| Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
|---|---|---|---|---|---|---|---|---|---|
| upstream | KCSAN: data-race in shmem_reserve_inode / shmem_statfs (2) mm | 1 | 1105d | 1105d | 0/26 | auto-closed as invalid on 2021/05/15 12:11 |
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| Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
|---|---|---|---|---|---|---|---|---|---|
| upstream | KCSAN: data-race in shmem_reserve_inode / shmem_statfs (2) mm | 1 | 1105d | 1105d | 0/26 | auto-closed as invalid on 2021/05/15 12:11 |
================================================================== BUG: KCSAN: data-race in shmem_reserve_inode / shmem_statfs write to 0xffff888105f6b0f8 of 8 bytes by task 1183 on cpu 0: shmem_reserve_inode+0xb5/0x320 syzkaller/managers/upstream-kcsan-gce/kernel/mm/shmem.c:287 shmem_get_inode+0x56/0x440 syzkaller/managers/upstream-kcsan-gce/kernel/mm/shmem.c:2300 shmem_mknod+0x3b/0x170 syzkaller/managers/upstream-kcsan-gce/kernel/mm/shmem.c:2925 shmem_create+0x27/0x30 syzkaller/managers/upstream-kcsan-gce/kernel/mm/shmem.c:2985 lookup_open syzkaller/managers/upstream-kcsan-gce/kernel/fs/namei.c:3106 [inline] open_last_lookups syzkaller/managers/upstream-kcsan-gce/kernel/fs/namei.c:3180 [inline] path_openat+0xcb4/0x20a0 syzkaller/managers/upstream-kcsan-gce/kernel/fs/namei.c:3368 do_filp_open+0xbd/0x1d0 syzkaller/managers/upstream-kcsan-gce/kernel/fs/namei.c:3398 do_sys_openat2+0xa3/0x250 syzkaller/managers/upstream-kcsan-gce/kernel/fs/open.c:1172 do_sys_open syzkaller/managers/upstream-kcsan-gce/kernel/fs/open.c:1188 [inline] __do_sys_open syzkaller/managers/upstream-kcsan-gce/kernel/fs/open.c:1196 [inline] __se_sys_open syzkaller/managers/upstream-kcsan-gce/kernel/fs/open.c:1192 [inline] __x64_sys_open+0xe2/0x110 syzkaller/managers/upstream-kcsan-gce/kernel/fs/open.c:1192 do_syscall_64+0x39/0x80 syzkaller/managers/upstream-kcsan-gce/kernel/arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xa9 read to 0xffff888105f6b0f8 of 8 bytes by task 4883 on cpu 1: shmem_statfs+0x10b/0x130 syzkaller/managers/upstream-kcsan-gce/kernel/mm/shmem.c:2910 statfs_by_dentry syzkaller/managers/upstream-kcsan-gce/kernel/fs/statfs.c:66 [inline] vfs_statfs+0xb7/0x1c0 syzkaller/managers/upstream-kcsan-gce/kernel/fs/statfs.c:90 fd_statfs syzkaller/managers/upstream-kcsan-gce/kernel/fs/statfs.c:120 [inline] __do_sys_fstatfs syzkaller/managers/upstream-kcsan-gce/kernel/fs/statfs.c:216 [inline] __se_sys_fstatfs syzkaller/managers/upstream-kcsan-gce/kernel/fs/statfs.c:213 [inline] __x64_sys_fstatfs+0x6c/0x130 syzkaller/managers/upstream-kcsan-gce/kernel/fs/statfs.c:213 do_syscall_64+0x39/0x80 syzkaller/managers/upstream-kcsan-gce/kernel/arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xa9 Reported by Kernel Concurrency Sanitizer on: CPU: 1 PID: 4883 Comm: systemd-journal Not tainted 5.11.0-rc6-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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2021/02/06 17:15 | upstream | 1e0d27fce010 | 0655e081 | .config | console log | report | info | ci2-upstream-kcsan-gce | KCSAN: data-race in shmem_reserve_inode / shmem_statfs |