[ OK ] Started Getty on tty4. [ 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 ] 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 '10.128.0.155' (ECDSA) to the list of known hosts. 2021/05/01 15:01:55 fuzzer started 2021/05/01 15:01:55 dialing manager at 10.128.0.169:44661 2021/05/01 15:01:55 syscalls: 3571 2021/05/01 15:01:55 code coverage: enabled 2021/05/01 15:01:55 comparison tracing: enabled 2021/05/01 15:01:55 extra coverage: enabled 2021/05/01 15:01:55 setuid sandbox: enabled 2021/05/01 15:01:55 namespace sandbox: enabled 2021/05/01 15:01:55 Android sandbox: /sys/fs/selinux/policy does not exist 2021/05/01 15:01:55 fault injection: enabled 2021/05/01 15:01:55 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2021/05/01 15:01:55 net packet injection: enabled 2021/05/01 15:01:55 net device setup: enabled 2021/05/01 15:01:55 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2021/05/01 15:01:55 devlink PCI setup: PCI device 0000:00:10.0 is not available 2021/05/01 15:01:55 USB emulation: enabled 2021/05/01 15:01:55 hci packet injection: enabled 2021/05/01 15:01:55 wifi device emulation: enabled 2021/05/01 15:01:55 802.15.4 emulation: enabled 2021/05/01 15:01:55 fetching corpus: 0, signal 0/2000 (executing program) syzkaller login: [ 72.544245][ T8450] mmap: vm_start 14a0ffffea00 < prev 7fc8efb77000 [ 72.550962][ T8450] mmap: vm_start 14a0ffffea00 < pend 7fc8efb78000 [ 72.563730][ T8450] mm ffff888028074600 mmap ffff8880150a4d68 seqnum 1 task_size 140737488351232 [ 72.563730][ T8450] get_unmapped_area ffffffff8129cea0 [ 72.563730][ T8450] mmap_base 140500994220032 mmap_legacy_base 47131800948736 highest_vm_end 140724489515008 2021/05/01 15:01:55 fetching corpus: 50, signal 68345/72005 (executing program) [ 72.563730][ T8450] pgd ffff8880263f1000 mm_users 1 mm_count 1 pgtables_bytes 106496 map_count 78 [ 72.563730][ T8450] hiwater_rss 22f hiwater_vm 2bd8 total_vm 23cb locked_vm 0 [ 72.563730][ T8450] pinned_vm 0 data_vm 221 exec_vm 370 stack_vm 21 [ 72.563730][ T8450] start_code 55eab248c000 end_code 55eab24f2868 start_data 55eab24f4140 end_data 55eab24fe134 [ 72.563730][ T8450] start_brk 55eab3ea3000 brk 55eab4095000 start_stack 7ffcf9327d50 [ 72.563730][ T8450] arg_start 7ffcf9329e89 arg_end 7ffcf9329ea4 env_start 7ffcf9329ea4 env_end 7ffcf9329fdd [ 72.563730][ T8450] binfmt ffffffff8c1284c0 flags cd core_state 0000000000000000 [ 72.563730][ T8450] ioctx_table 0000000000000000 [ 72.672748][ T8450] ------------[ cut here ]------------ [ 72.678256][ T8450] kernel BUG at mm/mmap.c:431! [ 72.683230][ T8450] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 72.689314][ T8450] CPU: 1 PID: 8450 Comm: systemd-udevd Not tainted 5.12.0-rc8-next-20210423-syzkaller #0 [ 72.699129][ T8450] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 72.709194][ T8450] RIP: 0010:validate_mm+0x622/0x810 [ 72.714403][ T8450] Code: 14 c0 c9 ff 44 89 e6 bf ff ff ff ff e8 b7 c7 c9 ff 41 83 fc ff 0f 85 44 6e 29 07 e8 f8 bf c9 ff 48 8b 7c 24 18 e8 fe 12 fc ff <0f> 0b e8 e7 bf c9 ff 48 8b 54 24 28 48 b8 00 00 00 00 00 fc ff df [ 72.734089][ T8450] RSP: 0018:ffffc9000c007d88 EFLAGS: 00010286 [ 72.740167][ T8450] RAX: 000000000000038a RBX: 0000000000000001 RCX: 0000000000000000 [ 72.748131][ T8450] RDX: ffff88801ca1b900 RSI: