last executing test programs: 1.855384733s ago: executing program 1 (id=7): mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000000)='./sys\x00', &(0x7f0000000100)='sysfs\x00', 0x0, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000200)='./sys/bus/platform/devices/pcspkr\x00', 0x0, 0x0) 1.783592806s ago: executing program 1 (id=8): r0 = syz_open_dev$evdev(&(0x7f00000000c0), 0x2, 0x963b01) ioctl$EVIOCGSW(r0, 0x8040451b, 0x0) fsopen(&(0x7f0000000100)='ramfs\x00', 0x0) openat$sndseq(0xffffffffffffff9c, &(0x7f0000000500), 0x800) fanotify_init(0x22, 0x2) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x1, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000380)={0x8, 0x100008b}, 0x0) futex(0x0, 0x80000000000b, 0x5, 0x0, 0x0, 0x0) futex(0x0, 0xc, 0x1, 0x0, 0x0, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000200)=0x5) openat$sequencer(0xffffffffffffff9c, &(0x7f0000000300), 0x80200, 0x0) r1 = syz_open_dev$sndmidi(0x0, 0x2, 0x141102) writev(r1, &(0x7f0000000840)=[{&(0x7f00000002c0)="94", 0xf000}, {0x0}], 0x2) socket(0x15, 0x5, 0x0) pselect6(0x40, &(0x7f0000000240)={0x0, 0xfffffffffffffffc, 0xd2, 0x7d, 0x6, 0x8003, 0x4, 0x1}, 0x0, &(0x7f0000000280)={0x3ff, 0x6, 0xffffffffffffffff, 0x6, 0x0, 0x5, 0x80000009, 0x400}, 0x0, 0x0) 1.595765055s ago: executing program 1 (id=9): mkdir(&(0x7f0000000000)='./config\x00', 0x1ff) mount(0x0, &(0x7f0000000000)='./config\x00', &(0x7f0000000040)='configfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000080)='./backing_file\x00', 0x42, 0x1ff) ftruncate(r0, 0x200000) r1 = syz_open_dev$loop(&(0x7f00000000c0), 0x0, 0x2) ioctl$LOOP_SET_FD(r1, 0x4c00, r0) dup2(r1, 0x3) mkdir(&(0x7f0000000100)='./config/cluster/ocfs2\x00', 0x1ff) mkdir(&(0x7f0000000140)='./config/cluster/ocfs2/node/node0\x00', 0x1ff) r2 = openat(0xffffffffffffff9c, &(0x7f0000000180)='./config/cluster/ocfs2/node/node0/ipv4_address\x00', 0x1, 0x0) write(r2, &(0x7f00000001c0)='127.0.0.1\n', 0xa) close(r2) r3 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./config/cluster/ocfs2/node/node0/ipv4_port\x00', 0x1, 0x0) write(r3, &(0x7f0000000240)='7777\n', 0x5) r4 = openat(0xffffffffffffff9c, &(0x7f00000004c0)='./config/cluster/ocfs2/heartbeat/hb0/blocks\x00', 0x1, 0x0) write(r4, &(0x7f0000000500)='2\n', 0x2) 1.553227807s ago: executing program 1 (id=10): mkdir(&(0x7f0000000000)='./config\x00', 0x1ff) r0 = openat(0xffffffffffffff9c, &(0x7f00000003c0)='./config/cluster/ocfs2/heartbeat/hb0/block_bytes\x00', 0x1, 0x0) write(r0, &(0x7f0000000400)='512\n', 0x4) 1.464885562s ago: executing program 1 (id=11): mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./dev\x00', 0x1ff) mount(0x0, &(0x7f0000000000)='./dev\x00', &(0x7f0000000100)='devtmpfs\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000200)='./debug\x00', 0x1ff) mount(0x0, &(0x7f0000000200)='./debug\x00', &(0x7f0000000300)='debugfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000400)='./debug/ubifs/chk_general\x00', 0x1, 0x0) write(r0, &(0x7f0000000500)='1\n', 0x2) close(r0) mkdirat(0xffffffffffffff9c, &(0x7f0000000600)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000600)='./sys\x00', &(0x7f0000000700)='sysfs\x00', 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000800)='./sys/module/block2mtd/parameters/block2mtd\x00', 0x1, 0x0) write(r1, &(0x7f0000000900)='/dev/ram0,65536\n', 0x10) close(r1) r2 = syz_open_dev$mtd(&(0x7f0000000a00), 0x1, 0x2) ioctl$MEMERASE(r2, 0x40084d02, &(0x7f0000000b00)={0x0, 0x400000}) close(r2) r3 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000c00), 0x2, 0x0) ioctl(r3, 0x40186f40, &(0x7f0000000d00)="ffffffff0100"/24) close(r3) nanosleep(&(0x7f0000000e00)={0x0, 0x5f5e100}, 0x0) r4 = openat(0xffffffffffffff9c, &(0x7f0000000f00)='./dev/ubi0\x00', 0x2, 0x0) ioctl(r4, 0x40986f00, &(0x7f0000001000)="000000000100000000002000000000000300040000000000766f6c3000"/156) close(r4) mkdirat(0xffffffffffffff9c, &(0x7f0000001100)='./mnt\x00', 0x1ff) mount(&(0x7f0000001200)=@filename='ubi0_0\x00', &(0x7f0000001100)='./mnt\x00', &(0x7f0000001300)='ubifs\x00', 0x0, 0x0) r5 = openat(0xffffffffffffff9c, &(0x7f0000001400)='./mnt/testfile\x00', 0x42, 0x1b6) write(r5, &(0x7f0000001500)='trigger_ubifs_bud_bytes\n', 0x18) close(r5) sync() 923.237937ms ago: executing program 2 (id=3): mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000000)='./sys\x00', &(0x7f0000000040)='sysfs\x00', 0x0, 0x0) r0 = openat$dir(0xffffffffffffff9c, &(0x7f0000000080)='./sys/bus/pci/devices\x00', 0x0, 0x0) getdents64(r0, &(0x7f0000000100)=""/1024, 0x400) r1 = openat$dir(0xffffffffffffff9c, &(0x7f0000000500)='./sys/bus/pci/slots\x00', 0x0, 0x0) getdents64(r1, &(0x7f0000000600)=""/1024, 0x400) 777.289434ms ago: executing program 1 (id=12): syz_init_net_socket$bt_sco(0x1f, 0x5, 0x2) socketpair$unix(0x1, 0x0, 0x0, &(0x7f0000000100)) r0 = socket(0x1, 0x803, 0x0) getsockname$packet(r0, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) r2 = socket$inet6(0xa, 0x1, 0x8010000000000084) mbind(&(0x7f0000000000/0x600000)=nil, 0x600000, 0x2, 0x0, 0x8, 0x0) setsockopt$inet6_tcp_TCP_REPAIR_WINDOW(0xffffffffffffffff, 0x6, 0x1d, 0x0, 0x0) openat(0xffffffffffffff9c, 0x0, 0x2c41, 0x0) seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x0, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x7) r3 = getpid() sched_setscheduler(r3, 0x2, &(0x7f0000000000)=0x6) syz_clone(0x8000, 0x0, 0xfffffffffffffe7e, 0x0, 0x0, 0x0) r4 = syz_open_dev$MSR(&(0x7f00000001c0), 0x0, 0x0) read$msr(r4, &(0x7f0000019680)=""/102392, 0x18ff8) setns(0xc9, 0x0) listen(r2, 0x7) sendmsg$nl_route(0xffffffffffffffff, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000b40)=@ipv6_newaddr={0x34, 0x14, 0x9535393fea6295b5, 0x0, 0xfffffffa, {0xa, 0x40, 0x0, 0x0, r1}, [@IFA_LOCAL={0x14, 0x2, @mcast1={0xff, 0x2}}, @IFA_FLAGS={0x8, 0x8, 0x702}]}, 0x34}}, 0x0) sendmsg$nl_route(0xffffffffffffffff, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000340)=@ipv6_newaddr={0x2c, 0x14, 0x9535393fea6295a5, 0x0, 0x0, {0xa, 0x68, 0x0, 0xc8, r1}, [@IFA_LOCAL={0x14, 0x2, @mcast1={0xff, 0x2}}]}, 0x2c}, 0x1, 0x0, 0x0, 0x4000}, 0x0) r5 = syz_init_net_socket$bt_sco(0x1f, 0x5, 0x2) bind$bt_sco(r5, &(0x7f0000000080)={0x1f, @fixed={'\xaa\xaa\xaa\xaa\xaa', 0x11}}, 0x8) 763.797735ms ago: executing program 2 (id=13): mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000140)='./sys\x00', &(0x7f0000000180)='sysfs\x00', 0x0, 0x0) readlinkat(0xffffffffffffff9c, &(0x7f00000001c0)='./sys/bus/pci/drivers/virtio-pci/0000:00:03.0\x00', &(0x7f0000000000)=""/256, 0x100) readlinkat(0xffffffffffffff9c, &(0x7f0000000200)='./sys/bus/pci/drivers/virtio-pci/0000:00:04.0\x00', &(0x7f0000000000)=""/256, 0x100) readlinkat(0xffffffffffffff9c, &(0x7f0000000240)='./sys/bus/pci/drivers/e1000/0000:00:02.0\x00', &(0x7f0000000000)=""/256, 0x100) readlinkat(0xffffffffffffff9c, &(0x7f0000000280)='./sys/bus/pci/drivers/ahci/0000:00:1f.2\x00', &(0x7f0000000000)=""/256, 