------------[ cut here ]------------ WARNING: CPU: 0 PID: 7944 at fs/nilfs2/dat.c:158 nilfs_dat_prepare_end+0x2ac/0x2f4 fs/nilfs2/dat.c:158 Modules linked in: CPU: 0 PID: 7944 Comm: syz-executor.3 Not tainted 6.2.0-syzkaller-18300-g2ebd1fbb946d #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023 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 : ffff800020d66ff0 x29: ffff800020d67000 x28: 1fffe00026087689 x27: 1fffe0002608766c x26: dfff800000000000 x25: dfff800000000000 x24: 0000000001000008 x23: 1ffff000041ace10 x22: 00000000fffffffe x21: ffff000130438158 x20: ffff800020d67080 x19: ffff800020d67098 x18: ffff800020d66600 x17: ffff800015b8d000 x16: 0000000000000000 x15: 0000000000000000 x14: 0000000000000002 x13: 00000000ffffffef x12: 0000000000040000 x11: 0000000000035253 x10: ffff80001fb49000 x9 : ffff800009e1c2b0 x8 : 0000000000035254 x7 : ffff800008064ac0 x6 : ffff800008064cd0 x5 : ffff0000cf5afd40 x4 : ffff800020d66808 x3 : ffff800008b36a88 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_direct_delete+0x154/0x2c0 fs/nilfs2/direct.c:155 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:846 nilfs_truncate+0x1f8/0x404 fs/nilfs2/inode.c:876 nilfs_setattr+0x1d4/0x278 fs/nilfs2/inode.c:972 notify_change+0xc24/0xec0 fs/attr.c:482 do_truncate+0x1c0/0x28c fs/open.c:65 handle_truncate fs/namei.c:3216 [inline] do_open fs/namei.c:3561 [inline] path_openat+0x1fa4/0x2578 fs/namei.c:3714 do_filp_open+0x1bc/0x3cc fs/namei.c:3741 do_sys_openat2+0x128/0x3d8 fs/open.c:1310 do_sys_open fs/open.c:1326 [inline] __do_sys_openat fs/open.c:1342 [inline] __se_sys_openat fs/open.c:1337 [inline] __arm64_sys_openat+0x1f0/0x240 fs/open.c:1337 __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+0x64/0x198 arch/arm64/kernel/syscall.c:193 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+0x190/0x194 arch/arm64/kernel/entry.S:591 irq event stamp: 10714 hardirqs last enabled at (10713): [] kasan_quarantine_put+0x1a0/0x1c8 mm/kasan/quarantine.c:242 hardirqs last disabled at (10714): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (10668): [] softirq_handle_end kernel/softirq.c:414 [inline] softirqs last enabled at (10668): [] __do_softirq+0xd4c/0xfa4 kernel/softirq.c:600 softirqs last disabled at (10645): [] ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:80 ---[ end trace 0000000000000000 ]--- NILFS (loop3): error -2 truncating bmap (ino=16)