(0x7f00000017c0)) 07:28:34 executing program 3: socket$inet_tcp(0x2, 0x1, 0x0) openat$ttyS3(0xffffffffffffff9c, &(0x7f0000002040), 0x0, 0x0) 07:28:34 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x122}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:28:35 executing program 5: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000004440)={0xffffffffffffffff, 0xffffffffffffffff}) bind$unix(r0, &(0x7f0000000000)=@file={0x1, './file0\x00'}, 0x6e) 07:28:35 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000180)={'batadv0\x00', 0x0}) r2 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x2}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x48}}, 0x0) [ 1428.972117][ T4235] batman_adv: Cannot find parent device 07:28:35 executing program 3: r0 = socket$nl_sock_diag(0x10, 0x3, 0x4) ioctl$sock_ipv4_tunnel_SIOCADDTUNNEL(r0, 0x40049409, 0x0) [ 1429.044404][ T4237] batman_adv: Cannot find parent device 07:28:35 executing program 4: shmat(0x0, &(0x7f0000ffa000/0x4000)=nil, 0x5000) shmat(0x0, &(0x7f0000ffd000/0x2000)=nil, 0x5000) 07:28:35 executing program 5: r0 = clone3(&(0x7f0000000a80)={0x0, 0x0, 0x0, 0x0, {}, 0x0, 0x0, 0x0, 0x0}, 0x58) r1 = pidfd_open(r0, 0x0) process_madvise(r1, 0x0, 0x0, 0x0, 0x0) 07:28:36 executing program 1: r0 = socket$nl_route(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$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xffffff7f}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:28:36 executing program 2: r0 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x134}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) [ 1429.606751][ T4248] batman_adv: Cannot find parent device [ 1429.621259][ T4248] batman_adv: batadv0: Adding interface: ip6gretap798 [ 1429.628550][ T4248] batman_adv: batadv0: The MTU of interface ip6gretap798 is too small (1434) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1429.655423][ T4248] batman_adv: batadv0: Not using interface ip6gretap798 (retrying later): interface not active 07:28:36 executing program 3: pselect6(0x40, &(0x7f00000001c0), &(0x7f0000000200)={0x2}, 0x0, 0x0, 0x0) 07:28:36 executing program 4: r0 = syz_open_procfs$namespace(0x0, &(0x7f0000000040)='ns/uts\x00') ioctl$NS_GET_PARENT(r0, 0xb702, 0x0) [ 1430.252856][ T4258] batman_adv: Cannot find parent device [ 1430.296841][ T4259] batman_adv: Cannot find parent device 07:28:37 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000180)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x3}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x48}}, 0x0) 07:28:37 executing program 1: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$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, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xffffff81}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:28:37 executing program 3: socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) sendmmsg$sock(r0, &(0x7f0000002640)=[{{0x0, 0x0, 0x0}}], 0x1, 0x0) 07:28:37 executing program 5: r0 = socket$inet_tcp(0x2, 0x1, 0x0) setsockopt$inet_tcp_buf(r0, 0x6, 0x5, &(0x7f0000000100)="94000000", 0x4) 07:28:37 executing program 4: fork() clone3(&(0x7f0000000280)={0x48024500, 0x0, 0x0, 0x0, {}, 0x0, 0x0, 0x0, 0x0}, 0x58) 07:28:37 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x2cc}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) [ 1431.044608][ T4277] batman_adv: Cannot find parent device [ 1431.067145][ T4277] batman_adv: batadv0: Adding interface: ip6gretap799 [ 1431.074455][ T4277] batman_adv: batadv0: The MTU of interface ip6gretap799 is too small (1434) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1431.101998][ T4277] batman_adv: batadv0: Interface activated: ip6gretap799 [ 