netlink: 28 bytes leftover after parsing attributes in process `syz.3.628'.
netlink: 8 bytes leftover after parsing attributes in process `syz.3.628'.
platform regulatory.0: Direct firmware load for regulatory.db failed with error -2
==================================================================
BUG: KCSAN: data-race in console_flush_all / console_flush_all

write to 0xffffffff86819f98 of 8 bytes by task 6282 on cpu 1:
 console_emit_next_record kernel/printk/printk.c:3083 [inline]
 console_flush_all+0x3b5/0x790 kernel/printk/printk.c:3210
 __console_flush_and_unlock kernel/printk/printk.c:3269 [inline]
 console_unlock+0xb6/0x340 kernel/printk/printk.c:3309
 vprintk_emit+0x408/0x690 kernel/printk/printk.c:2432
 vprintk_default+0x26/0x30 kernel/printk/printk.c:2447
 vprintk+0x1d/0x30 kernel/printk/printk_safe.c:82
 _printk+0x7a/0xa0 kernel/printk/printk.c:2457
 isofs_fill_super+0x1295/0x12b0 fs/isofs/inode.c:661
 get_tree_bdev_flags+0x29f/0x310 fs/super.c:1636
 get_tree_bdev+0x1f/0x30 fs/super.c:1659
 isofs_get_tree+0x1c/0x30 fs/isofs/inode.c:1523
 vfs_get_tree+0x56/0x1e0 fs/super.c:1814
 do_new_mount+0x227/0x690 fs/namespace.c:3560
 path_mount+0x49b/0xb30 fs/namespace.c:3887
 do_mount fs/namespace.c:3900 [inline]
 __do_sys_mount fs/namespace.c:4111 [inline]
 __se_sys_mount+0x27f/0x2d0 fs/namespace.c:4088
 __x64_sys_mount+0x67/0x80 fs/namespace.c:4088
 x64_sys_call+0x2c84/0x2dc0 arch/x86/include/generated/asm/syscalls_64.h:166
 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 0xffffffff86819f98 of 8 bytes by task 6280 on cpu 0:
 console_flush_all+0x5a1/0x790 kernel/printk/printk.c:3211
 __console_flush_and_unlock kernel/printk/printk.c:3269 [inline]
 console_unlock+0xb6/0x340 kernel/printk/printk.c:3309
 vprintk_emit+0x408/0x690 kernel/printk/printk.c:2432
 dev_vprintk_emit+0x23c/0x2a0 drivers/base/core.c:4890
 dev_printk_emit+0x82/0xb0 drivers/base/core.c:4901
 __dev_printk+0xf6/0x110 drivers/base/core.c:4913
 _dev_warn+0x99/0xc0 drivers/base/core.c:4957
 _request_firmware+0x9f2/0xa00 drivers/base/firmware_loader/main.c:937
 request_firmware+0x36/0x50 drivers/base/firmware_loader/main.c:992
 reg_reload_regdb+0x58/0x240 net/wireless/reg.c:1079
 nl80211_reload_regdb+0xe/0x20 net/wireless/nl80211.c:8289
 genl_family_rcv_msg_doit net/netlink/genetlink.c:1115 [inline]
 genl_family_rcv_msg net/netlink/genetlink.c:1195 [inline]
 genl_rcv_msg+0x620/0x6d0 net/netlink/genetlink.c:1210
 netlink_rcv_skb+0x12c/0x230 net/netlink/af_netlink.c:2543
 genl_rcv+0x28/0x40 net/netlink/genetlink.c:1219
 netlink_unicast_kernel net/netlink/af_netlink.c:1322 [inline]
 netlink_unicast+0x599/0x670 net/netlink/af_netlink.c:1348
 netlink_sendmsg+0x5cc/0x6e0 net/netlink/af_netlink.c:1892
 sock_sendmsg_nosec net/socket.c:718 [inline]
 __sock_sendmsg+0x140/0x180 net/socket.c:733
 ____sys_sendmsg+0x326/0x4b0 net/socket.c:2573
 ___sys_sendmsg net/socket.c:2627 [inline]
 __sys_sendmsg+0x19d/0x230 net/socket.c:2659
 __do_sys_sendmsg net/socket.c:2664 [inline]
 __se_sys_sendmsg net/socket.c:2662 [inline]
 __x64_sys_sendmsg+0x46/0x50 net/socket.c:2662
 x64_sys_call+0x2734/0x2dc0 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: 0x0000000000001017 -> 0x0000000000001018

Reported by Kernel Concurrency Sanitizer on:
CPU: 0 UID: 0 PID: 6280 Comm: syz.3.628 Not tainted 6.14.0-rc3-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
==================================================================