syzbot |
sign-in | mailing list | source | docs |
🐞 Open [984] ≡ Subsystems 🐞 Fixed [5216] 🐞 Invalid [12474] ⬇ Missing Backports [82] 📈 Kernel Health 📈 Bug Lifetimes 📈 Fuzzing 📈 Crashes | 💬 Send us feedback |
================================================================== BUG: KCSAN: data-race in __remove_assoc_queue / mark_buffer_dirty_inode write to 0xffff8880b4961538 of 8 bytes by task 10582 on cpu 1: __remove_assoc_queue+0xa0/0x130 fs/buffer.c:490 fsync_buffers_list fs/buffer.c:761 [inline] sync_mapping_buffers+0x42f/0x720 fs/buffer.c:557 fat_file_fsync+0xc8/0x120 fs/fat/file.c:194 vfs_fsync_range+0x7c/0x150 fs/sync.c:197 generic_write_sync include/linux/fs.h:2872 [inline] generic_file_write_iter+0x31c/0x38e mm/filemap.c:3467 call_write_iter include/linux/fs.h:1907 [inline] do_iter_readv_writev+0x4a7/0x5d0 fs/read_write.c:694 do_iter_write fs/read_write.c:999 [inline] do_iter_write+0x137/0x3a0 fs/read_write.c:980 vfs_iter_write+0x56/0x80 fs/read_write.c:1040 iter_file_splice_write+0x530/0x830 fs/splice.c:760 do_splice_from fs/splice.c:863 [inline] direct_splice_actor+0x97/0xb0 fs/splice.c:1037 splice_direct_to_actor+0x22f/0x540 fs/splice.c:992 do_splice_direct+0x152/0x1d0 fs/splice.c:1080 do_sendfile+0x380/0x800 fs/read_write.c:1521 __do_sys_sendfile64 fs/read_write.c:1576 [inline] __se_sys_sendfile64 fs/read_write.c:1568 [inline] __x64_sys_sendfile64+0xb8/0x140 fs/read_write.c:1568 do_syscall_64+0xc7/0x3b0 arch/x86/entry/common.c:295 entry_SYSCALL_64_after_hwframe+0x44/0xa9 read to 0xffff8880b4961538 of 8 bytes by task 10579 on cpu 0: mark_buffer_dirty_inode+0x9e/0x240 fs/buffer.c:590 fat_mirror_bhs+0x113/0x300 fs/fat/fatent.c:396 fat_alloc_clusters+0xa45/0xbf0 fs/fat/fatent.c:541 fat_add_cluster+0x3b/0xd0 fs/fat/inode.c:108 __fat_get_block fs/fat/inode.c:155 [inline] fat_get_block+0x3c6/0x4f0 fs/fat/inode.c:190 __block_write_begin_int+0x306/0xf80 fs/buffer.c:2002 __block_write_begin fs/buffer.c:2052 [inline] block_write_begin+0x76/0x200 fs/buffer.c:2111 cont_write_begin+0x3bd/0x660 fs/buffer.c:2460 fat_write_begin+0x69/0xc0 fs/fat/inode.c:236 generic_perform_write+0x13a/0x320 mm/filemap.c:3302 __generic_file_write_iter+0x240/0x370 mm/filemap.c:3431 generic_file_write_iter+0x294/0x38e mm/filemap.c:3463 call_write_iter include/linux/fs.h:1907 [inline] new_sync_write+0x303/0x400 fs/read_write.c:484 __vfs_write+0x9e/0xb0 fs/read_write.c:497 vfs_write fs/read_write.c:559 [inline] vfs_write+0x189/0x380 fs/read_write.c:543 ksys_write+0xc5/0x1a0 fs/read_write.c:612 __do_sys_write fs/read_write.c:624 [inline] __se_sys_write fs/read_write.c:621 [inline] __x64_sys_write+0x49/0x60 fs/read_write.c:621 do_syscall_64+0xc7/0x3b0 arch/x86/entry/common.c:295 entry_SYSCALL_64_after_hwframe+0x44/0xa9 Reported by Kernel Concurrency Sanitizer on: CPU: 0 PID: 10579 Comm: syz-executor.5 Not tainted 5.7.0-rc1-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 |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2020/06/02 04:13 | https://github.com/google/ktsan.git kcsan | 7c3cd68e5d38 | a0331e89 | .config | console log | report | ci2-upstream-kcsan-gce | |||||
