loop5: detected capacity change from 0 to 32768 Unable to handle kernel paging request at virtual address dfff800000000001 Mem abort info: ESR = 0x0000000096000006 EC = 0x25: DABT (current EL), IL = 32 bits SET = 0, FnV = 0 EA = 0, S1PTW = 0 FSC = 0x06: level 2 translation fault Data abort info: ISV = 0, ISS = 0x00000006 CM = 0, WnR = 0 [dfff800000000001] address between user and kernel address ranges Internal error: Oops: 0000000096000006 [#1] PREEMPT SMP Modules linked in: CPU: 1 PID: 5521 Comm: syz.5.224 Not tainted 5.15.171-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : dtInsertEntry+0x9cc/0x1178 fs/jfs/jfs_dtree.c:4011 lr : dtInsertEntry+0x9c0/0x1178 fs/jfs/jfs_dtree.c:4011 sp : ffff8000204f6dc0 x29: ffff8000204f6f20 x28: 0000000000000002 x27: 1fffe0001cd9d750 x26: ffff0000e6ceba70 x25: ffff0000e6ceba80 x24: 0000000000000001 x23: 0000000000000000 x22: dfff800000000000 x21: ffff8000204f7400 x20: ffff8000204f6ec0 x19: 0000000000000008 x18: 0000000000000000 x17: 0000000000000002 x16: ffff8000098fbaf0 x15: 0000000000008000 x14: ffff0000c6720000 x13: 0000000000ff0100 x12: 0000000000040000 x11: 0000000000003012 x10: ffff800024f19000 x9 : 0000000000003013 x8 : 0000000000000001 x7 : ffff8000098fb010 x6 : 0000000000000000 x5 : 0000000000000000 x4 : ffff8000204f7400 x3 : ffff8000098e4ce8 x2 : 0000000000000001 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: dtInsertEntry+0x9cc/0x1178 fs/jfs/jfs_dtree.c:4011 dtInsert+0x958/0x5534 fs/jfs/jfs_dtree.c:891 jfs_create+0x698/0xa1c fs/jfs/namei.c:137 lookup_open fs/namei.c:3462 [inline] open_last_lookups fs/namei.c:3532 [inline] path_openat+0xf18/0x26cc fs/namei.c:3739 do_filp_open+0x1a8/0x3b4 fs/namei.c:3769 do_sys_openat2+0x128/0x3e0 fs/open.c:1253 do_sys_open fs/open.c:1269 [inline] __do_sys_openat fs/open.c:1285 [inline] __se_sys_openat fs/open.c:1280 [inline] __arm64_sys_openat+0x1f0/0x240 fs/open.c:1280 __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+0x7c/0x1f0 arch/arm64/kernel/entry-common.c:608 el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 Code: 97afb82c f94017e8 91002113 d343fe68 (38f66908) ---[ end trace a30a4e45eb26a173 ]--- ---------------- Code disassembly (best guess): 0: 97afb82c bl 0xfffffffffebee0b0 4: f94017e8 ldr x8, [sp, #40] 8: 91002113 add x19, x8, #0x8 c: d343fe68 lsr x8, x19, #3 * 10: 38f66908 ldrsb w8, [x8, x22] <-- trapping instruction