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| Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
|---|---|---|---|---|---|---|---|---|---|
| upstream | KCSAN: data-race in read_pages / read_pages (2) fs mm | 134 | 322d | 417d | 0/28 | auto-obsoleted due to no activity on 2024/04/14 15:35 | |||
| upstream | KCSAN: data-race in read_pages / read_pages fs mm | 1 | 948d | 948d | 0/28 | auto-closed as invalid on 2022/07/30 19:54 | |||
| upstream | KCSAN: data-race in read_pages / read_pages (4) fs mm | 2 | 27d | 33d | 0/28 | upstream: reported on 2024/12/26 21:44 |
loop3: detected capacity change from 0 to 2048 EXT4-fs (loop3): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. ================================================================== BUG: KCSAN: data-race in read_pages / read_pages write to 0xffff8881045a8284 of 4 bytes by task 18421 on cpu 1: read_pages+0x287/0x540 mm/readahead.c:172 page_cache_ra_unbounded+0x22c/0x2e0 page_cache_sync_ra+0x652/0x670 page_cache_sync_readahead include/linux/pagemap.h:1296 [inline] filemap_get_pages+0x252/0xfb0 mm/filemap.c:2529 filemap_splice_read+0x360/0x920 mm/filemap.c:2894 ext4_file_splice_read+0x95/0xc0 fs/ext4/file.c:158 do_splice_read fs/splice.c:985 [inline] splice_direct_to_actor+0x26c/0x670 fs/splice.c:1089 do_splice_direct_actor fs/splice.c:1207 [inline] do_splice_direct+0xd7/0x150 fs/splice.c:1233 do_sendfile+0x3ab/0x950 fs/read_write.c:1295 __do_sys_sendfile64 fs/read_write.c:1362 [inline] __se_sys_sendfile64 fs/read_write.c:1348 [inline] __x64_sys_sendfile64+0x110/0x150 fs/read_write.c:1348 x64_sys_call+0xed5/0x2d60 arch/x86/include/generated/asm/syscalls_64.h:41 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 0xffff8881045a8284 of 4 bytes by task 18420 on cpu 0: read_pages+0x25c/0x540 mm/readahead.c:171 page_cache_ra_unbounded+0x22c/0x2e0 page_cache_sync_ra+0x652/0x670 page_cache_sync_readahead include/linux/pagemap.h:1296 [inline] filemap_get_pages+0x252/0xfb0 mm/filemap.c:2529 filemap_splice_read+0x360/0x920 mm/filemap.c:2894 ext4_file_splice_read+0x95/0xc0 fs/ext4/file.c:158 do_splice_read fs/splice.c:985 [inline] splice_direct_to_actor+0x26c/0x670 fs/splice.c:1089 do_splice_direct_actor fs/splice.c:1207 [inline] do_splice_direct+0xd7/0x150 fs/splice.c:1233 do_sendfile+0x3ab/0x950 fs/read_write.c:1295 __do_sys_sendfile64 fs/read_write.c:1362 [inline] __se_sys_sendfile64 fs/read_write.c:1348 [inline] __x64_sys_sendfile64+0x110/0x150 fs/read_write.c:1348 x64_sys_call+0xed5/0x2d60 arch/x86/include/generated/asm/syscalls_64.h:41 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: 0x0000000a -> 0x00000006 Reported by Kernel Concurrency Sanitizer on: CPU: 0 UID: 0 PID: 18420 Comm: syz.3.4772 Not tainted 6.11.0-rc7-syzkaller-00017-gbc83b4d1f086 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 ==================================================================
| Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2024/09/10 11:15 | upstream | bc83b4d1f086 | 784df80e | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-kcsan-gce | KCSAN: data-race in read_pages / read_pages |