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charset="UTF-8" Hello, syzbot found the following issue on: HEAD commit: 192c0159402e Merge tag 'powerpc-7.0-1' of git://git.kernel.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=17b8cc02580000 kernel config: https://syzkaller.appspot.com/x/.config?x=22c34f040954bbd1 dashboard link: https://syzkaller.appspot.com/bug?extid=5b3b7e51dda1be027b7a compiler: gcc (Debian 14.2.0-19) 14.2.0, GNU ld (GNU Binutils for Debian) 2.44 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1316a15a580000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=14140ffa580000 Downloadable assets: disk image (non-bootable): https://storage.googleapis.com/syzbot-assets/d900f083ada3/non_bootable_disk-192c0159.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/d1c911c7a5b8/vmlinux-192c0159.xz kernel image: https://storage.googleapis.com/syzbot-assets/f9d4cfbb614a/bzImage-192c0159.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+5b3b7e51dda1be027b7a@syzkaller.appspotmail.com ------------[ cut here ]------------ sk->sk_forward_alloc WARNING: net/ipv4/af_inet.c:157 at inet_sock_destruct+0x653/0x800 net/ipv4/af_inet.c:157, CPU#0: ksoftirqd/0/15 Modules linked in: CPU: 0 UID: 0 PID: 15 Comm: ksoftirqd/0 Not tainted syzkaller #0 PREEMPT(full) Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 RIP: 0010:inet_sock_destruct+0x653/0x800 net/ipv4/af_inet.c:157 Code: b4 4f ff e9 06 fd ff ff e8 aa 25 10 f8 90 0f 0b 90 e9 35 fe ff ff e8 9c 25 10 f8 90 0f 0b 90 e9 c5 fe ff ff e8 8e 25 10 f8 90 <0f> 0b 90 e9 04 ff ff ff e8 80 25 10 f8 90 0f 0b 90 e9 65 fe ff ff RSP: 0018:ffffc90000127bb0 EFLAGS: 00010246 RAX: 0000000000000000 RBX: ffff888100796300 RCX: ffffffff89f71e97 RDX: ffff88801dec4900 RSI: ffffffff89f71f92 RDI: ffff88801dec4900 RBP: 0000000000000090 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000000090 R11: 00000000000075f9 R12: ffff888100796300 R13: ffff888100796390 R14: ffffffff81ed1d7d R15: 0000000000000004 FS: 0000000000000000(0000) GS:ffff8880d65b3000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffe39b75ff4 CR3: 000000000e396000 CR4: 0000000000352ef0 Call Trace: __sk_destruct+0x85/0xbb0 net/core/sock.c:2350 rcu_do_batch kernel/rcu/tree.c:2617 [inline] rcu_core+0x5a2/0x10d0 kernel/rcu/tree.c:2869 handle_softirqs+0x1ea/0x910 kernel/softirq.c:622 run_ksoftirqd kernel/softirq.c:1063 [inline] run_ksoftirqd+0x38/0x60 kernel/softirq.c:1055 smpboot_thread_fn+0x3d3/0xaa0 kernel/smpboot.c:160 kthread+0x370/0x450 kernel/kthread.c:467 ret_from_fork+0x754/0xd80 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 --- This report is generated by a bot. It may contain errors. See https://goo.gl/tpsmEJ for more information about syzbot. syzbot engineers can be reached at syzkaller@googlegroups.com. syzbot will keep track of this issue. See: https://goo.gl/tpsmEJ#status for how to communicate with syzbot. If the report is already addressed, let syzbot know by replying with: #syz fix: exact-commit-title If you want syzbot to run the reproducer, reply with: #syz test: git://repo/address.git branch-or-commit-hash If you attach or paste a git patch, syzbot will apply it before testing. If you want to overwrite report's subsystems, reply with: #syz set subsystems: new-subsystem (See the list of subsystem names on the web dashboard) If the report is a duplicate of another one, reply with: #syz dup: exact-subject-of-another-report If you want to undo deduplication, reply with: #syz undup