KASAN: use-after-free Read in mon_bin

Title	Replies (including bot)	Last reply
[PATCH 4.19 000/229] 4.19.262-rc1 review	242 (242)	2022/11/01 13:44
[PATCH 4.9 000/159] 4.9.331-rc1 review	165 (165)	2022/10/25 17:41
[PATCH 4.14 000/210] 4.14.296-rc1 review	213 (213)	2022/10/25 17:38
[PATCH 5.4 00/38] 5.4.218-rc1 review	45 (45)	2022/10/17 01:35
[PATCH 5.10 00/54] 5.10.148-rc1 review	64 (64)	2022/10/17 01:33
[PATCH 6.0 00/17] 6.0.1-rc1 review	34 (34)	2022/10/12 09:13
[PATCH 5.15 00/37] 5.15.73-rc1 review	46 (46)	2022/10/12 02:24
[PATCH 5.19 00/48] 5.19.15-rc1 review	54 (54)	2022/10/11 07:25
[PATCH] usb: mon: make mmapped memory read only	6 (6)	2022/09/19 21:59

Kernel	Title	Repro	Cause bisect	Fix bisect	Count	Last	Reported	Patched	Status
upstream	KASAN: use-after-free Read in mon_bin_flush usb	C	inconclusive	unreliable	15	635d	795d	0/28	auto-obsoleted due to no activity on 2023/06/25 03:47
android-5-15	KASAN: use-after-free Read in mon_bin_flush				1	769d	769d	0/2	auto-obsoleted due to no activity on 2023/01/14 11:53
android-54	general protection fault in mon_bin_flush	C			2	795d	797d	0/2	auto-obsoleted due to no activity on 2023/04/20 21:41

upstream

KASAN: use-after-free Read in mon_bin_flush usb

inconclusive

unreliable

635d

795d

0/28

auto-obsoleted due to no activity on 2023/06/25 03:47

android-5-15

KASAN: use-after-free Read in mon_bin_flush

769d

0/2

auto-obsoleted due to no activity on 2023/01/14 11:53

android-54

general protection fault in mon_bin_flush

795d

797d

0/2

auto-obsoleted due to no activity on 2023/04/20 21:41

Created	Duration	User	Patch	Repo	Result
2022/09/19 18:15	17m	tadeusz.struk@linaro.org	patch	android12-5.10-lts	OK log
2022/09/16 22:10	16m	tadeusz.struk@linaro.org	patch	git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master	OK log
2022/09/16 21:44	9m	tadeusz.struk@linaro.org		git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master	report log

