netlink: 44 bytes leftover after parsing attributes in process `syz-executor.1'.
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BUG: KCSAN: data-race in open_wait / sg_open

read-write to 0xffff888101b45ba8 of 4 bytes by task 16025 on cpu 1:
 sg_open+0x37c/0x4b0 drivers/scsi/sg.c:357
 chrdev_open+0x362/0x3d0 fs/char_dev.c:414
 do_dentry_open+0x51a/0x8b0 fs/open.c:880
 vfs_open+0x43/0x50 fs/open.c:1016
 do_open fs/namei.c:3557 [inline]
 path_openat+0x169d/0x1b00 fs/namei.c:3691
 do_filp_open+0x105/0x220 fs/namei.c:3718
 do_sys_openat2+0xb5/0x2a0 fs/open.c:1313
 do_sys_open fs/open.c:1329 [inline]
 __do_sys_openat fs/open.c:1345 [inline]
 __se_sys_openat fs/open.c:1340 [inline]
 __x64_sys_openat+0xef/0x110 fs/open.c:1340
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x2b/0x70 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd

read to 0xffff888101b45ba8 of 4 bytes by task 16042 on cpu 0:
 open_wait+0x348/0x410 drivers/scsi/sg.c:253
 sg_open+0x200/0x4b0 drivers/scsi/sg.c:336
 chrdev_open+0x362/0x3d0 fs/char_dev.c:414
 do_dentry_open+0x51a/0x8b0 fs/open.c:880
 vfs_open+0x43/0x50 fs/open.c:1016
 do_open fs/namei.c:3557 [inline]
 path_openat+0x169d/0x1b00 fs/namei.c:3691
 do_filp_open+0x105/0x220 fs/namei.c:3718
 do_sys_openat2+0xb5/0x2a0 fs/open.c:1313
 do_sys_open fs/open.c:1329 [inline]
 __do_sys_openat fs/open.c:1345 [inline]
 __se_sys_openat fs/open.c:1340 [inline]
 __x64_sys_openat+0xef/0x110 fs/open.c:1340
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x2b/0x70 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd

value changed: 0x00000000 -> 0x00000001

Reported by Kernel Concurrency Sanitizer on:
CPU: 0 PID: 16042 Comm: syz-executor.1 Not tainted 6.0.0-rc7-syzkaller-00250-ga962b54e162c-dirty #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022
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