wg1 speed is unknown, defaulting to 1000
wg1 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-syzkaller-12456-gacc4d5ff0b61 #0 Not tainted
------------------------------------------------------
syz.3.887/8519 is trying to acquire lock:
ffff88805075c218 (sk_lock-AF_INET){+.+.}-{0:0}, at: lock_sock include/net/sock.h:1615 [inline]
ffff88805075c218 (sk_lock-AF_INET){+.+.}-{0:0}, at: sock_set_reuseaddr+0x17/0x60 net/core/sock.c:788
but task is already holding lock:
ffffffff8fd90348 (lock#8){+.+.}-{4:4}, at: cma_add_one+0x67a/0xdd0 drivers/infiniband/core/cma.c:5384
which lock already depends on the new lock.
the existing dependency chain (in reverse order) is:
-> #3 (lock#8){+.+.}-{4:4}:
__mutex_lock_common kernel/locking/mutex.c:601 [inline]
__mutex_lock+0x199/0xb90 kernel/locking/mutex.c:746
cma_init+0x1d/0x150 drivers/infiniband/core/cma.c:5468
do_one_initcall+0x120/0x6e0 init/main.c:1257
do_initcall_level init/main.c:1319 [inline]
do_initcalls init/main.c:1335 [inline]
do_basic_setup init/main.c:1354 [inline]
kernel_init_freeable+0x5c2/0x900 init/main.c:1567
kernel_init+0x1c/0x2b0 init/main.c:1457
ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:153
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
-> #2 (rtnl_mutex){+.+.}-{4:4}:
__mutex_lock_common kernel/locking/mutex.c:601 [inline]
__mutex_lock+0x199/0xb90 kernel/locking/mutex.c:746
start_sync_thread+0x120/0x28b0 net/netfilter/ipvs/ip_vs_sync.c:1761
do_ip_vs_set_ctl+0x451/0x11d0 net/netfilter/ipvs/ip_vs_ctl.c:2732
nf_setsockopt+0x8a/0xf0 net/netfilter/nf_sockopt.c:101
ip_setsockopt+0xcb/0xf0 net/ipv4/ip_sockglue.c:1424
tcp_setsockopt+0xa4/0x100 net/ipv4/tcp.c:4077
smc_setsockopt+0x1b3/0xa00 net/smc/af_smc.c:3081
do_sock_setsockopt+0x221/0x470 net/socket.c:2296
__sys_setsockopt+0x1a0/0x230 net/socket.c:2321
__do_sys_setsockopt net/socket.c:2327 [inline]
__se_sys_setsockopt net/socket.c:2324 [inline]
__x64_sys_setsockopt+0xbd/0x160 net/socket.c:2324
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xcd/0x260 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
-> #1 (&smc->clcsock_release_lock){+.+.}-{4:4}:
__mutex_lock_common kernel/locking/mutex.c:601 [inline]
__mutex_lock+0x199/0xb90 kernel/locking/mutex.c:746
smc_switch_to_fallback+0x2d/0x9f0 net/smc/af_smc.c:903
smc_sendmsg+0x13d/0x520 net/smc/af_smc.c:2781
sock_sendmsg_nosec net/socket.c:712 [inline]
__sock_sendmsg net/socket.c:727 [inline]
__sys_sendto+0x495/0x510 net/socket.c:2180
__do_sys_sendto net/socket.c:2187 [inline]
__se_sys_sendto net/socket.c:2183 [inline]
__x64_sys_sendto+0xe0/0x1c0 net/socket.c:2183
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xcd/0x260 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
-> #0 (sk_lock-AF_INET){+.+.}-{0:0}:
check_prev_add kernel/locking/lockdep.c:3166 [inline]
check_prevs_add kernel/locking/lockdep.c:3285 [inline]
validate_chain kernel/locking/lockdep.c:3909 [inline]
__lock_acquire+0x1173/0x1ba0 kernel/locking/lockdep.c:5235
lock_acquire kernel/locking/lockdep.c:5866 [inline]
lock_acquire+0x179/0x350 kernel/locking/lockdep.c:5823
lock_sock_nested+0x41/0xf0 net/core/sock.c:3697
lock_sock include/net/sock.h:1615 [inline]
