syzbot


WARNING in path_noexec

Status: upstream: reported C repro on 2025/07/07 11:02
Subsystems: fs mm
[Documentation on labels]
Reported-by: syzbot+3de83a9efcca3f0412ee@syzkaller.appspotmail.com
First crash: 58d, last: 1h31m
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 (4)
Title Replies (including bot) Last reply
[syzbot] Monthly fs report (Aug 2025) 0 (1) 2025/08/29 12:52
[syzbot] Monthly mm report (Aug 2025) 0 (1) 2025/08/14 12:42
[PATCH] secretmem: use SB_I_NOEXEC 4 (4) 2025/07/08 07:38
[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: CPU: 1 PID: 5835 at fs/exec.c:118 path_noexec+0x1ca/0x230 fs/exec.c:118
Modules linked in:
CPU: 1 UID: 0 PID: 5835 Comm: syz-executor404 Not tainted 6.16.0-rc7-syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
RIP: 0010:path_noexec+0x1ca/0x230 fs/exec.c:118
Code: ff 83 e3 02 48 89 de e8 34 cf 86 ff 48 85 db 41 0f 95 c4 e8 b8 d3 86 ff 44 89 e0 5b 5d 41 5c c3 cc cc cc cc e8 a7 d3 86 ff 90 <0f> 0b 90 e9 47 ff ff ff e8 49 27 ec ff e9 a8 fe ff ff e8 3f 27 ec
RSP: 0018:ffffc90003e1fc70 EFLAGS: 00010293
RAX: 0000000000000000 RBX: ffff88801debcfe0 RCX: ffffffff82351410
RDX: ffff88807ca58000 RSI: ffffffff823514c9 RDI: 0000000000000007
RBP: 0000000000000000 R08: 0000000000000007 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000001 R12: 0000200000ffd000
R13: 0000000000000001 R14: 0000000000000002 R15: 0000000000000000
FS:  0000555587755380(0000) GS:ffff888124820000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000005fdeb8 CR3: 000000007f9f6000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 do_mmap+0xd23/0x1210 mm/mmap.c:472
 vm_mmap_pgoff+0x281/0x450 mm/util.c:579
 ksys_mmap_pgoff+0x32c/0x5c0 mm/mmap.c:607
 __do_sys_mmap arch/x86/kernel/sys_x86_64.c:89 [inline]
 __se_sys_mmap arch/x86/kernel/sys_x86_64.c:82 [inline]
 __x64_sys_mmap+0x125/0x190 arch/x86/kernel/sys_x86_64.c:82
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xcd/0x4c0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f69fe4cb3e9
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:00007ffcb859aa08 EFLAGS: 00000246 ORIG_RAX: 0000000000000009
RAX: ffffffffffffffda RBX: 00007ffcb859abe8 RCX: 00007f69fe4cb3e9
RDX: 0000000000000002 RSI: 0000000000001000 RDI: 0000200000ffd000
RBP: 00007f69fe53e610 R08: 0000000000000006 R09: 0000000000000000
R10: 0000000000008013 R11: 0000000000000246 R12: 0000000000000001
R13: 00007ffcb859abd8 R14: 0000000000000001 R15: 0000000000000001
 </TASK>

Crashes (9359):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2025/07/21 23:08 upstream 89be9a83ccf1 0b3788a0 .config strace log report syz / log C [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root WARNING in path_noexec
2025/07/21 15:59 upstream 89be9a83ccf1 0b3788a0 .config strace log report syz / log C [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root WARNING in path_noexec
2025/07/13 14:45 upstream 3f31a806a62e 3cda49cf .config strace log report syz / log C [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root WARNING in path_noexec
2025/07/13 07:15 upstream 3f31a806a62e 3cda49cf .config strace log report syz / log C [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root WARNING in path_noexec
2025/07/11 13:42 upstream bc9ff192a6c9 3cda49cf .config strace log report syz / log C [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root WARNING in path_noexec
2025/07/11 09:31 upstream bc9ff192a6c9 3cda49cf .config strace log report syz / log C [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root WARNING in path_noexec
2025/08/26 23:27 upstream fab1beda7597 e12e5ba4 .config console log report syz / log C [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in path_noexec
2025/08/26 22:47 upstream fab1beda7597 e12e5ba4 .config console log report syz / log C [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in path_noexec
2025/08/26 18:58 upstream fab1beda7597 e12e5ba4 .config console log report syz / log C [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in path_noexec
2025/08/06 03:51 upstream 6bcdbd62bd56 ffe1dd46 .config console log report syz / log C [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in path_noexec
2025/08/21 17:38 linux-next 7fa4d8dc380f 0b9605c8 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci-upstream-rust-kasan-gce WARNING in path_noexec
