------------[ cut here ]------------
WARNING: CPU: 0 PID: 4560 at fs/buffer.c:1081 mark_buffer_dirty+0x328/0x5c0 fs/buffer.c:1081
Modules linked in:
CPU: 0 PID: 4560 Comm: syz.0.38 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026
pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--)
pc : mark_buffer_dirty+0x328/0x5c0 fs/buffer.c:1081
lr : mark_buffer_dirty+0x328/0x5c0 fs/buffer.c:1081
sp : ffff8000211b7680
x29: ffff8000211b7680 x28: 0000000000000000 x27: dfff800000000000
x26: 0000000000000008 x25: 0000000000000000 x24: ffff0000c0624828
x23: ffff0000eba9d400 x22: ffff0000c0624850 x21: 0000000000000000
x20: 000000000000041a x19: ffff0000c0624828 x18: 0000000000000000
x17: 0000000000000000 x16: ffff8000082f2d78 x15: 0000000000000000
x14: 0000000000000001 x13: 1fffe000180c4905 x12: 0000000000000000
x11: ff00800008a9ffe8 x10: 0000000000000000 x9 : ffff800008a9ffe8
x8 : ffff0000da455400 x7 : ffff800008f13700 x6 : 0000000000000000
x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff800008a9fcf0
x2 : 0000000000000000 x1 : 0000000000000000 x0 : 0000000000000000
Call trace:
 mark_buffer_dirty+0x328/0x5c0 fs/buffer.c:1081
 minix_new_inode+0x28c/0x4a8 fs/minix/bitmap.c:249
 minix_mknod+0xc4/0x194 fs/minix/namei.c:45
 minix_create+0x38/0x4c fs/minix/namei.c:71
 lookup_open fs/namei.c:3533 [inline]
 open_last_lookups fs/namei.c:3601 [inline]
 path_openat+0xda8/0x27a0 fs/namei.c:3831
 do_filp_open+0x198/0x38c fs/namei.c:3861
 do_sys_openat2+0x134/0x3fc fs/open.c:1320
 do_sys_open fs/open.c:1336 [inline]
 __do_sys_openat fs/open.c:1352 [inline]
 __se_sys_openat fs/open.c:1347 [inline]
 __arm64_sys_openat+0x11c/0x150 fs/open.c:1347
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x290 arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x13c/0x258 arch/arm64/kernel/syscall.c:140
 do_el0_svc+0x5c/0x134 arch/arm64/kernel/syscall.c:204
 el0_svc+0x58/0x128 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: 2102
hardirqs last  enabled at (2101): [<ffff800008948e04>] mod_objcg_state+0x32c/0x4f0 mm/memcontrol.c:3217
hardirqs last disabled at (2102): [<ffff800011bb2834>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405
softirqs last  enabled at (2014): [<ffff800008031254>] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32
softirqs last disabled at (2012): [<ffff800008031220>] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19
---[ end trace 0000000000000000 ]---