------------[ cut here ]------------ WARNING: CPU: 0 PID: 10680 at net/ipv4/af_inet.c:156 inet_sock_destruct+0x6f6/0x8b0 net/ipv4/af_inet.c:156 Modules linked in: CPU: 0 UID: 0 PID: 10680 Comm: syz-executor Not tainted 6.13.0-rc1-syzkaller-00025-gfeffde684ac2 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 RIP: 0010:inet_sock_destruct+0x6f6/0x8b0 net/ipv4/af_inet.c:156 Code: 0f 0b 90 e9 fa fd ff ff e8 07 73 ee f7 90 0f 0b 90 e9 30 fe ff ff e8 f9 72 ee f7 90 0f 0b 90 e9 84 fd ff ff e8 eb 72 ee f7 90 <0f> 0b 90 e9 8f fe ff ff e8 bd 5a 51 f8 e9 65 fc ff ff 48 89 ef e8 RSP: 0018:ffffc90000007da0 EFLAGS: 00010246 RAX: 0000000000000000 RBX: ffff88807648c380 RCX: ffffffff89ab91b5 RDX: ffff8880262fa440 RSI: ffffffff89ab9325 RDI: 0000000000000005 RBP: 0000000000000fff R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000000fff R11: 0000000000000007 R12: ffff88807648c3a8 R13: ffff88807648c410 R14: 0000000000000000 R15: 0000000000000001 FS: 000055557a280500(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f625c8756c0 CR3: 000000002c5a8000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __sk_destruct+0x4d/0x720 net/core/sock.c:2260 rcu_do_batch kernel/rcu/tree.c:2567 [inline] rcu_core+0x79d/0x14d0 kernel/rcu/tree.c:2823 handle_softirqs+0x213/0x8f0 kernel/softirq.c:554 __do_softirq kernel/softirq.c:588 [inline] invoke_softirq kernel/softirq.c:428 [inline] __irq_exit_rcu+0x109/0x170 kernel/softirq.c:655 irq_exit_rcu+0x9/0x30 kernel/softirq.c:671 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1049 [inline] sysvec_apic_timer_interrupt+0xa4/0xc0 arch/x86/kernel/apic/apic.c:1049 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 RIP: 0010:preempt_count arch/x86/include/asm/preempt.h:26 [inline] RIP: 0010:check_kcov_mode kernel/kcov.c:183 [inline] RIP: 0010:write_comp_data+0x11/0x90 kernel/kcov.c:246 Code: cc cc cc cc 0f 1f 44 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 49 89 d2 49 89 f8 49 89 f1 65 48 8b 15 5f d2 69 7e <65> 8b 05 60 d2 69 7e a9 00 01 ff 00 74 1d f6 c4 01 74 67 a9 00 00 RSP: 0018:ffffc900033077c8 EFLAGS: 00000246 RAX: 0000000000000000 RBX: ffffea0001ba7af4 RCX: ffffffff81e4f54c RDX: ffff8880262fa440 RSI: 0000000000000000 RDI: 0000000000000001 RBP: ffffea0001ba7ac0 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000007 R12: 0000000000000008 R13: ffff888065074dd0 R14: dffffc0000000000 R15: ffffea0001ba7ac0 copy_present_ptes mm/memory.c:1028 [inline] copy_pte_range mm/memory.c:1173 [inline] copy_pmd_range mm/memory.c:1261 [inline] copy_pud_range mm/memory.c:1298 [inline] copy_p4d_range mm/memory.c:1322 [inline] copy_page_range+0xfec/0x57d0 mm/memory.c:1420 dup_mmap kernel/fork.c:751 [inline] dup_mm kernel/fork.c:1695 [inline] copy_mm kernel/fork.c:1744 [inline] copy_process+0x7e77/0x8df0 kernel/fork.c:2395 kernel_clone+0xfd/0x960 kernel/fork.c:2807 __do_sys_clone+0xba/0x100 kernel/fork.c:2950 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f625bb76793 Code: 1f 84 00 00 00 00 00 64 48 8b 04 25 10 00 00 00 45 31 c0 31 d2 31 f6 bf 11 00 20 01 4c 8d 90 d0 02 00 00 b8 38 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 35 89 c2 85 c0 75 2c 64 48 8b 04 25 10 00 00 RSP: 002b:00007ffe2f846608 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f625bb76793 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011 RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000 R10: 000055557a2807d0 R11: 0000000000000246 R12: 0000000000000000 R13: 00000000000709ca R14: 0000000000070998 R15: 00007ffe2f846790 ---------------- Code disassembly (best guess): 0: cc int3 1: cc int3 2: cc int3 3: cc int3 4: 0f 1f 44 00 00 nopl 0x0(%rax,%rax,1) 9: 90 nop a: 90 nop b: 90 nop c: 90 nop d: 90 nop e: 90 nop f: 90 nop 10: 90 nop 11: 90 nop 12: 90 nop 13: 90 nop 14: 90 nop 15: 90 nop 16: 90 nop 17: 90 nop 18: 90 nop 19: 49 89 d2 mov %rdx,%r10 1c: 49 89 f8 mov %rdi,%r8 1f: 49 89 f1 mov %rsi,%r9 22: 65 48 8b 15 5f d2 69 mov %gs:0x7e69d25f(%rip),%rdx # 0x7e69d289 29: 7e * 2a: 65 8b 05 60 d2 69 7e mov %gs:0x7e69d260(%rip),%eax # 0x7e69d291 <-- trapping instruction 31: a9 00 01 ff 00 test $0xff0100,%eax 36: 74 1d je 0x55 38: f6 c4 01 test $0x1,%ah 3b: 74 67 je 0xa4 3d: a9 .byte 0xa9