syzbot

=============================
WARNING: suspicious RCU usage
5.18.0-rc6-syzkaller-00009-gfeb9c5e19e91 #0 Not tainted
-----------------------------
include/net/bonding.h:353 suspicious rcu_dereference_check() usage!

other info that might help us debug this:


rcu_scheduler_active = 2, debug_locks = 1
1 lock held by syz-executor120/3598:
 #0: ffff888017d721b0 (sk_lock-AF_INET){+.+.}-{0:0}, at: lock_sock include/net/sock.h:1682 [inline]
 #0: ffff888017d721b0 (sk_lock-AF_INET){+.+.}-{0:0}, at: sock_setsockopt+0x1e3/0x2d60 net/core/sock.c:1043

stack backtrace:
CPU: 1 PID: 3598 Comm: syz-executor120 Not tainted 5.18.0-rc6-syzkaller-00009-gfeb9c5e19e91 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0xcd/0x134 lib/dump_stack.c:106
 bond_option_active_slave_get_rcu include/net/bonding.h:353 [inline]
 bond_ethtool_get_ts_info+0x32c/0x3a0 drivers/net/bonding/bond_main.c:5595
 __ethtool_get_ts_info+0x173/0x240 net/ethtool/common.c:551
 ethtool_get_phc_vclocks+0x99/0x110 net/ethtool/common.c:565
 sock_timestamping_bind_phc net/core/sock.c:846 [inline]
 sock_set_timestamping+0x3a3/0x7e0 net/core/sock.c:893
 sock_setsockopt+0x543/0x2d60 net/core/sock.c:1198
 __sys_setsockopt+0x55e/0x6a0 net/socket.c:2176
 __do_sys_setsockopt net/socket.c:2191 [inline]
 __se_sys_setsockopt net/socket.c:2188 [inline]
 __x64_sys_setsockopt+0xba/0x150 net/socket.c:2188
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7f60f6db8b39
Code: 28 c3 e8 2a 14 00 00 66 2e 0f 1f 84 00 00 00 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 c0 ff ff ff f7 d8 64 89 01 48