IPVS: ftp: loaded support on port[0] = 21 ================================================================== BUG: KMSAN: uninit-value in batadv_interface_tx+0x772/0x1e40 net/batman-adv/soft-interface.c:226 CPU: 1 PID: 10757 Comm: syz-executor.0 Not tainted 5.0.0-rc1+ #9 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x173/0x1d0 lib/dump_stack.c:113 kmsan_report+0x12e/0x2a0 mm/kmsan/kmsan.c:600 __msan_warning+0x82/0xf0 mm/kmsan/kmsan_instr.c:313 batadv_interface_tx+0x772/0x1e40 net/batman-adv/soft-interface.c:226 __netdev_start_xmit include/linux/netdevice.h:4382 [inline] netdev_start_xmit include/linux/netdevice.h:4391 [inline] dev_direct_xmit+0x8a3/0xbb0 net/core/dev.c:3930 packet_direct_xmit+0x256/0x3e0 net/packet/af_packet.c:246 packet_snd net/packet/af_packet.c:2932 [inline] packet_sendmsg+0x79bb/0x9760 net/packet/af_packet.c:2957 chnl_net:caif_netlink_parms(): no params data found sock_sendmsg_nosec net/socket.c:621 [inline] sock_sendmsg net/socket.c:631 [inline] sock_write_iter+0x3f4/0x4d0 net/socket.c:900 call_write_iter include/linux/fs.h:1862 [inline] aio_write+0x7cd/0xa60 fs/aio.c:1581 __io_submit_one fs/aio.c:1860 [inline] io_submit_one+0x17de/0x3f90 fs/aio.c:1908 bridge0: port 1(bridge_slave_0) entered blocking state __do_sys_io_submit fs/aio.c:1953 [inline] __se_sys_io_submit+0x2aa/0x660 fs/aio.c:1923 bridge0: port 1(bridge_slave_0) entered disabled state __x64_sys_io_submit+0x4a/0x70 fs/aio.c:1923 device bridge_slave_0 entered promiscuous mode do_syscall_64+0xbc/0xf0 arch/x86/entry/common.c:291 entry_SYSCALL_64_after_hwframe+0x63/0xe7 bridge0: port 2(bridge_slave_1) entered blocking state RIP: 0033:0x457e29 Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f011ef05c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000d1 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000457e29 RDX: 0000000020000080 RSI: 0000000000000001 RDI: 00007f011eee5000 RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f011ef066d4 R13: 00000000004bf02f R14: 00000000004d09b0 R15: 00000000ffffffff bridge0: port 2(bridge_slave_1) entered disabled state Uninit was created at: kmsan_save_stack_with_flags mm/kmsan/kmsan.c:205 [inline] kmsan_internal_poison_shadow+0x92/0x150 mm/kmsan/kmsan.c:159 kmsan_kmalloc+0xa6/0x130 mm/kmsan/kmsan_hooks.c:176 kmem_cache_alloc+0x585/0xb60 mm/slub.c:2772 mempool_alloc_slab+0x66/0xc0 mm/mempool.c:505 mempool_init_node+0x50b/0xa40 mm/mempool.c:202 mempool_init+0x102/0x120 mm/mempool.c:229 mempool_init_slab_pool include/linux/mempool.h:62 [inline] biovec_init_pool block/bio.c:1888 [inline] bioset_init+0xbe2/0xd90 block/bio.c:1955 blk_alloc_queue_node+0x28c/0xdb0 block/blk-core.c:487 blk_mq_init_queue+0x6f/0x1a0 block/blk-mq.c:2623 nbd_dev_add+0x664/0xe20 drivers/block/nbd.c:1580 nbd_init+0x3dc/0x4ed drivers/block/nbd.c:2234 do_one_initcall+0x557/0x9a0 init/main.c:891 device bridge_slave_1 entered promiscuous mode do_initcall_level+0x403/0x4be init/main.c:959 do_initcalls init/main.c:967 [inline] do_basic_setup+0x5a/0x6b init/main.c:985 bond0: Enslaving bond_slave_0 as an active interface with an up link kernel_init_freeable+0x24e/0x4af init/main.c:1138 kernel_init+0x1f/0xb20 init/main.c:1058 ret_from_fork+0x35/0x40 arch/x86/entry/entry_64.S:355 ==================================================================