[ 10.777001][ T259] ip (259) used greatest stack depth: 23344 bytes left [ 11.414868][ T280] [ 11.415057][ T280] ============================= [ 11.415254][ T280] WARNING: suspicious RCU usage [ 11.415731][ T280] 6.12.0-virtme #1 Not tainted [ 11.416097][ T280] ----------------------------- [ 11.416285][ T280] net/ipv6/ip6mr.c:132 RCU-list traversed in non-reader section!! [ 11.416573][ T280] [ 11.416573][ T280] other info that might help us debug this: [ 11.416573][ T280] [ 11.416943][ T280] [ 11.416943][ T280] rcu_scheduler_active = 2, debug_locks = 1 [ 11.417211][ T280] no locks held by smcrouted/280. [ 11.417406][ T280] [ 11.417406][ T280] stack backtrace: [ 11.417656][ T280] CPU: 2 UID: 0 PID: 280 Comm: smcrouted Not tainted 6.12.0-virtme #1 [ 11.417926][ T280] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.418144][ T280] Call Trace: [ 11.418280][ T280] [ 11.418371][ T280] dump_stack_lvl+0xb0/0xd0 [ 11.418552][ T280] lockdep_rcu_suspicious+0x1ea/0x280 [ 11.418733][ T280] ip6mr_get_table+0x142/0x190 [ 11.418905][ T280] ip6_mroute_setsockopt+0x185/0x12d0 [ 11.419079][ T280] ? __pfx_ip6_mroute_setsockopt+0x10/0x10 [ 11.419298][ T280] ? __lock_release+0x103/0x460 [ 11.419464][ T280] ? __might_fault+0x11b/0x170 [ 11.419635][ T280] ? trace_lock_acquire+0x14d/0x1f0 [ 11.419804][ T280] ? __might_fault+0xc3/0x170 [ 11.419971][ T280] ? lock_acquire+0x32/0xc0 [ 11.420139][ T280] ? __might_fault+0xc3/0x170 [ 11.420311][ T280] ? __might_fault+0x11b/0x170 [ 11.420483][ T280] do_ipv6_setsockopt+0x705/0x34e0 [ 11.420659][ T280] ? validate_chain+0x130/0xae0 [ 11.420828][ T280] ? __pfx_do_ipv6_setsockopt+0x10/0x10 [ 11.421009][ T280] ? __pfx_validate_chain+0x10/0x10 [ 11.421203][ T280] ? hlock_class+0x4e/0x130 [ 11.421374][ T280] ? mark_lock+0x38/0x3e0 [ 11.421509][ T280] ? __lock_acquire+0xb9a/0x1680 [ 11.421686][ T280] ? find_held_lock+0x2c/0x110 [ 11.421861][ T280] ? __lock_release+0x103/0x460 [ 11.422031][ T280] ? __create_object+0x5e/0xb0 [ 11.422204][ T280] ? __pfx___lock_release+0x10/0x10 [ 11.422370][ T280] ? __pfx_validate_chain+0x10/0x10 [ 11.422542][ T280] ? hlock_class+0x4e/0x130 [ 11.422715][ T280] ? mark_lock+0x38/0x3e0 [ 11.422851][ T280] ? ipv6_setsockopt+0x7f/0xe0 [ 11.423019][ T280] ipv6_setsockopt+0x7f/0xe0 [ 11.423193][ T280] rawv6_setsockopt+0xb7/0x550 [ 11.423363][ T280] ? __pfx_rawv6_setsockopt+0x10/0x10 [ 11.423533][ T280] ? find_held_lock+0x2c/0x110 [ 11.423707][ T280] ? kfree+0x2d/0x340 [ 11.423836][ T280] ? __lock_release+0x103/0x460 [ 11.424007][ T280] ? fd_install+0x1d1/0x5a0 [ 11.424191][ T280] do_sock_setsockopt+0x149/0x3a0 [ 11.424364][ T280] ? __pfx_do_sock_setsockopt+0x10/0x10 [ 11.424548][ T280] __sys_setsockopt+0xec/0x160 [ 11.424721][ T280] __x64_sys_setsockopt+0xbd/0x160 [ 11.424896][ T280] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 11.425108][ T280] do_syscall_64+0xc1/0x1d0 [ 11.425285][ T280] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 11.425497][ T280] RIP: 0033:0x7f62e7d7691e [ 11.425692][ T280] 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 [ 11.426287][ T280] RSP: 002b:00007ffc6224d418 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 11.426545][ T280] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f62e7d7691e [ 11.426812][ T280] RDX: 00000000000000c8 RSI: 0000000000000029 RDI: 0000000000000008 [ 11.427074][ T280] RBP: 0000000000000008 R08: 0000000000000004 R09: 0000000000000000 [ 11.427331][ T280] R10: 00007ffc6224d43c R11: 0000000000000246 R12: 0000000000000000 [ 11.427582][ T280] R13: 0000000000402650 R14: 0000000000411dd8 R15: 00007f62e7e7b000 [ 11.427848][ T280] [ 11.431768][ T280] veth0: entered allmulticast mode [ 11.432654][ T280] veth1: entered allmulticast mode [ 11.433282][ T280] veth2: entered allmulticast mode [ 11.433820][ T280] veth3: entered allmulticast mode [ 22.708721][ T368] GACT probability NOT on [ 29.538936][ T280] veth0: left allmulticast mode [ 29.539288][ T280] veth1: left allmulticast mode [ 29.539559][ T280] veth2: left allmulticast mode [ 29.539797][ T280] veth3: left allmulticast mode