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charset="UTF-8" Hello, syzbot found the following issue on: HEAD commit: 05c93f3395ed Merge branch 'for-next/core' into for-kernelci git tree: git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci console output: https://syzkaller.appspot.com/x/log.txt?x=1077da1a580000 kernel config: https://syzkaller.appspot.com/x/.config?x=3b5338ad1e59a06c dashboard link: https://syzkaller.appspot.com/bug?extid=d818ec6483755ab6b0c0 compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 userspace arch: arm64 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1518b992580000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=1212deb4580000 Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/6b5c913e373c/disk-05c93f33.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/15e75f1266ef/vmlinux-05c93f33.xz kernel image: https://storage.googleapis.com/syzbot-assets/dd930129c578/Image-05c93f33.gz.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+d818ec6483755ab6b0c0@syzkaller.appspotmail.com ------------[ 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): [] seqcount_lockdep_reader_access+0x7c/0xf8 include/linux/seqlock.h:74 hardirqs last disabled at (2148): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:412 softirqs last enabled at (1234): [] softirq_handle_end kernel/softirq.c:468 [inline] softirqs last enabled at (1234): [] handle_softirqs+0xaf8/0xc88 kernel/softirq.c:650 softirqs last disabled at (1127): [] __do_softirq+0x14/0x20 kernel/softirq.c:656 ---[ end trace 0000000000000000 ]--- --- This report is generated by a bot. It may contain errors. See https://goo.gl/tpsmEJ for more information about syzbot. syzbot engineers can be reached at syzkaller@googlegroups.com. syzbot will keep track of this issue. See: https://goo.gl/tpsmEJ#status for how to communicate with syzbot. If the report is already addressed, let syzbot know by replying with: #syz fix: exact-commit-title If you want syzbot to run the reproducer, reply with: #syz test: git://repo/address.git branch-or-commit-hash If you attach or paste a git patch, syzbot will apply it before testing. If you want to overwrite report's subsystems, reply with: #syz set subsystems: new-subsystem (See the list of subsystem names on the web dashboard) If the report is a duplicate of another one, reply with: #syz dup: exact-subject-of-another-report If you want to undo deduplication, reply with: #syz undup