general protection fault in hci_uart_tty

Date	Name	Commit	Repro	Result
2023/09/03	linux-6.1.y (ToT)	c2cbfe5f5122	C	[report] general protection fault in hci_uart_tty_ioctl
2023/06/04	upstream (ToT)	e5282a7d8f6b	C	[report] general protection fault in hci_uart_tty_ioctl
2023/09/03	upstream (ToT)	92901222f83d	C	Didn't crash

Kernel	Title	Repro	Cause bisect	Fix bisect	Count	Last	Reported	Patched	Status
linux-5.15	general protection fault in hci_uart_tty_ioctl origin:upstream missing-backport	C		done	1	342d	542d	0/3	auto-obsoleted due to no activity on 2024/10/03 16:45
upstream	general protection fault in hci_uart_tty_ioctl bluetooth	C	error	done	4	450d	828d	0/28	auto-obsoleted due to no activity on 2023/12/07 13:40
android-54	general protection fault in hci_uart_tty_ioctl	C			2	860d	860d	0/2	auto-obsoleted due to no activity on 2023/04/19 15:38

linux-5.15

general protection fault in hci_uart_tty_ioctl origin:upstream missing-backport

done

342d

542d

0/3

auto-obsoleted due to no activity on 2024/10/03 16:45

upstream

general protection fault in hci_uart_tty_ioctl bluetooth

error

done

450d

828d

0/28

auto-obsoleted due to no activity on 2023/12/07 13:40

android-54

general protection fault in hci_uart_tty_ioctl

860d

0/2

auto-obsoleted due to no activity on 2023/04/19 15:38

Created	Duration	User	Patch	Repo	Result
2023/09/16 11:52	6h27m	fix candidate		upstream	OK (1) job log
2023/07/08 05:20	3h27m	bisect fix		linux-6.1.y	OK (0) job log log

Created

Duration

User

Patch

Repo

Result

2023/09/16 11:52

6h27m

fix candidate

upstream

OK (1) job log

2023/07/08 05:20

3h27m

bisect fix

linux-6.1.y

OK (0) job log log

general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] PREEMPT SMP KASAN KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007] CPU: 0 PID: 3680 Comm: syz-executor252 Not tainted 6.1.31-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/25/2023 RIP: 0010:hci_uart_tty_ioctl+0x2a0/0xa20 drivers/bluetooth/hci_ldisc.c:774 Code: e9 f9 49 81 c4 b8 00 00 00 4c 89 e0 48 c1 e8 03 42 80 3c 28 00 74 08 4c 89 e7 e8 5b 7d 3f fa 49 8b 1c 24 48 89 d8 48 c1 e8 03 <42> 0f b6 04 28 84 c0 0f 85 65 06 00 00 8b 2b e9 39 07 00 00 e8 07 RSP: 0018:ffffc90003d2fe40 EFLAGS: 00010246 RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffff88801e63bb80 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 RBP: ffff8880778165f8 R08: ffffffff87a09ee0 R09: ffffed1003f1d584 R10: 0000000000000000 R11: dffffc0000000001 R12: ffff88801f8eacb8 R13: dffffc0000000000 R14: ffff888077816000 R15: 0000000000000000 FS: 00007fe2460cc700(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fe246190ae8 CR3: 000000001e5f5000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: <TASK> tty_ioctl+0x88e/0xbd0 drivers/tty/tty_io.c:2782 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:870 [inline] __se_sys_ioctl+0xf1/0x160 fs/ioctl.c:856 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fe24613b8c9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 15 00 00 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 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fe2460cc318 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007fe2461c33f8 RCX: 00007fe24613b8c9 RDX: 0000000000000000 RSI: 00000000800455c9 RDI: 0000000000000003 RBP: 00007fe2461c33f0 R08: 00007fe2460cc700 R09: 0000000000000000 R10: 00007fe2460cc700 R11: 0000000000000246 R12: 6d74702f7665642f R13: 00007ffffe681b5f R14: 00007fe2460cc400 R15: 0000000000022000 </TASK> Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:hci_uart_tty_ioctl+0x2a0/0xa20 drivers/bluetooth/hci_ldisc.c:774 Code: e9 f9 49 81 c4 b8 00 00 00 4c 89 e0 48 c1 e8 03 42 80 3c 28 00 74 08 4c 89 e7 e8 5b 7d 3f fa 49 8b 1c 24 48 89 d8 48 c1 e8 03 <42> 0f b6 04 28 84 c0 0f 85 65 06 00 00 8b 2b e9 39 07 00 00 e8 07 RSP: 0018:ffffc90003d2fe40 EFLAGS: 00010246 RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffff88801e63bb80 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 RBP: ffff8880778165f8 R08: ffffffff87a09ee0 R09: ffffed1003f1d584 R10: 0000000000000000 R11: dffffc0000000001 R12: ffff88801f8eacb8 R13: dffffc0000000000 R14: ffff888077816000 R15: 0000000000000000 FS: 00007fe2460cc700(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fe24617ca70 CR3: 000000001e5f5000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: e9 f9 49 81 c4 jmpq 0xc48149fe 5: b8 00 00 00 4c mov $0x4c000000,%eax a: 89 e0 mov %esp,%eax c: 48 c1 e8 03 shr $0x3,%rax 10: 42 80 3c 28 00 cmpb $0x0,(%rax,%r13,1) 15: 74 08 je 0x1f 17: 4c 89 e7 mov %r12,%rdi 1a: e8 5b 7d 3f fa callq 0xfa3f7d7a 1f: 49 8b 1c 24 mov (%r12),%rbx 23: 48 89 d8 mov %rbx,%rax 26: 48 c1 e8 03 shr $0x3,%rax * 2a: 42 0f b6 04 28 movzbl (%rax,%r13,1),%eax <-- trapping instruction 2f: 84 c0 test %al,%al 31: 0f 85 65 06 00 00 jne 0x69c 37: 8b 2b mov (%rbx),%ebp 39: e9 39 07 00 00 jmpq 0x777 3e: e8 .byte 0xe8 3f: 07 (bad)

Crashes (1):
Time	Kernel	Commit	Syzkaller	Config	Log	Report	Syz repro	C repro	VM info	Assets (help?)	Manager	Title
2023/06/04 06:24	linux-6.1.y	d2869ace6eeb	a4ae4f42	.config	console log	report	syz	C		[disk image] [vmlinux] [kernel image]	ci2-linux-6-1-kasan	general protection fault in hci_uart_tty_ioctl

Crashes (1):

Assets (help?)