Warning: Permanently added '[localhost]:61388' (ED25519) to the list of known hosts. executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program syzkaller login: [ 154.590986][ T3066] ================================================================== [ 154.597575][ T3066] BUG: KASAN: invalid-access in __packet_get_status+0xb0/0x12c [ 154.599483][ T3066] Read at addr f9ff000006b78000 by task dhcpcd/3066 [ 154.600648][ T3066] Pointer tag: [f9], memory tag: [f0] [ 154.602252][ T3066] [ 154.603103][ T3066] CPU: 1 PID: 3066 Comm: dhcpcd Not tainted 6.7.0-syzkaller-12824-g9d64bf433c53 #0 [ 154.604136][ T3066] Hardware name: linux,dummy-virt (DT) [ 154.605145][ T3066] Call trace: [ 154.605824][ T3066] dump_backtrace+0x94/0xec [ 154.606504][ T3066] show_stack+0x18/0x24 [ 154.607295][ T3066] dump_stack_lvl+0x48/0x60 [ 154.607944][ T3066] print_report+0x108/0x618 [ 154.608262][ T3066] kasan_report+0x88/0xac [ 154.608547][ T3066] __do_kernel_fault+0x17c/0x1e8 [ 154.609212][ T3066] do_tag_check_fault+0x78/0x8c [ 154.609809][ T3066] do_mem_abort+0x44/0x94 [ 154.610262][ T3066] el1_abort+0x40/0x60 [ 154.610548][ T3066] el1h_64_sync_handler+0xd8/0xe4 [ 154.610844][ T3066] el1h_64_sync+0x64/0x68 [ 154.611809][ T3066] __packet_get_status+0xb0/0x12c [ 154.612544][ T3066] __packet_rcv_has_room+0xf8/0x188 [ 154.612953][ T3066] tpacket_rcv+0x158/0xbcc [ 154.613248][ T3066] dev_queue_xmit_nit+0x110/0x2c0 [ 154.614165][ T3066] dev_hard_start_xmit+0x74/0x110 [ 154.614834][ T3066] __dev_queue_xmit+0x1c0/0xe5c [ 154.615141][ T3066] packet_xmit+0xcc/0x144 [ 154.615572][ T3066] packet_sendmsg+0x828/0x1530 [ 154.616425][ T3066] __sock_sendmsg+0x54/0x60 [ 154.616967][ T3066] sock_write_iter+0x98/0xf8 [ 154.617302][ T3066] do_iter_readv_writev+0x10c/0x180 [ 154.617603][ T3066] vfs_writev+0x128/0x2a0 [ 154.618245][ T3066] do_writev+0x120/0x15c [ 154.618903][ T3066] __arm64_sys_writev+0x20/0x2c [ 154.619554][ T3066] invoke_syscall+0x48/0x114 [ 154.619846][ T3066] el0_svc_common.constprop.0+0xc0/0xe0 [ 154.620318][ T3066] do_el0_svc+0x1c/0x28 [ 154.620746][ T3066] el0_svc+0x34/0xd8 [ 154.621043][ T3066] el0t_64_sync_handler+0x100/0x12c [ 154.621410][ T3066] el0t_64_sync+0x19c/0x1a0 [ 154.621930][ T3066] [ 154.622298][ T3066] The buggy address belongs to the physical page: [ 154.623364][ T3066] page:0000000039bb618b refcount:9 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x46b78 [ 154.624381][ T3066] head:0000000039bb618b order:3 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 154.625214][ T3066] flags: 0x1ffc18006000040(head|arch_2|arch_3|node=0|zone=0|lastcpupid=0x7ff|kasantag=0x6) [ 154.626367][ T3066] page_type: 0xffffffff() [ 154.627205][ T3066] raw: 01ffc18006000040 0000000000000000 dead000000000122 0000000000000000 [ 154.627756][ T3066] raw: 0000000000000000 0000000000000000 00000009ffffffff 0000000000000000 [ 154.628419][ T3066] page dumped because: kasan: bad access detected [ 154.628797][ T3066] [ 154.629090][ T3066] Memory state around the buggy address: [ 154.629751][ T3066] ffff000006b77e00: f0 f0 f0 f0 f0 f0 f0 f0 f0 f0 f0 f0 f0 f0 f0 f0 [ 154.630563][ T3066] ffff000006b77f00: f0 f0 f0 f0 f0 f0 f0 f0 f0 f0 f0 f0 f0 f0 f0 f0 [ 154.631796][ T3066] >ffff000006b78000: f0 f0 f0 f0 f0 f0 f0 f0 f0 f0 f0 f0 f0 f0 f0 f0 [ 154.632729][ T3066] ^ [ 154.633323][ T3066] ffff000006b78100: f0 f0 f0 f0 f0 f0 f0 f0 f0 f0 f0 f0 f0 f0 f0 f0 [ 154.633831][ T3066] ffff000006b78200: f0 f0 f0 f0 f0 f0 f0 f0 f0 f0 f0 f0 f0 f0 f0 f0 [ 154.635587][ T3066] ================================================================== [ 154.637428][ T3066] Disabling lock debugging due to kernel taint executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program VM DIAGNOSIS: 13:19:44 Registers: info registers vcpu 0 CPU#0 