linux-kernel - [syzbot] [rdma?] WARNING in rxe_pool

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Date: Sun, 12 May 2024 19:22:28 -0700
From: syzbot <syzbot+221e213bf17f17e0d6cd@...kaller.appspotmail.com>
To: jgg@...pe.ca, leon@...nel.org, linux-kernel@...r.kernel.org, 
	linux-rdma@...r.kernel.org, netdev@...r.kernel.org, 
	syzkaller-bugs@...glegroups.com, zyjzyj2000@...il.com
Subject: [syzbot] [rdma?] WARNING in rxe_pool_cleanup

Hello,

syzbot found the following issue on:

HEAD commit:    6d7ddd805123 Merge tag 'soc-fixes-6.9-3' of git://git.kern..
git tree:       upstream
console output: https://syzkaller.appspot.com/x/log.txt?x=1567aa6c980000
kernel config:  https://syzkaller.appspot.com/x/.config?x=7144b4fe7fbf5900
dashboard link: https://syzkaller.appspot.com/bug?extid=221e213bf17f17e0d6cd
compiler:       gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40

Unfortunately, I don't have any reproducer for this issue yet.

Downloadable assets:
disk image (non-bootable): https://storage.googleapis.com/syzbot-assets/7bc7510fe41f/non_bootable_disk-6d7ddd80.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/64e247bdde82/vmlinux-6d7ddd80.xz
kernel image: https://storage.googleapis.com/syzbot-assets/b78396634af8/bzImage-6d7ddd80.xz

IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+221e213bf17f17e0d6cd@...kaller.appspotmail.com

------------[ cut here ]------------
WARNING: CPU: 2 PID: 11465 at drivers/infiniband/sw/rxe/rxe_pool.c:116 rxe_pool_cleanup+0x41/0x60 drivers/infiniband/sw/rxe/rxe_pool.c:116
Modules linked in:
CPU: 2 PID: 11465 Comm: syz-executor.2 Not tainted 6.9.0-rc7-syzkaller-00023-g6d7ddd805123 #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
RIP: 0010:rxe_pool_cleanup+0x41/0x60 drivers/infiniband/sw/rxe/rxe_pool.c:116
Code: 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 1f 48 83 bb 80 00 00 00 00 75 06 5b e9 95 28 73 f9 e8 90 28 73 f9 90 <0f> 0b 90 5b e9 86 28 73 f9 e8 81 75 ce f9 eb da 66 66 2e 0f 1f 84
RSP: 0018:ffffc90003baf170 EFLAGS: 00010246
RAX: 0000000000040000 RBX: ffff8880471b5228 RCX: ffffc90003f99000
RDX: 0000000000040000 RSI: ffffffff881aa460 RDI: ffff8880471b52a8
RBP: ffffffff88190dd0 R08: 0000000000000005 R09: 0000000000000000
R10: 00000000ffffffed R11: 0000000000000000 R12: ffffc90003baf600
R13: ffffc90003baf600 R14: ffff88804570c000 R15: 0000000000000000
FS:  00007fedd04706c0(0000) GS:ffff88806b400000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f1c5125dd58 CR3: 000000003df64000 CR4: 0000000000350ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 rxe_dealloc+0x26/0x110 drivers/infiniband/sw/rxe/rxe.c:24
 ib_dealloc_device+0x46/0x230 drivers/infiniband/core/device.c:657
 rxe_net_add+0xb2/0xe0 drivers/infiniband/sw/rxe/rxe_net.c:536
 rxe_newlink+0x70/0x190 drivers/infiniband/sw/rxe/rxe.c:197
 nldev_newlink+0x396/0x670 drivers/infiniband/core/nldev.c:1763
 rdma_nl_rcv_msg+0x388/0x6e0 drivers/infiniband/core/netlink.c:195
 rdma_nl_rcv_skb.constprop.0.isra.0+0x2e6/0x450 drivers/infiniband/core/netlink.c:239
 netlink_unicast_kernel net/netlink/af_netlink.c:1335 [inline]
 netlink_unicast+0x542/0x820 net/netlink/af_netlink.c:1361
 netlink_sendmsg+0x8b8/0xd70 net/netlink/af_netlink.c:1905
 sock_sendmsg_nosec net/socket.c:730 [inline]
 __sock_sendmsg net/socket.c:745 [inline]
 ____sys_sendmsg+0xab5/0xc90 net/socket.c:2584
 ___sys_sendmsg+0x135/0x1e0 net/socket.c:2638
 __sys_sendmsg+0x117/0x1f0 net/socket.c:2667
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcf/0x260 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fedcf67dd69
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 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 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fedd04700c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007fedcf7abf80 RCX: 00007fedcf67dd69
RDX: 0000000000000000 RSI: 00000000200001c0 RDI: 0000000000000004
RBP: 00007fedcf6ca49e R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007fedcf7abf80 R15: 00007ffcb1bc3058
 </TASK>


---
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