[ 1237.068182][T13074] [ 1237.068630][T13074] ============================= [ 1237.068808][T13074] WARNING: suspicious RCU usage [ 1237.068976][T13074] 6.12.0-rc7-virtme #1 Not tainted [ 1237.069135][T13074] ----------------------------- [ 1237.069308][T13074] net/ipv6/ip6mr.c:132 RCU-list traversed in non-reader section!! [ 1237.069544][T13074] [ 1237.069544][T13074] other info that might help us debug this: [ 1237.069544][T13074] [ 1237.069854][T13074] [ 1237.069854][T13074] rcu_scheduler_active = 2, debug_locks = 1 [ 1237.070099][T13074] no locks held by smcrouted/13074. [ 1237.070299][T13074] [ 1237.070299][T13074] stack backtrace: [ 1237.070497][T13074] CPU: 0 UID: 0 PID: 13074 Comm: smcrouted Not tainted 6.12.0-rc7-virtme #1 [ 1237.070771][T13074] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 1237.070977][T13074] Call Trace: [ 1237.071109][T13074] [ 1237.071200][T13074] dump_stack_lvl+0xb0/0xd0 [ 1237.071379][T13074] lockdep_rcu_suspicious+0x1ea/0x280 [ 1237.071546][T13074] ip6mr_get_table+0x142/0x190 [ 1237.071717][T13074] ip6_mroute_setsockopt+0x185/0x12d0 [ 1237.071880][T13074] ? __pfx_ip6_mroute_setsockopt+0x10/0x10 [ 1237.072089][T13074] ? __lock_release+0x103/0x460 [ 1237.072261][T13074] ? __might_fault+0x11b/0x170 [ 1237.072426][T13074] ? trace_lock_acquire+0x14d/0x1f0 [ 1237.072591][T13074] ? __might_fault+0xc3/0x170 [ 1237.072750][T13074] ? lock_acquire+0x32/0xc0 [ 1237.072908][T13074] ? __might_fault+0xc3/0x170 [ 1237.073069][T13074] ? __might_fault+0x11b/0x170 [ 1237.073237][T13074] do_ipv6_setsockopt+0x705/0x34e0 [ 1237.073401][T13074] ? __lock_release+0x10/0x460 [ 1237.073563][T13074] ? __pfx_do_ipv6_setsockopt+0x10/0x10 [ 1237.073727][T13074] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 1237.073899][T13074] ? rcu_read_lock_any_held+0x43/0xb0 [ 1237.074059][T13074] ? validate_chain+0x1fe/0xae0 [ 1237.074218][T13074] ? is_bpf_text_address+0x67/0x120 [ 1237.074383][T13074] ? __pfx_validate_chain+0x10/0x10 [ 1237.074543][T13074] ? hlock_class+0x4e/0x130 [ 1237.074699][T13074] ? mark_lock+0x38/0x3e0 [ 1237.074825][T13074] ? __lock_acquire+0xb3f/0x1580 [ 1237.074991][T13074] ? find_held_lock+0x2c/0x110 [ 1237.075166][T13074] ? ipv6_setsockopt+0x7f/0xe0 [ 1237.075325][T13074] ipv6_setsockopt+0x7f/0xe0 [ 1237.075484][T13074] rawv6_setsockopt+0xb7/0x550 [ 1237.075650][T13074] ? __pfx_rawv6_setsockopt+0x10/0x10 [ 1237.075809][T13074] ? __lock_acquire+0xb3f/0x1580 [ 1237.075973][T13074] ? kfree+0x2d/0x340 [ 1237.076104][T13074] do_sock_setsockopt+0x149/0x3a0 [ 1237.076276][T13074] ? __pfx_do_sock_setsockopt+0x10/0x10 [ 1237.076432][T13074] ? __lock_release+0x103/0x460 [ 1237.076597][T13074] ? fd_install+0x1d1/0x5a0 [ 1237.076759][T13074] ? trace_lock_acquire+0x14d/0x1f0 [ 1237.076919][T13074] ? fdget+0x52/0x1e0 [ 1237.077042][T13074] __sys_setsockopt+0x104/0x1a0 [ 1237.077213][T13074] ? __pfx___sys_setsockopt+0x10/0x10 [ 1237.077371][T13074] ? __sys_socket+0x168/0x1e0 [ 1237.077532][T13074] ? __pfx___sys_socket+0x10/0x10 [ 1237.077690][T13074] ? do_user_addr_fault+0x374/0xe30 [ 1237.077856][T13074] __x64_sys_setsockopt+0xbd/0x160 [ 1237.078014][T13074] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 1237.078211][T13074] do_syscall_64+0xc1/0x1d0 [ 1237.078375][T13074] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 1237.078572][T13074] RIP: 0033:0x7f84e8b9091e [ 1237.078741][T13074] 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 [ 1237.079297][T13074] RSP: 002b:00007ffebf6b7108 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 1237.079538][T13074] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f84e8b9091e [ 1237.079776][T13074] RDX: 00000000000000c8 RSI: 0000000000000029 RDI: 0000000000000008 [ 1237.080015][T13074] RBP: 0000000000000008 R08: 0000000000000004 R09: 0000000000000000 [ 1237.080255][T13074] R10: 00007ffebf6b712c R11: 0000000000000246 R12: 0000000000000000 [ 1237.080494][T13074] R13: 0000000000402650 R14: 0000000000411dd8 R15: 00007f84e8c95000 [ 1237.080746][T13074] [ 1237.085413][T13074] veth0: entered allmulticast mode [ 1237.085966][T13074] veth1: entered allmulticast mode [ 1237.087191][T13074] veth2: entered allmulticast mode [ 1237.088728][T13074] veth3: entered allmulticast mode [ 1237.089297][T13074] veth4: entered allmulticast mode [ 1237.089845][T13074] veth5: entered allmulticast mode [ 1264.151119][T13074] veth0: left allmulticast mode [ 1264.151474][T13074] veth1: left allmulticast mode [ 1264.151742][T13074] veth2: left allmulticast mode [ 1264.152095][T13074] veth3: left allmulticast mode [ 1264.152431][T13074] veth4: left allmulticast mode [ 1264.152676][T13074] veth5: left allmulticast mode