general protection fault in kernfs_kill

Title	Replies (including bot)	Last reply
Re: general protection fault in kernfs_kill_sb (2)	3 (3)	2018/05/15 00:17
general protection fault in kernfs_kill_sb (2)	2 (3)	2018/05/14 02:47

Title

Replies (including bot)

Last reply

Re: general protection fault in kernfs_kill_sb (2)

3 (3)

2018/05/15 00:17

general protection fault in kernfs_kill_sb (2)

2 (3)

2018/05/14 02:47

Kernel	Title	Repro	Cause bisect	Fix bisect	Count	Last	Reported	Patched	Status
linux-4.14	general protection fault in kernfs_kill_sb	C		error	163	798d	1827d	0/1	upstream: reported C repro on 2019/04/18 07:59
upstream	general protection fault in kernfs_kill_sb mm	C			29	2172d	2209d	5/26	fixed on 2018/05/08 18:30

RBP: 00007ffc558bda60 R08: 0000000000000000 R09: 0000000300000000 R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff R13: 0000000000000004 R14: 0000000000001380 R15: 00007ffc558bd2f8 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: 4540 Comm: syz-executor884 Not tainted 4.17.0-rc4+ #43 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:__list_del_entry_valid+0x84/0xf3 lib/list_debug.c:51 RSP: 0018:ffff8801aca6f860 EFLAGS: 00010246 RAX: dffffc0000000000 RBX: ffff8801ac528498 RCX: 0000000000000000 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801ac5284a0 RBP: ffff8801aca6f878 R08: fffffbfff11cc855 R09: fffffbfff11cc854 R10: ffff8801aca6f878 R11: ffffffff88e642a7 R12: 0000000000000000 R13: 0000000000000000 R14: ffff8801aca6f908 R15: ffff8801ac528498 FS: 0000000000f86880(0000) GS:ffff8801daf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000004b6f3c CR3: 00000001d9730000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __list_del_entry include/linux/list.h:117 [inline] list_del include/linux/list.h:125 [inline] kernfs_kill_sb+0xa0/0x350 fs/kernfs/mount.c:361 sysfs_kill_sb+0x22/0x40 fs/sysfs/mount.c:50 deactivate_locked_super+0x97/0x100 fs/super.c:316 kernfs_mount_ns+0x753/0x8e0 fs/kernfs/mount.c:335 sysfs_mount+0xdf/0x200 fs/sysfs/mount.c:36 mount_fs+0xae/0x328 fs/super.c:1267 vfs_kern_mount.part.34+0xd4/0x4d0 fs/namespace.c:1037 vfs_kern_mount fs/namespace.c:1027 [inline] do_new_mount fs/namespace.c:2518 [inline] do_mount+0x564/0x3070 fs/namespace.c:2848 ksys_mount+0x12d/0x140 fs/namespace.c:3064 __do_sys_mount fs/namespace.c:3078 [inline] __se_sys_mount fs/namespace.c:3075 [inline] __x64_sys_mount+0xbe/0x150 fs/namespace.c:3075 do_syscall_64+0x1b1/0x800 arch/x86/entry/common.c:287 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x4426a9 RSP: 002b:00007ffc558bd1b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004426a9 RDX: 00000000200000c0 RSI: 0000000020000080 RDI: 0000000020000040 RBP: 00007ffc558bda60 R08: 0000000000000000 R09: 0000000300000000 R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff R13: 0000000000000004 R14: 0000000000001380 R15: 00007ffc558bd2f8 Code: c5 0f 84 cc 00 00 00 48 b8 00 02 00 00 00 00 ad de 49 39 c4 0f 84 a5 00 00 00 48 b8 00 00 00 00 00 fc ff df 4c 89 e2 48 c1 ea 03 <80> 3c 02 00 75 5f 49 8b 14 24 48 39 da 0f 85 ba 00 00 00 48 b8 RIP: __list_del_entry_valid+0x84/0xf3 lib/list_debug.c:51 RSP: ffff8801aca6f860 ---[ end trace d148f307a34e229f ]---

Crashes (22):
Time	Kernel	Commit	Syzkaller	Config	Log	Report	Syz repro	C repro	Manager
2018/05/12 12:23	upstream	f0ab773f5c96	e726f42b	.config	console log	report	syz	C	ci-upstream-kasan-gce-root
2018/05/17 12:35	upstream	e6506eb24187	90c54c49	.config	console log	report			ci-upstream-kasan-gce-root
2018/05/16 17:26	upstream	21b9f1c7e319	75b2448a	.config	console log	report			ci-upstream-kasan-gce-root
2018/05/15 19:53	upstream	eeba2dfa6a0d	661fd7b9	.config	console log	report			ci-upstream-kasan-gce-root
2018/05/15 12:44	upstream	67b8d5c70812	661fd7b9	.config	console log	report			ci-upstream-kasan-gce-root
2018/05/12 12:07	upstream	f0ab773f5c96	e726f42b	.config	console log	report			ci-upstream-kasan-gce-root
2018/05/24 16:55	bpf-next	31ad39239f08	f48c20b8	.config	console log	report			ci-upstream-bpf-next-kasan-gce
2018/05/23 12:00	bpf-next	ff4fb475cea8	f48c20b8	.config	console log	report			ci-upstream-bpf-next-kasan-gce
2018/05/22 22:43	bpf-next	3fb48d881dbe	f48c20b8	.config	console log	report			ci-upstream-bpf-next-kasan-gce
2018/05/22 09:26	bpf-next	fd0bfa8d6e04	f48c20b8	.config	console log	report			ci-upstream-bpf-next-kasan-gce
2018/05/19 20:38	bpf-next	d849f9f9768c	f48c20b8	.config	console log	report			ci-upstream-bpf-next-kasan-gce
2018/05/19 11:53	bpf-next	d849f9f9768c	849705db	.config	console log	report			ci-upstream-bpf-next-kasan-gce
2018/05/17 15:18	bpf-next	b9f672af148b	90c54c49	.config	console log	report			ci-upstream-bpf-next-kasan-gce
2018/05/16 20:58	bpf-next	44edef77bd92	a367c1d7	.config	console log	report			ci-upstream-bpf-next-kasan-gce
2018/05/16 08:53	bpf-next	c5c7d7f3c451	75b2448a	.config	console log	report			ci-upstream-bpf-next-kasan-gce
2018/05/15 22:51	bpf-next	c5c7d7f3c451	68ce85f1	.config	console log	report			ci-upstream-bpf-next-kasan-gce
2018/05/15 11:25	bpf-next	f2467c2dbc01	661fd7b9	.config	console log	report			ci-upstream-bpf-next-kasan-gce
2018/05/14 12:01	bpf-next	a84880ef4352	d131f1b9	.config	console log	report			ci-upstream-bpf-next-kasan-gce
2018/05/14 10:03	bpf-next	a84880ef4352	2407e740	.config	console log	report			ci-upstream-bpf-next-kasan-gce
2018/05/14 09:47	bpf-next	a84880ef4352	2407e740	.config	console log	report			ci-upstream-bpf-next-kasan-gce
2018/05/14 01:41	bpf-next	a84880ef4352	481f030c	.config	console log	report			ci-upstream-bpf-next-kasan-gce
2018/05/13 22:25	bpf-next	a84880ef4352	481f030c	.config	console log	report			ci-upstream-bpf-next-kasan-gce

Crashes (22):

Assets (help?)

2018/05/12 12:23

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