[ 295.568800][ T2328] sctp: Hash tables configured (bind 32/56) [ 343.055356][ T2509] [ 343.055713][ T2509] ============================= [ 343.055958][ T2509] WARNING: suspicious RCU usage [ 343.056169][ T2509] 6.12.0-rc5-virtme #1 Not tainted [ 343.056347][ T2509] ----------------------------- [ 343.056512][ T2509] net/core/dev.c:876 RCU-list traversed in non-reader section!! [ 343.057032][ T2509] [ 343.057032][ T2509] other info that might help us debug this: [ 343.057032][ T2509] [ 343.058257][ T2509] [ 343.058257][ T2509] rcu_scheduler_active = 2, debug_locks = 1 [ 343.058703][ T2509] 1 lock held by sctp_hello/2509: [ 343.058931][ T2509] #0: ffff88800b9ece98 (sk_lock-AF_INET6){+.+.}-{0:0}, at: sctp_bind+0x1f/0xe0 [sctp] [ 343.059461][ T2509] [ 343.059461][ T2509] stack backtrace: [ 343.059673][ T2509] CPU: 1 UID: 0 PID: 2509 Comm: sctp_hello Not tainted 6.12.0-rc5-virtme #1 [ 343.060044][ T2509] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 343.060524][ T2509] Call Trace: [ 343.060681][ T2509] [ 343.060770][ T2509] dump_stack_lvl+0xb0/0xd0 [ 343.060948][ T2509] lockdep_rcu_suspicious+0x1ea/0x280 [ 343.061124][ T2509] dev_get_by_index_rcu+0x14f/0x190 [ 343.061293][ T2509] sctp_v6_available+0xaf/0x3a0 [sctp] [ 343.061499][ T2509] sctp_do_bind+0x128/0x5f0 [sctp] [ 343.061712][ T2509] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 343.061937][ T2509] sctp_bind+0x86/0xe0 [sctp] [ 343.062150][ T2509] inet6_bind_sk+0xd0/0x1c0 [ 343.062320][ T2509] ? __pfx_inet6_bind_sk+0x10/0x10 [ 343.062491][ T2509] ? __might_fault+0x11b/0x170 [ 343.062670][ T2509] __sys_bind+0x114/0x1d0 [ 343.062799][ T2509] ? __pfx___sys_bind+0x10/0x10 [ 343.062972][ T2509] ? __up_read+0x1a7/0x780 [ 343.063149][ T2509] ? do_user_addr_fault+0x972/0xe30 [ 343.063320][ T2509] ? do_user_addr_fault+0x97c/0xe30 [ 343.063494][ T2509] __x64_sys_bind+0x72/0xb0 [ 343.063688][ T2509] do_syscall_64+0xc1/0x1d0 [ 343.063859][ T2509] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 343.064072][ T2509] RIP: 0033:0x7f1b26de3b2b [ 343.064250][ T2509] Code: 73 01 c3 48 8b 0d d5 92 1b 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 31 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d a5 92 1b 00 f7 d8 64 89 01 48 [ 343.064834][ T2509] RSP: 002b:00007ffccdff1838 EFLAGS: 00000202 ORIG_RAX: 0000000000000031 [ 343.065111][ T2509] RAX: ffffffffffffffda RBX: 00007ffccdff1a28 RCX: 00007f1b26de3b2b [ 343.065364][ T2509] RDX: 000000000000001c RSI: 00007ffccdff1870 RDI: 0000000000000005 [ 343.065676][ T2509] RBP: 0000000000000005 R08: 1999999999999999 R09: 0000000000000000 [ 343.066007][ T2509] R10: 00007f1b26db4d90 R11: 0000000000000202 R12: 00007ffccdff29da [ 343.066350][ T2509] R13: 0000000000000000 R14: 0000000000403e00 R15: 00007f1b26fee000 [ 343.066616][ T2509]