================================================================== BUG: KCSAN: data-race in folio_mapping / page_cache_delete write to 0xffffea00049fd818 of 8 bytes by task 16215 on cpu 0: page_cache_delete+0x33e/0x390 mm/filemap.c:143 __filemap_remove_folio+0x3b/0xf0 mm/filemap.c:223 invalidate_complete_folio2 mm/truncate.c:594 [inline] invalidate_inode_pages2_range+0x450/0x670 mm/truncate.c:682 __iomap_dio_rw+0x6a6/0x1000 fs/iomap/direct-io.c:583 iomap_dio_rw+0x3c/0x80 fs/iomap/direct-io.c:690 ext4_dio_write_iter fs/ext4/file.c:581 [inline] ext4_file_write_iter+0xa55/0x1220 fs/ext4/file.c:692 do_iter_write+0x494/0x750 fs/read_write.c:861 vfs_iter_write+0x4c/0x70 fs/read_write.c:902 iter_file_splice_write+0x44a/0x7c0 fs/splice.c:686 do_splice_from fs/splice.c:764 [inline] direct_splice_actor+0x80/0xa0 fs/splice.c:931 splice_direct_to_actor+0x305/0x620 fs/splice.c:886 do_splice_direct+0xfb/0x180 fs/splice.c:974 do_sendfile+0x3bf/0x910 fs/read_write.c:1255 __do_sys_sendfile64 fs/read_write.c:1323 [inline] __se_sys_sendfile64 fs/read_write.c:1309 [inline] __x64_sys_sendfile64+0x10c/0x150 fs/read_write.c:1309 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 0xffffea00049fd818 of 8 bytes by task 16203 on cpu 1: folio_mapping+0x8e/0x110 mm/util.c:810 folio_evictable mm/internal.h:136 [inline] lru_add_fn+0x12e/0x520 mm/swap.c:210 folio_batch_move_lru+0x1e1/0x2a0 mm/swap.c:246 lru_add_drain_cpu+0x73/0x250 mm/swap.c:626 lru_add_drain+0x21/0x60 mm/swap.c:730 __pagevec_release+0x3a/0x70 mm/swap.c:1029 pagevec_release include/linux/pagevec.h:71 [inline] folio_batch_release include/linux/pagevec.h:135 [inline] invalidate_inode_pages2_range+0x5cf/0x670 mm/truncate.c:690 __iomap_dio_rw+0x6a6/0x1000 fs/iomap/direct-io.c:583 iomap_dio_rw+0x3c/0x80 fs/iomap/direct-io.c:690 ext4_dio_write_iter fs/ext4/file.c:581 [inline] ext4_file_write_iter+0xa55/0x1220 fs/ext4/file.c:692 do_iter_write+0x494/0x750 fs/read_write.c:861 vfs_iter_write+0x4c/0x70 fs/read_write.c:902 iter_file_splice_write+0x44a/0x7c0 fs/splice.c:686 do_splice_from fs/splice.c:764 [inline] direct_splice_actor+0x80/0xa0 fs/splice.c:931 splice_direct_to_actor+0x305/0x620 fs/splice.c:886 do_splice_direct+0xfb/0x180 fs/splice.c:974 do_sendfile+0x3bf/0x910 fs/read_write.c:1255 __do_sys_sendfile64 fs/read_write.c:1323 [inline] __se_sys_sendfile64 fs/read_write.c:1309 [inline] __x64_sys_sendfile64+0x10c/0x150 fs/read_write.c:1309 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: 0xffff88810afd14a0 -> 0x0000000000000000 Reported by Kernel Concurrency Sanitizer on: CPU: 1 PID: 16203 Comm: syz-executor.2 Not tainted 6.0.0-syzkaller-03015-g2bca25eaeba6-dirty #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 ==================================================================