------------[ cut here ]------------ WARNING: CPU: 0 PID: 5888 at net/ipv4/af_inet.c:154 inet_sock_destruct+0x6e7/0x7f0 Modules linked in: CPU: 0 PID: 5888 Comm: syz-executor.2 Not tainted 6.1.86-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 RIP: 0010:inet_sock_destruct+0x6e7/0x7f0 net/ipv4/af_inet.c:154 Code: ff ff e8 cc cf 6e f8 0f 0b e9 21 fe ff ff e8 c0 cf 6e f8 0f 0b 41 80 3c 2c 00 0f 85 4c fe ff ff e9 4f fe ff ff e8 a9 cf 6e f8 <0f> 0b e9 bb fe ff ff 89 f9 80 e1 07 80 c1 03 38 c1 0f 8c 0e fc ff RSP: 0018:ffffc90000007b30 EFLAGS: 00010246 RAX: ffffffff891bbfa7 RBX: 0000000000000400 RCX: ffff88805cc95940 RDX: 0000000000000103 RSI: 0000000000000400 RDI: 0000000000000000 RBP: ffff88814b526600 R08: ffffffff891bbe5c R09: ffffed10296a4d0f R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff110296a4cc5 R13: ffff88814b526ae8 R14: ffff88814b526628 R15: ffff88814b526612 FS: 00007ffac3f846c0(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffac33ad988 CR3: 0000000070b4f000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __sk_destruct+0x50/0x5f0 net/core/sock.c:2138 rcu_do_batch kernel/rcu/tree.c:2296 [inline] rcu_core+0xad5/0x1810 kernel/rcu/tree.c:2556 __do_softirq+0x2e9/0xa4c kernel/softirq.c:571 invoke_softirq kernel/softirq.c:445 [inline] __irq_exit_rcu+0x155/0x240 kernel/softirq.c:650 irq_exit_rcu+0x5/0x20 kernel/softirq.c:662 sysvec_apic_timer_interrupt+0x91/0xb0 arch/x86/kernel/apic/apic.c:1106 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:653 RIP: 0010:lock_acquire+0x26f/0x5a0 kernel/locking/lockdep.c:5666 Code: 2b 00 74 08 4c 89 f7 e8 6f 9f 77 00 f6 44 24 61 02 0f 85 84 01 00 00 41 f7 c7 00 02 00 00 74 01 fb 48 c7 44 24 40 0e 36 e0 45 <4b> c7 44 25 00 00 00 00 00 43 c7 44 25 09 00 00 00 00 43 c7 44 25 RSP: 0018:ffffc9000a2cf2c0 EFLAGS: 00000206 RAX: 0000000000000001 RBX: 1ffff92001459e64 RCX: 1ffff92001459e04 RDX: dffffc0000000000 RSI: ffffffff8aec1340 RDI: ffffffff8b3d42e0 RBP: ffffc9000a2cf420 R08: dffffc0000000000 R09: fffffbfff2093445 R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff92001459e60 R13: dffffc0000000000 R14: ffffc9000a2cf320 R15: 0000000000000246 rcu_lock_acquire include/linux/rcupdate.h:350 [inline] rcu_read_lock_sched include/linux/rcupdate.h:883 [inline] pfn_valid+0x113/0x440 include/linux/mmzone.h:1857 page_table_check_set+0x25/0x6f0 mm/page_table_check.c:105 page_table_check_pte_set include/linux/page_table_check.h:83 [inline] set_pte_at arch/x86/include/asm/pgtable.h:1009 [inline] copy_present_pte mm/memory.c:1000 [inline] copy_pte_range mm/memory.c:1091 [inline] copy_pmd_range mm/memory.c:1177 [inline] copy_pud_range mm/memory.c:1214 [inline] copy_p4d_range mm/memory.c:1238 [inline] copy_page_range+0x2d50/0x4660 mm/memory.c:1336 dup_mmap kernel/fork.c:696 [inline] dup_mm kernel/fork.c:1540 [inline] copy_mm+0xf42/0x1990 kernel/fork.c:1589 copy_process+0x19d5/0x4060 kernel/fork.c:2267 kernel_clone+0x222/0x920 kernel/fork.c:2682 __do_sys_clone kernel/fork.c:2823 [inline] __se_sys_clone kernel/fork.c:2807 [inline] __x64_sys_clone+0x231/0x280 kernel/fork.c:2807 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:81 entry_SYSCALL_64_after_hwframe+0x68/0xd2 RIP: 0033:0x7ffac327de69 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:00007ffac3f84078 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 RAX: ffffffffffffffda RBX: 00007ffac33abf80 RCX: 00007ffac327de69 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00007ffac32ca47a R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007ffac33abf80 R15: 00007ffc88784028 ---------------- Code disassembly (best guess): 0: 2b 00 sub (%rax),%eax 2: 74 08 je 0xc 4: 4c 89 f7 mov %r14,%rdi 7: e8 6f 9f 77 00 call 0x779f7b c: f6 44 24 61 02 testb $0x2,0x61(%rsp) 11: 0f 85 84 01 00 00 jne 0x19b 17: 41 f7 c7 00 02 00 00 test $0x200,%r15d 1e: 74 01 je 0x21 20: fb sti 21: 48 c7 44 24 40 0e 36 movq $0x45e0360e,0x40(%rsp) 28: e0 45 * 2a: 4b c7 44 25 00 00 00 movq $0x0,0x0(%r13,%r12,1) <-- trapping instruction 31: 00 00 33: 43 c7 44 25 09 00 00 movl $0x0,0x9(%r13,%r12,1) 3a: 00 00 3c: 43 rex.XB 3d: c7 .byte 0xc7 3e: 44 rex.R 3f: 25 .byte 0x25