* [syzbot] [net?] [virt?] BUG: stack guard page was hit in vsock_bpf_recvmsg
@ 2024-08-09 17:42 syzbot
2024-08-10 12:07 ` syzbot
0 siblings, 1 reply; 2+ messages in thread
From: syzbot @ 2024-08-09 17:42 UTC (permalink / raw)
To: davem, edumazet, kuba, linux-kernel, netdev, pabeni, sgarzare,
syzkaller-bugs, virtualization
Hello,
syzbot found the following issue on:
HEAD commit: eb3ab13d997a net: ti: icssg_prueth: populate netdev of_node
git tree: net-next
console+strace: https://syzkaller.appspot.com/x/log.txt?x=16bc9dbd980000
kernel config: https://syzkaller.appspot.com/x/.config?x=e8a2eef9745ade09
dashboard link: https://syzkaller.appspot.com/bug?extid=bdb4bd87b5e22058e2a4
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=11d4f4f5980000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=17522ec5980000
Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/451ec795f57e/disk-eb3ab13d.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/e6f090c32577/vmlinux-eb3ab13d.xz
kernel image: https://storage.googleapis.com/syzbot-assets/ac63cb5127b1/bzImage-eb3ab13d.xz
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+bdb4bd87b5e22058e2a4@syzkaller.appspotmail.com
BUG: TASK stack guard page was hit at ffffc9000358ff58 (stack is ffffc90003590000..ffffc90003598000)
Oops: stack guard page: 0000 [#1] PREEMPT SMP KASAN PTI
CPU: 0 UID: 0 PID: 5231 Comm: syz-executor149 Not tainted 6.11.0-rc2-syzkaller-00271-geb3ab13d997a #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024
RIP: 0010:validate_chain+0x1f/0x5900 kernel/locking/lockdep.c:3824
Code: 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 55 48 89 e5 41 57 41 56 41 55 41 54 53 48 83 e4 e0 48 81 ec c0 02 00 00 49 89 ce <89> 54 24 58 48 89 bc 24 80 00 00 00 65 48 8b 04 25 28 00 00 00 48
RSP: 0018:ffffc9000358ff60 EFLAGS: 00010086
RAX: 1ffffffff268c780 RBX: ffffffff93463c00 RCX: 7195f92be3ffb448
RDX: 0000000000000001 RSI: ffff88807cc6c6e0 RDI: ffff88807cc6bc00
RBP: ffffc90003590260 R08: ffffffff9372e8cf R09: 1ffffffff26e5d19
R10: dffffc0000000000 R11: fffffbfff26e5d1a R12: 0000000000000001
R13: ffff88807cc6c6d8 R14: 7195f92be3ffb448 R15: ffff88807cc6c700
FS: 000055556f04f380(0000) GS:ffff8880b9200000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffc9000358ff58 CR3: 0000000023e1e000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
<#DF>
</#DF>
<TASK>
__lock_acquire+0x137a/0x2040 kernel/locking/lockdep.c:5142
reacquire_held_locks+0x3eb/0x690 kernel/locking/lockdep.c:5284
__lock_release kernel/locking/lockdep.c:5473 [inline]
lock_release+0x396/0xa30 kernel/locking/lockdep.c:5780
sock_release_ownership include/net/sock.h:1722 [inline]
release_sock+0x12f/0x1f0 net/core/sock.c:3564
vsock_bpf_recvmsg+0x60f/0x1090 net/vmw_vsock/vsock_bpf.c:88
vsock_bpf_recvmsg+0xcf5/0x1090
vsock_bpf_recvmsg+0xcf5/0x1090
vsock_bpf_recvmsg+0xcf5/0x1090
vsock_bpf_recvmsg+0xcf5/0x1090
vsock_bpf_recvmsg+0xcf5/0x1090
vsock_bpf_recvmsg+0xcf5/0x1090
vsock_bpf_recvmsg+0xcf5/0x1090
vsock_bpf_recvmsg+0xcf5/0x1090
