last executing test programs: 2.286027217s ago: executing program 0 (id=581): syz_open_dev$ircomm(&(0x7f0000000040), 0x0, 0x0) syz_open_dev$ircomm(&(0x7f0000000080), 0x0, 0x1) syz_open_dev$ircomm(&(0x7f00000000c0), 0x0, 0x2) syz_open_dev$ircomm(&(0x7f0000000100), 0x0, 0x800) syz_open_dev$ircomm(&(0x7f0000000140), 0x1, 0x0) syz_open_dev$ircomm(&(0x7f0000000180), 0x1, 0x1) syz_open_dev$ircomm(&(0x7f00000001c0), 0x1, 0x2) syz_open_dev$ircomm(&(0x7f0000000200), 0x1, 0x800) syz_open_dev$ircomm(&(0x7f0000000240), 0x2, 0x0) syz_open_dev$ircomm(&(0x7f0000000280), 0x2, 0x1) syz_open_dev$ircomm(&(0x7f00000002c0), 0x2, 0x2) syz_open_dev$ircomm(&(0x7f0000000300), 0x2, 0x800) syz_open_dev$ircomm(&(0x7f0000000340), 0x3, 0x0) syz_open_dev$ircomm(&(0x7f0000000380), 0x3, 0x1) syz_open_dev$ircomm(&(0x7f00000003c0), 0x3, 0x2) syz_open_dev$ircomm(&(0x7f0000000400), 0x3, 0x800) syz_open_dev$ircomm(&(0x7f0000000440), 0x4, 0x0) syz_open_dev$ircomm(&(0x7f0000000480), 0x4, 0x1) syz_open_dev$ircomm(&(0x7f00000004c0), 0x4, 0x2) syz_open_dev$ircomm(&(0x7f0000000500), 0x4, 0x800) 2.271707269s ago: executing program 0 (id=584): syz_init_net_socket$x25(0x9, 0x5, 0x0) 2.223962876s ago: executing program 2 (id=586): openat(0xffffffffffffff9c, &(0x7f0000000040)='/sys/kernel/debug/bluetooth/6lowpan_enable', 0x2, 0x0) 2.223888926s ago: executing program 0 (id=587): openat(0xffffffffffffff9c, &(0x7f0000000040)='/selinux/context', 0x2, 0x0) 2.223698726s ago: executing program 4 (id=588): epoll_pwait2(0xffffffffffffffff, &(0x7f0000000000), 0x0, &(0x7f0000000000), &(0x7f0000000000), 0x0) 2.223572316s ago: executing program 2 (id=589): syz_open_dev$sndmidi(&(0x7f0000000040), 0x0, 0x0) syz_open_dev$sndmidi(&(0x7f0000000080), 0x0, 0x1) syz_open_dev$sndmidi(&(0x7f00000000c0), 0x0, 0x2) syz_open_dev$sndmidi(&(0x7f0000000100), 0x0, 0x800) syz_open_dev$sndmidi(&(0x7f0000000140), 0xa, 0x0) syz_open_dev$sndmidi(&(0x7f0000000180), 0xa, 0x1) syz_open_dev$sndmidi(&(0x7f00000001c0), 0xa, 0x2) syz_open_dev$sndmidi(&(0x7f0000000200), 0xa, 0x800) syz_open_dev$sndmidi(&(0x7f0000000240), 0x14, 0x0) syz_open_dev$sndmidi(&(0x7f0000000280), 0x14, 0x1) syz_open_dev$sndmidi(&(0x7f00000002c0), 0x14, 0x2) syz_open_dev$sndmidi(&(0x7f0000000300), 0x14, 0x800) syz_open_dev$sndmidi(&(0x7f0000000340), 0x1e, 0x0) syz_open_dev$sndmidi(&(0x7f0000000380), 0x1e, 0x1) syz_open_dev$sndmidi(&(0x7f00000003c0), 0x1e, 0x2) syz_open_dev$sndmidi(&(0x7f0000000400), 0x1e, 0x800) syz_open_dev$sndmidi(&(0x7f0000000440), 0x28, 0x0) syz_open_dev$sndmidi(&(0x7f0000000480), 0x28, 0x1) syz_open_dev$sndmidi(&(0x7f00000004c0), 0x28, 0x2) syz_open_dev$sndmidi(&(0x7f0000000500), 0x28, 0x800) 2.223370946s ago: executing program 4 (id=591): remap_file_pages(0x0, 0x0, 0x0, 0x0, 0x0) 2.223247567s ago: executing program 0 (id=592): syz_open_dev$usbfs(&(0x7f0000000040), 0x0, 0x0) syz_open_dev$usbfs(&(0x7f0000000080), 0x0, 0x1) syz_open_dev$usbfs(&(0x7f00000000c0), 0x0, 0x2) syz_open_dev$usbfs(&(0x7f0000000100), 0x0, 0x800) syz_open_dev$usbfs(&(0x7f0000000140), 0xa, 0x0) syz_open_dev$usbfs(&(0x7f0000000180), 0xa, 0x1) syz_open_dev$usbfs(&(0x7f00000001c0), 