rcu: INFO: rcu_preempt self-detected stall on CPU rcu: 0-....: (1 GPs behind) idle=b90c/1/0x4000000000000000 softirq=84660/84661 fqs=4763 rcu: hardirqs softirqs csw/system rcu: number: 0 0 0 rcu: cputime: 278 52209 6 ==> 52490(ms) rcu: (t=10500 jiffies g=123257 q=893 ncpus=2) CPU: 0 PID: 28088 Comm: syz-executor.3 Not tainted 6.5.0-rc3-syzkaller-00840-g36e68eadd303 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 RIP: 0010:__sanitizer_cov_trace_pc+0x0/0x70 kernel/kcov.c:200 Code: 96 90 99 02 66 0f 1f 44 00 00 f3 0f 1e fa 48 8b be b0 01 00 00 e8 b0 ff ff ff 31 c0 c3 66 66 2e 0f 1f 84 00 00 00 00 00 66 90 0f 1e fa 65 8b 05 ad 3a 7d 7e 89 c1 48 8b 34 24 81 e1 00 01 00 RSP: 0018:ffffc90000007bb8 EFLAGS: 00000293 RAX: 0000000000000000 RBX: ffffc90016f08390 RCX: ffffffff8859f002 RDX: ffff888043ce5940 RSI: 0000000000000100 RDI: 0000000000000006 RBP: ffff888034682b00 R08: 0000000000000006 R09: 000000000001c9c3 R10: 0000000000000000 R11: 0000000038a90599 R12: 000000000001c9c3 R13: 0000000000000000 R14: fffffff0a3da8872 R15: 0000000000000001 FS: 00007f3d13dfe6c0(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000002000a038 CR3: 0000000080ac5000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: pie_calculate_probability+0x41c/0x850 net/sched/sch_pie.c:409 fq_pie_timer+0x1da/0x4f0 net/sched/sch_fq_pie.c:387 call_timer_fn+0x1a0/0x580 kernel/time/timer.c:1700 expire_timers kernel/time/timer.c:1751 [inline] __run_timers+0x764/0xb10 kernel/time/timer.c:2022 run_timer_softirq+0x58/0xd0 kernel/time/timer.c:2035 __do_softirq+0x218/0x965 kernel/softirq.c:553 invoke_softirq kernel/softirq.c:427 [inline] __irq_exit_rcu kernel/softirq.c:632 [inline] irq_exit_rcu+0xb7/0x120 kernel/softirq.c:644 sysvec_apic_timer_interrupt+0x93/0xc0 arch/x86/kernel/apic/apic.c:1109 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:645 RIP: 0010:filter_irq_stacks+0x5d/0x90 kernel/stacktrace.c:394 Code: 81 fa d0 15 40 8a 73 09 83 c0 01 48 83 c4 10 5b c3 48 81 fa 30 b0 37 8a 72 09 48 81 fa 95 b9 37 8a 72 e5 83 c0 01 48 83 c7 08 <39> c6 75 b8 89 f0 eb d9 31 c0 c3 89 74 24 0c 89 44 24 08 48 89 3c RSP: 0018:ffffc9000332edc0 EFLAGS: 00000292 RAX: 0000000000000013 RBX: dffffc0000000000 RCX: 0000000000000001 RDX: ffffffff8a40008b RSI: 0000000000000013 RDI: ffffc9000332eee0 RBP: ffffc9000332ee48 R08: 0000000000000000 R09: fffffbfff1d57d7a R10: ffffffff8eabebd7 R11: 0000000000094000 R12: 0000000000000001 R13: 0000000000000000 R14: ffffc9000332ee48 R15: ffffea0000b08f80 __stack_depot_save+0x39/0x510 lib/stackdepot.c:377 kasan_save_stack+0x43/0x50 mm/kasan/common.c:46 kasan_set_track+0x25/0x30 mm/kasan/common.c:52 kasan_save_free_info+0x2b/0x40 mm/kasan/generic.c:522 ____kasan_slab_free mm/kasan/common.c:236 [inline] ____kasan_slab_free+0x15e/0x1b0 mm/kasan/common.c:200 kasan_slab_free include/linux/kasan.h:162 [inline] slab_free_hook mm/slub.c:1792 [inline] slab_free_freelist_hook+0x10b/0x1e0 mm/slub.c:1818 slab_free mm/slub.c:3801 [inline] __kmem_cache_free+0xb8/0x2f0 mm/slub.c:3814 tipc_dest_pop+0x223/0x2d0 net/tipc/name_table.c:1180 tipc_sk_mcast_rcv+0x502/0xf70 net/tipc/socket.c:1249 tipc_mcast_xmit+0x65e/0xdb0 net/tipc/bcast.c:424 tipc_sendmcast+0x87a/0xb50 net/tipc/socket.c:888 __tipc_sendmsg+0x121c/0x17e0 net/tipc/socket.c:1470 tipc_sendmsg+0x4f/0x70 net/tipc/socket.c:1404 sock_sendmsg_nosec net/socket.c:725 [inline] sock_sendmsg+0xd9/0x180 net/socket.c:748 ____sys_sendmsg+0x2ac/0x940 net/socket.c:2494 ___sys_sendmsg+0x135/0x1d0 net/socket.c:2548 __sys_sendmmsg+0x1a1/0x450 net/socket.c:2634 __do_sys_sendmmsg net/socket.c:2663 [inline] __se_sys_sendmmsg net/socket.c:2660 [inline] __x64_sys_sendmmsg+0x9c/0x100 net/socket.c:2660 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f3d1527cae9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f3d13dfe0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 RAX: ffffffffffffffda RBX: 00007f3d1539bf80 RCX: 00007f3d1527cae9 RDX: 0000000000000300 RSI: 0000000020002f40 RDI: 0000000000000003 RBP: 00007f3d152c847a R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007f3d1539bf80 R15: 00007fff8f878798