[ 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 '10.128.0.72' (ECDSA) to the list of known hosts. 2021/04/24 06:26:45 fuzzer started 2021/04/24 06:26:46 dialing manager at 10.128.0.169:43581 2021/04/24 06:26:46 syscalls: 3560 2021/04/24 06:26:46 code coverage: enabled 2021/04/24 06:26:46 comparison tracing: enabled 2021/04/24 06:26:46 extra coverage: enabled 2021/04/24 06:26:46 setuid sandbox: enabled 2021/04/24 06:26:46 namespace sandbox: enabled 2021/04/24 06:26:46 Android sandbox: /sys/fs/selinux/policy does not exist 2021/04/24 06:26:46 fault injection: enabled 2021/04/24 06:26:46 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2021/04/24 06:26:46 net packet injection: enabled 2021/04/24 06:26:46 net device setup: enabled 2021/04/24 06:26:46 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2021/04/24 06:26:46 devlink PCI setup: PCI device 0000:00:10.0 is not available 2021/04/24 06:26:46 USB emulation: enabled 2021/04/24 06:26:46 hci packet injection: enabled 2021/04/24 06:26:46 wifi device emulation: enabled 2021/04/24 06:26:46 802.15.4 emulation: enabled 2021/04/24 06:26:46 fetching corpus: 0, signal 0/2000 (executing program) 2021/04/24 06:26:46 fetching corpus: 50, signal 52574/56281 (executing program) 2021/04/24 06:26:47 fetching corpus: 100, signal 87270/92549 (executing program) 2021/04/24 06:26:47 fetching corpus: 150, signal 103300/110187 (executing program) 2021/04/24 06:26:47 fetching corpus: 200, signal 115492/123942 (executing program) 2021/04/24 06:26:47 fetching corpus: 250, signal 128126/138066 (executing program) 2021/04/24 06:26:47 fetching corpus: 300, signal 143640/154953 (executing program) 2021/04/24 06:26:47 fetching corpus: 350, signal 154865/167500 (executing program) syzkaller login: [ 78.518310][ T8433] ------------[ cut here ]------------ [ 78.519046][ T8432] ------------[ cut here ]------------ [ 78.524318][ T8433] kernel BUG at mm/memory.c:4481! [ 78.530101][ T8432] kernel BUG at mm/memory.c:4481! [ 78.538428][ T8433] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 78.546941][ T8433] CPU: 0 PID: 8433 Comm: syz-fuzzer Not tainted 5.12.0-rc8-next-20210423-syzkaller #0 [ 78.559779][ T8433] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 78.569847][ T8433] RIP: 0010:__handle_mm_fault+0xcc9/0x5150 [ 78.575666][ T8433] Code: 48 83 fd 1c 0f 84 29 0e 00 00 e8 72 39 cb ff 89 ee bf 1d 00 00 00 e8 16 41 cb ff 48 83 fd 1d 0f 84 0e 0e 00 00 e8 57 39 cb ff <0f> 0b e8 50 39 cb ff 48 8b 54 24 10 48 89 de 48 8b 7c 24 20 e8 be [ 78.595272][ T8433] RSP: 0000:ffffc900019d7d00 EFLAGS: 00010293 [ 78.601336][ T8433] RAX: 0000000000000000 RBX: fff0000000000fff RCX: 0000000000000000 [ 78.609303][ T8433] RDX: ffff88801be0d580 RSI: ffffffff81a9c019 RDI: 0000000000000003 [ 78.617282][ T8433] RBP: 0000000000000000 R08: 000000000000001d R09: 0000000000000000 [ 78.625245][ T8433] R10: ffffffff81a9c00a R11: 0000000000000000 R12: 0000000000000000 [ 78.634016][ T8433] R13: 0000000000000000 R14: dffffc0000000000 R15: ffff888027b90108 [ 78.641979][ T8433] FS: 