1431.168000][ T4283] batman_adv: Cannot find parent device [ 1431.449944][ T4291] batman_adv: Cannot find parent device [ 1431.466242][ T3129] ieee802154 phy0 wpan0: encryption failed: -22 [ 1431.473311][ T3129] ieee802154 phy1 wpan1: encryption failed: -22 07:28:38 executing program 3: syz_io_uring_setup(0x2d79, &(0x7f0000000000)={0x0, 0x0, 0x16, 0x2}, &(0x7f0000ffd000/0x3000)=nil, &(0x7f0000ffc000/0x4000)=nil, &(0x7f0000000080), &(0x7f00000000c0)) 07:28:38 executing program 5: keyctl$restrict_keyring(0x19, 0xfffffffffffffffc, 0x0, 0x0) [ 1431.679697][ T4297] IPVS: ftp: loaded support on port[0] = 21 07:28:38 executing program 1: r0 = socket$nl_route(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$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xffffff9e}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:28:38 executing program 2: r0 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x2de}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:28:38 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000180)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x4}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x48}}, 0x0) 07:28:38 executing program 3: r0 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$NFT_BATCH(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000840)=ANY=[@ANYBLOB="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"], 0x268}}, 0x0) 07:28:38 executing program 5: syz_mount_image$tmpfs(0x0, &(0x7f0000000040)='./file0\x00', 0x200, 0x2, &(0x7f0000000200)=[{&(0x7f0000000080)=':', 0x1, 0x7}, {0x0}], 0x0, 0x0) [ 1432.516566][ T4328] batman_adv: Cannot find parent device 07:28:39 executing program 4: r0 = msgget$private(0x0, 0x0) msgrcv(r0, 0x0, 0x0, 0x0, 0x2800) [ 1432.612374][ T4332] batman_adv: Cannot find parent device [ 1432.686576][ T4336] batman_adv: Cannot find parent device [ 1432.700799][ T4336] batman_adv: batadv0: Adding interface: ip6gretap800 [ 1432.708062][ T4336] batman_adv: batadv0: The MTU of interface ip6gretap800 is too small (1434) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1432.739251][ T4336] batman_adv: batadv0: Not using interface ip6gretap800 (retrying later): interface not active [ 1432.870233][ T4342] netlink: 36 bytes leftover after parsing attributes in process `syz-executor.3'. 07:28:39 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x300}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:28:39 executing program 1: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$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, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xffffffc3}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:28:39 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$IEEE802154_LLSEC_ADD_DEV(r0, &(0x7f0000000240)={&(0x7f0000000280), 0xc, &(0x7f0000000200)={&(0x7f00000001c0)={0xfffffffffffffe5b, 0x0, 0x0, 0x0, 0x0, {}, [@IEEE802154_ATTR_PAN_ID={0x6}]}, 0x1c}}, 0x0) 07:28:39 executing program 5: keyctl$restrict_keyring(0x7, 0xfffffffffffffffc, 0x0, 0x0) 07:28:40 executing program 4: syz_mount_image$tmpfs(&(0x7f0000000140), &(0x7f0000000180)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000001540)={[{@mpol={'mpol', 0x3d, {'prefer', '=relative', @val={0x3a, [0x38, 0x2f]}}}}]}) [ 1433.534566][ T4349] batman_adv: Cannot find parent device 07:28:40 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000180)={'batadv0\x00', 0x0}) r2 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x5}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x48}}, 0x0) [ 1433.658552][ T4354] batman_adv: Cannot find parent device 07:28:40 executing program 3: keyctl$KEYCTL_MOVE(0x1e, 0x0, 0x0, 0x0, 0x839ff9a42e8fd78d) 07:28:40 executing program 5: