syzbot


WARNING in path_noexec

Status: fixed on 2025/09/30 15:20
Subsystems: fs mm
[Documentation on labels]
Reported-by: syzbot+3de83a9efcca3f0412ee@syzkaller.appspotmail.com
Fix commit: secretmem: use SB_I_NOEXEC
First crash: 110d, last: 21d
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
[PATCH] secretmem: use SB_I_NOEXEC 5 (5) 2025/09/12 13:49
[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
[syzbot] [mm?] [fs?] WARNING in path_noexec 2 (4) 2025/07/07 12:10
Similar bugs (1)
Kernel Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream WARNING in path_noexec (2) fs mm -1 C error 3271 51m 21d 0/29 upstream: reported C repro on 2025/09/30 20:17
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: 0 PID: 6039 at fs/exec.c:119 path_noexec+0x1af/0x200 fs/exec.c:118
Modules linked in:
CPU: 0 UID: 0 PID: 6039 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
RIP: 0010:path_noexec+0x1af/0x200 fs/exec.c:118
Code: 02 31 ff 48 89 de e8 d0 e3 89 ff d1 eb eb 07 e8 e7 de 89 ff b3 01 89 d8 5b 41 5e 41 5f 5d c3 cc cc cc cc cc e8 d2 de 89 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:ffffc9000422fbd8 EFLAGS: 00010293
RAX: ffffffff8235cfee RBX: ffff88806e241580 RCX: ffff88806e868000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000080000 R08: ffff88806e868000 R09: 0000000000000003
R10: 0000000000000003 R11: 0000000000000000 R12: 0000000000000013
R13: 1ffff92000845f90 R14: 0000000000000000 R15: dffffc0000000000
FS:  000055555bdd7500(0000) GS:ffff888125c12000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b32663fff CR3: 0000000074cb4000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 do_mmap+0xa43/0x10d0 mm/mmap.c:469
 vm_mmap_pgoff+0x2a6/0x4d0 mm/util.c:580
 ksys_mmap_pgoff+0x51f/0x760 mm/mmap.c:604
 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: 0033:0x7fbce178eec9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffceb5fc048 EFLAGS: 00000246 ORIG_RAX: 0000000000000009
RAX: ffffffffffffffda RBX: 00007fbce19e5fa0 RCX: 00007fbce178eec9
RDX: 0000000002000000 RSI: 0000000000003000 RDI: 0000200000000000
RBP: 00007fbce1811f91 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000013 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fbce19e5fa0 R14: 00007fbce19e5fa0 R15: 0000000000000006
 </TASK>