0xa, 0x2) syz_open_dev$usbfs(&(0x7f0000000200), 0xa, 0x800) syz_open_dev$usbfs(&(0x7f0000000240), 0x14, 0x0) syz_open_dev$usbfs(&(0x7f0000000280), 0x14, 0x1) syz_open_dev$usbfs(&(0x7f00000002c0), 0x14, 0x2) syz_open_dev$usbfs(&(0x7f0000000300), 0x14, 0x800) syz_open_dev$usbfs(&(0x7f0000000340), 0x1e, 0x0) syz_open_dev$usbfs(&(0x7f0000000380), 0x1e, 0x1) syz_open_dev$usbfs(&(0x7f00000003c0), 0x1e, 0x2) syz_open_dev$usbfs(&(0x7f0000000400), 0x1e, 0x800) syz_open_dev$usbfs(&(0x7f0000000440), 0x28, 0x0) syz_open_dev$usbfs(&(0x7f0000000480), 0x28, 0x1) syz_open_dev$usbfs(&(0x7f00000004c0), 0x28, 0x2) syz_open_dev$usbfs(&(0x7f0000000500), 0x28, 0x800) 2.174486444s ago: executing program 2 (id=593): socket$nl_audit(0x10, 0x3, 0x9) 2.174411474s ago: executing program 1 (id=594): ftruncate(0xffffffffffffffff, 0x0) 2.145919068s ago: executing program 1 (id=597): syz_open_dev$vcsu(&(0x7f0000000040), 0x0, 0x0) syz_open_dev$vcsu(&(0x7f0000000080), 0x0, 0x1) syz_open_dev$vcsu(&(0x7f00000000c0), 0x0, 0x2) syz_open_dev$vcsu(&(0x7f0000000100), 0x0, 0x800) syz_open_dev$vcsu(&(0x7f0000000140), 0x1, 0x0) syz_open_dev$vcsu(&(0x7f0000000180), 0x1, 0x1) syz_open_dev$vcsu(&(0x7f00000001c0), 0x1, 0x2) syz_open_dev$vcsu(&(0x7f0000000200), 0x1, 0x800) syz_open_dev$vcsu(&(0x7f0000000240), 0x2, 0x0) syz_open_dev$vcsu(&(0x7f0000000280), 0x2, 0x1) syz_open_dev$vcsu(&(0x7f00000002c0), 0x2, 0x2) syz_open_dev$vcsu(&(0x7f0000000300), 0x2, 0x800) syz_open_dev$vcsu(&(0x7f0000000340), 0x3, 0x0) syz_open_dev$vcsu(&(0x7f0000000380), 0x3, 0x1) syz_open_dev$vcsu(&(0x7f00000003c0), 0x3, 0x2) syz_open_dev$vcsu(&(0x7f0000000400), 0x3, 0x800) syz_open_dev$vcsu(&(0x7f0000000440), 0x4, 0x0) syz_open_dev$vcsu(&(0x7f0000000480), 0x4, 0x1) syz_open_dev$vcsu(&(0x7f00000004c0), 0x4, 0x2) syz_open_dev$vcsu(&(0x7f0000000500), 0x4, 0x800) 2.098547076s ago: executing program 1 (id=599): epoll_create1(0x0) 1.776665505s ago: executing program 1 (id=600): mmap(&(0x7efffffff000/0x1000)=nil, 0x1000, 0x0, 0x32, 0xffffffffffffffff, 0x0) mmap(&(0x7f0000000000/0x1000000)=nil, 0x1000000, 0x7, 0x32, 0xffffffffffffffff, 0x0) mmap(&(0x7f0001000000/0x1000)=nil, 0x1000, 0x0, 0x32, 0xffffffffffffffff, 0x0) 1.713905995s ago: executing program 2 (id=595): mmap(&(0x7efffffff000/0x1000)=nil, 0x1000, 0x0, 0x32, 0xffffffffffffffff, 0x0) mmap(&(0x7f0000000000/0x1000000)=nil, 0x1000000, 0x7, 0x32, 0xffffffffffffffff, 0x0) mmap(&(0x7f0001000000/0x1000)=nil, 0x1000, 0x0, 0x32, 0xffffffffffffffff, 0x0) 1.709350816s ago: executing program 0 (id=596): mmap(&(0x7efffffff000/0x1000)=nil, 0x1000, 0x0, 0x32, 0xffffffffffffffff, 0x0) mmap(&(0x7f0000000000/0x1000000)=nil, 0x1000000, 0x7, 0x32, 0xffffffffffffffff, 0x0) mmap(&(0x7f0001000000/0x1000)=nil, 0x1000, 0x0, 0x32, 0xffffffffffffffff, 0x0) 1.642467486s ago: executing program 4 (id=598): mmap(&(0x7efffffff000/0x1000)=nil, 0x1000, 0x0, 0x32, 0xffffffffffffffff, 0x0) mmap(&(0x7f0000000000/0x1000000)=nil, 0x1000000, 0x7, 0x32, 0xffffffffffffffff, 0x0) mmap(&(0x7f0001000000/0x1000)=nil, 0x1000, 0x0, 0x32, 0xffffffffffffffff, 0x0) 1.209085223s ago: executing program 0 (id=603): socket$netlink(0x10, 0x3, 0x0) 1.183099097s ago: executing program 4 (id=604): openat(0xffffffffffffff9c, &(0x7f0000000040)='/sys/kernel/mm/ksm/run', 0x1, 0x0) 801.638387ms ago: executing program 1 (id=601): mmap(&(0x7efffffff000/0x1000)=nil, 0x1000, 0x0, 0x32, 0xffffffffffffffff, 0x0) mmap(&(0x7f0000000000/0x1000000)=nil, 0x1000000, 0x7, 0x32, 0xffffffffffffffff, 0x0) mmap(&(0x7f0001000000/0x1000)=nil, 0x1000, 0x0, 0x32, 0xffffffffffffffff, 0x0) 759.722083ms ago: executing program 2 (id=602): mmap(&(0x7efffffff000/0x1000)=nil, 0x1000, 0x0, 0x32, 0xffffffffffffffff, 0x0) mmap(&(0x7f0000000000/0x1000000)=nil, 0x1000000, 0x7, 0x32, 0xffffffffffffffff, 0x0) mmap(&(0x7f0001000000/0x1000)=nil, 0x1000, 0x0, 0x32, 0xffffffffffffffff, 0x0) 739.938256ms ago: executing program 3 (id=608): socket$nl_rdma(0x10, 0x3, 0x14) 691.457063ms ago: executing program 3 (id=610): openat(0xffffffffffffff9c, &(0x7f0000000040)='/dev/cdrom1', 0x0, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000080)='/dev/cdrom1', 0x1, 0x0) openat(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/cdrom1', 0x2, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000100)='/dev/cdrom1', 0x800, 0x0) 643.196991ms ago: executing program 3 (id=611): socket$unix(0x1, 0x1, 0x0) 606.978707ms ago: executing program 3 (id=612): syz_open_dev$sndpcmc(&(0x7f0000000040), 0x1, 0x0) syz_open_dev$sndpcmc(&(0x7f0000000080), 0x1, 0x1) syz_open_dev$sndpcmc(&(0x7f00000000c0), 0x1, 0x2) syz_open_dev$sndpcmc(&(0x7f0000000100), 0x1, 0x800) syz_open_dev$sndpcmc(&(0x7f0000000140), 0xb, 0x0) syz_open_dev$sndpcmc(&(0x7f0000000180), 0xb, 0x1) syz_open_dev$sndpcmc(&(0x7f00000001c0), 0xb, 0x2) syz_open_dev$sndpcmc(&(0x7f0000000200), 0xb, 0x800) syz_open_dev$sndpcmc(&(0x7f0000000240), 0x15, 0x0) syz_open_dev$sndpcmc(&(0x7f0000000280), 0x15, 0x1) syz_open_dev$sndpcmc(&(0x7f00000002c0), 0x15, 0x2) syz_open_dev$sndpcmc(&(0x7f0000000300), 0x15, 0x800) syz_open_dev$sndpcmc(&(0x7f0000000340), 0x1f, 0x0) syz_open_dev$sndpcmc(&(0x7f0000000380), 0x1f, 0x1) syz_open_dev$sndpcmc(&(0x7f00000003c0), 0x1f, 0x2) syz_open_dev$sndpcmc(&(0x7f0000000400), 0x1f, 0x800) syz_open_dev$sndpcmc(&(0x7f0000000440), 0x29, 0x0) syz_open_dev$sndpcmc(&(0x7f0000000480), 0x29, 0x1) syz_open_dev$sndpcmc(&(0x7f00000004c0), 0x29, 0x2) syz_open_dev$sndpcmc(&(0x7f0000000500), 0x29, 0x800) 603.506197ms ago: executing program 4 (id=606): mmap(&(0x7efffffff000/0x1000)=nil, 0x1000, 0x0, 0x32, 0xffffffffffffffff, 0x0) mmap(&(0x7f0000000000/0x1000000)=nil, 0x1000000, 0x7, 0x32, 0xffffffffffffffff, 0x0) mmap(&(0x7f0001000000/0x1000)=nil, 0x1000, 0x0, 0x32, 0xffffffffffffffff, 0x0) 559.779664ms ago: executing program 3 (id=613): syz_open_dev$usbfs(&(0x7f0000000040), 0x4, 0x0) syz_open_dev$usbfs(&(0x7f0000000080), 0x4, 0x1) syz_open_dev$usbfs(&(0x7f00000000c0), 0x4, 0x2) syz_open_dev$usbfs(&(0x7f0000000100), 0x4, 0x800) syz_open_dev$usbfs(&(0x7f0000000140), 0xe, 0x0) syz_open_dev$usbfs(&(0x7f0000000180), 0xe, 0x1) syz_open_dev$usbfs(&(0x7f00000001c0), 0xe, 0x2) syz_open_dev$usbfs(&(0x7f0000000200), 0xe, 0x800) syz_open_dev$usbfs(&(0x7f0000000240), 0x18, 