RBP: 00007ffd9a705840 R08: 0000000000000000 R09: 0000000000000000 R10: 00000000ffffffff R11: 0000000000000246 R12: 00007ffd9a706900 R13: 00007fdc260c73b9 R14: 000000000009b797 R15: 0000000000000016 ------------[ cut here ]------------ kernel BUG at fs/gfs2/quota.c:1485! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 5059 Comm: syz-executor.0 Not tainted 6.6.0-rc1-syzkaller-00033-g3669558bdf35 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023 RIP: 0010:gfs2_quota_cleanup+0x6b4/0x6c0 fs/gfs2/quota.c:1485 Code: 26 fe e9 cf fd ff ff 44 89 e9 80 e1 07 80 c1 03 38 c1 0f 8c 2d fe ff ff 4c 89 ef e8 16 26 26 fe e9 20 fe ff ff e8 bc 3b cc fd <0f> 0b e8 85 2c 08 07 0f 1f 44 00 00 66 0f 1f 00 55 41 57 41 56 41 RSP: 0018:ffffc900041ffa80 EFLAGS: 00010293 RAX: ffffffff83c167d4 RBX: 0000000000000002 RCX: ffff88801d0d3b80 RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000 RBP: ffffc900041ffb90 R08: ffffffff83c16230 R09: 1ffff11003d14815 R10: dffffc0000000000 R11: ffffed1003d14816 R12: dffffc0000000000 R13: dffffc0000000000 R14: 0000000000000000 R15: ffff88801e8a4000 FS: 0000555556746480(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000016b50e0 CR3: 000000002bfb5000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: gfs2_make_fs_ro+0x29e/0x320 fs/gfs2/super.c:574 gfs2_put_super+0x235/0x8d0 fs/gfs2/super.c:606 generic_shutdown_super+0x13a/0x2c0 fs/super.c:693 kill_block_super+0x41/0x70 fs/super.c:1646 deactivate_locked_super+0xa4/0x110 fs/super.c:481 cleanup_mnt+0x426/0x4c0 fs/namespace.c:1254 task_work_run+0x24a/0x300 kernel/task_work.c:179 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline] exit_to_user_mode_loop+0xd9/0x100 kernel/entry/common.c:171 exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:204 __syscall_exit_to_user_mode_work kernel/entry/common.c:285 [inline] syscall_exit_to_user_mode+0x64/0x280 kernel/entry/common.c:296 do_syscall_64+0x4d/0xc0 arch/x86/entry/common.c:86 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fdc2607de17 Code: b0 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 b0 ff ff ff f7 d8 64 89 02 b8 RSP: 002b:00007ffd9a705788 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fdc2607de17 RDX: 0000000000000000 RSI: 000000000000000a RDI: 00007ffd9a705840 RBP: 00007ffd9a705840 R08: 0000000000000000 R09: 0000000000000000 R10: 00000000ffffffff R11: 0000000000000246 R12: 00007ffd9a706900 R13: 00007fdc260c73b9 R14: 000000000009b797 R15: 0000000000000016 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:gfs2_quota_cleanup+0x6b4/0x6c0 fs/gfs2/quota.c:1485 Code: 26 fe e9 cf fd ff ff 44 89 e9 80 e1 07 80 c1 03 38 c1 0f 8c 2d fe ff ff 4c 89 ef e8 16 26 26 fe e9 20 fe ff ff e8 bc 3b cc fd <0f> 0b e8 85 2c 08 07 0f 1f 44 00 00 66 0f 1f 00 55 41 57 41 56 41 RSP: 0018:ffffc900041ffa80 EFLAGS: 00010293 RAX: ffffffff83c167d4 RBX: 0000000000000002 RCX: ffff88801d0d3b80 RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000 RBP: ffffc900041ffb90 R08: ffffffff83c16230 R09: 1ffff11003d14815 R10: dffffc0000000000 R11: ffffed1003d14816 R12: dffffc0000000000 R13: dffffc0000000000 R14: 0000000000000000 R15: ffff88801e8a4000 FS: 0000555556746480(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055d7f94b7000 CR3: 000000002bfb5000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400