syzbot


WARNING in collect_domain_accesses (2)

Status: upstream: reported C repro on 2025/12/11 06:22
Subsystems: lsm
[Documentation on labels]
Reported-by: syzbot+d818ec6483755ab6b0c0@syzkaller.appspotmail.com
First crash: 1d15h, last: 1d01h
Discussions (1)
Title Replies (including bot) Last reply
[syzbot] [lsm?] WARNING in collect_domain_accesses (2) 0 (1) 2025/12/11 06:22
Similar bugs (2)
Kernel Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream WARNING in collect_domain_accesses lsm -1 C done 3 568d 580d 25/29 fixed on 2024/06/11 03:41
linux-6.1 WARNING in collect_domain_accesses origin:lts-only -1 C 13 1d00h 1d15h 0/3 upstream: reported C repro on 2025/12/10 07:54

Sample crash report:
------------[ cut here ]------------
WARNING: CPU: 0 PID: 6724 at security/landlock/fs.c:1066 collect_domain_accesses+0x208/0x258 security/landlock/fs.c:-1
Modules linked in:
CPU: 0 UID: 0 PID: 6724 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025
pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--)
pc : collect_domain_accesses+0x208/0x258 security/landlock/fs.c:-1
lr : collect_domain_accesses+0x204/0x258 security/landlock/fs.c:1066
sp : ffff8000a0fc7830
x29: ffff8000a0fc7830 x28: ffff0000ed05d608 x27: ffff8000a0fc7c48
x26: ffff7000141f8f20 x25: dfff800000000000 x24: ffff0000ed01aeb0
x23: 0000000000002004 x22: ffff0000ed01aeb0 x21: ffff0000eb595700
x20: ffff0000ed05d608 x19: 0000000000000000 x18: 0000000000000000
x17: 0000000000000000 x16: ffff800082defd48 x15: 0000000000000001
x14: 0000000000000000 x13: 0000000000000002 x12: 0000000000ff0100
x11: ffff0000c66f0000 x10: 0000000000ff0100 x9 : 0000000000000000
x8 : ffff0000c66f0000 x7 : ffff800082a23b24 x6 : 0000000000000000
x5 : 0000000000000000 x4 : 0000000000000000 x3 : 0000000000000010
x2 : ffff8000a0fc7920 x1 : 0000000000002004 x0 : ffff0000ed01af00
Call trace:
 collect_domain_accesses+0x208/0x258 security/landlock/fs.c:-1 (P)
 current_check_refer_path+0x4e8/0xaec security/landlock/fs.c:1202
 hook_path_rename+0x4c/0x60 security/landlock/fs.c:1524
 security_path_rename+0x1dc/0x444 security/security.c:2065
 do_renameat2+0x4b4/0x8a0 fs/namei.c:5352
 __do_sys_renameat2 fs/namei.c:5398 [inline]
 __se_sys_renameat2 fs/namei.c:5395 [inline]
 __arm64_sys_renameat2+0xd8/0xf4 fs/namei.c:5395
 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline]
 invoke_syscall+0x98/0x254 arch/arm64/kernel/syscall.c:49
 el0_svc_common+0xe8/0x23c arch/arm64/kernel/syscall.c:132
 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151
 el0_svc+0x5c/0x254 arch/arm64/kernel/entry-common.c:724
 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:743
 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596
irq event stamp: 2148
hardirqs last  enabled at (2147): [<ffff800080dcd64c>] seqcount_lockdep_reader_access+0x7c/0xf8 include/linux/seqlock.h:74
hardirqs last disabled at (2148): [<ffff80008adf99f4>] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:412
softirqs last  enabled at (1234): [<ffff8000803d9408>] softirq_handle_end kernel/softirq.c:468 [inline]
softirqs last  enabled at (1234): [<ffff8000803d9408>] handle_softirqs+0xaf8/0xc88 kernel/softirq.c:650
softirqs last disabled at (1127): [<ffff800080022024>] __do_softirq+0x14/0x20 kernel/softirq.c:656
---[ end trace 0000000000000000 ]---

Crashes (10):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2025/12/10 11:18 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 05c93f3395ed d6526ea3 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in collect_domain_accesses
2025/12/10 10:18 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 05c93f3395ed d6526ea3 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in collect_domain_accesses
2025/12/10 09:26 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 05c93f3395ed d6526ea3 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in collect_domain_accesses
2025/12/10 08:26 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 05c93f3395ed d6526ea3 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in collect_domain_accesses
2025/12/10 21:41 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 05c93f3395ed d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in collect_domain_accesses
2025/12/10 21:40 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 05c93f3395ed d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in collect_domain_accesses
2025/12/10 21:40 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 05c93f3395ed d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in collect_domain_accesses
2025/12/10 07:30 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 05c93f3395ed d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in collect_domain_accesses
2025/12/10 07:29 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 05c93f3395ed d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in collect_domain_accesses
2025/12/10 07:29 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 05c93f3395ed d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in collect_domain_accesses
* Struck through repros no longer work on HEAD.