0x0) syz_open_dev$usbfs(&(0x7f0000000280), 0x18, 0x1) syz_open_dev$usbfs(&(0x7f00000002c0), 0x18, 0x2) syz_open_dev$usbfs(&(0x7f0000000300), 0x18, 0x800) syz_open_dev$usbfs(&(0x7f0000000340), 0x22, 0x0) syz_open_dev$usbfs(&(0x7f0000000380), 0x22, 0x1) syz_open_dev$usbfs(&(0x7f00000003c0), 0x22, 0x2) syz_open_dev$usbfs(&(0x7f0000000400), 0x22, 0x800) syz_open_dev$usbfs(&(0x7f0000000440), 0x2c, 0x0) syz_open_dev$usbfs(&(0x7f0000000480), 0x2c, 0x1) syz_open_dev$usbfs(&(0x7f00000004c0), 0x2c, 0x2) syz_open_dev$usbfs(&(0x7f0000000500), 0x2c, 0x800) 479.284246ms ago: executing program 3 (id=615): syz_open_dev$sndpcmc(&(0x7f0000000040), 0x2, 0x0) syz_open_dev$sndpcmc(&(0x7f0000000080), 0x2, 0x1) syz_open_dev$sndpcmc(&(0x7f00000000c0), 0x2, 0x2) syz_open_dev$sndpcmc(&(0x7f0000000100), 0x2, 0x800) syz_open_dev$sndpcmc(&(0x7f0000000140), 0xc, 0x0) syz_open_dev$sndpcmc(&(0x7f0000000180), 0xc, 0x1) syz_open_dev$sndpcmc(&(0x7f00000001c0), 0xc, 0x2) syz_open_dev$sndpcmc(&(0x7f0000000200), 0xc, 0x800) syz_open_dev$sndpcmc(&(0x7f0000000240), 0x16, 0x0) syz_open_dev$sndpcmc(&(0x7f0000000280), 0x16, 0x1) syz_open_dev$sndpcmc(&(0x7f00000002c0), 0x16, 0x2) syz_open_dev$sndpcmc(&(0x7f0000000300), 0x16, 0x800) syz_open_dev$sndpcmc(&(0x7f0000000340), 0x20, 0x0) syz_open_dev$sndpcmc(&(0x7f0000000380), 0x20, 0x1) syz_open_dev$sndpcmc(&(0x7f00000003c0), 0x20, 0x2) syz_open_dev$sndpcmc(&(0x7f0000000400), 0x20, 0x800) syz_open_dev$sndpcmc(&(0x7f0000000440), 0x2a, 0x0) syz_open_dev$sndpcmc(&(0x7f0000000480), 0x2a, 0x1) syz_open_dev$sndpcmc(&(0x7f00000004c0), 0x2a, 0x2) syz_open_dev$sndpcmc(&(0x7f0000000500), 0x2a, 0x800) 273.647928ms ago: executing program 1 (id=609): getcwd(&(0x7f0000000000), 0x0) 189.963031ms ago: executing program 4 (id=614): syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x0) syz_open_dev$sndmidi(&(0x7f0000000080), 0x2, 0x1) syz_open_dev$sndmidi(&(0x7f00000000c0), 0x2, 0x2) syz_open_dev$sndmidi(&(0x7f0000000100), 0x2, 0x800) syz_open_dev$sndmidi(&(0x7f0000000140), 0xc, 0x0) syz_open_dev$sndmidi(&(0x7f0000000180), 0xc, 0x1) syz_open_dev$sndmidi(&(0x7f00000001c0), 0xc, 0x2) syz_open_dev$sndmidi(&(0x7f0000000200), 0xc, 0x800) syz_open_dev$sndmidi(&(0x7f0000000240), 0x16, 0x0) syz_open_dev$sndmidi(&(0x7f0000000280), 0x16, 0x1) syz_open_dev$sndmidi(&(0x7f00000002c0), 0x16, 0x2) syz_open_dev$sndmidi(&(0x7f0000000300), 0x16, 0x800) syz_open_dev$sndmidi(&(0x7f0000000340), 0x20, 0x0) syz_open_dev$sndmidi(&(0x7f0000000380), 0x20, 0x1) syz_open_dev$sndmidi(&(0x7f00000003c0), 0x20, 0x2) syz_open_dev$sndmidi(&(0x7f0000000400), 0x20, 0x800) syz_open_dev$sndmidi(&(0x7f0000000440), 0x2a, 0x0) syz_open_dev$sndmidi(&(0x7f0000000480), 0x2a, 0x1) syz_open_dev$sndmidi(&(0x7f00000004c0), 0x2a, 0x2) syz_open_dev$sndmidi(&(0x7f0000000500), 0x2a, 0x800) 0s ago: executing program 2 (id=616): syz_open_dev$sndhw(&(0x7f0000000040), 0x4, 0x0) syz_open_dev$sndhw(&(0x7f0000000080), 0x4, 0x1) syz_open_dev$sndhw(&(0x7f00000000c0), 0x4, 0x2) syz_open_dev$sndhw(&(0x7f0000000100), 0x4, 0x800) syz_open_dev$sndhw(&(0x7f0000000140), 0xe, 0x0) syz_open_dev$sndhw(&(0x7f0000000180), 0xe, 