------------[ cut here ]------------ !ret WARNING: drivers/infiniband/sw/rxe/rxe_pool.c:212 at __rxe_cleanup+0x311/0x350 drivers/infiniband/sw/rxe/rxe_pool.c:212, CPU#0: kworker/u8:9/3389 Modules linked in: CPU: 0 UID: 0 PID: 3389 Comm: kworker/u8:9 Tainted: G L syzkaller #0 PREEMPT(full) Tainted: [L]=SOFTLOCKUP Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/26/2026 Workqueue: krds_cp_wq#0/0 rds_shutdown_worker RIP: 0010:__rxe_cleanup+0x311/0x350 drivers/infiniband/sw/rxe/rxe_pool.c:212 Code: f7 be 03 00 00 00 e8 7e 15 e8 fb 40 84 ed 0f 85 26 fe ff ff e9 5b fe ff ff e8 5b 89 cf f8 90 0f 0b 90 eb 09 e8 50 89 cf f8 90 <0f> 0b 90 41 be 92 ff ff ff e9 47 ff ff ff 44 89 f1 80 e1 07 80 c1 RSP: 0018:ffffc9000f2ff6d0 EFLAGS: 00010293 RAX: ffffffff88f888b0 RBX: ffff88807f162250 RCX: ffff888034160000 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000001 R08: ffffffff917a757f R09: 1ffffffff22f4eaf R10: dffffc0000000000 R11: fffffbfff22f4eb0 R12: ffff88807e7615a0 R13: 00000000ffffffff R14: 0000000000000000 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff888123abf000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffd5380382c CR3: 000000003558f000 CR4: 0000000000350ef0 Call Trace: rxe_destroy_qp+0x74/0x270 drivers/infiniband/sw/rxe/rxe_verbs.c:661 ib_destroy_qp_user+0x354/0x5a0 drivers/infiniband/core/verbs.c:2182 ib_destroy_qp include/rdma/ib_verbs.h:4103 [inline] rdma_destroy_qp+0xd0/0x250 drivers/infiniband/core/cma.c:1170 rds_ib_conn_path_shutdown+0x9bd/0x1820 net/rds/ib_cm.c:1113 rds_conn_shutdown+0x477/0xb20 net/rds/connection.c:440 process_one_work kernel/workqueue.c:3396 [inline] process_scheduled_works+0xc3d/0x1630 kernel/workqueue.c:3479 worker_thread+0xa47/0xfb0 kernel/workqueue.c:3560 kthread+0x38b/0x480 kernel/kthread.c:436 ret_from_fork+0x514/0xb70 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245