------------[ cut here ]------------
WARNING: CPU: 1 PID: 3715 at fs/nilfs2/dat.c:158 nilfs_dat_prepare_end+0x2ac/0x2f4 fs/nilfs2/dat.c:158
Modules linked in:
CPU: 1 PID: 3715 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: 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 : ffff80002a797450
x29: ffff80002a797460 x28: 0000000000000000 x27: dfff800000000000
x26: ffff00012610f368 x25: dfff800000000000 x24: 0000000000000000
x23: 1fffe0001aa203d3 x22: 00000000fffffffe x21: ffff00012610c168
x20: ffff0000d5101e98 x19: ffff0000d5101eb0 x18: ffff80002a796c40
x17: ffff8000188c9000 x16: ffff80001215337c x15: 0000000000000002
x14: 00000000ffffffef x13: ffff000126541bc0 x12: 0000000000040000
x11: 00000000000279e9 x10: ffff8000262dc000 x9 : ffff800009dac3e4
x8 : 00000000000279ea x7 : ffff800008062348 x6 : ffff800008062558
x5 : ffff0000d1add8d8 x4 : ffff80002a796c60 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: 7590
hardirqs last  enabled at (7589): [<ffff8000089741dc>] kasan_quarantine_put+0xdc/0x204 mm/kasan/quarantine.c:242
hardirqs last disabled at (7590): [<ffff80001214ef04>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405
softirqs last  enabled at (7438): [<ffff800008020d7c>] softirq_handle_end kernel/softirq.c:414 [inline]
softirqs last  enabled at (7438): [<ffff800008020d7c>] __do_softirq+0xc1c/0xe38 kernel/softirq.c:600
softirqs last disabled at (7419): [<ffff80000802a99c>] ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:80
---[ end trace 0000000000000000 ]---
NILFS (loop3): error -2 truncating bmap (ino=16)