[ OK ] Started Getty on tty3. [ OK ] Started Getty on tty2. [ OK ] Started Serial Getty on ttyS0. [ OK ] Started Getty on tty1. [ OK ] Reached target Login Prompts. [ OK ] Listening on Load/Save RF Kill Switch Status /dev/rfkill Watch. [ OK ] Reached target Multi-User System. [ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... [ OK ] Started Update UTMP about System Runlevel Changes. Starting Load/Save RF Kill Switch Status... [ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.83' (ECDSA) to the list of known hosts. 2021/04/23 23:13:13 fuzzer started 2021/04/23 23:13:14 dialing manager at 10.128.0.169:43581 2021/04/23 23:13:14 syscalls: 3560 2021/04/23 23:13:14 code coverage: enabled 2021/04/23 23:13:14 comparison tracing: enabled 2021/04/23 23:13:14 extra coverage: enabled 2021/04/23 23:13:14 setuid sandbox: enabled 2021/04/23 23:13:14 namespace sandbox: enabled 2021/04/23 23:13:14 Android sandbox: /sys/fs/selinux/policy does not exist 2021/04/23 23:13:14 fault injection: enabled 2021/04/23 23:13:14 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2021/04/23 23:13:14 net packet injection: enabled 2021/04/23 23:13:14 net device setup: enabled 2021/04/23 23:13:14 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2021/04/23 23:13:14 devlink PCI setup: PCI device 0000:00:10.0 is not available 2021/04/23 23:13:14 USB emulation: enabled 2021/04/23 23:13:14 hci packet injection: enabled 2021/04/23 23:13:14 wifi device emulation: enabled 2021/04/23 23:13:14 802.15.4 emulation: enabled 2021/04/23 23:13:14 fetching corpus: 0, signal 0/2000 (executing program) syzkaller login: [ 72.454916][ T8452] get_swap_device: Bad swap file entry 3fffad780000a [ 72.462140][ T8452] general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] PREEMPT SMP KASAN [ 72.473873][ T8452] KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007] [ 72.482304][ T8452] CPU: 1 PID: 8452 Comm: syz-fuzzer Not tainted 5.12.0-rc8-next-20210423-syzkaller #0 [ 72.491886][ T8452] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 72.501958][ T8452] RIP: 0010:do_swap_page+0x9fa/0x2430 [ 72.507391][ T8452] Code: e8 bb a2 6d 07 e9 cb fa ff ff e8 01 c1 cb ff 48 8b 7c 24 10 e8 97 b7 0a 00 48 ba 00 00 00 00 00 fc ff df 48 89 c1 48 c1 e9 03 <80> 3c 11 00 0f 85 60 17 00 00 48 8b 18 31 ff 81 e3 00 10 00 00 48 [ 72.527020][ T8452] RSP: 0018:ffffc900016afc78 EFLAGS: 00010246 [ 72.533511][ T8452] RAX: 0000000000000000 RBX: ffff88801561c9c0 RCX: 0000000000000000 [ 72.541498][ T8452] RDX: dffffc0000000000 RSI: ffffffff81b3f0de RDI: 0000000000000003 [ 72.549587][ T8452] RBP: ffffc900016afd88 R08: 0000000000000000 R09: 0000000000000000 [ 72.557578][ T8452] R10: ffffffff81b3f09f R11: 0000000000000000 R12: 0000000000000000 [ 72.565688][ T8452] R13: ffff88802f268700 R14: ffff88801d7d8058 R15: 0000000000000000 [ 72.574076][ T8452] FS: 000000c00027c890(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 [ 72.583229][ T8452] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 72.589831][ T8452] CR2: 0000000001600000 CR3: 000000002a10d000 CR4: 00000000001506e0 [ 72.597823][ T8452] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 72.605814][ T8452] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 72.613802][ T8452] Call Trace: [ 72.617094][ T8452] ? __lock_acquire+0x16a7/0x5230 [ 72.622138][ T8452] __handle_mm_fault+0x1b8b/0x5150 [ 72.627271][ T8452] ? vm_iomap_memory+0x190/0x190 [ 72.632238][ T8452] handle_mm_fault+0x1bc/0x7e0 [ 72.637027][ T8452] do_user_addr_fault+0x483/0x1210 [ 72.642194][ T8452] exc_page_fault+0x9e/0x180 [ 72.646916][ T8452] ? asm_exc_page_fault+0x8/0x30 [ 72.651905][ T8452] asm_exc_page_fault+0x1e/0x30 [ 72.656784][ T8452] RIP: 0033:0x420a5d [ 72.660705][ T8452] Code: 0c 48 ff c7 d1 eb 48 83 c6 08 0f 1f 00 48 83 ff 08 0f 8d f9 00 00 00 48 39 f1 0f 86 f0 00 00 00 0f ba e3 00 73 db 4c 8d 04 16 <4d> 8b 00 4d 85 c0 74 cf 48 89 7c 24 40 4c 89 44 24 38 48 89 74 24 [ 72.680500][ T8452] RSP: 002b:000000c0002bbe18 EFLAGS: 00010207 [ 72.686671][ T8452] RAX: 00007fec7d88b000 RBX: 0000000000000009 RCX: 0000000000040000 [ 72.694670][ T8452] RDX: 00000000015cc500 RSI: 0000000000033b00 RDI: 0000000000000000 [ 72.702677][ T8452] RBP: 000000c0002bbe68 R08: 0000000001600000 R09: 0000000000000020 [ 72.710758][ T8452] R10: 000000000187aa88 R11: 0000000000000053 R12: 0000000000000003 [ 72.718740][ T8452] R13: 0000000000000012 R14: 000080c000896000 R15: 000080c00089dfff [ 72.727018][ T8452] Modules linked in: [ 72.739450][ T8452] ---[ end trace 3f2cc118fd034d15 ]--- [ 72.744930][ T8452] RIP: 0010:do_swap_page+0x9fa/0x2430 [ 72.755415][ T8452] Code: e8 bb a2 6d 07 e9 cb fa ff ff e8 01 c1 cb ff 48 8b 7c 24 10 e8 97 b7 0a 00 48 ba 00 00 00 00 00 fc ff df 48 89 c1 48 c1 e9 03 <80> 3c 11 00 0f 85 60 17 00 00 48 8b 18 31 ff 81 e3 00 10 00 00 48 [ 72.776040][ T8452] RSP: 0018:ffffc900016afc78 EFLAGS: 00010246 [ 72.783041][ T8452] RAX: 0000000000000000 RBX: ffff88801561c9c0 RCX: 0000000000000000 [ 72.791745][ T8452] RDX: dffffc0000000000 RSI: ffffffff81b3f0de RDI: 0000000000000003 [ 72.800655][ T8452] RBP: ffffc900016afd88 R08: 0000000000000000 R09: 0000000000000000 [ 72.808830][ T8452] R10: ffffffff81b3f09f R11: 0000000000000000 R12: 0000000000000000 [ 72.818508][ T8452] R13: ffff88802f268700 R14: ffff88801d7d8058 R15: 0000000000000000 [ 72.827274][ T8452] FS: 000000c00027c890(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 [ 72.837631][ T8452] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 72.844977][ T8452] CR2: 00007f7cfb3ba010 CR3: 000000002a10d000 CR4: 00000000001506e0 [ 72.853762][ T8452] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 72.862498][ T8452] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 72.872276][ T8452] Kernel panic - not syncing: Fatal exception [ 72.878989][ T8452] Kernel Offset: disabled [ 72.883343][ T8452] Rebooting in 86400 seconds..