gfs2: fsid=syz:syz.0: first mount done, others may mount gfs2: fsid=syz:syz.0: can't get quota file inode: -2 gfs2: fsid=syz:syz.0: G: s:UN n:2/922 f:n t:UN d:EX/0 a:0 v:0 r:-128 m:20 p:1 ------------[ cut here ]------------ kernel BUG at fs/gfs2/glock.c:289! Internal error: Oops - BUG: 00000000f2000800 [#1] PREEMPT SMP Modules linked in: CPU: 1 PID: 8485 Comm: syz.0.1810 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : __gfs2_glock_put+0x498/0x51c fs/gfs2/glock.c:289 lr : __gfs2_glock_put+0x498/0x51c fs/gfs2/glock.c:289 sp : ffff800021297290 x29: ffff800021297290 x28: dfff800000000000 x27: ffff700004252e68 x26: ffff0000d43ea000 x25: ffff0000f5a6ad00 x24: 0000000000000041 x23: ffff0000c37d0000 x22: dfff800000000000 x21: 1fffe000186fa015 x20: ffff0000d0ba27e8 x19: ffff0000d0ba24f8 x18: ffff800011a6bd40 x17: 7220303a7620303a x16: ffff8000082d4a88 x15: 0000000000000002 x14: 00000000ffffffff x13: 0000000000000001 x12: 0000000000080000 x11: 000000000004576f x10: ffff800022119000 x9 : c515c34f53a12c00 x8 : c515c34f53a12c00 x7 : 0000000000000001 x6 : 0000000000000001 x5 : ffff8000212968b8 x4 : ffff800015134e80 x3 : ffff800008530c5c x2 : 0000000000000001 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: __gfs2_glock_put+0x498/0x51c fs/gfs2/glock.c:289 gfs2_glock_put+0x48/0x58 fs/gfs2/glock.c:314 gfs2_glock_put_eventually fs/gfs2/super.c:1255 [inline] gfs2_evict_inode+0xb78/0xe20 fs/gfs2/super.c:1532 evict+0x3c8/0x810 fs/inode.c:705 iput_final fs/inode.c:1834 [inline] iput+0x764/0x7f4 fs/inode.c:1860 uninit_statfs fs/gfs2/ops_fstype.c:729 [inline] init_journal+0x6d8/0x1e14 fs/gfs2/ops_fstype.c:860 init_inodes+0xd0/0x2d4 fs/gfs2/ops_fstype.c:929 gfs2_fill_super+0x122c/0x19ec fs/gfs2/ops_fstype.c:1246 get_tree_bdev+0x358/0x544 fs/super.c:1366 gfs2_get_tree+0x54/0x1b4 fs/gfs2/ops_fstype.c:1327 vfs_get_tree+0x90/0x274 fs/super.c:1573 do_new_mount+0x228/0x810 fs/namespace.c:3078 path_mount+0x5b4/0xe78 fs/namespace.c:3408 do_mount fs/namespace.c:3421 [inline] __do_sys_mount fs/namespace.c:3629 [inline] __se_sys_mount fs/namespace.c:3606 [inline] __arm64_sys_mount+0x49c/0x584 fs/namespace.c:3606 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2bc arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140 do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:204 el0_svc+0x58/0x138 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585 Code: aa1f03e0 aa1303e1 52800022 97fff80d (d4210000) ---[ end trace 0000000000000000 ]---