lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
Open Source and information security mailing list archives
| ||
|
Date: Mon, 25 Mar 2019 01:00:05 -0700 From: syzbot <syzbot+740dcc3824577fb40563@...kaller.appspotmail.com> To: linux-kernel@...r.kernel.org, syzkaller-bugs@...glegroups.com Subject: WARNING in zap_class Hello, syzbot found the following crash on: HEAD commit: babf09c3 Merge tag 'tag-chrome-platform-fixes-for-v5.1-rc2.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=1509f28b200000 kernel config: https://syzkaller.appspot.com/x/.config?x=9a31fb246de2a622 dashboard link: https://syzkaller.appspot.com/bug?extid=740dcc3824577fb40563 compiler: gcc (GCC) 9.0.0 20181231 (experimental) Unfortunately, I don't have any reproducer for this crash yet. IMPORTANT: if you fix the bug, please add the following tag to the commit: Reported-by: syzbot+740dcc3824577fb40563@...kaller.appspotmail.com WARNING: CPU: 0 PID: 24046 at kernel/locking/lockdep.c:4548 remove_class_from_lock_chain kernel/locking/lockdep.c:4528 [inline] WARNING: CPU: 0 PID: 24046 at kernel/locking/lockdep.c:4548 remove_class_from_lock_chains kernel/locking/lockdep.c:4568 [inline] WARNING: CPU: 0 PID: 24046 at kernel/locking/lockdep.c:4548 zap_class+0x741/0xe20 kernel/locking/lockdep.c:4607 Kernel panic - not syncing: panic_on_warn set ... CPU: 0 PID: 24046 Comm: kworker/0:1 Not tainted 5.1.0-rc1+ #30 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: events pwq_unbound_release_workfn Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x172/0x1f0 lib/dump_stack.c:113 panic+0x2cb/0x65c kernel/panic.c:214 __warn.cold+0x20/0x45 kernel/panic.c:571 report_bug+0x263/0x2b0 lib/bug.c:186 fixup_bug arch/x86/kernel/traps.c:179 [inline] fixup_bug arch/x86/kernel/traps.c:174 [inline] do_error_trap+0x11b/0x200 arch/x86/kernel/traps.c:272 do_invalid_op+0x37/0x50 arch/x86/kernel/traps.c:291 invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:973 RIP: 0010:remove_class_from_lock_chain kernel/locking/lockdep.c:4548 [inline] RIP: 0010:remove_class_from_lock_chains kernel/locking/lockdep.c:4568 [inline] RIP: 0010:zap_class+0x741/0xe20 kernel/locking/lockdep.c:4607 Code: 0f b6 14 38 4c 89 e0 83 e0 07 83 c0 01 38 d0 0f 8c 79 ff ff ff 84 d2 0f 84 71 ff ff ff 4c 89 e7 e8 04 e8 51 00 e9 64 ff ff ff <0f> 0b e8 78 82 d6 01 e9 4e fb ff ff 48 89 55 c0 4c 89 4d c8 e8 26 RSP: 0018:ffff88807a9e7c10 EFLAGS: 00010012 RAX: 0000000000010000 RBX: 11a523fb5c4fd01d RCX: ffffffff832ee40e RDX: 00000000000035a5 RSI: ffffffff832ee45a RDI: 0000000000000006 RBP: ffff88807a9e7c68 R08: ffff88805a856280 R09: ffffffff8a08a408 R10: 0000000000960392 R11: 0000000003920adb R12: ffffffff89c19ec8 R13: 0000000000000000 R14: ffffffff89c19ec0 R15: dffffc0000000000 __lockdep_free_key_range+0x64/0x120 kernel/locking/lockdep.c:4730 lockdep_unregister_key+0x201/0x4c0 kernel/locking/lockdep.c:4926 wq_unregister_lockdep kernel/workqueue.c:3455 [inline] pwq_unbound_release_workfn+0x233/0x2f0 kernel/workqueue.c:3675 process_one_work+0x98e/0x1790 kernel/workqueue.c:2269 worker_thread+0x98/0xe40 kernel/workqueue.c:2415 kthread+0x357/0x430 kernel/kthread.c:253 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:352 Kernel Offset: disabled Rebooting in 86400 seconds.. --- 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@...glegroups.com. syzbot will keep track of this bug report. See: https://goo.gl/tpsmEJ#status for how to communicate with syzbot.
Powered by blists - more mailing lists