[ 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 '10.128.0.16' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 78.940385][ T8506] ------------[ cut here ]------------ [ 78.946052][ T8506] WARNING: CPU: 0 PID: 8506 at mm/page_alloc.c:4976 __alloc_pages_nodemask+0x5f8/0x730 [ 78.956349][ T8506] Modules linked in: [ 78.960346][ T8506] CPU: 0 PID: 8506 Comm: syz-executor932 Not tainted 5.11.0-rc2-syzkaller #0 [ 78.969385][ T8506] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 78.979497][ T8506] RIP: 0010:__alloc_pages_nodemask+0x5f8/0x730 [ 78.985834][ T8506] 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 [ 79.009270][ T8506] RSP: 0018:ffffc900015ef790 EFLAGS: 00010246 [ 79.015371][ T8506] RAX: 0000000000000000 RBX: 1ffff920002bdef6 RCX: 0000000000000000 [ 79.023480][ T8506] RDX: 0000000000000000 RSI: dffffc0000000000 RDI: 0000000000040dc0 [ 79.031539][ T8506] RBP: 0000000000040dc0 R08: 0000000000000000 R09: 0000000000000000 [ 79.039719][ T8506] R10: ffffffff81b1f7e1 R11: 0000000000000000 R12: 0000000000000018 [ 79.047806][ T8506] R13: 0000000000000018 R14: 0000000000000000 R15: 0000000ffffff1f0 [ 79.055964][ T8506] FS: 0000000001eda880(0000) GS:ffff8880b9e00000(0000) knlGS:0000000000000000 [ 79.065015][ T8506] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 79.071911][ T8506] CR2: 00007f7be3e4f6c0 CR3: 000000001c20e000 CR4: 00000000001506f0 [ 79.080016][ T8506] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 79.087980][ T8506] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 79.096005][ T8506] Call Trace: [ 79.099537][ T8506] ? __alloc_pages_slowpath.constprop.0+0x2240/0x2240 [ 79.106300][ T8506] ? find_held_lock+0x2d/0x110 [ 79.111149][ T8506] ? fs_reclaim_release+0x9c/0xe0 [ 79.116188][ T8506] alloc_pages_current+0x18c/0x2a0 [ 79.121409][ T8506] kmalloc_order+0x2e/0xb0 [ 79.125838][ T8506] kmalloc_order_trace+0x14/0x120 [ 79.130944][ T8506] rds_rdma_extra_size+0xb2/0x3b0 [ 79.135988][ T8506] rds_sendmsg+0x20d7/0x3020 [ 79.141818][ T8506] ? rds_send_drop_to+0x13e0/0x13e0 [ 79.147052][ T8506] ? __might_fault+0xd3/0x180 [ 79.151826][ T8506] ? aa_af_perm+0x230/0x230 [ 79.156345][ T8506] ? sock_sendmsg+0x4b/0x120 [ 79.161020][ T8506] ? rds_send_drop_to+0x13e0/0x13e0 [ 79.166240][ T8506] sock_sendmsg+0xcf/0x120 [ 79.170708][ T8506] ____sys_sendmsg+0x6e8/0x810 [ 79.175483][ T8506] ? kernel_sendmsg+0x50/0x50 [ 79.180433][ T8506] ? do_recvmmsg+0x6c0/0x6c0 [ 79.185034][ T8506] ? reacquire_held_locks+0x214/0x4e0 [ 79.190487][ T8506] ___sys_sendmsg+0xf3/0x170 [ 79.195090][ T8506] ? sendmsg_copy_msghdr+0x160/0x160 [ 79.200491][ T8506] ? rwlock_bug.part.0+0x90/0x90 [ 79.205446][ T8506] ? __local_bh_enable_ip+0xa0/0x110 [ 79.210787][ T8506] ? lockdep_hardirqs_on+0x79/0x100 [ 79.216011][ T8506] ? rds_bind+0x4b6/0x880 [ 79.220446][ T8506] ? __local_bh_enable_ip+0xa0/0x110 [ 79.226001][ T8506] ? rds_bind+0x4bb/0x880 [ 79.230500][ T8506] ? aa_af_perm+0x230/0x230 [ 79.235020][ T8506] ? rds_remove_bound+0xd60/0xd60 [ 79.240282][ T8506] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 79.246704][ T8506] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 79.253041][ T8506] ? __fget_light+0x215/0x280 [ 79.257750][ T8506] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 79.264984][ T8506] __sys_sendmsg+0xe5/0x1b0 [ 79.270222][ T8506] ? __sys_sendmsg_sock+0xb0/0xb0 [ 79.275262][ T8506] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 79.281648][ T8506] ? syscall_enter_from_user_mode+0x1d/0x50 [ 79.287558][ T8506] do_syscall_64+0x2d/0x70 [ 79.292034][ T8506] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 79.298042][ T8506] RIP: 0033:0x440369 [ 79.302112][ T8506] 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 [ 79.322104][ T8506] RSP: 002b:00007fff6e5b3478 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 79.330596][ T8506] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 0000000000440369 [ 79.338755][ T8506] RDX: 0000000000000000 RSI: 0000000020001600 RDI: 0000000000000003 [ 79.346749][ T8506] RBP: 00000000006ca018 R08: 00000000004002c8 R09: 00000000004002c8 [ 79.354849][ T8506] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000401b70 [ 79.362934][ T8506] R13: 0000000000401c00 R14: 0000000000000000 R15: 0000000000000000 [ 79.370979][ T8506] Kernel panic - not syncing: panic_on_warn set ... [ 79.377580][ T8506] CPU: 0 PID: 8506 Comm: syz-executor932 Not tainted 5.11.0-rc2-syzkaller #0 [ 79.386336][ T8506] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 79.396376][ T8506] Call Trace: [ 79.399743][ T8506] dump_stack+0x107/0x163 [ 79.404082][ T8506] panic+0x306/0x73d [ 79.408056][ T8506] ? __warn_printk+0xf3/0xf3 [ 79.412637][ T8506] ? __warn.cold+0x1a/0x44 [ 79.417053][ T8506] ? __alloc_pages_nodemask+0x5f8/0x730 [ 79.422587][ T8506] __warn.cold+0x35/0x44 [ 79.426815][ T8506] ? __alloc_pages_nodemask+0x5f8/0x730 [ 79.432440][ T8506] report_bug+0x1bd/0x210 [ 79.436762][ T8506] handle_bug+0x3c/0x60 [ 79.440902][ T8506] exc_invalid_op+0x14/0x40 [ 79.445389][ T8506] asm_exc_invalid_op+0x12/0x20 [ 79.450224][ T8506] RIP: 0010:__alloc_pages_nodemask+0x5f8/0x730 [ 79.456364][ T8506] 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 [ 79.475951][ T8506] RSP: 0018:ffffc900015ef790 EFLAGS: 00010246 [ 79.482002][ T8506] RAX: 0000000000000000 RBX: 1ffff920002bdef6 RCX: 0000000000000000 [ 79.489976][ T8506] RDX: 0000000000000000 RSI: dffffc0000000000 RDI: 0000000000040dc0 [ 79.497927][ T8506] RBP: 0000000000040dc0 R08: 0000000000000000 R09: 0000000000000000 [ 79.505878][ T8506] R10: ffffffff81b1f7e1 R11: 0000000000000000 R12: 0000000000000018 [ 79.513844][ T8506] R13: 0000000000000018 R14: 0000000000000000 R15: 0000000ffffff1f0 [ 79.521799][ T8506] ? policy_node+0xe1/0x140 [ 79.526296][ T8506] ? __alloc_pages_slowpath.constprop.0+0x2240/0x2240 [ 79.533046][ T8506] ? find_held_lock+0x2d/0x110 [ 79.537807][ T8506] ? fs_reclaim_release+0x9c/0xe0 [ 79.542820][ T8506] alloc_pages_current+0x18c/0x2a0 [ 79.547925][ T8506] kmalloc_order+0x2e/0xb0 [ 79.552325][ T8506] kmalloc_order_trace+0x14/0x120 [ 79.557347][ T8506] rds_rdma_extra_size+0xb2/0x3b0 [ 79.562360][ T8506] rds_sendmsg+0x20d7/0x3020 [ 79.566953][ T8506] ? rds_send_drop_to+0x13e0/0x13e0 [ 79.572134][ T8506] ? __might_fault+0xd3/0x180 [ 79.576794][ T8506] ? aa_af_perm+0x230/0x230 [ 79.581286][ T8506] ? sock_sendmsg+0x4b/0x120 [ 79.585861][ T8506] ? rds_send_drop_to+0x13e0/0x13e0 [ 79.591039][ T8506] sock_sendmsg+0xcf/0x120 [ 79.595439][ T8506] ____sys_sendmsg+0x6e8/0x810 [ 79.600186][ T8506] ? kernel_sendmsg+0x50/0x50 [ 79.604845][ T8506] ? do_recvmmsg+0x6c0/0x6c0 [ 79.609417][ T8506] ? reacquire_held_locks+0x214/0x4e0 [ 79.615129][ T8506] ___sys_sendmsg+0xf3/0x170 [ 79.619727][ T8506] ? sendmsg_copy_msghdr+0x160/0x160 [ 79.625007][ T8506] ? rwlock_bug.part.0+0x90/0x90 [ 79.629933][ T8506] ? __local_bh_enable_ip+0xa0/0x110 [ 79.635202][ T8506] ? lockdep_hardirqs_on+0x79/0x100 [ 79.640384][ T8506] ? rds_bind+0x4b6/0x880 [ 79.644714][ T8506] ? __local_bh_enable_ip+0xa0/0x110 [ 79.649982][ T8506] ? rds_bind+0x4bb/0x880 [ 79.654296][ T8506] ? aa_af_perm+0x230/0x230 [ 79.661660][ T8506] ? rds_remove_bound+0xd60/0xd60 [ 79.666672][ T8506] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 79.672899][ T8506] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 79.679126][ T8506] ? __fget_light+0x215/0x280 [ 79.683787][ T8506] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 79.690019][ T8506] __sys_sendmsg+0xe5/0x1b0 [ 79.694513][ T8506] ? __sys_sendmsg_sock+0xb0/0xb0 [ 79.699521][ T8506] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 79.705792][ T8506] ? syscall_enter_from_user_mode+0x1d/0x50 [ 79.711685][ T8506] do_syscall_64+0x2d/0x70 [ 79.716101][ T8506] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 79.721978][ T8506] RIP: 0033:0x440369 [ 79.725864][ T8506] 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 [ 79.745463][ T8506] RSP: 002b:00007fff6e5b3478 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 79.753869][ T8506] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 0000000000440369 [ 79.761828][ T8506] RDX: 0000000000000000 RSI: 0000000020001600 RDI: 0000000000000003 [ 79.769781][ T8506] RBP: 00000000006ca018 R08: 00000000004002c8 R09: 00000000004002c8 [ 79.777746][ T8506] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000401b70 [ 79.785707][ T8506] R13: 0000000000401c00 R14: 0000000000000000 R15: 0000000000000000 [ 79.794409][ T8506] Kernel Offset: disabled [ 79.798801][ T8506] Rebooting in 86400 seconds..