vsock_bpf_recvmsg+0xcf5/0x1090
vsock_bpf_recvmsg+0xcf5/0x1090
vsock_bpf_recvmsg+0xcf5/0x1090
vsock_bpf_recvmsg+0xcf5/0x1090
vsock_bpf_recvmsg+0xcf5/0x1090
vsock_bpf_recvmsg+0xcf5/0x1090
vsock_bpf_recvmsg+0xcf5/0x1090
vsock_bpf_recvmsg+0xcf5/0x1090
vsock_bpf_recvmsg+0xcf5/0x1090
vsock_bpf_recvmsg+0xcf5/0x1090
vsock_bpf_recvmsg+0xcf5/0x1090
vsock_bpf_recvmsg+0xcf5/0x1090
vsock_bpf_recvmsg+0xcf5/0x1090
vsock_bpf_recvmsg+0xcf5/0x1090
vsock_bpf_recvmsg+0xcf5/0x1090
vsock_bpf_recvmsg+0xcf5/0x1090
vsock_bpf_recvmsg+0xcf5/0x1090
vsock_bpf_recvmsg+0xcf5/0x1090
vsock_bpf_recvmsg+0xcf5/0x1090
vsock_bpf_recvmsg+0xcf5/0x1090
vsock_bpf_recvmsg+0xcf5/0x1090
vsock_bpf_recvmsg+0xcf5/0x1090
vsock_bpf_recvmsg+0xcf5/0x1090
vsock_bpf_recvmsg+0xcf5/0x1090
vsock_bpf_recvmsg+0xcf5/0x1090
vsock_bpf_recvmsg+0xcf5/0x1090
vsock_bpf_recvmsg+0xcf5/0x1090
vsock_bpf_recvmsg+0xcf5/0x1090
vsock_bpf_recvmsg+0xcf5/0x1090
vsock_bpf_recvmsg+0xcf5/0x1090
vsock_bpf_recvmsg+0xcf5/0x1090
vsock_bpf_recvmsg+0xcf5/0x1090
vsock_bpf_recvmsg+0xcf5/0x1090
vsock_bpf_recvmsg+0xcf5/0x1090
vsock_bpf_recvmsg+0xcf5/0x1090
vsock_bpf_recvmsg+0xcf5/0x1090
vsock_bpf_recvmsg+0xcf5/0x1090
vsock_bpf_recvmsg+0xcf5/0x1090
vsock_bpf_recvmsg+0xcf5/0x1090
vsock_bpf_recvmsg+0xcf5/0x1090
vsock_bpf_recvmsg+0xcf5/0x1090
vsock_bpf_recvmsg+0xcf5/0x1090
vsock_bpf_recvmsg+0xcf5/0x1090
vsock_bpf_recvmsg+0xcf5/0x1090
vsock_bpf_recvmsg+0xcf5/0x1090
vsock_bpf_recvmsg+0xcf5/0x1090
vsock_bpf_recvmsg+0xcf5/0x1090
vsock_bpf_recvmsg+0xcf5/0x1090
vsock_bpf_recvmsg+0xcf5/0x1090
vsock_bpf_recvmsg+0xcf5/0x1090
vsock_bpf_recvmsg+0xcf5/0x1090
vsock_bpf_recvmsg+0xcf5/0x1090
vsock_bpf_recvmsg+0xcf5/0x1090
vsock_bpf_recvmsg+0xcf5/0x1090
vsock_bpf_recvmsg+0xcf5/0x1090
vsock_bpf_recvmsg+0xcf5/0x1090
vsock_bpf_recvmsg+0xcf5/0x1090
vsock_bpf_recvmsg+0xcf5/0x1090
vsock_bpf_recvmsg+0xcf5/0x1090
vsock_bpf_recvmsg+0xcf5/0x1090
vsock_bpf_recvmsg+0xcf5/0x1090
vsock_bpf_recvmsg+0xcf5/0x1090
vsock_bpf_recvmsg+0xcf5/0x1090
sock_recvmsg_nosec net/socket.c:1046 [inline]
sock_recvmsg+0x22f/0x280 net/socket.c:1068
____sys_recvmsg+0x1db/0x470 net/socket.c:2816
___sys_recvmsg net/socket.c:2858 [inline]
__sys_recvmsg+0x2f0/0x3e0 net/socket.c:2888
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f66591e2c79
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffe616028d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002f
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f66591e2c79
RDX: 0000000000010042 RSI: 00000000200003c0 RDI: 0000000000000005
RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000006
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
</TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:validate_chain+0x1f/0x5900 kernel/locking/lockdep.c:3824
Code: 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 55 48 89 e5 41 57 41 56 41 55 41 54 53 48 83 e4 e0 48 81 ec c0 02 00 00 49 89 ce <89> 54 24 58 48 89 bc 24 80 00 00 00 65 48 8b 04 25 28 00 00 00 48
RSP: 0018:ffffc9000358ff60 EFLAGS: 00010086
