Warning: Permanently added '10.128.1.61' (ECDSA) to the list of known hosts. 2023/03/27 06:41:35 fuzzer started syzkaller login: [ 30.136556][ T2456] ------------[ cut here ]------------ [ 30.137435][ T2456] WARNING: CPU: 1 PID: 2456 at include/linux/cpumask.h:143 c_start+0x1da/0x250 [ 30.138837][ T2456] Modules linked in: [ 30.139427][ T2456] CPU: 1 PID: 2456 Comm: syz-fuzzer Not tainted 6.3.0-rc1-syzkaller-00083-g2b947f8769be #0 [ 30.140879][ T2456] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023 [ 30.142249][ T2456] RIP: 0010:c_start+0x1da/0x250 [ 30.142957][ T2456] Code: 58 55 87 e8 18 09 3e 00 4c 89 e0 5b 5d 41 5c 41 5d 41 5e c3 f3 48 0f bc db e8 02 09 3e 00 89 db e9 38 ff ff ff e8 f6 08 3e 00 <0f> 0b e9 c1 fe ff ff 48 c7 c7 c0 bc e1 88 e8 b3 9e 72 00 e9 67 ff [ 30.145609][ T2456] RSP: 0018:ffffc900005a7c68 EFLAGS: 00010293 [ 30.146485][ T2456] RAX: 0000000000000000 RBX: 0000000000000007 RCX: 0000000000000000 [ 30.147588][ T2456] RDX: ffff888114d0b800 RSI: ffffffff810cf5aa RDI: 0000000000000004 [ 30.148737][ T2456] RBP: ffffffff88e1bcc0 R08: 0000000000000004 R09: 0000000000000007 [ 30.150080][ T2456] R10: 0000000000000002 R11: 0000000000000000 R12: ffff88810fcffa90 [ 30.151164][ T2456] R13: 0000000000000008 R14: 0000000000000002 R15: 0000000000000000 [ 30.152262][ T2456] FS: 000000c0001d1c90(0000) GS:ffff8881f6900000(0000) knlGS:0000000000000000 [ 30.153468][ T2456] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 30.154400][ T2456] CR2: 00007fb25a400658 CR3: 000000011154a000 CR4: 00000000003506e0 [ 30.155533][ T2456] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 30.156654][ T2456] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 30.157731][ T2456] Call Trace: [ 30.161051][ T2456] [ 30.163979][ T2456] seq_read_iter+0x2ca/0x12d0 [ 30.168714][ T2456] proc_reg_read_iter+0x115/0x2d0 [ 30.173757][ T2456] vfs_read+0x681/0x930 [ 30.177924][ T2456] ? kernel_read+0x1c0/0x1c0 [ 30.182586][ T2456] ? __fget_files+0x26a/0x480 [ 30.187309][ T2456] ksys_read+0x12b/0x250 [ 30.191640][ T2456] ? vfs_write+0xe10/0xe10 [ 30.196090][ T2456] ? syscall_enter_from_user_mode+0x26/0xb0 [ 30.202052][ T2456] do_syscall_64+0x39/0xb0 [ 30.206492][ T2456] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 30.212453][ T2456] RIP: 0033:0x403ace [ 30.216383][ T2456] Code: 48 89 6c 24 38 48 8d 6c 24 38 e8 0d 00 00 00 48 8b 6c 24 38 48 83 c4 40 c3 cc cc cc 49 89 f2 48 89 fa 48 89 ce 48 89 df 0f 05 <48> 3d 01 f0 ff ff 76 15 48 f7 d8 48 89 c1 48 c7 c0 ff ff ff ff 48 [ 30.236056][ T2456] RSP: 002b:000000c0004e5308 EFLAGS: 00000202 ORIG_RAX: 0000000000000000 [ 30.244525][ T2456] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000403ace [ 30.252565][ T2456] RDX: 0000000000001000 RSI: 000000c00041c000 RDI: 0000000000000003 [ 30.260614][ T2456] RBP: 000000c0004e5348 R08: 0000000000000000 R09: 0000000000000000 [ 30.268637][ T2456] R10: 0000000000000000 R11: 0000000000000202 R12: 000000c0004e5488 [ 30.276636][ T2456] R13: 0000000000000000 R14: 000000c0000061a0 R15: 0000000000000001 [ 30.284662][ T2456] [ 30.287693][ T2456] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 30.294962][ T2456] CPU: 1 PID: 2456 Comm: syz-fuzzer Not tainted 6.3.0-rc1-syzkaller-00083-g2b947f8769be #0 [ 30.304928][ T2456] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023 [ 30.314987][ T2456] Call Trace: [ 30.318263][ T2456] [ 30.321188][ T2456] dump_stack_lvl+0xd9/0x150 [ 30.325781][ T2456] panic+0x688/0x730 [ 30.329671][ T2456] ? panic_smp_self_stop+0x90/0x90 [ 30.334776][ T2456] ? show_trace_log_lvl+0x285/0x390 [ 30.339974][ T2456] ? c_start+0x1da/0x250 [ 30.344214][ T2456] check_panic_on_warn+0xb1/0xc0 [ 30.349156][ T2456] __warn+0xf2/0x4f0 [ 30.353089][ T2456] ? c_start+0x1da/0x250 [ 30.357342][ T2456] report_bug+0x2da/0x500 [ 30.361671][ T2456] handle_bug+0x3c/0x70 [ 30.365822][ T2456] exc_invalid_op+0x18/0x50 [ 30.370319][ T2456] asm_exc_invalid_op+0x1a/0x20 [ 30.375162][ T2456] RIP: 0010:c_start+0x1da/0x250 [ 30.380015][ T2456] Code: 58 55 87 e8 18 09 3e 00 4c 89 e0 5b 5d 41 5c 41 5d 41 5e c3 f3 48 0f bc db e8 02 09 3e 00 89 db e9 38 ff ff ff e8 f6 08 3e 00 <0f> 0b e9 c1 fe ff ff 48 c7 c7 c0 bc e1 88 e8 b3 9e 72 00 e9 67 ff [ 30.399614][ T2456] RSP: 0018:ffffc900005a7c68 EFLAGS: 00010293 [ 30.405693][ T2456] RAX: 0000000000000000 RBX: 0000000000000007 RCX: 0000000000000000 [ 30.413653][ T2456] RDX: ffff888114d0b800 RSI: ffffffff810cf5aa RDI: 0000000000000004 [ 30.421614][ T2456] RBP: ffffffff88e1bcc0 R08: 0000000000000004 R09: 0000000000000007 [ 30.429575][ T2456] R10: 0000000000000002 R11: 0000000000000000 R12: ffff88810fcffa90 [ 30.437621][ T2456] R13: 0000000000000008 R14: 0000000000000002 R15: 0000000000000000 [ 30.445586][ T2456] ? c_start+0x1da/0x250 [ 30.449828][ T2456] ? c_start+0x1da/0x250 [ 30.454067][ T2456] seq_read_iter+0x2ca/0x12d0 [ 30.458744][ T2456] proc_reg_read_iter+0x115/0x2d0 [ 30.463772][ T2456] vfs_read+0x681/0x930 [ 30.467917][ T2456] ? kernel_read+0x1c0/0x1c0 [ 30.472506][ T2456] ? __fget_files+0x26a/0x480 [ 30.477173][ T2456] ksys_read+0x12b/0x250 [ 30.481413][ T2456] ? vfs_write+0xe10/0xe10 [ 30.485818][ T2456] ? syscall_enter_from_user_mode+0x26/0xb0 [ 30.491706][ T2456] do_syscall_64+0x39/0xb0 [ 30.496114][ T2456] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 30.502000][ T2456] RIP: 0033:0x403ace [ 30.505883][ T2456] Code: 48 89 6c 24 38 48 8d 6c 24 38 e8 0d 00 00 00 48 8b 6c 24 38 48 83 c4 40 c3 cc cc cc 49 89 f2 48 89 fa 48 89 ce 48 89 df 0f 05 <48> 3d 01 f0 ff ff 76 15 48 f7 d8 48 89 c1 48 c7 c0 ff ff ff ff 48 [ 30.525494][ T2456] RSP: 002b:000000c0004e5308 EFLAGS: 00000202 ORIG_RAX: 0000000000000000 [ 30.533915][ T2456] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000403ace [ 30.541892][ T2456] RDX: 0000000000001000 RSI: 000000c00041c000 RDI: 0000000000000003 [ 30.549852][ T2456] RBP: 000000c0004e5348 R08: 0000000000000000 R09: 0000000000000000 [ 30.557833][ T2456] R10: 0000000000000000 R11: 0000000000000202 R12: 000000c0004e5488 [ 30.565792][ T2456] R13: 0000000000000000 R14: 000000c0000061a0 R15: 0000000000000001 [ 30.573757][ T2456] [ 30.576943][ T2456] Kernel Offset: disabled [ 30.581313][ T2456] Rebooting in 86400 seconds..