general protection fault in hci_uart_tty

Kernel	Title	Repro	Cause bisect	Fix bisect	Count	Last	Reported	Patched	Status
linux-6.1	general protection fault in hci_uart_tty_ioctl origin:upstream missing-backport	C		done	1	480d	571d	0/3	upstream: reported C repro on 2023/06/04 06:24
linux-5.15	general protection fault in hci_uart_tty_ioctl origin:upstream missing-backport	C		done	1	377d	577d	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	485d	863d	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	895d	895d	0/2	auto-obsoleted due to no activity on 2023/04/19 15:38

linux-6.1

general protection fault in hci_uart_tty_ioctl origin:upstream missing-backport

done

480d

571d

0/3

upstream: reported C repro on 2023/06/04 06:24

linux-5.15

general protection fault in hci_uart_tty_ioctl origin:upstream missing-backport

done

377d

577d

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

485d

863d

0/28

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

android-54

general protection fault in hci_uart_tty_ioctl

895d

0/2

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


Created	Duration	User	Repo	Result
2024/11/15 19:33	11m	retest repro	android12-5.4	OK log
2024/09/06 05:23	11m	retest repro	android12-5.4	report log
2024/06/28 04:45	29m	retest repro	android12-5.4	report log
2024/04/19 02:20	38m	retest repro	android12-5.4	report log
2024/02/09 02:02	11m	retest repro	android12-5.4	report log
2023/12/01 01:39	23m	retest repro	android12-5.4	report log
2023/09/22 00:34	10m	retest repro	android12-5.4	report log
2023/07/13 23:56	27m	retest repro	android12-5.4	report log

kasan: CONFIG_KASAN_INLINE enabled kasan: GPF could be caused by NULL-ptr deref or user memory access general protection fault: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 686 Comm: syz-executor.1 Not tainted 5.4.233-syzkaller-00022-gcf4e000017b8 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/14/2023 RIP: 0010:hci_uart_tty_ioctl+0x32b/0xa40 drivers/bluetooth/hci_ldisc.c:769 Code: fe 4c 89 f3 48 81 c3 88 00 00 00 48 89 d8 48 c1 e8 03 80 3c 28 00 74 08 48 89 df e8 7f 61 6d fe 48 8b 1b 48 89 d8 48 c1 e8 03 <0f> b6 04 28 84 c0 0f 85 66 06 00 00 8b 2b 89 e8 48 83 c4 30 5b 41 RSP: 0018:ffff8881e9f57c10 EFLAGS: 00010246 RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffff8881ea2faf40 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 RBP: dffffc0000000000 R08: ffffffff83267419 R09: ffffed103d47a084 R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000 R13: ffff8881e9cdb800 R14: ffff8881ea3d0400 R15: 00000000800455c9 FS: 00007fc4cab1f700(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055f4ae87e0a8 CR3: 00000001ea2eb000 CR4: 00000000003406a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: tty_ioctl+0x954/0xcb0 drivers/tty/tty_io.c:2666 do_vfs_ioctl+0x742/0x1720 fs/ioctl.c:47 ksys_ioctl fs/ioctl.c:742 [inline] __do_sys_ioctl fs/ioctl.c:749 [inline] __se_sys_ioctl fs/ioctl.c:747 [inline] __x64_sys_ioctl+0xd4/0x110 fs/ioctl.c:747 do_syscall_64+0xca/0x1c0 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x5c/0xc1 Modules linked in: ---[ end trace 03daceeeec010a9d ]--- RIP: 0010:hci_uart_tty_ioctl+0x32b/0xa40 drivers/bluetooth/hci_ldisc.c:769 Code: fe 4c 89 f3 48 81 c3 88 00 00 00 48 89 d8 48 c1 e8 03 80 3c 28 00 74 08 48 89 df e8 7f 61 6d fe 48 8b 1b 48 89 d8 48 c1 e8 03 <0f> b6 04 28 84 c0 0f 85 66 06 00 00 8b 2b 89 e8 48 83 c4 30 5b 41 RSP: 0018:ffff8881e9f57c10 EFLAGS: 00010246 RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffff8881ea2faf40 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 RBP: dffffc0000000000 R08: ffffffff83267419 R09: ffffed103d47a084 R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000 R13: ffff8881e9cdb800 R14: ffff8881ea3d0400 R15: 00000000800455c9 FS: 00007fc4cab1f700(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055f4ae87e0a8 CR3: 00000001ea2eb000 CR4: 00000000003406a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: fe 4c 89 f3 decb -0xd(%rcx,%rcx,4) 4: 48 81 c3 88 00 00 00 add $0x88,%rbx b: 48 89 d8 mov %rbx,%rax e: 48 c1 e8 03 shr $0x3,%rax 12: 80 3c 28 00 cmpb $0x0,(%rax,%rbp,1) 16: 74 08 je 0x20 18: 48 89 df mov %rbx,%rdi 1b: e8 7f 61 6d fe callq 0xfe6d619f 20: 48 8b 1b mov (%rbx),%rbx 23: 48 89 d8 mov %rbx,%rax 26: 48 c1 e8 03 shr $0x3,%rax * 2a: 0f b6 04 28 movzbl (%rax,%rbp,1),%eax <-- trapping instruction 2e: 84 c0 test %al,%al 30: 0f 85 66 06 00 00 jne 0x69c 36: 8b 2b mov (%rbx),%ebp 38: 89 e8 mov %ebp,%eax 3a: 48 83 c4 30 add $0x30,%rsp 3e: 5b pop %rbx 3f: 41 rex.B

Crashes (2):
Time	Kernel	Commit	Syzkaller	Config	Log	Report	Syz repro	C repro	VM info	Assets (help?)	Manager	Title
2023/05/04 22:46	android12-5.4	cf4e000017b8	518a39a6	.config	console log	report	syz			[disk image] [vmlinux] [kernel image]	ci2-android-5-4-kasan	general protection fault in hci_uart_tty_ioctl
2023/05/04 20:41	android12-5.4	cf4e000017b8	518a39a6	.config	console log	report			info	[disk image] [vmlinux] [kernel image]	ci2-android-5-4-kasan	general protection fault in hci_uart_tty_ioctl

Crashes (2):

Assets (help?)