================================================================== BUG: KCSAN: data-race in lbmIODone / lbmRead write to 0xffff88801cdcab88 of 4 bytes by interrupt on cpu 0: lbmIODone+0x50/0xad0 fs/jfs/jfs_logmgr.c:2193 bio_endio+0x28a/0x370 block/bio.c:1449 req_bio_endio block/blk-core.c:259 [inline] blk_update_request+0x535/0xbd0 block/blk-core.c:1577 blk_mq_end_request+0x22/0x50 block/blk-mq.c:562 lo_complete_rq+0xca/0x180 drivers/block/loop.c:500 blk_done_softirq+0x1a5/0x200 block/blk-mq.c:586 __do_softirq+0x198/0x360 kernel/softirq.c:298 run_ksoftirqd+0x2f/0x60 kernel/softirq.c:652 smpboot_thread_fn+0x347/0x530 kernel/smpboot.c:165 kthread+0x20d/0x230 kernel/kthread.c:292 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294 read to 0xffff88801cdcab88 of 4 bytes by task 28770 on cpu 1: lbmRead+0x254/0x330 fs/jfs/jfs_logmgr.c:2001 lmLogInit+0x5e3/0xb00 fs/jfs/jfs_logmgr.c:1342 open_inline_log fs/jfs/jfs_logmgr.c:1183 [inline] lmLogOpen+0x2db/0x8f0 fs/jfs/jfs_logmgr.c:1077 jfs_mount_rw+0x7c/0x270 fs/jfs/jfs_mount.c:259 jfs_fill_super+0x36b/0x570 fs/jfs/super.c:571 mount_bdev+0x1e8/0x290 fs/super.c:1417 jfs_do_mount+0x2d/0x40 fs/jfs/super.c:676 legacy_get_tree+0x70/0xc0 fs/fs_context.c:592 vfs_get_tree+0x4d/0x1a0 fs/super.c:1547 do_new_mount fs/namespace.c:2875 [inline] path_mount+0x118d/0x1c70 fs/namespace.c:3192 do_mount fs/namespace.c:3205 [inline] __do_sys_mount fs/namespace.c:3413 [inline] __se_sys_mount+0x126/0x180 fs/namespace.c:3390 __x64_sys_mount+0x63/0x70 fs/namespace.c:3390 do_syscall_64+0x39/0x80 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xa9 Reported by Kernel Concurrency Sanitizer on: CPU: 1 PID: 28770 Comm: syz-executor.0 Not tainted 5.9.0-rc6-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ==================================================================