syzbot


WARNING in path_noexec

Status: upstream: reported C repro on 2025/07/07 11:02
Subsystems: mm fs
[Documentation on labels]
Reported-by: syzbot+3de83a9efcca3f0412ee@syzkaller.appspotmail.com
First crash: 4d18h, last: 28m
Cause bisection: introduced by (bisect log) :
commit df43ee1b368c791b7042504d2aa90893569b9034
Author: Christian Brauner <brauner@kernel.org>
Date: Wed Jul 2 09:23:55 2025 +0000

  anon_inode: rework assertions

Crash: WARNING in path_noexec (log)
Repro: C syz .config
  
Discussions (2)
Title Replies (including bot) Last reply
[PATCH] secretmem: use SB_I_NOEXEC 3 (3) 2025/07/07 17:17
[syzbot] [mm?] [fs?] WARNING in path_noexec 2 (4) 2025/07/07 12:10
Last patch testing requests (1)
Created Duration User Patch Repo Result
2025/07/07 11:30 23m brauner@kernel.org https://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs.git vfs.fixes OK log

Sample crash report:
------------[ cut here ]------------
WARNING: fs/exec.c:119 at path_noexec+0x1af/0x200 fs/exec.c:118, CPU#1: syz-executor189/5851
Modules linked in:
CPU: 1 UID: 0 PID: 5851 Comm: syz-executor189 Not tainted 6.16.0-rc4-next-20250704-syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
RIP: 0010:path_noexec+0x1af/0x200 fs/exec.c:118
Code: 02 31 ff 48 89 de e8 c0 45 88 ff d1 eb eb 07 e8 d7 40 88 ff b3 01 89 d8 5b 41 5e 41 5f 5d c3 cc cc cc cc cc e8 c2 40 88 ff 90 <0f> 0b 90 e9 48 ff ff ff 44 89 f1 80 e1 07 80 c1 03 38 c1 0f 8c a6
RSP: 0018:ffffc90003fc7bd8 EFLAGS: 00010293
RAX: ffffffff8237bfbe RBX: ffff888072f5ccc0 RCX: ffff8880269c1e00
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000080000 R08: ffff8880269c1e00 R09: 0000000000000003
R10: 0000000000000003 R11: 0000000000000000 R12: 0000000000000011
R13: 1ffff920007f8f90 R14: 0000000000000000 R15: dffffc0000000000
FS:  0000555581c8e380(0000) GS:ffff8881258af000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000002eab6398 CR3: 0000000072c12000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 do_mmap+0xa43/0x10d0 mm/mmap.c:472
 vm_mmap_pgoff+0x31b/0x4c0 mm/util.c:579
 ksys_mmap_pgoff+0x51f/0x760 mm/mmap.c:607
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7ff1bcb662a9
Code: 48 83 c4 28 c3 e8 37 17 00 00 0f 1f 80 00 00 00 00 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:00007ffda9823fd8 EFLAGS: 00000246 ORIG_RAX: 0000000000000009
RAX: ffffffffffffffda RBX: 00007ffda98241b8 RCX: 00007ff1bcb662a9
RDX: 0000000000000000 RSI: 0000000000004000 RDI: 0000200000ff9000
RBP: 00007ff1bcbd9610 R08: 0000000000000003 R09: 0000000000000000
R10: 0000000000000011 R11: 0000000000000246 R12: 0000000000000001
R13: 00007ffda98241a8 R14: 0000000000000001 R15: 0000000000000001
 </TASK>