Crashes (14318):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2025/09/26 11:27 upstream 4ff71af020ae 0abd0691 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce WARNING in path_noexec
2025/09/24 10:09 upstream cec1e6e5d1ab 0abd0691 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING in path_noexec
2025/09/23 10:53 upstream cec1e6e5d1ab 0ac7291c .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce WARNING in path_noexec
2025/09/22 17:05 upstream 07e27ad16399 0ac7291c .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING in path_noexec
2025/09/17 09:34 upstream 5aca7966d2a7 e2beed91 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce WARNING in path_noexec
2025/09/17 08:29 upstream 5aca7966d2a7 e2beed91 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce WARNING in path_noexec
2025/09/16 19:17 upstream 46a51f4f5eda e2beed91 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce WARNING in path_noexec
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
2025/09/17 03:42 upstream 5aca7966d2a7 e2beed91 .config console log report syz / log C [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in path_noexec
2025/09/02 22:25 upstream e6b9dce0aeeb 96a211bc .config console log report syz / log C [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in path_noexec
2025/08/31 07:05 upstream c8bc81a52d5a 807a3b61 .config console log report syz / log C [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream 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
2025/09/09 03:49 linux-next 3e8e5822146b d291dd2d .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci-upstream-rust-kasan-gce WARNING in path_noexec
2025/09/04 18:34 linux-next 4ac65880ebca d291dd2d .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci-upstream-rust-kasan-gce 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
2025/09/30 12:15 upstream 1896ce8eb6c6 86341da6 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce WARNING in path_noexec
2025/09/30 05:26 upstream 449c2b302c8e 86341da6 .config console log report info [disk image] [vmlinux] [kernel image] ci-qemu-gce-upstream-auto WARNING in path_noexec
2025/09/29 17:35 upstream e5f0a698b34e 86341da6 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-badwrites-root WARNING in path_noexec
2025/09/29 17:35 upstream e5f0a698b34e 86341da6 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-badwrites-root WARNING in path_noexec
2025/09/29 15:15 upstream e5f0a698b34e 86341da6 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING in path_noexec
2025/09/29 13:56 upstream e5f0a698b34e 86341da6 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root WARNING in path_noexec
2025/09/29 09:01 upstream 8f9736633f8c 001c9061 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce WARNING in path_noexec
2025/09/29 09:01 upstream 8f9736633f8c 001c9061 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce WARNING in path_noexec
2025/09/28 17:38 upstream 51a24b7deaae 001c9061 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-badwrites-root WARNING in path_noexec
2025/09/28 16:07 upstream 51a24b7deaae 001c9061 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root WARNING in path_noexec
2025/09/28 15:47 upstream 51a24b7deaae 001c9061 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING in path_noexec
2025/09/28 15:38 upstream 51a24b7deaae 001c9061 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root WARNING in path_noexec
2025/09/28 14:38 upstream 51a24b7deaae 001c9061 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-badwrites-root WARNING in path_noexec
2025/09/28 12:28 upstream 51a24b7deaae 001c9061 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce WARNING in path_noexec
2025/09/28 08:43 upstream 51a24b7deaae 001c9061 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-badwrites-root WARNING in path_noexec
2025/09/28 06:06 upstream 51a24b7deaae 001c9061 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root WARNING in path_noexec
2025/09/28 03:57 upstream 51a24b7deaae 001c9061 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce WARNING in path_noexec
2025/09/27 22:12 upstream fec734e8d564 001c9061 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce WARNING in path_noexec
2025/09/27 09:30 upstream 083fc6d7fa0d 001c9061 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root WARNING in path_noexec
2025/09/27 08:07 upstream fec734e8d564 001c9061 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING in path_noexec
2025/09/27 08:07 upstream fec734e8d564 001c9061 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING in path_noexec
2025/09/27 05:28 upstream 083fc6d7fa0d 001c9061 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce WARNING in path_noexec
2025/09/27 03:22 upstream fec734e8d564 001c9061 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING in path_noexec
2025/09/26 19:08 upstream 4ff71af020ae 0abd0691 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING in path_noexec
2025/09/29 16:19 upstream e5f0a698b34e 86341da6 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-386 WARNING in path_noexec
2025/09/29 16:19 upstream e5f0a698b34e 86341da6 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-386 WARNING in path_noexec
2025/09/27 04:45 upstream fec734e8d564 001c9061 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-386 WARNING in path_noexec
2025/09/30 13:55 upstream 30d4efb2f5a5 65a0eece .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in path_noexec
2025/09/30 12:46 upstream 30d4efb2f5a5 65a0eece .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in path_noexec
2025/09/30 12:26 upstream 30d4efb2f5a5 65a0eece .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in path_noexec
2025/09/29 10:35 upstream e5f0a698b34e 86341da6 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in path_noexec
2025/09/28 12:58 upstream 51a24b7deaae 001c9061 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in path_noexec
2025/09/28 12:36 upstream 51a24b7deaae 001c9061 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in path_noexec
2025/09/28 03:01 upstream 51a24b7deaae 001c9061 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in path_noexec
2025/09/28 02:57 upstream 51a24b7deaae 001c9061 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in path_noexec
2025/09/27 06:30 upstream 083fc6d7fa0d 001c9061 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in path_noexec
2025/09/27 06:24 upstream 083fc6d7fa0d 001c9061 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in path_noexec
2025/09/26 23:48 upstream 083fc6d7fa0d 001c9061 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in path_noexec
2025/09/26 23:41 upstream 083fc6d7fa0d 001c9061 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in path_noexec
2025/09/26 17:16 upstream 4ff71af020ae 0abd0691 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in path_noexec
2025/09/30 14:11 upstream 30d4efb2f5a5 65a0eece .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 WARNING in path_noexec
2025/09/29 11:28 upstream e5f0a698b34e 86341da6 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 WARNING in path_noexec
2025/09/26 17:15 upstream 4ff71af020ae 0abd0691 .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
2025/09/30 12:34 linux-next 3b9b1f8df454 86341da6 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-rust-kasan-gce WARNING in path_noexec
2025/09/29 09:25 linux-next 262858079afd 001c9061 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING in path_noexec
2025/09/29 07:24 linux-next 262858079afd 001c9061 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING in path_noexec
2025/09/29 05:26 linux-next 262858079afd 001c9061 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING in path_noexec
2025/09/27 14:43 linux-next 262858079afd 001c9061 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING in path_noexec
2025/09/27 06:34 linux-next 262858079afd 001c9061 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-rust-kasan-gce WARNING in path_noexec
2025/09/26 17:44 linux-next 262858079afd 0abd0691 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-rust-kasan-gce WARNING in path_noexec
2025/09/29 09:13 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 2213e57a69f0 001c9061 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in path_noexec
2025/09/28 12:26 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 2213e57a69f0 001c9061 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in path_noexec
2025/09/27 23:32 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 2213e57a69f0 001c9061 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in path_noexec
2025/09/27 01:10 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 2213e57a69f0 001c9061 .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.