[ 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 '10.128.10.7' (ECDSA) to the list of known hosts. 2021/04/29 19:58:21 fuzzer started 2021/04/29 19:58:21 dialing manager at 10.128.0.169:44661 2021/04/29 19:58:22 syscalls: 3571 2021/04/29 19:58:22 code coverage: enabled 2021/04/29 19:58:22 comparison tracing: enabled 2021/04/29 19:58:22 extra coverage: enabled 2021/04/29 19:58:22 setuid sandbox: enabled 2021/04/29 19:58:22 namespace sandbox: enabled 2021/04/29 19:58:22 Android sandbox: /sys/fs/selinux/policy does not exist 2021/04/29 19:58:22 fault injection: enabled 2021/04/29 19:58:22 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2021/04/29 19:58:22 net packet injection: enabled 2021/04/29 19:58:22 net device setup: enabled 2021/04/29 19:58:22 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2021/04/29 19:58:22 devlink PCI setup: PCI device 0000:00:10.0 is not available 2021/04/29 19:58:22 USB emulation: enabled 2021/04/29 19:58:22 hci packet injection: enabled 2021/04/29 19:58:22 wifi device emulation: enabled 2021/04/29 19:58:22 802.15.4 emulation: enabled 2021/04/29 19:58:22 fetching corpus: 0, signal 0/2000 (executing program) 2021/04/29 19:58:22 fetching corpus: 50, signal 54959/58654 (executing program) syzkaller login: [ 83.087403][ T8438] BUG: unable to handle page fault for address: ffffef2c1ffffc00 [ 83.095163][ T8438] #PF: supervisor read access in kernel mode [ 83.101140][ T8438] #PF: error_code(0x0000) - not-present page [ 83.107115][ T8438] PGD 0 P4D 0 [ 83.110495][ T8438] Oops: 0000 [#1] PREEMPT SMP KASAN [ 83.115702][ T8438] CPU: 0 PID: 8438 Comm: syz-fuzzer Not tainted 5.12.0-rc8-next-20210423-syzkaller #0 [ 83.125495][ T8438] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 83.135550][ T8438] RIP: 0010:__handle_mm_fault+0x341/0x5150 [ 83.141917][ T8438] Code: c8 8d 48 c1 e8 03 4c 01 f0 48 89 04 24 48 8b 44 24 40 48 c1 e8 03 4c 01 f0 48 89 44 24 28 e8 e6 42 cb ff 48 89 e8 48 c1 e8 03 <42> 80 3c 30 00 0f 85 37 1f 00 00 48 8b 6d 00 48 8b 04 24 49 89 ec [ 83.161609][ T8438] RSP: 0000:ffffc90000eafd00 EFLAGS: 00010a06 [ 83.167676][ T8438] RAX: 1ffff32c1ffffc00 RBX: ffff888000000000 RCX: 0000000000000000 [ 83.175632][ T8438] RDX: ffff8880125f8000 RSI: ffffffff81a9b68a RDI: 0000000000000003 [ 83.183588][ T8438] RBP: ffff9960ffffe000 R08: 0000000000000000 R09: 0000000000000000 [ 83.191541][ T8438] R10: ffffffff81a9b62d R11: 0000000000000000 R12: 0000000000000000 [ 83.199501][ T8438] R13: 000010e0ffffe000 R14: dffffc0000000000 R15: ffff8880129c4000 [ 83.207453][ T8438] FS: 000000c00002e090(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 [ 83.216362][ T8438] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 83.222924][ T8438] CR2: ffffef2c1ffffc00 CR3: 000000002f848000 CR4: 00000000001506f0 [ 83.230885][ T8438] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 83.239017][ T8438] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 83.246990][ T8438] Call Trace: [ 83.250267][ T8438] ? vm_iomap_memory+0x190/0x190 [ 83.255207][ T8438] handle_mm_fault+0x1bc/0x7e0 [ 83.259952][ T8438] do_user_addr_fault+0x483/0x1210 [ 83.265075][ T8438] exc_page_fault+0x9e/0x180 [ 83.269672][ T8438] ? asm_exc_page_fault+0x8/0x30 [ 83.274606][ T8438] asm_exc_page_fault+0x1e/0x30 [ 83.279437][ T8438] RIP: 0033:0x46dabd [ 83.283348][ T8438] Code: Unable to access opcode bytes at RIP 0x46da93. [ 83.290185][ T8438] RSP: 002b:000000c00003df18 EFLAGS: 00010202 [ 83.296244][ T8438] RAX: 0000000000000000 RBX: 0000000000000014 RCX: 000000000046dabd [ 83.304201][ T8438] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000000c00003df18 [ 83.314323][ T8438] RBP: 000000c00003df28 R08: 00000000000008a0 R09: 00007ffe39924080 [ 83.322289][ T8438] R10: 00007ffe39924090 R11: 0000000000000202 R12: 000000000043b6a0 [ 83.330240][ T8438] R13: 0000000000000000 R14: 0000000000947a14 R15: 0000000000000000 [ 83.338324][ T8438] Modules linked in: [ 83.342232][ T8438] CR2: ffffef2c1ffffc00 [ 83.346528][ T8438] ---[ end trace 95c475e9709e19fa ]--- [ 83.346556][ T8439] BUG: unable to handle page fault for address: ffffef2c1ffffc00 [ 83.351990][ T8438] RIP: 0010:__handle_mm_fault+0x341/0x5150 [ 83.359691][ T8439] #PF: supervisor read access in kernel mode [ 83.365468][ T8438] Code: c8 8d 48 c1 e8 03 4c 01 f0 48 89 04 24 48 8b 44 24 40 48 c1 e8 03 4c 01 f0 48 89 44 24 28 e8 e6 42 cb ff 48 89 e8 48 c1 e8 03 <42> 80 3c 30 00 0f 85 37 1f 00 00 48 8b 6d 00 48 8b 04 24 49 89 ec [ 83.371423][ T8439] #PF: error_code(0x0000) - not-present page [ 83.390998][ T8438] RSP: 0000:ffffc90000eafd00 EFLAGS: 00010a06 [ 83.396953][ T8439] PGD 0 P4D 0 [ 83.402996][ T8438] RAX: 1ffff32c1ffffc00 RBX: ffff888000000000 RCX: 0000000000000000 [ 83.406354][ T8439] Oops: 0000 [#2] PREEMPT SMP KASAN [ 83.414301][ T8438] RDX: ffff8880125f8000 RSI: ffffffff81a9b68a RDI: 0000000000000003 [ 83.419473][ T8439] CPU: 1 PID: 8439 Comm: syz-fuzzer Tainted: G D 5.12.0-rc8-next-20210423-syzkaller #0 [ 83.427420][ T8438] RBP: ffff9960ffffe000 R08: 0000000000000000 R09: 0000000000000000 [ 83.438339][ T8439] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 83.446377][ T8438] R10: ffffffff81a9b62d R11: 0000000000000000 R12: 0000000000000000 [ 83.456408][ T8439] RIP: 0010:__handle_mm_fault+0x341/0x5150 [ 83.464701][ T8438] R13: 000010e0ffffe000 R14: dffffc0000000000 R15: ffff8880129c4000 [ 83.470481][ T8439] Code: c8 8d 48 c1 e8 03 4c 01 f0 48 89 04 24 48 8b 44 24 40 48 c1 e8 03 4c 01 f0 48 89 44 24 28 e8 e6 42 cb ff 48 89 e8 48 c1 e8 03 <42> 80 3c 30 00 0f 85 37 1f 00 00 48 8b 6d 00 48 8b 04 24 49 89 ec [ 83.478431][ T8438] FS: 000000c00002e090(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 [ 83.498014][ T8439] RSP: 0000:ffffc90000f2fd00 EFLAGS: 00010a06 [ 83.506930][ T8438] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 83.512990][ T8439] RAX: 1ffff32c1ffffc00 RBX: ffff888000000000 RCX: 0000000000000000 [ 83.519562][ T8438] CR2: 000000000046da93 CR3: 000000002f848000 CR4: 00000000001506f0 [ 83.527512][ T8439] RDX: ffff888012435580 RSI: ffffffff81a9b68a RDI: 0000000000000003 [ 83.535463][ T8438] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 83.543410][ T8439] RBP: ffff9960ffffe000 R08: 0000000000000000 R09: 0000000000000000 [ 83.551361][ T8438] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 83.559309][ T8439] R10: ffffffff81a9b62d R11: 0000000000000000 R12: 0000000000000000 [ 83.567352][ T8438] Kernel panic - not syncing: Fatal exception [ 83.575308][ T8439] R13: 000010e0ffffe000 R14: dffffc0000000000 R15: ffff8880129c4000 [ 83.589310][ T8439] FS: 000000c00002e490(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 [ 83.598229][ T8439] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 83.604813][ T8439] CR2: ffffef2c1ffffc00 CR3: 000000002f848000 CR4: 00000000001506e0 [ 83.612776][ T8439] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 83.620733][ T8439] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 83.628798][ T8439] Call Trace: [ 83.632072][ T8439] ? vm_iomap_memory+0x190/0x190 [ 83.637021][ T8439] ? lock_release+0x720/0x720 [ 83.641716][ T8439] ? cgroup_rstat_updated+0x20/0x390 [ 83.647015][ T8439] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 83.653256][ T8439] ? sync_mm_rss+0xa3/0x220 [ 83.657759][ T8439] handle_mm_fault+0x1bc/0x7e0 [ 83.662530][ T8439] do_user_addr_fault+0x483/0x1210 [ 83.667651][ T8439] exc_page_fault+0x9e/0x180 [ 83.672242][ T8439] ? asm_exc_page_fault+0x8/0x30 [ 83.677175][ T8439] asm_exc_page_fault+0x1e/0x30 [ 83.682015][ T8439] RIP: 0033:0x467477 [ 83.685923][ T8439] Code: Unable to access opcode bytes at RIP 0x46744d. [ 83.692748][ T8439] RSP: 002b:000000c0004037f8 EFLAGS: 00010212 [ 83.698803][ T8439] RAX: 000000c000001b00 RBX: 000000c00001c000 RCX: 00000000004af19b [ 83.706861][ T8439] RDX: 0000000000001000 RSI: 000000c000282000 RDI: 0000000000000006 [ 83.714913][ T8439] RBP: 000000c000403818 R08: 0000000000000001 R09: 0000000000000002 [ 83.722892][ T8439] R10: 00000000000066b6 R11: 0000000000000212 R12: 00000000000066b0 [ 83.730850][ T8439] R13: 0000000000002000 R14: 0000000000000002 R15: 0000000000000002 [ 83.739247][ T8439] Modules linked in: [ 83.743127][ T8439] CR2: ffffef2c1ffffc00 [ 83.747268][ T8439] ---[ end trace 95c475e9709e19fb ]--- [ 83.752706][ T8439] RIP: 0010:__handle_mm_fault+0x341/0x5150 [ 83.758526][ T8439] Code: c8 8d 48 c1 e8 03 4c 01 f0 48 89 04 24 48 8b 44 24 40 48 c1 e8 03 4c 01 f0 48 89 44 24 28 e8 e6 42 cb ff 48 89 e8 48 c1 e8 03 <42> 80 3c 30 00 0f 85 37 1f 00 00 48 8b 6d 00 48 8b 04 24 49 89 ec [ 83.778137][ T8439] RSP: 0000:ffffc90000eafd00 EFLAGS: 00010a06 [ 83.784192][ T8439] RAX: 1ffff32c1ffffc00 RBX: ffff888000000000 RCX: 0000000000000000 [ 83.792164][ T8439] RDX: ffff8880125f8000 RSI: ffffffff81a9b68a RDI: 0000000000000003 [ 83.800135][ T8439] RBP: ffff9960ffffe000 R08: 0000000000000000 R09: 0000000000000000 [ 83.808094][ T8439] R10: ffffffff81a9b62d R11: 0000000000000000 R12: 0000000000000000 [ 83.816156][ T8439] R13: 000010e0ffffe000 R14: dffffc0000000000 R15: ffff8880129c4000 [ 83.824410][ T8439] FS: 000000c00002e490(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 [ 83.833516][ T8439] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 83.840091][ T8439] CR2: 000000000046744d CR3: 000000002f848000 CR4: 00000000001506e0 [ 83.848061][ T8439] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 83.856032][ T8439] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 84.705913][ T8438] Shutting down cpus with NMI [ 84.711287][ T8438] Kernel Offset: disabled [ 84.715754][ T8438] Rebooting in 86400 seconds..