[ 1246.040839][T13330] [ 1246.040983][T13330] ============================= [ 1246.041147][T13330] WARNING: suspicious RCU usage [ 1246.041325][T13330] 6.12.0-rc6-virtme #1 Not tainted [ 1246.041494][T13330] ----------------------------- [ 1246.041669][T13330] net/ipv6/ip6mr.c:132 RCU-list traversed in non-reader section!! [ 1246.041904][T13330] [ 1246.041904][T13330] other info that might help us debug this: [ 1246.041904][T13330] [ 1246.042226][T13330] [ 1246.042226][T13330] rcu_scheduler_active = 2, debug_locks = 1 [ 1246.042476][T13330] no locks held by smcrouted/13330. [ 1246.042656][T13330] [ 1246.042656][T13330] stack backtrace: [ 1246.042882][T13330] CPU: 3 UID: 0 PID: 13330 Comm: smcrouted Not tainted 6.12.0-rc6-virtme #1 [ 1246.043173][T13330] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 1246.043383][T13330] Call Trace: [ 1246.043531][T13330] [ 1246.043617][T13330] dump_stack_lvl+0xb0/0xd0 [ 1246.043793][T13330] lockdep_rcu_suspicious+0x1ea/0x280 [ 1246.043987][T13330] ip6mr_get_table+0x142/0x190 [ 1246.044155][T13330] ip6_mroute_setsockopt+0x185/0x12d0 [ 1246.044319][T13330] ? __pfx_ip6_mroute_setsockopt+0x10/0x10 [ 1246.044539][T13330] ? __lock_release+0x103/0x460 [ 1246.044712][T13330] ? __might_fault+0x11b/0x170 [ 1246.044876][T13330] ? trace_lock_acquire+0x14d/0x1f0 [ 1246.045045][T13330] ? __might_fault+0xc3/0x170 [ 1246.045201][T13330] ? lock_acquire+0x32/0xc0 [ 1246.045361][T13330] ? __might_fault+0xc3/0x170 [ 1246.045521][T13330] ? __might_fault+0x11b/0x170 [ 1246.045689][T13330] do_ipv6_setsockopt+0x705/0x34e0 [ 1246.045859][T13330] ? __lock_release+0xe0/0x460 [ 1246.046031][T13330] ? __pfx_do_ipv6_setsockopt+0x10/0x10 [ 1246.046186][T13330] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 1246.046348][T13330] ? rcu_read_lock_any_held+0x43/0xb0 [ 1246.046528][T13330] ? validate_chain+0x1fe/0xae0 [ 1246.046688][T13330] ? is_bpf_text_address+0x67/0x120 [ 1246.046860][T13330] ? __pfx_validate_chain+0x10/0x10 [ 1246.047030][T13330] ? hlock_class+0x4e/0x130 [ 1246.047189][T13330] ? mark_lock+0x38/0x3e0 [ 1246.047347][T13330] ? __lock_acquire+0xb3f/0x1580 [ 1246.047512][T13330] ? find_held_lock+0x2c/0x110 [ 1246.047679][T13330] ? ipv6_setsockopt+0x7f/0xe0 [ 1246.047860][T13330] ipv6_setsockopt+0x7f/0xe0 [ 1246.048021][T13330] rawv6_setsockopt+0xb7/0x550 [ 1246.048182][T13330] ? __pfx_rawv6_setsockopt+0x10/0x10 [ 1246.048336][T13330] ? __lock_acquire+0xb3f/0x1580 [ 1246.048515][T13330] ? kfree+0x2d/0x340 [ 1246.048642][T13330] do_sock_setsockopt+0x149/0x3a0 [ 1246.048855][T13330] ? __pfx_do_sock_setsockopt+0x10/0x10 [ 1246.049054][T13330] ? __lock_release+0x103/0x460 [ 1246.049225][T13330] ? fd_install+0x1d1/0x5a0 [ 1246.049433][T13330] ? trace_lock_acquire+0x14d/0x1f0 [ 1246.049634][T13330] ? fdget+0x52/0x1e0 [ 1246.049764][T13330] __sys_setsockopt+0x104/0x1a0 [ 1246.049973][T13330] ? __pfx___sys_setsockopt+0x10/0x10 [ 1246.050136][T13330] ? __sys_socket+0x168/0x1e0 [ 1246.050337][T13330] ? __pfx___sys_socket+0x10/0x10 [ 1246.050508][T13330] ? do_user_addr_fault+0x374/0xe30 [ 1246.050696][T13330] __x64_sys_setsockopt+0xbd/0x160 [ 1246.050894][T13330] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 1246.051150][T13330] do_syscall_64+0xc1/0x1d0 [ 1246.051330][T13330] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 1246.051588][T13330] RIP: 0033:0x7fbc2525591e [ 1246.051796][T13330] 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 [ 1246.052410][T13330] RSP: 002b:00007ffda5a1bd58 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 1246.052655][T13330] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fbc2525591e [ 1246.052895][T13330] RDX: 00000000000000c8 RSI: 0000000000000029 RDI: 0000000000000008 [ 1246.053183][T13330] RBP: 0000000000000008 R08: 0000000000000004 R09: 0000000000000000 [ 1246.053477][T13330] R10: 00007ffda5a1bd7c R11: 0000000000000246 R12: 0000000000000000 [ 1246.053752][T13330] R13: 0000000000402650 R14: 0000000000411dd8 R15: 00007fbc2535a000 [ 1246.054079][T13330] [ 1246.057661][T13330] veth0: entered allmulticast mode [ 1246.058365][T13330] veth1: entered allmulticast mode [ 1246.058769][T13330] veth2: entered allmulticast mode [ 1246.059167][T13330] veth3: entered allmulticast mode [ 1246.060834][T13330] veth4: entered allmulticast mode [ 1246.061213][T13330] veth5: entered allmulticast mode [ 1273.402983][T13330] veth0: left allmulticast mode [ 1273.403323][T13330] veth1: left allmulticast mode [ 1273.403595][T13330] veth2: left allmulticast mode [ 1273.403837][T13330] veth3: left allmulticast mode [ 1273.404078][T13330] veth4: left allmulticast mode [ 1273.404326][T13330] veth5: left allmulticast mode