Warning: Permanently added '10.128.1.29' (ECDSA) to the list of known hosts. 2023/03/27 06:37:48 fuzzer started syzkaller login: [ 30.712266][ T2448] ------------[ cut here ]------------ [ 30.717879][ T2448] WARNING: CPU: 0 PID: 2448 at include/linux/cpumask.h:143 c_start+0x1da/0x250 [ 30.726911][ T2448] Modules linked in: [ 30.730799][ T2448] CPU: 0 PID: 2448 Comm: syz-fuzzer Not tainted 6.3.0-rc1-syzkaller-00083-g2b947f8769be #0 [ 30.740821][ T2448] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023 [ 30.750916][ T2448] RIP: 0010:c_start+0x1da/0x250 [ 30.755799][ T2448] 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 [ 30.775487][ T2448] RSP: 0018:ffffc90000517c68 EFLAGS: 00010293 [ 30.781601][ T2448] RAX: 0000000000000000 RBX: 0000000000000007 RCX: 0000000000000000 [ 30.789627][ T2448] RDX: ffff888115ab3800 RSI: ffffffff810cf5aa RDI: 0000000000000004 [ 30.797654][ T2448] RBP: ffffffff88e1bcc0 R08: 0000000000000004 R09: 0000000000000007 [ 30.805642][ T2448] R10: 0000000000000002 R11: 0000000000000000 R12: ffff888111687278 [ 30.813669][ T2448] R13: 0000000000000008 R14: 0000000000000002 R15: 0000000000000000 [ 30.821686][ T2448] FS: 0000000001ec6270(0000) GS:ffff8881f6800000(0000) knlGS:0000000000000000 [ 30.830721][ T2448] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 30.837372][ T2448] CR2: 000000c0004fd000 CR3: 000000010ff74000 CR4: 00000000003506f0 [ 30.845354][ T2448] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 30.853387][ T2448] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 30.861443][ T2448] Call Trace: [ 30.864719][ T2448] [ 30.867690][ T2448] seq_read_iter+0x2ca/0x12d0 [ 30.872411][ T2448] proc_reg_read_iter+0x115/0x2d0 [ 30.877488][ T2448] vfs_read+0x681/0x930 [ 30.881681][ T2448] ? kernel_read+0x1c0/0x1c0 [ 30.886329][ T2448] ? __fget_files+0x26a/0x480 [ 30.891026][ T2448] ksys_read+0x12b/0x250 [ 30.895267][ T2448] ? vfs_write+0xe10/0xe10 [ 30.899753][ T2448] ? syscall_enter_from_user_mode+0x26/0xb0 [ 30.905676][ T2448] do_syscall_64+0x39/0xb0 [ 30.910142][ T2448] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 30.916111][ T2448] RIP: 0033:0x403ace [ 30.919997][ T2448] 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 [ 30.939690][ T2448] RSP: 002b:000000c0004d3308 EFLAGS: 00000202 ORIG_RAX: 0000000000000000 [ 30.948156][ T2448] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000403ace [ 30.956166][ T2448] RDX: 0000000000001000 RSI: 000000c000428000 RDI: 0000000000000003 [ 30.964155][ T2448] RBP: 000000c0004d3348 R08: 0000000000000000 R09: 0000000000000000 [ 30.972185][ T2448] R10: 0000000000000000 R11: 0000000000000202 R12: 000000c0004d3488 [ 30.980210][ T2448] R13: 0000000000000000 R14: 000000c0000061a0 R15: 4000000000000000 [ 30.988229][ T2448] [ 30.991260][ T2448] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 30.998544][ T2448] CPU: 0 PID: 2448 Comm: syz-fuzzer Not tainted 6.3.0-rc1-syzkaller-00083-g2b947f8769be #0 [ 31.008526][ T2448] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023 [ 31.018586][ T2448] Call Trace: [ 31.021862][ T2448] [ 31.024789][ T2448] dump_stack_lvl+0xd9/0x150 [ 31.029391][ T2448] panic+0x688/0x730 [ 31.033279][ T2448] ? panic_smp_self_stop+0x90/0x90 [ 31.038408][ T2448] ? show_trace_log_lvl+0x285/0x390 [ 31.043605][ T2448] ? c_start+0x1da/0x250 [ 31.047848][ T2448] check_panic_on_warn+0xb1/0xc0 [ 31.052779][ T2448] __warn+0xf2/0x4f0 [ 31.056668][ T2448] ? c_start+0x1da/0x250 [ 31.060907][ T2448] report_bug+0x2da/0x500 [ 31.065251][ T2448] handle_bug+0x3c/0x70 [ 31.069489][ T2448] exc_invalid_op+0x18/0x50 [ 31.073984][ T2448] asm_exc_invalid_op+0x1a/0x20 [ 31.078827][ T2448] RIP: 0010:c_start+0x1da/0x250 [ 31.083676][ T2448] 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 [ 31.103378][ T2448] RSP: 0018:ffffc90000517c68 EFLAGS: 00010293 [ 31.109540][ T2448] RAX: 0000000000000000 RBX: 0000000000000007 RCX: 0000000000000000 [ 31.117500][ T2448] RDX: ffff888115ab3800 RSI: ffffffff810cf5aa RDI: 0000000000000004 [ 31.125491][ T2448] RBP: ffffffff88e1bcc0 R08: 0000000000000004 R09: 0000000000000007 [ 31.133453][ T2448] R10: 0000000000000002 R11: 0000000000000000 R12: ffff888111687278 [ 31.141417][ T2448] R13: 0000000000000008 R14: 0000000000000002 R15: 0000000000000000 [ 31.149403][ T2448] ? c_start+0x1da/0x250 [ 31.153662][ T2448] ? c_start+0x1da/0x250 [ 31.157913][ T2448] seq_read_iter+0x2ca/0x12d0 [ 31.162605][ T2448] proc_reg_read_iter+0x115/0x2d0 [ 31.167634][ T2448] vfs_read+0x681/0x930 [ 31.171782][ T2448] ? kernel_read+0x1c0/0x1c0 [ 31.176371][ T2448] ? __fget_files+0x26a/0x480 [ 31.181044][ T2448] ksys_read+0x12b/0x250 [ 31.185295][ T2448] ? vfs_write+0xe10/0xe10 [ 31.189715][ T2448] ? syscall_enter_from_user_mode+0x26/0xb0 [ 31.195613][ T2448] do_syscall_64+0x39/0xb0 [ 31.200031][ T2448] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 31.206035][ T2448] RIP: 0033:0x403ace [ 31.209936][ T2448] 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 [ 31.229555][ T2448] RSP: 002b:000000c0004d3308 EFLAGS: 00000202 ORIG_RAX: 0000000000000000 [ 31.238073][ T2448] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000403ace [ 31.246079][ T2448] RDX: 0000000000001000 RSI: 000000c000428000 RDI: 0000000000000003 [ 31.254064][ T2448] RBP: 000000c0004d3348 R08: 0000000000000000 R09: 0000000000000000 [ 31.262031][ T2448] R10: 0000000000000000 R11: 0000000000000202 R12: 000000c0004d3488 [ 31.270007][ T2448] R13: 0000000000000000 R14: 000000c0000061a0 R15: 4000000000000000 [ 31.278540][ T2448] [ 31.282039][ T2448] Kernel Offset: disabled [ 31.286434][ T2448] Rebooting in 86400 seconds..