loop5: detected capacity change from 0 to 1
loop5: p1 p2 p3 p4
loop5: p1 start 10 is beyond EOD, truncated
loop5: p2 size 1073872896 extends beyond EOD, truncated
loop5: p3 start 225 is beyond EOD, truncated
loop5: p4 start 2415919104 is beyond EOD, truncated
==================================================================
BUG: KCSAN: data-race in setattr_copy / vfs_getattr_nosec
write to 0xffff888152475d90 of 2 bytes by task 19 on cpu 1:
setattr_copy+0x1af/0x1c0 fs/attr.c:247
shmem_setattr+0xb0/0x450 mm/shmem.c:1118
notify_change+0x8a3/0xa80 fs/attr.c:398
handle_remove drivers/base/devtmpfs.c:333 [inline]
handle drivers/base/devtmpfs.c:382 [inline]
devtmpfs_work_loop+0x783/0x8d0 drivers/base/devtmpfs.c:395
devtmpfsd+0x3f/0x40 drivers/base/devtmpfs.c:437
kthread+0x262/0x280 kernel/kthread.c:319
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
read to 0xffff888152475d90 of 2 bytes by task 13012 on cpu 0:
generic_fillattr fs/stat.c:48 [inline]
vfs_getattr_nosec+0x1a5/0x2f0 fs/stat.c:108
vfs_getattr fs/stat.c:142 [inline]
vfs_statx+0x128/0x290 fs/stat.c:207
vfs_fstatat fs/stat.c:225 [inline]
vfs_stat include/linux/fs.h:3382 [inline]
__do_sys_newstat fs/stat.c:367 [inline]
__se_sys_newstat+0x46/0x250 fs/stat.c:363
__x64_sys_newstat+0x2d/0x40 fs/stat.c:363
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x3d/0x90 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x44/0xae
value changed: 0x6180 -> 0x6000
Reported by Kernel Concurrency Sanitizer on:
CPU: 0 PID: 13012 Comm: syz-executor.5 Tainted: G W 5.14.0-rc7-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
==================================================================
loop5: detected capacity change from 0 to 1
loop5: p1 p2 p3 p4
loop5: p1 start 10 is beyond EOD, truncated
loop5: p2 size 1073872896 extends beyond EOD, truncated
loop5: p3 start 225 is beyond EOD, truncated
loop5: p4 start 2415919104 is beyond EOD, truncated