syzbot

 sign-in | mailing list | source | docs
🐞 Open [827]
🐞 Fixed [84]
🐞 Invalid [1048]
⬇ Missing Backports [127]
≡ Crashes
Kernel Health Bugs/Month Bug Lifetimes Fuzzing
💬 Send us feedback

Internal error in do_notify_resume

Status: upstream: reported C repro on 2025/08/08 14:12
Bug presence: origin:lts-only
[Documentation on labels]
Reported-by: syzbot+179ca0e711901cdd6e67@syzkaller.appspotmail.com
First crash: 70d, last: 31d
▶ ▼ Bug presence (2)
Date Name Commit Repro Result
2025/08/15 linux-5.15.y (ToT) c79648372d02 C [report] Internal error in do_notify_resume
2025/08/15 upstream (ToT) d7ee5bdce789 C Didn't crash
▶ ▼ Last patch testing requests (1)
Created Duration User Patch Repo Result
2025/09/16 00:25 11m retest repro linux-5.15.y report log
▶ ▼ Fix bisection attempts (1)
Created Duration User Patch Repo Result
2025/08/31 07:36 1m fix candidate upstream error job log

Sample crash report:
Internal error: Oops - BTI: 0000000036000001 [#1] PREEMPT SMP
Modules linked in:
CPU: 0 PID: 4214 Comm: syz.0.17 Not tainted 5.15.189-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
pstate: 42400405 (nZcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=jc)
pc : setup_rt_frame arch/arm64/kernel/signal.c:-1 [inline]
pc : handle_signal arch/arm64/kernel/signal.c:833 [inline]
pc : do_signal arch/arm64/kernel/signal.c:908 [inline]
pc : do_notify_resume+0x958/0x3128 arch/arm64/kernel/signal.c:946
lr : __uaccess_mask_ptr arch/arm64/include/asm/uaccess.h:244 [inline]
lr : setup_rt_frame arch/arm64/kernel/signal.c:788 [inline]
lr : handle_signal arch/arm64/kernel/signal.c:833 [inline]
lr : do_signal arch/arm64/kernel/signal.c:908 [inline]
lr : do_notify_resume+0x938/0x3128 arch/arm64/kernel/signal.c:946
sp : ffff80001fcf7be0
x29: ffff80001fcf7e00 x28: 00000000fffffff2 x27: ffff80001fcf7eb0
x26: 0000000000000001 x25: 0000fffff1972290 x24: ffff80001fcf7f98
x23: 0000000000000001 x22: dfff800000000000 x21: ffff0000d6b99b40
x20: 0000000000000000 x19: 00fffff197229000 x18: 0000000000000200
x17: 0000000000000000 x16: ffff800008041968 x15: 0000000000000002
x14: 0000000000ff0100 x13: 1ffff0000282e06b x12: 0000000000ff0100
x11: 0000000000000000 x10: 0000ffffffffffff x9 : 0000fffff1972290
x8 : 0000000000000000 x7 : ffff800008750ed4 x6 : 0000000000000000
x5 : 0000000000000000 x4 : 0000000000000001 x3 : 0000000000000001
x2 : 0000000000000008 x1 : 0000000000000001 x0 : 0000000000000000
Call trace:
 setup_rt_frame arch/arm64/kernel/signal.c:788 [inline]
 handle_signal arch/arm64/kernel/signal.c:833 [inline]
 do_signal arch/arm64/kernel/signal.c:908 [inline]
 do_notify_resume+0x958/0x3128 arch/arm64/kernel/signal.c:946
 prepare_exit_to_user_mode arch/arm64/kernel/entry-common.c:133 [inline]
 exit_to_user_mode arch/arm64/kernel/entry-common.c:138 [inline]
 el0_ia+0x158/0x2d0 arch/arm64/kernel/entry-common.c:513
 el0t_64_sync_handler+0xc0/0xe4 arch/arm64/kernel/entry-common.c:632
 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584
Code: 9a9f0329 d503229f f9405fe8 f8000928 (14000003) 
---[ end trace c9ce8571e64d5d8c ]---
----------------
Code disassembly (best guess):
   0:	9a9f0329 	csel	x9, x25, xzr, eq	// eq = none
   4:	d503229f 	csdb
   8:	f9405fe8 	ldr	x8, [sp, #184]
   c:	f8000928 	sttr	x8, [x9]
* 10:	14000003 	b	0x1c <-- trapping instruction

