gfs2_glock_nq+0xa60/0x144c fs/gfs2/glock.c:1534 gfs2_glock_nq_init fs/gfs2/glock.h:246 [inline] do_sync+0x404/0xaf8 fs/gfs2/quota.c:927 gfs2_quota_sync+0x2e8/0x548 fs/gfs2/quota.c:1329 quotad_check_timeo fs/gfs2/quota.c:1519 [inline] gfs2_quotad+0x380/0x788 fs/gfs2/quota.c:1586 kthread+0x37c/0x45c kernel/kthread.c:334 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:870 Unable to handle kernel paging request at virtual address dfff800000000002 Mem abort info: ESR = 0x0000000096000006 EC = 0x25: DABT (current EL), IL = 32 bits SET = 0, FnV = 0 EA = 0, S1PTW = 0 FSC = 0x06: level 2 translation fault Data abort info: ISV = 0, ISS = 0x00000006 CM = 0, WnR = 0 [dfff800000000002] address between user and kernel address ranges Internal error: Oops: 0000000096000006 [#1] PREEMPT SMP Modules linked in: CPU: 1 PID: 4156 Comm: gfs2_quotad Not tainted 5.15.180-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : do_sync+0x8c4/0xaf8 fs/gfs2/quota.c:986 lr : do_sync+0x8a0/0xaf8 fs/gfs2/quota.c:985 sp : ffff8000200c7a60 x29: ffff8000200c7ba0 x28: 0000000000000001 x27: ffff700004018f58 x26: dfff800000000000 x25: 00000000fffffffb x24: ffff0000c77e1700 x23: 0000000000000001 x22: ffff0000e8e23640 x21: ffff8000200c7b20 x20: 0000000000000000 x19: 0000000000000000 x18: ffff8000200c75a0 x17: ffff80000a372870 x16: ffff8000082ed198 x15: ffff8000088cd1c4 x14: ffff8000088d17ec x13: ffff80000802b56c x12: 0000000000000003 x11: 0000000000000000 x10: 0000000000000000 x9 : 90490030abe61800 x8 : 0000000000000002 x7 : 0000000000000000 x6 : ffff8000088d5cb8 x5 : ffff0000e9c59140 x4 : 0000000000000000 x3 : ffff800008046154 x2 : 0000000000000006 x1 : ffff800011cbabe0 x0 : 0000000000000010 Call trace: do_sync+0x8c4/0xaf8 fs/gfs2/quota.c:986 gfs2_quota_sync+0x2e8/0x548 fs/gfs2/quota.c:1329 quotad_check_timeo fs/gfs2/quota.c:1519 [inline] gfs2_quotad+0x380/0x788 fs/gfs2/quota.c:1586 kthread+0x37c/0x45c kernel/kthread.c:334 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:870 Code: 9795a169 f9400294 91004280 d343fc08 (387a6908) ---[ end trace e299648a53590e22 ]--- ---------------- Code disassembly (best guess): 0: 9795a169 bl 0xfffffffffe5685a4 4: f9400294 ldr x20, [x20] 8: 91004280 add x0, x20, #0x10 c: d343fc08 lsr x8, x0, #3 * 10: 387a6908 ldrb w8, [x8, x26] <-- trapping instruction