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. ------------[ cut here ]------------ kernel BUG at fs/ocfs2/uptodate.c:509! Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN NOPTI CPU: 0 UID: 0 PID: 5325 Comm: syz.0.0 Not tainted 6.14.0-rc6-syzkaller-00212-geb88e6bfbc0a #0 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_set_new_buffer_uptodate+0x145/0x160 fs/ocfs2/uptodate.c:509 Code: 03 42 80 3c 20 00 74 08 48 89 df e8 e5 b3 59 fe 4c 8b 1b 4c 89 ff 5b 41 5c 41 5d 41 5e 41 5f 41 ff e3 cc 90 e8 bc 7a f2 fd 90 <0f> 0b e8 b4 7a f2 fd 90 0f 0b e8 ac 7a f2 fd 90 0f 0b e8 a4 7a f2 RSP: 0018:ffffc9000d317a30 EFLAGS: 00010283 RAX: ffffffff83cf6514 RBX: 0000000000000001 RCX: 0000000000100000 RDX: ffffc9000e9fa000 RSI: 00000000000005f0 RDI: 00000000000005f1 RBP: ffffc9000d317cf0 R08: ffffffff83cf63fe R09: 1ffffffff2079f4e R10: dffffc0000000000 R11: fffffbfff2079f4f R12: ffff88804599cfb8 R13: dffffc0000000000 R14: ffff888045992570 R15: ffff8880459a4130 FS: 00007fcd9450d6c0(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fcd9399e088 CR3: 00000000411d0000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: ocfs2_group_add+0x3a3/0x15a0 fs/ocfs2/resize.c:507 ocfs2_ioctl+0x65e/0x7d0 fs/ocfs2/ioctl.c:891 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:906 [inline] __se_sys_ioctl+0xf5/0x170 fs/ioctl.c:892 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fcd9378d169 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:00007fcd9450d038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007fcd939a5fa0 RCX: 00007fcd9378d169 RDX: 0000400000000400 RSI: 0000000040186f02 RDI: 0000000000000004 RBP: 00007fcd9380e2a0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007fcd939a5fa0 R15: 00007fff9b54e4e8 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:ocfs2_set_new_buffer_uptodate+0x145/0x160 fs/ocfs2/uptodate.c:509 Code: 03 42 80 3c 20 00 74 08 48 89 df e8 e5 b3 59 fe 4c 8b 1b 4c 89 ff 5b 41 5c 41 5d 41 5e 41 5f 41 ff e3 cc 90 e8 bc 7a f2 fd 90 <0f> 0b e8 b4 7a f2 fd 90 0f 0b e8 ac 7a f2 fd 90 0f 0b e8 a4 7a f2 RSP: 0018:ffffc9000d317a30 EFLAGS: 00010283 RAX: ffffffff83cf6514 RBX: 0000000000000001 RCX: 0000000000100000 RDX: ffffc9000e9fa000 RSI: 00000000000005f0 RDI: 00000000000005f1 RBP: ffffc9000d317cf0 R08: ffffffff83cf63fe R09: 1ffffffff2079f4e R10: dffffc0000000000 R11: fffffbfff2079f4f R12: ffff88804599cfb8 R13: dffffc0000000000 R14: ffff888045992570 R15: ffff8880459a4130 FS: 00007fcd9450d6c0(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f0ba535f999 CR3: 00000000411d0000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400