TCP: out of memory -- consider tuning tcp_mem ------------[ cut here ]------------ WARNING: CPU: 1 PID: 4159 at net/ipv4/af_inet.c:157 inet_sock_destruct+0x681/0x790 net/ipv4/af_inet.c:157 Modules linked in: CPU: 1 UID: 0 PID: 4159 Comm: syz.3.1327 Not tainted 6.12.38-syzkaller-ge9bbc29c066a #0 23782410f292bc05d82a7d68d5e797d6f188417b Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 RIP: 0010:inet_sock_destruct+0x681/0x790 net/ipv4/af_inet.c:157 Code: a3 e8 e3 39 c8 fc 0f 0b e9 53 fe ff ff e8 d7 39 c8 fc 0f 0b e9 92 fe ff ff e8 cb 39 c8 fc 0f 0b e9 c4 fe ff ff e8 bf 39 c8 fc <0f> 0b e9 f6 fe ff ff 89 f9 80 e1 07 80 c1 03 38 c1 0f 8c 65 fc ff RSP: 0018:ffffc9000e09f7e8 EFLAGS: 00010293 RAX: ffffffff84bd9131 RBX: 0000000080003000 RCX: ffff88810d26df00 RDX: 0000000000000000 RSI: 0000000080003000 RDI: 0000000000000000 RBP: ffffc9000e09f830 R08: ffff888134f0db7f R09: 1ffff110269e1b6f R10: dffffc0000000000 R11: ffffed10269e1b70 R12: ffff888134f0da00 R13: ffff888134f0da00 R14: ffff888134f0db64 R15: 1ffff110269e1b42 FS: 0000000000000000(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffdec066e98 CR3: 0000000123798000 CR4: 00000000003526b0 Call Trace: __sk_destruct+0x6b/0x6a0 net/core/sock.c:2277 sk_destruct net/core/sock.c:2325 [inline] __sk_free+0x313/0x410 net/core/sock.c:2336 sk_free+0x58/0xb0 net/core/sock.c:2347 sock_put include/net/sock.h:1942 [inline] tcp_close+0xc4/0x120 net/ipv4/tcp.c:3246 inet_release+0x1b4/0x2c0 net/ipv4/af_inet.c:442 __sock_release net/socket.c:659 [inline] sock_close+0xdd/0x280 net/socket.c:1427 __fput+0x1fe/0xa00 fs/file_table.c:429 ____fput+0x20/0x30 fs/file_table.c:457 task_work_run+0x1e0/0x250 kernel/task_work.c:240 exit_task_work include/linux/task_work.h:43 [inline] do_exit+0x9bc/0x2630 kernel/exit.c:953 do_group_exit+0x22a/0x300 kernel/exit.c:1095 get_signal+0x139d/0x14f0 kernel/signal.c:2933 arch_do_signal_or_restart+0x96/0x720 arch/x86/kernel/signal.c:337 exit_to_user_mode_loop kernel/entry/common.c:111 [inline] exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline] __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline] syscall_exit_to_user_mode+0x58/0xb0 kernel/entry/common.c:218 do_syscall_64+0x64/0xf0 arch/x86/entry/common.c:89 entry_SYSCALL_64_after_hwframe+0x76/0x7e RIP: 0033:0x7fa73bd8e9a9 Code: Unable to access opcode bytes at 0x7fa73bd8e97f. RSP: 002b:00007fa73ccaa038 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 RAX: 0000000000000001 RBX: 00007fa73bfb5fa0 RCX: 00007fa73bd8e9a9 RDX: 0000000000000004 RSI: 0000200000000f40 RDI: 0000000000000006 RBP: 00007fa73be10d69 R08: 0000000000000000 R09: 0000000000000000 R10: 000000000404c881 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007fa73bfb5fa0 R15: 00007ffc4eaf2be8 ---[ end trace 0000000000000000 ]---