sock_set_reuseaddr+0x17/0x60 net/core/sock.c:788
siw_create_listen+0x9ea/0x1320 drivers/infiniband/sw/siw/siw_cm.c:1777
iw_cm_listen+0x16f/0x1f0 drivers/infiniband/core/iwcm.c:587
cma_iw_listen drivers/infiniband/core/cma.c:2698 [inline]
rdma_listen+0x7ef/0xe30 drivers/infiniband/core/cma.c:3983
cma_listen_on_dev+0x4dc/0x810 drivers/infiniband/core/cma.c:2757
cma_add_one+0x790/0xdd0 drivers/infiniband/core/cma.c:5387
add_client_context+0x3db/0x590 drivers/infiniband/core/device.c:720
enable_device_and_get+0x1d4/0x3f0 drivers/infiniband/core/device.c:1331
ib_register_device drivers/infiniband/core/device.c:1447 [inline]
ib_register_device+0x87f/0xe00 drivers/infiniband/core/device.c:1393
siw_device_register drivers/infiniband/sw/siw/siw_main.c:71 [inline]
siw_newlink drivers/infiniband/sw/siw/siw_main.c:430 [inline]
siw_newlink+0xb60/0xd70 drivers/infiniband/sw/siw/siw_main.c:412
nldev_newlink+0x3a3/0x680 drivers/infiniband/core/nldev.c:1796
rdma_nl_rcv_msg+0x387/0x6e0 drivers/infiniband/core/netlink.c:195
rdma_nl_rcv_skb.constprop.0.isra.0+0x2e5/0x450 drivers/infiniband/core/netlink.c:239
netlink_unicast_kernel net/netlink/af_netlink.c:1313 [inline]
netlink_unicast+0x53a/0x7f0 net/netlink/af_netlink.c:1339
netlink_sendmsg+0x8d1/0xdd0 net/netlink/af_netlink.c:1883
sock_sendmsg_nosec net/socket.c:712 [inline]
__sock_sendmsg net/socket.c:727 [inline]
____sys_sendmsg+0xa95/0xc70 net/socket.c:2566
___sys_sendmsg+0x134/0x1d0 net/socket.c:2620
__sys_sendmsg+0x16d/0x220 net/socket.c:2652
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xcd/0x260 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
other info that might help us debug this:
Chain exists of:
sk_lock-AF_INET --> rtnl_mutex --> lock#8
Possible unsafe locking scenario:
CPU0 CPU1
---- ----
lock(lock#8);
lock(rtnl_mutex);
lock(lock#8);
lock(sk_lock-AF_INET);
*** DEADLOCK ***
6 locks held by syz.3.887/8519:
#0: ffffffff9aea9b98 (&rdma_nl_types[idx].sem){.+.+}-{4:4}, at: rdma_nl_rcv_msg+0x169/0x6e0 drivers/infiniband/core/netlink.c:164
#1: ffffffff8fd77c50 (link_ops_rwsem){++++}-{4:4}, at: nldev_newlink+0x2e6/0x680 drivers/infiniband/core/nldev.c:1786
#2: ffffffff8fd63c10 (devices_rwsem){++++}-{4:4}, at: enable_device_and_get+0x103/0x3f0 drivers/infiniband/core/device.c:1321
#3: ffffffff8fd63ad0 (clients_rwsem){++++}-{4:4}, at: enable_device_and_get+0x162/0x3f0 drivers/infiniband/core/device.c:1329
#4: ffff88805e6a05f0 (&device->client_data_rwsem){++++}-{4:4}, at: add_client_context+0x3a7/0x590 drivers/infiniband/core/device.c:718
#5: ffffffff8fd90348 (lock#8){+.+.}-{4:4}, at: cma_add_one+0x67a/0xdd0 drivers/infiniband/core/cma.c:5384
stack backtrace:
CPU: 2 UID: 0 PID: 8519 Comm: syz.3.887 Not tainted 6.14.0-syzkaller-12456-gacc4d5ff0b61 #0 PREEMPT(full)
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
Call Trace:
<TASK>
__dump_stack lib/dump_stack.c:94 [inline]
dump_stack_lvl+0x116/0x1f0 lib/dump_stack.c:120
print_circular_bug+0x275/0x350 kernel/locking/lockdep.c:2079
check_noncircular+0x14c/0x170 kernel/locking/lockdep.c:2211
check_prev_add kernel/locking/lockdep.c:3166 [inline]
check_prevs_add kernel/locking/lockdep.c:3285 [inline]
