general protection fault in filp

Kernel	Title	Repro	Cause bisect	Count	Last	Reported	Patched	Status
upstream	general protection fault in filp_close fs			2	1532d	1546d	0/28	auto-closed as invalid on 2020/12/22 12:29
upstream	KASAN: use-after-free Read in filp_close io-uring fs	C	done	17	689d	918d	22/28	fixed on 2023/02/24 13:50
android-54	KASAN: use-after-free Read in filp_close	C		3	1217d	1422d	0/2	auto-obsoleted due to no activity on 2023/04/21 02:05
upstream	KASAN: null-ptr-deref Read in filp_close (2) fs	C		3	1239d	1348d	20/28	fixed on 2021/11/10 13:22

general protection fault, probably for non-canonical address 0xdffffc000000000f: 0000 [#1] PREEMPT SMP KASAN KASAN: null-ptr-deref in range [0x0000000000000078-0x000000000000007f] CPU: 1 PID: 12415 Comm: syz-executor.4 Not tainted 5.10.161-syzkaller-00019-g416c4356f372 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023 RIP: 0010:filp_close+0x8c/0x150 fs/open.c:1318 Code: 00 49 8d 5c 24 28 48 89 d8 48 c1 e8 03 42 80 3c 28 00 74 08 48 89 df e8 92 ef f8 ff 48 8b 1b 48 83 c3 78 48 89 d8 48 c1 e8 03 <42> 80 3c 28 00 74 08 48 89 df e8 75 ef f8 ff 48 8b 1b 48 85 db 74 RSP: 0018:ffffc900095a7e78 EFLAGS: 00010206 RAX: 000000000000000f RBX: 0000000000000078 RCX: 0000000000000000 RDX: ffff88816329bb40 RSI: 0100000000000000 RDI: 0000000000000000 RBP: ffffc900095a7ea0 R08: ffffffff81ae33ca R09: ffffed1022f01281 R10: ffffed1022f01281 R11: 1ffff11022f0127f R12: ffff8881178093c1 R13: dffffc0000000000 R14: ffff88810c52d6c0 R15: 0000000000000000 FS: 0000555555b7e400(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b33224000 CR3: 00000001107ab000 CR4: 00000000003506a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __close_fd+0x224/0x290 fs/file.c:700 __do_sys_close fs/open.c:1338 [inline] __se_sys_close fs/open.c:1336 [inline] __x64_sys_close+0x69/0xc0 fs/open.c:1336 do_syscall_64+0x34/0x70 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x61/0xc6 RIP: 0033:0x7fa4c2334fab Code: 0f 05 48 3d 00 f0 ff ff 77 45 c3 0f 1f 40 00 48 83 ec 18 89 7c 24 0c e8 63 fc ff ff 8b 7c 24 0c 41 89 c0 b8 03 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 35 44 89 c7 89 44 24 0c e8 a1 fc ff ff 8b 44 RSP: 002b:00007ffc6a2e7020 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007fa4c2334fab RDX: ffffffffffffffb8 RSI: ffffffffffffffff RDI: 000000000000000f RBP: 00007fa4c24a4980 R08: 0000000000000000 R09: 00007fa4c1ef7000 R10: 00007fa4c1efc890 R11: 0000000000000293 R12: 00000000002db143 R13: 00007ffc6a2e7120 R14: 00007fa4c24a2f80 R15: 0000000000000032 Modules linked in: ---[ end trace 1b3ce02005301fa9 ]--- RIP: 0010:filp_close+0x8c/0x150 fs/open.c:1318 Code: 00 49 8d 5c 24 28 48 89 d8 48 c1 e8 03 42 80 3c 28 00 74 08 48 89 df e8 92 ef f8 ff 48 8b 1b 48 83 c3 78 48 89 d8 48 c1 e8 03 <42> 80 3c 28 00 74 08 48 89 df e8 75 ef f8 ff 48 8b 1b 48 85 db 74 RSP: 0018:ffffc900095a7e78 EFLAGS: 00010206 RAX: 000000000000000f RBX: 0000000000000078 RCX: 0000000000000000 RDX: ffff88816329bb40 RSI: 0100000000000000 RDI: 0000000000000000 RBP: ffffc900095a7ea0 R08: ffffffff81ae33ca R09: ffffed1022f01281 R10: ffffed1022f01281 R11: 1ffff11022f0127f R12: ffff8881178093c1 R13: dffffc0000000000 R14: ffff88810c52d6c0 R15: 0000000000000000 FS: 0000555555b7e400(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fe643d98000 CR3: 00000001107ab000 CR4: 00000000003506b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: 00 49 8d add %cl,-0x73(%rcx) 3: 5c pop %rsp 4: 24 28 and $0x28,%al 6: 48 89 d8 mov %rbx,%rax 9: 48 c1 e8 03 shr $0x3,%rax d: 42 80 3c 28 00 cmpb $0x0,(%rax,%r13,1) 12: 74 08 je 0x1c 14: 48 89 df mov %rbx,%rdi 17: e8 92 ef f8 ff callq 0xfff8efae 1c: 48 8b 1b mov (%rbx),%rbx 1f: 48 83 c3 78 add $0x78,%rbx 23: 48 89 d8 mov %rbx,%rax 26: 48 c1 e8 03 shr $0x3,%rax * 2a: 42 80 3c 28 00 cmpb $0x0,(%rax,%r13,1) <-- trapping instruction 2f: 74 08 je 0x39 31: 48 89 df mov %rbx,%rdi 34: e8 75 ef f8 ff callq 0xfff8efae 39: 48 8b 1b mov (%rbx),%rbx 3c: 48 85 db test %rbx,%rbx 3f: 74 .byte 0x74