[ OK ] Started Getty on tty1. [ OK ] Started Serial Getty on ttyS0. [ OK ] Started System Logging Service. [ OK ] Started getty on tty2-tty6 if dbus and logind are not available. [ OK ] Started OpenBSD Secure Shell server. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.230' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 59.975078][ T8457] ------------[ cut here ]------------ [ 59.980836][ T8457] WARNING: CPU: 1 PID: 8457 at mm/page_alloc.c:4976 __alloc_pages_nodemask+0x4e5/0x5a0 [ 59.991501][ T8457] Modules linked in: [ 59.995725][ T8457] CPU: 0 PID: 8457 Comm: syz-executor864 Not tainted 5.11.0-rc3-syzkaller #0 [ 60.004500][ T8457] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 60.014813][ T8457] RIP: 0010:__alloc_pages_nodemask+0x4e5/0x5a0 [ 60.021084][ T8457] Code: aa 09 00 e9 dd fd ff ff 44 89 e9 80 e1 07 80 c1 03 38 c1 0f 8c eb fd ff ff 4c 89 ef e8 54 aa 09 00 8b 74 24 18 e9 da fd ff ff <0f> 0b e9 f3 fd ff ff a9 00 00 08 00 75 16 8b 4c 24 1c 89 cb 81 e3 [ 60.040928][ T8457] RSP: 0018:ffffc900012ef9a0 EFLAGS: 00010246 [ 60.047134][ T8457] RAX: ffffc900012efa20 RBX: ffffc900012efa20 RCX: 0000000000000000 [ 60.055136][ T8457] RDX: 0000000000000028 RSI: 0000000000000000 RDI: ffffc900012efa48 [ 60.063274][ T8457] RBP: ffffc900012efae0 R08: dffffc0000000000 R09: ffffc900012efa20 [ 60.071416][ T8457] R10: fffff5200025df49 R11: 0000000000000000 R12: dffffc0000000000 [ 60.079750][ T8457] R13: 0000000000000012 R14: 1ffff9200025df40 R15: 0000000000040cc0 [ 60.088270][ T8457] FS: 00000000023a2880(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 [ 60.098141][ T8457] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 60.104772][ T8457] CR2: 00007f8e9dc94000 CR3: 0000000014b8a000 CR4: 00000000001506e0 [ 60.113019][ T8457] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 60.121249][ T8457] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 60.129454][ T8457] Call Trace: [ 60.132761][ T8457] ? gfp_pfmemalloc_allowed+0x120/0x120 [ 60.138457][ T8457] ? alloc_pages_current+0x2e5/0x520 [ 60.143883][ T8457] kmalloc_order+0x40/0x130 [ 60.148516][ T8457] ? rcu_lock_release+0x5/0x20 [ 60.153328][ T8457] kmalloc_order_trace+0x15/0x70 [ 60.158400][ T8457] __kmalloc_track_caller+0x246/0x330 [ 60.163825][ T8457] ? cap_capable+0x27e/0x2d0 [ 60.168524][ T8457] memdup_user_nul+0x26/0xf0 [ 60.173127][ T8457] smk_write_relabel_self+0x17a/0x510 [ 60.178616][ T8457] ? rcu_read_lock_bh_held+0xf0/0xf0 [ 60.183912][ T8457] ? net6addr_seq_show+0xc0/0xc0 [ 60.188969][ T8457] ? rcu_read_lock_sched_held+0x87/0x110 [ 60.194661][ T8457] ? net6addr_seq_show+0xc0/0xc0 [ 60.199719][ T8457] vfs_write+0x289/0xc90 [ 60.203985][ T8457] ? kmem_cache_free+0x10e/0x160 [ 60.209000][ T8457] ? fd_install+0x277/0x4c0 [ 60.213545][ T8457] ? file_end_write+0x220/0x220 [ 60.219427][ T8457] ? do_sys_openat2+0x38f/0x460 [ 60.224375][ T8457] ? do_sys_open+0x220/0x220 [ 60.229583][ T8457] ? __fdget_pos+0x25e/0x2f0 [ 60.234253][ T8457] ksys_write+0x171/0x2a0 [ 60.238869][ T8457] ? __ia32_sys_read+0x80/0x80 [ 60.243666][ T8457] ? syscall_enter_from_user_mode+0x24/0x190 [ 60.249735][ T8457] ? syscall_enter_from_user_mode+0x24/0x190 [ 60.255894][ T8457] do_syscall_64+0x2d/0x70 [ 60.260327][ T8457] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 60.266403][ T8457] RIP: 0033:0x440389 [ 60.270318][ T8457] Code: 18 89 d0 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 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 7b 13 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 60.290392][ T8457] RSP: 002b:00007ffd61b9f558 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 60.298969][ T8457] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 0000000000440389 [ 60.325304][ T8457] RDX: 0000000020000398 RSI: 0000000020000340 RDI: 0000000000000003 [ 60.333399][ T8457] RBP: 00000000006ca018 R08: 0000000000000000 R09: 00000000004002c8 [ 60.341530][ T8457] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000401b90 [ 60.351197][ T8457] R13: 0000000000401c20 