2020/05/25 17:49 | https://github.com/google/ktsan.git kcsan | 7c3cd68e5d38 | 73964a9b | .config | console log | report | ci2-upstream-kcsan-gce | |||||
2020/05/01 06:55 | https://github.com/google/ktsan.git kcsan | 7c3cd68e5d38 | 3698959a | .config | console log | report | ci2-upstream-kcsan-gce | |||||
2020/04/15 09:59 | https://github.com/google/ktsan.git kcsan | 40959e34d670 | 3f3c5574 | .config | console log | report | ci2-upstream-kcsan-gce | |||||
2020/04/02 15:20 | https://github.com/google/ktsan.git kcsan | 40959e34d670 | a34e2c33 | .config | console log | report | ci2-upstream-kcsan-gce | |||||
2020/03/22 08:32 | https://github.com/google/ktsan.git kcsan | 40959e34d670 | 78267cec | .config | console log | report | ci2-upstream-kcsan-gce | |||||
2020/03/10 05:49 | https://github.com/google/ktsan.git kcsan | 941e0d917bbf | 35f53e45 | .config | console log | report | ci2-upstream-kcsan-gce | |||||
2020/03/07 00:29 | https://github.com/google/ktsan.git kcsan | 941e0d917bbf | fd2a5f28 | .config | console log | report | ci2-upstream-kcsan-gce | |||||
2020/02/05 20:53 | https://github.com/google/ktsan.git kcsan | 245a43005292 | 662cf49a | .config | console log | report | ci2-upstream-kcsan-gce | |||||
2020/02/03 17:02 | https://github.com/google/ktsan.git kcsan | 245a43005292 | 93e5e335 | .config | console log | report | ci2-upstream-kcsan-gce | |||||
2020/02/02 03:27 | https://github.com/google/ktsan.git kcsan | 245a43005292 | 2274ad39 | .config | console log | report | ci2-upstream-kcsan-gce | |||||
2020/01/29 03:09 | https://github.com/google/ktsan.git kcsan | 245a43005292 | c8e81ce4 | .config | console log | report | ci2-upstream-kcsan-gce | |||||
2020/01/24 12:36 | https://github.com/google/ktsan.git kcsan | 245a43005292 | 2e95ab33 | .config | console log | report | ci2-upstream-kcsan-gce | |||||
2020/01/24 06:14 | https://github.com/google/ktsan.git kcsan | 245a43005292 | 11ebf937 | .config | console log | report | ci2-upstream-kcsan-gce | |||||
2020/01/22 02:44 | https://github.com/google/ktsan.git kcsan | 245a43005292 | 8eda0b95 | .config | console log | report | ci2-upstream-kcsan-gce | |||||
2020/01/16 17:05 | https://github.com/google/ktsan.git kcsan | 245a43005292 | 3de7aabb | .config | console log | report | ci2-upstream-kcsan-gce | |||||
2020/01/10 22:28 | https://github.com/google/ktsan.git kcsan | 245a43005292 | 532ec44e | .config | console log | report | ci2-upstream-kcsan-gce | |||||
2019/12/03 18:05 | https://github.com/google/ktsan.git kcsan | ef798c30ba4e | ab342da3 | .config | console log | report | ci2-upstream-kcsan-gce | |||||
2019/11/16 22:20 | https://github.com/google/ktsan.git kcsan | 5863cc791e4c | cdac920b | .config | console log | report | ci2-upstream-kcsan-gce |