loop0: detected capacity change from 0 to 2048 ------------[ cut here ]------------ WARNING: CPU: 0 PID: 3960 at fs/nilfs2/dat.c:158 nilfs_dat_prepare_end+0x2ac/0x2f4 fs/nilfs2/dat.c:158 Modules linked in: CPU: 0 PID: 3960 Comm: syz-executor178 Not tainted 5.15.110-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/14/2023 pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : nilfs_dat_prepare_end+0x2ac/0x2f4 fs/nilfs2/dat.c:158 lr : nilfs_dat_prepare_end+0x2ac/0x2f4 fs/nilfs2/dat.c:158 sp : ffff800018e86f50 x29: ffff800018e86f60 x28: 0000000000000000 x27: dfff800000000000 x26: ffff0000dc9d8680 x25: dfff800000000000 x24: 0000000000000000 x23: 1fffe0001821a973 x22: 00000000fffffffe x21: ffff0000dfc10158 x20: ffff0000c10d4b98 x19: ffff0000c10d4bb0 x18: 0000000000000000 x17: ff80800009c9fa90 x16: 0000000000000000 x15: ffff800009c9fa90 x14: 00000000ffffffef x13: ffffffffffffffff x12: 0000000000000000 x11: ff80800009cb9a58 x10: 0000000000000000 x9 : ffff800009cb9a58 x8 : ffff0000c8c48000 x7 : 0000000000000000 x6 : ffff80000805cb20 x5 : ffff0000c7b42c78 x4 : 0000000000000000 x3 : ffff800008a67fcc x2 : 0000000000000001 x1 : 00000000fffffffe x0 : 00000000fffffffe Call trace: nilfs_dat_prepare_end+0x2ac/0x2f4 fs/nilfs2/dat.c:158 nilfs_bmap_prepare_end_ptr fs/nilfs2/bmap.h:211 [inline] nilfs_btree_prepare_delete fs/nilfs2/btree.c:1451 [inline] nilfs_btree_delete+0x6f0/0x11bc fs/nilfs2/btree.c:1599 nilfs_bmap_do_delete fs/nilfs2/bmap.c:176 [inline] nilfs_bmap_do_truncate fs/nilfs2/bmap.c:264 [inline] nilfs_bmap_truncate+0x2a0/0x4c0 fs/nilfs2/bmap.c:297 nilfs_truncate_bmap+0x198/0x314 fs/nilfs2/inode.c:850 nilfs_truncate+0x1f8/0x404 fs/nilfs2/inode.c:880 nilfs_setattr+0x1d4/0x278 fs/nilfs2/inode.c:976 notify_change+0xac4/0xd60 fs/attr.c:488 do_truncate+0x1c0/0x28c fs/open.c:65 handle_truncate fs/namei.c:3195 [inline] do_open fs/namei.c:3542 [inline] path_openat+0x20e8/0x26f0 fs/namei.c:3672 do_filp_open+0x1a8/0x3b4 fs/namei.c:3699 do_sys_openat2+0x128/0x3d8 fs/open.c:1211 do_sys_open fs/open.c:1227 [inline] __do_sys_openat fs/open.c:1243 [inline] __se_sys_openat fs/open.c:1238 [inline] __arm64_sys_openat+0x1f0/0x240 fs/open.c:1238 __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:596 el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:614 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 irq event stamp: 20296 hardirqs last enabled at (20295): [] kasan_quarantine_put+0xdc/0x204 mm/kasan/quarantine.c:231 hardirqs last disabled at (20296): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:387 softirqs last enabled at (19880): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:31 softirqs last disabled at (19878): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:18 ---[ end trace f0dfde79dd6abecb ]--- NILFS (loop0): error -2 truncating bmap (ino=16)