WARNING: CPU: 0 PID: 25996 at fs/fs-writeback.c:1678 writeback_single_inode+0x374/0x388 fs/fs-writeback.c:1678 Modules linked in: CPU: 0 PID: 25996 Comm: syz-executor.2 Not tainted 6.0.0-rc3-syzkaller-16800-g85413d1e802e #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : writeback_single_inode+0x374/0x388 fs/fs-writeback.c:1678 lr : writeback_single_inode+0x374/0x388 fs/fs-writeback.c:1678 sp : ffff80001437b9c0 x29: ffff80001437ba10 x28: 0000000000000000 x27: 0000000000000a00 x26: 0000000000000010 x25: 0000000000000000 x24: 0000000000000001 x23: 0000000000001000 x22: ffff80001437ba60 x21: 0000000000000000 x20: ffff0000f57524d7 x19: ffff0000f5752560 x18: 00000000000000c3 x17: 0000000000000000 x16: ffff80000dbb8658 x15: ffff0000f62c9a80 x14: 0000000000000178 x13: 00000000ffffffff x12: 0000000000040000 x11: 000000000002881b x10: ffff800018ab8000 x9 : ffff8000086201c8 x8 : 000000000002881c x7 : ffff80000861fe98 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000001 x3 : 0000000000000000 x2 : 0000000000000001 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: writeback_single_inode+0x374/0x388 fs/fs-writeback.c:1678 write_inode_now+0xb0/0xdc fs/fs-writeback.c:2723 iput_final fs/inode.c:1735 [inline] iput+0x1d4/0x314 fs/inode.c:1774 ntfs_fill_super+0x1254/0x14a4 fs/ntfs/super.c:188 get_tree_bdev+0x1e8/0x2a0 fs/super.c:1323 ntfs_fs_get_tree+0x28/0x38 fs/ntfs3/super.c:1358 vfs_get_tree+0x40/0x140 fs/super.c:1530 do_new_mount+0x1dc/0x4e4 fs/namespace.c:3040 path_mount+0x358/0x914 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+0x2f8/0x408 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+0x48/0x154 arch/arm64/kernel/syscall.c:206 el0_svc+0x58/0x150 arch/arm64/kernel/entry-common.c:624 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:642 el0t_64_sync+0x18c/0x190 irq event stamp: 7144 hardirqs last enabled at (7143): [] __exit_to_kernel_mode arch/arm64/kernel/entry-common.c:84 [inline] hardirqs last enabled at (7143): [] exit_to_kernel_mode+0xe8/0x118 arch/arm64/kernel/entry-common.c:94 hardirqs last disabled at (7144): [] el1_dbg+0x24/0x5c arch/arm64/kernel/entry-common.c:395 softirqs last enabled at (6224): [] _stext+0x2e4/0x37c softirqs last disabled at (6205): [] do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline] softirqs last disabled at (6205): [] invoke_softirq+0x70/0xbc kernel/softirq.c:452 ---[ end trace 0000000000000000 ]--- Unable to handle kernel paging request at virtual address 000000f575270147 Mem abort info: ESR = 0x0000000096000004 EC = 0x25: DABT (current EL), IL = 32 bits SET = 0, FnV = 0 EA = 0, S1PTW = 0 FSC = 0x04: level 0 translation fault Data abort info: ISV = 0, ISS = 0x00000004 CM = 0, WnR = 0 user pgtable: 4k pages, 48-bit VAs, pgdp=0000000135303000 [000000f575270147] pgd=0000000000000000, p4d=0000000000000000 Internal error: Oops: 96000004 [#1] PREEMPT SMP Modules linked in: CPU: 0 PID: 25996 Comm: syz-executor.2 Tainted: G W 6.0.0-rc3-syzkaller-16800-g85413d1e802e #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : xa_marked include/linux/xarray.h:420 [inline] pc : mapping_tagged include/linux/fs.h:461 [inline] pc : writeback_single_inode+0x228/0x388 fs/fs-writeback.c:1703 lr : writeback_single_inode+0x218/0x388 fs/fs-writeback.c:1702 sp : ffff80001437b9c0 x29: ffff80001437ba10 x28: 0000000000000000 x27: 0000000000000a00 x26: 0000000000000010 x25: 0000000000001000 x24: 0000000000000001 x23: 0000000000000001 x22: ffff80001437ba60 x21: ffff0000f57525af x20: ffff0000f57524d7 x19: ffff0000f5752560 x18: 00000000000000c3 x17: 0000000000000000 x16: ffff80000dbb8658 x15: ffff0000f62c9a80 x14: 0000000000000178 x13: 00000000ffffffff x12: 0000000000040000 x11: ff8080000862006c x10: 0000000000000002 x9 : ffff0000f62c9a80 x8 : ff0000f5752700ff x7 : ffff80000861fe98 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000001 x3 : 0000000000000000 x2 : 0000000000000001 x1 : 0000000000000001 x0 : 0000000000000000 Call trace: xa_marked include/linux/xarray.h:420 [inline] mapping_tagged include/linux/fs.h:461 [inline] writeback_single_inode+0x228/0x388 fs/fs-writeback.c:1703 write_inode_now+0xb0/0xdc fs/fs-writeback.c:2723 iput_final fs/inode.c:1735 [inline] iput+0x1d4/0x314 fs/inode.c:1774 ntfs_fill_super+0x1254/0x14a4 fs/ntfs/super.c:188 get_tree_bdev+0x1e8/0x2a0 fs/super.c:1323 ntfs_fs_get_tree+0x28/0x38 fs/ntfs3/super.c:1358 vfs_get_tree+0x40/0x140 fs/super.c:1530 do_new_mount+0x1dc/0x4e4 fs/namespace.c:3040 path_mount+0x358/0x914 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+0x2f8/0x408 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+0x48/0x154 arch/arm64/kernel/syscall.c:206 el0_svc+0x58/0x150 arch/arm64/kernel/entry-common.c:624 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:642 el0t_64_sync+0x18c/0x190 Code: 710006ff 54000281 f9401a88 2a1f03e0 (b9404917) ---[ end trace 0000000000000000 ]--- ---------------- Code disassembly (best guess): 0: 710006ff cmp w23, #0x1 4: 54000281 b.ne 0x54 // b.any 8: f9401a88 ldr x8, [x20, #48] c: 2a1f03e0 mov w0, wzr * 10: b9404917 ldr w23, [x8, #72] <-- trapping instruction