0x1) syz_open_dev$sndhw(&(0x7f00000001c0), 0xe, 0x2) syz_open_dev$sndhw(&(0x7f0000000200), 0xe, 0x800) syz_open_dev$sndhw(&(0x7f0000000240), 0x18, 0x0) syz_open_dev$sndhw(&(0x7f0000000280), 0x18, 0x1) syz_open_dev$sndhw(&(0x7f00000002c0), 0x18, 0x2) syz_open_dev$sndhw(&(0x7f0000000300), 0x18, 0x800) syz_open_dev$sndhw(&(0x7f0000000340), 0x22, 0x0) syz_open_dev$sndhw(&(0x7f0000000380), 0x22, 0x1) syz_open_dev$sndhw(&(0x7f00000003c0), 0x22, 0x2) syz_open_dev$sndhw(&(0x7f0000000400), 0x22, 0x800) syz_open_dev$sndhw(&(0x7f0000000440), 0x2c, 0x0) syz_open_dev$sndhw(&(0x7f0000000480), 0x2c, 0x1) syz_open_dev$sndhw(&(0x7f00000004c0), 0x2c, 0x2) syz_open_dev$sndhw(&(0x7f0000000500), 0x2c, 0x800) kernel console output (not intermixed with test programs): Warning: Permanently added '10.128.1.187' (ED25519) to the list of known hosts. [ 51.385505][ T3535] cgroup: Unknown subsys name 'net' [ 51.484097][ T3535] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 52.793937][ T3535] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k FS [ 57.265915][ T4148] mmap: syz.4.591 (4148) uses deprecated remap_file_pages() syscall. See Documentation/mm/remap_file_pages.rst. [ 57.462792][ T4161] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 57.471225][ T4161] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 57.479279][ T4161] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 57.487428][ T4161] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 57.498379][ T4161] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 57.507005][ T4161] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 58.348041][ T32] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 58.356058][ T32] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 58.421631][ T150] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 58.442152][ T11] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 58.467252][ T11] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 58.510908][ T4154] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 59.286552][ T4188] chnl_net:caif_netlink_parms(): no params data found [ 59.600763][ T4188] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.631741][ T4188] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.665165][ T4188] device bridge_slave_0 entered promiscuous mode [ 59.689996][ T4188] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.697507][ T4188] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.707800][ T4188] device bridge_slave_1 entered promiscuous mode [ 59.760994][ T4188] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.779436][ T4188] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.812757][ T4188] team0: Port device team_slave_0 added [ 59.822540][ T4188] team0: Port device team_slave_1 added [ 59.851388][ T4188] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 59.859622][ 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. [ 59.885500][ C0] vkms_vblank_simulate: vblank timer overrun [ 59.894803][ T4188] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 59.909979][ T4188] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 