syzbot

minix_free_block (loop0:21): bit already cleared
minix_free_block (loop0:19): bit already cleared
minix_free_block (loop0:22): bit already cleared
------------[ cut here ]------------
WARNING: CPU: 1 PID: 4431 at fs/inode.c:332 drop_nlink+0xe4/0x138 fs/inode.c:332
Modules linked in:
CPU: 1 PID: 4431 Comm: syz-executor Not tainted 6.1.148-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--)
pc : drop_nlink+0xe4/0x138 fs/inode.c:332
lr : drop_nlink+0xe4/0x138 fs/inode.c:332
sp : ffff800020927ae0
x29: ffff800020927ae0 x28: 1fffe0001d3eddb4 x27: dfff800000000000
x26: 1fffe0001d3fd00c x25: 0000000000000000 x24: ffff800020927b20
x23: 1fffe0001d3fd165 x22: dfff800000000000 x21: 0000000000000000
x20: ffff0000e9fe8b28 x19: ffff0000e9fe8ae0 x18: 0000000000000000
x17: ffff8000181e7000 x16: ffff8000082d2370 x15: 0000000000000000
x14: 000000003b9aca00 x13: 0000000000000000 x12: 0000000000ff0100
x11: ff008000089fbb34 x10: 0000000000000000 x9 : ffff8000089fbb34
x8 : ffff0000ca335340 x7 : 0000000000000000 x6 : 0000000000000030
x5 : ffff0000e9fe8b68 x4 : ffff0000e9fe80c8 x3 : ffff800008ee6054
x2 : 0000000000000010 x1 : 0000000000000000 x0 : 0000000000000000
Call trace:
 drop_nlink+0xe4/0x138 fs/inode.c:332
 inode_dec_link_count include/linux/fs.h:2582 [inline]
 minix_unlink+0xf0/0x144 fs/minix/namei.c:167
 vfs_unlink+0x2e0/0x4f4 fs/namei.c:4322
 do_unlinkat+0x31c/0x4e8 fs/namei.c:4390
 __do_sys_unlinkat fs/namei.c:4433 [inline]
 __se_sys_unlinkat fs/namei.c:4426 [inline]
 __arm64_sys_unlinkat+0xe0/0xfc fs/namei.c:4426
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x2bc arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140
 do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:204
 el0_svc+0x58/0x138 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: 159442
hardirqs last  enabled at (159441): [<ffff8000083bf590>] seqcount_lockdep_reader_access include/linux/seqlock.h:104 [inline]
hardirqs last  enabled at (159441): [<ffff8000083bf590>] ktime_get_coarse_real_ts64+0x114/0x244 kernel/time/timekeeping.c:2261
hardirqs last disabled at (159442): [<ffff800011948d00>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405
softirqs last  enabled at (158314): [<ffff800008030900>] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32
softirqs last disabled at (158312): [<ffff8000080308cc>] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19
---[ end trace 0000000000000000 ]---