[ 1247.125592][T17344] [ 1247.125799][T17344] ============================= [ 1247.125982][T17344] WARNING: suspicious RCU usage [ 1247.126157][T17344] 6.12.0-rc7-virtme #1 Not tainted [ 1247.126372][T17344] ----------------------------- [ 1247.126570][T17344] net/ipv6/ip6mr.c:132 RCU-list traversed in non-reader section!! [ 1247.126858][T17344] [ 1247.126858][T17344] other info that might help us debug this: [ 1247.126858][T17344] [ 1247.127185][T17344] [ 1247.127185][T17344] rcu_scheduler_active = 2, debug_locks = 1 [ 1247.127444][T17344] no locks held by smcrouted/17344. [ 1247.127625][T17344] [ 1247.127625][T17344] stack backtrace: [ 1247.127856][T17344] CPU: 2 UID: 0 PID: 17344 Comm: smcrouted Not tainted 6.12.0-rc7-virtme #1 [ 1247.128135][T17344] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 1247.128339][T17344] Call Trace: [ 1247.128462][T17344] [ 1247.128548][T17344] dump_stack_lvl+0xb0/0xd0 [ 1247.128730][T17344] lockdep_rcu_suspicious+0x1ea/0x280 [ 1247.128898][T17344] ip6mr_get_table+0x142/0x190 [ 1247.129059][T17344] ip6_mroute_setsockopt+0x185/0x12d0 [ 1247.129216][T17344] ? __pfx_ip6_mroute_setsockopt+0x10/0x10 [ 1247.129420][T17344] ? __lock_release+0x103/0x460 [ 1247.129580][T17344] ? __might_fault+0x11b/0x170 [ 1247.129749][T17344] ? trace_lock_acquire+0x14d/0x1f0 [ 1247.129932][T17344] ? __might_fault+0xc3/0x170 [ 1247.130095][T17344] ? lock_acquire+0x32/0xc0 [ 1247.130250][T17344] ? __might_fault+0xc3/0x170 [ 1247.130410][T17344] ? __might_fault+0x11b/0x170 [ 1247.130579][T17344] do_ipv6_setsockopt+0x705/0x34e0 [ 1247.130745][T17344] ? __lock_release+0x10/0x460 [ 1247.130922][T17344] ? __pfx_do_ipv6_setsockopt+0x10/0x10 [ 1247.131079][T17344] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 1247.131237][T17344] ? rcu_read_lock_any_held+0x43/0xb0 [ 1247.131398][T17344] ? validate_chain+0x1fe/0xae0 [ 1247.131559][T17344] ? is_bpf_text_address+0x67/0x120 [ 1247.131729][T17344] ? __pfx_validate_chain+0x10/0x10 [ 1247.131901][T17344] ? hlock_class+0x4e/0x130 [ 1247.132060][T17344] ? mark_lock+0x38/0x3e0 [ 1247.132188][T17344] ? __lock_acquire+0xb3f/0x1580 [ 1247.132356][T17344] ? find_held_lock+0x2c/0x110 [ 1247.132535][T17344] ? ipv6_setsockopt+0x7f/0xe0 [ 1247.132706][T17344] ipv6_setsockopt+0x7f/0xe0 [ 1247.132875][T17344] rawv6_setsockopt+0xb7/0x550 [ 1247.133045][T17344] ? __pfx_rawv6_setsockopt+0x10/0x10 [ 1247.133200][T17344] ? __lock_acquire+0xb3f/0x1580 [ 1247.133366][T17344] ? kfree+0x2d/0x340 [ 1247.133491][T17344] do_sock_setsockopt+0x149/0x3a0 [ 1247.133655][T17344] ? __pfx_do_sock_setsockopt+0x10/0x10 [ 1247.133821][T17344] ? __lock_release+0x103/0x460 [ 1247.133978][T17344] ? fd_install+0x1d1/0x5a0 [ 1247.134138][T17344] ? trace_lock_acquire+0x14d/0x1f0 [ 1247.134299][T17344] ? fdget+0x52/0x1e0 [ 1247.134421][T17344] __sys_setsockopt+0x104/0x1a0 [ 1247.134590][T17344] ? __pfx___sys_setsockopt+0x10/0x10 [ 1247.134751][T17344] ? __sys_socket+0x168/0x1e0 [ 1247.134916][T17344] ? __pfx___sys_socket+0x10/0x10 [ 1247.135084][T17344] ? do_user_addr_fault+0x374/0xe30 [ 1247.135258][T17344] __x64_sys_setsockopt+0xbd/0x160 [ 1247.135424][T17344] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 1247.135632][T17344] do_syscall_64+0xc1/0x1d0 [ 1247.135809][T17344] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 1247.136004][T17344] RIP: 0033:0x7f3257f4391e [ 1247.136169][T17344] 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 [ 1247.136747][T17344] RSP: 002b:00007ffcc0d052d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 1247.137012][T17344] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f3257f4391e [ 1247.137257][T17344] RDX: 00000000000000c8 RSI: 0000000000000029 RDI: 0000000000000008 [ 1247.137499][T17344] RBP: 0000000000000008 R08: 0000000000000004 R09: 0000000000000000 [ 1247.137752][T17344] R10: 00007ffcc0d052fc R11: 0000000000000246 R12: 0000000000000000 [ 1247.138016][T17344] R13: 0000000000402650 R14: 0000000000411dd8 R15: 00007f3258048000 [ 1247.138280][T17344] [ 1247.141472][T17344] veth0: entered allmulticast mode [ 1247.142260][T17344] veth1: entered allmulticast mode [ 1247.142645][T17344] veth2: entered allmulticast mode [ 1247.143046][T17344] veth3: entered allmulticast mode [ 1247.143733][T17344] veth4: entered allmulticast mode [ 1247.144114][T17344] veth5: entered allmulticast mode [ 1258.514369][T17431] GACT probability NOT on [ 1274.948897][T17344] veth0: left allmulticast mode [ 1274.949419][T17344] veth1: left allmulticast mode [ 1274.949864][T17344] veth2: left allmulticast mode [ 1274.950266][T17344] veth3: left allmulticast mode [ 1274.950604][T17344] veth4: left allmulticast mode [ 1274.950869][T17344] veth5: left allmulticast mode