platform regulatory.0: Direct firmware load for regulatory.db failed with error -2 ================================================================== BUG: KCSAN: data-race in data_push_tail / string write to 0xffffffff88bb79c8 of 1 bytes by task 9326 on cpu 1: string_nocheck lib/vsprintf.c:650 [inline] string+0x16c/0x210 lib/vsprintf.c:728 vsnprintf+0xa09/0xe30 lib/vsprintf.c:2803 vscnprintf+0x42/0x90 lib/vsprintf.c:2909 printk_sprint+0x30/0x2d0 kernel/printk/printk.c:2197 vprintk_store+0x570/0x810 kernel/printk/printk.c:2311 vprintk_emit+0x15e/0x680 kernel/printk/printk.c:2383 dev_vprintk_emit+0x1df/0x210 drivers/base/core.c:4910 dev_printk_emit+0x82/0xb0 drivers/base/core.c:4921 __netdev_printk+0x352/0x3e0 net/core/dev.c:11813 netdev_info+0x99/0xc0 net/core/dev.c:11868 dev_change_name+0x5a5/0x610 net/core/dev.c:1243 do_setlink+0x670/0x2490 net/core/rtnetlink.c:2880 __rtnl_newlink net/core/rtnetlink.c:3696 [inline] rtnl_newlink+0x11a3/0x1690 net/core/rtnetlink.c:3743 rtnetlink_rcv_msg+0x6aa/0x710 net/core/rtnetlink.c:6646 netlink_rcv_skb+0x12c/0x230 net/netlink/af_netlink.c:2550 rtnetlink_rcv+0x1c/0x30 net/core/rtnetlink.c:6664 netlink_unicast_kernel net/netlink/af_netlink.c:1331 [inline] netlink_unicast+0x599/0x670 net/netlink/af_netlink.c:1357 netlink_sendmsg+0x5cc/0x6e0 net/netlink/af_netlink.c:1901 sock_sendmsg_nosec net/socket.c:729 [inline] __sock_sendmsg+0x140/0x180 net/socket.c:744 __sys_sendto+0x1d6/0x260 net/socket.c:2209 __do_sys_sendto net/socket.c:2221 [inline] __se_sys_sendto net/socket.c:2217 [inline] __x64_sys_sendto+0x78/0x90 net/socket.c:2217 x64_sys_call+0x2959/0x2d60 arch/x86/include/generated/asm/syscalls_64.h:45 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xc9/0x1c0 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f read to 0xffffffff88bb79c8 of 8 bytes by task 9512 on cpu 0: data_make_reusable kernel/printk/printk_ringbuffer.c:594 [inline] data_push_tail+0x102/0x430 kernel/printk/printk_ringbuffer.c:679 data_alloc+0xbe/0x2c0 kernel/printk/printk_ringbuffer.c:1054 prb_reserve+0x85e/0xb60 kernel/printk/printk_ringbuffer.c:1669 vprintk_store+0x53f/0x810 kernel/printk/printk.c:2301 vprintk_emit+0x15e/0x680 kernel/printk/printk.c:2383 dev_vprintk_emit+0x1df/0x210 drivers/base/core.c:4910 dev_printk_emit+0x82/0xb0 drivers/base/core.c:4921 __dev_printk+0xf6/0x110 drivers/base/core.c:4933 _dev_warn+0x99/0xc0 drivers/base/core.c:4977 _request_firmware+0x9ae/0x9c0 drivers/base/firmware_loader/main.c:938 request_firmware+0x36/0x50 drivers/base/firmware_loader/main.c:993 reg_reload_regdb+0x58/0x240 net/wireless/reg.c:1079 nl80211_reload_regdb+0xe/0x20 net/wireless/nl80211.c:8279 genl_family_rcv_msg_doit net/netlink/genetlink.c:1115 [inline] genl_family_rcv_msg net/netlink/genetlink.c:1195 [inline] genl_rcv_msg+0x61b/0x6c0 net/netlink/genetlink.c:1210 netlink_rcv_skb+0x12c/0x230 net/netlink/af_netlink.c:2550 genl_rcv+0x28/0x40 net/netlink/genetlink.c:1219 netlink_unicast_kernel net/netlink/af_netlink.c:1331 [inline] netlink_unicast+0x599/0x670 net/netlink/af_netlink.c:1357 netlink_sendmsg+0x5cc/0x6e0 net/netlink/af_netlink.c:1901 sock_sendmsg_nosec net/socket.c:729 [inline] __sock_sendmsg+0x140/0x180 net/socket.c:744 ____sys_sendmsg+0x312/0x410 net/socket.c:2602 ___sys_sendmsg net/socket.c:2656 [inline] __sys_sendmsg+0x1d9/0x270 net/socket.c:2685 __do_sys_sendmsg net/socket.c:2694 [inline] __se_sys_sendmsg net/socket.c:2692 [inline] __x64_sys_sendmsg+0x46/0x50 net/socket.c:2692 x64_sys_call+0x2689/0x2d60 arch/x86/include/generated/asm/syscalls_64.h:47 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xc9/0x1c0 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f value changed: 0x00000000ffffe97f -> 0x74656e20346d6973 Reported by Kernel Concurrency Sanitizer on: CPU: 0 UID: 0 PID: 9512 Comm: syz.2.1272 Not tainted 6.12.0-rc2-syzkaller-00058-g75b607fab38d #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 ================================================================== syz.2.1272 (9512) used greatest stack depth: 9800 bytes left