59.917091][ 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. [ 59.945583][ T4188] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 59.991413][ T4188] device hsr_slave_0 entered promiscuous mode [ 60.000546][ T4188] device hsr_slave_1 entered promiscuous mode [ 60.146477][ T4188] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 60.160127][ T4188] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 60.173784][ T4188] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 60.184289][ T4188] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 60.209015][ T46] [ 60.211547][ T46] ============================= [ 60.216421][ T46] WARNING: suspicious RCU usage [ 60.217618][ T4188] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.221391][ T46] 6.1.95-syzkaller #0 Not tainted [ 60.228548][ T4188] bridge0: port 2(bridge_slave_1) entered forwarding state [ 60.233683][ T46] ----------------------------- [ 60.233692][ T46] net/netfilter/ipset/ip_set_core.c:1202 suspicious rcu_dereference_protected() usage! [ 60.242104][ T4188] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.245896][ T46] [ 60.245896][ T46] other info that might help us debug this: [ 60.245896][ T46] [ 60.245905][ T46] [ 60.245905][ T46] rcu_scheduler_active = 2, debug_locks = 1 [ 60.255831][ T4188] bridge0: port 1(bridge_slave_0) entered forwarding state [ 60.263043][ T46] 3 locks held by kworker/u4:3/46: [ 60.293998][ T46] #0: ffff888012616938 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0x7a9/0x11d0 [ 60.304429][ T46] #1: ffffc90000b77d20 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x7a9/0x11d0 [ 60.314460][ T46] #2: ffffffff8e28d9d0 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0xf1/0xb60 [ 60.324174][ T46] [ 60.324174][ T46] stack backtrace: [ 60.330663][ T46] CPU: 1 PID: 46 Comm: kworker/u4:3 Not tainted 6.1.95-syzkaller #0 [ 60.338661][ T46] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024 [ 60.348903][ T46] Workqueue: netns cleanup_net [ 60.353754][ T46] Call Trace: [ 60.357057][ T46] [ 60.359999][ T46] dump_stack_lvl+0x1e3/0x2cb [ 60.364703][ T46] ? nf_tcp_handle_invalid+0x642/0x642 [ 60.370194][ T46] ? panic+0x764/0x764 [ 60.374381][ T46] lockdep_rcu_suspicious+0x21c/0x330 [ 60.379871][ T46] _destroy_all_sets+0x22c/0x5e0 [ 60.384818][ T46] ip_set_net_exit+0x1c/0x50 [ 60.389406][ T46] cleanup_net+0x6ce/0xb60 [ 60.393825][ T46] ? ops_free_list+0x3b0/0x3b0 [ 60.398588][ T46] ? process_one_work+0x7a9/0x11d0 [ 60.403699][ T46] process_one_work+0x8a9/0x11d0 [ 60.408748][ T46] ? worker_detach_from_pool+0x260/0x260 [ 60.414468][ T46] ? _raw_spin_lock_irqsave+0x120/0x120 [ 60.420092][ T46] ? kthread_data+0x4e/0xc0 [ 60.424679][ T46] ? wq_worker_running+0x97/0x190 [ 60.429701][ T46] worker_thread+0xa47/0x1200 [ 60.434374][ T46] ? _raw_spin_unlock+0x40/0x40 [ 60.439231][ T46] kthread+0x28d/0x320 [ 60.443293][ T46] ? worker_clr_flags+0x190/0x190 [ 60.448654][ T46] ? kthread_blkcg+0xd0/0xd0 [ 60.453416][ T46] ret_from_fork+0x1f/0x30 SYZFAIL: failed to recv rpc fd=3 want=4 sent=0 n=0 (errno 9: Bad file descriptor) [ 60.457854][ T46]