------------[ cut here ]------------ kernel BUG at fs/inode.c:1668! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 8236 Comm: syz-executor.1 Not tainted 5.9.0-rc2-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:iput+0x6d8/0x6e0 fs/inode.c:1668 Code: ef ff e9 1a fc ff ff 44 89 e9 80 e1 07 80 c1 03 38 c1 0f 8c c8 fe ff ff 4c 89 ef e8 62 53 ef ff e9 bb fe ff ff e8 48 7b af ff <0f> 0b 66 0f 1f 44 00 00 55 41 57 41 56 53 48 89 f5 48 89 fb 49 bf RSP: 0018:ffffc90009fa7da8 EFLAGS: 00010293 RAX: ffffffff81c580d8 RBX: ffff888089546600 RCX: ffff88809e2ae1c0 RDX: 0000000000000000 RSI: 0000000000000040 RDI: 0000000000000000 RBP: 0000000000000040 R08: ffffffff81c57a60 R09: fffffbfff12a7bd5 R10: fffffbfff12a7bd5 R11: 0000000000000000 R12: 1ffff110112a8cac R13: dffffc0000000000 R14: ffff888089546600 R15: ffff888089546560 FS: 0000000001912940(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000016a8660 CR3: 0000000096606000 CR4: 00000000001506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __sock_release net/socket.c:608 [inline] sock_close+0x1c3/0x260 net/socket.c:1277 __fput+0x34f/0x7b0 fs/file_table.c:281 task_work_run+0x137/0x1c0 kernel/task_work.c:141 tracehook_notify_resume include/linux/tracehook.h:188 [inline] exit_to_user_mode_loop kernel/entry/common.c:140 [inline] exit_to_user_mode_prepare+0x11a/0x1e0 kernel/entry/common.c:167 syscall_exit_to_user_mode+0x82/0x1d0 kernel/entry/common.c:242 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x416f01 Code: 75 14 b8 03 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 04 1b 00 00 c3 48 83 ec 08 e8 0a fc ff ff 48 89 04 24 b8 03 00 00 00 0f 05 <48> 8b 3c 24 48 89 c2 e8 53 fc ff ff 48 89 d0 48 83 c4 08 48 3d 01 RSP: 002b:00007ffc100d5610 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 RAX: 0000000000000000 RBX: 0000000000000004 RCX: 0000000000416f01 RDX: 0000000000000001 RSI: 00000000011903c0 RDI: 0000000000000003 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 00007ffc100d5700 R11: 0000000000000293 R12: 00000000011903c0 R13: 000000000000d557 R14: ffffffffffffffff R15: 000000000118cfec Modules linked in: ---[ end trace dfad8d347e7007d4 ]--- RIP: 0010:iput+0x6d8/0x6e0 fs/inode.c:1668 Code: ef ff e9 1a fc ff ff 44 89 e9 80 e1 07 80 c1 03 38 c1 0f 8c c8 fe ff ff 4c 89 ef e8 62 53 ef ff e9 bb fe ff ff e8 48 7b af ff <0f> 0b 66 0f 1f 44 00 00 55 41 57 41 56 53 48 89 f5 48 89 fb 49 bf RSP: 0018:ffffc90009fa7da8 EFLAGS: 00010293 RAX: ffffffff81c580d8 RBX: ffff888089546600 RCX: ffff88809e2ae1c0 RDX: 0000000000000000 RSI: 0000000000000040 RDI: 0000000000000000 RBP: 0000000000000040 R08: ffffffff81c57a60 R09: fffffbfff12a7bd5 R10: fffffbfff12a7bd5 R11: 0000000000000000 R12: 1ffff110112a8cac R13: dffffc0000000000 R14: ffff888089546600 R15: ffff888089546560 FS: 0000000001912940(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffedc2d4630 CR3: 0000000096606000 CR4: 00000000001506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400