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EXT4-fs: Quota format mount options ignored when QUOTA feature is enabled EXT4-fs (loop1): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. ================================================================== BUG: KCSAN: data-race in __writeback_single_inode / vfs_fsync_range read-write to 0xffff888112d3ea80 of 8 bytes by task 8751 on cpu 1: __writeback_single_inode+0x201/0x870 fs/fs-writeback.c:1687 writeback_single_inode+0x12f/0x4a0 fs/fs-writeback.c:1772 sync_inode_metadata+0x5c/0x90 fs/fs-writeback.c:2842 generic_buffers_fsync_noflush+0xe4/0x130 fs/buffer.c:610 ext4_fsync_nojournal fs/ext4/fsync.c:88 [inline] ext4_sync_file+0x20b/0x6c0 fs/ext4/fsync.c:151 vfs_fsync_range+0x122/0x140 fs/sync.c:188 generic_write_sync include/linux/fs.h:2822 [inline] ext4_buffered_write_iter+0x338/0x380 fs/ext4/file.c:305 ext4_file_write_iter+0x29f/0xe30 iter_file_splice_write+0x5e6/0x970 fs/splice.c:743 do_splice_from fs/splice.c:941 [inline] direct_splice_actor+0x16c/0x2c0 fs/splice.c:1164 splice_direct_to_actor+0x305/0x670 fs/splice.c:1108 do_splice_direct_actor fs/splice.c:1207 [inline] do_splice_direct+0xd7/0x150 fs/splice.c:1233 do_sendfile+0x3ab/0x950 fs/read_write.c:1295 __do_sys_sendfile64 fs/read_write.c:1362 [inline] __se_sys_sendfile64 fs/read_write.c:1348 [inline] __x64_sys_sendfile64+0x110/0x150 fs/read_write.c:1348 x64_sys_call+0xed5/0x2d60 arch/x86/include/generated/asm/syscalls_64.h:41 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xc9/0x1c0 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f read to 0xffff888112d3ea80 of 8 bytes by task 8760 on cpu 0: vfs_fsync_range+0xa6/0x140 fs/sync.c:186 generic_write_sync include/linux/fs.h:2822 [inline] ext4_buffered_write_iter+0x338/0x380 fs/ext4/file.c:305 ext4_file_write_iter+0x29f/0xe30 iter_file_splice_write+0x5e6/0x970 fs/splice.c:743 do_splice_from fs/splice.c:941 [inline] direct_splice_actor+0x16c/0x2c0 fs/splice.c:1164 splice_direct_to_actor+0x305/0x670 fs/splice.c:1108 do_splice_direct_actor fs/splice.c:1207 [inline] do_splice_direct+0xd7/0x150 fs/splice.c:1233 do_sendfile+0x3ab/0x950 fs/read_write.c:1295 __do_sys_sendfile64 fs/read_write.c:1362 [inline] __se_sys_sendfile64 fs/read_write.c:1348 [inline] __x64_sys_sendfile64+0x110/0x150 fs/read_write.c:1348 x64_sys_call+0xed5/0x2d60 arch/x86/include/generated/asm/syscalls_64.h:41 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xc9/0x1c0 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f value changed: 0x0000000000000087 -> 0x0000000000000080 Reported by Kernel Concurrency Sanitizer on: CPU: 0 UID: 0 PID: 8760 Comm: syz.1.1586 Not tainted 6.11.0-rc7-syzkaller-00097-g196145c606d0 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 ==================================================================
Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2024/09/13 18:52 | upstream | 196145c606d0 | b58f933c | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-kcsan-gce | KCSAN: data-race in __writeback_single_inode / vfs_fsync_range | ||
2024/09/09 18:06 | upstream | da3ea35007d0 | 073f8be2 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-kcsan-gce | KCSAN: data-race in __writeback_single_inode / vfs_fsync_range |