------------[ cut here ]------------ WARNING: CPU: 0 PID: 5325 at fs/jbd2/transaction.c:1553 jbd2_journal_dirty_metadata+0x8e6/0xc30 fs/jbd2/transaction.c:1553 Modules linked in: CPU: 0 UID: 0 PID: 5325 Comm: syz.0.0 Not tainted 6.16.0-rc4-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:jbd2_journal_dirty_metadata+0x8e6/0xc30 fs/jbd2/transaction.c:1553 Code: 8b 44 24 40 4d 89 f9 50 53 41 55 41 54 e8 62 c6 9f fe 48 83 c4 20 90 0f 0b 90 bb ea ff ff ff e9 35 fe ff ff e8 2b 86 38 ff 90 <0f> 0b 90 bb e4 ff ff ff e9 22 fe ff ff 48 8b 44 24 30 48 83 c0 18 RSP: 0018:ffffc9000d5be878 EFLAGS: 00010283 RAX: ffffffff8287c875 RBX: 1ffff1100a55ccff RCX: 0000000000100000 RDX: ffffc9000e853000 RSI: 000000000002177b RDI: 000000000002177c RBP: 0000000000000000 R08: 0000000000000003 R09: 0000000000000004 R10: dffffc0000000000 R11: fffff52001ab7d00 R12: ffff888012029ba8 R13: dffffc0000000000 R14: 0000000000000000 R15: 1ffff11002405372 FS: 00007f448b9806c0(0000) GS:ffff88808d250000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f447f9ff000 CR3: 0000000043c73000 CR4: 0000000000352ef0 Call Trace: ocfs2_journal_dirty+0x149/0x740 fs/ocfs2/journal.c:834 ocfs2_block_group_set_bits+0x71e/0x9a0 fs/ocfs2/suballoc.c:1432 ocfs2_search_chain+0x1aa9/0x2430 fs/ocfs2/suballoc.c:1914 ocfs2_claim_suballoc_bits+0x9d6/0x2450 fs/ocfs2/suballoc.c:2000 __ocfs2_claim_clusters+0x303/0x8f0 fs/ocfs2/suballoc.c:2421 ocfs2_make_clusters_writable fs/ocfs2/refcounttree.c:3243 [inline] ocfs2_replace_cow+0x94b/0x1b90 fs/ocfs2/refcounttree.c:3346 ocfs2_refcount_cow_hunk fs/ocfs2/refcounttree.c:3424 [inline] ocfs2_refcount_cow+0x779/0xc90 fs/ocfs2/refcounttree.c:3467 ocfs2_prepare_inode_for_write fs/ocfs2/file.c:2340 [inline] ocfs2_file_write_iter+0xe28/0x1d10 fs/ocfs2/file.c:2451 do_iter_readv_writev+0x56b/0x7f0 fs/read_write.c:-1 vfs_writev+0x31a/0x960 fs/read_write.c:1057 do_writev+0x14d/0x2d0 fs/read_write.c:1103 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f448ab8e929 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:00007f448b980038 EFLAGS: 00000246 ORIG_RAX: 0000000000000014 RAX: ffffffffffffffda RBX: 00007f448adb6080 RCX: 00007f448ab8e929 RDX: 0000000000000001 RSI: 0000200000000100 RDI: 0000000000000004 RBP: 00007f448ac10b39 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f448adb6080 R15: 00007ffce20a07c8