ERROR: (device loop2): remounting filesystem as read-only xtLookup: xtSearch returned -5 read_mapping_page failed! jfs_mount: diMount failed w/rc = -5 Unable to handle kernel NULL pointer dereference at virtual address 000000000000010b 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 user pgtable: 4k pages, 48-bit VAs, pgdp=0000000175565000 [000000000000010b] pgd=0800000173292003, p4d=0800000173292003, pud=0800000174d52003, pmd=0000000000000000 Internal error: Oops: 0000000096000006 [#1] PREEMPT SMP Modules linked in: CPU: 0 PID: 26808 Comm: syz-executor.2 Not tainted 6.1.0-rc5-syzkaller-32269-g9500fc6e9e60 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/30/2022 pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : diFree+0x5c/0xd50 fs/jfs/jfs_imap.c:871 lr : diFree+0x38/0xd50 fs/jfs/jfs_imap.c:842 sp : ffff800014fdb8d0 x29: ffff800014fdb9c0 x28: ffff000131fb9a40 x27: 0000000000000000 x26: 0000000000000010 x25: 0000000000000000 x24: ffff00011f4241a8 x23: ffff00011f4241a8 x22: 0000000000000107 x21: 0000000000000000 x20: ffff0001348f8500 x19: ffff00011f4241a8 x18: 00000000000000af x17: 0000000000000000 x16: ffff80000dc18158 x15: ffff000131fb9a40 x14: 0000000000000148 x13: 00000000ffffffff x12: 0000000000040000 x11: 0000000000011d66 x10: ffff80001dbd5000 x9 : ffff800008d5aca0 x8 : ffff000132cc9000 x7 : ffff800008625590 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000001 x3 : 0000000000000000 x2 : ffffffffffffffff x1 : 0000000000000000 x0 : ffff00011f4241a8 Call trace: diFree+0x5c/0xd50 fs/jfs/jfs_imap.c:854 jfs_evict_inode+0x170/0x1e8 fs/jfs/inode.c:156 evict+0xec/0x334 fs/inode.c:664 iput_final fs/inode.c:1747 [inline] iput+0x2c4/0x324 fs/inode.c:1773 diFreeSpecial+0x44/0x8c fs/jfs/jfs_imap.c:548 jfs_mount+0x288/0x468 fs/jfs/jfs_mount.c:191 jfs_fill_super+0x188/0x454 fs/jfs/super.c:556 mount_bdev+0x1b8/0x210 fs/super.c:1401 jfs_do_mount+0x44/0x58 fs/jfs/super.c:670 legacy_get_tree+0x30/0x74 fs/fs_context.c:610 vfs_get_tree+0x40/0x140 fs/super.c:1531 do_new_mount+0x1dc/0x4e4 fs/namespace.c:3040 path_mount+0x358/0x890 fs/namespace.c:3370 do_mount fs/namespace.c:3383 [inline] __do_sys_mount fs/namespace.c:3591 [inline] __se_sys_mount fs/namespace.c:3568 [inline] __arm64_sys_mount+0x2c4/0x3c4 fs/namespace.c:3568 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall arch/arm64/kernel/syscall.c:52 [inline] el0_svc_common+0x138/0x220 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x48/0x164 arch/arm64/kernel/syscall.c:206 el0_svc+0x58/0x150 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:584 Code: f9401697 f85802f6 a93e7fbf a93d7fbf (b94006d3) ---[ end trace 0000000000000000 ]--- ---------------- Code disassembly (best guess): 0: f9401697 ldr x23, [x20, #40] 4: f85802f6 ldur x22, [x23, #-128] 8: a93e7fbf stp xzr, xzr, [x29, #-32] c: a93d7fbf stp xzr, xzr, [x29, #-48] * 10: b94006d3 ldr w19, [x22, #4] <-- trapping instruction