loop2: detected capacity change from 0 to 32768 ocfs2: Mounting device (7,2) on (node local, slot 0) with writeback data mode. ------------[ cut here ]------------ kernel BUG at fs/ocfs2/aops.c:1180! Internal error: Oops - BUG: 00000000f2000800 [#1] PREEMPT SMP Modules linked in: CPU: 0 PID: 4612 Comm: syz.2.48 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 : ocfs2_write_cluster fs/ocfs2/aops.c:1180 [inline] pc : ocfs2_write_cluster_by_desc+0x17e4/0x1810 fs/ocfs2/aops.c:1241 lr : ocfs2_write_cluster fs/ocfs2/aops.c:1180 [inline] lr : ocfs2_write_cluster_by_desc+0x17e4/0x1810 fs/ocfs2/aops.c:1241 sp : ffff800021e36ae0 x29: ffff800021e36e00 x28: ffff0000dc6b6030 x27: dfff800000000000 x26: ffff0000dc6b6028 x25: ffff800021e36c20 x24: ffff0000e225ec38 x23: 0000000000000004 x22: 0000000000000000 x21: ffff0000e225ec60 x20: 0000000000000000 x19: 0000000000000000 x18: ffff800011aabce0 x17: ffff8000181e7000 x16: ffff8000082e7bac x15: 0000000000000002 x14: 00000000fffffffc x13: 1ffff00002a160b1 x12: 0000000000080000 x11: 00000000000106fa x10: ffff80002580a000 x9 : ffff800009ce3010 x8 : 00000000000106fb x7 : ffff800009d227f0 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff8000082e7cc0 x2 : 0000000000000001 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: ocfs2_write_cluster fs/ocfs2/aops.c:1180 [inline] ocfs2_write_cluster_by_desc+0x17e4/0x1810 fs/ocfs2/aops.c:1241 ocfs2_write_begin_nolock+0x28e8/0x3ab4 fs/ocfs2/aops.c:1817 ocfs2_write_begin+0x1b4/0x30c fs/ocfs2/aops.c:1904 generic_perform_write+0x230/0x4b0 mm/filemap.c:3846 __generic_file_write_iter+0x168/0x37c mm/filemap.c:3974 ocfs2_file_write_iter+0x1300/0x1bf4 fs/ocfs2/file.c:2469 do_iter_readv_writev fs/read_write.c:-1 [inline] do_iter_write+0x530/0x91c fs/read_write.c:861 vfs_writev fs/read_write.c:934 [inline] do_pwritev+0x1c8/0x2fc fs/read_write.c:1031 __do_sys_pwritev2 fs/read_write.c:1090 [inline] __se_sys_pwritev2 fs/read_write.c:1081 [inline] __arm64_sys_pwritev2+0xd4/0x108 fs/read_write.c:1081 __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 Code: 52808fe2 9405f5e2 d4210000 979eface (d4210000) ---[ end trace 0000000000000000 ]---