------------[ cut here ]------------ kernel BUG at fs/buffer.c:1900! Internal error: Oops - BUG: 00000000f2000800 [#1] PREEMPT SMP Modules linked in: CPU: 1 PID: 9531 Comm: syz-executor.3 Not tainted 6.7.0-rc8-syzkaller-00101-g0802e17d9aca #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 : __block_write_full_folio+0xd70/0xe14 fs/buffer.c:1900 lr : __block_write_full_folio+0xd70/0xe14 fs/buffer.c:1900 sp : ffff800099ef6560 x29: ffff800099ef65c0 x28: fffffc0003725600 x27: 1fffe0001c6fe01d x26: dfff800000000000 x25: ffff0000e37f0cb0 x24: 1fffe0001c6fe01d x23: 0000000000000080 x22: 0000000000000002 x21: ffff0000e37f0cb0 x20: 0000000000000004 x19: 05ffc0000000801b x18: ffff0000d559cb18 x17: 0000000000000000 x16: ffff80008a830fdc x15: 0000000000000001 x14: 1fffe0003682d994 x13: 0000000000000000 x12: 0000000000000003 x11: 0000000000000000 x10: 0000000000ff0100 x9 : 0000000000000000 x8 : ffff0000ca8abc00 x7 : ffff8000807e6878 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : 0000000000000000 x2 : 0000000000000007 x1 : 0000000000000002 x0 : 0000000000000000 Call trace: __block_write_full_folio+0xd70/0xe14 fs/buffer.c:1900 block_write_full_page+0x544/0x660 hfsplus_writepage+0x30/0x40 fs/hfsplus/inode.c:33 writeout mm/migrate.c:903 [inline] fallback_migrate_folio mm/migrate.c:927 [inline] move_to_new_folio+0x624/0xc24 mm/migrate.c:976 migrate_folio_move mm/migrate.c:1289 [inline] migrate_pages_batch+0x1a10/0x25b0 mm/migrate.c:1780 migrate_pages_sync mm/migrate.c:1873 [inline] migrate_pages+0x1bf8/0x3114 mm/migrate.c:1955 compact_zone+0x2768/0x410c mm/compaction.c:2532 compact_node+0x234/0x3c0 mm/compaction.c:2829 compact_nodes mm/compaction.c:2842 [inline] sysctl_compaction_handler+0x110/0x1d4 mm/compaction.c:2888 proc_sys_call_handler+0x4cc/0x7cc fs/proc/proc_sysctl.c:600 proc_sys_write+0x2c/0x3c fs/proc/proc_sysctl.c:626 do_iter_write+0x654/0xa78 fs/read_write.c:860 vfs_iter_write+0x88/0xac fs/read_write.c:901 iter_file_splice_write+0x628/0xc58 fs/splice.c:736 do_splice_from fs/splice.c:933 [inline] direct_splice_actor+0xe4/0x1c0 fs/splice.c:1142 splice_direct_to_actor+0x2a0/0x7e4 fs/splice.c:1088 do_splice_direct+0x20c/0x348 fs/splice.c:1194 do_sendfile+0x4bc/0xc70 fs/read_write.c:1254 __do_sys_sendfile64 fs/read_write.c:1316 [inline] __se_sys_sendfile64 fs/read_write.c:1308 [inline] __arm64_sys_sendfile64+0x23c/0x3b4 fs/read_write.c:1308 __invoke_syscall arch/arm64/kernel/syscall.c:37 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:51 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:136 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:155 el0_svc+0x54/0x158 arch/arm64/kernel/entry-common.c:678 el0t_64_sync_handler+0x84/0xfc arch/arm64/kernel/entry-common.c:696 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:595 Code: aa1c03e0 97f357c2 d4210000 97e5a4e0 (d4210000) ---[ end trace 0000000000000000 ]---