Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
---|---|---|---|---|---|---|---|---|---|
upstream | KCSAN: data-race in ext4_alloc_file_blocks / filemap_fault ext4 | 1 | 1070d | 1070d | 0/26 | auto-closed as invalid on 2021/06/23 06:25 |
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Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
---|---|---|---|---|---|---|---|---|---|
upstream | KCSAN: data-race in ext4_alloc_file_blocks / filemap_fault ext4 | 1 | 1070d | 1070d | 0/26 | auto-closed as invalid on 2021/06/23 06:25 |
================================================================== BUG: KCSAN: data-race in ext4_alloc_file_blocks / filemap_fault write to 0xffff8881330a1758 of 8 bytes by task 7835 on cpu 0: i_size_write include/linux/fs.h:913 [inline] ext4_update_inode_size fs/ext4/ext4.h:3422 [inline] ext4_alloc_file_blocks+0x362/0x730 fs/ext4/extents.c:4493 ext4_fallocate+0x2a7/0x540 fs/ext4/extents.c:4753 vfs_fallocate+0x486/0x720 fs/open.c:307 ksys_fallocate fs/open.c:330 [inline] __do_sys_fallocate fs/open.c:338 [inline] __se_sys_fallocate fs/open.c:336 [inline] __x64_sys_fallocate+0x75/0xc0 fs/open.c:336 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x44/0xd0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae read to 0xffff8881330a1758 of 8 bytes by task 7833 on cpu 1: i_size_read include/linux/fs.h:891 [inline] filemap_fault+0x88/0xa10 mm/filemap.c:3065 __do_fault mm/memory.c:3849 [inline] do_read_fault mm/memory.c:4164 [inline] do_fault mm/memory.c:4293 [inline] handle_pte_fault mm/memory.c:4551 [inline] __handle_mm_fault mm/memory.c:4686 [inline] handle_mm_fault+0xba6/0x1590 mm/memory.c:4784 do_user_addr_fault+0x609/0xbe0 arch/x86/mm/fault.c:1397 handle_page_fault arch/x86/mm/fault.c:1485 [inline] exc_page_fault+0x91/0x290 arch/x86/mm/fault.c:1541 asm_exc_page_fault+0x1e/0x30 value changed: 0x0000000000000000 -> 0x000000000080019e Reported by Kernel Concurrency Sanitizer on: CPU: 1 PID: 7833 Comm: syz-executor.4 Not tainted 5.16.0-rc4-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 |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2021/12/07 02:50 | upstream | f80ef9e49fdf | 0230ba3e | .config | console log | report | info | ci2-upstream-kcsan-gce | KCSAN: data-race in ext4_alloc_file_blocks / filemap_fault | |||
2021/11/10 15:28 | upstream | cb690f5238d7 | 75b04091 | .config | console log | report | info | ci2-upstream-kcsan-gce | KCSAN: data-race in ext4_alloc_file_blocks / filemap_fault | |||
2021/11/08 07:33 | upstream | 6b75d88fa81b | 4c1be0be | .config | console log | report | info | ci2-upstream-kcsan-gce | KCSAN: data-race in ext4_alloc_file_blocks / filemap_fault | |||
2021/10/20 12:48 | upstream | d9abdee5fd5a | 418a00eb | .config | console log | report | info | ci2-upstream-kcsan-gce | KCSAN: data-race in ext4_alloc_file_blocks / filemap_fault |