lo speed is unknown, defaulting to 1000
lo speed is unknown, defaulting to 1000
iwpm_register_pid: Unable to send a nlmsg (client = 2)
======================================================
WARNING: possible circular locking dependency detected
6.14.0-rc2-syzkaller-ga64dcfb451e2 #0 Not tainted
------------------------------------------------------
syz.1.570/9837 is trying to acquire lock:
ffff0000f3684218 (sk_lock-AF_INET){+.+.}-{0:0}, at: siw_create_listen+0x164/0xe50 drivers/infiniband/sw/siw/siw_cm.c:1777
but task is already holding lock:
ffff8000923374e8 (lock#7){+.+.}-{4:4}, at: cma_add_one+0x510/0xab4 drivers/infiniband/core/cma.c:5370
which lock already depends on the new lock.
the existing dependency chain (in reverse order) is:
-> #3 (lock#7){+.+.}-{4:4}:
__mutex_lock_common+0x1f0/0x24b8 kernel/locking/mutex.c:585
__mutex_lock kernel/locking/mutex.c:730 [inline]
mutex_lock_nested+0x2c/0x38 kernel/locking/mutex.c:782
cma_init+0x2c/0x158 drivers/infiniband/core/cma.c:5454
do_one_initcall+0x254/0xaa4 init/main.c:1257
do_initcall_level+0x154/0x214 init/main.c:1319
do_initcalls+0x84/0xf4 init/main.c:1335
do_basic_setup+0x8c/0xa0 init/main.c:1354
kernel_init_freeable+0x324/0x478 init/main.c:1568
kernel_init+0x24/0x2a0 init/main.c:1457
ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:862
-> #2 (rtnl_mutex){+.+.}-{4:4}:
__mutex_lock_common+0x1f0/0x24b8 kernel/locking/mutex.c:585
__mutex_lock kernel/locking/mutex.c:730 [inline]
mutex_lock_nested+0x2c/0x38 kernel/locking/mutex.c:782
rtnl_lock+0x20/0x2c net/core/rtnetlink.c:79
start_sync_thread+0xe0/0x24bc net/netfilter/ipvs/ip_vs_sync.c:1761
do_ip_vs_set_ctl+0x550/0xd70 net/netfilter/ipvs/ip_vs_ctl.c:2732
nf_setsockopt+0x270/0x290 net/netfilter/nf_sockopt.c:101
ip_setsockopt+0x118/0x128 net/ipv4/ip_sockglue.c:1424
tcp_setsockopt+0xcc/0xe8 net/ipv4/tcp.c:4030
sock_common_setsockopt+0xb0/0xcc net/core/sock.c:3837
smc_setsockopt+0x1f8/0xd0c net/smc/af_smc.c:3081
do_sock_setsockopt+0x2a0/0x4e0 net/socket.c:2303
__sys_setsockopt net/socket.c:2328 [inline]
__do_sys_setsockopt net/socket.c:2334 [inline]
__se_sys_setsockopt net/socket.c:2331 [inline]
__arm64_sys_setsockopt+0x170/0x1e0 net/socket.c:2331
__invoke_syscall arch/arm64/kernel/syscall.c:35 [inline]
invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:49
el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:132
do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151
el0_svc+0x54/0x168 arch/arm64/kernel/entry-common.c:744
el0t_64_sync_handler+0x84/0x108 arch/arm64/kernel/entry-common.c:762
el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:600
-> #1 (&smc->clcsock_release_lock){+.+.}-{4:4}:
__mutex_lock_common+0x1f0/0x24b8 kernel/locking/mutex.c:585
__mutex_lock kernel/locking/mutex.c:730 [inline]
mutex_lock_nested+0x2c/0x38 kernel/locking/mutex.c:782
smc_switch_to_fallback+0x48/0xa7c net/smc/af_smc.c:903
smc_sendmsg+0xfc/0x9f8 net/smc/af_smc.c:2781
sock_sendmsg_nosec net/socket.c:718 [inline]
__sock_sendmsg net/socket.c:733 [inline]
__sys_sendto+0x360/0x4d8 net/socket.c:2187
__do_sys_sendto net/socket.c:2194 [inline]
__se_sys_sendto net/socket.c:2190 [inline]
__arm64_sys_sendto+0xd8/0xf8 net/socket.c:2190
__invoke_syscall arch/arm64/kernel/syscall.c:35 [inline]
invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:49
el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:132
do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151