000000c00002e490(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 [ 78.655591][ T8433] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 78.662186][ T8433] CR2: 000000c00002e488 CR3: 000000001e00b000 CR4: 00000000001506f0 [ 78.670151][ T8433] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 78.678114][ T8433] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 78.686075][ T8433] Call Trace: [ 78.689359][ T8433] ? vm_iomap_memory+0x190/0x190 [ 78.694296][ T8433] handle_mm_fault+0x1bc/0x7e0 [ 78.699054][ T8433] do_user_addr_fault+0x483/0x1210 [ 78.704216][ T8433] exc_page_fault+0x9e/0x180 [ 78.708828][ T8433] ? asm_exc_page_fault+0x8/0x30 [ 78.714189][ T8433] asm_exc_page_fault+0x1e/0x30 [ 78.719068][ T8433] RIP: 0033:0x46746e [ 78.722971][ T8433] Code: fd ff 48 8b 6c 24 10 48 83 c4 18 c3 cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc 48 83 ec 28 48 89 6c 24 20 48 8d 6c 24 20 <64> 48 8b 04 25 f8 ff ff ff 48 8b 48 30 ff 81 08 01 00 00 48 8d 4c [ 78.743876][ T8433] RSP: 002b:000000c000303820 EFLAGS: 00010202 [ 78.750104][ T8433] RAX: 0000000000001000 RBX: 000000c00001e800 RCX: 00000000004af19b [ 78.758690][ T8433] RDX: 0000000000001000 RSI: 000000c0001dc000 RDI: 0000000000000006 [ 78.767446][ T8433] RBP: 000000c000303840 R08: 0000000000000001 R09: 0000000000000002 [ 78.775953][ T8433] R10: 0000000000003980 R11: 0000000000000206 R12: ffffffffffffffff [ 78.783919][ T8433] R13: 0000000000001000 R14: 0000000000000020 R15: 0000000000000004 [ 78.792247][ T8433] Modules linked in: [ 78.796389][ T8432] invalid opcode: 0000 [#2] PREEMPT SMP KASAN [ 78.803071][ T8432] CPU: 1 PID: 8432 Comm: syz-fuzzer Tainted: G D 5.12.0-rc8-next-20210423-syzkaller #0 [ 78.814540][ T8432] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 78.825040][ T8432] RIP: 0010:__handle_mm_fault+0xcc9/0x5150 [ 78.830870][ T8432] Code: 48 83 fd 1c 0f 84 29 0e 00 00 e8 72 39 cb ff 89 ee bf 1d 00 00 00 e8 16 41 cb ff 48 83 fd 1d 0f 84 0e 0e 00 00 e8 57 39 cb ff <0f> 0b e8 50 39 cb ff 48 8b 54 24 10 48 89 de 48 8b 7c 24 20 e8 be [ 78.851181][ T8432] RSP: 0000:ffffc90001c2fd00 EFLAGS: 00010293 [ 78.858041][ T8432] RAX: 0000000000000000 RBX: fff0000000000fff RCX: 0000000000000000 [ 78.866016][ T8432] RDX: ffff88801d6eb900 RSI: ffffffff81a9c019 RDI: 0000000000000003 [ 78.874006][ T8432] RBP: 0000000000000000 R08: 000000000000001d R09: 0000000000000000 [ 78.882085][ T8432] R10: ffffffff81a9c00a R11: 0000000000000000 R12: 0000000000000000 [ 78.890235][ T8432] R13: 0000000000000000 R14: dffffc0000000000 R15: ffff888027b90108 [ 78.898216][ T8432] FS: 000000c00002e090(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 [ 78.907417][ T8432] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 78.914020][ T8432] CR2: 000000c00003df28 CR3: 000000001e00b000 CR4: 00000000001506e0 [ 78.921992][ T8432] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 78.929972][ T8432] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 78.938523][ T8432] Call Trace: [ 78.941814][ T8432] ? vm_iomap_memory+0x190/0x190 [ 78.946772][ T8432] handle_mm_fault+0x1bc/0x7e0 [ 78.951545][ T8432] do_user_addr_fault+0x483/0x1210 [ 78.956671][ T8432] exc_page_fault+0x9e/0x180 [ 78.961317][ T8432] ? asm_exc_page_fault+0x8/0x30 [ 78.966265][ T8432] asm_exc_page_fault+0x1e/0x30 [ 78.971568][ T8432] RIP: 0033:0x46dabd [ 78.975469][ T8432] Code: 8b 44 24 20 b9 40 42 0f 00 f7 f1 48 89 04 24 b8 e8 03 00 00 f7 e2 48 89 44 24 08 48 89 e7 be 00 00 00 00 b8 23 00 00 00 0f 05 <48> 8b 6c 24 10 48 83 c4 18 c3 cc cc cc cc cc cc cc cc cc cc cc cc [ 78.995381][ T8432] RSP: 002b:000000c00003df18 EFLAGS: 00010202 [ 79.001469][ T8432] RAX: 0000000000000000 RBX: 0000000000000014 RCX: 000000000046dabd [ 79.009485][ T8432] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000000c00003df18 [ 79.017471][ T8432] RBP: 000000c00003df28 R08: 0000000000000813 R09: 00007ffc166c2080 [ 79.025540][ T8432] R10: 00007ffc166c2090 R11: 0000000000000202 R12: 000000000043b6a0 [ 79.033527][ T8432] R13: 0000000000000000 R14: 00000000009473c8 R15: 0000000000000000 [ 79.046130][ T8432] Modules linked in: [ 79.051345][ T8432] ---[ end trace f231af37b55487cd ]--- [ 79.057387][ T8432] RIP: 0010:__handle_mm_fault+0xcc9/0x5150 [ 79.063362][ T8432] Code: 48 83 fd 1c 0f 84 29 0e 00 00 e8 72 39 cb ff 89 ee bf 1d 00 00 00 e8 16 41 cb ff 48 83 fd 1d 0f 84 0e 0e 00 00 e8 57 39 cb ff <0f> 0b e8 50 39 cb ff 48 8b 54 24 10 48 89 de 48 8b 7c 24 20 e8 be [ 79.063847][ T8433] ---[ end trace f231af37b55487ce ]--- [ 79.083873][ T8432] RSP: 0000:ffffc900019d7d00 EFLAGS: 00010293 [ 79.095417][ T8432] RAX: 0000000000000000 RBX: fff0000000000fff RCX: 0000000000000000 [ 79.097536][ T8433] RIP: 0010:__handle_mm_fault+0xcc9/0x5150 [ 79.103417][ T8432] RDX: ffff88801be0d580 RSI: ffffffff81a9c019 RDI: 0000000000000003 [ 79.110606][ T8433] Code: 48 83 fd 1c 0f 84 29 0e 00 00 e8 72 39 cb ff 89 ee bf 1d 00 00 00 e8 16 41 cb ff 48 83 fd 1d 0f 84 0e 0e 00 00 e8 57 39 cb ff <0f> 0b e8 50 39 cb ff 48 8b 54 24 10 48 89 de 48 8b 7c 24 20 e8 be [ 79.117705][ T8432] RBP: 0000000000000000 R08: 000000000000001d R09: 0000000000000000 [ 79.138005][ T8433] RSP: 0000:ffffc900019d7d00 EFLAGS: 00010293 [ 79.145649][ T8432] R10: ffffffff81a9c00a R11: 0000000000000000 R12: 0000000000000000 [ 79.151412][ T8433] RAX: 0000000000000000 RBX: fff0000000000fff RCX: 0000000000000000 [ 79.167902][ T8432] R13: 0000000000000000 R14: dffffc0000000000 R15: ffff888027b90108 [ 79.169195][ T8433] RDX: ffff88801be0d580 RSI: ffffffff81a9c019 RDI: 0000000000000003 [ 79.184077][ T8432] FS: 000000c00002e090(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 [ 79.184108][ T8432] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 79.184125][ T8432] CR2: 00007f4f7c03f0b8 CR3: 000000001e00b000 CR4: 00000000001506f0 [ 79.184140][ T8432] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 79.194951][ T8433] RBP: 0000000000000000 R08: 000000000000001d R09: 0000000000000000 [ 79.207831][ T8432] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 79.207858][ T8432] Kernel panic - not syncing: Fatal exception [ 79.207906][ T8432] Kernel Offset: disabled [ 79.242135][ T8432] Rebooting in 86400 seconds..