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. ======================================================= ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. (syz.0.0,5329,0):ocfs2_extend_trans:438 ERROR: status = -30 (syz.0.0,5329,0):ocfs2_truncate_rec:5445 ERROR: status = -30 (syz.0.0,5329,0):ocfs2_remove_extent:5592 ERROR: status = -30 (syz.0.0,5329,0):__ocfs2_remove_xattr_range:782 ERROR: status = -30 (syz.0.0,5329,0):ocfs2_xattr_shrink_size:836 ERROR: status = -30 (syz.0.0,5329,0):__ocfs2_journal_access:705 ERROR: Error -30 getting 1 access to buffer! (syz.0.0,5329,0):ocfs2_xa_prepare_entry:2151 ERROR: status = -30 (syz.0.0,5329,0):ocfs2_xa_set:2254 ERROR: status = -30 Oops: general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] SMP KASAN NOPTI KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007] CPU: 0 UID: 0 PID: 5329 Comm: syz.0.0 Not tainted 6.15.0-rc2-syzkaller-00488-g6fea5fabd332 #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:jbd2_journal_dirty_metadata+0x1ec/0xc00 fs/jbd2/transaction.c:1531 Code: 8b 5c 24 08 74 08 48 89 df e8 30 a6 93 ff 4c 39 33 0f 84 28 01 00 00 e8 42 6c 29 ff 31 db e9 f8 04 00 00 4c 89 f0 48 c1 e8 03 <42> 80 3c 20 00 74 08 4c 89 f7 e8 05 a6 93 ff 4c 89 74 24 28 49 8b RSP: 0018:ffffc9000d43e918 EFLAGS: 00010246 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000100000 RDX: ffff888000daa440 RSI: 0000000000000000 RDI: 0000000000000001 RBP: 1ffff11008a0adae R08: ffffffff829950b2 R09: 1ffff11008a34d96 R10: dffffc0000000000 R11: ffffed1008a34d97 R12: dffffc0000000000 R13: 1ffff11008a48a8f R14: 0000000000000000 R15: ffff888045056d20 FS: 00007f894e7a96c0(0000) GS:ffff88808c59a000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00002000000aa000 CR3: 000000004317e000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: ocfs2_journal_dirty+0x165/0x7e0 fs/ocfs2/journal.c:812 ocfs2_xa_journal_dirty fs/ocfs2/xattr.c:1453 [inline] ocfs2_xa_set+0x217c/0x2a40 fs/ocfs2/xattr.c:2263 ocfs2_xattr_block_set+0x46e/0x3360 fs/ocfs2/xattr.c:2985 __ocfs2_xattr_set_handle+0x6e7/0x1100 fs/ocfs2/xattr.c:3387 ocfs2_xattr_set+0x1290/0x1940 fs/ocfs2/xattr.c:3650 __vfs_setxattr+0x468/0x4a0 fs/xattr.c:200 __vfs_setxattr_noperm+0x12e/0x660 fs/xattr.c:234 vfs_setxattr+0x223/0x430 fs/xattr.c:321 do_setxattr fs/xattr.c:636 [inline] filename_setxattr+0x2dd/0x480 fs/xattr.c:665 path_setxattrat+0x3f7/0x4c0 fs/xattr.c:713 __do_sys_setxattr fs/xattr.c:747 [inline] __se_sys_setxattr fs/xattr.c:743 [inline] __x64_sys_setxattr+0xbc/0xe0 fs/xattr.c:743 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: 0033:0x7f894d98e169 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:00007f894e7a9038 EFLAGS: 00000246 ORIG_RAX: 00000000000000bc RAX: ffffffffffffffda RBX: 00007f894dbb5fa0 RCX: 00007f894d98e169 RDX: 0000000000000000 RSI: 0000200000000140 RDI: 0000200000000080 RBP: 00007f894da10a68 R08: 0000000000000002 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f894dbb5fa0 R15: 00007ffc388c8c68 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:jbd2_journal_dirty_metadata+0x1ec/0xc00 fs/jbd2/transaction.c:1531 Code: 8b 5c 24 08 74 08 48 89 df e8 30 a6 93 ff 4c 39 33 0f 84 28 01 00 00 e8 42 6c 29 ff 31 db e9 f8 04 00 00 4c 89 f0 48 c1 e8 03 <42> 80 3c 20 00 74 08 4c 89 f7 e8 05 a6 93 ff 4c 89 74 24 28 49 8b RSP: 0018:ffffc9000d43e918 EFLAGS: 00010246 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000100000 RDX: ffff888000daa440 RSI: 0000000000000000 RDI: 0000000000000001 RBP: 1ffff11008a0adae R08: ffffffff829950b2 R09: 1ffff11008a34d96 R10: dffffc0000000000 R11: ffffed1008a34d97 R12: dffffc0000000000 R13: 1ffff11008a48a8f R14: 0000000000000000 R15: ffff888045056d20 FS: 00007f894e7a96c0(0000) GS:ffff88808c59a000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00002000000aa000 CR3: 000000004317e000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: 8b 5c 24 08 mov 0x8(%rsp),%ebx 4: 74 08 je 0xe 6: 48 89 df mov %rbx,%rdi 9: e8 30 a6 93 ff call 0xff93a63e e: 4c 39 33 cmp %r14,(%rbx) 11: 0f 84 28 01 00 00 je 0x13f 17: e8 42 6c 29 ff call 0xff296c5e 1c: 31 db xor %ebx,%ebx 1e: e9 f8 04 00 00 jmp 0x51b 23: 4c 89 f0 mov %r14,%rax 26: 48 c1 e8 03 shr $0x3,%rax * 2a: 42 80 3c 20 00 cmpb $0x0,(%rax,%r12,1) <-- trapping instruction 2f: 74 08 je 0x39 31: 4c 89 f7 mov %r14,%rdi 34: e8 05 a6 93 ff call 0xff93a63e 39: 4c 89 74 24 28 mov %r14,0x28(%rsp) 3e: 49 rex.WB 3f: 8b .byte 0x8b