(syz.0.0,5339,0):__ocfs2_journal_access:727 ERROR: Error -30 getting 1 access to buffer! (syz.0.0,5339,0):ocfs2_write_end_nolock:1942 ERROR: status = -30 (syz.0.0,5339,0):ocfs2_commit_trans:404 ERROR: status = -5 ------------[ cut here ]------------ kernel BUG at fs/ocfs2/mmap.c:107! Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI CPU: 0 UID: 0 PID: 5339 Comm: syz.0.0 Not tainted 6.16.0-rc6-syzkaller-00253-g4871b7cb27f4 #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_page_mkwrite fs/ocfs2/mmap.c:107 [inline] RIP: 0010:ocfs2_page_mkwrite+0xc37/0xc40 fs/ocfs2/mmap.c:144 Code: 07 e8 ad 7d 1f fe eb 0d 48 ff cb e8 a3 7d 1f fe 48 89 5c 24 08 49 be 00 00 00 00 00 fc ff df e9 cb f4 ff ff e8 8a 7d 1f fe 90 <0f> 0b cc cc cc cc cc cc cc 90 90 90 90 90 90 90 90 90 90 90 90 90 RSP: 0018:ffffc9000d3779e0 EFLAGS: 00010293 RAX: ffffffff83a0b596 RBX: 00000000ffffffe2 RCX: ffff888000760000 RDX: 0000000000000000 RSI: 0000000000001000 RDI: 00000000ffffffe2 RBP: ffffc9000d377b80 R08: ffffffff8fa1f4f7 R09: 1ffffffff1f43e9e R10: dffffc0000000000 R11: fffffbfff1f43e9f R12: ffffea000045d100 R13: 00000000000005b3 R14: 0000000000000000 R15: 0000000000001000 FS: 00005555791b8500(0000) GS:ffff88808d21a000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000020000003b000 CR3: 000000004370a000 CR4: 0000000000352ef0 Call Trace: do_page_mkwrite+0x14a/0x310 mm/memory.c:3378 do_shared_fault mm/memory.c:5666 [inline] do_fault mm/memory.c:5728 [inline] do_pte_missing mm/memory.c:4251 [inline] handle_pte_fault mm/memory.c:6069 [inline] __handle_mm_fault+0x1a60/0x5620 mm/memory.c:6212 handle_mm_fault+0x40a/0x8e0 mm/memory.c:6381 do_user_addr_fault+0x764/0x1390 arch/x86/mm/fault.c:1387 handle_page_fault arch/x86/mm/fault.c:1476 [inline] exc_page_fault+0x76/0xf0 arch/x86/mm/fault.c:1532 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:623 RIP: 0033:0x7f63c295814c 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:00007ffdaa8e8ac8 EFLAGS: 00010202 RAX: 000020000001f780 RBX: 0000000000000004 RCX: 0000000000003ec3 RDX: 000000000001f743 RSI: 00007f63c241f5e1 RDI: 000020000003b000 RBP: 00007f63c2bb7ba0 R08: 000020000001f780 R09: 000000000000000f R10: 0000000000000000 R11: 0000000000000002 R12: 00007f63c2bb5fac R13: 00007f63c2bb5fa0 R14: fffffffffffffffe R15: 00007ffdaa8e8be0 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:__ocfs2_page_mkwrite fs/ocfs2/mmap.c:107 [inline] RIP: 0010:ocfs2_page_mkwrite+0xc37/0xc40 fs/ocfs2/mmap.c:144 Code: 07 e8 ad 7d 1f fe eb 0d 48 ff cb e8 a3 7d 1f fe 48 89 5c 24 08 49 be 00 00 00 00 00 fc ff df e9 cb f4 ff ff e8 8a 7d 1f fe 90 <0f> 0b cc cc cc cc cc cc cc 90 90 90 90 90 90 90 90 90 90 90 90 90 RSP: 0018:ffffc9000d3779e0 EFLAGS: 00010293 RAX: ffffffff83a0b596 RBX: 00000000ffffffe2 RCX: ffff888000760000 RDX: 0000000000000000 RSI: 0000000000001000 RDI: 00000000ffffffe2 RBP: ffffc9000d377b80 R08: ffffffff8fa1f4f7 R09: 1ffffffff1f43e9e R10: dffffc0000000000 R11: fffffbfff1f43e9f R12: ffffea000045d100 R13: 00000000000005b3 R14: 0000000000000000 R15: 0000000000001000 FS: 00005555791b8500(0000) GS:ffff88808d21a000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000020000003b000 CR3: 000000004370a000 CR4: 0000000000352ef0