Title | Replies (including bot) | Last reply |
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KCSAN: data-race in fuse_lock_inode / process_init_reply | 0 (1) | 2020/04/03 12:36 |
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Title | Replies (including bot) | Last reply |
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KCSAN: data-race in fuse_lock_inode / process_init_reply | 0 (1) | 2020/04/03 12:36 |
================================================================== BUG: KCSAN: data-race in fuse_lock_inode / process_init_reply read to 0xffff888099cc4d2d of 1 bytes by task 14548 on cpu 1: fuse_lock_inode+0x4c/0x90 fs/fuse/inode.c:351 fuse_lookup+0x3f/0x210 fs/fuse/dir.c:389 __lookup_hash+0xcb/0x110 fs/namei.c:1544 filename_create+0x102/0x2d0 fs/namei.c:3639 user_path_create fs/namei.c:3696 [inline] do_linkat+0xff/0x640 fs/namei.c:4298 __do_sys_link fs/namei.c:4342 [inline] __se_sys_link fs/namei.c:4340 [inline] __x64_sys_link+0x47/0x60 fs/namei.c:4340 do_syscall_64+0xcc/0x3a0 arch/x86/entry/common.c:294 entry_SYSCALL_64_after_hwframe+0x44/0xa9 write to 0xffff888099cc4d2d of 6 bytes by task 14532 on cpu 0: process_init_reply+0x7a/0xb90 fs/fuse/inode.c:891 fuse_request_end+0x324/0x530 fs/fuse/dev.c:328 end_requests+0x100/0x160 fs/fuse/dev.c:2056 fuse_abort_conn+0x737/0x7d0 fs/fuse/dev.c:2151 fuse_dev_release+0x26b/0x290 fs/fuse/dev.c:2186 __fput+0x1e1/0x520 fs/file_table.c:280 ____fput+0x1f/0x30 fs/file_table.c:313 task_work_run+0xf6/0x130 kernel/task_work.c:113 tracehook_notify_resume include/linux/tracehook.h:188 [inline] exit_to_usermode_loop+0x2b4/0x2c0 arch/x86/entry/common.c:164 prepare_exit_to_usermode arch/x86/entry/common.c:195 [inline] syscall_return_slowpath arch/x86/entry/common.c:278 [inline] do_syscall_64+0x384/0x3a0 arch/x86/entry/common.c:304 entry_SYSCALL_64_after_hwframe+0x44/0xa9 Reported by Kernel Concurrency Sanitizer on: CPU: 0 PID: 14532 Comm: syz-executor.1 Not tainted 5.5.0-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 |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2020/02/01 02:37 | https://github.com/google/ktsan.git kcsan | 245a43005292 | 0eb59c27 | .config | console log | report | ci2-upstream-kcsan-gce |