Created

Duration

User

Patch

Repo

Result

2022/09/19 18:15

17m

tadeusz.struk@linaro.org

patch

android12-5.10-lts

OK log

2022/09/16 22:10

16m

tadeusz.struk@linaro.org

patch

git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master

OK log

2022/09/16 21:44

tadeusz.struk@linaro.org

git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master

report log

================================================================== BUG: KASAN: use-after-free in MON_OFF2HDR drivers/usb/mon/mon_bin.c:207 [inline] BUG: KASAN: use-after-free in mon_bin_flush+0x121/0x260 drivers/usb/mon/mon_bin.c:884 Read of size 8 at addr ffff88811d8f5ab8 by task syz-executor653/386 CPU: 1 PID: 386 Comm: syz-executor653 Not tainted 5.10.140-syzkaller-00825-g59390358870a #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/26/2022 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack_lvl+0x1e2/0x24b lib/dump_stack.c:118 print_address_description+0x81/0x3c0 mm/kasan/report.c:233 __kasan_report mm/kasan/report.c:419 [inline] kasan_report+0x1a4/0x1f0 mm/kasan/report.c:436 __asan_report_load8_noabort+0x14/0x20 mm/kasan/report_generic.c:309 MON_OFF2HDR drivers/usb/mon/mon_bin.c:207 [inline] mon_bin_flush+0x121/0x260 drivers/usb/mon/mon_bin.c:884 mon_bin_ioctl+0x2fb/0xed0 drivers/usb/mon/mon_bin.c:1060 vfs_ioctl fs/ioctl.c:48 [inline] __do_sys_ioctl fs/ioctl.c:753 [inline] __se_sys_ioctl+0x115/0x190 fs/ioctl.c:739 __x64_sys_ioctl+0x7b/0x90 fs/ioctl.c:739 do_syscall_64+0x34/0x70 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x61/0xc6 RIP: 0033:0x7f8570d8b819 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 01 18 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:00007f8570d302f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f8570e09480 RCX: 00007f8570d8b819 RDX: 0000000000000006 RSI: 0000000000009208 RDI: 0000000000000003 RBP: 00007f8570dd62bc R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f8570dd52f0 R13: 0000000020001978 R14: 6273752f7665642f R15: 00007f8570e09488 The buggy address belongs to the page: page:ffffea0004763d40 refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x11d8f5 flags: 0x8000000000000000() raw: 8000000000000000 ffffea0004763d48 ffffea0004763d48 0000000000000000 raw: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000 page dumped because: kasan: bad access detected page_owner info is not present (never set?) Memory state around the buggy address: ffff88811d8f5980: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ffff88811d8f5a00: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff >ffff88811d8f5a80: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ^ ffff88811d8f5b00: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ffff88811d8f5b80: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ================================================================== general protection fault, probably for non-canonical address 0xdffffc000000013c: 0000 [#1] PREEMPT SMP KASAN KASAN: null-ptr-deref in range [0x00000000000009e0-0x00000000000009e7] CPU: 1 PID: 386 Comm: syz-executor653 Tainted: G B 5.10.140-syzkaller-00825-g59390358870a #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/26/2022 RIP: 0010:mon_bin_flush+0x141/0x260 drivers/usb/mon/mon_bin.c:885 Code: 74 08 48 89 df e8 8f 3a 94 fe 48 8b 03 41 81 e7 ff 0f 00 00 4d 8d 7c 07 24 4c 89 f8 48 c1 e8 03 48 bb 00 00 00 00 00 fc ff df <0f> b6 04 18 84 c0 75 6b 41 8b 37 83 c6 40 4c 89 f7 e8 a9 fd ff ff RSP: 0018:ffffc90000c97d08 EFLAGS: 00010007 RAX: 000000000000013c RBX: dffffc0000000000 RCX: 0000000000000002 RDX: 0000000000000000 RSI: 0000000000000082 RDI: 0000000000000001 RBP: ffffc90000c97d70 R08: ffffffff813efe13 R09: fffffbfff0d864f9 R10: fffffbfff0d864f9 R11: 1ffffffff0d864f8 R12: 00000000fffffffd R13: ffff88811cd19618 R14: ffff88811cd19600 R15: 00000000000009e4 FS: 00007f8570d30700(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020002000 CR3: 000000011785e000 CR4: 00000000003506a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: mon_bin_ioctl+0x2fb/0xed0 drivers/usb/mon/mon_bin.c:1060 vfs_ioctl fs/ioctl.c:48 [inline] __do_sys_ioctl fs/ioctl.c:753 [inline] __se_sys_ioctl+0x115/0x190 fs/ioctl.c:739 __x64_sys_ioctl+0x7b/0x90 fs/ioctl.c:739 do_syscall_64+0x34/0x70 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x61/0xc6 RIP: 0033:0x7f8570d8b819 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 01 18 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:00007f8570d302f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f8570e09480 RCX: 00007f8570d8b819 RDX: 0000000000000006 RSI: 0000000000009208 RDI: 0000000000000003 RBP: 00007f8570dd62bc R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f8570dd52f0 R13: 0000000020001978 R14: 6273752f7665642f R15: 00007f8570e09488 Modules linked in: ---[ end trace a8255d76b47e1058 ]--- RIP: 0010:mon_bin_flush+0x141/0x260 drivers/usb/mon/mon_bin.c:885 Code: 74 08 48 89 df e8 8f 3a 94 fe 48 8b 03 41 81 e7 ff 0f 00 00 4d 8d 7c 07 24 4c 89 f8 48 c1 e8 03 48 bb 00 00 00 00 00 fc ff df <0f> b6 04 18 84 c0 75 6b 41 8b 37 83 c6 40 4c 89 f7 e8 a9 fd ff ff RSP: 0018:ffffc90000c97d08 EFLAGS: 00010007 RAX: 000000000000013c RBX: dffffc0000000000 RCX: 0000000000000002 RDX: 0000000000000000 RSI: 0000000000000082 RDI: 0000000000000001 RBP: ffffc90000c97d70 R08: ffffffff813efe13 R09: fffffbfff0d864f9 R10: fffffbfff0d864f9 R11: 1ffffffff0d864f8 R12: 00000000fffffffd R13: ffff88811cd19618 R14: ffff88811cd19600 R15: 00000000000009e4 FS: 00007f8570d30700(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020002000 CR3: 000000011785e000 CR4: 00000000003506a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: 74 08 je 0xa 2: 48 89 df mov %rbx,%rdi 5: e8 8f 3a 94 fe callq 0xfe943a99 a: 48 8b 03 mov (%rbx),%rax d: 41 81 e7 ff 0f 00 00 and $0xfff,%r15d 14: 4d 8d 7c 07 24 lea 0x24(%r15,%rax,1),%r15 19: 4c 89 f8 mov %r15,%rax 1c: 48 c1 e8 03 shr $0x3,%rax 20: 48 bb 00 00 00 00 00 movabs $0xdffffc0000000000,%rbx 27: fc ff df * 2a: 0f b6 04 18 movzbl (%rax,%rbx,1),%eax <-- trapping instruction 2e: 84 c0 test %al,%al 30: 75 6b jne 0x9d 32: 41 8b 37 mov (%r15),%esi 35: 83 c6 40 add $0x40,%esi 38: 4c 89 f7 mov %r14,%rdi 3b: e8 a9 fd ff ff callq 0xfffffde9

Crashes (2):
Time	Kernel	Commit	Syzkaller	Config	Log	Report	Syz repro	C repro	VM info	Assets (help?)	Manager	Title
2022/09/16 06:35	android12-5.10-lts	59390358870a	dd9a85ff	.config	console log	report	syz	C		[disk image] [vmlinux]	ci2-android-5-10	KASAN: use-after-free Read in mon_bin_flush
2022/09/18 00:42	android12-5.10-lts	59390358870a	dd9a85ff	.config	strace log	report	syz	C		[disk image] [vmlinux]	ci2-android-5-10	KASAN: slab-out-of-bounds Read in mon_bin_flush

Crashes (2):

Assets (help?)