13 bridge0 1 0 3333ffaaaa0c 15 bond0 3 0 333300000001 15 bond0 3 0 01005e000001 IPVS: length: 226 != 219385096 ================================================================== BUG: KCSAN: data-race in page_counter_try_charge / page_counter_try_charge write to 0xffff88821b672150 of 8 bytes by task 16114 on cpu 0: page_counter_try_charge+0x7e/0x170 mm/page_counter.c:139 try_charge+0x185/0xbf0 mm/memcontrol.c:2405 mem_cgroup_try_charge+0xd2/0x260 mm/memcontrol.c:6367 __add_to_page_cache_locked+0x163/0x780 mm/filemap.c:844 add_to_page_cache_lru+0xc4/0x260 mm/filemap.c:921 ext4_mpage_readpages+0x339/0x14e0 fs/ext4/readpage.c:259 ext4_readpages+0x92/0xc0 fs/ext4/inode.c:3245 read_pages+0xa2/0x2d0 mm/readahead.c:126 __do_page_cache_readahead+0x353/0x390 mm/readahead.c:212 ra_submit mm/internal.h:62 [inline] ondemand_readahead+0x35d/0x710 mm/readahead.c:492 page_cache_async_readahead+0x22c/0x250 mm/readahead.c:574 generic_file_buffered_read mm/filemap.c:2037 [inline] generic_file_read_iter+0xffc/0x1440 mm/filemap.c:2302 ext4_file_read_iter fs/ext4/file.c:131 [inline] ext4_file_read_iter+0x10f/0x370 fs/ext4/file.c:114 call_read_iter include/linux/fs.h:1895 [inline] new_sync_read+0x389/0x4f0 fs/read_write.c:414 __vfs_read+0xb1/0xc0 fs/read_write.c:427 integrity_kernel_read+0xa1/0xe0 security/integrity/iint.c:200 ima_calc_file_hash_tfm+0x1b5/0x270 security/integrity/ima/ima_crypto.c:360 ima_calc_file_shash security/integrity/ima/ima_crypto.c:391 [inline] ima_calc_file_hash+0x158/0xf30 security/integrity/ima/ima_crypto.c:456 ima_collect_measurement+0x3b1/0x3e0 security/integrity/ima/ima_api.c:249 process_measurement+0x9e6/0x1190 security/integrity/ima/ima_main.c:326 ima_file_check+0x7e/0xb0 security/integrity/ima/ima_main.c:442 do_last fs/namei.c:3494 [inline] path_openat+0xe6e/0x3150 fs/namei.c:3607 do_filp_open+0x11e/0x1b0 fs/namei.c:3637 do_sys_openat2+0x4f5/0x620 fs/open.c:1149 do_sys_open+0xa3/0x110 fs/open.c:1165 ksys_open include/linux/syscalls.h:1386 [inline] __do_sys_open fs/open.c:1171 [inline] __se_sys_open fs/open.c:1169 [inline] __x64_sys_open+0x55/0x70 fs/open.c:1169 do_syscall_64+0xcc/0x3a0 arch/x86/entry/common.c:294 entry_SYSCALL_64_after_hwframe+0x44/0xa9 read to 0xffff88821b672150 of 8 bytes by task 16113 on cpu 1: page_counter_try_charge+0x58/0x170 mm/page_counter.c:138 try_charge+0x185/0xbf0 mm/memcontrol.c:2405 __memcg_kmem_charge_memcg+0x4a/0xe0 mm/memcontrol.c:2837 memcg_kmem_charge_memcg include/linux/memcontrol.h:1409 [inline] memcg_charge_slab mm/slab.h:368 [inline] charge_slab_page mm/slab.h:489 [inline] kmem_getpages mm/slab.c:1373 [inline] cache_grow_begin+0x3bb/0x5c0 mm/slab.c:2600 cache_alloc_refill mm/slab.c:2972 [inline] ____cache_alloc mm/slab.c:3055 [inline] ____cache_alloc mm/slab.c:3038 [inline] __do_cache_alloc mm/slab.c:3277 [inline] slab_alloc mm/slab.c:3312 [inline] kmem_cache_alloc+0x500/0x5d0 mm/slab.c:3488 proc_reg_open+0xe6/0x2c0 fs/proc/inode.c:356 do_dentry_open+0x301/0x970 fs/open.c:797 vfs_open+0x62/0x80 fs/open.c:914 do_last fs/namei.c:3490 [inline] path_openat+0xe32/0x3150 fs/namei.c:3607 do_filp_open+0x11e/0x1b0 fs/namei.c:3637 do_sys_openat2+0x4f5/0x620 fs/open.c:1149 do_sys_open+0xa3/0x110 fs/open.c:1165 ksys_open include/linux/syscalls.h:1386 [inline] __do_sys_open fs/open.c:1171 [inline] __se_sys_open fs/open.c:1169 [inline] __x64_sys_open+0x55/0x70 fs/open.c:1169 do_syscall_64+0xcc/0x3a0 arch/x86/entry/common.c:294 entry_SYSCALL_64_after_hwframe+0x44/0xa9 Reported by Kernel Concurrency Sanitizer on: CPU: 1 PID: 16113 Comm: syz-executor.3 Not tainted 5.6.0-rc1-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ==================================================================