syzbot


WARNING in collect_domain_accesses

Status: upstream: reported C repro on 2025/12/10 07:54
Bug presence: origin:lts-only
[Documentation on labels]
Reported-by: syzbot+7148617bf2c2bd21c798@syzkaller.appspotmail.com
First crash: 33d, last: 19d
Bug presence (2)
Date Name Commit Repro Result
2025/12/10 linux-6.1.y (ToT) 50cbba13faa2 C [report] WARNING in collect_domain_accesses
2025/12/10 upstream (ToT) 0048fbb4011e C Didn't crash
Similar bugs (3)
Kernel Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-6.6 WARNING in collect_domain_accesses origin:lts-only -1 C 6 17d 19d 0/2 upstream: reported C repro on 2025/12/24 23:42
upstream WARNING in collect_domain_accesses lsm -1 C done 3 600d 612d 25/29 fixed on 2024/06/11 03:41
upstream WARNING in collect_domain_accesses (2) lsm -1 C 10 33d 32d 0/29 upstream: reported C repro on 2025/12/11 06:22
Fix bisection attempts (1)
Created Duration User Patch Repo Result
2025/12/18 06:44 1h13m fix candidate upstream OK (0) job log

Sample crash report:
------------[ cut here ]------------
WARNING: CPU: 1 PID: 4514 at security/landlock/fs.c:752 collect_domain_accesses+0x6d8/0x738 security/landlock/fs.c:-1
Modules linked in:
CPU: 1 PID: 4514 Comm: syz.0.17 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025
pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--)
pc : collect_domain_accesses+0x6d8/0x738 security/landlock/fs.c:-1
lr : collect_domain_accesses+0x6d4/0x738 security/landlock/fs.c:752
sp : ffff800020e078c0
x29: ffff800020e07900 x28: 0000000000000001 x27: ffff800020e079fa
x26: ffff0000deaf60ac x25: 0000000000000000 x24: ffff0000ea6a7028
x23: 0000000000002004 x22: ffffffffffffffff x21: ffffffffffffffff
x20: ffff0000ea6aba70 x19: 0000000000000000 x18: 0000000000000000
x17: 0000000000000000 x16: ffff8000082d2558 x15: 0000000000000000
x14: 00000000118fa6bc x13: 1ffff00002a0a0b1 x12: 0000000000ff0100
x11: ff0080000a547038 x10: 0000000000000000 x9 : ffff80000a547038
x8 : ffff0000d352d340 x7 : ffff80000a5427f0 x6 : 0000000000000000
x5 : 0000000000000000 x4 : 0000000000000000 x3 : 0000000000000002
x2 : 0000000000000008 x1 : ffff800011a5e980 x0 : ffff0000ea6a7078
Call trace:
 collect_domain_accesses+0x6d8/0x738 security/landlock/fs.c:-1
 current_check_refer_path+0x3e0/0x7a4 security/landlock/fs.c:883
 hook_path_rename+0x4c/0x60 security/landlock/fs.c:1112
 security_path_rename+0x154/0x1f0 security/security.c:1217
 do_renameat2+0x5ac/0xa54 fs/namei.c:5022
 __do_sys_renameat2 fs/namei.c:5068 [inline]
 __se_sys_renameat2 fs/namei.c:5065 [inline]
 __arm64_sys_renameat2+0xe0/0xfc fs/namei.c:5065
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x2bc arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140
 do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:204
 el0_svc+0x58/0x138 arch/arm64/kernel/entry-common.c:637
 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655
 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585
irq event stamp: 2464
hardirqs last  enabled at (2463): [<ffff80000892aa90>] mod_objcg_state+0x338/0x500 mm/memcontrol.c:3217
hardirqs last disabled at (2464): [<ffff8000118fa220>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405
softirqs last  enabled at (2434): [<ffff8000080309e0>] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32
softirqs last disabled at (2432): [<ffff8000080309ac>] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19
---[ end trace 0000000000000000 ]---

Crashes (18):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2025/12/10 10:20 linux-6.1.y 50cbba13faa2 d6526ea3 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in collect_domain_accesses
2025/12/10 09:32 linux-6.1.y 50cbba13faa2 d6526ea3 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in collect_domain_accesses
2025/12/10 08:42 linux-6.1.y 50cbba13faa2 d6526ea3 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in collect_domain_accesses
2025/12/24 23:53 linux-6.1.y 50cbba13faa2 d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in collect_domain_accesses
2025/12/24 23:53 linux-6.1.y 50cbba13faa2 d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in collect_domain_accesses
2025/12/10 22:32 linux-6.1.y 50cbba13faa2 d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in collect_domain_accesses
2025/12/10 22:30 linux-6.1.y 50cbba13faa2 d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in collect_domain_accesses
2025/12/10 09:17 linux-6.1.y 50cbba13faa2 d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in collect_domain_accesses
2025/12/10 09:16 linux-6.1.y 50cbba13faa2 d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in collect_domain_accesses
2025/12/10 09:14 linux-6.1.y 50cbba13faa2 d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in collect_domain_accesses
2025/12/24 23:32 linux-6.1.y 50cbba13faa2 d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in collect_domain_accesses
2025/12/24 23:31 linux-6.1.y 50cbba13faa2 d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in collect_domain_accesses
2025/12/24 23:31 linux-6.1.y 50cbba13faa2 d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in collect_domain_accesses
2025/12/10 21:48 linux-6.1.y 50cbba13faa2 d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in collect_domain_accesses
2025/12/10 21:47 linux-6.1.y 50cbba13faa2 d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in collect_domain_accesses
2025/12/10 07:57 linux-6.1.y 50cbba13faa2 d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in collect_domain_accesses
2025/12/10 07:55 linux-6.1.y 50cbba13faa2 d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in collect_domain_accesses
2025/12/10 07:53 linux-6.1.y 50cbba13faa2 d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in collect_domain_accesses
* Struck through repros no longer work on HEAD.