gfs2: fsid=syz:syz.0: G: s:UN n:2/47 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: 4383 Comm: syz-executor Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 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 : ffff800020a07450 x29: ffff800020a07450 x28: dfff800000000000 x27: ffff700004140ea0 x26: ffff0000d5dda000 x25: ffff0000e2b798d8 x24: 0000000000000051 x23: ffff0000df0d0000 x22: dfff800000000000 x21: 1fffe0001be1a015 x20: ffff0000d82d1810 x19: ffff0000d82d1520 x18: ffff800011abbcc0 x17: 3a7220303a762030 x16: ffff8000082d22e0 x15: 0000000000000000 x14: 00000000ffffffff x13: 0000000000000001 x12: 0000000000ff0100 x11: ff0080000a1901e4 x10: 0000000000000000 x9 : 87b2d71ccbd7a600 x8 : 87b2d71ccbd7a600 x7 : 0000000000000001 x6 : 0000000000000001 x5 : ffff800020a06a78 x4 : ffff8000151a4820 x3 : ffff80000a84592c x2 : ffff00019f6ddd10 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:1257 [inline] gfs2_evict_inode+0xb78/0xe20 fs/gfs2/super.c:1534 evict+0x3c8/0x810 fs/inode.c:705 iput_final fs/inode.c:1834 [inline] iput+0x764/0x7f4 fs/inode.c:1860 gfs2_jindex_free+0x2d0/0x380 fs/gfs2/super.c:75 gfs2_put_super+0x6c8/0x764 fs/gfs2/super.c:635 generic_shutdown_super+0x130/0x324 fs/super.c:501 kill_block_super+0x70/0xdc fs/super.c:1470 gfs2_kill_sb+0xc0/0xd4 fs/gfs2/ops_fstype.c:-1 deactivate_locked_super+0xac/0x124 fs/super.c:332 deactivate_super+0xe8/0x108 fs/super.c:363 cleanup_mnt+0x37c/0x404 fs/namespace.c:1182 __cleanup_mnt+0x20/0x30 fs/namespace.c:1189 task_work_run+0x1ec/0x270 kernel/task_work.c:203 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline] do_notify_resume+0x1f70/0x2b0c arch/arm64/kernel/signal.c:1137 prepare_exit_to_user_mode arch/arm64/kernel/entry-common.c:137 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:142 [inline] el0_svc+0x98/0x138 arch/arm64/kernel/entry-common.c:638 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 ]---