On Mon, Apr 23, 2018 at 12:10 PM, syzbot <syzbot+e073e4740cfbb3ae200b@xxxxxxxxxxxxxxxxxxxxxxxxx> wrote: > Hello, > > syzbot hit the following crash on upstream commit > 5ec83b22a2dd13180762c89698e4e2c2881a423c (Sun Apr 22 19:13:04 2018 +0000) > Merge tag '4.17-rc1-SMB3-CIFS' of git://git.samba.org/sfrench/cifs-2.6 > syzbot dashboard link: > https://syzkaller.appspot.com/bug?extid=e073e4740cfbb3ae200b > > C reproducer: https://syzkaller.appspot.com/x/repro.c?id=6509307940044800 > syzkaller reproducer: > https://syzkaller.appspot.com/x/repro.syz?id=6027105183727616 > Raw console output: > https://syzkaller.appspot.com/x/log.txt?id=4763013630394368 > Kernel config: > https://syzkaller.appspot.com/x/.config?id=1808800213120130118 > compiler: gcc (GCC) 8.0.1 20180413 (experimental) There are 2 similar bugs reported: https://syzkaller.appspot.com/bug?id=4fcc07e4e85fc6c1d5472fcc8ab5a35db01972dc https://syzkaller.appspot.com/bug?id=bed7a7acabe08fe69a89a4225572911a32598651 They all seem to point to crypto/SHA3/K512_4. +crypto maintainers > IMPORTANT: if you fix the bug, please add the following tag to the commit: > Reported-by: syzbot+e073e4740cfbb3ae200b@xxxxxxxxxxxxxxxxxxxxxxxxx > It will help syzbot understand when the bug is fixed. See footer for > details. > If you forward the report, please keep this part and the footer. > > (ptrval): 0000000000445649 (0x445649) > (ptrval): 0000000000000033 (0x33) > (ptrval): 0000000000000216 (0x216) > (ptrval): 00007f155536eda8 (0x7f155536eda8) > (ptrval): 000000000000002b (0x2b) > WARNING: kernel stack regs at (ptrval) in syzkaller547737:4493 has > bad 'bp' value (ptrval) > WARNING: kernel stack frame pointer at (ptrval) in > syzkaller547737:4496 has bad value (ptrval) > > > --- > This bug is generated by a dumb bot. It may contain errors. > See https://goo.gl/tpsmEJ for details. > Direct all questions to syzkaller@xxxxxxxxxxxxxxxx. > > syzbot will keep track of this bug report. > If you forgot to add the Reported-by tag, once the fix for this bug is > merged > into any tree, please reply to this email with: > #syz fix: exact-commit-title > If you want to test a patch for this bug, please reply with: > #syz test: git://repo/address.git branch > and provide the patch inline or as an attachment. > To mark this as a duplicate of another syzbot report, please reply with: > #syz dup: exact-subject-of-another-report > If it's a one-off invalid bug report, please reply with: > #syz invalid > Note: if the crash happens again, it will cause creation of a new bug > report. > Note: all commands must start from beginning of the line in the email body. > > -- > 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/000000000000af09f3056a813d2d%40google.com. > For more options, visit https://groups.google.com/d/optout.
