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: 5340 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~bpo12+1 04/01/2014 RIP: 0010:ocfs2_write_cluster fs/ocfs2/aops.c:1159 [inline] RIP: 0010:ocfs2_write_cluster_by_desc+0x1cc1/0x1cf0 fs/ocfs2/aops.c:1219 Code: 03 48 8d bc 24 10 02 00 00 48 c7 c6 3f 88 9d 8d ba 6a 04 00 00 48 c7 c1 60 ec cb 8b e8 98 52 1b 00 90 0f 0b e8 30 e0 1c fe 90 <0f> 0b e8 28 e0 1c fe 90 0f 0b e8 20 e0 1c fe 90 0f 0b e8 18 e0 1c RSP: 0018:ffffc9000d6d6e80 EFLAGS: 00010246 RAX: ffffffff83a4e1c0 RBX: ffff888011f78014 RCX: 0000000000100000 RDX: ffffc90020aa2000 RSI: 00000000000fffff RDI: 0000000000100000 RBP: ffffc9000d6d71b0 R08: ffff88801289c023 R09: 1ffff11002513804 R10: dffffc0000000000 R11: ffffed1002513805 R12: ffff888034010000 R13: dffffc0000000000 R14: 0000000000000000 R15: ffff888011f78014 FS: 00007fe1e89826c0(0000) GS:ffff88808d22a000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00005570b16d7660 CR3: 0000000038999000 CR4: 0000000000352ef0 Call Trace: ocfs2_write_begin_nolock+0x3180/0x4300 fs/ocfs2/aops.c:1796 ocfs2_write_begin+0x1bb/0x310 fs/ocfs2/aops.c:1884 generic_perform_write+0x2c5/0x900 mm/filemap.c:4314 ocfs2_file_write_iter+0x1582/0x1cf0 fs/ocfs2/file.c:2475 new_sync_write fs/read_write.c:593 [inline] vfs_write+0x5c9/0xb30 fs/read_write.c:686 ksys_write+0x145/0x250 fs/read_write.c:738 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xfa/0xf80 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fe1e7b8f7c9 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fe1e8982038 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007fe1e7de5fa0 RCX: 00007fe1e7b8f7c9 RDX: 000000000208e24b RSI: 0000200000000000 RDI: 0000000000000006 RBP: 00007fe1e7c13f91 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fe1e7de6038 R14: 00007fe1e7de5fa0 R15: 00007ffd7cf8ff58 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:ocfs2_write_cluster fs/ocfs2/aops.c:1159 [inline] RIP: 0010:ocfs2_write_cluster_by_desc+0x1cc1/0x1cf0 fs/ocfs2/aops.c:1219 Code: 03 48 8d bc 24 10 02 00 00 48 c7 c6 3f 88 9d 8d ba 6a 04 00 00 48 c7 c1 60 ec cb 8b e8 98 52 1b 00 90 0f 0b e8 30 e0 1c fe 90 <0f> 0b e8 28 e0 1c fe 90 0f 0b e8 20 e0 1c fe 90 0f 0b e8 18 e0 1c RSP: 0018:ffffc9000d6d6e80 EFLAGS: 00010246 RAX: ffffffff83a4e1c0 RBX: ffff888011f78014 RCX: 0000000000100000 RDX: ffffc90020aa2000 RSI: 00000000000fffff RDI: 0000000000100000 RBP: ffffc9000d6d71b0 R08: ffff88801289c023 R09: 1ffff11002513804 R10: dffffc0000000000 R11: ffffed1002513805 R12: ffff888034010000 R13: dffffc0000000000 R14: 0000000000000000 R15: ffff888011f78014 FS: 00007fe1e89826c0(0000) GS:ffff88808d22a000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00005570b1a9d168 CR3: 0000000038999000 CR4: 0000000000352ef0