BUG: unable to handle kernel paging request in do_syscall

Title	Repro	Cause bisect	Fix bisect	Count	Last	Reported
general protection fault in syscall_return_slowpath kernel	syz	inconclusive	done	1	1421d	1508d

syz

inconclusive

done

1421d

1508d

Kernel	Title	Repro	Cause bisect	Fix bisect	Count	Last	Reported	Patched	Status
linux-4.14	BUG: unable to handle kernel paging request in do_syscall_64				1	1444d	1444d	0/1	auto-closed as invalid on 2020/09/08 08:37
linux-4.19	BUG: unable to handle kernel paging request in do_syscall_64	C		done	3	973d	1492d	1/1	fixed on 2021/09/26 12:12

BUG: unable to handle page fault for address: fffffffffffffff0 #PF: supervisor write access in kernel mode #PF: error_code(0x0002) - not-present page PGD 927c067 P4D 927c067 PUD 927e067 PMD 0 Oops: 0002 [#1] PREEMPT SMP KASAN CPU: 1 PID: 19639 Comm: syz-executor.5 Not tainted 5.7.0-rc6-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:do_syscall_64+0xf3/0x1b0 arch/x86/entry/common.c:295 Code: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 <00> 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 RSP: 0018:ffffc90008687f28 EFLAGS: 00010293 RAX: fffffffffffffff0 RBX: ffffffff88600350 RCX: ffff888086b2c340 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000000 R08: ffffffff81c00e99 R09: ffffed10149cf358 R10: ffffed10149cf358 R11: 0000000000000000 R12: 0000000000000010 R13: dffffc0000000000 R14: ffffc90008687f58 R15: 0000000000000000 FS: 00007f1dc3f39700(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: fffffffffffffff0 CR3: 000000009180f000 CR4: 00000000001426e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: entry_SYSCALL_64_after_hwframe+0x49/0xb3 RIP: 0033:0x45c8f7 Code: 48 83 c4 08 48 89 d8 5b 5d c3 66 0f 1f 84 00 00 00 00 00 48 89 e8 48 f7 d8 48 39 c3 0f 92 c0 eb 92 66 90 b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 0d b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f1dc3f38a68 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f1dc3f396d4 RCX: 000000000045c8f7 RDX: 0000000000000003 RSI: 0000000000004c00 RDI: 0000000000000003 RBP: 000000000078bf00 R08: 0000000000000000 R09: 000000000000000a R10: 0000000000000075 R11: 0000000000000246 R12: 00000000ffffffff R13: 0000000000000bf9 R14: 0000000000000003 R15: 00007f1dc3f396d4 Modules linked in: CR2: fffffffffffffff0 ---[ end trace bdb1480476ded816 ]--- RIP: 0010:do_syscall_64+0xf3/0x1b0 arch/x86/entry/common.c:295 Code: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 <00> 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 RSP: 0018:ffffc90008687f28 EFLAGS: 00010293 RAX: fffffffffffffff0 RBX: ffffffff88600350 RCX: ffff888086b2c340 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000000 R08: ffffffff81c00e99 R09: ffffed10149cf358 R10: ffffed10149cf358 R11: 0000000000000000 R12: 0000000000000010 R13: dffffc0000000000 R14: ffffc90008687f58 R15: 0000000000000000 FS: 00007f1dc3f39700(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: fffffffffffffff0 CR3: 000000009180f000 CR4: 00000000001426e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400