Warning: Permanently added '[localhost]:40515' (ED25519) to the list of known hosts. executing program syzkaller login: [ 133.393321][ C0] Unable to handle kernel NULL pointer dereference at virtual address 0000000000000090 [ 133.397321][ C0] Mem abort info: [ 133.397713][ C0] ESR = 0x0000000096000006 [ 133.398058][ C0] EC = 0x25: DABT (current EL), IL = 32 bits [ 133.398947][ C0] SET = 0, FnV = 0 [ 133.400194][ C0] EA = 0, S1PTW = 0 [ 133.400563][ C0] FSC = 0x06: level 2 translation fault [ 133.401331][ C0] Data abort info: [ 133.401621][ C0] ISV = 0, ISS = 0x00000006, ISS2 = 0x00000000 [ 133.402079][ C0] CM = 0, WnR = 0, TnD = 0, TagAccess = 0 [ 133.402597][ C0] GCS = 0, Overlay = 0, DirtyBit = 0, Xs = 0 [ 133.403147][ C0] user pgtable: 4k pages, 52-bit VAs, pgdp=000000004605bb80 [ 133.403607][ C0] [0000000000000090] pgd=08000000464ee003, p4d=08000000472aa003, pud=08000000471b8003, pmd=0000000000000000 [ 133.405460][ C0] Internal error: Oops: 0000000096000006 [#1] PREEMPT SMP [ 133.406089][ C0] Modules linked in: [ 133.407041][ C0] CPU: 0 PID: 3192 Comm: syz-executor607 Not tainted 6.10.0-rc1-syzkaller-00027-g4a4be1ad3a6e #0 [ 133.408411][ C0] Hardware name: linux,dummy-virt (DT) [ 133.409383][ C0] pstate: 204000c9 (nzCv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 133.410391][ C0] pc : rb_next+0x1c/0x54 [ 133.412115][ C0] lr : timerqueue_del+0x38/0x70 [ 133.413083][ C0] sp : ffff800080003e70 [ 133.413723][ C0] x29: ffff800080003e70 x28: 0000000000000000 x27: fff000007f8cf780 [ 133.414994][ C0] x26: 0000000000000001 x25: 00000000000000c0 x24: 0000001f0198bc90 [ 133.416292][ C0] x23: fff000007f8cf780 x22: fff000007f8cf7e0 x21: fff000007f8cf780 [ 133.417583][ C0] x20: fff000007f8cf7e0 x19: ffff800088c3bd60 x18: 0000000000000000 [ 133.418875][ C0] x17: fff07ffffd319000 x16: ffff800080000000 x15: 0000ffffef309d38 [ 133.420045][ C0] x14: 00000000000003bb x13: 0000000000000000 x12: ffff8000825e0028 [ 133.421297][ C0] x11: 0000000000000001 x10: 0000000000000200 x9 : 0000000000200000 [ 133.422993][ C0] x8 : 0008000000000000 x7 : ff7ffffffffffbff x6 : 00000000019a23f5 [ 133.424246][ C0] x5 : fff07ffffd319000 x4 : 000000000a2dca90 x3 : ffff800088c3bd60 [ 133.425426][ C0] x2 : ff7000007f8cf8e8 x1 : 0000000000000080 x0 : 0000000000000080 [ 133.426796][ C0] Call trace: [ 133.427418][ C0] rb_next+0x1c/0x54 [ 133.428152][ C0] __hrtimer_run_queues+0x104/0x1bc [ 133.428911][ C0] hrtimer_interrupt+0xe8/0x244 [ 133.429618][ C0] arch_timer_handler_phys+0x2c/0x44 [ 133.430378][ C0] handle_percpu_devid_irq+0x84/0x130 [ 133.431139][ C0] generic_handle_domain_irq+0x2c/0x44 [ 133.431927][ C0] gic_handle_irq+0x40/0xc4 [ 133.432902][ C0] call_on_irq_stack+0x24/0x4c [ 133.433655][ C0] do_interrupt_handler+0x80/0x84 [ 133.434377][ C0] el1_interrupt+0x34/0x64 [ 133.435092][ C0] el1h_64_irq_handler+0x18/0x24 [ 133.435808][ C0] el1h_64_irq+0x64/0x68 [ 133.436464][ C0] contpte_clear_young_dirty_ptes+0x68/0x128 [ 133.437353][ C0] walk_pgd_range+0x4b0/0x8a4 [ 133.438106][ C0] __walk_page_range+0x178/0x180 [ 133.438875][ C0] walk_page_range+0x144/0x224 [ 133.439615][ C0] madvise_free_single_vma+0x134/0x2bc [ 133.440406][ C0] madvise_vma_behavior+0x1d0/0x790 [ 133.441223][ C0] madvise_walk_vmas+0xbc/0x12c [ 133.442006][ C0] do_madvise+0x160/0x418 [ 133.442901][ C0] __arm64_sys_madvise+0x24/0x34 [ 133.443676][ C0] invoke_syscall+0x48/0x118 [ 133.444413][ C0] el0_svc_common.constprop.0+0x40/0xe0 [ 133.445220][ C0] do_el0_svc+0x1c/0x28 [ 133.445930][ C0] el0_svc+0x34/0xf8 [ 133.446590][ C0] el0t_64_sync_handler+0x100/0x12c [ 133.447362][ C0] el0t_64_sync+0x19c/0x1a0 [ 133.448494][ C0] Code: 54000200 f9400401 b4000141 aa0103e0 (f9400821) [ 133.449788][ C0] ---[ end trace 0000000000000000 ]--- [ 133.450809][ C0] Kernel panic - not syncing: Oops: Fatal exception in interrupt [ 133.452029][ C0] SMP: stopping secondary CPUs [ 133.453540][ C0] Kernel Offset: disabled [ 133.454178][ C0] CPU features: 0x00,00000006,8f17bd7c,1767f6bf [ 133.455329][ C0] Memory Limit: none [ 133.456261][ C0] Rebooting in 86400 seconds.. VM DIAGNOSIS: 15:13:11 Registers: info registers vcpu 0 CPU#0 PC=ffff8000808252e0 X00=0000000000000002 X01=0000000000000030 X02=ffff800082965030 X03=ffff800082734108 X04=ffff8000800037df X05=ffff800082850ce7 X06=332e33333120205b X07=205b5d3734393839 X08=7f7f7f7f7f7f7f7f X09=ffff8000800036d0 X10=000000000000005d X11=00000000000002db X12=5b5d373439383933 X13=205d304320202020 X14=0000000000000000 X15=ffff8000800035e0 X16=7472697620746120 X17=72646461206c6175 X18=ffffffffffffffff X19=f2f0000003dc0080 X20=ffff800082850cd0 X21=0000000000000001 X22=0000000000000000 X23=00000000000000c0 X24=000000000000002a X25=ffff8000825dffe0 X26=ffff800082734138 X27=ffff8000825b0008 X28=00000000000000c0 X29=ffff8000800038a0 X30=ffff800080825a64 SP=ffff8000800038a0 PSTATE=804000c9 N--- EL2h SVCR=00000000 -- BTYPE=0 FPCR=00000000 FPSR=00000000 P00=0000000000000000 P01=0000000000000000 P02=0000000000000000 P03=0000000000000000 P04=0000000000000000 P05=0000000000000000 P06=0000000000000000 P07=0000000000000000 P08=0000000000000000 P09=0000000000000000 P10=0000000000000000 P11=0000000000000000 P12=0000000000000000 P13=0000000000000000 P14=0000000000000000 P15=0000000000000000 FFR=0000000000000000 Z00=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000 