loop0: detected capacity change from 0 to 32768 ======================================================= WARNING: The mand mount option has been deprecated and and is ignored by this kernel. Remove the mand option from the mount to silence this warning. ======================================================= JBD2: Ignoring recovery information on journal ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. loop0: detected capacity change from 32768 to 64 (syz.0.0,5320,0):__ocfs2_journal_access:728 ERROR: Error -30 getting 1 access to buffer! (syz.0.0,5320,0):ocfs2_write_end_nolock:1945 ERROR: status = -30 (syz.0.0,5320,0):ocfs2_commit_trans:401 ERROR: status = -5 ------------[ cut here ]------------ kernel BUG at fs/ocfs2/mmap.c:106! Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI CPU: 0 UID: 0 PID: 5320 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 RIP: 0010:__ocfs2_page_mkwrite fs/ocfs2/mmap.c:106 [inline] RIP: 0010:ocfs2_page_mkwrite+0xb5e/0xb60 fs/ocfs2/mmap.c:143 Code: 18 49 fe e9 27 fd ff ff e8 5f 91 f5 07 e8 3a b2 d7 fd 4c 89 e7 48 c7 c6 e0 2a 56 8c e8 bb 0f 38 fd 90 0f 0b e8 23 b2 d7 fd 90 <0f> 0b 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa RSP: 0018:ffffc9000efa7960 EFLAGS: 00010287 RAX: ffffffff83f0124d RBX: 00000000ffffffe2 RCX: 0000000000100000 RDX: ffffc9000f699000 RSI: 000000000001349f RDI: 00000000000134a0 RBP: ffffc9000efa7af0 R08: ffffffff907a367f R09: 1ffffffff20f46cf R10: dffffc0000000000 R11: fffffbfff20f46d0 R12: dffffc0000000000 R13: 0000000000005000 R14: 0000000000000000 R15: 0000000000001000 FS: 00007f7c714026c0(0000) GS:ffff88808c2d1000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000200000000600 CR3: 0000000011f94000 CR4: 0000000000352ef0 Call Trace: do_page_mkwrite+0x147/0x310 mm/memory.c:3816 do_shared_fault mm/memory.c:6076 [inline] do_fault mm/memory.c:6138 [inline] do_pte_missing+0x757/0x34b0 mm/memory.c:4700 handle_pte_fault mm/memory.c:6558 [inline] __handle_mm_fault mm/memory.c:6707 [inline] handle_mm_fault+0x1a53/0x3750 mm/memory.c:6876 do_user_addr_fault+0x746/0x1340 arch/x86/mm/fault.c:1394 handle_page_fault arch/x86/mm/fault.c:1483 [inline] exc_page_fault+0x6a/0xc0 arch/x86/mm/fault.c:1536 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:595 RIP: 0033:0x7f7c7045ce5f Code: 0f eb c4 66 0f eb dc 66 41 0f 6a d7 66 41 0f 62 ef 66 0f 73 f7 28 66 41 0f 6a c7 f3 45 0f 7e f8 66 41 0f 73 d8 08 66 0f eb fc <44> 0f 11 80 10 ff ff ff 66 0f 73 f1 28 f3 44 0f 7e c3 66 0f 73 db RSP: 002b:00007f7c71400470 EFLAGS: 00010206 RAX: 0000200000005900 RBX: 0000200000002000 RCX: 0000800000509120 RDX: 0000200000005a00 RSI: 000000004008ae89 RDI: 000000000000000c RBP: 0000200000003000 R08: 0000000000000000 R09: 00000000000001ff R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000003800 R13: 00007f7c71400b90 R14: 000000000000006b R15: 00000000000000c0 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:__ocfs2_page_mkwrite fs/ocfs2/mmap.c:106 [inline] RIP: 0010:ocfs2_page_mkwrite+0xb5e/0xb60 fs/ocfs2/mmap.c:143 Code: 18 49 fe e9 27 fd ff ff e8 5f 91 f5 07 e8 3a b2 d7 fd 4c 89 e7 48 c7 c6 e0 2a 56 8c e8 bb 0f 38 fd 90 0f 0b e8 23 b2 d7 fd 90 <0f> 0b 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa RSP: 0018:ffffc9000efa7960 EFLAGS: 00010287 RAX: ffffffff83f0124d RBX: 00000000ffffffe2 RCX: 0000000000100000 RDX: ffffc9000f699000 RSI: 000000000001349f RDI: 00000000000134a0 RBP: ffffc9000efa7af0 R08: ffffffff907a367f R09: 1ffffffff20f46cf R10: dffffc0000000000 R11: fffffbfff20f46d0 R12: dffffc0000000000 R13: 0000000000005000 R14: 0000000000000000 R15: 0000000000001000 FS: 00007f7c714026c0(0000) GS:ffff88808c2d1000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000200000000600 CR3: 0000000011f94000 CR4: 0000000000352ef0