loop3: detected capacity change from 0 to 2048 ------------[ cut here ]------------ WARNING: CPU: 0 PID: 16355 at fs/nilfs2/dat.c:158 nilfs_dat_prepare_end+0x2ac/0x2f4 fs/nilfs2/dat.c:158 Modules linked in: CPU: 0 PID: 16355 Comm: syz-executor.3 Not tainted 6.1.77-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 pstate: 60400005 (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 : ffff8000226f7450 x29: ffff8000226f7460 x28: 0000000000000000 x27: dfff800000000000 x26: ffff00011ae40680 x25: dfff800000000000 x24: 0000000000000000 x23: 1fffe0001a56dc43 x22: 00000000fffffffe x21: ffff00011ae427c8 x20: ffff0000d2b6e218 x19: ffff0000d2b6e230 x18: ffff8000226f6c40 x17: ffff8000188c9000 x16: ffff80001215337c x15: 0000000000000002 x14: 00000000ffffffef x13: ffff000149c49bc0 x12: 0000000000040000 x11: 000000000003ffff x10: ffff8000525cb000 x9 : ffff800009dac3e4 x8 : 0000000000040000 x7 : ffff800008062348 x6 : ffff800008062558 x5 : ffff0000db647c48 x4 : ffff8000226f6c60 x3 : ffff800008b3219c 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:184 [inline] nilfs_bmap_do_truncate fs/nilfs2/bmap.c:272 [inline] nilfs_bmap_truncate+0x2a0/0x4c0 fs/nilfs2/bmap.c:305 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:990 notify_change+0xb58/0xe1c fs/attr.c:499 do_truncate+0x1c0/0x28c fs/open.c:65 vfs_truncate+0x2c4/0x36c fs/open.c:111 do_sys_truncate+0xec/0x1b4 fs/open.c:134 __do_sys_truncate fs/open.c:146 [inline] __se_sys_truncate fs/open.c:144 [inline] __arm64_sys_truncate+0x5c/0x70 fs/open.c:144 __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:585 irq event stamp: 7960 hardirqs last enabled at (7959): [] kasan_quarantine_put+0xdc/0x204 mm/kasan/quarantine.c:242 hardirqs last disabled at (7960): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (7340): [] softirq_handle_end kernel/softirq.c:414 [inline] softirqs last enabled at (7340): [] __do_softirq+0xc1c/0xe38 kernel/softirq.c:600 softirqs last disabled at (7317): [] ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:80 ---[ end trace 0000000000000000 ]--- NILFS (loop3): error -2 truncating bmap (ino=16)