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================================================================== BUG: KCSAN: data-race in sock_alloc_send_pskb / unix_release_sock write to 0xffff88802b46a66a of 1 bytes by task 15603 on cpu 1: unix_release_sock+0x25e/0x650 net/unix/af_unix.c:548 unix_release+0x2f/0x50 net/unix/af_unix.c:859 __sock_release net/socket.c:597 [inline] sock_close+0x6c/0x150 net/socket.c:1256 __fput+0x24b/0x4e0 fs/file_table.c:280 ____fput+0x11/0x20 fs/file_table.c:313 task_work_run+0x8e/0x110 kernel/task_work.c:140 tracehook_notify_resume include/linux/tracehook.h:189 [inline] exit_to_user_mode_loop kernel/entry/common.c:174 [inline] exit_to_user_mode_prepare+0x16b/0x1a0 kernel/entry/common.c:201 __syscall_exit_to_user_mode_work kernel/entry/common.c:291 [inline] syscall_exit_to_user_mode+0x20/0x40 kernel/entry/common.c:302 do_syscall_64+0x45/0x80 arch/x86/entry/common.c:56 entry_SYSCALL_64_after_hwframe+0x44/0xa9 read to 0xffff88802b46a66a of 1 bytes by task 15609 on cpu 0: sock_alloc_send_pskb+0x109/0x4e0 net/core/sock.c:2333 unix_dgram_sendmsg+0x485/0x1660 net/unix/af_unix.c:1670 unix_seqpacket_sendmsg+0xc2/0x100 net/unix/af_unix.c:2054 sock_sendmsg_nosec net/socket.c:652 [inline] sock_sendmsg net/socket.c:672 [inline] ____sys_sendmsg+0x352/0x4c0 net/socket.c:2345 ___sys_sendmsg net/socket.c:2399 [inline] __sys_sendmmsg+0x335/0x4b0 net/socket.c:2489 __do_sys_sendmmsg net/socket.c:2518 [inline] __se_sys_sendmmsg net/socket.c:2515 [inline] __x64_sys_sendmmsg+0x53/0x60 net/socket.c:2515 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: 15609 Comm: syz-executor.0 Not tainted 5.11.0-rc3-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 |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2021/01/12 05:59 | upstream | a0d54b4f5b21 | 2c1f2513 | .config | console log | report | info | ci2-upstream-kcsan-gce | ||||
2020/12/31 21:50 | upstream | f6e1ea196492 | 79264ae3 | .config | console log | report | info | ci2-upstream-kcsan-gce | ||||
2020/12/26 19:22 | upstream | 40f78232f973 | 821e0b09 | .config | console log | report | info | ci2-upstream-kcsan-gce | ||||
2020/12/18 08:21 | upstream | d64c6f96ba86 | 04201c06 | .config | console log | report | info | ci2-upstream-kcsan-gce | ||||
2020/12/17 02:20 | upstream | 5e60366d56c6 | 04201c06 | .config | console log | report | info | ci2-upstream-kcsan-gce | ||||
2020/12/16 05:23 | upstream | d635a69dd498 | f213e07e | .config | console log | report | info | ci2-upstream-kcsan-gce | ||||
2020/12/08 02:12 | upstream | cd796ed33450 | 51a9082e | .config | console log | report | info | ci2-upstream-kcsan-gce | ||||
2020/11/29 10:21 | upstream | 67f34fa8893e | a0092f9d | .config | console log | report | info | ci2-upstream-kcsan-gce | ||||
2020/11/28 01:03 | upstream | 85a2c56cb445 | 486f93ef | .config | console log | report | info | ci2-upstream-kcsan-gce | ||||
2020/11/16 17:02 | upstream | 09162bc32c88 | 1bf9a662 | .config | console log | report | info | ci2-upstream-kcsan-gce | ||||
2020/11/15 23:24 | upstream | 0062442ecfef | 1bf9a662 | .config | console log | report | info | ci2-upstream-kcsan-gce | ||||
2020/11/10 14:03 | upstream | 407ab579637c | cca87986 | .config | console log | report | info | ci2-upstream-kcsan-gce | ||||
2020/11/09 01:43 | upstream | 9dbc1c03eeb5 | cba33199 | .config | console log | report | info | ci2-upstream-kcsan-gce | ||||
2020/11/08 00:07 | upstream | 659caaf65dc9 | cba33199 | .config | console log | report | info | ci2-upstream-kcsan-gce | ||||
2020/11/06 09:23 | upstream | 521b619acdc8 | cba33199 | .config | console log | report | info | ci2-upstream-kcsan-gce | ||||
2020/11/04 14:50 | upstream | 4ef8451b3326 | cba33199 | .config | console log | report | info | ci2-upstream-kcsan-gce | ||||
2020/10/14 20:15 | upstream | b5fc7a89e58b | fc7735a2 | .config | console log | report | info | ci2-upstream-kcsan-gce | ||||
2020/10/13 14:05 | upstream | 865c50e1d279 | bd69ee0d | .config | console log | report | info | ci2-upstream-kcsan-gce | ||||
2020/10/07 17:44 | upstream | c85fb28b6f99 | 1880b4a9 | .config | console log | report | info | ci2-upstream-kcsan-gce | ||||
2020/10/01 12:38 | upstream | 60e720931556 | 4103fce0 | .config | console log | report | info | ci2-upstream-kcsan-gce |