syzbot

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BUG: KCSAN: data-race in binder_state_show / print_binder_node_nilocked

write to 0xffff8880a78384d4 of 4 bytes by task 10162 on cpu 0:
 binder_state_show+0xae/0x300 drivers/android/binder.c:5949
 seq_read+0x2ee/0x900 fs/seq_file.c:208
 full_proxy_read+0xaf/0x140 fs/debugfs/file.c:229
 do_loop_readv_writev fs/read_write.c:715 [inline]
 do_iter_read+0x3f5/0x480 fs/read_write.c:936
 vfs_readv fs/read_write.c:1054 [inline]
 do_preadv+0x13b/0x230 fs/read_write.c:1146
 __do_sys_preadv fs/read_write.c:1196 [inline]
 __se_sys_preadv fs/read_write.c:1191 [inline]
 __x64_sys_preadv+0x54/0x60 fs/read_write.c:1191
 do_syscall_64+0x71/0x120 arch/x86/entry/common.c:359
 entry_SYSCALL_64_after_hwframe+0x44/0xa9

read to 0xffff8880a78384d4 of 4 bytes by task 10151 on cpu 1:
 print_binder_node_nilocked+0x10a/0x2d0 drivers/android/binder.c:5678
 binder_state_show+0x163/0x300 drivers/android/binder.c:5954
 seq_read+0x2ee/0x900 fs/seq_file.c:208
 full_proxy_read+0xaf/0x140 fs/debugfs/file.c:229
 do_loop_readv_writev fs/read_write.c:715 [inline]
 do_iter_read+0x3f5/0x480 fs/read_write.c:936
 vfs_readv fs/read_write.c:1054 [inline]
 do_preadv+0x13b/0x230 fs/read_write.c:1146
 __do_sys_preadv fs/read_write.c:1196 [inline]
 __se_sys_preadv fs/read_write.c:1191 [inline]
 __x64_sys_preadv+0x54/0x60 fs/read_write.c:1191
 do_syscall_64+0x71/0x120 arch/x86/entry/common.c:359
 entry_SYSCALL_64_after_hwframe+0x44/0xa9

Reported by Kernel Concurrency Sanitizer on:
CPU: 1 PID: 10151 Comm: syz-executor.2 Not tainted 5.8.0-rc1-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
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