validate_chain kernel/locking/lockdep.c:3909 [inline]
__lock_acquire+0x1173/0x1ba0 kernel/locking/lockdep.c:5235
lock_acquire kernel/locking/lockdep.c:5866 [inline]
lock_acquire+0x179/0x350 kernel/locking/lockdep.c:5823
lock_sock_nested+0x41/0xf0 net/core/sock.c:3697
lock_sock include/net/sock.h:1615 [inline]
sock_set_reuseaddr+0x17/0x60 net/core/sock.c:788
siw_create_listen+0x9ea/0x1320 drivers/infiniband/sw/siw/siw_cm.c:1777
iw_cm_listen+0x16f/0x1f0 drivers/infiniband/core/iwcm.c:587
cma_iw_listen drivers/infiniband/core/cma.c:2698 [inline]
rdma_listen+0x7ef/0xe30 drivers/infiniband/core/cma.c:3983
cma_listen_on_dev+0x4dc/0x810 drivers/infiniband/core/cma.c:2757
cma_add_one+0x790/0xdd0 drivers/infiniband/core/cma.c:5387
add_client_context+0x3db/0x590 drivers/infiniband/core/device.c:720
enable_device_and_get+0x1d4/0x3f0 drivers/infiniband/core/device.c:1331
ib_register_device drivers/infiniband/core/device.c:1447 [inline]
ib_register_device+0x87f/0xe00 drivers/infiniband/core/device.c:1393
siw_device_register drivers/infiniband/sw/siw/siw_main.c:71 [inline]
siw_newlink drivers/infiniband/sw/siw/siw_main.c:430 [inline]
siw_newlink+0xb60/0xd70 drivers/infiniband/sw/siw/siw_main.c:412
nldev_newlink+0x3a3/0x680 drivers/infiniband/core/nldev.c:1796
rdma_nl_rcv_msg+0x387/0x6e0 drivers/infiniband/core/netlink.c:195
rdma_nl_rcv_skb.constprop.0.isra.0+0x2e5/0x450 drivers/infiniband/core/netlink.c:239
netlink_unicast_kernel net/netlink/af_netlink.c:1313 [inline]
netlink_unicast+0x53a/0x7f0 net/netlink/af_netlink.c:1339
netlink_sendmsg+0x8d1/0xdd0 net/netlink/af_netlink.c:1883
sock_sendmsg_nosec net/socket.c:712 [inline]
__sock_sendmsg net/socket.c:727 [inline]
____sys_sendmsg+0xa95/0xc70 net/socket.c:2566
___sys_sendmsg+0x134/0x1d0 net/socket.c:2620
__sys_sendmsg+0x16d/0x220 net/socket.c:2652
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xcd/0x260 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fb03ab8d169
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fb03b954038 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007fb03ada5fa0 RCX: 00007fb03ab8d169
RDX: 0000000020000000 RSI: 00002000000004c0 RDI: 0000000000000005
RBP: 00007fb03ac0e2a0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fb03ada5fa0 R15: 00007fff174ffd88
</TASK>
infiniband syz0: RDMA CMA: cma_listen_on_dev, error -98
wg1 speed is unknown, defaulting to 1000
wg1 speed is unknown, defaulting to 1000
wg1 speed is unknown, defaulting to 1000
wg1 speed is unknown, defaulting to 1000
wg1 speed is unknown, defaulting to 1000
wg1 speed is unknown, defaulting to 1000
wg1 speed is unknown, defaulting to 1000
wg1 speed is unknown, defaulting to 1000
wg1 speed is unknown, defaulting to 1000
wg1 speed is unknown, defaulting to 1000
wg1 speed is unknown, defaulting to 1000
wg1 speed is unknown, defaulting to 1000
wg1 speed is unknown, defaulting to 1000
wg1 speed is unknown, defaulting to 1000
wg1 speed is unknown, defaulting to 1000
wg1 speed is unknown, defaulting to 1000
wg1 speed is unknown, defaulting to 1000
wg1 speed is unknown, defaulting to 1000
wg1 speed is unknown, defaulting to 1000