siw: device registration error -23 smc: removing ib device syz2 ------------[ cut here ]------------ WARNING: CPU: 1 PID: 31340 at drivers/infiniband/sw/rxe/rxe_pool.c:116 rxe_pool_cleanup+0x42/0x50 drivers/infiniband/sw/rxe/rxe_pool.c:116 Modules linked in: CPU: 1 PID: 31340 Comm: syz.4.7706 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 RIP: 0010:rxe_pool_cleanup+0x42/0x50 drivers/infiniband/sw/rxe/rxe_pool.c:116 Code: 48 b9 00 00 00 00 00 fc ff df 80 3c 08 00 74 08 48 89 df e8 10 bd 06 fa 48 83 3b 00 75 07 e8 25 86 ae f9 5b c3 e8 1e 86 ae f9 <0f> 0b 5b c3 66 2e 0f 1f 84 00 00 00 00 00 66 0f 1f 00 55 41 57 41 RSP: 0018:ffffc9000de7f148 EFLAGS: 00010246 RAX: ffffffff87d89bb2 RBX: ffff8880677dd290 RCX: 0000000000080000 RDX: ffffc90010861000 RSI: 000000000007ffff RDI: 0000000000080000 RBP: 0000000000000002 R08: ffff8880677dc743 R09: 1ffff1100cefb8e8 R10: dffffc0000000000 R11: ffffed100cefb8e9 R12: dffffc0000000000 R13: 0000000000000008 R14: ffffffff87d6dd80 R15: dffffc0000000000 FS: 00007f0dbbc7e6c0(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fbe1abc5292 CR3: 000000005cbb1000 CR4: 00000000003506e0 Call Trace: rxe_dealloc+0x33/0x100 drivers/infiniband/sw/rxe/rxe.c:24 ib_dealloc_device+0x4e/0x1f0 drivers/infiniband/core/device.c:667 __ib_unregister_device+0x120/0x170 drivers/infiniband/core/device.c:1507 ib_unregister_device_and_put+0xb8/0xf0 drivers/infiniband/core/device.c:1554 nldev_dellink+0x293/0x320 drivers/infiniband/core/nldev.c:1762 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+0x6e3/0xa20 drivers/infiniband/core/netlink.c:259 netlink_unicast_kernel net/netlink/af_netlink.c:1320 [inline] netlink_unicast+0x751/0x8d0 net/netlink/af_netlink.c:1346 netlink_sendmsg+0x8d0/0xbf0 net/netlink/af_netlink.c:1894 sock_sendmsg_nosec net/socket.c:730 [inline] __sock_sendmsg net/socket.c:745 [inline] ____sys_sendmsg+0x5ba/0x960 net/socket.c:2594 ___sys_sendmsg+0x2a6/0x360 net/socket.c:2648 __sys_sendmsg net/socket.c:2677 [inline] __do_sys_sendmsg net/socket.c:2686 [inline] __se_sys_sendmsg+0x1c2/0x2b0 net/socket.c:2684 do_syscall_x64 arch/x86/entry/common.c:46 [inline] do_syscall_64+0x55/0xa0 arch/x86/entry/common.c:76 entry_SYSCALL_64_after_hwframe+0x68/0xd2 RIP: 0033:0x7f0dbad9c819 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:00007f0dbbc7e028 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f0dbb015fa0 RCX: 00007f0dbad9c819 RDX: 0000000000000000 RSI: 00002000000002c0 RDI: 0000000000000008 RBP: 00007f0dbae32c91 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f0dbb016038 R14: 00007f0dbb015fa0 R15: 00007fffa1096c68