general protection fault in adsl_state

Version	Stage	Reported	Report Link	Job
2	moderation	2026/08/18 06:31	Discussion	b6352d63-d03a-4e87-92a4-b334c3ebcf97
1	moderation	2026/08/17 00:27	Discussion	8e181a07-2f4b-4d42-9073-faacc1af94f0

moderation

2026/08/18 06:31

moderation

2026/08/17 00:27

ID	Workflow	Result	Correct	Bug	Created	Started	Finished	Revision
b6352d63	patch-iteration		❓	general protection fault in adsl_state_store	2026/08/18 05:34	2026/08/18 05:34	2026/08/18 06:31	1e72964b
8e181a07	patching		❓	general protection fault in adsl_state_store	2026/08/16 20:04	2026/08/16 23:09	2026/08/17 00:26	746171ee
58f7bf7a	repro-c	Reproduced: ✅	❓	general protection fault in adsl_state_store	2026/08/15 11:45	2026/08/15 11:45	2026/08/15 13:23	746171ee
448b748a	assessment-security	DenialOfService: ✅ Exploitable: ❌ FilesystemTrigger: ❌ NetworkTrigger: ❌ PeripheralTrigger: ❌ RemoteTrigger: ❌ Unprivileged: ❌ UserNamespace: ❌ VMGuestTrigger: ❌ VMHostTrigger: ❌	❓	general protection fault in adsl_state_store	2026/08/01 00:59	2026/08/01 00:59	2026/08/01 02:09	7664cf44

Title	Replies (including bot)	Last reply
[syzbot] [usb?] general protection fault in adsl_state_store	0 (1)	2026/08/16 15:50

Title

Replies (including bot)

Last reply

[syzbot] [usb?] general protection fault in adsl_state_store

0 (1)

2026/08/16 15:50

Created	Duration	User	Patch	Repo	Result
2026/08/16 13:30	21m	nogikh@google.com		upstream	report job log log

