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🐞 Open [1164] 🐞 Fixed [4299] 🐞 Invalid [9645] 📈 Kernel Health 📈 Bug Lifetimes 📈 Fuzzing 📈 Crashes |
Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
---|---|---|---|---|---|---|---|---|---|
upstream | KCSAN: data-race in __mpage_writepage / truncate_setsize (6) | 1 | 553d | 553d | 0/24 | auto-closed as invalid on 2021/08/28 08:01 | |||
upstream | KCSAN: data-race in __mpage_writepage / truncate_setsize (3) | 3 | 863d | 888d | 0/24 | auto-closed as invalid on 2020/10/22 12:12 | |||
upstream | KCSAN: data-race in __mpage_writepage / truncate_setsize (4) | 1 | 776d | 776d | 0/24 | auto-closed as invalid on 2021/01/16 18:17 | |||
upstream | KCSAN: data-race in __mpage_writepage / truncate_setsize (7) | 2 | 286d | 318d | 0/24 | auto-closed as invalid on 2022/05/21 16:37 | |||
upstream | KCSAN: data-race in __mpage_writepage / truncate_setsize (2) | 2 | 1000d | 1013d | 0/24 | auto-closed as invalid on 2020/06/18 14:03 | |||
upstream | KCSAN: data-race in __mpage_writepage / truncate_setsize (8) | 1 | 198d | 198d | 0/24 | auto-closed as invalid on 2022/08/17 17:26 | |||
upstream | KCSAN: data-race in __mpage_writepage / truncate_setsize | 1 | 1099d | 1099d | 0/24 | auto-closed as invalid on 2020/04/04 11:54 |
================================================================== BUG: KCSAN: data-race in __mpage_writepage / truncate_setsize write to 0xffff888106624980 of 8 bytes by task 4642 on cpu 1: i_size_write include/linux/fs.h:871 [inline] truncate_setsize+0x2a/0xc0 mm/truncate.c:763 fat_setattr+0x69a/0x7d0 fs/fat/file.c:538 notify_change+0x8a3/0xa80 fs/attr.c:398 do_truncate+0xe8/0x130 fs/open.c:64 handle_truncate fs/namei.c:3017 [inline] do_open fs/namei.c:3365 [inline] path_openat+0x1a79/0x20b0 fs/namei.c:3494 do_filp_open+0xd9/0x1f0 fs/namei.c:3521 do_sys_openat2+0xa3/0x250 fs/open.c:1187 do_sys_open fs/open.c:1203 [inline] __do_sys_openat fs/open.c:1219 [inline] __se_sys_openat fs/open.c:1214 [inline] __x64_sys_openat+0xef/0x110 fs/open.c:1214 do_syscall_64+0x4a/0x90 arch/x86/entry/common.c:47 entry_SYSCALL_64_after_hwframe+0x44/0xae read to 0xffff888106624980 of 8 bytes by task 4630 on cpu 0: i_size_read include/linux/fs.h:849 [inline] __mpage_writepage+0x93/0x1080 fs/mpage.c:499 write_cache_pages+0x4d7/0x810 mm/page-writeback.c:2246 mpage_writepages+0x6d/0x120 fs/mpage.c:712 fat_writepages+0x20/0x30 fs/fat/inode.c:205 do_writepages+0x7b/0x150 mm/page-writeback.c:2352 __filemap_fdatawrite_range mm/filemap.c:413 [inline] file_write_and_wait_range+0x180/0x210 mm/filemap.c:792 __generic_file_fsync+0x48/0x140 fs/libfs.c:1079 fat_file_fsync+0x48/0x100 fs/fat/file.c:190 vfs_fsync_range+0x107/0x120 fs/sync.c:200 generic_write_sync include/linux/fs.h:2982 [inline] generic_file_write_iter+0x103/0x130 mm/filemap.c:3825 call_write_iter include/linux/fs.h:2114 [inline] new_sync_write fs/read_write.c:518 [inline] vfs_write+0x69d/0x770 fs/read_write.c:605 ksys_write+0xce/0x180 fs/read_write.c:658 __do_sys_write fs/read_write.c:670 [inline] __se_sys_write fs/read_write.c:667 [inline] __x64_sys_write+0x3e/0x50 fs/read_write.c:667 do_syscall_64+0x4a/0x90 arch/x86/entry/common.c:47 entry_SYSCALL_64_after_hwframe+0x44/0xae value changed: 0x000000000000fea7 -> 0x0000000000000000 Reported by Kernel Concurrency Sanitizer on: CPU: 0 PID: 4630 Comm: syz-executor.0 Not tainted 5.13.0-rc5-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ================================================================== attempt to access beyond end of device loop0: rw=2049, want=144, limit=16
Manager | Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets | Title |
---|---|---|---|---|---|---|---|---|---|---|---|---|
ci2-upstream-kcsan-gce | 2021/06/08 09:30 | upstream | 614124bea77e | 5c2fe346 | .config | console log | report | info | KCSAN: data-race in __mpage_writepage / truncate_setsize |