gfs2: fsid=syz:syz.0: G: s:EX n:8/1 f:qb t:EX d:EX/0 a:0 v:0 r:5 m:20 p:0 gfs2: fsid=syz:syz.0: H: s:EX f:cH e:0 p:5993 [syz-executor198] gfs2_quota_sync+0x2a8/0x4b8 fs/gfs2/quota.c:1320 ------------[ cut here ]------------ kernel BUG at fs/gfs2/glock.c:1551! Internal error: Oops - BUG: 00000000f2000800 [#1] PREEMPT SMP Modules linked in: CPU: 0 PID: 5993 Comm: syz-executor198 Not tainted 6.5.0-rc7-syzkaller-gfe4469582053 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023 pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : add_to_queue fs/gfs2/glock.c:1550 [inline] pc : gfs2_glock_nq+0x1098/0x137c fs/gfs2/glock.c:1576 lr : add_to_queue fs/gfs2/glock.c:1550 [inline] lr : gfs2_glock_nq+0x1098/0x137c fs/gfs2/glock.c:1576 sp : ffff800096b875a0 x29: ffff800096b87620 x28: ffff0000d77f6660 x27: ffff0000d77f6600 x26: ffff0000e03592d0 x25: ffff0000c30b5270 x24: ffff0000d77f6622 x23: ffff0000d77f665a x22: ffff0000e03592d8 x21: ffff0000d7ee9000 x20: dfff800000000000 x19: 0000000000000008 x18: ffff800096b86740 x17: 5d383931726f7475 x16: ffff80008a572f54 x15: 0000000000000001 x14: 1fffe0003683ae2a x13: 0000000000000000 x12: 0000000000000000 x11: 0000000000000001 x10: 0000000000000000 x9 : d1757605d7476300 x8 : d1757605d7476300 x7 : 0000000000000001 x6 : 0000000000000001 x5 : ffff800096b869f8 x4 : ffff80008e17f000 x3 : ffff8000805a25e4 x2 : 0000000000000001 x1 : 0000000000000001 x0 : 0000000000000000 Call trace: add_to_queue fs/gfs2/glock.c:1550 [inline] gfs2_glock_nq+0x1098/0x137c fs/gfs2/glock.c:1576 gfs2_glock_nq_init fs/gfs2/glock.h:261 [inline] do_sync+0x37c/0xaf8 fs/gfs2/quota.c:912 gfs2_quota_sync+0x2a8/0x4b8 fs/gfs2/quota.c:1320 gfs2_sync_fs+0x4c/0xc4 fs/gfs2/super.c:680 sync_filesystem+0xe8/0x218 fs/sync.c:56 generic_shutdown_super+0x70/0x328 fs/super.c:472 kill_block_super+0x60/0xa0 fs/super.c:1417 gfs2_kill_sb+0x2cc/0x330 deactivate_locked_super+0xac/0x124 fs/super.c:330 deactivate_super+0xe0/0x100 fs/super.c:361 cleanup_mnt+0x34c/0x3dc fs/namespace.c:1254 __cleanup_mnt+0x20/0x30 fs/namespace.c:1261 task_work_run+0x230/0x2e0 kernel/task_work.c:179 exit_task_work include/linux/task_work.h:38 [inline] do_exit+0x63c/0x1f58 kernel/exit.c:874 do_group_exit+0x194/0x22c kernel/exit.c:1024 __do_sys_exit_group kernel/exit.c:1035 [inline] __se_sys_exit_group kernel/exit.c:1033 [inline] __wake_up_parent+0x0/0x60 kernel/exit.c:1033 __invoke_syscall arch/arm64/kernel/syscall.c:37 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:51 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:136 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:155 el0_svc+0x58/0x16c arch/arm64/kernel/entry-common.c:678 el0t_64_sync_handler+0x84/0xfc arch/arm64/kernel/entry-common.c:696 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:591 Code: aa1f03e0 f9401fe1 52800022 97ffde92 (d4210000) ---[ end trace 0000000000000000 ]---