Created

Duration

User

Patch

Repo

Result

2026/08/16 13:30

21m

nogikh@google.com

upstream

report job log log

cxacru_cm: 3 callbacks suppressed cxacru 5-1:1.0: send of cm 0x85 failed (-104) Oops: general protection fault, probably for non-canonical address 0xdffffc0000000002: 0000 [#1] SMP KASAN NOPTI KASAN: null-ptr-deref in range [0x0000000000000010-0x0000000000000017] CPU: 0 UID: 0 PID: 6032 Comm: syz-executor219 Not tainted syzkaller #0 PREEMPT(full) Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 RIP: 0010:adsl_state_store.cold+0x5d/0x15d drivers/usb/atm/cxacru.c:359 Code: 48 89 fa 48 c1 ea 03 80 3c 02 00 74 05 e8 a3 89 27 01 48 8b 6d 78 b8 ff ff 37 00 48 c1 e0 2a 48 8d 7d 10 48 89 fa 48 c1 ea 03 <0f> b6 04 02 84 c0 74 08 3c 03 0f 8e d5 00 00 00 8b 75 10 89 da 48 RSP: 0018:ffffc900038e7bb0 EFLAGS: 00010202 RAX: dffffc0000000000 RBX: 00000000ffffff98 RCX: ffffffff87c43ce9 RDX: 0000000000000002 RSI: ffffffff8153789d RDI: 0000000000000010 RBP: 0000000000000000 R08: 0000000000000005 R09: 0000000000000000 R10: 00000000ffffff98 R11: ffffffff81d6107c R12: ffffc900038e7be8 R13: 0000000000000004 R14: ffff8880478ad800 R15: 1ffff9200071cf79 FS: 000055558821b400(0000) GS:ffff8880d5bde000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000560168e483b8 CR3: 00000000361a1000 CR4: 0000000000352ef0 Call Trace: <TASK> dev_attr_store+0x58/0x80 drivers/base/core.c:2505 sysfs_kf_write+0xf2/0x150 fs/sysfs/file.c:145 kernfs_fop_write_iter+0x3e0/0x5f0 fs/kernfs/file.c:345 new_sync_write fs/read_write.c:595 [inline] vfs_write+0x6ac/0x1050 fs/read_write.c:687 ksys_write+0x12a/0x250 fs/read_write.c:739 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x115/0x870 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7ff46eca73de Code: 08 0f 85 f5 e2 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 90 41 57 41 56 4d 89 c6 41 55 4d 89 cd 41 54 55 53 48 83 ec 08 RSP: 002b:00007fffbb5e0ef8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 000055558821b400 RCX: 00007ff46eca73de RDX: 0000000000000004 RSI: 00007ff46ecf2074 RDI: 0000000000000005 RBP: 000055558821d890 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff46ecf4540 R13: 0000000000000000 R14: 0000000000000005 R15: 00007ff46ecf4590 </TASK> Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:adsl_state_store.cold+0x5d/0x15d drivers/usb/atm/cxacru.c:359 Code: 48 89 fa 48 c1 ea 03 80 3c 02 00 74 05 e8 a3 89 27 01 48 8b 6d 78 b8 ff ff 37 00 48 c1 e0 2a 48 8d 7d 10 48 89 fa 48 c1 ea 03 <0f> b6 04 02 84 c0 74 08 3c 03 0f 8e d5 00 00 00 8b 75 10 89 da 48 RSP: 0018:ffffc900038e7bb0 EFLAGS: 00010202 RAX: dffffc0000000000 RBX: 00000000ffffff98 RCX: ffffffff87c43ce9 RDX: 0000000000000002 RSI: ffffffff8153789d RDI: 0000000000000010 RBP: 0000000000000000 R08: 0000000000000005 R09: 0000000000000000 R10: 00000000ffffff98 R11: ffffffff81d6107c R12: ffffc900038e7be8 R13: 0000000000000004 R14: ffff8880478ad800 R15: 1ffff9200071cf79 FS: 000055558821b400(0000) GS:ffff8880d5cde000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fb3d476b0f5 CR3: 00000000361a1000 CR4: 0000000000352ef0 ---------------- Code disassembly (best guess): 0: 48 89 fa mov %rdi,%rdx 3: 48 c1 ea 03 shr $0x3,%rdx 7: 80 3c 02 00 cmpb $0x0,(%rdx,%rax,1) b: 74 05 je 0x12 d: e8 a3 89 27 01 call 0x12789b5 12: 48 8b 6d 78 mov 0x78(%rbp),%rbp 16: b8 ff ff 37 00 mov $0x37ffff,%eax 1b: 48 c1 e0 2a shl $0x2a,%rax 1f: 48 8d 7d 10 lea 0x10(%rbp),%rdi 23: 48 89 fa mov %rdi,%rdx 26: 48 c1 ea 03 shr $0x3,%rdx * 2a: 0f b6 04 02 movzbl (%rdx,%rax,1),%eax <-- trapping instruction 2e: 84 c0 test %al,%al 30: 74 08 je 0x3a 32: 3c 03 cmp $0x3,%al 34: 0f 8e d5 00 00 00 jle 0x10f 3a: 8b 75 10 mov 0x10(%rbp),%esi 3d: 89 da mov %ebx,%edx 3f: 48 rex.W

Crashes (3):
Time	Kernel	Commit	Syzkaller	Config	Log	Report	C repro	Assets (help?)	Manager	Title
2026/08/16 15:50	upstream	3eb40771c00a	2377cd3d	.config	console log	report	C		ci-qemu-upstream	general protection fault in adsl_state_store
2026/07/30 09:45	upstream	fc46aed51f62	2377cd3d	.config	console log	report		[disk image (non-bootable)] [vmlinux] [kernel image]	ci-snapshot-upstream-root	general protection fault in adsl_state_store
2026/07/30 09:45	upstream	fc46aed51f62	2377cd3d	.config	console log	report		[disk image (non-bootable)] [vmlinux] [kernel image]	ci-snapshot-upstream-root	general protection fault in adsl_state_store

Crashes (3):

Assets (help?)