madvise(&(0x7f0000ffe000/0x2000)=nil, 0x2000, 0xc) 07:28:40 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x37e}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) [ 1434.185414][ T4364] tmpfs: Bad value for 'mpol' [ 1434.197014][ T4364] tmpfs: Bad value for 'mpol' [ 1434.316222][ T4366] batman_adv: Cannot find parent device [ 1434.338199][ T4366] batman_adv: batadv0: Adding interface: ip6gretap801 [ 1434.346093][ T4366] batman_adv: batadv0: The MTU of interface ip6gretap801 is too small (1434) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 1434.374234][ T4366] batman_adv: batadv0: Interface activated: ip6gretap801 07:28:40 executing program 1: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$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, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0xffffffe0}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:28:40 executing program 4: r0 = socket$inet_tcp(0x2, 0x1, 0x0) setsockopt$inet_tcp_buf(r0, 0x6, 0x17, &(0x7f0000000000)="8e315e96", 0x4) 07:28:41 executing program 5: syz_mount_image$tmpfs(0x0, 0x0, 0x0, 0x1, &(0x7f0000000200)=[{&(0x7f0000000140)="8a", 0x1}], 0x0, 0x0) [ 1434.710265][ T4375] batman_adv: Cannot find parent device 07:28:41 executing program 3: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000004440)={0xffffffffffffffff, 0xffffffffffffffff}) sendmsg$unix(r0, &(0x7f0000000180)={&(0x7f00000000c0)=@abs={0x1}, 0x6e, &(0x7f0000000240)=[{0x0}, {&(0x7f00000015c0)="af", 0x1}], 0x2}, 0x0) [ 1435.005151][ T4379] batman_adv: Cannot find parent device 07:28:41 executing program 2: r0 = socket$nl_route(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) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x0, 0x380}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r2}]}}}, @IFLA_MASTER={0x8}]}, 0x48}}, 0x0) 07:28:41 executing program 0: r0 = socket(0x10, 0x80002, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r0, 0x8933, &(0x7f0000000180)={'batadv0\x00', 0x0}) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000000)=@newlink={0x48, 0x10, 0x401, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x6}, [@IFLA_LINKINFO={0x20, 0x12, 0x0, 0x1, @ip6gretap={{0xe}, {0xc, 0x2, 0x0, 0x1, [@IFLA_GRE_LINK={0x8, 0x1, r4}]}}}, @IFLA_MASTER={0x8, 0xa, r1}]}, 0x48}}, 0x0) [ 1435.407712][ T475] ===================================================== [ 1435.412931][ T475] BUG: KMSAN: uninit-value in kmsan_check_skb+0x3c/0x240 [ 1435.412931][ T475] CPU: 0 PID: 475 Comm: kworker/u4:11 Tainted: G W 5.12.0-rc6-syzkaller #0 [ 1435.412931][ T475] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1435.412931][ T475] Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet [ 1435.443069][ T475] Call Trace: [ 1435.443069][ T475] dump_stack+0x24c/0x2e0 [ 1435.443069][ T475] kmsan_report+0xfb/0x1e0 [ 1435.443069][ T475] kmsan_internal_check_memory+0x1f5/0x500 [ 1435.443069][ T475] kmsan_check_skb+0x3c/0x240 [ 1435.443069][ T475] pfifo_fast_dequeue+0x1031/0x1190 [ 1435.443069][ T475] ? pfifo_fast_enqueue+0x9f0/0x9f0 [ 1435.443069][ T475] dequeue_skb+0x4ad/0x3680 [ 1435.443069][ T475] __qdisc_run+0x101/0x490 [ 1435.443069][ T475] ? kmsan_set_origin_checked+0xa2/0x100 [ 1435.443069][ T475] __dev_queue_xmit+0x26ad/0x4600 [ 1435.443069][ T475] ? kmsan_get_metadata+0x116/0x180 [ 1435.443069][ T475] dev_queue_xmit+0x4b/0x60 [ 1435.443069][ T475] batadv_send_skb_packet+0x622/0x970 [ 1435.443069][ T475] batadv_send_broadcast_skb+0x76/0x90 [ 1435.443069][ T475] batadv_iv_send_outstanding_bat_ogm_packet+0xb2d/0xef0 [ 1435.443069][ T475] ? batadv_iv_ogm_queue_add+0x1c40/0x1c40 [ 1435.443069][ T475] process_one_work+0x1219/0x1fe0 [ 1435.443069][ T475] worker_thread+0x10ec/0x2340 [ 