memory leak in __build

Kernel	Title	Rank 🛈	Repro	Cause bisect	Fix bisect	Count	Last	Reported	Patched	Status
upstream	memory leak in __build_skb (3) wireless	3	C			2	977d	975d	22/29	fixed on 2023/06/08 14:41
upstream	memory leak in __build_skb (2) net	3	C			330	1198d	2188d	0/29	closed as invalid on 2022/10/12 18:48

executing program executing program executing program executing program executing program BUG: memory leak unreferenced object 0xffff88812adb0400 (size 224): comm "softirq", pid 0, jiffies 4294945711 (age 13.430s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 00 c0 c0 16 81 88 ff ff 00 00 00 00 00 00 00 00 ................ backtrace: [<00000000ffabfc51>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline] [<00000000ffabfc51>] slab_post_alloc_hook mm/slab.h:439 [inline] [<00000000ffabfc51>] slab_alloc mm/slab.c:3326 [inline] [<00000000ffabfc51>] kmem_cache_alloc+0x134/0x270 mm/slab.c:3488 [<00000000379a7d08>] __build_skb+0x26/0x70 net/core/skbuff.c:307 [<00000000c89b3cf2>] __napi_alloc_skb+0xf8/0x150 net/core/skbuff.c:520 [<0000000089ada137>] napi_alloc_skb include/linux/skbuff.h:2789 [inline] [<0000000089ada137>] napi_get_frags net/core/dev.c:5745 [inline] [<0000000089ada137>] napi_get_frags+0x3f/0x70 net/core/dev.c:5740 [<00000000035cb569>] tun_napi_alloc_frags drivers/net/tun.c:1484 [inline] [<00000000035cb569>] tun_get_user+0x636/0x1a20 drivers/net/tun.c:1842 [<00000000ee2f039f>] tun_chr_write_iter+0x53/0x90 drivers/net/tun.c:2028 [<00000000b04bad07>] call_write_iter include/linux/fs.h:1872 [inline] [<00000000b04bad07>] do_iter_readv_writev+0x210/0x2e0 fs/read_write.c:693 [<0000000045162ab3>] do_iter_write fs/read_write.c:970 [inline] [<0000000045162ab3>] do_iter_write+0xb9/0x230 fs/read_write.c:951 [<000000005d2f6877>] vfs_writev+0xcb/0x130 fs/read_write.c:1015 [<00000000150bbc1f>] do_writev+0x89/0x180 fs/read_write.c:1058 [<00000000bd0674e2>] __do_sys_writev fs/read_write.c:1131 [inline] [<00000000bd0674e2>] __se_sys_writev fs/read_write.c:1128 [inline] [<00000000bd0674e2>] __x64_sys_writev+0x20/0x30 fs/read_write.c:1128 [<00000000b406a1e6>] do_syscall_64+0x76/0x1a0 arch/x86/entry/common.c:301 [<000000004c1fb0a8>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

Crashes (19):
Time	Kernel	Commit	Syzkaller	Config	Log	Report	Syz repro	C repro	Manager
2019/06/20 10:54	upstream	abf02e2964b3	34bf9440	.config	console log	report	syz	C	ci-upstream-gce-leak
2019/06/20 00:27	upstream	bed3c0d84e7e	34bf9440	.config	console log	report	syz	C	ci-upstream-gce-leak
2019/06/16 17:54	upstream	e01e060fe00d	442206d7	.config	console log	report	syz	C	ci-upstream-gce-leak
2019/06/14 19:07	upstream	fd6b99fa41dd	442206d7	.config	console log	report	syz	C	ci-upstream-gce-leak
2019/06/14 16:42	upstream	c11fb13a117e	998ccc76	.config	console log	report	syz	C	ci-upstream-gce-leak
2019/06/13 04:19	upstream	35110e38e6c5	3f4e812b	.config	console log	report	syz	C	ci-upstream-gce-leak
2019/06/12 05:44	upstream	aa7235483a83	ea2f4006	.config	console log	report	syz	C	ci-upstream-gce-leak
2019/06/11 03:01	upstream	01ccc3ad4413	0159583c	.config	console log	report	syz	C	ci-upstream-gce-leak
2019/06/10 19:59	upstream	d1fdb6d8f6a4	0159583c	.config	console log	report	syz	C	ci-upstream-gce-leak
2019/06/10 01:51	upstream	d1fdb6d8f6a4	0159583c	.config	console log	report	syz	C	ci-upstream-gce-leak
2019/06/07 06:49	upstream	01047631df81	698773cb	.config	console log	report	syz	C	ci-upstream-gce-leak
2019/06/03 15:40	upstream	f2c7c76c5d0a	63bf051f	.config	console log	report	syz	C	ci-upstream-gce-leak
2019/06/02 03:15	upstream	3ab4436f688c	53c81ea5	.config	console log	report	syz	C	ci-upstream-gce-leak
2019/05/30 02:01	upstream	bec7550cca10	d9aaf3c2	.config	console log	report	syz	C	ci-upstream-gce-leak
2019/05/29 14:22	upstream	9fb67d643f6f	5457ef34	.config	console log	report	syz	C	ci-upstream-gce-leak
2019/05/27 23:14	upstream	cd6c84d8f0cd	6bd61501	.config	console log	report	syz	C	ci-upstream-gce-leak
2019/05/27 03:09	upstream	c5b440951a19	85c57315	.config	console log	report	syz	C	ci-upstream-gce-leak
2019/05/24 16:03	upstream	4dde821e4296	0dadcd9d	.config	console log	report	syz	C	ci-upstream-gce-leak
2019/05/21 12:57	upstream	5bdd9ad875b6	712bfcbd	.config	console log	report	syz	C	ci-upstream-gce-leak

Crashes (19):

Assets (help?)

2019/06/20 10:54

upstream