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AJvYcCUvje/Sqg0sa+j/QJn9/AtLrYsXmB6v5OSkYsA+KLv5aTFrq0AnXa4j06KBb2CAq3kdZpDpr+RrffmsOs8=@vger.kernel.org X-Gm-Message-State: AOJu0YwpS6khGrSZW1d0lFinVfWM+k7E6twjDuZQ7EgH2JNBjstY64SV XXDUbsDmTVv9wPWGdFYSIoAY1tFWj86ydssf27+Dv4yuC1u4F0n24L989dXunu605kAmAffLSgF ZGgHtknnCrILgbxEez9ocBpHoXSrVvwWSLN+x/OQ1gfasAxOdKxmUgOEfm3I= X-Google-Smtp-Source: AGHT+IHxmanH59T50NpRvac3TcA4p3LXyFa7s/9ZuwAxAzMcEH+8hGT/lIUIOBUoDw0VQ0eZt1jzKDLmj4MSC5FtSpJEuRakLFOI Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6e02:154e:b0:417:fc48:51e0 with SMTP id e9e14a558f8ab-4209d40feebmr69291615ab.6.1757713415289; Fri, 12 Sep 2025 14:43:35 -0700 (PDT) Date: Fri, 12 Sep 2025 14:43:35 -0700 In-Reply-To: <19d2990f-ba92-4fef-891d-26baf03afe18@linux.dev> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <68c49407.050a0220.3c6139.04b4.GAE@google.com> Subject: Re: [syzbot] [rdma?] WARNING in gid_table_release_one (3) From: syzbot To: yanjun.zhu@linux.dev Cc: jgg@ziepe.ca, leon@kernel.org, yanjun.zhu@linux.dev, linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" > #syz test:https://github.com/zhuyj/linux.git v6.17_fix_gid_table_release_one unknown command "test:https://github.com/zhuyj/linux.git" > > On 9/12/25 2:20 PM, syzbot wrote: >> Hello, >> >> syzbot has tested the proposed patch but the reproducer is still triggering an issue: >> WARNING in gid_table_release_one >> >> WARNING: CPU: 1 PID: 1342 at drivers/infiniband/core/cache.c:809 release_gid_table drivers/infiniband/core/cache.c:806 [inline] >> WARNING: CPU: 1 PID: 1342 at drivers/infiniband/core/cache.c:809 gid_table_release_one+0x346/0x4d0 drivers/infiniband/core/cache.c:886 >> Modules linked in: >> CPU: 1 UID: 0 PID: 1342 Comm: kworker/u8:7 Not tainted syzkaller #0 PREEMPT(full) >> Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 >> Workqueue: ib-unreg-wq ib_unregister_work >> RIP: 0010:release_gid_table drivers/infiniband/core/cache.c:806 [inline] >> RIP: 0010:gid_table_release_one+0x346/0x4d0 drivers/infiniband/core/cache.c:886 >> Code: e8 03 48 b9 00 00 00 00 00 fc ff df 0f b6 04 08 84 c0 75 3d 41 8b 0e 48 c7 c7 00 46 71 8c 4c 89 e6 44 89 fa e8 3b a5 fa f8 90 <0f> 0b 90 90 e9 e3 fe ff ff 44 89 e9 80 e1 07 80 c1 03 38 c1 0f 8c >> RSP: 0018:ffffc90004bff908 EFLAGS: 00010246 >> RAX: 6115427e6ab01100 RBX: ffff88807855c2d8 RCX: ffff888027abbc00 >> RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000002 >> RBP: 1ffff1100f0ab85b R08: 0000000000000003 R09: 0000000000000004 >> R10: dffffc0000000000 R11: fffffbfff1bfa24c R12: ffff8880206a4b40 >> R13: ffff88807855c200 R14: ffff88801ffd5a00 R15: 0000000000000002 >> FS: 0000000000000000(0000) GS:ffff888125d16000(0000) knlGS:0000000000000000 >> CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 >> CR2: 0000200000000240 CR3: 000000005e54a000 CR4: 00000000003526f0 >> Call Trace: >> >> ib_device_release+0xd2/0x1c0 drivers/infiniband/core/device.c:509 >> device_release+0x99/0x1c0 drivers/base/core.c:-1 >> kobject_cleanup lib/kobject.c:689 [inline] >> kobject_release lib/kobject.c:720 [inline] >> kref_put include/linux/kref.h:65 [inline] >> kobject_put+0x22b/0x480 lib/kobject.c:737 >> process_one_work kernel/workqueue.c:3236 [inline] >> process_scheduled_works+0xae1/0x17b0 kernel/workqueue.c:3319 >> worker_thread+0x8a0/0xda0 kernel/workqueue.c:3400 >> kthread+0x70e/0x8a0 kernel/kthread.c:463 >> ret_from_fork+0x4bc/0x870 arch/x86/kernel/process.c:148 >> ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 >> >> >> >> Tested on: >> >> commit: e5320428 RDMA/rxe: Add logs to find out the root cause >> git tree:https://github.com/zhuyj/linux.git v6.17_fix_gid_table_release_one >> console output:https://syzkaller.appspot.com/x/log.txt?x=12829934580000 >> kernel config:https://syzkaller.appspot.com/x/.config?x=4239c29711f936f >> dashboard link:https://syzkaller.appspot.com/bug?extid=b0da83a6c0e2e2bddbd4 >> compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 >> >> Note: no patches were applied.