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WARNING in do_notify_parent

Status: upstream: reported C repro on 2026/02/28 16:11
Subsystems: kernel
Labels: prio:low
[Documentation on labels]
Reported-by: syzbot+bbe6b99feefc3a0842de@syzkaller.appspotmail.com
Fix commit: 09e7827e7857 kernel/fork: validate exit_signal in kernel_clone()
Patched on: [ci-qemu-gce-upstream-auto ci-qemu-upstream ci-qemu-upstream-386 ci-qemu2-arm32 ci-qemu2-arm64 ci-qemu2-arm64-compat ci-qemu2-arm64-mte ci-snapshot-upstream-root ci-upstream-gce-arm64 ci-upstream-gce-leak ci-upstream-kasan-badwrites-root ci-upstream-kasan-gce ci-upstream-kasan-gce-386 ci-upstream-kasan-gce-root ci-upstream-kasan-gce-selinux-root ci-upstream-kasan-gce-smack-root ci-upstream-kmsan-gce-386-root ci-upstream-kmsan-gce-root ci-upstream-linux-next-kasan-gce-root ci-upstream-net-kasan-gce ci-upstream-net-this-kasan-gce ci-upstream-rust-kasan-gce ci2-upstream-fs ci2-upstream-kcsan-gce ci2-upstream-usb], missing on: [ci-qemu-native-arm64-kvm ci-qemu2-riscv64 ci-upstream-bpf-kasan-gce ci-upstream-bpf-next-kasan-gce]
First crash: 103d, last: now
Cause bisection: failed (error log, bisect log)
  
▶ ▼ ✨ AI Jobs (2)
ID Workflow Result Correct Bug Created Started Finished Revision Error
95318d36-e1de-482d-a3ed-36efc5cb3806 assessment-security DenialOfService: ❌ Exploitable: ❌ FilesystemTrigger: ❌ NetworkTrigger: ❌ PeripheralTrigger: ❌ RemoteTrigger: ❌ Unprivileged: ✅ UserNamespace: ✅ VMGuestTrigger: ❌ VMHostTrigger: ❌ ❓ WARNING in do_notify_parent 2026/05/13 05:08 2026/05/13 05:08 2026/05/13 05:10 a0949470b6a66f5eb685a5f70be7c66daf726d2b
89df55d2-bac7-41e5-830c-4b35b960f14e repro ❓ WARNING in do_notify_parent 2026/03/05 20:22 2026/03/05 20:37 2026/03/05 20:48 31e9c887f7dc24e04b3ca70d0d54fc34141844b0
▶ ▼ Discussions (5)
Title Replies (including bot) Last reply
Re: [PATCH -mm v2] do_notify_parent: sanitize the valid_signal() checks 1 (1) 2026/05/18 22:37
[PATCH v3] kernel/fork: validate exit_signal in kernel_clone() 4 (4) 2026/03/17 14:19
[PATCH v2] kernel/fork: validate exit_signal in kernel_clone() 2 (2) 2026/03/16 11:51
[syzbot] [kernel?] WARNING in do_notify_parent 0 (4) 2026/03/16 08:21
[PATCH] kernel/fork: validate exit_signal in clone() syscall 1 (1) 2026/03/07 06:42
▶ ▼ Last patch testing requests (2)
Created Duration User Patch Repo Result
2026/03/16 08:21 1h00m kartikey406@gmail.com patch linux-next OK log
2026/03/07 05:28 23m kartikey406@gmail.com patch linux-next OK log

Sample crash report:
------------[ cut here ]------------
!valid_signal(sig)
WARNING: kernel/signal.c:2174 at do_notify_parent+0xea8/0x10b0 kernel/signal.c:2174, CPU#1: syz.0.17/5907
Modules linked in:
CPU: 1 UID: 0 PID: 5907 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
RIP: 0010:do_notify_parent+0xea8/0x10b0 kernel/signal.c:2174
Code: f4 ff ff e8 4a a7 3d 00 41 c1 ff 08 c7 84 24 90 00 00 00 01 00 00 00 44 89 bc 24 a0 00 00 00 e9 92 f8 ff ff e8 29 a7 3d 00 90 <0f> 0b 90 45 31 f6 e9 f5 f9 ff ff e8 18 a7 3d 00 90 0f 0b 90 e9 43
RSP: 0000:ffffc9000367fa98 EFLAGS: 00010093
RAX: 0000000000000000 RBX: ffff888031550000 RCX: ffffffff81ca58ab
RDX: ffff888031550000 RSI: ffffffff81ca6697 RDI: ffff888031550000
RBP: 0000000000000043 R08: 0000000000000007 R09: 0000000000000040
R10: 0000000000000043 R11: 0000000000000000 R12: 1ffff920006cff56
R13: dffffc0000000000 R14: 0000000000000043 R15: ffff888031550000
FS:  0000000000000000(0000) GS:ffff888124471000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000401000 CR3: 0000000071b60000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 exit_notify kernel/exit.c:758 [inline]
 do_exit+0x1b84/0x2af0 kernel/exit.c:988
 do_group_exit+0xd5/0x2a0 kernel/exit.c:1119
 get_signal+0x20ff/0x2210 kernel/signal.c:3037
 arch_do_signal_or_restart+0x91/0x7a0 arch/x86/kernel/signal.c:337
 __exit_to_user_mode_loop kernel/entry/common.c:64 [inline]
 exit_to_user_mode_loop kernel/entry/common.c:98 [inline]
 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:207 [inline]
 irqentry_exit_to_user_mode_prepare include/linux/irq-entry-common.h:244 [inline]
 irqentry_exit_to_user_mode include/linux/irq-entry-common.h:315 [inline]
 irqentry_exit+0x410/0x7e0 kernel/entry/common.c:162
 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:618
RIP: 0033:0x401000
Code: Unable to access opcode bytes at 0x400fd6.