0x100) readlinkat(0xffffffffffffff9c, &(0x7f00000002c0)='./sys/bus/pci/drivers/lpc_ich/0000:00:1f.0\x00', &(0x7f0000000000)=""/256, 0x100) 213.450521ms ago: executing program 4 (id=5): r0 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./file0\x00', 0x42, 0x1ff) close(r0) mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./file0\x00', 0x1, 0x0) write(r1, &(0x7f0000000200)='0000:00:00.0\x00', 0xd) 231.711µs ago: executing program 3 (id=4): mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ff) mount(&(0x7f0000000040), &(0x7f0000000000)='./config\x00', &(0x7f0000000080)='configfs\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f00000000c0)='./config/target/core/rd_mcp_0\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./config/target/core/rd_mcp_0/dev0\x00', 0x1ff) r0 = openat(0xffffffffffffff9c, &(0x7f0000000180)='./config/target/core/rd_mcp_0/dev0/control\x00', 0x1, 0x0) write(r0, &(0x7f0000000200)='rd_pages=64\x00', 0xc) close(r0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000240)='./config/target/core/rd_mcp_0/dev0/enable\x00', 0x1, 0x0) write(r1, &(0x7f0000000280)='1\x00', 0x2) close(r1) r2 = openat(0xffffffffffffff9c, &(0x7f00000002c0)='./config/target/core/rd_mcp_0/dev0/statistics/scsi_lu/dev\x00', 0x0, 0x0) read(r2, &(0x7f0000000300)=""/100, 0x64) close(r2) 0s ago: executing program 2 (id=14): mkdirat(0xffffffffffffff9c, &(0x7f0000000240)='./config/nvmet/subsystems/n\x00', 0x1ff) symlinkat(&(0x7f00000005c0)='./config/nvmet/subsystems/n\x00', 0xffffffffffffff9c, &(0x7f0000000600)='./config/nvmet/ports/1/subsystems/n\x00') 0s ago: executing program 2 (id=17): mkdir(&(0x7f0000000000)='./config\x00', 0x1ff) mount(0x0, &(0x7f0000000000)='./config\x00', &(0x7f0000000040)='configfs\x00', 0x0, 0x0) mkdir(&(0x7f0000000080)='./config/usb_gadget/g1\x00', 0x1ff) mkdir(&(0x7f0000000100)='./config/usb_gadget/g1/functions/tcm.0\x00', 0x1ff) mkdir(&(0x7f0000000180)='./config/target/usb_gadget\x00', 0x1ff) mkdir(&(0x7f0000000200)='./config/target/usb_gadget/naa.6001405123456789\x00', 0x1ff) mkdir(&(0x7f0000000280)='./config/target/usb_gadget/naa.6001405123456789/tpgt_1\x00', 0x1ff) mkdir(&(0x7f0000000300)='./config/target/usb_gadget/naa.6001405123456789/tpgt_1/lun/lun_0\x00', 0x1ff) rmdir(&(0x7f0000000380)='./config/target/usb_gadget/naa.6001405123456789/tpgt_1/lun/lun_0\x00') kernel console output (not intermixed with test programs): Warning: Permanently added '10.128.1.67' (ED25519) to the list of known hosts. [ 52.070638][ T4173] cgroup: Unknown subsys name 'net' [ 52.168419][ T4173] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 53.393330][ T4173] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k FS [ 55.322994][ T4197] chnl_net:caif_netlink_parms(): no params data found [ 55.346084][ T4191] chnl_net:caif_netlink_parms(): no params data found [ 55.386128][ T4188] chnl_net:caif_netlink_parms(): no params data found [ 55.464784][ T4185] chnl_net:caif_netlink_parms(): no params data found [ 55.476787][ T4197] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.483987][ T4197] bridge0: port 1(bridge_slave_0) entered disabled state [ 55.493007][ T4197] device bridge_slave_0 entered promiscuous mode [ 55.521271][ T4197] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.528417][ T4197] bridge0: port 2(bridge_slave_1) entered disabled state [ 55.536950][ T4197] device bridge_slave_1 entered promiscuous mode [ 55.555695][ T4188] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.562871][ T4188] bridge0: port 1(bridge_slave_0) entered disabled state [ 55.570686][ T4188] device bridge_slave_0 entered promiscuous mode [ 55.597009][ T4188] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.604286][ T4188] bridge0: port 2(bridge_slave_1) entered disabled state [ 55.612851][ T4188] device bridge_slave_1 entered promiscuous mode [ 55.624339][ T4189] chnl_net:caif_netlink_parms(): no params data found [ 55.633786][ T4191] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.640825][ T4191] bridge0: port 1(bridge_slave_0) entered disabled state [ 55.649016][ T4191] device bridge_slave_0 entered promiscuous mode [ 55.659561][ T4191] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.666709][ T4191] bridge0: port 2(bridge_slave_1) entered disabled state [ 55.675034][ T4191] device bridge_slave_1 entered promiscuous mode [ 55.684339][ T4197] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 55.695650][ T4197] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 55.748762][ T4191] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 55.764506][ T4188] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 55.781959][ T4188] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 55.803617][ T4191] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 55.814634][ T4197] team0: Port device team_slave_0 added [ 55.839522][ T4185] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.847320][ T4185] bridge0: port 1(bridge_slave_0) entered disabled state [ 55.855136][ T4185] device bridge_slave_0 entered promiscuous mode [ 55.870368][ T4197] team0: Port device team_slave_1 added [ 55.881539][ T4188] team0: Port device team_slave_0 added [ 55.887449][ T4185] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.894732][ T4185] bridge0: port 2(bridge_slave_1) entered disabled state [ 55.902850][ T4185] device bridge_slave_1 entered promiscuous mode [ 55.911729][ T4191] team0: Port device team_slave_0 added [ 55.928602][ T4188] team0: Port device team_slave_1 added [ 55.944697][ T4191] team0: Port device team_slave_1 added [ 55.973906][ T4188] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 55.980861][ T4188] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 56.006786][ T4188] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 56.026176][ T4185] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 56.035682][ T4197] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 56.042762][ T4197] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 56.068758][ T4197] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 56.085552][ T4188] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 56.092781][ T4188] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 56.118993][ T4188] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 56.140598][ T4185] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 56.156858][ T4197] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 56.164332][ T4197] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 56.191033][ T4197] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 56.202205][ T4189] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.209252][ T4189] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.217844][ T4189] device bridge_slave_0 entered promiscuous mode [ 56.226603][ T4189] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.233777][ T4189] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.242471][ T4189] device bridge_slave_1 entered promiscuous mode [ 56.249943][ T4191] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 56.256955][ T4191] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 56.283017][ T4191] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 56.314275][ T4191] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 56.321425][ T4191] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 56.347411][ T4191] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 56.360189][ T4185] team0: Port device team_slave_0 added [ 56.395233][ T4185] team0: Port device team_slave_1 added [ 56.410834][ T4188] device hsr_slave_0 entered promiscuous mode [ 56.417735][ T4188] device hsr_slave_1 entered promiscuous mode [ 56.425902][ T4189] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 56.462353][ T4197] device hsr_slave_0 entered promiscuous mode [ 56.468973][ T4197] device hsr_slave_1 entered promiscuous mode [ 56.475816][ T4197] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 56.483823][ T4197] Cannot create hsr debugfs directory [ 56.497212][ T4189] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 56.514778][ T4191] device hsr_slave_0 entered promiscuous mode [ 56.522279][ T4191] device hsr_slave_1 entered promiscuous mode [ 56.528812][ T4191] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 56.537027][ T4191] Cannot create hsr debugfs directory [ 56.574746][ T4185] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 56.581989][ T4185] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 56.608183][ T4185] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 56.624101][ T4189] team0: Port device team_slave_0 added [ 56.646238][ T4185] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 56.654084][ T4185] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 56.680293][ T4185] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 56.692576][ T4189] team0: Port device team_slave_1 added [ 56.754466][ T4189] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 56.761523][ T4189] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 56.788060][ T4189] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 56.836691][ T4189] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 56.843796][ T4189] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 56.869949][ T4189] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 56.924104][ T4185] device hsr_slave_0 entered promiscuous mode [ 56.930743][ T4185] device hsr_slave_1 entered promiscuous mode [ 56.937649][ T4185] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 56.945350][ T4185] Cannot create hsr debugfs directory [ 57.006084][ T4189] device hsr_slave_0 entered promiscuous mode [ 57.013737][ T4189] device hsr_slave_1 entered promiscuous mode [ 57.020128][ T4189] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 57.027753][ T4189] Cannot create hsr debugfs directory [ 57.092151][ T21] Bluetooth: hci0: command 0x0409 tx timeout [ 57.098805][ T21] Bluetooth: hci3: command 0x0409 tx timeout [ 57.107844][ T13] Bluetooth: hci4: command 0x0409 tx timeout [ 57.108007][ T21] Bluetooth: hci1: command 0x0409 tx timeout [ 57.119996][ T13] Bluetooth: hci2: command 0x0409 tx timeout [ 57.143294][ T4188] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 57.154700][ T4188] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 57.187451][ T4188] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 57.203284][ T4188] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 57.230292][ T4197] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 57.240492][ T4197] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 57.262843][ T4197] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 57.282643][ T4197] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 57.347027][ T4191] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 57.356003][ T4191] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 57.368503][ T4191] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 57.380088][ T4191] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 57.391999][ T4188] 8021q: adding VLAN 0 to HW filter on device bond0 [ 57.415279][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 57.424970][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 57.444124][ T4188] 8021q: adding VLAN 0 to HW filter on device team0 [ 57.503066][ T3086] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 57.513915][ T3086] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 57.523071][ T3086] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.530218][ T3086] bridge0: port 1(bridge_slave_0) entered forwarding state [ 57.538405][ T3086] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 57.547502][ T3086] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 57.559204][ T3086] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.566321][ T3086] bridge0: port 2(bridge_slave_1) entered forwarding state [ 57.575117][ T3086] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 57.583797][ T4189] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 57.599506][ T4197] 8021q: adding VLAN 0 to HW filter on device bond0 [ 57.608686][ T4189] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 57.632161][ T3086] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 57.641968][ T4189] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 57.650427][ T4189] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 57.666952][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 57.679068][ T4191] 8021q: adding VLAN 0 to HW filter on device bond0 [ 57.701126][ T4197] 8021q: adding VLAN 0 to HW filter on device team0 [ 57.709927][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 57.718391][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 57.726756][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 57.738027][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 57.757213][ T4191] 8021q: adding VLAN 0 to HW filter on device team0 [ 57.768926][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 57.777313][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 57.789415][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 57.797915][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 57.807867][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 57.817639][ T9] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.824767][ T9] bridge0: port 1(bridge_slave_0) entered forwarding state [ 57.832658][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 57.840360][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 57.848815][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 57.857522][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 57.866335][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 57.876940][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 57.886054][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 57.896658][ T154] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.903745][ T154] bridge0: port 1(bridge_slave_0) entered forwarding