R14: 0000000000000000 R15: 0000000000000000 [ 60.359980][ T8457] Kernel panic - not syncing: panic_on_warn set ... [ 60.366641][ T8457] CPU: 0 PID: 8457 Comm: syz-executor864 Not tainted 5.11.0-rc3-syzkaller #0 [ 60.375411][ T8457] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 60.385480][ T8457] Call Trace: [ 60.388772][ T8457] dump_stack+0x183/0x22e [ 60.393093][ T8457] ? log_buf_vmcoreinfo_setup+0x45d/0x45d [ 60.398811][ T8457] ? show_regs_print_info+0x12/0x12 [ 60.404001][ T8457] panic+0x2e1/0x850 [ 60.407884][ T8457] ? __kernel_text_address+0x93/0x100 [ 60.413294][ T8457] ? __warn+0x13e/0x270 [ 60.417453][ T8457] ? nmi_panic+0x90/0x90 [ 60.421700][ T8457] __warn+0x26a/0x270 [ 60.425786][ T8457] ? __alloc_pages_nodemask+0x4e5/0x5a0 [ 60.431318][ T8457] ? __alloc_pages_nodemask+0x4e5/0x5a0 [ 60.436952][ T8457] report_bug+0x1b1/0x2e0 [ 60.441271][ T8457] handle_bug+0x3d/0x70 [ 60.445411][ T8457] exc_invalid_op+0x16/0x40 [ 60.449937][ T8457] asm_exc_invalid_op+0x12/0x20 [ 60.454783][ T8457] RIP: 0010:__alloc_pages_nodemask+0x4e5/0x5a0 [ 60.460927][ T8457] Code: aa 09 00 e9 dd fd ff ff 44 89 e9 80 e1 07 80 c1 03 38 c1 0f 8c eb fd ff ff 4c 89 ef e8 54 aa 09 00 8b 74 24 18 e9 da fd ff ff <0f> 0b e9 f3 fd ff ff a9 00 00 08 00 75 16 8b 4c 24 1c 89 cb 81 e3 [ 60.480724][ T8457] RSP: 0018:ffffc900012ef9a0 EFLAGS: 00010246 [ 60.486807][ T8457] RAX: ffffc900012efa20 RBX: ffffc900012efa20 RCX: 0000000000000000 [ 60.494784][ T8457] RDX: 0000000000000028 RSI: 0000000000000000 RDI: ffffc900012efa48 [ 60.502758][ T8457] RBP: ffffc900012efae0 R08: dffffc0000000000 R09: ffffc900012efa20 [ 60.510730][ T8457] R10: fffff5200025df49 R11: 0000000000000000 R12: dffffc0000000000 [ 60.518701][ T8457] R13: 0000000000000012 R14: 1ffff9200025df40 R15: 0000000000040cc0 [ 60.526865][ T8457] ? gfp_pfmemalloc_allowed+0x120/0x120 [ 60.532429][ T8457] ? alloc_pages_current+0x2e5/0x520 [ 60.537710][ T8457] kmalloc_order+0x40/0x130 [ 60.542216][ T8457] ? rcu_lock_release+0x5/0x20 [ 60.546969][ T8457] kmalloc_order_trace+0x15/0x70 [ 60.551908][ T8457] __kmalloc_track_caller+0x246/0x330 [ 60.557283][ T8457] ? cap_capable+0x27e/0x2d0 [ 60.561887][ T8457] memdup_user_nul+0x26/0xf0 [ 60.566480][ T8457] smk_write_relabel_self+0x17a/0x510 [ 60.571890][ T8457] ? rcu_read_lock_bh_held+0xf0/0xf0 [ 60.577178][ T8457] ? net6addr_seq_show+0xc0/0xc0 [ 60.582110][ T8457] ? rcu_read_lock_sched_held+0x87/0x110 [ 60.587749][ T8457] ? net6addr_seq_show+0xc0/0xc0 [ 60.592698][ T8457] vfs_write+0x289/0xc90 [ 60.596938][ T8457] ? kmem_cache_free+0x10e/0x160 [ 60.601881][ T8457] ? fd_install+0x277/0x4c0 [ 60.606378][ T8457] ? file_end_write+0x220/0x220 [ 60.611490][ T8457] ? do_sys_openat2+0x38f/0x460 [ 60.616343][ T8457] ? do_sys_open+0x220/0x220 [ 60.621137][ T8457] ? __fdget_pos+0x25e/0x2f0 [ 60.625737][ T8457] ksys_write+0x171/0x2a0 [ 60.630067][ T8457] ? __ia32_sys_read+0x80/0x80 [ 60.634833][ T8457] ? syscall_enter_from_user_mode+0x24/0x190 [ 60.640829][ T8457] ? syscall_enter_from_user_mode+0x24/0x190 [ 60.646819][ T8457] do_syscall_64+0x2d/0x70 [ 60.651252][ T8457] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 60.657160][ T8457] RIP: 0033:0x440389 [ 60.661049][ T8457] Code: 18 89 d0 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 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 7b 13 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 60.680645][ T8457] RSP: 002b:00007ffd61b9f558 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 60.689073][ T8457] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 0000000000440389 [ 60.697061][ T8457] RDX: 0000000020000398 RSI: 0000000020000340 RDI: 0000000000000003 [ 60.705031][ T8457] RBP: 00000000006ca018 R08: 0000000000000000 R09: 00000000004002c8 [ 60.713001][ T8457] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000401b90 [ 60.720968][ T8457] R13: 0000000000401c20 R14: 0000000000000000 R15: 0000000000000000 [ 60.729598][ T8457] Kernel Offset: disabled [ 60.734022][ T8457] Rebooting in 86400 seconds..