search for: 881d65229ca4f9ae8c84

...commit: 67faabbde36b selftests/bpf: Add missing prototypes for sev.. git tree: bpf-next console+strace: https://syzkaller.appspot.com/x/log.txt?x=1381363b280000 kernel config: https://syzkaller.appspot.com/x/.config?x=5335204dcdecfda dashboard link: https://syzkaller.appspot.com/bug?extid=881d65229ca4f9ae8c84 compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=132faf93280000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=10532add280000 Downloadable assets: disk image: https://storage.google...

...reasonable proposal. This patch changes all related call sites to maintain the reversed order of the two locks: 1) rtnl_lock => 2) br_ioctl_mutex By doing so, the extra reference introduced in dev_ioctl is no longer needed, and hence the reference leak bug is now resolved. Reported-by: syzbot+881d65229ca4f9ae8c84 at syzkaller.appspotmail.com Fixes: ad2f99aedf8f ("net: bridge: move bridge ioctls out of .ndo_do_ioctl") Signed-off-by: Ziqi Zhao <astrajoan at yahoo.com> --- net/bridge/br_ioctl.c | 4 ---- net/core/dev_ioctl.c | 8 +------- net/socket.c | 2 ++ 3 files changed, 3 inser...

...t longer but then released, so the device is deleted later. I might be remembering wrong, but I think I briefly looked into this when it was reported. If that's not the case I'd be interested to see a new report/trace because the bug might be somewhere else. > > Reported-by: syzbot+881d65229ca4f9ae8c84 at syzkaller.appspotmail.com > Fixes: ad2f99aedf8f ("net: bridge: move bridge ioctls out of .ndo_do_ioctl") > Signed-off-by: Ziqi Zhao <astrajoan at yahoo.com> > --- > net/bridge/br_ioctl.c | 4 ---- > net/core/dev_ioctl.c | 8 +------- > net/socket.c...