syzbot

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BUG: KCSAN: data-race in aio_read_events / iocb_put

write to 0xffff888118071008 of 4 bytes by task 31018 on cpu 0:
 aio_read_events_ring fs/aio.c:1268 [inline]
 aio_read_events+0x37d/0x4f0 fs/aio.c:1282
 read_events fs/aio.c:1319 [inline]
 do_io_getevents+0x116/0x390 fs/aio.c:2202
 __do_sys_io_getevents fs/aio.c:2235 [inline]
 __se_sys_io_getevents fs/aio.c:2223 [inline]
 __x64_sys_io_getevents+0xc6/0x180 fs/aio.c:2223
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x44/0xd0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x44/0xae

read to 0xffff888118071008 of 4 bytes by task 31019 on cpu 1:
 aio_complete fs/aio.c:1155 [inline]
 iocb_put+0x1f3/0x650 fs/aio.c:1190
 io_submit_one+0xb4d/0x1410 fs/aio.c:2027
 __do_sys_io_submit fs/aio.c:2083 [inline]
 __se_sys_io_submit+0x105/0x280 fs/aio.c:2053
 __x64_sys_io_submit+0x3f/0x50 fs/aio.c:2053
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x44/0xd0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x44/0xae

value changed: 0x00000058 -> 0x0000005f

Reported by Kernel Concurrency Sanitizer on:
CPU: 1 PID: 31019 Comm: syz-executor.3 Not tainted 5.17.0-rc8-syzkaller-00045-g551acdc3c3d2-dirty #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
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