[ 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 '10.128.0.75' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 50.691486][ T8426] ------------[ cut here ]------------ [ 50.697255][ T8426] WARNING: CPU: 1 PID: 8426 at mm/page_alloc.c:5366 __alloc_pages+0x588/0x5f0 [ 50.708258][ T8426] Modules linked in: [ 50.712367][ T8426] CPU: 1 PID: 8426 Comm: syz-executor477 Not tainted 5.14.0-rc5-syzkaller #0 [ 50.722232][ T8426] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 50.732812][ T8426] RIP: 0010:__alloc_pages+0x588/0x5f0 [ 50.738849][ T8426] Code: 00 48 ba 00 00 00 00 00 fc ff df e9 5e fd ff ff 89 f9 80 e1 07 80 c1 03 38 c1 0f 8c 6d fd ff ff e8 bd 62 0a 00 e9 63 fd ff ff <0f> 0b 45 31 e4 e9 7a fd ff ff 48 8d 4c 24 50 80 e1 07 80 c1 03 38 [ 50.759718][ T8426] RSP: 0018:ffffc90000fff9a0 EFLAGS: 00010246 [ 50.766177][ T8426] RAX: dffffc0000000000 RBX: 0000000000000014 RCX: 0000000000000000 [ 50.774252][ T8426] RDX: 0000000000000028 RSI: 0000000000000000 RDI: ffffc90000fffa28 [ 50.782477][ T8426] RBP: ffffc90000fffaa8 R08: dffffc0000000000 R09: ffffc90000fffa00 [ 50.790523][ T8426] R10: fffff520001fff45 R11: 0000000000000000 R12: 0000000000040d40 [ 50.798585][ T8426] R13: ffffc90000fffa00 R14: 1ffff920001fff3c R15: 1ffff920001fff38 [ 50.806653][ T8426] FS: 000000000148e300(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 [ 50.815651][ T8426] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.822340][ T8426] CR2: 00007fa1e9a97740 CR3: 000000003406e000 CR4: 00000000001506f0 [ 50.830546][ T8426] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 50.838838][ T8426] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 50.846818][ T8426] Call Trace: [ 50.851279][ T8426] ? p9_client_clunk+0x252/0x380 [ 50.856270][ T8426] ? __rmqueue_pcplist+0x2030/0x2030 [ 50.861863][ T8426] ? alloc_pages+0x3f3/0x500 [ 50.866462][ T8426] kmalloc_order+0x41/0x170 [ 50.871073][ T8426] ? rcu_read_lock_sched_held+0x87/0x110 [ 50.877235][ T8426] kmalloc_order_trace+0x15/0x70 [ 50.882285][ T8426] __kmalloc+0x292/0x390 [ 50.886532][ T8426] ? trace_kfree+0x2e/0xd0 [ 50.891029][ T8426] ? slab_free_freelist_hook+0x1d8/0x290 [ 50.896674][ T8426] __v9fs_get_acl+0x40/0x110 [ 50.901358][ T8426] v9fs_get_acl+0xa5/0x290 [ 50.905777][ T8426] v9fs_mount+0x6ea/0x870 [ 50.910166][ T8426] legacy_get_tree+0xea/0x180 [ 50.914837][ T8426] ? asan.module_dtor+0x20/0x20 [ 50.919757][ T8426] vfs_get_tree+0x86/0x270 [ 50.925567][ T8426] path_mount+0x196f/0x2be0 [ 50.930133][ T8426] ? __check_object_size+0x2f3/0x3f0 [ 50.935422][ T8426] ? mark_mounts_for_expiry+0x520/0x520 [ 50.941066][ T8426] ? getname_flags+0x1fe/0x640 [ 50.945921][ T8426] __se_sys_mount+0x2f9/0x3b0 [ 50.950654][ T8426] ? vtime_user_exit+0x2b2/0x3e0 [ 50.955712][ T8426] ? __x64_sys_mount+0xc0/0xc0 [ 50.960551][ T8426] ? syscall_enter_from_user_mode+0x2e/0x1b0 [ 50.966529][ T8426] ? lockdep_hardirqs_on+0x8d/0x130 [ 50.971971][ T8426] ? __x64_sys_mount+0x1c/0xc0 [ 50.976763][ T8426] do_syscall_64+0x3d/0xb0 [ 50.982335][ T8426] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 50.989045][ T8426] RIP: 0033:0x43f2e9 [ 50.992949][ T8426] Code: 28 c3 e8 2a 14 00 00 66 2e 0f 1f 84 00 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 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 51.014324][ T8426] RSP: 002b:00007ffcc30ccf58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 51.024108][ T8426] RAX: ffffffffffffffda RBX: 0000000000400488 RCX: 000000000043f2e9 [ 51.032909][ T8426] RDX: 0000000020000200 RSI: 0000000020000000 RDI: 0000000000000000 [ 51.041688][ T8426] RBP: 0000000000403040 R08: 0000000020004440 R09: 0000000000400488 [ 51.050699][ T8426] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000004030d0 [ 51.059449][ T8426] R13: 0000000000000000 R14: 00000000004ad018 R15: 0000000000400488 [ 51.067446][ T8426] Kernel panic - not syncing: panic_on_warn