[ 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. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.194' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program syzkaller login: [ 57.699778][ T6819] IPVS: ftp: loaded support on port[0] = 21 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 61.013573][ T8598] ------------[ cut here ]------------ [ 61.019405][ T8598] WARNING: CPU: 0 PID: 8598 at fs/read_write.c:427 __kernel_read+0x927/0xaa0 [ 61.029649][ T8598] Kernel panic - not syncing: panic_on_warn set ... [ 61.036257][ T8598] CPU: 0 PID: 8598 Comm: syz-executor478 Not tainted 5.9.0-rc3-syzkaller #0 [ 61.045043][ T8598] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 61.055218][ T8598] Call Trace: [ 61.058811][ T8598] dump_stack+0x1d6/0x29e [ 61.063252][ T8598] panic+0x2c0/0x800 [ 61.067430][ T8598] ? __warn+0x102/0x250 [ 61.071776][ T8598] ? __kernel_read+0x927/0xaa0 [ 61.076535][ T8598] ? __kernel_read+0x927/0xaa0 [ 61.081308][ T8598] __warn+0x227/0x250 [ 61.085419][ T8598] ? __kernel_read+0x927/0xaa0 [ 61.090206][ T8598] report_bug+0x1b1/0x2e0 [ 61.094727][ T8598] handle_bug+0x42/0x80 [ 61.098888][ T8598] exc_invalid_op+0x16/0x40 [ 61.103596][ T8598] asm_exc_invalid_op+0x12/0x20 [ 61.108547][ T8598] RIP: 0010:__kernel_read+0x927/0xaa0 [ 61.114100][ T8598] Code: 41 80 3c 2c 00 0f 85 aa f8 ff ff e9 af f8 ff ff e8 2e 08 b7 ff 41 80 3c 2c 00 0f 85 95 f8 ff ff e9 9a f8 ff ff e8 19 08 b7 ff <0f> 0b 49 c7 c7 ea ff ff ff e9 71 fc ff ff 89 e9 80 e1 07 80 c1 03 [ 61.135075][ T8598] RSP: 0018:ffffc900084ffcb8 EFLAGS: 00010293 [ 61.141137][ T8598] RAX: ffffffff81bdf407 RBX: 000000000008801c RCX: ffff8880a26084c0 [ 61.149098][ T8598] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 61.157054][ T8598] RBP: 0000000000000000 R08: ffffffff81bdeb8c R09: fffffbfff1708e0d [ 61.165027][ T8598] R10: fffffbfff1708e0d R11: 0000000000000000 R12: 1ffff110144c1342 [ 61.173001][ T8598] R13: ffff8880a26084c0 R14: 0000000000000002 R15: ffffc90000eae000 [ 61.181089][ T8598] ? __kernel_read+0xac/0xaa0 [ 61.185763][ T8598] ? __kernel_read+0x927/0xaa0 [ 61.190531][ T8598] ? __kernel_read+0x927/0xaa0 [ 61.195275][ T8598] ? __vmalloc_node_range+0x662/0x870 [ 61.200645][ T8598] ? __fsnotify_parent+0x2ea/0x620 [ 61.205761][ T8598] ? rw_verify_area+0x198/0x340 [ 61.210655][ T8598] kernel_read_file+0x352/0x5c0 [ 61.215523][ T8598] kernel_read_file_from_fd+0x57/0xa0 [ 61.220890][ T8598] __x64_sys_finit_module+0xe9/0x1a0 [ 61.226212][ T8598] do_syscall_64+0x31/0x70 [ 61.230613][ T8598] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 61.236486][ T8598] RIP: 0033:0x44a639 [ 61.240370][ T8598] Code: e8 bc b4 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 4b cc fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 61.259970][ T8598] RSP: 002b:00007f212ddefdb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 61.268477][ T8598] RAX: ffffffffffffffda RBX: 00000000006dbc68 RCX: 000000000044a639 [ 61.276890][ T8598] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000004 [ 61.285091][ T8598] RBP: 00000000006dbc60 R08: 00007f212ddf0700 R09: 0000000000000000 [ 61.293207][ T8598] R10: 00007f212ddf0700 R11: 0000000000000246 R12: 00000000006dbc6c [ 61.301169][ T8598] R13: 00007ffc61b04baf R14: 00007f212ddf09c0 R15: 0000000000000001 [ 61.310890][ T8598] Kernel Offset: disabled [ 61.315345][ T8598] Rebooting in 86400 seconds..