2025/08/02 19:01 linux-next 84b92a499e7e 7368264b .config strace log report syz / log C [disk image] [vmlinux] [kernel image] ci-upstream-rust-kasan-gce WARNING in path_noexec
2025/08/02 15:45 linux-next 84b92a499e7e 7368264b .config strace log report syz / log C [disk image] [vmlinux] [kernel image] ci-upstream-rust-kasan-gce WARNING in path_noexec
2025/07/12 01:06 linux-next a62b7a37e6fc 3cda49cf .config strace log report syz / log C [disk image] [vmlinux] [kernel image] ci-upstream-rust-kasan-gce WARNING in path_noexec
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
2025/08/30 05:07 upstream fb679c832b64 807a3b61 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root WARNING in path_noexec
2025/08/30 05:02 upstream fb679c832b64 807a3b61 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce WARNING in path_noexec
2025/08/30 02:36 upstream fb679c832b64 807a3b61 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root WARNING in path_noexec
2025/08/29 15:38 upstream 07d9df80082b 3e1beec6 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root WARNING in path_noexec
2025/08/29 14:36 upstream 07d9df80082b 3e1beec6 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce WARNING in path_noexec
2025/08/28 20:25 upstream 07d9df80082b 443c11c7 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-badwrites-root WARNING in path_noexec
2025/08/28 18:48 upstream 07d9df80082b 443c11c7 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-badwrites-root WARNING in path_noexec
2025/08/28 17:47 upstream 07d9df80082b 443c11c7 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root WARNING in path_noexec
2025/08/28 16:40 upstream 07d9df80082b 443c11c7 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root WARNING in path_noexec
2025/08/28 14:19 upstream 07d9df80082b 443c11c7 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING in path_noexec
2025/08/28 02:58 upstream 39f90c196721 e12e5ba4 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root WARNING in path_noexec
2025/08/28 01:12 upstream 39f90c196721 e12e5ba4 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root WARNING in path_noexec
2025/08/27 14:59 upstream fab1beda7597 e12e5ba4 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce WARNING in path_noexec
2025/08/27 04:50 upstream fab1beda7597 e12e5ba4 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-badwrites-root WARNING in path_noexec
2025/08/27 03:40 upstream fab1beda7597 e12e5ba4 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root WARNING in path_noexec
2025/08/27 00:31 upstream fab1beda7597 e12e5ba4 .config console log report info [disk image] [vmlinux] [kernel image] ci-qemu-gce-upstream-auto WARNING in path_noexec
2025/08/26 08:54 upstream fab1beda7597 bf27483f .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING in path_noexec
2025/08/26 06:46 upstream b6add54ba618 bf27483f .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-badwrites-root WARNING in path_noexec
2025/08/26 01:12 upstream b6add54ba618 bf27483f .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce WARNING in path_noexec
2025/08/25 23:15 upstream 1b237f190eb3 bf27483f .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-badwrites-root WARNING in path_noexec
2025/08/25 05:54 upstream c330cb607721 bf27483f .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root WARNING in path_noexec
2025/08/25 02:58 upstream c330cb607721 bf27483f .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-badwrites-root WARNING in path_noexec
2025/08/25 01:10 upstream c330cb607721 bf27483f .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root WARNING in path_noexec
2025/08/30 06:31 upstream 11e7861d680c 807a3b61 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-386 WARNING in path_noexec
2025/08/29 14:37 upstream 07d9df80082b 3e1beec6 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-386 WARNING in path_noexec
2025/08/29 10:10 upstream 07d9df80082b 3e1beec6 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-386 WARNING in path_noexec
2025/08/28 00:46 upstream 39f90c196721 e12e5ba4 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-386 WARNING in path_noexec
2025/08/25 20:26 upstream 1b237f190eb3 bf27483f .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-386 WARNING in path_noexec
2025/08/30 16:53 upstream 11e7861d680c 807a3b61 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in path_noexec
2025/08/30 01:32 upstream fb679c832b64 807a3b61 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in path_noexec
