Alternate GPT is invalid, using primary GPT. loop1: p2 p3 p7 Alternate GPT is invalid, using primary GPT. loop0: p2 p3 p7 ================================================================== BUG: KCSAN: data-race in __lru_add_drain_all / folio_batch_move_lru write to 0xffff888237d29988 of 1 bytes by task 6291 on cpu 1: folio_batch_reinit include/linux/pagevec.h:48 [inline] folio_batch_move_lru+0x2bf/0x2f0 mm/swap.c:225 lru_add_drain_cpu+0x77/0x270 mm/swap.c:652 lru_add_drain mm/swap.c:752 [inline] __folio_batch_release+0x5f/0xe0 mm/swap.c:1059 folio_batch_release include/linux/pagevec.h:83 [inline] mpage_prepare_extent_to_map+0xaec/0xb70 fs/ext4/inode.c:2511 ext4_do_writepages+0x6ea/0x2100 fs/ext4/inode.c:2638 ext4_writepages+0x15e/0x2e0 fs/ext4/inode.c:2774 do_writepages+0x1c2/0x340 mm/page-writeback.c:2553 filemap_fdatawrite_wbc+0xdb/0xf0 mm/filemap.c:387 __filemap_fdatawrite_range mm/filemap.c:420 [inline] filemap_write_and_wait_range+0xe0/0x210 mm/filemap.c:675 kiocb_write_and_wait+0x79/0x110 mm/filemap.c:2688 __iomap_dio_rw+0x4fe/0x1090 fs/iomap/direct-io.c:592 iomap_dio_rw+0x40/0x90 fs/iomap/direct-io.c:748 ext4_dio_read_iter fs/ext4/file.c:94 [inline] ext4_file_read_iter+0x21c/0x2a0 fs/ext4/file.c:145 call_read_iter include/linux/fs.h:2014 [inline] copy_splice_read+0x26b/0x4b0 fs/splice.c:364 vfs_splice_read fs/splice.c:992 [inline] splice_direct_to_actor+0x2aa/0x690 fs/splice.c:1069 do_splice_direct+0x10d/0x190 fs/splice.c:1194 do_sendfile+0x3c4/0x980 fs/read_write.c:1254 __do_sys_sendfile64 fs/read_write.c:1322 [inline] __se_sys_sendfile64 fs/read_write.c:1308 [inline] __x64_sys_sendfile64+0x110/0x150 fs/read_write.c:1308 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0x44/0x110 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x63/0x6b read to 0xffff888237d29988 of 1 bytes by task 2781 on cpu 0: folio_batch_count include/linux/pagevec.h:53 [inline] cpu_needs_drain mm/swap.c:795 [inline] __lru_add_drain_all+0x137/0x420 mm/swap.c:889 lru_add_drain_all+0x10/0x20 mm/swap.c:905 invalidate_bdev+0x54/0x70 block/bdev.c:86 bdev_disk_changed+0x118/0xc70 block/partitions/core.c:664 blkdev_get_whole+0x227/0x240 block/bdev.c:655 blkdev_get_by_dev+0x236/0x390 block/bdev.c:797 bdev_open_by_dev+0x56/0xd0 block/bdev.c:842 disk_scan_partitions+0x13b/0x1a0 block/genhd.c:369 blkdev_common_ioctl+0xd59/0x1680 block/ioctl.c:558 blkdev_ioctl+0x318/0x460 block/ioctl.c:627 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:871 [inline] __se_sys_ioctl+0xcf/0x140 fs/ioctl.c:857 __x64_sys_ioctl+0x43/0x50 fs/ioctl.c:857 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0x44/0x110 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x63/0x6b value changed: 0x01 -> 0x00 Reported by Kernel Concurrency Sanitizer on: CPU: 0 PID: 2781 Comm: udevd Not tainted 6.7.0-rc8-syzkaller-00177-g52b1853b080a #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 ================================================================== Alternate GPT is invalid, using primary GPT. loop2: p2 p3 p7 Alternate GPT is invalid, using primary GPT. loop3: p2 p3 p7 Alternate GPT is invalid, using primary GPT. loop3: p2 p3 p7 Alternate GPT is invalid, using primary GPT. loop3: p2 p3 p7 Alternate GPT is invalid, using primary GPT. loop5: p2 p3 p7 Alternate GPT is invalid, using primary GPT. loop2: p2 p3 p7 Alternate GPT is invalid, using primary GPT. loop3: p2 p3 p7 Alternate GPT is invalid, using primary GPT. loop5: p2 p3 p7 Alternate GPT is invalid, using primary GPT. loop3: p2 p3 p7 Alternate GPT is invalid, using primary GPT. loop3: p2 p3 p7 Alternate GPT is invalid, using primary GPT. loop5: p2 p3 p7 Alternate GPT is invalid, using primary GPT. loop3: p2 p3 p7 Alternate GPT is invalid, using primary GPT. loop5: p2 p3 p7 Alternate GPT is invalid, using primary GPT. loop5: p2 p3 p7 Alternate GPT is invalid, using primary GPT. loop1: p2 p3 p7 Alternate GPT is invalid, using primary GPT. loop3: p2 p3 p7 Alternate GPT is invalid, using primary