el0_svc+0x54/0x168 arch/arm64/kernel/entry-common.c:744
el0t_64_sync_handler+0x84/0x108 arch/arm64/kernel/entry-common.c:762
el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:600
-> #0 (sk_lock-AF_INET){+.+.}-{0:0}:
check_prev_add kernel/locking/lockdep.c:3163 [inline]
check_prevs_add kernel/locking/lockdep.c:3282 [inline]
validate_chain kernel/locking/lockdep.c:3906 [inline]
__lock_acquire+0x34f0/0x7904 kernel/locking/lockdep.c:5228
lock_acquire+0x23c/0x724 kernel/locking/lockdep.c:5851
lock_sock_nested net/core/sock.c:3645 [inline]
lock_sock include/net/sock.h:1624 [inline]
sock_set_reuseaddr+0x58/0x154 net/core/sock.c:788
siw_create_listen+0x164/0xe50 drivers/infiniband/sw/siw/siw_cm.c:1777
iw_cm_listen+0x14c/0x204 drivers/infiniband/core/iwcm.c:585
cma_iw_listen drivers/infiniband/core/cma.c:2684 [inline]
rdma_listen+0x8d0/0xb64 drivers/infiniband/core/cma.c:3969
cma_listen_on_dev+0x31c/0x648 drivers/infiniband/core/cma.c:2743
cma_add_one+0x5ec/0xab4 drivers/infiniband/core/cma.c:5373
add_client_context+0x45c/0x7d0 drivers/infiniband/core/device.c:711
enable_device_and_get+0x1a8/0x3e8 drivers/infiniband/core/device.c:1322
ib_register_device+0xe84/0x110c drivers/infiniband/core/device.c:1433
siw_device_register drivers/infiniband/sw/siw/siw_main.c:72 [inline]
siw_newlink+0x77c/0xb84 drivers/infiniband/sw/siw/siw_main.c:431
nldev_newlink+0x47c/0x54c drivers/infiniband/core/nldev.c:1795
rdma_nl_rcv_skb drivers/infiniband/core/netlink.c:239 [inline]
rdma_nl_rcv+0x5c4/0x858 drivers/infiniband/core/netlink.c:259
netlink_unicast_kernel net/netlink/af_netlink.c:1322 [inline]
netlink_unicast+0x668/0x8a4 net/netlink/af_netlink.c:1348
netlink_sendmsg+0x7b4/0xa9c net/netlink/af_netlink.c:1892
sock_sendmsg_nosec net/socket.c:718 [inline]
__sock_sendmsg net/socket.c:733 [inline]
____sys_sendmsg+0x570/0x87c net/socket.c:2573
___sys_sendmsg net/socket.c:2627 [inline]
__sys_sendmsg+0x238/0x304 net/socket.c:2659
__do_sys_sendmsg net/socket.c:2664 [inline]
__se_sys_sendmsg net/socket.c:2662 [inline]
__arm64_sys_sendmsg+0x80/0x94 net/socket.c:2662
__invoke_syscall arch/arm64/kernel/syscall.c:35 [inline]
invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:49
el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:132
do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151
el0_svc+0x54/0x168 arch/arm64/kernel/entry-common.c:744
el0t_64_sync_handler+0x84/0x108 arch/arm64/kernel/entry-common.c:762
el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:600
other info that might help us debug this:
Chain exists of:
sk_lock-AF_INET --> rtnl_mutex --> lock#7
Possible unsafe locking scenario:
CPU0 CPU1
---- ----
lock(lock#7);
lock(rtnl_mutex);
lock(lock#7);
lock(sk_lock-AF_INET);
*** DEADLOCK ***
6 locks held by syz.1.570/9837:
#0: ffff800097b7ec98 (&rdma_nl_types[idx].sem){.+.+}-{4:4}, at: rdma_nl_rcv_msg drivers/infiniband/core/netlink.c:164 [inline]
#0: ffff800097b7ec98 (&rdma_nl_types[idx].sem){.+.+}-{4:4}, at: rdma_nl_rcv_skb drivers/infiniband/core/netlink.c:239 [inline]
#0: ffff800097b7ec98 (&rdma_nl_types[idx].sem){.+.+}-{4:4}, at: rdma_nl_rcv+0x330/0x858 drivers/infiniband/core/netlink.c:259
#1: ffff800092323850 (link_ops_rwsem){++++}-{4:4}, at: nldev_newlink+0x334/0x54c drivers/infiniband/core/nldev.c:1785
#2: ffff800092314070 (devices_rwsem){++++}-{4:4}, at: enable_device_and_get+0x104/0x3e8 drivers/infiniband/core/device.c:1312
