Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
---|---|---|---|---|---|---|---|---|---|
upstream | KCSAN: data-race in block_write_full_page / truncate_setsize exfat | 1 | 1575d | 1575d | 0/26 | auto-closed as invalid on 2020/03/24 10:39 |
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Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
---|---|---|---|---|---|---|---|---|---|
upstream | KCSAN: data-race in block_write_full_page / truncate_setsize exfat | 1 | 1575d | 1575d | 0/26 | auto-closed as invalid on 2020/03/24 10:39 |
================================================================== BUG: KCSAN: data-race in block_write_full_page / truncate_setsize read-write to 0xffff888109fe4d68 of 8 bytes by task 12443 on cpu 0: i_size_write include/linux/fs.h:905 [inline] truncate_setsize+0x21/0xb0 mm/truncate.c:766 fat_setattr+0x71f/0x840 fs/fat/file.c:550 notify_change+0x8c3/0x930 fs/attr.c:483 do_truncate+0x116/0x150 fs/open.c:66 handle_truncate fs/namei.c:3295 [inline] do_open fs/namei.c:3640 [inline] path_openat+0x1984/0x1d00 fs/namei.c:3791 do_filp_open+0xf6/0x200 fs/namei.c:3818 do_sys_openat2+0xb5/0x2a0 fs/open.c:1356 do_sys_open fs/open.c:1372 [inline] __do_sys_openat fs/open.c:1388 [inline] __se_sys_openat fs/open.c:1383 [inline] __x64_sys_openat+0xf3/0x120 fs/open.c:1383 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd read to 0xffff888109fe4d68 of 8 bytes by task 12438 on cpu 1: i_size_read include/linux/fs.h:883 [inline] block_write_full_page+0x46/0x200 fs/buffer.c:2681 __mpage_writepage+0x761/0xdb0 fs/mpage.c:652 write_cache_pages+0x3a1/0x760 mm/page-writeback.c:2473 mpage_writepages+0x72/0xe0 fs/mpage.c:679 fat_writepages+0x24/0x30 fs/fat/inode.c:200 do_writepages+0x1c5/0x340 mm/page-writeback.c:2551 filemap_fdatawrite_wbc+0xdb/0xf0 mm/filemap.c:390 __filemap_fdatawrite_range mm/filemap.c:423 [inline] file_write_and_wait_range+0xfa/0x190 mm/filemap.c:781 __generic_file_fsync+0x4c/0x140 fs/libfs.c:1127 fat_file_fsync+0x4c/0x100 fs/fat/file.c:191 vfs_fsync_range+0x10b/0x120 fs/sync.c:188 generic_write_sync include/linux/fs.h:2469 [inline] generic_file_write_iter+0x191/0x1c0 mm/filemap.c:4087 call_write_iter include/linux/fs.h:1868 [inline] new_sync_write fs/read_write.c:491 [inline] vfs_write+0x47b/0x780 fs/read_write.c:584 ksys_write+0xeb/0x1a0 fs/read_write.c:637 __do_sys_write fs/read_write.c:649 [inline] __se_sys_write fs/read_write.c:646 [inline] __x64_sys_write+0x42/0x50 fs/read_write.c:646 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd value changed: 0x0000000000005000 -> 0x0000000000000000 Reported by Kernel Concurrency Sanitizer on: CPU: 1 PID: 12438 Comm: syz-executor.2 Not tainted 6.4.0-rc2-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/28/2023 ==================================================================
Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2023/05/15 22:46 | upstream | f1fcbaa18b28 | c4d362e7 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-kcsan-gce | KCSAN: data-race in block_write_full_page / truncate_setsize |