(syz.0.0,5328,0):__ocfs2_journal_access:705 ERROR: Error -30 getting 1 access to buffer! (syz.0.0,5328,0):ocfs2_write_end_nolock:1942 ERROR: status = -30 (syz.0.0,5328,0):ocfs2_commit_trans:382 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: 5328 Comm: syz.0.0 Not tainted 6.15.0-rc3-syzkaller-00008-ga33b5a08cbbd #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+0xda1/0xdb0 fs/ocfs2/mmap.c:144 Code: ff df 4d 89 fc e9 85 f3 ff ff 48 ff cb e8 87 30 f9 fd 49 89 dc 49 be 00 00 00 00 00 fc ff df e9 6b f3 ff ff e8 70 30 f9 fd 90 <0f> 0b cc cc cc cc cc cc cc cc cc cc cc cc cc 90 90 90 90 90 90 90 RSP: 0018:ffffc9000fe0ebe0 EFLAGS: 00010293 RAX: ffffffff83c98cb0 RBX: 00000000ffffffe2 RCX: ffff888000f1c880 RDX: 0000000000000000 RSI: 0000000000001000 RDI: 00000000ffffffe2 RBP: ffffc9000fe0eda0 R08: ffffffff83c98aa2 R09: 1ffffffff20bfcae R10: dffffc0000000000 R11: fffffbfff20bfcaf R12: 0000000000001000 R13: 0000000000012000 R14: ffffea000152d000 R15: 0000000000000000 FS: 00007f46456b56c0(0000) GS:ffff88808c59a000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f46395ff000 CR3: 000000004447a000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: do_page_mkwrite+0x159/0x340 mm/memory.c:3287 do_shared_fault mm/memory.c:5594 [inline] do_fault mm/memory.c:5656 [inline] do_pte_missing mm/memory.c:4160 [inline] handle_pte_fault+0x10c6/0x61c0 mm/memory.c:5997 __handle_mm_fault mm/memory.c:6140 [inline] handle_mm_fault+0x1129/0x1bf0 mm/memory.c:6309 faultin_page mm/gup.c:1193 [inline] __get_user_pages+0x1adc/0x4180 mm/gup.c:1491 __get_user_pages_locked mm/gup.c:1757 [inline] __gup_longterm_locked+0x1334/0x1850 mm/gup.c:2523 gup_fast_fallback+0x2227/0x2980 mm/gup.c:3417 pin_user_pages_fast+0xd2/0x160 mm/gup.c:3523 rds_info_getsockopt+0x228/0x620 net/rds/info.c:195 do_sock_getsockopt+0x391/0x740 net/socket.c:2357 __sys_getsockopt net/socket.c:2386 [inline] __do_sys_getsockopt net/socket.c:2393 [inline] __se_sys_getsockopt net/socket.c:2390 [inline] __x64_sys_getsockopt+0x233/0x310 net/socket.c:2390 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xf3/0x210 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f464478e169 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:00007f46456b5038 EFLAGS: 00000246 ORIG_RAX: 0000000000000037 RAX: ffffffffffffffda RBX: 00007f46449b5fa0 RCX: 00007f464478e169 RDX: 0000000000002713 RSI: 0000200000000114 RDI: 000000000000000b RBP: 00007f4644810a68 R08: 0000200000000000 R09: 0000000000000000 R10: 0000200000000580 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f46449b5fa0 R15: 00007ffc0d3f9738 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:__ocfs2_page_mkwrite fs/ocfs2/mmap.c:107 [inline] RIP: 0010:ocfs2_page_mkwrite+0xda1/0xdb0 fs/ocfs2/mmap.c:144 Code: ff df 4d 89 fc e9 85 f3 ff ff 48 ff cb e8 87 30 f9 fd 49 89 dc 49 be 00 00 00 00 00 fc ff df e9 6b f3 ff ff e8 70 30 f9 fd 90 <0f> 0b cc cc cc cc cc cc cc cc cc cc cc cc cc 90 90 90 90 90 90 90 RSP: 0018:ffffc9000fe0ebe0 EFLAGS: 00010293 RAX: ffffffff83c98cb0 RBX: 00000000ffffffe2 RCX: ffff888000f1c880 RDX: 0000000000000000 RSI: 0000000000001000 RDI: 00000000ffffffe2 RBP: ffffc9000fe0eda0 R08: ffffffff83c98aa2 R09: 1ffffffff20bfcae R10: dffffc0000000000 R11: fffffbfff20bfcaf R12: 0000000000001000 R13: 0000000000012000 R14: ffffea000152d000 R15: 0000000000000000 FS: 00007f46456b56c0(0000) GS:ffff88808c59a000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f46395ff000 CR3: 000000004447a000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400