------------[ cut here ]------------ WARNING: CPU: 1 PID: 8016 at net/ipv4/af_inet.c:154 inet_sock_destruct+0x6e7/0x7f0 Modules linked in: CPU: 1 PID: 8016 Comm: syz.3.856 Not tainted 6.1.129-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 RIP: 0010:inet_sock_destruct+0x6e7/0x7f0 net/ipv4/af_inet.c:154 Code: ff ff e8 2c 68 49 f8 0f 0b e9 21 fe ff ff e8 20 68 49 f8 0f 0b 41 80 3c 2c 00 0f 85 4c fe ff ff e9 4f fe ff ff e8 09 68 49 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:ffffc900001e0b30 EFLAGS: 00010246 RAX: ffffffff89412ec7 RBX: 0000000000000fff RCX: ffff88807e7bbb80 RDX: 0000000000000100 RSI: 0000000000000fff RDI: 0000000000000000 RBP: ffff888030bbd940 R08: ffffffff89412d7c R09: ffffed1006177b77 R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff11006177b2d R13: ffff888030bbde28 R14: ffff888030bbd968 R15: ffff888030bbd952 FS: 0000000000000000(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f61fa2de440 CR3: 000000007cc6f000 CR4: 00000000003526e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __sk_destruct+0x50/0x600 net/core/sock.c:2142 rcu_do_batch kernel/rcu/tree.c:2297 [inline] rcu_core+0xade/0x1820 kernel/rcu/tree.c:2557 handle_softirqs+0x2ee/0xa40 kernel/softirq.c:578 __do_softirq kernel/softirq.c:612 [inline] invoke_softirq kernel/softirq.c:452 [inline] __irq_exit_rcu+0x157/0x240 kernel/softirq.c:661 irq_exit_rcu+0x5/0x20 kernel/softirq.c:673 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1118 [inline] sysvec_apic_timer_interrupt+0xa0/0xc0 arch/x86/kernel/apic/apic.c:1118 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:691 RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:152 [inline] RIP: 0010:_raw_spin_unlock_irqrestore+0xd4/0x130 kernel/locking/spinlock.c:194 Code: 9c 8f 44 24 20 42 80 3c 23 00 74 08 4c 89 f7 e8 12 93 26 f7 f6 44 24 21 02 75 4e 41 f7 c7 00 02 00 00 74 01 fb bf 01 00 00 00 07 2d a3 f6 65 8b 05 28 13 47 75 85 c0 74 3f 48 c7 04 24 0e 36 RSP: 0018:ffffc90003366f60 EFLAGS: 00000206 RAX: db4a98fb809cd500 RBX: 1ffff9200066cdf0 RCX: ffffffff816b145a RDX: dffffc0000000000 RSI: ffffffff8b0c1d40 RDI: 0000000000000001 RBP: ffffc90003366ff0 R08: dffffc0000000000 R09: fffffbfff2256c4d R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 R13: 1ffff9200066cdec R14: ffffc90003366f80 R15: 0000000000000246 free_unref_page_list+0x3d8/0x900 mm/page_alloc.c:3580 release_pages+0x24c4/0x27a0 mm/swap.c:1035 __pagevec_release+0x80/0xf0 mm/swap.c:1055 pagevec_release include/linux/pagevec.h:71 [inline] folio_batch_release include/linux/pagevec.h:135 [inline] shmem_undo_range+0x865/0x2390 mm/shmem.c:946 shmem_truncate_range mm/shmem.c:1062 [inline] shmem_evict_inode+0x265/0xa60 mm/shmem.c:1171 evict+0x529/0x930 fs/inode.c:705 __dentry_kill+0x436/0x650 fs/dcache.c:611 dentry_kill+0xbb/0x290 dput+0xfb/0x1d0 fs/dcache.c:918 __fput+0x62e/0x8d0 fs/file_table.c:328 task_work_run+0x246/0x300 kernel/task_work.c:203 exit_task_work include/linux/task_work.h:39 [inline] do_exit+0xa6e/0x26a0 kernel/exit.c:871 do_group_exit+0x202/0x2b0 kernel/exit.c:1021 get_signal+0x16cb/0x17a0 kernel/signal.c:2871 arch_do_signal_or_restart+0xb0/0x1a10 arch/x86/kernel/signal.c:871 exit_to_user_mode_loop+0x6a/0x100 kernel/entry/common.c:174 exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:210 __syscall_exit_to_user_mode_work kernel/entry/common.c:292 [inline] syscall_exit_to_user_mode+0x60/0x270 kernel/entry/common.c:303 do_syscall_64+0x47/0xb0 arch/x86/entry/common.c:87 entry_SYSCALL_64_after_hwframe+0x68/0xd2 RIP: 0033:0x7ffb4098d169 Code: Unable to access opcode bytes at 0x7ffb4098d13f. RSP: 002b:00007ffb4189d038 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 RAX: 000000000000000b RBX: 00007ffb40ba6080 RCX: 00007ffb4098d169 RDX: 0400000000000041 RSI: 0000400000000000 RDI: 0000000000000005 RBP: 00007ffb40a0e2a0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007ffb40ba6080 R15: 00007ffdfb41d918 ---------------- Code disassembly (best guess): 0: 9c pushf 1: 8f 44 24 20 pop 0x20(%rsp) 5: 42 80 3c 23 00 cmpb $0x0,(%rbx,%r12,1) a: 74 08 je 0x14 c: 4c 89 f7 mov %r14,%rdi f: e8 12 93 26 f7 call 0xf7269326 14: f6 44 24 21 02 testb $0x2,0x21(%rsp) 19: 75 4e jne 0x69 1b: 41 f7 c7 00 02 00 00 test $0x200,%r15d 22: 74 01 je 0x25 24: fb sti 25: bf 01 00 00 00 mov $0x1,%edi * 2a: e8 07 2d a3 f6 call 0xf6a32d36 <-- trapping instruction 2f: 65 8b 05 28 13 47 75 mov %gs:0x75471328(%rip),%eax # 0x7547135e 36: 85 c0 test %eax,%eax 38: 74 3f je 0x79 3a: 48 rex.W 3b: c7 .byte 0xc7 3c: 04 24 add $0x24,%al 3e: 0e (bad) 3f: 36 ss