Unable to handle kernel paging request at virtual address 007000000c9c0b60 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 [007000000c9c0b60] address between user and kernel address ranges Internal error: Oops: 0000000096000004 [#1] PREEMPT SMP Modules linked in: CPU: 0 PID: 3979 Comm: syz-executor.0 Not tainted 6.10.0-rc1-syzkaller-00021-ge0cce98fe279 #0 Hardware name: linux,dummy-virt (DT) pstate: 204000c9 (nzCv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : skip_blocked_update kernel/sched/fair.c:4446 [inline] pc : __update_blocked_fair kernel/sched/fair.c:9406 [inline] pc : sched_balance_update_blocked_averages+0x240/0x5a4 kernel/sched/fair.c:9500 lr : update_cfs_rq_load_avg kernel/sched/fair.c:4634 [inline] lr : __update_blocked_fair kernel/sched/fair.c:9394 [inline] lr : sched_balance_update_blocked_averages+0x22c/0x5a4 kernel/sched/fair.c:9500 sp : ffff800080003e80 x29: ffff800080003e80 x28: 0000000000000100 x27: 0000003e832edae0 x26: fdf000000c9c0800 x25: 0000000000000000 x24: fff000007f8d6cc0 x23: 0000000000000000 x22: 0000000000000000 x21: fdf000000c9c0948 x20: fff000007f8d6340 x19: fcf000000a03c000 x18: 0000000000000000 x17: fff07ffffd319000 x16: ffff800080000000 x15: 0000ffffe1769e78 x14: 00000000000003b6 x13: 00000000000003b6 x12: 0000000000000000 x11: 0000000000000000 x10: 00000048195b50b0 x9 : 0000000000000800 x8 : fdf000000c9c0880 x7 : fdf000000c9c0800 x6 : 0000000000000400 x5 : f3f000000c5c4980 x4 : 0000000000000002 x3 : 0000000000000000 x2 : 0000003e832ed800 x1 : fa7000000c9c0a80 x0 : f0f000000438cdc0 Call trace: __update_blocked_fair kernel/sched/fair.c:9406 [inline] sched_balance_update_blocked_averages+0x240/0x5a4 kernel/sched/fair.c:9500 sched_balance_softirq+0x44/0x74 kernel/sched/fair.c:12502 handle_softirqs+0x10c/0x240 kernel/softirq.c:554 __do_softirq+0x14/0x20 kernel/softirq.c:588 ____do_softirq+0x10/0x1c arch/arm64/kernel/irq.c:81 call_on_irq_stack+0x24/0x4c arch/arm64/kernel/entry.S:889 do_softirq_own_stack+0x1c/0x28 arch/arm64/kernel/irq.c:86 invoke_softirq kernel/softirq.c:435 [inline] __irq_exit_rcu kernel/softirq.c:637 [inline] irq_exit_rcu+0xbc/0xd8 kernel/softirq.c:649 __el1_irq arch/arm64/kernel/entry-common.c:537 [inline] el1_interrupt+0x38/0x64 arch/arm64/kernel/entry-common.c:551 el1h_64_irq_handler+0x18/0x24 arch/arm64/kernel/entry-common.c:556 el1h_64_irq+0x64/0x68 arch/arm64/kernel/entry.S:594 tlb_get_level arch/arm64/include/asm/tlb.h:45 [inline] tlb_flush arch/arm64/include/asm/tlb.h:63 [inline] tlb_flush_mmu_tlbonly include/asm-generic/tlb.h:465 [inline] tlb_end_vma include/asm-generic/tlb.h:566 [inline] madvise_free_single_vma+0x208/0x2bc mm/madvise.c:817 madvise_dontneed_free mm/madvise.c:929 [inline] madvise_vma_behavior+0x1d0/0x790 mm/madvise.c:1046 madvise_walk_vmas+0xbc/0x12c mm/madvise.c:1268 do_madvise+0x160/0x418 mm/madvise.c:1464 __do_sys_madvise mm/madvise.c:1481 [inline] __se_sys_madvise mm/madvise.c:1479 [inline] __arm64_sys_madvise+0x24/0x34 mm/madvise.c:1479 __invoke_syscall arch/arm64/kernel/syscall.c:34 [inline] invoke_syscall+0x48/0x118 arch/arm64/kernel/syscall.c:48 el0_svc_common.constprop.0+0x40/0xe0 arch/arm64/kernel/syscall.c:133 do_el0_svc+0x1c/0x28 arch/arm64/kernel/syscall.c:152 el0_svc+0x34/0xf8 arch/arm64/kernel/entry-common.c:712 el0t_64_sync_handler+0x100/0x12c arch/arm64/kernel/entry-common.c:730 el0t_64_sync+0x19c/0x1a0 arch/arm64/kernel/entry.S:598 Code: f940af41 f9406420 f8776801 b4000101 (f9407020) ---[ end trace 0000000000000000 ]--- ---------------- Code disassembly (best guess): 0: f940af41 ldr x1, [x26, #344] 4: f9406420 ldr x0, [x1, #200] 8: f8776801 ldr x1, [x0, x23] c: b4000101 cbz x1, 0x2c * 10: f9407020 ldr x0, [x1, #224] <-- trapping instruction