netlink: 24 bytes leftover after parsing attributes in process `syz.0.0'. loop0: detected capacity change from 0 to 32768 gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" gfs2: fsid=syz:syz: Now mounting FS (format 1801)... gfs2: fsid=syz:syz.0: journal 0 mapped with 1 extents in 0ms gfs2: fsid=syz:syz.0: first mount done, others may mount gfs2: fsid=syz:syz.0: Corruption found in quota_change0file: duplicate identifier in slot 42780 gfs2: fsid=syz:syz.0: warning: assertion "!qd->qd_change" failed - function = gfs2_qd_dispose, file = fs/gfs2/quota.c, line = 129 ------------[ cut here ]------------ kernel BUG at fs/gfs2/util.c:414! Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI CPU: 0 UID: 0 PID: 5327 Comm: syz.0.0 Not tainted 6.15.0-rc1-syzkaller-00025-gbec7dcbc242c #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:gfs2_assert_warn_i+0x2df/0x2f0 fs/gfs2/util.c:414 Code: fe 48 c7 c7 a0 86 90 8c 48 89 ee 48 8b 54 24 08 48 8b 4c 24 10 4c 8b 44 24 18 44 8b 4c 24 04 e8 f7 1f fc fc e8 52 71 98 fd 90 <0f> 0b 66 66 66 66 66 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 RSP: 0018:ffffc9000d3af648 EFLAGS: 00010246 RAX: ffffffff842ae41e RBX: 0000000000000004 RCX: 0000000000100000 RDX: ffffc9000e0ea000 RSI: 00000000000fffff RDI: 0000000000100000 RBP: ffff8880444ac000 R08: ffffffff842ae2d7 R09: 1ffff92001a75e64 R10: dffffc0000000000 R11: fffff52001a75e65 R12: ffff8880444ac2bc R13: 00000000000003e8 R14: 1ffff11008895857 R15: 0000000000000486 FS: 00007f20b4de66c0(0000) GS:ffff88808c596000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055efb6896000 CR3: 000000003694a000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: gfs2_qd_dispose+0x4af/0x5b0 fs/gfs2/quota.c:129 gfs2_quota_init+0xd72/0x1430 fs/gfs2/quota.c:1469 gfs2_make_fs_rw+0x44a/0x5d0 fs/gfs2/super.c:159 gfs2_fill_super+0x2529/0x27b0 fs/gfs2/ops_fstype.c:1274 get_tree_bdev_flags+0x490/0x5c0 fs/super.c:1636 gfs2_get_tree+0x54/0x220 fs/gfs2/ops_fstype.c:1330 vfs_get_tree+0x90/0x2b0 fs/super.c:1759 do_new_mount+0x2cf/0xb70 fs/namespace.c:3879 do_mount fs/namespace.c:4219 [inline] __do_sys_mount fs/namespace.c:4430 [inline] __se_sys_mount+0x38c/0x400 fs/namespace.c:4407 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f20b3f8e90a Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 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:00007f20b4de5e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007f20b4de5ef0 RCX: 00007f20b3f8e90a RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007f20b4de5eb0 RBP: 0000200000037f40 R08: 00007f20b4de5ef0 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80 R13: 00007f20b4de5eb0 R14: 0000000000037fa4 R15: 0000200000000600 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:gfs2_assert_warn_i+0x2df/0x2f0 fs/gfs2/util.c:414 Code: fe 48 c7 c7 a0 86 90 8c 48 89 ee 48 8b 54 24 08 48 8b 4c 24 10 4c 8b 44 24 18 44 8b 4c 24 04 e8 f7 1f fc fc e8 52 71 98 fd 90 <0f> 0b 66 66 66 66 66 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 RSP: 0018:ffffc9000d3af648 EFLAGS: 00010246 RAX: ffffffff842ae41e RBX: 0000000000000004 RCX: 0000000000100000 RDX: ffffc9000e0ea000 RSI: 00000000000fffff RDI: 0000000000100000 RBP: ffff8880444ac000 R08: ffffffff842ae2d7 R09: 1ffff92001a75e64 R10: dffffc0000000000 R11: fffff52001a75e65 R12: ffff8880444ac2bc R13: 00000000000003e8 R14: 1ffff11008895857 R15: 0000000000000486 FS: 00007f20b4de66c0(0000) GS:ffff88808c596000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055efb6896000 CR3: 000000003694a000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400