Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
---|---|---|---|---|---|---|---|---|---|
upstream | KCSAN: data-race in sk_set_memalloc / sock_xmit nbd | 1 | 1334d | 1334d | 0/26 | auto-closed as invalid on 2020/10/16 00:42 |
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Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
---|---|---|---|---|---|---|---|---|---|
upstream | KCSAN: data-race in sk_set_memalloc / sock_xmit nbd | 1 | 1334d | 1334d | 0/26 | auto-closed as invalid on 2020/10/16 00:42 |
================================================================== BUG: KCSAN: data-race in sk_set_memalloc / sock_xmit write to 0xffff88813b5eea08 of 4 bytes by task 2033 on cpu 1: sock_xmit+0x108/0x2d0 drivers/block/nbd.c:493 nbd_read_stat+0xa6/0x9b0 drivers/block/nbd.c:692 recv_work+0x4c/0x190 drivers/block/nbd.c:791 process_one_work+0x3e1/0x950 kernel/workqueue.c:2272 worker_thread+0x635/0xb90 kernel/workqueue.c:2418 kthread+0x1fa/0x220 kernel/kthread.c:292 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:296 read-write to 0xffff88813b5eea08 of 4 bytes by task 10561 on cpu 0: sk_set_memalloc+0x3a/0x50 net/core/sock.c:296 nbd_start_device+0x469/0x720 drivers/block/nbd.c:1300 nbd_start_device_ioctl drivers/block/nbd.c:1320 [inline] __nbd_ioctl drivers/block/nbd.c:1408 [inline] nbd_ioctl+0x2f9/0x780 drivers/block/nbd.c:1448 __blkdev_driver_ioctl block/ioctl.c:228 [inline] blkdev_ioctl+0x1d6/0x3f0 block/ioctl.c:623 block_ioctl+0x6d/0x80 fs/block_dev.c:1869 vfs_ioctl fs/ioctl.c:48 [inline] __do_sys_ioctl fs/ioctl.c:753 [inline] __se_sys_ioctl+0xcb/0x140 fs/ioctl.c:739 __x64_sys_ioctl+0x3f/0x50 fs/ioctl.c:739 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: 0 PID: 10561 Comm: syz-executor.3 Not tainted 5.9.0-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 |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2020/10/23 21:38 | upstream | 0adc313c4f20 | 2bb6666c | .config | console log | report | info | ci2-upstream-kcsan-gce |