------------[ cut here ]------------ WARNING: CPU: 1 PID: 16976 at kernel/workqueue.c:2259 __queue_work+0xcd3/0xf50 kernel/workqueue.c:2258 Modules linked in: CPU: 1 UID: 0 PID: 16976 Comm: syz.2.3074 Not tainted 6.11.0-rc1-syzkaller-00261-geec9de035410 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 RIP: 0010:__queue_work+0xcd3/0xf50 kernel/workqueue.c:2258 Code: ff e8 11 84 36 00 90 0f 0b 90 e9 1e fd ff ff e8 03 84 36 00 eb 13 e8 fc 83 36 00 eb 0c e8 f5 83 36 00 eb 05 e8 ee 83 36 00 90 <0f> 0b 90 48 83 c4 60 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc RSP: 0018:ffffc900047ff6a8 EFLAGS: 00010093 RAX: ffffffff815ce274 RBX: ffff8880273e9e00 RCX: ffff8880273e9e00 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000000 R08: ffffffff815cd6d4 R09: 0000000000000000 R10: ffffc900047ff780 R11: fffff520008ffef1 R12: ffff88802b023800 R13: ffff88802b0239c0 R14: dffffc0000000000 R15: 0000000000000008 FS: 0000000000000000(0000) GS:ffff8880b9300000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2da0fff8 CR3: 0000000059eb4000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: queue_work_on+0x1c2/0x380 kernel/workqueue.c:2392 l2tp_udp_encap_destroy+0x2a/0x40 net/l2tp/l2tp_core.c:1312 udpv6_destroy_sock+0x19e/0x240 net/ipv6/udp.c:1683 sk_common_release+0x72/0x320 net/core/sock.c:3742 inet_release+0x17d/0x200 net/ipv4/af_inet.c:437 __sock_release net/socket.c:659 [inline] sock_close+0xbc/0x240 net/socket.c:1421 __fput+0x24a/0x8a0 fs/file_table.c:422 task_work_run+0x24f/0x310 kernel/task_work.c:228 exit_task_work include/linux/task_work.h:40 [inline] do_exit+0xa2f/0x27f0 kernel/exit.c:882 do_group_exit+0x207/0x2c0 kernel/exit.c:1031 get_signal+0x16a1/0x1740 kernel/signal.c:2917 arch_do_signal_or_restart+0x96/0x860 arch/x86/kernel/signal.c:310 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+0xc9/0x370 kernel/entry/common.c:218 do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f25f85779f9 Code: Unable to access opcode bytes at 0x7f25f85779cf. RSP: 002b:00007f25f934f0f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: fffffffffffffe00 RBX: 00007f25f8706060 RCX: 00007f25f85779f9 RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f25f8706060 RBP: 00007f25f8706058 R08: 00007f25f934f6c0 R09: 00007f25f934f6c0 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f25f8706064 R13: 000000000000004d R14: 00007fff6134e570 R15: 00007fff6134e658