Warning: Permanently added '10.128.10.9' (ECDSA) to the list of known hosts. 2023/03/27 06:14:46 fuzzer started syzkaller login: [ 29.299584][ T2450] ------------[ cut here ]------------ [ 29.300514][ T2450] WARNING: CPU: 1 PID: 2450 at include/linux/cpumask.h:143 c_start+0x1da/0x250 [ 29.301840][ T2450] Modules linked in: [ 29.302419][ T2450] CPU: 1 PID: 2450 Comm: syz-fuzzer Not tainted 6.3.0-rc1-syzkaller-00083-g2b947f8769be #0 [ 29.303828][ T2450] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023 [ 29.305169][ T2450] RIP: 0010:c_start+0x1da/0x250 [ 29.305857][ T2450] 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 [ 29.308489][ T2450] RSP: 0018:ffffc90000507c68 EFLAGS: 00010293 [ 29.309329][ T2450] RAX: 0000000000000000 RBX: 0000000000000007 RCX: 0000000000000000 [ 29.310422][ T2450] RDX: ffff888115060000 RSI: ffffffff810cf5aa RDI: 0000000000000004 [ 29.311610][ T2450] RBP: ffffffff88e1bcc0 R08: 0000000000000004 R09: 0000000000000007 [ 29.312683][ T2450] R10: 0000000000000002 R11: 0000000000000000 R12: ffff888108e90a90 [ 29.313767][ T2450] R13: 0000000000000008 R14: 0000000000000002 R15: 0000000000000000 [ 29.314866][ T2450] FS: 0000000001ec6270(0000) GS:ffff8881f6900000(0000) knlGS:0000000000000000 [ 29.316111][ T2450] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 29.317129][ T2450] CR2: 0000000000d9de43 CR3: 00000001118e2000 CR4: 00000000003506e0 [ 29.318229][ T2450] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 29.319341][ T2450] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 29.320426][ T2450] Call Trace: [ 29.323726][ T2450] [ 29.326650][ T2450] seq_read_iter+0x2ca/0x12d0 [ 29.331391][ T2450] proc_reg_read_iter+0x115/0x2d0 [ 29.336435][ T2450] vfs_read+0x681/0x930 [ 29.340595][ T2450] ? kernel_read+0x1c0/0x1c0 [ 29.345238][ T2450] ? __mutex_unlock_slowpath+0x157/0x5e0 [ 29.350955][ T2450] ? __fget_files+0x26a/0x480 [ 29.355628][ T2450] ksys_read+0x12b/0x250 [ 29.359889][ T2450] ? vfs_write+0xe10/0xe10 [ 29.364374][ T2450] ? syscall_enter_from_user_mode+0x26/0xb0 [ 29.370304][ T2450] do_syscall_64+0x39/0xb0 [ 29.374798][ T2450] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 29.380724][ T2450] RIP: 0033:0x403ace [ 29.384693][ T2450] 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 [ 29.404403][ T2450] RSP: 002b:000000c000be3308 EFLAGS: 00000202 ORIG_RAX: 0000000000000000 [ 29.412878][ T2450] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000403ace [ 29.420936][ T2450] RDX: 0000000000001000 RSI: 000000c0004a8000 RDI: 0000000000000003 [ 29.428929][ T2450] RBP: 000000c000be3348 R08: 0000000000000000 R09: 0000000000000000 [ 29.436992][ T2450] R10: 0000000000000000 R11: 0000000000000202 R12: 000000c000be3488 [ 29.445055][ T2450] R13: 0000000000000000 R14: 000000c0000061a0 R15: 0000000000000001 [ 29.453085][ T2450] [ 29.456139][ T2450] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 29.463430][ T2450] CPU: 1 PID: 2450 Comm: syz-fuzzer Not tainted 6.3.0-rc1-syzkaller-00083-g2b947f8769be #0 [ 29.473430][ T2450] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023 [ 29.483480][ T2450] Call Trace: [ 29.486837][ T2450] [ 29.489760][ T2450] dump_stack_lvl+0xd9/0x150 [ 29.494351][ T2450] panic+0x688/0x730 [ 29.498250][ T2450] ? panic_smp_self_stop+0x90/0x90 [ 29.503353][ T2450] ? show_trace_log_lvl+0x285/0x390 [ 29.508560][ T2450] ? c_start+0x1da/0x250 [ 29.512803][ T2450] check_panic_on_warn+0xb1/0xc0 [ 29.517734][ T2450] __warn+0xf2/0x4f0 [ 29.521636][ T2450] ? c_start+0x1da/0x250 [ 29.525875][ T2450] report_bug+0x2da/0x500 [ 29.530201][ T2450] handle_bug+0x3c/0x70 [ 29.534347][ T2450] exc_invalid_op+0x18/0x50 [ 29.538845][ T2450] asm_exc_invalid_op+0x1a/0x20 [ 29.543711][ T2450] RIP: 0010:c_start+0x1da/0x250 [ 29.548576][ T2450] 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 [ 29.568182][ T2450] RSP: 0018:ffffc90000507c68 EFLAGS: 00010293 [ 29.574273][ T2450] RAX: 0000000000000000 RBX: 0000000000000007 RCX: 0000000000000000 [ 29.582252][ T2450] RDX: ffff888115060000 RSI: ffffffff810cf5aa RDI: 0000000000000004 [ 29.590349][ T2450] RBP: ffffffff88e1bcc0 R08: 0000000000000004 R09: 0000000000000007 [ 29.598598][ T2450] R10: 0000000000000002 R11: 0000000000000000 R12: ffff888108e90a90 [ 29.606562][ T2450] R13: 0000000000000008 R14: 0000000000000002 R15: 0000000000000000 [ 29.614685][ T2450] ? c_start+0x1da/0x250 [ 29.618962][ T2450] ? c_start+0x1da/0x250 [ 29.623214][ T2450] seq_read_iter+0x2ca/0x12d0 [ 29.628567][ T2450] proc_reg_read_iter+0x115/0x2d0 [ 29.633886][ T2450] vfs_read+0x681/0x930 [ 29.638045][ T2450] ? kernel_read+0x1c0/0x1c0 [ 29.642643][ T2450] ? __mutex_unlock_slowpath+0x157/0x5e0 [ 29.648295][ T2450] ? __fget_files+0x26a/0x480 [ 29.652963][ T2450] ksys_read+0x12b/0x250 [ 29.657198][ T2450] ? vfs_write+0xe10/0xe10 [ 29.661623][ T2450] ? syscall_enter_from_user_mode+0x26/0xb0 [ 29.667556][ T2450] do_syscall_64+0x39/0xb0 [ 29.671996][ T2450] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 29.677887][ T2450] RIP: 0033:0x403ace [ 29.681768][ T2450] 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 [ 29.701381][ T2450] RSP: 002b:000000c000be3308 EFLAGS: 00000202 ORIG_RAX: 0000000000000000 [ 29.709807][ T2450] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000403ace [ 29.717768][ T2450] RDX: 0000000000001000 RSI: 000000c0004a8000 RDI: 0000000000000003 [ 29.725733][ T2450] RBP: 000000c000be3348 R08: 0000000000000000 R09: 0000000000000000 [ 29.733695][ T2450] R10: 0000000000000000 R11: 0000000000000202 R12: 000000c000be3488 [ 29.741917][ T2450] R13: 0000000000000000 R14: 000000c0000061a0 R15: 0000000000000001 [ 29.749882][ T2450] [ 29.752967][ T2450] Kernel Offset: disabled [ 29.757352][ T2450] Rebooting in 86400 seconds..