Crashes (452):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2025/08/13 19:36 linux-5.15.y c79648372d02 22ec1469 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 Internal error in do_notify_resume
2025/08/13 18:50 linux-5.15.y c79648372d02 22ec1469 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 Internal error in do_notify_resume
2025/08/28 15:43 linux-5.15.y c79648372d02 e12e5ba4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 Internal error in do_notify_resume
2025/08/28 13:08 linux-5.15.y c79648372d02 e12e5ba4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 Internal error in do_notify_resume
2025/08/28 06:45 linux-5.15.y c79648372d02 e12e5ba4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 Internal error in do_notify_resume
2025/08/27 23:43 linux-5.15.y c79648372d02 e12e5ba4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 Internal error in do_notify_resume
2025/08/27 20:48 linux-5.15.y c79648372d02 e12e5ba4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 Internal error in do_notify_resume
2025/08/27 19:24 linux-5.15.y c79648372d02 e12e5ba4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 Internal error in do_notify_resume
2025/08/27 18:24 linux-5.15.y c79648372d02 e12e5ba4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 Internal error in do_notify_resume
2025/08/27 16:59 linux-5.15.y c79648372d02 e12e5ba4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 Internal error in do_notify_resume
2025/08/27 10:03 linux-5.15.y c79648372d02 e12e5ba4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 Internal error in do_notify_resume
2025/08/27 04:45 linux-5.15.y c79648372d02 e12e5ba4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 Internal error in do_notify_resume
2025/08/27 03:45 linux-5.15.y c79648372d02 e12e5ba4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 Internal error in do_notify_resume
2025/08/27 01:16 linux-5.15.y c79648372d02 e12e5ba4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 Internal error in do_notify_resume
2025/08/26 23:56 linux-5.15.y c79648372d02 e12e5ba4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 Internal error in do_notify_resume
2025/08/26 22:51 linux-5.15.y c79648372d02 e12e5ba4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 Internal error in do_notify_resume
2025/08/26 22:50 linux-5.15.y c79648372d02 e12e5ba4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 Internal error in do_notify_resume
2025/08/26 21:16 linux-5.15.y c79648372d02 e12e5ba4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 Internal error in do_notify_resume
2025/08/26 15:34 linux-5.15.y c79648372d02 e12e5ba4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 Internal error in do_notify_resume
2025/08/25 12:59 linux-5.15.y c79648372d02 bf27483f .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 Internal error in do_notify_resume
2025/08/25 11:56 linux-5.15.y c79648372d02 bf27483f .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 Internal error in do_notify_resume
2025/08/25 04:02 linux-5.15.y c79648372d02 bf27483f .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 Internal error in do_notify_resume
2025/08/24 22:58 linux-5.15.y c79648372d02 bf27483f .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 Internal error in do_notify_resume
2025/08/24 22:24 linux-5.15.y c79648372d02 bf27483f .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 Internal error in do_notify_resume
2025/08/24 16:36 linux-5.15.y c79648372d02 bf27483f .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 Internal error in do_notify_resume
2025/08/24 13:31 linux-5.15.y c79648372d02 bf27483f .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 Internal error in do_notify_resume
2025/08/24 05:14 linux-5.15.y c79648372d02 bf27483f .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 Internal error in do_notify_resume
2025/08/24 03:54 linux-5.15.y c79648372d02 bf27483f .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 Internal error in do_notify_resume
2025/08/24 01:28 linux-5.15.y c79648372d02 bf27483f .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 Internal error in do_notify_resume
2025/08/23 16:17 linux-5.15.y c79648372d02 bf27483f .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 Internal error in do_notify_resume
2025/08/23 13:25 linux-5.15.y c79648372d02 bf27483f .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 Internal error in do_notify_resume
2025/08/23 07:32 linux-5.15.y c79648372d02 bf27483f .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 Internal error in do_notify_resume
2025/08/23 03:43 linux-5.15.y c79648372d02 bf27483f .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 Internal error in do_notify_resume
2025/08/22 22:54 linux-5.15.y c79648372d02 bf27483f .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 Internal error in do_notify_resume
2025/08/22 22:52 linux-5.15.y c79648372d02 bf27483f .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 Internal error in do_notify_resume
2025/08/22 16:58 linux-5.15.y c79648372d02 bf27483f .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 Internal error in do_notify_resume
2025/08/22 13:14 linux-5.15.y c79648372d02 bf27483f .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 Internal error in do_notify_resume
2025/08/22 11:00 linux-5.15.y c79648372d02 bf27483f .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 Internal error in do_notify_resume
2025/08/22 07:16 linux-5.15.y c79648372d02 bf27483f .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 Internal error in do_notify_resume
2025/08/22 07:16 linux-5.15.y c79648372d02 bf27483f .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 Internal error in do_notify_resume
2025/08/22 03:07 linux-5.15.y c79648372d02 3e79b825 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 Internal error in do_notify_resume
2025/08/22 02:00 linux-5.15.y c79648372d02 3e79b825 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 Internal error in do_notify_resume
2025/08/22 01:00 linux-5.15.y c79648372d02 3e79b825 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 Internal error in do_notify_resume
2025/08/21 23:54 linux-5.15.y c79648372d02 3e79b825 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 Internal error in do_notify_resume
2025/08/08 14:12 linux-5.15.y c79648372d02 32a0e5ed .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 Internal error in do_notify_resume
* Struck through repros no longer work on HEAD.