[ 1256.707953][T17342] [ 1256.708146][T17342] ============================= [ 1256.708337][T17342] WARNING: suspicious RCU usage [ 1256.708519][T17342] 6.12.0-rc6-virtme #1 Not tainted [ 1256.708723][T17342] ----------------------------- [ 1256.708905][T17342] net/ipv6/ip6mr.c:132 RCU-list traversed in non-reader section!! [ 1256.709184][T17342] [ 1256.709184][T17342] other info that might help us debug this: [ 1256.709184][T17342] [ 1256.709503][T17342] [ 1256.709503][T17342] rcu_scheduler_active = 2, debug_locks = 1 [ 1256.709764][T17342] no locks held by smcrouted/17342. [ 1256.709943][T17342] [ 1256.709943][T17342] stack backtrace: [ 1256.711090][T17342] CPU: 2 UID: 0 PID: 17342 Comm: smcrouted Not tainted 6.12.0-rc6-virtme #1 [ 1256.711402][T17342] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 1256.711609][T17342] Call Trace: [ 1256.711752][T17342] <TASK> [ 1256.711845][T17342] dump_stack_lvl+0xb0/0xd0 [ 1256.712026][T17342] lockdep_rcu_suspicious+0x1ea/0x280 [ 1256.712205][T17342] ip6mr_get_table+0x142/0x190 [ 1256.712377][T17342] ip6_mroute_setsockopt+0x185/0x12d0 [ 1256.712551][T17342] ? __pfx_ip6_mroute_setsockopt+0x10/0x10 [ 1256.712773][T17342] ? __lock_release+0x103/0x460 [ 1256.712943][T17342] ? __might_fault+0x11b/0x170 [ 1256.713113][T17342] ? trace_lock_acquire+0x14d/0x1f0 [ 1256.713288][T17342] ? __might_fault+0xc3/0x170 [ 1256.713450][T17342] ? lock_acquire+0x32/0xc0 [ 1256.713616][T17342] ? __might_fault+0xc3/0x170 [ 1256.713768][T17342] ? __might_fault+0x11b/0x170 [ 1256.713927][T17342] do_ipv6_setsockopt+0x705/0x34e0 [ 1256.714087][T17342] ? __lock_release+0xe0/0x460 [ 1256.714245][T17342] ? __pfx_do_ipv6_setsockopt+0x10/0x10 [ 1256.714402][T17342] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 1256.714574][T17342] ? rcu_read_lock_any_held+0x43/0xb0 [ 1256.714757][T17342] ? validate_chain+0x1fe/0xae0 [ 1256.714923][T17342] ? is_bpf_text_address+0x67/0x120 [ 1256.715096][T17342] ? __pfx_validate_chain+0x10/0x10 [ 1256.715259][T17342] ? hlock_class+0x4e/0x130 [ 1256.715434][T17342] ? mark_lock+0x38/0x3e0 [ 1256.715557][T17342] ? __lock_acquire+0xb3f/0x1580 [ 1256.715738][T17342] ? find_held_lock+0x2c/0x110 [ 1256.715910][T17342] ? ipv6_setsockopt+0x7f/0xe0 [ 1256.716072][T17342] ipv6_setsockopt+0x7f/0xe0 [ 1256.716231][T17342] rawv6_setsockopt+0xb7/0x550 [ 1256.716398][T17342] ? __pfx_rawv6_setsockopt+0x10/0x10 [ 1256.716559][T17342] ? __lock_acquire+0xb3f/0x1580 [ 1256.716727][T17342] ? kfree+0x2d/0x340 [ 1256.716856][T17342] do_sock_setsockopt+0x149/0x3a0 [ 1256.717026][T17342] ? __pfx_do_sock_setsockopt+0x10/0x10 [ 1256.717192][T17342] ? __lock_release+0x103/0x460 [ 1256.717349][T17342] ? fd_install+0x1d1/0x5a0 [ 1256.717523][T17342] ? trace_lock_acquire+0x14d/0x1f0 [ 1256.717684][T17342] ? fdget+0x52/0x1e0 [ 1256.717810][T17342] __sys_setsockopt+0x104/0x1a0 [ 1256.717972][T17342] ? __pfx___sys_setsockopt+0x10/0x10 [ 1256.718132][T17342] ? __sys_socket+0x168/0x1e0 [ 1256.718284][T17342] ? __pfx___sys_socket+0x10/0x10 [ 1256.718442][T17342] ? do_user_addr_fault+0x374/0xe30 [ 1256.718604][T17342] __x64_sys_setsockopt+0xbd/0x160 [ 1256.718759][T17342] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 1256.718954][T17342] do_syscall_64+0xc1/0x1d0 [ 1256.719118][T17342] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 1256.719309][T17342] RIP: 0033:0x7f193132291e [ 1256.719473][T17342] 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 [ 1256.720036][T17342] RSP: 002b:00007ffc7bcbe7f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 1256.720276][T17342] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f193132291e [ 1256.720513][T17342] RDX: 00000000000000c8 RSI: 0000000000000029 RDI: 0000000000000008 [ 1256.720747][T17342] RBP: 0000000000000008 R08: 0000000000000004 R09: 0000000000000000 [ 1256.720990][T17342] R10: 00007ffc7bcbe81c R11: 0000000000000246 R12: 0000000000000000 [ 1256.721238][T17342] R13: 0000000000402650 R14: 0000000000411dd8 R15: 00007f1931427000 [ 1256.721483][T17342] </TASK> [ 1256.724349][T17342] veth0: entered allmulticast mode [ 1256.725013][T17342] veth1: entered allmulticast mode [ 1256.726768][T17342] veth2: entered allmulticast mode [ 1256.727124][T17342] veth3: entered allmulticast mode [ 1256.727466][T17342] veth4: entered allmulticast mode [ 1256.727793][T17342] veth5: entered allmulticast mode [ 1267.720158][T17429] GACT probability NOT on [ 1283.631368][T17342] veth0: left allmulticast mode [ 1283.631844][T17342] veth1: left allmulticast mode [ 1283.632518][T17342] veth2: left allmulticast mode [ 1283.632922][T17342] veth3: left allmulticast mode [ 1283.633337][T17342] veth4: left allmulticast mode [ 1283.633722][T17342] veth5: left allmulticast mode