RAX: 1ffffffff268c780 RBX: ffffffff93463c00 RCX: 7195f92be3ffb448
RDX: 0000000000000001 RSI: ffff88807cc6c6e0 RDI: ffff88807cc6bc00
RBP: ffffc90003590260 R08: ffffffff9372e8cf R09: 1ffffffff26e5d19
R10: dffffc0000000000 R11: fffffbfff26e5d1a R12: 0000000000000001
R13: ffff88807cc6c6d8 R14: 7195f92be3ffb448 R15: ffff88807cc6c700
FS: 000055556f04f380(0000) GS:ffff8880b9200000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffc9000358ff58 CR3: 0000000023e1e000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
0: 90 nop
1: 90 nop
2: 90 nop
3: 90 nop
4: 90 nop
5: 90 nop
6: 90 nop
7: 90 nop
8: 90 nop
9: 90 nop
a: 90 nop
b: f3 0f 1e fa endbr64
f: 55 push %rbp
10: 48 89 e5 mov %rsp,%rbp
13: 41 57 push %r15
15: 41 56 push %r14
17: 41 55 push %r13
19: 41 54 push %r12
1b: 53 push %rbx
1c: 48 83 e4 e0 and $0xffffffffffffffe0,%rsp
20: 48 81 ec c0 02 00 00 sub $0x2c0,%rsp
27: 49 89 ce mov %rcx,%r14
* 2a: 89 54 24 58 mov %edx,0x58(%rsp) <-- trapping instruction
2e: 48 89 bc 24 80 00 00 mov %rdi,0x80(%rsp)
35: 00
36: 65 48 8b 04 25 28 00 mov %gs:0x28,%rax
3d: 00 00
3f: 48 rex.W
---
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^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: [syzbot] [net?] [virt?] BUG: stack guard page was hit in vsock_bpf_recvmsg
2024-08-09 17:42 [syzbot] [net?] [virt?] BUG: stack guard page was hit in vsock_bpf_recvmsg syzbot
@ 2024-08-10 12:07 ` syzbot
0 siblings, 0 replies; 2+ messages in thread
From: syzbot @ 2024-08-10 12:07 UTC (permalink / raw)
To: bobby.eshleman, bpf, davem, edumazet, kuba, linux-kernel, mst,
netdev, pabeni, sgarzare, syzkaller-bugs, virtualization,
virtualization
syzbot has bisected this issue to:
commit 634f1a7110b439c65fd8a809171c1d2d28bcea6f
Author: Bobby Eshleman <bobby.eshleman@bytedance.com>
Date: Mon Mar 27 19:11:51 2023 +0000
vsock: support sockmap
bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=13d3c97d980000
start commit: eb3ab13d997a net: ti: icssg_prueth: populate netdev of_node
git tree: net-next
final oops: https://syzkaller.appspot.com/x/report.txt?x=1033c97d980000
console output: https://syzkaller.appspot.com/x/log.txt?x=17d3c97d980000
kernel config: https://syzkaller.appspot.com/x/.config?x=e8a2eef9745ade09
dashboard link: https://syzkaller.appspot.com/bug?extid=bdb4bd87b5e22058e2a4
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=14a1b97d980000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=17e7b2f3980000
Reported-by: syzbot+bdb4bd87b5e22058e2a4@syzkaller.appspotmail.com
Fixes: 634f1a7110b4 ("vsock: support sockmap")
For information about bisection process see: https://goo.gl/tpsmEJ#bisection
^ permalink raw reply [flat|nested] 2+ messages in thread
end of thread, other threads:[~2024-08-10 12:07 UTC | newest]
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2024-08-09 17:42 [syzbot] [net?] [virt?] BUG: stack guard page was hit in vsock_bpf_recvmsg syzbot
2024-08-10 12:07 ` syzbot
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