[ 353.166345][ T4357] [ 353.166674][ T4357] ============================= [ 353.166879][ T4357] WARNING: suspicious RCU usage [ 353.167063][ T4357] 6.12.0-rc6-virtme #1 Not tainted [ 353.167267][ T4357] ----------------------------- [ 353.167449][ T4357] net/core/dev.c:876 RCU-list traversed in non-reader section!! [ 353.167754][ T4357] [ 353.167754][ T4357] other info that might help us debug this: [ 353.167754][ T4357] [ 353.168117][ T4357] [ 353.168117][ T4357] rcu_scheduler_active = 2, debug_locks = 1 [ 353.168387][ T4357] 1 lock held by sctp_hello/4357: [ 353.168563][ T4357] #0: ffff888008ebbb98 (sk_lock-AF_INET6){+.+.}-{0:0}, at: sctp_bind+0x1f/0xe0 [sctp] [ 353.169742][ T4357] [ 353.169742][ T4357] stack backtrace: [ 353.170075][ T4357] CPU: 2 UID: 0 PID: 4357 Comm: sctp_hello Not tainted 6.12.0-rc6-virtme #1 [ 353.170373][ T4357] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 353.170579][ T4357] Call Trace: [ 353.170710][ T4357] [ 353.170800][ T4357] dump_stack_lvl+0xb0/0xd0 [ 353.170978][ T4357] lockdep_rcu_suspicious+0x1ea/0x280 [ 353.171147][ T4357] dev_get_by_index_rcu+0x14f/0x190 [ 353.171317][ T4357] sctp_v6_available+0xaf/0x3a0 [sctp] [ 353.171526][ T4357] sctp_do_bind+0x128/0x5f0 [sctp] [ 353.171728][ T4357] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 353.171943][ T4357] sctp_bind+0x86/0xe0 [sctp] [ 353.172144][ T4357] inet6_bind_sk+0xd0/0x1c0 [ 353.172317][ T4357] ? __pfx_inet6_bind_sk+0x10/0x10 [ 353.172789][ T4357] ? __might_fault+0x11b/0x170 [ 353.172963][ T4357] __sys_bind+0x114/0x1d0 [ 353.173089][ T4357] ? __pfx___sys_bind+0x10/0x10 [ 353.173258][ T4357] ? __up_read+0x1a7/0x780 [ 353.173438][ T4357] ? do_user_addr_fault+0x972/0xe30 [ 353.173605][ T4357] ? do_user_addr_fault+0x97c/0xe30 [ 353.173774][ T4357] __x64_sys_bind+0x72/0xb0 [ 353.173937][ T4357] do_syscall_64+0xc1/0x1d0 [ 353.174102][ T4357] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 353.174310][ T4357] RIP: 0033:0x7f22b0f23b2b [ 353.174478][ T4357] Code: 73 01 c3 48 8b 0d d5 92 1b 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 31 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d a5 92 1b 00 f7 d8 64 89 01 48 [ 353.175034][ T4357] RSP: 002b:00007ffeeb5c3208 EFLAGS: 00000202 ORIG_RAX: 0000000000000031 [ 353.175278][ T4357] RAX: ffffffffffffffda RBX: 00007ffeeb5c33f8 RCX: 00007f22b0f23b2b [ 353.175522][ T4357] RDX: 000000000000001c RSI: 00007ffeeb5c3240 RDI: 0000000000000005 [ 353.175761][ T4357] RBP: 0000000000000005 R08: 1999999999999999 R09: 0000000000000000 [ 353.176003][ T4357] R10: 00007f22b0ef4d90 R11: 0000000000000202 R12: 00007ffeeb5c39da [ 353.176246][ T4357] R13: 0000000000000000 R14: 0000000000403e00 R15: 00007f22b112e000 [ 353.176503][ T4357]