RSP: 002b:000000000000000c EFLAGS: 00010202
RAX: 0000000000000000 RBX: 00007f413f015fa0 RCX: 00007f413ed9ce59
RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000020003b43
RBP: 00007f413ee32d6f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f413f015fac R14: 00007f413f015fa0 R15: 00007f413f015fa0
 </TASK>

Crashes (175745):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2026/05/24 23:57 upstream 4cbfe4502e3d c69befb3 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci-qemu-gce-upstream-auto WARNING in do_notify_parent
2026/05/20 13:22 upstream 27fa82620cba 585486f8 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci-qemu-gce-upstream-auto WARNING in do_notify_parent
2026/05/17 03:42 upstream 6916d5703ddf de5aae85 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci-qemu-gce-upstream-auto WARNING in do_notify_parent
2026/05/15 15:17 upstream 70eda68668d1 9cd3beaa .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci-qemu-gce-upstream-auto WARNING in do_notify_parent
2026/05/09 19:45 upstream 70390501d194 29233ece .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci-upstream-kasan-badwrites-root WARNING in do_notify_parent
2026/05/06 12:09 upstream 9207d47f966b 26da2c66 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce WARNING in do_notify_parent
2026/05/06 11:39 upstream 74fe02ce122a 23ad3581 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci-qemu-gce-upstream-auto WARNING in do_notify_parent
2026/05/06 10:09 upstream 9207d47f966b 26da2c66 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce WARNING in do_notify_parent
2026/05/02 15:37 upstream f1a5e78a55eb a0d91488 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce WARNING in do_notify_parent
2026/04/26 17:54 upstream 897d54018cc9 9c2d0995 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci-qemu-gce-upstream-auto WARNING in do_notify_parent
2026/04/22 18:11 upstream 6596a02b2078 0e869ba2 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci-qemu-gce-upstream-auto WARNING in do_notify_parent
2026/04/28 14:56 upstream 3b3bea6d4b9c 340bcdf0 .config console log report syz / log C [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in do_notify_parent
2026/04/28 13:27 upstream 3b3bea6d4b9c 340bcdf0 .config console log report syz / log C [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in do_notify_parent
2026/04/20 12:14 bpf eb5249b12507 303e2802 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci-upstream-bpf-kasan-gce WARNING in do_notify_parent
2026/03/03 06:20 linux-next d517cb8cea01 28b83e23 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci-upstream-rust-kasan-gce WARNING in do_notify_parent
2026/05/15 07:51 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 5cbb61bf4168 6ccb967e .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in do_notify_parent
2026/05/19 20:21 upstream ab5fce87a778 2aa09d96 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci-qemu-gce-upstream-auto WARNING in do_notify_parent
2026/05/14 11:32 upstream e1914add2799 6ccb967e .config console log report syz / log [disk image] [vmlinux] [kernel image] ci-qemu-gce-upstream-auto WARNING in do_notify_parent
2026/05/11 13:24 upstream 5d6919055dec 845acb1c .config console log report syz / log [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in do_notify_parent
2026/05/08 13:47 bpf-next 2ca6723a5f7b 5633175a .config console log report syz / log [disk image] [vmlinux] [kernel image] ci-upstream-bpf-next-kasan-gce WARNING in do_notify_parent
2026/03/03 10:07 linux-next d517cb8cea01 28b83e23 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci-upstream-rust-kasan-gce WARNING in do_notify_parent
2026/03/03 07:15 linux-next d517cb8cea01 28b83e23 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING in do_notify_parent
2026/05/31 09:34 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 4b4362973b6f 6b4a8443 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in do_notify_parent
2026/05/26 18:54 upstream e8c2f9fdadee a3e47276 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce WARNING in do_notify_parent
2026/05/26 17:26 upstream e8c2f9fdadee a3e47276 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root WARNING in do_notify_parent
2026/05/26 14:30 upstream e8c2f9fdadee 13258365 .config console log report info [disk image] [vmlinux] [kernel image] ci-qemu-gce-upstream-auto WARNING in do_notify_parent
