general protection fault in qlist_free

Kernel	Title	Repro	Cause bisect	Fix bisect	Count	Last	Reported	Patched	Status
upstream	general protection fault in qlist_free_all mm				1	2394d	2394d	0/26	closed as invalid on 2017/10/18 09:51
upstream	general protection fault in qlist_free_all (4) net				16	2107d	2216d	0/26	auto-closed as invalid on 2019/02/22 10:34

kasan: CONFIG_KASAN_INLINE enabled kasan: GPF could be caused by NULL-ptr deref or user memory access general protection fault: 0000 [#1] SMP KASAN Dumping ftrace buffer: (ftrace buffer empty) Modules linked in: CPU: 1 PID: 3262 Comm: syz-executor0 Not tainted 4.14.0+ #179 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 task: ffff8801c6d0a100 task.stack: ffff8801ba8d8000 RIP: 0010:virt_to_head_page include/linux/mm.h:613 [inline] RIP: 0010:qlink_to_cache mm/kasan/quarantine.c:127 [inline] RIP: 0010:qlist_free_all+0x12b/0x160 mm/kasan/quarantine.c:163 RSP: 0018:ffff8801ba8dfcb0 EFLAGS: 00010207 RAX: fac001560000727d RBX: 0000000000000282 RCX: ffffea0000000000 RDX: 03eaebe5580001c0 RSI: ffff8801c6d0a988 RDI: 0000000000000282 RBP: ffff8801ba8dfce8 R08: 00000000071ae180 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: fac001560000727d R15: ffffffff85ccb980 FS: 00000000021dc940(0000) GS:ffff8801db500000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000a6e958 CR3: 00000001c7a15000 CR4: 00000000001426e0 DR0: 0000000020000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 Call Trace: quarantine_reduce+0x141/0x170 mm/kasan/quarantine.c:259 kasan_kmalloc+0xca/0xe0 mm/kasan/kasan.c:536 kasan_slab_alloc+0x12/0x20 mm/kasan/kasan.c:489 slab_post_alloc_hook mm/slab.h:442 [inline] slab_alloc mm/slab.c:3385 [inline] kmem_cache_alloc+0x11b/0x760 mm/slab.c:3545 getname_flags+0xcb/0x580 fs/namei.c:138 getname+0x19/0x20 fs/namei.c:209 do_sys_open+0x2e7/0x6d0 fs/open.c:1053 SYSC_open fs/open.c:1077 [inline] SyS_open+0x2d/0x40 fs/open.c:1072 entry_SYSCALL_64_fastpath+0x1f/0x96 RIP: 0033:0x450a20 RSP: 002b:0000000000a6e8b0 EFLAGS: 00000202 ORIG_RAX: 0000000000000002 RAX: ffffffffffffffda RBX: 00000000021dc914 RCX: 0000000000450a20 RDX: 0000000000003840 RSI: 0000000000090800 RDI: 0000000000a6fa50 RBP: 0000000000000082 R08: 0000000000000001 R09: 00000000021dc940 R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000003840 R13: 0000000000000000 R14: 00000000000f7bd3 R15: 0000000000000010 Code: 00 00 00 80 48 01 c2 72 44 48 b9 00 00 00 80 ff 77 00 00 48 01 ca 48 b9 00 00 00 00 00 ea ff ff 48 c1 ea 0c 48 c1 e2 06 48 01 ca <48> 8b 4a 20 48 8d 71 ff 83 e1 01 48 0f 45 d6 4c 8b 6a 30 e9 f4 RIP: virt_to_head_page include/linux/mm.h:613 [inline] RSP: ffff8801ba8dfcb0 RIP: qlink_to_cache mm/kasan/quarantine.c:127 [inline] RSP: ffff8801ba8dfcb0 RIP: qlist_free_all+0x12b/0x160 mm/kasan/quarantine.c:163 RSP: ffff8801ba8dfcb0 ---[ end trace 1b367fe4b3a49c42 ]--- Kernel panic - not syncing: Fatal exception Dumping ftrace buffer: (ftrace buffer empty) Kernel Offset: disabled Rebooting in 86400 seconds..