(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-rc5-syzkaller-00121-gbc9ff192a6c9 #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 2d 89 1f fe eb 0d 48 ff cb e8 23 89 1f fe 48 89 5c 24 08 49 be 00 00 00 00 00 fc ff df e9 cb f4 ff ff e8 0a 89 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:ffffc9000d59f9e0 EFLAGS: 00010293 RAX: ffffffff83a0ad66 RBX: 00000000ffffffe2 RCX: ffff8880330b0000 RDX: 0000000000000000 RSI: 0000000000001000 RDI: 00000000ffffffe2 RBP: ffffc9000d59fb80 R08: ffffffff8fa1f3f7 R09: 1ffffffff1f43e7e R10: dffffc0000000000 R11: fffffbfff1f43e7f R12: ffffea0001345a00 R13: 0000000000000100 R14: 0000000000000000 R15: 0000000000001000 FS: 000055555ef15500(0000) GS:ffff88808d21b000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00002000000040e0 CR3: 000000003f98d000 CR4: 0000000000352ef0 Call Trace: do_page_mkwrite+0x14d/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: 0033:0x7fce26557f5f Code: fe 48 8d 54 11 80 0f 1f 44 00 00 62 e1 fe 28 6f 0e 62 e1 fe 28 6f 56 01 62 e1 fe 28 6f 5e 02 62 e1 fe 28 6f 66 03 48 83 ee 80 <62> e1 fd 28 7f 0f 62 e1 fd 28 7f 57 01 62 e1 fd 28 7f 5f 02 62 e1 RSP: 002b:00007fff215ddd78 EFLAGS: 00010203 RAX: 00002000000040c0 RBX: 0000000000000004 RCX: 00002000000040c0 RDX: 0000200000006040 RSI: 00007fce260122e0 RDI: 00002000000040e0 RBP: 00007fce267b7ba0 R08: 0000000000000000 R09: 0000000000000001 R10: 0000000000000000 R11: 0000000000000002 R12: 00007fce267b5fac R13: 00007fce267b5fa0 R14: fffffffffffffffe R15: 00007fff215dde90 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 2d 89 1f fe eb 0d 48 ff cb e8 23 89 1f fe 48 89 5c 24 08 49 be 00 00 00 00 00 fc ff df e9 cb f4 ff ff e8 0a 89 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:ffffc9000d59f9e0 EFLAGS: 00010293 RAX: ffffffff83a0ad66 RBX: 00000000ffffffe2 RCX: ffff8880330b0000 RDX: 0000000000000000 RSI: 0000000000001000 RDI: 00000000ffffffe2 RBP: ffffc9000d59fb80 R08: ffffffff8fa1f3f7 R09: 1ffffffff1f43e7e R10: dffffc0000000000 R11: fffffbfff1f43e7f R12: ffffea0001345a00 R13: 0000000000000100 R14: 0000000000000000 R15: 0000000000001000 FS: 000055555ef15500(0000) GS:ffff88808d21b000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00002000000040e0 CR3: 000000003f98d000 CR4: 0000000000352ef0