Crashes (2719):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2025/07/07 06:36 linux-next 26ffb3d6f02c 4f67c4ae .config strace log report syz / log C [disk image] [vmlinux] [kernel image] ci-upstream-rust-kasan-gce WARNING in path_noexec
2025/07/07 04:02 linux-next 26ffb3d6f02c 4f67c4ae .config strace log report syz / log C [disk image] [vmlinux] [kernel image] ci-upstream-rust-kasan-gce WARNING in path_noexec
2025/07/03 23:00 linux-next 8d6c58332c7a 115ceea7 .config strace log report syz / log C [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING in path_noexec
2025/07/03 20:21 linux-next 8d6c58332c7a 115ceea7 .config strace log report syz / log C [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING in path_noexec
2025/07/08 02:01 upstream d7b8f8e20813 4f67c4ae .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce WARNING in path_noexec
2025/07/08 01:53 upstream d7b8f8e20813 4f67c4ae .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce WARNING in path_noexec
2025/07/08 00:44 upstream d7b8f8e20813 4f67c4ae .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root WARNING in path_noexec
2025/07/07 23:42 upstream d7b8f8e20813 4f67c4ae .config console log report info [disk image] [vmlinux] [kernel image] ci-qemu-gce-upstream-auto WARNING in path_noexec
2025/07/07 22:34 upstream d7b8f8e20813 4f67c4ae .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce WARNING in path_noexec
2025/07/07 19:16 upstream d7b8f8e20813 4f67c4ae .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root WARNING in path_noexec
2025/07/07 15:29 upstream d7b8f8e20813 4f67c4ae .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce WARNING in path_noexec
2025/07/07 14:20 upstream d7b8f8e20813 4f67c4ae .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce WARNING in path_noexec
2025/07/07 10:28 upstream d7b8f8e20813 4f67c4ae .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce WARNING in path_noexec
2025/07/07 07:36 upstream d7b8f8e20813 4f67c4ae .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce WARNING in path_noexec
2025/07/07 05:58 upstream d7b8f8e20813 4f67c4ae .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce WARNING in path_noexec
2025/07/07 00:09 upstream 1f988d0788f5 4f67c4ae .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce WARNING in path_noexec
2025/07/06 19:59 upstream 1f988d0788f5 4f67c4ae .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING in path_noexec
2025/07/06 14:37 upstream 1f988d0788f5 4f67c4ae .config console log report info [disk image] [vmlinux] [kernel image] ci-qemu-gce-upstream-auto WARNING in path_noexec
2025/07/06 10:17 upstream 1f988d0788f5 4f67c4ae .config console log report info [disk image] [vmlinux] [kernel image] ci-qemu-gce-upstream-auto WARNING in path_noexec
2025/07/06 09:12 upstream 1f988d0788f5 4f67c4ae .config console log report info [disk image] [vmlinux] [kernel image] ci-qemu-gce-upstream-auto WARNING in path_noexec
2025/07/06 08:00 upstream 1f988d0788f5 4f67c4ae .config console log report info [disk image] [vmlinux] [kernel image] ci-qemu-gce-upstream-auto WARNING in path_noexec
2025/07/06 06:28 upstream 05df91921da6 4f67c4ae .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce WARNING in path_noexec
2025/07/06 02:58 upstream 05df91921da6 4f67c4ae .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-badwrites-root WARNING in path_noexec
2025/07/06 23:09 upstream 1f988d0788f5 4f67c4ae .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-386 WARNING in path_noexec
2025/07/08 03:03 upstream d7b8f8e20813 4f67c4ae .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in path_noexec
2025/07/07 22:12 upstream d7b8f8e20813 4f67c4ae .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in path_noexec
2025/07/07 20:58 upstream d7b8f8e20813 4f67c4ae .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in path_noexec
2025/07/07 20:31 upstream d7b8f8e20813 4f67c4ae .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in path_noexec
2025/07/07 17:38 upstream d7b8f8e20813 4f67c4ae .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in path_noexec
2025/07/07 16:29 upstream d7b8f8e20813 4f67c4ae .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in path_noexec
2025/07/07 13:19 upstream d7b8f8e20813 4f67c4ae .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in path_noexec
2025/07/07 13:03 upstream d7b8f8e20813 4f67c4ae .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in path_noexec
2025/07/07 09:50 upstream d7b8f8e20813 4f67c4ae .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in path_noexec
2025/07/07 08:45 upstream 772b78c2abd8 4f67c4ae .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in path_noexec
2025/07/07 06:34 upstream 772b78c2abd8 4f67c4ae .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in path_noexec
2025/07/07 04:53 upstream 772b78c2abd8 4f67c4ae .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in path_noexec
2025/07/07 02:46 upstream 772b78c2abd8 4f67c4ae .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in path_noexec
2025/07/07 01:24 upstream 772b78c2abd8 4f67c4ae .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in path_noexec
2025/07/07 01:21 upstream 772b78c2abd8 4f67c4ae .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in path_noexec
2025/07/06 23:04 upstream 772b78c2abd8 4f67c4ae .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in path_noexec
2025/07/06 22:04 upstream 772b78c2abd8 4f67c4ae .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in path_noexec
2025/07/06 21:00 upstream 772b78c2abd8 4f67c4ae .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in path_noexec
2025/07/06 19:05 upstream 1f988d0788f5 4f67c4ae .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in path_noexec
2025/07/06 18:59 upstream 1f988d0788f5 4f67c4ae .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in path_noexec
2025/07/06 18:26 upstream 1f988d0788f5 4f67c4ae .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in path_noexec
2025/07/06 17:48 upstream 1f988d0788f5 4f67c4ae .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in path_noexec
2025/07/06 16:29 upstream 1f988d0788f5 4f67c4ae .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in path_noexec
2025/07/06 15:41 upstream 1f988d0788f5 4f67c4ae .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in path_noexec
2025/07/06 13:26 upstream 1f988d0788f5 4f67c4ae .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in path_noexec
2025/07/06 11:19 upstream 1f988d0788f5 4f67c4ae .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in path_noexec
2025/07/06 06:50 upstream 1f988d0788f5 4f67c4ae .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in path_noexec
2025/07/06 17:14 upstream 1f988d0788f5 4f67c4ae .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 WARNING in path_noexec
2025/07/06 12:14 upstream 1f988d0788f5 4f67c4ae .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 WARNING in path_noexec
2025/07/08 04:09 linux-next 26ffb3d6f02c 4f67c4ae .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-rust-kasan-gce WARNING in path_noexec
2025/07/07 22:50 linux-next 26ffb3d6f02c 4f67c4ae .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING in path_noexec
2025/07/07 18:39 linux-next 26ffb3d6f02c 4f67c4ae .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-rust-kasan-gce WARNING in path_noexec
2025/07/07 11:59 linux-next 26ffb3d6f02c 4f67c4ae .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING in path_noexec
2025/07/06 18:01 linux-next 26ffb3d6f02c 4f67c4ae .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING in path_noexec
2025/07/06 13:21 linux-next 26ffb3d6f02c 4f67c4ae .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-rust-kasan-gce WARNING in path_noexec
* Struck through repros no longer work on HEAD.