#3: ffff800092314370 (clients_rwsem){++++}-{4:4}, at: enable_device_and_get+0x160/0x3e8 drivers/infiniband/core/device.c:1320
#4: ffff0000f125c5e0 (&device->client_data_rwsem){++++}-{4:4}, at: add_client_context+0x424/0x7d0 drivers/infiniband/core/device.c:709
#5: ffff8000923374e8 (lock#7){+.+.}-{4:4}, at: cma_add_one+0x510/0xab4 drivers/infiniband/core/cma.c:5370
stack backtrace:
CPU: 1 UID: 0 PID: 9837 Comm: syz.1.570 Not tainted 6.14.0-rc2-syzkaller-ga64dcfb451e2 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
Call trace:
show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:466 (C)
__dump_stack lib/dump_stack.c:94 [inline]
dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:120
dump_stack+0x1c/0x28 lib/dump_stack.c:129
print_circular_bug+0x154/0x1c0 kernel/locking/lockdep.c:2076
check_noncircular+0x310/0x404 kernel/locking/lockdep.c:2208
check_prev_add kernel/locking/lockdep.c:3163 [inline]
check_prevs_add kernel/locking/lockdep.c:3282 [inline]
validate_chain kernel/locking/lockdep.c:3906 [inline]
__lock_acquire+0x34f0/0x7904 kernel/locking/lockdep.c:5228
lock_acquire+0x23c/0x724 kernel/locking/lockdep.c:5851
lock_sock_nested net/core/sock.c:3645 [inline]
lock_sock include/net/sock.h:1624 [inline]
sock_set_reuseaddr+0x58/0x154 net/core/sock.c:788
siw_create_listen+0x164/0xe50 drivers/infiniband/sw/siw/siw_cm.c:1777
iw_cm_listen+0x14c/0x204 drivers/infiniband/core/iwcm.c:585
cma_iw_listen drivers/infiniband/core/cma.c:2684 [inline]
rdma_listen+0x8d0/0xb64 drivers/infiniband/core/cma.c:3969
cma_listen_on_dev+0x31c/0x648 drivers/infiniband/core/cma.c:2743
cma_add_one+0x5ec/0xab4 drivers/infiniband/core/cma.c:5373
add_client_context+0x45c/0x7d0 drivers/infiniband/core/device.c:711
enable_device_and_get+0x1a8/0x3e8 drivers/infiniband/core/device.c:1322
ib_register_device+0xe84/0x110c drivers/infiniband/core/device.c:1433
siw_device_register drivers/infiniband/sw/siw/siw_main.c:72 [inline]
siw_newlink+0x77c/0xb84 drivers/infiniband/sw/siw/siw_main.c:431
nldev_newlink+0x47c/0x54c drivers/infiniband/core/nldev.c:1795
rdma_nl_rcv_skb drivers/infiniband/core/netlink.c:239 [inline]
rdma_nl_rcv+0x5c4/0x858 drivers/infiniband/core/netlink.c:259
netlink_unicast_kernel net/netlink/af_netlink.c:1322 [inline]
netlink_unicast+0x668/0x8a4 net/netlink/af_netlink.c:1348
netlink_sendmsg+0x7b4/0xa9c net/netlink/af_netlink.c:1892
sock_sendmsg_nosec net/socket.c:718 [inline]
__sock_sendmsg net/socket.c:733 [inline]
____sys_sendmsg+0x570/0x87c net/socket.c:2573
___sys_sendmsg net/socket.c:2627 [inline]
__sys_sendmsg+0x238/0x304 net/socket.c:2659
__do_sys_sendmsg net/socket.c:2664 [inline]
__se_sys_sendmsg net/socket.c:2662 [inline]
__arm64_sys_sendmsg+0x80/0x94 net/socket.c:2662
__invoke_syscall arch/arm64/kernel/syscall.c:35 [inline]
invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:49
el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:132
do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151
el0_svc+0x54/0x168 arch/arm64/kernel/entry-common.c:744
el0t_64_sync_handler+0x84/0x108 arch/arm64/kernel/entry-common.c:762
el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:600
infiniband syz2: RDMA CMA: cma_listen_on_dev, error -98
lo speed is unknown, defaulting to 1000
lo speed is unknown, defaulting to 1000
lo speed is unknown, defaulting to 1000
lo speed is unknown, defaulting to 1000
lo speed is unknown, defaulting to 1000