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linux-5.15.y test error: Internal error in do_notify_resume

Status: upstream: reported on 2025/09/04 13:11
Reported-by: syzbot+7bc90bf72a0babab4e2c@syzkaller.appspotmail.com
First crash: 259d, last: 12h39m

Sample crash report:
Internal error: Oops - BTI: 0000000036000001 [#1] PREEMPT SMP
Modules linked in:
CPU: 1 PID: 4086 Comm: syz.2.33 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
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+0x958/0x309c 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+0x93c/0x309c arch/arm64/kernel/signal.c:946
sp : ffff80001f237be0
x29: ffff80001f237e00 x28: ffff0000c77e0024 x27: 0000000000000001
x26: 000000001fffeda0 x25: dfff800000000000 x24: 0000000000000000
x23: 0000000000000001 x22: 000000001fffee20 x21: 0000000000000000
x20: 00000000fffffff2 x19: 0000001fffee2000 x18: 0000000000000200
x17: 0000000000000000 x16: ffff800008041c80 x15: 0000000000000002
x14: 0000000000000009 x13: 1ffff0000285402b x12: 0000000000ff0100
x11: 0000000000000000 x10: 0000ffffffffffff x9 : 000000001fffee20
x8 : 000000001fffee20 x7 : ffff800008758fbc 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+0x958/0x309c 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_da+0x10c/0x1ec arch/arm64/kernel/entry-common.c:495
 el0t_64_sync_handler+0xd8/0xe4 arch/arm64/kernel/entry-common.c:629
 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584
Code: ea2a011f 9a9f02c9 d503229f f8000938 (14000003) 
---[ end trace 8e78bf641fadeb54 ]---
----------------
Code disassembly (best guess):
   0:	ea2a011f 	bics	xzr, x8, x10
   4:	9a9f02c9 	csel	x9, x22, xzr, eq	// eq = none
   8:	d503229f 	csdb
   c:	f8000938 	sttr	x24, [x9]
* 10:	14000003 	b	0x1c <-- trapping instruction

