Hello, syzbot found the following issue on: HEAD commit: e3cb714fb489 Merge branch 'for-next/core' into for-kernelci git tree: git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci console output: https://syzkaller.appspot.com/x/log.txt?x=13d5c11d880000 kernel config: https://syzkaller.appspot.com/x/.config?x=ec7118319bfb771e dashboard link: https://syzkaller.appspot.com/bug?extid=09329bd987ebca21bced compiler: Debian clang version 13.0.1-++20220126092033+75e33f71c2da-1~exp1~20220126212112.63, GNU ld (GNU Binutils for Debian) 2.35.2 userspace arch: arm64 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=145daef3880000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=1313d497880000 Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/832eb1866f2c/disk-e3cb714f.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/5fd572b7d96d/vmlinux-e3cb714f.xz kernel image: https://storage.googleapis.com/syzbot-assets/34c82908beda/Image-e3cb714f.gz.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+09329bd987ebca21bced@xxxxxxxxxxxxxxxxxxxxxxxxx x8 : 0000000000040574 x7 : ffff80000b22f58c x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000001 x3 : 0000000000000000 x2 : 0000000000000002 x1 : ffff0000c60f3eb8 x0 : ffff0000c60f3480 Kernel panic - not syncing: kernel stack overflow CPU: 1 PID: 3074 Comm: syz-executor169 Not tainted 6.1.0-rc7-syzkaller-33097-ge3cb714fb489 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/30/2022 Call trace: dump_backtrace+0x1c4/0x1f0 arch/arm64/kernel/stacktrace.c:156 show_stack+0x2c/0x54 arch/arm64/kernel/stacktrace.c:163 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x104/0x16c lib/dump_stack.c:106 dump_stack+0x1c/0x58 lib/dump_stack.c:113 panic+0x218/0x508 kernel/panic.c:274 nmi_panic+0xbc/0xf0 kernel/panic.c:169 panic_bad_stack+0x134/0x154 arch/arm64/kernel/traps.c:886 handle_bad_stack+0x34/0x48 arch/arm64/kernel/entry-common.c:849 __bad_stack+0x78/0x7c arch/arm64/kernel/entry.S:552 mark_lock+0x4/0x1b4 kernel/locking/lockdep.c:4595 lock_acquire+0x100/0x1f8 kernel/locking/lockdep.c:5668 __raw_spin_lock_bh include/linux/spinlock_api_smp.h:126 [inline] _raw_spin_lock_bh+0x54/0x6c kernel/locking/spinlock.c:178 spin_lock_bh include/linux/spinlock.h:355 [inline] lock_sock_nested+0x88/0xd8 net/core/sock.c:3450 lock_sock include/net/sock.h:1721 [inline] sock_map_close+0x30/0x4bc net/core/sock_map.c:1610 sock_map_close+0x400/0x4bc sock_map_close+0x400/0x4bc sock_map_close+0x400/0x4bc sock_map_close+0x400/0x4bc sock_map_close+0x400/0x4bc sock_map_close+0x400/0x4bc sock_map_close+0x400/0x4bc sock_map_close+0x400/0x4bc sock_map_close+0x400/0x4bc sock_map_close+0x400/0x4bc sock_map_close+0x400/0x4bc sock_map_close+0x400/0x4bc sock_map_close+0x400/0x4bc sock_map_close+0x400/0x4bc sock_map_close+0x400/0x4bc 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sock_map_close+0x400/0x4bc sock_map_close+0x400/0x4bc sock_map_close+0x400/0x4bc sock_map_close+0x400/0x4bc sock_map_close+0x400/0x4bc sock_map_close+0x400/0x4bc sock_map_close+0x400/0x4bc sock_map_close+0x400/0x4bc sock_map_close+0x400/0x4bc sock_map_close+0x400/0x4bc sock_map_close+0x400/0x4bc sock_map_close+0x400/0x4bc sock_map_close+0x400/0x4bc sock_map_close+0x400/0x4bc sock_map_close+0x400/0x4bc sock_map_close+0x400/0x4bc sock_map_close+0x400/0x4bc sock_map_close+0x400/0x4bc sock_map_close+0x400/0x4bc sock_map_close+0x400/0x4bc sock_map_close+0x400/0x4bc sock_map_close+0x400/0x4bc sock_map_close+0x400/0x4bc sock_map_close+0x400/0x4bc sock_map_close+0x400/0x4bc inet_release+0xc8/0xe4 net/ipv4/af_inet.c:428 inet6_release+0x3c/0x58 net/ipv6/af_inet6.c:488 __sock_release net/socket.c:650 [inline] sock_close+0x50/0xf0 net/socket.c:1365 __fput+0x198/0x3e4 fs/file_table.c:320 ____fput+0x20/0x30 fs/file_table.c:348 task_work_run+0x100/0x148 kernel/task_work.c:179 exit_task_work include/linux/task_work.h:38 [inline] do_exit+0x2dc/0xcac kernel/exit.c:820 do_group_exit+0x98/0xcc kernel/exit.c:950 get_signal+0xabc/0xb2c kernel/signal.c:2858 do_signal+0x128/0x438 arch/arm64/kernel/signal.c:1076 do_notify_resume+0xc0/0x1f0 arch/arm64/kernel/signal.c:1129 prepare_exit_to_user_mode arch/arm64/kernel/entry-common.c:137 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:142 [inline] el0_svc+0x9c/0x150 arch/arm64/kernel/entry-common.c:638 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:584 SMP: stopping secondary CPUs Kernel Offset: disabled CPU features: 0x00000,040e0108,4c017203 Memory Limit: none --- 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@xxxxxxxxxxxxxxxx. syzbot will keep track of this issue. See: https://goo.gl/tpsmEJ#status for how to communicate with syzbot. syzbot can test patches for this issue, for details see: https://goo.gl/tpsmEJ#testing-patches
