[ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... Starting Load/Save RF Kill Switch Status... [ OK ] Started Update UTMP about System Runlevel Changes. [ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.10.11' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 66.700471][ T8481] BUG: unable to handle page fault for address: fffff5200994ae06 [ 66.708256][ T8481] #PF: supervisor read access in kernel mode [ 66.714209][ T8481] #PF: error_code(0x0000) - not-present page [ 66.720159][ T8481] PGD 23fff2067 P4D 23fff2067 PUD 101a4067 PMD 38478067 PTE 0 [ 66.727603][ T8481] Oops: 0000 [#1] PREEMPT SMP KASAN [ 66.732776][ T8481] CPU: 0 PID: 8481 Comm: syz-executor028 Not tainted 5.10.0-rc6-syzkaller #0 [ 66.741502][ T8481] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 66.751554][ T8481] RIP: 0010:htab_map_alloc+0xd9b/0x1230 [ 66.757072][ T8481] Code: 42 0f b6 14 22 84 d2 74 09 80 fa 03 0f 8e 82 03 00 00 89 da 0f af 95 d0 02 00 00 48 8d 54 16 30 48 01 ca 48 89 d1 48 c1 e9 03 <42> 80 3c 21 00 0f 85 31 03 00 00 4c 89 32 be 2d 01 00 00 31 d2 83 [ 66.776657][ T8481] RSP: 0018:ffffc90000e8fcb0 EFLAGS: 00010a06 [ 66.782698][ T8481] RAX: ffffed1003494003 RBX: 0000000000000400 RCX: 1ffff9200994ae06 [ 66.790657][ T8481] RDX: ffffc9004ca57030 RSI: ffffc9000c949000 RDI: ffff888021e4e338 [ 66.798603][ T8481] RBP: ffff88801a4a0000 R08: 0000000000000000 R09: ffffffff8cecff4f [ 66.806556][ T8481] R10: 0000000000000000 R11: 0000000000000000 R12: dffffc0000000000 [ 66.814500][ T8481] R13: ffffed1003494004 R14: 0000607f45e35bf8 R15: 0000000000002400 [ 66.822459][ T8481] FS: 0000000001b89880(0000) GS:ffff8880b9e00000(0000) knlGS:0000000000000000 [ 66.831364][ T8481] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 66.837924][ T8481] CR2: fffff5200994ae06 CR3: 000000001b3a6000 CR4: 00000000001506f0 [ 66.845872][ T8481] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 66.853818][ T8481] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 66.861761][ T8481] Call Trace: [ 66.865032][ T8481] ? htab_map_alloc_check+0x2ee/0x430 [ 66.870378][ T8481] ? htab_percpu_map_seq_show_elem+0x4a0/0x4a0 [ 66.876528][ T8481] __do_sys_bpf+0xa81/0x5170 [ 66.881112][ T8481] ? bpf_link_get_from_fd+0x110/0x110 [ 66.886465][ T8481] ? __up_read+0x1a1/0x7b0 [ 66.890856][ T8481] ? _down_write_nest_lock+0x150/0x150 [ 66.896309][ T8481] ? syscall_enter_from_user_mode+0x1d/0x50 [ 66.902178][ T8481] do_syscall_64+0x2d/0x70 [ 66.906570][ T8481] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 66.912501][ T8481] RIP: 0033:0x4412f9 [ 66.916476][ T8481] Code: e8 fc ab 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 1b 09 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 66.936057][ T8481] RSP: 002b:00007ffff64779f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 66.944445][ T8481] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004412f9 [ 66.952394][ T8481] RDX: 0000000000000040 RSI: 0000000020000540 RDI: 0400000000000000 [ 66.960357][ T8481] RBP: 00000000006cb018 R08: 0000000000000004 R09: 00000000004002c8 [ 66.968318][ T8481] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000004020a0 [ 66.976311][ T8481] R13: 0000000000402130 R14: 0000000000000000 R15: 0000000000000000 [ 66.984259][ T8481] Modules linked in: [ 66.988148][ T8481] CR2: fffff5200994ae06 [ 66.992280][ T8481] ---[ end trace a6278fbbb0d27eab ]--- [ 66.997723][ T8481] RIP: 0010:htab_map_alloc+0xd9b/0x1230 [ 67.003243][ T8481] Code: 42 0f b6 14 22 84 d2 74 09 80 fa 03 0f 8e 82 03 00 00 89 da 0f af 95 d0 02 00 00 48 8d 54 16 30 48 01 ca 48 89 d1 48 c1 e9 03 <42> 80 3c 21 00 0f 85 31 03 00 00 4c 89 32 be 2d 01 00 00 31 d2 83 [ 67.022835][ T8481] RSP: 0018:ffffc90000e8fcb0 EFLAGS: 00010a06 [ 67.028889][ T8481] RAX: ffffed1003494003 RBX: 0000000000000400 RCX: 1ffff9200994ae06 [ 67.036843][ T8481] RDX: ffffc9004ca57030 RSI: ffffc9000c949000 RDI: ffff888021e4e338 [ 67.044804][ T8481] RBP: ffff88801a4a0000 R08: 0000000000000000 R09: ffffffff8cecff4f [ 67.052762][ T8481] R10: 0000000000000000 R11: 0000000000000000 R12: dffffc0000000000 [ 67.060715][ T8481] R13: ffffed1003494004 R14: 0000607f45e35bf8 R15: 0000000000002400 [ 67.068676][ T8481] FS: 0000000001b89880(0000) GS:ffff8880b9e00000(0000) knlGS:0000000000000000 [ 67.077578][ T8481] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 67.084136][ T8481] CR2: fffff5200994ae06 CR3: 000000001b3a6000 CR4: 00000000001506f0 [ 67.092084][ T8481] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 67.100030][ T8481] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 67.107989][ T8481] Kernel panic - not syncing: Fatal exception [ 67.114911][ T8481] Kernel Offset: disabled [ 67.119252][ T8481] Rebooting in 86400 seconds..