[ 10.420792][ T280] [ 10.420928][ T280] ============================= [ 10.421213][ T280] WARNING: suspicious RCU usage [ 10.421370][ T280] 6.12.0-rc7-virtme #1 Not tainted [ 10.421525][ T280] ----------------------------- [ 10.421683][ T280] net/ipv6/ip6mr.c:132 RCU-list traversed in non-reader section!! [ 10.421906][ T280] [ 10.421906][ T280] other info that might help us debug this: [ 10.421906][ T280] [ 10.422215][ T280] [ 10.422215][ T280] rcu_scheduler_active = 2, debug_locks = 1 [ 10.422447][ T280] no locks held by smcrouted/280. [ 10.422600][ T280] [ 10.422600][ T280] stack backtrace: [ 10.422790][ T280] CPU: 3 UID: 0 PID: 280 Comm: smcrouted Not tainted 6.12.0-rc7-virtme #1 [ 10.423029][ T280] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.423232][ T280] Call Trace: [ 10.423357][ T280] [ 10.423444][ T280] dump_stack_lvl+0xb0/0xd0 [ 10.423607][ T280] lockdep_rcu_suspicious+0x1ea/0x280 [ 10.423770][ T280] ip6mr_get_table+0x142/0x190 [ 10.423928][ T280] ip6_mroute_setsockopt+0x185/0x12d0 [ 10.424085][ T280] ? __pfx_ip6_mroute_setsockopt+0x10/0x10 [ 10.424284][ T280] ? __lock_release+0x103/0x460 [ 10.424438][ T280] ? __might_fault+0x11b/0x170 [ 10.424593][ T280] ? trace_lock_acquire+0x14d/0x1f0 [ 10.424750][ T280] ? __might_fault+0xc3/0x170 [ 10.424899][ T280] ? lock_acquire+0x32/0xc0 [ 10.425053][ T280] ? __might_fault+0xc3/0x170 [ 10.425207][ T280] ? __might_fault+0x11b/0x170 [ 10.425368][ T280] do_ipv6_setsockopt+0x705/0x34e0 [ 10.425531][ T280] ? __lock_release+0x40/0x460 [ 10.425688][ T280] ? __pfx_do_ipv6_setsockopt+0x10/0x10 [ 10.425843][ T280] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 10.426004][ T280] ? rcu_read_lock_any_held+0x43/0xb0 [ 10.426159][ T280] ? validate_chain+0x1fe/0xae0 [ 10.426314][ T280] ? is_bpf_text_address+0x67/0x120 [ 10.426476][ T280] ? __pfx_validate_chain+0x10/0x10 [ 10.426630][ T280] ? hlock_class+0x4e/0x130 [ 10.426784][ T280] ? mark_lock+0x38/0x3e0 [ 10.426904][ T280] ? __lock_acquire+0xb3f/0x1580 [ 10.427069][ T280] ? find_held_lock+0x2c/0x110 [ 10.427232][ T280] ? ipv6_setsockopt+0x7f/0xe0 [ 10.427385][ T280] ipv6_setsockopt+0x7f/0xe0 [ 10.427539][ T280] rawv6_setsockopt+0xb7/0x550 [ 10.427695][ T280] ? __pfx_rawv6_setsockopt+0x10/0x10 [ 10.427846][ T280] ? __lock_acquire+0xb3f/0x1580 [ 10.427999][ T280] ? kfree+0x2d/0x340 [ 10.428126][ T280] do_sock_setsockopt+0x149/0x3a0 [ 10.428296][ T280] ? __pfx_do_sock_setsockopt+0x10/0x10 [ 10.428451][ T280] ? __lock_release+0x103/0x460 [ 10.428602][ T280] ? fd_install+0x1d1/0x5a0 [ 10.428762][ T280] ? trace_lock_acquire+0x14d/0x1f0 [ 10.428920][ T280] ? fdget+0x52/0x1e0 [ 10.429041][ T280] __sys_setsockopt+0x104/0x1a0 [ 10.429197][ T280] ? __pfx___sys_setsockopt+0x10/0x10 [ 10.429350][ T280] ? __sys_socket+0x168/0x1e0 [ 10.429508][ T280] ? __pfx___sys_socket+0x10/0x10 [ 10.429665][ T280] ? do_user_addr_fault+0x374/0xe30 [ 10.429825][ T280] __x64_sys_setsockopt+0xbd/0x160 [ 10.429977][ T280] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 10.430178][ T280] do_syscall_64+0xc1/0x1d0 [ 10.430332][ T280] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 10.430524][ T280] RIP: 0033:0x7f62dfaf791e [ 10.430686][ 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 [ 10.431220][ T280] RSP: 002b:00007fffaf4d8868 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 10.431454][ T280] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f62dfaf791e [ 10.431686][ T280] RDX: 00000000000000c8 RSI: 0000000000000029 RDI: 0000000000000008 [ 10.431920][ T280] RBP: 0000000000000008 R08: 0000000000000004 R09: 0000000000000000 [ 10.432150][ T280] R10: 00007fffaf4d888c R11: 0000000000000246 R12: 0000000000000000 [ 10.432383][ T280] R13: 0000000000402650 R14: 0000000000411dd8 R15: 00007f62dfbfc000 [ 10.432626][ T280] [ 10.436946][ T280] veth0: entered allmulticast mode [ 10.439157][ T280] veth1: entered allmulticast mode [ 10.439482][ T280] veth2: entered allmulticast mode [ 10.439790][ T280] veth3: entered allmulticast mode [ 21.570825][ T367] GACT probability NOT on [ 27.902998][ T280] veth0: left allmulticast mode [ 27.903317][ T280] veth1: left allmulticast mode [ 27.903550][ T280] veth2: left allmulticast mode [ 27.903780][ T280] veth3: left allmulticast mode