------------[ cut here ]------------ kernel BUG at fs/hfs/inode.c:444! Internal error: Oops - BUG: 00000000f2000800 [#1] SMP Modules linked in: CPU: 1 UID: 0 PID: 7847 Comm: syz.1.346 Not tainted 6.15.0-rc5-syzkaller-gc32f8dc5aaf9 #0 PREEMPT Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : hfs_write_inode+0x700/0x704 fs/hfs/inode.c:444 lr : hfs_write_inode+0x700/0x704 fs/hfs/inode.c:444 sp : ffff80009cf872e0 x29: ffff80009cf87430 x28: dfff800000000000 x27: ffff0000cbed8010 x26: dfff800000000000 x25: ffff80009cf872e0 x24: ffff7000139f0e5c x23: 0000000000000000 x22: 0000000000000002 x21: 0000000000000005 x20: ffff0000c8b1efd8 x19: ffff80009cf87360 x18: 00000000ffffffff x17: ffff800092f27000 x16: ffff80008ad1d588 x15: ffff7000139f0e78 x14: 0000000000000002 x13: 0000000000000004 x12: 0000000000ff0100 x11: 0000000000080000 x10: 0000000000015602 x9 : ffff8000a1f79000 x8 : 0000000000015603 x7 : 0000000000000000 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : 0000000000000020 x2 : 0000000000000006 x1 : ffff80008f7115e0 x0 : 0000000000000005 Call trace: hfs_write_inode+0x700/0x704 fs/hfs/inode.c:444 (P) write_inode fs/fs-writeback.c:1525 [inline] __writeback_single_inode+0x5ac/0x13e8 fs/fs-writeback.c:1745 writeback_single_inode+0x18c/0x54c fs/fs-writeback.c:1801 write_inode_now+0x134/0x198 fs/fs-writeback.c:2863 hfs_file_fsync+0xa8/0x144 fs/hfs/inode.c:676 vfs_fsync_range+0x160/0x19c fs/sync.c:187 generic_write_sync include/linux/fs.h:2976 [inline] generic_file_write_iter+0x288/0x470 mm/filemap.c:4250 new_sync_write fs/read_write.c:591 [inline] vfs_write+0x62c/0x97c fs/read_write.c:684 ksys_write+0x120/0x210 fs/read_write.c:736 __do_sys_write fs/read_write.c:747 [inline] __se_sys_write fs/read_write.c:744 [inline] __arm64_sys_write+0x7c/0x90 fs/read_write.c:744 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:49 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:132 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151 el0_svc+0x58/0x17c arch/arm64/kernel/entry-common.c:767 el0t_64_sync_handler+0x78/0x108 arch/arm64/kernel/entry-common.c:786 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:600 Code: 91310000 97e5e3cf 17ffffa3 97d1a5e6 (d4210000) ---[ end trace 0000000000000000 ]---