syzbot


BUG: stack guard page was hit in ipv6_rcv

Status: closed as invalid on 2021/10/04 21:06
Reported-by: syzbot+@syzkaller.appspotmail.com
First crash: 495d, last: 451d

Sample crash report:
BUG: stack guard page was hit at ffffc90000d8ffe8 (stack is ffffc90000d90000..ffffc90000d97fff)
kernel stack overflow (double-fault): 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 19 Comm: ksoftirqd/1 Not tainted 5.14.0-rc2-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:mark_lock+0x23/0x17b0 kernel/locking/lockdep.c:4554
Code: 84 00 00 00 00 00 90 41 57 41 56 41 55 41 54 41 89 d4 48 ba 00 00 00 00 00 fc ff df 55 53 48 81 ec 18 01 00 00 48 8d 5c 24 38 <48> 89 3c 24 48 c7 44 24 38 b3 8a b5 41 48 c1 eb 03 48 c7 44 24 40
RSP: 0018:ffffc90000d8fff8 EFLAGS: 00010092
RAX: 0000000000000000 RBX: ffffc90000d90030 RCX: ffffffff815aaa9d
RDX: dffffc0000000000 RSI: ffff888011b7df28 RDI: ffff888011b7d4c0
RBP: 0000000000000002 R08: 0000000000000000 R09: ffffffff8fcd199f
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000008
R13: ffff888011b7d4c0 R14: ffff888011b7deb0 R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffc90000d8ffe8 CR3: 00000000586a5000 CR4: 00000000001506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 mark_usage kernel/locking/lockdep.c:4514 [inline]
 __lock_acquire+0x8a7/0x54a0 kernel/locking/lockdep.c:4969
 lock_acquire kernel/locking/lockdep.c:5625 [inline]
 lock_acquire+0x1ab/0x510 kernel/locking/lockdep.c:5590
 rcu_lock_acquire include/linux/rcupdate.h:267 [inline]
 rcu_read_lock include/linux/rcupdate.h:687 [inline]
 sock_map_unhash+0x38/0x3a0 net/core/sock_map.c:1502
 sock_map_unhash+0x302/0x3a0 net/core/sock_map.c:1507
 sock_map_unhash+0x302/0x3a0 net/core/sock_map.c:1507
 sock_map_unhash+0x302/0x3a0 net/core/sock_map.c:1507
 sock_map_unhash+0x302/0x3a0 net/core/sock_map.c:1507
 sock_map_unhash+0x302/0x3a0 net/core/sock_map.c:1507
 sock_map_unhash+0x302/0x3a0 net/core/sock_map.c:1507
 sock_map_unhash+0x302/0x3a0 net/core/sock_map.c:1507
 sock_map_unhash+0x302/0x3a0 net/core/sock_map.c:1507
 sock_map_unhash+0x302/0x3a0 net/core/sock_map.c:1507
 sock_map_unhash+0x302/0x3a0 net/core/sock_map.c:1507
 sock_map_unhash+0x302/0x3a0 net/core/sock_map.c:1507
 sock_map_unhash+0x302/0x3a0 net/core/sock_map.c:1507
 sock_map_unhash+0x302/0x3a0 net/core/sock_map.c:1507
 sock_map_unhash+0x302/0x3a0 net/core/sock_map.c:1507
 sock_map_unhash+0x302/0x3a0 net/core/sock_map.c:1507
 sock_map_unhash+0x302/0x3a0 net/core/sock_map.c:1507
 sock_map_unhash+0x302/0x3a0 net/core/sock_map.c:1507
 sock_map_unhash+0x302/0x3a0 net/core/sock_map.c:1507
 sock_map_unhash+0x302/0x3a0 net/core/sock_map.c:1507
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 sock_map_unhash+0x302/0x3a0 net/core/sock_map.c:1507
