veth0_to_bridge: entered allmulticast mode ================================================================== BUG: KCSAN: data-race in data_push_tail / number write to 0xffffffff86ede8b1 of 1 bytes by task 22642 on cpu 0: number+0x7d0/0xa90 lib/vsprintf.c:564 vsnprintf+0xa44/0xe20 lib/vsprintf.c:2890 va_format lib/vsprintf.c:1683 [inline] pointer+0x8a1/0xd10 lib/vsprintf.c:2455 vsnprintf+0x861/0xe20 lib/vsprintf.c:2828 vscnprintf+0x42/0x80 lib/vsprintf.c:2930 printk_sprint+0x30/0x2d0 kernel/printk/printk.c:2124 vprintk_store+0x56f/0x800 kernel/printk/printk.c:2238 vprintk_emit+0xd0/0x5d0 kernel/printk/printk.c:2284 dev_vprintk_emit+0x1df/0x210 drivers/base/core.c:4850 dev_printk_emit+0x82/0xb0 drivers/base/core.c:4861 __dev_printk+0xf6/0x100 drivers/base/core.c:4873 _dev_warn+0x99/0xc0 drivers/base/core.c:4917 check_ctrlrecip+0x6d5/0x790 do_proc_control+0x7d/0x840 drivers/usb/core/devio.c:1177 proc_control drivers/usb/core/devio.c:1277 [inline] usbdev_do_ioctl drivers/usb/core/devio.c:2643 [inline] usbdev_ioctl+0x1bb9/0x3e00 drivers/usb/core/devio.c:2824 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:871 [inline] __se_sys_ioctl+0xcf/0x140 fs/ioctl.c:857 __x64_sys_ioctl+0x43/0x50 fs/ioctl.c:857 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0x44/0x110 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x63/0x6b read to 0xffffffff86ede8b0 of 8 bytes by task 22637 on cpu 1: data_make_reusable kernel/printk/printk_ringbuffer.c:590 [inline] data_push_tail+0x102/0x430 kernel/printk/printk_ringbuffer.c:675 data_alloc+0xbe/0x2c0 kernel/printk/printk_ringbuffer.c:1046 prb_reserve+0x893/0xbc0 kernel/printk/printk_ringbuffer.c:1555 vprintk_store+0x53e/0x800 kernel/printk/printk.c:2228 vprintk_emit+0xd0/0x5d0 kernel/printk/printk.c:2284 vprintk_default+0x26/0x30 kernel/printk/printk.c:2318 vprintk+0x71/0x80 kernel/printk/printk_safe.c:45 _printk+0x7a/0xa0 kernel/printk/printk.c:2328 __netdev_printk+0x2bf/0x3b0 net/core/dev.c:11447 netdev_info+0x99/0xc0 net/core/dev.c:11494 __dev_set_allmulti+0x18c/0x280 net/core/dev.c:8468 dev_set_allmulti+0x1f/0x30 net/core/dev.c:8494 macvlan_open+0x341/0x560 drivers/net/macvlan.c:651 __dev_open+0x281/0x3a0 net/core/dev.c:1447 dev_open+0x58/0x1a0 net/core/dev.c:1483 team_port_add drivers/net/team/team.c:1215 [inline] team_add_slave+0x66e/0x1600 drivers/net/team/team.c:1975 do_set_master net/core/rtnetlink.c:2710 [inline] rtnl_newlink_create net/core/rtnetlink.c:3538 [inline] __rtnl_newlink net/core/rtnetlink.c:3741 [inline] rtnl_newlink+0x1497/0x1670 net/core/rtnetlink.c:3754 rtnetlink_rcv_msg+0x807/0x8c0 net/core/rtnetlink.c:6558 netlink_rcv_skb+0x126/0x220 net/netlink/af_netlink.c:2545 rtnetlink_rcv+0x1c/0x20 net/core/rtnetlink.c:6576 netlink_unicast_kernel net/netlink/af_netlink.c:1342 [inline] netlink_unicast+0x589/0x650 net/netlink/af_netlink.c:1368 netlink_sendmsg+0x66e/0x770 net/netlink/af_netlink.c:1910 sock_sendmsg_nosec net/socket.c:730 [inline] __sock_sendmsg net/socket.c:745 [inline] ____sys_sendmsg+0x37c/0x4d0 net/socket.c:2584 ___sys_sendmsg net/socket.c:2638 [inline] __sys_sendmsg+0x1e9/0x270 net/socket.c:2667 __do_sys_sendmsg net/socket.c:2676 [inline] __se_sys_sendmsg net/socket.c:2674 [inline] __x64_sys_sendmsg+0x46/0x50 net/socket.c:2674 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0x44/0x110 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x63/0x6b value changed: 0x0000000100000863 -> 0x2820323436323220 Reported by Kernel Concurrency Sanitizer on: CPU: 1 PID: 22637 Comm: syz-executor.2 Not tainted 6.7.0-rc7-syzkaller-00041-gf016f7547aee #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 ================================================================== team0: Device macvtap58 failed to register rx_handler veth0_to_bridge: left allmulticast mode veth0_to_bridge: left promiscuous mode syz-executor.2 (22637) used greatest stack depth: 8584 bytes left