[ 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. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.10.32' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 68.307389][ T8502] ------------[ cut here ]------------ [ 68.313001][ T8502] WARNING: CPU: 1 PID: 8502 at mm/page_alloc.c:4976 __alloc_pages_nodemask+0x5f8/0x730 [ 68.323518][ T8502] Modules linked in: [ 68.327654][ T8502] CPU: 1 PID: 8502 Comm: syz-executor096 Not tainted 5.11.0-rc2-syzkaller #0 [ 68.336513][ T8502] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 68.346640][ T8502] RIP: 0010:__alloc_pages_nodemask+0x5f8/0x730 [ 68.352836][ T8502] Code: 00 00 0c 00 0f 85 a7 00 00 00 8b 3c 24 4c 89 f2 44 89 e6 c6 44 24 70 00 48 89 6c 24 58 e8 d0 d7 ff ff 49 89 c5 e9 ea fc ff ff <0f> 0b e9 b5 fd ff ff 89 74 24 14 4c 89 4c 24 08 4c 89 74 24 18 e8 [ 68.372541][ T8502] RSP: 0018:ffffc9000168f790 EFLAGS: 00010246 [ 68.379348][ T8502] RAX: 0000000000000000 RBX: 1ffff920002d1ef6 RCX: 0000000000000000 [ 68.387415][ T8502] RDX: 0000000000000000 RSI: dffffc0000000000 RDI: 0000000000040dc0 [ 68.395407][ T8502] RBP: 0000000000040dc0 R08: 0000000000000000 R09: 0000000000000000 [ 68.403450][ T8502] R10: ffffffff81b1f7e1 R11: 0000000000000000 R12: 0000000000000018 [ 68.411513][ T8502] R13: 0000000000000018 R14: 0000000000000000 R15: 0000000ffffff1f0 [ 68.419568][ T8502] FS: 0000000000e02880(0000) GS:ffff8880b9f00000(0000) knlGS:0000000000000000 [ 68.428615][ T8502] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 68.435208][ T8502] CR2: 00007fa5e3fde6c0 CR3: 0000000024487000 CR4: 00000000001506e0 [ 68.443236][ T8502] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 68.451310][ T8502] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 68.459349][ T8502] Call Trace: [ 68.462650][ T8502] ? __alloc_pages_slowpath.constprop.0+0x2240/0x2240 [ 68.469500][ T8502] ? find_held_lock+0x2d/0x110 [ 68.474287][ T8502] ? fs_reclaim_release+0x9c/0xe0 [ 68.479382][ T8502] alloc_pages_current+0x18c/0x2a0 [ 68.484514][ T8502] kmalloc_order+0x2e/0xb0 [ 68.489033][ T8502] kmalloc_order_trace+0x14/0x120 [ 68.494095][ T8502] rds_rdma_extra_size+0xb2/0x3b0 [ 68.499187][ T8502] rds_sendmsg+0x20d7/0x3020 [ 68.503803][ T8502] ? rds_send_drop_to+0x13e0/0x13e0 [ 68.509866][ T8502] ? __might_fault+0xd3/0x180 [ 68.514634][ T8502] ? aa_af_perm+0x230/0x230 [ 68.520222][ T8502] ? sock_sendmsg+0x4b/0x120 [ 68.524843][ T8502] ? rds_send_drop_to+0x13e0/0x13e0 [ 68.530413][ T8502] sock_sendmsg+0xcf/0x120 [ 68.534857][ T8502] ____sys_sendmsg+0x6e8/0x810 [ 68.539729][ T8502] ? kernel_sendmsg+0x50/0x50 [ 68.544449][ T8502] ? do_recvmmsg+0x6c0/0x6c0 [ 68.549748][ T8502] ? reacquire_held_locks+0x214/0x4e0 [ 68.555159][ T8502] ___sys_sendmsg+0xf3/0x170 [ 68.559837][ T8502] ? sendmsg_copy_msghdr+0x160/0x160 [ 68.565143][ T8502] ? rwlock_bug.part.0+0x90/0x90 [ 68.570174][ T8502] ? __local_bh_enable_ip+0xa0/0x110 [ 68.575566][ T8502] ? lockdep_hardirqs_on+0x79/0x100 [ 68.580784][ T8502] ? rds_bind+0x4b6/0x880 [ 68.585100][ T8502] ? __local_bh_enable_ip+0xa0/0x110 [ 68.590448][ T8502] ? rds_bind+0x4bb/0x880 [ 68.594804][ T8502] ? aa_af_perm+0x230/0x230 [ 68.599409][ T8502] ? rds_remove_bound+0xd60/0xd60 [ 68.604457][ T8502] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 68.610801][ T8502] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 68.617124][ T8502] ? __fget_light+0x215/0x280 [ 68.621836][ T8502] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 68.628294][ T8502] __sys_sendmsg+0xe5/0x1b0 [ 68.632822][ T8502] ? __sys_sendmsg_sock+0xb0/0xb0 [ 68.637925][ T8502] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 68.644220][ T8502] ? syscall_enter_from_user_mode+0x1d/0x50 [ 68.650204][ T8502] do_syscall_64+0x2d/0x70 [ 68.654635][ T8502] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 68.660618][ T8502] RIP: 0033:0x440359 [ 68.664525][ T8502] 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 [ 68.684234][ T8502] RSP: 002b:00007ffdac75a848 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 68.692868][ T8502] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 0000000000440359 [ 68.700953][ T8502] RDX: 0000000000000000 RSI: 0000000020001600 RDI: 0000000000000003 [ 68.709030][ T8502] RBP: 00000000006ca018 R08: 00000000004002c8 R09: 00000000004002c8 [ 68.717154][ T8502] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000401b60 [ 68.725155][ T8502] R13: 0000000000401bf0 R14: 0000000000000000 R15: 0000000000000000 [ 68.733275][ T8502] Kernel panic - not syncing: panic_on_warn set ... [ 68.739863][ T8502] CPU: 0 PID: 8502 Comm: syz-executor096 Not tainted 5.11.0-rc2-syzkaller #0 [ 68.748617][ T8502] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 68.758670][ T8502] Call Trace: [ 68.761950][ T8502] dump_stack+0x107/0x163 [ 68.766274][ T8502] panic+0x306/0x73d [ 68.770173][ T8502] ? __warn_printk+0xf3/0xf3 [ 68.774753][ T8502] ? __warn.cold+0x1a/0x44 [ 68.779158][ T8502] ? __alloc_pages_nodemask+0x5f8/0x730 [ 68.784695][ T8502] __warn.cold+0x35/0x44 [ 68.788926][ T8502] ? __alloc_pages_nodemask+0x5f8/0x730 [ 68.794461][ T8502] report_bug+0x1bd/0x210 [ 68.798787][ T8502] handle_bug+0x3c/0x60 [ 68.802956][ T8502] exc_invalid_op+0x14/0x40 [ 68.807543][ T8502] asm_exc_invalid_op+0x12/0x20 [ 68.812390][ T8502] RIP: 0010:__alloc_pages_nodemask+0x5f8/0x730 [ 68.818547][ T8502] Code: 00 00 0c 00 0f 85 a7 00 00 00 8b 3c 24 4c 89 f2 44 89 e6 c6 44 24 70 00 48 89 6c 24 58 e8 d0 d7 ff ff 49 89 c5 e9 ea fc ff ff <0f> 0b e9 b5 fd ff ff 89 74 24 14 4c 89 4c 24 08 4c 89 74 24 18 e8 [ 68.838161][ T8502] RSP: 0018:ffffc9000168f790 EFLAGS: 00010246 [ 68.844218][ T8502] RAX: 0000000000000000 RBX: 1ffff920002d1ef6 RCX: 0000000000000000 [ 68.852174][ T8502] RDX: 0000000000000000 RSI: dffffc0000000000 RDI: 0000000000040dc0 [ 68.860130][ T8502] RBP: 0000000000040dc0 R08: 0000000000000000 R09: 0000000000000000 [ 68.868109][ T8502] R10: ffffffff81b1f7e1 R11: 