state [ 57.912091][ T4185] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 57.922710][ T4185] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 57.932927][ T4185] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 57.945892][ T4185] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 57.956453][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 57.964617][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 57.976758][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 57.985407][ T154] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.992494][ T154] bridge0: port 2(bridge_slave_1) entered forwarding state [ 58.000893][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 58.009290][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 58.024497][ T4188] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 58.041841][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 58.050592][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 58.064211][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 58.074028][ T154] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 58.087397][ T154] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.094507][ T154] bridge0: port 2(bridge_slave_1) entered forwarding state [ 58.105762][ T3086] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 58.115023][ T3086] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 58.124346][ T3086] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 58.148502][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 58.158099][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 58.203154][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 58.213845][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 58.222340][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 58.230833][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 58.243333][ T4197] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 58.254675][ T4197] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 58.272098][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 58.286766][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 58.296409][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 58.311193][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 58.319789][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 58.347359][ T4191] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 58.358689][ T4191] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 58.375812][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 58.384914][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 58.394169][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 58.409076][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 58.419198][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 58.433177][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 58.444745][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 58.453975][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 58.461783][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 58.495256][ T4189] 8021q: adding VLAN 0 to HW filter on device bond0 [ 58.510877][ T4188] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 58.526466][ T4185] 8021q: adding VLAN 0 to HW filter on device bond0 [ 58.566535][ T4189] 8021q: adding VLAN 0 to HW filter on device team0 [ 58.576346][ T3086] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 58.591614][ T3086] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 58.604950][ T3086] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 58.614561][ T3086] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 58.626429][ T4197] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 58.645526][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 58.655299][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 58.668927][ T9] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.676036][ T9] bridge0: port 1(bridge_slave_0) entered forwarding state [ 58.715425][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 58.731720][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 58.739512][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 58.749436][ T3086] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 58.758442][ T3086] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 58.768323][ T3086] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.775429][ T3086] bridge0: port 2(bridge_slave_1) entered forwarding state [ 58.794816][ T4185] 8021q: adding VLAN 0 to HW filter on device team0 [ 58.814588][ T3086] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 58.824229][ T3086] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 58.842445][ T3086] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 58.851659][ T3086] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 58.859065][ T3086] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 58.881389][ T3086] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 58.889969][ T3086] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 58.898830][ T3086] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 58.907747][ T3086] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.914834][ T3086] bridge0: port 1(bridge_slave_0) entered forwarding state [ 58.923392][ T3086] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 58.932186][ T3086] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 58.940404][ T3086] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 58.948761][ T3086] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 58.958864][ T3086] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 58.967746][ T3086] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 58.977092][ T3086] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 58.985537][ T3086] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.992590][ T3086] bridge0: port 2(bridge_slave_1) entered forwarding state [ 59.004357][ T4191] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 59.021670][ T4197] device veth0_vlan entered promiscuous mode [ 59.039722][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 59.049278][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 59.057979][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 59.068095][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 59.077051][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 59.085860][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 59.095437][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 59.103956][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 59.112829][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 59.121198][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 59.129401][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 59.147336][ T4197] device veth1_vlan entered promiscuous mode [ 59.162242][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 59.170323][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 