2026/05/26 09:07 upstream e8c2f9fdadee a3e47276 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root WARNING in do_notify_parent
2026/05/26 00:45 upstream e7ae89a0c97c c69befb3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-badwrites-root WARNING in do_notify_parent
2026/05/25 22:59 upstream e7ae89a0c97c c69befb3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING in do_notify_parent
2026/05/26 07:15 upstream e8c2f9fdadee c69befb3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-386 WARNING in do_notify_parent
2026/05/26 15:20 upstream e8c2f9fdadee 2b0043b4 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in do_notify_parent
2026/05/26 11:47 upstream e8c2f9fdadee 13258365 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in do_notify_parent
2026/05/26 13:14 upstream e8c2f9fdadee 13258365 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 WARNING in do_notify_parent
2026/06/07 19:36 bpf e7ae89a0c97c cc095639 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-bpf-kasan-gce WARNING in do_notify_parent
2026/06/07 19:28 bpf e7ae89a0c97c cc095639 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-bpf-kasan-gce WARNING in do_notify_parent
2026/06/07 19:08 bpf e7ae89a0c97c cc095639 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-bpf-kasan-gce WARNING in do_notify_parent
2026/06/07 19:00 bpf e7ae89a0c97c cc095639 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-bpf-kasan-gce WARNING in do_notify_parent
2026/06/07 18:44 bpf e7ae89a0c97c cc095639 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-bpf-kasan-gce WARNING in do_notify_parent
2026/06/07 18:19 bpf e7ae89a0c97c cc095639 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-bpf-kasan-gce WARNING in do_notify_parent
2026/06/07 18:11 bpf e7ae89a0c97c cc095639 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-bpf-kasan-gce WARNING in do_notify_parent
2026/06/07 17:42 bpf e7ae89a0c97c cc095639 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-bpf-kasan-gce WARNING in do_notify_parent
2026/06/07 17:05 bpf e7ae89a0c97c cc095639 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-bpf-kasan-gce WARNING in do_notify_parent
2026/06/07 16:25 bpf e7ae89a0c97c cc095639 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-bpf-kasan-gce WARNING in do_notify_parent
2026/06/07 16:08 bpf e7ae89a0c97c cc095639 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-bpf-kasan-gce WARNING in do_notify_parent
2026/06/07 15:48 bpf e7ae89a0c97c cc095639 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-bpf-kasan-gce WARNING in do_notify_parent
2026/06/07 15:32 bpf e7ae89a0c97c cc095639 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-bpf-kasan-gce WARNING in do_notify_parent
2026/06/07 15:21 bpf e7ae89a0c97c cc095639 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-bpf-kasan-gce WARNING in do_notify_parent
2026/06/07 14:35 bpf e7ae89a0c97c cc095639 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-bpf-kasan-gce WARNING in do_notify_parent
2026/06/07 14:00 bpf e7ae89a0c97c cc095639 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-bpf-kasan-gce WARNING in do_notify_parent
2026/06/07 13:48 bpf e7ae89a0c97c cc095639 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-bpf-kasan-gce WARNING in do_notify_parent
2026/06/07 13:40 bpf e7ae89a0c97c cc095639 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-bpf-kasan-gce WARNING in do_notify_parent
2026/06/07 13:32 bpf e7ae89a0c97c cc095639 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-bpf-kasan-gce WARNING in do_notify_parent
2026/06/07 19:17 bpf-next f6cd665c10f1 cc095639 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-bpf-next-kasan-gce WARNING in do_notify_parent
2026/06/07 18:52 bpf-next f6cd665c10f1 cc095639 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-bpf-next-kasan-gce WARNING in do_notify_parent
2026/06/07 18:35 bpf-next f6cd665c10f1 cc095639 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-bpf-next-kasan-gce WARNING in do_notify_parent
2026/06/07 18:28 bpf-next f6cd665c10f1 cc095639 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-bpf-next-kasan-gce WARNING in do_notify_parent
2026/06/07 17:59 bpf-next f6cd665c10f1 cc095639 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-bpf-next-kasan-gce WARNING in do_notify_parent