 sock_map_unhash+0x302/0x3a0 net/core/sock_map.c:1507
 tcp_set_state+0x5de/0x7e0 net/ipv4/tcp.c:2617
 tcp_done+0xab/0x330 net/ipv4/tcp.c:4410
 tcp_reset+0x16f/0x4a0 net/ipv4/tcp_input.c:4273
 tcp_validate_incoming+0xfc1/0x1c40 net/ipv4/tcp_input.c:5671
 tcp_rcv_established+0x5af/0x2130 net/ipv4/tcp_input.c:5883
 tcp_v6_do_rcv+0x41d/0x12b0 net/ipv6/tcp_ipv6.c:1517
 tcp_v6_rcv+0x31db/0x36d0 net/ipv6/tcp_ipv6.c:1759
 ip6_protocol_deliver_rcu+0x2e9/0x17f0 net/ipv6/ip6_input.c:422
 ip6_input_finish+0x62/0x170 net/ipv6/ip6_input.c:463
 NF_HOOK include/linux/netfilter.h:307 [inline]
 NF_HOOK include/linux/netfilter.h:301 [inline]
 ip6_input+0x9c/0xd0 net/ipv6/ip6_input.c:472
 dst_input include/net/dst.h:458 [inline]
 ip6_rcv_finish net/ipv6/ip6_input.c:76 [inline]
 NF_HOOK include/linux/netfilter.h:307 [inline]
 NF_HOOK include/linux/netfilter.h:301 [inline]
 ipv6_rcv+0x28c/0x3c0 net/ipv6/ip6_input.c:297
 __netif_receive_skb_one_core+0x114/0x180 net/core/dev.c:5498
 __netif_receive_skb+0x24/0x1b0 net/core/dev.c:5612
 process_backlog+0x2a5/0x6c0 net/core/dev.c:6492
 __napi_poll+0xaf/0x440 net/core/dev.c:7047
 napi_poll net/core/dev.c:7114 [inline]
 net_rx_action+0x801/0xb40 net/core/dev.c:7201
 __do_softirq+0x29b/0x9c2 kernel/softirq.c:558
 run_ksoftirqd kernel/softirq.c:920 [inline]
 run_ksoftirqd+0x2d/0x60 kernel/softirq.c:912
 smpboot_thread_fn+0x645/0x9c0 kernel/smpboot.c:164
 kthread+0x3e5/0x4d0 kernel/kthread.c:319
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
Modules linked in:
---[ end trace faa2b7f58e137c6d ]---
RIP: 0010:mark_lock+0x23/0x17b0 kernel/locking/lockdep.c:4554
Code: 84 00 00 00 00 00 90 41 57 41 56 41 55 41 54 41 89 d4 48 ba 00 00 00 00 00 fc ff df 55 53 48 81 ec 18 01 00 00 48 8d 5c 24 38 <48> 89 3c 24 48 c7 44 24 38 b3 8a b5 41 48 c1 eb 03 48 c7 44 24 40
RSP: 0018:ffffc90000d8fff8 EFLAGS: 00010092
RAX: 0000000000000000 RBX: ffffc90000d90030 RCX: ffffffff815aaa9d
RDX: dffffc0000000000 RSI: ffff888011b7df28 RDI: ffff888011b7d4c0
RBP: 0000000000000002 R08: 0000000000000000 R09: ffffffff8fcd199f
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000008
R13: ffff888011b7d4c0 R14: ffff888011b7deb0 R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffc90000d8ffe8 CR3: 00000000586a5000 CR4: 00000000001506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400

Crashes (2):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-net-this-kasan-gce 2021/07/25 20:38 net 7e4960b3d66d 4d1b57d4 .config log report info BUG: stack guard page was hit in ipv6_rcv
ci-upstream-net-kasan-gce 2021/09/07 18:01 net-next 27151f177827 6ca60148 .config log report info BUG: stack guard page was hit in ipv6_rcv
* Struck through repros no longer work on HEAD.