iwpm_register_pid: Unable to send a nlmsg (client = 2) infiniband syz1: RDMA CMA: cma_listen_on_dev, error -98 smc: removing ib device syz0 ------------[ cut here ]------------ WARNING: CPU: 1 PID: 8117 at drivers/infiniband/sw/rxe/rxe_pool.c:116 rxe_pool_cleanup+0x47/0x50 drivers/infiniband/sw/rxe/rxe_pool.c:116 Modules linked in: CPU: 1 UID: 0 PID: 8117 Comm: syz.3.460 Not tainted 6.12.0-rc6-syzkaller-00169-g906bd684e4b1 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/30/2024 RIP: 0010:rxe_pool_cleanup+0x47/0x50 drivers/infiniband/sw/rxe/rxe_pool.c:116 Code: 00 00 fc ff df 80 3c 08 00 74 08 48 89 df e8 10 8f 2b f9 48 83 3b 00 75 0b e8 95 ec c4 f8 5b c3 cc cc cc cc e8 8a ec c4 f8 90 <0f> 0b 90 5b c3 cc cc cc cc 90 90 90 90 90 90 90 90 90 90 90 90 90 RSP: 0018:ffffc9000b317108 EFLAGS: 00010246 RAX: ffffffff88cfed76 RBX: ffff8880607e5378 RCX: 0000000000040000 RDX: ffffc9000ae2e000 RSI: 000000000003ffff RDI: 0000000000040000 RBP: 0000000000000002 R08: ffffffff88a85a73 R09: 1ffff1100c0fc8ec R10: dffffc0000000000 R11: ffffffff88ce0230 R12: dffffc0000000000 R13: dffffc0000000000 R14: ffff8880607e4648 R15: dffffc0000000000 FS: 00007fc898a3b6c0(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b3021bff8 CR3: 0000000035f7c000 CR4: 00000000003526f0 Call Trace: rxe_dealloc+0x33/0x100 drivers/infiniband/sw/rxe/rxe.c:24 ib_dealloc_device+0x50/0x200 drivers/infiniband/core/device.c:663 __ib_unregister_device+0x366/0x3d0 drivers/infiniband/core/device.c:1536 ib_unregister_device_and_put+0xb9/0xf0 drivers/infiniband/core/device.c:1583 nldev_dellink+0x2c6/0x310 drivers/infiniband/core/nldev.c:1825 rdma_nl_rcv_skb drivers/infiniband/core/netlink.c:239 [inline] rdma_nl_rcv+0x6dd/0x9e0 drivers/infiniband/core/netlink.c:259 netlink_unicast_kernel net/netlink/af_netlink.c:1331 [inline] netlink_unicast+0x7f6/0x990 net/netlink/af_netlink.c:1357 netlink_sendmsg+0x8e4/0xcb0 net/netlink/af_netlink.c:1901 sock_sendmsg_nosec net/socket.c:729 [inline] __sock_sendmsg+0x221/0x270 net/socket.c:744 ____sys_sendmsg+0x52a/0x7e0 net/socket.c:2607 ___sys_sendmsg net/socket.c:2661 [inline] __sys_sendmsg+0x292/0x380 net/socket.c:2690 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fc897b7e719 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:00007fc898a3b038 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007fc897d35f80 RCX: 00007fc897b7e719 RDX: 0000000020000000 RSI: 00000000200002c0 RDI: 0000000000000005 RBP: 00007fc897bf139e R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007fc897d35f80 R15: 00007ffed8559ef8