2026/06/07 17:51 bpf-next f6cd665c10f1 cc095639 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-bpf-next-kasan-gce WARNING in do_notify_parent
2026/06/07 17:32 bpf-next f6cd665c10f1 cc095639 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-bpf-next-kasan-gce WARNING in do_notify_parent
2026/06/07 17:23 bpf-next f6cd665c10f1 cc095639 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-bpf-next-kasan-gce WARNING in do_notify_parent
2026/06/07 16:57 bpf-next f6cd665c10f1 cc095639 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-bpf-next-kasan-gce WARNING in do_notify_parent
2026/06/07 16:48 bpf-next f6cd665c10f1 cc095639 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-bpf-next-kasan-gce WARNING in do_notify_parent
2026/06/07 16:37 bpf-next f6cd665c10f1 cc095639 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-bpf-next-kasan-gce WARNING in do_notify_parent
2026/06/07 16:15 bpf-next f6cd665c10f1 cc095639 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-bpf-next-kasan-gce WARNING in do_notify_parent
2026/06/07 16:01 bpf-next f6cd665c10f1 cc095639 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-bpf-next-kasan-gce WARNING in do_notify_parent
2026/06/07 15:40 bpf-next f6cd665c10f1 cc095639 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-bpf-next-kasan-gce WARNING in do_notify_parent
2026/06/07 15:14 bpf-next f6cd665c10f1 cc095639 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-bpf-next-kasan-gce WARNING in do_notify_parent
2026/06/07 15:04 bpf-next f6cd665c10f1 cc095639 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-bpf-next-kasan-gce WARNING in do_notify_parent
2026/06/07 14:55 bpf-next f6cd665c10f1 cc095639 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-bpf-next-kasan-gce WARNING in do_notify_parent
2026/06/07 14:46 bpf-next f6cd665c10f1 cc095639 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-bpf-next-kasan-gce WARNING in do_notify_parent
2026/06/07 14:27 bpf-next f6cd665c10f1 cc095639 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-bpf-next-kasan-gce WARNING in do_notify_parent
2026/06/07 14:18 bpf-next f6cd665c10f1 cc095639 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-bpf-next-kasan-gce WARNING in do_notify_parent
2026/06/07 14:10 bpf-next f6cd665c10f1 cc095639 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-bpf-next-kasan-gce WARNING in do_notify_parent
2026/06/07 13:23 bpf-next f6cd665c10f1 cc095639 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-bpf-next-kasan-gce WARNING in do_notify_parent
2026/06/07 13:11 bpf-next f6cd665c10f1 cc095639 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-bpf-next-kasan-gce WARNING in do_notify_parent
2026/06/07 13:03 bpf-next f6cd665c10f1 cc095639 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-bpf-next-kasan-gce WARNING in do_notify_parent
2026/03/09 19:53 linux-next a0ae2a256046 176bead5 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING in do_notify_parent
2026/03/09 03:46 linux-next a0ae2a256046 5cb44a80 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-rust-kasan-gce WARNING in do_notify_parent
2026/02/28 15:58 linux-next 3fa5e5702a82 43249bac .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-rust-kasan-gce WARNING in do_notify_parent
2026/02/24 16:07 linux-next 3ef088b0c577 96b1aa46 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-rust-kasan-gce WARNING in do_notify_parent
2026/06/03 21:06 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 4b4362973b6f 234057e5 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in do_notify_parent
2026/05/30 18:16 git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux.git for-next 0ca1724b56af 6b4a8443 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-riscv64 WARNING in do_notify_parent
2026/05/26 16:39 https://kernel.googlesource.com/pub/scm/linux/kernel/git/torvalds/linux master e8c2f9fdadee 2b0043b4 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm64-mte WARNING in do_notify_parent
2026/05/22 08:14 https://kernel.googlesource.com/pub/scm/linux/kernel/git/torvalds/linux master 758c807bb943 70ae9b03 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm64-compat WARNING in do_notify_parent
2026/05/17 19:44 https://kernel.googlesource.com/pub/scm/linux/kernel/git/torvalds/linux master 6916d5703ddf de5aae85 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm64 WARNING in do_notify_parent
* Struck through repros no longer work on HEAD.