list_del corruption, ffff88805d249c90->next is NULL ------------[ cut here ]------------ kernel BUG at lib/list_debug.c:53! Oops: invalid opcode: 0000 [#1] SMP KASAN PTI CPU: 0 UID: 0 PID: 15 Comm: ksoftirqd/0 Tainted: G L syzkaller #0 PREEMPT(full) Tainted: [L]=SOFTLOCKUP Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 RIP: 0010:__list_del_entry_valid_or_report+0xdf/0x190 lib/list_debug.c:52 Code: 49 39 1f 0f 85 9e 00 00 00 b0 01 5b 41 5c 41 5d 41 5e 41 5f e9 52 5c f8 06 cc 48 c7 c7 a0 e8 27 8c 48 89 de e8 12 51 6e fc 90 <0f> 0b 48 c7 c7 00 e9 27 8c 48 89 de e8 00 51 6e fc 90 0f 0b 4c 89 RSP: 0018:ffffc90000147af8 EFLAGS: 00010046 RAX: 0000000000000033 RBX: ffff88805d249c90 RCX: 9367a7f4bf0b6100 RDX: 0000000000000100 RSI: 0000000080000101 RDI: 0000000000000000 RBP: 0000000000000203 R08: ffffc90000147887 R09: 1ffff92000028f10 R10: dffffc0000000000 R11: fffff52000028f11 R12: 1ffff1100ba49392 R13: dffffc0000000000 R14: 0000000000000000 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff888125457000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055556fb04a28 CR3: 0000000077bee000 CR4: 00000000003526f0 Call Trace: __list_del_entry_valid include/linux/list.h:132 [inline] __list_del_entry include/linux/list.h:223 [inline] list_del_init include/linux/list.h:295 [inline] dst_destroy+0x202/0x5a0 net/core/dst.c:163 rcu_do_batch kernel/rcu/tree.c:2617 [inline] rcu_core+0x7cd/0x1070 kernel/rcu/tree.c:2869 handle_softirqs+0x22a/0x870 kernel/softirq.c:626 run_ksoftirqd+0x36/0x60 kernel/softirq.c:1067 smpboot_thread_fn+0x541/0xa50 kernel/smpboot.c:160 kthread+0x388/0x470 kernel/kthread.c:436 ret_from_fork+0x51e/0xb90 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:__list_del_entry_valid_or_report+0xdf/0x190 lib/list_debug.c:52 Code: 49 39 1f 0f 85 9e 00 00 00 b0 01 5b 41 5c 41 5d 41 5e 41 5f e9 52 5c f8 06 cc 48 c7 c7 a0 e8 27 8c 48 89 de e8 12 51 6e fc 90 <0f> 0b 48 c7 c7 00 e9 27 8c 48 89 de e8 00 51 6e fc 90 0f 0b 4c 89 RSP: 0018:ffffc90000147af8 EFLAGS: 00010046 RAX: 0000000000000033 RBX: ffff88805d249c90 RCX: 9367a7f4bf0b6100 RDX: 0000000000000100 RSI: 0000000080000101 RDI: 0000000000000000 RBP: 0000000000000203 R08: ffffc90000147887 R09: 1ffff92000028f10 R10: dffffc0000000000 R11: fffff52000028f11 R12: 1ffff1100ba49392 R13: dffffc0000000000 R14: 0000000000000000 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff888125457000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055556fb04a28 CR3: 0000000077bee000 CR4: 00000000003526f0