PC=ffff8000818e7d30 X00=0000000000010e9c X01=ffff00007f9ba790 X02=ffff7ffffd50e000 X03=ffff8000824c3d50 X04=ffff7ffffd50e000 X05=4000000000000000 X06=0000000000000000 X07=ffff00007f9b8be0 X08=ffff8000824ea9a8 X09=f4987e6765712ad7 X10=ef70fdbcae1a13cc X11=0000000000000001 X12=ffff8000824cfe70 X13=000000000000014f X14=000000000000014f X15=0000fffff270ad58 X16=0000000000000000 X17=0000000000000000 X18=0000000000000000 X19=0000000000000000 X20=ffff8000824cfe20 X21=ffff8000824cfe68 X22=ffff8000824e9800 X23=0000000000000000 X24=0000000000000000 X25=ffff8000824e9800 X26=0000000000000000 X27=0000000000000000 X28=00000000425520ac X29=ffff8000824c3d70 X30=ffff8000818e7d44 SP=ffff8000824c3d70 PSTATE=614000c9 -ZC- EL2h SVCR=00000000 -- BTYPE=0 FPCR=00000000 FPSR=00000000 P00=000000000000ffff 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[3-2]=0000000000000000:0000000000000000:0000000000000000:0000000000000000 [1-0]=0000000000000000:0000000000000000:0000000000000000:0000000000000000 Z01[3-2]=0000000000000000:0000000000000000:0000000000000000:0000000000000000 [1-0]=0000000000000000:0000000000000000:00746f6f723d5245:5355003738363538 Z02[3-2]=0000000000000000:0000000000000000:0000000000000000:0000000000000000 [1-0]=0000000000000000:0000000000000000:c000000000000000:0000c00000000000 Z03[3-2]=0000000000000000:0000000000000000:0000000000000000:0000000000000000 [1-0]=0000000000000000:0000000000000000:0000000000000000:0000000000000000 Z04[3-2]=0000000000000000:0000000000000000:0000000000000000:0000000000000000 [1-0]=0000000000000000:0000000000000000:3003300330033003:3003300330033003 Z05[3-2]=0000000000000000:0000000000000000:0000000000000000:0000000000000000 [1-0]=0000000000000000:0000000000000000:c000000000c00000:c000000000c00000 Z06[3-2]=0000000000000000:0000000000000000:0000000000000000:0000000000000000 [1-0]=0000000000000000:0000000000000000:0000000000000000:0000000000000000 Z07[3-2]=0000000000000000:0000000000000000:0000000000000000:0000000000000000 [1-0]=0000000000000000:0000000000000000:0000000000000000:0000000000000000 Z08[3-2]=0000000000000000:0000000000000000:0000000000000000:0000000000000000 [1-0]=0000000000000000:0000000000000000:0000000000000000:0000000000000000 Z09[3-2]=0000000000000000:0000000000000000:0000000000000000:0000000000000000 [1-0]=0000000000000000:0000000000000000:0000000000000000:0000000000000000 Z10[3-2]=0000000000000000:0000000000000000:0000000000000000:0000000000000000 [1-0]=0000000000000000:0000000000000000:0000000000000000:0000000000000000 Z11[3-2]=0000000000000000:0000000000000000:0000000000000000:0000000000000000 [1-0]=0000000000000000:0000000000000000:0000000000000000:0000000000000000 Z12[3-2]=0000000000000000:0000000000000000:0000000000000000:0000000000000000 [1-0]=0000000000000000:0000000000000000:0000000000000000:0000000000000000 Z13[3-2]=0000000000000000:0000000000000000:0000000000000000:0000000000000000 [1-0]=0000000000000000:0000000000000000:0000000000000000:0000000000000000 Z14[3-2]=0000000000000000:0000000000000000:0000000000000000:0000000000000000 [1-0]=0000000000000000:0000000000000000:0000000000000000:0000000000000000 Z15[3-2]=0000000000000000:0000000000000000:0000000000000000:0000000000000000 [1-0]=0000000000000000:0000000000000000:0000000000000000:0000000000000000 Z16[3-2]=0000000000000000:0000000000000000:0000000000000000:0000000000000000 [1-0]=0000000000000000:0000000000000000:0000000000000000:0000000000000000 Z17[3-2]=0000000000000000:0000000000000000:0000000000000000:0000000000000000 [1-0]=0000000000000000:0000000000000000:0000000000000000:0000000000000000 Z18[3-2]=0000000000000000:0000000000000000:0000000000000000:0000000000000000 [1-0]=0000000000000000:0000000000000000:0000000000000000:0000000000000000 Z19[3-2]=0000000000000000:0000000000000000:0000000000000000:0000000000000000 [1-0]=0000000000000000:0000000000000000:0000000000000000:0000000000000000 Z20[3-2]=0000000000000000:0000000000000000:0000000000000000:0000000000000000 [1-0]=0000000000000000:0000000000000000:0000000000000000:0000000000000000 Z21[3-2]=0000000000000000:0000000000000000:0000000000000000:0000000000000000 [1-0]=0000000000000000:0000000000000000:0000000000000000:0000000000000000 Z22[3-2]=0000000000000000:0000000000000000:0000000000000000:0000000000000000 [1-0]=0000000000000000:0000000000000000:0000000000000000:0000000000000000 Z23[3-2]=0000000000000000:0000000000000000:0000000000000000:0000000000000000 [1-0]=0000000000000000:0000000000000000:0000000000000000:0000000000000000 Z24[3-2]=0000000000000000:0000000000000000:0000000000000000:0000000000000000 [1-0]=0000000000000000:0000000000000000:0000000000000000:0000000000000000 Z25[3-2]=0000000000000000:0000000000000000:0000000000000000:0000000000000000 [1-0]=0000000000000000:0000000000000000:0000000000000000:0000000000000000 Z26[3-2]=0000000000000000:0000000000000000:0000000000000000:0000000000000000 [1-0]=0000000000000000:0000000000000000:0000000000000000:0000000000000000 Z27[3-2]=0000000000000000:0000000000000000:0000000000000000:0000000000000000 [1-0]=0000000000000000:0000000000000000:0000000000000000:0000000000000000 Z28[3-2]=0000000000000000:0000000000000000:0000000000000000:0000000000000000 [1-0]=0000000000000000:0000000000000000:0000000000000000:0000000000000000 Z29[3-2]=0000000000000000:0000000000000000:0000000000000000:0000000000000000 [1-0]=0000000000000000:0000000000000000:0000000000000000:0000000000000000 Z30[3-2]=0000000000000000:0000000000000000:0000000000000000:0000000000000000 [1-0]=0000000000000000:0000000000000000:0000000000000000:0000000000000000 Z31[3-2]=0000000000000000:0000000000000000:0000000000000000:0000000000000000 [1-0]=0000000000000000:0000000000000000:0000000000000000:0000000000000000 info registers vcpu 1 CPU#1 PC=ffff8000802c6b68 X00=0000000000000023 X01=f5ff000004f48000 X02=0000000000000000 X03=0000000000000000 X04=0000000000000000 X05=ffff00007f9cbd08 X06=80000000ffffe000 X07=ffff8000825ab238 X08=00000000ffffdfff X09=ffff8000824fb238 X10=ffff8000825ab238 X11=00000000000002d4 X12=000000000000087c X13=ffff8000824fb238 X14=0000000000000000 X15=ffff800082c1af10 X16=3d3d3d3d3d3d3d3d X17=3d3d3d3d3d3d3d3d X18=ffffffffffffffff X19=ffff800082c1b580 X20=ffff000006b78000 X21=f9ff000006b78000 X22=0000000006b78000 X23=ffff80008228b000 X24=0000000000000148 X25=f8ff00000345e000 X26=f0ff00000575e100 X27=f4ff000005272800 X28=f5ff000004f48000 X29=ffff800082c1b4c0 X30=ffff8000802c6b68 SP=ffff800082c1b4c0 PSTATE=624000c9 -ZC- 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[3-2]=0000000000000000:0000000000000000:0000000000000000:0000000000000000 [1-0]=0000000000000000:0000000000000000:ffffffffffffffff:ffffffffffffffff Z01[3-2]=0000000000000000:0000000000000000:0000000000000000:0000000000000000 [1-0]=0000000000000000:0000000000000000:0000000f00000054:0000000000000050 Z02[3-2]=0000000000000000:0000000000000000:0000000000000000:0000000000000000 [1-0]=0000000000000000:0000000000000000:f00ff00ff00ff00f:f00ff00ff00ff00f Z03[3-2]=0000000000000000:0000000000000000:0000000000000000:0000000000000000 [1-0]=0000000000000000:0000000000000000:000000000000000f:f000f000f000f000 Z04[3-2]=0000000000000000:0000000000000000:0000000000000000:0000000000000000 [1-0]=0000000000000000:0000000000000000:f00ff00ff00ff00f:f00ff00ff00ff00f Z05[3-2]=0000000000000000:0000000000000000:0000000000000000:0000000000000000 [1-0]=0000000000000000:0000000000000000:0000000ff0f0f0f0:0000000ff0f0f0f0 Z06[3-2]=0000000000000000:0000000000000000:0000000000000000:0000000000000000 [1-0]=0000000000000000:0000000000000000:00f0000000000000:00f0000000000000 