2025/08/29 11:13 upstream 07d9df80082b 3e1beec6 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in path_noexec
2025/08/29 04:18 upstream 07d9df80082b d401b9d7 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in path_noexec
2025/08/28 12:59 upstream 07d9df80082b bee60a83 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in path_noexec
2025/08/28 11:58 upstream 07d9df80082b bee60a83 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in path_noexec
2025/08/27 21:22 upstream 39f90c196721 e12e5ba4 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in path_noexec
2025/08/27 20:20 upstream 39f90c196721 e12e5ba4 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in path_noexec
2025/08/26 20:12 upstream fab1beda7597 e12e5ba4 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in path_noexec
2025/08/26 01:08 upstream b6add54ba618 bf27483f .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in path_noexec
2025/08/25 07:30 upstream 1b237f190eb3 bf27483f .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in path_noexec
2025/08/28 13:03 upstream 07d9df80082b bee60a83 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 WARNING in path_noexec
2025/08/28 10:49 upstream 07d9df80082b bee60a83 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 WARNING in path_noexec
2025/08/28 10:48 upstream 07d9df80082b bee60a83 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 WARNING in path_noexec
2025/08/26 05:04 upstream b6add54ba618 bf27483f .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 WARNING in path_noexec
2025/07/30 02:12 net afd8c2c9e2e2 f8f2b4da .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce WARNING in path_noexec
2025/07/30 00:02 net-next fa582ca7e187 f8f2b4da .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce WARNING in path_noexec
2025/08/30 22:12 linux-next 7fa4d8dc380f 807a3b61 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-rust-kasan-gce WARNING in path_noexec
2025/08/30 18:03 linux-next 7fa4d8dc380f 807a3b61 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-rust-kasan-gce WARNING in path_noexec
2025/08/30 12:27 linux-next 7fa4d8dc380f 807a3b61 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-rust-kasan-gce WARNING in path_noexec
2025/08/30 09:05 linux-next 7fa4d8dc380f 807a3b61 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-rust-kasan-gce WARNING in path_noexec
2025/08/29 17:33 linux-next 7fa4d8dc380f 3e1beec6 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-rust-kasan-gce WARNING in path_noexec
2025/08/29 09:09 linux-next 7fa4d8dc380f 3e1beec6 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-rust-kasan-gce WARNING in path_noexec
2025/08/29 06:51 linux-next 7fa4d8dc380f 3e1beec6 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-rust-kasan-gce WARNING in path_noexec
2025/08/27 23:37 linux-next 7fa4d8dc380f e12e5ba4 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-rust-kasan-gce WARNING in path_noexec
2025/08/27 21:32 linux-next 7fa4d8dc380f e12e5ba4 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-rust-kasan-gce WARNING in path_noexec
2025/08/27 09:04 linux-next 7fa4d8dc380f e12e5ba4 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-rust-kasan-gce WARNING in path_noexec
2025/08/26 17:39 linux-next 7fa4d8dc380f bf27483f .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-rust-kasan-gce WARNING in path_noexec
2025/08/26 05:07 linux-next 7fa4d8dc380f bf27483f .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING in path_noexec
2025/08/30 03:41 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 8f5ae30d69d7 807a3b61 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in path_noexec
2025/08/28 07:59 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 8f5ae30d69d7 e12e5ba4 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in path_noexec
2025/08/25 20:52 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 8f5ae30d69d7 bf27483f .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in path_noexec
2025/08/25 05:54 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 8f5ae30d69d7 bf27483f .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in path_noexec
2025/08/25 05:54 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 8f5ae30d69d7 bf27483f .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in path_noexec
* Struck through repros no longer work on HEAD.