siw: device registration error -23 smc: removing ib device syz2 ------------[ cut here ]------------ !xa_empty(&pool->xa) WARNING: drivers/infiniband/sw/rxe/rxe_pool.c:116 at rxe_pool_cleanup+0x46/0x60 drivers/infiniband/sw/rxe/rxe_pool.c:116, CPU#0: syz.0.1011/11342 Modules linked in: CPU: 0 UID: 0 PID: 11342 Comm: syz.0.1011 Tainted: G L syzkaller #0 PREEMPT(full) Tainted: [L]=SOFTLOCKUP Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 RIP: 0010:rxe_pool_cleanup+0x46/0x60 drivers/infiniband/sw/rxe/rxe_pool.c:116 Code: ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 29 48 83 bb 80 00 00 00 00 75 0b e8 36 84 51 f9 5b e9 10 67 da 02 e8 2b 84 51 f9 90 <0f> 0b 90 e8 22 84 51 f9 5b e9 fc 66 da 02 e8 97 d0 bd f9 eb d0 0f RSP: 0018:ffffc90003f271a0 EFLAGS: 00010246 RAX: 0000000000080000 RBX: ffff888058359370 RCX: ffffc9000e741000 RDX: 0000000000080000 RSI: ffffffff88b71495 RDI: ffff8880583593f0 RBP: ffffffff88b57720 R08: 0000000000000005 R09: 0000000000000001 R10: 0000000000000002 R11: 0000000000000000 R12: ffff8880583586b0 R13: ffff888058357fe0 R14: ffff888058357fe0 R15: ffff8880583590d0 FS: 00007fca40e216c0(0000) GS:ffff888124352000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00005555879307d0 CR3: 0000000057195000 CR4: 00000000003526f0 Call Trace: rxe_dealloc+0x25/0xc0 drivers/infiniband/sw/rxe/rxe.c:24 ib_dealloc_device+0x49/0x230 drivers/infiniband/core/device.c:665 __ib_unregister_device+0x396/0x480 drivers/infiniband/core/device.c:1545 ib_unregister_device_and_put+0x5a/0x80 drivers/infiniband/core/device.c:1592 nldev_dellink+0x226/0x320 drivers/infiniband/core/nldev.c:1827 rdma_nl_rcv_msg+0x38a/0x6e0 drivers/infiniband/core/netlink.c:195 rdma_nl_rcv_skb.constprop.0.isra.0+0x2cb/0x410 drivers/infiniband/core/netlink.c:239 netlink_unicast_kernel net/netlink/af_netlink.c:1318 [inline] netlink_unicast+0x5aa/0x870 net/netlink/af_netlink.c:1344 netlink_sendmsg+0x8b0/0xda0 net/netlink/af_netlink.c:1894 sock_sendmsg_nosec net/socket.c:727 [inline] __sock_sendmsg net/socket.c:742 [inline] ____sys_sendmsg+0xa54/0xc30 net/socket.c:2592 ___sys_sendmsg+0x190/0x1e0 net/socket.c:2646 __sys_sendmsg+0x170/0x220 net/socket.c:2678 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x106/0xf80 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fca3ff9bf79 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:00007fca40e21028 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007fca40216090 RCX: 00007fca3ff9bf79 RDX: 0000000000000000 RSI: 00002000000002c0 RDI: 000000000000000c RBP: 00007fca400327e0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fca40216128 R14: 00007fca40216090 R15: 00007ffe205eb1c8