general protection fault, probably for non-canonical address 0xdffffc0000000002: 0000 [#1] PREEMPT SMP KASAN KASAN: null-ptr-deref in range [0x0000000000000010-0x0000000000000017] CPU: 1 PID: 8895 Comm: syz-executor.3 Not tainted 5.9.0-rc1-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:__sock_release+0xbb/0x280 net/socket.c:596 Code: ff df 48 c1 ea 03 80 3c 02 00 0f 85 a5 01 00 00 48 b8 00 00 00 00 00 fc ff df 4c 8b 63 20 49 8d 7c 24 10 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 8e 01 00 00 48 89 df 41 ff 54 24 10 48 8d 7b 18 RSP: 0018:ffffc90015b2fe28 EFLAGS: 00010202 RAX: dffffc0000000000 RBX: ffff8880411d5540 RCX: 1ffff92002b65f67 RDX: 0000000000000002 RSI: 0000000000000004 RDI: 0000000000000010 RBP: ffff8880411d56e0 R08: ffff8880411d56e0 R09: ffff8880411d56f3 R10: ffffed100823aade R11: 0000000000000000 R12: 0000000000000000 R13: ffff8880411d5560 R14: 0000000000000000 R15: ffff88802aa80950 FS: 00007ffbdbf44700(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffbdbf22db8 CR3: 000000004dfdd000 CR4: 00000000001506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: sock_close+0x18/0x20 net/socket.c:1277 __fput+0x285/0x920 fs/file_table.c:281 task_work_run+0xdd/0x190 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+0x195/0x1c0 kernel/entry/common.c:167 syscall_exit_to_user_mode+0x59/0x2b0 kernel/entry/common.c:242 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x45d5b9 Code: 5d b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 2b b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007ffbdbf43c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000e9 RAX: 0000000000000000 RBX: 0000000000002ac0 RCX: 000000000045d5b9 RDX: 0000000000000006 RSI: 0000000000000001 RDI: 0000000000000004 RBP: 000000000118cf88 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000020000040 R11: 0000000000000246 R12: 000000000118cf4c R13: 00007ffcbbfecb0f R14: 00007ffbdbf449c0 R15: 000000000118cf4c Modules linked in: ---[ end trace 25ce549f5e43c9fa ]--- RIP: 0010:__sock_release+0xbb/0x280 net/socket.c:596 Code: ff df 48 c1 ea 03 80 3c 02 00 0f 85 a5 01 00 00 48 b8 00 00 00 00 00 fc ff df 4c 8b 63 20 49 8d 7c 24 10 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 8e 01 00 00 48 89 df 41 ff 54 24 10 48 8d 7b 18 RSP: 0018:ffffc90015b2fe28 EFLAGS: 00010202 RAX: dffffc0000000000 RBX: ffff8880411d5540 RCX: 1ffff92002b65f67 RDX: 0000000000000002 RSI: 0000000000000004 RDI: 0000000000000010 RBP: ffff8880411d56e0 R08: ffff8880411d56e0 R09: ffff8880411d56f3 R10: ffffed100823aade R11: 0000000000000000 R12: 0000000000000000 R13: ffff8880411d5560 R14: 0000000000000000 R15: ffff88802aa80950 FS: 00007ffbdbf44700(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000000052c538 CR3: 000000004dfdd000 CR4: 00000000001506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400