iwpm_register_pid: Unable to send a nlmsg (client = 2) infiniband syz1: RDMA CMA: cma_listen_on_dev, error -98 smc: removing ib device rxe0 ------------[ cut here ]------------ WARNING: drivers/infiniband/sw/rxe/rxe_pool.c:116 at rxe_pool_cleanup+0x58/0x60 drivers/infiniband/sw/rxe/rxe_pool.c:116, CPU#0: syz.4.560/7501 Modules linked in: CPU: 0 UID: 0 PID: 7501 Comm: syz.4.560 Tainted: G M syzkaller #0 PREEMPT Tainted: [M]=MACHINE_CHECK Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : rxe_pool_cleanup+0x58/0x60 drivers/infiniband/sw/rxe/rxe_pool.c:116 lr : rxe_pool_cleanup+0x58/0x60 drivers/infiniband/sw/rxe/rxe_pool.c:116 sp : ffff800094456f40 x29: ffff800094456f40 x28: dfff800000000000 x27: ffff0000cac7c686 x26: dfff800000000000 x25: ffff0000d5861148 x24: dfff800000000000 x23: 1fffe0001ab0c1f9 x22: ffff0000d5860fc8 x21: dfff800000000000 x20: ffff80008455fca0 x19: ffff0000d5861468 x18: 00000000ffffffff x17: 4d45545359534255 x16: 5300306578722f64 x15: 0000000000000001 x14: 000000000094da63 x13: 0000000000000001 x12: 0000000000000000 x11: 0000000000000000 x10: 0000000000080000 x9 : 0000000000080000 x8 : ffff8000a104b000 x7 : 0000000000000000 x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000008 x3 : ffff8000843e0a2c x2 : 0000000000000002 x1 : ffff0000d095bb00 x0 : 0000000000000001 Call trace: rxe_pool_cleanup+0x58/0x60 drivers/infiniband/sw/rxe/rxe_pool.c:116 (P) rxe_dealloc+0x30/0xd0 drivers/infiniband/sw/rxe/rxe.c:26 ib_dealloc_device+0x50/0x1e0 drivers/infiniband/core/device.c:691 __ib_unregister_device+0x2bc/0x33c drivers/infiniband/core/device.c:1589 ib_unregister_device_and_put+0x5c/0x80 drivers/infiniband/core/device.c:1636 nldev_dellink+0x330/0x374 drivers/infiniband/core/nldev.c:1902 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+0x4f0/0x814 drivers/infiniband/core/netlink.c:259 netlink_unicast_kernel net/netlink/af_netlink.c:1338 [inline] netlink_unicast+0x600/0x7f8 net/netlink/af_netlink.c:1364 netlink_sendmsg+0x648/0x948 net/netlink/af_netlink.c:1919 sock_sendmsg_nosec net/socket.c:800 [inline] __sock_sendmsg+0xc8/0x17c net/socket.c:815 ____sys_sendmsg+0x3d0/0x6c8 net/socket.c:2713 ___sys_sendmsg+0x198/0x224 net/socket.c:2767 __sys_sendmsg+0x158/0x204 net/socket.c:2799 __do_sys_sendmsg net/socket.c:2804 [inline] __se_sys_sendmsg net/socket.c:2802 [inline] __arm64_sys_sendmsg+0x88/0x9c net/socket.c:2802 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline] invoke_syscall+0x98/0x244 arch/arm64/kernel/syscall.c:49 el0_svc_common+0xec/0x23c arch/arm64/kernel/syscall.c:121 do_el0_svc+0x4c/0x5c arch/arm64/kernel/syscall.c:140 el0_svc+0x60/0x1d8 arch/arm64/kernel/entry-common.c:796 el0t_64_sync_handler+0x44/0x104 arch/arm64/kernel/entry-common.c:815 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:606 irq event stamp: 242812 hardirqs last enabled at (242811): [] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:210 [inline] hardirqs last enabled at (242811): [] _raw_spin_unlock_irqrestore+0x38/0x98 kernel/locking/spinlock.c:221 hardirqs last disabled at (242812): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:483 softirqs last enabled at (242694): [] __alloc_skb+0x1c0/0x610 net/core/skbuff.c:698 softirqs last disabled at (242692): [] local_bh_disable include/linux/bottom_half.h:20 [inline] softirqs last disabled at (242692): [] __alloc_skb+0x1a8/0x610 net/core/skbuff.c:697 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: drivers/infiniband/sw/rxe/rxe_pool.c:116 at rxe_pool_cleanup+0x58/0x60 drivers/infiniband/sw/rxe/rxe_pool.c:116, CPU#0: syz.4.560/7501 Modules linked in: CPU: 0 UID: 0 PID: 7501 Comm: syz.4.560 Tainted: G M W syzkaller #0 PREEMPT Tainted: [M]=MACHINE_CHECK, [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : rxe_pool_cleanup+0x58/0x60 drivers/infiniband/sw/rxe/rxe_pool.c:116 lr : rxe_pool_cleanup+0x58/0x60 drivers/infiniband/sw/rxe/rxe_pool.c:116 sp : ffff800094456f40 x29: ffff800094456f40 x28: dfff800000000000 x27: ffff0000cac7c686 x26: dfff800000000000 x25: ffff0000d5861148 x24: dfff800000000000 x23: 1fffe0001ab0c1f9 x22: ffff0000d5860fc8 x21: dfff800000000000 x20: ffff80008455fca0 x19: ffff0000d5861760 x18: 00000000ffffffff x17: 4d45545359534255 x16: 5300306578722f64 x15: 0000000000000001 x14: 000000000094da63 x13: 0000000000000001 x12: 0000000000000000 x11: 0000000000000000 x10: 0000000000080000 x9 : 0000000000080000 x8 : ffff8000a104b000 x7 : 0000000000000000 x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000008 x3 : ffff8000843e0a2c x2 : 0000000000000002 x1 : ffff0000d095bb00 x0 : 0000000000000001 Call trace: rxe_pool_cleanup+0x58/0x60 drivers/infiniband/sw/rxe/rxe_pool.c:116 (P) rxe_dealloc+0x6c/0xd0 drivers/infiniband/sw/rxe/rxe.c:31 ib_dealloc_device+0x50/0x1e0 drivers/infiniband/core/device.c:691 __ib_unregister_device+0x2bc/0x33c drivers/infiniband/core/device.c:1589 ib_unregister_device_and_put+0x5c/0x80 drivers/infiniband/core/device.c:1636 nldev_dellink+0x330/0x374 drivers/infiniband/core/nldev.c:1902 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+0x4f0/0x814 drivers/infiniband/core/netlink.c:259 netlink_unicast_kernel net/netlink/af_netlink.c:1338 [inline] netlink_unicast+0x600/0x7f8 net/netlink/af_netlink.c:1364 netlink_sendmsg+0x648/0x948 net/netlink/af_netlink.c:1919 sock_sendmsg_nosec net/socket.c:800 [inline] __sock_sendmsg+0xc8/0x17c net/socket.c:815 ____sys_sendmsg+0x3d0/0x6c8 net/socket.c:2713 ___sys_sendmsg+0x198/0x224 net/socket.c:2767 __sys_sendmsg+0x158/0x204 net/socket.c:2799 __do_sys_sendmsg net/socket.c:2804 [inline] __se_sys_sendmsg net/socket.c:2802 [inline] __arm64_sys_sendmsg+0x88/0x9c net/socket.c:2802 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline] invoke_syscall+0x98/0x244 arch/arm64/kernel/syscall.c:49 el0_svc_common+0xec/0x23c arch/arm64/kernel/syscall.c:121 do_el0_svc+0x4c/0x5c arch/arm64/kernel/syscall.c:140 el0_svc+0x60/0x1d8 arch/arm64/kernel/entry-common.c:796 el0t_64_sync_handler+0x44/0x104 arch/arm64/kernel/entry-common.c:815 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:606 irq event stamp: 242946 hardirqs last enabled at (242945): [] irqentry_exit_to_kernel_mode_after_preempt include/linux/irq-entry-common.h:507 [inline] hardirqs last enabled at (242945): [] __arm64_exit_to_kernel_mode+0x70/0xcc arch/arm64/kernel/entry-common.c:98 hardirqs last disabled at (242946): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:483 softirqs last enabled at (242944): [] softirq_handle_end kernel/softirq.c:491 [inline] softirqs last enabled at (242944): [] handle_softirqs+0xb2c/0xcbc kernel/softirq.c:673 softirqs last