loop5: detected capacity change from 0 to 32768 XFS (loop5): Mounting V5 Filesystem XFS (loop5): Ending clean mount XFS (loop5): Quotacheck needed: Please wait. XFS (loop5): Quotacheck: Done. Unable to handle kernel paging request at virtual address dfff800000000001 KASAN: null-ptr-deref in range [0x0000000000000008-0x000000000000000f] 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: 0 PID: 1189 Comm: syz-executor.5 Not tainted 6.1.34-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/25/2023 pstate: 40400005 (nZcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : xfs_free_extent_fix_freelist fs/xfs/libxfs/xfs_alloc.c:3358 [inline] pc : __xfs_free_extent+0x180/0x500 fs/xfs/libxfs/xfs_alloc.c:3407 lr : xfs_free_extent_fix_freelist fs/xfs/libxfs/xfs_alloc.c:3355 [inline] lr : __xfs_free_extent+0x12c/0x500 fs/xfs/libxfs/xfs_alloc.c:3407 sp : ffff800021d47280 x29: ffff800021d473e0 x28: 000000000000000d x27: 0000000000000001 x26: dfff800000000000 x25: 0000000000000000 x24: ffff0000cc254000 x23: ffff0000cc254000 x22: ffff800021d472f0 x21: ffff800021d472e0 x20: 0000000000000008 x19: ffff7000043a8e58 x18: ffff800021d46f60 x17: ffff800009be06d8 x16: ffff800012054680 x15: ffff800008a82620 x14: 1ffff00002ab80b0 x13: dfff800000000000 x12: 0000000000000010 x11: 1ffff000043a8e5e x10: 0000000000000000 x9 : 0000000000000000 x8 : 0000000000000001 x7 : 0000000000000000 x6 : 000000000000003f x5 : 0000000000000040 x4 : ffffffffffffffd0 x3 : 0000000000000030 x2 : 0000000000000000 x1 : 0000000000000000 x0 : ffff800021d472e8 Call trace: xfs_free_extent_fix_freelist fs/xfs/libxfs/xfs_alloc.c:3358 [inline] __xfs_free_extent+0x180/0x500 fs/xfs/libxfs/xfs_alloc.c:3407 xfs_free_extent fs/xfs/libxfs/xfs_alloc.h:147 [inline] xfs_ag_extend_space+0x2d4/0x4d0 fs/xfs/libxfs/xfs_ag.c:985 xfs_resizefs_init_new_ags+0x29c/0x320 fs/xfs/xfs_fsops.c:77 xfs_growfs_data_private fs/xfs/xfs_fsops.c:151 [inline] xfs_growfs_data+0x7cc/0xe0c fs/xfs/xfs_fsops.c:294 xfs_file_ioctl+0x18a0/0x24f0 fs/xfs/xfs_ioctl.c:2068 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:870 [inline] __se_sys_ioctl fs/ioctl.c:856 [inline] __arm64_sys_ioctl+0x14c/0x1c8 fs/ioctl.c:856 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2c0 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x64/0x218 arch/arm64/kernel/syscall.c:206 el0_svc+0x58/0x168 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:581 Code: 97bc8fba 91002334 f90037f7 d343fe88 (38fa6908) ---[ end trace 0000000000000000 ]--- ---------------- Code disassembly (best guess): 0: 97bc8fba bl 0xfffffffffef23ee8 4: 91002334 add x20, x25, #0x8 8: f90037f7 str x23, [sp, #104] c: d343fe88 lsr x8, x20, #3 * 10: 38fa6908 ldrsb w8, [x8, x26] <-- trapping instruction