------------[ cut here ]------------ kernel BUG at fs/ocfs2/aops.c:1158! Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI CPU: 0 UID: 0 PID: 5319 Comm: syz.0.0 Not tainted 6.15.0-rc5-syzkaller-00022-g01f95500a162 #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:1158 [inline] RIP: 0010:ocfs2_write_cluster_by_desc+0x1c6c/0x1c90 fs/ocfs2/aops.c:1218 Code: 03 48 8d bc 24 10 02 00 00 48 c7 c6 8a a5 78 8d ba 69 04 00 00 48 c7 c1 c0 c5 a9 8b e8 ad 3b 1b 00 90 0f 0b e8 75 75 2c fe 90 <0f> 0b e8 6d 75 2c fe 90 0f 0b e8 65 75 2c fe 90 0f 0b e8 5d 75 2c RSP: 0018:ffffc9000ffdee80 EFLAGS: 00010293 RAX: ffffffff83935adb RBX: ffff8880110fc014 RCX: ffff88801fab4880 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffffc9000ffdf1b0 R08: ffff88804494ce63 R09: 1ffff110089299cc R10: dffffc0000000000 R11: ffffed10089299cd R12: ffff888043978000 R13: dffffc0000000000 R14: 0000000000000000 R15: ffff8880110fc014 FS: 00007f584890e6c0(0000) GS:ffff88808d6cb000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f584890dfc8 CR3: 000000001f173000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: ocfs2_write_begin_nolock+0x31a3/0x4340 fs/ocfs2/aops.c:1795 ocfs2_write_begin+0x1bb/0x310 fs/ocfs2/aops.c:1882 generic_perform_write+0x2c4/0x910 mm/filemap.c:4103 ocfs2_file_write_iter+0x157a/0x1d10 fs/ocfs2/file.c:2469 new_sync_write fs/read_write.c:591 [inline] vfs_write+0x548/0xa90 fs/read_write.c:684 ksys_write+0x145/0x250 fs/read_write.c:736 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xf6/0x210 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f5847b8e969 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:00007f584890e038 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007f5847db6160 RCX: 00007f5847b8e969 RDX: 0000000000010448 RSI: 0000200000000080 RDI: 0000000000000008 RBP: 00007f5847c10ab1 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f5847db6160 R15: 00007fff518f5668 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:ocfs2_write_cluster fs/ocfs2/aops.c:1158 [inline] RIP: 0010:ocfs2_write_cluster_by_desc+0x1c6c/0x1c90 fs/ocfs2/aops.c:1218 Code: 03 48 8d bc 24 10 02 00 00 48 c7 c6 8a a5 78 8d ba 69 04 00 00 48 c7 c1 c0 c5 a9 8b e8 ad 3b 1b 00 90 0f 0b e8 75 75 2c fe 90 <0f> 0b e8 6d 75 2c fe 90 0f 0b e8 65 75 2c fe 90 0f 0b e8 5d 75 2c RSP: 0018:ffffc9000ffdee80 EFLAGS: 00010293 RAX: ffffffff83935adb RBX: ffff8880110fc014 RCX: ffff88801fab4880 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffffc9000ffdf1b0 R08: ffff88804494ce63 R09: 1ffff110089299cc R10: dffffc0000000000 R11: ffffed10089299cd R12: ffff888043978000 R13: dffffc0000000000 R14: 0000000000000000 R15: ffff8880110fc014 FS: 00007f584890e6c0(0000) GS:ffff88808d6cb000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000200000003780 CR3: 000000001f173000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400