Hello, syzbot found the following issue on: HEAD commit: 22f20375f5b7 Merge tag 'pci-v6.17-fixes-3' of git://git.ke.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=1003d642580000 kernel config: https://syzkaller.appspot.com/x/.config?x=13bd892ec3b155a2 dashboard link: https://syzkaller.appspot.com/bug?extid=136ca59d411f92e821b7 compiler: aarch64-linux-gnu-gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 userspace arch: arm64 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1782f362580000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=16c09b12580000 Downloadable assets: disk image (non-bootable): https://storage.googleapis.com/syzbot-assets/fa3fbcfdac58/non_bootable_disk-22f20375.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/2e4b3490c173/vmlinux-22f20375.xz kernel image: https://storage.googleapis.com/syzbot-assets/884bdc12ee68/Image-22f20375.gz.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+136ca59d411f92e821b7@xxxxxxxxxxxxxxxxxxxxxxxxx ------------[ cut here ]------------ verifier bug: error during ctx access conversion (0)(1) WARNING: CPU: 0 PID: 3603 at kernel/bpf/verifier.c:21452 convert_ctx_accesses+0x9b0/0xb04 kernel/bpf/verifier.c:21452 Modules linked in: CPU: 0 UID: 0 PID: 3603 Comm: syz.2.17 Not tainted syzkaller #0 PREEMPT Hardware name: linux,dummy-virt (DT) pstate: 61402009 (nZCv daif +PAN -UAO -TCO +DIT -SSBS BTYPE=--) pc : convert_ctx_accesses+0x9b0/0xb04 kernel/bpf/verifier.c:21452 lr : convert_ctx_accesses+0x9b0/0xb04 kernel/bpf/verifier.c:21452 sp : ffff8000894e39e0 x29: ffff8000894e39e0 x28: fcf0000012540000 x27: 0000000000000002 x26: f4ff800083265058 x25: 0000000000000000 x24: 0000000000000000 x23: ffff8000816c4744 x22: 0000000000000004 x21: 0000000000000002 x20: 0000000000000004 x19: ffff80008242a948 x18: 0000000000000000 x17: 0000000000000000 x16: 0000000000000000 x15: 0000000000000002 x14: f6f00000086b0080 x13: 0000000000000400 x12: 000000007e4ab000 x11: 00000023a2977bad x10: f6f00000086b0080 x9 : fbf0000007523c00 x8 : 0000000000000001 x7 : f6f00000086b0080 x6 : 0000000000000002 x5 : 0000000000000297 x4 : 0000000000000297 x3 : f5f0000005c20400 x2 : 0000000000000000 x1 : 0000000000000000 x0 : f6f00000086b0000 Call trace: convert_ctx_accesses+0x9b0/0xb04 kernel/bpf/verifier.c:21452 (P) bpf_check+0x12f8/0x2aac kernel/bpf/verifier.c:24743 bpf_prog_load+0x634/0xb74 kernel/bpf/syscall.c:2979 __sys_bpf+0x2e0/0x1a3c kernel/bpf/syscall.c:6029 __do_sys_bpf kernel/bpf/syscall.c:6139 [inline] __se_sys_bpf kernel/bpf/syscall.c:6137 [inline] __arm64_sys_bpf+0x24/0x34 kernel/bpf/syscall.c:6137 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline] invoke_syscall+0x48/0x110 arch/arm64/kernel/syscall.c:49 el0_svc_common.constprop.0+0x40/0xe0 arch/arm64/kernel/syscall.c:132 do_el0_svc+0x1c/0x28 arch/arm64/kernel/syscall.c:151 el0_svc+0x34/0x10c arch/arm64/kernel/entry-common.c:879 el0t_64_sync_handler+0xa0/0xe4 arch/arm64/kernel/entry-common.c:898 el0t_64_sync+0x1a4/0x1a8 arch/arm64/kernel/entry.S:596 ---[ 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@xxxxxxxxxxxxxxxx. 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