59.181560][ T4189] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 59.191235][ T4229] Bluetooth: hci2: command 0x041b tx timeout [ 59.196145][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 59.206275][ T4229] Bluetooth: hci1: command 0x041b tx timeout [ 59.222143][ T3086] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 59.230251][ T4229] Bluetooth: hci4: command 0x041b tx timeout [ 59.235498][ T3086] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 59.244130][ T4229] Bluetooth: hci3: command 0x041b tx timeout [ 59.250201][ T4229] Bluetooth: hci0: command 0x041b tx timeout [ 59.261836][ T3086] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 59.290791][ T4185] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 59.301277][ T4185] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 59.323027][ T4191] device veth0_vlan entered promiscuous mode [ 59.337491][ T3086] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 59.345583][ T3086] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 59.357213][ T3086] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 59.366212][ T3086] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 59.375267][ T3086] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 59.384531][ T3086] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 59.393286][ T3086] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 59.402108][ T3086] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 59.410346][ T3086] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 59.418919][ T3086] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 59.427465][ T3086] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 59.436230][ T3086] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 59.444742][ T3086] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 59.458140][ T3086] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 59.479967][ T4197] device veth0_macvtap entered promiscuous mode [ 59.522063][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 59.530340][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 59.539935][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 59.551566][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 59.560173][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 59.568843][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 59.585924][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 59.595729][ T4188] device veth0_vlan entered promiscuous mode [ 59.606041][ T4197] device veth1_macvtap entered promiscuous mode [ 59.624046][ T4191] device veth1_vlan entered promiscuous mode [ 59.634900][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 59.643492][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 59.654533][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 59.670792][ T4197] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 59.686302][ T4189] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 59.703156][ T4188] device veth1_vlan entered promiscuous mode [ 59.721141][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 59.729258][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 59.738229][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 59.753426][ T4197] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 59.760717][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 59.770376][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 59.795203][ T4197] netdevsim netdevsim1 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 59.804792][ T4197] netdevsim netdevsim1 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 59.815235][ T4197] netdevsim netdevsim1 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 59.824961][ T4197] netdevsim netdevsim1 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 59.847722][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 59.856455][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 59.865104][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 59.897460][ T4185] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 59.913031][ T4188] device veth0_macvtap entered promiscuous mode [ 59.920133][ T3086] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 59.928456][ T3086] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 59.938286][ T3086] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 59.947559][ T3086] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 59.955343][ T3086] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 59.964493][ T4191] device veth0_macvtap entered promiscuous mode [ 59.973035][ T3086] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 59.982554][ T3086] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 59.991201][ T3086] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 60.019739][ T4188] device veth1_macvtap entered promiscuous mode [ 60.077049][ T3086] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 60.085050][ T4191] device veth1_macvtap entered promiscuous mode [ 60.092815][ T3086] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 60.105508][ T478] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 60.117059][ T478] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 60.126365][ T478] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 60.134531][ T478] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 60.143831][ T478] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 60.164677][ T4188] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 60.175458][ T4188] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 60.187568][ T4188] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 60.198009][ T478] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 60.206593][ T478] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 60.220129][ T4189] device veth0_vlan entered promiscuous mode [ 60.239347][ T4189] device veth1_vlan entered promiscuous mode [ 60.247758][ T4188] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 60.258645][ T4188] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 60.270016][ T4188] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 60.277732][ T478] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 60.286270][ T478] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 60.294920][ T478] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 60.303461][ T478] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 60.312555][ T478] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 60.321668][ T478] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 60.329426][ T478] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 60.331286][ T9] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 60.344671][ T4191] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 60.344821][ T9] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 60.355869][ T4191] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 60.375636][ T4191] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 