Hello, syzbot found the following issue on:
HEAD commit: e9919e11 Merge branch 'for-linus' of git://git.kernel.org/.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=11dca4cf100000 kernel config: https://syzkaller.appspot.com/x/.config?x=e944500a36bc4d55 dashboard link: https://syzkaller.appspot.com/bug?extid=29454675f5fe94137999 compiler: clang version 10.0.0 (https://github.com/llvm/llvm-project/ c2443155a0fb245c8f17f2c1c72b6ea391e86e81) Unfortunately, I don't have any reproducer for this issue yet. IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+29454675f5fe94137...@syzkaller.appspotmail.com ------------[ cut here ]------------ DEBUG_LOCKS_WARN_ON(!irqs_disabled()) WARNING: CPU: 0 PID: 7015 at kernel/locking/lockdep.c:3745 lockdep_hardirqs_off+0x8f/0xa0 kernel/locking/lockdep.c:3745 Kernel panic - not syncing: panic_on_warn set ... CPU: 0 PID: 7015 Comm: syz-executor.2 Not tainted 5.8.0-rc5-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1f0/0x31e lib/dump_stack.c:118 panic+0x264/0x7a0 kernel/panic.c:231 __warn+0x227/0x250 kernel/panic.c:600 report_bug+0x1b1/0x2e0 lib/bug.c:198 handle_bug+0x42/0x80 arch/x86/kernel/traps.c:235 exc_invalid_op+0x16/0x40 arch/x86/kernel/traps.c:255 asm_exc_invalid_op+0x12/0x20 arch/x86/include/asm/idtentry.h:542 RIP: 0010:lockdep_hardirqs_off+0x8f/0xa0 kernel/locking/lockdep.c:3745 Code: 41 5e c3 e8 c3 07 00 00 85 c0 74 f3 83 3d ac e1 6f 01 00 75 ea 48 c7 c7 26 0a 07 89 48 c7 c6 46 9a 08 89 31 c0 e8 e1 c3 28 f9 <0f> 0b eb d1 0f 1f 00 66 2e 0f 1f 84 00 00 00 00 00 55 41 57 41 56 RSP: 0018:ffffc90004957f20 EFLAGS: 00010246 RAX: 516cfadac3d71d00 RBX: ffff8880611fe500 RCX: ffff8880611fe500 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000282 RBP: 0000000000000000 R08: ffffffff817a2fd0 R09: fffffbfff129cee5 R10: fffffbfff129cee5 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: ffffffff88400078 R15: ffffc90004957f58 enter_from_user_mode arch/x86/entry/common.c:100 [inline] do_syscall_64+0x18/0xe0 arch/x86/entry/common.c:374 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x45f9ea Code: Bad RIP value. RSP: 002b:00007ffd3fa384e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e4 RAX: ffffffffffffffda RBX: 000000000002d52f RCX: 000000000045f9ea RDX: 0000000000000000 RSI: 00007ffd3fa384f0 RDI: 0000000000000001 RBP: 00000000000000c9 R08: 0000000000000001 R09: 0000000002ca9940 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000009 R13: 00007ffd3fa38550 R14: 000000000002d505 R15: 00007ffd3fa38560 Kernel Offset: disabled Rebooting in 86400 seconds.. --- This report 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 syzkal...@googlegroups.com. syzbot will keep track of this issue. See: https://goo.gl/tpsmEJ#status for how to communicate with syzbot.
