syzbot


WARNING in mmap_region

Status: auto-closed as invalid on 2020/10/05 15:32
Reported-by: syzbot+15cae06bc999c16b23f6@syzkaller.appspotmail.com
First crash: 760d, last: 760d

Sample crash report:
 vfs_ioctl fs/ioctl.c:46 [inline]
 file_ioctl fs/ioctl.c:500 [inline]
 do_vfs_ioctl+0x75a/0xfe0 fs/ioctl.c:684
------------[ cut here ]------------
WARNING: CPU: 1 PID: 11952 at mm/util.c:604 __vm_enough_memory.cold+0x18/0x59 mm/util.c:604
 SYSC_ioctl fs/ioctl.c:701 [inline]
 SyS_ioctl+0x7f/0xb0 fs/ioctl.c:692
Kernel panic - not syncing: panic_on_warn set ...

 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x46/0xbb
RIP: 0033:0x45ca69
RSP: 002b:00007f32caa07c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00000000004efe40 RCX: 000000000045ca69
RDX: 0000000020000080 RSI: 00000000c020aa04 RDI: 0000000000000004
RBP: 000000000078bf00 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005
R13: 00000000000005bf R14: 00000000004c8827 R15: 00007f32caa086d4
CPU: 1 PID: 11952 Comm: syz-executor.5 Not tainted 4.14.183-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x1b2/0x283 lib/dump_stack.c:58
 panic+0x1f9/0x42d kernel/panic.c:183
 __warn.cold+0x2f/0x30 kernel/panic.c:547
 report_bug+0x20a/0x248 lib/bug.c:186
 fixup_bug arch/x86/kernel/traps.c:177 [inline]
 fixup_bug arch/x86/kernel/traps.c:172 [inline]
 do_error_trap+0x195/0x2d0 arch/x86/kernel/traps.c:295
 invalid_op+0x1b/0x40 arch/x86/entry/entry_64.S:964
RIP: 0010:__vm_enough_memory.cold+0x18/0x59 mm/util.c:604
RSP: 0018:ffff888051df7c78 EFLAGS: 00010282
RAX: 000000000000001b RBX: 0000000000000021 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff868c0980 RDI: ffffed100a3bef85
RBP: 0000000000000001 R08: 000000000000001b R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffff888053cc8c80
R13: ffffffff87bf9e00 R14: fff80000000541d0 R15: 0000000000000c69
 mmap_region+0x583/0x1060 mm/mmap.c:1667
 do_mmap+0x5b3/0xcb0 mm/mmap.c:1495
 do_mmap_pgoff include/linux/mm.h:2184 [inline]
 vm_mmap_pgoff+0x14e/0x1a0 mm/util.c:333
 SYSC_mmap_pgoff mm/mmap.c:1545 [inline]
 SyS_mmap_pgoff+0x3c5/0x510 mm/mmap.c:1503
 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x46/0xbb
RIP: 0033:0x45caba
RSP: 002b:00007ffd7ad15228 EFLAGS: 00000246 ORIG_RAX: 0000000000000009
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045caba
RDX: 0000000000000003 RSI: 0000000000021000 RDI: 0000000000000000
RBP: ffffffffffffffff R08: ffffffffffffffff R09: 0000000000000000
R10: 0000000000020022 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000021000 R14: 0000000000020022 R15: 0000000000000000
Kernel Offset: disabled
Rebooting in 86400 seconds..

Crashes (1):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci2-linux-4-14 2020/06/07 15:31 linux-4.14.y c6db52a88798 2c2b926c .config log report