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Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
---|---|---|---|---|---|---|---|---|---|
upstream | KASAN: slab-out-of-bounds Write in __build_skb_around bpf net | C | error | 2536 | 107d | 121d | 24/24 | fixed on 2023/02/24 13:50 | |
upstream | BUG: unable to handle kernel NULL pointer dereference in __build_skb_around bpf net | C | done | 29 | 9d14h | 14d | 2/24 | upstream: reported C repro on 2023/03/15 12:03 |
================================================================== BUG: KASAN: user-memory-access in memset include/linux/fortify-string.h:209 [inline] BUG: KASAN: user-memory-access in __build_skb_around+0x1ff/0x2f0 net/core/skbuff.c:210 Write of size 32 at addr 00000000fffffed0 by task kworker/0:10/5171 CPU: 0 PID: 5171 Comm: kworker/0:10 Not tainted 5.16.0-rc4-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: mld mld_ifc_work Call Trace: <TASK> __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xcd/0x134 lib/dump_stack.c:106 __kasan_report mm/kasan/report.c:437 [inline] kasan_report.cold+0x66/0xdf mm/kasan/report.c:450 check_region_inline mm/kasan/generic.c:183 [inline] kasan_check_range+0x13d/0x180 mm/kasan/generic.c:189 memset+0x20/0x40 mm/kasan/shadow.c:44 memset include/linux/fortify-string.h:209 [inline] __build_skb_around+0x1ff/0x2f0 net/core/skbuff.c:210 __alloc_skb+0x127/0x340 net/core/skbuff.c:443 alloc_skb include/linux/skbuff.h:1129 [inline] alloc_skb_with_frags+0x93/0x620 net/core/skbuff.c:5930 sock_alloc_send_pskb+0x793/0x920 net/core/sock.c:2581 mld_newpack+0x1df/0x770 net/ipv6/mcast.c:1754 add_grhead+0x265/0x330 net/ipv6/mcast.c:1857 add_grec+0x1053/0x14e0 net/ipv6/mcast.c:1995 mld_send_cr net/ipv6/mcast.c:2121 [inline] mld_ifc_work+0x452/0xdc0 net/ipv6/mcast.c:2659 process_one_work+0x9b2/0x1690 kernel/workqueue.c:2298 worker_thread+0x658/0x11f0 kernel/workqueue.c:2445 kthread+0x405/0x4f0 kernel/kthread.c:327 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295 </TASK> ==================================================================
Manager | Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets | Title |
---|---|---|---|---|---|---|---|---|---|---|---|---|
ci-upstream-net-kasan-gce | 2021/12/12 11:10 | net-next | 77ab714f0070 | 49ca1f59 | .config | console log | report | info | KASAN: user-memory-access Write in __build_skb_around | |||
ci-upstream-net-kasan-gce | 2021/12/11 20:06 | net-next | be3158290db8 | 49ca1f59 | .config | console log | report | info | KASAN: user-memory-access Write in __build_skb_around |