[ 10.539579][ T279] [ 10.539701][ T279] ============================= [ 10.539863][ T279] WARNING: suspicious RCU usage [ 10.540022][ T279] 6.12.0-rc7-virtme #1 Not tainted [ 10.540178][ T279] ----------------------------- [ 10.540332][ T279] net/ipv6/ip6mr.c:132 RCU-list traversed in non-reader section!! [ 10.540575][ T279] [ 10.540575][ T279] other info that might help us debug this: [ 10.540575][ T279] [ 10.540875][ T279] [ 10.540875][ T279] rcu_scheduler_active = 2, debug_locks = 1 [ 10.541120][ T279] no locks held by smcrouted/279. [ 10.541274][ T279] [ 10.541274][ T279] stack backtrace: [ 10.541478][ T279] CPU: 3 UID: 0 PID: 279 Comm: smcrouted Not tainted 6.12.0-rc7-virtme #1 [ 10.541713][ T279] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.541909][ T279] Call Trace: [ 10.542031][ T279] <TASK> [ 10.542117][ T279] dump_stack_lvl+0xb0/0xd0 [ 10.542281][ T279] lockdep_rcu_suspicious+0x1ea/0x280 [ 10.542443][ T279] ip6mr_get_table+0x142/0x190 [ 10.542599][ T279] ip6_mroute_setsockopt+0x185/0x12d0 [ 10.542759][ T279] ? __pfx_ip6_mroute_setsockopt+0x10/0x10 [ 10.542958][ T279] ? __lock_release+0x103/0x460 [ 10.543110][ T279] ? __might_fault+0x11b/0x170 [ 10.543270][ T279] ? trace_lock_acquire+0x14d/0x1f0 [ 10.543434][ T279] ? __might_fault+0xc3/0x170 [ 10.543586][ T279] ? lock_acquire+0x32/0xc0 [ 10.543743][ T279] ? __might_fault+0xc3/0x170 [ 10.543899][ T279] ? __might_fault+0x11b/0x170 [ 10.544067][ T279] do_ipv6_setsockopt+0x705/0x34e0 [ 10.544225][ T279] ? __lock_release+0x10/0x460 [ 10.544380][ T279] ? __pfx_do_ipv6_setsockopt+0x10/0x10 [ 10.544533][ T279] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 10.544697][ T279] ? rcu_read_lock_any_held+0x43/0xb0 [ 10.544853][ T279] ? validate_chain+0x1fe/0xae0 [ 10.545009][ T279] ? is_bpf_text_address+0x67/0x120 [ 10.545171][ T279] ? __pfx_validate_chain+0x10/0x10 [ 10.545325][ T279] ? hlock_class+0x4e/0x130 [ 10.545479][ T279] ? mark_lock+0x38/0x3e0 [ 10.545601][ T279] ? __lock_acquire+0xb3f/0x1580 [ 10.545763][ T279] ? find_held_lock+0x2c/0x110 [ 10.545926][ T279] ? ipv6_setsockopt+0x7f/0xe0 [ 10.546086][ T279] ipv6_setsockopt+0x7f/0xe0 [ 10.546242][ T279] rawv6_setsockopt+0xb7/0x550 [ 10.546403][ T279] ? __pfx_rawv6_setsockopt+0x10/0x10 [ 10.546560][ T279] ? __lock_acquire+0xb3f/0x1580 [ 10.546724][ T279] ? kfree+0x2d/0x340 [ 10.546850][ T279] do_sock_setsockopt+0x149/0x3a0 [ 10.547009][ T279] ? __pfx_do_sock_setsockopt+0x10/0x10 [ 10.547167][ T279] ? __lock_release+0x103/0x460 [ 10.547322][ T279] ? fd_install+0x1d1/0x5a0 [ 10.547484][ T279] ? trace_lock_acquire+0x14d/0x1f0 [ 10.547641][ T279] ? fdget+0x52/0x1e0 [ 10.547765][ T279] __sys_setsockopt+0x104/0x1a0 [ 10.547924][ T279] ? __pfx___sys_setsockopt+0x10/0x10 [ 10.548082][ T279] ? __sys_socket+0x168/0x1e0 [ 10.548239][ T279] ? __pfx___sys_socket+0x10/0x10 [ 10.548397][ T279] ? do_user_addr_fault+0x374/0xe30 [ 10.548557][ T279] __x64_sys_setsockopt+0xbd/0x160 [ 10.548709][ T279] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 10.548911][ T279] do_syscall_64+0xc1/0x1d0 [ 10.549076][ T279] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 10.549282][ T279] RIP: 0033:0x7f882511791e [ 10.549449][ T279] 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 [ 10.549996][ T279] RSP: 002b:00007ffec97be898 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 10.550238][ T279] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f882511791e [ 10.550472][ T279] RDX: 00000000000000c8 RSI: 0000000000000029 RDI: 0000000000000008 [ 10.550709][ T279] RBP: 0000000000000008 R08: 0000000000000004 R09: 0000000000000000 [ 10.550944][ T279] R10: 00007ffec97be8bc R11: 0000000000000246 R12: 0000000000000000 [ 10.551189][ T279] R13: 0000000000402650 R14: 0000000000411dd8 R15: 00007f882521c000 [ 10.551442][ T279] </TASK> [ 10.553868][ T279] veth0: entered allmulticast mode [ 10.556560][ T279] veth1: entered allmulticast mode [ 10.556900][ T279] veth2: entered allmulticast mode [ 10.557211][ T279] veth3: entered allmulticast mode [ 21.674941][ T368] GACT probability NOT on [ 21.693679][ T366] tc (366) used greatest stack depth: 24376 bytes left [ 28.462115][ T279] veth0: left allmulticast mode [ 28.462448][ T279] veth1: left allmulticast mode [ 28.462686][ T279] veth2: left allmulticast mode [ 28.463124][ T279] veth3: left allmulticast mode