disabled at (242815): [] __do_softirq+0x14/0x20 kernel/softirq.c:679 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: drivers/infiniband/core/restrack.c:52 at rdma_restrack_clean+0xa4/0xd4 drivers/infiniband/core/restrack.c:52, CPU#0: syz.4.560/7501 Modules linked in: CPU: 0 UID: 0 PID: 7501 Comm: syz.4.560 Tainted: G M W syzkaller #0 PREEMPT Tainted: [M]=MACHINE_CHECK, [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : rdma_restrack_clean+0xa4/0xd4 drivers/infiniband/core/restrack.c:52 lr : rdma_restrack_clean+0xa4/0xd4 drivers/infiniband/core/restrack.c:52 sp : ffff800094456f30 x29: ffff800094456f30 x28: dfff800000000000 x27: ffff0000cac7c686 x26: dfff800000000000 x25: ffff0000d5577000 x24: ffff0000d5577048 x23: 0000000000000048 x22: 1fffe0001ab0c1e2 x21: dfff800000000000 x20: ffff0000d5577000 x19: ffff0000d5860f10 x18: 00000000ffffffff x17: 4d45545359534255 x16: 5300306578722f64 x15: 0000000000000001 x14: 000000000094ddee x13: 0000000000000001 x12: 0000000000000000 x11: 0000000000000000 x10: 0000000000080000 x9 : 0000000000080000 x8 : ffff8000a104b000 x7 : 0000000000000000 x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000008 x3 : ffff8000843deed0 x2 : 0000000000000000 x1 : ffff0000d095bb00 x0 : 0000000000000001 Call trace: rdma_restrack_clean+0xa4/0xd4 drivers/infiniband/core/restrack.c:52 (P) ib_dealloc_device+0x14c/0x1e0 drivers/infiniband/core/device.c:710 __ib_unregister_device+0x2bc/0x33c drivers/infiniband/core/device.c:1589 ib_unregister_device_and_put+0x5c/0x80 drivers/infiniband/core/device.c:1636 nldev_dellink+0x330/0x374 drivers/infiniband/core/nldev.c:1902 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+0x4f0/0x814 drivers/infiniband/core/netlink.c:259 netlink_unicast_kernel net/netlink/af_netlink.c:1338 [inline] netlink_unicast+0x600/0x7f8 net/netlink/af_netlink.c:1364 netlink_sendmsg+0x648/0x948 net/netlink/af_netlink.c:1919 sock_sendmsg_nosec net/socket.c:800 [inline] __sock_sendmsg+0xc8/0x17c net/socket.c:815 ____sys_sendmsg+0x3d0/0x6c8 net/socket.c:2713 ___sys_sendmsg+0x198/0x224 net/socket.c:2767 __sys_sendmsg+0x158/0x204 net/socket.c:2799 __do_sys_sendmsg net/socket.c:2804 [inline] __se_sys_sendmsg net/socket.c:2802 [inline] __arm64_sys_sendmsg+0x88/0x9c net/socket.c:2802 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline] invoke_syscall+0x98/0x244 arch/arm64/kernel/syscall.c:49 el0_svc_common+0xec/0x23c arch/arm64/kernel/syscall.c:121 do_el0_svc+0x4c/0x5c arch/arm64/kernel/syscall.c:140 el0_svc+0x60/0x1d8 arch/arm64/kernel/entry-common.c:796 el0t_64_sync_handler+0x44/0x104 arch/arm64/kernel/entry-common.c:815 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:606 irq event stamp: 243448 hardirqs last enabled at (243447): [] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:210 [inline] hardirqs last enabled at (243447): [] _raw_spin_unlock_irqrestore+0x38/0x98 kernel/locking/spinlock.c:221 hardirqs last disabled at (243448): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:483 softirqs last enabled at (243444): [] softirq_handle_end kernel/softirq.c:491 [inline] softirqs last enabled at (243444): [] handle_softirqs+0xb2c/0xcbc kernel/softirq.c:673 softirqs last disabled at (242949): [] __do_softirq+0x14/0x20 kernel/softirq.c:679 ---[ end trace 0000000000000000 ]---