[ 360.803346][ T3610] [ 360.803535][ T3610] ============================= [ 360.803723][ T3610] WARNING: suspicious RCU usage [ 360.803913][ T3610] 6.12.0-rc7-virtme #1 Not tainted [ 360.804098][ T3610] ----------------------------- [ 360.804478][ T3610] net/ipv6/ip6mr.c:132 RCU-list traversed in non-reader section!! [ 360.804745][ T3610] [ 360.804745][ T3610] other info that might help us debug this: [ 360.804745][ T3610] [ 360.805084][ T3610] [ 360.805084][ T3610] rcu_scheduler_active = 2, debug_locks = 1 [ 360.805370][ T3610] no locks held by smcrouted/3610. [ 360.805550][ T3610] [ 360.805550][ T3610] stack backtrace: [ 360.805771][ T3610] CPU: 2 UID: 0 PID: 3610 Comm: smcrouted Not tainted 6.12.0-rc7-virtme #1 [ 360.806065][ T3610] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 360.806269][ T3610] Call Trace: [ 360.806400][ T3610] [ 360.806488][ T3610] dump_stack_lvl+0xb0/0xd0 [ 360.806667][ T3610] lockdep_rcu_suspicious+0x1ea/0x280 [ 360.806843][ T3610] ip6mr_get_table+0x142/0x190 [ 360.807013][ T3610] ip6_mroute_setsockopt+0x185/0x12d0 [ 360.807183][ T3610] ? __pfx_ip6_mroute_setsockopt+0x10/0x10 [ 360.807394][ T3610] ? __lock_release+0x103/0x460 [ 360.807558][ T3610] ? __might_fault+0x11b/0x170 [ 360.807728][ T3610] ? trace_lock_acquire+0x14d/0x1f0 [ 360.807898][ T3610] ? __might_fault+0xc3/0x170 [ 360.808062][ T3610] ? lock_acquire+0x32/0xc0 [ 360.808248][ T3610] ? __might_fault+0xc3/0x170 [ 360.808415][ T3610] ? __might_fault+0x11b/0x170 [ 360.808588][ T3610] do_ipv6_setsockopt+0x705/0x34e0 [ 360.808754][ T3610] ? __lock_release+0xf0/0x460 [ 360.808920][ T3610] ? __pfx_do_ipv6_setsockopt+0x10/0x10 [ 360.809084][ T3610] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 360.809255][ T3610] ? rcu_read_lock_any_held+0x43/0xb0 [ 360.809423][ T3610] ? validate_chain+0x1fe/0xae0 [ 360.809596][ T3610] ? is_bpf_text_address+0x67/0x120 [ 360.809770][ T3610] ? __pfx_validate_chain+0x10/0x10 [ 360.809935][ T3610] ? hlock_class+0x4e/0x130 [ 360.810099][ T3610] ? mark_lock+0x38/0x3e0 [ 360.810233][ T3610] ? __lock_acquire+0xb3f/0x1580 [ 360.810405][ T3610] ? find_held_lock+0x2c/0x110 [ 360.810578][ T3610] ? ipv6_setsockopt+0x7f/0xe0 [ 360.810743][ T3610] ipv6_setsockopt+0x7f/0xe0 [ 360.810913][ T3610] rawv6_setsockopt+0xb7/0x550 [ 360.811085][ T3610] ? __pfx_rawv6_setsockopt+0x10/0x10 [ 360.811252][ T3610] ? __lock_acquire+0xb3f/0x1580 [ 360.811419][ T3610] ? kfree+0x2d/0x340 [ 360.811551][ T3610] do_sock_setsockopt+0x149/0x3a0 [ 360.811724][ T3610] ? __pfx_do_sock_setsockopt+0x10/0x10 [ 360.811895][ T3610] ? __lock_release+0x103/0x460 [ 360.812053][ T3610] ? fd_install+0x1d1/0x5a0 [ 360.812224][ T3610] ? trace_lock_acquire+0x14d/0x1f0 [ 360.812400][ T3610] ? fdget+0x52/0x1e0 [ 360.812533][ T3610] __sys_setsockopt+0x104/0x1a0 [ 360.812706][ T3610] ? __pfx___sys_setsockopt+0x10/0x10 [ 360.812876][ T3610] ? __sys_socket+0x168/0x1e0 [ 360.813044][ T3610] ? __pfx___sys_socket+0x10/0x10 [ 360.813216][ T3610] ? do_user_addr_fault+0x374/0xe30 [ 360.813392][ T3610] __x64_sys_setsockopt+0xbd/0x160 [ 360.813559][ T3610] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 360.813773][ T3610] do_syscall_64+0xc1/0x1d0 [ 360.813944][ T3610] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 360.814152][ T3610] RIP: 0033:0x7f867895391e [ 360.814328][ T3610] 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 [ 360.814911][ T3610] RSP: 002b:00007ffd1d41bf78 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 360.815170][ T3610] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f867895391e [ 360.815421][ T3610] RDX: 00000000000000c8 RSI: 0000000000000029 RDI: 0000000000000008 [ 360.815674][ T3610] RBP: 0000000000000008 R08: 0000000000000004 R09: 0000000000000000 [ 360.815926][ T3610] R10: 00007ffd1d41bf9c R11: 0000000000000246 R12: 0000000000000000 [ 360.816178][ T3610] R13: 0000000000402650 R14: 0000000000411dd8 R15: 00007f8678a58000 [ 360.816444][ T3610] [ 360.819014][ T3610] veth0: entered allmulticast mode [ 360.820362][ T3610] veth1: entered allmulticast mode [ 360.820721][ T3610] veth2: entered allmulticast mode [ 360.821058][ T3610] veth3: entered allmulticast mode [ 360.821450][ T3610] veth4: entered allmulticast mode [ 360.821798][ T3610] veth5: entered allmulticast mode [ 385.590297][ T3610] veth0: left allmulticast mode [ 385.590673][ T3610] veth1: left allmulticast mode [ 385.590911][ T3610] veth2: left allmulticast mode [ 385.591135][ T3610] veth3: left allmulticast mode [ 385.591384][ T3610] veth4: left allmulticast mode [ 385.591684][ T3610] veth5: left allmulticast mode