1435.443069][ T475] kthread+0x521/0x560 [ 1435.443069][ T475] ? process_one_work+0x1fe0/0x1fe0 [ 1435.443069][ T475] ? kthread_blkcg+0x110/0x110 [ 1435.443069][ T475] ret_from_fork+0x1f/0x30 [ 1435.443069][ T475] [ 1435.443069][ T475] Uninit was stored to memory at: [ 1435.443069][ T475] kmsan_internal_chain_origin+0xad/0x130 [ 1435.443069][ T475] kmsan_memcpy_memmove_metadata+0x25e/0x2d0 [ 1435.443069][ T475] kmsan_memcpy_metadata+0xb/0x10 [ 1435.443069][ T475] __msan_memcpy+0x46/0x60 [ 1435.443069][ T475] pskb_expand_head+0x3d6/0x1e20 [ 1435.443069][ T475] batadv_skb_head_push+0x2cc/0x410 [ 1435.443069][ T475] batadv_send_skb_packet+0x1ed/0x970 [ 1435.443069][ T475] batadv_send_broadcast_skb+0x76/0x90 [ 1435.443069][ T475] batadv_iv_send_outstanding_bat_ogm_packet+0xb2d/0xef0 [ 1435.443069][ T475] process_one_work+0x1219/0x1fe0 [ 1435.443069][ T475] worker_thread+0x10ec/0x2340 [ 1435.443069][ T475] kthread+0x521/0x560 [ 1435.443069][ T475] ret_from_fork+0x1f/0x30 [ 1435.443069][ T475] [ 1435.443069][ T475] Uninit was created at: [ 1435.443069][ T475] kmsan_internal_poison_shadow+0x66/0xd0 [ 1435.443069][ T475] kmsan_slab_alloc+0x8e/0xe0 [ 1435.443069][ T475] __kmalloc_node_track_caller+0xa4f/0x1470 [ 1435.443069][ T475] __alloc_skb+0x4dd/0xe90 [ 1435.443069][ T475] __netdev_alloc_skb+0x45d/0x810 [ 1435.443069][ T475] batadv_iv_ogm_queue_add+0x1376/0x1c40 [ 1435.443069][ T475] batadv_iv_ogm_schedule+0x12cd/0x16b0 [ 1435.443069][ T475] batadv_iv_send_outstanding_bat_ogm_packet+0xd6e/0xef0 [ 1435.443069][ T475] process_one_work+0x1219/0x1fe0 [ 1435.443069][ T475] worker_thread+0x10ec/0x2340 [ 1435.443069][ T475] kthread+0x521/0x560 [ 1435.443069][ T475] ret_from_fork+0x1f/0x30 [ 1435.443069][ T475] [ 1435.443069][ T475] Bytes 52-53 of 74 are uninitialized [ 1435.443069][ T475] Memory access of size 74 starts at ffff888056bdbc40 [ 1435.443069][ T475] ===================================================== [ 1435.443069][ T475] Disabling lock debugging due to kernel taint [ 1435.443069][ T475] Kernel panic - not syncing: panic_on_kmsan set ... [ 1435.443069][ T475] CPU: 0 PID: 475 Comm: kworker/u4:11 Tainted: G B W 5.12.0-rc6-syzkaller #0 [ 1435.443069][ T475] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1435.443069][ T475] Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet [ 1435.443069][ T475] Call Trace: [ 1435.443069][ T475] dump_stack+0x24c/0x2e0 [ 1435.443069][ T475] panic+0x4c6/0xea7 [ 1435.443069][ T475] ? add_taint+0x17c/0x210 [ 1435.443069][ T475] kmsan_report+0x1de/0x1e0 [ 1435.443069][ T475] kmsan_internal_check_memory+0x1f5/0x500 [ 1435.443069][ T475] kmsan_check_skb+0x3c/0x240 [ 1435.443069][ T475] pfifo_fast_dequeue+0x1031/0x1190 [ 1435.443069][ T475] ? pfifo_fast_enqueue+0x9f0/0x9f0 [ 1435.443069][ T475] dequeue_skb+0x4ad/0x3680 [ 1435.443069][ T475] __qdisc_run+0x101/0x490 [ 1435.443069][ T475] ? kmsan_set_origin_checked+0xa2/0x100 [ 1435.443069][ T475] __dev_queue_xmit+0x26ad/0x4600 [ 1435.443069][ T475] ? kmsan_get_metadata+0x116/0x180 [ 1435.443069][ T475] dev_queue_xmit+0x4b/0x60 [ 1435.443069][ T475] batadv_send_skb_packet+0x622/0x970 [ 1435.443069][ T475] batadv_send_broadcast_skb+0x76/0x90 [ 1435.443069][ T475] batadv_iv_send_outstanding_bat_ogm_packet+0xb2d/0xef0 [ 1435.443069][ T475] ? batadv_iv_ogm_queue_add+0x1c40/0x1c40 [ 1435.443069][ T475] process_one_work+0x1219/0x1fe0 [ 1435.443069][ T475] worker_thread+0x10ec/0x2340 [ 1435.443069][ T475] kthread+0x521/0x560 [ 1435.443069][ T475] ? process_one_work+0x1fe0/0x1fe0 [ 1435.443069][ T475] ? kthread_blkcg+0x110/0x110 [ 1435.443069][ T475] ret_from_fork+0x1f/0x30 [ 1435.443069][ T475] Kernel Offset: disabled [ 1435.443069][ T475] Rebooting in 86400 seconds..