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| Kernel | Title | Rank 🛈 | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
|---|---|---|---|---|---|---|---|---|---|---|
| upstream | KCSAN: data-race in lru_add_drain_all / pagevec_lru_move_fn (2) mm | 6 | 20 | 1952d | 2098d | 0/29 | auto-closed as invalid on 2020/06/18 13:23 | |||
| upstream | KCSAN: data-race in lru_add_drain_all / pagevec_lru_move_fn (4) mm | 6 | 1 | 1674d | 1674d | 0/29 | auto-closed as invalid on 2021/02/21 12:14 | |||
| upstream | KCSAN: data-race in lru_add_drain_all / pagevec_lru_move_fn mm | 6 | 2 | 2116d | 2125d | 0/29 | closed as invalid on 2019/11/19 13:24 |
================================================================== BUG: KCSAN: data-race in lru_add_drain_all / pagevec_lru_move_fn write to 0xffff88813bc276f0 of 1 bytes by task 22529 on cpu 0: pagevec_reinit include/linux/pagevec.h:63 [inline] pagevec_lru_move_fn+0x175/0x190 mm/swap.c:232 __pagevec_lru_add mm/swap.c:1070 [inline] lru_add_drain_cpu+0x75/0x290 mm/swap.c:630 lru_add_drain+0x30/0x70 mm/swap.c:734 follow_page_pte+0x9ae/0xb90 mm/gup.c:529 follow_pmd_mask+0x4b0/0xeb0 mm/gup.c:607 follow_pud_mask mm/gup.c:702 [inline] follow_p4d_mask mm/gup.c:728 [inline] follow_page_mask+0x382/0x540 mm/gup.c:787 __get_user_pages+0x8a7/0xe50 mm/gup.c:1095 populate_vma_page_range mm/gup.c:1430 [inline] __mm_populate+0x24d/0x340 mm/gup.c:1478 mm_populate include/linux/mm.h:2590 [inline] __do_sys_mlockall mm/mlock.c:828 [inline] __se_sys_mlockall+0x22b/0x250 mm/mlock.c:804 __x64_sys_mlockall+0x1b/0x20 mm/mlock.c:804 do_syscall_64+0x39/0x80 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xa9 read to 0xffff88813bc276f0 of 1 bytes by task 4901 on cpu 1: pagevec_count include/linux/pagevec.h:68 [inline] lru_add_drain_all+0x108/0x3c0 mm/swap.c:837 invalidate_bdev+0x50/0x70 fs/block_dev.c:96 blk_drop_partitions+0x5a/0x1d0 block/partitions/core.c:636 bdev_disk_changed+0x88/0x310 fs/block_dev.c:1393 blkdev_reread_part block/ioctl.c:103 [inline] blkdev_common_ioctl+0xdbb/0x1170 block/ioctl.c:552 blkdev_ioctl+0x16e/0x3f0 block/ioctl.c:621 block_ioctl+0x6d/0x80 fs/block_dev.c:1869 vfs_ioctl fs/ioctl.c:48 [inline] __do_sys_ioctl fs/ioctl.c:753 [inline] __se_sys_ioctl+0xcb/0x140 fs/ioctl.c:739 __x64_sys_ioctl+0x3f/0x50 fs/ioctl.c:739 do_syscall_64+0x39/0x80 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xa9 Reported by Kernel Concurrency Sanitizer on: CPU: 1 PID: 4901 Comm: systemd-udevd Not tainted 5.10.0-rc7-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ==================================================================
| Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2020/12/12 23:51 | upstream | 7b1b868e1d91 | bca53db9 | .config | console log | report | info | ci2-upstream-kcsan-gce | ||||
| 2020/12/11 02:33 | upstream | 9fca90cf2892 | f900b48c | .config | console log | report | info | ci2-upstream-kcsan-gce | ||||
| 2020/12/05 18:01 | upstream | b3298500b23f | 0ef84591 | .config | console log | report | info | ci2-upstream-kcsan-gce | ||||
| 2020/11/30 05:55 | upstream | b65054597872 | a0092f9d | .config | console log | report | info | ci2-upstream-kcsan-gce | ||||
| 2020/11/22 17:01 | upstream | a349e4c65960 | 0d27f508 | .config | console log | report | info | ci2-upstream-kcsan-gce | ||||
| 2020/11/12 11:43 | upstream | 3d5e28bff7ad | 77a55c8e | .config | console log | report | info | ci2-upstream-kcsan-gce | ||||
| 2020/10/20 14:08 | upstream | 270315b8235e | ff4a3345 | .config | console log | report | info | ci2-upstream-kcsan-gce | ||||
| 2020/10/06 11:32 | upstream | 7575fdda569b | 1880b4a9 | .config | console log | report | info | ci2-upstream-kcsan-gce | ||||
| 2020/09/06 16:53 | upstream | dd9fb9bb3340 | abf9ba4f | .config | console log | report | ci2-upstream-kcsan-gce |