Z01=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:746f6f723d524553:5500343739373639 Z02=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:00fc000000000000 Z03=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000 Z04=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:3003300330033003:3003300330033003 Z05=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:00000000fc000000:00000000fc000000 Z06=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000 Z07=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000 Z08=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000 Z09=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000 Z10=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000 Z11=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000 Z12=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000 Z13=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000 Z14=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000 Z15=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000 Z16=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000 Z17=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000 Z18=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000 Z19=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000 Z20=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000 Z21=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000 Z22=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000 Z23=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000 Z24=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000 Z25=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000 Z26=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000 Z27=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000 Z28=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000 Z29=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000 Z30=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000 Z31=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000 info registers vcpu 1 CPU#1 PC=ffff80008197f1e4 X00=ffffc1ffc01ca4a8 X01=0000000000000001 X02=0000000000000000 X03=0000000000000000 X04=0000000047292000 X05=00000000472aa000 X06=ffff8000825e3348 X07=0000000000000000 X08=0000000000000003 X09=30c092836209d76e X10=06dac9486da229cb X11=0000000000000001 X12=ffff8000825e0028 X13=0000000000000000 X14=00000000000002d4 X15=0000000000000010 X16=0266004000000000 X17=000000000000ffff X18=0000000000000001 X19=0000000000000000 X20=f8f0000005eaa900 X21=f8f00000062dd7c0 X22=0000000000000000 X23=0000000020509000 X24=0000000020508000 X25=0000000000000000 X26=fff00000071b8810 X27=0000000020c15000 X28=f8f0000005eaa180 X29=ffff800088c4bbb0 X30=ffff80008197ec10 SP=ffff800088c4bbb0 PSTATE=01400009 ---- EL2h SVCR=00000000 -- BTYPE=0 FPCR=00000000 FPSR=00000000 P00=0000000000000000 P01=0000000000000000 P02=0000000000000000 P03=0000000000000000 P04=0000000000000000 P05=0000000000000000 P06=0000000000000000 P07=0000000000000000 P08=0000000000000000 P09=0000000000000000 P10=0000000000000000 P11=0000000000000000 P12=0000000000000000 P13=0000000000000000 P14=0000000000000000 P15=0000000000000000 FFR=0000000000000000 Z00=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000 Z01=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000ffffef309d50:0000ffff93d89cfc Z02=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:00000000fc000000 Z03=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000 Z04=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:3003300330033003:0000000000000000 Z05=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:00000000fc000000:3003300330033003 Z06=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000 Z07=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000 Z08=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000 Z09=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000 Z10=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000 Z11=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000 Z12=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000 Z13=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000 Z14=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000 Z15=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000 Z16=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000ffffef309d50:0000ffffef309d50 Z17=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:ffffff80ffffffd0:0000ffffef309d20 Z18=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000 Z19=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000 Z20=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000 Z21=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000 Z22=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000 Z23=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000 Z24=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000 Z25=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000 Z26=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000 Z27=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000 Z28=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000 Z29=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000 Z30=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000 Z31=0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000:0000000000000000