netlink: 64 bytes leftover after parsing attributes in process `syz.0.1051'. siw: device registration error -23 smc: removing ib device syz2 ------------[ cut here ]------------ WARNING: CPU: 0 PID: 9907 at drivers/infiniband/sw/rxe/rxe_pool.c:116 rxe_pool_cleanup+0x48/0x60 drivers/infiniband/sw/rxe/rxe_pool.c:116 Modules linked in: CPU: 0 UID: 0 PID: 9907 Comm: syz.0.1051 Not tainted 6.15.0-next-20250605-syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 RIP: 0010:rxe_pool_cleanup+0x48/0x60 drivers/infiniband/sw/rxe/rxe_pool.c:116 Code: 00 fc ff df 80 3c 08 00 74 08 48 89 df e8 d0 8f 83 f9 48 83 3b 00 75 0c e8 15 17 20 f9 5b c3 cc cc cc cc cc e8 09 17 20 f9 90 <0f> 0b 90 5b e9 4f 52 c9 02 cc 66 66 66 66 66 2e 0f 1f 84 00 00 00 RSP: 0018:ffffc90002fc7098 EFLAGS: 00010246 RAX: ffffffff88a04787 RBX: ffff8880562613a0 RCX: 0000000000080000 RDX: ffffc9000be69000 RSI: 000000000007ffff RDI: 0000000000080000 RBP: ffff888056261080 R08: ffff888056260783 R09: 1ffff1100ac4c0f0 R10: dffffc0000000000 R11: ffffffff889e84b0 R12: dffffc0000000000 R13: dffffc0000000000 R14: ffffffff889e84b0 R15: dffffc0000000000 FS: 00007f2e747f66c0(0000) GS:ffff888125c4d000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055555c3d95c8 CR3: 0000000031c6e000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: rxe_dealloc+0x27/0xc0 drivers/infiniband/sw/rxe/rxe.c:24 ib_dealloc_device+0x54/0x200 drivers/infiniband/core/device.c:656 __ib_unregister_device+0x393/0x3f0 drivers/infiniband/core/device.c:1536 ib_unregister_device_and_put+0xb8/0xf0 drivers/infiniband/core/device.c:1583 nldev_dellink+0x2d1/0x320 drivers/infiniband/core/nldev.c:1826 rdma_nl_rcv_msg drivers/infiniband/core/netlink.c:-1 [inline] rdma_nl_rcv_skb drivers/infiniband/core/netlink.c:239 [inline] rdma_nl_rcv+0x6ab/0x980 drivers/infiniband/core/netlink.c:259 netlink_unicast_kernel net/netlink/af_netlink.c:1313 [inline] netlink_unicast+0x75b/0x8d0 net/netlink/af_netlink.c:1339 netlink_sendmsg+0x805/0xb30 net/netlink/af_netlink.c:1883 sock_sendmsg_nosec net/socket.c:712 [inline] __sock_sendmsg+0x219/0x270 net/socket.c:727 ____sys_sendmsg+0x505/0x830 net/socket.c:2566 ___sys_sendmsg+0x21f/0x2a0 net/socket.c:2620 __sys_sendmsg net/socket.c:2652 [inline] __do_sys_sendmsg net/socket.c:2657 [inline] __se_sys_sendmsg net/socket.c:2655 [inline] __x64_sys_sendmsg+0x19b/0x260 net/socket.c:2655 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f2e7698e929 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f2e747f6038 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f2e76bb5fa0 RCX: 00007f2e7698e929 RDX: 0000000000000000 RSI: 00002000000002c0 RDI: 0000000000000009 RBP: 00007f2e76a10b39 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f2e76bb5fa0 R15: 00007ffe6e631308