loop3: detected capacity change from 0 to 32768 ocfs2: Slot 0 on device (7,3) was already allocated to this node! ocfs2: Mounting device (7,3) on (node local, slot 0) with ordered data mode. Unable to handle kernel paging request at virtual address dfff800000000001 KASAN: null-ptr-deref in range [0x0000000000000008-0x000000000000000f] Mem abort info: ESR = 0x0000000096000005 EC = 0x25: DABT (current EL), IL = 32 bits SET = 0, FnV = 0 EA = 0, S1PTW = 0 FSC = 0x05: level 1 translation fault Data abort info: ISV = 0, ISS = 0x00000005, ISS2 = 0x00000000 CM = 0, WnR = 0, TnD = 0, TagAccess = 0 GCS = 0, Overlay = 0, DirtyBit = 0, Xs = 0 [dfff800000000001] address between user and kernel address ranges Internal error: Oops: 0000000096000005 [#1] PREEMPT SMP Modules linked in: CPU: 1 UID: 0 PID: 8408 Comm: syz.3.343 Not tainted 6.13.0-rc3-syzkaller-g573067a5a685 #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 : ocfs2_find_dir_space_id fs/ocfs2/dir.c:3407 [inline] pc : ocfs2_prepare_dir_for_insert+0x2c50/0x5018 fs/ocfs2/dir.c:4271 lr : ocfs2_find_dir_space_id fs/ocfs2/dir.c:3370 [inline] lr : ocfs2_prepare_dir_for_insert+0x2a8c/0x5018 fs/ocfs2/dir.c:4271 sp : ffff8000a1f967e0 x29: ffff8000a1f97080 x28: dfff800000000000 x27: ffff0000ddcc6c38 x26: 1fffe0001955d002 x25: ffff7000143f2d3c x24: ffff8000a1f96fe0 x23: ffff0000caae8010 x22: 000000000000001c x21: ffff000156164200 x20: 0000000000000009 x19: 0000000000000000 x18: ffff8000a1f971a0 x17: 0000000000042e94 x16: ffff800083275834 x15: 0000000000000001 x14: 1fffe0001bb98d91 x13: 0000000000000000 x12: 0000000000000000 x11: 0000000000080000 x10: 0000000000001781 x9 : ffff8000ac7c4000 x8 : 0000000000000001 x7 : ffff8000821e3138 x6 : ffff8000a1f96f00 x5 : ffff8000a1f97330 x4 : 000000000000000e x3 : ffff8000821948ac x2 : 0000000000000000 x1 : 0000000000000008 x0 : 0000000000000008 Call trace: ocfs2_find_dir_space_id fs/ocfs2/dir.c:3407 [inline] (P) ocfs2_prepare_dir_for_insert+0x2c50/0x5018 fs/ocfs2/dir.c:4271 (P) ocfs2_mknod+0x830/0x2438 fs/ocfs2/namei.c:294 ocfs2_create+0x194/0x4d4 fs/ocfs2/namei.c:674 lookup_open fs/namei.c:3649 [inline] open_last_lookups fs/namei.c:3748 [inline] path_openat+0x13e4/0x2b14 fs/namei.c:3984 do_filp_open+0x1e8/0x404 fs/namei.c:4014 do_sys_openat2+0x124/0x1b8 fs/open.c:1402 do_sys_open fs/open.c:1417 [inline] __do_sys_openat fs/open.c:1433 [inline] __se_sys_openat fs/open.c:1428 [inline] __arm64_sys_openat+0x1f0/0x240 fs/open.c:1428 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:49 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:132 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151 el0_svc+0x54/0x168 arch/arm64/kernel/entry-common.c:744 el0t_64_sync_handler+0x84/0x108 arch/arm64/kernel/entry-common.c:762 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:600 Code: 91002260 91002674 d343fc08 f940b7f8 (38fc6908) ---[ end trace 0000000000000000 ]--- ---------------- Code disassembly (best guess): 0: 91002260 add x0, x19, #0x8 4: 91002674 add x20, x19, #0x9 8: d343fc08 lsr x8, x0, #3 c: f940b7f8 ldr x24, [sp, #360] * 10: 38fc6908 ldrsb w8, [x8, x28] <-- trapping instruction