GPT. loop3: p2 p3 p7 Alternate GPT is invalid, using primary GPT. loop2: p2 p3 p7 Alternate GPT is invalid, using primary GPT. loop5: p2 p3 p7 Alternate GPT is invalid, using primary GPT. loop2: p2 p3 p7 Alternate GPT is invalid, using primary GPT. loop5: p2 p3 p7 Alternate GPT is invalid, using primary GPT. loop3: p2 p3 p7 Alternate GPT is invalid, using primary GPT. loop1: p2 p3 p7 Alternate GPT is invalid, using primary GPT. loop3: p2 p3 p7 Alternate GPT is invalid, using primary GPT. loop2: p2 p3 p7 Alternate GPT is invalid, using primary GPT. loop2: p2 p3 p7 Alternate GPT is invalid, using primary GPT. loop5: p2 p3 p7 Alternate GPT is invalid, using primary GPT. loop2: p2 p3 p7 Alternate GPT is invalid, using primary GPT. loop5: p2 p3 p7 Alternate GPT is invalid, using primary GPT. loop3: p2 p3 p7 Alternate GPT is invalid, using primary GPT. loop2: p2 p3 p7 Alternate GPT is invalid, using primary GPT. loop1: p2 p3 p7 Alternate GPT is invalid, using primary GPT. loop3: p2 p3 p7 Alternate GPT is invalid, using primary GPT. loop2: p2 p3 p7 Alternate GPT is invalid, using primary GPT. loop5: p2 p3 p7 Alternate GPT is invalid, using primary GPT. loop2: p2 p3 p7 Alternate GPT is invalid, using primary GPT. loop2: p2 p3 p7 Alternate GPT is invalid, using primary GPT. loop1: p2 p3 p7 Alternate GPT is invalid, using primary GPT. loop2: p2 p3 p7 Alternate GPT is invalid, using primary GPT. loop1: p2 p3 p7 Alternate GPT is invalid, using primary GPT. loop2: p2 p3 p7 Alternate GPT is invalid, using primary GPT. loop5: p2 p3 p7 Alternate GPT is invalid, using primary GPT. loop2: p2 p3 p7 Alternate GPT is invalid, using primary GPT. loop5: p2 p3 p7 Alternate GPT is invalid, using primary GPT. loop0: p2 p3 p7 Alternate GPT is invalid, using primary GPT. loop3: p2 p3 p7 Alternate GPT is invalid, using primary GPT. loop2: p2 p3 p7 Alternate GPT is invalid, using primary GPT. loop1: p2 p3 p7 Alternate GPT is invalid, using primary GPT. loop3: p2 p3 p7 Alternate GPT is invalid, using primary GPT. loop1: p2 p3 p7 Alternate GPT is invalid, using primary GPT. loop3: p2 p3 p7 Alternate GPT is invalid, using primary GPT. loop2: p2 p3 p7 Alternate GPT is invalid, using primary GPT. loop5: p2 p3 p7 Alternate GPT is invalid, using primary GPT. loop2: p2 p3 p7 Alternate GPT is invalid, using primary GPT. loop2: p2 p3 p7 Alternate GPT is invalid, using primary GPT. loop1: p2 p3 p7 Alternate GPT is invalid, using primary GPT. loop5: p2 p3 p7 Alternate GPT is invalid, using primary GPT. loop3: p2 p3 p7 Alternate GPT is invalid, using primary GPT. loop0: p2 p3 p7 Alternate GPT is invalid, using primary GPT. loop1: p2 p3 p7 Alternate GPT is invalid, using primary GPT. loop3: p2 p3 p7 Alternate GPT is invalid, using primary GPT. loop2: p2 p3 p7 Alternate GPT is invalid, using primary GPT. loop2: p2 p3 p7 Alternate GPT is invalid, using primary GPT. loop1: p2 p3 p7 Alternate GPT is invalid, using primary GPT. loop3: p2 p3 p7 Alternate GPT is invalid, using primary GPT. loop1: p2 p3 p7 Alternate GPT is invalid, using primary GPT. loop0: p2 p3 p7 Alternate GPT is invalid, using primary GPT. loop3: p2 p3 p7 Alternate GPT is invalid, using primary GPT. loop5: p2 p3 p7 Alternate GPT is invalid, using primary GPT. loop5: p2 p3 p7 Alternate GPT is invalid, using primary GPT. loop1: p2 p3 p7 Alternate GPT is invalid, using primary GPT. loop2: p2 p3 p7 Alternate GPT is invalid, using primary GPT. loop3: p2 p3 p7 Alternate GPT is invalid, using primary GPT. loop1: p2 p3 p7 Alternate GPT is invalid, using primary GPT. loop0: p2 p3 p7 Alternate GPT is invalid, using primary GPT. loop2: p2 p3 p7 Alternate GPT is invalid, using primary GPT. loop3: p2 p3 p7 Alternate GPT is invalid, using primary GPT. loop5: p2 p3 p7 Alternate GPT is invalid, using primary GPT. loop1: p2 p3 p7 Alternate GPT is invalid, using primary GPT. loop5: p2 p3 p7 Alternate GPT is invalid, using primary GPT. loop2: p2 p3 p7 Alternate GPT is invalid, using primary GPT. loop3: p2 p3 p7