[ 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 '10.128.0.240' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 47.887488][ T8470] ------------[ cut here ]------------ [ 47.893140][ T8470] WARNING: CPU: 1 PID: 8470 at mm/page_alloc.c:4930 __alloc_pages_nodemask+0x43d/0x4f0 [ 47.903605][ T8470] Modules linked in: [ 47.907540][ T8470] CPU: 1 PID: 8470 Comm: syz-executor109 Not tainted 5.10.0-rc6-syzkaller #0 [ 47.916650][ T8470] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 47.926882][ T8470] RIP: 0010:__alloc_pages_nodemask+0x43d/0x4f0 [ 47.933851][ T8470] Code: 00 48 ba 00 00 00 00 00 fc ff df e9 05 fe ff ff 89 f9 80 e1 07 80 c1 03 38 c1 0f 8c 10 fe ff ff e8 58 1a 09 00 e9 06 fe ff ff <0f> 0b 31 ed e9 1f fe ff ff 44 89 ed a9 00 00 08 00 75 11 81 e5 7f [ 47.953533][ T8470] RSP: 0018:ffffc9000165faf8 EFLAGS: 00010246 [ 47.959696][ T8470] RAX: ffffc9000165fb00 RBX: ffffc9000165fb2c RCX: 0000000000000000 [ 47.967746][ T8470] RDX: 0000000000000028 RSI: 0000000000000000 RDI: ffffc9000165fb28 [ 47.975771][ T8470] RBP: 0000000000000000 R08: dffffc0000000000 R09: ffffc9000165fb00 [ 47.983806][ T8470] R10: fffff520002cbf65 R11: 0000000000000000 R12: 0000000001119d00 [ 47.991869][ T8470] R13: 0000000000040cc0 R14: 1ffff920002cbf65 R15: 000000000000000d [ 47.999892][ T8470] FS: 00000000011bb880(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 [ 48.008889][ T8470] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 48.015523][ T8470] CR2: 000000000043eb30 CR3: 000000001bb24000 CR4: 00000000001506e0 [ 48.023564][ T8470] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 48.031542][ T8470] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 48.039655][ T8470] Call Trace: [ 48.042947][ T8470] kmalloc_order+0x3c/0x100 [ 48.047507][ T8470] kmalloc_order_trace+0x13/0x40 [ 48.052454][ T8470] __kmalloc+0x1b9/0x2a0 [ 48.056746][ T8470] ? squashfs_read_xattr_id_table+0xda/0x210 [ 48.062739][ T8470] squashfs_read_table+0x2c/0x3c0 [ 48.067800][ T8470] ? squashfs_read_xattr_id_table+0x129/0x210 [ 48.073939][ T8470] squashfs_fill_super+0xfd3/0x1c90 [ 48.079161][ T8470] get_tree_bdev+0x3e9/0x5f0 [ 48.083815][ T8470] ? squashfs_reconfigure+0xa0/0xa0 [ 48.089006][ T8470] vfs_get_tree+0x88/0x270 [ 48.093467][ T8470] path_mount+0x17b4/0x2a20 [ 48.097964][ T8470] ? getname_flags+0x1fb/0x630 [ 48.102726][ T8470] __se_sys_mount+0x28c/0x320 [ 48.107459][ T8470] ? lockdep_hardirqs_on+0x8d/0x130 [ 48.112671][ T8470] do_syscall_64+0x2d/0x70 [ 48.117155][ T8470] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 48.123055][ T8470] RIP: 0033:0x446d1a [ 48.127006][ T8470] Code: b8 08 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 fd ad fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 da ad fb ff c3 66 0f 1f 84 00 00 00 00 00 [ 48.146673][ T8470] RSP: 002b:00007fffeb1c6ec8 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 48.155140][ T8470] RAX: ffffffffffffffda RBX: 00007fffeb1c6f20 RCX: 0000000000446d1a [ 48.163107][ T8470] RDX: 0000000020000080 RSI: 0000000020000000 RDI: 00007fffeb1c6ee0 [ 48.171138][ T8470] RBP: 00007fffeb1c6ee0 R08: 00007fffeb1c6f20 R09: 00007fff00000015 [ 48.179162][ T8470] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 48.187173][ T8470] R13: 0000000000000004 R14: 0000000000000003 R15: 0000000000000003 [ 48.195335][ T8470] Kernel panic - not syncing: panic_on_warn set ... [ 48.201906][ T8470] CPU: 1 PID: 8470 Comm: syz-executor109 Not tainted 5.10.0-rc6-syzkaller #0 [ 48.210652][ T8470] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 48.220684][ T8470] Call Trace: [ 48.223961][ T8470] dump_stack+0x137/0x1be [ 48.228288][ T8470] ? panic+0x1f3/0x800 [ 48.232333][ T8470] panic+0x291/0x800 [ 48.236206][ T8470] ? __warn+0x13e/0x270 [ 48.240337][ T8470] __warn+0x26a/0x270 [ 48.244297][ T8470] ? __alloc_pages_nodemask+0x43d/0x4f0 [ 48.249819][ T8470] ? __alloc_pages_nodemask+0x43d/0x4f0 [ 48.255341][ T8470] report_bug+0x1b1/0x2e0 [ 48.259650][ T8470] handle_bug+0x3d/0x70 [ 48.263782][ T8470] exc_invalid_op+0x16/0x40 [ 48.268260][ T8470] asm_exc_invalid_op+0x12/0x20 [ 48.273085][ T8470] RIP: 0010:__alloc_pages_nodemask+0x43d/0x4f0 [ 48.279212][ T8470] Code: 00 48 ba 00 00 00 00 00 fc ff df e9 05 fe ff ff 89 f9 80 e1 07 80 c1 03 38 c1 0f 8c 10 fe ff ff e8 58 1a 09 00 e9 06 fe ff ff <0f> 0b 31 ed e9 1f fe ff ff 44 89 ed a9 00 00 08 00 75 11 81 e5 7f [ 48.298808][ T8470] RSP: 0018:ffffc9000165faf8 EFLAGS: 00010246 [ 48.304872][ T8470] RAX: ffffc9000165fb00 RBX: ffffc9000165fb2c RCX: 0000000000000000 [ 48.312835][ T8470] RDX: 0000000000000028 RSI: 0000000000000000 RDI: ffffc9000165fb28 [ 48.320792][ T8470] RBP: 0000000000000000 R08: dffffc0000000000 R09: ffffc9000165fb00 [ 48.328850][ T8470] R10: fffff520002cbf65 R11: 0000000000000000 R12: 0000000001119d00 [ 48.336800][ T8470] R13: 0000000000040cc0 R14: 1ffff920002cbf65 R15: 000000000000000d [ 48.344863][ T8470] ? __alloc_pages_nodemask+0x63/0x4f0 [ 48.350320][ T8470] kmalloc_order+0x3c/0x100 [ 48.354816][ T8470] kmalloc_order_trace+0x13/0x40 [ 48.359747][ T8470] __kmalloc+0x1b9/0x2a0 [ 48.363979][ T8470] ? squashfs_read_xattr_id_table+0xda/0x210 [ 48.369952][ T8470] squashfs_read_table+0x2c/0x3c0 [ 48.374954][ T8470] ? squashfs_read_xattr_id_table+0x129/0x210 [ 48.380999][ T8470] squashfs_fill_super+0xfd3/0x1c90 [ 48.386183][ T8470] get_tree_bdev+0x3e9/0x5f0 [ 48.390749][ T8470] ? squashfs_reconfigure+0xa0/0xa0 [ 48.395925][ T8470] vfs_get_tree+0x88/0x270 [ 48.400318][ T8470] path_mount+0x17b4/0x2a20 [ 48.404801][ T8470] ? getname_flags+0x1fb/0x630 [ 48.409549][ T8470] __se_sys_mount+0x28c/0x320 [ 48.414220][ T8470] ? lockdep_hardirqs_on+0x8d/0x130 [ 48.419917][ T8470] do_syscall_64+0x2d/0x70 [ 48.424317][ T8470] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 48.430203][ T8470] RIP: 0033:0x446d1a [ 48.434073][ T8470] Code: b8 08 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 fd ad fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 da ad fb ff c3 66 0f 1f 84 00 00 00 00 00 [ 48.453663][ T8470] RSP: 002b:00007fffeb1c6ec8 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 48.462069][ T8470] RAX: ffffffffffffffda RBX: 00007fffeb1c6f20 RCX: 0000000000446d1a [ 48.470030][ T8470] RDX: 0000000020000080 RSI: 0000000020000000 RDI: 00007fffeb1c6ee0 [ 48.478002][ T8470] RBP: 00007fffeb1c6ee0 R08: 00007fffeb1c6f20 R09: 00007fff00000015 [ 48.485952][ T8470] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 48.493916][ T8470] R13: 0000000000000004 R14: 0000000000000003 R15: 0000000000000003 [ 48.502687][ T8470] Kernel Offset: disabled [ 48.507075][ T8470] Rebooting in 86400 seconds..