loop0: detected capacity change from 0 to 32768 JBD2: Ignoring recovery information on journal ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. ------------[ cut here ]------------ kernel BUG at fs/ocfs2/aops.c:1159! Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI CPU: 0 UID: 0 PID: 5321 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 RIP: 0010:ocfs2_write_cluster fs/ocfs2/aops.c:1159 [inline] RIP: 0010:ocfs2_write_cluster_by_desc+0x1db4/0x1de0 fs/ocfs2/aops.c:1219 Code: 00 48 c7 c6 03 05 f5 8d ba 6a 04 00 00 48 c7 c1 e0 07 12 8c e8 dd fd 1c 00 48 8b 04 24 c6 40 1e f8 90 0f 0b e8 bd ec 09 fe 90 <0f> 0b e8 b5 ec 09 fe 90 0f 0b e8 ad ec 09 fe 90 0f 0b e8 a5 ec 09 RSP: 0018:ffffc9000f2aee60 EFLAGS: 00010246 RAX: ffffffff83bbd7b3 RBX: ffff88801f394014 RCX: 0000000000100000 RDX: ffffc90020001000 RSI: 00000000000fffff RDI: 0000000000100000 RBP: ffffc9000f2af190 R08: ffff888011afeae3 R09: 1ffff1100235fd5c R10: dffffc0000000000 R11: ffffed100235fd5d R12: ffff888012bd8000 R13: dffffc0000000000 R14: 0000000000000000 R15: ffff88801f394014 FS: 00007fe0c0c376c0(0000) GS:ffff88808ca4c000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00002000003fc000 CR3: 0000000043884000 CR4: 0000000000352ef0 Call Trace: ocfs2_write_begin_nolock+0x3316/0x41e0 fs/ocfs2/aops.c:1795 ocfs2_write_begin+0x1c5/0x320 fs/ocfs2/aops.c:1883 generic_perform_write+0x2e2/0x8f0 mm/filemap.c:4319 ocfs2_file_write_iter+0x1663/0x1ed0 fs/ocfs2/file.c:2476 new_sync_write fs/read_write.c:595 [inline] vfs_write+0x61d/0xb90 fs/read_write.c:688 ksys_write+0x150/0x270 fs/read_write.c:740 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x14d/0xf80 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fe0bfd9c819 Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fe0c0c36fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007fe0c0015fa0 RCX: 00007fe0bfd9c819 RDX: 000000006db6e559 RSI: 0000200000000180 RDI: 0000000000000006 RBP: 00007fe0bfe32c91 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fe0c0016038 R14: 00007fe0c0015fa0 R15: 00007ffcd99a4948 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:ocfs2_write_cluster fs/ocfs2/aops.c:1159 [inline] RIP: 0010:ocfs2_write_cluster_by_desc+0x1db4/0x1de0 fs/ocfs2/aops.c:1219 Code: 00 48 c7 c6 03 05 f5 8d ba 6a 04 00 00 48 c7 c1 e0 07 12 8c e8 dd fd 1c 00 48 8b 04 24 c6 40 1e f8 90 0f 0b e8 bd ec 09 fe 90 <0f> 0b e8 b5 ec 09 fe 90 0f 0b e8 ad ec 09 fe 90 0f 0b e8 a5 ec 09 RSP: 0018:ffffc9000f2aee60 EFLAGS: 00010246 RAX: ffffffff83bbd7b3 RBX: ffff88801f394014 RCX: 0000000000100000 RDX: ffffc90020001000 RSI: 00000000000fffff RDI: 0000000000100000 RBP: ffffc9000f2af190 R08: ffff888011afeae3 R09: 1ffff1100235fd5c R10: dffffc0000000000 R11: ffffed100235fd5d R12: ffff888012bd8000 R13: dffffc0000000000 R14: 0000000000000000 R15: ffff88801f394014 FS: 00007fe0c0c376c0(0000) GS:ffff88808ca4c000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000561e1d75e168 CR3: 0000000043884000 CR4: 0000000000352ef0