[ 10.076753][ T249] ip (249) used greatest stack depth: 24216 bytes left [ 10.401703][ T260] ip (260) used greatest stack depth: 23744 bytes left [ 11.023093][ T281] [ 11.023413][ T281] ============================= [ 11.023578][ T281] WARNING: suspicious RCU usage [ 11.023741][ T281] 6.12.0-rc6-virtme #1 Not tainted [ 11.023923][ T281] ----------------------------- [ 11.024080][ T281] net/ipv6/ip6mr.c:132 RCU-list traversed in non-reader section!! [ 11.024332][ T281] [ 11.024332][ T281] other info that might help us debug this: [ 11.024332][ T281] [ 11.024653][ T281] [ 11.024653][ T281] rcu_scheduler_active = 2, debug_locks = 1 [ 11.024892][ T281] no locks held by smcrouted/281. [ 11.025058][ T281] [ 11.025058][ T281] stack backtrace: [ 11.025274][ T281] CPU: 0 UID: 0 PID: 281 Comm: smcrouted Not tainted 6.12.0-rc6-virtme #1 [ 11.025517][ T281] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.025716][ T281] Call Trace: [ 11.025841][ T281] [ 11.025928][ T281] dump_stack_lvl+0xb0/0xd0 [ 11.026098][ T281] lockdep_rcu_suspicious+0x1ea/0x280 [ 11.026269][ T281] ip6mr_get_table+0x142/0x190 [ 11.026434][ T281] ip6_mroute_setsockopt+0x185/0x12d0 [ 11.026599][ T281] ? __pfx_ip6_mroute_setsockopt+0x10/0x10 [ 11.026802][ T281] ? __lock_release+0x103/0x460 [ 11.026963][ T281] ? __might_fault+0x11b/0x170 [ 11.027129][ T281] ? trace_lock_acquire+0x14d/0x1f0 [ 11.027297][ T281] ? __might_fault+0xc3/0x170 [ 11.027455][ T281] ? lock_acquire+0x32/0xc0 [ 11.027617][ T281] ? __might_fault+0xc3/0x170 [ 11.027777][ T281] ? __might_fault+0x11b/0x170 [ 11.027948][ T281] do_ipv6_setsockopt+0x705/0x34e0 [ 11.028111][ T281] ? __lock_release+0xe0/0x460 [ 11.028274][ T281] ? __pfx_do_ipv6_setsockopt+0x10/0x10 [ 11.028432][ T281] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 11.028593][ T281] ? rcu_read_lock_any_held+0x43/0xb0 [ 11.028755][ T281] ? validate_chain+0x1fe/0xae0 [ 11.028913][ T281] ? is_bpf_text_address+0x67/0x120 [ 11.029090][ T281] ? __pfx_validate_chain+0x10/0x10 [ 11.029253][ T281] ? hlock_class+0x4e/0x130 [ 11.029410][ T281] ? mark_lock+0x38/0x3e0 [ 11.029537][ T281] ? __lock_acquire+0xb3f/0x1580 [ 11.029707][ T281] ? find_held_lock+0x2c/0x110 [ 11.029874][ T281] ? ipv6_setsockopt+0x7f/0xe0 [ 11.030033][ T281] ipv6_setsockopt+0x7f/0xe0 [ 11.030201][ T281] rawv6_setsockopt+0xb7/0x550 [ 11.030364][ T281] ? __pfx_rawv6_setsockopt+0x10/0x10 [ 11.030523][ T281] ? __lock_acquire+0xb3f/0x1580 [ 11.030683][ T281] ? kfree+0x2d/0x340 [ 11.030813][ T281] do_sock_setsockopt+0x149/0x3a0 [ 11.030973][ T281] ? __pfx_do_sock_setsockopt+0x10/0x10 [ 11.031132][ T281] ? __lock_release+0x103/0x460 [ 11.031287][ T281] ? fd_install+0x1d1/0x5a0 [ 11.031450][ T281] ? trace_lock_acquire+0x14d/0x1f0 [ 11.031616][ T281] ? fdget+0x52/0x1e0 [ 11.031745][ T281] __sys_setsockopt+0x104/0x1a0 [ 11.031908][ T281] ? __pfx___sys_setsockopt+0x10/0x10 [ 11.032066][ T281] ? __sys_socket+0x168/0x1e0 [ 11.032228][ T281] ? __pfx___sys_socket+0x10/0x10 [ 11.032390][ T281] ? do_user_addr_fault+0x374/0xe30 [ 11.032556][ T281] __x64_sys_setsockopt+0xbd/0x160 [ 11.032716][ T281] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 11.032917][ T281] do_syscall_64+0xc1/0x1d0 [ 11.033083][ T281] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 11.033281][ T281] RIP: 0033:0x7f321a5c091e [ 11.033451][ T281] 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 [ 11.033999][ T281] RSP: 002b:00007ffc23b7dd28 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 11.034243][ T281] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f321a5c091e [ 11.034488][ T281] RDX: 00000000000000c8 RSI: 0000000000000029 RDI: 0000000000000008 [ 11.034727][ T281] RBP: 0000000000000008 R08: 0000000000000004 R09: 0000000000000000 [ 11.034963][ T281] R10: 00007ffc23b7dd4c R11: 0000000000000246 R12: 0000000000000000 [ 11.035201][ T281] R13: 0000000000402650 R14: 0000000000411dd8 R15: 00007f321a6c5000 [ 11.035452][ T281] [ 11.038376][ T281] veth0: entered allmulticast mode [ 11.038959][ T281] veth1: entered allmulticast mode [ 11.039312][ T281] veth2: entered allmulticast mode [ 11.039631][ T281] veth3: entered allmulticast mode [ 22.221907][ T369] GACT probability NOT on [ 28.671194][ T281] veth0: left allmulticast mode [ 28.671662][ T281] veth1: left allmulticast mode [ 28.671890][ T281] veth2: left allmulticast mode [ 28.672112][ T281] veth3: left allmulticast mode