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🐞 Open [1157] 🐞 Fixed [4318] 🐞 Invalid [9656] 📈 Kernel Health 📈 Bug Lifetimes 📈 Fuzzing 📈 Crashes |
Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
---|---|---|---|---|---|---|---|---|---|
upstream | KCSAN: data-race in copy_page_to_iter / ext4_fill_super (2) | 11 | 470d | 548d | 0/24 | auto-closed as invalid on 2021/11/23 22:50 | |||
upstream | KCSAN: data-race in copy_page_to_iter / ext4_fill_super (3) | 1 | 413d | 413d | 0/24 | auto-closed as invalid on 2022/01/19 23:07 |
================================================================== BUG: KCSAN: data-race in copy_page_to_iter / ext4_fill_super write to 0xffff88813d13d40c of 4 bytes by task 12791 on cpu 1: ext4_free_blocks_count_set fs/ext4/ext4.h:3251 [inline] ext4_fill_super+0x68e0/0x8030 fs/ext4/super.c:5029 mount_bdev+0x1e8/0x290 fs/super.c:1368 ext4_mount+0x2d/0x40 fs/ext4/super.c:6639 legacy_get_tree+0x70/0xc0 fs/fs_context.c:592 vfs_get_tree+0x4a/0x1a0 fs/super.c:1498 do_new_mount fs/namespace.c:2905 [inline] path_mount+0x11d4/0x1ce0 fs/namespace.c:3235 do_mount fs/namespace.c:3248 [inline] __do_sys_mount fs/namespace.c:3456 [inline] __se_sys_mount+0x23d/0x2e0 fs/namespace.c:3433 __x64_sys_mount+0x63/0x70 fs/namespace.c:3433 do_syscall_64+0x4a/0x90 arch/x86/entry/common.c:47 entry_SYSCALL_64_after_hwframe+0x44/0xae read to 0xffff88813d13d400 of 1024 bytes by task 12778 on cpu 0: instrument_copy_to_user include/linux/instrumented.h:119 [inline] copyout lib/iov_iter.c:189 [inline] copy_page_to_iter_iovec lib/iov_iter.c:261 [inline] copy_page_to_iter+0x320/0x860 lib/iov_iter.c:973 filemap_read+0xf06/0x1230 mm/filemap.c:2605 generic_file_read_iter+0x75/0x2c0 mm/filemap.c:2701 blkdev_read_iter+0xb9/0xf0 fs/block_dev.c:1730 call_read_iter include/linux/fs.h:2108 [inline] new_sync_read fs/read_write.c:415 [inline] vfs_read+0x565/0x5d0 fs/read_write.c:496 ksys_read+0xce/0x180 fs/read_write.c:634 __do_sys_read fs/read_write.c:644 [inline] __se_sys_read fs/read_write.c:642 [inline] __x64_sys_read+0x3e/0x50 fs/read_write.c:642 do_syscall_64+0x4a/0x90 arch/x86/entry/common.c:47 entry_SYSCALL_64_after_hwframe+0x44/0xae Reported by Kernel Concurrency Sanitizer on: CPU: 0 PID: 12778 Comm: systemd-udevd Not tainted 5.13.0-rc7-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ==================================================================
Manager | Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets | Title |
---|---|---|---|---|---|---|---|---|---|---|---|---|
ci2-upstream-kcsan-gce | 2021/06/26 12:37 | upstream | b7050b242430 | 9d2ab5df | .config | console log | report | info | KCSAN: data-race in copy_page_to_iter / ext4_fill_super | |||
ci2-upstream-kcsan-gce | 2021/06/17 20:49 | upstream | 70585216fe77 | aba2b2fb | .config | console log | report | info | KCSAN: data-race in copy_page_to_iter / ext4_fill_super | |||
ci2-upstream-kcsan-gce | 2021/05/14 23:38 | upstream | bd3c9cdb21a2 | 8bdd5343 | .config | console log | report | info | KCSAN: data-race in copy_page_to_iter / ext4_fill_super | |||
ci2-upstream-kcsan-gce | 2021/05/10 13:37 | upstream | 6efb943b8616 | ca873091 | .config | console log | report | info | KCSAN: data-race in copy_page_to_iter / ext4_fill_super | |||
ci2-upstream-kcsan-gce | 2021/04/28 01:59 | upstream | e359bce39d90 | 805b5003 | .config | console log | report | info | KCSAN: data-race in copy_page_to_iter / ext4_fill_super | |||
ci2-upstream-kcsan-gce | 2021/04/24 21:17 | upstream | 2a1d7946fa53 | 17f0b706 | .config | console log | report | info | KCSAN: data-race in copy_page_to_iter / ext4_fill_super |