60.386230][ T4191] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 60.397667][ T4191] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 60.422674][ T478] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 60.431525][ T478] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 60.439202][ T478] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 60.448084][ T478] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 60.461223][ T4191] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 60.472035][ T4191] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 60.482114][ T4191] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 60.493050][ T4191] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 60.503995][ T4191] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 60.514075][ T4191] netdevsim netdevsim2 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 60.523553][ T4191] netdevsim netdevsim2 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 60.534233][ T4191] netdevsim netdevsim2 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 60.543224][ T4191] netdevsim netdevsim2 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 60.557180][ T4189] device veth0_macvtap entered promiscuous mode [ 60.575059][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 60.585534][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 60.596367][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 60.609342][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 60.622043][ T4188] netdevsim netdevsim4 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 60.630742][ T4188] netdevsim netdevsim4 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 60.643392][ T4188] netdevsim netdevsim4 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 60.652343][ T4188] netdevsim netdevsim4 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 60.667842][ T4189] device veth1_macvtap entered promiscuous mode [ 60.681329][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 60.694905][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 60.705472][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 60.717642][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 60.726070][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 60.733860][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 60.743992][ T4185] device veth0_vlan entered promiscuous mode [ 60.814605][ T4189] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 60.837224][ T4189] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 60.850302][ T4189] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 60.861208][ T4189] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 60.871429][ T4189] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 60.881893][ T4189] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 60.894380][ T4189] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 60.906425][ T4185] device veth1_vlan entered promiscuous mode [ 60.962271][ T4189] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 60.982464][ T4270] nvmet_rdma: binding CM ID to 172.20.20.23:4420 failed (-99) [ 60.985145][ T4189] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 61.006047][ T4189] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 61.017398][ T4189] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 61.027230][ T4189] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 61.038014][ T4189] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 61.050030][ T4189] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 61.079422][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 61.088607][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 61.098503][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 61.116149][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 61.126649][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 61.151663][ T478] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 61.159617][ T478] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 61.178773][ T4189] netdevsim netdevsim3 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 61.190234][ T4189] netdevsim netdevsim3 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 61.199175][ T4189] netdevsim netdevsim3 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 61.208038][ T4189] netdevsim netdevsim3 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 61.247368][ T4276] loop0: detected capacity change from 0 to 4096 [ 61.248294][ T3086] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 61.254764][ T4225] Bluetooth: hci3: command 0x040f tx timeout [ 61.277085][ T4225] Bluetooth: hci4: command 0x040f tx timeout [ 61.291664][ T3086] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 61.299034][ T4225] Bluetooth: hci1: command 0x040f tx timeout [ 61.318513][ T4185] device veth0_macvtap entered promiscuous mode [ 61.325212][ T4225] Bluetooth: hci2: command 0x040f tx timeout [ 61.350573][ T4225] Bluetooth: hci0: command 0x040f tx timeout [ 61.356869][ T3086] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 61.369745][ T3086] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 61.416361][ T4185] device veth1_macvtap entered promiscuous mode [ 61.432036][ T3086] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 61.444262][ T3086] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 61.456070][ T9] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 61.471789][ T9] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 61.502435][ T4281] ftl_cs: FTL header not found. [ 61.519644][ T4281] block2mtd: mtd1: [/dev/ram0] erase_size = 64KiB [65536] [ 61.534160][ T4279] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 61.576966][ T3086] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 61.584334][ T4281] UBIFS error (pid: 4281): cannot open "ubi0_0", error -19 [ 61.593685][ T4279] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 61.624636][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 61.638341][ T4185] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 61.649238][ T4185] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 61.660686][ T4185] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 61.673474][ T4185] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 61.685220][ T4185] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 61.696469][ T4185] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 61.707347][ T4185] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 [ 61.718021][ T4185] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 61.730487][ T4185] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 61.758713][ T4279] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 61.761753][ T478] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 61.779323][ T4279] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 61.795486][ T478] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 61.808483][ T478] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 61.835682][ T4185] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 61.846689][ T4185] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 61.856884][ T4185] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 61.867666][ T4185] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 61.877588][ T4185] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 61.888188][ T4185] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 61.898584][ T4185] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1 [ 61.909306][ T4185] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 61.920540][ T4185] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 61.941304][ T4279] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 61.949861][ T4279] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 61.960489][ T9] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 61.980198][ T9] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 62.003964][ T4185] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 62.019209][ T4185] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 62.030075][ T4185] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 62.039161][ T4185] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 62.056382][ T4279] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 62.090814][ T478] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 62.103060][ T478] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 62.357041][ T4279] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 62.867564][ T478] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 62.897562][ T478] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 62.959904][ T4291] sctp: failed to load transform for md5: -2 [ 63.011740][ T3086] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 63.077405][ T4295] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 63.103647][ T4295] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 63.119524][ T4303] Rounding down aligned max_sectors from 4294967295 to 4294967288 [ 63.167344][ T4295] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 63.224643][ T25] audit: type=1800 audit(1789427252.486:2): pid=4303 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed comm="syz.3.4" name="dev" dev="configfs" ino=33822 res=0 errno=0 [ 63.426866][ T4316] [ 63.429265][ T4316] ====================================================== [ 63.436278][ T4316] WARNING: possible circular locking dependency detected [ 63.443302][ T4316] syzkaller #0 Not tainted [ 63.447881][ T4316] ------------------------------------------------------ [ 63.454891][ T4316] syz.2.17/4316 is trying to acquire lock: [ 63.460688][ T4316] ffffffff8cc24710 (&subsys->su_mutex){+.+.}-{3:3}, at: configfs_rmdir+0x638/0x980 [ 63.470014][ T4316] [ 63.470014][ T4316] but task is already holding lock: [ 63.477369][ T4316] ffff88805e9fe4c0 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: vfs_rmdir+0xe1/0x410 [ 63.487032][ T4316] [ 63.487032][ T4316] which lock already depends on the new lock. [ 63.487032][ T4316] [ 63.497426][ T4316] [ 63.497426][ T4316] the existing dependency chain (in reverse order) is: [ 63.507400][ T4316] [ 63.507400][ T4316] -> #2 (&sb->s_type->i_mutex_key#21){++++}-{3:3}: [ 63.516094][ T4316] down_write+0x38/0x60 [ 63.520771][ T4316] configfs_depend_item_unlocked+0x14f/0x430 [ 63.527358][ T4316] usbg_make_tpg+0x1dd/0x550 [ 63.532472][ T4316] target_fabric_make_tpg+0xa0/0x6d0 [ 63.538275][ T4316] configfs_mkdir+0x511/0x9e0 [ 63.543471][ T4316] vfs_mkdir+0x386/0x570 [ 63.548229][ T4316] do_mkdirat+0x1dd/0x5c0 [ 63.553077][ T4316] __x64_sys_mkdir+0x6a/0x80 [ 63.558199][ T4316] do_syscall_64+0x4c/0xa0 [ 63.563139][ T4316] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 63.569557][ T4316] [ 63.569557][ T4316] -> #1 (tpg_instances_lock){+.+.}-{3:3}: [ 63.577466][ T4316] __mutex_lock_common+0x1e5/0x2400 [ 63.583192][ T4316] mutex_lock_nested+0x17/0x20 [ 63.588644][ T4316] usbg_make_tpg+0xf5/0x550 [ 63.593771][ T4316] target_fabric_make_tpg+0xa0/0x6d0 [ 63.599590][ T4316] configfs_mkdir+0x511/0x9e0 [ 63.604793][ T4316] vfs_mkdir+0x386/0x570 [ 63.609562][ T4316] do_mkdirat+0x1dd/0x5c0 [ 63.614416][ T4316] __x64_sys_mkdir+0x6a/0x80 [ 63.619533][ T4316] do_syscall_64+0x4c/0xa0 SYZFAIL: failed to send rpc fd=3 want=48 sent=0 n=-1 (errno 32: Broken pipe) [ 63.624481][ T4316] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 63.630903][ T4316] [ 63.630903][ T4316] -> #0 (&subsys->su_mutex){+.+.}-{3:3}: [ 63.638758][ T4316] __lock_acquire+0x2c66/0x7b50 [ 63.644144][ T4316] lock_acquire+0x19e/0x400 [ 63.649172][ T4316] __mutex_lock_common+0x1e5/0x2400 [ 63.654893][ T4316] mutex_lock_nested+0x17/0x20 [ 63.660178][ T4316] configfs_rmdir+0x638/0x980 [ 63.665370][ T4316] vfs_rmdir+0x19d/0x410 [ 63.670146][ T4316] do_rmdir+0x27f/0x710 [ 63.674827][ T4316] __x64_sys_rmdir+0x45/0x50 [ 63.679930][ T4316] do_syscall_64+0x4c/0xa0 [ 63.684857][ T4316] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 63.691266][ T4316] [ 63.691266][ T4316] other info that might help us debug this: [ 63.691266][ T4316] [ 63.701474][ T4316] Chain exists of: [ 63.701474][ T4316] &subsys->su_mutex --> tpg_instances_lock --> &sb->s_type->i_mutex_key#21 [ 63.701474][ T4316] [ 63.715964][ T4316] Possible unsafe locking scenario: [ 63.715964][ T4316] [ 63.723394][ T4316] CPU0 CPU1 [ 63.728737][ T4316] ---- ---- [ 63.734081][ T4316] lock(&sb->s_type->i_mutex_key#21); [ 63.739530][ T4316] lock(tpg_instances_lock); [ 63.746701][ T4316] lock(&sb->s_type->i_mutex_key#21); [ 63.754750][ T4316] lock(&subsys->su_mutex); [ 63.759316][ T4316] [ 63.759316][ T4316] *** DEADLOCK *** [ 63.759316][ T4316] [ 63.767526][ T4316] 3 locks held by syz.2.17/4316: [ 63.772442][ T4316] #0: ffff88801e174460 (sb_writers#13){.+.+}-{0:0}, at: mnt_want_write+0x3d/0x90 [ 63.781648][ T4316] #1: ffff8880744ff3f0 (&default_group_class[depth - 1]#2/1){+.+.