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[syzbot] [fs?] [mm?] KCSAN: data-race in xas_create / xas_find (8) | 2 (3) | 2024/10/14 16:42 |
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[syzbot] [fs?] [mm?] KCSAN: data-race in xas_create / xas_find (8) | 2 (3) | 2024/10/14 16:42 |
Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
---|---|---|---|---|---|---|---|---|---|
upstream | KCSAN: data-race in xas_create / xas_find (4) fs mm | 3 | 920d | 958d | 0/28 | auto-closed as invalid on 2022/06/09 16:26 | |||
upstream | KCSAN: data-race in xas_create / xas_find (2) fs mm | 5 | 1180d | 1252d | 0/28 | auto-closed as invalid on 2021/09/22 15:56 | |||
upstream | KCSAN: data-race in xas_create / xas_find (6) fs mm | 4 | 252d | 315d | 0/28 | auto-obsoleted due to no activity on 2024/04/08 00:15 | |||
upstream | KCSAN: data-race in xas_create / xas_find (5) fs mm | 1 | 878d | 878d | 0/28 | auto-closed as invalid on 2022/07/21 09:43 | |||
upstream | KCSAN: data-race in xas_create / xas_find (3) mm fs | 11 | 1029d | 1145d | 0/28 | auto-closed as invalid on 2022/02/20 21:56 | |||
upstream | KCSAN: data-race in xas_create / xas_find fs mm | 2 | 1291d | 1305d | 0/28 | auto-closed as invalid on 2021/06/03 16:29 | |||
upstream | KCSAN: data-race in xas_create / xas_find (7) fs mm | 1 | 78d | 78d | 0/28 | auto-obsoleted due to no activity on 2024/09/28 12:31 |
EXT4-fs: Ignoring removed mblk_io_submit option EXT4-fs (loop3): stripe (65535) is not aligned with cluster size (16), stripe is disabled JBD2: no valid journal superblock found EXT4-fs (loop3): Could not load journal inode ================================================================== BUG: KCSAN: data-race in xas_create / xas_find write to 0xffff888112b0a491 of 1 bytes by task 3393 on cpu 0: xas_expand lib/xarray.c:613 [inline] xas_create+0x666/0xbd0 lib/xarray.c:654 xas_store+0x6f/0xc90 lib/xarray.c:788 __filemap_add_folio+0x3cc/0x6f0 mm/filemap.c:916 filemap_add_folio+0x9c/0x1b0 mm/filemap.c:972 page_cache_ra_unbounded+0x175/0x310 mm/readahead.c:268 do_page_cache_ra mm/readahead.c:320 [inline] force_page_cache_ra mm/readahead.c:349 [inline] page_cache_sync_ra+0x252/0x670 mm/readahead.c:562 page_cache_sync_readahead include/linux/pagemap.h:1394 [inline] filemap_get_pages+0x2c1/0x10e0 mm/filemap.c:2547 filemap_read+0x216/0x680 mm/filemap.c:2645 blkdev_read_iter+0x20e/0x2c0 block/fops.c:765 new_sync_read fs/read_write.c:488 [inline] vfs_read+0x5dc/0x700 fs/read_write.c:569 ksys_read+0xeb/0x1b0 fs/read_write.c:712 __do_sys_read fs/read_write.c:722 [inline] __se_sys_read fs/read_write.c:720 [inline] __x64_sys_read+0x42/0x50 fs/read_write.c:720 x64_sys_call+0x27d3/0x2d60 arch/x86/include/generated/asm/syscalls_64.h:1 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xc9/0x1c0 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f read to 0xffff888112b0a491 of 1 bytes by task 6868 on cpu 1: xas_find+0x372/0x3f0 lib/xarray.c:1278 find_get_entry+0x66/0x390 mm/filemap.c:1992 find_lock_entries+0x412/0x480 mm/filemap.c:2096 mapping_try_invalidate+0xb1/0x3f0 mm/truncate.c:484 invalidate_mapping_pages+0x27/0x40 mm/truncate.c:538 invalidate_bdev+0x58/0x70 block/bdev.c:102 __ext4_fill_super fs/ext4/super.c:5661 [inline] ext4_fill_super+0x6f3/0x3a10 fs/ext4/super.c:5686 get_tree_bdev_flags+0x29f/0x310 fs/super.c:1636 get_tree_bdev+0x1f/0x30 fs/super.c:1659 ext4_get_tree+0x1c/0x30 fs/ext4/super.c:5718 vfs_get_tree+0x56/0x1e0 fs/super.c:1814 do_new_mount+0x227/0x690 fs/namespace.c:3507 path_mount+0x49b/0xb30 fs/namespace.c:3834 do_mount fs/namespace.c:3847 [inline] __do_sys_mount fs/namespace.c:4057 [inline] __se_sys_mount+0x27c/0x2d0 fs/namespace.c:4034 __x64_sys_mount+0x67/0x80 fs/namespace.c:4034 x64_sys_call+0x203e/0x2d60 arch/x86/include/generated/asm/syscalls_64.h:166 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xc9/0x1c0 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f value changed: 0x15 -> 0x00 Reported by Kernel Concurrency Sanitizer on: CPU: 1 UID: 0 PID: 6868 Comm: syz.3.1386 Not tainted 6.12.0-rc6-syzkaller-00318-ga9cda7c0ffed #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 ==================================================================
Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2024/11/10 23:56 | upstream | a9cda7c0ffed | 6b856513 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-kcsan-gce | KCSAN: data-race in xas_create / xas_find | ||
2024/11/05 00:50 | upstream | 557329bcecc2 | 509da429 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-kcsan-gce | KCSAN: data-race in xas_create / xas_find | ||
2024/10/16 11:41 | upstream | 2f87d0916ce0 | bde2d81c | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-kcsan-gce | KCSAN: data-race in xas_create / xas_find | ||
2024/10/04 23:49 | upstream | 2f91ff27b0ee | d7906eff | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-kcsan-gce | KCSAN: data-race in xas_create / xas_find |