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================================================================== BUG: KCSAN: data-race in l2cap_chan_connect / l2cap_sock_bind write to 0xffff88811c45f41e of 1 bytes by task 17884 on cpu 1: l2cap_sock_bind+0x30e/0x520 net/bluetooth/l2cap_sock.c:133 __sys_bind+0x15b/0x1d0 net/socket.c:1847 __do_sys_bind net/socket.c:1858 [inline] __se_sys_bind net/socket.c:1856 [inline] __x64_sys_bind+0x41/0x50 net/socket.c:1856 x64_sys_call+0x25b5/0x2d70 arch/x86/include/generated/asm/syscalls_64.h:50 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 0xffff88811c45f41e of 1 bytes by task 17885 on cpu 0: l2cap_chan_connect+0x4c/0x980 net/bluetooth/l2cap_core.c:6960 l2cap_sock_connect+0x3c4/0x450 net/bluetooth/l2cap_sock.c:256 __sys_connect_file net/socket.c:2049 [inline] __sys_connect+0x1a9/0x1c0 net/socket.c:2066 __do_sys_connect net/socket.c:2076 [inline] __se_sys_connect net/socket.c:2073 [inline] __x64_sys_connect+0x41/0x50 net/socket.c:2073 x64_sys_call+0x2961/0x2d70 arch/x86/include/generated/asm/syscalls_64.h:43 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: 0x00 -> 0x01 Reported by Kernel Concurrency Sanitizer on: CPU: 0 PID: 17885 Comm: syz-executor.1 Not tainted 6.10.0-rc2-syzkaller-00022-g32f88d65f01b #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 ==================================================================
Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2024/06/05 01:50 | upstream | 32f88d65f01b | e1e2c66e | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-kcsan-gce | KCSAN: data-race in l2cap_chan_connect / l2cap_sock_bind |