}-{3:3}, at: do_rmdir+0x1b0/0x710 [ 63.792423][ T4316] #2: ffff88805e9fe4c0 (&sb->s_type->i_mutex_key#21){++++}-{3:3}, at: vfs_rmdir+0xe1/0x410 [ 63.802491][ T4316] [ 63.802491][ T4316] stack backtrace: [ 63.808375][ T4316] CPU: 1 PID: 4316 Comm: syz.2.17 Not tainted syzkaller #0 [ 63.815635][ T4316] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 63.825685][ T4316] Call Trace: [ 63.828945][ T4316] [ 63.831857][ T4316] dump_stack_lvl+0x188/0x250 [ 63.836523][ T4316] ? load_image+0x410/0x410 [ 63.841002][ T4316] ? show_regs_print_info+0x20/0x20 [ 63.846180][ T4316] ? print_circular_bug+0x12b/0x1a0 [ 63.851355][ T4316] check_noncircular+0x296/0x330 [ 63.856375][ T4316] ? add_chain_block+0x9b0/0x9b0 [ 63.861288][ T4316] ? lockdep_lock+0xf1/0x1f0 [ 63.865857][ T4316] ? __lock_acquire+0x2844/0x7b50 [ 63.870864][ T4316] ? mark_lock+0x94/0x320 [ 63.875170][ T4316] ? _find_first_zero_bit+0xd1/0xf0 [ 63.880349][ T4316] __lock_acquire+0x2c66/0x7b50 [ 63.885189][ T4316] ? __lock_acquire+0x13dc/0x7b50 [ 63.890194][ T4316] ? verify_lock_unused+0x140/0x140 [ 63.895380][ T4316] ? __lock_acquire+0x1305/0x7b50 [ 63.900387][ T4316] lock_acquire+0x19e/0x400 [ 63.904872][ T4316] ? configfs_rmdir+0x638/0x980 [ 63.909703][ T4316] ? __might_sleep+0xf0/0xf0 [ 63.914269][ T4316] ? read_lock_is_recursive+0x10/0x10 [ 63.919624][ T4316] __mutex_lock_common+0x1e5/0x2400 [ 63.924811][ T4316] ? configfs_rmdir+0x638/0x980 [ 63.929641][ T4316] ? configfs_rmdir+0x638/0x980 [ 63.934470][ T4316] ? __rwlock_init+0x140/0x140 [ 63.939409][ T4316] ? rcu_lock_release+0x5/0x20 [ 63.944151][ T4316] ? mutex_lock_io_nested+0x60/0x60 [ 63.949372][ T4316] ? _raw_spin_unlock+0x24/0x40 [ 63.954203][ T4316] mutex_lock_nested+0x17/0x20 [ 63.958946][ T4316] configfs_rmdir+0x638/0x980 [ 63.963604][ T4316] vfs_rmdir+0x19d/0x410 [ 63.967825][ T4316] do_rmdir+0x27f/0x710 [ 63.971961][ T4316] ? d_delete_notify+0x150/0x150 [ 63.976879][ T4316] ? getname_flags+0x1f9/0x4f0 [ 63.981620][ T4316] __x64_sys_rmdir+0x45/0x50 [ 63.986192][ T4316] do_syscall_64+0x4c/0xa0 [ 63.990593][ T4316] ? clear_bhb_loop+0x30/0x80 [ 63.995247][ T4316] ? clear_bhb_loop+0x30/0x80 [ 63.999904][ T4316] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 64.005793][ T4316] RIP: 0033:0x7f2c278ca159 [ 64.010189][ T4316] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 64.030377][ T4316] RSP: 002b:00007f2c25b22028 EFLAGS: 00000246 ORIG_RAX: 0000000000000054 [ 64.038771][ T4316] RAX: ffffffffffffffda RBX: 00007f2c27b51fa0 RCX: 00007f2c278ca159 [ 64.046719][ T4316] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000200000000380 [ 64.054669][ T4316] RBP: 00007f2c2796103b R08: 0000000000000000 R09: 0000000000000000 [ 64.062618][ T4316] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 64.070568][ T4316] R13: 00007f2c27b52038 R14: 00007f2c27b51fa0 R15: 00007ffece6bba78 [ 64.078524][ T4316] [ 64.133211][ T4228] Bluetooth: hci1: command 0x0419 tx timeout [ 64.139233][ T4228] Bluetooth: hci4: command 0x0419 tx timeout [ 64.147375][ T4228] Bluetooth: hci3: command 0x0419 tx timeout [ 64.155925][ T4228] Bluetooth: hci0: command 0x0419 tx timeout [ 64.162282][ T4228] Bluetooth: hci2: command 0x0419 tx timeout [ 64.192944][ T4314] ------------[ cut here ]------------ [ 64.198431][ T4314] kernel BUG at net/sunrpc/svc.c:599! [ 64.232457][ T4314] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 64.238570][ T4314] CPU: 1 PID: 4314 Comm: syz.1.16 Not tainted syzkaller #0 [ 64.245756][ T4314] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 64.255965][ T4314] RIP: 0010:svc_destroy+0x184/0x190 [ 64.261150][ T4314] Code: 5f 5d e9 0f f5 c2 f8 44 89 f9 80 e1 07 80 c1 03 38 c1 0f 8c 24 ff ff ff 4c 89 ff e8 76 89 c3 f8 e9 17 ff ff ff e8 bc 55 7e f8 <0f> 0b e8 b5 55 7e f8 0f 0b 0f 1f 00 55 41 57 41 56 41 55 41 54 53 [ 64.280748][ T4314] RSP: 0018:ffffc9000335faa0 EFLAGS: 00010246 [ 64.286813][ T4314] RAX: ffffffff88fabee4 RBX: ffff88807a381050 RCX: 0000000000080000 [ 64.294771][ T4314] RDX: ffffc9000f90e000 RSI: 000000000007ffff RDI: 0000000000080000 [ 64.302746][ T4314] RBP: 0000000000000001 R08: ffff8880b91280c3 R09: 1ffff11017225018 [ 64.310698][ T4314] R10: dffffc0000000000 R11: ffffed1017225019 R12: dffffc0000000000 [ 64.318650][ T4314] R13: ffff88802a9ac000 R14: ffff88807a381068 R15: ffff8880796d1a80 [ 64.326606][ T4314] FS: 00007f982d3c16c0(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000 [ 64.335517][ T4314] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 64.342080][ T4314] CR2: 000055c344e52000 CR3: 000000007a748000 CR4: 00000000003506e0 [ 64.350035][ T4314] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 64.357986][ T4314] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 64.365953][ T4314] Call Trace: [ 64.369218][ T4314] [ 64.372132][ T4314] nfsd_svc+0x7cf/0x9e0 [ 64.376275][ T4314] write_threads+0x2ea/0x350 [ 64.380846][ T4314] ? write_unlock_fs+0x1f0/0x1f0 [ 64.385767][ T4314] ? __might_fault+0xb3/0x110 [ 64.390427][ T4314] ? _copy_from_user+0x111/0x170 [ 64.395435][ T4314] ? simple_transaction_get+0x119/0x140 [ 64.400962][ T4314] nfsctl_transaction_write+0x105/0x150 [ 64.406489][ T4314] ? nfsctl_transaction_read+0x1b0/0x1b0 [ 64.412099][ T4314] vfs_write+0x304/0xd70 [ 64.416325][ T4314] ? file_end_write+0x250/0x250 [ 64.421333][ T4314] ? mutex_lock_nested+0x17/0x20 [ 64.426264][ T4314] ? __fdget_pos+0x2bf/0x370 [ 64.430838][ T4314] ? ksys_write+0x70/0x260 [ 64.435241][ T4314] ksys_write+0x153/0x260 [ 64.439555][ T4314] ? __ia32_sys_read+0x80/0x80 [ 64.444304][ T4314] ? lockdep_hardirqs_on+0x94/0x140 [ 64.449487][ T4314] do_syscall_64+0x4c/0xa0 [ 64.453888][ T4314] ? clear_bhb_loop+0x30/0x80 [ 64.458549][ T4314] ? clear_bhb_loop+0x30/0x80 [ 64.463209][ T4314] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 64.469086][ T4314] RIP: 0033:0x7f982f18a159 [ 64.473492][ T4314] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 64.493080][ T4314] RSP: 002b:00007f982d3c1028 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 64.501483][ T4314] RAX: ffffffffffffffda RBX: 00007f982f412090 RCX: 00007f982f18a159 [ 64.509440][ T4314] RDX: 0000000000000002 RSI: 0000200000000200 RDI: 0000000000000004 [ 64.517394][ T4314] RBP: 00007f982f22103b R08: 0000000000000000 R09: 0000000000000000 [ 64.525348][ T4314] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 64.533302][ T4314] R13: 00007f982f412128 R14: 00007f982f412090 R15: 00007ffd47003788 [ 64.541268][ T4314] [ 64.544283][ T4314] Modules linked in: [ 64.554908][ T4229] usb 5-1: new high-speed USB device number 2 using dummy_hcd [ 64.601398][ T4314] ---[ end trace 997120bb908e0cb7 ]--- [ 64.641093][ T4314] RIP: 0010:svc_destroy+0x184/0x190 [ 64.646367][ T4314] Code: 5f 5d e9 0f f5 c2 f8 44 89 f9 80 e1 07 80 c1 03 38 c1 0f 8c 24 ff ff ff 4c 89 ff e8 76 89 c3 f8 e9 17 ff ff ff e8 bc 55 7e f8 <0f> 0b e8 b5 55 7e f8 0f 0b 0f 1f 00 55 41 57 41 56 41 55 41 54 53 [ 64.667677][ T4314] RSP: 0018:ffffc9000335faa0 EFLAGS: 00010246 [ 64.676595][ T4314] RAX: ffffffff88fabee4 RBX: ffff88807a381050 RCX: 0000000000080000 [ 64.685117][ T4314] RDX: ffffc9000f90e000 RSI: 000000000007ffff RDI: 0000000000080000 [ 64.694565][ T4314] RBP: 0000000000000001 R08: ffff8880b91280c3 R09: 1ffff11017225018 [ 64.702970][ T4314] R10: dffffc0000000000 R11: ffffed1017225019 R12: dffffc0000000000 [ 64.711004][ T4314] R13: ffff88802a9ac000 R14: ffff88807a381068 R15: ffff8880796d1a80 [ 64.719060][ T4314] FS: 00007f982d3c16c0(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000 [ 64.728220][ T4314] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 64.735068][ T4314] CR2: 000055c344e52000 CR3: 000000007a748000 CR4: 00000000003506e0 [ 64.743150][ T4314] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 64.751247][ T4314] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 64.759246][ T4314] Kernel panic - not syncing: Fatal exception [ 64.766776][ T4314] Kernel Offset: disabled [ 64.771103][ T4314] Rebooting in 86400 seconds..