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. ocfs2: Unknown parameter '0xffffffffffffffff Z* m.Dc8'@C9G9?9S{1Jլ5 æԌqqY糔' ------------[ cut here ]------------ kernel BUG at fs/ocfs2/suballoc.c:1383! Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI CPU: 0 UID: 0 PID: 5345 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~bpo12+1 04/01/2014 RIP: 0010:ocfs2_block_group_set_bits+0x857/0x980 fs/ocfs2/suballoc.c:1383 Code: 07 fe c1 38 c1 0f 8c b8 fe ff ff 4c 89 e7 89 f3 e8 6e c9 76 fe 89 de e9 a7 fe ff ff e8 32 1e 0f fe 90 0f 0b e8 2a 1e 0f fe 90 <0f> 0b f3 0f 1e fa 65 8b 1d a0 d6 ce 0e bf 07 00 00 00 89 de e8 50 RSP: 0018:ffffc9000ca9f400 EFLAGS: 00010293 RAX: ffffffff83b1e986 RBX: 0000000000000000 RCX: ffff8880411cc980 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001 RBP: ffffc9000ca9f520 R08: 00000000000003fe R09: 0000000000000001 R10: 00000000fffffffc R11: 0000000000000000 R12: 1ffff110024c8401 R13: 0000000000000001 R14: ffff88804779c178 R15: dffffc0000000000 FS: 00007f0158ff56c0(0000) GS:ffff88808d414000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f35d5aaf947 CR3: 000000001c63c000 CR4: 0000000000352ef0 Call Trace: ocfs2_move_extent fs/ocfs2/move_extents.c:693 [inline] __ocfs2_move_extents_range fs/ocfs2/move_extents.c:865 [inline] ocfs2_move_extents+0x2c39/0x3dd0 fs/ocfs2/move_extents.c:937 ocfs2_ioctl_move_extents+0x568/0x740 fs/ocfs2/move_extents.c:1069 ocfs2_ioctl+0x191/0x750 fs/ocfs2/ioctl.c:942 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:597 [inline] __se_sys_ioctl+0xfc/0x170 fs/ioctl.c:583 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xec/0xf80 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f015cb8f7c9 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:00007f0158ff5038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f015cde5fa0 RCX: 00007f015cb8f7c9 RDX: 00002000000000c0 RSI: 0000000040406f06 RDI: 000000000000000a RBP: 00007f015cc13f91 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f015cde6038 R14: 00007f015cde5fa0 R15: 00007ffcf8da1e98 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:ocfs2_block_group_set_bits+0x857/0x980 fs/ocfs2/suballoc.c:1383 Code: 07 fe c1 38 c1 0f 8c b8 fe ff ff 4c 89 e7 89 f3 e8 6e c9 76 fe 89 de e9 a7 fe ff ff e8 32 1e 0f fe 90 0f 0b e8 2a 1e 0f fe 90 <0f> 0b f3 0f 1e fa 65 8b 1d a0 d6 ce 0e bf 07 00 00 00 89 de e8 50 RSP: 0018:ffffc9000ca9f400 EFLAGS: 00010293 RAX: ffffffff83b1e986 RBX: 0000000000000000 RCX: ffff8880411cc980 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001 RBP: ffffc9000ca9f520 R08: 00000000000003fe R09: 0000000000000001 R10: 00000000fffffffc R11: 0000000000000000 R12: 1ffff110024c8401 R13: 0000000000000001 R14: ffff88804779c178 R15: dffffc0000000000 FS: 00007f0158ff56c0(0000) GS:ffff88808d414000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fe453495fb3 CR3: 000000001c63c000 CR4: 0000000000352ef0