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AKwUvBzAeuy80MuYFr0VXHj5btb7xdf5WwAfYfLVWcicYfjsZyX5qmHq6KWMGh0+9mz1WxV8cwMX4Vg=@vger.kernel.org X-Gm-Message-State: AFq9FYInl3BfxFJ5CzL1CXrexPUrVwMxfBknhC1pvy7TX3Q8MzkhKga4 xZzWM2Dc4rezRphvc03bcX//PLsJyWyYWwrB55PB9kpvnx1GZFM2p9RQaZOfjpktjffvStwVE86 q61fUlodb2cFcDYjXptP/ZaXKN55cUr7o7xDN+1R//YYgjvjI3otJTsS3e/Q= Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6808:4fdf:b0:4f5:6fff:3ac4 with SMTP id 5614622812f47-50c516e42b7mr22514191b6e.41.1792118736843; Thu, 15 Oct 2026 19:45:36 -0700 (PDT) Date: Thu, 15 Oct 2026 19:45:36 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <6ad18fd0.7514cce4.1ece07.011f.GAE@google.com> Subject: [syzbot] [rds?] WARNING in __rds_conn_create (2) From: syzbot To: achender@kernel.org, allison.henderson@oracle.com, davem@davemloft.net, edumazet@kernel.org, horms@kernel.org, kuba@kernel.org, linux-kernel@vger.kernel.org, linux-rdma@vger.kernel.org, netdev@vger.kernel.org, pabeni@redhat.com, rds-devel@oss.oracle.com, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Hello, syzbot found the following issue on: HEAD commit: 0fcb05b72344 Merge tag 'libcrypto-fixes-for-linus' of git:.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=11e64dd1580000 kernel config: https://syzkaller.appspot.com/x/.config?x=4ccb65e03706547e dashboard link: https://syzkaller.appspot.com/bug?extid=c3741bb338b5c6d6a4aa compiler: Debian clang version 22.1.8 (1~deb13u4), Debian LLD 22.1.8 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=14ef43c9580000 Downloadable assets: disk image (non-bootable): https://storage.googleapis.com/syzbot-assets/d900f083ada3/non_bootable_disk-0fcb05b7.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/d63a4093e9d7/vmlinux-0fcb05b7.xz kernel image: https://storage.googleapis.com/syzbot-assets/238bf14f8b3f/bzImage-0fcb05b7.xz mounted in repro: https://storage.googleapis.com/syzbot-assets/b883c5a2bb3e/mount_0.gz fsck result: failed (log: https://syzkaller.appspot.com/x/fsck.log?x=13f70fd1580000) IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+c3741bb338b5c6d6a4aa@syzkaller.appspotmail.com XFS (loop0): Quotacheck: Done. ------------[ cut here ]------------ raw_local_irq_restore() called with IRQs enabled WARNING: kernel/locking/irqflag-debug.c:10 at warn_bogus_irq_restore+0xc/0x20 kernel/locking/irqflag-debug.c:10, CPU#0: syz.0.18/5745 Modules linked in: CPU: 0 UID: 0 PID: 5745 Comm: syz.0.18 Not tainted syzkaller #0 PREEMPT(full) Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 RIP: 0010:warn_bogus_irq_restore+0xc/0x20 kernel/locking/irqflag-debug.c:10 Code: cc cc cc cc cc cc cc cc cc cc cc cc cc cc 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 90 48 8d 3d c4 18 93 05 <67> 48 0f b9 3a 90 e9 99 04 03 00 cc cc cc cc cc cc cc cc cc 90 90 RSP: 0018:ffffc9000797f8c0 EFLAGS: 00010206 RAX: 0000000000000202 RBX: 0000000000000287 RCX: 0000000000000000 RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffffffff917dce80 RBP: ffffc9000797fa40 R08: ffffffff914a10e3 R09: 1ffffffff229421c R10: dffffc0000000000 R11: fffffbfff229421d R12: ffffffff8b2acb15 R13: ffff888051146318 R14: ffffffff914a10e0 R15: 0000000000000287 FS: 00007f7afe2f56c0(0000) GS:ffff88808b0b4000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f7afd3ebc40 CR3: 000000004db87000 CR4: 0000000000352ef0 Call Trace: __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:210 [inline] _raw_spin_unlock_irqrestore+0x67/0x80 kernel/locking/spinlock.c:221 spin_unlock_irqrestore include/linux/spinlock.h:425 [inline] __rds_conn_create+0x1de5/0x2290 net/rds/connection.c:364 rds_conn_create_outgoing+0x43/0x60 net/rds/connection.c:394 rds_sendmsg+0xfca/0x20e0 net/rds/send.c:1348 sock_sendmsg_nosec+0x13a/0x180 net/socket.c:800 __sock_sendmsg net/socket.c:815 [inline] __sys_sendto+0x408/0x5a0 net/socket.c:2281 __do_sys_sendto net/socket.c:2288 [inline] __se_sys_sendto net/socket.c:2284 [inline] __x64_sys_sendto+0xde/0x100 net/socket.c:2284 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline] do_syscall_64+0x166/0x520 arch/x86/entry/syscall_64.c:84 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f7afd39e559 Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 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 e8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f7afe2f5028 EFLAGS: 00000246 ORIG_RAX: 000000000000002c RAX: ffffffffffffffda RBX: 00007f7afd625fa0 RCX: 00007f7afd39e559 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000004 RBP: 00007f7afd4358b0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f7afd626038 R14: 00007f7afd625fa0 R15: 00007ffd156f7018 ---------------- Code disassembly (best guess): 0: cc int3 1: cc int3 2: cc int3 3: cc int3 4: cc int3 5: cc int3 6: cc int3 7: cc int3 8: cc int3 9: cc int3 a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 90 nop f: 90 nop 10: 90 nop 11: 90 nop 12: 90 nop 13: 90 nop 14: 90 nop 15: 90 nop 16: 90 nop 17: 90 nop 18: 90 nop 19: 90 nop 1a: 90 nop 1b: 90 nop 1c: 90 nop 1d: 90 nop 1e: f3 0f 1e fa endbr64 22: 90 nop 23: 48 8d 3d c4 18 93 05 lea 0x59318c4(%rip),%rdi # 0x59318ee * 2a: 67 48 0f b9 3a ud1 (%edx),%rdi <-- trapping instruction 2f: 90 nop 30: e9 99 04 03 00 jmp 0x304ce 35: cc int3 36: cc int3 37: cc int3 38: cc int3 39: cc int3 3a: cc int3 3b: cc int3 3c: cc int3 3d: cc int3 3e: 90 nop 3f: 90 nop --- This report is generated by a bot. It may contain errors. See https://goo.gl/tpsmEJ for more information about syzbot. syzbot engineers can be reached at syzkaller@googlegroups.com. syzbot will keep track of this issue. See: https://goo.gl/tpsmEJ#status for how to communicate with syzbot. If the report is already addressed, let syzbot know by replying with: #syz fix: exact-commit-title If you want syzbot to run the reproducer, reply with: #syz test: git://repo/address.git branch-or-commit-hash If you attach or paste a git patch, syzbot will apply it before testing. If you want to overwrite report's subsystems, reply with: #syz set subsystems: new-subsystem (See the list of subsystem names on the web dashboard) If the report is a duplicate of another one, reply with: #syz dup: exact-subject-of-another-report If you want to undo deduplication, reply with: #syz undup