set ... [ 51.074540][ T8426] CPU: 1 PID: 8426 Comm: syz-executor477 Not tainted 5.14.0-rc5-syzkaller #0 [ 51.083330][ T8426] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 51.093383][ T8426] Call Trace: [ 51.096683][ T8426] dump_stack_lvl+0x1ae/0x29f [ 51.101357][ T8426] ? show_regs_print_info+0x12/0x12 [ 51.106567][ T8426] ? log_buf_vmcoreinfo_setup+0x498/0x498 [ 51.112288][ T8426] panic+0x2e1/0x850 [ 51.116178][ T8426] ? __kernel_text_address+0x93/0x100 [ 51.121711][ T8426] ? __warn+0x13e/0x270 [ 51.125909][ T8426] ? nmi_panic+0x90/0x90 [ 51.130289][ T8426] __warn+0x26a/0x270 [ 51.134269][ T8426] ? __alloc_pages+0x588/0x5f0 [ 51.139168][ T8426] ? __alloc_pages+0x588/0x5f0 [ 51.144105][ T8426] report_bug+0x1b1/0x2e0 [ 51.148441][ T8426] handle_bug+0x3d/0x70 [ 51.152600][ T8426] exc_invalid_op+0x16/0x40 [ 51.157084][ T8426] asm_exc_invalid_op+0x12/0x20 [ 51.161931][ T8426] RIP: 0010:__alloc_pages+0x588/0x5f0 [ 51.167357][ T8426] Code: 00 48 ba 00 00 00 00 00 fc ff df e9 5e fd ff ff 89 f9 80 e1 07 80 c1 03 38 c1 0f 8c 6d fd ff ff e8 bd 62 0a 00 e9 63 fd ff ff <0f> 0b 45 31 e4 e9 7a fd ff ff 48 8d 4c 24 50 80 e1 07 80 c1 03 38 [ 51.187164][ T8426] RSP: 0018:ffffc90000fff9a0 EFLAGS: 00010246 [ 51.193236][ T8426] RAX: dffffc0000000000 RBX: 0000000000000014 RCX: 0000000000000000 [ 51.201211][ T8426] RDX: 0000000000000028 RSI: 0000000000000000 RDI: ffffc90000fffa28 [ 51.209168][ T8426] RBP: ffffc90000fffaa8 R08: dffffc0000000000 R09: ffffc90000fffa00 [ 51.217119][ T8426] R10: fffff520001fff45 R11: 0000000000000000 R12: 0000000000040d40 [ 51.225073][ T8426] R13: ffffc90000fffa00 R14: 1ffff920001fff3c R15: 1ffff920001fff38 [ 51.233232][ T8426] ? p9_client_clunk+0x252/0x380 [ 51.238165][ T8426] ? __rmqueue_pcplist+0x2030/0x2030 [ 51.243491][ T8426] ? alloc_pages+0x3f3/0x500 [ 51.248164][ T8426] kmalloc_order+0x41/0x170 [ 51.252667][ T8426] ? rcu_read_lock_sched_held+0x87/0x110 [ 51.258290][ T8426] kmalloc_order_trace+0x15/0x70 [ 51.263227][ T8426] __kmalloc+0x292/0x390 [ 51.267620][ T8426] ? trace_kfree+0x2e/0xd0 [ 51.272213][ T8426] ? slab_free_freelist_hook+0x1d8/0x290 [ 51.277849][ T8426] __v9fs_get_acl+0x40/0x110 [ 51.282624][ T8426] v9fs_get_acl+0xa5/0x290 [ 51.287027][ T8426] v9fs_mount+0x6ea/0x870 [ 51.291415][ T8426] legacy_get_tree+0xea/0x180 [ 51.296203][ T8426] ? asan.module_dtor+0x20/0x20 [ 51.301160][ T8426] vfs_get_tree+0x86/0x270 [ 51.305575][ T8426] path_mount+0x196f/0x2be0 [ 51.310066][ T8426] ? __check_object_size+0x2f3/0x3f0 [ 51.315348][ T8426] ? mark_mounts_for_expiry+0x520/0x520 [ 51.320972][ T8426] ? getname_flags+0x1fe/0x640 [ 51.325738][ T8426] __se_sys_mount+0x2f9/0x3b0 [ 51.330498][ T8426] ? vtime_user_exit+0x2b2/0x3e0 [ 51.335419][ T8426] ? __x64_sys_mount+0xc0/0xc0 [ 51.340179][ T8426] ? syscall_enter_from_user_mode+0x2e/0x1b0 [ 51.346153][ T8426] ? lockdep_hardirqs_on+0x8d/0x130 [ 51.351345][ T8426] ? __x64_sys_mount+0x1c/0xc0 [ 51.356266][ T8426] do_syscall_64+0x3d/0xb0 [ 51.360762][ T8426] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 51.366650][ T8426] RIP: 0033:0x43f2e9 [ 51.370534][ T8426] Code: 28 c3 e8 2a 14 00 00 66 2e 0f 1f 84 00 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 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 51.390211][ T8426] RSP: 002b:00007ffcc30ccf58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 51.398617][ T8426] RAX: ffffffffffffffda RBX: 0000000000400488 RCX: 000000000043f2e9 [ 51.406592][ T8426] RDX: 0000000020000200 RSI: 0000000020000000 RDI: 0000000000000000 [ 51.414559][ T8426] RBP: 0000000000403040 R08: 0000000020004440 R09: 0000000000400488 [ 51.422518][ T8426] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000004030d0 [ 51.430499][ T8426] R13: 0000000000000000 R14: 00000000004ad018 R15: 0000000000400488 [ 51.440291][ T8426] Kernel Offset: disabled [ 51.444695][ T8426] Rebooting in 86400 seconds..