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================================================================== BUG: KCSAN: data-race in __writeback_single_inode / inode_io_list_del write to 0xffff88814e14ec50 of 8 bytes by task 807 on cpu 1: inode_io_list_del+0xdc/0x2b0 fs/fs-writeback.c:1273 evict+0xac/0x3c0 fs/inode.c:573 iput_final fs/inode.c:1662 [inline] iput+0x430/0x580 fs/inode.c:1688 do_unlinkat+0x2a4/0x520 fs/namei.c:4176 __do_sys_unlink fs/namei.c:4217 [inline] __se_sys_unlink fs/namei.c:4215 [inline] __x64_sys_unlink+0x2c/0x30 fs/namei.c:4215 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3d/0x90 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae read to 0xffff88814e14ec50 of 8 bytes by task 1791 on cpu 0: __writeback_single_inode+0x46/0x440 fs/fs-writeback.c:1612 writeback_sb_inodes+0x563/0xd30 fs/fs-writeback.c:1881 wb_writeback+0x25d/0x6b0 fs/fs-writeback.c:2053 wb_do_writeback+0x101/0x510 fs/fs-writeback.c:2196 wb_workfn+0xc8/0x520 fs/fs-writeback.c:2237 process_one_work+0x402/0x910 kernel/workqueue.c:2297 worker_thread+0x636/0xae0 kernel/workqueue.c:2444 kthread+0x262/0x280 kernel/kthread.c:319 ret_from_fork+0x1f/0x30 value changed: 0x0000000000020081 -> 0x00000000000000a1 Reported by Kernel Concurrency Sanitizer on: CPU: 0 PID: 1791 Comm: kworker/u4:4 Not tainted 5.14.0-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: writeback wb_workfn (flush-8:0) ==================================================================
Manager | Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets | Title |
---|---|---|---|---|---|---|---|---|---|---|---|---|
ci2-upstream-kcsan-gce | 2021/09/08 08:47 | upstream | 0bcfe68b8767 | 064c9eb7 | .config | console log | report | info | KCSAN: data-race in __writeback_single_inode / inode_io_list_del | |||
ci2-upstream-kcsan-gce | 2021/09/04 21:56 | upstream | a9c9a6f741cd | d236a457 | .config | console log | report | info | KCSAN: data-race in __writeback_single_inode / inode_io_list_del | |||
ci2-upstream-kcsan-gce | 2021/08/13 07:45 | upstream | f8e6dfc64f61 | 3fd2ea69 | .config | console log | report | info | KCSAN: data-race in __writeback_single_inode / inode_io_list_del |