Z07[3-2]=0000000000000000:0000000000000000:0000000000000000:0000000000000000 [1-0]=0000000000000000:0000000000000000:0000000000000000:0000000000000000 Z08[3-2]=0000000000000000:0000000000000000:0000000000000000:0000000000000000 [1-0]=0000000000000000:0000000000000000:0000000000000000:0000000000000000 Z09[3-2]=0000000000000000:0000000000000000:0000000000000000:0000000000000000 [1-0]=0000000000000000:0000000000000000:0000000000000000:0000000000000000 Z10[3-2]=0000000000000000:0000000000000000:0000000000000000:0000000000000000 [1-0]=0000000000000000:0000000000000000:0000000000000000:0000000000000000 Z11[3-2]=0000000000000000:0000000000000000:0000000000000000:0000000000000000 [1-0]=0000000000000000:0000000000000000:0000000000000000:0000000000000000 Z12[3-2]=0000000000000000:0000000000000000:0000000000000000:0000000000000000 [1-0]=0000000000000000:0000000000000000:0000000000000000:0000000000000000 Z13[3-2]=0000000000000000:0000000000000000:0000000000000000:0000000000000000 [1-0]=0000000000000000:0000000000000000:0000000000000000:0000000000000000 Z14[3-2]=0000000000000000:0000000000000000:0000000000000000:0000000000000000 [1-0]=0000000000000000:0000000000000000:0000000000000000:0000000000000000 Z15[3-2]=0000000000000000:0000000000000000:0000000000000000:0000000000000000 [1-0]=0000000000000000:0000000000000000:0000000000000000:0000000000000000 Z16[3-2]=0000000000000000:0000000000000000:0000000000000000:0000000000000000 [1-0]=0000000000000000:0000000000000000:0000000000000000:0000000000000000 Z17[3-2]=0000000000000000:0000000000000000:0000000000000000:0000000000000000 [1-0]=0000000000000000:0000000000000000:0000000000000000:0000000000000000 Z18[3-2]=0000000000000000:0000000000000000:0000000000000000:0000000000000000 [1-0]=0000000000000000:0000000000000000:0000000000000000:0000000000000000 Z19[3-2]=0000000000000000:0000000000000000:0000000000000000:0000000000000000 [1-0]=0000000000000000:0000000000000000:0000000000000000:0000000000000000 Z20[3-2]=0000000000000000:0000000000000000:0000000000000000:0000000000000000 [1-0]=0000000000000000:0000000000000000:0000000000000000:0000000000000000 Z21[3-2]=0000000000000000:0000000000000000:0000000000000000:0000000000000000 [1-0]=0000000000000000:0000000000000000:0000000000000000:0000000000000000 Z22[3-2]=0000000000000000:0000000000000000:0000000000000000:0000000000000000 [1-0]=0000000000000000:0000000000000000:0000000000000000:0000000000000000 Z23[3-2]=0000000000000000:0000000000000000:0000000000000000:0000000000000000 [1-0]=0000000000000000:0000000000000000:0000000000000000:0000000000000000 Z24[3-2]=0000000000000000:0000000000000000:0000000000000000:0000000000000000 [1-0]=0000000000000000:0000000000000000:0000000000000000:0000000000000000 Z25[3-2]=0000000000000000:0000000000000000:0000000000000000:0000000000000000 [1-0]=0000000000000000:0000000000000000:0000000000000000:0000000000000000 Z26[3-2]=0000000000000000:0000000000000000:0000000000000000:0000000000000000 [1-0]=0000000000000000:0000000000000000:0000000000000000:0000000000000000 Z27[3-2]=0000000000000000:0000000000000000:0000000000000000:0000000000000000 [1-0]=0000000000000000:0000000000000000:0000000000000000:0000000000000000 Z28[3-2]=0000000000000000:0000000000000000:0000000000000000:0000000000000000 [1-0]=0000000000000000:0000000000000000:0000000000000000:0000000000000000 Z29[3-2]=0000000000000000:0000000000000000:0000000000000000:0000000000000000 [1-0]=0000000000000000:0000000000000000:0000000000000000:0000000000000000 Z30[3-2]=0000000000000000:0000000000000000:0000000000000000:0000000000000000 [1-0]=0000000000000000:0000000000000000:0000000000000000:0000000000000000 Z31[3-2]=0000000000000000:0000000000000000:0000000000000000:0000000000000000 [1-0]=0000000000000000:0000000000000000:0000000000000000:0000000000000000