------------[ cut here ]------------ WARNING: CPU: 1 PID: 4988 at fs/buffer.c:1081 mark_buffer_dirty+0x330/0x624 fs/buffer.c:1081 Modules linked in: CPU: 1 PID: 4988 Comm: segctord Not tainted 6.1.125-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : mark_buffer_dirty+0x330/0x624 fs/buffer.c:1081 lr : mark_buffer_dirty+0x330/0x624 fs/buffer.c:1081 sp : ffff800021e57550 x29: ffff800021e57550 x28: ffff0000cc6ed328 x27: ffff800021e578c0 x26: ffff0000e44c07a0 x25: ffff0000d9db0820 x24: dfff800000000000 x23: ffff0000e44c6688 x22: ffff0000e44c07b0 x21: dfff800000000000 x20: 0000000000000008 x19: ffff0000df63acb0 x18: ffff800021197aa8 x17: ffff80019e31d000 x16: ffff800008319a90 x15: 0000000000010000 x14: 1ffff00002b520b2 x13: dfff800000000000 x12: 0000000000000001 x11: 0000000000ff0100 x10: 0000000000000000 x9 : ffff800008b34a24 x8 : ffff0000d1b75340 x7 : ffff800009e5c02c x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff800008b34724 x2 : 0000000000000000 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: mark_buffer_dirty+0x330/0x624 fs/buffer.c:1081 nilfs_segctor_collect_dirty_files fs/nilfs2/segment.c:2006 [inline] nilfs_segctor_do_construct+0x2d4/0x6638 fs/nilfs2/segment.c:2068 nilfs_segctor_construct+0x13c/0x558 fs/nilfs2/segment.c:2451 nilfs_segctor_thread_construct fs/nilfs2/segment.c:2559 [inline] nilfs_segctor_thread+0x3f0/0xd70 fs/nilfs2/segment.c:2643 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:864 irq event stamp: 38 hardirqs last enabled at (37): [] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:151 [inline] hardirqs last enabled at (37): [] _raw_spin_unlock_irqrestore+0x48/0xac kernel/locking/spinlock.c:194 hardirqs last disabled at (38): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (0): [] copy_process+0x13c0/0x38d0 kernel/fork.c:2211 softirqs last disabled at (0): [<0000000000000000>] 0x0 ---[ end trace 0000000000000000 ]---