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Message-ID: <000000000000d70eed06211ac86b@google.com>
Date: Sun, 01 Sep 2024 20:46:22 -0700
From: syzbot <syzbot+b8b7a6774bf40cf8296b@...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
Subject: [syzbot] [rdma?] WARNING in gid_table_release_one (2)
Hello,
syzbot found the following issue on:
HEAD commit: 928f79a188aa Merge tag 'loongarch-fixes-6.11-2' of git://g..
git tree: upstream
console output: https://syzkaller.appspot.com/x/log.txt?x=14089643980000
kernel config: https://syzkaller.appspot.com/x/.config?x=9e8c6a00ef394bcf
dashboard link: https://syzkaller.appspot.com/bug?extid=b8b7a6774bf40cf8296b
compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
userspace arch: i386
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-928f79a1.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/5bf719d3bbf5/vmlinux-928f79a1.xz
kernel image: https://storage.googleapis.com/syzbot-assets/88527595ba7c/bzImage-928f79a1.xz
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+b8b7a6774bf40cf8296b@...kaller.appspotmail.com
infiniband syz1: ib_query_port failed (-19)
infiniband syz1: Couldn't set up InfiniBand P_Key/GID cache
------------[ cut here ]------------
GID entry ref leak for dev syz1 index 0 ref=1
WARNING: CPU: 0 PID: 19837 at drivers/infiniband/core/cache.c:806 release_gid_table drivers/infiniband/core/cache.c:806 [inline]
WARNING: CPU: 0 PID: 19837 at drivers/infiniband/core/cache.c:806 gid_table_release_one+0x387/0x4b0 drivers/infiniband/core/cache.c:886
Modules linked in:
CPU: 0 UID: 0 PID: 19837 Comm: syz.1.3934 Not tainted 6.11.0-rc5-syzkaller-00079-g928f79a188aa #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
RIP: 0010:release_gid_table drivers/infiniband/core/cache.c:806 [inline]
RIP: 0010:gid_table_release_one+0x387/0x4b0 drivers/infiniband/core/cache.c:886
Code: 78 07 00 00 48 85 f6 74 2a 48 89 74 24 38 e8 b0 0a 76 f9 48 8b 74 24 38 44 89 f9 89 da 48 c7 c7 c0 69 51 8c e8 5a c3 38 f9 90 <0f> 0b 90 90 e9 6f fe ff ff e8 8b 0a 76 f9 49 8d bc 24 28 07 00 00
RSP: 0018:ffffc900042b7080 EFLAGS: 00010286
RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffc9002811e000
RDX: 0000000000040000 RSI: ffffffff814dd406 RDI: 0000000000000001
RBP: ffff88807ebaaf00 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000000 R12: ffff888051860000
R13: dffffc0000000000 R14: ffffed100fd755fb R15: 0000000000000001
FS: 0000000000000000(0000) GS:ffff88802c000000(0063) knlGS:00000000f56c6b40
CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: 000000002effcff8 CR3: 0000000060c5e000 CR4: 0000000000350ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
<TASK>
ib_device_release+0xef/0x1e0 drivers/infiniband/core/device.c:498
device_release+0xa1/0x240 drivers/base/core.c:2582
kobject_cleanup lib/kobject.c:689 [inline]
kobject_release lib/kobject.c:720 [inline]
kref_put include/linux/kref.h:65 [inline]
kobject_put+0x1e4/0x5a0 lib/kobject.c:737
put_device+0x1f/0x30 drivers/base/core.c:3790
rxe_net_add+0xe0/0x110 drivers/infiniband/sw/rxe/rxe_net.c:544
rxe_newlink+0x70/0x190 drivers/infiniband/sw/rxe/rxe.c:197
nldev_newlink+0x373/0x5e0 drivers/infiniband/core/nldev.c:1794
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:1331 [inline]
netlink_unicast+0x53c/0x7f0 net/netlink/af_netlink.c:1357
netlink_sendmsg+0x8b8/0xd70 net/netlink/af_netlink.c:1901
sock_sendmsg_nosec net/socket.c:730 [inline]
__sock_sendmsg net/socket.c:745 [inline]
____sys_sendmsg+0x9b4/0xb50 net/socket.c:2597
___sys_sendmsg+0x135/0x1e0 net/socket.c:2651
__sys_sendmsg+0x117/0x1f0 net/socket.c:2680
do_syscall_32_irqs_on arch/x86/entry/common.c:165 [inline]
__do_fast_syscall_32+0x73/0x120 arch/x86/entry/common.c:386
do_fast_syscall_32+0x32/0x80 arch/x86/entry/common.c:411
entry_SYSENTER_compat_after_hwframe+0x84/0x8e
RIP: 0023:0xf7f20579
Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 8d b4 26 00 00 00 00 8d b4 26 00 00 00 00
RSP: 002b:00000000f56c656c EFLAGS: 00000296 ORIG_RAX: 0000000000000172
RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00000000200003c0
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000296 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
</TASK>
----------------
Code disassembly (best guess), 2 bytes skipped:
0: 10 06 adc %al,(%rsi)
2: 03 74 b4 01 add 0x1(%rsp,%rsi,4),%esi
6: 10 07 adc %al,(%rdi)
8: 03 74 b0 01 add 0x1(%rax,%rsi,4),%esi
c: 10 08 adc %cl,(%rax)
e: 03 74 d8 01 add 0x1(%rax,%rbx,8),%esi
1e: 00 51 52 add %dl,0x52(%rcx)
21: 55 push %rbp
22: 89 e5 mov %esp,%ebp
24: 0f 34 sysenter
26: cd 80 int $0x80
* 28: 5d pop %rbp <-- trapping instruction
29: 5a pop %rdx
2a: 59 pop %rcx
2b: c3 ret
2c: 90 nop
2d: 90 nop
2e: 90 nop
2f: 90 nop
30: 8d b4 26 00 00 00 00 lea 0x0(%rsi,%riz,1),%esi
37: 8d b4 26 00 00 00 00 lea 0x0(%rsi,%riz,1),%esi
---
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