[ 11.601393][ T279] [ 11.601661][ T279] ============================= [ 11.601841][ T279] WARNING: suspicious RCU usage [ 11.602194][ T279] 6.12.0-rc7-virtme #1 Not tainted [ 11.602380][ T279] ----------------------------- [ 11.602554][ T279] net/ipv6/ip6mr.c:132 RCU-list traversed in non-reader section!! [ 11.602796][ T279] [ 11.602796][ T279] other info that might help us debug this: [ 11.602796][ T279] [ 11.603109][ T279] [ 11.603109][ T279] rcu_scheduler_active = 2, debug_locks = 1 [ 11.603365][ T279] no locks held by smcrouted/279. [ 11.603536][ T279] [ 11.603536][ T279] stack backtrace: [ 11.603729][ T279] CPU: 3 UID: 0 PID: 279 Comm: smcrouted Not tainted 6.12.0-rc7-virtme #1 [ 11.603981][ T279] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.604178][ T279] Call Trace: [ 11.604323][ T279] [ 11.604411][ T279] dump_stack_lvl+0xb0/0xd0 [ 11.604590][ T279] lockdep_rcu_suspicious+0x1ea/0x280 [ 11.604754][ T279] ip6mr_get_table+0x142/0x190 [ 11.604922][ T279] ip6_mroute_setsockopt+0x185/0x12d0 [ 11.605095][ T279] ? __pfx_ip6_mroute_setsockopt+0x10/0x10 [ 11.605311][ T279] ? __lock_release+0x103/0x460 [ 11.605481][ T279] ? __might_fault+0x11b/0x170 [ 11.605650][ T279] ? trace_lock_acquire+0x14d/0x1f0 [ 11.605826][ T279] ? __might_fault+0xc3/0x170 [ 11.605985][ T279] ? lock_acquire+0x32/0xc0 [ 11.606141][ T279] ? __might_fault+0xc3/0x170 [ 11.606298][ T279] ? __might_fault+0x11b/0x170 [ 11.606471][ T279] do_ipv6_setsockopt+0x705/0x34e0 [ 11.606638][ T279] ? __lock_release+0x10/0x460 [ 11.606800][ T279] ? __pfx_do_ipv6_setsockopt+0x10/0x10 [ 11.606964][ T279] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 11.607145][ T279] ? rcu_read_lock_any_held+0x43/0xb0 [ 11.607311][ T279] ? validate_chain+0x1fe/0xae0 [ 11.607473][ T279] ? is_bpf_text_address+0x67/0x120 [ 11.607639][ T279] ? __pfx_validate_chain+0x10/0x10 [ 11.607797][ T279] ? hlock_class+0x4e/0x130 [ 11.607958][ T279] ? mark_lock+0x38/0x3e0 [ 11.608097][ T279] ? __lock_acquire+0xb3f/0x1580 [ 11.608264][ T279] ? find_held_lock+0x2c/0x110 [ 11.608429][ T279] ? ipv6_setsockopt+0x7f/0xe0 [ 11.608590][ T279] ipv6_setsockopt+0x7f/0xe0 [ 11.608748][ T279] rawv6_setsockopt+0xb7/0x550 [ 11.608925][ T279] ? __pfx_rawv6_setsockopt+0x10/0x10 [ 11.609082][ T279] ? __lock_acquire+0xb3f/0x1580 [ 11.609250][ T279] ? kfree+0x2d/0x340 [ 11.609392][ T279] do_sock_setsockopt+0x149/0x3a0 [ 11.609560][ T279] ? __pfx_do_sock_setsockopt+0x10/0x10 [ 11.609723][ T279] ? __lock_release+0x103/0x460 [ 11.609886][ T279] ? fd_install+0x1d1/0x5a0 [ 11.610049][ T279] ? trace_lock_acquire+0x14d/0x1f0 [ 11.610211][ T279] ? fdget+0x52/0x1e0 [ 11.610337][ T279] __sys_setsockopt+0x104/0x1a0 [ 11.610496][ T279] ? __pfx___sys_setsockopt+0x10/0x10 [ 11.610661][ T279] ? __sys_socket+0x168/0x1e0 [ 11.610820][ T279] ? __pfx___sys_socket+0x10/0x10 [ 11.610978][ T279] ? do_user_addr_fault+0x374/0xe30 [ 11.611140][ T279] __x64_sys_setsockopt+0xbd/0x160 [ 11.611300][ T279] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 11.611493][ T279] do_syscall_64+0xc1/0x1d0 [ 11.611654][ T279] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 11.611864][ T279] RIP: 0033:0x7fb6c2c7a91e [ 11.612030][ T279] Code: 0f 1f 40 00 48 8b 15 e1 94 0a 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b1 0f 1f 00 f3 0f 1e fa 49 89 ca b8 36 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 0a c3 66 0f 1f 84 00 00 00 00 00 48 8b 15 a9 [ 11.612584][ T279] RSP: 002b:00007ffe0c2f71f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 11.612820][ T279] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fb6c2c7a91e [ 11.613085][ T279] RDX: 00000000000000c8 RSI: 0000000000000029 RDI: 0000000000000008 [ 11.613324][ T279] RBP: 0000000000000008 R08: 0000000000000004 R09: 0000000000000000 [ 11.613559][ T279] R10: 00007ffe0c2f721c R11: 0000000000000246 R12: 0000000000000000 [ 11.613833][ T279] R13: 0000000000402650 R14: 0000000000411dd8 R15: 00007fb6c2d7f000 [ 11.614097][ T279] [ 11.617156][ T279] veth0: entered allmulticast mode [ 11.617827][ T279] veth1: entered allmulticast mode [ 11.618160][ T279] veth2: entered allmulticast mode [ 11.620052][ T279] veth3: entered allmulticast mode [ 23.369398][ T368] GACT probability NOT on [ 30.494723][ T279] veth0: left allmulticast mode [ 30.495057][ T279] veth1: left allmulticast mode [ 30.495309][ T279] veth2: left allmulticast mode [ 30.495574][ T279] veth3: left allmulticast mode