------------[ cut here ]------------ WARNING: CPU: 1 PID: 5054 at net/ipv4/af_inet.c:154 inet_sock_destruct+0x6df/0x8a0 net/ipv4/af_inet.c:154 Modules linked in: CPU: 1 PID: 5054 Comm: syz-executor.3 Not tainted 6.3.0-syzkaller-13410-g341d3bda8cfa #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/14/2023 RIP: 0010:inet_sock_destruct+0x6df/0x8a0 net/ipv4/af_inet.c:154 Code: ff e8 95 0a e2 f8 0f 0b e9 07 fe ff ff e8 89 0a e2 f8 0f 0b e9 3f fe ff ff e8 7d 0a e2 f8 0f 0b e9 95 fd ff ff e8 71 0a e2 f8 <0f> 0b e9 9f fe ff ff e8 65 d2 34 f9 e9 7a fc ff ff 4c 89 e7 e8 98 RSP: 0018:ffffc900001e0c48 EFLAGS: 00010246 RAX: 0000000000000000 RBX: 00000000ffffe000 RCX: 0000000000000100 RDX: ffff88807d9f1dc0 RSI: ffffffff88a23a6f RDI: 0000000000000005 RBP: ffff888030b23100 R08: 0000000000000005 R09: 0000000000000000 R10: 00000000ffffe000 R11: 0000000000000001 R12: ffff888030b23128 R13: ffff888030b23374 R14: ffff888030b23180 R15: 0000000000000001 FS: 0000555556743400(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020002740 CR3: 000000004a97b000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __sk_destruct+0x4d/0x770 net/core/sock.c:2130 sk_destruct net/core/sock.c:2178 [inline] __sk_free+0x175/0x460 net/core/sock.c:2189 sk_free+0x7c/0xa0 net/core/sock.c:2200 sock_put include/net/sock.h:1968 [inline] tcp_write_timer+0x24b/0x2b0 net/ipv4/tcp_timer.c:644 call_timer_fn+0x1a0/0x580 kernel/time/timer.c:1700 expire_timers+0x29b/0x4b0 kernel/time/timer.c:1751 __run_timers kernel/time/timer.c:2022 [inline] __run_timers kernel/time/timer.c:1995 [inline] run_timer_softirq+0x326/0x910 kernel/time/timer.c:2035 __do_softirq+0x1d4/0x905 kernel/softirq.c:571 invoke_softirq kernel/softirq.c:445 [inline] __irq_exit_rcu+0x114/0x190 kernel/softirq.c:650 irq_exit_rcu+0x9/0x20 kernel/softirq.c:662 sysvec_apic_timer_interrupt+0x97/0xc0 arch/x86/kernel/apic/apic.c:1106 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:645 RIP: 0010:lock_acquire+0x1f5/0x520 kernel/locking/lockdep.c:5659 Code: 98 9c 7e 83 f8 01 0f 85 b9 02 00 00 9c 58 f6 c4 02 0f 85 a4 02 00 00 48 83 7c 24 08 00 74 01 fb 48 b8 00 00 00 00 00 fc ff df <48> 01 c3 48 c7 03 00 00 00 00 48 c7 43 08 00 00 00 00 48 8b 84 24 RSP: 0018:ffffc90003f9f558 EFLAGS: 00000206 RAX: dffffc0000000000 RBX: 1ffff920007f3ead RCX: a2e20ba4532091a2 RDX: 1ffff1100fb3e510 RSI: 0000000000000002 RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000000 R09: ffffffff91527d07 R10: fffffbfff22a4fa0 R11: 0000000000000000 R12: 0000000000000002 R13: 0000000000000000 R14: ffffffff8c799040 R15: 0000000000000000 rcu_lock_acquire include/linux/rcupdate.h:327 [inline] rcu_read_lock include/linux/rcupdate.h:773 [inline] page_ext_get+0x3c/0x320 mm/page_ext.c:167 page_table_check_set.part.0+0x36/0x3c0 mm/page_table_check.c:109 page_table_check_set mm/page_table_check.c:195 [inline] __page_table_check_pte_set+0x2ad/0x310 mm/page_table_check.c:195 page_table_check_pte_set include/linux/page_table_check.h:83 [inline] set_pte_at arch/x86/include/asm/pgtable.h:1025 [inline] copy_present_pte mm/memory.c:974 [inline] copy_pte_range mm/memory.c:1064 [inline] copy_pmd_range mm/memory.c:1150 [inline] copy_pud_range mm/memory.c:1187 [inline] copy_p4d_range mm/memory.c:1211 [inline] copy_page_range+0x199f/0x3830 mm/memory.c:1309 dup_mmap+0x10bc/0x19d0 kernel/fork.c:760 dup_mm kernel/fork.c:1692 [inline] copy_mm kernel/fork.c:1741 [inline] copy_process+0x65ae/0x7600 kernel/fork.c:2507 kernel_clone+0xeb/0x890 kernel/fork.c:2918 __do_sys_clone+0xba/0x100 kernel/fork.c:3061 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f545ea89e9b Code: ed 0f 85 60 01 00 00 64 4c 8b 0c 25 10 00 00 00 45 31 c0 4d 8d 91 d0 02 00 00 31 d2 31 f6 bf 11 00 20 01 b8 38 00 00 00 0f 05 <48> 3d 00 f0 ff ff 0f 87 89 00 00 00 41 89 c5 85 c0 0f 85 90 00 00 RSP: 002b:00007ffc0197ccd0 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f545ea89e9b RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011 RBP: 0000000000000001 R08: 0000000000000000 R09: 0000555556743400 R10: 00005555567436d0 R11: 0000000000000246 R12: 0000000000000001 R13: 0000000000000000 R14: 0000000000000001 R15: 00007ffc0197cdb0 ---------------- Code disassembly (best guess): 0: 98 cwtl 1: 9c pushfq 2: 7e 83 jle 0xffffff87 4: f8 clc 5: 01 0f add %ecx,(%rdi) 7: 85 b9 02 00 00 9c test %edi,-0x63fffffe(%rcx) d: 58 pop %rax e: f6 c4 02 test $0x2,%ah 11: 0f 85 a4 02 00 00 jne 0x2bb 17: 48 83 7c 24 08 00 cmpq $0x0,0x8(%rsp) 1d: 74 01 je 0x20 1f: fb sti 20: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 27: fc ff df * 2a: 48 01 c3 add %rax,%rbx <-- trapping instruction 2d: 48 c7 03 00 00 00 00 movq $0x0,(%rbx) 34: 48 c7 43 08 00 00 00 movq $0x0,0x8(%rbx) 3b: 00 3c: 48 rex.W 3d: 8b .byte 0x8b 3e: 84 .byte 0x84 3f: 24 .byte 0x24