siw: device registration error -23 smc: removing ib device syz2 smbdirect: ib_dev[syz2] removed ------------[ 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.8.2640/18244 Modules linked in: CPU: 0 UID: 0 PID: 18244 Comm: syz.8.2640 Tainted: G L syzkaller #0 PREEMPT(full) Tainted: [L]=SOFTLOCKUP Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/05/2026 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 a6 27 18 f9 5b c3 cc cc cc cc e8 9b 27 18 f9 90 <0f> 0b 90 e8 92 27 18 f9 5b c3 cc cc cc cc e8 d7 62 8b f9 eb d0 0f RSP: 0018:ffffc90003ccf190 EFLAGS: 00010246 RAX: 0000000000080000 RBX: ffff88802d0453d8 RCX: ffffc90003d31000 RDX: 0000000000080000 RSI: ffffffff88f3ee75 RDI: ffff88802d045458 RBP: ffffffff88f24610 R08: 0000000000000005 R09: 0000000000000001 R10: 0000000000000002 R11: 0000000000000000 R12: ffff88802d0446d0 R13: ffff88802d043fe0 R14: ffff88802d043fe0 R15: ffff88802d045138 FS: 00007fae9ba1b6c0(0000) GS:ffff888123b5a000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00002000000015c0 CR3: 000000005923c000 CR4: 00000000003526f0 Call Trace: rxe_dealloc+0x25/0xc0 drivers/infiniband/sw/rxe/rxe.c:26 ib_dealloc_device+0x49/0x230 drivers/infiniband/core/device.c:691 __ib_unregister_device+0x396/0x480 drivers/infiniband/core/device.c:1589 ib_unregister_device_and_put+0x5a/0x80 drivers/infiniband/core/device.c:1636 nldev_dellink+0x308/0x440 drivers/infiniband/core/nldev.c:1902 rdma_nl_rcv_msg+0x392/0x6f0 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:1319 [inline] netlink_unicast+0x585/0x850 net/netlink/af_netlink.c:1345 netlink_sendmsg+0x8b0/0xda0 net/netlink/af_netlink.c:1900 sock_sendmsg_nosec net/socket.c:800 [inline] __sock_sendmsg net/socket.c:815 [inline] ____sys_sendmsg+0xa4d/0xbe0 net/socket.c:2713 ___sys_sendmsg+0x190/0x1e0 net/socket.c:2767 __sys_sendmsg+0x160/0x210 net/socket.c:2799 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline] do_syscall_64+0x123/0x790 arch/x86/entry/syscall_64.c:84 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fae9ab9e159 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:00007fae9ba1b028 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007fae9ae25fa0 RCX: 00007fae9ab9e159 RDX: 0000000000000000 RSI: 00002000000002c0 RDI: 0000000000000000 RBP: 00007fae9ac3503b R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fae9ae26038 R14: 00007fae9ae25fa0 R15: 00007ffd81c77178