KMSAN: uninit-value in tipc_subscrb_rcv

Title	Replies (including bot)	Last reply
[PATCH 4.19 00/99] 4.19.17-stable review	109 (109)	2019/04/22 19:40
[PATCH 4.20 000/111] 4.20.4-stable review	120 (120)	2019/01/23 06:43
[net 0/6] tipc: fix uninit-value issues reported by syzbot	8 (8)	2019/01/16 04:29
KMSAN: uninit-value in tipc_subscrb_rcv_cb	0 (2)	2018/04/11 05:47

================================================================== BUG: KMSAN: uninit-value in htohl net/tipc/subscr.c:66 [inline] BUG: KMSAN: uninit-value in tipc_subscrb_rcv_cb+0x418/0xe80 net/tipc/subscr.c:339 CPU: 0 PID: 19 Comm: kworker/u4:1 Not tainted 4.16.0+ #83 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: tipc_rcv tipc_recv_work Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x185/0x1d0 lib/dump_stack.c:53 kmsan_report+0x142/0x240 mm/kmsan/kmsan.c:1067 __msan_warning_32+0x6c/0xb0 mm/kmsan/kmsan_instr.c:676 htohl net/tipc/subscr.c:66 [inline] tipc_subscrb_rcv_cb+0x418/0xe80 net/tipc/subscr.c:339 tipc_receive_from_sock+0x64c/0x800 net/tipc/server.c:271 tipc_recv_work+0xd8/0x1f0 net/tipc/server.c:618 process_one_work+0x12c6/0x1f60 kernel/workqueue.c:2113 worker_thread+0x113c/0x24f0 kernel/workqueue.c:2247 kthread+0x539/0x720 kernel/kthread.c:239 ret_from_fork+0x35/0x40 arch/x86/entry/entry_64.S:406 Uninit was created at: kmsan_save_stack_with_flags mm/kmsan/kmsan.c:278 [inline] kmsan_internal_poison_shadow+0xb8/0x1b0 mm/kmsan/kmsan.c:188 kmsan_kmalloc+0x94/0x100 mm/kmsan/kmsan.c:314 kmem_cache_alloc+0xaab/0xb90 mm/slub.c:2756 tipc_receive_from_sock+0x15c/0x800 net/tipc/server.c:253 tipc_recv_work+0xd8/0x1f0 net/tipc/server.c:618 process_one_work+0x12c6/0x1f60 kernel/workqueue.c:2113 worker_thread+0x113c/0x24f0 kernel/workqueue.c:2247 kthread+0x539/0x720 kernel/kthread.c:239 ret_from_fork+0x35/0x40 arch/x86/entry/entry_64.S:406 ==================================================================

Crashes (13):
Time	Kernel	Commit	Syzkaller	Config	Log	Report	Syz repro	C repro	Manager
2018/04/11 05:46	https://github.com/google/kmsan.git master	35ff515e4bda	8b8de427	.config	console log	report	syz	C	ci-upstream-kmsan-gce
2018/04/29 18:40	https://github.com/google/kmsan.git master	d2d741e5d189	bb79c6ab	.config	console log	report			ci-upstream-kmsan-gce
2018/04/29 18:39	https://github.com/google/kmsan.git master	d2d741e5d189	bb79c6ab	.config	console log	report			ci-upstream-kmsan-gce
2018/04/21 05:02	https://github.com/google/kmsan.git master	48c6a2b0ab1b	ca03d688	.config	console log	report			ci-upstream-kmsan-gce
2018/04/13 17:27	https://github.com/google/kmsan.git master	35ff515e4bda	0a0c5db6	.config	console log	report			ci-upstream-kmsan-gce
2018/04/13 15:41	https://github.com/google/kmsan.git master	35ff515e4bda	0a0c5db6	.config	console log	report			ci-upstream-kmsan-gce
2018/04/13 15:28	https://github.com/google/kmsan.git master	35ff515e4bda	0a0c5db6	.config	console log	report			ci-upstream-kmsan-gce
2018/04/13 13:04	https://github.com/google/kmsan.git master	35ff515e4bda	0a0c5db6	.config	console log	report			ci-upstream-kmsan-gce
2018/04/11 21:25	https://github.com/google/kmsan.git master	35ff515e4bda	9cd56d71	.config	console log	report			ci-upstream-kmsan-gce
2018/04/11 20:58	https://github.com/google/kmsan.git master	35ff515e4bda	9cd56d71	.config	console log	report			ci-upstream-kmsan-gce
2018/04/11 14:48	https://github.com/google/kmsan.git master	35ff515e4bda	8b8de427	.config	console log	report			ci-upstream-kmsan-gce
2018/04/11 05:25	https://github.com/google/kmsan.git master	35ff515e4bda	8b8de427	.config	console log	report			ci-upstream-kmsan-gce
2018/04/07 01:26	https://github.com/google/kmsan.git master	e2ab7e8abba4	d613535f	.config	console log	report			ci-upstream-kmsan-gce

Crashes (13):

Assets (help?)