Crashes (49):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2026/05/21 12:34 linux-5.15.y 93741761e5e3 e195359d .config console log report [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 linux-5.15.y test error: Internal error in do_notify_resume
2026/05/19 23:15 linux-5.15.y 93741761e5e3 0909d65f .config console log report [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 linux-5.15.y test error: Internal error in do_notify_resume
2026/05/18 09:46 linux-5.15.y 93741761e5e3 55156e84 .config console log report [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 linux-5.15.y test error: Internal error in do_notify_resume
2026/05/16 21:48 linux-5.15.y 93741761e5e3 de5aae85 .config console log report [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 linux-5.15.y test error: Internal error in do_notify_resume
2026/05/15 08:58 linux-5.15.y de8dfb3f0278 9cd3beaa .config console log report [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 linux-5.15.y test error: Internal error in do_notify_resume
2026/05/08 12:03 linux-5.15.y 7e75ef31ddc9 5633175a .config console log report [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 linux-5.15.y test error: Internal error in do_notify_resume
2026/05/07 12:47 linux-5.15.y ef251c45f1cd cbf9e0fc .config console log report [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 linux-5.15.y test error: Internal error in do_notify_resume
2026/05/07 00:33 linux-5.15.y ef251c45f1cd f250db59 .config console log report [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 linux-5.15.y test error: Internal error in do_notify_resume
2026/05/06 11:42 linux-5.15.y ef251c45f1cd 1dddfd3d .config console log report [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 linux-5.15.y test error: Internal error in do_notify_resume
2026/05/05 22:14 linux-5.15.y ef251c45f1cd 26da2c66 .config console log report [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 linux-5.15.y test error: Internal error in do_notify_resume
2026/05/01 02:46 linux-5.15.y ef251c45f1cd 753c55b9 .config console log report [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 linux-5.15.y test error: Internal error in do_notify_resume
2026/04/30 14:46 linux-5.15.y ef251c45f1cd a7464baf .config console log report [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 linux-5.15.y test error: Internal error in do_notify_resume
2026/04/30 10:25 linux-5.15.y ef251c45f1cd 005438fc .config console log report [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 linux-5.15.y test error: Internal error in do_notify_resume
2026/04/29 08:51 linux-5.15.y b9d57c40a767 7ca9e4d8 .config console log report [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 linux-5.15.y test error: Internal error in do_notify_resume
2026/04/28 20:48 linux-5.15.y b9d57c40a767 95008c03 .config console log report [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 linux-5.15.y test error: Internal error in do_notify_resume
2026/04/28 08:28 linux-5.15.y b9d57c40a767 ce741359 .config console log report [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 linux-5.15.y test error: Internal error in do_notify_resume
2026/04/27 21:44 linux-5.15.y b9d57c40a767 ce741359 .config console log report [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 linux-5.15.y test error: Internal error in do_notify_resume
2026/04/24 12:13 linux-5.15.y b9d57c40a767 1c2b9291 .config console log report [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 linux-5.15.y test error: Internal error in do_notify_resume
2026/04/22 22:28 linux-5.15.y b9d57c40a767 b10da5ec .config console log report [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 linux-5.15.y test error: Internal error in do_notify_resume
2026/04/18 09:06 linux-5.15.y b9d57c40a767 303e2802 .config console log report [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 linux-5.15.y test error: Internal error in do_notify_resume
2026/04/17 15:19 linux-5.15.y 91d48252ad4b 24ecfc1e .config console log report [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 linux-5.15.y test error: Internal error in do_notify_resume
2026/04/16 23:58 linux-5.15.y 91d48252ad4b de0a551d .config console log report [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 linux-5.15.y test error: Internal error in do_notify_resume
2026/04/13 23:15 linux-5.15.y 91d48252ad4b 1a086e7c .config console log report [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 linux-5.15.y test error: Internal error in do_notify_resume
2026/04/13 10:59 linux-5.15.y 91d48252ad4b 9530ccf9 .config console log report [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 linux-5.15.y test error: Internal error in do_notify_resume
2026/04/02 22:57 linux-5.15.y 91d48252ad4b 4440e7c2 .config console log report [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 linux-5.15.y test error: Internal error in do_notify_resume
2026/04/02 10:45 linux-5.15.y 91d48252ad4b 91bc79b0 .config console log report [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 linux-5.15.y test error: Internal error in do_notify_resume
2026/04/01 22:22 linux-5.15.y 91d48252ad4b 0cb124d5 .config console log report [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 linux-5.15.y test error: Internal error in do_notify_resume
2026/03/27 13:21 linux-5.15.y 91d48252ad4b 74a13a23 .config console log report [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 linux-5.15.y test error: Internal error in do_notify_resume
2026/03/11 17:50 linux-5.15.y 91d48252ad4b 2d88ab01 .config console log report [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 linux-5.15.y test error: Internal error in do_notify_resume
2026/03/11 02:35 linux-5.15.y 91d48252ad4b 86914af9 .config console log report [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 linux-5.15.y test error: Internal error in do_notify_resume
2026/03/10 14:29 linux-5.15.y 91d48252ad4b 4683d576 .config console log report [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 linux-5.15.y test error: Internal error in do_notify_resume
2026/03/10 02:06 linux-5.15.y 91d48252ad4b 6972f302 .config console log report [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 linux-5.15.y test error: Internal error in do_notify_resume
2026/03/04 14:52 linux-5.15.y 91d48252ad4b e6b6b96b .config console log report [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 linux-5.15.y test error: Internal error in do_notify_resume
2026/02/25 11:30 linux-5.15.y 3330a8d33e08 94a9671e .config console log report [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 linux-5.15.y test error: Internal error in do_notify_resume
2026/02/17 16:42 linux-5.15.y e45d5d41c134 06ec4f7b .config console log report [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 linux-5.15.y test error: Internal error in do_notify_resume
2026/02/11 14:28 linux-5.15.y e45d5d41c134 75707236 .config console log report [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 linux-5.15.y test error: Internal error in do_notify_resume
2026/02/06 16:06 linux-5.15.y 7b232985052f 97745f52 .config console log report [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 linux-5.15.y test error: Internal error in do_notify_resume
2026/02/03 09:50 linux-5.15.y 9eec9a14ee10 6df4c87a .config console log report [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 linux-5.15.y test error: Internal error in do_notify_resume
2026/01/31 00:47 linux-5.15.y 9eec9a14ee10 c75a2f6e .config console log report [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 linux-5.15.y test error: Internal error in do_notify_resume
2026/01/27 11:11 linux-5.15.y 9eec9a14ee10 9a514c2f .config console log report [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 linux-5.15.y test error: Internal error in do_notify_resume
2026/01/24 10:38 linux-5.15.y 9eec9a14ee10 40acda8a .config console log report [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 linux-5.15.y test error: Internal error in do_notify_resume
2026/01/22 05:22 linux-5.15.y 9eec9a14ee10 a16aed1d .config console log report [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 linux-5.15.y test error: Internal error in do_notify_resume
2025/12/06 21:42 linux-5.15.y 68efe5a6c16a d6526ea3 .config console log report [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 linux-5.15.y test error: Internal error in do_notify_resume
2025/11/21 19:47 linux-5.15.y cc5ec8769306 4fb8ef37 .config console log report [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 linux-5.15.y test error: Internal error in do_notify_resume
2025/11/06 17:14 linux-5.15.y cc5ec8769306 4e1406b4 .config console log report [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 linux-5.15.y test error: Internal error in do_notify_resume
2025/10/29 14:10 linux-5.15.y cc5ec8769306 fd2207e7 .config console log report [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 linux-5.15.y test error: Internal error in do_notify_resume
2025/10/10 00:51 linux-5.15.y 29e53a5b1c4f ff1712fe .config console log report [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 linux-5.15.y test error: Internal error in do_notify_resume
2025/09/10 00:58 linux-5.15.y de9476bb4f1b fdeaa69b .config console log report [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 linux-5.15.y test error: Internal error in do_notify_resume
2025/09/04 13:10 linux-5.15.y 7a6c2d093c45 d291dd2d .config console log report [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 linux-5.15.y test error: Internal error in do_notify_resume
* Struck through repros no longer work on HEAD.