EXT4-fs error (device loop3): ext4_orphan_get:1427: comm syz.3.28: bad orphan inode 131083 EXT4-fs (loop3): mounted filesystem without journal. Opts: test_dummy_encryption,init_itable,noload,,errors=continue. Quota mode: none. Internal error: Oops - BTI: 0000000036000001 [#1] PREEMPT SMP Modules linked in: CPU: 1 PID: 4256 Comm: syz.3.28 Not tainted 5.15.189-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 pstate: 42400405 (nZcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=jc) pc : groups_to_user kernel/groups.c:47 [inline] pc : __do_sys_getgroups kernel/groups.c:163 [inline] pc : __se_sys_getgroups kernel/groups.c:148 [inline] pc : __arm64_sys_getgroups+0x288/0x358 kernel/groups.c:148 lr : groups_to_user kernel/groups.c:47 [inline] lr : __do_sys_getgroups kernel/groups.c:163 [inline] lr : __se_sys_getgroups kernel/groups.c:148 [inline] lr : __arm64_sys_getgroups+0x264/0x358 kernel/groups.c:148 sp : ffff80001ffe7cf0 x29: ffff80001ffe7d20 x28: 0000000000000000 x27: dfff800000000000 x26: 00000000fffffff2 x25: 0000000000000000 x24: 000000200003c000 x23: ffff0000c6e551e4 x22: 0000000000000000 x21: 1fffe00018dcaa3c x20: 00000000200003c0 x19: ffff0000c6e551c0 x18: 0000000000000000 x17: 0000000000000000 x16: ffff800008221e08 x15: 0000000000000000 x14: 0000000000000000 x13: 1ffff0000282e06b x12: 0000000000ff0100 x11: 0000000000000000 x10: 0000ffffffffffff x9 : 00000000200003c0 x8 : 00000000200003c0 x7 : ffff800008750ed4 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000001 x3 : 0000000000000001 x2 : 0000000000000008 x1 : 0000000000000001 x0 : 0000000000000000 Call trace: groups_to_user kernel/groups.c:47 [inline] __do_sys_getgroups kernel/groups.c:163 [inline] __se_sys_getgroups kernel/groups.c:148 [inline] __arm64_sys_getgroups+0x288/0x358 kernel/groups.c:148 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181 el0_svc+0x78/0x1e0 arch/arm64/kernel/entry-common.c:608 el0t_64_sync_handler+0xcc/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 Code: d503229f 2a1603fa 2a1603e0 b8000939 (2a1a03e1) ---[ end trace 2bf34bbb24b68508 ]--- ---------------- Code disassembly (best guess): 0: d503229f csdb 4: 2a1603fa mov w26, w22 8: 2a1603e0 mov w0, w22 c: b8000939 sttr w25, [x9] * 10: 2a1a03e1 mov w1, w26 <-- trapping instruction