| TITLE: general protection fault in shrink_slab |
| |
| [ 415.516184] kasan: CONFIG_KASAN_INLINE enabled |
| [ 415.520916] kasan: GPF could be caused by NULL-ptr deref or user memory access |
| [ 415.528301] general protection fault: 0000 [#1] SMP KASAN |
| [ 415.533831] CPU: 1 PID: 25645 Comm: syz-executor2 Not tainted 4.18.0-rc4-next-20180713+ #7 |
| [ 415.542209] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 |
| [ 415.551551] RIP: 0010:__x86_indirect_thunk_rax+0x10/0x20 |
| [ 415.556973] Code: 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 e8 07 00 00 00 f3 90 0f ae e8 eb f9 48 89 04 24 <c3> 0f 1f 44 00 00 66 2e 0f 1f 84 00 00 00 00 00 e8 07 00 00 00 f3 |
| [ 415.576129] RSP: 0018:ffff880182546f00 EFLAGS: 00010246 |
| [ 415.581478] RAX: 1ffff10036868ddf RBX: dffffc0000000000 RCX: ffffc90002a1a000 |
| [ 415.588739] RDX: 1ffff10036868dd6 RSI: ffff880182547188 RDI: ffff8801b4346eb0 |
| [ 415.595993] RBP: ffff8801825470f8 R08: ffff880190cd6500 R09: ffffed003ae45fd0 |
| [ 415.603268] R10: ffffed003ae45fd0 R11: ffff8801d722fe87 R12: ffff880182547188 |
| [ 415.610518] R13: ffff8801b4346eb0 R14: ffff8801b4346ed8 R15: ffff8801b4347040 |
| [ 415.617768] FS: 00007f87a801a700(0000) GS:ffff8801daf00000(0000) knlGS:0000000000000000 |
| [ 415.625981] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 |
| [ 415.631855] CR2: 000000000047a9b0 CR3: 00000001cfa25000 CR4: 00000000001406e0 |
| [ 415.639112] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 |
| [ 415.646361] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 |
| [ 415.653619] Call Trace: |
| [ 415.700128] shrink_slab+0x861/0xa60 |
| [ 415.736752] shrink_node+0x429/0x16a0 |
| [ 415.767765] do_try_to_free_pages+0x3e7/0x1290 |
| [ 415.794550] try_to_free_mem_cgroup_pages+0x49d/0xc90 |
| [ 415.857905] memory_high_write+0x283/0x310 |
| [ 415.875049] cgroup_file_write+0x31f/0x840 |
| [ 415.894025] kernfs_fop_write+0x2ba/0x480 |
| [ 415.898161] __vfs_write+0x117/0x9d0 |
| [ 415.933127] vfs_write+0x1fc/0x560 |
| [ 415.936647] ksys_write+0x101/0x260 |
| [ 415.953426] __x64_sys_write+0x73/0xb0 |
| [ 415.957304] do_syscall_64+0x1b9/0x820 |
| [ 415.994971] entry_SYSCALL_64_after_hwframe+0x49/0xbe |
| [ 416.000141] RIP: 0033:0x455ab9 |
| [ 416.003311] Code: 1d ba fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 eb b9 fb ff c3 66 2e 0f 1f 84 00 00 00 00 |
| [ 416.022437] RSP: 002b:00007f87a8019c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 |
| [ 416.030125] RAX: ffffffffffffffda RBX: 00007f87a801a6d4 RCX: 0000000000455ab9 |
| [ 416.037375] RDX: 0000000000000001 RSI: 0000000020000000 RDI: 0000000000000015 |
| [ 416.044652] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 |
| [ 416.051915] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff |
| [ 416.059186] R13: 00000000004c2c77 R14: 00000000004d4c80 R15: 0000000000000000 |
| [ 416.066456] Modules linked in: |
| [ 416.069646] Dumping ftrace buffer: |
| [ 416.073179] (ftrace buffer empty) |
| [ 416.076938] ---[ end trace 762a7777a52cea47 ]--- |
| [ 416.081720] RIP: 0010:__x86_indirect_thunk_rax+0x10/0x20 |
| [ 416.087182] Code: 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 e8 07 00 00 00 f3 90 0f ae e8 eb f9 48 89 04 24 <c3> 0f 1f 44 00 00 66 2e 0f 1f 84 00 00 00 00 00 e8 07 00 00 00 f3 |
| [ 416.106465] RSP: 0018:ffff880182546f00 EFLAGS: 00010246 |
| [ 416.106479] RAX: 1ffff10036868ddf RBX: dffffc0000000000 RCX: ffffc90002a1a000 |
| [ 416.106489] RDX: 1ffff10036868dd6 RSI: ffff880182547188 RDI: ffff8801b4346eb0 |
| [ 416.106498] RBP: ffff8801825470f8 R08: ffff880190cd6500 R09: ffffed003ae45fd0 |
| [ 416.106507] R10: ffffed003ae45fd0 R11: ffff8801d722fe87 R12: ffff880182547188 |
| [ 416.106516] R13: ffff8801b4346eb0 R14: ffff8801b4346ed8 R15: ffff8801b4347040 |
| [ 416.106528] FS: 00007f87a801a700(0000) GS:ffff8801daf00000(0000) knlGS:0000000000000000 |
| [ 416.106537] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 |
| [ 416.106546] CR2: 000000000047a9b0 CR3: 00000001cfa25000 CR4: 00000000001406e0 |
| [ 416.106556] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 |
| [ 416.106564] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 |
| [ 416.106571] Kernel panic - not syncing: Fatal exception |
| [ 416.107052] Dumping ftrace buffer: |
| [ 416.107057] (ftrace buffer empty) |
| [ 416.107061] Kernel Offset: disabled |
| [ 416.200510] Rebooting in 86400 seconds.. |
