Unable to handle kernel paging request at virtual address 001f7fe000366e07 Mem abort info: ESR = 0x0000000096000004 EC = 0x25: DABT (current EL), IL = 32 bits SET = 0, FnV = 0 EA = 0, S1PTW = 0 FSC = 0x04: level 0 translation fault Data abort info: ISV = 0, ISS = 0x00000004, ISS2 = 0x00000000 CM = 0, WnR = 0, TnD = 0, TagAccess = 0 GCS = 0, Overlay = 0, DirtyBit = 0, Xs = 0 [001f7fe000366e07] address between user and kernel address ranges Internal error: Oops: 0000000096000004 [#1] SMP Modules linked in: CPU: 0 UID: 0 PID: 15 Comm: ksoftirqd/0 Not tainted 6.15.0-rc1-syzkaller-g0af2f6be1b42 #0 PREEMPT Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 pstate: 804000c5 (Nzcv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : kasan_byte_accessible+0x10/0x20 mm/kasan/generic.c:199 lr : __kasan_check_byte+0x20/0x54 mm/kasan/common.c:556 sp : ffff8000982775e0 x29: ffff8000982775e0 x28: ffff80008ff41000 x27: ffff0000c19f3d00 x26: ffff80008b9b4854 x25: 0000000000000000 x24: 0000000000000001 x23: 0000000000000000 x22: 00ffff0001b3703c x21: 00ffff0001b3703c x20: 0000000000000000 x19: ffff80008b9b4854 x18: 1fffe000366ddab6 x17: ffff80008ff3e000 x16: ffff8000833376cc x15: 0000000000000001 x14: 1fffe0001b3a972d x13: 0000000000000000 x12: 0000000000000000 x11: ffff60001b3a972e x10: 0000000000000003 x9 : 001fffe000366e07 x8 : dfff800000000000 x7 : ffff800080389328 x6 : ffff80008036cd04 x5 : 0000000000000000 x4 : 0000000000000001 x3 : 0000000000000000 x2 : 0000000000000000 x1 : ffff80008b9b4854 x0 : 00ffff0001b3703c Call trace: kasan_mem_to_shadow include/linux/kasan.h:64 [inline] (P) kasan_byte_accessible+0x10/0x20 mm/kasan/generic.c:199 (P) kasan_check_byte include/linux/kasan.h:399 [inline] lock_acquire+0xb4/0x2e8 kernel/locking/lockdep.c:5840 __raw_spin_lock include/linux/spinlock_api_smp.h:133 [inline] _raw_spin_lock+0x48/0x60 kernel/locking/spinlock.c:154 __queue_work+0x8d4/0x1324 kernel/workqueue.c:-1 queue_work_on+0xe0/0x1a0 kernel/workqueue.c:2392 queue_work include/linux/workqueue.h:662 [inline] xlog_bio_end_io+0x84/0x98 fs/xfs/xfs_log.c:1606 bio_endio+0x840/0x87c block/bio.c:1551 blk_update_request+0x4ac/0xda0 block/blk-mq.c:983 blk_mq_end_request+0x54/0x88 block/blk-mq.c:1145 blk_flush_complete_seq+0x58c/0xaf4 block/blk-flush.c:191 flush_end_io+0x9f0/0xd68 block/blk-flush.c:250 __blk_mq_end_request+0x3b4/0x558 block/blk-mq.c:1135 blk_mq_end_request+0x68/0x88 block/blk-mq.c:1147 lo_complete_rq+0x188/0x2f4 drivers/block/loop.c:371 blk_complete_reqs block/blk-mq.c:1220 [inline] blk_done_softirq+0x11c/0x168 block/blk-mq.c:1225 handle_softirqs+0x320/0xd34 kernel/softirq.c:579 run_ksoftirqd+0x70/0xc0 kernel/softirq.c:968 smpboot_thread_fn+0x4d8/0x9cc kernel/smpboot.c:164 kthread+0x674/0x7dc kernel/kthread.c:464 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:862 Code: d503245f d2d00008 d343fc09 f2fbffe8 (38686928) ---[ end trace 0000000000000000 ]--- ---------------- Code disassembly (best guess): 0: d503245f bti c 4: d2d00008 mov x8, #0x800000000000 // #140737488355328 8: d343fc09 lsr x9, x0, #3 c: f2fbffe8 movk x8, #0xdfff, lsl #48 * 10: 38686928 ldrb w8, [x9, x8] <-- trapping instruction