(syz.0.0,5324,0):__ocfs2_journal_access:705 ERROR: Error -30 getting 1 access to buffer! (syz.0.0,5324,0):ocfs2_write_end_nolock:1949 ERROR: status = -30 (syz.0.0,5324,0):ocfs2_commit_trans:382 ERROR: status = -5 ------------[ cut here ]------------ kernel BUG at fs/ocfs2/mmap.c:107! Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN NOPTI CPU: 0 UID: 0 PID: 5324 Comm: syz.0.0 Not tainted 6.14.0-rc7-syzkaller #0 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_page_mkwrite fs/ocfs2/mmap.c:107 [inline] RIP: 0010:ocfs2_page_mkwrite+0xd9d/0xda0 fs/ocfs2/mmap.c:144 Code: ff df 4d 89 fc e9 87 f3 ff ff 48 ff cb e8 fb fd 00 fe 49 89 dc 49 be 00 00 00 00 00 fc ff df e9 6d f3 ff ff e8 e4 fd 00 fe 90 <0f> 0b 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e RSP: 0018:ffffc9000d1c77e0 EFLAGS: 00010293 RAX: ffffffff83c0e1ec RBX: 00000000ffffffe2 RCX: ffff888000e38000 RDX: 0000000000000000 RSI: 0000000000001000 RDI: 00000000ffffffe2 RBP: ffffc9000d1c79a0 R08: ffffffff83c0dfde R09: 1ffffffff28a9929 R10: dffffc0000000000 R11: fffffbfff28a992a R12: 0000000000001000 R13: 000000000008c000 R14: ffffea0000305540 R15: 0000000000000000 FS: 0000555586cbd500(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000040000008c000 CR3: 0000000036016000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: do_page_mkwrite+0x15c/0x350 mm/memory.c:3256 do_shared_fault mm/memory.c:5485 [inline] do_fault mm/memory.c:5547 [inline] do_pte_missing mm/memory.c:4059 [inline] handle_pte_fault mm/memory.c:5888 [inline] __handle_mm_fault+0x2119/0x6ef0 mm/memory.c:6031 handle_mm_fault+0x3e5/0x8d0 mm/memory.c:6200 do_user_addr_fault arch/x86/mm/fault.c:1388 [inline] handle_page_fault arch/x86/mm/fault.c:1480 [inline] exc_page_fault+0x2b9/0x8b0 arch/x86/mm/fault.c:1538 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:623 RIP: 0033:0x7fa0e495690c Code: 00 00 00 74 a0 83 f9 c0 0f 87 56 fe ff ff 62 e1 fe 28 6f 4e 01 48 29 fe 48 83 c7 3f 49 8d 0c 10 48 83 e7 c0 48 01 fe 48 29 f9 a4 62 c1 fe 28 7f 00 62 c1 fe 28 7f 48 01 c3 0f 1f 40 00 4c 8b RSP: 002b:00007ffeeb8f9c98 EFLAGS: 00010206 RAX: 0000400000000000 RBX: 0000000000000004 RCX: 0000000000011e39 RDX: 000000000009de39 RSI: 00007fa0e448fd80 RDI: 000040000008c000 RBP: 00007fa0e4ba7ba0 R08: 0000400000000000 R09: 000000000000004e R10: 0000000000000000 R11: 0000000000000002 R12: 00007fa0e4ba5fac R13: 00007fa0e4ba5fa0 R14: fffffffffffffffe R15: 00007ffeeb8f9db0 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:__ocfs2_page_mkwrite fs/ocfs2/mmap.c:107 [inline] RIP: 0010:ocfs2_page_mkwrite+0xd9d/0xda0 fs/ocfs2/mmap.c:144 Code: ff df 4d 89 fc e9 87 f3 ff ff 48 ff cb e8 fb fd 00 fe 49 89 dc 49 be 00 00 00 00 00 fc ff df e9 6d f3 ff ff e8 e4 fd 00 fe 90 <0f> 0b 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e RSP: 0018:ffffc9000d1c77e0 EFLAGS: 00010293 RAX: ffffffff83c0e1ec RBX: 00000000ffffffe2 RCX: ffff888000e38000 RDX: 0000000000000000 RSI: 0000000000001000 RDI: 00000000ffffffe2 RBP: ffffc9000d1c79a0 R08: ffffffff83c0dfde R09: 1ffffffff28a9929 R10: dffffc0000000000 R11: fffffbfff28a992a R12: 0000000000001000 R13: 000000000008c000 R14: ffffea0000305540 R15: 0000000000000000 FS: 0000555586cbd500(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000563d17dae0a8 CR3: 0000000036016000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400