ffffffff815cebe5 RDI: fffff52001800f50 [ 72.756107][ T8450] RBP: 000000000000004e R08: 000000000000038a R09: 0000000000000000 [ 72.764069][ T8450] R10: ffffffff815c8a2e R11: 0000000000000000 R12: 000000000000004e [ 72.772061][ T8450] R13: 00007ffcf9355000 R14: 0000000000000000 R15: 00007ffcf9357000 [ 72.780042][ T8450] FS: 00007fc8efd8f8c0(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 [ 72.788965][ T8450] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 72.795889][ T8450] CR2: 00007fe588afb4d8 CR3: 00000000263f1000 CR4: 00000000001506e0 [ 72.803869][ T8450] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 72.811840][ T8450] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 72.819931][ T8450] Call Trace: [ 72.823211][ T8450] __do_munmap+0x8a5/0x11a0 [ 72.827705][ T8450] __vm_munmap+0x101/0x230 [ 72.832107][ T8450] ? __do_sys_remap_file_pages+0x710/0x710 [ 72.837951][ T8450] __x64_sys_munmap+0x62/0x80 [ 72.842634][ T8450] do_syscall_64+0x3a/0xb0 [ 72.847051][ T8450] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 72.852952][ T8450] RIP: 0033:0x7fc8eec0a6e7 [ 72.857358][ T8450] Code: c7 c0 ff ff ff ff eb 8d 48 8b 15 ac 47 2b 00 f7 d8 64 89 02 e9 5b ff ff ff 66 2e 0f 1f 84 00 00 00 00 00 b8 0b 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 81 47 2b 00 f7 d8 64 89 01 48 [ 72.876956][ T8450] RSP: 002b:00007ffcf9326f08 EFLAGS: 00000206 ORIG_RAX: 000000000000000b [ 72.885361][ T8450] RAX: ffffffffffffffda RBX: 000055eab3ea3100 RCX: 00007fc8eec0a6e7 [ 72.893323][ T8450] RDX: 0000000000000080 RSI: 000000000080ccec RDI: 00007fc8eda98000 [ 72.901281][ T8450] RBP: 000055eab24fcd18 R08: 000055eab3eb7ed0 R09: 0000000000000000 [ 72.909245][ T8450] R10: 00000000ffffffff R11: 0000000000000206 R12: 000055eab3ea30e0 [ 72.917213][ T8450] R13: 0000000000000000 R14: 0000000000000003 R15: 000000000000000e [ 72.925186][ T8450] Modules linked in: [ 72.934272][ T8450] ---[ end trace e479f27dae0801f1 ]--- [ 72.940995][ T8450] RIP: 0010:validate_mm+0x622/0x810 [ 72.947475][ T8450] Code: 14 c0 c9 ff 44 89 e6 bf ff ff ff ff e8 b7 c7 c9 ff 41 83 fc ff 0f 85 44 6e 29 07 e8 f8 bf c9 ff 48 8b 7c 24 18 e8 fe 12 fc ff <0f> 0b e8 e7 bf c9 ff 48 8b 54 24 28 48 b8 00 00 00 00 00 fc ff df [ 72.968183][ T8450] RSP: 0018:ffffc9000c007d88 EFLAGS: 00010286 [ 72.975445][ T8450] RAX: 000000000000038a RBX: 0000000000000001 RCX: 0000000000000000 [ 72.984459][ T8450] RDX: ffff88801ca1b900 RSI: ffffffff815cebe5 RDI: fffff52001800f50 [ 72.993581][ T8450] RBP: 000000000000004e R08: 000000000000038a R09: 0000000000000000 [ 73.001602][ T8450] R10: ffffffff815c8a2e R11: 0000000000000000 R12: 000000000000004e [ 73.009758][ T8450] R13: 00007ffcf9355000 R14: 0000000000000000 R15: 00007ffcf9357000 [ 73.017841][ T8450] FS: 00007fc8efd8f8c0(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 [ 73.026929][ T8450] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 73.033612][ T8450] CR2: 00007fe588afb4d8 CR3: 00000000263f1000 CR4: 00000000001506e0 [ 73.041612][ T8450] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 73.050504][ T8450] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 73.059327][ T8450] Kernel panic - not syncing: Fatal exception [ 73.065915][ T8450] Kernel Offset: disabled [ 73.070343][ T8450] Rebooting in 86400 seconds..