0000000000000000 R12: 0000000000000018 [ 68.876067][ T8502] R13: 0000000000000018 R14: 0000000000000000 R15: 0000000ffffff1f0 [ 68.884029][ T8502] ? policy_node+0xe1/0x140 [ 68.888548][ T8502] ? __alloc_pages_slowpath.constprop.0+0x2240/0x2240 [ 68.895321][ T8502] ? find_held_lock+0x2d/0x110 [ 68.900093][ T8502] ? fs_reclaim_release+0x9c/0xe0 [ 68.905126][ T8502] alloc_pages_current+0x18c/0x2a0 [ 68.910232][ T8502] kmalloc_order+0x2e/0xb0 [ 68.914643][ T8502] kmalloc_order_trace+0x14/0x120 [ 68.919659][ T8502] rds_rdma_extra_size+0xb2/0x3b0 [ 68.924679][ T8502] rds_sendmsg+0x20d7/0x3020 [ 68.929276][ T8502] ? rds_send_drop_to+0x13e0/0x13e0 [ 68.934462][ T8502] ? __might_fault+0xd3/0x180 [ 68.939127][ T8502] ? aa_af_perm+0x230/0x230 [ 68.943623][ T8502] ? sock_sendmsg+0x4b/0x120 [ 68.948199][ T8502] ? rds_send_drop_to+0x13e0/0x13e0 [ 68.953386][ T8502] sock_sendmsg+0xcf/0x120 [ 68.957791][ T8502] ____sys_sendmsg+0x6e8/0x810 [ 68.962592][ T8502] ? kernel_sendmsg+0x50/0x50 [ 68.967264][ T8502] ? do_recvmmsg+0x6c0/0x6c0 [ 68.971859][ T8502] ? reacquire_held_locks+0x214/0x4e0 [ 68.977229][ T8502] ___sys_sendmsg+0xf3/0x170 [ 68.981822][ T8502] ? sendmsg_copy_msghdr+0x160/0x160 [ 68.987094][ T8502] ? rwlock_bug.part.0+0x90/0x90 [ 68.992039][ T8502] ? __local_bh_enable_ip+0xa0/0x110 [ 68.997321][ T8502] ? lockdep_hardirqs_on+0x79/0x100 [ 69.002507][ T8502] ? rds_bind+0x4b6/0x880 [ 69.006835][ T8502] ? __local_bh_enable_ip+0xa0/0x110 [ 69.012103][ T8502] ? rds_bind+0x4bb/0x880 [ 69.016419][ T8502] ? aa_af_perm+0x230/0x230 [ 69.020925][ T8502] ? rds_remove_bound+0xd60/0xd60 [ 69.025939][ T8502] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 69.032182][ T8502] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 69.038409][ T8502] ? __fget_light+0x215/0x280 [ 69.043081][ T8502] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 69.049330][ T8502] __sys_sendmsg+0xe5/0x1b0 [ 69.054010][ T8502] ? __sys_sendmsg_sock+0xb0/0xb0 [ 69.059022][ T8502] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 69.065262][ T8502] ? syscall_enter_from_user_mode+0x1d/0x50 [ 69.071146][ T8502] do_syscall_64+0x2d/0x70 [ 69.075562][ T8502] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 69.081444][ T8502] RIP: 0033:0x440359 [ 69.085335][ T8502] 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 [ 69.104932][ T8502] RSP: 002b:00007ffdac75a848 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 69.113343][ T8502] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 0000000000440359 [ 69.121299][ T8502] RDX: 0000000000000000 RSI: 0000000020001600 RDI: 0000000000000003 [ 69.129267][ T8502] RBP: 00000000006ca018 R08: 00000000004002c8 R09: 00000000004002c8 [ 69.137221][ T8502] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000401b60 [ 69.145204][ T8502] R13: 0000000000401bf0 R14: 0000000000000000 R15: 0000000000000000 [ 69.153788][ T8502] Kernel Offset: disabled [ 69.158198][ T8502] Rebooting in 86400 seconds..