Unable to handle kernel paging request at virtual address dfff8000000000bd 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 [dfff8000000000bd] address between user and kernel address ranges Internal error: Oops: 0000000096000006 [#1] PREEMPT SMP Modules linked in: CPU: 0 PID: 4217 Comm: syz-executor Not tainted 5.15.174-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/25/2024 pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : blkg_tryget_closest block/blk-cgroup.c:1831 [inline] pc : bio_associate_blkg_from_css+0x278/0x870 block/blk-cgroup.c:1865 lr : rcu_read_lock include/linux/rcupdate.h:740 [inline] lr : blkg_tryget_closest block/blk-cgroup.c:1829 [inline] lr : bio_associate_blkg_from_css+0xbc/0x870 block/blk-cgroup.c:1865 sp : ffff8000201a7350 x29: ffff8000201a7390 x28: dfff800000000000 x27: 1fffe000191d92a2 x26: 1fffe000191d92a9 x25: 0000000000000000 x24: ffff0000c8ec9548 x23: ffff0000d74c1110 x22: 0000000000000001 x21: dfff800000000000 x20: 00000000000005e8 x19: ffff0000d74c1000 x18: ffff8000201a6b40 x17: 1ae09950637cf1f2 x16: ffff800011b4e2a8 x15: ffff8000089b4334 x14: 1ffff0000296e06c x13: dfff800000000000 x12: 000000008b37a657 x11: 0000000000000000 x10: 0000000000000000 x9 : ffff0000c2f5b680 x8 : 00000000000000bd x7 : ffff80000a91a034 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : 0000000000000002 x2 : 0000000000000008 x1 : ffff800012165740 x0 : 0000000000000001 Call trace: blkg_tryget_closest block/blk-cgroup.c:1831 [inline] bio_associate_blkg_from_css+0x278/0x870 block/blk-cgroup.c:1865 bio_associate_blkg+0x238/0x360 block/blk-cgroup.c:1893 lbmStartIO+0x1b0/0x430 fs/jfs/jfs_logmgr.c:2130 lbmWrite+0x320/0x404 fs/jfs/jfs_logmgr.c:2079 lmNextPage+0x584/0x860 fs/jfs/jfs_logmgr.c:614 lmWriteRecord+0x3ec/0xfb0 fs/jfs/jfs_logmgr.c:441 lmLog+0x5c0/0x890 fs/jfs/jfs_logmgr.c:314 diLog fs/jfs/jfs_txnmgr.c:1452 [inline] txLog fs/jfs/jfs_txnmgr.c:1404 [inline] txCommit+0x1580/0x55b0 fs/jfs/jfs_txnmgr.c:1264 jfs_unlink+0x454/0x9cc fs/jfs/namei.c:555 vfs_unlink+0x2f0/0x508 fs/namei.c:4280 do_unlinkat+0x4cc/0x830 fs/namei.c:4348 __do_sys_unlinkat fs/namei.c:4391 [inline] __se_sys_unlinkat fs/namei.c:4384 [inline] __arm64_sys_unlinkat+0xcc/0xfc fs/namei.c:4384 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181 el0_svc+0x7c/0x1f0 arch/arm64/kernel/entry-common.c:608 el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 Code: 977ef5b2 f9400288 9117a114 d343fe88 (387c6908) ---[ end trace 38f404874f8e302a ]--- ---------------- Code disassembly (best guess): 0: 977ef5b2 bl 0xfffffffffdfbd6c8 4: f9400288 ldr x8, [x20] 8: 9117a114 add x20, x8, #0x5e8 c: d343fe88 lsr x8, x20, #3 * 10: 387c6908 ldrb w8, [x8, x28] <-- trapping instruction