syzbot


WARNING in path_noexec (2)

Status: upstream: reported C repro on 2025/09/30 20:17
Subsystems: fs mm
[Documentation on labels]
Reported-by: syzbot+a9391462075ffb9f77c6@syzkaller.appspotmail.com
First crash: 19h07m, last: 2h41m
Cause bisection: failed (error log, bisect log)
  
Discussions (1)
Title Replies (including bot) Last reply
[syzbot] [fs?] [mm?] WARNING in path_noexec (2) 1 (2) 2025/09/30 22:04
Similar bugs (1)
Kernel Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream WARNING in path_noexec fs mm -1 C done 14318 22h30m 86d 29/29 fixed on 2025/09/30 15:20

Sample crash report:
------------[ cut here ]------------
WARNING: CPU: 1 PID: 6000 at fs/exec.c:119 path_noexec+0x1af/0x200 fs/exec.c:118
Modules linked in:
CPU: 1 UID: 0 PID: 6000 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 c0 e2 89 ff d1 eb eb 07 e8 d7 dd 89 ff b3 01 89 d8 5b 41 5e 41 5f 5d e9 98 51 04 09 cc e8 c2 dd 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:ffffc9000384fbd8 EFLAGS: 00010293
RAX: ffffffff823437ce RBX: ffff888077b40780 RCX: ffff88802eebbc00
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000080000 R08: ffff88802eebbc00 R09: 0000000000000003
R10: 0000000000000003 R11: 0000000000000000 R12: 0000000000000011
R13: 1ffff92000709f90 R14: 0000000000000000 R15: dffffc0000000000
FS:  000055558a5c5500(0000) GS:ffff88812647e000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b30b63fff CR3: 00000000213d4000 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: 0033:0x7fea4258eec9
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:00007ffc0d346898 EFLAGS: 00000246 ORIG_RAX: 0000000000000009
RAX: ffffffffffffffda RBX: 00007fea427e5fa0 RCX: 00007fea4258eec9
RDX: 0000000003000007 RSI: 0000000000003000 RDI: 0000200000000000
RBP: 00007fea42611f91 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000011 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fea427e5fa0 R14: 00007fea427e5fa0 R15: 0000000000000006
 </TASK>

Crashes (144):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2025/09/30 19:24 upstream 30d4efb2f5a5 65a0eece .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce WARNING in path_noexec
2025/09/30 18:47 upstream 30d4efb2f5a5 65a0eece .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce WARNING in path_noexec
2025/09/30 18:33 upstream 30d4efb2f5a5 65a0eece .config console log report syz / log C [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in path_noexec
2025/09/30 18:21 upstream 30d4efb2f5a5 65a0eece .config console log report syz / log C [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in path_noexec
2025/10/01 04:13 linux-next 3b9b1f8df454 65a0eece .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci-upstream-rust-kasan-gce WARNING in path_noexec
2025/10/01 03:33 linux-next 3b9b1f8df454 65a0eece .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci-upstream-rust-kasan-gce WARNING in path_noexec
2025/10/01 02:53 linux-next 3b9b1f8df454 65a0eece .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci-upstream-rust-kasan-gce WARNING in path_noexec
2025/10/01 02:14 linux-next 3b9b1f8df454 65a0eece .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci-upstream-rust-kasan-gce WARNING in path_noexec
2025/09/30 18:55 linux-next 3b9b1f8df454 65a0eece .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci-upstream-rust-kasan-gce WARNING in path_noexec
2025/09/30 18:31 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 2213e57a69f0 65a0eece .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in path_noexec
2025/10/01 10:30 upstream 50c19e20ed2e 65a0eece .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-badwrites-root WARNING in path_noexec
2025/10/01 06:50 upstream 50c19e20ed2e 65a0eece .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root WARNING in path_noexec
2025/10/01 03:58 upstream 30d4efb2f5a5 65a0eece .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-badwrites-root WARNING in path_noexec
2025/10/01 01:01 upstream 30d4efb2f5a5 65a0eece .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-badwrites-root WARNING in path_noexec
2025/09/30 20:45 upstream 30d4efb2f5a5 65a0eece .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce WARNING in path_noexec
2025/09/30 20:41 upstream 30d4efb2f5a5 65a0eece .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce WARNING in path_noexec
2025/09/30 20:41 upstream 30d4efb2f5a5 65a0eece .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce WARNING in path_noexec
2025/09/30 20:39 upstream 30d4efb2f5a5 65a0eece .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce WARNING in path_noexec
2025/09/30 20:39 upstream 30d4efb2f5a5 65a0eece .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce WARNING in path_noexec
2025/09/30 18:43 upstream 30d4efb2f5a5 65a0eece .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root WARNING in path_noexec
2025/09/30 18:43 upstream 30d4efb2f5a5 65a0eece .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root WARNING in path_noexec
2025/09/30 18:38 upstream 30d4efb2f5a5 65a0eece .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root WARNING in path_noexec
2025/09/30 18:37 upstream 30d4efb2f5a5 65a0eece .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root WARNING in path_noexec
2025/09/30 18:08 upstream 30d4efb2f5a5 65a0eece .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce WARNING in path_noexec
2025/09/30 18:08 upstream 30d4efb2f5a5 65a0eece .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce WARNING in path_noexec
2025/09/30 18:38 upstream 30d4efb2f5a5 65a0eece .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-386 WARNING in path_noexec
2025/09/30 18:38 upstream 30d4efb2f5a5 65a0eece .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-386 WARNING in path_noexec
2025/10/01 08:21 upstream 4b81e2eb9e4d 65a0eece .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in path_noexec
2025/10/01 05:14 upstream 4b81e2eb9e4d 65a0eece .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in path_noexec
2025/09/30 20:52 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 20:49 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 20:43 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 20:41 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 20:41 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 18:09 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 18:08 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 18:08 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 18:07 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 18:07 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 18:04 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 20:44 upstream 30d4efb2f5a5 65a0eece .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 WARNING in path_noexec
2025/09/30 20:44 upstream 30d4efb2f5a5 65a0eece .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 WARNING in path_noexec
2025/09/30 20:44 upstream 30d4efb2f5a5 65a0eece .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 WARNING in path_noexec
2025/09/30 20:43 upstream 30d4efb2f5a5 65a0eece .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 WARNING in path_noexec
2025/09/30 20:43 upstream 30d4efb2f5a5 65a0eece .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 WARNING in path_noexec
2025/09/30 18:10 upstream 30d4efb2f5a5 65a0eece .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 WARNING in path_noexec
2025/09/30 21:02 linux-next 3b9b1f8df454 65a0eece .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING in path_noexec
2025/09/30 18:44 linux-next 3b9b1f8df454 65a0eece .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING in path_noexec
2025/09/30 18:43 linux-next 3b9b1f8df454 65a0eece .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING in path_noexec
2025/09/30 18:20 linux-next 3b9b1f8df454 65a0eece .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-rust-kasan-gce WARNING in path_noexec
2025/09/30 18:20 linux-next 3b9b1f8df454 65a0eece .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-rust-kasan-gce WARNING in path_noexec
2025/09/30 20:41 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 2213e57a69f0 65a0eece .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in path_noexec
2025/09/30 18:06 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 2213e57a69f0 65a0eece .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in path_noexec
2025/09/30 18:06 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 2213e57a69f0 65a0eece .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.