[ 1247.875829][T17346] [ 1247.876008][T17346] ============================= [ 1247.876204][T17346] WARNING: suspicious RCU usage [ 1247.876393][T17346] 6.12.0-rc7-virtme #1 Not tainted [ 1247.876585][T17346] ----------------------------- [ 1247.876766][T17346] net/ipv6/ip6mr.c:132 RCU-list traversed in non-reader section!! [ 1247.877033][T17346] [ 1247.877033][T17346] other info that might help us debug this: [ 1247.877033][T17346] [ 1247.877404][T17346] [ 1247.877404][T17346] rcu_scheduler_active = 2, debug_locks = 1 [ 1247.877667][T17346] no locks held by smcrouted/17346. [ 1247.877852][T17346] [ 1247.877852][T17346] stack backtrace: [ 1247.878079][T17346] CPU: 0 UID: 0 PID: 17346 Comm: smcrouted Not tainted 6.12.0-rc7-virtme #1 [ 1247.878390][T17346] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 1247.878605][T17346] Call Trace: [ 1247.878742][T17346] [ 1247.878836][T17346] dump_stack_lvl+0xb0/0xd0 [ 1247.879034][T17346] lockdep_rcu_suspicious+0x1ea/0x280 [ 1247.879217][T17346] ip6mr_get_table+0x142/0x190 [ 1247.879394][T17346] ip6_mroute_setsockopt+0x185/0x12d0 [ 1247.879572][T17346] ? __pfx_ip6_mroute_setsockopt+0x10/0x10 [ 1247.879801][T17346] ? __lock_release+0x103/0x460 [ 1247.879981][T17346] ? __might_fault+0x11b/0x170 [ 1247.880161][T17346] ? trace_lock_acquire+0x14d/0x1f0 [ 1247.880349][T17346] ? __might_fault+0xc3/0x170 [ 1247.880521][T17346] ? lock_acquire+0x32/0xc0 [ 1247.880693][T17346] ? __might_fault+0xc3/0x170 [ 1247.880868][T17346] ? __might_fault+0x11b/0x170 [ 1247.881056][T17346] do_ipv6_setsockopt+0x705/0x34e0 [ 1247.881247][T17346] ? __lock_release+0x40/0x460 [ 1247.881428][T17346] ? __pfx_do_ipv6_setsockopt+0x10/0x10 [ 1247.881605][T17346] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 1247.881786][T17346] ? rcu_read_lock_any_held+0x43/0xb0 [ 1247.881969][T17346] ? validate_chain+0x1fe/0xae0 [ 1247.882143][T17346] ? is_bpf_text_address+0x67/0x120 [ 1247.882335][T17346] ? __pfx_validate_chain+0x10/0x10 [ 1247.882512][T17346] ? hlock_class+0x4e/0x130 [ 1247.882691][T17346] ? mark_lock+0x38/0x3e0 [ 1247.882830][T17346] ? __lock_acquire+0xb3f/0x1580 [ 1247.883014][T17346] ? find_held_lock+0x2c/0x110 [ 1247.883195][T17346] ? ipv6_setsockopt+0x7f/0xe0 [ 1247.883373][T17346] ipv6_setsockopt+0x7f/0xe0 [ 1247.883553][T17346] rawv6_setsockopt+0xb7/0x550 [ 1247.883737][T17346] ? __pfx_rawv6_setsockopt+0x10/0x10 [ 1247.883908][T17346] ? __lock_acquire+0xb3f/0x1580 [ 1247.884082][T17346] ? kfree+0x2d/0x340 [ 1247.884227][T17346] do_sock_setsockopt+0x149/0x3a0 [ 1247.884408][T17346] ? __pfx_do_sock_setsockopt+0x10/0x10 [ 1247.884586][T17346] ? __lock_release+0x103/0x460 [ 1247.884765][T17346] ? fd_install+0x1d1/0x5a0 [ 1247.884953][T17346] ? trace_lock_acquire+0x14d/0x1f0 [ 1247.885134][T17346] ? fdget+0x52/0x1e0 [ 1247.885277][T17346] __sys_setsockopt+0x104/0x1a0 [ 1247.885459][T17346] ? __pfx___sys_setsockopt+0x10/0x10 [ 1247.885635][T17346] ? __sys_socket+0x168/0x1e0 [ 1247.885812][T17346] ? __pfx___sys_socket+0x10/0x10 [ 1247.885987][T17346] ? do_user_addr_fault+0x374/0xe30 [ 1247.886169][T17346] __x64_sys_setsockopt+0xbd/0x160 [ 1247.886343][T17346] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 1247.886579][T17346] do_syscall_64+0xc1/0x1d0 [ 1247.886757][T17346] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 1247.886967][T17346] RIP: 0033:0x7fbcb268d91e [ 1247.887161][T17346] 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 [ 1247.887794][T17346] RSP: 002b:00007fff950caa18 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 1247.888072][T17346] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fbcb268d91e [ 1247.888332][T17346] RDX: 00000000000000c8 RSI: 0000000000000029 RDI: 0000000000000008 [ 1247.888594][T17346] RBP: 0000000000000008 R08: 0000000000000004 R09: 0000000000000000 [ 1247.888861][T17346] R10: 00007fff950caa3c R11: 0000000000000246 R12: 0000000000000000 [ 1247.889126][T17346] R13: 0000000000402650 R14: 0000000000411dd8 R15: 00007fbcb2792000 [ 1247.889397][T17346] [ 1247.892116][T17346] veth0: entered allmulticast mode [ 1247.893077][T17346] veth1: entered allmulticast mode [ 1247.893448][T17346] veth2: entered allmulticast mode [ 1247.893788][T17346] veth3: entered allmulticast mode [ 1247.894126][T17346] veth4: entered allmulticast mode [ 1247.894477][T17346] veth5: entered allmulticast mode [ 1259.068800][T17433] GACT probability NOT on [ 1274.969798][T17346] veth0: left allmulticast mode [ 1274.970100][T17346] veth1: left allmulticast mode [ 1274.971532][T17346] veth2: left allmulticast mode [ 1274.971774][T17346] veth3: left allmulticast mode [ 1274.972009][T17346] veth4: left allmulticast mode [ 1274.972291][T17346] veth5: left allmulticast mode