On Mon, May 18, 2020 at 9:27 AM syzbot <syzbot+347e2331d03d06ab0224@xxxxxxxxxxxxxxxxxxxxxxxxx> wrote: > > Hello, > > syzbot found the following crash on: > > HEAD commit: ac935d22 Add linux-next specific files for 20200415 > git tree: linux-next > console output: https://syzkaller.appspot.com/x/log.txt?x=14b66e6e100000 > kernel config: https://syzkaller.appspot.com/x/.config?x=bc498783097e9019 > dashboard link: https://syzkaller.appspot.com/bug?extid=347e2331d03d06ab0224 > compiler: gcc (GCC) 9.0.0 20181231 (experimental) > syz repro: https://syzkaller.appspot.com/x/repro.syz?x=12d18e6e100000 > C reproducer: https://syzkaller.appspot.com/x/repro.c?x=104170d6100000 > > IMPORTANT: if you fix the bug, please add the following tag to the commit: > Reported-by: syzbot+347e2331d03d06ab0224@xxxxxxxxxxxxxxxxxxxxxxxxx This seems to be related to the mmap/mremap calls, +mm/mmap.c maintainers. > BUG: Bad rss-counter state mm:00000000a67744c9 type:MM_ANONPAGES val:1 > BUG: Bad rss-counter state mm:00000000f49d6d70 type:MM_ANONPAGES val:1 > BUG: Bad rss-counter state mm:0000000006212dd2 type:MM_ANONPAGES val:1 > BUG: Bad rss-counter state mm:00000000b6ae35d3 type:MM_ANONPAGES val:1 > BUG: Bad rss-counter state mm:00000000d44d5c2e type:MM_ANONPAGES val:1 > BUG: Bad rss-counter state mm:0000000023502204 type:MM_ANONPAGES val:1 > BUG: Bad rss-counter state mm:000000001a912a5c type:MM_ANONPAGES val:1 > BUG: Bad rss-counter state mm:0000000072bd9e23 type:MM_ANONPAGES val:1 > BUG: Bad rss-counter state mm:0000000053ee80f7 type:MM_ANONPAGES val:1 > BUG: Bad rss-counter state mm:000000003cc0aff9 type:MM_ANONPAGES val:1 > BUG: Bad rss-counter state mm:000000005a4ef043 type:MM_ANONPAGES val:1 > BUG: Bad rss-counter state mm:00000000fe0ab895 type:MM_ANONPAGES val:1 > BUG: Bad rss-counter state mm:00000000863004ed type:MM_ANONPAGES val:1 > BUG: Bad rss-counter state mm:0000000064449491 type:MM_ANONPAGES val:1 > BUG: Bad rss-counter state mm:00000000f6a209ff type:MM_ANONPAGES val:1 > BUG: Bad rss-counter state mm:000000008100dc4b type:MM_ANONPAGES val:1 > BUG: Bad rss-counter state mm:00000000f80eb0e8 type:MM_ANONPAGES val:1 > BUG: Bad rss-counter state mm:00000000475e50a5 type:MM_ANONPAGES val:1 > BUG: Bad rss-counter state mm:00000000f2f5edcf type:MM_ANONPAGES val:1 > BUG: Bad rss-counter state mm:00000000bf721456 type:MM_ANONPAGES val:1 > BUG: Bad rss-counter state mm:00000000d8d29ec3 type:MM_ANONPAGES val:1 > BUG: Bad rss-counter state mm:00000000b5dff60e type:MM_ANONPAGES val:1 > BUG: Bad rss-counter state mm:000000001f0fe928 type:MM_ANONPAGES val:1 > BUG: Bad rss-counter state mm:000000006fc01973 type:MM_ANONPAGES val:1 > > > --- > This bug is generated by a bot. It may contain errors. > See https://goo.gl/tpsmEJ for more information about syzbot. > syzbot engineers can be reached at syzkaller@xxxxxxxxxxxxxxxx. > > syzbot will keep track of this bug report. See: > https://goo.gl/tpsmEJ#status for how to communicate with syzbot. > syzbot can test patches for this bug, for details see: > https://goo.gl/tpsmEJ#testing-patches > > -- > You received this message because you are subscribed to the Google Groups "syzkaller-bugs" group. > To unsubscribe from this group and stop receiving emails from it, send an email to syzkaller-bugs+unsubscribe@xxxxxxxxxxxxxxxx. > To view this discussion on the web visit https://groups.google.com/d/msgid/syzkaller-bugs/000000000000ada39605a5e71711%40google.com.
